/* Open Teknoloji — kurumsal site
   Engineering monospace accent + grafit dark / paper light + turuncu accent
*/

:root {
  /* Brand */
  --accent: #EE4B2B;
  --accent-deep: #D93920;
  --accent-soft: rgba(238, 75, 43, 0.12);
  --blue: #1B8FB0;
  --ok: #3DDC84;

  /* Dark theme defaults */
  --bg: #0C0E12;
  --bg-elev: #12151A;
  --bg-elev-2: #181C23;
  --line: #22272F;
  --line-soft: #1A1E25;
  --fg: #E8EAED;
  --fg-dim: #9CA3AF;
  --fg-muted: #6B7280;
  --ring: rgba(238, 75, 43, 0.35);
  --fg-contrast: #fff;          /* metin rengi accent zemin üzerinde */

  /* Type */
  --sans: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  /* Rhythm */
  --maxw: 1320px;
  --pad: clamp(20px, 3vw, 40px);
  --radius: 4px;
  --radius-lg: 8px;
}

/* ---- LIGHT THEMES (5 variants) ---- */

/* 1: Paper — warm ivory + deep navy text + terra accent (default light) */
[data-theme="light"],
[data-theme="paper"] {
  --bg: #F5F2EC;
  --bg-elev: #FAF8F3;
  --bg-elev-2: #FFFFFF;
  --line: #D9D4C8;
  --line-soft: #E6E2D7;
  --fg: #1A1E24;
  --fg-dim: #4B5563;
  --fg-muted: #6B7280;
  --accent: #C6432A;
  --accent-deep: #A8371F;
  --accent-soft: rgba(198, 67, 42, 0.12);
  --ring: rgba(198, 67, 42, 0.35);
}

/* 2: Clinical — cool white + steel blue + crimson accent */
[data-theme="clinical"] {
  --bg: #FFFFFF;
  --bg-elev: #F6F8FB;
  --bg-elev-2: #FFFFFF;
  --line: #E2E8F0;
  --line-soft: #EDF1F7;
  --fg: #0F172A;
  --fg-dim: #475569;
  --fg-muted: #94A3B8;
  --accent: #DC2626;
  --accent-deep: #B91C1C;
  --accent-soft: rgba(220, 38, 38, 0.1);
  --ring: rgba(220, 38, 38, 0.3);
}

/* 3: Sand — sandstone beige + olive accent (softer, editorial) */
[data-theme="sand"] {
  --bg: #EEE7D9;
  --bg-elev: #F4EEE2;
  --bg-elev-2: #FBF7EC;
  --line: #C9BFA8;
  --line-soft: #DED4BD;
  --fg: #2A2620;
  --fg-dim: #5C5243;
  --fg-muted: #857A68;
  --accent: #B84A2C;
  --accent-deep: #973A21;
  --accent-soft: rgba(184, 74, 44, 0.14);
  --ring: rgba(184, 74, 44, 0.32);
}

/* 4: Mint — soft sage/mint + deep teal + orange accent */
[data-theme="mint"] {
  --bg: #E8EFE9;
  --bg-elev: #F0F5F0;
  --bg-elev-2: #F9FBF8;
  --line: #C3D1C5;
  --line-soft: #D5DFD7;
  --fg: #14261A;
  --fg-dim: #3F5748;
  --fg-muted: #6F8476;
  --accent: #D9541A;
  --accent-deep: #B0400F;
  --accent-soft: rgba(217, 84, 26, 0.12);
  --ring: rgba(217, 84, 26, 0.32);
}

/* 5: Slate — cool gray + true black text + electric blue accent */
[data-theme="slate"] {
  --bg: #EEF1F4;
  --bg-elev: #F5F7FA;
  --bg-elev-2: #FFFFFF;
  --line: #CFD5DD;
  --line-soft: #DDE2E8;
  --fg: #0A0D12;
  --fg-dim: #3F4754;
  --fg-muted: #78828F;
  --accent: #1F4ED8;
  --accent-deep: #1739A8;
  --accent-soft: rgba(31, 78, 216, 0.1);
  --ring: rgba(31, 78, 216, 0.3);
}

/* 6: Openx — Open Teknoloji marka paleti (logo renkleri)
   Beyaz/krem zemin · marka kırmızısı (#E63F2E) · petrol mavisi (#1A7088) */
[data-theme="openx"] {
  --bg: #FFFFFF;
  --bg-elev: #F7F5F0;       /* sıcak off-white */
  --bg-elev-2: #FFFFFF;
  --line: #E1DDD2;
  --line-soft: #EBE8DD;
  --fg: #0F1F26;            /* koyu slate-teal */
  --fg-dim: #4A5C66;
  --fg-muted: #8B9AA3;
  --accent: #E63F2E;        /* logo kırmızısı */
  --accent-deep: #C7321F;
  --accent-soft: rgba(230, 63, 46, 0.10);
  --blue: #1A7088;          /* logo petrol mavisi */
  --ring: rgba(230, 63, 46, 0.30);
}

[data-accent="orange"] {
  --accent: #E63F2E;
  --accent-deep: #C7321F;
  --accent-soft: rgba(230, 63, 46, 0.10);
  --ring: rgba(230, 63, 46, 0.30);
}

[data-accent="blue"] {
  --accent: #1A7088;
  --accent-deep: #115060;
  --accent-soft: rgba(26, 112, 136, 0.12);
  --ring: rgba(26, 112, 136, 0.32);
}

[data-accent="green"] {
  --accent: #3DDC84;
  --accent-deep: #22B870;
  --accent-soft: rgba(61, 220, 132, 0.14);
  --ring: rgba(61, 220, 132, 0.35);
  --fg-contrast: #0A0D12;       /* yeşil accent açık olduğu için koyu metin */
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
  overflow-x: hidden;
}

::selection { background: var(--accent); color: var(--fg-contrast); }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* ---------- Layout ---------- */

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.section {
  padding: clamp(56px, 8vw, 120px) 0;
  position: relative;
}

.section + .section { border-top: 1px solid var(--line); }

/* ---------- Type ---------- */

h1, h2, h3, h4 { margin: 0; font-weight: 500; letter-spacing: -0.015em; }

.display {
  font-size: clamp(40px, 5.6vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 500;
}
.display em {
  font-style: normal;
  color: var(--accent);
}

/* ---- Animated accent words (hero title + about quote) ---- */

.display em,
.about-quote em,
.sec-title em {
  position: relative;
  display: inline-block;
  font-style: normal;
  background: linear-gradient(
    90deg,
    var(--accent) 0%,
    var(--accent-deep) 30%,
    var(--accent) 55%,
    var(--accent-deep) 80%,
    var(--accent) 100%
  );
  background-size: 250% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  animation: accent-shimmer 3.5s ease-in-out infinite;
  padding-bottom: 0.06em;
}

/* Lively kelimeler — about quote + solutions başlığı: shimmer + zarif yüzme + nefes */
.about-quote em,
.sec-title em {
  animation:
    accent-shimmer 3.2s ease-in-out infinite,
    quote-float 4.5s ease-in-out infinite,
    quote-breathe 5.5s ease-in-out infinite;
  transform-origin: center center;
  will-change: transform;
}

@keyframes quote-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25%      { transform: translateY(-3px) rotate(-0.4deg); }
  50%      { transform: translateY(0) rotate(0deg); }
  75%      { transform: translateY(-2px) rotate(0.3deg); }
}

@keyframes quote-breathe {
  0%, 100% { letter-spacing: -0.005em; }
  50%      { letter-spacing: 0.012em; }
}

.display em::after,
.about-quote em::after,
.sec-title em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--accent) 15%,
    var(--accent) 85%,
    transparent 100%
  );
  transform: scaleX(0);
  transform-origin: left center;
  opacity: 0;
  transition:
    transform 1.4s cubic-bezier(.22, .7, .2, 1) .4s,
    opacity .6s ease .4s;
  pointer-events: none;
}

.display em.in::after,
.about-quote em.in::after,
.sec-title em.in::after {
  transform: scaleX(1);
  opacity: 0.45;
}

.display em::before,
.about-quote em::before,
.sec-title em::before {
  content: "";
  position: absolute;
  top: -4%;
  left: -2%;
  right: -2%;
  bottom: 4%;
  background: radial-gradient(
    ellipse 60% 80% at 50% 50%,
    var(--accent-soft) 0%,
    transparent 70%
  );
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 1.2s ease .2s, transform 1.2s ease .2s;
  pointer-events: none;
  z-index: -1;
}

.display em.in::before,
.about-quote em.in::before,
.sec-title em.in::before {
  opacity: 1;
  transform: scale(1);
}

@keyframes accent-shimmer {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

/* Respect users who prefer no motion */
@media (prefers-reduced-motion: reduce) {
  .display em,
  .about-quote em,
  .sec-title em {
    animation: none !important;
    background: none;
    -webkit-text-fill-color: var(--accent);
    color: var(--accent);
    letter-spacing: normal !important;
    transform: none !important;
  }
  .display em::after,
  .about-quote em::after,
  .sec-title em::after,
  .display em::before,
  .about-quote em::before,
  .sec-title em::before { display: none; }
}

.h2 {
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  font-weight: 500;
}

.h3 {
  font-size: clamp(20px, 1.8vw, 24px);
  line-height: 1.2;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.mono, .kicker, .tag, .eyebrow {
  font-family: var(--mono);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.eyebrow {
  font-size: 11px;
  text-transform: uppercase;
  color: var(--fg-muted);
  letter-spacing: 0.14em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
}

.kicker {
  font-size: 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.lead {
  font-size: clamp(16px, 1.2vw, 19px);
  line-height: 1.55;
  color: var(--fg-dim);
  max-width: 62ch;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: transform .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent);
  color: var(--fg-contrast);
}
.btn-primary:hover { background: var(--accent-deep); }

.btn:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 3px;
}

/* Nav-içi kompakt CTA — 64px nav yüksekliğine göre küçültülmüş */
.nav-cta { padding: 9px 14px; }

.btn-ghost {
  border-color: var(--line);
  color: var(--fg);
}
.btn-ghost:hover { border-color: var(--fg-dim); }

.btn-link {
  padding: 0;
  color: var(--accent);
  border: 0;
}
.btn-link:hover { gap: 14px; }

.btn .arrow { transition: transform .15s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* ---------- Navigation ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 40px;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.005em;
}
.brand-mark {
  width: 44px; height: 44px;
  display: inline-block;
  flex-shrink: 0;
  object-fit: contain;
}
@media (max-width: 600px) {
  .brand { font-size: 16px; gap: 10px; }
  .brand-mark { width: 36px; height: 36px; }
}

.nav-links {
  display: flex;
  gap: 6px;
  font-size: 14px;
  color: var(--fg);
}
.nav-links a {
  position: relative;
  padding: 8px 14px;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: -0.005em;
  border-radius: 6px;
  transition: color .15s ease, background .15s ease, transform .15s ease;
}
.nav-links a:hover {
  color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-1px);
}
.nav-links a.active {
  color: var(--accent);
  background: var(--accent-soft);
}
.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: -19px;
  left: 14px; right: 14px;
  height: 2.5px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-toggle {
  display: inline-flex;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-elev-2);
}
.lang-toggle button {
  padding: 6px 10px;
  color: var(--fg);
  transition: all .15s ease;
}
.lang-toggle button:hover { background: var(--accent-soft); color: var(--accent); }
.lang-toggle button.active {
  background: var(--accent);
  color: var(--fg-contrast);
}
.lang-toggle button.active:hover { background: var(--accent-deep); color: var(--fg-contrast); }

.phone-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--fg);
  white-space: nowrap;
}
.phone-pill .phone-num { white-space: nowrap; }
.phone-pill .pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.7);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(61, 220, 132, 0); }
  100% { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0); }
}

@media (max-width: 1100px) {
  .nav-links { gap: 20px; }
}
@media (max-width: 960px) {
  .nav-links { display: none; }
  .phone-pill .phone-num { display: none; }
}

/* ---------- Mobile nav (hamburger + drawer) ---------- */

.nav-burger {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  transition: border-color .15s ease;
  flex-shrink: 0;
}
.nav-burger:hover { border-color: var(--fg-dim); }
.nav-burger span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--fg);
  border-radius: 1px;
  transition: transform .25s ease, opacity .2s ease;
}
.nav-burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav-mobile {
  position: fixed;
  inset: 64px 0 0 0;
  background: color-mix(in oklab, var(--bg) 60%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  z-index: 49;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
}
.nav-mobile.open {
  opacity: 1;
  pointer-events: auto;
}
.nav-mobile-inner {
  background: var(--bg-elev);
  border-bottom: 1px solid var(--line);
  padding: 24px var(--pad) 32px;
  transform: translateY(-16px);
  opacity: 0;
  transition: transform .3s cubic-bezier(.3,.8,.3,1) .05s, opacity .25s ease .05s;
  max-height: calc(100vh - 64px);
  overflow-y: auto;
}
.nav-mobile.open .nav-mobile-inner {
  transform: translateY(0);
  opacity: 1;
}
.nav-mobile-links {
  display: flex;
  flex-direction: column;
}
.nav-mobile-links a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  font-size: 18px;
  font-weight: 500;
  color: var(--fg);
  border-bottom: 1px solid var(--line-soft);
  letter-spacing: -0.01em;
  transition: padding-left .2s ease, color .15s ease;
}
.nav-mobile-links a:hover,
.nav-mobile-links a.active { padding-left: 8px; color: var(--accent); }
.nav-mobile-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--line);
  transition: background .15s ease, transform .2s ease;
}
.nav-mobile-links a:hover .nav-mobile-dot,
.nav-mobile-links a.active .nav-mobile-dot {
  background: var(--accent);
  transform: scale(1.6);
}
.nav-mobile-cta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
}
.nav-mobile-cta .btn { justify-content: center; padding: 14px; font-size: 14px; }
.nav-mobile-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
  gap: 16px;
  flex-wrap: wrap;
}
.nav-mobile-mail {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-dim);
}
.nav-mobile-mail:hover { color: var(--accent); }

@media (min-width: 961px) {
  .nav-burger, .nav-mobile { display: none !important; }
}
@media (max-width: 960px) {
  .nav-burger { display: inline-flex; }
  .nav-right { gap: 10px; }
  .phone-pill { display: none; }
  .lang-toggle { display: none; }
}
@media (max-width: 600px) {
  .nav-inner { height: 60px; }
  .nav-mobile { inset: 60px 0 0 0; }
  .nav-cta { display: none; }
  section[id] { scroll-margin-top: 68px; }
}

/* ---------- Grid decorative background ---------- */

.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 80%);
  pointer-events: none;
  opacity: 0.7;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: clamp(60px, 8vw, 110px) 0 clamp(40px, 6vw, 80px);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
  position: relative;
}
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-muted);
  margin-bottom: 28px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}
.hero-meta .dot { width: 4px; height: 4px; background: var(--fg-muted); border-radius: 50%; }
.hero-meta .live {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--ok);
}
.hero-meta .live::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 10px var(--ok);
}

.hero-cta {
  display: flex;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.hero-kpi {
  display: flex;
  gap: 40px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.hero-kpi .kpi { }
.hero-kpi .kpi-num {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.hero-kpi .kpi-num .unit { color: var(--accent); }
.hero-kpi .kpi-lbl {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-muted);
  margin-top: 4px;
}

/* Terminal */
.terminal {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.55;
  box-shadow:
    0 1px 0 color-mix(in oklab, var(--fg) 8%, transparent),
    0 40px 80px -30px rgba(0,0,0,0.5);
  position: relative;
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-elev-2);
}
.terminal-dots {
  display: flex; gap: 6px;
}
.terminal-dots span {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--line);
}
.terminal-title {
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
}
.terminal-tabs {
  margin-left: auto;
  display: flex;
  gap: 0;
  font-size: 11px;
  color: var(--fg-muted);
}
.terminal-tabs span {
  padding: 2px 10px;
  border-left: 1px solid var(--line);
}
.terminal-tabs span.active { color: var(--accent); }

.terminal-body {
  padding: 18px 20px;
  min-height: 360px;
  position: relative;
}

.log-line {
  display: flex;
  gap: 14px;
  padding: 3px 0;
  color: var(--fg-dim);
  opacity: 0;
  animation: logIn .4s ease forwards;
}
.log-line .ts { color: var(--fg-muted); flex-shrink: 0; }
.log-line .lvl {
  flex-shrink: 0;
  font-weight: 500;
  min-width: 48px;
}
.log-line .lvl.ok { color: var(--ok); }
.log-line .lvl.info { color: var(--blue); }
.log-line .lvl.warn { color: #E8A33A; }
.log-line .lvl.ring { color: var(--accent); }
.log-line .msg { color: var(--fg); }
.log-line .msg .hl { color: var(--accent); }
.log-line .msg .dim { color: var(--fg-muted); }

@keyframes logIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.terminal-footer {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  background: var(--bg-elev-2);
  font-size: 11px;
}
.terminal-footer .stat {
  padding: 10px 14px;
  border-left: 1px solid var(--line);
}
.terminal-footer .stat:first-child { border-left: 0; }
.terminal-footer .stat-lbl {
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 10px;
}
.terminal-footer .stat-val {
  color: var(--fg);
  font-weight: 500;
  margin-top: 2px;
}
.terminal-footer .stat-val.ok { color: var(--ok); }

/* Trust strip (partner logos) */

.trust {
  padding: 36px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-elev);
}
.trust-inner {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}
.trust-label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--fg-muted);
  flex-shrink: 0;
  max-width: 180px;
  line-height: 1.4;
}
.trust-logos {
  display: flex;
  align-items: center;
  gap: clamp(24px, 4vw, 56px);
  flex-wrap: wrap;
  flex: 1;
}
.trust-logo {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 15px;
  color: var(--fg-dim);
  letter-spacing: 0.02em;
  opacity: 0.75;
  transition: opacity .2s ease, color .2s ease, transform .15s ease;
  cursor: pointer;
  text-decoration: none;
}
.trust-logo:hover {
  opacity: 1;
  color: var(--accent);
  transform: translateY(-1px);
}
.trust-logo:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 4px;
  border-radius: 2px;
}
.trust-logo sup {
  font-size: 9px;
  color: var(--accent);
  margin-left: 3px;
}

/* Highlight when navigated to a specific vendor via /#/products/<slug> */
.vendor.vendor-flash {
  animation: vendorFlash 1.6s ease-out;
}
@keyframes vendorFlash {
  0%   { background: var(--accent-soft); }
  100% { background: transparent; }
}

/* ---------- Section header ---------- */

.sec-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 60px);
  align-items: end;
  margin-bottom: 56px;
}
@media (max-width: 800px) {
  .sec-head { grid-template-columns: 1fr; }
}
.sec-head .sec-title { max-width: 20ch; }
.sec-head .sec-desc { color: var(--fg-dim); max-width: 56ch; }

.sec-index {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--fg-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.sec-index .line {
  width: 40px; height: 1px; background: var(--line);
}

/* ---------- Solutions grid ---------- */

.sol-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
@media (max-width: 980px) { .sol-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .sol-grid { grid-template-columns: 1fr; } }

.sol-card {
  background: var(--bg);
  padding: 32px 28px 28px;
  position: relative;
  transition: background .2s ease;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.sol-card:hover { background: var(--bg-elev); }

.sol-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.14em;
}
.sol-title {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.15;
}
.sol-desc {
  color: var(--fg-dim);
  font-size: 14px;
  line-height: 1.55;
  flex: 1;
}
.sol-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
.sol-tag {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 4px 8px;
  border: 1px solid var(--line);
  color: var(--fg-muted);
  border-radius: 2px;
}
.sol-card .arrow-icon {
  position: absolute;
  top: 28px;
  right: 24px;
  width: 28px; height: 28px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--fg-muted);
  transition: all .2s ease;
}
.sol-card:hover .arrow-icon {
  background: var(--accent);
  color: var(--fg-contrast);
  border-color: var(--accent);
  transform: rotate(-45deg);
}

/* The visual top-strip of a sol card (ascii/diagram) */
.sol-viz {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-muted);
  line-height: 1.6;
  white-space: pre;
  padding: 14px 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--bg-elev);
  overflow: hidden;
  margin-bottom: 4px;
}
.sol-viz .accent { color: var(--accent); }
.sol-viz .dim { color: var(--fg-muted); opacity: 0.6; }
.sol-viz .fg { color: var(--fg); }

/* ---------- Sectors ---------- */

.sector-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 980px) { .sector-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .sector-grid { grid-template-columns: 1fr; } }

.sector-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  background: var(--bg-elev);
  min-height: 260px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: transform .2s ease, border-color .2s ease;
}
.sector-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}
.sector-card .sector-icon {
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  color: var(--accent);
}
.sector-card .sector-name {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 6px;
}
.sector-card .sector-scale {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.sector-card .sector-need {
  font-size: 13px;
  color: var(--fg-dim);
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}
.sector-card .sector-need strong { color: var(--fg); font-weight: 500; }

/* ---------- Case studies ---------- */

.cases {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
}
.case {
  display: grid;
  grid-template-columns: 80px 1.6fr 1fr auto;
  gap: 32px;
  align-items: center;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left .2s ease;
  cursor: pointer;
}
.case:hover {
  padding-left: 16px;
}
.case:hover .case-arrow { color: var(--accent); }

@media (max-width: 800px) {
  .case { grid-template-columns: 1fr; gap: 12px; padding: 24px 0; }
}

.case-num {
  font-family: var(--mono);
  color: var(--fg-muted);
  font-size: 12px;
  letter-spacing: 0.14em;
}
.case-client {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.015em;
}
.case-client .case-sector {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-top: 4px;
}
.case-result {
  color: var(--fg-dim);
  font-size: 14px;
  line-height: 1.5;
}
.case-result .metric {
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 500;
}
.case-arrow {
  font-size: 20px;
  color: var(--fg-muted);
  transition: color .2s ease;
}

/* Detayli referans listesi CTA satiri */
.case-cta {
  background: linear-gradient(90deg, var(--accent-soft) 0%, transparent 60%);
  border-left: 3px solid var(--accent);
  padding-left: 24px;
  margin-left: -3px;
}
.case-cta .case-num,
.case-cta .case-client { color: var(--fg); }
.case-cta .case-arrow { color: var(--accent); }
.case-cta:hover { padding-left: 32px; }

/* ---------- Timeline / About ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(32px, 5vw, 80px);
}
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; } }

.about-quote {
  font-size: clamp(22px, 2.2vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 400;
  text-wrap: balance;
  padding-right: 20px;
}
.about-quote em {
  font-style: normal;
  color: var(--accent);
}

.timeline {
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--line);
}
.tl-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 14px 0;
  position: relative;
}
.tl-item::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 22px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--line);
}
.tl-item.key::before {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.tl-year {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--fg);
  padding-left: 32px;
}
.tl-event {
  color: var(--fg-dim);
  font-size: 14px;
}
.tl-event strong { color: var(--fg); font-weight: 500; }

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-phone {
  font-family: var(--mono);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--fg);
  line-height: 1;
  margin: 24px 0 16px;
  display: inline-block;
}
.contact-phone:hover { color: var(--accent); }
.contact-sub {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--fg-muted);
}
.contact-info {
  margin-top: 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.contact-info .row { }
.contact-info .lbl {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--fg-muted);
  margin-bottom: 6px;
}
.contact-info .val {
  font-size: 14px;
  color: var(--fg);
  line-height: 1.5;
}
.contact-info .val a:hover { color: var(--accent); }

/* Contact map block */
.contact-map { margin-top: clamp(48px, 7vw, 96px); }
.contact-map-card {
  display: grid;
  grid-template-columns: minmax(280px, 380px) 1fr;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-elev);
  overflow: hidden;
}
@media (max-width: 900px) {
  .contact-map-card { grid-template-columns: 1fr; }
}
.contact-map-info {
  padding: clamp(24px, 3vw, 36px);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
@media (max-width: 900px) {
  .contact-map-info { border-right: 0; border-bottom: 1px solid var(--line); }
}
.contact-map-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--fg-muted);
}
.contact-map-eyebrow .line {
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--accent);
}
.contact-map-title {
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 500;
  line-height: 1.15;
  margin: 0;
}
.contact-map-subtitle {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--fg-dim);
}
.contact-map-rows {
  display: grid;
  gap: 14px;
  margin-top: 4px;
}
.contact-map-row .lbl {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--fg-muted);
  margin-bottom: 4px;
}
.contact-map-row .val {
  font-size: 14px;
  line-height: 1.5;
  color: var(--fg);
}
.contact-map-row .val a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color .15s ease, border-color .15s ease;
}
.contact-map-row .val a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.contact-map-cta {
  align-self: flex-start;
  margin-top: 8px;
}
.contact-map-frame {
  position: relative;
  min-height: 360px;
  background: var(--bg-elev-2);
}
.contact-map-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  filter: grayscale(0.18) contrast(1.02);
}
@media (max-width: 900px) {
  .contact-map-frame { min-height: 320px; }
}
@media (max-width: 560px) {
  .contact-map-frame { min-height: 260px; }
}

.form {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  background: var(--bg-elev);
}
.form-title {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 4px;
}
.form-sub {
  font-size: 13px;
  color: var(--fg-dim);
  margin-bottom: 24px;
}
.field {
  display: block;
  margin-bottom: 16px;
}
.field label {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--fg-muted);
  margin-bottom: 6px;
}
.field input,
.field textarea,
.field select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 12px;
  color: var(--fg);
  font-family: var(--sans);
  font-size: 14px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--ring);
}
.field textarea { min-height: 96px; resize: vertical; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

.form .btn {
  width: 100%;
  justify-content: center;
  padding: 14px;
  font-size: 13px;
}
.form .btn[disabled] {
  opacity: 0.7;
  cursor: wait;
  transform: none;
}

.form-status {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: var(--radius-lg);
  font-size: 13.5px;
  line-height: 1.5;
  border: 1px solid var(--line);
  background: var(--bg);
  animation: formStatusIn .35s cubic-bezier(.3,.8,.3,1);
}
.form-status-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-weight: 600;
  font-size: 13px;
  color: var(--fg-contrast);
}
.form-status-ok {
  border-color: color-mix(in oklab, var(--ok) 55%, transparent);
  background: color-mix(in oklab, var(--ok) 8%, var(--bg));
  color: var(--fg);
}
.form-status-ok .form-status-icon { background: var(--ok); }

.form-status-err {
  border-color: color-mix(in oklab, var(--accent) 55%, transparent);
  background: color-mix(in oklab, var(--accent) 8%, var(--bg));
  color: var(--fg);
}
.form-status-err .form-status-icon { background: var(--accent); }

@keyframes formStatusIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.inline-meta {
  display: flex;
  gap: 20px;
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.inline-meta span::before {
  content: "✓";
  color: var(--ok);
  margin-right: 6px;
}

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--line);
  padding: 56px 0 32px;
  background: var(--bg-elev);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-col h5 {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--fg-muted);
  margin: 0 0 16px;
  font-weight: 500;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.footer-col a {
  font-size: 13px;
  color: var(--fg-dim);
  transition: color .15s ease;
}
.footer-col a:hover { color: var(--fg); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom .status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ok);
}
.footer-bottom .status::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 8px var(--ok);
}

/* ---------- Utility ---------- */

.ascii-divider {
  font-family: var(--mono);
  color: var(--fg-muted);
  font-size: 11px;
  letter-spacing: 0.1em;
  opacity: 0.6;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
}
.ascii-divider::before,
.ascii-divider::after {
  content: "";
  flex: 1;
  border-top: 1px dashed var(--line);
}

.corner-label {
  position: absolute;
  top: 24px;
  right: 24px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fg-muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Scroll reveal helper */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* Section IDs have nav offset */
section[id] { scroll-margin-top: 72px; }

/* ---------- Dial Card (hero) ---------- */

.dial-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 40px 80px -30px rgba(0,0,0,0.4);
}
.dial-card::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 120% 60% at 90% 0%, var(--accent-soft), transparent 60%);
  pointer-events: none;
}
.dial-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  position: relative;
}
.dial-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  padding: 5px 10px;
  border: 1px solid var(--accent);
  border-radius: 20px;
  background: var(--accent-soft);
}
.dial-badge-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-accent 2s infinite;
}
@keyframes pulse-accent {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.dial-head-time {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.1em;
}
.dial-title {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 4px 0 8px;
  position: relative;
}
.dial-sub {
  font-size: 13px;
  color: var(--fg-dim);
  margin-bottom: 24px;
  max-width: 36ch;
  position: relative;
}

.dial-lines {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}
.dial-line {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  text-align: left;
  cursor: pointer;
  transition: border-color .2s ease, transform .12s ease, background .2s ease;
  position: relative;
  overflow: hidden;
  width: 100%;
}
.dial-line:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}
.dial-line:hover .dial-line-cta {
  background: var(--accent);
  color: var(--fg-contrast);
  border-color: var(--accent);
}
.dial-line.ringing {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.dial-line.ringing .dial-line-wave span {
  animation-play-state: running;
}
.dial-line-left { min-width: 0; }
.dial-line-lbl {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--fg-muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.dial-line-num {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--fg);
  line-height: 1.1;
}
.dial-line-hint {
  font-size: 12px;
  color: var(--fg-dim);
  margin-top: 4px;
}
.dial-line-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 6px;
  border: 1px solid var(--line);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  transition: all .2s ease;
  flex-shrink: 0;
}
.dial-line-wave {
  position: absolute;
  right: 18px;
  bottom: 8px;
  display: flex;
  gap: 3px;
  height: 10px;
  align-items: flex-end;
  opacity: 0.5;
}
.dial-line-wave span {
  display: block;
  width: 2px;
  height: 4px;
  background: var(--accent);
  border-radius: 1px;
  animation: wave 1s ease-in-out infinite;
  animation-play-state: paused;
}
.dial-line-wave span:nth-child(2) { animation-delay: .1s; }
.dial-line-wave span:nth-child(3) { animation-delay: .2s; }
.dial-line-wave span:nth-child(4) { animation-delay: .3s; }
.dial-line-wave span:nth-child(5) { animation-delay: .4s; }
@keyframes wave {
  0%,100% { height: 3px; }
  50% { height: 10px; }
}

/* ---------- Network card (new hero visual) ---------- */

.netcard {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 40px 80px -30px rgba(0,0,0,0.4);
}
.netcard::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 100% 60% at 50% 40%, var(--accent-soft), transparent 70%);
  pointer-events: none;
}
.netcard-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  margin-bottom: 14px;
}
.netcard-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  padding: 5px 10px;
  border: 1px solid var(--accent);
  border-radius: 20px;
  background: var(--accent-soft);
}
.netcard-badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  animation: pulse-accent 1.6s infinite;
}
.netcard-time {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.1em;
}
.netcard-map {
  position: relative;
  height: 360px;
  background:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 28px 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background-color: var(--bg);
}
.netcard-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.net-edge {
  stroke: var(--line);
  stroke-width: 0.3;
  transition: stroke 0.4s ease;
}
.net-edge.live {
  stroke: var(--accent);
  stroke-width: 0.4;
}
.net-node circle { fill: var(--fg); }
.net-node.net-hq circle { fill: var(--accent); }
.net-node.net-hub circle { fill: var(--accent); }
.net-node.net-sub circle { fill: var(--fg-muted); }
.net-ring {
  fill: none;
  stroke: var(--accent);
  stroke-width: 0.3;
  opacity: 0.6;
  transform-origin: center;
  animation: ringPulse 2.4s ease-out infinite;
}
.net-ring-hub {
  animation-duration: 2.8s;
  animation-delay: 0.6s;
  opacity: 0.4;
}
@keyframes ringPulse {
  0% { r: 3; opacity: 0.8; }
  100% { r: 10; opacity: 0; }
}
.net-label {
  position: absolute;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
  padding: 2px 6px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 3px;
  white-space: nowrap;
  pointer-events: none;
}
.net-label-hq {
  color: var(--accent);
  border-color: var(--accent);
  font-weight: 500;
}
.net-label-hub {
  color: var(--accent);
  border-color: var(--accent);
  opacity: 0.85;
}
.net-label-sub {
  font-size: 9px;
  color: var(--fg-muted);
  opacity: 0.75;
}
.netcard-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 16px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.nc-stat {
  background: var(--bg-elev);
  padding: 14px 16px;
}
.nc-stat-num {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--fg);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.nc-stat-lbl {
  font-size: 11px;
  color: var(--fg-muted);
  margin-top: 2px;
}
.netcard-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 12px;
  color: var(--fg-dim);
}
.nc-ok { color: #22B870; }

.dial-foot {
  display: flex;
  gap: 20px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
  position: relative;
  flex-wrap: wrap;
}
.dial-foot-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--fg-dim);
}
.dial-foot-item svg { color: var(--accent); flex-shrink: 0; }

/* ---------- Products ---------- */

.prod-tabs {
  display: inline-flex;
  gap: 6px;
  padding: 5px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.prod-tab {
  padding: 11px 20px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--fg);
  background: var(--bg-elev-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  transition: all .15s ease;
  cursor: pointer;
}
.prod-tab:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-1px);
}
.prod-tab.active {
  background: var(--accent);
  color: var(--fg-contrast);
  border-color: var(--accent);
  box-shadow: 0 6px 16px -6px var(--ring);
  transform: translateY(0);
}
.prod-tab.active:hover {
  background: var(--accent-deep);
  color: var(--fg-contrast);
  border-color: var(--accent-deep);
}

.own-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .own-grid { grid-template-columns: 1fr; } }

.own-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-elev);
  padding: 28px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform .2s ease;
}
.own-card:hover { transform: translateY(-4px); }
.own-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--card-accent, var(--accent));
}
.own-code {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.14em;
}
.own-name {
  font-size: 30px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1;
}
.own-name span { color: var(--card-accent, var(--accent)); }
.own-tag {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-dim);
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 20px;
  align-self: flex-start;
}
.own-desc {
  font-size: 14px;
  color: var(--fg-dim);
  line-height: 1.55;
}
.own-feats {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}
.own-feats li {
  font-size: 13px;
  color: var(--fg);
  display: flex;
  align-items: center;
  gap: 10px;
}
.own-feats li::before {
  content: "";
  width: 5px; height: 5px;
  background: var(--card-accent, var(--accent));
  border-radius: 50%;
  flex-shrink: 0;
}

/* Hardware vendor blocks */
.vendor {
  border-top: 1px solid var(--line);
  padding: 32px 0;
}
.vendor:last-child { border-bottom: 1px solid var(--line); }
.vendor-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.vendor-name {
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.vendor-tag {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.vendor-partner {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 10px;
  padding: 4px 10px;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 20px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
@media (max-width: 980px) { .model-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .model-grid { grid-template-columns: 1fr; } }

.model-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-elev);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color .2s ease, transform .2s ease;
  cursor: default;
}
.model-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.model-viz {
  aspect-ratio: 4 / 3;
  background: var(--bg-elev-2);
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 10px;
  padding: 12px;
  transition: background .2s ease;
}
.model-viz img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  mix-blend-mode: multiply;
  transition: transform .3s ease;
}
.model-card:hover .model-viz img {
  transform: scale(1.04);
}
.model-viz svg { width: 64px; height: 56px; color: var(--fg-dim); }

.model-fallback {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  width: 100%;
  padding: 8px 6px;
}
.model-fallback-vendor {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.85;
  line-height: 1;
}
.model-fallback svg {
  width: 88px;
  height: 76px;
  color: var(--accent);
  opacity: 0.85;
  flex-shrink: 0;
}
.model-fallback-code {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--fg);
  background: var(--bg-elev);
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--line);
}
.model-tier {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--accent);
  text-transform: uppercase;
}
.model-code {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--fg);
  letter-spacing: -0.005em;
}
.model-feats {
  font-size: 12px;
  color: var(--fg-dim);
  line-height: 1.45;
}

/* ---------- Model card zoom ---------- */
.model-card-zoomable { cursor: zoom-in; }
.model-card-zoomable:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 3px;
}
.model-zoom-hint {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg);
  color: var(--accent);
  border: 1px solid var(--line);
  opacity: 0;
  transform: scale(.8);
  transition: opacity .18s ease, transform .18s ease;
  pointer-events: none;
  box-shadow: 0 4px 10px -4px rgba(0,0,0,.15);
}
.model-card-zoomable:hover .model-zoom-hint,
.model-card-zoomable:focus-visible .model-zoom-hint {
  opacity: 1;
  transform: scale(1);
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: color-mix(in oklab, var(--bg) 18%, rgba(0,0,0,.78));
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(16px, 4vw, 56px);
  cursor: zoom-out;
  animation: lb-fade .2s ease;
}
@keyframes lb-fade { from { opacity: 0; } to { opacity: 1; } }
.lightbox-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(240px, .9fr);
  gap: clamp(20px, 3vw, 40px);
  background: var(--bg-elev-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  max-width: min(1100px, 100%);
  max-height: 92vh;
  overflow: hidden;
  cursor: default;
  animation: lb-pop .26s cubic-bezier(.2, .8, .2, 1);
}
@keyframes lb-pop {
  from { opacity: 0; transform: translateY(8px) scale(.97); }
  to   { opacity: 1; transform: translateY(0)   scale(1); }
}
.lightbox-img {
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(20px, 4vw, 56px);
  min-height: 360px;
}
.lightbox-img img {
  max-width: 100%;
  max-height: 70vh;
  width: auto;
  height: auto;
  object-fit: contain;
  mix-blend-mode: multiply;
}
.lightbox-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-fallback svg {
  width: 180px;
  height: 160px;
  color: var(--accent);
  opacity: 0.85;
}
.lightbox-meta {
  padding: clamp(20px, 3vw, 40px) clamp(20px, 3vw, 40px) clamp(20px, 3vw, 40px) 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-self: center;
}
.lightbox-vendor {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--fg-muted);
}
.lightbox-code {
  font-family: var(--mono);
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--fg);
  line-height: 1;
}
.lightbox-tier {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 5px 10px;
  background: var(--accent-soft);
  border-radius: 4px;
  align-self: flex-start;
}
.lightbox-desc {
  font-size: 14px;
  line-height: 1.55;
  color: var(--fg-dim);
  max-width: 42ch;
  margin: 6px 0 4px;
}
.lightbox-feats {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.lightbox-feats li {
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--fg);
  padding-left: 16px;
  position: relative;
}
.lightbox-feats li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.lightbox-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--bg-elev-2);
  color: var(--fg);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.lightbox-close:hover {
  background: var(--accent);
  color: var(--fg-contrast);
  border-color: var(--accent);
}
.lightbox-close:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

@media (max-width: 768px) {
  .lightbox-inner {
    grid-template-columns: 1fr;
    max-height: 95vh;
  }
  .lightbox-img { min-height: 240px; }
  .lightbox-img img { max-height: 50vh; }
  .lightbox-meta {
    padding: 20px;
    gap: 10px;
  }
  .lightbox-feats { font-size: 14px; }
}

/* ---------- Services section ---------- */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 40px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--line);
}
@media (max-width: 960px) { .svc-grid { grid-template-columns: 1fr; } }

.svc-card {
  background: var(--bg);
  padding: 32px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  transition: background .2s ease;
}
.svc-card:hover { background: var(--bg-elev); }

.svc-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 4px;
}
.svc-code {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--accent);
  padding: 4px 10px;
  border: 1px solid var(--accent);
  border-radius: 3px;
  background: var(--accent-soft);
  align-self: flex-start;
}
.svc-stat {
  text-align: right;
}
.svc-stat-num {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--fg);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.svc-stat-lbl {
  font-size: 10px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}
.svc-title {
  font-size: 22px;
  font-weight: 500;
  color: var(--fg);
  margin: 6px 0 0;
  letter-spacing: -0.01em;
}
.svc-sub {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
}
.svc-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-dim);
  text-wrap: pretty;
}
.svc-feats {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.svc-feats li {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg);
  letter-spacing: 0.01em;
  padding-left: 16px;
  position: relative;
}
.svc-feats li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ============================================================
   MOBILE POLISH — small-screen refinements
   ============================================================ */

@media (max-width: 900px) {
  .hero { padding: clamp(40px, 7vw, 80px) 0 clamp(32px, 5vw, 56px); }
  .hero-grid { gap: clamp(24px, 4vw, 40px); }
  .hero-kpi {
    gap: 20px 24px;
    flex-wrap: wrap;
    margin-top: 40px;
    padding-top: 24px;
  }
  .hero-kpi .kpi { flex: 1 1 calc(50% - 12px); min-width: 0; }
  .hero-kpi .kpi-num { font-size: 22px; }
  .hero-meta {
    gap: 10px;
    font-size: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
  }
  .hero-cta { gap: 10px; }
  .hero-cta .btn { flex: 1 1 100%; justify-content: center; }
  .hero-cta .btn + .btn { flex: 1 1 100%; }

  .sec-head { margin-bottom: 36px; }
  .sol-card { min-height: 0; padding: 24px 22px; }
  .sol-card .arrow-icon { top: 22px; right: 20px; width: 24px; height: 24px; }

  .trust { padding: 24px 0; }
  .trust-inner { gap: 20px; }
  .trust-label { max-width: 100%; }
  .trust-logos { gap: 20px; }
  .trust-logo { font-size: 13px; }

  .own-card { padding: 24px 22px; }
  .own-name { font-size: 26px; }

  .vendor { padding: 24px 0; }
  .vendor-head { gap: 10px; margin-bottom: 16px; }
  .vendor-name { font-size: 22px; }
  .vendor-partner { margin-left: 0; }

  .svc-card { padding: 24px 22px; }
  .svc-title { font-size: 20px; }

  .sector-card { min-height: 0; padding: 20px; }

  .case { gap: 12px; padding: 22px 0; }
  .case-client { font-size: 18px; }

  .contact-info { grid-template-columns: 1fr; gap: 18px; }

  .form { padding: 22px; }
  .form-title { font-size: 16px; }

  .timeline::before { left: 5px; }
  .tl-item { grid-template-columns: 70px 1fr; gap: 16px; padding: 10px 0; }
  .tl-year { padding-left: 24px; font-size: 12px; }
  .tl-event { font-size: 13px; }

  .netcard-map { height: 280px; }
  .netcard-stats { gap: 1px; }
  .nc-stat { padding: 10px 12px; }
  .nc-stat-num { font-size: 18px; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
}

@media (max-width: 560px) {
  :root { --pad: 18px; }

  .display { font-size: clamp(32px, 9vw, 44px); }
  .h2 { font-size: clamp(24px, 6.4vw, 32px); }
  .lead { font-size: 15px; }

  .hero-kpi { gap: 14px; margin-top: 32px; padding-top: 20px; }
  .hero-kpi .kpi { flex: 1 1 calc(50% - 8px); }
  .hero-kpi .kpi-num { font-size: 20px; }
  .hero-kpi .kpi-lbl { font-size: 10px; }

  .prod-tabs { width: 100%; }
  .prod-tab { flex: 1 1 auto; padding: 9px 10px; font-size: 11px; text-align: center; }

  .sec-index { font-size: 10px; margin-bottom: 12px; }

  .trust-logos { justify-content: flex-start; gap: 16px 20px; }

  .about-quote { font-size: 22px; padding-right: 0; }

  .contact-phone { font-size: clamp(28px, 9vw, 44px); }

  .form-row { grid-template-columns: 1fr; }

  .footer { padding: 40px 0 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; margin-bottom: 28px; }

  .netcard { padding: 16px; }
  .netcard-map { height: 240px; }
  .netcard-stats { grid-template-columns: 1fr; }
  .net-label { font-size: 9px; padding: 1px 4px; }
  .net-label-sub { font-size: 8px; }

  .sol-viz, .terminal-body { font-size: 10px; }

  .tl-item { grid-template-columns: 60px 1fr; gap: 12px; }
  .tl-year { padding-left: 20px; }
}

@media (max-width: 400px) {
  .hero-kpi .kpi { flex: 1 1 100%; }
  .model-viz { aspect-ratio: 5 / 4; }
}

/* ========================================================
   SERVER CARD (hero) — OpenxPBX 2U sunucu render
   ======================================================== */
.server-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, var(--bg-elev-2) 0%, var(--bg-elev) 100%);
  padding: 16px 18px 14px;
  box-shadow: 0 18px 40px -22px rgba(15, 31, 38, 0.22);
  overflow: hidden;
}
.server-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 22%, var(--accent-soft) 0, transparent 42%);
  opacity: .9;
}
.server-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 1.4px;
  color: var(--fg-muted);
  text-transform: uppercase;
  margin-bottom: 4px;
  position: relative;
}
.server-card-head .live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ok);
}
.server-card-head .live::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 var(--ok);
  animation: serverPulse 1.7s ease-out infinite;
}
@keyframes serverPulse {
  0%   { box-shadow: 0 0 0 0 rgba(61, 220, 132, 0.55); }
  100% { box-shadow: 0 0 0 12px rgba(61, 220, 132, 0); }
}
.server-card-img {
  display: block;
  width: 100%;
  height: auto;
  margin: 6px -2px 4px;
  position: relative;
  filter: drop-shadow(0 22px 28px rgba(15, 31, 38, 0.22));
}
.server-card-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding-top: 10px;
  margin-top: 4px;
  border-top: 1px dashed var(--line);
  position: relative;
}
.server-card-meta .smc {
  display: flex;
  flex-direction: column;
}
.server-card-meta .smc-num {
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 600;
  color: var(--fg);
  line-height: 1.1;
}
.server-card-meta .smc-num em {
  font-style: normal;
  color: var(--accent);
}
.server-card-meta .smc-lbl {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-top: 4px;
}
.server-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-dim);
  position: relative;
}
.server-card-foot .tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 100px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.6px;
}

/* ========================================================
   ARCHITECTURE SECTION — populated rack illustration
   ======================================================== */
.arch-grid {
  display: grid;
  grid-template-columns: minmax(260px, 380px) 1fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
  margin-top: 24px;
}
.arch-rack {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-elev-2);
  padding: 18px 18px 14px;
  box-shadow: 0 18px 38px -22px rgba(15, 31, 38, 0.22);
}
.arch-rack img {
  display: block;
  width: 100%;
  height: auto;
}
.arch-rack-cap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.arch-rack-cap .ok { color: var(--ok); }

.arch-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 28px;
  margin-top: 18px;
}
.arch-item {
  position: relative;
  padding-left: 28px;
}
.arch-item::before {
  content: attr(data-n);
  position: absolute;
  left: 0; top: 1px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 1px;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid var(--accent-soft);
  background: var(--accent-soft);
  padding: 2px 6px;
  border-radius: 3px;
}
.arch-item h4 {
  margin: 0 0 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--fg);
}
.arch-item p {
  margin: 0;
  font-size: 13px;
  color: var(--fg-dim);
  line-height: 1.5;
}

@media (max-width: 900px) {
  .arch-grid { grid-template-columns: 1fr; }
  .arch-rack { max-width: 460px; margin: 0 auto; }
  .arch-list { grid-template-columns: 1fr; }
}


/* ========================================================
   SCROLL TOP — sol-alt floating button (Tweaks FAB sağ-altta)
   ======================================================== */
.scroll-top {
  position: fixed;
  left: 18px;
  bottom: 18px;
  z-index: 60;
  width: 46px; height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent);
  color: var(--fg-contrast);
  border: 0;
  cursor: pointer;
  opacity: 0;
  transform: translateY(16px) scale(.85);
  transition: opacity .22s ease, transform .25s ease, background .15s ease;
  pointer-events: none;
  box-shadow: 0 10px 26px -10px var(--ring), 0 2px 6px rgba(0, 0, 0, .14);
}
.scroll-top.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.scroll-top:hover {
  background: var(--accent-deep);
  transform: translateY(-2px) scale(1);
}
.scroll-top:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
}
@media (max-width: 900px) {
  .scroll-top { left: 12px; bottom: 12px; width: 42px; height: 42px; }
}

/* ========================================================
   HOME TILES — anasayfa içerik haritası link grid
   ======================================================== */
.home-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 24px;
}
.tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 22px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-elev-2);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  min-height: 168px;
}
.tile::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 100% 0%, var(--accent-soft) 0, transparent 50%);
  opacity: 0;
  transition: opacity .2s ease;
  pointer-events: none;
}
.tile:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 16px 32px -18px var(--ring);
}
.tile:hover::before { opacity: 1; }
.tile-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.4px;
  font-weight: 600;
  color: var(--accent);
  position: relative;
}
.tile-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--fg);
  line-height: 1.25;
  position: relative;
}
.tile-desc {
  font-size: 13.5px;
  color: var(--fg-dim);
  line-height: 1.55;
  position: relative;
}
.tile-arrow {
  margin-top: auto;
  align-self: flex-end;
  font-size: 18px;
  color: var(--fg-muted);
  transition: color .15s ease, transform .18s ease;
  position: relative;
}
.tile:hover .tile-arrow {
  color: var(--accent);
  transform: translateX(4px);
}

/* Sub-page top spacing (when section is first child after nav) */
main > section:first-child {
  padding-top: clamp(56px, 8vw, 110px);
}

/* WhatsApp link — marka yeşili + ikon */
.contact-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #25D366;
  font-weight: 600;
  transition: color .15s ease, transform .15s ease;
}
.contact-whatsapp svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.contact-whatsapp:hover {
  color: #128C7E;
  transform: translateX(2px);
}

/* ========================================================
   STANDARDS — Broşürden 8 garanti / standart özellik gridi
   ======================================================== */
.std-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 24px;
}
@media (max-width: 1100px) { .std-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .std-grid { grid-template-columns: 1fr; } }

.std-item {
  position: relative;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-elev-2);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.std-item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -18px var(--ring);
}
.std-icon {
  width: 42px; height: 42px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.std-title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--fg);
  line-height: 1.3;
}
.std-desc {
  margin: 0;
  font-size: 13px;
  color: var(--fg-dim);
  line-height: 1.55;
}
.std-cta {
  display: flex;
  justify-content: center;
  margin-top: 28px;
}
.std-brochure {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

/* ========================================================
   RECOMMENDED BADGE on .own-card (OPX5000)
   ======================================================== */
.own-card.recommended {
  border-color: var(--card-accent, var(--accent));
  box-shadow: 0 18px 40px -22px var(--ring);
}
.own-card.recommended::before {
  height: 5px;
}
.own-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.2px;
  padding: 4px 8px;
  border-radius: 4px;
  background: var(--card-accent, var(--accent));
  color: var(--fg-contrast);
  z-index: 1;
}