/* ===================================================================
   İNŞAATECH — Product Landing (QR Microsite)
   Design tokens
=================================================================== */
:root{
  --navy-deep: #061523;
  --navy: #0a2138;
  --navy-mid: #0d2c48;
  --navy-light: #16395a;
  --navy-line: #1c4266;

  --orange: #f26a21;
  --orange-dim: #c8551a;
  --cyan: #3fd8ff;
  --cyan-dim: #1a8fb0;

  --text: #eef4f9;
  --text-soft: #cdd9e4;
  --muted: #90a6ba;
  --muted-dim: #64798c;
  --border: rgba(160, 195, 226, 0.14);
  --border-strong: rgba(160, 195, 226, 0.26);

  --card: rgba(255, 255, 255, 0.03);
  --card-strong: rgba(255, 255, 255, 0.045);

  --shadow-lg: 0 30px 80px -20px rgba(0, 0, 0, 0.55);
  --shadow-md: 0 16px 40px -14px rgba(0, 0, 0, 0.5);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --container: 1180px;
}

/* ===================================================================
   Reset
=================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--navy);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
section { position: relative; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 900px) {
  .container { padding: 0 40px; }
}

/* Global background texture: soft blueprint grid + vignette */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-color: var(--navy);
  background-image:
    linear-gradient(rgba(63, 216, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(63, 216, 255, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 40%, transparent 100%);
}
.bg-vignette {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 500px at 15% -5%, rgba(63, 216, 255, 0.09), transparent 60%),
    radial-gradient(700px 500px at 100% 10%, rgba(242, 106, 33, 0.06), transparent 55%),
    linear-gradient(180deg, var(--navy-deep) 0%, var(--navy) 12%, var(--navy) 88%, var(--navy-deep) 100%);
}

/* ===================================================================
   Reveal utility
=================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

/* ===================================================================
   Typography helpers
=================================================================== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}
.eyebrow::before {
  content: "";
  width: 20px;
  height: 1px;
  background: var(--cyan);
  opacity: 0.7;
}

.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.15;
  color: var(--text);
  margin-top: 14px;
  letter-spacing: -0.01em;
}
.section-head p {
  margin-top: 16px;
  color: var(--muted);
  font-size: 16.5px;
  max-width: 560px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center::before { margin: 0 auto; }

.section-pad { padding: 108px 0; }
@media (max-width: 640px) {
  .section-pad { padding: 76px 0; }
  .section-head { margin-bottom: 36px; }
}

/* ===================================================================
   Buttons
=================================================================== */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.35s var(--ease), background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; transition: transform 0.3s var(--ease); flex-shrink: 0; }
.btn:hover svg { transform: translateX(4px); }
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--orange);
  color: #14100c;
  box-shadow: 0 12px 28px -10px rgba(242, 106, 33, 0.55);
}
.btn-primary:hover { background: #ff7a30; box-shadow: 0 16px 34px -10px rgba(242, 106, 33, 0.7); }

.btn-ghost {
  background: transparent;
  color: var(--text-soft);
  border-color: var(--border-strong);
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(63, 216, 255, 0.06); }

/* ===================================================================
   Navbar
=================================================================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: padding 0.4s var(--ease), background 0.4s var(--ease), border-color 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.navbar.is-scrolled {
  padding: 13px 0;
  background: rgba(6, 21, 35, 0.72);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border);
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; }

.brand { display: flex; align-items: center; }
.brand img { height: 42px; width: auto; }

.nav-links {
  display: none;
  align-items: center;
  gap: 40px;
}
.nav-links a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-soft);
  position: relative;
  padding: 4px 0;
  transition: color 0.25s ease;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1.5px;
  background: var(--orange);
  transition: width 0.3s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 18px; }
.nav-cta {
  display: none;
  padding: 10px 20px;
  font-size: 14px;
}

.nav-burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: rgba(255,255,255,0.02);
  padding: 0;
  align-items: center;
}
.nav-burger span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.35s var(--ease), opacity 0.25s ease;
}
.nav-burger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-burger.is-open span:nth-child(2) { opacity: 0; }
.nav-burger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (min-width: 860px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-burger { display: none; }
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(6, 15, 26, 0.98);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), visibility 0.35s;
}
.mobile-menu.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
.mobile-menu a { font-size: 22px; font-weight: 500; font-family: var(--font-display); color: var(--text); }
.mobile-menu .btn { margin-top: 12px; }

/* ===================================================================
   Hero
=================================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 120px;
  padding-bottom: 64px;
  overflow: hidden;
}

.hero-blueprint {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
  pointer-events: none;
}
.hero-blueprint svg { width: 100%; height: 100%; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
  align-items: center;
}
@media (min-width: 980px) {
  .hero-grid { grid-template-columns: 45fr 55fr; gap: 24px; }
}

.hero-copy .eyebrow { margin-bottom: 22px; }

.hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(34px, 5.6vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--text);
}
.hero-copy h1 em {
  font-style: normal;
  color: var(--orange);
}

.hero-copy p.lede {
  margin-top: 24px;
  font-size: 17.5px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 480px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 38px;
}

.hero-meta {
  margin-top: 52px;
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 22px 32px;
}
@media (min-width: 560px) {
  .hero-meta { grid-template-columns: repeat(4, auto); }
}
.hero-meta div { display: flex; flex-direction: column; gap: 4px; padding-left: 18px; border-left: 1px solid var(--border-strong); }
.hero-meta div:first-child,
.hero-meta div:nth-child(3) { padding-left: 0; border-left: none; }
@media (min-width: 560px) {
  .hero-meta div:nth-child(3) { padding-left: 18px; border-left: 1px solid var(--border-strong); }
}
.hero-meta span.n {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--text);
  font-weight: 600;
}
.hero-meta span.l {
  font-size: 12.5px;
  color: var(--muted-dim);
  letter-spacing: 0.04em;
}

/* Hero construction-site illustration */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}
.hero-scene {
  position: relative;
  width: 100%;
  max-width: 620px;
  aspect-ratio: 640 / 620;
}
.scene-glow {
  position: absolute;
  inset: -10%;
  background: radial-gradient(ellipse at 55% 45%, rgba(63, 216, 255, 0.1), transparent 65%);
  z-index: 0;
  pointer-events: none;
}
.scene-svg {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  transition: transform 0.5s ease-out;
  will-change: transform;
}

.scene-card {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 14px;
  border-radius: 11px;
  background: rgba(10, 33, 56, 0.72);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  font-size: 12.5px;
  color: var(--text-soft);
  white-space: nowrap;
  animation: sceneFloat 6s ease-in-out infinite;
}
.scene-card--progress {
  top: 6%;
  right: 2%;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  min-width: 172px;
  animation-delay: 0.2s;
}
.scene-card--status {
  top: 48%;
  left: -2%;
  animation-delay: 1.1s;
}
.scene-card--check {
  bottom: 8%;
  left: 20%;
  animation-delay: 0.6s;
}
.scene-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  color: var(--muted);
}
.scene-card-pct {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
}
.scene-progress {
  width: 100%;
  height: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.scene-progress i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}
.scene-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(63, 216, 255, 0.18);
  flex-shrink: 0;
}
.scene-card--check svg {
  width: 15px; height: 15px;
  color: var(--orange);
  flex-shrink: 0;
}

@keyframes sceneFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}

@media (prefers-reduced-motion: reduce) {
  .scene-card { animation: none; }
}

@media (max-width: 640px) {
  .scene-card { font-size: 11.5px; padding: 9px 12px; }
  .scene-card--progress { min-width: 150px; top: 4%; right: 0; }
  .scene-card--status { left: 0; top: 44%; }
  .scene-card--check { left: 8%; bottom: 4%; }
}

.scroll-cue {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--muted-dim);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.scroll-cue .line { width: 1px; height: 28px; background: linear-gradient(var(--cyan), transparent); animation: scrollcue 2.2s ease-in-out infinite; }
@keyframes scrollcue { 0%,100% { transform: scaleY(0.4); opacity: .4; } 50% { transform: scaleY(1); opacity: 1; } }
@media (max-width: 860px) { .scroll-cue { display: none; } }

/* ===================================================================
   Problem / Solution
=================================================================== */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
  align-items: center;
}
@media (min-width: 940px) {
  .problem-grid { grid-template-columns: 0.92fr 1.08fr; gap: 56px; }
}
.problem-copy h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1.2;
  margin-top: 14px;
}
.problem-copy p {
  margin-top: 20px;
  color: var(--muted);
  font-size: 16.5px;
  max-width: 480px;
}

/* Solution statement panel */
.solution-panel {
  position: relative;
  margin-top: 30px;
  max-width: 480px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 22px 24px 22px 26px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(63, 216, 255, 0.055), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border-strong);
  overflow: hidden;
}
.solution-panel::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--orange), rgba(242, 106, 33, 0.25));
}
.solution-panel .icon {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 9px;
  background: rgba(63, 216, 255, 0.1);
  color: var(--cyan);
  display: flex; align-items: center; justify-content: center;
}
.solution-panel .icon svg { width: 18px; height: 18px; }
.solution-panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-soft);
}

/* ===================================================================
   Convergence diagram — sources flowing into central system
=================================================================== */
.convergence-desktop { display: none; }
@media (min-width: 780px) {
  .convergence-desktop { display: block; }
  .convergence-wrap .convergence-mobile { display: none; }
}

.convergence-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 560 / 480;
}
.convergence-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}
.flow-path {
  fill: none;
  stroke: url(#flowGradient);
  stroke-width: 1.4;
  stroke-linecap: round;
  transition: stroke-dashoffset 1.1s var(--ease);
}
.flow-ring {
  fill: none;
  stroke: #3fd8ff;
  transform-origin: 440px 210px;
}
.flow-dot circle { opacity: 0; }
.flow-ring--outer { animation: ringSpin 90s linear infinite; }
.flow-ring--inner { animation: ringSpin 60s linear infinite reverse; }
@keyframes ringSpin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .flow-ring { animation: none; }
}

.source-card {
  position: absolute;
  width: 35%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  background: var(--card);
  border: 1px solid var(--border);
  opacity: 0;
  transform: translateX(-16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease), border-color 0.3s ease;
}
.convergence-stage.is-active .source-card {
  opacity: 1;
  transform: translateX(0);
}
.source-card:nth-child(2) { transition-delay: 0.1s; }
.source-card:nth-child(3) { transition-delay: 0.2s; }
.source-card:nth-child(4) { transition-delay: 0.3s; }
.source-card .icon {
  flex-shrink: 0;
  width: 32px; height: 32px;
  border-radius: 8px;
  background: rgba(160, 195, 226, 0.08);
  color: var(--muted);
  display: flex; align-items: center; justify-content: center;
}
.source-card .icon svg { width: 16px; height: 16px; }
.source-card span { font-size: 13.5px; font-weight: 600; color: var(--text-soft); }

.source-card--1 { left: 0; top: 2%; }
.source-card--2 { left: 0; top: 22%; }
.source-card--3 { left: 0; top: 43%; }
.source-card--4 { left: 0; top: 63%; }

.convergence-hub {
  position: absolute;
  left: 63%;
  top: 20%;
  width: 32%;
  height: 47%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(22, 57, 90, 0.85), rgba(10, 33, 56, 0.9));
  border: 1px solid rgba(63, 216, 255, 0.3);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(6px);
  text-align: center;
  padding: 16px;
  transform: scale(0.96);
  opacity: 0;
  transition: opacity 0.7s var(--ease) 0.4s, transform 0.7s var(--ease) 0.4s, box-shadow 0.6s ease;
}
.convergence-stage.is-active .convergence-hub {
  opacity: 1;
  transform: scale(1);
}
.convergence-stage.is-active.is-arrived .convergence-hub {
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(63, 216, 255, 0.16), 0 0 46px rgba(63, 216, 255, 0.16);
}
.convergence-hub img { height: 20px; width: auto; }
.convergence-hub .label {
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

@media (max-width: 640px) {
  .source-card { padding: 11px 13px; gap: 10px; }
  .source-card span { font-size: 12.5px; }
}

.convergence-mobile {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.convergence-mobile .m-source {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 4px 0 26px;
  position: relative;
}
.convergence-mobile .m-source::before {
  content: "";
  position: absolute;
  left: 17px; top: 40px; bottom: -2px;
  width: 1px;
  background: linear-gradient(var(--border-strong), var(--cyan));
}
.convergence-mobile .m-source:last-of-type::before { display: none; }
.convergence-mobile .icon {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border-radius: 9px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
  display: flex; align-items: center; justify-content: center;
  z-index: 1;
}
.convergence-mobile .icon svg { width: 17px; height: 17px; }
.convergence-mobile .m-source span { font-size: 14px; font-weight: 600; color: var(--text-soft); }

.convergence-mobile .m-hub {
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(22, 57, 90, 0.85), rgba(10, 33, 56, 0.9));
  border: 1px solid rgba(63, 216, 255, 0.3);
}
.convergence-mobile .m-hub img { height: 20px; }
.convergence-mobile .m-hub .label { font-size: 11.5px; color: var(--muted); letter-spacing: 0.06em; }

/* ===================================================================
   System areas — editorial module showcase
=================================================================== */
.modules-section { scroll-margin-top: 96px; }

.modules-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
@media (min-width: 640px) {
  .modules-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1020px) {
  .modules-grid { grid-template-columns: repeat(3, 1fr); }
}

.module {
  position: relative;
  background: var(--navy);
  padding: 40px 34px 34px;
  min-height: 220px;
  overflow: hidden;
  transition: background 0.4s ease, opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.module.reveal-delay-1 { transition-delay: 0s, 0.08s, 0.08s; }
.module.reveal-delay-2 { transition-delay: 0s, 0.16s, 0.16s; }
.module::before {
  content: "";
  position: absolute;
  top: 0; left: 34px;
  width: 30px; height: 2px;
  background: var(--border-strong);
  transition: width 0.4s var(--ease), background 0.4s ease;
}
.module:hover { background: var(--navy-mid); }
.module:hover::before { width: 56px; background: var(--orange); }

.module-num {
  position: absolute;
  top: 14px;
  right: 22px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(46px, 4.4vw, 68px);
  line-height: 1;
  color: var(--cyan);
  opacity: 0.14;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.module:hover .module-num { opacity: 0.22; }

.module-icon {
  position: relative;
  z-index: 1;
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 9px;
  background: rgba(63, 216, 255, 0.08);
  color: var(--cyan);
  margin-bottom: 22px;
  transition: transform 0.4s var(--ease), background 0.4s ease;
}
.module:hover .module-icon {
  background: rgba(63, 216, 255, 0.14);
  transform: translateY(-2px);
}
.module-icon svg { width: 19px; height: 19px; }

.module h3 {
  position: relative;
  z-index: 1;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  max-width: 240px;
}
.module p {
  position: relative;
  z-index: 1;
  font-size: 14px;
  color: var(--muted);
  margin-top: 10px;
  line-height: 1.6;
  max-width: 260px;
}

@media (max-width: 639px) {
  .module { padding: 32px 26px 28px; min-height: 0; }
  .module::before { left: 26px; }
  .module-num { top: 10px; right: 18px; font-size: 42px; }
}

/* ===================================================================
   Process timelines — living workflow visualization
=================================================================== */
#surecler { position: relative; overflow: hidden; }
#surecler::before {
  content: "";
  position: absolute;
  inset: -10% -5%;
  background-image:
    linear-gradient(rgba(63, 216, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(63, 216, 255, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 70% 55% at 50% 40%, black 30%, transparent 78%);
  mask-image: radial-gradient(ellipse 70% 55% at 50% 40%, black 30%, transparent 78%);
  pointer-events: none;
  z-index: 0;
}
#surecler .container { position: relative; z-index: 1; }

.process-flows { display: flex; flex-direction: column; margin-top: 8px; }

.flow-row { position: relative; margin-bottom: 30px; }
.flow-label {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 26px;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}
.flow-label.is-in { opacity: 1; transform: translateY(0); }
.flow-label .tag {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 6px 12px;
  border-radius: 6px;
  text-transform: uppercase;
}
.flow-label.work .tag { background: rgba(63, 216, 255, 0.12); color: var(--cyan); }
.flow-label.material .tag { background: rgba(242, 106, 33, 0.12); color: var(--orange); }
.flow-label h3 { font-size: 16px; font-weight: 600; color: var(--text); }
.flow-label span.desc { font-size: 13.5px; color: var(--muted-dim); }

.timeline-track {
  position: relative;
  overflow: visible;
  padding-bottom: 8px;
}

.timeline-line-bg,
.timeline-line-progress {
  position: absolute;
  top: 22px;
  left: 0;
  height: 2px;
  z-index: 0;
}
.timeline-line-bg { background: var(--border); width: 100%; }
.timeline-line-progress {
  width: 0%;
  transition: width 0.9s var(--ease);
}
.flow-row.work .timeline-line-progress { background: linear-gradient(90deg, var(--cyan), rgba(63,216,255,0.2)); }
.flow-row.material .timeline-line-progress { background: linear-gradient(90deg, var(--orange), rgba(242,106,33,0.2)); }

.timeline-pulse {
  position: absolute;
  top: 22px;
  left: 0;
  width: 7px; height: 7px;
  margin-top: -3.5px;
  border-radius: 50%;
  opacity: 0;
  z-index: 2;
  pointer-events: none;
  transition: left 0.9s linear, opacity 0.3s ease;
}
.flow-row.work .timeline-pulse { background: var(--cyan); box-shadow: 0 0 10px 2px rgba(63, 216, 255, 0.7); }
.flow-row.material .timeline-pulse { background: var(--orange); box-shadow: 0 0 10px 2px rgba(242, 106, 33, 0.7); }
.timeline-pulse.is-running { opacity: 1; }

.timeline-steps {
  position: relative;
  z-index: 1;
  display: flex;
  gap: clamp(8px, 1.6vw, 18px);
}

.timeline-step { flex: 1; min-width: 0; }
.timeline-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--navy);
  border: 2px solid var(--border-strong);
  margin-bottom: 16px;
  transition: border-color 0.4s ease, background 0.4s ease, box-shadow 0.4s ease, transform 0.3s ease;
}
.flow-row.work .timeline-step.is-active .timeline-dot { border-color: var(--cyan); background: var(--cyan); box-shadow: 0 0 12px rgba(63,216,255,0.6); }
.flow-row.material .timeline-step.is-active .timeline-dot { border-color: var(--orange); background: var(--orange); box-shadow: 0 0 12px rgba(242,106,33,0.6); }

.timeline-step-body { opacity: 0.45; transition: opacity 0.5s ease; }
.timeline-step.is-active .timeline-step-body { opacity: 1; }

.timeline-step h4 { font-size: clamp(12px, 1.1vw, 14px); font-weight: 600; color: var(--text); line-height: 1.3; transition: color 0.3s ease; }
.timeline-step p { font-size: clamp(11px, 0.95vw, 12.5px); color: var(--muted-dim); margin-top: 6px; line-height: 1.5; }

.timeline-step::after {
  content: "";
  display: block;
  width: 0;
  height: 1px;
  margin-top: 10px;
  transition: width 0.3s var(--ease);
}
.flow-row.work .timeline-step.is-active:hover::after { width: 60%; background: var(--cyan); }
.flow-row.material .timeline-step.is-active:hover::after { width: 60%; background: var(--orange); }
.timeline-step.is-active:hover .timeline-dot { transform: scale(1.3); }
.flow-row.work .timeline-step.is-active:hover .timeline-dot { box-shadow: 0 0 16px 2px rgba(63,216,255,0.75); }
.flow-row.material .timeline-step.is-active:hover .timeline-dot { box-shadow: 0 0 16px 2px rgba(242,106,33,0.75); }

@media (max-width: 899px) {
  .timeline-track { overflow: visible; }
  .timeline-line-bg, .timeline-line-progress { top: 0; left: 22px; width: 2px; height: 100%; }
  .timeline-line-progress { height: 0%; width: 2px; transition: height 0.9s var(--ease); }
  .timeline-pulse { top: 0; left: 22px; margin-top: 0; margin-left: -3.5px; transition: top 0.9s linear, opacity 0.3s ease; }
  .timeline-steps { flex-direction: column; min-width: 0; gap: 28px; }
  .timeline-step { display: flex; gap: 18px; align-items: flex-start; min-width: 0; flex: none; }
  .timeline-dot { margin-bottom: 0; margin-top: 4px; flex-shrink: 0; }
  .timeline-step-body { display: flex; flex-direction: column; }
  .timeline-step::after { display: none; }
}

/* Tek Veri Kaynağı hub */
.flow-hub {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin: 4px 0 34px;
  opacity: 0;
  transform: translateY(8px) scale(0.98);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.flow-hub.is-in { opacity: 1; transform: translateY(0) scale(1); }
.flow-hub-connector {
  width: 1px;
  height: 20px;
}
.flow-hub-connector--top { background: linear-gradient(var(--border), var(--cyan)); }
.flow-hub-connector--bottom { background: linear-gradient(var(--orange), var(--border)); }
.flow-hub-node {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 22px;
  border-radius: 999px;
  background: var(--card-strong);
  border: 1px solid var(--border-strong);
  box-shadow: 0 0 0 1px rgba(63, 216, 255, 0.05), 0 0 34px rgba(63, 216, 255, 0.08);
}
.flow-hub-icon {
  width: 30px; height: 30px;
  flex-shrink: 0;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(63, 216, 255, 0.16), rgba(242, 106, 33, 0.1));
  color: var(--text);
}
.flow-hub-icon svg { width: 15px; height: 15px; }
.flow-hub-title { font-size: 13.5px; font-weight: 700; color: var(--text); letter-spacing: 0.02em; }
.flow-hub-sub { font-size: 11.5px; color: var(--muted-dim); margin-left: 4px; padding-left: 12px; border-left: 1px solid var(--border-strong); }

@media (max-width: 480px) {
  .flow-hub-node { flex-wrap: wrap; justify-content: center; padding: 14px 20px; text-align: center; }
  .flow-hub-sub { border-left: none; padding-left: 0; margin-left: 0; width: 100%; }
}

.flow-shared {
  margin-top: 12px;
  padding: 26px 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(63,216,255,0.05), rgba(242,106,33,0.03));
  display: flex;
  gap: 18px;
  align-items: flex-start;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.flow-shared.is-in { opacity: 1; transform: translateY(0); }
.flow-shared::before {
  content: "";
  position: absolute;
  top: 0; left: 24px; right: 24px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  opacity: 0.5;
}
.flow-shared-icon {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 9px;
  background: rgba(63, 216, 255, 0.1);
  color: var(--cyan);
  display: flex; align-items: center; justify-content: center;
}
.flow-shared-icon svg { width: 17px; height: 17px; }
.flow-shared-body { display: flex; flex-direction: column; gap: 6px; }
.flow-shared .title { font-family: var(--font-display); font-size: 19px; color: var(--text); font-weight: 600; }
.flow-shared p { font-size: 14.5px; color: var(--muted); max-width: 640px; }

@media (prefers-reduced-motion: reduce) {
  .flow-label, .flow-hub, .flow-shared { transition: none; }
  .timeline-pulse { transition: none; display: none; }
  .timeline-step-body { transition: none; }
}

/* ===================================================================
   Roles — interactive selector
=================================================================== */
.roles-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--card);
}
@media (min-width: 900px) {
  .roles-panel { grid-template-columns: 0.86fr 1.14fr; gap: 0; }
}

.roles-list { display: flex; flex-direction: column; }
.role-item {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  text-align: left;
  padding: 16px 22px;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  transition: background 0.3s ease, color 0.3s ease;
}
.role-item:last-child { border-bottom: none; }
.role-item .idx { font-size: 12px; color: var(--muted-dim); width: 20px; flex-shrink: 0; }
.role-item .name { font-size: 15px; font-weight: 600; }
.role-item:hover { background: rgba(255,255,255,0.02); color: var(--text-soft); }
.role-item.is-active {
  background: rgba(63, 216, 255, 0.07);
  color: var(--text);
  box-shadow: inset 3px 0 0 var(--cyan);
}
.role-item.is-active .idx { color: var(--cyan); }

.role-detail {
  position: relative;
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 260px;
  border-top: 1px solid var(--border);
}
@media (min-width: 900px) {
  .role-detail { border-top: none; border-left: 1px solid var(--border); }
}
.role-detail .icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: rgba(242, 106, 33, 0.1);
  color: var(--orange);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
}
.role-detail .icon svg { width: 26px; height: 26px; }
.role-detail h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
}
.role-detail p { margin-top: 14px; font-size: 15.5px; color: var(--muted); max-width: 460px; line-height: 1.7; }

.role-fade { transition: opacity 0.35s ease, transform 0.35s ease; }
.role-fade.is-switching { opacity: 0; transform: translateY(8px); }

/* ===================================================================
   Trust / control section
=================================================================== */
.trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}
@media (min-width: 860px) {
  .trust-grid { grid-template-columns: 1fr 1fr; gap: 64px; }
}
.trust-col h3 {
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-dim);
  margin-bottom: 24px;
  font-weight: 700;
}
.trust-list { display: flex; flex-direction: column; gap: 4px; }
.trust-item {
  display: flex;
  gap: 18px;
  padding: 20px 4px;
  border-bottom: 1px solid var(--border);
}
.trust-item:last-child { border-bottom: none; }
.trust-item .icon {
  width: 40px; height: 40px;
  flex-shrink: 0;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  color: var(--cyan);
}
.trust-item .icon svg { width: 20px; height: 20px; }
.trust-col.material .trust-item .icon { color: var(--orange); }
.trust-item h4 { font-size: 15.5px; font-weight: 600; color: var(--text); }
.trust-item p { font-size: 14px; color: var(--muted); margin-top: 5px; line-height: 1.55; }

/* ===================================================================
   Kapsam Haritası — scope / entity map
=================================================================== */
.scope-map {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.scope-tag {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
  transition: transform 0.25s var(--ease), border-color 0.25s ease;
}
.scope-tag:hover { transform: translateY(-2px); }
.scope-tag--core {
  background: var(--navy-light);
  border: 1px solid rgba(63, 216, 255, 0.28);
  color: var(--text);
}
.scope-tag--core:hover { border-color: var(--cyan); }
.scope-tag--shared {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--muted);
}
.scope-tag--shared:hover { border-color: var(--orange); color: var(--text-soft); }

.scope-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-bottom: 24px;
}
.scope-legend span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted-dim);
}
.scope-legend .dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.scope-legend .dot--core { background: var(--cyan); }
.scope-legend .dot--shared { background: transparent; border: 1px solid var(--muted-dim); }

/* ===================================================================
   Güçlü Yönler — strengths checklist
=================================================================== */
.strengths-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
@media (min-width: 640px) {
  .strengths-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .strengths-grid { grid-template-columns: repeat(4, 1fr); }
}
.strength-item {
  background: var(--navy);
  padding: 26px 22px;
  display: flex;
  align-items: flex-start;
  gap: 13px;
  transition: background 0.3s ease;
}
.strength-item:hover { background: var(--navy-mid); }
.strength-item .check {
  width: 22px; height: 22px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(63, 216, 255, 0.12);
  color: var(--cyan);
  display: flex; align-items: center; justify-content: center;
  margin-top: 1px;
}
.strength-item .check svg { width: 12px; height: 12px; }
.strength-item span { font-size: 14.5px; font-weight: 500; color: var(--text-soft); line-height: 1.45; }

/* ===================================================================
   Technology
=================================================================== */
.tech-strip {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  background: var(--card);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background-color: var(--border);
  overflow: hidden;
}
.tech-item:last-child { grid-column: span 2; }
@media (min-width: 640px) {
  .tech-strip { grid-template-columns: repeat(3, 1fr); }
  .tech-item:last-child { grid-column: span 1; }
}
@media (min-width: 1024px) {
  .tech-strip { grid-template-columns: repeat(5, 1fr); }
}
.tech-item {
  background: var(--navy);
  padding: 36px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
  transition: background 0.3s ease;
}
.tech-item:hover { background: var(--navy-mid); }
.tech-item .icon {
  width: 46px; height: 46px;
  color: var(--text-soft);
  transition: color 0.3s ease;
}
.tech-item:hover .icon { color: var(--cyan); }
.tech-item .icon svg { width: 100%; height: 100%; }
.tech-item span { font-size: 13.5px; font-weight: 600; color: var(--text-soft); line-height: 1.4; }

/* ===================================================================
   Final CTA
=================================================================== */
.final-cta {
  position: relative;
  padding: 100px 0;
  text-align: center;
  overflow: hidden;
  border-top: 1px solid var(--border);
}
.final-cta .glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 700px; height: 400px;
  background: radial-gradient(ellipse, rgba(242, 106, 33, 0.14), transparent 70%);
  z-index: 0;
  pointer-events: none;
}
.final-cta .inner { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }
.final-cta h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1.18;
  color: var(--text);
}
.final-cta p { margin-top: 18px; color: var(--muted); font-size: 16.5px; }
.final-cta .btn { margin-top: 34px; }

.cta-badges {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}
.cta-badges span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--muted);
}
.cta-badges svg {
  width: 15px; height: 15px;
  color: var(--cyan);
  flex-shrink: 0;
}

/* ===================================================================
   Footer
=================================================================== */
.footer {
  position: relative;
  padding: 64px 0 32px;
  background: var(--navy-deep);
}
.footer-separator {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--border);
}
.footer-separator::before {
  content: "";
  position: absolute;
  top: -1px; left: 50%;
  width: 240px; height: 3px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse, rgba(63, 216, 255, 0.35), transparent 75%);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
}
@media (min-width: 760px) {
  .footer-top { grid-template-columns: 1.15fr 1fr 0.9fr; gap: 32px; }
}

.footer-brand img { height: 34px; margin-bottom: 14px; }
.footer-brand p { font-size: 14px; color: var(--muted-dim); max-width: 340px; line-height: 1.65; }
.footer-company {
  display: block;
  margin-top: 18px;
  font-size: 12px;
  color: var(--muted-dim);
  opacity: 0.75;
  letter-spacing: 0.01em;
}

.footer-col h5 {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan-dim);
  margin-bottom: 18px;
  font-weight: 700;
}

.footer-contact { display: flex; flex-direction: column; gap: 4px; }
.footer-contact li { display: flex; }
.footer-contact a,
.footer-address {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 0;
  width: 100%;
  color: var(--text-soft);
  transition: color 0.25s ease;
}
.footer-contact a:hover { color: var(--cyan); }
.footer-contact a:hover .icon { color: var(--cyan); border-color: rgba(63, 216, 255, 0.4); }

.footer-contact .icon,
.footer-address .icon {
  flex-shrink: 0;
  width: 30px; height: 30px;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--cyan-dim);
  display: flex; align-items: center; justify-content: center;
  transition: color 0.25s ease, border-color 0.25s ease;
}
.footer-contact .icon svg,
.footer-address .icon svg { width: 14px; height: 14px; }

.footer-contact-text { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.footer-contact-text .label { font-size: 11px; color: var(--muted-dim); letter-spacing: 0.02em; }
.footer-contact-text .value { font-size: 14px; font-weight: 500; }

.footer-address { align-items: flex-start; }
.footer-address .icon { margin-top: 1px; }
.footer-address span:last-child { font-size: 14px; color: var(--text-soft); line-height: 1.6; max-width: 220px; }

.footer-bottom {
  margin-top: 52px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--muted-dim);
}
.footer-tag { color: var(--muted-dim); letter-spacing: 0.01em; }

@media (max-width: 759px) {
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 6px; }
}

/* ===================================================================
   Misc
=================================================================== */
::selection { background: var(--orange); color: #14100c; }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

@media (max-width: 430px) {
  .container { padding: 0 18px; }
  .hero { padding-top: 104px; }
  .hero-ctas .btn { flex: 1 1 auto; justify-content: center; }
}