/* ========================================
   SEBS Enterprise — v4 Fotoğraf Odaklı Tasarım
   ======================================== */

:root {
  --navy: #0D1726;
  --navy-light: #1A2433;
  --broken-white: #F7F8F7;
  --light-surface: #EDF1F2;
  --accent: #16697A;
  --accent-hover: #1A7D90;
  --accent-subtle: rgba(22,105,122,0.08);
  --accent-glow: rgba(22,105,122,0.15);
  --border: #D8E0E4;
  --border-light: #E8EDF0;
  --text-dark: #0D1726;
  --text-body: #3D4A5C;
  --text-muted: #7A8898;
  --text-light: #C8D0D8;
  --white: #FFFFFF;
  --success: #2E7D5E;
  --danger: #C0392B;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', 'Fira Code', monospace;

  --section-gap: 95px;
  --section-gap-mobile: 70px;
  --container-max: 1280px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --fast: 200ms;
  --normal: 400ms;
  --slow: 800ms;

  --shadow-sm: 0 1px 3px rgba(13,23,38,0.05);
  --shadow-md: 0 4px 12px rgba(13,23,38,0.06);
  --shadow-lg: 0 8px 30px rgba(13,23,38,0.08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans); font-size: 16px; line-height: 1.6;
  color: var(--text-body); background: var(--broken-white);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden; width: 100%;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; border: none; cursor: pointer; background: none; color: inherit; }
input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
::selection { background: var(--accent); color: var(--white); }

/* Smooth scroll anchor offset — fixed header yüksekliği için */
#yaklasim, #hikaye, #nasil-calisir, #urun, #iletisim {
  scroll-margin-top: 85px;
}

.container {
  width: 100%; max-width: var(--container-max); margin: 0 auto;
  padding: 0 24px;
}
@media (min-width: 768px) { .container { padding: 0 32px; } }
@media (min-width: 1024px) { .container { padding: 0 48px; } }
@media (min-width: 1280px) { .container { padding: 0 64px; } }

/* ========================================
   HEADER
   ======================================== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(247,248,247,0.8);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: background var(--normal) var(--ease-out),
              border-color var(--normal) var(--ease-out),
              box-shadow var(--normal) var(--ease-out);
}
.site-header.scrolled {
  background: rgba(247,248,247,0.95);
  border-bottom-color: var(--border-light);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; transition: height var(--normal) var(--ease-out);
}
.site-header.scrolled .header-inner { height: 60px; }

.header-logo { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.logo-mark { font-size: 1.35rem; font-weight: 800; color: var(--navy); letter-spacing: -0.03em; }
.logo-suffix { font-size: 1rem; font-weight: 500; color: var(--accent); letter-spacing: -0.01em; }

.header-nav { display: flex; align-items: center; }
.nav-list { display: flex; align-items: center; gap: 32px; }
.nav-link {
  font-size: 0.9rem; font-weight: 500; color: var(--text-body);
  position: relative; transition: color var(--fast) var(--ease-out);
}
.nav-link::after {
  content: ''; position: absolute; left: 0; right: 0;
  bottom: -4px; height: 1.5px; background: var(--accent);
  transform: scaleX(0); transition: transform var(--fast) var(--ease-out);
}
.nav-link:hover { color: var(--text-dark); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.active { color: var(--text-dark); }
.nav-link.active::after { transform: scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.header-link { font-size: 0.875rem; font-weight: 500; color: var(--text-muted); transition: color var(--fast) var(--ease-out); }
.header-link:hover { color: var(--accent); }

.nav-toggle, .nav-close {
  display: none; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 8px; color: var(--text-dark);
  transition: background var(--fast) var(--ease-out);
}
.nav-toggle:hover, .nav-close:hover { background: var(--light-surface); }

.nav-backdrop {
  display: none; position: fixed; inset: 0; background: rgba(13,23,38,0.5);
  z-index: 90; opacity: 0; transition: opacity var(--normal) var(--ease-out);
  pointer-events: none;
}
.nav-backdrop.open { opacity: 1; pointer-events: auto; }

/* ========================================
   BUTTONS
   ======================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; font-size: 0.9375rem; font-weight: 600;
  border-radius: 8px;
  transition: background var(--fast) var(--ease-out), color var(--fast) var(--ease-out),
              border-color var(--fast) var(--ease-out), box-shadow var(--fast) var(--ease-out);
  cursor: pointer; white-space: nowrap;
}
.btn-primary {
  background: var(--accent); color: var(--white); border: 1px solid var(--accent);
  box-shadow: 0 1px 3px rgba(22,105,122,0.2);
}
.btn-primary:hover {
  background: var(--accent-hover); border-color: var(--accent-hover);
  box-shadow: 0 4px 12px rgba(22,105,122,0.3);
}
.btn-secondary {
  background: transparent; color: var(--text-dark); border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-subtle); }
.btn-sm { padding: 8px 18px; font-size: 0.875rem; }
.btn-lg { padding: 16px 36px; font-size: 1.0625rem; }

/* ========================================
   1. HERO — PREMIUM SPLIT LAYOUT
   ======================================== */
.hero {
  position: relative; min-height: 90vh; padding: 120px 0 32px;
  background: var(--broken-white); overflow: hidden;
  display: flex; align-items: center;
}

/* Entry animation */
@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-content {
  animation: heroFadeIn 0.8s var(--ease-out) both;
}

.hero-image-col {
  animation: heroFadeIn 0.8s var(--ease-out) 0.15s both;
}

/* Subtle background detail */
.hero-bg {
  position: absolute; top: -10%; right: -5%;
  width: 45%; height: 120%;
  background: radial-gradient(ellipse at center, rgba(22,105,122,0.025) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 5fr 1fr 6fr;
  align-items: center;
  width: 100%;
  position: relative; z-index: 1;
}

.hero-content {
  grid-column: 1;
  max-width: 520px;
}

/* Editorial badge with accent line */
.hero-badge {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 28px;
}

.hero-badge-line {
  width: 32px; height: 2px;
  background: var(--accent);
  flex-shrink: 0;
}

.hero-badge-text {
  font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.12em;
  color: var(--text-muted);
}

.hero-title {
  font-size: clamp(2.25rem, 4.5vw, 4rem);
  font-weight: 750; line-height: 1.02;
  color: var(--text-dark); letter-spacing: -0.035em;
  margin-bottom: 24px;
}

.hero-title-em {
  position: relative;
  display: inline-block;
}

.hero-title-em::after {
  content: '';
  position: absolute; left: 0; right: 0;
  bottom: 2px; height: 3px;
  background: var(--accent);
  opacity: 0.25;
  border-radius: 2px;
}

.hero-desc {
  font-size: 1rem; line-height: 1.7;
  color: var(--text-body); margin-bottom: 36px;
  max-width: 480px;
}

/* CTA Buttons */
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn-primary {
  background: var(--accent); color: var(--white); border: 1px solid var(--accent);
  padding: 16px 32px; font-size: 0.9375rem; font-weight: 600;
  border-radius: 10px;
  transition: background var(--fast) var(--ease-out),
              transform var(--fast) var(--ease-out),
              box-shadow var(--fast) var(--ease-out);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(22,105,122,0.25);
}

.btn-arrow {
  margin-left: 2px;
  transition: transform var(--fast) var(--ease-out);
}
.btn-primary:hover .btn-arrow {
  transform: translateX(3px);
}

.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 16px 28px; font-size: 0.9375rem; font-weight: 500;
  border-radius: 10px;
  color: var(--text-dark); border: 1px solid var(--border);
  transition: background var(--fast) var(--ease-out),
              border-color var(--fast) var(--ease-out);
  cursor: pointer; white-space: nowrap;
}
.btn-ghost:hover {
  background: var(--light-surface);
  border-color: var(--text-muted);
}

/* Trustline */
.hero-trustline {
  display: flex; align-items: center; gap: 10px;
  margin-top: 32px;
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.ht-dot {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--text-muted);
  opacity: 0.4;
}

/* Right image column */
.hero-image-col {
  grid-column: 3;
}

.hero-image {
  position: relative; border-radius: 14px; overflow: hidden;
  box-shadow: 0 4px 24px rgba(13,23,38,0.08), 0 1px 3px rgba(13,23,38,0.04);
  aspect-ratio: 16/11;
}

.hero-img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}

/* Image plate */
.hero-image-plate {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 16px 24px;
  background: linear-gradient(transparent, rgba(13,23,38,0.85));
  display: flex; flex-direction: column;
  gap: 4px;
}

.hip-title {
  font-size: 0.7rem; font-weight: 600;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.08em;
}

.hip-sub {
  font-size: 0.8125rem; font-weight: 500;
  color: var(--white);
  letter-spacing: 0.02em;
}

/* Scroll indicator */
.hero-scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px; z-index: 2;
}
.hero-scroll-text {
  font-size: 0.6rem; font-weight: 600; color: var(--text-muted);
  letter-spacing: 0.12em;
}
.hero-scroll-line {
  width: 1px; height: 28px;
  background: linear-gradient(to bottom, var(--border), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 0.7; transform: scaleY(1.3); }
}

/* ========================================
   CHIP MARQUEE — Premium Geçiş
   ======================================== */
.chip-marquee {
  padding: 48px 0 44px;
  background: var(--light-surface);
  overflow: hidden;
  border-top: 1px solid var(--border-light);
}

.chip-marquee-inner {
  text-align: center;
}

.chip-marquee-header {
  margin-bottom: 32px;
}

.chip-marquee-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.chip-marquee-sub {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 480px;
  margin: 0 auto;
}

.chip-track-wrap {
  width: 100%;
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent 0%, #000 5%, #000 95%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 5%, #000 95%, transparent 100%);
  padding: 8px 0;
}

.chip-track {
  display: flex;
  align-items: center;
  gap: 12px;
  width: max-content;
}

.chip-track-1 {
  animation: chipMarqueeLeft 45s linear infinite;
}

.chip-track-2 {
  animation: chipMarqueeRight 45s linear infinite;
}

/* Chips */
.chip {
  display: inline-flex;
  align-items: center;
  height: 46px;
  padding: 0 24px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-dark);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 100px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: border-color var(--fast) var(--ease-out),
              color var(--fast) var(--ease-out),
              box-shadow var(--fast) var(--ease-out);
}

.chip:hover {
  border-color: var(--text-muted);
  box-shadow: 0 2px 8px rgba(13,23,38,0.04);
}

.chip-accent {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(22,105,122,0.04);
}

.chip-accent:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 10px rgba(22,105,122,0.08);
}

@keyframes chipMarqueeLeft {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes chipMarqueeRight {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

/* Pause on hover */
.chip-track-wrap:hover .chip-track {
  animation-play-state: paused;
}

/* ========================================
   2. TRUST STRIP
   ======================================== */
.trust-strip {
  padding: 28px 0;
  background: var(--white);
  border-bottom: 1px solid var(--border-light);
}
.ts-track {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.ts-item { display: flex; align-items: center; gap: 14px; flex: 1; }
.ts-num {
  font-family: var(--font-mono); font-size: 1.125rem; font-weight: 700;
  color: var(--accent); opacity: 0.25; flex-shrink: 0;
}
.ts-label { display: block; font-size: 0.8125rem; font-weight: 600; color: var(--text-body); line-height: 1.3; }
.ts-line { display: block; width: 24px; height: 1.5px; background: var(--accent); opacity: 0.25; margin-top: 6px; }

/* ========================================
   3. APPROACH — MEETING PHOTO
   ======================================== */
.approach {
  padding: var(--section-gap) 0;
  background: var(--white);
}
.approach-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.approach-badge {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em;
  color: var(--accent); margin-bottom: 20px; display: block;
}
.approach-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700; line-height: 1.2;
  color: var(--text-dark); letter-spacing: -0.025em; margin-bottom: 20px;
}
.approach-desc {
  font-size: 1rem; line-height: 1.7; color: var(--text-body);
}
.approach-image {
  border-radius: 12px; overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4/3;
}
.approach-image img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}

/* ========================================
   4. SCROLL STORYTELLING
   ======================================== */
/* ========================================
   4. STORYTELLING — Premium 3-Screen
   ======================================== */
.story-section {
  position: relative; background: var(--navy);
}
.story-spacer { height: 200vh; pointer-events: none; }
.story-sticky {
  position: sticky; top: 0; width: 100%; height: 100vh;
  overflow: hidden; display: flex; align-items: center;
}
.story-bg {
  position: absolute; inset: 0; background: var(--navy);
  transition: background 1.2s var(--ease-out);
}

/* Decorative background numbers */
.story-deco {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden;
  z-index: 0;
}
.story-deco-num {
  position: absolute; left: 48px; bottom: 48px;
  font-size: 20vw; font-weight: 800;
  color: rgba(255,255,255,0.02);
  letter-spacing: -0.04em;
  opacity: 0; transition: opacity 0.8s var(--ease-out);
  line-height: 1;
}
.story-deco-num.active { opacity: 1; }

/* Main grid */
.story-inner {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 5fr 1fr 6fr;
  align-items: center;
  width: 100%; height: 100%;
}

/* LEFT COLUMN */
.story-text { position: relative; grid-column: 1; }

.story-chapter {
  position: absolute; top: 0; left: 0; right: 0;
  opacity: 0; pointer-events: none;
}
.story-chapter.active {
  position: relative; pointer-events: auto;
  animation: chapterIn 0.7s var(--ease-out) both;
}
@keyframes chapterIn {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.story-chapter-tag {
  display: inline-block;
  font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.1em;
  color: var(--accent); margin-bottom: 20px;
}
.story-chapter-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700; line-height: 1.15;
  color: var(--white); letter-spacing: -0.03em; margin-bottom: 16px;
  max-width: 460px;
}
.story-chapter-desc {
  font-size: 0.9375rem; line-height: 1.7;
  color: var(--text-light); max-width: 420px;
  margin-bottom: 28px;
}

/* Benefit items */
.story-benefits {
  display: flex; flex-direction: column; gap: 10px;
}
.sb-item {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.875rem; color: var(--text-light);
  opacity: 0; transform: translateX(-8px);
  animation: sbIn 0.5s var(--ease-out) 0.3s forwards;
}
.sb-item:nth-child(2) { animation-delay: 0.4s; }
.sb-item:nth-child(3) { animation-delay: 0.5s; }
@keyframes sbIn {
  to { opacity: 0.8; transform: translateX(0); }
}
.sb-num {
  display: flex; align-items: center; justify-content: center;
  width: 22px; height: 22px;
  background: var(--accent-glow);
  border-radius: 4px;
  font-size: 0.7rem; font-weight: 700;
  color: var(--accent); flex-shrink: 0;
}

/* Progress bar + labels */
.story-progress {
  margin-top: 36px;
}
.sp-bar {
  height: 2px;
  background: rgba(255,255,255,0.08);
  border-radius: 1px;
  margin-bottom: 14px;
  overflow: hidden;
}
.sp-bar-fill {
  height: 100%; width: 0;
  background: var(--accent);
  transition: width 0.8s var(--ease-out);
}
.sp-labels {
  display: flex; align-items: center; gap: 6px;
}
.sp-label {
  display: flex; align-items: center; gap: 6px;
  cursor: pointer;
  opacity: 0.35;
  transition: opacity var(--fast) var(--ease-out);
}
.sp-label.active { opacity: 1; }
.sp-label:hover { opacity: 0.7; }
.sp-label-num {
  font-family: var(--font-mono);
  font-size: 0.65rem; font-weight: 600;
  color: var(--text-light);
}
.sp-label.active .sp-label-num { color: var(--accent); }
.sp-label-text {
  font-size: 0.65rem; font-weight: 500;
  color: var(--text-light);
  letter-spacing: 0.02em;
}
.sp-spacer {
  width: 16px; height: 1px;
  background: rgba(255,255,255,0.1);
  flex-shrink: 0;
}

/* Flow meta */
.story-flow {
  display: none;
}

/* RIGHT COLUMN — Media */
.story-media {
  grid-column: 3;
  position: relative;
}

.sm-reveal {
  position: relative;
}

.sm-frame {
  width: 100%; aspect-ratio: 16/10;
  background: #152240;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}

.sm-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  display: block;
  clip-path: inset(0 100% 0 0);
  transition: clip-path 0.9s var(--ease-out);
}

.sm-img.active {
  clip-path: inset(0 0 0 0);
}

/* Product plate overlay */
.sm-plate {
  position: absolute;
  bottom: 16px; left: 16px; right: 16px;
  padding: 14px 20px;
  background: rgba(13,23,38,0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  display: flex; flex-direction: column;
  gap: 4px;
  opacity: 0; transform: translateY(8px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
  z-index: 2;
}
.sm-plate.visible {
  opacity: 1; transform: translateY(0);
  transition-delay: 0.3s;
}

.smp-label {
  font-size: 0.6rem; font-weight: 600;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.08em;
}

.smp-text {
  font-size: 0.8125rem; font-weight: 500;
  color: var(--white);
  letter-spacing: 0.02em;
}

/* ========================================
   5. NASIL ÇALIŞIR — Visual Flow Timeline
   ======================================== */
.how-it-works {
  position: relative;
  background: var(--white);
  overflow: hidden;
}
.how-it-works .container:first-child {
  padding: var(--section-gap) 24px 0;
}
@media (min-width: 768px) { .how-it-works .container:first-child { padding: var(--section-gap) 32px 0; } }
@media (min-width: 1024px) { .how-it-works .container:first-child { padding: var(--section-gap) 48px 0; } }
@media (min-width: 1280px) { .how-it-works .container:first-child { padding: var(--section-gap) 64px 0; } }

.hiw-header { max-width: 480px; margin-bottom: 40px; }
.hiw-badge { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em; color: var(--accent); margin-bottom: 16px; display: block; }
.hiw-title { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; line-height: 1.25; color: var(--text-dark); letter-spacing: -0.025em; }
.hiw-desc {
  font-size: 0.9375rem; line-height: 1.7; color: var(--text-body);
  margin-top: 16px; max-width: 520px;
}
.hiw-domains {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 24px;
}
.hiw-domain {
  font-size: 0.75rem; font-weight: 500;
  color: var(--text-muted);
  padding: 4px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
}

/* ---- Accordion Layout ---- */
.hwa-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px 60px;
}

.hwa-track {
  display: flex;
  gap: 10px;
  align-items: stretch;
}

/* Accordion card — collapsed by default */
.hwa-card {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: flex 0.5s var(--ease-out), box-shadow 0.4s var(--ease-out);
  background: var(--white);
  position: relative;
  min-height: 480px;
  display: flex;
  flex-direction: column;
}

/* Expanded card on hover */
.hwa-card:hover,
.hwa-card.active {
  flex: 3;
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

/* Thin header strip always visible */
.hwa-card-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 20px 8px;
  flex-shrink: 0;
  flex: 1;
  border-bottom: 1px solid var(--border-light);
  transition: background 0.3s var(--ease-out), flex 0.5s var(--ease-out);
}
.hwa-card:hover .hwa-card-header,
.hwa-card.active .hwa-card-header {
  flex: 0 0 auto;
  background: var(--accent-subtle);
  border-bottom-color: transparent;
}

.hwa-card-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.hwa-card-label {
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  writing-mode: horizontal-tb;
}
.hwa-card:hover .hwa-card-label,
.hwa-card.active .hwa-card-label {
  color: var(--accent);
}

/* Card body — hidden when collapsed */
.hwa-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  opacity: 0;
  overflow: hidden;
  transition: opacity 0.4s var(--ease-out) 0s;
  padding: 0 16px;
}
.hwa-card:hover .hwa-card-body,
.hwa-card.active .hwa-card-body {
  opacity: 1;
  transition-delay: 0.15s;
  padding: 16px;
  overflow-y: auto;
}

.hwa-body-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 4px;
  line-height: 1.25;
}

.hwa-body-desc {
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--text-body);
  margin-bottom: 12px;
}

.hwa-body-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 12px;
}
.hwa-body-tag {
  font-size: 0.55rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 100px;
  background: var(--accent-subtle);
  color: var(--accent);
  border: 1px solid rgba(22,105,122,0.15);
}

/* Photo in body */
.hwa-body-photo {
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 10px;
}
.hwa-body-photo img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}

/* Dashboard strip in body */
.hwa-body-dash {
  background: var(--navy);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 8px 12px;
}
.hwa-dash-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 2px 0;
  font-size: 0.55rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.hwa-dash-row:last-child { border-bottom: none; }
.hwa-dash-label { color: var(--text-light); min-width: 60px; }
.hwa-dash-val { color: #fff; font-weight: 600; font-family: var(--font-mono); margin-left: auto; font-size: 0.55rem; }
.hwa-dash-bar { flex: 1; height: 3px; background: rgba(255,255,255,0.06); border-radius: 2px; overflow: hidden; }
.hwa-dash-bar span { display: block; height: 100%; background: var(--accent); border-radius: 2px; }

/* Responsive */
@media (max-width: 1024px) {
  .hwa-track { gap: 8px; }
  .hwa-card { min-height: 400px; }
  .hwa-card-header { padding: 16px 6px; }
  .hwa-card.active .hwa-card-body { padding: 12px; }
}
@media (max-width: 768px) {
  .hwa-track { flex-direction: column; gap: 8px; }
  .hwa-card { min-height: auto; flex: none; }
  .hwa-card.active { flex: none; }
  .hwa-card-header {
    flex-direction: row;
    padding: 12px 16px;
    gap: 10px;
    border-bottom: none;
  }
  .hwa-card-label { writing-mode: horizontal-tb; }
  .hwa-card.active .hwa-card-body { padding: 12px 16px; }
  .hwa-card:not(.active) .hwa-card-body { display: none; }
}

/* ========================================
   6. MEDIA BREAK — FULL-WIDTH PHOTO
   ======================================== */
.media-break {
  position: relative; width: 100%; height: 55vh; min-height: 380px;
  overflow: hidden; display: flex; align-items: center;
}
.mb-image {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.mb-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(13,23,38,0.7) 0%, rgba(13,23,38,0.3) 100%);
}
.mb-content { position: relative; z-index: 2; max-width: 600px; }
.mb-title {
  font-size: clamp(1.5rem, 3vw, 2.125rem);
  font-weight: 700; line-height: 1.2;
  color: var(--white); letter-spacing: -0.025em; margin-bottom: 14px;
}
.mb-desc { font-size: 1rem; line-height: 1.7; color: rgba(255,255,255,0.75); }

/* ========================================
   7. ÜRÜNLER — Premium Sticky Cards
   ======================================== */

/* Section base */
.products {
  position: relative;
  background: var(--white);
  overflow: visible;
}

/* Header */
.uct-header {
  max-width: 620px;
  padding: var(--section-gap) 0 0;
  margin-bottom: 48px;
}
.uct-badge {
  display: block;
  font-size: 0.65rem; font-weight: 600; letter-spacing: 0.1em;
  color: var(--text-muted); margin-bottom: 16px; text-transform: uppercase;
}
.uct-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700; line-height: 1.2;
  color: var(--text-dark); letter-spacing: -0.025em; margin-bottom: 14px;
}
.uct-desc {
  font-size: 0.9375rem; line-height: 1.7; color: var(--text-body);
  max-width: 520px;
}

/* Cards container */
.uct-container {
  position: relative;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}
.uct-cards-wrap {
  position: relative;
}
.uct-spacer {
  height: 500px;
  pointer-events: none;
}

/* Individual card */
.uct-card {
  position: sticky;
  width: 100%;
  min-height: 680px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  box-shadow: 0 2px 8px rgba(13,23,38,0.04);
  transition: box-shadow 0.4s var(--ease-out);
}

/* Card visual layers — higher z-index = on top */
.uct-card:nth-child(1) { z-index: 1; }
.uct-card:nth-child(2) { z-index: 2; }
.uct-card:nth-child(3) { z-index: 3; }
.uct-card:nth-child(4) { z-index: 4; }

/* All cards use the same sticky offset so each new card slides over the previous one */
.uct-card:nth-child(1),
.uct-card:nth-child(2),
.uct-card:nth-child(3),
.uct-card:nth-child(4) { top: 110px; }

/* Card left column — text */
.uct-card-text {
  padding: 48px 0 48px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.uct-card-num {
  font-family: var(--font-mono);
  font-size: 5rem;
  font-weight: 800;
  color: rgba(13,23,38,0.03);
  line-height: 1;
  margin-bottom: -24px;
  letter-spacing: -0.04em;
  pointer-events: none;
}

.uct-card-tag {
  display: inline-block;
  font-size: 0.65rem; font-weight: 600; letter-spacing: 0.1em;
  color: var(--accent); margin-bottom: 10px; text-transform: uppercase;
}

.uct-card-title {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
  max-width: 400px;
}

.uct-card-desc {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-body);
  margin-bottom: 20px;
  max-width: 380px;
}

.uct-card-benefits {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.uct-card-benefit {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  color: var(--text-body);
  padding: 5px 0;
  border-bottom: 1px solid var(--border-light);
}
.uct-card-benefit:last-child { border-bottom: none; }

.uct-card-benefit::before {
  content: '';
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  opacity: 0.5;
}

/* Card right column — visual area */
.uct-card-visual {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
}

.uct-card-photo {
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.uct-card-photo img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}

/* Navy dashboard mockup */
.uct-card-mockup {
  width: 100%;
  background: var(--navy);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(13,23,38,0.12);
}

.uct-mockup-header {
  padding: 14px 18px 10px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.uct-mockup-badge {
  font-size: 0.5rem; font-weight: 600; letter-spacing: 0.1em;
  color: var(--accent); display: block; margin-bottom: 2px;
}
.uct-mockup-title {
  font-size: 0.75rem; font-weight: 700; color: var(--white);
}

.uct-mockup-body {
  padding: 12px 18px;
}

.uct-mockup-row {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.65rem;
}
.uct-mockup-row:last-child { border-bottom: none; }
.uct-mockup-row .umr-label {
  color: var(--text-light);
  min-width: 80px;
  flex-shrink: 0;
}
.uct-mockup-row .umr-val {
  color: var(--white);
  font-weight: 600;
  font-family: var(--font-mono);
  margin-left: auto;
}
.uct-mockup-bar {
  flex: 1; height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px; overflow: hidden;
}
.uct-mockup-bar span {
  display: block; height: 100%;
  background: var(--accent);
  border-radius: 2px;
}

.uct-mockup-footer {
  padding: 10px 18px;
  border-top: 1px solid rgba(255,255,255,0.05);
  background: rgba(13,23,38,0.4);
}
.uct-mockup-footer-text {
  font-size: 0.6rem; color: var(--text-light);
  font-weight: 500;
}

/* Mockup color variants per card */
.uct-card[data-card="0"] .uct-mockup-badge { color: var(--accent); }
.uct-card[data-card="0"] .uct-mockup-bar span { background: var(--accent); }
.uct-card[data-card="1"] .uct-mockup-badge { color: #2E7D5E; }
.uct-card[data-card="1"] .uct-mockup-bar span { background: #2E7D5E; }
.uct-card[data-card="2"] .uct-mockup-badge { color: #B8860B; }
.uct-card[data-card="2"] .uct-mockup-bar span { background: #B8860B; }
.uct-card[data-card="3"] .uct-mockup-badge { color: var(--accent); }
.uct-card[data-card="3"] .uct-mockup-bar span { background: var(--accent); }

/* Closer */
.uct-closer {
  padding: 40px 0 10px;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}
.uct-closer-title {
  font-size: clamp(1.375rem, 2.5vw, 1.875rem);
  font-weight: 700; line-height: 1.2;
  color: var(--text-dark); letter-spacing: -0.025em; margin-bottom: 16px;
}
.uct-closer-desc {
  font-size: 0.9375rem; line-height: 1.7;
  color: var(--text-body);
  margin-bottom: 32px;
}

/* ========================================
   8. TESTIMONIAL
   ======================================== */
.testimonial-section {
  padding: var(--section-gap) 0;
  background: var(--white);
}
.ts-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.ts-image {
  border-radius: 12px; overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 16/10;
}
.ts-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ts-badge { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em; color: var(--accent); margin-bottom: 16px; display: block; }
.ts-content-title {
  font-size: clamp(1.375rem, 2.5vw, 1.875rem);
  font-weight: 700; line-height: 1.25;
  color: var(--text-dark); letter-spacing: -0.025em; margin-bottom: 16px;
}
.ts-content-desc { font-size: 1rem; line-height: 1.7; color: var(--text-body); }

/* ========================================
   9. CONTROL / SECURITY
   ======================================== */
.control-section {
  padding: var(--section-gap) 0;
  background: var(--broken-white);
  border-top: 1px solid var(--border-light);
}
.cs-inner { max-width: 800px; margin: 0 auto; text-align: center; }
.cs-title {
  font-size: clamp(1.375rem, 2.5vw, 2rem);
  font-weight: 700; line-height: 1.25;
  color: var(--text-dark); letter-spacing: -0.025em; margin-bottom: 16px;
}
.cs-desc { font-size: 1rem; line-height: 1.7; color: var(--text-body); margin-bottom: 48px; }
.cs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px; text-align: left;
}
.cs-item {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color var(--normal) var(--ease-out);
}
.cs-item:hover { border-color: var(--accent); }
.cs-item-icon {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  background: var(--accent-subtle);
  border-radius: 8px; color: var(--accent); margin-bottom: 14px;
}
.cs-item div strong { display: block; font-size: 0.9375rem; font-weight: 700; color: var(--text-dark); margin-bottom: 4px; }
.cs-item div span { display: block; font-size: 0.8125rem; line-height: 1.5; color: var(--text-body); }

/* ========================================
   GÜVEN VE İŞ ORTAKLARI
   ======================================== */
.guven-section {
  padding: 56px 0 48px;
  background: var(--broken-white);
  border-top: 1px solid var(--border-light);
  text-align: center;
}
.guven-track-wrap {
  overflow: hidden;
  margin: 0 auto 20px;
  max-width: 100%;
}
.guven-logolar {
  display: flex;
  align-items: center;
  gap: 48px;
  animation: guven-marquee 35s linear infinite;
  width: max-content;
  padding: 4px 0;
}
.guven-section:hover .guven-logolar {
  animation-play-state: paused;
}

@keyframes guven-marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.guven-partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.6;
  transition: opacity var(--fast) var(--ease-out);
}
.guven-partner-logo:hover {
  opacity: 1;
}
.guven-partner-logo img {
  max-height: 32px;
  width: auto;
  display: block;
}
.guven-partner-logo:first-child img {
  max-height: 36px;
}
.guven-aciklama {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

/* ========================================
   SECTION BRIDGE — Genel
   ======================================== */
.section-bridge {
  padding: 48px 0;
  background: var(--broken-white);
  text-align: center;
  overflow: hidden;
}

.bridge-subtitle {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 500px;
  margin: 0 auto;
}

.bridge-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 440px;
  margin: 12px auto 0;
}

/* Bridge Quote (Hero → Approach) */
.bridge-quote .bridge-line {
  width: 40px; height: 2px;
  background: var(--accent);
  margin: 0 auto 20px;
}

.bridge-text {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-dark);
  line-height: 1.5;
  max-width: 400px;
  margin: 0 auto;
  font-style: italic;
}

/* Bridge Diverging (Approach → Süreçler) */
.bridge-diverging .bridge-subtitle {
  margin-bottom: 28px;
}

.bridge-lines {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  max-width: 400px;
  margin: 0 auto;
}

.bl-line {
  height: 1.5px;
  background: var(--border);
  border-radius: 1px;
  transition: width 1s var(--ease-out);
}

.bl-div-1 { align-self: flex-start; }
.bl-div-2 { align-self: center; }
.bl-div-3 { align-self: flex-end; }

/* Bridge Flow (Storytelling → How It Works) */
.bridge-flow {
  background: var(--light-surface);
}

.bf-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 20px;
}

.bf-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--border);
  animation: bfDotPulse 3s ease-in-out infinite;
  animation-delay: calc(var(--i, 0) * 0.8s);
}

.bf-line {
  width: 60px; height: 1.5px;
  background: var(--border);
}

@keyframes bfDotPulse {
  0%, 100% { background: var(--border); transform: scale(1); }
  50% { background: var(--accent); transform: scale(1.4); }
}

/* Bridge Aperture (How It Works → Product) */
.bridge-aperture {
  padding: 48px 0;
  background: var(--navy);
  text-align: center;
}

.ba-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.ba-line {
  width: 60px; height: 1px;
  background: rgba(255,255,255,0.1);
  flex-shrink: 0;
}

.ba-text {
  font-size: 1.125rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
  max-width: 380px;
  text-align: center;
}

/* Bridge Contact (Final → İletişim) */
.bridge-contact {
  background: var(--light-surface);
  border-top: 1px solid var(--border-light);
}

/* ========================================
   SECTION REVEAL
   ======================================== */
[data-reveal] {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
[data-reveal].revealed {
  opacity: 1; transform: translateY(0);
}

/* Approach section reveal */
.approach-inner {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.approach.revealed .approach-inner {
  opacity: 1; transform: translateY(0);
}

/* Contact form reveal */
.contact.revealed .contact-form {
  animation: contactSlide 0.7s var(--ease-out) 0.15s both;
}
@keyframes contactSlide {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========================================
   10. FINAL CTA
   ======================================== */
.final-cta {
  padding: var(--section-gap) 0;
  background: var(--navy);
  text-align: center;
}
.fcta-inner { max-width: 640px; margin: 0 auto; }
.fcta-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700; line-height: 1.25;
  color: var(--white); letter-spacing: -0.025em; margin-bottom: 16px;
}
.fcta-desc { font-size: 1rem; line-height: 1.7; color: var(--text-light); margin-bottom: 36px; }
.fcta-secondary { margin-top: 20px; }
.fcta-link { font-size: 0.9375rem; font-weight: 500; color: var(--text-muted); transition: color var(--fast) var(--ease-out); }
.fcta-link:hover { color: var(--accent); }

/* ========================================
   11. CONTACT
   ======================================== */
.contact {
  padding: var(--section-gap) 0;
  background: var(--white);
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}
.contact-info-title {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 700; line-height: 1.25;
  color: var(--text-dark); margin-bottom: 12px;
}
.contact-info-desc { font-size: 0.9375rem; line-height: 1.7; color: var(--text-body); margin-bottom: 24px; }
.contact-details { display: flex; flex-direction: column; gap: 12px; }
.contact-detail-item {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 0.875rem; color: var(--text-muted);
  transition: color var(--fast) var(--ease-out);
}
.contact-detail-item svg { opacity: 0.5; }
.contact-detail-item:hover { color: var(--accent); }

.contact-form {
  background: var(--light-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-row .form-group { margin-bottom: 0; }
.form-label { display: block; font-size: 0.8125rem; font-weight: 600; color: var(--text-dark); margin-bottom: 6px; }
.required { color: var(--danger); }
.form-input {
  width: 100%; padding: 12px 14px;
  font-size: 0.9375rem; color: var(--text-dark);
  background: var(--white); border: 1px solid var(--border); border-radius: 8px;
  transition: border-color var(--fast) var(--ease-out), box-shadow var(--fast) var(--ease-out);
  -webkit-appearance: none; appearance: none;
}
.form-input::placeholder { color: var(--text-muted); opacity: 0.7; }
.form-input:hover { border-color: #B0C0C8; }
.form-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(22,105,122,0.35); outline: none; }
.form-input.error { border-color: var(--danger); }
.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5l5 5 5-5' stroke='%237A8898' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px;
}
.form-textarea { resize: vertical; min-height: 100px; }
.form-error { display: block; font-size: 0.8125rem; color: var(--danger); margin-top: 4px; min-height: 1.2em; }
.btn-submit { width: 100%; padding: 14px 32px; font-size: 1rem; margin-top: 8px; }

/* ========================================
   FOOTER
   ======================================== */
.site-footer {
  padding: 64px 0 32px;
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.footer-logo { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 16px; }
.footer-logo .logo-mark { color: var(--white); }
.footer-desc { font-size: 0.8125rem; line-height: 1.7; color: var(--text-muted); max-width: 360px; }
.footer-contact { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
.footer-contact-item {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.8125rem; color: var(--text-muted);
  transition: color var(--fast) var(--ease-out);
}
.footer-contact-item svg { flex-shrink: 0; opacity: 0.5; }
.footer-contact-item:hover { color: var(--accent); }
.footer-col-title { font-size: 0.8rem; font-weight: 700; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.9rem; font-weight: 500; color: var(--text-muted); transition: color var(--fast) var(--ease-out); }
.footer-links a:hover { color: var(--accent); }
/* Footer içindeki nav-link'ler header stilini almamalı */
.footer-links .nav-link { font-size: 0.9rem; font-weight: 500; color: var(--text-muted); background: none; padding: 0; }
.footer-links .nav-link::after { display: none; }
.footer-links .nav-link:hover { color: var(--accent); }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 0.8125rem; color: var(--text-muted); }
.footer-odeme {
  opacity: 0.5;
  transition: opacity var(--fast) var(--ease-out);
}
.footer-odeme:hover { opacity: 0.8; }

/* ========================================
   REDUCED MOTION
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  .hero-content { animation: none; opacity: 1; transform: none; }
  .hero-image-col { animation: none; opacity: 1; transform: none; }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .story-spacer { display: none; }
  .story-sticky { position: static; height: auto; }
  .story-chapter { position: static; opacity: 1; transform: none; pointer-events: auto; margin-bottom: 32px; }
  .sm-img { clip-path: none; opacity: 1; }
  .sm-plate { opacity: 1; transform: none; }
  .story-progress { display: none; }
  .story-deco { display: none; }
  .sb-item { opacity: 1; transform: none; animation: none; }
  .bf-dot { animation: none; }
  .plp-bar-fill { width: 0 !important; }
  .hero-scroll-line { animation: none; }
}

/* ========================================
   RESPONSIVE — TABLET (≤1024px)
   ======================================== */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }
  .hero-content { max-width: 100%; }
  .hero-image-col { max-width: 480px; }
  .hero-actions { justify-content: flex-start; }
  .hero-trustline { justify-content: flex-start; }

  .approach-inner { grid-template-columns: 1fr; gap: 48px; }
  .approach-image { max-width: 600px; }

  .story-inner { grid-template-columns: 1fr; gap: 32px; }
  .story-chapter-title { font-size: 1.5rem; }
  .story-media { max-width: 560px; margin: 0 auto; }

  .ts-inner { grid-template-columns: 1fr; gap: 32px; }
  .ts-image { max-width: 500px; }

  .cs-grid { grid-template-columns: repeat(2, 1fr); }

  .contact-inner { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}

/* ========================================
   RESPONSIVE — MOBILE (≤768px)
   ======================================== */
@media (max-width: 768px) {
  :root { --section-gap: var(--section-gap-mobile); }

  .header-nav {
    position: fixed; top: 0; right: 0; bottom: 0;
    width: 300px; background: var(--white); z-index: 110;
    padding: 24px 28px; flex-direction: column; align-items: flex-start; gap: 32px;
    transform: translateX(100%);
    transition: transform var(--normal) var(--ease-out);
    box-shadow: -8px 0 24px rgba(13,23,38,0.08);
  }
  .header-nav.open { transform: translateX(0); }
  .nav-list { flex-direction: column; align-items: flex-start; gap: 20px; width: 100%; }
  .nav-link { font-size: 1.0625rem; }
  .nav-toggle { display: flex; }
  .nav-close { display: flex; align-self: flex-end; }
  .nav-backdrop { display: block; pointer-events: none; }
  .nav-backdrop.open { pointer-events: auto; }
  .header-link { display: none; }
  .header-actions .btn { font-size: 0.8125rem; padding: 8px 14px; }

  .hero { padding: 120px 0 40px; min-height: auto; }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-title { font-size: 2rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .hero-image-col { max-width: 100%; }
  .hero-image { aspect-ratio: 16/10; }
  .hero-scroll { display: none; }
  .hero-trustline { margin-top: 24px; font-size: 0.7rem; }

  .chip-marquee { padding: 40px 0 36px; }
  .chip-marquee-header { margin-bottom: 24px; }
  .chip-marquee-label { margin-bottom: 6px; font-size: 0.6rem; }
  .chip-marquee-sub { font-size: 0.75rem; max-width: 340px; }
  .chip-track-1 { animation-duration: 35s; }
  .chip-track-2 { animation-duration: 35s; }
  .chip { height: 38px; padding: 0 18px; font-size: 0.72rem; gap: 10px; }

  .ts-track { flex-wrap: wrap; gap: 16px; }
  .ts-item { flex: 1 1 45%; }

  .story-chapter-title { font-size: 1.25rem; }

  .media-break { height: 50vh; min-height: 320px; }

  .cs-grid { grid-template-columns: 1fr; }

  .contact-form { padding: 24px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-row .form-group { margin-bottom: 16px; }

  .guven-logolar { gap: 24px; }
  .guven-aciklama { max-width: 100%; }
  .guven-partner-logo img { max-height: 24px !important; }

  .footer-main { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .hero-inner,
  .approach-inner,
  .ts-inner,
  .contact-inner { gap: 32px; }

  .hero-content,
  .approach-text,
  .ts-content { order: 1; }

  .hero-image-col,
  .approach-image,
  .ts-image { order: 0; }
}

/* ========================================
   SMALL MOBILE (≤480px)
   ======================================== */
@media (max-width: 480px) {
  .hero-title { font-size: 1.5rem; }
  .hero-desc { font-size: 0.9375rem; }
  .ts-item { flex: 1 1 100%; }
}

/* ========================================
   PRINT
   ======================================== */
@media print {
  .site-header { position: static; border-bottom: 1px solid #ddd; }
  .hero, .media-break { min-height: auto; padding: 40px 0; }
  .hero-title, .story-chapter-title, .mb-title, .fcta-title { color: #333 !important; }
  .hero-desc, .story-chapter-desc, .mb-desc, .fcta-desc { color: #666 !important; }
  .hero-scroll, .story-spacer { display: none; }
  .story-sticky { position: static; height: auto; }
  .story-chapter { position: static; opacity: 1; transform: none; pointer-events: auto; margin-bottom: 32px; }
  .sm-img { clip-path: none; opacity: 1; }
  .sm-plate { opacity: 1; transform: none; }
  .story-progress { display: none; }
  .story-deco { display: none; }
  .sb-item { opacity: 1; transform: none; animation: none; }
  .btn { border: 1px solid #333 !important; background: #333 !important; color: #fff !important; }
}

/* ===== Floating WhatsApp Button ===== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 500;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  text-decoration: none;
  animation: whatsapp-pulse 2.5s ease-in-out infinite;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid rgba(37,211,102,0.25);
  animation: whatsapp-ring 2.5s ease-out infinite;
}
.whatsapp-float:hover {
  transform: scale(1.12);
  box-shadow: 0 8px 32px rgba(37,211,102,0.55);
  color: #fff;
  animation-play-state: paused;
}
.whatsapp-float:hover::before {
  animation-play-state: paused;
  opacity: 0;
}
.whatsapp-float svg {
  width: 26px;
  height: 26px;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.15));
}

@keyframes whatsapp-pulse {
  0%, 100% { transform: scale(1); box-shadow: 0 4px 20px rgba(37,211,102,0.4); }
  50% { transform: scale(1.06); box-shadow: 0 6px 28px rgba(37,211,102,0.55); }
}
@keyframes whatsapp-ring {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.5); opacity: 0; }
}

@media (max-width: 768px) {
  .whatsapp-float { bottom: 18px; right: 18px; width: 50px; height: 50px; }
  .whatsapp-float svg { width: 24px; height: 24px; }
  @keyframes whatsapp-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.04); }
  }
}
}