/* ============================================================
   PİR PLASTİK — Design System & Stylesheet
   ────────────────────────────────────────
   Marka renkleri:
     • Ana   : #0D4F70 (Petrol Mavisi)
     • Vurgu : #F5941F (Amber)
     • Nötr  : #F6F9FC (Açık Gri-Mavi)
   Fontlar:
     • Display: Plus Jakarta Sans
     • Body   : Inter
   Boşluk: 8px tabanlı sistem (8/16/24/32/48/64/96/128)
   ============================================================ */

/* ────────────────────────────────────────
   1. RESET & BASE
──────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
ul, ol { list-style: none; }
ul[role="list"] { list-style: none; }
a { color: inherit; text-decoration: none; }
address { font-style: normal; }
button { cursor: pointer; font-family: inherit; border: none; background: none; padding: 0; }
input, select, textarea, button { font-family: inherit; }

/* ────────────────────────────────────────
   2. DESIGN TOKENS
──────────────────────────────────────── */
:root {
  /* Brand colors */
  --color-primary:       #0D4F70;
  --color-primary-light: #1A6B97;
  --color-primary-dark:  #093A54;
  --color-primary-10:    rgba(13, 79, 112, 0.08);
  --color-primary-15:    rgba(13, 79, 112, 0.15);
  --color-primary-20:    rgba(13, 79, 112, 0.20);

  --color-accent:        #F5941F;
  --color-accent-light:  #FBBF74;
  --color-accent-dark:   #D97A0A;
  --color-accent-10:     rgba(245, 148, 31, 0.10);
  --color-accent-20:     rgba(245, 148, 31, 0.20);

  /* Surface & background */
  --color-bg:        #F6F9FC;
  --color-surface:   #FFFFFF;
  --color-surface-2: #EEF4FA;

  /* Text */
  --color-text:       #162535;
  --color-text-muted: #4D6880;
  --color-text-light: #7A94AA;

  /* Borders */
  --color-border:       #DDE8F0;
  --color-border-strong:#BDD0DF;

  /* Dark section */
  --color-dark-bg:      #0A2E42;
  --color-dark-surface: #0D3D59;

  /* Typography */
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Type scale (modular, ~1.25) */
  --text-xs:   0.75rem;    /* 12px */
  --text-sm:   0.875rem;   /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg:   1.125rem;   /* 18px */
  --text-xl:   1.25rem;    /* 20px */
  --text-2xl:  1.5rem;     /* 24px */
  --text-3xl:  1.875rem;   /* 30px */
  --text-4xl:  2.25rem;    /* 36px */
  --text-5xl:  3rem;       /* 48px */
  --text-6xl:  3.75rem;    /* 60px */
  --text-7xl:  4.5rem;     /* 72px */

  /* Spacing — 8px base */
  --sp-1:  8px;
  --sp-2:  16px;
  --sp-3:  24px;
  --sp-4:  32px;
  --sp-6:  48px;
  --sp-8:  64px;
  --sp-12: 96px;
  --sp-16: 128px;

  /* Border radius */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   32px;
  --radius-full: 9999px;

  /* Shadows — tinted with primary */
  --shadow-xs: 0 1px 2px  rgba(13, 79, 112, 0.06);
  --shadow-sm: 0 2px 8px  rgba(13, 79, 112, 0.08);
  --shadow-md: 0 4px 20px rgba(13, 79, 112, 0.12);
  --shadow-lg: 0 8px 40px rgba(13, 79, 112, 0.16);
  --shadow-xl: 0 16px 60px rgba(13, 79, 112, 0.20);

  /* Easing */
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.45, 0, 0.55, 1);

  /* Transitions */
  --tr-fast: 150ms var(--ease-out);
  --tr-base: 250ms var(--ease-out);
  --tr-slow: 400ms var(--ease-out);

  /* Layout */
  --container-max: 1200px;
  --container-px:  var(--sp-3);
  --nav-height:    72px;
}

/* ────────────────────────────────────────
   3. LAYOUT HELPERS
──────────────────────────────────────── */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

/* ────────────────────────────────────────
   4. TYPOGRAPHY TOKENS
──────────────────────────────────────── */
.section-eyebrow {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--sp-2);
}
.section-eyebrow--light { color: var(--color-accent-light); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--color-text);
  margin-bottom: var(--sp-3);
}
.section-title--light { color: #fff; }

.section-desc {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 520px;
  line-height: 1.72;
}

.section-header {
  text-align: center;
  margin-bottom: var(--sp-8);
}
.section-header .section-desc {
  margin-inline: auto;
}

/* ────────────────────────────────────────
   5. BUTTONS
──────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: 14px var(--sp-4);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  transition: background-color var(--tr-base), border-color var(--tr-base),
              box-shadow var(--tr-base), transform var(--tr-base);
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; stroke-width: 2; flex-shrink: 0; }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.btn-primary:active { transform: translateY(0); box-shadow: var(--shadow-sm); }

.btn-full { width: 100%; justify-content: center; }

/* ────────────────────────────────────────
   6. NAVBAR
──────────────────────────────────────── */
.navbar {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.90);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--tr-slow);
}
.navbar.scrolled { box-shadow: var(--shadow-sm); }

.nav-container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-mark {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}
/* Amber accent corner on logo */
.logo-mark::after {
  content: '';
  position: absolute;
  bottom: -5px;
  right: -5px;
  width: 14px;
  height: 14px;
  background: var(--color-accent);
  border-radius: 3px;
  transform: rotate(45deg);
  transform-origin: center;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.logo-text strong {
  font-weight: 800;
  color: var(--color-primary);
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-link {
  padding: 8px var(--sp-2);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--tr-fast), background-color var(--tr-fast);
  text-decoration: none;
  display: block;
}
.nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-primary-10);
}

.nav-link--cta {
  background: var(--color-primary);
  color: #fff !important;
  padding: 9px var(--sp-3);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: background-color var(--tr-base), box-shadow var(--tr-base);
}
.nav-link--cta:hover {
  background: var(--color-primary-dark) !important;
  box-shadow: var(--shadow-sm);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-1);
  background: none;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--tr-base), opacity var(--tr-base);
  transform-origin: center;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ────────────────────────────────────────
   7. HERO
──────────────────────────────────────── */
.hero {
  min-height: 100vh;
  padding-top: var(--nav-height);
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

/* Subtle radial backgrounds */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 60% 70% at 15% 55%, rgba(13,79,112,0.05) 0%, transparent 100%),
    radial-gradient(ellipse 40% 40% at 85% 15%, rgba(245,148,31,0.07) 0%, transparent 100%);
  pointer-events: none;
}

.hero-container {
  flex: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: var(--sp-8);
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--sp-8) var(--container-px);
  width: 100%;
  position: relative;
  z-index: 2; /* higher than background decoration */
}

/* ── Hero Fluid Background SVG Elements ── */
.hero-fluid-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;   /* animasyonlu SVG'lerin hero dışına taşmasını engelle */
  pointer-events: none;
  z-index: 1;
}

.hero-svg-decor {
  position: absolute;
  color: var(--color-primary);
  opacity:0.05;; /* extremely subtle layout background decoration */
  pointer-events: none;
  transition: opacity var(--tr-base);
}

.hero-svg-polymer {
  width: 450px;
  height: 450px;
  top: 20%;
  left: -100px;
  animation: bg-drift 32s ease-in-out infinite alternate;
}

.hero-svg-polymer2 {
  width: 450px;
  height: 450px;
  top: 55%;
  right: 8%;
  animation: bg-drift 32s ease-in-out infinite alternate;
}

.hero-svg-decor2 {
  position: absolute;
  color: var(--color-primary);
  opacity:0.65;; /* extremely subtle layout background decoration */
  pointer-events: none;
  transition: opacity var(--tr-base);
}


.hero-svg-gear {
  width: 280px;
  height: 280px;
  bottom: 8%;
  left: 32%;
  animation: bg-rotate 45s linear infinite;
}

.hero-svg-gear2 {
  width: 280px;
  height: 280px;
  top: 20%;
  right: 15%;
  animation: bg-rotate 45s linear infinite;
}

.hero-svg-gear-small {
  width: 160px;
  height: 160px;
  bottom: 22%;
  left: calc(32% + 230px);
  color: var(--color-accent);
  opacity: 0.05;
  animation: bg-rotate-reverse 28s linear infinite;
}

.hero-svg-gear-small2 {
  width: 160px;
  height: 160px;
  top: 14%;
  right: 5%;          /* calc(20% - 235px) negatif çıkabiliyordu */
  color: var(--color-accent);
  opacity: 0.65;
  animation: bg-rotate 28s linear infinite;
}

/* ── Responsive adjustments for background SVGs ── */
@media (max-width: 1200px) {
  .hero-svg-decor2 {
    opacity: 0.22;;
  }
  .hero-svg-gear-small2 {
    opacity: 0.22;
  }
}

@media (max-width: 1024px) {
  .hero-svg-polymer, .hero-svg-polymer2 {
    width: 320px;
    height: 320px;
  }
  .hero-svg-gear, .hero-svg-gear2 {
    width: 200px;
    height: 200px;
  }
  .hero-svg-gear-small, .hero-svg-gear-small2 {
    width: 120px;
    height: 120px;
  }
  .hero-svg-decor2 {
    opacity: 0.12;;
  }
  .hero-svg-gear-small2 {
    opacity: 0.12;
  }
}

@media (max-width: 768px) {
  /* On mobile, hide the ones that overflow heavy text elements */
  .hero-svg-polymer2, .hero-svg-gear2, .hero-svg-gear-small2 {
    display: none;
  }
  .hero-svg-polymer {
    width: 240px;
    height: 240px;
    top: 5%;
    left: -70px;
    opacity: 0.05;;
  }
  .hero-svg-gear {
    width: 180px;
    height: 180px;
    bottom: 5%;
    left: auto;
    right: -40px;
    opacity: 0.05;;
  }
  .hero-svg-gear-small {
    width: 100px;
    height: 100px;
    bottom: 12%;
    left: auto;
    right: 90px;
    opacity: 0.05;;
  }
}

@keyframes bg-drift {
  0% {
    transform: translate(0, 0) rotate(0deg);
  }
  100% {
    transform: translate(40px, -25px) rotate(8deg);
  }
}

@keyframes bg-rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes bg-rotate-reverse {
  from { transform: rotate(0deg); }
  to { transform: rotate(-360deg); }
}

/* Badge pill */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  background: var(--color-primary-10);
  border: 1px solid var(--color-primary-20);
  color: var(--color-primary);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
}

.badge-dot {
  width: 7px;
  height: 7px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.75); }
}

/* Hero title */
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-4xl), 5.5vw, var(--text-7xl));
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: var(--sp-4);
}

.hero-title-line { display: block; }

.hero-title-accent { color: var(--color-accent); }

.hero-desc {
  font-size: clamp(var(--text-base), 1.4vw, var(--text-lg));
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 460px;
  margin-bottom: var(--sp-6);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}

.hero-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  transition: color var(--tr-fast);
  text-decoration: none;
}
.hero-phone:hover { color: var(--color-primary); }
.hero-phone svg {
  width: 18px; height: 18px;
  stroke: var(--color-accent);
  stroke-width: 2;
  flex-shrink: 0;
}

/* Hero visual / Image Card */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero-img-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border-strong);
}

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

/* Mobile Quick Info Strip */
.hero-mobile-info {
  display: none;
  flex-direction: column;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
  background: var(--color-surface-2);
  padding: var(--sp-3);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent);
}

.h-m-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

.h-m-item svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
}

.polymer-art {
  position: relative;
  width: 100%;
  max-width: 440px;
  margin-inline: auto;
}

/* Decorative rings behind SVG */
.poly-ring {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  border: 1px solid var(--color-primary-10);
}
.poly-ring-1 {
  width: 380px; height: 380px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: ring-spin 25s linear infinite;
}
.poly-ring-2 {
  width: 280px; height: 280px;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border-color: var(--color-accent-10);
  animation: ring-spin 18s linear infinite reverse;
}

@keyframes ring-spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.polymer-svg {
  position: relative;
  z-index: 2;
  width: 100%;
  height: auto;
  animation: poly-float 7s ease-in-out infinite;
  filter: drop-shadow(0 20px 40px rgba(13,79,112,0.18));
}

@keyframes poly-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-14px); }
}

/* Atom animations */
.poly-atom-2 {
  animation: atom-pulse-2 4s ease-in-out infinite alternate;
}
.poly-atom-3 {
  animation: atom-pulse-3 3s ease-in-out infinite alternate;
}

@keyframes atom-pulse-2 {
  from { opacity: 0.55; }
  to   { opacity: 0.95; }
}
@keyframes atom-pulse-3 {
  from { r: 14; opacity: 0.5; }
  to   { r: 17; opacity: 0.95; }
}

/* Ticker at bottom of hero */
.hero-ticker {
  background: var(--color-primary);
  overflow: hidden;
  padding: var(--sp-2) 0;
  flex-shrink: 0;
}

.ticker-track {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  white-space: nowrap;
  animation: ticker-scroll 36s linear infinite;
}
.ticker-track:hover { animation-play-state: paused; }

.ticker-track span {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.10em;
  color: rgba(255,255,255,0.65);
}

.ticker-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent) !important;
  display: inline-block;
  flex-shrink: 0;
  letter-spacing: 0;
}

@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ────────────────────────────────────────
   8. STATS BAR
──────────────────────────────────────── */
.stats-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--sp-8) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}

.stat-item {
  text-align: center;
  position: relative;
  padding: var(--sp-2) 0;
}

/* Vertical dividers between stats */
.stat-item + .stat-item::before {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--color-border);
}

.stat-number-wrap {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
  margin-bottom: 6px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  display: inline;
  font-variant-numeric: tabular-nums;
}

.stat-suffix {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.stat-label {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
  line-height: 1.4;
}

/* ────────────────────────────────────────
   9. ABOUT
──────────────────────────────────────── */
.about {
  padding: var(--sp-12) 0;
  background: var(--color-bg);
}

/* Asymmetric: 5 cols visual, 7 cols content */
.about-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--sp-8);
  align-items: center;
}

/* Visual stack */
.about-visual {
  position: relative;
  overflow: hidden;   /* about-badge-tag ve year-card taşmasını engelle */
  padding: 20px 20px 20px 20px; /* absolute badge/card için nefes payı */
  overflow: visible; /* içerik görünsün, ama sarmalayan container klipleyecek */
}

.about-image-block {
  position: relative;
}

.about-img-bg {
  background: linear-gradient(140deg, var(--color-primary-dark) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-xl);
  /* aspect-ratio: 4 / 3; */
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

/* Decorative circle inside the card */
.about-img-bg::before {
  content: '';
  position: absolute;
  top: -25%;
  right: -15%;
  width: 65%;
  padding-bottom: 65%;
  background: rgba(245, 148, 31, 0.14);
  border-radius: 50%;
}

.about-img-bg::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -15%;
  width: 50%;
  padding-bottom: 50%;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}

.about-img-bg > i { position: relative; z-index: 1; }
.about-img-bg svg {
  width: 72px; height: 72px;
  color: rgba(255,255,255,0.35);
  stroke-width: 1;
}

/* Year card — overlaps top-left */
.about-year-card {
  position: absolute;
  top: -20px;
  left: -20px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--sp-2) var(--sp-3);
  box-shadow: var(--shadow-lg);
  z-index: 3;
  border: 1px solid var(--color-border);
}
.year-number {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}
.year-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* Badge tag — overlaps bottom-right */
.about-badge-tag {
  position: absolute;
  bottom: 20px;
  right: 0;           /* -16px yerine 0 ile taşmayı önle */
  background: var(--color-accent);
  color: #fff;
  padding: 10px var(--sp-2);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow-md);
  z-index: 3;
  white-space: nowrap;
}
.about-badge-tag svg { width: 14px; height: 14px; stroke-width: 2; }

/* Content */
.about-text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--sp-3);
}
.about-text strong { color: var(--color-text); font-weight: 600; }

.about-features {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-bottom: var(--sp-6);
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
  line-height: 1.5;
}
.about-feature svg {
  width: 18px; height: 18px;
  color: var(--color-accent);
  stroke-width: 2;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ────────────────────────────────────────
   10. PRODUCTS
──────────────────────────────────────── */
.products {
  padding: var(--sp-12) 0;
  background: var(--color-surface);
}

/* 3 columns on desktop, featured card spans 2 */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-3);
}

/* ── Shared card ── */
.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;          /* vertical stack: image → info */
  overflow: hidden;
  transition: border-color var(--tr-base), box-shadow var(--tr-base), transform var(--tr-base);
  position: relative;
}

.product-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
}

/* ── Product image wrap (Except featured card) ── */
.product-img-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;           /* explicit aspect ratio to make it landscape/narrower */
  overflow: hidden;
  background: var(--color-surface-2);
  position: relative;
  flex-shrink: 0;
}

.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--tr-slow);
}

.product-card:hover .product-img-wrap img {
  transform: scale(1.06);
}

/* ── Overlay tag on featured image ── */
.product-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,79,112,0.60) 0%, transparent 55%);
  display: flex;
  align-items: flex-end;
  padding: var(--sp-2);
}

/* ── Product info text ── */
.product-info {
  padding: var(--sp-3);
  flex: 1;
}

.product-code {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 6px;
  line-height: 1.4;
}

.product-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--sp-1);
  line-height: 1.3;
}

.product-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ── Product tag badge ── */
.product-tag {
  display: inline-flex;
  align-items: center;
  background: var(--color-accent);
  color: #fff;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ── Featured card: spans 2 cols, taller image ── */
.product-card--featured {
  grid-column: span 2;
}

.product-img-wrap--featured {
  height: 280px;
}

/* ────────────────────────────────────────
   11. NEDEN BİZ (WHY US) — Dark section
──────────────────────────────────────── */
.why-us {
  padding: var(--sp-12) 0;
  background: var(--color-dark-bg);
  position: relative;
  overflow: hidden;
}

/* Ambient glow */
.why-us::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245,148,31,0.07) 0%, transparent 60%);
  pointer-events: none;
}
.why-us::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(13,79,112,0.3) 0%, transparent 60%);
  pointer-events: none;
}

/* Asymmetric 2-col: 2fr header | 3fr features */
.why-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: var(--sp-8);
  align-items: flex-start;
}

.why-sub {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.45);
  line-height: 1.7;
  margin-top: var(--sp-3);
}

.why-features {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.why-feature {
  display: flex;
  gap: var(--sp-3);
  padding: var(--sp-4);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  transition: background-color var(--tr-base), border-color var(--tr-base),
              transform var(--tr-base);
}
.why-feature:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(245,148,31,0.25);
  transform: translateX(4px);
}

.why-icon-wrap {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: rgba(245,148,31,0.14);
  border-radius: var(--radius-md);
  border: 1px solid rgba(245,148,31,0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.why-icon-wrap svg {
  width: 22px; height: 22px;
  color: var(--color-accent);
  stroke-width: 1.5;
}

.why-content h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.3;
}
.why-content p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  line-height: 1.75;
}

/* ────────────────────────────────────────
   12. CONTACT
──────────────────────────────────────── */
.contact {
  padding: var(--sp-12) 0;
  background: var(--color-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--sp-8);
  margin-bottom: var(--sp-8);
  align-items: flex-start;
}

/* Info column */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.contact-item {
  display: flex;
  gap: var(--sp-3);
  align-items: flex-start;
}

.contact-icon-wrap {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: var(--color-primary-10);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-primary-15);
}
.contact-icon-wrap svg {
  width: 20px; height: 20px;
  color: var(--color-primary);
  stroke-width: 1.5;
}

.contact-detail strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}
.contact-detail address,
.contact-detail a,
.contact-detail span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}
.contact-detail a:hover { color: var(--color-primary); }

.contact-hours-card {
  display: flex;
  gap: var(--sp-3);
  align-items: flex-start;
  padding: var(--sp-3);
  background: var(--color-primary-10);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent);
  margin-top: var(--sp-1);
}
.contact-hours-card svg {
  width: 20px; height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
  stroke-width: 1.5;
  margin-top: 2px;
}
.contact-hours-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}
.contact-hours-card span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Form */
.contact-form-wrap {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--sp-6);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.contact-form { display: flex; flex-direction: column; gap: var(--sp-3); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group--full { width: 100%; }

.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}
.form-group label span { color: var(--color-accent); }

.form-group input,
.form-group select,
.form-group textarea {
  padding: 11px var(--sp-2);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--tr-fast), box-shadow var(--tr-fast),
              background-color var(--tr-fast);
  outline: none;
  resize: vertical;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-10);
  background: var(--color-surface);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-light);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%234D6880' stroke-width='1.5' viewBox='0 0 24 24'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
  cursor: pointer;
}

/* Map */
.map-container {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  height: 380px;
}
.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* ────────────────────────────────────────
   13. FOOTER
──────────────────────────────────────── */
.footer {
  background: var(--color-dark-bg);
  color: rgba(255,255,255,0.65);
  padding: var(--sp-8) 0 var(--sp-4);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 2fr;
  gap: var(--sp-8);
  padding-bottom: var(--sp-8);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: var(--sp-4);
}

.footer-brand .nav-logo {
  margin-bottom: var(--sp-3);
}
.footer-logo-text { color: rgba(255,255,255,0.85); }
.footer-logo-text strong { color: #fff; }

.footer-brand p {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: rgba(255,255,255,0.45);
}

.footer h4 {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
}

.footer-nav ul,
.footer-products ul {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.footer-nav a,
.footer-products li {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  transition: color var(--tr-fast);
  line-height: 1.5;
}
.footer-nav a:hover { color: var(--color-accent-light); }

.footer-contact address {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  line-height: 1.85;
}
.footer-contact address p { margin-bottom: 2px; }
.footer-contact a:hover { color: var(--color-accent-light); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.28);
}

.footer-est {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.10em;
  color: rgba(255,255,255,0.20) !important;
}

/* ────────────────────────────────────────
   14. RESPONSIVE — Tablet (≤ 1024px)
──────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-6);
  }

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

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-card--featured { grid-column: span 2; }
  .product-img-wrap--featured { height: 260px; }

  .why-grid { grid-template-columns: 1fr; gap: var(--sp-6); }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(3)::before { display: none; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--sp-6); }

  .contact-grid { grid-template-columns: 1fr; gap: var(--sp-6); }
  .contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-hours-card { grid-column: span 2; }
}

/* ────────────────────────────────────────
   15. RESPONSIVE — Mobile (≤ 768px)
──────────────────────────────────────── */
@media (max-width: 768px) {
  :root { --container-px: var(--sp-2); }

  /* Mobile nav */
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    flex-direction: column;
    align-items: stretch;
    padding: var(--sp-2);
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--color-border);
    /* Hidden by default */
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--tr-base), opacity var(--tr-base);
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav-toggle { display: flex; }
  .nav-link { padding: 12px var(--sp-2); }
  .nav-link--cta { text-align: center; }

  /* ─── MOBILE HERO: hide animation, full-width content ─── */
  .hero-container {
    grid-template-columns: 1fr;        /* single column */
    padding: var(--sp-6) var(--container-px);
    gap: 0;
  }
  /* Hide polymer animation entirely on mobile */
  .hero-visual {
    display: none;
  }
  /* Hero content fills full width */
  .hero-content {
    max-width: 100%;
  }
  .hero-desc {
    max-width: 100%;
  }
  .hero-title {
    font-size: clamp(var(--text-3xl), 9vw, var(--text-5xl));
  }
  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-3);
  }
  /* Mobile hero quick-info strip */
  .hero-mobile-info {
    display: flex !important;          /* visible only on mobile */
  }

  /* Stats */
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item:nth-child(2)::before { display: block; }
  .stat-item:nth-child(3)::before,
  .stat-item:nth-child(4)::before { display: none; }

  /* About */
  .about-grid { grid-template-columns: 1fr; }
  .about-year-card { top: -16px; left: var(--sp-3); }
  .about-badge-tag { right: var(--sp-3); }

  /* Products: 1 column on mobile */
  .products-grid { grid-template-columns: 1fr; }
  .product-card--featured { grid-column: span 1; }
  .product-img-wrap--featured { height: 220px; }
  .product-img-wrap { height: 180px; }

  /* Why */
  .why-grid { grid-template-columns: 1fr; }

  /* Contact */
  .contact-info {
    display: flex;
    flex-direction: column;
  }
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: var(--sp-6); }
  .footer-bottom { flex-direction: column; gap: var(--sp-1); text-align: center; }
}

/* ────────────────────────────────────────
   16. RESPONSIVE — Small (≤ 480px)
──────────────────────────────────────── */
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .contact-form-wrap { padding: var(--sp-4); }
  .map-container { height: 260px; }
}

/* ────────────────────────────────────────
   17. ACCESSIBILITY
──────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ────────────────────────────────────────
   18. GOOGLE REVIEWS SLIDER STYLES
──────────────────────────────────────── */
.reviews-section {
  padding: var(--sp-12) 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.reviews-slider-container {
  position: relative;
  max-width: 1200px;
  margin-inline: auto;
  overflow: hidden;
  padding: var(--sp-4) var(--sp-2);
}

.reviews-track {
  display: flex;
  gap: 24px;                        /* gap between slides */
  transition: transform var(--tr-base);
  will-change: transform;
  cursor: grab;
}

.reviews-track:active {
  cursor: grabbing;
}

.review-slide {
  /* Default: 1 slide per view on mobile */
  width: 100% !important;
  min-width: 100% !important;
  flex-shrink: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  user-select: none;
}

/* Tablet: 2 slides per view */
@media (min-width: 768px) {
  .review-slide {
    width: calc((100% - 24px) / 2) !important;
    min-width: calc((100% - 24px) / 2) !important;
  }
}

/* Desktop: 3 slides per view */
@media (min-width: 1024px) {
  .review-slide {
    width: calc((100% - 48px) / 3) !important;
    min-width: calc((100% - 48px) / 3) !important;
  }
}


.review-header {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-10);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
}

.review-meta h4 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
}

.review-stars {
  color: #F1C40F;
  font-size: var(--text-sm);
  letter-spacing: 2px;
  margin-top: 4px;
}

.review-text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  font-style: italic;
}

.review-date {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  font-weight: 500;
  align-self: flex-start;
}

/* Slider Controls */
.reviews-controls {
  display: flex;
  justify-content: center;
  gap: var(--sp-3);
  margin-top: var(--sp-4);
}

.reviews-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--tr-fast);
  cursor: pointer;
}
.reviews-btn:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  transform: scale(1.05);
}
.reviews-btn:active {
  transform: scale(0.95);
}
.reviews-btn svg {
  width: 20px;
  height: 20px;
  stroke-width: 2;
}

/* Nav Logo Image style */
.logo-img {
  height: 56px;
  width: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

/* Hide reviews on very small screens / make responsive */
@media (max-width: 480px) {
  .review-slide {
    padding: var(--sp-4);
  }
  .review-text {
    font-size: var(--text-sm);
  }

}