/* ============================================================
   NuN Yazılım — Ana Sayfa (styles.css)
   Sıcak Beyaz/Krem + Lacivert/Altın
   Playfair Display + Nunito
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;0,900;1,400&family=Nunito:wght@300;400;500;600;700&display=swap');

/* ============================================================
   RESET & ROOT
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Zemin — Sıcak Beyaz / Krem */
  --bg-0:        #f7f5f0;
  --bg-1:        #ffffff;
  --bg-2:        #f0ede6;
  --bg-3:        #e8e4db;

  /* Lacivert */
  --navy-deep:   #0f1f3d;
  --navy-mid:    #1e3a5f;
  --navy-light:  #2d5a8e;

  /* Altın */
  --gold:        #b8860b;
  --gold-mid:    #d4a017;
  --gold-light:  #f0c040;

  /* Metin */
  --text-primary:   #1a1a2e;
  --text-secondary: #5a5770;
  --text-muted:     #8a8799;

  /* Gradientler */
  --grad-brand:  linear-gradient(135deg, #0f1f3d 0%, #2d5a8e 100%);
  --grad-gold:   linear-gradient(135deg, #b8860b 0%, #f0c040 100%);
  --grad-card:   linear-gradient(145deg, #ffffff 0%, #f7f5f0 100%);

  /* Gölgeler */
  --shadow-sm:   0 2px 12px rgba(15,31,61,0.06);
  --shadow-md:   0 8px 32px rgba(15,31,61,0.1);
  --shadow-xl:   0 24px 60px rgba(15,31,61,0.13), 0 4px 16px rgba(15,31,61,0.06);

  /* Tipografi */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Nunito', sans-serif;

  /* Köşe */
  --r-sm:  6px;
  --r-md:  12px;
  --r-lg:  20px;
  --r-xl:  32px;

  /* Geçiş */
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

[data-theme="dark"] {
  /* Zemin — Koyu Lacivert/Siyah Tonları */
  --bg-0:        #0a0f1a;
  --bg-1:        #111827;
  --bg-2:        #1f2937;
  --bg-3:        #374151;

  /* Lacivert - Karanlıkta biraz daha vurgulu olması için açık haller*/
  --navy-deep:   #1e3a8a;
  --navy-mid:    #2563eb;
  --navy-light:  #60a5fa;

  /* Altın - Zıtlık için canlı altın */
  --gold:        #f59e0b;
  --gold-mid:    #fbbf24;
  --gold-light:  #fcd34d;

  /* Metin */
  --text-primary:   #f9fafb;
  --text-secondary: #d1d5db;
  --text-muted:     #9ca3af;

  /* Gradientler */
  --grad-brand:  linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
  --grad-gold:   linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  --grad-card:   linear-gradient(145deg, #111827 0%, #1f2937 100%);

  /* Gölgeler */
  --shadow-sm:   0 2px 12px rgba(0,0,0,0.5);
  --shadow-md:   0 8px 32px rgba(0,0,0,0.6);
  --shadow-xl:   0 24px 60px rgba(0,0,0,0.7), 0 4px 16px rgba(0,0,0,0.4);
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; font-size: 16px; transition: background-color 0.3s var(--ease), color 0.3s var(--ease); }

body {
  font-family: var(--font-body);
  background: var(--bg-0);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ============================================================
   ARKA PLAN — Geçişli, Grid Yok
   ============================================================ */
.site-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background: var(--bg-0);
  pointer-events: none;
  overflow: hidden;
}

.site-bg::before {
  content: '';
  position: absolute;
  top: -20%;
  left: -15%;
  width: 75vw;
  height: 75vh;
  background: radial-gradient(ellipse, rgba(45,90,142,0.09) 0%, rgba(219,234,254,0.04) 40%, transparent 70%);
  will-change: transform;
  animation: bgDrift 14s ease-in-out infinite alternate;
}

.site-bg::after {
  content: '';
  position: absolute;
  bottom: -15%;
  right: -10%;
  width: 65vw;
  height: 65vh;
  background: radial-gradient(ellipse, rgba(251,243,220,0.65) 0%, rgba(240,192,64,0.06) 45%, transparent 68%);
  will-change: transform;
  animation: bgDrift 18s ease-in-out infinite alternate-reverse;
}

@keyframes bgDrift {
  from { opacity: 0.6; transform: scale(1) translate3d(0, 0, 0); }
  to   { opacity: 1;   transform: scale(1.1) translate3d(1.5%, -1.5%, 0); }
}

/* Grid div artık gizli */
.site-bg-grid { display: none; }

/* ============================================================
   CONTAINER
   ============================================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
}

.text-center { text-align: center; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: all 0.35s var(--ease);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: var(--bg-1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: rgba(45,90,142,0.1);
  padding: 12px 0;
  box-shadow: 0 4px 24px rgba(15,31,61,0.07);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  transition: opacity 0.2s;
}

.nav-logo:hover { opacity: 0.82; }

.nav-logo img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--r-sm);
  transition: color 0.2s, background 0.2s;
  letter-spacing: 0.02em;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 14px; right: 14px;
  height: 2px;
  background: var(--grad-brand);
  transform: scaleX(0);
  transition: transform 0.25s var(--ease);
  border-radius: 2px;
}

.nav-link:hover { color: var(--navy-mid); }
.nav-link:hover::after { transform: scaleX(1); }

.nav-cta {
  font-size: 0.88rem;
  font-weight: 600;
  color: #fff;
  padding: 9px 22px;
  border-radius: 100px;
  background: var(--grad-brand);
  box-shadow: 0 4px 14px rgba(45,90,142,0.28);
  transition: transform 0.2s, box-shadow 0.2s;
  letter-spacing: 0.02em;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(45,90,142,0.38);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 1001;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}

.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobil Menü */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 900;
  background: var(--bg-0);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--ease);
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu .nav-link {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-secondary);
  padding: 12px 20px;
  width: 100%;
  text-align: center;
}

.mobile-menu .nav-link:hover { color: var(--navy-mid); }
.mobile-menu .nav-link::after { display: none; }

.mobile-menu .nav-cta {
  font-size: 1rem;
  margin-top: 10px;
}

/* ============================================================
   BUTONLAR
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: none;
  cursor: pointer;
  transition: transform 0.2s var(--ease), box-shadow 0.2s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad-brand);
  color: #fff;
  box-shadow: 0 4px 16px rgba(45,90,142,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(45,90,142,0.42);
}

.btn-gold {
  background: var(--grad-gold);
  color: #fff;
  box-shadow: 0 4px 16px rgba(184,134,11,0.3);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(184,134,11,0.42);
}

.btn-outline {
  background: transparent;
  color: var(--navy-mid);
  border: 1.5px solid rgba(15,31,61,0.18);
}

.btn-outline:hover {
  background: rgba(15,31,61,0.05);
  border-color: rgba(15,31,61,0.32);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid rgba(15,31,61,0.14);
}

.btn-ghost:hover {
  background: rgba(15,31,61,0.04);
  border-color: rgba(15,31,61,0.28);
  transform: translateY(-2px);
}

/* ============================================================
   YARDIMCI
   ============================================================ */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: rgba(184,134,11,0.1);
  border: 1px solid rgba(184,134,11,0.2);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.section-heading {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

.section-heading em {
  font-style: italic;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-sub {
  font-size: clamp(0.9rem, 1.6vw, 1.05rem);
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 580px;
}

.section-sub.centered { margin: 0 auto; }

/* Reveal — Hero içindeki elementler hariç */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* Hero içindeki reveal'lar sayfa açılışında görünür olsun */
.hero .reveal {
  opacity: 1;
  transform: none;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: clamp(120px, 15vh, 180px) clamp(20px, 5vw, 60px) clamp(80px, 10vh, 120px);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 50% at 68% 45%, rgba(45,90,142,0.08) 0%, transparent 65%),
    radial-gradient(ellipse 40% 35% at 15% 80%, rgba(251,243,220,0.55) 0%, transparent 60%);
  pointer-events: none;
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 7vw, 90px);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  display: flex;
  flex-direction: column;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  padding: 6px 16px;
  background: rgba(45,90,142,0.08);
  border: 1px solid rgba(45,90,142,0.18);
  border-radius: 100px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy-light);
  margin-bottom: 26px;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--navy-light);
  flex-shrink: 0;
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.65); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.2vw, 4.4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 22px;
}

.hero-title .accent {
  display: block;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: italic;
}

.hero-desc {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 34px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid rgba(15,31,61,0.1);
}

.stat-item { display: flex; flex-direction: column; }

.stat-number {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 900;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

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

.hero-visual img {
  width: 100%;
  max-width: 420px;
  height: auto;
  will-change: transform;
  animation: heroFloat 6s ease-in-out infinite;
}

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

/* ============================================================
   ÖZELLİKLER
   ============================================================ */
.features-section {
  padding: clamp(80px, 12vh, 130px) 0;
  background: var(--bg-1);
}

.features-header {
  margin-bottom: clamp(40px, 6vw, 60px);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.5vw, 26px);
}

.feat-card {
  padding: clamp(24px, 3.5vw, 36px);
  background: var(--grad-card);
  border: 1px solid rgba(45,90,142,0.09);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s, border-color 0.3s;
}

.feat-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.feat-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(45,90,142,0.12);
  border-color: rgba(45,90,142,0.2);
}

.feat-card:hover::after { transform: scaleX(1); }

.feat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--r-md);
  background: rgba(45,90,142,0.08);
  border: 1px solid rgba(45,90,142,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--navy-mid);
  margin-bottom: 20px;
  transition: box-shadow 0.3s;
}

.feat-card:hover .feat-icon {
  box-shadow: 0 0 16px rgba(45,90,142,0.18);
}

.feat-title {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.3;
}

.feat-desc {
  font-size: 0.87rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 18px;
}

.feat-link {
  font-size: 0.83rem;
  font-weight: 700;
  color: var(--navy-mid);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: gap 0.25s;
}

.feat-link:hover { gap: 10px; }

/* ============================================================
   ÜRÜNLER
   ============================================================ */
.products-section {
  padding: clamp(80px, 12vh, 130px) 0;
  background: var(--bg-0);
}

.product-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 7vw, 80px);
  align-items: center;
  padding: clamp(32px, 4vw, 56px);
  background: var(--bg-1);
  border: 1px solid rgba(45,90,142,0.1);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  margin-bottom: 32px;
  transition: box-shadow 0.3s, transform 0.3s;
}

.product-card:last-child { margin-bottom: 0; }

.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-gold);
}

.product-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-3px);
}

.product-content { display: flex; flex-direction: column; }

.product-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  padding: 4px 14px;
  background: rgba(184,134,11,0.1);
  border: 1px solid rgba(184,134,11,0.2);
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.product-name {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.product-name em {
  font-style: italic;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.product-desc {
  font-size: 0.96rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.product-feats {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 30px;
}

.product-feat-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.product-feat-item i {
  color: var(--navy-light);
  margin-top: 2px;
  flex-shrink: 0;
}

.product-feat-item strong { color: var(--text-primary); font-weight: 700; }

.product-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.product-mockup {
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-mockup img {
  width: 100%;
  max-width: 380px;
  height: auto;
  will-change: transform;
  animation: heroFloat 7s ease-in-out infinite;
}

/* ============================================================
   EKİP
   ============================================================ */
.team-section {
  padding: clamp(80px, 12vh, 130px) 0;
  background: #fff;
}

.team-card {
  max-width: 440px;
  margin: 0 auto;
  text-align: center;
  padding: clamp(32px, 5vw, 56px) clamp(28px, 4vw, 48px);
  background: var(--grad-card);
  border: 1px solid rgba(45,90,142,0.1);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.team-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-gold);
}

.team-avatar {
  width: 110px;
  height: 110px;
  border-radius: 50%;
  margin: 0 auto 20px;
  padding: 3px;
  background: var(--grad-brand);
  overflow: hidden;
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--bg-1);
}

.team-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.team-role {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.team-bio {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 24px;
}

.team-socials {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid rgba(45,90,142,0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.88rem;
  background: transparent;
  transition: all 0.25s var(--ease);
  cursor: pointer;
}

.social-btn:hover {
  border-color: var(--navy-mid);
  color: var(--navy-mid);
  background: rgba(45,90,142,0.08);
  transform: translateY(-2px);
}

/* ============================================================
   İLETİŞİM
   ============================================================ */
.contact-section {
  padding: clamp(80px, 12vh, 130px) 0;
  background: var(--bg-0);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: clamp(40px, 7vw, 80px);
  align-items: start;
}

.contact-info-items {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 28px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  background: #fff;
  border: 1px solid rgba(45,90,142,0.1);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.25s, box-shadow 0.25s;
}

.contact-info-item:hover {
  border-color: rgba(45,90,142,0.25);
  box-shadow: 0 6px 24px rgba(45,90,142,0.08);
}

.ci-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: var(--r-sm);
  background: rgba(45,90,142,0.08);
  border: 1px solid rgba(45,90,142,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy-mid);
  font-size: 0.95rem;
}

.ci-label {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 3px;
}

.ci-value {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
}

.contact-form-wrap {
  background: #fff;
  border: 1px solid rgba(45,90,142,0.1);
  border-radius: var(--r-xl);
  padding: clamp(28px, 4vw, 44px);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.contact-form-wrap::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-brand);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-group { margin-bottom: 14px; }

.form-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-0);
  border: 1.5px solid rgba(45,90,142,0.12);
  border-radius: var(--r-md);
  font-size: 0.9rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.form-input::placeholder { color: var(--text-muted); }

.form-input:focus {
  border-color: rgba(45,90,142,0.4);
  box-shadow: 0 0 0 3px rgba(45,90,142,0.08);
  background: #fff;
}

select.form-input { cursor: pointer; }
select.form-input option { background: #fff; color: var(--text-primary); }

textarea.form-input {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  width: 100%;
  padding: 14px;
  background: var(--grad-brand);
  color: #fff;
  border: none;
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(45,90,142,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  letter-spacing: 0.02em;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(45,90,142,0.42);
}

.btn-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

#formMessage {
  margin-top: 14px;
  text-align: center;
  font-size: 0.86rem;
  font-weight: 600;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: clamp(60px, 8vh, 90px) 0 0;
  border-top: 1px solid rgba(45,90,142,0.1);
  background: var(--navy-deep);
  color: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(40px, 6vh, 60px);
}

.footer-brand .nav-logo { margin-bottom: 14px; }

.footer-brand .nav-logo-text {
  color: #fff;
  background: none;
  -webkit-text-fill-color: #fff;
}

.footer-brand p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.75;
  max-width: 280px;
  margin-bottom: 20px;
}

.footer-socials {
  display: flex;
  gap: 8px;
}

.footer-socials .social-btn {
  border-color: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.5);
}

.footer-socials .social-btn:hover {
  border-color: rgba(255,255,255,0.5);
  color: #fff;
  background: rgba(255,255,255,0.08);
}

.footer-col h5 {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  transition: color 0.2s;
}

.footer-links a:hover { color: #fff; }

.footer-bottom {
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}

.footer-legal {
  display: flex;
  gap: 20px;
}

.footer-legal a {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  transition: color 0.2s;
}

.footer-legal a:hover { color: rgba(255,255,255,0.7); }

/* ============================================================
   RESPONSIVE — TABLET (≤ 1100px)
   ============================================================ */
@media (max-width: 1100px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-card {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .product-mockup img {
    max-width: 300px;
    margin: 0 auto;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* ============================================================
   RESPONSIVE — MOBİL (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-content { align-items: center; }
  .hero-eyebrow { align-self: center; }
  .hero-desc { max-width: 100%; }
  .hero-stats { justify-content: center; }

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

  .product-card { padding: clamp(22px, 4vw, 32px); }
  .product-content { align-items: flex-start; }

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

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

/* ============================================================
   RESPONSIVE — KÜÇÜK MOBİL (≤ 480px)
   ============================================================ */
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
  .product-actions { flex-direction: column; }
  .product-actions .btn { width: 100%; justify-content: center; }
  .hero-stats { gap: 20px; }
  .footer-legal { flex-direction: column; align-items: center; gap: 8px; }
}