/* ==========================================================================
   MERCANSAN - Endüstriyel & Kurumsal Tasarım Sistemi
   Resmi Renk Paleti:
   #173C2B — Endüstriyel koyu yeşil (Ana renk)
   #3F583A — Zeytin / ikincil yeşil (Destekleyici renk)
   #1C1F1D — Grafit siyah (Başlıklar, koyu alanlar, zemin)
   #8A908B — Çelik gri (İkincil metinler / nötr alanlar)
   ========================================================================== */

/* --- Custom Properties / Design Tokens --- */
:root {
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Resmi Marka Renkleri */
  --brand-primary: #173C2B;        /* Endüstriyel Koyu Yeşil */
  --brand-secondary: #3F583A;      /* Zeytin / İkincil Yeşil */
  --brand-graphite: #1C1F1D;       /* Grafit Siyah */
  --brand-steel-grey: #8A908B;     /* Çelik Gri */

  /* Destekleyici Endüstriyel Vurgular */
  --brand-mint-bright: #52B788;    /* Canlı Zümrüt Vurgu */
  --brand-sage-light: #74C69D;     /* Açık Adaçayı Vurgu */
  --brand-emerald-active: #2D6A4F; /* Canlı Endüstriyel Yeşil */
  --brand-graphite-dark: #121513;  /* Derin Zemin */

  /* Yüzeyler (Surfaces) */
  --bg-dark: #141715;
  --bg-surface-1: rgba(28, 31, 29, 0.88);
  --bg-surface-2: rgba(23, 60, 43, 0.35);
  --bg-surface-glass: rgba(138, 144, 139, 0.05);
  --bg-surface-hover: rgba(63, 88, 58, 0.2);

  /* Kenarlıklar (Borders) */
  --border-light: rgba(138, 144, 139, 0.16);
  --border-glow: rgba(82, 183, 136, 0.4);
  --border-card: rgba(138, 144, 139, 0.22);
  --border-active: #3F583A;

  /* Metin Renkleri */
  --text-primary: #F4F6F4;
  --text-secondary: #8A908B;
  --text-muted: #666C67;
  --text-graphite: #1C1F1D;

  /* Degradeler (Gradients) */
  --gradient-primary: linear-gradient(135deg, #52B788 0%, #3F583A 50%, #173C2B 100%);
  --gradient-btn: linear-gradient(135deg, #2D6A4F 0%, #173C2B 100%);
  --gradient-card: linear-gradient(145deg, rgba(63, 88, 58, 0.1) 0%, rgba(28, 31, 29, 0.95) 100%);
  --gradient-glow: radial-gradient(circle at center, rgba(39, 90, 62, 0.25) 0%, transparent 70%);

  /* Gölgeler (Shadows) */
  --shadow-sm: 0 4px 14px rgba(18, 21, 19, 0.4);
  --shadow-lg: 0 20px 45px -12px rgba(18, 21, 19, 0.7);
  --shadow-glow: 0 0 35px rgba(23, 60, 43, 0.45);
  --shadow-accent-sm: 0 0 16px rgba(82, 183, 136, 0.3);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Geçişler */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.18s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Base & Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Ambient Interactive Canvas & Background Glow --- */
#ambient-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.blob-wrapper {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.glow-blob {
  position: absolute;
  filter: blur(120px);
  opacity: 0.35;
  border-radius: 50%;
  will-change: transform;
}

.blob-1 {
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, #173C2B, #2D6A4F, transparent 70%);
  top: -10%;
  right: -5%;
  animation: floatOrb 24s infinite alternate ease-in-out;
}

.blob-2 {
  width: 620px;
  height: 620px;
  background: radial-gradient(circle, #3F583A, #173C2B, transparent 70%);
  bottom: -15%;
  left: -10%;
  animation: floatOrb 28s infinite alternate-reverse ease-in-out;
}

.blob-3 {
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, #2D6A4F, #52B788, transparent 70%);
  top: 40%;
  left: 28%;
  opacity: 0.2;
  animation: floatOrb 20s infinite alternate ease-in-out;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-35px, 30px) scale(1.08); }
  100% { transform: translate(30px, -25px) scale(0.95); }
}

.noise-overlay {
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.025'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 2;
}

/* --- App Shell Layout --- */
.app-shell {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* --- Navigation Header --- */
.navbar {
  width: 100%;
  padding: 1.25rem 2rem;
  background: rgba(28, 31, 29, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 50;
  transition: all var(--transition-fast);
}

.nav-container {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

/* Brand Logo */
.brand-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: transform var(--transition-normal);
}

.brand-logo:hover {
  transform: translateY(-1px);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  background: linear-gradient(135deg, #ffffff 40%, var(--brand-steel-grey) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: all var(--transition-fast);
}

.brand-logo:hover .brand-name {
  background: linear-gradient(135deg, #ffffff 30%, var(--brand-mint-bright) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 20px rgba(82, 183, 136, 0.4);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Status Badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.4rem 0.95rem;
  background: rgba(23, 60, 43, 0.4);
  border: 1px solid rgba(82, 183, 136, 0.35);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--brand-mint-bright);
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--brand-mint-bright);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--brand-mint-bright);
  animation: pulseDot 2s infinite cubic-bezier(0.4, 0, 0.6, 1);
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.55; }
}

/* Language Switcher */
.lang-switch-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.9rem;
  background: var(--bg-surface-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-switch-btn:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-glow);
  color: var(--brand-mint-bright);
}

/* Contact Button */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.1rem;
  background: rgba(23, 60, 43, 0.3);
  border: 1px solid rgba(82, 183, 136, 0.35);
  border-radius: var(--radius-full);
  color: var(--brand-mint-bright);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-ghost:hover {
  background: var(--brand-primary);
  border-color: var(--brand-mint-bright);
  box-shadow: var(--shadow-accent-sm);
  transform: translateY(-1px);
}

/* --- Main Layout Grid --- */
.main-wrapper {
  flex: 1;
  max-width: 1300px;
  width: 100%;
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
}

.content-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
}

/* --- Hero Info Column --- */
.hero-info {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

/* Announcement Pill */
.announcement-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.38rem 0.95rem;
  background: rgba(63, 88, 58, 0.2);
  border: 1px solid rgba(82, 183, 136, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--brand-mint-bright);
  width: fit-content;
  backdrop-filter: blur(8px);
}

.pill-icon {
  font-size: 0.95rem;
}

/* Main Heading */
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  position: relative;
}

.hero-description {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--brand-steel-grey);
  max-width: 580px;
}

/* --- Countdown Timer --- */
.countdown-section {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.section-micro-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--brand-mint-bright);
  text-transform: uppercase;
}

.countdown-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  max-width: 520px;
}

.countdown-card {
  background: var(--bg-surface-1);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: var(--radius-md);
  padding: 1rem 0.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.countdown-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(138, 144, 139, 0.3), transparent);
}

.countdown-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-glow);
}

.countdown-card.highlight-card {
  border-color: rgba(82, 183, 136, 0.45);
  background: linear-gradient(145deg, rgba(23, 60, 43, 0.45), rgba(28, 31, 29, 0.95));
}

.countdown-card.highlight-card::before {
  background: linear-gradient(90deg, transparent, var(--brand-mint-bright), transparent);
}

.countdown-value {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 2.8vw, 2.5rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
  margin-bottom: 0.35rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.countdown-card.highlight-card .countdown-value {
  color: var(--brand-mint-bright);
  text-shadow: 0 0 15px rgba(82, 183, 136, 0.4);
}

.countdown-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--brand-steel-grey);
}

/* --- Progress Section --- */
.progress-section {
  background: var(--bg-surface-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.35rem;
  max-width: 520px;
  backdrop-filter: blur(10px);
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.progress-title-wrap {
  display: flex;
  flex-direction: column;
}

.progress-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: #ffffff;
}

.progress-step {
  font-size: 0.72rem;
  color: var(--brand-mint-bright);
}

.progress-percentage {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--brand-mint-bright);
}

.progress-track {
  width: 100%;
  height: 8px;
  background: rgba(28, 31, 29, 0.9);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #173C2B, #3F583A, #52B788);
  border-radius: var(--radius-full);
  position: relative;
  transition: width 1.2s var(--ease-spring);
}

.progress-shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.35) 50%, transparent 100%);
  animation: shimmerMove 2.5s infinite;
}

@keyframes shimmerMove {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(200%); }
}

.milestones-row {
  display: flex;
  justify-content: space-between;
  margin-top: 0.75rem;
  font-size: 0.72rem;
  font-weight: 600;
}

.milestone {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.milestone.done { color: var(--brand-mint-bright); }
.milestone.active { color: #81C784; }
.milestone.pending { color: var(--brand-steel-grey); }

/* --- Newsletter Card --- */
.newsletter-card {
  background: var(--bg-surface-1);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.5rem;
  max-width: 520px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: relative;
  overflow: hidden;
}

.newsletter-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 130px;
  height: 130px;
  background: radial-gradient(circle, rgba(63, 88, 58, 0.25), transparent 70%);
  pointer-events: none;
}

.newsletter-header {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.newsletter-header i {
  color: var(--brand-mint-bright);
  font-size: 1.2rem;
  padding-top: 0.2rem;
}

.newsletter-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
}

.newsletter-subtitle {
  font-size: 0.82rem;
  color: var(--brand-steel-grey);
}

.subscribe-form {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.input-group {
  position: relative;
  display: flex;
  align-items: center;
  background: #141715;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  padding: 0.3rem 0.35rem 0.3rem 1.1rem;
  transition: all var(--transition-normal);
}

.input-group:focus-within {
  border-color: var(--brand-mint-bright);
  box-shadow: 0 0 0 3px rgba(82, 183, 136, 0.25);
}

.input-icon {
  color: var(--brand-steel-grey);
  font-size: 0.95rem;
  margin-right: 0.75rem;
  flex-shrink: 0;
}

.email-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 0.88rem;
  min-width: 0;
}

.email-input::placeholder {
  color: var(--brand-steel-grey);
}

.submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.35rem;
  background: var(--gradient-btn);
  border: 1px solid rgba(82, 183, 136, 0.4);
  border-radius: var(--radius-full);
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 14px rgba(23, 60, 43, 0.5);
}

.submit-btn:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, #3F583A 0%, #173C2B 100%);
  border-color: var(--brand-mint-bright);
  box-shadow: 0 6px 20px rgba(82, 183, 136, 0.35);
}

.submit-btn:active {
  transform: translateY(1px);
}

.form-feedback {
  font-size: 0.8rem;
  min-height: 1.2rem;
  transition: all var(--transition-fast);
  padding-left: 0.5rem;
}

.form-feedback.success {
  color: var(--brand-mint-bright);
}

.form-feedback.error {
  color: #f87171;
}

/* --- Right Column: Visual Showcase --- */
.hero-visual {
  position: relative;
}

.visual-card {
  position: relative;
  background: var(--bg-surface-1);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  overflow: visible;
  transition: transform var(--transition-normal);
}

.card-ambient-glow {
  position: absolute;
  inset: -10px;
  background: radial-gradient(circle at 50% 50%, rgba(23, 60, 43, 0.35) 0%, transparent 70%);
  border-radius: var(--radius-xl);
  pointer-events: none;
  z-index: -1;
}

.visual-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-light);
}

.mac-buttons {
  display: flex;
  gap: 6px;
}

.mac-btn {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.mac-btn.red { background-color: #ef4444; }
.mac-btn.yellow { background-color: #f59e0b; }
.mac-btn.green { background-color: var(--brand-mint-bright); }

.card-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.75rem;
  background: rgba(23, 60, 43, 0.4);
  border: 1px solid rgba(82, 183, 136, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--brand-mint-bright);
  letter-spacing: 0.08em;
}

/* Lottie Player Stage */
.lottie-container-wrapper {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 0;
  background: radial-gradient(circle at center, rgba(63, 88, 58, 0.15) 0%, transparent 70%);
  border-radius: var(--radius-lg);
  margin: 1rem 0;
}

.lottie-player {
  width: 100%;
  max-width: 440px;
  height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lottie-player svg {
  width: 100% !important;
  height: 100% !important;
  filter: drop-shadow(0 10px 25px rgba(0, 0, 0, 0.45));
}

.lottie-loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  color: var(--brand-steel-grey);
  font-size: 0.85rem;
}

.spinner {
  width: 38px;
  height: 38px;
  border: 3px solid rgba(63, 88, 58, 0.3);
  border-top-color: var(--brand-mint-bright);
  border-radius: 50%;
  animation: spin 1s infinite linear;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Floating Info Badges */
.floating-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  background: rgba(28, 31, 29, 0.92);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  z-index: 5;
  transition: transform var(--transition-normal);
}

.badge-left {
  top: 25%;
  left: -20px;
  animation: floatBob 6s infinite alternate ease-in-out;
}

.badge-right {
  bottom: 25%;
  right: -20px;
  animation: floatBob 7s infinite alternate-reverse ease-in-out 1s;
}

@keyframes floatBob {
  0% { transform: translateY(0); }
  100% { transform: translateY(-10px); }
}

.badge-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(23, 60, 43, 0.5);
  color: var(--brand-mint-bright);
  display: grid;
  place-items: center;
  font-size: 0.95rem;
  flex-shrink: 0;
  border: 1px solid rgba(82, 183, 136, 0.3);
}

.badge-icon.shield {
  background: rgba(63, 88, 58, 0.5);
  color: #A3D9A5;
}

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

.badge-title {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  color: #ffffff;
}

.badge-sub {
  font-size: 0.68rem;
  color: var(--brand-steel-grey);
}

/* Lottie Controls Bar */
.lottie-controls {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}

.control-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.9rem;
  background: var(--bg-surface-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  color: var(--brand-steel-grey);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.control-btn:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-glow);
  color: var(--brand-mint-bright);
}

/* --- Contact & Social Section --- */
.contact-section {
  margin-top: 5rem;
  padding-top: 3.5rem;
  border-top: 1px solid var(--border-light);
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 2.5rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.5vw, 2.1rem);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.section-desc {
  font-size: 0.95rem;
  color: var(--brand-steel-grey);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2.5rem;
  width: 100%;
}

.info-card {
  background: var(--bg-surface-1);
  border: 1px solid var(--border-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  position: relative;
  transition: all var(--transition-normal);
  min-width: 0;
}

.info-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-glow);
  box-shadow: 0 12px 28px rgba(18, 21, 19, 0.5);
}

.info-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
}

.info-card-icon-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  flex: 1;
}

.info-card-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.phone-icon {
  background: rgba(23, 60, 43, 0.45);
  color: var(--brand-mint-bright);
  border: 1px solid rgba(82, 183, 136, 0.25);
}

.email-icon {
  background: rgba(63, 88, 58, 0.4);
  color: #A3D9A5;
  border: 1px solid rgba(138, 144, 139, 0.25);
}

.whatsapp-icon {
  background: rgba(37, 211, 102, 0.15);
  color: #25d366;
  border: 1px solid rgba(37, 211, 102, 0.3);
}

.loc-icon {
  background: rgba(23, 60, 43, 0.35);
  color: #81C784;
  border: 1px solid rgba(82, 183, 136, 0.25);
}

.info-title {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--brand-steel-grey);
  text-transform: uppercase;
  line-height: 1.25;
}

.info-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  width: 100%;
  min-width: 0;
}

.info-link {
  font-family: var(--font-display);
  font-size: clamp(0.92rem, 1.15vw, 1.05rem);
  font-weight: 600;
  color: #ffffff;
  text-decoration: none;
  white-space: normal;
  word-break: break-word;
  overflow-wrap: anywhere;
  line-height: 1.35;
  margin: 0;
  transition: color var(--transition-fast);
}

.info-link:hover {
  color: var(--brand-mint-bright);
}

.info-sub {
  font-size: 0.75rem;
  color: var(--brand-steel-grey);
  line-height: 1.3;
}

.copy-btn, .card-action-btn {
  background: rgba(138, 144, 139, 0.08);
  border: 1px solid var(--border-light);
  color: var(--brand-steel-grey);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.copy-btn:hover, .card-action-btn:hover {
  background: var(--bg-surface-hover);
  color: var(--brand-mint-bright);
  border-color: var(--border-glow);
  transform: scale(1.06);
}

/* Social Wrapper */
.social-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.social-label {
  font-size: 0.85rem;
  color: var(--brand-steel-grey);
}

.social-links {
  display: flex;
  gap: 0.85rem;
}

.social-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-surface-glass);
  border: 1px solid var(--border-card);
  display: grid;
  place-items: center;
  color: var(--brand-steel-grey);
  font-size: 1rem;
  text-decoration: none;
  transition: all var(--transition-normal);
}

.social-btn:hover {
  background: var(--brand-primary);
  border-color: var(--brand-mint-bright);
  color: #ffffff;
  transform: translateY(-3px) scale(1.08);
  box-shadow: 0 6px 18px rgba(23, 60, 43, 0.5);
}

/* --- Footer --- */
.app-footer {
  border-top: 1px solid var(--border-light);
  padding: 1.5rem 2rem;
  background: rgba(20, 23, 21, 0.95);
  font-size: 0.82rem;
  color: var(--brand-steel-grey);
}

.footer-container {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

/* --- Contact Modal --- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(18, 21, 19, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: grid;
  place-items: center;
  padding: 1.5rem;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: #1C1F1D;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  max-width: 520px;
  width: 100%;
  padding: 2rem;
  box-shadow: var(--shadow-lg), 0 0 50px rgba(23, 60, 43, 0.4);
  transform: translateY(20px) scale(0.96);
  transition: transform var(--transition-normal);
}

.modal-backdrop.open .modal-card {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.modal-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: rgba(23, 60, 43, 0.5);
  border: 1px solid rgba(82, 183, 136, 0.3);
  color: var(--brand-mint-bright);
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
}

.modal-sub {
  font-size: 0.8rem;
  color: var(--brand-steel-grey);
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--brand-steel-grey);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.4rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.modal-close-btn:hover {
  color: #ffffff;
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.field-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field-wrap label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--brand-steel-grey);
}

.field-wrap input,
.field-wrap textarea,
.field-wrap select {
  background: #141715;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 0.7rem 0.9rem;
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 0.88rem;
  outline: none;
  transition: all var(--transition-fast);
}

.field-wrap select {
  cursor: pointer;
}

.field-wrap select option {
  background: #1c1f1d;
  color: #ffffff;
  padding: 0.5rem;
}

.field-wrap input:focus,
.field-wrap textarea:focus,
.field-wrap select:focus {
  border-color: var(--brand-mint-bright);
  box-shadow: 0 0 0 3px rgba(82, 183, 136, 0.25);
}

.field-wrap textarea {
  resize: vertical;
}

.modal-actions {
  margin-top: 0.5rem;
}

.modal-submit-btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem;
  background: var(--gradient-btn);
  border: 1px solid rgba(82, 183, 136, 0.4);
  border-radius: var(--radius-md);
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 15px rgba(23, 60, 43, 0.5);
}

.modal-submit-btn:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, #3F583A 0%, #173C2B 100%);
  border-color: var(--brand-mint-bright);
  box-shadow: 0 6px 22px rgba(82, 183, 136, 0.35);
}

.modal-feedback {
  font-size: 0.85rem;
  text-align: center;
  min-height: 1.2rem;
}

.modal-feedback.success { color: var(--brand-mint-bright); }
.modal-feedback.error { color: #f87171; }

/* --- Toast Container --- */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 200;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  background: rgba(28, 31, 29, 0.96);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(18, 21, 19, 0.6);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: #ffffff;
  font-size: 0.88rem;
  animation: toastIn 0.35s var(--ease-spring) forwards;
}

.toast.toast-out {
  animation: toastOut 0.25s ease forwards;
}

.toast i {
  color: var(--brand-mint-bright);
  font-size: 1.1rem;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(20px) scale(0.9); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateY(0) scale(1); }
  to { opacity: 0; transform: translateY(20px) scale(0.9); }
}

/* ==========================================================================
   Responsive Breakpoints & Mobile Optimization
   ========================================================================== */
@media (max-width: 1024px) {
  .content-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.85rem;
  }

  .hero-info {
    display: contents;
  }

  .announcement-pill {
    order: 1;
    margin: 0 auto;
  }

  .hero-title {
    order: 2;
    text-align: center;
  }

  .hero-description {
    order: 3;
    text-align: center;
    margin: 0 auto;
  }

  /* Animasyon artık mobilde tam olarak 'Daha İyisini İnşa Ediyoruz' yazısının hemen altında yer alır */
  .hero-visual {
    order: 4;
    width: 100%;
    max-width: 560px;
    margin: 0.25rem auto;
  }

  .countdown-section {
    order: 5;
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
  }

  .progress-section {
    order: 6;
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
  }

  .newsletter-card {
    order: 7;
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
  }

  .milestones-row {
    font-size: 0.68rem;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 0.85rem 1rem;
  }

  .brand-name {
    font-size: 1.25rem;
    letter-spacing: 0.08em;
  }

  .header-actions {
    gap: 0.45rem;
  }

  .status-badge {
    display: none;
  }

  .lang-switch-btn {
    padding: 0.35rem 0.65rem;
    font-size: 0.76rem;
  }

  .btn-ghost.contact-btn {
    padding: 0.35rem 0.75rem;
    font-size: 0.76rem;
  }

  .main-wrapper {
    padding: 1.25rem 1rem 3rem;
  }

  .content-grid {
    gap: 2rem;
  }

  .announcement-pill {
    font-size: 0.68rem;
    padding: 0.3rem 0.75rem;
  }

  .hero-title {
    font-size: clamp(1.85rem, 8vw, 2.35rem);
    line-height: 1.18;
    margin-bottom: 0.25rem;
  }

  /* Mobilde açıklama yazısı gizlenir */
  .hero-description {
    display: none !important;
  }

  /* Mobile Visual Showcase Card */
  .visual-card {
    padding: 1rem 0.85rem;
    border-radius: var(--radius-lg);
    max-width: 100%;
  }

  .visual-top-bar {
    padding-bottom: 0.65rem;
  }

  .card-chip {
    font-size: 0.65rem;
    padding: 0.25rem 0.6rem;
  }

  .lottie-container-wrapper {
    min-height: 190px;
    height: 200px;
    padding: 0;
    margin: 0.5rem 0;
  }

  .lottie-player {
    height: 190px;
    max-width: 250px;
    margin: 0 auto;
  }

  .floating-badge {
    display: none;
  }

  .lottie-controls {
    padding-top: 0.65rem;
    gap: 0.4rem;
  }

  .control-btn {
    padding: 0.35rem 0.65rem;
    font-size: 0.72rem;
    gap: 0.35rem;
  }

  /* Mobile Countdown Section */
  .countdown-section {
    width: 100%;
    align-items: center;
  }

  .countdown-grid {
    width: 100%;
    max-width: 100%;
    gap: 0.45rem;
  }

  .countdown-card {
    padding: 0.65rem 0.15rem;
    border-radius: var(--radius-sm);
  }

  .countdown-value {
    font-size: clamp(1.4rem, 6vw, 1.7rem);
    margin-bottom: 0.15rem;
  }

  .countdown-label {
    font-size: 0.58rem;
    letter-spacing: 0.08em;
  }

  /* Mobile Progress Bar */
  .progress-section {
    width: 100%;
    max-width: 100%;
    padding: 1rem 1.1rem;
  }

  .progress-header {
    margin-bottom: 0.6rem;
  }

  .progress-label {
    font-size: 0.8rem;
  }

  .progress-step {
    font-size: 0.68rem;
  }

  .progress-percentage {
    font-size: 1.05rem;
  }

  .progress-track {
    height: 7px;
  }

  .milestones-row {
    font-size: 0.64rem;
    gap: 0.2rem;
  }

  .milestone {
    gap: 0.2rem;
  }

  /* Mobile Newsletter Ergonomics */
  .newsletter-card {
    width: 100%;
    max-width: 100%;
    padding: 1.15rem;
  }

  .newsletter-header {
    gap: 0.65rem;
    margin-bottom: 0.85rem;
  }

  .newsletter-title {
    font-size: 0.98rem;
  }

  .newsletter-subtitle {
    font-size: 0.78rem;
  }

  .input-group {
    flex-direction: column;
    border-radius: var(--radius-md);
    padding: 0.45rem;
    gap: 0.5rem;
    background: #121513;
    border-color: rgba(138, 144, 139, 0.25);
  }

  .input-icon {
    display: none;
  }

  .email-input {
    width: 100%;
    padding: 0.65rem 0.75rem;
    font-size: 0.92rem;
    text-align: center;
  }

  .submit-btn {
    width: 100%;
    justify-content: center;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    border-radius: var(--radius-md);
  }

  /* Mobile Contact Cards */
  .contact-section {
    margin-top: 3.5rem;
    padding-top: 2.5rem;
  }

  .section-title {
    font-size: 1.45rem;
  }

  .section-desc {
    font-size: 0.85rem;
    margin-bottom: 1.75rem;
  }

  .cards-grid {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .info-card {
    padding: 1.1rem 1.15rem;
    gap: 0.75rem;
  }

  .info-card-icon {
    width: 38px;
    height: 38px;
    font-size: 0.98rem;
  }

  .info-title {
    font-size: 0.7rem;
  }

  .info-link {
    font-size: 0.98rem;
  }

  .info-sub {
    font-size: 0.72rem;
  }

  .copy-btn, .card-action-btn {
    width: 34px;
    height: 34px;
    min-width: 34px;
  }

  .social-links {
    gap: 0.65rem;
  }

  .social-btn {
    width: 40px;
    height: 40px;
    font-size: 0.92rem;
  }

  /* Mobile Modal */
  .modal-backdrop {
    padding: 0.75rem;
  }

  .modal-card {
    padding: 1.35rem 1.15rem;
    border-radius: var(--radius-lg);
    max-height: 92vh;
    overflow-y: auto;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .field-wrap input,
  .field-wrap textarea,
  .field-wrap select {
    padding: 0.65rem 0.8rem;
    font-size: 0.85rem;
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
}