/* ═══════════════════════════════════════════════
   ButiKahve — Premium Design System
   ═══════════════════════════════════════════════ */

/* ─── TOKENS ─── */
:root {
  --black: #0a0a0a;
  --charcoal: #111111;
  --surface: #141414;
  --surface-2: #1c1c1c;
  --border: rgba(255, 255, 255, 0.07);
  --border-gold: rgba(196, 160, 100, 0.3);
  --gold: #c4a064;
  --gold-light: #d4b47a;
  --gold-dim: rgba(196, 160, 100, 0.15);
  --cream: #f0e8d8;
  --stone: #8a8580;
  --text: #e8e0d4;
  --text-muted: #6e6760;
  --text-dim: #4a4540;

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, sans-serif;
  --font-body: 'EB Garamond', Georgia, serif;

  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  --nav-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--black);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  text-decoration: none;
}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: var(--black);
}

::-webkit-scrollbar-thumb {
  background: var(--gold-dim);
  border-radius: 2px;
}

/* ─── CONTAINER ─── */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ─── REVEAL ANIMATION ─── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── HERO CSS ANIMATIONS (LCP-optimized, JS bağımsız) ─── */
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-anim-1 { animation: heroFadeUp 0.8s var(--ease-out) 0.05s both; }
.hero-anim-2 { animation: heroFadeUp 0.9s var(--ease-out) 0.15s both; }
.hero-anim-3 { animation: heroFadeUp 0.8s var(--ease-out) 0.25s both; }
.hero-anim-4 { animation: heroFadeUp 0.7s var(--ease-out) 0.32s both; }
.hero-anim-5 { animation: heroFadeUp 0.8s var(--ease-out) 0.38s both; }
.hero-anim-6 { animation: heroFadeUp 0.8s var(--ease-out) 0.46s both; }


/* ═══════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background 0.4s var(--ease-out), border-color 0.4s var(--ease-out);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
}

.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 40px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.nav-logo-text {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--cream);
}

.nav-cta {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--border-gold);
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  transition: background 0.25s, color 0.25s;
}

.nav-cta:hover {
  background: var(--gold-dim);
  color: var(--gold-light);
}

/* ═══════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 65% 40%, rgba(196, 160, 100, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 30% 70%, rgba(196, 160, 100, 0.03) 0%, transparent 60%),
    linear-gradient(160deg, #0a0a0a 0%, #0e0c0a 50%, #0a0908 100%);
}

.hero-grain {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  background-size: 200px;
  pointer-events: none;
  opacity: 0.6;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 40px;
  padding-top: var(--nav-h);
}

.hero-eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 32px;
  display: block;
  transition-delay: 0.1s;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(64px, 9vw, 130px);
  font-weight: 400;
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--cream);
  margin-bottom: 36px;
  transition-delay: 0.2s;
}

.hero-title em {
  font-style: italic;
  color: var(--gold);
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 400;
  color: var(--stone);
  line-height: 1.5;
  margin-bottom: 32px;
  transition-delay: 0.25s;
}

.hero-divider {
  width: 48px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  margin-bottom: 28px;
  transition-delay: 0.3s;
}

.hero-body {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.8;
  margin-bottom: 48px;
  transition-delay: 0.35s;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--gold);
  color: var(--black);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 18px 40px;
  border-radius: var(--radius-sm);
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
  transition-delay: 0.4s;
  box-shadow: 0 0 0 0 rgba(196, 160, 100, 0);
}

.hero-btn:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(196, 160, 100, 0.2);
}

.hero-btn svg {
  flex-shrink: 0;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-dim);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--text-dim), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {

  0%,
  100% {
    opacity: 0.3;
  }

  50% {
    opacity: 1;
  }
}

/* ═══════════════════════════════════════════════
   PHILOSOPHY
   ═══════════════════════════════════════════════ */
.philosophy {
  padding: 140px 0;
  background: var(--charcoal);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  margin-bottom: 100px;
}

.section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 24px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 400;
  line-height: 1.15;
  color: var(--cream);
  letter-spacing: -0.01em;
}

.section-title em {
  font-style: italic;
  color: var(--gold);
}

.philosophy-text {
  font-family: var(--font-body);
  font-size: 18px;
  color: var(--stone);
  line-height: 1.85;
  margin-bottom: 24px;
}

.philosophy-text:last-child {
  margin-bottom: 0;
}

/* ─── PILLARS ─── */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 72px;
}
.pillar {
  background: var(--surface);
  padding: 48px 40px;
  transition: background 0.3s;
}
.pillar:hover {
  background: var(--surface-2);
}
.pillar-number {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: 400;
  color: rgba(196, 160, 100, 0.2);
  line-height: 1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.pillar-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 500;
  color: var(--cream);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.pillar-text {
  font-size: 14px;
  color: var(--stone);
  line-height: 1.8;
}

/* ═══════════════════════════════════════════════
   ADVANTAGES
   ═══════════════════════════════════════════════ */
.advantages {
  padding: 140px 0;
  background: var(--black);
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-header .section-label {
  display: block;
}

.section-header .section-title {
  margin-top: 16px;
}

.section-body {
  font-size: 16px;
  color: var(--stone);
  max-width: 560px;
  margin: 24px auto 0;
  line-height: 1.75;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.advantage-card {
  background: var(--charcoal);
  padding: 48px 40px;
  transition: background 0.3s;
}

.advantage-card:hover {
  background: var(--surface-2);
}

.advantage-icon {
  color: var(--gold);
  margin-bottom: 28px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gold-dim);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-gold);
}

.advantage-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 500;
  color: var(--cream);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.advantage-text {
  font-size: 14px;
  color: var(--stone);
  line-height: 1.75;
}

/* ═══════════════════════════════════════════════
   QUOTE
   ═══════════════════════════════════════════════ */
.quote-section {
  position: relative;
  padding: 140px 0;
  overflow: hidden;
}

.quote-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 100% 100% at 50% 50%, rgba(196, 160, 100, 0.05) 0%, transparent 70%),
    var(--charcoal);
}

.brand-quote {
  position: relative;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.brand-quote::before {
  content: '"';
  font-family: var(--font-serif);
  font-size: 180px;
  line-height: 0.8;
  color: rgba(196, 160, 100, 0.08);
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}

.brand-quote p {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 36px);
  font-style: italic;
  font-weight: 400;
  color: var(--cream);
  line-height: 1.5;
  margin-bottom: 32px;
  position: relative;
}

.brand-quote cite {
  font-size: 11px;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ═══════════════════════════════════════════════
   FORM SECTION
   ═══════════════════════════════════════════════ */
.form-section {
  padding: 140px 0;
  background: var(--black);
  border-top: 1px solid var(--border);
}

.form-card {
  max-width: 800px;
  margin: 0 auto;
  background: var(--charcoal);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 64px;
  position: relative;
  overflow: hidden;
}

.form-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-dim), transparent);
}

.franchise-form {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--stone);
}

.form-label .optional {
  font-size: 10px;
  color: var(--text-dim);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
}

.form-input {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 300;
  padding: 14px 18px;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
}

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

.form-input:hover {
  border-color: rgba(255, 255, 255, 0.14);
}

.form-input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(196, 160, 100, 0.1);
  background: var(--surface-2);
}

.form-input.error {
  border-color: rgba(220, 100, 80, 0.6);
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 7L11 1' stroke='%23635d58' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  padding-right: 44px;
  cursor: pointer;
}

.form-select option {
  background: var(--charcoal);
  color: var(--text);
}

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

.form-error {
  font-size: 12px;
  color: rgba(220, 100, 80, 0.9);
  min-height: 16px;
  display: block;
}

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 8px;
}

.form-note {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.6;
  max-width: 320px;
}

.submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--gold);
  color: var(--black);
  border: none;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 18px 40px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
  flex-shrink: 0;
  white-space: nowrap;
}

.submit-btn:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(196, 160, 100, 0.2);
}

.submit-btn:active {
  transform: translateY(0);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Success */
.form-success {
  display: none;
  text-align: center;
  padding: 60px 20px;
}

.form-success.visible {
  display: block;
}

.success-icon {
  color: var(--gold);
  margin: 0 auto 28px;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--gold-dim);
  border: 1px solid var(--border-gold);
}

.success-title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 500;
  color: var(--cream);
  margin-bottom: 12px;
}

.success-text {
  font-size: 15px;
  color: var(--stone);
}

/* ═══════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════ */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
  background: var(--charcoal);
}

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

.footer-logo {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--cream);
  display: block;
  margin-bottom: 4px;
}

.footer-tagline {
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--stone); /* #8a8580 — 4.5:1+ kontrast oranı */
  text-transform: uppercase;
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: 32px;
}

.footer-copy {
  font-size: 12px;
  color: var(--stone); /* #8a8580 — 4.5:1+ kontrast oranı */
}

.footer-admin-link {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: color 0.2s;
}

.footer-admin-link:hover {
  color: var(--gold);
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */
@media (max-width: 900px) {
  .container {
    padding: 0 24px;
  }

  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

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

  .form-card {
    padding: 40px 32px;
  }

  .form-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-inner {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }

  .footer-meta {
    flex-direction: column;
    gap: 12px;
  }
}

@media (max-width: 640px) {
  .nav-inner {
    padding: 0 20px;
  }

  .hero-content {
    padding: 0 24px;
    padding-top: var(--nav-h);
  }

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

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

  .form-card {
    padding: 32px 24px;
  }

  .hero-scroll-indicator {
    display: none;
  }
}