/* ═══════════════════════════════════════════════════════════════
   GÖKHAN GÜLATİK — Ana Stil Dosyası
   gokhangulatik.com
   ═══════════════════════════════════════════════════════════════ */

/* ── Değişkenler ─────────────────────────────────────────────── */
:root {
  --navy:      #1A1A2E;
  --navy-mid:  #16213E;
  --gold:      #B87333;
  --gold-light:#D4904A;
  --light:     #F5F3EF;
  --white:     #FFFFFF;
  --gray:      #6B7280;
  --gray-light:#E5E7EB;
  --dark:      #0F0F1E;
  --text:      #1F2937;

  --font:      'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-serif:'Georgia', 'Times New Roman', serif;

  --max-w:     1100px;
  --radius:    8px;
  --shadow:    0 4px 24px rgba(26,26,46,0.10);
  --shadow-lg: 0 12px 48px rgba(26,26,46,0.16);

  --transition: 0.25s ease;
}

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

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

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

/* ── Yardımcı Sınıflar ──────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section    { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.text-center { text-align: center; }
.text-gold   { color: var(--gold); }
.text-navy   { color: var(--navy); }
.text-gray   { color: var(--gray); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

/* ── Tipografi ──────────────────────────────────────────────── */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.25; color: var(--navy); }

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

p  { margin-bottom: 1rem; color: var(--text); }
p:last-child { margin-bottom: 0; }

.overline {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
  display: block;
}

.section-title {
  margin-bottom: 48px;
}
.section-title h2 { margin-bottom: 12px; }
.section-title p  { color: var(--gray); font-size: 1.05rem; max-width: 600px; }
.section-title.center p { margin: 0 auto; }

/* ── Butonlar ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: var(--gold);
  color: var(--white);
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-1px); box-shadow: var(--shadow); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.5);
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }

.btn-navy {
  background: var(--navy);
  color: var(--white);
}
.btn-navy:hover { background: var(--navy-mid); transform: translateY(-1px); box-shadow: var(--shadow); }

/* ── Navigasyon ─────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(26,26,46,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(184,115,51,0.2);
  transition: all var(--transition);
}
.navbar.scrolled {
  background: rgba(26,26,46,0.99);
  box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.nav-logo {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--white);
  letter-spacing: 0.02em;
}
.nav-logo span { color: inherit; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: var(--gold); }

.nav-lang {
  display: flex;
  gap: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 6px;
  padding: 4px;
}
.nav-lang button {
  background: none;
  border: none;
  color: rgba(255,255,255,0.6);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 4px;
  transition: all var(--transition);
}
.nav-lang button.active {
  background: var(--gold);
  color: var(--white);
}

.nav-mobile-btn {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  cursor: pointer;
  padding: 4px;
}

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy) 0%, #0D0D1A 60%, #0A0A14 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(184,115,51,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -15%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22,33,62,0.4) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(184,115,51,0.12);
  border: 1px solid rgba(184,115,51,0.25);
  border-radius: 100px;
  padding: 6px 16px;
  margin-bottom: 28px;
}
.hero-eyebrow span {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.hero-eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.hero h1 {
  color: var(--white);
  margin-bottom: 24px;
  line-height: 1.15;
}
.hero h1 em {
  font-style: normal;
  color: var(--gold);
}

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 40px;
  line-height: 1.8;
}

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  animation: pulse 2.5s ease-in-out infinite;
}
.hero-scroll::after {
  content: '';
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(184,115,51,0.5), transparent);
}
@keyframes pulse { 0%,100% { opacity: 0.4; } 50% { opacity: 0.9; } }

/* ── Manifesto Bölümü ───────────────────────────────────────── */
.manifesto {
  background: var(--light);
  text-align: center;
}
.manifesto-quote {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-style: italic;
  color: var(--navy);
  font-weight: 600;
  max-width: 700px;
  margin: 0 auto 24px;
  line-height: 1.5;
  position: relative;
  padding: 0 32px;
}
.manifesto-quote::before {
  content: '"';
  font-size: 6rem;
  color: var(--gold);
  opacity: 0.15;
  position: absolute;
  top: -40px; left: -10px;
  font-family: var(--font-serif);
  line-height: 1;
}
.manifesto-body {
  max-width: 620px;
  margin: 0 auto;
  color: var(--gray);
  font-size: 1rem;
}

/* ── Kimlik Kartları ────────────────────────────────────────── */
.identity-card {
  background: var(--white);
  border-radius: 12px;
  padding: 32px 28px;
  box-shadow: var(--shadow);
  border-top: 3px solid var(--gold);
  transition: transform var(--transition), box-shadow var(--transition);
}
.identity-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.identity-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: rgba(184,115,51,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 16px;
}
.identity-card h3 { margin-bottom: 8px; }
.identity-card p  { color: var(--gray); font-size: 0.9rem; margin: 0; }

/* ── Kitap Tanıtım ──────────────────────────────────────────── */
.book-section { background: var(--navy); }
.book-section .section-title h2,
.book-section .overline { color: var(--gold); }
.book-section .section-title p { color: rgba(255,255,255,0.7); }

.book-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(184,115,51,0.2);
  border-radius: 16px;
  padding: 48px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 48px;
  align-items: center;
}

.book-cover-placeholder {
  width: 180px;
  height: 260px;
  background: linear-gradient(135deg, rgba(184,115,51,0.15), rgba(184,115,51,0.05));
  border: 2px solid rgba(184,115,51,0.3);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  flex-shrink: 0;
}
.book-cover-placeholder .book-title-preview {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1.2;
  margin-bottom: 8px;
}
.book-cover-placeholder .book-author-preview {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.book-info h2 { color: var(--white); margin-bottom: 8px; }
.book-info .book-meta { color: var(--gold); font-size: 0.85rem; font-weight: 600; margin-bottom: 16px; }
.book-info p   { color: rgba(255,255,255,0.75); margin-bottom: 24px; }

.book-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.book-tag {
  background: rgba(184,115,51,0.12);
  border: 1px solid rgba(184,115,51,0.2);
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
}

.notify-form { display: flex; gap: 12px; flex-wrap: wrap; }
.notify-form input {
  flex: 1;
  min-width: 220px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  color: var(--white);
  font-family: var(--font);
  font-size: 0.9rem;
  transition: border-color var(--transition);
}
.notify-form input::placeholder { color: rgba(255,255,255,0.35); }
.notify-form input:focus { outline: none; border-color: var(--gold); }

/* ── Basın Logoları ─────────────────────────────────────────── */
.press-section { background: var(--white); padding: 48px 0; }
.press-label {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-light);
  margin-bottom: 28px;
}
.press-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
  opacity: 0.3;
}
.press-logo-item {
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--navy);
  text-transform: uppercase;
}

/* ── Footer ─────────────────────────────────────────────────── */
.footer {
  background: #0D0D1A;
  color: rgba(255,255,255,0.6);
  padding: 56px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}
.footer-brand .logo span { color: inherit; }
.footer-brand p { font-size: 0.85rem; line-height: 1.7; }

.footer-col h4 {
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 0.85rem;
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--gold); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

/* ── Hakkımda Sayfası ───────────────────────────────────────── */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, #0D0D1A 100%);
  padding: 140px 0 80px;
  text-align: center;
}
.page-hero h1 { color: var(--white); margin-bottom: 16px; }
.page-hero p  { color: rgba(255,255,255,0.65); font-size: 1.05rem; max-width: 560px; margin: 0 auto; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  align-items: start;
}

.about-photo {
  position: sticky;
  top: 100px;
}
.photo-placeholder {
  aspect-ratio: 3/4;
  background: var(--light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  color: var(--gray);
  font-size: 0.85rem;
  border: 2px dashed var(--gray-light);
}
.photo-placeholder .icon { font-size: 3rem; opacity: 0.3; }

.about-content h2 { margin-bottom: 16px; }
.about-content p  { color: var(--gray); margin-bottom: 20px; line-height: 1.85; }

.timeline { margin-top: 48px; }
.timeline-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--gray-light);
}
.timeline-item:last-child { border-bottom: none; }
.timeline-year { font-weight: 700; color: var(--gold); font-size: 0.9rem; padding-top: 2px; }
.timeline-body h4 { margin-bottom: 4px; }
.timeline-body p  { margin: 0; font-size: 0.9rem; color: var(--gray); }

.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.value-item {
  background: var(--light);
  border-radius: 10px;
  padding: 24px;
  border-left: 3px solid var(--gold);
}
.value-item h4 { margin-bottom: 8px; font-size: 0.95rem; }
.value-item p  { font-size: 0.85rem; color: var(--gray); margin: 0; }

/* ── Kitaplar Sayfası ───────────────────────────────────────── */
.series-badge {
  display: inline-block;
  background: rgba(184,115,51,0.1);
  border: 1px solid rgba(184,115,51,0.25);
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.series-map {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 48px;
}
.series-item {
  text-align: center;
  padding: 20px 12px;
  border-radius: 10px;
  border: 1px solid var(--gray-light);
  transition: all var(--transition);
}
.series-item.active {
  background: var(--navy);
  border-color: var(--gold);
}
.series-item.active .series-num { color: var(--gold); }
.series-item.active .series-name { color: var(--white); }
.series-num { font-size: 1.5rem; font-weight: 800; color: var(--gray-light); display: block; margin-bottom: 6px; }
.series-name { font-size: 0.8rem; font-weight: 600; color: var(--gray); }
.series-year { font-size: 0.72rem; color: var(--gray); margin-top: 4px; display: block; }

/* ── Medya Sayfası ──────────────────────────────────────────── */
.coming-soon-box {
  text-align: center;
  padding: 80px 40px;
  background: var(--light);
  border-radius: 16px;
  max-width: 500px;
  margin: 0 auto;
}
.coming-soon-box .icon { font-size: 3rem; margin-bottom: 20px; }
.coming-soon-box h3   { margin-bottom: 12px; }
.coming-soon-box p    { color: var(--gray); font-size: 0.9rem; }

/* ── İletişim Sayfası ───────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 60px;
  align-items: start;
}
.contact-info h3   { margin-bottom: 20px; }
.contact-info p    { color: var(--gray); margin-bottom: 32px; }

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
}
.contact-item-icon {
  width: 44px; height: 44px;
  background: rgba(184,115,51,0.1);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item-body h4 { font-size: 0.85rem; margin-bottom: 2px; }
.contact-item-body p  { font-size: 0.85rem; color: var(--gray); margin: 0; }

.contact-form { background: var(--light); border-radius: 16px; padding: 40px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--white);
  border: 1.5px solid var(--gray-light);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text);
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--gold); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* ── Dil Geçişi ─────────────────────────────────────────────── */
[data-lang="en"] { display: none; }
body.lang-en [data-lang="tr"] { display: none; }
body.lang-en [data-lang="en"] { display: revert; }

/* ── Mobil ──────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .book-card { grid-template-columns: 1fr; text-align: center; }
  .book-cover-placeholder { margin: 0 auto; }
  .series-map { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; gap: 4px; }
  .nav-links { display: none; }
  .nav-mobile-btn { display: block; }
  .section { padding: 60px 0; }
  .hero-cta { flex-direction: column; }
  .notify-form { flex-direction: column; }
}

/* ── Animasyon ──────────────────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }