/* ============ Temel ============ */
:root {
  --bg: #ffffff;
  --bg-alt: #f2f2f1;
  --ink: #141414;
  --ink-soft: #585858;
  --line: #e3e3e1;
  --muted: #8a8a8a;       /* gri etiket tonu */
  --accent: #141414;      /* siyah vurgu */
  --accent-deep: #000000;
  --max: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 300;
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: 0.01em;
}

a { color: inherit; text-decoration: none; }
em { font-style: italic; }
strong { font-weight: 500; color: var(--ink); }

section { padding: clamp(4.5rem, 9vw, 9rem) clamp(1.4rem, 5vw, 4rem); }

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem clamp(1.4rem, 5vw, 4rem);
  background: rgba(247, 244, 237, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.site-nav { display: flex; gap: clamp(1.2rem, 3vw, 2.6rem); }

.site-nav a {
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  position: relative;
  padding-bottom: 3px;
  transition: color 0.25s;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.3s ease;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--ink);
  transition: transform 0.3s, opacity 0.3s;
}

/* ============ Hero ============ */
.hero {
  min-height: 88vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -20%; right: -10%;
  width: 60vw; height: 60vw;
  max-width: 720px; max-height: 720px;
  background: radial-gradient(circle, rgba(20,20,20,0.06), transparent 68%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.hero-photo { margin: 0; position: relative; }
.hero-photo::after {
  content: "";
  position: absolute;
  inset: 14px -14px -14px 14px;
  border: 1px solid var(--line);
  z-index: -1;
}
.hero-photo img {
  display: block;
  width: 100%;
  height: auto;
  filter: grayscale(100%) contrast(1.03);
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.55);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 1.4rem;
}

.hero h1 {
  font-size: clamp(3.4rem, 8vw, 6.2rem);
  margin-bottom: 1.6rem;
}

.hero-lead {
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  max-width: 38ch;
  color: var(--ink-soft);
  margin-bottom: 2.4rem;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ============ Buttons ============ */
.btn {
  display: inline-block;
  padding: 0.85rem 1.9rem;
  background: var(--accent);
  color: #fff;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: background 0.25s, transform 0.25s;
}
.btn:hover { background: var(--accent-deep); transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn-ghost:hover { background: var(--bg-alt); border-color: var(--accent); }

/* ============ Section yapısı ============ */
.section-num {
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--muted);
  display: block;
  margin-bottom: 0.8rem;
}

.section-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.85fr 1.4fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}
.section-aside { position: sticky; top: 120px; }
.section-aside h2 { font-size: clamp(2.4rem, 5vw, 3.6rem); }

.section-body .lead {
  font-size: 1.35rem;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  color: var(--ink);
  margin-bottom: 1.6rem;
  line-height: 1.4;
}
.section-body p { color: var(--ink-soft); margin-bottom: 1.2rem; }

.about { background: var(--bg); }
.house { background: var(--bg-alt); }

.feature-list {
  list-style: none;
  margin: 1.8rem 0 2.4rem;
}
.feature-list li {
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: 0.7rem;
  color: var(--ink-soft);
}
.feature-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ============ Kitaplar ============ */
.section-head {
  max-width: var(--max);
  margin: 0 auto clamp(2.5rem, 5vw, 4rem);
  text-align: center;
}
.section-head h2 { font-size: clamp(2.6rem, 6vw, 4rem); margin-bottom: 0.6rem; }
.section-head p { color: var(--ink-soft); font-size: 1.1rem; }
.section-head .section-num { text-align: center; }

.book-list {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 5vw, 3.5rem);
}

.book {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: clamp(1.6rem, 4vw, 3.5rem);
  align-items: center;
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--line);
}
.book:last-child { border-bottom: 0; }

.book-cover {
  box-shadow: 0 18px 40px -24px rgba(0,0,0,0.6);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.book-cover img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}
.book:hover .book-cover {
  transform: translateY(-6px) rotate(-1deg);
  box-shadow: 0 26px 50px -22px rgba(0,0,0,0.6);
}

.book-info h3 { font-size: 2rem; margin-bottom: 0.7rem; }
.book-info p { color: var(--ink-soft); margin-bottom: 1.1rem; max-width: 56ch; }
.book-tag {
  display: inline-block;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.35rem 0.9rem;
}

/* ============ İletişim ============ */
.contact { text-align: center; }
.contact-inner { max-width: 640px; margin: 0 auto; }
.contact .section-num { text-align: center; }
.contact h2 { font-size: clamp(2.6rem, 6vw, 4.2rem); margin-bottom: 1rem; }
.contact p { color: var(--ink-soft); margin-bottom: 1.8rem; }

.contact-mail {
  display: inline-block;
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: var(--accent-deep);
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
  transition: border-color 0.3s;
}
.contact-mail:hover { border-color: var(--accent); }

.socials {
  margin-top: 2.4rem;
  display: flex;
  gap: 1.8rem;
  justify-content: center;
}
.socials a {
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  transition: color 0.25s;
}
.socials a:hover { color: var(--ink); }

/* ============ Footer ============ */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.2rem clamp(1.4rem, 5vw, 4rem);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

/* ============ Kitap aksiyonları ============ */
.book-actions {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  flex-wrap: wrap;
  margin-top: 1.3rem;
}
.btn-small { padding: 0.6rem 1.3rem; font-size: 0.74rem; }

.link-arrow {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: border-color 0.3s;
}
.link-arrow:hover { border-color: var(--ink); }

/* ============ Atölyeler / Etkinlikler ============ */
.events { max-width: 900px; margin: 0 auto; }
.event {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 1rem 2rem;
  align-items: start;
  padding: 1.9rem 0;
  border-bottom: 1px solid var(--line);
}
.event:first-child { border-top: 1px solid var(--line); }
.event-date {
  text-align: center;
  border: 1px solid var(--line);
  padding: 0.7rem 0;
}
.event-date .day {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem;
  line-height: 1;
  color: var(--ink);
}
.event-date .mon {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 5px;
}
.event-format {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.event-body h3 { font-size: 1.65rem; margin: 0.35rem 0 0.55rem; }
.event-body p { color: var(--ink-soft); margin-bottom: 0.8rem; max-width: 60ch; }

/* ============ Yazılar / Blog ============ */
.posts {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.4rem, 3vw, 2.4rem);
}
.post-card {
  border: 1px solid var(--line);
  padding: 1.9rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s, transform 0.3s;
}
.post-card:hover { border-color: var(--ink); transform: translateY(-4px); }
.post-meta {
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.8rem;
}
.post-card h3 { font-size: 1.7rem; margin-bottom: 0.7rem; line-height: 1.12; }
.post-card .excerpt { color: var(--ink-soft); margin-bottom: 1.3rem; flex: 1; }

.section-foot {
  max-width: var(--max);
  margin: clamp(2.2rem, 4vw, 3.2rem) auto 0;
  text-align: center;
}

/* ============ Bülten ============ */
.newsletter {
  background: var(--ink);
  color: #fff;
  text-align: center;
}
.newsletter-inner { max-width: 640px; margin: 0 auto; }
.newsletter .section-num { color: rgba(255,255,255,0.5); }
.newsletter h2 { font-size: clamp(2.4rem, 5vw, 3.6rem); margin-bottom: 1rem; }
.newsletter p { color: rgba(255,255,255,0.72); margin-bottom: 2rem; }
.newsletter form {
  display: flex;
  gap: 0.6rem;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
}
.newsletter input {
  flex: 1;
  min-width: 210px;
  padding: 0.9rem 1.1rem;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  border-radius: 2px;
}
.newsletter input::placeholder { color: rgba(255,255,255,0.5); }
.newsletter input:focus { outline: none; border-color: #fff; }
.newsletter button {
  padding: 0.9rem 1.7rem;
  background: #fff;
  color: var(--ink);
  border: 0;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: opacity 0.25s;
}
.newsletter button:hover { opacity: 0.85; }
.newsletter-msg {
  margin-top: 1.2rem;
  min-height: 1.3rem;
  font-size: 0.95rem;
  color: #fff;
}

/* ============ Alt sayfa başlığı ============ */
.page-hero {
  padding-top: clamp(3rem, 6vw, 5rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
}
.page-hero-inner { max-width: var(--max); margin: 0 auto; }
.page-hero h1 { font-size: clamp(2.8rem, 6vw, 4.4rem); margin: 0.6rem 0; }
.page-hero p { color: var(--ink-soft); max-width: 62ch; }

.backlink {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.25s;
}
.backlink:hover { color: var(--ink); }

/* ============ Yazı sayfası (article) ============ */
.article { max-width: 680px; margin: 0 auto; }
.article p { margin-bottom: 1.4rem; color: #2c2a28; }
.article h2 {
  font-size: 1.9rem;
  margin: 2.4rem 0 0.9rem;
}
.article blockquote {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.5rem;
  line-height: 1.45;
  border-left: 2px solid var(--ink);
  padding-left: 1.4rem;
  margin: 2rem 0;
  color: var(--ink);
}
.article-foot {
  max-width: 680px;
  margin: clamp(2.5rem, 5vw, 4rem) auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

/* ============ Kitap detay sayfası ============ */
.book-detail {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.book-detail .cover { box-shadow: 0 20px 45px -24px rgba(0,0,0,0.6); }
.book-detail .cover img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}
.book-detail h1 { font-size: clamp(2.6rem, 5vw, 3.8rem); margin-bottom: 0.6rem; }
.book-detail .desc p { color: var(--ink-soft); margin-bottom: 1.2rem; }
.book-meta {
  list-style: none;
  margin: 1.7rem 0;
  border-top: 1px solid var(--line);
}
.book-meta li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
}
.book-meta .k {
  color: var(--muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.76rem;
  align-self: center;
}
.book-meta .v { color: var(--ink); }
.book-detail blockquote {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.45rem;
  line-height: 1.45;
  border-left: 2px solid var(--ink);
  padding-left: 1.4rem;
  margin: 1.8rem 0;
  color: var(--ink);
}
.buy-links {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.8rem;
}

/* ============ Reveal animasyonu ============ */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.in { opacity: 1; transform: none; }

/* ============ Responsive ============ */
@media (max-width: 820px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }
  .site-nav.open { max-height: 540px; }
  .site-nav a {
    padding: 1rem clamp(1.4rem, 5vw, 4rem);
    border-top: 1px solid var(--line);
  }
  .hero { min-height: auto; padding-top: 3rem; padding-bottom: 3rem; }
  .hero-inner { grid-template-columns: 1fr; gap: 2.6rem; }
  .hero-photo { order: -1; max-width: 360px; }
  .section-grid { grid-template-columns: 1fr; }
  .section-aside { position: static; }
  .book { grid-template-columns: 1fr; justify-items: start; }
  .book-cover { width: 200px; }
  .posts { grid-template-columns: 1fr; }
  .event { grid-template-columns: 72px 1fr; gap: 0.9rem 1.3rem; }
  .book-detail { grid-template-columns: 1fr; }
  .book-detail .cover { max-width: 240px; }
}