/* SlideForge site design system
   Palette lock: one accent (forge green), warm-cool dark neutrals, no pure black.
   Shape lock: cards 16px, media 12px, interactive pills. */

:root {
  --bg: #0A0D0B;
  --bg-raise: #101512;
  --panel: #131916;
  --line: rgba(233, 239, 234, 0.09);
  --line-strong: rgba(233, 239, 234, 0.16);
  --text: #E9EFEA;
  --muted: #9AA69E;
  --accent: #33C971;
  --accent-soft: rgba(51, 201, 113, 0.13);
  --accent-ink: #072313;
  --radius-card: 16px;
  --radius-media: 12px;
  --font-display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Geist", -apple-system, "Segoe UI", Roboto, sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  /* Bolum glow'lari kaplarindan tasar; kesilmeleri tasarim geregi. `clip`
     `hidden`in aksine yeni bir kaydirma baglami acmaz, sticky bozulmaz. */
  overflow-x: clip;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

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

a { color: var(--text); text-decoration: none; }

::selection { background: var(--accent); color: var(--accent-ink); }

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

/* ---------- ambient glow ---------- */

.glow {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(52rem 34rem at 82% -12%, rgba(51, 201, 113, 0.09), transparent 62%),
    radial-gradient(40rem 30rem at -12% 108%, rgba(51, 201, 113, 0.05), transparent 60%);
}

main, .site-nav, .site-footer { position: relative; z-index: 1; }

/* ---------- navigation ---------- */

.site-nav {
  height: 68px;
  display: flex;
  align-items: center;
}

.site-nav .wrap {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.06rem;
  letter-spacing: -0.01em;
}

.brand img {
  width: 26px;
  height: 26px;
  border-radius: 7px;
}

.nav-links {
  display: flex;
  gap: 1.6rem;
  margin-left: auto;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.95rem;
  transition: color 0.25s var(--ease-out);
}

.nav-links a:hover { color: var(--text); }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 999px;
  padding: 0.72rem 1.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1.2;
  white-space: nowrap;
  transition: transform 0.25s var(--ease-out), background 0.25s var(--ease-out),
    border-color 0.25s var(--ease-out);
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.btn-primary:hover { background: #45D680; }

.btn-ghost {
  border: 1px solid var(--line-strong);
  color: var(--text);
}

.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- hero ---------- */

.hero {
  min-height: calc(100dvh - 68px);
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  padding-top: 1rem;
  padding-bottom: 4rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.6vw, 4.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.02;
  margin: 0 0 1.4rem;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero .lede {
  color: var(--muted);
  font-size: 1.12rem;
  max-width: 34rem;
  margin: 0 0 2.2rem;
}

.hero .cta-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-visual { position: relative; }

.hero-visual .shot {
  width: min(400px, 100%);
  height: min(30rem, 54dvh);
  object-fit: cover;
  object-position: 50% 0%;
  margin-left: auto;
  border-radius: var(--radius-media);
  border: 1px solid var(--line-strong);
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.65);
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: -12% -6%;
  background: radial-gradient(28rem 22rem at 60% 42%, var(--accent-soft), transparent 68%);
  z-index: -1;
}

/* ---------- fact strip ---------- */

.facts {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.facts .wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.facts .fact {
  padding: 1.5rem 1rem;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
}

.facts .fact + .fact { border-left: 1px solid var(--line); }

/* ---------- sections ---------- */

section.block { padding: clamp(5rem, 10vw, 8.5rem) 0; }

.block h2 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.08;
  margin: 0 0 0.9rem;
}

.block .sub {
  color: var(--muted);
  max-width: 40rem;
  margin: 0 0 3rem;
}

/* ---------- steps ---------- */

.steps { border-top: 1px solid var(--line); }

.step {
  display: grid;
  grid-template-columns: 5rem minmax(0, 16rem) 1fr;
  gap: 1.5rem 2.5rem;
  padding: 2.4rem 0;
  border-bottom: 1px solid var(--line);
}

.step .num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0.2rem 0 0;
}

.step p { margin: 0; color: var(--muted); max-width: 38rem; }

/* ---------- bento ---------- */

.bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-flow: dense;
  gap: 1rem;
}

.cell {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 1.8rem;
  transition: transform 0.35s var(--ease-out), border-color 0.35s var(--ease-out);
}

.cell:hover { transform: translateY(-3px); border-color: var(--line-strong); }

.cell h3 {
  font-family: var(--font-display);
  font-size: 1.16rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 0.5rem;
}

.cell p { margin: 0; color: var(--muted); font-size: 0.99rem; }

.cell-wide { grid-column: span 2; }

.cell-feature {
  background: linear-gradient(140deg, rgba(51, 201, 113, 0.16), rgba(51, 201, 113, 0.04) 62%), var(--panel);
  border-color: rgba(51, 201, 113, 0.25);
}

.cell-feature h3 { color: var(--accent); font-size: 1.35rem; }

.cell-type {
  background: var(--bg-raise);
  overflow: hidden;
  position: relative;
}

.cell-type .glyphs {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  color: var(--text);
  opacity: 0.85;
  margin: 0 0 0.6rem;
}

/* ---------- split media section ---------- */

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 4.5rem);
}

.split-media {
  margin: 0;
  position: relative;
}

.split-media img {
  width: 100%;
  max-width: 340px;
  margin: 0 auto;
  border-radius: var(--radius-media);
  border: 1px solid var(--line-strong);
  box-shadow: 0 30px 70px -24px rgba(0, 0, 0, 0.6);
}

.split-media::before {
  content: "";
  position: absolute;
  inset: -14% -10%;
  background: radial-gradient(24rem 20rem at 45% 45%, var(--accent-soft), transparent 68%);
  z-index: -1;
}

.split-copy h2 { margin-bottom: 1.1rem; }

.split-copy p {
  color: var(--muted);
  max-width: 42ch;
  margin: 0 0 1rem;
}

/* ---------- FAQ ---------- */

.faq {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 3.5rem;
}

.qa {
  border-top: 1px solid var(--line);
  padding: 1.6rem 0 1.9rem;
}

.qa h3 {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.55rem;
}

.qa p { margin: 0; color: var(--muted); font-size: 0.99rem; }

.qa a { color: var(--accent); }

/* ---------- closing CTA ---------- */

.closing { text-align: center; }

.closing h2 {
  font-size: clamp(2.1rem, 4.4vw, 3.3rem);
  margin-bottom: 2.2rem;
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.6rem 0 3rem;
  font-size: 0.93rem;
  color: var(--muted);
}

.site-footer .row {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  flex-wrap: wrap;
}

.site-footer .row + .row { margin-top: 1.2rem; }

.site-footer a { color: var(--muted); transition: color 0.25s var(--ease-out); }

.site-footer a:hover { color: var(--text); }

.site-footer .legal-line { margin-left: auto; }

/* ---------- document pages ---------- */

.doc {
  max-width: 46rem;
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 5rem;
}

.doc h1 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.06;
  margin: 0 0 0.8rem;
}

.doc .doc-lede { color: var(--muted); font-size: 1.08rem; margin: 0 0 0.6rem; }

.doc .doc-date { color: var(--muted); font-size: 0.92rem; margin: 0 0 3rem; }

.doc h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 3rem 0 0.9rem;
}

.doc h3 {
  font-family: var(--font-display);
  font-size: 1.13rem;
  font-weight: 600;
  margin: 2rem 0 0.7rem;
}

.doc p, .doc li { color: var(--muted); }

.doc li { margin-bottom: 0.45rem; }

.doc strong { color: var(--text); font-weight: 600; }

.doc a { color: var(--accent); }

.doc .toc {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 1.4rem 1.6rem 1.4rem 2.6rem;
  columns: 2;
  gap: 2.5rem;
  font-size: 0.95rem;
}

.doc .toc li { break-inside: avoid; }

/* ---------- reveal motion ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  transition-delay: calc(var(--i, 0) * 70ms);
}

.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .cell { transition: none; }
}

/* ---------- mobile ---------- */

@media (max-width: 860px) {
  .nav-links { display: none; }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 2rem;
    padding-bottom: 3.5rem;
  }

  .hero-visual .shot {
    margin: 0 auto;
    width: min(340px, 90%);
    height: 20rem;
  }

  .facts .wrap { grid-template-columns: 1fr; }
  .facts .fact + .fact { border-left: 0; border-top: 1px solid var(--line); }

  .step { grid-template-columns: 3rem 1fr; }
  .step p { grid-column: 2; }

  .bento { grid-template-columns: 1fr; }
  .cell-wide { grid-column: auto; }

  .split-grid { grid-template-columns: 1fr; }
  .split-media img { max-width: 260px; margin: 0 auto; }

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

  .site-footer .legal-line { margin-left: 0; }

  .doc .toc { columns: 1; }
}