/* ============================================================
   main.css
   Layout, typography, components.
   ============================================================ */

body {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--color-ivory-dim);
  background: var(--color-obsidian);
  position: relative;
  min-height: 100vh;
}

/* === Background canvas === */
#scene {
  position: fixed;
  inset: 0;
  z-index: var(--z-canvas);
  pointer-events: none;
}

/* === Noise overlay === */
.noise {
  position: fixed;
  inset: 0;
  z-index: var(--z-noise);
  pointer-events: none;
  opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
}

/* === NAV === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: var(--space-6) var(--gutter);
  font-size: 11px;
  letter-spacing: 0.18em;
  font-weight: 500;
  background: linear-gradient(180deg, rgba(10, 10, 11, 0.85) 0%, rgba(10, 10, 11, 0) 100%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-ivory);
}

.nav__mark {
  color: var(--color-star-edge);
  font-size: 14px;
  filter: drop-shadow(0 0 6px var(--color-star-glow));
  animation: mark-pulse 4s var(--ease-in-out-circ) infinite;
}

.nav__name {
  letter-spacing: 0.32em;
}

.nav__links {
  display: flex;
  gap: var(--space-8);
  justify-content: center;
}

.nav__links a {
  position: relative;
  color: var(--color-ivory-dim);
  transition: color 0.4s var(--ease-out-quart);
}

.nav__links a::before {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-ivory);
  transition: width 0.4s var(--ease-out-quart);
}

.nav__links a:hover {
  color: var(--color-ivory);
}

.nav__links a:hover::before {
  width: 100%;
}

.nav__meta {
  display: flex;
  justify-content: flex-end;
}

.nav__status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-ash);
  font-size: 10px;
}

.nav__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-status-live);
  box-shadow: 0 0 8px var(--color-status-live);
  animation: dot-pulse 2s ease-in-out infinite;
}

/* === HERO === */
.hero {
  position: relative;
  z-index: var(--z-content);
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--gutter);
}

.hero__frame {
  position: absolute;
  inset: var(--space-12) var(--gutter);
  pointer-events: none;
  color: var(--color-line-strong);
  font-size: 24px;
  font-family: var(--font-mono);
}

.hero__corner {
  position: absolute;
  display: block;
}
.hero__corner--tl { top: 0; left: 0; }
.hero__corner--tr { top: 0; right: 0; }
.hero__corner--bl { bottom: 0; left: 0; }
.hero__corner--br { bottom: 0; right: 0; }

.hero__content {
  text-align: center;
  max-width: 720px;
  position: relative;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--color-ash);
  margin-bottom: var(--space-12);
  text-transform: uppercase;
}

.hero__eyebrow-line {
  width: 32px;
  height: 1px;
  background: var(--color-ash);
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(3.5rem, 9vw, 8rem);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--color-ivory);
  margin-bottom: var(--space-8);
}

.hero__title-line {
  display: block;
  font-style: italic;
}

.hero__title-line:nth-child(2) {
  font-style: normal;
  letter-spacing: 0.04em;
  font-weight: 400;
}

.hero__subtitle {
  font-size: clamp(13px, 1.4vw, 15px);
  letter-spacing: 0.04em;
  color: var(--color-ivory-dim);
  line-height: 1.7;
  margin-bottom: var(--space-12);
}

.hero__readout {
  display: inline-grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  border: 1px solid var(--color-line-strong);
  background: rgba(10, 10, 11, 0.4);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-align: left;
  min-width: 280px;
}

.hero__readout-row {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: var(--space-4);
  color: var(--color-ash);
}

.hero__readout-row > span:last-child {
  color: var(--color-ivory-dim);
}

.hero__readout-active {
  color: var(--color-status-live) !important;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-16);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  font-size: 10px;
  letter-spacing: 0.32em;
  color: var(--color-ash);
}

.hero__scroll-line {
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--color-ash), transparent);
  animation: scroll-flow 2.4s var(--ease-in-out-circ) infinite;
}

/* === TRANSITION (karar + tekrar parlama) === */
.transition {
  position: relative;
  z-index: var(--z-content);
  min-height: 80vh;
  display: grid;
  place-items: center;
  background: var(--color-obsidian-deep);
  overflow: hidden;
}

.transition__pulse {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-star-core);
  box-shadow: 0 0 0 0 var(--color-star-core);
  opacity: 0;
}

.transition.is-active .transition__pulse {
  animation: transition-pulse 2.6s var(--ease-out-expo) forwards;
}

/* === PROJECTS === */
.projects {
  position: relative;
  z-index: var(--z-content);
  padding: var(--space-32) var(--gutter) var(--space-24);
  max-width: var(--max-width);
  margin: 0 auto;
  background: var(--color-obsidian);
}

.projects__header {
  max-width: 720px;
  margin-bottom: var(--space-24);
}

.projects__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--color-star-edge);
  margin-bottom: var(--space-8);
  text-transform: uppercase;
}

.projects__eyebrow-line {
  width: 32px;
  height: 1px;
  background: var(--color-star-edge);
}

.projects__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-ivory);
  margin-bottom: var(--space-8);
}

.projects__title br + * {
  font-style: italic;
}

.projects__lede {
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--color-ivory-dim);
  max-width: 520px;
  line-height: 1.7;
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}

.card {
  position: relative;
  padding: var(--space-12) var(--space-8);
  background: var(--color-obsidian-soft);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  min-height: 360px;
  transition: background 0.5s var(--ease-out-quart);
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    600px circle at var(--mx, 50%) var(--my, 50%),
    rgba(255, 138, 60, 0.06),
    transparent 40%
  );
  opacity: 0;
  transition: opacity 0.5s var(--ease-out-quart);
  pointer-events: none;
}

.card:hover {
  background: #131318;
}

.card:hover::before {
  opacity: 1;
}

.card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.card__index {
  font-family: var(--font-mono);
  color: var(--color-ash);
  font-weight: 500;
}

.card__status {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.32em;
}
.card__status--live { color: var(--color-status-live); }
.card__status--soon { color: var(--color-status-soon); }
.card__status--build { color: var(--color-status-build); }
.card__status--private { color: var(--color-status-private); }

.card__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 3.5vw, 3rem);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--color-ivory);
  margin-top: var(--space-4);
}

.card__desc {
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  color: var(--color-ivory-dim);
  flex-grow: 1;
  max-width: 480px;
}

.card__tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.card__tags span {
  font-size: 9px;
  letter-spacing: 0.24em;
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-line-strong);
  color: var(--color-ash);
  text-transform: uppercase;
  background: rgba(0, 0, 0, 0.3);
}

.card__cta {
  margin-top: var(--space-4);
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--color-ivory);
  text-transform: uppercase;
}

.card__arrow {
  display: inline-block;
  transition: transform 0.4s var(--ease-out-quart);
}

.card:hover .card__arrow {
  transform: translateX(8px);
}

/* === FOOTER === */
.footer {
  position: relative;
  z-index: var(--z-content);
  border-top: 1px solid var(--color-line);
  padding: var(--space-12) var(--gutter) var(--space-8);
  background: var(--color-obsidian-deep);
}

.footer__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-ash);
  margin-bottom: var(--space-12);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-ivory);
  letter-spacing: 0.32em;
}

.footer__mark {
  color: var(--color-star-edge);
  filter: drop-shadow(0 0 6px var(--color-star-glow));
}

.footer__meta {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.footer__sep {
  color: var(--color-line-strong);
}

.footer__motto {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 300;
  color: var(--color-ivory-dim);
  text-align: center;
  letter-spacing: -0.01em;
}

/* === Responsive === */
@media (max-width: 768px) {
  .nav {
    grid-template-columns: 1fr auto;
  }
  .nav__links {
    display: none;
  }
  .projects__grid {
    grid-template-columns: 1fr;
  }
  .hero__frame {
    inset: var(--space-8) var(--space-4);
  }
}