/* ─── TOKENS ─────────────────────────────────────────── */
:root {
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'General Sans', 'Helvetica Neue', sans-serif;

  --text-xs:   clamp(0.7rem,  0.65rem + 0.2vw,  0.8rem);
  --text-sm:   clamp(0.8rem,  0.75rem + 0.25vw, 0.9rem);
  --text-base: clamp(1rem,    0.95rem + 0.25vw, 1.125rem);
  --text-xl:   clamp(1.5rem,  1.1rem  + 1.5vw,  2.5rem);
  --text-2xl:  clamp(2.2rem,  1rem    + 4vw,    4.5rem);
  --text-3xl:  clamp(2.8rem,  0.5rem  + 6vw,    6rem);

  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Palette — pure cinematic black, warm off-white, amber accent */
  --color-bg:           #070707;
  --color-text:         #e8e4dc;
  --color-text-muted:   rgba(232, 228, 220, 0.78);
  --color-text-faint:   rgba(232, 228, 220, 0.58);
  --color-accent:       #c8a96e;   /* warm amber — the fire */
  --color-accent-hover: #dbbf8a;

  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  overflow: hidden; /* single-screen — no scroll */
  position: relative;
}

a { color: inherit; text-decoration: none; transition: color var(--transition), opacity var(--transition); }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }

/* ─── GRAIN ──────────────────────────────────────────── */
.grain {
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  pointer-events: none;
  z-index: 10;
  opacity: 0.032;
  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)'/%3E%3C/svg%3E");
  background-size: 256px 256px;
  animation: grain-drift 8s steps(10) infinite;
}

@keyframes grain-drift {
  0%  { transform: translate(0, 0); }
  10% { transform: translate(-2%, -3%); }
  20% { transform: translate(3%, 1%); }
  30% { transform: translate(-1%, 4%); }
  40% { transform: translate(4%, -2%); }
  50% { transform: translate(-3%, 2%); }
  60% { transform: translate(2%, -4%); }
  70% { transform: translate(-4%, 1%); }
  80% { transform: translate(1%, 3%); }
  90% { transform: translate(3%, -1%); }
  100%{ transform: translate(0, 0); }
}

/* ─── VIGNETTE ───────────────────────────────────────── */
.vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  background: radial-gradient(
    ellipse 80% 70% at 50% 50%,
    transparent 40%,
    rgba(0,0,0,0.55) 100%
  );
}

/* ─── STAGE ──────────────────────────────────────────── */
.stage {
  position: relative;
  z-index: 20;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-12) var(--space-6);
  gap: 0;
}

/* ─── WORDMARK ───────────────────────────────────────── */
.wordmark {
  position: fixed;
  top: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  opacity: 0;
  animation: fade-up 1s 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.ic-mark {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.wordmark-text {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* ─── THESIS ─────────────────────────────────────────── */
.thesis {
  margin-bottom: var(--space-8);
}

.thesis-line {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 300;
  font-style: italic;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--color-text);
  opacity: 0;
}

.thesis-line.line-1 {
  animation: fade-up 1.2s 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.thesis-line.line-2 {
  animation: fade-up 1.2s 0.75s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ─── MISSION ────────────────────────────────────────── */
.mission {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 300;
  font-style: italic;
  line-height: 1.5;
  color: var(--color-text-muted);
  max-width: 36ch;
  margin-bottom: var(--space-12);
  opacity: 0;
  animation: fade-up 1.2s 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ─── FOUNDER ────────────────────────────────────────── */
.founder {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-6);
  opacity: 0;
  animation: fade-up 1.2s 1.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.founder-link:hover {
  color: var(--color-text-muted);
}

/* ─── CONTACT ────────────────────────────────────────── */
.contact {
  position: fixed;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  animation: fade-up 1.2s 1.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.contact-link {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  position: relative;
}

.contact-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.contact-link:hover::after {
  width: 100%;
}

.contact-link:hover {
  color: var(--color-accent-hover);
}

/* ─── ANIMATIONS ─────────────────────────────────────── */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── REDUCED MOTION ─────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .grain { animation: none; }
  .wordmark, .thesis-line, .mission, .founder, .contact {
    opacity: 1;
    transform: none;
  }
}

/* ─── MOBILE ─────────────────────────────────────────── */
@media (max-width: 600px) {
  body { overflow: auto; }

  .wordmark {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    margin-bottom: var(--space-16);
  }

  .contact {
    position: relative;
    bottom: auto;
    left: auto;
    transform: none;
    margin-top: var(--space-12);
  }

  .stage {
    justify-content: flex-start;
    padding-top: var(--space-16);
    overflow: auto;
  }
}