/* ================================================================
   UNFRAGILE — STRESS-FORGED
   Static site stylesheet
   ================================================================ */

:root {
  --forge-black: #0a0a0a;
  --forge-deep:  #050505;
  --slate:       #23252a;
  --bone:        #f4f1ea;
  --kintsugi-gold: #d6a23e;
  --gold-light:  #f7e4a8;
  --gold-deep:   #6b4514;
  --silver:      #bdbdbd;
  --raw-black:   #1a1a1c;
  --fiber:       #a89469;
  --bronze:      #9a5d2e;

  --max-content: 1400px;

  --ff-display: "Archivo", system-ui, sans-serif;
  --ff-body:    "Inter Tight", system-ui, sans-serif;
  --ff-mono:    "JetBrains Mono", ui-monospace, monospace;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background: var(--forge-deep);
}
body {
  font-family: var(--ff-body);
  font-weight: 400;
  font-size: clamp(16px, 1.2vw, 19px);
  line-height: 1.55;
  color: var(--bone);
  background: var(--forge-deep);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1.2em; }
p:last-child { margin-bottom: 0; }

::selection { background: var(--kintsugi-gold); color: var(--forge-black); }

/* ---------- Type primitives ---------- */
.eyebrow {
  font-family: var(--ff-mono);
  font-weight: 500;
  font-size: clamp(10px, 0.85vw, 12px);
  letter-spacing: 0.42em;
  word-spacing: 0.6em;
  text-transform: uppercase;
  color: var(--bone);
  opacity: 0.75;
  margin: 0 0 2rem;
  line-height: 1.7;
}
.eyebrow--gold { color: var(--kintsugi-gold); opacity: 1; }

.display {
  font-family: var(--ff-display);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 0.92;
  text-transform: uppercase;
  margin: 0;
}
.display--hero { font-size: clamp(64px, 14vw, 240px); letter-spacing: -0.045em; }
.display--xl   { font-size: clamp(48px, 9vw, 160px);  letter-spacing: -0.04em; }
.display--lg   { font-size: clamp(40px, 6.5vw, 110px); letter-spacing: -0.035em; }
.display--md   { font-size: clamp(32px, 4.5vw, 72px); letter-spacing: -0.03em; }

.kanji {
  font-family: var(--ff-body);
  font-weight: 500;
  font-size: clamp(56px, 8vw, 140px);
  line-height: 1;
  color: var(--kintsugi-gold);
  letter-spacing: -0.02em;
  margin: 0 0 1.5rem;
}

.body-text {
  font-size: clamp(17px, 1.3vw, 21px);
  line-height: 1.55;
  color: var(--bone);
  max-width: 60ch;
}
.body-text--large {
  font-size: clamp(19px, 1.5vw, 24px);
  line-height: 1.5;
}

.mono {
  font-family: var(--ff-mono);
  font-weight: 500;
  letter-spacing: 0.40em;
  word-spacing: 0.6em;
  text-transform: uppercase;
}

/* ---------- Layout ---------- */
.section {
  position: relative;
  padding: clamp(96px, 14vh, 200px) clamp(24px, 6vw, 96px);
  width: 100%;
}
.section__inner {
  max-width: var(--max-content);
  margin: 0 auto;
  width: 100%;
}
.section--dark   { background: var(--forge-black); }
.section--deep   { background: var(--forge-deep); }
.section--slate  { background: var(--slate); }

/* ---------- Section dividers (seam) ---------- */
.seam {
  display: block;
  width: 100%;
  height: 28px;
  margin: 0;
  background: var(--forge-deep);
}
.seam svg { width: 100%; height: 100%; display: block; }

/* ---------- Fade-in observer ---------- */
.reveal {
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 0.8s ease, transform 0.8s ease;
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================================
   1. INTRO HERO
   ================================================================ */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--forge-black);
  overflow: hidden;
}
.hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  animation: kenBurns 32s ease-in-out infinite alternate;
  will-change: transform;
}
@keyframes kenBurns {
  0%   { transform: scale(1.04) translate(-1.2%, -0.6%); }
  100% { transform: scale(1.16) translate(1.2%,  0.6%); }
}

/* Subtle vignette so SCROLL cue reads against any crop */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(5,5,5,0) 60%, rgba(5,5,5,0.55) 100%);
}

.hero__scroll {
  position: absolute;
  bottom: clamp(24px, 5vh, 56px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.46em;
  color: var(--bone);
  opacity: 0.7;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.hero__scroll-arrow {
  width: 1px;
  height: 48px;
  background: var(--bone);
  opacity: 0.5;
  position: relative;
  animation: scrollPulse 2.5s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.2; transform: scaleY(0.6); transform-origin: top; }
  50%      { opacity: 0.8; transform: scaleY(1); transform-origin: top; }
}

/* On portrait mobile, reduce hero height and show the full
   poster (contain) so the UNFRAGILE wordmark isn't cropped. */
@media (max-aspect-ratio: 4/5) {
  .hero {
    height: 70vh;
    min-height: 460px;
  }
  .hero__image {
    object-fit: contain;
    animation-name: kenBurnsContain;
  }
  @keyframes kenBurnsContain {
    0%   { transform: scale(1.02); }
    100% { transform: scale(1.08); }
  }
}

/* ================================================================
   2. MANIFESTO QUOTE
   ================================================================ */
.manifesto {
  background: var(--forge-black);
  text-align: center;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.manifesto__quote {
  font-family: var(--ff-display);
  font-weight: 800;
  font-size: clamp(28px, 4.2vw, 64px);
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--bone);
  max-width: 22ch;
  margin: 0 auto;
}
.manifesto__attr {
  margin-top: clamp(40px, 5vw, 64px);
  font-family: var(--ff-mono);
  font-size: clamp(10px, 0.85vw, 12px);
  letter-spacing: 0.42em;
  word-spacing: 0.6em;
  line-height: 1.7;
  color: var(--kintsugi-gold);
  text-transform: uppercase;
}

/* ================================================================
   3. ORIGIN / KINTSUGI
   ================================================================ */
.origin {
  background: var(--forge-deep);
}
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 6vw, 120px);
  align-items: center;
}
@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; gap: 48px; }
}

/* ================================================================
   4. DROPS DETAIL
   ================================================================ */
.drops { background: var(--forge-deep); }
.drops__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 1.6vw, 24px);
  margin-top: clamp(48px, 6vw, 64px);
}
@media (max-width: 1100px) {
  .drops__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .drops__grid { grid-template-columns: 1fr; }
}

.drop-card {
  position: relative;
  padding: clamp(28px, 2.4vw, 40px) clamp(20px, 1.8vw, 28px);
  background: var(--forge-black);
  border: 1px solid rgba(244, 241, 234, 0.06);
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 360px;
  opacity: 0.6;
  transition: opacity 0.4s ease, border-color 0.4s ease;
}
.drop-card--active {
  opacity: 1;
  border-color: rgba(214, 162, 62, 0.45);
  background: linear-gradient(180deg, #0d0a05 0%, var(--forge-black) 60%);
}
.drop-card--active:hover {
  border-color: var(--kintsugi-gold);
  box-shadow: 0 0 0 1px rgba(214, 162, 62, 0.35), 0 12px 40px -12px rgba(214, 162, 62, 0.25);
}

.drop-card__index {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.44em;
  word-spacing: 0.6em;
  color: var(--bone);
  opacity: 0.7;
}
.drop-card--active .drop-card__index { color: var(--kintsugi-gold); opacity: 1; }

.drop-card__name {
  font-family: var(--ff-display);
  font-weight: 900;
  font-size: clamp(28px, 2.4vw, 40px);
  letter-spacing: -0.025em;
  line-height: 1;
  margin: 4px 0 0;
  color: var(--bone);
}
.drop-card--active .drop-card__name { color: var(--kintsugi-gold); }

.drop-card__craft {
  font-family: var(--ff-body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.35;
  color: var(--bone);
  opacity: 0.85;
}
.drop-card__material-note {
  font-family: var(--ff-body);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--bone);
  opacity: 0.55;
  margin-bottom: 4px;
}

.drop-card__seam {
  height: 1px;
  width: 100%;
  margin: 8px 0;
  background-color: currentColor;
  opacity: 0.4;
}
.drop-card__seam--silver  { color: var(--silver); }
.drop-card__seam--gold    { color: var(--kintsugi-gold); opacity: 0.8; }
.drop-card__seam--raw     { color: var(--bone); opacity: 0.25; }
.drop-card__seam--fiber   { color: var(--fiber); }
.drop-card__seam--bronze  { color: var(--bronze); }

.drop-card__mono-label,
.drop-card__mono-tag {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.38em;
  word-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--bone);
  opacity: 0.65;
  line-height: 1.8;
}
.drop-card--active .drop-card__mono-label,
.drop-card--active .drop-card__mono-tag { opacity: 0.95; }

.drop-card__status {
  margin-top: auto;
  padding-top: 24px;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.44em;
  word-spacing: 0.6em;
  text-transform: uppercase;
  color: var(--bone);
  opacity: 0.5;
}
.drop-card__status--active {
  color: var(--kintsugi-gold);
  opacity: 1;
}

/* ================================================================
   7. CLOSING / PHILOSOPHY
   ================================================================ */
.philosophy {
  background: var(--forge-deep);
  position: relative;
}
.philosophy__inner {
  max-width: 900px;
  margin: 0 auto;
}
.philosophy .body-text {
  font-size: clamp(18px, 1.4vw, 22px);
  line-height: 1.65;
  max-width: 65ch;
}

/* ================================================================
   10. FOOTER
   ================================================================ */
.footer {
  background: var(--forge-black);
  padding: clamp(80px, 12vh, 160px) clamp(24px, 6vw, 96px) clamp(40px, 6vh, 64px);
  text-align: center;
  border-top: 1px solid rgba(244, 241, 234, 0.06);
}
.footer__wordmark {
  font-size: clamp(64px, 16vw, 280px);
  letter-spacing: -0.05em;
  line-height: 0.85;
  color: var(--bone);
}
.footer__tagline {
  margin-top: clamp(20px, 2.5vw, 32px);
  font-family: var(--ff-mono);
  font-size: clamp(11px, 0.95vw, 14px);
  letter-spacing: 0.44em;
  word-spacing: 0.6em;
  color: var(--kintsugi-gold);
  text-transform: uppercase;
}
.footer__signature {
  margin-top: clamp(40px, 5vw, 64px);
  font-family: var(--ff-mono);
  font-size: clamp(12px, 1vw, 15px);
  letter-spacing: 0.48em;
  word-spacing: 0.6em;
  color: var(--bone);
  opacity: 0.85;
  text-transform: uppercase;
}
.footer__contact {
  margin-top: clamp(32px, 4vw, 48px);
  font-family: var(--ff-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--bone);
  opacity: 0.85;
}
.footer__contact a {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  transition: color 0.3s ease;
}
.footer__contact a:hover { color: var(--kintsugi-gold); }
.footer__contact-mark {
  width: 16px;
  height: auto;
  display: block;
}
.footer__bottom {
  margin-top: clamp(64px, 8vw, 96px);
  padding-top: clamp(32px, 4vw, 48px);
  border-top: 1px solid rgba(244, 241, 234, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--bone);
  opacity: 0.55;
  text-transform: uppercase;
}
.footer__lockup { width: clamp(110px, 14vw, 160px); height: auto; opacity: 0.75; }

/* ================================================================
   MOBILE TUNING
   ================================================================ */
@media (max-width: 900px) {
  .display--hero { line-height: 0.9; }
  .drop-card { min-height: auto; }
}

@media (max-width: 700px) {
  /* Tighter section padding */
  .section {
    padding: clamp(72px, 12vh, 120px) clamp(20px, 5vw, 40px);
  }
  /* Drop cards: slightly less generous internal padding */
  .drop-card {
    padding: 28px 22px;
    gap: 14px;
  }
  /* Manifesto: reduce vertical pull */
  .manifesto { min-height: 60vh; }
  /* Core/quote scale */
  .core__quote { line-height: 1.3; }
  /* Footer wordmark must not overflow */
  .footer__wordmark { font-size: clamp(48px, 19vw, 120px); }
  /* Bottom row stacks nicely */
  .footer__bottom { justify-content: center; text-align: center; }
}

@media (max-width: 420px) {
  .section { padding: 64px 18px; }
  .footer { padding: 64px 18px 32px; }
  .drop-card { padding: 24px 20px; }
}

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