/* ============================================================
   SHAW STUDIO — Design Tokens & Component Styles
   Aesthetic: Off-white parchment, near-black, zero accents
   Reference: Enlisted Design (enlisteddesign.com)
   ============================================================ */

/* ── Fonts ─────────────────────────────────────────────────── */
@import url('https://api.fontshare.com/v2/css?f[]=clash-display@400,500,600,700&f[]=boska@400,500&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&display=swap');

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  /* Colors — Shaw palette */
  --color-bg:        #F0EFE9;
  --color-surface:   #ECEAE3;
  --color-text:      #0A0A0A;
  --color-text-muted:#5A5A55;
  --color-footer-bg: #000000;
  --color-footer-text:#FFFFFF;
  --color-rule:      #0A0A0A;

  /* Fonts */
  --font-display: 'Clash Display', 'Helvetica Neue', Arial, sans-serif;
  --font-serif:   'Boska', 'Instrument Serif', Georgia, serif;
  --font-body:    'Clash Display', 'Helvetica Neue', Arial, sans-serif;

  /* Type scale (fluid) */
  --text-xs:   clamp(0.6875rem, 0.65rem + 0.2vw, 0.75rem);   /* 11–12px */
  --text-sm:   clamp(0.75rem,   0.72rem + 0.2vw, 0.8125rem); /* 12–13px */
  --text-base: clamp(1rem,      0.95rem + 0.25vw, 1.125rem); /* 16–18px */
  --text-lg:   clamp(1.25rem,   1.1rem  + 0.75vw, 1.75rem);  /* 20–28px */
  --text-xl:   clamp(1.75rem,   1.4rem  + 1.5vw,  3rem);     /* 28–48px */
  --text-2xl:  clamp(2.5rem,    1.5rem  + 3vw,    5rem);     /* 40–80px */

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --gutter: clamp(var(--space-6), 5vw, var(--space-16));
  --content-max: 1440px;

  /* Motion */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-nav: 300ms var(--ease-out-expo);
}

/* ── Global ─────────────────────────────────────────────────── */
html { background: var(--color-bg); }

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ── Nav ────────────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--gutter);
  transition: background var(--transition-nav), backdrop-filter var(--transition-nav);
}

.site-nav.scrolled {
  background: rgba(240, 239, 233, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  color: #fff;
  transition: color var(--transition-nav);
}

.site-nav.scrolled .nav-logo { color: var(--color-text); }

.nav-links {
  display: flex;
  gap: var(--space-8);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  transition: opacity 200ms;
}

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

.nav-links a:hover { opacity: 0.55; }

/* ── Hero ────────────────────────────────────────────────────── */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: #0a0a0a;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
  will-change: opacity;
}

.hero-slide.active { opacity: 1; }

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Hero wordmark overlay — centered SHAW in Clash Display */
.hero-wordmark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(5rem, 18vw, 18rem);
  letter-spacing: -0.03em;
  color: #ffffff;
  white-space: nowrap;
  pointer-events: none;
  z-index: 2;
  mix-blend-mode: overlay;
  opacity: 0.92;
  line-height: 1;
  text-transform: uppercase;
}

.hero-chevron {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  animation: chevron-bounce 2s ease-in-out infinite;
  z-index: 2;
}

@keyframes chevron-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.7; }
  50%       { transform: translateX(-50%) translateY(8px); opacity: 1; }
}

/* ── Intro / Tagline ─────────────────────────────────────────── */
.intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 80vh;
  background: var(--color-bg);
}

.intro-image {
  overflow: hidden;
}

.intro-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.intro-text {
  display: flex;
  align-items: center;
  padding: clamp(var(--space-12), 8vw, var(--space-32)) var(--gutter);
}

.intro-text p {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 2.5vw + 1rem, 3rem);
  line-height: 1.25;
  font-weight: 400;
  color: var(--color-text);
  max-width: 20ch;
}

/* ── Featured Work ───────────────────────────────────────────── */
.featured-work {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) var(--gutter);
  background: var(--color-bg);
}

.section-label {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-bottom: var(--space-12);
}

.section-label-text {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}

.section-rule {
  display: block;
  flex: 1;
  height: 1px;
  background: var(--color-rule);
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.portfolio-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.portfolio-item figure {
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: var(--color-surface);
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 600ms var(--ease-out-expo);
}

.portfolio-item:hover img {
  transform: scale(1.03);
}

.portfolio-caption {
  padding: var(--space-2) 0;
}

.portfolio-client {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
}

.portfolio-type {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ── All Work CTA ─────────────────────────────────────────────── */
.all-work {
  padding: 0 var(--gutter);
  background: var(--color-bg);
  margin-bottom: clamp(var(--space-16), 8vw, var(--space-32));
}

.all-work-link {
  display: block;
  position: relative;
  padding: var(--space-8) 0;
  text-align: left;
  cursor: pointer;
  transition: opacity 200ms;
}

.all-work-link::before,
.all-work-link::after {
  content: '';
  display: block;
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-rule);
}

.all-work-link::before { top: 0; }
.all-work-link::after  { bottom: 0; }

.all-work-link:hover { opacity: 0.55; }

.all-work-label {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.5vw + 0.5rem, 1.75rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
}

.all-work-arrow {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 300;
}

/* ── Wordmark ─────────────────────────────────────────────────── */
.wordmark-section {
  background: var(--color-bg);
  overflow: hidden;
  padding: 0;
  line-height: 0.85;
}

.wordmark {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text);
  white-space: nowrap;
  /* Scale to fill 100vw — JS will set font-size exactly */
  font-size: 22vw;
  letter-spacing: -0.03em;
  line-height: 0.85;
  padding: 0;
  margin: 0;
  width: 100%;
  user-select: none;
}

/* ── Footer ───────────────────────────────────────────────────── */
.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: clamp(var(--space-12), 6vw, var(--space-24)) var(--gutter);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.footer-col-label {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: var(--space-4);
}

.footer-col p,
.footer-col a,
.footer-col span {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.65);
  display: block;
  line-height: 1.8;
  transition: color 200ms;
  max-width: none;
}

.footer-col a:hover { color: #fff; }

.footer-attribution {
  display: flex;
  align-items: flex-end;
}

.footer-attribution p {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.35);
  max-width: none;
}

/* ── Scroll Reveal ────────────────────────────────────────────── */
@supports (animation-timeline: scroll()) {
  .reveal {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 25%;
  }

  @keyframes reveal-fade {
    from { opacity: 0; }
    to   { opacity: 1; }
  }
}

/* Fallback for browsers without scroll-driven animations */
@supports not (animation-timeline: scroll()) {
  .reveal { opacity: 1; }
}

/* ── Mobile Responsive ───────────────────────────────────────── */
@media (max-width: 768px) {
  .intro {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .intro-image {
    height: 55vw;
    min-height: 260px;
  }

  .intro-image img { height: 100%; }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .wordmark {
    font-size: 14vw;
  }

  .nav-links { gap: var(--space-5); }
}

@media (max-width: 500px) {
  .portfolio-grid { grid-template-columns: 1fr; }
}

@media (min-width: 500px) and (max-width: 768px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}