/* ============================================================
   GRAICE KAY — Global Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

/* ── Design Tokens ────────────────────────────────────────── */
:root {
  --bg:        #0a0a0a;
  --bg-card:   #111111;
  --bg-hover:  #161616;
  --text:      #f0f0f0;
  --text-sec:  #888888;
  --accent:    #57ff52;
  --border:    rgba(255,255,255,0.07);
  --font:      'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --nav-h:     64px;
  --radius:    4px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

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

button, input, select, textarea {
  font-family: var(--font);
}

/* ── Navigation ───────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  background: linear-gradient(to bottom, rgba(10,10,10,0.95) 0%, rgba(10,10,10,0) 100%);
  backdrop-filter: blur(0px);
  transition: background var(--transition), backdrop-filter var(--transition);
}

.nav.scrolled {
  background: rgba(10,10,10,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav.menu-open {
  background: rgba(10,10,10,0.98);
  backdrop-filter: blur(12px);
}

.nav-logo {
  display: flex;
  align-items: center;
}

.nav-logo img {
  width: 80px;
  height: auto;
  display: block;
  filter: brightness(0) invert(1);
  transition: filter 0.25s ease;
  opacity: 0.9;
}

.nav-logo:hover img {
  filter: brightness(0) saturate(100%) invert(64%) sepia(83%) saturate(620%) hue-rotate(72deg) brightness(96%);
  opacity: 1;
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-sec);
}

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

/* Mobile nav */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-mobile {
  display: flex;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: rgba(10,10,10,0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 24px 40px 32px;
  z-index: 99;
  flex-direction: column;
  gap: 20px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.nav-mobile.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.nav-mobile a {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-sec);
}

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

/* ── Page wrapper ─────────────────────────────────────────── */
.page {
  padding-top: var(--nav-h);
  min-height: 100vh;
}

/* ── Section defaults ─────────────────────────────────────── */
.section {
  padding: 100px 40px;
}

.section-sm {
  padding: 60px 40px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

.container-narrow {
  max-width: 640px;
  margin: 0 auto;
}

/* ── Typography ───────────────────────────────────────────── */
.eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

h1, .h1 {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.08;
}

h2, .h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 300;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

h3, .h3 {
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.3;
}

p {
  color: var(--text-sec);
  font-size: 1rem;
  line-height: 1.75;
}

/* ── Divider ──────────────────────────────────────────────── */
.divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  margin: 0;
}

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}

.card:hover {
  border-color: rgba(255,255,255,0.14);
  transform: translateY(-2px);
}

/* ── Tag / Badge ──────────────────────────────────────────── */
.tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(87,255,82,0.3);
  border-radius: 2px;
  padding: 3px 8px;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.btn:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.15);
}

.btn-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #0a0a0a;
}

.btn-accent:hover {
  background: #7aff76;
  border-color: #7aff76;
  color: #0a0a0a;
}

/* ── Thumbnail placeholder ────────────────────────────────── */
.thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #1a1a1a;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #333;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ── Grid layouts ─────────────────────────────────────────── */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  padding: 48px 40px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.footer-logo {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-sec);
  text-decoration: none;
  transition: color var(--transition);
}

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

.footer-copy {
  font-size: 11px;
  color: rgba(255,255,255,0.2);
  letter-spacing: 0.05em;
}

/* ── Footer social icons — paper / mixed-media feel ──────── */
.footer-social {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  position: relative;
  transform: rotate(var(--rot, 0deg));
  transition: transform 0.5s ease;
  text-decoration: none;
}


.footer-social-icon img {
  width: 22px;
  height: 22px;
  object-fit: contain;
  position: relative;
  z-index: 1;
  opacity: 0.72;
  transition: opacity 0.3s ease;
}

/* Phase 1: jiggle. Phase 2: slow expand. */
.footer-social-icon:hover {
  animation: icon-enter 1.25s ease forwards;
}

.footer-social-icon:hover img {
  opacity: 1;
}

/* Siblings shrink slowly once hover settles */
.footer-social:has(.footer-social-icon:hover) .footer-social-icon:not(:hover) {
  animation: icon-shrink 1.5s ease 0.4s both;
}

@keyframes icon-enter {
  0%   { transform: rotate(var(--rot, 0deg)) scale(1); }
  7%   { transform: rotate(calc(var(--rot, 0deg) + 11deg)) scale(1.08); }
  16%  { transform: rotate(calc(var(--rot, 0deg) - 7deg)) scale(0.93); }
  26%  { transform: rotate(calc(var(--rot, 0deg) + 4deg)) scale(1.05); }
  35%  { transform: rotate(calc(var(--rot, 0deg) - 2deg)) scale(0.98); }
  43%  { transform: rotate(0deg) scale(1); }
  58%  { transform: rotate(0deg) scale(1.1); }
  100% { transform: rotate(0deg) scale(1.42); }
}

@keyframes icon-shrink {
  from { transform: rotate(var(--rot, 0deg)) scale(1); }
  to   { transform: rotate(var(--rot, 0deg)) scale(0.66); }
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav {
    padding: 0 24px;
  }

  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-mobile {
    padding: 24px 24px 32px;
  }

  .section {
    padding: 72px 24px;
  }

  .section-sm {
    padding: 48px 24px;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .footer {
    padding: 40px 24px;
    flex-wrap: wrap;
    gap: 24px;
  }

  .footer-social {
    gap: 6px;
  }
}

@media (max-width: 480px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}