/* ═══════════════════════════════════════════════
   SAMIR DEOLIKAR — PERSONAL WEBSITE
   Shared stylesheet · v1.0
   Color palette: black ink, white paper, gold accents, brick rust
   ═══════════════════════════════════════════════ */

/* ── TOKENS ── */
:root {
  --ink:        #0d0d0d;
  --paper:      #ffffff;
  --surface:    #f4f4f4;
  --surface-2:  #ebebeb;
  --gold:       #b8860b;
  --gold-light: #d4a017;
  --gold-dim:   rgba(184,134,11,0.15);
  --rust:       #8b3a2a;
  --rust-dark:  #6b1f10;
  --muted:      #6b6b6b;
  --rule:       #dedede;
  --radius:     4px;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4 {
  font-family: 'Playfair Display', serif;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(40px, 6vw, 80px); font-weight: 900; }
h2 { font-size: clamp(28px, 4vw, 48px); font-weight: 700; }
h3 { font-size: clamp(20px, 2.5vw, 28px); font-weight: 700; }
h4 { font-size: 18px; font-weight: 700; }

p { font-size: 17px; line-height: 1.8; color: var(--muted); }
p strong { color: var(--ink); font-weight: 500; }

.mono {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

/* ── LAYOUT ── */
.container { max-width: 1160px; margin: 0 auto; padding: 0 48px; }
.container--narrow { max-width: 800px; margin: 0 auto; padding: 0 48px; }

/* ── NAV ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ink);
  border-bottom: 2px solid var(--gold);
  padding: 0 48px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--gold-light);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  transition: color 0.15s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--gold-light); }
.nav-links .nav-cta a {
  color: var(--gold-light);
  border: 1px solid rgba(184,134,11,0.45);
  padding: 5px 14px;
}
.nav-links .nav-cta a:hover { color: var(--paper); border-color: var(--gold-light); }

/* hamburger */
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 22px; height: 1.5px; background: rgba(255,255,255,0.6); transition: all 0.2s; }
.nav-mobile { display: none; }

/* ── EYEBROW LABEL ── */
.eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: #fff;
  background: var(--rust);
  display: inline-block;
  padding: 4px 10px;
  margin-bottom: 20px;
}
.eyebrow--gold {
  background: transparent;
  color: var(--gold);
  padding: 0;
  border: none;
}
.eyebrow--dark {
  background: var(--ink);
  color: var(--gold-light);
}

/* ── SECTION SPACING ── */
.section { padding: 96px 0; }
.section--sm { padding: 64px 0; }
.section--lg { padding: 128px 0; }
.section--dark { background: var(--ink); color: var(--paper); }
.section--dark p { color: rgba(255,255,255,0.6); }
.section--dark h1,
.section--dark h2,
.section--dark h3 { color: var(--paper); }
.section--surface { background: var(--surface); }
.section--surface-2 { background: var(--surface-2); }

/* ── DIVIDER ── */
.rule { height: 1px; background: var(--rule); margin: 0; }
.rule--gold { background: var(--gold); height: 2px; width: 60px; }

/* ── HERO (shared) ── */
.hero {
  background: var(--ink);
  color: var(--paper);
  padding: 120px 48px 100px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 520px; height: 520px;
  border: 1px solid var(--gold-dim);
  border-radius: 50%;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -120px; left: 15%;
  width: 340px; height: 340px;
  border: 1px solid rgba(184,134,11,0.06);
  border-radius: 50%;
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; }
.hero p { color: rgba(255,255,255,0.65); font-size: 18px; max-width: 580px; margin-top: 24px; }

/* ── IMAGE BLOCKS ── */
.img-full {
  width: 100%;
  aspect-ratio: 16/7;
  object-fit: cover;
  display: block;
}
.img-square {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
}
.img-portrait {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}
.img-wide {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* ── GRID SYSTEMS ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 2px; }
.grid-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: 48px; align-items: start; }
.grid-1-2 { display: grid; grid-template-columns: 1fr 2fr; gap: 64px; align-items: start; }
.grid-equal { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }

/* ── CARD ── */
.card {
  background: var(--paper);
  border: 0.5px solid var(--rule);
  padding: 32px;
}
.card--dark { background: var(--ink); border-color: rgba(255,255,255,0.08); }
.card--surface { background: var(--surface); border: none; }

/* ── BUTTON ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 12px 24px;
  border: 1px solid currentColor;
  transition: all 0.15s;
  cursor: pointer;
}
.btn--gold { color: var(--gold-light); border-color: rgba(184,134,11,0.5); }
.btn--gold:hover { color: var(--paper); border-color: var(--gold-light); background: rgba(184,134,11,0.1); }
.btn--ink { color: var(--ink); border-color: var(--rule); }
.btn--ink:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn--white { color: var(--paper); border-color: rgba(255,255,255,0.3); }
.btn--white:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.6); }
.btn::after { content: '→'; }

/* ── TOPIC TAG ── */
.tag {
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 3px 9px;
  border: 0.5px solid var(--rule);
  color: var(--muted);
  display: inline-block;
}

/* ── QUOTE / CALLOUT ── */
.pullquote {
  font-family: 'Playfair Display', serif;
  font-size: clamp(20px, 3vw, 30px);
  font-style: italic;
  line-height: 1.5;
  color: var(--ink);
  border-left: 3px solid var(--gold);
  padding: 8px 0 8px 32px;
  margin: 48px 0;
}
.pullquote--dark { color: var(--paper); border-color: var(--gold); }

.callout-box {
  background: var(--ink);
  color: var(--paper);
  padding: 40px 48px;
  margin: 48px 0;
}
.callout-box p {
  font-family: 'Playfair Display', serif;
  font-size: clamp(18px, 2.5vw, 24px);
  font-style: italic;
  color: var(--paper);
  line-height: 1.55;
}
.callout-box em { color: var(--gold-light); font-style: normal; }

/* ── FOOTER ── */
.footer {
  background: #080808;
  color: rgba(255,255,255,0.3);
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-links { display: flex; gap: 24px; }
.footer-links a {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--gold-light); }
.footer-copy {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
}

/* ── SCROLL REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: none; }
}
.animate-1 { opacity: 0; animation: fadeUp 0.7s ease 0.05s forwards; }
.animate-2 { opacity: 0; animation: fadeUp 0.7s ease 0.15s forwards; }
.animate-3 { opacity: 0; animation: fadeUp 0.7s ease 0.25s forwards; }
.animate-4 { opacity: 0; animation: fadeUp 0.7s ease 0.35s forwards; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .container, .container--narrow { padding: 0 24px; }
  .hero { padding: 80px 24px 72px; }
  .section { padding: 64px 0; }
  .section--lg { padding: 80px 0; }
  .grid-2, .grid-3, .grid-2-1, .grid-1-2, .grid-equal { grid-template-columns: 1fr; gap: 32px; }
  .nav { padding: 0 24px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-mobile {
    display: none;
    position: fixed;
    inset: 60px 0 0 0;
    background: var(--ink);
    z-index: 99;
    padding: 40px 24px;
    flex-direction: column;
    gap: 32px;
  }
  .nav-mobile.open { display: flex; }
  .nav-mobile a {
    font-family: 'DM Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.6);
    padding: 12px 0;
    border-bottom: 0.5px solid rgba(255,255,255,0.08);
  }
  .nav-mobile a:hover { color: var(--gold-light); }
  .callout-box { padding: 28px 24px; }
  .footer { padding: 32px 24px; flex-direction: column; align-items: flex-start; }
}