/* ═══════════════════════════════════════════
   BASE.CSS — Design System
   Portfolio Mansour Kama Sane
═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Tokens ── */
:root {
  --bg:        #F9F8F5;
  --bg2:       #F0EDE6;
  --bg3:       #E5E0D8;
  --card:      #FFFFFF;
  --text:      #18170F;
  --text2:     #5C5A52;
  --text3:     #9A9890;
  --border:    rgba(24,23,15,.08);
  --border2:   rgba(24,23,15,.15);

  --accent:    #0E8A9E;
  --accent2:   #0D4C57;
  --accentbg:  rgba(14,138,158,.08);

  --gap-sm:  12px;
  --gap-md:  24px;
  --gap-lg:  48px;
  --gap-xl:  80px;

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;

  --t-fast: .15s ease;
  --t-med:  .25s ease;
  --t-slow: .4s cubic-bezier(.34,1.2,.64,1);

  --nav-h: 64px;
}

[data-dark="true"] {
  --bg:    #111008;
  --bg2:   #1A190F;
  --bg3:   #242318;
  --card:  #1E1D13;
  --text:  #F0EDE6;
  --text2: #A8A59D;
  --text3: #6A6860;
  --border:  rgba(240,237,230,.07);
  --border2: rgba(240,237,230,.13);
  --accentbg: rgba(14,138,158,.12);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  transition: background var(--t-med), color var(--t-med);
  padding-top: var(--nav-h);
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
.mono { font-family: 'JetBrains Mono', monospace; }

/* ── Container ── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--gap-md);
}

/* ── Section title ── */
.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}
.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 16px;
}
.section-sub {
  font-size: 17px;
  color: var(--text2);
  max-width: 580px;
  line-height: 1.7;
}

/* ── Tag / chip ── */
.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
  background: var(--accentbg);
  color: var(--accent2);
  border: 1px solid rgba(14,138,158,.15);
}
[data-dark="true"] .tag { color: var(--accent); border-color: rgba(14,138,158,.25); }

/* ── Card ── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--gap-md);
  transition: box-shadow var(--t-med), transform var(--t-med);
}
.card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,.07);
  transform: translateY(-2px);
}

/* ── Reveal animation ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .5s ease, transform .5s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── Page section spacing ── */
.page-section {
  padding: 80px 0;
}

/* ── Cursor ── */
.cursor-dot {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  width: 9px; height: 9px;
  background: #18170F;
  transition: width .12s ease, height .12s ease;
}
[data-dark="true"] .cursor-dot { background: #F0EDE6; }
.cursor-dot.hover { width: 13px; height: 13px; }
html.custom-cursor * { cursor: none !important; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--r-md);
  font-size: 14px;
  font-weight: 600;
  transition: all var(--t-med);
}
.btn-fill {
  background: var(--accent);
  color: #fff;
}
.btn-fill:hover { background: var(--accent2); }
.btn-outline {
  border: 1.5px solid var(--border2);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }