/* Classical — design-system tokens and component classes, adapted for atheendre130505.github.io */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;600&family=Lora:wght@400;600&display=swap');

:root {
  --color-bg: #f3f2f2;
  --color-surface: #eae9e9;
  --color-text: #201f1d;
  --color-accent: #b68235;
  --color-accent-2: #ac803e;
  --color-divider: color-mix(in srgb, #201f1d 16%, transparent);

  --color-neutral-100: #f8f4f4;
  --color-neutral-200: #eae7e7;
  --color-neutral-300: #d7d3d3;
  --color-neutral-400: #bab6b6;
  --color-neutral-500: #9b9797;
  --color-neutral-600: #7d7979;
  --color-neutral-700: #605d5d;
  --color-neutral-800: #444141;
  --color-neutral-900: #2d2b2b;

  --color-accent-100: #fff3e4;
  --color-accent-200: #ffe3bf;
  --color-accent-300: #facb8d;
  --color-accent-400: #e1ad66;
  --color-accent-500: #c28d41;
  --color-accent-600: #a06f24;
  --color-accent-700: #7d5411;
  --color-accent-800: #5a3b0a;
  --color-accent-900: #3a270d;

  --font-heading: "Cormorant Garamond", system-ui, sans-serif;
  --font-heading-weight: 600;
  --font-body: "Lora", system-ui, sans-serif;

  --space-1: 4.6px;
  --space-2: 9.2px;
  --space-3: 13.8px;
  --space-4: 18.4px;
  --space-6: 27.6px;
  --space-8: 36.8px;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 7px;

  --shadow-sm: 0 1px 2px color-mix(in srgb, #2d2b2b 14%, transparent);
  --shadow-md: 0 3px 10px color-mix(in srgb, #2d2b2b 16%, transparent);
  --shadow-lg: 0 12px 32px color-mix(in srgb, #2d2b2b 22%, transparent);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1a1918;
    --color-surface: #232120;
    --color-text: #ece8e3;
    --color-divider: color-mix(in srgb, #ece8e3 16%, transparent);

    --color-neutral-100: #2d2b2b;
    --color-neutral-200: #444141;
    --color-neutral-300: #605d5d;
    --color-neutral-400: #7d7979;
    --color-neutral-500: #9b9797;
    --color-neutral-600: #bab6b6;
    --color-neutral-700: #d7d3d3;
    --color-neutral-800: #eae7e7;
    --color-neutral-900: #f8f4f4;

    --color-accent: #d9a75c;
    --color-accent-100: #3a2b12;
    --color-accent-200: #5a3f18;
    --color-accent-300: #7d5411;
    --color-accent-400: #a06f24;
    --color-accent-500: #c28d41;
    --color-accent-600: #e1ad66;
    --color-accent-700: #f0c384;
    --color-accent-800: #ffe3bf;
    --color-accent-900: #fff3e4;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
    --shadow-md: 0 3px 10px rgba(0,0,0,0.45);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.55);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; }
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  font-weight: 400;
  min-height: 100vh;
  overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 var(--space-2);
}
h1 { font-size: 42px; }
h2 { font-size: 32px; }
h3 { font-size: 25px; }
h4 { font-size: 20px; }
h5 { font-size: 16px; }
h6 { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-accent-700); text-underline-offset: 3px; }
a:hover { color: var(--color-accent); }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* — rules — */
.hr { height: 1px; border: 0; margin: var(--space-4) 0; background: var(--color-divider); }

/* — buttons — */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 14px; line-height: 1.2; color: var(--color-text);
  background: transparent; border: 1px solid transparent;
  padding: var(--space-2) calc(var(--space-3) * 1.2);
  border-radius: var(--radius-md);
}
.btn svg { display: block; }
.btn-primary { color: var(--color-accent-700); border-color: var(--color-accent-700); border-width: 1.5px; font-size: 15px; padding: 12px 22px; }
.btn-primary:hover { background: color-mix(in srgb, var(--color-accent) 12%, transparent); }
.btn-primary:active { background: color-mix(in srgb, var(--color-accent) 22%, transparent); }
.btn-secondary { border-color: var(--color-text); border-width: 1.5px; font-size: 15px; padding: 12px 22px; }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 14%, transparent); }

/* — cards — */
.card {
  display: flex; flex-direction: column; gap: var(--space-2);
  padding: var(--space-3); border-radius: var(--radius-md); background: transparent; border: 1px solid var(--color-divider);
}
.card-kicker { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent-700); }
.card-title { font-family: var(--font-heading); font-weight: var(--font-heading-weight); font-size: 17px; line-height: 1.2; }
.card-body { margin: 0; font-size: 13px; opacity: 0.8; flex: 1; }
.elev-sm { box-shadow: var(--shadow-sm); }
.card.elev-sm { transition: box-shadow 0.3s ease, transform 0.3s ease; }
.card.elev-sm:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

/* — tags — */
.tag { display: inline-flex; align-items: center; font-size: 11px; letter-spacing: 0.02em; padding: 3px 10px; border-radius: calc(var(--radius-md) * 0.75); }
.tag-accent { background: var(--color-accent-100); color: var(--color-accent-800); }
.tag-outline { border: 1px solid var(--color-accent); color: var(--color-accent); }

/* — navigation — */
.nav {
  position: sticky; top: 0; z-index: 900;
  display: flex; justify-content: center;
  background: color-mix(in srgb, var(--color-bg) 90%, transparent);
  backdrop-filter: blur(6px);
  padding: 18px 40px;
  overflow-x: hidden;
}
.ar-nav-links { display: flex; gap: 36px; align-items: center; font-size: 13px; letter-spacing: 0.03em; }
.ar-nav-links a { text-decoration: none; padding-bottom: 4px; border-bottom: 1px solid transparent; color: var(--color-text); }
.ar-nav-links a.active { color: var(--color-accent-700); border-bottom-color: var(--color-accent-700); }

/* — scroll progress — */
#scroll-progress { position: fixed; top: 0; left: 0; height: 2px; background: var(--color-accent); z-index: 1000; width: 0%; transition: width 0.1s linear; }

/* — reveal-on-scroll — */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.revealed { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* — page layout — */
section { padding: 100px 40px; max-width: 1180px; margin: 0 auto; }
#hero { padding: 100px 40px 40px; position: relative; }
#projects { padding-top: 40px; padding-bottom: 100px; }
#quote { background: var(--color-surface); padding: 100px 40px; border-top: 1px solid var(--color-divider); border-bottom: 1px solid var(--color-divider); max-width: none; }
#quote .quote-inner { max-width: 900px; margin: 0 auto; position: relative; }
#contact { background: var(--color-surface); padding: 100px 40px 60px; max-width: none; }
#contact .contact-inner { max-width: 1180px; margin: 0 auto; }

.section-kicker { display: flex; align-items: baseline; gap: 16px; margin-bottom: 8px; }
.section-kicker span { font-family: var(--font-heading); font-size: 14px; color: var(--color-accent-700); }
.section-kicker h2 { margin: 0; }

.ar-hero-ghost { position: absolute; right: -20px; top: -60px; font-family: var(--font-heading); font-size: 200px; font-weight: 400; color: var(--color-accent-100); line-height: 1; z-index: 0; user-select: none; opacity: 0.7; }
.ar-hero-name { font-size: 88px; font-weight: 400; margin: 0 0 20px; letter-spacing: -0.02em; max-width: 900px; }
.ar-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.ar-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.ar-exp-row { display: grid; grid-template-columns: 220px 1fr; gap: 24px; padding: 28px 0; border-bottom: 1px solid var(--color-divider); }
.justify { text-align: justify; }

.os-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--color-divider); text-decoration: none; color: inherit; }
.os-row:hover { background: color-mix(in srgb, var(--color-accent-700) 4%, transparent); }
.os-row-left { display: flex; align-items: center; gap: 18px; }

@media (max-width: 860px) {
  section { padding-left: 24px !important; padding-right: 24px !important; }
  .nav { padding-left: 16px !important; padding-right: 16px !important; }
  .ar-nav-links { display: none !important; }
  .ar-hero-name { font-size: 44px !important; }
  .ar-grid-2 { grid-template-columns: 1fr !important; }
  .ar-grid-3 { grid-template-columns: 1fr !important; }
  .ar-exp-row { grid-template-columns: 1fr !important; gap: 8px !important; }
  .ar-hero-ghost { display: none; }
}
@media (max-width: 480px) {
  .ar-hero-name { font-size: 34px !important; }
}