/* ============================================================
   Shaurya Sharma — Portfolio Design System  ·  "Foundry"
   An earthy, premium, engineering-focused design language.
   Palette: Dark Walnut · Burnt Tangerine · Honey Bronze ·
            Jasmine · Pearl Beige.  See DESIGN-SYSTEM.md.
   ============================================================ */

/* ---------- 1. DESIGN TOKENS ---------- */
:root {
  /* Brand palette (raw) */
  --walnut:   #61210f;   /* Dark Walnut   — deep, grounding */
  --walnut-2: #7a2e18;   /* lifted walnut for gradients      */
  --tangerine:#ea2b1f;   /* Burnt Tangerine — energy accent  */
  --tangerine-strong:#e02419; /* AA-safe fill for white text  */
  --bronze:   #edae49;   /* Honey Bronze  — warm secondary   */
  --jasmine:  #f9df74;   /* Jasmine       — bright highlight */
  --beige:    #f9edcc;   /* Pearl Beige   — soft canvas      */

  /* Semantic tokens — LIGHT THEME (default) */
  --bg:          #fbf4de;               /* page — a touch lighter than beige */
  --bg-tint:     #f6e9c6;               /* alternating band                  */
  --surface:     #fffdf5;               /* cards                             */
  --surface-2:   #f3e6c0;               /* nested / inset surfaces           */
  --ink:         #3a1408;               /* primary text — 12:1 on bg         */
  --ink-soft:    #6b3b23;               /* secondary text — passes AA        */
  --line:        #e2cfa0;              /* hairline borders                  */
  --accent:      #c0231a;               /* tangerine, darkened for AA links  */
  --accent-bright:#ea2b1f;             /* full tangerine — large text / UI  */
  --gold:        #8a5e10;               /* bronze, darkened for AA-on-light  */
  --gold-bright: #edae49;               /* decorative bronze                 */
  --heading:     #52210e;               /* headings                          */
  --on-dark:     #f9edcc;               /* text on walnut panels             */

  /* Typography */
  --font-display: 'Fraunces', 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Fluid type scale */
  --text-xs:   clamp(0.72rem, 0.69rem + 0.12vw, 0.78rem);
  --text-sm:   clamp(0.85rem, 0.81rem + 0.2vw, 0.95rem);
  --text-base: clamp(1rem, 0.96rem + 0.28vw, 1.12rem);
  --text-lg:   clamp(1.15rem, 1.05rem + 0.5vw, 1.4rem);
  --text-xl:   clamp(1.45rem, 1.25rem + 1vw, 2rem);
  --text-2xl:  clamp(1.9rem, 1.5rem + 2vw, 3rem);
  --text-3xl:  clamp(2.6rem, 1.9rem + 3.4vw, 4.8rem);

  /* Spacing scale */
  --space-2xs: 0.35rem;
  --space-xs:  0.6rem;
  --space-sm:  1rem;
  --space-md:  1.75rem;
  --space-lg:  3.25rem;
  --space-xl:  5.5rem;

  /* Motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 0.32s;
  --dur-slow: 0.75s;

  /* Radii & elevation */
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-soft: 0 4px 18px -6px rgba(58, 20, 8, 0.16);
  --shadow-lift: 0 22px 48px -18px rgba(58, 20, 8, 0.32);
  --shadow-glow: 0 10px 40px -12px rgba(234, 43, 31, 0.35);

  --maxw: 1180px;
}

/* Semantic tokens — DARK THEME */
[data-theme="dark"] {
  --bg:          #1a0a05;
  --bg-tint:     #22100a;
  --surface:     #2a130c;
  --surface-2:   #351a10;
  --ink:         #f7ecce;
  --ink-soft:    #d7b98f;
  --line:        #4a2717;
  --accent:      #ff6a4d;               /* brightened tangerine for dark bg */
  --accent-bright:#ff6a4d;
  --gold:        #edae49;               /* bronze reads well on walnut      */
  --gold-bright: #f9df74;
  --heading:     #f6d99a;
  --on-dark:     #f9edcc;
  --shadow-soft: 0 4px 18px -6px rgba(0, 0, 0, 0.5);
  --shadow-lift: 0 22px 48px -18px rgba(0, 0, 0, 0.65);
  --shadow-glow: 0 10px 44px -10px rgba(255, 106, 77, 0.4);
}

/* ---------- 2. RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: clip; }
body { min-height: 100vh; line-height: 1.65; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img, picture, svg, video { max-width: 100%; height: auto; display: block; }
input, button, textarea, select { font: inherit; color: inherit; }
ul[class] { list-style: none; }
:target { scroll-margin-top: 6rem; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* ---------- 3. BASE ---------- */
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  background: var(--bg);
  color: var(--ink);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.08; color: var(--heading); letter-spacing: -0.015em; }
h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-lg); }
p { max-width: 68ch; }
p + p { margin-top: var(--space-sm); }

a { color: var(--accent); text-decoration-color: color-mix(in srgb, var(--accent) 35%, transparent); text-underline-offset: 3px; transition: color var(--dur) var(--ease); }
a:hover { color: var(--accent-bright); }

.highlight { color: var(--accent); font-weight: 600; }
strong { color: var(--heading); font-weight: 650; }
em { color: var(--ink-soft); }

:focus-visible { outline: 3px solid var(--accent-bright); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: fixed; left: -999px; top: 0.75rem;
  background: var(--walnut); color: var(--beige);
  padding: 0.6rem 1.1rem; border-radius: 8px; text-decoration: none; z-index: 300; font-weight: 600;
}
.skip-link:focus { left: 0.75rem; }

blockquote {
  font-family: var(--font-display); font-style: italic; font-size: var(--text-lg);
  color: var(--ink-soft); border-left: 3px solid var(--gold-bright);
  padding-left: var(--space-md); margin: var(--space-md) 0; max-width: 60ch;
}

code, kbd { font-family: var(--font-mono); font-size: 0.86em; }

/* ---------- 4. LAYOUT PRIMITIVES ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.25rem, 5vw, 2.75rem); }
.section { padding-block: var(--space-xl); }
.section--tint { background: var(--bg-tint); transition: background-color var(--dur) var(--ease); }

.section-head { max-width: 62ch; margin-bottom: var(--space-lg); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent);
  margin-bottom: var(--space-sm);
}
.eyebrow::before { content: ''; width: 28px; height: 2px; background: var(--accent); border-radius: 2px; }
.section-head p { color: var(--ink-soft); font-size: var(--text-lg); margin-top: var(--space-xs); }

/* ---------- 5. SKIP-NAV / TOP BAR ---------- */
.topbar {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-md);
  padding: 0.7rem clamp(1.25rem, 5vw, 2.75rem);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.topbar.is-scrolled { border-bottom-color: var(--line); }
.brand { display: flex; align-items: center; gap: 0.65rem; font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; color: var(--heading); text-decoration: none; letter-spacing: -0.01em; }
.brand .monogram {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--walnut), var(--tangerine));
  color: var(--beige); font-size: 0.95rem; font-weight: 700; box-shadow: var(--shadow-soft);
}
.nav-links { display: flex; align-items: center; gap: clamp(0.5rem, 2vw, 1.6rem); }
.nav-links a {
  text-decoration: none; font-weight: 500; font-size: var(--text-sm); color: var(--ink);
  padding: 0.35rem 0.2rem; position: relative; transition: color var(--dur) var(--ease);
}
.nav-links a::after { content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform var(--dur) var(--ease); border-radius: 2px; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--accent); }
.nav-links a[aria-current="page"]::after, .nav-links a:hover::after { transform: scaleX(1); }

.theme-toggle {
  display: grid; place-items: center; width: 38px; height: 38px; flex-shrink: 0; border-radius: 10px;
  background: var(--surface); border: 1px solid var(--line); cursor: pointer; color: var(--heading);
  font-size: 1rem; transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.theme-toggle:hover { transform: translateY(-2px) rotate(-8deg); border-color: var(--gold-bright); }
/* CTA in the nav is a button, not a plain link — restore proper button padding/size
   (the generic `.nav-links a` rule would otherwise win on specificity and squash it). */
.nav-links a.nav-cta { display: inline-flex; padding: 0.6rem 1.25rem; font-size: var(--text-sm); }

/* Mobile nav */
.nav-toggle { display: none; }
@media (max-width: 720px) {
  /* backdrop-filter makes the topbar the containing block for the fixed drawer,
     anchoring the menu to the header instead of the screen — disable it on phones */
  .topbar { backdrop-filter: none; -webkit-backdrop-filter: none; background: color-mix(in srgb, var(--bg) 96%, transparent); }
  .nav-toggle { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; background: var(--surface); border: 1px solid var(--line); cursor: pointer; color: var(--heading); }
  .nav-cluster { display: flex; align-items: center; gap: 0.5rem; }
  .nav-links {
    position: fixed; inset: 0 0 0 auto; width: min(78vw, 320px); flex-direction: column; align-items: flex-start;
    justify-content: center; gap: var(--space-md); padding: var(--space-xl) var(--space-md);
    background: var(--surface); box-shadow: var(--shadow-lift); transform: translateX(100%);
    transition: transform var(--dur) var(--ease-out); z-index: 120;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { font-size: var(--text-lg); }
}

/* ---------- 6. BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--font-body); font-weight: 600; font-size: var(--text-sm); letter-spacing: 0.01em;
  padding: 0.8rem 1.5rem; border-radius: 999px; border: 1.5px solid transparent; cursor: pointer;
  text-decoration: none; transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.btn svg { width: 1.05em; height: 1.05em; }
.btn-primary { background: var(--tangerine-strong); color: #fff; box-shadow: var(--shadow-glow); }
.btn-primary:hover { transform: translateY(-3px); color: #fff; box-shadow: 0 16px 44px -12px rgba(234, 43, 31, 0.5); }
.btn-ghost { background: transparent; color: var(--heading); border-color: var(--line); }
.btn-ghost:hover { transform: translateY(-3px); border-color: var(--gold-bright); background: var(--surface); }
.btn:active { transform: translateY(-1px); }
.btn-sm { padding: 0.55rem 1.05rem; font-size: var(--text-xs); }

/* ---------- 7. HERO ---------- */
.hero { position: relative; padding-block: clamp(3.5rem, 8vw, 6.5rem) var(--space-xl); overflow: clip; }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-lg); align-items: center; }
@media (min-width: 900px) { .hero-grid { grid-template-columns: 1.15fr 0.85fr; gap: var(--space-xl); } }

.hero-status {
  display: inline-flex; align-items: center; gap: 0.55rem; font-family: var(--font-mono);
  font-size: var(--text-xs); letter-spacing: 0.06em; color: var(--ink-soft);
  background: var(--surface); border: 1px solid var(--line); padding: 0.4rem 0.9rem; border-radius: 999px; margin-bottom: var(--space-md);
}
.hero-status .dot { width: 8px; height: 8px; border-radius: 50%; background: #46a758; box-shadow: 0 0 0 0 rgba(70,167,88,0.5); animation: pulse 2.4s var(--ease) infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(70,167,88,0.5); } 70% { box-shadow: 0 0 0 8px rgba(70,167,88,0); } 100% { box-shadow: 0 0 0 0 rgba(70,167,88,0); } }

.hero h1 { font-size: var(--text-3xl); margin-bottom: var(--space-sm); }
.hero h1 .accent { color: var(--accent); font-style: italic; }
.hero-lead { font-size: var(--text-lg); color: var(--ink-soft); max-width: 52ch; margin-bottom: var(--space-md); }
.hero-roles { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--heading); margin-bottom: var(--space-lg); }
.hero-roles .rotator { color: var(--accent); font-weight: 600; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); }

/* Hero portrait card */
.hero-figure { position: relative; justify-self: center; width: min(100%, 360px); }
.hero-figure .portrait-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lift); border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--walnut), var(--walnut-2));
  aspect-ratio: 4 / 5;
}
.hero-figure img { width: 100%; height: 100%; object-fit: cover; }
.hero-figure .badge {
  position: absolute; bottom: 0.9rem; left: 0.9rem; right: 0.9rem;
  display: flex; align-items: center; gap: 0.7rem; padding: 0.7rem 0.9rem;
  background: color-mix(in srgb, var(--walnut) 82%, transparent);
  backdrop-filter: blur(8px); border-radius: var(--radius); color: var(--beige); font-size: var(--text-xs);
}
.hero-figure .badge strong { color: var(--jasmine); display: block; font-size: var(--text-sm); }
.hero-figure .badge .medal { font-size: 1.5rem; }
.hero-figure .float {
  position: absolute; font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 500;
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 0.4rem 0.7rem;
  box-shadow: var(--shadow-soft); color: var(--heading);
}
.hero-figure .float-1 { top: 8%; right: -6%; }
.hero-figure .float-2 { bottom: 22%; left: -10%; }

/* Hero stat strip */
.hero-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-sm); margin-top: var(--space-lg); }
@media (min-width: 560px) { .hero-stats { grid-template-columns: repeat(4, 1fr); } }
.stat { padding: var(--space-sm) 0; border-top: 2px solid var(--line); }
.stat .num { font-family: var(--font-display); font-size: var(--text-xl); color: var(--heading); font-weight: 600; line-height: 1; }
.stat .label { font-size: var(--text-xs); color: var(--ink-soft); letter-spacing: 0.04em; text-transform: uppercase; margin-top: 0.35rem; }

/* ---------- 8. MARQUEE ---------- */
.marquee { border-block: 1px solid var(--line); padding-block: var(--space-sm); overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; gap: var(--space-lg); width: max-content; animation: scroll-x 34s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee span { font-family: var(--font-mono); font-size: var(--text-sm); color: var(--ink-soft); letter-spacing: 0.08em; text-transform: uppercase; display: inline-flex; align-items: center; gap: var(--space-lg); }
.marquee span::after { content: '◆'; color: var(--gold-bright); font-size: 0.6em; }
@keyframes scroll-x { to { transform: translateX(-50%); } }

/* ---------- 9. CARDS / GENERIC ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: var(--space-md); box-shadow: var(--shadow-soft); }

/* ---------- 10. FEATURED PROJECTS ---------- */
.projects-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-md); }
@media (min-width: 760px) { .projects-grid { grid-template-columns: repeat(6, 1fr); } }

.pcard {
  position: relative; display: flex; flex-direction: column; grid-column: span 6;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; text-decoration: none; color: inherit; box-shadow: var(--shadow-soft);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
  min-height: 260px;
}
.pcard:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); border-color: color-mix(in srgb, var(--gold-bright) 60%, var(--line)); }
@media (min-width: 760px) {
  .pcard--lg { grid-column: span 6; }
  .pcard--md { grid-column: span 3; }
}
.pcard-cover { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: linear-gradient(150deg, var(--walnut), var(--walnut-2)); }
.pcard--md .pcard-cover { aspect-ratio: 16 / 8; }
.pcard-cover svg, .pcard-cover img { width: 100%; height: 100%; object-fit: cover; }
.pcard-cover .cover-tag {
  position: absolute; top: 0.85rem; left: 0.85rem; font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: 0.08em; text-transform: uppercase; padding: 0.3rem 0.7rem; border-radius: 999px;
  background: color-mix(in srgb, var(--walnut) 60%, transparent); color: var(--jasmine); backdrop-filter: blur(6px);
}
.pcard-cover .cover-flag {
  position: absolute; top: 0.85rem; right: 0.85rem; font-family: var(--font-body); font-weight: 600; font-size: var(--text-xs);
  padding: 0.3rem 0.7rem; border-radius: 999px; background: var(--tangerine-strong); color: #fff;
}
/* In-development flag reads differently from awards/flagship */
.pcard-cover .cover-flag--wip { background: color-mix(in srgb, var(--walnut) 55%, transparent); border: 1.5px dashed var(--jasmine); color: var(--jasmine); backdrop-filter: blur(6px); }

/* Flagship card: editorial split layout on desktop */
@media (min-width: 1100px) {
  .pcard--lg { flex-direction: row; }
  .pcard--lg .pcard-cover { width: 52%; aspect-ratio: auto; }
  .pcard--lg .pcard-body { width: 48%; justify-content: center; padding: var(--space-lg); }
}
.pcard-body { padding: var(--space-md); display: flex; flex-direction: column; gap: 0.7rem; flex: 1; }
.pcard-body h3 { color: var(--heading); font-size: var(--text-lg); }
.pcard-body p { color: var(--ink-soft); font-size: var(--text-sm); }
.pcard-tech { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: auto; }
.chip { font-family: var(--font-mono); font-size: var(--text-xs); padding: 0.25rem 0.6rem; border-radius: 7px; background: var(--surface-2); color: var(--ink-soft); border: 1px solid var(--line); }
.pcard-more { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 600; font-size: var(--text-sm); color: var(--accent); }
.pcard-more svg { width: 1.05em; height: 1.05em; flex-shrink: 0; transition: transform var(--dur) var(--ease); }
.pcard:hover .pcard-more svg { transform: translateX(4px); }

/* ---------- 11. SKILLS MATRIX ---------- */
.skills-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-md); }
@media (min-width: 640px) { .skills-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .skills-grid { grid-template-columns: repeat(3, 1fr); } }
.skill-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: var(--space-md); transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.skill-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.skill-card .icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: color-mix(in srgb, var(--gold-bright) 22%, transparent); color: var(--gold); margin-bottom: var(--space-sm); }
.skill-card .icon svg { width: 22px; height: 22px; }
.skill-card h3 { font-size: var(--text-base); font-family: var(--font-body); font-weight: 700; color: var(--heading); letter-spacing: 0; margin-bottom: var(--space-xs); }
.skill-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.skill-list li { font-size: var(--text-xs); font-family: var(--font-mono); padding: 0.28rem 0.6rem; border-radius: 7px; background: var(--surface-2); color: var(--ink-soft); }

/* Legacy skill tag (kept for compatibility) */
.skill-grid { display: flex; flex-wrap: wrap; gap: var(--space-xs) var(--space-sm); margin-top: var(--space-sm); }
.skill-tag { background: var(--surface); color: var(--accent); border: 1px solid var(--line); border-radius: 999px; padding: 0.45rem 1.1rem; font-size: var(--text-sm); font-weight: 500; }

/* ---------- 12. ABOUT ---------- */
.about-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-lg); align-items: start; }
@media (min-width: 820px) { .about-grid { grid-template-columns: 1fr 0.85fr; } }
.portrait { margin: 0; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-soft); border: 1px solid var(--line); }

/* ---------- 13. CASE STUDY (projects page) ---------- */
.case { padding-block: var(--space-lg); border-top: 1px solid var(--line); }
.case:first-of-type { border-top: 0; }
.case-hero { display: grid; grid-template-columns: 1fr; gap: var(--space-md); margin-bottom: var(--space-lg); }
@media (min-width: 860px) { .case-hero { grid-template-columns: 1.4fr 1fr; align-items: end; } }
.case-hero .kicker { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); }
.case-hero h2 { font-size: var(--text-2xl); margin: var(--space-xs) 0; }
.case-hero .summary { color: var(--ink-soft); font-size: var(--text-lg); }
.case-meta { display: grid; grid-template-columns: repeat(2, auto); gap: var(--space-sm) var(--space-md); align-content: end; }
.case-meta dt { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); }
.case-meta dd { font-size: var(--text-sm); color: var(--heading); font-weight: 600; margin-top: 0.15rem; }
.case-tech { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: var(--space-md); grid-column: 1 / -1; }

/* Alternating case steps */
.case-step { display: grid; grid-template-columns: 1fr; gap: var(--space-md); align-items: center; margin-bottom: var(--space-lg); }
@media (min-width: 860px) {
  .case-step { grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
  .case-step.reverse > .step-text { order: 2; }
  .case-step.reverse > .img-frame, .case-step.reverse > .step-visual { order: 1; }
}
.step-label { font-family: var(--font-mono); font-size: var(--text-sm); letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); font-weight: 600; display: block; margin-bottom: var(--space-xs); }
.step-text h3 { color: var(--heading); margin-bottom: var(--space-xs); }
.step-text p { color: var(--ink-soft); }
.step-text p strong { color: var(--heading); }

/* Two-column "grid list" used inside case studies */
.case-columns { display: grid; grid-template-columns: 1fr; gap: var(--space-md); margin-bottom: var(--space-lg); }
@media (min-width: 720px) { .case-columns { grid-template-columns: repeat(2, 1fr); } }
.mini-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: var(--space-md); }
.mini-card h4 { font-family: var(--font-body); font-weight: 700; color: var(--heading); font-size: var(--text-base); margin-bottom: var(--space-xs); letter-spacing: 0; }
.mini-card p { font-size: var(--text-sm); color: var(--ink-soft); }
.mini-card .lead { color: var(--accent); font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; display: block; margin-bottom: 0.4rem; }

.callout { background: var(--surface-2); border-left: 3px solid var(--tangerine); border-radius: 0 var(--radius) var(--radius) 0; padding: var(--space-md); margin: var(--space-md) 0; }
.callout .lead { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); display: block; margin-bottom: 0.4rem; }
.callout p { color: var(--ink); font-size: var(--text-base); }

/* Image frame */
.img-frame { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-soft); border: 1px solid var(--line); background: var(--surface-2); }
.img-frame img { cursor: zoom-in; width: 100%; }
.img-frame::after { content: ''; position: absolute; inset: 10px; pointer-events: none; border: 1px solid transparent; border-radius: calc(var(--radius) - 6px); transition: border-color var(--dur) var(--ease), inset var(--dur) var(--ease); }
.img-frame:hover::after { border-color: color-mix(in srgb, var(--jasmine) 70%, transparent); inset: 14px; }
figcaption { font-size: var(--text-xs); color: var(--ink-soft); margin-top: 0.55rem; text-align: center; }
.img-frame figcaption { padding: 0 var(--space-sm) var(--space-xs); }

/* Diagram visual block (inline SVG covers / architecture) */
.step-visual { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-soft); background: linear-gradient(160deg, var(--surface), var(--surface-2)); }
.step-visual svg { width: 100%; height: auto; display: block; }

/* Group dividers on the Work page */
.group-head {
  display: flex; align-items: center; gap: var(--space-sm); margin-top: var(--space-lg);
  font-family: var(--font-mono); font-size: var(--text-xs); font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-soft);
}
.group-head::after { content: ''; flex: 1; height: 1px; background: var(--line); }
.group-head + .case { border-top: 0; }

/* In-development status pill (next to a case kicker) */
.status-pill {
  display: inline-block; margin-left: 0.6rem; font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: 0.06em; text-transform: uppercase; padding: 0.18rem 0.65rem;
  border: 1.5px dashed var(--gold); border-radius: 999px; color: var(--gold);
}

/* Project index chips */
.project-index { display: flex; flex-wrap: wrap; gap: 0.5rem; padding-block: var(--space-sm) var(--space-md); }
.project-index a { font-family: var(--font-mono); font-size: var(--text-xs); text-decoration: none; color: var(--ink-soft); border: 1px solid var(--line); border-radius: 999px; padding: 0.35rem 0.85rem; transition: all var(--dur) var(--ease); }
.project-index a:hover { color: var(--accent); border-color: var(--accent); background: var(--surface); }

/* ---------- 13b. COMPACT CASE (scannable) ---------- */
.case-head { max-width: 64ch; margin-bottom: var(--space-md); }
.case-head .kicker { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); }
.case-head h2 { font-size: var(--text-xl); margin: 0.35rem 0; }
.case-head .summary { color: var(--ink-soft); font-size: var(--text-lg); }
.case-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: var(--space-sm); }

.case-body { display: grid; grid-template-columns: 1fr; gap: var(--space-md); align-items: center; }
@media (min-width: 820px) {
  .case-body { grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
  .case.reverse .case-visual { order: 2; }
  .case.reverse .case-facts { order: 1; }
}
.case-facts .fact { margin-top: var(--space-sm); color: var(--ink-soft); font-size: var(--text-base); }
.case-facts .fact:first-child { margin-top: 0; }
.case-facts .fact b { color: var(--heading); font-weight: 650; }
.case-facts .note { margin-top: var(--space-md); font-size: var(--text-sm); color: var(--ink-soft); border-top: 1px dashed var(--line); padding-top: var(--space-sm); }
.case-facts .note b { color: var(--accent); font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.06em; text-transform: uppercase; }

/* Spec panel — a calm visual for software projects (no busy diagrams) */
.spec-panel { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-soft); background: var(--surface); }
.spec-top { background: linear-gradient(135deg, var(--walnut), var(--walnut-2)); color: var(--beige); padding: var(--space-sm) var(--space-md); font-family: var(--font-mono); font-size: var(--text-sm); display: flex; align-items: center; gap: 0.6rem; }
.spec-top .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--jasmine); }
.spec-row { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-md); padding: 0.7rem var(--space-md); border-top: 1px solid var(--line); }
.spec-row span { color: var(--ink-soft); font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.06em; text-transform: uppercase; }
.spec-row b { color: var(--heading); font-weight: 600; text-align: right; }

/* ---------- 14. TIMELINE ---------- */
.timeline { position: relative; margin-top: var(--space-lg); }
.timeline::before { content: ''; position: absolute; left: 9px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--gold-bright), var(--line)); }
.tl-item { position: relative; padding-left: 2.4rem; padding-bottom: var(--space-lg); }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before { content: ''; position: absolute; left: 2px; top: 4px; width: 16px; height: 16px; border-radius: 50%; background: var(--surface); border: 3px solid var(--gold-bright); }
.tl-item.is-award::before { background: var(--tangerine); border-color: var(--tangerine); box-shadow: 0 0 0 4px color-mix(in srgb, var(--tangerine) 22%, transparent); }
.tl-date { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.06em; color: var(--accent); text-transform: uppercase; }
.tl-item h3 { font-size: var(--text-base); font-family: var(--font-body); font-weight: 700; color: var(--heading); letter-spacing: 0; margin: 0.2rem 0; }
.tl-item p { font-size: var(--text-sm); color: var(--ink-soft); }

/* ---------- 15. AWARDS / STAT PANELS ---------- */
.panel-dark { background: linear-gradient(160deg, var(--walnut), var(--walnut-2)); color: var(--on-dark); border-radius: var(--radius-lg); padding: clamp(2rem, 5vw, 3.5rem); box-shadow: var(--shadow-lift); }
.panel-dark h2, .panel-dark h3 { color: var(--jasmine); }
.panel-dark p { color: color-mix(in srgb, var(--beige) 82%, transparent); }
.panel-dark .eyebrow { color: var(--bronze); }
.panel-dark .eyebrow::before { background: var(--bronze); }

.awards-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-md); margin-top: var(--space-md); }
@media (min-width: 640px) { .awards-grid { grid-template-columns: repeat(3, 1fr); } }
.award { display: flex; gap: var(--space-sm); align-items: flex-start; padding: var(--space-md); background: color-mix(in srgb, #fff 6%, transparent); border: 1px solid color-mix(in srgb, var(--bronze) 30%, transparent); border-radius: var(--radius); }
.award .medal { font-size: 1.8rem; line-height: 1; }
.award h3 { font-size: var(--text-base); font-family: var(--font-body); font-weight: 700; letter-spacing: 0; margin-bottom: 0.2rem; }
.award p { font-size: var(--text-sm); }

/* ---------- 16. CONTACT CTA ---------- */
.cta-band { text-align: center; }
.cta-band h2 { font-size: var(--text-2xl); margin-bottom: var(--space-sm); }
.cta-band p { margin-inline: auto; margin-bottom: var(--space-lg); }
.cta-actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); justify-content: center; }

/* ---------- 17. FOOTER ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: var(--space-lg); }
.footer-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-md); align-items: center; }
.footer-nav { display: flex; flex-wrap: wrap; gap: var(--space-md); }
.footer-nav a { text-decoration: none; font-weight: 500; font-size: var(--text-sm); color: var(--ink-soft); }
.footer-nav a:hover { color: var(--accent); }
.footer-meta { font-size: var(--text-xs); color: var(--ink-soft); font-family: var(--font-mono); }

/* ---------- 18. ANIMATION TOOLKIT ---------- */
.hover-lift { transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.hover-lift:hover { transform: translateY(-5px); box-shadow: var(--shadow-lift); }
.hover-zoom img { transition: transform 0.6s var(--ease); }
.hover-zoom:hover img { transform: scale(1.05); }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }
.fade-in { opacity: 0; transition: opacity var(--dur-slow) var(--ease-out); }
.fade-in.is-visible { opacity: 1; }
/* Back-compat aliases */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.fade-up.is-visible { opacity: 1; transform: none; }
.delay-1 { transition-delay: 0.12s; } .delay-2 { transition-delay: 0.24s; } .delay-3 { transition-delay: 0.36s; }

/* ---------- 19. POLISH LAYER ---------- */
::selection { background: var(--tangerine); color: #fff; }
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 6px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

#scroll-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 200; background: linear-gradient(90deg, var(--tangerine), var(--bronze)); }

#to-top {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 90; width: 46px; height: 46px;
  border: 1px solid var(--line); border-radius: 50%; background: var(--surface); color: var(--accent);
  font-size: 1.15rem; cursor: pointer; box-shadow: var(--shadow-soft); opacity: 0; pointer-events: none;
  transform: translateY(10px); transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
#to-top.show { opacity: 1; pointer-events: auto; transform: none; }
#to-top:hover { background: var(--tangerine); color: #fff; border-color: var(--tangerine); }

#lightbox { display: none; position: fixed; inset: 0; z-index: 250; background: rgba(26, 10, 5, 0.95); align-items: center; justify-content: center; flex-direction: column; gap: 1rem; cursor: zoom-out; padding: 2rem; }
#lightbox.open { display: flex; animation: lb-in 0.28s var(--ease-out); }
@keyframes lb-in { from { opacity: 0; } to { opacity: 1; } }
#lightbox img { max-width: 92vw; max-height: 82vh; object-fit: contain; border-radius: var(--radius); box-shadow: var(--shadow-lift); }
#lightbox figcaption { color: var(--beige); font-size: var(--text-sm); text-align: center; max-width: 70ch; }
#lightbox .lb-close { position: fixed; top: 1.25rem; right: 1.5rem; width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(249,237,204,0.3); background: transparent; color: var(--beige); font-size: 1.3rem; cursor: pointer; }

.noscript-note { background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius); padding: var(--space-sm); text-align: center; font-size: var(--text-sm); }

/* ---------- 20a. PREMIUM POLISH ---------- */
/* Soft warm glow behind the hero for depth */
.hero::before {
  content: ''; position: absolute; inset: -20% -10% auto -10%; height: 70%; z-index: -1;
  background: radial-gradient(60% 60% at 30% 20%, color-mix(in srgb, var(--gold-bright) 20%, transparent), transparent 70%);
  pointer-events: none;
}
/* Legibility scrim so cover tags/flags always read over any image */
.pcard-cover::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, color-mix(in srgb, var(--walnut) 30%, transparent) 0%, transparent 32%);
}
.pcard-cover .cover-tag, .pcard-cover .cover-flag { z-index: 2; }
/* Headings: a touch more refined */
.section-head h2, .cta-band h2 { text-wrap: balance; }
.pcard-body h3 { letter-spacing: -0.01em; }
/* Chips read a hair crisper */
.chip { transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease); }
.pcard:hover .chip { border-color: color-mix(in srgb, var(--gold-bright) 40%, var(--line)); }
/* Case images lift subtly on hover, matching the card language */
.case-visual.img-frame { transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.case-visual.img-frame:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }
/* Eyebrow gets a faint gradient tick */
.eyebrow::before { background: linear-gradient(90deg, var(--accent), var(--gold-bright)); }

/* ---------- 20. MOBILE POLISH ---------- */
@media (max-width: 640px) {
  :root { --space-xl: 3.25rem; --space-lg: 2.25rem; }         /* tighter section rhythm on phones */
  h1, .hero h1 { font-size: clamp(2rem, 8.5vw, 2.6rem); }     /* headline scaled for narrow screens */
  h2 { font-size: clamp(1.6rem, 6.5vw, 2.2rem); }
  .hero { padding-block: 2rem 3rem; }
  .topbar { padding-block: 0.55rem; }
  .hero-figure .float { display: none; }                       /* code chips overflow / clip on phones */
  .hero-lead { font-size: var(--text-base); }
  .hero-stats { margin-top: var(--space-md); }
  .section-head p { font-size: var(--text-base); }
  .pcard-body { padding: var(--space-sm) var(--space-sm) var(--space-md); }
  .pcard--lg .pcard-body { padding: var(--space-sm) var(--space-sm) var(--space-md); }
  .spec-row { flex-wrap: wrap; gap: 0.2rem var(--space-sm); }
  .spec-row b { text-align: left; }
  .case-head h2 { font-size: clamp(1.45rem, 6vw, 1.9rem); }
  .case-hero h2 { font-size: clamp(1.6rem, 6.5vw, 2.2rem); }
  .marquee-track { gap: var(--space-md); }
  .marquee span { gap: var(--space-md); }
  .panel-dark { border-radius: var(--radius); }
  .cta-band h2 { font-size: clamp(1.6rem, 7vw, 2.2rem); }
  #to-top { width: 42px; height: 42px; right: 1rem; bottom: 1rem; }
  .footer-grid { justify-content: center; text-align: center; }
}