/* =========================================================================
   Rodney John — "Signal" design system
   Salesforce reporting and business systems personal site.
   Light theme by default, dark theme via [data-theme="dark"]. Motion is
   layered on and fully disabled under prefers-reduced-motion.
   ========================================================================= */

/* ------------------------- Tokens: LIGHT (default) ----------------------- */
:root {
  /* Surfaces */
  --bg: #f6f8fc;
  --bg-elev: #ffffff;
  --surface: #ffffff;
  --surface-2: #f2f6fc;

  /* Text */
  --text: #0f172a;
  --text-dim: #4a5468;
  --text-faint: #8a93a6;

  /* Lines */
  --line: rgba(15, 23, 42, 0.10);
  --line-strong: rgba(15, 23, 42, 0.20);

  /* Brand */
  --cyan: #0891b2;
  --azure: #2563eb;
  --indigo: #7c3aed;
  --grad: linear-gradient(120deg, #06b6d4, #2563eb 55%, #7c3aed);
  --grad-ink: linear-gradient(120deg, #0891b2, #2563eb 52%, #7c3aed);
  --grad-soft: linear-gradient(120deg, rgba(8, 145, 178, 0.10), rgba(124, 58, 237, 0.10));
  --btn-text: #ffffff;

  /* Signal colors */
  --pos: #15803d;
  --neg: #b91c1c;

  /* Effects */
  --shadow-card: 0 20px 45px -28px rgba(15, 23, 42, 0.35);
  --shadow-console: 0 40px 80px -46px rgba(15, 23, 42, 0.40), inset 0 1px 0 rgba(255, 255, 255, 0.7);
  --grid-line: rgba(15, 23, 42, 0.05);
  --grain-opacity: 0.02;
  --mesh:
    radial-gradient(45% 45% at 20% 15%, rgba(6, 182, 212, 0.14), transparent 60%),
    radial-gradient(40% 40% at 85% 20%, rgba(124, 58, 237, 0.12), transparent 60%),
    radial-gradient(50% 50% at 70% 90%, rgba(37, 99, 235, 0.10), transparent 60%);
  --console-bg: linear-gradient(180deg, #ffffff, #f4f7fb);
  --console-bar-bg: rgba(15, 23, 42, 0.03);
  --nav-bg: rgba(246, 248, 252, 0.72);
  --glow: rgba(37, 99, 235, 0.10);

  /* Type */
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  /* Layout */
  --container: 1200px;
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --radius: 18px;
  --radius-sm: 12px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* ---------------------------- Tokens: DARK ------------------------------- */
[data-theme="dark"] {
  --bg: #060910;
  --bg-elev: #0f1524;
  --surface: linear-gradient(180deg, rgba(21, 29, 49, 0.55), rgba(10, 14, 26, 0.35));
  --surface-2: rgba(255, 255, 255, 0.03);

  --text: #eaf0fa;
  --text-dim: #9aa4bb;
  --text-faint: #5b6580;

  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);

  --cyan: #34e4ea;
  --azure: #4da6ff;
  --indigo: #8b7bfb;
  --grad: linear-gradient(120deg, #34e4ea, #4da6ff 55%, #8b7bfb);
  --grad-ink: linear-gradient(120deg, #34e4ea, #4da6ff 55%, #8b7bfb);
  --grad-soft: linear-gradient(120deg, rgba(52, 228, 234, 0.14), rgba(139, 123, 251, 0.14));
  --btn-text: #060910;

  --pos: #28c840;
  --neg: #ff5f57;

  --shadow-card: 0 40px 90px -40px rgba(0, 0, 0, 0.8);
  --shadow-console: 0 40px 90px -40px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  --grid-line: rgba(255, 255, 255, 0.08);
  --grain-opacity: 0.035;
  --mesh:
    radial-gradient(45% 45% at 20% 15%, rgba(52, 228, 234, 0.16), transparent 60%),
    radial-gradient(40% 40% at 85% 20%, rgba(139, 123, 251, 0.16), transparent 60%),
    radial-gradient(50% 50% at 70% 90%, rgba(77, 166, 255, 0.12), transparent 60%);
  --console-bg: linear-gradient(180deg, rgba(21, 29, 49, 0.9), rgba(10, 14, 26, 0.9));
  --console-bar-bg: rgba(6, 9, 16, 0.5);
  --nav-bg: rgba(6, 9, 16, 0.72);
  --glow: rgba(77, 166, 255, 0.10);
}

/* Themed SVG gradient stops (used by the dashboard + ring) */
#barGrad stop:nth-child(1) { stop-color: var(--azure); stop-opacity: 0.55; }
#barGrad stop:nth-child(2) { stop-color: var(--cyan); }
#lineFill stop:nth-child(1) { stop-color: var(--cyan); stop-opacity: 0.30; }
#lineFill stop:nth-child(2) { stop-color: var(--cyan); stop-opacity: 0; }

/* ------------------------------- Reset ----------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background 0.4s ease, color 0.4s ease;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
.mono { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.04em; }

/* ---------------------------- Ambient background ------------------------- */
.bg { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.bg__mesh {
  position: absolute; inset: -30%;
  background: var(--mesh);
  filter: blur(40px);
  animation: meshDrift 24s var(--ease-in-out) infinite alternate;
}
@keyframes meshDrift {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(3%, -4%, 0) scale(1.08); }
  100% { transform: translate3d(-3%, 3%, 0) scale(1.04); }
}
.bg__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(120% 120% at 50% 0%, #000 30%, transparent 80%);
  opacity: 0.6;
}
.bg__grain {
  position: absolute; inset: 0;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ------------------------------ Intro curtain ---------------------------- */
.intro {
  position: fixed; inset: 0; z-index: 200;
  background: var(--bg);
  display: grid; place-items: center;
  transition: transform 0.9s var(--ease) 0.15s;
}
.intro.is-done { transform: translateY(-101%); }
.intro__inner { display: flex; align-items: center; gap: 1rem; }
.intro__mark {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2.5rem, 8vw, 5rem);
  background: var(--grad-ink); -webkit-background-clip: text; background-clip: text; color: transparent;
  opacity: 0; transform: translateY(12px);
  animation: introMark 0.7s var(--ease) 0.1s forwards;
}
.intro__line {
  display: block; height: 2px; width: 0;
  background: var(--grad);
  animation: introLine 0.8s var(--ease) 0.4s forwards;
}
@keyframes introMark { to { opacity: 1; transform: translateY(0); } }
@keyframes introLine { to { width: clamp(60px, 14vw, 160px); } }

/* --------------------------- Scroll progress ----------------------------- */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 100%;
  transform: scaleX(0); transform-origin: 0 50%;
  background: var(--grad); z-index: 120;
}

/* ------------------------------ Cursor glow ------------------------------ */
.cursor-glow {
  position: fixed; top: 0; left: 0; width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, var(--glow), transparent 60%);
  transform: translate(-50%, -50%); pointer-events: none; z-index: 1;
  opacity: 0; transition: opacity 0.4s ease; will-change: left, top;
}
@media (hover: hover) and (pointer: fine) { .cursor-glow.is-active { opacity: 1; } }

/* ------------------------------ Navigation ------------------------------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.1rem var(--gutter);
  transition: transform 0.5s var(--ease), background 0.4s ease, backdrop-filter 0.4s ease, border-color 0.4s ease;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled { background: var(--nav-bg); backdrop-filter: blur(14px); border-bottom-color: var(--line); }
.nav.is-hidden { transform: translateY(-105%); }
.nav__brand { display: flex; align-items: center; gap: 0.6rem; }
.nav__mark {
  font-family: var(--font-display); font-weight: 700; font-size: 1.15rem;
  background: var(--grad-ink); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.nav__name { font-weight: 600; font-size: 0.95rem; letter-spacing: -0.01em; }
.nav__links { display: flex; gap: 2rem; }
.nav__link { position: relative; font-size: 0.9rem; color: var(--text-dim); transition: color 0.25s ease; }
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 100%; height: 1.5px;
  background: var(--grad); transform: scaleX(0); transform-origin: 0 50%; transition: transform 0.3s var(--ease);
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); }
.nav__link.is-active { color: var(--text); }

.nav__actions { display: flex; align-items: center; gap: 1rem; }
.theme-toggle {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--line); color: var(--text-dim);
  transition: color 0.25s ease, border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
}
.theme-toggle:hover { color: var(--text); border-color: var(--line-strong); transform: translateY(-2px); }
.theme-toggle .icon { width: 19px; height: 19px; }
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

.nav__toggle { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.nav__toggle span { display: block; width: 24px; height: 2px; background: var(--text); transition: transform 0.3s var(--ease), opacity 0.3s ease; }
.nav__toggle[aria-expanded="true"] span:first-child { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:last-child { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 90; background: var(--nav-bg); backdrop-filter: blur(16px);
  display: flex; flex-direction: column; justify-content: center; gap: 1.5rem; padding: var(--gutter);
  opacity: 0; visibility: hidden; transition: opacity 0.4s ease, visibility 0.4s ease;
}
.mobile-menu.is-open { opacity: 1; visibility: visible; }
.mobile-menu__link {
  font-family: var(--font-display); font-size: clamp(1.8rem, 8vw, 2.6rem); font-weight: 500;
  color: var(--text-dim); transition: color 0.25s ease, transform 0.25s ease;
}
.mobile-menu__link:hover { color: var(--text); transform: translateX(8px); }

/* ------------------------------- Buttons --------------------------------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.9rem 1.6rem; border-radius: 100px; font-weight: 600; font-size: 0.92rem;
  color: var(--btn-text); background: var(--grad); background-size: 160% 160%; overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background-position 0.6s var(--ease);
  will-change: transform;
}
.btn:hover { background-position: 100% 50%; box-shadow: 0 12px 40px -12px var(--azure); }
.btn--ghost { background: transparent; color: var(--text); border: 1px solid var(--line-strong); box-shadow: none; }
.btn--ghost:hover { border-color: transparent; background: var(--grad-soft); box-shadow: none; }
.btn--sm { padding: 0.6rem 1.1rem; font-size: 0.85rem; }
.btn--lg { padding: 1.1rem 2.2rem; font-size: 1.05rem; font-family: var(--font-mono); font-weight: 500; }

/* ------------------------------ Utilities -------------------------------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-dim);
}
.eyebrow__dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--cyan);
  box-shadow: 0 0 0 0 rgba(8, 145, 178, 0.5); animation: ping 2.4s ease-out infinite;
}
@keyframes ping {
  0% { box-shadow: 0 0 0 0 rgba(8, 145, 178, 0.45); }
  70% { box-shadow: 0 0 0 10px rgba(8, 145, 178, 0); }
  100% { box-shadow: 0 0 0 0 rgba(8, 145, 178, 0); }
}
.hl { background: var(--grad-ink); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 600; }

/* ------------------------------- Sections -------------------------------- */
.section { max-width: var(--container); margin: 0 auto; padding: clamp(5rem, 12vw, 9rem) var(--gutter); }
.section__head { max-width: 720px; margin-bottom: clamp(2.5rem, 6vw, 4rem); }
.section__index { color: var(--azure); letter-spacing: 0.1em; margin-bottom: 1.2rem; }
.section__title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.9rem, 5vw, 3.1rem); line-height: 1.08; letter-spacing: -0.02em; margin-bottom: 1.2rem;
}
.section__lede { font-size: clamp(1rem, 2vw, 1.15rem); color: var(--text-dim); max-width: 60ch; }

/* ---------------------------- Reveal animation --------------------------- */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
[data-reveal].is-in { opacity: 1; transform: translateY(0); }

/* Progressive-enhancement fallback when JS cannot run */
.no-js .intro { display: none; }
.no-js .scroll-progress, .no-js .cursor-glow { display: none; }
.no-js [data-reveal] { opacity: 1; transform: none; }
.no-js .hero__title .line span { transform: none; }
.no-js .line-chart__path { stroke-dashoffset: 0; }
.no-js .line-chart__area { opacity: 1; }
.no-js .line-chart__dots circle { opacity: 1; transform: scale(1); }

/* ================================ HERO ================================== */
.hero {
  position: relative; min-height: 100svh; display: flex; flex-direction: column; justify-content: center;
  max-width: var(--container); margin: 0 auto; padding: 8rem var(--gutter) 4rem;
}
.hero__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero__copy { max-width: 42ch; }
.hero__title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(3.4rem, 11vw, 7.5rem); line-height: 0.92; letter-spacing: -0.03em; margin: 1.4rem 0 1.6rem;
}
.hero__title .line { display: block; overflow: hidden; padding-bottom: 0.16em; margin-bottom: -0.16em; }
.hero__title .line span { display: block; transform: translateY(110%); transition: transform 0.9s var(--ease); }
.hero__title .line:nth-child(2) span { transition-delay: 0.08s; background: var(--grad-ink); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__title .line.is-in span { transform: translateY(0); }
.hero__lede { font-size: clamp(1.05rem, 2.2vw, 1.3rem); color: var(--text-dim); line-height: 1.55; margin-bottom: 2rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2.6rem; }
.hero__meta { display: flex; flex-wrap: wrap; gap: 1.4rem; padding-top: 1.6rem; border-top: 1px solid var(--line); }
.hero__meta li { display: flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; color: var(--text-dim); }
.hero__meta .mono { color: var(--azure); }
.hero__scroll {
  position: absolute; left: var(--gutter); bottom: 2rem; display: flex; align-items: center; gap: 0.8rem;
  color: var(--text-faint); font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase;
}
.hero__scroll-line { width: 46px; height: 1px; background: var(--line-strong); position: relative; overflow: hidden; }
.hero__scroll-line::after { content: ""; position: absolute; inset: 0; background: var(--grad); transform: translateX(-100%); animation: scrollLine 2s var(--ease-in-out) infinite; }
@keyframes scrollLine { 0% { transform: translateX(-100%); } 60%, 100% { transform: translateX(100%); } }

/* --------------------- Signature element: the console -------------------- */
.hero__visual { perspective: 1400px; }
.console {
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--console-bg);
  box-shadow: var(--shadow-console); overflow: hidden;
  transform: rotateY(-9deg) rotateX(4deg); transition: transform 0.6s var(--ease); will-change: transform;
}
.console:hover { transform: rotateY(-3deg) rotateX(1deg); }
.console__bar { display: flex; align-items: center; gap: 0.8rem; padding: 0.75rem 1rem; border-bottom: 1px solid var(--line); background: var(--console-bar-bg); }
.console__dots { display: flex; gap: 6px; }
.console__dots i { width: 10px; height: 10px; border-radius: 50%; }
.console__dots i:nth-child(1) { background: #ff5f57; }
.console__dots i:nth-child(2) { background: #febc2e; }
.console__dots i:nth-child(3) { background: #28c840; }
.console__title { color: var(--text-faint); margin-right: auto; }
.console__live { display: inline-flex; align-items: center; gap: 0.4rem; font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.12em; color: var(--cyan); }
.pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }
.console__body { padding: 1.2rem; }
.kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; margin-bottom: 1.1rem; }
.kpi { padding: 0.8rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); }
.kpi__label { display: block; color: var(--text-faint); margin-bottom: 0.4rem; }
.kpi__value { display: block; font-family: var(--font-display); font-weight: 600; font-size: clamp(1.1rem, 2.4vw, 1.5rem); letter-spacing: -0.02em; }
.kpi__trend { font-family: var(--font-mono); font-size: 0.62rem; color: var(--text-faint); }
.kpi__trend.up { color: var(--pos); }
.kpi__trend.down { color: var(--neg); }
.charts { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.chart { padding: 0.8rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); }
.chart__head { margin-bottom: 0.6rem; color: var(--text-faint); }
.bars, .line-chart { width: 100%; height: 80px; }
.bar { fill: url(#barGrad); transition: height 0.9s var(--ease), y 0.9s var(--ease); }
.bars__group .bar:nth-child(even) { fill: var(--azure); opacity: 0.55; }
.bars__group .bar:nth-child(odd) { fill: var(--cyan); opacity: 0.85; }
.line-chart__path {
  stroke: var(--cyan); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 400; stroke-dashoffset: 400; transition: stroke-dashoffset 1.4s var(--ease) 0.2s;
}
.console.is-live .line-chart__path { stroke-dashoffset: 0; }
.line-chart__area { opacity: 0; transition: opacity 1s ease 0.9s; }
.console.is-live .line-chart__area { opacity: 1; }
.line-chart__dots circle { fill: var(--text); opacity: 0; transform: scale(0); transform-origin: center; transform-box: fill-box; transition: opacity 0.3s ease, transform 0.3s var(--ease); }
.console.is-live .line-chart__dots circle { opacity: 1; transform: scale(1); }
.console.is-live .line-chart__dots circle:nth-child(1) { transition-delay: 0.4s; }
.console.is-live .line-chart__dots circle:nth-child(2) { transition-delay: 0.55s; }
.console.is-live .line-chart__dots circle:nth-child(3) { transition-delay: 0.7s; }
.console.is-live .line-chart__dots circle:nth-child(4) { transition-delay: 0.85s; }
.console.is-live .line-chart__dots circle:nth-child(5) { transition-delay: 1s; }
.console.is-live .line-chart__dots circle:nth-child(6) { transition-delay: 1.15s; }
.console.is-live .line-chart__dots circle:nth-child(7) { transition-delay: 1.3s; }
.console__note { margin-top: 0.9rem; color: var(--text-faint); text-align: right; font-size: 0.6rem; }

/* ------------------------------- Marquee --------------------------------- */
.marquee { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 1.4rem 0; overflow: hidden; }
.marquee__track {
  display: flex; align-items: center; gap: 2rem; width: max-content; animation: marquee 38s linear infinite;
  font-family: var(--font-display); font-size: clamp(1.4rem, 4vw, 2.4rem); font-weight: 500; color: var(--text-dim); white-space: nowrap;
}
.marquee__track .sep { color: var(--azure); }
.marquee:hover .marquee__track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* -------------------------------- Cards ---------------------------------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.card {
  position: relative; padding: 2rem; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); box-shadow: var(--shadow-card); overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s ease, box-shadow 0.4s ease; will-change: transform;
}
.card::before { content: ""; position: absolute; inset: 0; background: var(--grad-soft); opacity: 0; transition: opacity 0.4s ease; }
.card::after { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--grad); transform: scaleX(0); transform-origin: 0 50%; transition: transform 0.5s var(--ease); }
.card:hover { border-color: var(--line-strong); transform: translateY(-6px); }
.card:hover::before { opacity: 1; }
.card:hover::after { transform: scaleX(1); }
.card > * { position: relative; z-index: 1; }
.card__icon { width: 56px; height: 56px; display: grid; place-items: center; border-radius: 14px; border: 1px solid var(--line); background: var(--surface-2); margin-bottom: 1.4rem; }
.card__icon svg { width: 30px; height: 30px; }
.s-stroke { stroke: var(--cyan); stroke-width: 2; fill: none; }
.s-fill { fill: var(--azure); opacity: 0.85; }
.s-fill-stroke { stroke: var(--cyan); stroke-width: 2.4; fill: none; }
.card__title { font-family: var(--font-display); font-weight: 600; font-size: 1.35rem; letter-spacing: -0.01em; margin-bottom: 0.8rem; }
.card__body { color: var(--text-dim); font-size: 0.95rem; margin-bottom: 1.3rem; }
.card__list { display: flex; flex-direction: column; gap: 0.55rem; }
.card__list li { position: relative; padding-left: 1.3rem; font-size: 0.85rem; color: var(--text-dim); }
.card__list li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 6px; height: 6px; border-radius: 2px; background: var(--grad); }

/* --------------------------- Selected work (draft) ----------------------- */
.samples { position: relative; }
.draft-ribbon {
  display: inline-block; margin-bottom: 1.4rem; padding: 0.35rem 0.9rem; border-radius: 100px;
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--neg); border: 1px dashed var(--neg); background: transparent;
}
.samples__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.sample {
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-card);
  overflow: hidden; transition: transform 0.4s var(--ease), border-color 0.4s ease;
}
.sample:hover { transform: translateY(-6px); border-color: var(--line-strong); }
.sample__thumb {
  aspect-ratio: 16 / 9; display: grid; place-items: center; border-bottom: 1px solid var(--line);
  background:
    repeating-linear-gradient(45deg, transparent, transparent 12px, var(--surface-2) 12px, var(--surface-2) 24px), var(--grad-soft);
  color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.12em;
}
.sample__body { padding: 1.4rem 1.5rem 1.6rem; }
.sample__tag { display: inline-block; margin-bottom: 0.7rem; color: var(--azure); text-transform: uppercase; letter-spacing: 0.1em; }
.sample__title { font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; margin-bottom: 0.6rem; }
.sample__body p { color: var(--text-dim); font-size: 0.9rem; }

/* -------------------------------- About ---------------------------------- */
.about__grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem, 6vw, 5rem); }
.about__body p { color: var(--text-dim); font-size: 1.05rem; margin-bottom: 1.3rem; }
.about__body p:first-child { color: var(--text); font-size: 1.15rem; }
.stats { display: flex; flex-wrap: wrap; gap: 2.5rem; margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.stat { display: flex; flex-direction: column; gap: 0.4rem; }
.stat__value {
  font-family: var(--font-display); font-weight: 700; font-size: clamp(2.2rem, 5.5vw, 3.2rem); line-height: 1;
  background: var(--grad-ink); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat__label { color: var(--text-faint); line-height: 1.4; }

/* -------------------------------- Toolkit -------------------------------- */
.chips__label { color: var(--azure); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 1rem; }
.chips__label--muted { color: var(--text-faint); margin-top: 2.2rem; }
.chips { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.chip {
  padding: 0.7rem 1.2rem; border: 1px solid var(--line); border-radius: 100px; font-size: 0.9rem; color: var(--text-dim);
  background: var(--surface); transition: color 0.3s ease, border-color 0.3s ease, transform 0.3s var(--ease), background 0.3s ease;
}
.chip:hover { color: var(--text); border-color: transparent; background: var(--grad-soft); transform: translateY(-3px); }
/* -------------------------- Mission-driven systems ----------------------- */
.mission__grid { display: grid; grid-template-columns: 0.7fr 1.3fr; gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.mission__orbit-wrap { position: relative; width: min(280px, 70vw); margin: 0 auto; aspect-ratio: 1; }
.mission-orbit { position: relative; width: 100%; height: 100%; }
.mission-orbit__track {
  position: absolute; inset: 8%; border: 1px solid var(--line-strong); border-radius: 50%;
  background: radial-gradient(circle, var(--surface-2) 0 48%, transparent 49%);
  box-shadow: inset 0 0 50px rgba(37, 99, 235, 0.06), 0 0 70px rgba(8, 145, 178, 0.08);
}
.mission-orbit__track::before,
.mission-orbit__track::after {
  content: ""; position: absolute; border-radius: 50%; border: 1px solid var(--line);
}
.mission-orbit__track::before { inset: 18%; }
.mission-orbit__track::after { inset: 36%; }
.mission-orbit__dot {
  position: absolute; inset: 8%; border-radius: 50%; animation: missionOrbit 14s linear infinite;
}
.mission-orbit__dot::before {
  content: ""; position: absolute; top: -6px; left: 50%; width: 12px; height: 12px;
  border-radius: 50%; transform: translateX(-50%); background: var(--dot-color);
  box-shadow: 0 0 0 5px var(--surface-2), 0 0 22px var(--dot-color);
}
.mission-orbit__dot--one { --dot-color: var(--cyan); }
.mission-orbit__dot--two { --dot-color: var(--azure); animation-delay: -4.67s; }
.mission-orbit__dot--three { --dot-color: var(--indigo); animation-delay: -9.33s; }
@keyframes missionOrbit { to { transform: rotate(360deg); } }
.mission-orbit__center { position: absolute; inset: 24%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.45rem; text-align: center; }
.mission-orbit__state { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.15rem, 3.2vw, 1.6rem); line-height: 1.1; }
.mission-orbit__label { color: var(--text-faint); text-transform: uppercase; letter-spacing: 0.12em; }
.mission__topics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.9rem; margin-top: 1.8rem; }
.mission__topics li {
  display: flex; align-items: center; gap: 0.7rem; padding: 0.9rem 1rem; border: 1px solid var(--line); border-radius: var(--radius-sm);
  font-size: 0.92rem; color: var(--text-dim); background: var(--surface); transition: border-color 0.3s ease, color 0.3s ease;
}
.mission__topics li:hover { border-color: var(--line-strong); color: var(--text); }
.mission__topics .mono { color: var(--azure); }

/* ------------------------------- How I work ------------------------------ */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; }
.step { position: relative; padding: 1.6rem 1.2rem; border-top: 2px solid var(--line); transition: border-color 0.4s ease; }
.step:hover { border-top-color: var(--cyan); }
.step__num { display: block; color: var(--azure); font-size: 0.75rem; margin-bottom: 1.2rem; }
.step__title { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; margin-bottom: 0.6rem; }
.step p { color: var(--text-dim); font-size: 0.88rem; }

/* -------------------------------- Contact -------------------------------- */
.contact { text-align: center; }
.contact__inner { max-width: 760px; margin: 0 auto; }
.contact .section__index { color: var(--azure); }
.contact__title { font-family: var(--font-display); font-weight: 600; font-size: clamp(2rem, 6vw, 3.6rem); line-height: 1.05; letter-spacing: -0.02em; margin: 1rem 0 1.4rem; }
.contact__lede { color: var(--text-dim); font-size: 1.1rem; max-width: 52ch; margin: 0 auto 2.4rem; }
.contact__links { display: flex; justify-content: center; gap: 2rem; margin-top: 2.4rem; }
.contact__link { position: relative; color: var(--text-dim); font-size: 0.9rem; transition: color 0.25s ease; }
.contact__link::after { content: ""; position: absolute; left: 0; bottom: -4px; width: 100%; height: 1px; background: var(--grad); transform: scaleX(0); transform-origin: 0 50%; transition: transform 0.3s var(--ease); }
.contact__link:hover { color: var(--text); }
.contact__link:hover::after { transform: scaleX(1); }

/* -------------------------------- Footer --------------------------------- */
.footer { border-top: 1px solid var(--line); padding: 2.5rem var(--gutter); }
.footer__inner { max-width: var(--container); margin: 0 auto; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; }
.footer__brand { font-family: var(--font-display); font-weight: 600; }
.footer__meta { color: var(--text-faint); }
.footer__year { color: var(--text-faint); }

/* ------------------------------ Responsive ------------------------------- */
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { max-width: 520px; width: 100%; margin: 1.4rem auto 0; }
  .console { transform: none; }
  .about__grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .samples__grid { grid-template-columns: 1fr 1fr; }
  .mission__grid { grid-template-columns: 1fr; text-align: center; }
  .mission__topics { text-align: left; }
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }
  .hero { min-height: auto; padding-top: 6.5rem; padding-bottom: 3rem; justify-content: flex-start; }
  .hero__copy { max-width: none; }
  .hero__title { font-size: clamp(3rem, 17vw, 4.6rem); margin: 1rem 0 1.2rem; }
  .hero__actions .btn { flex: 1 1 auto; }
  .charts { grid-template-columns: 1fr; }
  .console__body { padding: 1rem; }
  .kpis { gap: 0.5rem; }
  .kpi { padding: 0.6rem 0.55rem; }
  .kpi__value { font-size: 1.25rem; }
  .kpi__label, .kpi__trend { font-size: 0.58rem; }
  .samples__grid { grid-template-columns: 1fr; }
  .mission__topics { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .stats { gap: 1.5rem 2rem; }
  .hero__scroll { display: none; }
}

@media (max-width: 400px) {
  .kpi__label { letter-spacing: 0; }
  .console__title { font-size: 0.58rem; }
}

/* ------------------------- Reduced motion / a11y ------------------------- */
@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;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .hero__title .line span { transform: none !important; }
  .mission-orbit__dot { animation: none; }
  .mission-orbit__dot--one { transform: rotate(0deg); }
  .mission-orbit__dot--two { transform: rotate(120deg); }
  .mission-orbit__dot--three { transform: rotate(240deg); }
  .intro { display: none; }
}
:focus-visible { outline: 2px solid var(--azure); outline-offset: 3px; border-radius: 4px; }
::selection { background: rgba(37, 99, 235, 0.22); color: inherit; }