/* =========================================================
   CAI RIMELL — PORTFOLIO
   Design tokens: cool porcelain surfaces, signal-indigo accent,
   Space Grotesk display / Inter body / IBM Plex Mono utility.
   ========================================================= */

:root {
  /* --- Light theme (default) --- */
  --bg: #F6F7FA;
  --bg-alt: #EDEFF5;
  --bg-raise: #FFFFFF;
  --surface: rgba(255, 255, 255, 0.66);
  --surface-strong: rgba(255, 255, 255, 0.86);
  --surface-solid: #FFFFFF;
  --border: rgba(18, 21, 28, 0.09);
  --border-strong: rgba(18, 21, 28, 0.16);
  --ink: #12151C;
  --ink-soft: #565C6B;
  --ink-faint: #8A90A0;
  --accent: #4C5FD5;
  --accent-ink: #FFFFFF;
  --accent-soft: rgba(76, 95, 213, 0.10);
  --accent-soft-strong: rgba(76, 95, 213, 0.16);
  --accent-2: #12876F;
  --accent-2-soft: rgba(18, 135, 111, 0.12);
  --danger: #C0432B;
  --blur: 20px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 26px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(18, 21, 28, 0.05), 0 2px 10px rgba(18, 21, 28, 0.045);
  --shadow-md: 0 10px 30px rgba(18, 21, 28, 0.09);
  --shadow-lg: 0 24px 60px rgba(18, 21, 28, 0.14);
  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 180ms;
  --dur-base: 420ms;
  --dur-slow: 900ms;
  --nav-h: 76px;
  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #0A0D13;
  --bg-alt: #0F131C;
  --bg-raise: #12161F;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-strong: rgba(255, 255, 255, 0.075);
  --surface-solid: #12161F;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --ink: #EDEFF4;
  --ink-soft: #A6ABBA;
  --ink-faint: #676D7C;
  --accent: #7C89FF;
  --accent-ink: #0A0D13;
  --accent-soft: rgba(124, 137, 255, 0.14);
  --accent-soft-strong: rgba(124, 137, 255, 0.22);
  --accent-2: #2FD3B8;
  --accent-2-soft: rgba(47, 211, 184, 0.14);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3), 0 2px 10px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 10px 34px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 30px 70px rgba(0, 0, 0, 0.55);
  color-scheme: dark;
}

/* =============== RESET =============== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color var(--dur-base) var(--ease), color var(--dur-base) var(--ease);
  overflow-x: hidden;
}
img, picture, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul, ol { list-style: none; }
input, textarea { font: inherit; color: inherit; }

/* Background field: faint drifting radial glow, extremely subtle */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(60vw 60vh at 15% -10%, var(--accent-soft), transparent 60%),
    radial-gradient(50vw 50vh at 110% 20%, var(--accent-2-soft), transparent 60%);
  opacity: 0.9;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* =============== TYPOGRAPHY =============== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.12;
}
h1 { font-size: clamp(2.6rem, 5.4vw, 4.6rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 3.6vw, 3rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.7rem); }
h4 { font-size: 1.05rem; }
p { color: var(--ink-soft); }
.lede { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: var(--ink-soft); max-width: 46em; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

/* =============== LAYOUT =============== */
.wrap {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}
main { display: block; }
section { position: relative; padding-block: clamp(3.75rem, 7.4vw, 6.6rem); }
.section-head { margin-bottom: clamp(2.1rem, 4.1vw, 3.3rem); max-width: 42em; }
.section-head--center { margin-inline: auto; text-align: center; }

/* =============== NAV =============== */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-base) var(--ease), background-color var(--dur-base) var(--ease), backdrop-filter var(--dur-base) var(--ease);
}
.site-nav.is-scrolled {
  background: var(--surface-strong);
  backdrop-filter: blur(var(--blur)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(140%);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
}
.brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}
.brand span { color: var(--accent); font-family: var(--font-mono); font-size: 0.85em; }

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(0.4rem, 1.6vw, 1.1rem);
}
.nav-links a {
  position: relative;
  padding: 0.5rem 0.15rem;
  font-size: 0.94rem;
  color: var(--ink-soft);
  transition: color var(--dur-fast) var(--ease);
}
.nav-links a:hover, .nav-links a:focus-visible, .nav-links a.is-active { color: var(--ink); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0.15rem; right: 0.15rem; bottom: 0.1rem;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease);
}
.nav-links a:hover::after, .nav-links a.is-active::after { transform: scaleX(1); }

.nav-actions { display: flex; align-items: center; gap: 0.6rem; }

.theme-toggle {
  width: 40px; height: 40px;
  border-radius: var(--radius-pill);
  display: grid; place-items: center;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: transform var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.theme-toggle:hover { transform: translateY(-1px); border-color: var(--border-strong); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

.nav-burger {
  display: none;
  width: 40px; height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--surface);
  position: relative;
}
.nav-burger span, .nav-burger span::before, .nav-burger span::after {
  content: "";
  position: absolute;
  left: 11px; right: 11px;
  height: 1.5px;
  background: var(--ink);
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease), top var(--dur-fast) var(--ease);
}
.nav-burger span { top: 50%; transform: translateY(-50%); }
.nav-burger span::before { top: -6px; }
.nav-burger span::after { top: 6px; }
.nav-burger.is-open span { background: transparent; }
.nav-burger.is-open span::before { top: 0; transform: rotate(45deg); }
.nav-burger.is-open span::after { top: 0; transform: rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: var(--nav-h) 0 0 0;
  z-index: 90;
  background: var(--surface-strong);
  backdrop-filter: blur(var(--blur)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(140%);
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);
  display: flex; flex-direction: column;
}
.mobile-menu.is-open { opacity: 1; transform: translateY(0); pointer-events: auto; }
.mobile-menu ul { display: flex; flex-direction: column; padding: 2rem clamp(1.25rem, 6vw, 2.5rem); gap: 0.2rem; }
.mobile-menu a {
  display: block;
  padding: 0.9rem 0;
  font-family: var(--font-display);
  font-size: 1.5rem;
  border-bottom: 1px solid var(--border);
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-burger { display: block; }
}

/* =============== BUTTONS =============== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-pill);
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 8px 24px -8px var(--accent); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -10px var(--accent); }
.btn-ghost { background: var(--surface); border-color: var(--border); color: var(--ink); backdrop-filter: blur(var(--blur)); }
.btn-ghost:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.btn-sm { padding: 0.6rem 1.1rem; font-size: 0.85rem; }
.btn svg { width: 16px; height: 16px; }

.icon-link {
  width: 42px; height: 42px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--surface);
  display: grid; place-items: center;
  transition: transform var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.icon-link:hover { transform: translateY(-2px); border-color: var(--border-strong); }
.icon-link svg { width: 18px; height: 18px; }

/* =============== GLASS / CARD =============== */
.glass {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(var(--blur)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(140%);
  box-shadow: var(--shadow-sm);
}

/* =============== HERO =============== */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-h);
  position: relative;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.4rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.hero-kicker .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 0 4px var(--accent-2-soft);
}
.hero h1 { margin-bottom: 1.2rem; }
.hero h1 .accent { color: var(--accent); }
.hero .lede { margin-bottom: 1.9rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; align-items: center; }
.hero-social { display: flex; gap: 0.7rem; margin-top: 2rem; }

.hero-panel {
  padding: clamp(1.5rem, 2.6vw, 2.2rem);
  position: relative;
}
.hero-panel .stat-row { display: flex; flex-direction: column; gap: 1.1rem; }
.hero-panel .stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--border);
}
.hero-panel .stat:last-child { border-bottom: none; padding-bottom: 0; }
.hero-panel .stat .label { font-size: 0.85rem; color: var(--ink-faint); font-family: var(--font-mono); }
.hero-panel .stat .value { font-family: var(--font-display); font-size: 1.05rem; }

.hero-scroll-cue {
  position: absolute;
  bottom: clamp(1.5rem, 4vh, 3rem);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.hero-scroll-cue .line {
  width: 1px; height: 34px;
  background: linear-gradient(var(--ink-faint), transparent);
  animation: cue-pulse 2.2s var(--ease) infinite;
}
@keyframes cue-pulse { 0%,100% { opacity: 0.35; } 50% { opacity: 1; } }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-panel { order: -1; }
}

/* =============== REVEAL ANIMATION SYSTEM =============== */
.reveal { opacity: 0; will-change: transform, opacity, filter; }
.reveal-up { transform: translateY(28px); transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease); }
.reveal-fade { transition: opacity var(--dur-slow) var(--ease); }
.reveal-scale { transform: scale(0.94); transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease); }
.reveal-blur { filter: blur(10px); transform: translateY(14px); transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease), filter var(--dur-slow) var(--ease); }
.reveal-left { transform: translateX(-32px); transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease); }
.reveal-right { transform: translateX(32px); transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease); }

.reveal.is-visible {
  opacity: 1;
  transform: none;
  filter: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; filter: none !important; }
}

/* =============== JOURNEY / SIGNATURE PATH =============== */
.journey {
  position: relative;
}
.journey-rail {
  position: relative;
  display: grid;
  gap: 0;
}
.journey-svg {
  position: absolute;
  left: 20px;
  top: 0;
  height: 100%;
  width: 2px;
  overflow: visible;
}
.journey-svg path {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  pathLength: 1;
  transition: stroke-dashoffset 100ms linear;
}
.journey-svg .track {
  stroke: var(--border-strong);
  stroke-dasharray: none;
  stroke-dashoffset: 0;
}

.journey-stage {
  position: relative;
  padding: clamp(2.4rem, 5vw, 4.5rem) 0 clamp(2.4rem, 5vw, 4.5rem) clamp(3.5rem, 8vw, 5rem);
  overflow: hidden;
}
.journey-ghost-num {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: clamp(5rem, 11vw, 9rem);
  font-weight: 700;
  color: var(--ink);
  opacity: 0.035;
  line-height: 1;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
[data-theme="dark"] .journey-ghost-num { opacity: 0.05; }
.journey-stage-body {
  position: relative;
  z-index: 1;
  opacity: 0.3;
  transform: translateY(18px) scale(0.985);
  filter: blur(2px);
  transition: opacity 640ms var(--ease), transform 640ms var(--ease), filter 640ms var(--ease);
}
.journey-stage.is-visible .journey-stage-body {
  opacity: 1;
  transform: none;
  filter: none;
}
@media (prefers-reduced-motion: reduce) {
  .journey-stage-body { opacity: 1; transform: none; filter: none; }
}
.journey-stage-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
  display: grid; place-items: center;
  margin-bottom: 1rem;
  transition: background var(--dur-base) var(--ease), color var(--dur-base) var(--ease);
}
.journey-stage-icon svg { width: 22px; height: 22px; }
.journey-stage.is-visible .journey-stage-icon { background: var(--accent); color: var(--accent-ink); }
.journey-node {
  position: absolute;
  left: 20px;
  top: clamp(1.75rem, 3vw, 2.5rem);
  transform: translateX(-50%);
  width: 13px; height: 13px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--border-strong);
  transition: border-color var(--dur-base) var(--ease), background var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
  z-index: 2;
}
.journey-stage.is-visible .journey-node {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 0 6px var(--accent-soft);
}
.journey-stage-head {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-bottom: 0.6rem;
}
.journey-index {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
}
.journey-stage h3 { color: var(--ink); }
.journey-stage .stage-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--accent-soft-strong);
  background: var(--accent-soft);
  border-radius: var(--radius-pill);
}
.journey-stage p { max-width: 42em; margin-top: 0.6rem; }
.journey-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }

/* =============== TAGS / PILLS =============== */
.tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--surface-solid);
  color: var(--ink-soft);
}

/* =============== PROJECTS GRID / FLIP CARDS =============== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 2.4vw, 1.75rem);
}
@media (max-width: 860px) {
  .projects-grid { grid-template-columns: 1fr; }
}
.project-card {
  perspective: 1600px;
  height: 380px;
}
.project-card-inner {
  position: relative;
  width: 100%; height: 100%;
  transition: transform 700ms var(--ease);
  transform-style: preserve-3d;
  border-radius: var(--radius-lg);
}
.project-card:hover .project-card-inner,
.project-card:focus-within .project-card-inner,
.project-card.is-flipped .project-card-inner {
  transform: rotateY(180deg);
}
.project-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.project-face-front {
  background: linear-gradient(155deg, var(--accent-soft), var(--bg-alt) 60%);
  padding: 1.75rem;
  justify-content: space-between;
}
.project-face-front .project-visual {
  flex: 1;
  border-radius: var(--radius-md);
  background: var(--surface-solid);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  margin-bottom: 1.25rem;
  overflow: hidden;
}
.project-face-front .project-visual img { width: 100%; height: 100%; object-fit: cover; }
.project-face-front .project-visual .ph {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  text-align: center;
  padding: 1rem;
}
.project-face-front .project-num { font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-faint); margin-bottom: 0.4rem; }
.project-face-front h3 { margin-bottom: 0.3rem; }
.project-face-front .flip-hint {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.6rem;
}
.project-face-back {
  background: var(--surface-solid);
  transform: rotateY(180deg);
  padding: 1.75rem;
  justify-content: space-between;
}
.project-face-back p { font-size: 0.92rem; margin-bottom: 1rem; }
.project-face-back .tag-row { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: 1.1rem; }
.project-face-back .face-actions { display: flex; gap: 0.6rem; margin-top: auto; }

.project-flip-btn {
  display: none;
}
@media (hover: none) {
  .project-flip-btn {
    display: inline-flex;
    position: absolute;
    top: 0.9rem; right: 0.9rem;
    z-index: 3;
    width: 34px; height: 34px;
    border-radius: 50%;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    align-items: center;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .project-card-inner { transition: none; }
}

/* =============== SKILLS =============== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
@media (max-width: 1080px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .skills-grid { grid-template-columns: 1fr; }
}
.skill-card {
  padding: 1.75rem;
}
.skill-card-head { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 1.2rem; }
.skill-card-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
  display: grid; place-items: center;
}
.skill-card-icon svg { width: 20px; height: 20px; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* =============== EDUCATION =============== */
.edu-period { font-family: var(--font-mono); font-size: 0.85rem; color: var(--ink-faint); margin-top: 0.3rem; }

/* =============== CONTACT =============== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.contact-card {
  padding: clamp(1.5rem, 2.5vw, 2rem);
  display: flex;
  align-items: center;
  gap: 1.1rem;
  transition: transform var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.contact-card:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.contact-card .icon { width: 46px; height: 46px; border-radius: var(--radius-sm); background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; flex-shrink: 0; }
.contact-card .icon svg { width: 22px; height: 22px; }
.contact-card .label { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 0.2rem; }
.contact-card .value { font-family: var(--font-display); font-size: 1.05rem; }
@media (max-width: 640px) { .contact-grid { grid-template-columns: 1fr; } }

/* =============== CONTACT FORM =============== */
.contact-form {
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.form-row { display: flex; flex-direction: column; gap: 0.5rem; }
.form-row label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.form-row input, .form-row textarea {
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface-solid);
  color: var(--ink);
  resize: vertical;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.form-row input:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.form-status {
  font-size: 0.88rem;
  color: var(--ink-faint);
}
.form-status.is-success { color: var(--accent-2); }
.form-status.is-error { color: var(--danger); }

/* =============== PLACEHOLDER CONTENT =============== */
.placeholder {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px dashed var(--accent-soft-strong);
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
}

/* =============== FOOTER =============== */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 2.5rem;
  margin-top: 4rem;
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.site-footer p { font-size: 0.85rem; color: var(--ink-faint); }
.footer-links { display: flex; gap: 1.4rem; }
.footer-links a { font-size: 0.85rem; color: var(--ink-faint); transition: color var(--dur-fast) var(--ease); }
.footer-links a:hover { color: var(--ink); }

/* =============== BROWSER FRAME (screenshot chrome) =============== */
.browser-frame {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface-solid);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.browser-frame-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 0.9rem;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}
.browser-frame-bar .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--border-strong); }
.browser-frame-bar .addr {
  flex: 1;
  margin-left: 0.5rem;
  height: 20px;
  border-radius: var(--radius-pill);
  background: var(--surface);
  border: 1px solid var(--border);
}

/* =============== SCREENSHOT GALLERY / CAROUSEL =============== */
.gallery {
  position: relative;
}
.gallery-viewport {
  overflow: hidden;
  border-radius: var(--radius-md);
}
.gallery-track {
  display: flex;
  transition: transform 560ms var(--ease);
  touch-action: pan-y;
}
.gallery-slide {
  flex: 0 0 100%;
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  background: var(--bg-alt);
}
.gallery-slide img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.gallery-slide .ph {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-faint);
  text-align: center;
  padding: 2rem;
}
.gallery-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--surface-strong);
  border: 1px solid var(--border);
  backdrop-filter: blur(var(--blur));
  display: grid;
  place-items: center;
  transition: transform var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), opacity var(--dur-fast) var(--ease);
  z-index: 2;
}
.gallery-arrow:hover { transform: translateY(-50%) scale(1.06); border-color: var(--border-strong); }
.gallery-arrow.prev { left: 0.9rem; }
.gallery-arrow.next { right: 0.9rem; }
.gallery-arrow svg { width: 18px; height: 18px; }
.gallery-arrow[disabled] { opacity: 0.35; pointer-events: none; }

.gallery-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}
.browser-frame .gallery {
  padding: 0 0.9rem 0.9rem;
  background: var(--surface-solid);
}
.browser-frame .gallery-viewport { border-radius: var(--radius-sm); margin-top: 0.9rem; }
.browser-frame .gallery-dots { margin-top: 0.8rem; }
.gallery-dots button {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--border-strong);
  transition: background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease), width var(--dur-fast) var(--ease);
}
.gallery-dots button.is-active {
  background: var(--accent);
  width: 22px;
  border-radius: var(--radius-pill);
}

/* =============== PROJECT SHOWCASE (Projects page) =============== */
.showcase-intro {
  padding-top: calc(var(--nav-h) + 3.2rem);
  padding-bottom: 1.5rem;
}
.showcase {
  border-top: 1px solid var(--border);
  padding-block: clamp(4.5rem, 9vw, 8rem);
  min-height: 92svh;
  display: flex;
  align-items: center;
}
.showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  width: 100%;
}
.showcase-grid.reverse .showcase-visual { order: 2; }
@media (max-width: 960px) {
  .showcase-grid, .showcase-grid.reverse { grid-template-columns: 1fr; }
  .showcase-grid.reverse .showcase-visual { order: 0; }
}
.showcase-index {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-faint);
  letter-spacing: 0.1em;
  margin-bottom: 0.9rem;
}
.showcase-text h2 { margin-bottom: 1rem; }
.showcase-text .lede { margin-bottom: 1.5rem; }
.showcase-text .tag-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.5rem; margin-bottom: 1.75rem; }
.showcase-text .btn { margin-top: 0.25rem; }

/* =============== PROJECT DETAIL / SCENE LAYOUT =============== */
.project-hero {
  min-height: 78svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-h);
}
.project-hero .project-meta { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.project-hero h1 { margin-bottom: 1.2rem; max-width: 16em; }
.project-hero .lede { margin-bottom: 2rem; }

.scene {
  padding-block: clamp(4rem, 9vw, 7.5rem);
  border-top: 1px solid var(--border);
}
.scene-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1rem;
}
.scene-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(2rem, 5vw, 4rem);
}
.scene-grid.reverse { grid-template-columns: 1.2fr 0.8fr; }
.scene-grid.reverse .scene-visual { order: 2; }
@media (max-width: 860px) {
  .scene-grid, .scene-grid.reverse { grid-template-columns: 1fr; }
  .scene-grid.reverse .scene-visual { order: 0; }
}
.scene-visual {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface-solid);
  min-height: 260px;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.scene-visual img { width: 100%; height: 100%; object-fit: cover; }
.scene-visual .ph { font-family: var(--font-mono); font-size: 0.8rem; color: var(--ink-faint); text-align: center; padding: 2rem; }
.scene h2 { margin-bottom: 1.1rem; }
.scene .tag-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.25rem; }

.screens-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.screens-grid .scene-visual { min-height: 180px; }

.project-nav-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: clamp(3rem, 6vw, 5rem);
  border-top: 1px solid var(--border);
  gap: 1rem;
  flex-wrap: wrap;
}

/* =============== MISC UTILITY =============== */
.center { text-align: center; }
.mt-lg { margin-top: 2.4rem; }
.divider { height: 1px; background: var(--border); width: 100%; }

/* =============== SYMMETRICAL REPEATED-ELEMENT GRIDS =============== */
/* Fixed breakpoints (rather than pure auto-fit) so a known item count
   never resolves to an orphaned row, e.g. 3 across / 1 stranded below. */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 2.4vw, 1.75rem);
}
@media (max-width: 860px) {
  .grid-3 { grid-template-columns: 1fr; }
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .grid-4 { grid-template-columns: 1fr; }
}

/* Focus states */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Selection */
::selection { background: var(--accent); color: var(--accent-ink); }