/* Kavya Project — immersive portfolio */

:root {
  --bg: #070b12;
  --bg-elevated: #0d1420;
  --bg-soft: #121a28;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-strong: rgba(255, 255, 255, 0.06);
  --text: #eef3f8;
  --text-soft: #b7c3d3;
  --muted: #8090a6;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --accent: #2dd4bf;
  --accent-deep: #14b8a6;
  --accent-soft: rgba(45, 212, 191, 0.14);
  --accent-glow: rgba(45, 212, 191, 0.35);
  --warm: #d4b483;
  --danger-free: #0b1220;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.45);
  --radius: 22px;
  --header-h: 4.5rem;
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "Figtree", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --cursor-size: 10px;
  --hero-aura: rgba(45, 212, 191, 0.18);
  --hero-aura-core: rgba(45, 212, 191, 0.4);
  --hero-shadow: 0 28px 60px rgba(0, 0, 0, 0.45);
  --hero-frame-bg: #121a24;
  color-scheme: dark;
}

html[data-theme="light"] {
  --bg: #d8e2ee;
  --bg-elevated: #f5f8fc;
  --bg-soft: #cbd7e6;
  --surface: rgba(7, 11, 18, 0.04);
  --surface-strong: rgba(7, 11, 18, 0.065);
  --text: #0b1420;
  --text-soft: #243447;
  --muted: #5d6f84;
  --line: rgba(11, 20, 32, 0.1);
  --line-strong: rgba(11, 20, 32, 0.18);
  --accent: #0f766e;
  --accent-deep: #115e59;
  --accent-soft: rgba(15, 118, 110, 0.14);
  --accent-glow: rgba(15, 118, 110, 0.24);
  --warm: #a67c42;
  --shadow: 0 24px 60px rgba(11, 20, 32, 0.14);
  --hero-aura: rgba(15, 118, 110, 0.16);
  --hero-aura-core: rgba(13, 148, 136, 0.28);
  --hero-shadow: 0 22px 50px rgba(11, 20, 32, 0.18);
  --hero-frame-bg: #c5d0de;
  color-scheme: light;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg);
  overflow-x: clip;
  scroll-padding-top: calc(var(--header-h) + 1.25rem);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background-color: var(--bg);
  background-image: none;
  overflow-x: clip;
  cursor: none;
}

body.nav-lock {
  overflow: hidden;
  touch-action: none;
}

body.is-loaded {
  cursor: none;
}

body.has-coarse-pointer,
body.has-coarse-pointer * {
  cursor: auto !important;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: none;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 0.85rem;
  font-weight: 750;
}

/* Homepage hero name only — keep this large */
.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.4rem);
  max-width: 12ch;
  line-height: 1.05;
}

/* Default page titles (case studies etc.) — readable, not full-screen */
h1 {
  font-size: clamp(1.75rem, 3.2vw, 2.55rem);
  max-width: 22ch;
  line-height: 1.15;
}

h2 {
  font-size: clamp(1.55rem, 2.8vw, 2.35rem);
}

h3 {
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
}

p {
  margin: 0 0 1rem;
}

.shell {
  width: min(1140px, calc(100% - clamp(1.5rem, 4vw, 2.5rem)));
  margin-inline: auto;
  padding-left: env(safe-area-inset-left, 0);
  padding-right: env(safe-area-inset-right, 0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100vh;
  z-index: 200;
  padding: 0.75rem 1rem;
  background: var(--accent);
  color: #041016;
  border-radius: 999px;
  font-weight: 700;
}

.skip-link:focus {
  top: 1rem;
  cursor: auto;
}

/* Ambient layers */
.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 80;
  opacity: 0.045;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

html[data-theme="light"] .noise {
  opacity: 0.03;
  mix-blend-mode: multiply;
}

#orb-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.7;
}

/* Custom cursor */
.cursor {
  position: fixed;
  inset: 0;
  z-index: 120;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s ease;
}

body.is-loaded:not(.has-coarse-pointer).cursor-active .cursor {
  opacity: 1;
}

.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  will-change: transform;
  pointer-events: none;
}

.cursor-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  box-shadow: 0 0 18px var(--accent-glow);
}

.cursor-ring {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(45, 212, 191, 0.55);
  background: transparent;
  transition: width 0.25s var(--ease), height 0.25s var(--ease), background 0.25s ease, border-color 0.25s ease;
}

html[data-theme="light"] .cursor-ring {
  border-color: rgba(15, 118, 110, 0.45);
}

body.cursor-hover .cursor-ring {
  width: 64px;
  height: 64px;
  background: rgba(45, 212, 191, 0.08);
  border-color: var(--accent);
}

body.cursor-click .cursor-ring {
  width: 28px;
  height: 28px;
}

/* Loader */
.loader {
  position: fixed;
  inset: 0;
  z-index: 150;
  display: grid;
  place-items: center;
  background: #05080f;
  animation: loaderFade 0.55s ease 1.35s forwards;
}

.loader.is-done {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
  animation: none;
}

@keyframes loaderFade {
  to {
    opacity: 0;
    visibility: hidden;
  }
}

.loader-inner {
  text-align: center;
  width: min(320px, 80vw);
}

.loader-brand {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin: 0 0 1.5rem;
  color: #eef3f8;
}

.loader-brand span {
  color: var(--accent);
}

.loader-bar {
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
  border-radius: 999px;
}

.loader-bar span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, transparent, var(--accent), #5eead4);
  box-shadow: 0 0 20px var(--accent-glow);
  animation: loadFill 1.15s var(--ease) forwards;
}

@keyframes loadFill {
  to {
    width: 100%;
  }
}

.loader-note {
  margin: 1rem 0 0;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #8090a6;
}

/* Soft top shade so nav stays readable over the photo */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  height: var(--header-h);
  margin: 0;
  padding: 0;
  border: 0;
  background: linear-gradient(180deg, var(--bg) 0%, color-mix(in srgb, var(--bg) 72%, transparent) 65%, transparent 100%);
  box-shadow: none;
  outline: none;
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

/* Solid header while scrolling so page content never shows through the nav */
.site-header.is-scrolled,
.site-header.is-open,
.page-project .site-header {
  background: var(--bg);
  box-shadow: 0 1px 0 var(--line);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-weight: 750;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 70;
}

.brand em {
  font-style: normal;
  color: var(--accent);
}

.brand-mark {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 2px;
  background: linear-gradient(145deg, var(--accent), #5eead4);
  box-shadow: 0 0 0 4px var(--accent-soft), 0 0 24px var(--accent-glow);
  animation: pulseMark 3.2s ease-in-out infinite;
}

@keyframes pulseMark {
  0%,
  100% {
    box-shadow: 0 0 0 4px var(--accent-soft), 0 0 18px var(--accent-glow);
  }
  50% {
    box-shadow: 0 0 0 7px transparent, 0 0 28px var(--accent-glow);
  }
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-nav a {
  font-size: 0.95rem;
  font-weight: 550;
  color: var(--text-soft);
  transition: color 0.2s ease;
}

.site-nav a:hover {
  color: var(--accent);
}

.nav-cta {
  padding: 0.55rem 1.05rem !important;
  border-radius: 999px;
  background: var(--text);
  color: var(--bg) !important;
  font-weight: 700 !important;
}

.nav-cta:hover {
  background: var(--accent) !important;
  color: #041016 !important;
}

.theme-toggle {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  display: grid;
  place-items: center;
  background: var(--surface);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.25s var(--ease);
}

.theme-toggle:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

.theme-icon {
  font-size: 0.95rem;
  line-height: 1;
}

html[data-theme="dark"] .theme-icon-moon,
html[data-theme="light"] .theme-icon-sun {
  display: none;
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  gap: 6px;
  position: relative;
  z-index: 70;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  flex-shrink: 0;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 1.15rem;
  height: 2px;
  background: var(--text);
  transition: transform 0.25s var(--ease), opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3.1rem;
  min-width: 2.75rem;
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  touch-action: manipulation;
  transition: transform 0.25s var(--ease), background 0.25s ease, color 0.25s ease, border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #041016;
  box-shadow: 0 12px 40px var(--accent-glow);
}

.btn-primary:hover {
  box-shadow: 0 16px 48px var(--accent-glow);
}

.btn-ghost {
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: var(--surface);
}

.btn-ghost:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* Hero — split layout with framed editorial portrait */
.hero {
  position: relative;
  min-height: 100svh;
  min-height: 100dvh;
  display: grid;
  align-items: stretch;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(ellipse 50% 55% at 82% 40%, var(--hero-aura) 0%, transparent 70%),
    var(--bg);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  min-height: 100svh;
  min-height: 100dvh;
  padding: calc(var(--header-h) + 1.75rem) 0 3.5rem;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 36rem;
  padding: 0;
  margin: 0;
}

.hero-media {
  position: relative;
  z-index: 1;
  justify-self: end;
  width: min(100%, 420px);
  pointer-events: none;
}

.hero-frame-glow {
  position: absolute;
  inset: 8% -8% -6% 8%;
  border-radius: 40% 40% 36% 36%;
  background: radial-gradient(circle at 50% 40%, var(--hero-aura-core), transparent 68%);
  filter: blur(28px);
  opacity: 0.9;
  animation: floatGlow 10s ease-in-out infinite;
}

.hero-frame-accent {
  position: absolute;
  inset: 1.1rem -1.1rem -1.1rem 1.1rem;
  border-radius: calc(var(--radius) + 10px);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  transform: rotate(2.5deg);
  z-index: 0;
}

.hero-frame {
  position: relative;
  z-index: 1;
  margin: 0;
  aspect-ratio: 4 / 5;
  width: 100%;
  border-radius: calc(var(--radius) + 6px);
  overflow: hidden;
  background: var(--hero-frame-bg);
  border: 1px solid color-mix(in srgb, var(--line-strong) 80%, var(--accent));
  box-shadow:
    var(--hero-shadow),
    0 0 0 1px color-mix(in srgb, var(--bg) 40%, transparent);
}

.hero-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(180deg, transparent 58%, color-mix(in srgb, var(--bg) 55%, transparent) 100%),
    linear-gradient(90deg, color-mix(in srgb, var(--bg) 18%, transparent), transparent 28%);
}

.hero-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 12%;
  display: block;
  transform: none !important;
  filter: none;
  -webkit-mask-image: none;
  mask-image: none;
}

html[data-theme="light"] .hero-frame::after {
  background:
    linear-gradient(180deg, transparent 55%, color-mix(in srgb, var(--bg) 65%, transparent) 100%),
    linear-gradient(90deg, color-mix(in srgb, var(--bg) 22%, transparent), transparent 30%);
}

@keyframes floatGlow {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(-2%, -1.5%, 0) scale(1.04);
  }
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 1.1rem;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.live-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent-glow);
  animation: livePulse 2s infinite;
}

@keyframes livePulse {
  0% {
    box-shadow: 0 0 0 0 var(--accent-glow);
  }
  70% {
    box-shadow: 0 0 0 12px transparent;
  }
  100% {
    box-shadow: 0 0 0 0 transparent;
  }
}

.hero-brand {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: color-mix(in srgb, var(--text) 78%, var(--accent));
}

.hero-brand span {
  color: var(--accent);
}

.hero h1 {
  margin-bottom: 1rem;
  max-width: 12ch;
  text-wrap: balance;
}

.hero-lede {
  max-width: 34rem;
  color: color-mix(in srgb, var(--text) 82%, transparent);
  font-size: clamp(1.05rem, 1.7vw, 1.2rem);
  margin-bottom: 1.35rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 0.85rem;
  margin-bottom: 1.85rem;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 550;
}

.hero-meta .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 1.4rem;
  transform: translateX(-50%);
  display: grid;
  justify-items: center;
  gap: 0.55rem;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  z-index: 2;
}

.scroll-hint i {
  width: 1px;
  height: 2.4rem;
  background: linear-gradient(180deg, var(--accent), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}

@keyframes scrollLine {
  0%,
  100% {
    transform: scaleY(0.4);
    transform-origin: top;
    opacity: 0.4;
  }
  50% {
    transform: scaleY(1);
    opacity: 1;
  }
}

/* Sections */
.section {
  position: relative;
  z-index: 1;
  padding: clamp(4.5rem, 9vw, 7.5rem) 0;
}

.section-head {
  max-width: 42rem;
  margin-bottom: clamp(1.75rem, 3.5vw, 2.75rem);
}

.section-head h2 {
  font-size: clamp(1.65rem, 3vw, 2.45rem);
  max-width: 18ch;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 0.85rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-lede {
  color: var(--muted);
  font-size: 1.08rem;
  margin: 0.75rem 0 0;
}

.case-banner {
  display: inline-block;
  margin: 1.15rem 0 0;
  padding: 0.65rem 0.9rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  color: var(--text-soft);
  font-size: 0.92rem;
  font-weight: 600;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(1.75rem, 4vw, 3.5rem);
  align-items: start;
}

.about-copy p {
  font-size: 1.12rem;
  color: var(--text-soft);
}

.about-frame {
  margin-top: 1.25rem !important;
  padding: 1.15rem 1.25rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--muted) !important;
  font-size: 0.98rem !important;
}

.about-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 0;
}

.about-meta div {
  padding: 1.15rem 1.2rem;
  border-radius: calc(var(--radius) - 4px);
  background: var(--surface);
  border: 1px solid var(--line);
  transition: transform 0.35s var(--ease), border-color 0.25s ease, background 0.25s ease;
}

.about-meta div:hover {
  transform: translateY(-4px);
  border-color: rgba(45, 212, 191, 0.35);
  background: var(--surface-strong);
}

.about-meta dt {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.about-meta dd {
  margin: 0;
  font-weight: 650;
  color: var(--text);
}

/* Expertise */
.expertise-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.glass-panel {
  position: relative;
  padding: clamp(1.5rem, 3vw, 2rem);
  border-radius: calc(var(--radius) + 4px);
  background:
    linear-gradient(160deg, rgba(45, 212, 191, 0.08), transparent 45%),
    var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
  transform-style: preserve-3d;
  transition: border-color 0.3s ease, transform 0.35s var(--ease);
}

.glass-panel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent), transparent);
}

.glass-panel:hover {
  border-color: rgba(45, 212, 191, 0.35);
}

.panel-top {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  margin-bottom: 1.35rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.panel-index {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
}

.skill-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.skill-list li {
  display: grid;
  gap: 0.2rem;
  padding-left: 0.9rem;
  position: relative;
}

.skill-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 1px;
  background: var(--accent);
}

.skill-list strong {
  font-weight: 700;
  color: var(--text);
}

.skill-list span {
  color: var(--muted);
  font-size: 0.94rem;
}

/* Projects */
.project-list {
  display: grid;
  border-top: 1px solid var(--line-strong);
}

.project-row {
  display: grid;
  grid-template-columns: 3.5rem 1fr auto auto;
  gap: 1rem 1.25rem;
  align-items: center;
  padding: 1.55rem 0.35rem;
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  transition: padding 0.35s var(--ease), background 0.35s ease;
}

.project-row::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(45, 212, 191, 0.1), transparent 55%);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.project-row:hover {
  padding-left: 0.9rem;
  padding-right: 0.9rem;
  background: var(--surface);
}

.project-row:hover::before {
  opacity: 1;
}

.project-index,
.project-copy,
.project-tag,
.project-arrow {
  position: relative;
  z-index: 1;
}

.project-index {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--accent);
}

.project-copy h3 {
  margin: 0 0 0.35rem;
  font-size: 1.22rem;
}

.project-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.project-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-soft);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.project-arrow {
  font-size: 1.35rem;
  color: var(--accent);
  transition: transform 0.35s var(--ease);
}

.project-row:hover .project-arrow {
  transform: translateX(6px);
}

/* Learning */
.learning-panel {
  padding: clamp(2.2rem, 5vw, 3.6rem);
  border-radius: calc(var(--radius) + 8px);
  background:
    radial-gradient(700px 320px at 100% 0%, rgba(45, 212, 191, 0.22), transparent 60%),
    linear-gradient(145deg, #0d1a22 0%, #071018 55%, #102330 100%);
  border: 1px solid rgba(45, 212, 191, 0.18);
  box-shadow: var(--shadow);
  color: #eef3f8;
  overflow: hidden;
  position: relative;
}

html[data-theme="light"] .learning-panel {
  background:
    radial-gradient(700px 320px at 100% 0%, rgba(15, 118, 110, 0.18), transparent 60%),
    linear-gradient(145deg, #123531 0%, #0b1f24 60%, #16403a 100%);
}

.learning-panel .eyebrow {
  color: #99f6e4;
}

.learning-panel h2 {
  color: #fff;
}

.learning-panel > p {
  max-width: 40rem;
  color: rgba(238, 243, 248, 0.8);
}

.topic-orbit {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.5rem 0 1.75rem;
}

.topic-orbit span {
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.04);
  transition: transform 0.25s var(--ease), border-color 0.25s ease, background 0.25s ease;
}

.topic-orbit span:hover {
  transform: translateY(-3px);
  border-color: rgba(45, 212, 191, 0.55);
  background: rgba(45, 212, 191, 0.12);
}

.learning-panel .btn-primary {
  background: #fff;
  color: #071018;
  box-shadow: none;
}

.learning-panel .btn-ghost {
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.contact-item {
  display: grid;
  gap: 0.4rem;
  padding: 1.3rem 1.4rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  transition: transform 0.3s var(--ease), border-color 0.25s ease, background 0.25s ease, box-shadow 0.3s ease;
}

a.contact-item:hover {
  transform: translateY(-4px);
  border-color: rgba(45, 212, 191, 0.4);
  background: var(--surface-strong);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.2);
}

.contact-item-wide {
  grid-column: 1 / -1;
}

.contact-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact-value {
  font-weight: 650;
  word-break: break-word;
}

/* Footer */
.site-footer {
  position: relative;
  z-index: 1;
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: end;
  flex-wrap: wrap;
}

.footer-brand {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-weight: 750;
  font-size: 1.1rem;
}

.footer-note,
.footer-copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

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

.reveal.is-visible,
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* Project pages: never hide content if animation script is skipped */
.page-project [data-reveal] {
  opacity: 1;
  transform: none;
}

/* Project pages */
.page-project {
  background:
    radial-gradient(900px 420px at 10% -5%, rgba(45, 212, 191, 0.1), transparent 55%),
    radial-gradient(700px 360px at 100% 15%, rgba(120, 168, 196, 0.08), transparent 50%),
    var(--bg);
}

.project-hero {
  padding: calc(var(--header-h) + 2.75rem) 0 1.75rem;
  position: relative;
  z-index: 1;
  border-bottom: 1px solid var(--line);
  margin-bottom: 0.5rem;
}

.project-hero-inner {
  max-width: 46rem;
}

.project-hero h1 {
  font-size: clamp(1.7rem, 3vw, 2.45rem);
  max-width: 18ch;
  margin: 0 0 0.9rem;
  line-height: 1.18;
  letter-spacing: -0.03em;
}

.project-hero .section-lede {
  max-width: 40rem;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-soft);
  margin: 0 0 1rem;
}

.breadcrumb-nav {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  font-weight: 650;
}

.breadcrumb-nav a {
  color: var(--accent);
  transition: opacity 0.2s ease;
}

.breadcrumb-nav a:hover {
  opacity: 0.8;
}

.project-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.85rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 550;
}

.badge {
  display: inline-flex;
  padding: 0.32rem 0.75rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.case-note {
  margin: 0;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--accent);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.92rem;
  border-radius: 0 12px 12px 0;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.35rem;
}

.case-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
  padding: 1rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--line);
  position: sticky;
  top: calc(var(--header-h) + 0.65rem);
  z-index: 5;
  backdrop-filter: blur(10px);
}

.case-toc a {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  font-size: 0.82rem;
  font-weight: 650;
  color: var(--text-soft);
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.case-toc a:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.case-grid {
  display: grid;
  gap: 1rem;
  padding: 1.5rem 0 2rem;
  position: relative;
  z-index: 1;
  max-width: 52rem;
}

.case-block {
  padding: 1.35rem 1.45rem;
  border-radius: calc(var(--radius) - 2px);
  background: var(--surface);
  border: 1px solid var(--line);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.case-block:hover {
  border-color: rgba(45, 212, 191, 0.28);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.case-block h2 {
  font-size: 1.15rem;
  margin-bottom: 0.7rem;
  color: var(--text);
}

.case-block h3 {
  font-size: 1rem;
  margin: 1.1rem 0 0.45rem;
  color: var(--text);
}

.case-block p {
  color: var(--text-soft);
  font-size: 0.98rem;
  line-height: 1.65;
}

.case-block p:last-child,
.case-block ul:last-child,
.case-block ol:last-child {
  margin-bottom: 0;
}

.case-block ul,
.case-block ol {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--text-soft);
  font-size: 0.98rem;
}

.case-block li + li {
  margin-top: 0.4rem;
}

.case-block li::marker {
  color: var(--accent);
}

.phase-list {
  list-style: none;
  padding: 0 !important;
  margin: 0;
  display: grid;
  gap: 1rem;
}

.phase-list li {
  display: grid;
  grid-template-columns: 3.2rem 1fr;
  gap: 0.85rem;
  align-items: start;
  margin: 0 !important;
}

.phase-num {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--accent);
  font-size: 1.05rem;
  padding-top: 0.1rem;
}

.phase-list strong {
  display: block;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.decision-list {
  display: grid;
  gap: 0.85rem;
  margin: 0.85rem 0 0;
}

.decision-list div {
  padding: 0.9rem 1rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
}

html[data-theme="light"] .decision-list div {
  background: rgba(7, 11, 18, 0.03);
}

.decision-list dt {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 750;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.decision-list dd {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.deliverable-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 0.85rem;
}

.deliverable-grid span {
  display: block;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  background: var(--accent-soft);
  border: 1px solid rgba(45, 212, 191, 0.18);
  font-size: 0.92rem;
  font-weight: 650;
  color: var(--text);
}

.module-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.module-chips span {
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid rgba(45, 212, 191, 0.2);
  font-size: 0.88rem;
  font-weight: 650;
  color: var(--text);
}

.project-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: space-between;
  padding: 2rem 0 4rem;
  border-top: 1px solid var(--line);
  position: relative;
  z-index: 1;
}

.project-cta-band {
  margin: 0.5rem 0 2rem;
  padding: 1.5rem 1.6rem;
  border-radius: var(--radius);
  background:
    radial-gradient(500px 200px at 100% 0%, rgba(45, 212, 191, 0.14), transparent 60%),
    var(--surface);
  border: 1px solid var(--line);
}

.project-cta-band h2 {
  font-size: 1.2rem;
  margin: 0 0 0.55rem;
}

.project-cta-band p {
  margin: 0 0 1.1rem;
  color: var(--muted);
}

.project-row .project-open {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.55rem;
  font-size: 0.88rem;
  font-weight: 750;
  color: var(--accent);
}

/* ---------- Responsive: tablet & below ---------- */
@media (max-width: 1100px) {
  .site-nav {
    gap: 1rem;
  }

  .site-nav a:not(.nav-cta) {
    font-size: 0.9rem;
  }
}

@media (max-width: 980px) {
  :root {
    --header-h: 4.15rem;
  }

  body,
  body.is-loaded {
    cursor: auto;
  }

  .cursor {
    display: none !important;
  }

  .nav-toggle {
    display: grid;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 65;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.15rem;
    padding:
      calc(var(--header-h) + env(safe-area-inset-top, 0px) + 1rem)
      1.5rem
      calc(2rem + env(safe-area-inset-bottom, 0px));
    background: color-mix(in srgb, var(--bg) 96%, transparent);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  .site-header.is-open .site-nav {
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
  }

  .site-nav a {
    font-size: clamp(1.35rem, 4.5vw, 1.65rem);
    font-family: var(--font-display);
    font-weight: 750;
    padding: 0.35rem 0.75rem;
  }

  .site-nav .nav-cta {
    margin-top: 0.35rem;
    padding: 0.75rem 1.35rem !important;
    font-size: 1.05rem !important;
  }

  .site-nav .theme-toggle {
    width: 3rem;
    height: 3rem;
    margin-top: 0.25rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding-top: calc(var(--header-h) + 1rem);
    padding-bottom: 2.5rem;
    min-height: auto;
  }

  .hero {
    overflow-x: clip;
    height: auto;
    min-height: 100svh;
    min-height: 100dvh;
  }

  .hero-content {
    max-width: none;
    width: 100%;
    order: 2;
  }

  .hero-media {
    order: 1;
    justify-self: center;
    width: min(72%, 300px);
  }

  .hero-frame-accent {
    inset: 0.75rem -0.75rem -0.75rem 0.75rem;
  }

  .scroll-hint {
    display: none;
  }
}

@media (max-width: 900px) {
  .about-grid,
  .expertise-panels {
    grid-template-columns: 1fr;
  }

  .project-row {
    grid-template-columns: 2.5rem 1fr;
    grid-template-areas:
      "index copy"
      "index tag"
      "index arrow";
    align-items: start;
    padding: 1.35rem 0.15rem;
  }

  .project-index {
    grid-area: index;
    align-self: start;
    padding-top: 0.2rem;
  }

  .project-copy {
    grid-area: copy;
  }

  .project-tag {
    grid-area: tag;
    white-space: normal;
    line-height: 1.35;
  }

  .project-arrow {
    grid-area: arrow;
    justify-self: start;
  }

  .section-head h2,
  .project-hero h1 {
    max-width: none;
  }

  .case-block {
    padding: 1.2rem 1.15rem;
  }

  .project-cta-band {
    padding: 1.25rem 1.2rem;
  }

  .learning-panel {
    padding: 1.75rem 1.35rem;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 1rem;
  }

  .hero h1 {
    font-size: clamp(2.15rem, 10vw, 2.85rem);
    max-width: none;
    margin-bottom: 0.75rem;
  }

  .hero-brand {
    font-size: clamp(1.35rem, 5.5vw, 1.75rem);
    margin-bottom: 0.35rem;
  }

  .hero-lede {
    font-size: 1.02rem;
    margin-bottom: 1rem;
  }

  .hero-kicker {
    letter-spacing: 0.1em;
    font-size: 0.72rem;
    max-width: 100%;
    margin-bottom: 0.75rem;
  }

  .hero-meta {
    margin-bottom: 1.25rem;
  }

  .hero-actions,
  .hero-cta-row {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn,
  .hero-cta-row .btn {
    width: 100%;
  }

  .hero-content {
    padding: 0 0 calc(0.5rem + env(safe-area-inset-bottom, 0px));
  }

  .about-meta,
  .contact-grid,
  .deliverable-grid {
    grid-template-columns: 1fr;
  }

  .contact-item-wide {
    grid-column: auto;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .phase-list li {
    grid-template-columns: 2.4rem 1fr;
  }

  .case-toc {
    position: static;
    padding: 0.85rem;
    gap: 0.4rem;
  }

  .case-toc a {
    padding: 0.45rem 0.7rem;
    font-size: 0.8rem;
  }

  .project-hero {
    padding: calc(var(--header-h) + 1.75rem) 0 1.35rem;
  }

  .project-hero h1 {
    font-size: clamp(1.55rem, 6.5vw, 1.95rem);
    max-width: none;
  }

  .project-nav {
    flex-direction: column;
  }

  .project-nav .btn {
    width: 100%;
  }

  .section {
    padding: clamp(3.25rem, 10vw, 5rem) 0;
  }

  .about-copy p {
    font-size: 1.05rem;
  }

  .project-copy h3 {
    font-size: 1.1rem;
  }
}

@media (max-width: 480px) {
  :root {
    --header-h: 3.85rem;
    --radius: 18px;
  }

  .brand {
    font-size: 0.95rem;
    gap: 0.55rem;
  }

  .shell {
    width: min(1140px, calc(100% - 1.25rem));
  }

  .hero-media {
    width: min(78%, 260px);
  }

  .hero-meta {
    gap: 0.4rem 0.65rem;
    font-size: 0.88rem;
  }

  .topic-orbit span {
    font-size: 0.82rem;
    padding: 0.4rem 0.7rem;
  }

  .contact-item {
    padding: 1.1rem 1.1rem;
  }

  .glass-panel {
    padding: 1.25rem 1.1rem;
  }

  .case-grid {
    padding: 1.15rem 0 1.5rem;
  }
}

@media (min-width: 481px) and (max-width: 900px) {
  .about-meta {
    grid-template-columns: 1fr 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }

  .deliverable-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (orientation: landscape) and (max-height: 500px) {
  .hero,
  .hero-grid {
    min-height: auto;
  }

  .hero-grid {
    padding-top: calc(var(--header-h) + 0.75rem);
    padding-bottom: 1.25rem;
    gap: 1rem;
  }

  .hero-media {
    width: min(40%, 220px);
  }

  .hero-frame-accent {
    display: none;
  }

  .site-nav {
    justify-content: flex-start;
    padding-top: calc(var(--header-h) + 0.75rem);
    overflow-y: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal,
  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .hero-frame img {
    transform: none;
  }

  body,
  button {
    cursor: auto;
  }

  .cursor {
    display: none;
  }
}