/* ==========================================================================
   Aniruddha Lahoti — Portfolio
   Vanilla HTML/CSS. No build step, no dependencies. Deploy as static files.
   ========================================================================== */

:root {
  --ink: #050506;
  --text: #F2F4F7;
  --text-muted: #8B93A1;
  --text-dim: #9BA3AF;
  --accent: #E9EAED;
  --accent-2: #B9BEC7;
  --gold: #D8B978;
  --gold-dim: rgba(216,185,120,0.4);
  --glass-bg: rgba(255,255,255,0.045);
  --glass-border: rgba(255,255,255,0.09);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: radial-gradient(ellipse 1400px 900px at 50% -10%, #1A1D22 0%, #0B0C0F 45%, #050506 100%);
  color: var(--text);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.mono { font-family: 'JetBrains Mono', monospace; }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- ambient texture layers ---------- */

.gloss-sheen {
  position: fixed; inset: 0; z-index: 998; pointer-events: none;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.05) 48%, rgba(255,255,255,0.10) 50%, rgba(255,255,255,0.05) 52%, transparent 70%);
  mix-blend-mode: screen;
}

.grain {
  position: fixed; inset: 0; z-index: 999; pointer-events: none;
  opacity: 0.05; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

.page {
  width: 100%;
  position: relative;
  overflow: hidden;
}

.glow-blob {
  position: absolute; border-radius: 50%; filter: blur(50px); pointer-events: none;
}

/* ---------- shared glass surface ---------- */

.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), inset 0 0 40px rgba(255,255,255,0.02);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #05070A;
}
.btn-primary:hover { filter: brightness(1.1); box-shadow: 0 0 24px rgba(255,255,255,0.35); }

/* ---------- nav ---------- */

.site-nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px clamp(20px, 6vw, 64px);
  border-left: none; border-top: none; border-right: none;
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: #0C0F14; border: 1px solid var(--gold-dim);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Unbounded', sans-serif; font-weight: 700; font-size: 14px; color: var(--gold);
}
.brand-name { font-family: 'Unbounded', sans-serif; font-size: 16px; font-weight: 500; letter-spacing: 0.02em; }

.nav-links { display: flex; align-items: center; gap: 32px; }
.navlink { font-size: 15px; color: var(--text-dim); transition: color 0.2s; }
.navlink:hover { color: var(--text); }

.contact-cluster { display: flex; align-items: center; gap: 10px; }
.icon-link {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 12px;
  color: var(--text-dim); transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.icon-link:hover { color: var(--accent); border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.08); }
.icon-link.linkedin { width: auto; padding: 0 16px; font-size: 13px; font-weight: 600; }

@media (max-width: 768px) { .nav-links { display: none; } }

/* ---------- chrome accent divider ---------- */

.chrome-divider { width: 100%; height: 64px; display: block; }

/* ---------- breathing glow (respects reduced motion) ---------- */

@keyframes breathe {
  0%, 100% { box-shadow: 0 0 0 rgba(255,255,255,0); }
  50% { box-shadow: 0 0 30px rgba(255,255,255,0.14); }
}

/* ---------- WORK: horizontal accordion ---------- */

.work-section { position: relative; z-index: 1; padding: 32px clamp(20px, 6vw, 64px) 40px; }
.eyebrow {
  font-size: 12.5px; color: var(--gold); letter-spacing: 0.16em; margin-bottom: 10px;
  display: flex; align-items: center; gap: 8px;
}
.eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 8px var(--gold-dim); }
.section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 28px; flex-wrap: wrap; gap: 12px;
}
.section-head h2 { font-family: 'Unbounded', sans-serif; font-size: clamp(28px, 4.2vw, 38px); font-weight: 600; margin: 0; letter-spacing: -0.01em; }
.section-head span { font-size: 14px; color: var(--text-muted); }

.accordion-row { display: flex; gap: 14px; width: 100%; height: 440px; }

.acc-panel {
  position: relative; display: block; flex: 1 1 0%; min-width: 0; height: 100%;
  border-radius: 22px; overflow: hidden; border: 1px solid rgba(255,255,255,0.10);
  animation: breathe 5s ease-in-out infinite;
  transition: flex-grow 0.55s cubic-bezier(0.19,1,0.22,1), border-color 0.4s ease, box-shadow 0.4s ease;
}
.acc-panel:nth-child(1) { animation-delay: 0s; }
.acc-panel:nth-child(2) { animation-delay: 0.4s; }
.acc-panel:nth-child(3) { animation-delay: 0.8s; }
.acc-panel:nth-child(4) { animation-delay: 1.2s; }
.acc-panel:nth-child(5) { animation-delay: 1.6s; }

.acc-panel:hover, .acc-panel:focus-within {
  flex-grow: 4; border-color: var(--gold-dim); animation-play-state: paused;
  box-shadow: 0 0 46px rgba(216,185,120,0.18), 0 30px 60px -18px rgba(0,0,0,0.7);
}
.acc-panel::before {
  content: ''; position: absolute; top: 0; left: -160%; width: 55%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.16), transparent);
  transform: skewX(-18deg); transition: left 0.85s cubic-bezier(0.2,0.8,0.2,1);
  z-index: 5; pointer-events: none;
}
.acc-panel:hover::before, .acc-panel:focus-within::before { left: 160%; }

.card-img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top;
  filter: blur(16px) brightness(0.4) saturate(0.9); transform: scale(1.08);
  transition: filter 0.5s ease, transform 0.5s ease;
}
.acc-panel:hover .card-img, .acc-panel:focus-within .card-img {
  filter: blur(0px) brightness(0.7) saturate(1.05); transform: scale(1.02);
}

.panel-body {
  position: relative; z-index: 2; height: 100%;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 24px; gap: 8px;
  background: linear-gradient(180deg, rgba(5,6,7,0.05) 0%, rgba(5,6,7,0.55) 55%, rgba(5,6,7,0.88) 100%);
}
.panel-body::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.06) 0%, transparent 32%, transparent 68%, rgba(255,255,255,0.04) 100%);
  pointer-events: none;
}
.panel-body > * { position: relative; z-index: 1; }

.card-title { font-family: 'Unbounded', sans-serif; font-weight: 500; font-size: 18px; color: #EDEFF2; margin: 0; }

.expand-content { display: flex; flex-direction: column; gap: 10px; opacity: 0; transition: opacity 0.4s ease 0.05s; }
.acc-panel:hover .expand-content, .acc-panel:focus-within .expand-content { opacity: 1; }

.brief { font-size: 14px; line-height: 1.5; color: #C4CAD3; margin: 0; }
.tag { font-size: 12px; padding: 5px 12px; border-radius: 100px; width: fit-content; white-space: nowrap; }
.tag-accent { background: rgba(216,185,120,0.12); border: 1px solid var(--gold-dim); color: var(--gold); }
.tag-neutral { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.16); color: #D8DCE2; }

.visit-pill {
  position: absolute; top: 18px; right: 18px; z-index: 6;
  display: flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: 100px; font-size: 12.5px; font-weight: 600;
  background: rgba(6,7,9,0.6); border: 1px solid var(--gold-dim); color: var(--gold);
  opacity: 0; transition: opacity 0.35s ease;
}
.acc-panel:hover .visit-pill, .acc-panel:focus-within .visit-pill { opacity: 1; }

/* mobile: accordion becomes a vertical stack, every card fully open (no hover on touch) */
@media (max-width: 900px) {
  .accordion-row { flex-direction: column; height: auto; }
  .acc-panel { flex: none; height: 240px; width: 100%; }
  .acc-panel .card-img { filter: blur(0px) brightness(0.55) saturate(1) !important; transform: none !important; }
  .expand-content { opacity: 1 !important; }
  .visit-pill { opacity: 1 !important; }
}

/* ---------- HOW WE WORK: loop diagram ---------- */

.process-section { position: relative; z-index: 1; padding: 40px clamp(20px, 6vw, 64px) 90px; }
.process-section h2 { font-family: 'Unbounded', sans-serif; font-size: clamp(24px, 4vw, 34px); font-weight: 600; margin: 0 0 12px; }
.process-sub { font-size: 14.5px; color: var(--text-muted); margin: 0 0 8px; max-width: 520px; }

.flow-wrap { position: relative; padding-top: 76px; }
.flow-row {
  display: flex; align-items: center; justify-content: space-between; gap: 4px;
  position: relative; z-index: 2;
}
.flow-node { display: flex; flex-direction: column; align-items: center; gap: 10px; flex: 0 0 auto; }
.node-badge {
  width: 62px; height: 62px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--accent);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.node-badge:hover { border-color: var(--gold-dim); box-shadow: 0 0 24px rgba(216,185,120,0.22); }
.node-badge.is-final { border-color: var(--gold-dim); color: var(--gold); }
.node-label { font-size: 13px; color: #C4CAD3; text-align: center; white-space: nowrap; }
.node-label.is-final { color: var(--text); font-weight: 600; }

.flow-arrow { color: #4B5563; font-size: 20px; flex: 0 0 auto; margin-top: -26px; }

.loop-arc-desktop { position: absolute; top: -6px; left: 25%; width: 33.34%; height: 76px; overflow: visible; }
.loop-arc-mobile { display: none; }

@media (max-width: 768px) {
  .flow-wrap { padding-top: 0; padding-left: 70px; max-width: 100%; }
  .flow-row { flex-direction: column; align-items: flex-start; gap: 22px; width: 100%; }
  .flow-node { max-width: 100%; }
  .flow-arrow { margin-top: 0; transform: rotate(90deg); margin-left: 21px; }
  .loop-arc-desktop { display: none; }
  .loop-arc-mobile { display: block; position: absolute; top: 25%; height: 33.34%; left: 10px; width: 60px; overflow: visible; }
}

@media (max-width: 420px) {
  .flow-wrap { padding-left: 58px; }
  .node-badge { width: 52px; height: 52px; font-size: 12px; }
  .node-label { font-size: 12px; white-space: normal; }
  .flow-arrow { margin-left: 17px; font-size: 18px; }
  .loop-arc-mobile { left: 8px; width: 50px; }
}

/* ---------- TOOLS ---------- */

.tools-section { position: relative; z-index: 1; padding: 0 clamp(20px, 6vw, 64px) 90px; }
.tools-section h2 {
  font-family: 'Unbounded', sans-serif; font-size: 20px; font-weight: 500;
  color: var(--text-muted); margin: 0 0 24px; text-align: center;
}
.tool-row { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }
.tool-chip { padding: 10px 20px; border-radius: 100px; font-size: 14px; transition: border-color 0.2s, color 0.2s; }
.tool-chip:hover { border-color: var(--gold-dim); color: var(--gold); }

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .acc-panel { animation: none; }
  .loop-arc-desktop circle, .loop-arc-mobile circle { display: none; }
}