/* ══════════════════════════════════════════════════════════════
   Pritiranjan Biswal — Corporate portfolio v3
   Light editorial with dark interludes · Fraunces + Inter
   ══════════════════════════════════════════════════════════════ */

:root {
  --bg:          #FFFFFF;
  --bg-soft:     #F6F8FA;
  --ink:         #0B1B2B;
  --ink-2:       #3D4B5C;
  --muted:       #64748B;
  --line:        #E5EAF0;
  --accent:      #0E8074;
  --accent-dark: #0A5F56;
  --accent-soft: #E7F4F2;

  /* Dark interlude palette */
  --d-bg:        #08131E;
  --d-bg-2:      #0E1E2E;
  --d-bg-3:      #16293B;
  --d-ink:       #EAF1F4;
  --d-ink-2:     #A9BCC8;
  --d-muted:     #64798A;
  --d-line:      rgba(234, 241, 244, 0.10);
  --d-line-2:    rgba(234, 241, 244, 0.18);
  --d-accent:    #2FC7B0;
  --d-accent-2:  #7FE7D6;

  --radius:      14px;
  --shadow:      0 1px 2px rgba(11, 27, 43, 0.04), 0 8px 24px rgba(11, 27, 43, 0.06);
  --shadow-lg:   0 4px 12px rgba(11, 27, 43, 0.06), 0 20px 48px rgba(11, 27, 43, 0.10);
  --shadow-xl:   0 30px 70px -24px rgba(11, 27, 43, 0.30);

  --sans:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --mono:    'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--accent); color: #fff; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 40px; }

/* ─────────────── Typography ─────────────── */
h1, h2, h3 { font-family: var(--display); font-weight: 400; letter-spacing: -0.02em; color: var(--ink); line-height: 1.05; }
h1 em, h2 em, h3 em, .accent {
  font-style: italic;
  color: var(--accent);
  font-variation-settings: "opsz" 144, "SOFT" 100, "WONK" 1;
}
.display-xl { font-size: clamp(44px, 7.4vw, 104px); font-weight: 300; letter-spacing: -0.045em; line-height: 0.95; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--muted); font-weight: 500;
}
.section-sub { font-size: 17px; color: var(--ink-2); max-width: 620px; line-height: 1.7; }
.mono { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; }

/* ─────────────── Icon primitives ─────────────── */
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 1em; height: 1em; flex: none; vertical-align: -0.135em; }
.icon-brand { fill: currentColor; stroke: none; }
.icon-ui { fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }

/* ─────────────── Scroll progress ─────────────── */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--d-accent));
  z-index: 200; transition: width 0.1s linear;
}

/* ─────────────── Header ─────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, background 0.3s;
}
.site-header.scrolled { border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  font-family: var(--display); font-weight: 500; font-size: 20px;
  width: 40px; height: 40px; border-radius: 11px;
  background: var(--ink); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  letter-spacing: -0.03em;
}
.brand-name { font-family: var(--display); font-size: 20px; letter-spacing: -0.02em; }
.brand-name b { font-weight: 500; }

.site-nav { display: flex; align-items: center; gap: 34px; }
.site-nav a {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted); position: relative; padding: 6px 0; transition: color 0.25s;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a.active { color: var(--ink); }
.site-nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -1px; height: 2px;
  background: var(--accent); border-radius: 2px; transition: right 0.3s cubic-bezier(0.16,1,0.3,1);
}
.site-nav a.active::after { right: 0; }

.nav-toggle { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; flex-direction: column; gap: 5px; align-items: center; justify-content: center; }
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform 0.3s; }

/* ─────────────── Hero ─────────────── */
.hero { position: relative; padding: 168px 0 96px; overflow: hidden; }
.hero-canvas { position: absolute; inset: 0; z-index: 0; opacity: 0.9; pointer-events: none; }
.hero .container { position: relative; z-index: 2; }
.hero .eyebrow { margin-bottom: 32px; }
.pulse { width: 8px; height: 8px; background: #22C55E; border-radius: 50%; box-shadow: 0 0 0 0 rgba(34,197,94,0.6); animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(34,197,94,0.55);} 70% { box-shadow: 0 0 0 12px rgba(34,197,94,0);} 100% { box-shadow: 0 0 0 0 rgba(34,197,94,0);} }
.hero h1 { max-width: 15ch; margin-bottom: 32px; }
.hero-sub { font-size: 19px; color: var(--ink-2); max-width: 600px; line-height: 1.65; }
.hero-sub strong { color: var(--ink); font-weight: 600; }
.hero-ctas { display: flex; gap: 14px; margin-top: 40px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 100px; font-size: 15px; font-weight: 500;
  font-family: var(--sans); cursor: pointer; border: 1.5px solid transparent;
  transition: transform 0.25s cubic-bezier(0.16,1,0.3,1), background 0.25s, border-color 0.25s, color 0.25s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--ink); }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 80px; padding-top: 44px; border-top: 1px solid var(--line); }
.stat-icon { display: block; font-size: 20px; color: var(--accent); opacity: 0.65; margin-bottom: 12px; }
.stat-num { display: block; font-family: var(--display); font-size: 46px; font-weight: 300; letter-spacing: -0.03em; color: var(--ink); line-height: 1; font-variant-numeric: tabular-nums; }
.stat-label { font-size: 13.5px; color: var(--muted); margin-top: 8px; display: block; }

.scroll-cue { display: flex; align-items: center; gap: 10px; margin-top: 64px; color: var(--muted); font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; }
.scroll-cue .line { width: 40px; height: 1px; background: linear-gradient(90deg, var(--muted), transparent); }

/* ─────────────── Logo wall ─────────────── */
.logo-strip { padding: 56px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.strip-label { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.16em; color: var(--muted); text-align: center; margin-bottom: 8px; }
.strip-sub { font-size: 14px; color: var(--muted); text-align: center; margin-bottom: 34px; }
.logo-group + .logo-group { margin-top: 26px; padding-top: 30px; border-top: 1px dashed var(--line); }
.logo-group-label { font-family: var(--mono); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.14em; color: #97A3B4; text-align: center; margin-bottom: 20px; }
.logos { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 14px 16px; list-style: none; }
.logos li { display: flex; }
.logo-mark {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 68px; padding: 0 26px; border: 1px solid transparent; border-radius: 12px;
  background: transparent; color: #94A2B2; font-family: var(--display); font-size: 19px;
  white-space: nowrap; transition: color 0.25s, background 0.25s, border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.logo-mark img { max-height: 34px; max-width: 100%; width: auto; object-fit: contain; filter: grayscale(1); opacity: 0.55; transition: filter 0.3s, opacity 0.3s; }
.logos li:hover .logo-mark { color: var(--ink); background: #fff; border-color: var(--line); transform: translateY(-3px); box-shadow: var(--shadow); }
.logos li:hover .logo-mark img { filter: grayscale(0); opacity: 1; }

/* Enterprise row — equal cells so wordmarks read at consistent weight */
.logos-brands { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.logos-brands li { justify-content: center; }
.logos-brands .logo-mark { width: 100%; height: 76px; padding: 0 18px; }
.logos-brands .logo-mark img { max-height: 30px; max-width: 78%; }

/* Institutional row — fading auto-scroll marquee */
.marquee {
  display: flex; gap: 14px; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 9%, #000 91%, transparent);
}
.marquee-track { display: flex; gap: 14px; flex: 0 0 auto; list-style: none; animation: marquee 36s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(calc(-100% - 14px)); } }

/* ─────────────── Sections ─────────────── */
.section { padding: 120px 0; position: relative; }
.section-alt { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 760px; margin-bottom: 60px; }
.section-head .eyebrow { margin-bottom: 20px; }
.section-head h2 { font-size: clamp(34px, 5vw, 60px); font-weight: 300; margin-bottom: 20px; }

/* ─────────────── DARK interlude ─────────────── */
.section-dark {
  background: var(--d-bg); color: var(--d-ink); position: relative; overflow: hidden;
  padding: 128px 0;
}
.section-dark::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(680px circle at 82% 8%, rgba(47,199,176,0.14), transparent 60%),
    radial-gradient(560px circle at 8% 92%, rgba(47,199,176,0.08), transparent 55%);
}
.section-dark > .container { position: relative; z-index: 1; }
.section-dark h2, .section-dark h3 { color: var(--d-ink); }
.section-dark h2 em, .section-dark h3 em, .section-dark .accent { color: var(--d-accent); }
.section-dark .eyebrow { color: var(--d-muted); }
.section-dark .section-sub { color: var(--d-ink-2); }

/* ─────────────── 3D tilt wrapper ─────────────── */
.tilt { transform-style: preserve-3d; transition: transform 0.5s cubic-bezier(0.16,1,0.3,1); will-change: transform; }
.tilt .parallax-layer { transition: transform 0.4s cubic-bezier(0.16,1,0.3,1); will-change: transform; }

/* ─────────────── Enterprise cases (dark) ─────────────── */
.cases { display: grid; gap: 26px; }
.case {
  display: grid; grid-template-columns: 1.15fr 1fr; align-items: stretch;
  background: var(--d-bg-2); border: 1px solid var(--d-line); border-radius: 22px; overflow: hidden;
}
.case:nth-child(even) { grid-template-columns: 1fr 1.15fr; }
.case:nth-child(even) .case-visual { order: -1; }
.case-body { padding: 48px; display: flex; flex-direction: column; justify-content: center; }
.case-client { display: block; margin-bottom: 24px; }
.case-client img { height: 26px; width: auto; max-width: 210px; object-fit: contain; filter: brightness(0) invert(1); opacity: 0.92; }
.case-client img.jnj { height: 17px; }
.client-chip {
  display: inline-flex; align-items: center; gap: 8px; align-self: flex-start;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--d-accent-2); background: rgba(47,199,176,0.10); border: 1px solid rgba(47,199,176,0.22);
  padding: 6px 13px; border-radius: 100px; margin-bottom: 22px;
}
.client-chip img { height: 15px; filter: brightness(0) invert(1); opacity: 0.9; }
.case-body h3 { font-size: 30px; color: var(--d-ink); margin-bottom: 10px; }
.case-tagline { color: var(--d-ink-2); font-size: 15px; margin-bottom: 24px; line-height: 1.6; }
.case-points { display: grid; gap: 14px; }
.case-points div { display: grid; grid-template-columns: 96px 1fr; gap: 16px; }
.case-points dt { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--d-muted); padding-top: 3px; }
.case-points dd { color: var(--d-ink-2); font-size: 14px; line-height: 1.6; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; list-style: none; }
.tags li { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; color: var(--d-ink-2); background: rgba(234,241,244,0.04); border: 1px solid var(--d-line); padding: 6px 12px; border-radius: 100px; }
.tags .icon { font-size: 13px; color: var(--d-accent); }

.case-visual {
  position: relative; min-height: 340px; display: flex; align-items: center; justify-content: center;
  padding: 44px; background:
    radial-gradient(420px circle at 50% 40%, rgba(47,199,176,0.10), transparent 70%), var(--d-bg-3);
  border-left: 1px solid var(--d-line);
}
.case:nth-child(even) .case-visual { border-left: 0; border-right: 1px solid var(--d-line); }
.case-visual svg.wireframe { width: 100%; max-width: 420px; height: auto; filter: drop-shadow(0 24px 40px rgba(0,0,0,0.4)); }
.wf-panel { fill: rgba(234,241,244,0.06); stroke: rgba(234,241,244,0.12); stroke-width: 1; }
.wf-line { fill: rgba(234,241,244,0.16); }
.wf-accent { fill: var(--d-accent); }
.wf-chart { fill: none; stroke: var(--d-accent); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.wf-flow { fill: none; stroke: rgba(47,199,176,0.5); stroke-width: 2; stroke-dasharray: 4 5; }
.nda-chip {
  position: absolute; top: 18px; right: 18px; display: inline-flex; align-items: center; gap: 6px;
  font-size: 11.5px; font-weight: 500; background: rgba(8,19,30,0.72); color: var(--d-ink);
  padding: 7px 13px; border-radius: 100px; border: 1px solid var(--d-line-2); backdrop-filter: blur(4px);
}
.nda-chip .icon { font-size: 13px; color: var(--d-accent); }

/* ─────────────── Featured showcase (Ship IQ) ─────────────── */
.showcase { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; align-items: center; }
.showcase-text .client-chip { color: var(--accent-dark); background: var(--accent-soft); border-color: #CBE7E3; }
.showcase-text h2 { font-size: clamp(32px, 4.4vw, 54px); font-weight: 300; margin-bottom: 20px; }
.showcase-text p { font-size: 16px; color: var(--ink-2); line-height: 1.7; margin-bottom: 26px; }
.showcase-stats { display: flex; gap: 40px; padding-top: 26px; border-top: 1px solid var(--line); }
.showcase-stats .num { font-family: var(--display); font-size: 34px; font-weight: 300; color: var(--accent); line-height: 1; }
.showcase-stats .lbl { font-size: 12.5px; color: var(--muted); margin-top: 6px; }

.frame {
  position: relative; border-radius: 16px; overflow: hidden;
  background: #0B0B0E; border: 1px solid var(--line); box-shadow: var(--shadow-xl);
}
.frame-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; background: #14151A; }
.frame-bar span { width: 11px; height: 11px; border-radius: 50%; background: rgba(255,255,255,0.16); }
.frame-bar em { margin-left: 12px; font-family: var(--mono); font-size: 11px; color: rgba(255,255,255,0.4); font-style: normal; }
.frame img { width: 100%; display: block; }

/* ─────────────── Platforms ─────────────── */
.platform-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.platform-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: box-shadow 0.3s, border-color 0.3s; }
.platform-card:hover { box-shadow: var(--shadow-lg); border-color: #D4DEE9; }
.browser-frame { background: #EEF2F6; padding: 0; overflow: hidden; }
.browser-bar { display: flex; align-items: center; gap: 6px; padding: 11px 14px; background: #E3E9EF; }
.browser-bar span { width: 9px; height: 9px; border-radius: 50%; background: #C3CDD8; }
.browser-bar em { margin-left: 10px; font-family: var(--mono); font-size: 10.5px; color: var(--muted); font-style: normal; }
/* Web-design mockups sit on white so their own device shadows read */
.browser-frame .shot { background: #fff; padding: 20px 20px 8px; }
.browser-frame .shot img { width: 100%; height: auto; object-fit: contain; display: block; }
.platform-body { padding: 24px 28px 28px; }
.plat-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.plat-head h3 { font-size: 21px; margin: 0; }
.plat-year { flex: none; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.06em; color: var(--muted); background: var(--bg-soft); border: 1px solid var(--line); padding: 3px 9px; border-radius: 100px; white-space: nowrap; }
.platform-body p { font-size: 14.5px; color: var(--ink-2); line-height: 1.6; }
.platform-body .tags { margin-top: 16px; }
.platform-body .tags li { color: var(--ink-2); background: var(--bg-soft); border-color: var(--line); }
.platform-body .tags .icon { color: var(--accent); }
.text-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-size: 14px; font-weight: 500; color: var(--accent-dark); transition: gap 0.25s, color 0.2s; }
.text-link:hover { color: var(--ink); gap: 10px; }

/* ─────────────── Gallery (dark) ─────────────── */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gallery-item { position: relative; border-radius: 14px; overflow: hidden; cursor: pointer; border: 1px solid var(--d-line); background: var(--d-bg-2); }
.gallery-item img { width: 100%; aspect-ratio: 3/2; object-fit: cover; transition: transform 0.6s cubic-bezier(0.16,1,0.3,1); }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item figcaption { position: absolute; inset: auto 0 0 0; padding: 20px 16px 14px; background: linear-gradient(0deg, rgba(8,19,30,0.92), transparent); }
.gallery-item figcaption strong { display: block; font-size: 13.5px; color: var(--d-ink); font-weight: 600; }
.gallery-item figcaption span { font-size: 11.5px; color: var(--d-ink-2); }
.gallery-more { text-align: center; margin-top: 34px; color: var(--d-ink-2); font-size: 14.5px; }
.gallery-more a { color: var(--d-accent-2); border-bottom: 1px solid rgba(127,231,214,0.4); }

/* ─────────────── Process ─────────────── */
.process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; box-shadow: var(--shadow); transition: transform 0.3s, box-shadow 0.3s; }
.step:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.step-head { display: flex; align-items: center; justify-content: space-between; }
.step-num { font-family: var(--mono); font-size: 12px; font-weight: 500; color: var(--accent); letter-spacing: 0.06em; }
.step-icon { font-size: 22px; color: var(--accent); opacity: 0.5; }
.step h3 { font-size: 19px; margin: 14px 0 8px; }
.step p { font-size: 13.5px; color: var(--ink-2); line-height: 1.55; }
.step-tools { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--line); }
.step-tools .icon { font-size: 16px; color: #9AA6B4; transition: color 0.2s; }
.step:hover .step-tools .icon { color: var(--accent); }
.step-tools .more { font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em; color: #A8B2BF; text-transform: uppercase; }

/* ─────────────── Capabilities + tools (dark) ─────────────── */
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 56px; }
.cap { background: var(--d-bg-2); border: 1px solid var(--d-line); border-radius: 18px; padding: 30px; }
.cap-icon { display: inline-flex; align-items: center; justify-content: center; width: 46px; height: 46px; border-radius: 12px; background: rgba(47,199,176,0.12); color: var(--d-accent); font-size: 22px; margin-bottom: 18px; }
.cap h3 { font-size: 21px; margin-bottom: 10px; color: var(--d-ink); }
.cap p { font-size: 14px; color: var(--d-ink-2); line-height: 1.65; }

.tool-stack { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px 40px; }
.tool-group-label { display: flex; align-items: center; gap: 9px; font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--d-muted); margin-bottom: 14px; }
.tool-group-label .icon { font-size: 15px; color: var(--d-accent); }
.tool-chips { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; }
.tool-chips li { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--d-ink-2); background: rgba(234,241,244,0.04); border: 1px solid var(--d-line); padding: 8px 15px; border-radius: 100px; transition: border-color 0.2s, color 0.2s, transform 0.2s, background 0.2s; }
.tool-chips li:hover { border-color: var(--d-accent); color: var(--d-ink); transform: translateY(-1px); }
.tool-chips .icon { font-size: 15px; color: var(--d-muted); transition: color 0.2s; }
.tool-chips li:hover .icon { color: var(--d-accent); }
.tool-chips li.no-mark::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--d-muted); flex: none; }
.tool-group-ai .tool-chips li { background: rgba(47,199,176,0.08); border-color: rgba(47,199,176,0.22); color: var(--d-accent-2); }
.tool-group-ai .tool-chips .icon { color: var(--d-accent-2); }

/* ─────────────── Studio / About ─────────────── */
.studio-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: center; }
.studio-photos { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.studio-photos figure { border-radius: 16px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.studio-photos figure:first-child { grid-row: span 2; }
.studio-photos-single { display: block; }
.studio-photos-single figure { aspect-ratio: 4/3; }
.studio-photos img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s cubic-bezier(0.16,1,0.3,1); }
.studio-photos figure:hover img { transform: scale(1.05); }
.studio-text h2 { font-size: clamp(30px, 4vw, 48px); font-weight: 300; margin-bottom: 24px; }
.studio-text p { font-size: 16px; color: var(--ink-2); line-height: 1.75; margin-bottom: 18px; }
.triad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 34px; padding-top: 34px; border-top: 1px solid var(--line); }
.triad-item .ico { width: 42px; height: 42px; border-radius: 11px; background: var(--accent-soft); color: var(--accent-dark); display: flex; align-items: center; justify-content: center; font-size: 19px; margin-bottom: 12px; }
.triad-item .ttl { font-size: 14px; font-weight: 600; color: var(--ink); margin-bottom: 3px; }
.triad-item .sub { font-size: 12px; color: var(--muted); }

/* ─────────────── Timeline ─────────────── */
.timeline { margin-top: 64px; max-width: 820px; }
.t-item { display: grid; grid-template-columns: 190px 1fr; gap: 32px; padding: 30px 0; border-top: 1px solid var(--line); }
.t-item:first-child { border-top: 0; padding-top: 0; }
.t-when { font-family: var(--mono); font-size: 12px; font-weight: 500; color: var(--accent-dark); letter-spacing: 0.04em; padding-top: 4px; }
.t-what h3 { display: flex; align-items: center; gap: 9px; font-size: 20px; margin-bottom: 8px; }
.t-what h3 .icon { font-size: 18px; color: var(--accent); flex: none; }
.t-what p { color: var(--ink-2); font-size: 15px; line-height: 1.65; }

/* ─────────────── Contact (dark) ─────────────── */
.contact { text-align: center; }
.contact h2 { font-size: clamp(44px, 8vw, 108px); font-weight: 300; letter-spacing: -0.04em; margin: 22px 0 20px; }
.contact .section-sub { margin: 0 auto 44px; text-align: center; }
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; max-width: 640px; margin: 0 auto; }
.contact-card {
  display: flex; flex-direction: column; align-items: flex-start; text-align: left;
  border: 1px solid var(--d-line); border-radius: 16px; padding: 28px 26px; color: var(--d-ink);
  transition: border-color 0.3s, background 0.3s, transform 0.3s;
}
.contact-card:hover { border-color: var(--d-accent); background: rgba(47,199,176,0.05); transform: translateY(-4px); }
.contact-card .c-ico { font-size: 24px; color: var(--d-accent); margin-bottom: 16px; }
.contact-card .c-val { font-family: var(--display); font-size: 21px; }
.contact-card .c-sub { font-size: 12.5px; color: var(--d-muted); margin-top: 6px; }
.contact-meta { display: inline-flex; align-items: center; gap: 7px; margin-top: 40px; color: var(--d-muted); font-size: 13.5px; }
.contact-meta .icon { color: var(--d-accent); }

/* ─────────────── Lightbox ─────────────── */
.lightbox { position: fixed; inset: 0; z-index: 300; background: rgba(8,19,30,0.94); display: none; align-items: center; justify-content: center; padding: 40px; }
.lightbox.open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 88vh; border-radius: 10px; }
.lightbox-close { position: absolute; top: 24px; right: 30px; background: none; border: 0; color: #fff; font-size: 34px; cursor: pointer; line-height: 1; }

/* ─────────────── Reveal ─────────────── */
.reveal { opacity: 0; transform: translateY(46px); transition: opacity 1s cubic-bezier(0.16,1,0.3,1), transform 1s cubic-bezier(0.16,1,0.3,1); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * , *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .tilt { transform: none !important; }
  .marquee { overflow-x: auto; }
  .marquee-track { animation: none !important; }
  .marquee-track[aria-hidden="true"] { display: none; }
}

/* ─────────────── Responsive ─────────────── */
@media (max-width: 980px) {
  .container { padding: 0 28px; }
  .case, .case:nth-child(even) { grid-template-columns: 1fr; }
  .case:nth-child(even) .case-visual { order: 0; }
  .case-visual { border-left: 0 !important; border-right: 0 !important; border-bottom: 1px solid var(--d-line); order: -1; }
  .showcase { grid-template-columns: 1fr; gap: 36px; }
  .platform-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .cap-grid { grid-template-columns: 1fr; }
  .tool-stack { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .studio-grid { grid-template-columns: 1fr; gap: 40px; }
  .studio-photos-single figure { aspect-ratio: 16/10; }
  .t-item { grid-template-columns: 1fr; gap: 8px; }
}

@media (max-width: 720px) {
  .brand-name { display: none; }
  .site-nav {
    position: fixed; top: 72px; left: 0; right: 0; background: #fff;
    border-bottom: 1px solid var(--line); flex-direction: column; align-items: flex-start;
    gap: 0; padding: 8px 28px 18px; display: none; box-shadow: var(--shadow-lg);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 14px 0; font-size: 13px; width: 100%; letter-spacing: 0.16em; }
  .site-nav a::after { display: none; }
  .nav-toggle { display: flex; }
  .hero { padding: 128px 0 64px; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 30px 16px; margin-top: 52px; }
  .section, .section-dark { padding: 76px 0; }
  .case-body, .cap { padding: 32px 26px; }
  .case-points div { grid-template-columns: 1fr; gap: 3px; }
  .showcase-stats { gap: 28px; }
  .contact-grid { grid-template-columns: 1fr; }
  .logo-mark { height: 58px; padding: 0 14px; font-size: 17px; }
  .logo-mark img { max-height: 26px; }
  .logos-brands { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .logos-brands .logo-mark { height: 64px; }
}

@media (max-width: 480px) {
  .container { padding: 0 20px; }
  .gallery { grid-template-columns: 1fr 1fr; gap: 12px; }
  .process-grid { grid-template-columns: 1fr; }
  .studio-photos { grid-template-columns: 1fr; }
  .studio-photos figure:first-child { grid-row: auto; }
}