/* pjan.ai - AIMonger-inspired dark glass landing page. Mobile-first. */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-deep: #050508;
  --bg-elev: #0b0b12;
  --bg-glass: rgba(11, 11, 18, 0.72);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-shine: rgba(255, 255, 255, 0.04);
  --fg-primary: #e8eaef;
  --fg-secondary: rgba(232, 234, 239, 0.70);
  --fg-muted: rgba(232, 234, 239, 0.40);
  --teal: #2ee6d6;
  --amber: #d97757;
  --indigo: #4630e6;
  --teal-soft: rgba(46, 230, 214, 0.08);
  --amber-soft: rgba(217, 119, 87, 0.08);
  --indigo-soft: rgba(70, 48, 230, 0.10);
  --font-display: "Inter", "SF Pro Display", "Helvetica Neue", ui-sans-serif, system-ui, sans-serif;
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "DM Mono", "SF Mono", "Cascadia Code", ui-monospace, monospace;
  --font-serif: "Newsreader", Georgia, "Times New Roman", serif;
  --h1: clamp(3.2rem, 8vw, 7rem);
  --h2: clamp(2.4rem, 5.5vw, 5.5rem);
  --h3: clamp(1.8rem, 4vw, 4rem);
  --label: clamp(1.8rem, 3.5vw, 3.2rem);
  --lead: clamp(1.05rem, 2vw, 1.3rem);
  --body: clamp(0.9rem, 1.4vw, 1.05rem);
  --sans-size: clamp(0.85rem, 1.2vw, 0.95rem);
  --gutter: clamp(1.25rem, 4.5vw, 5rem);
  --maxw: 92rem;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 0.6s;
}

html { background: var(--bg-deep); color: var(--fg-primary); font-family: var(--font-sans); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; scroll-behavior: smooth; overflow-x: clip; }
body { min-height: 100dvh; line-height: 1.55; isolation: isolate; }

/* Background field */
.field { position: fixed; inset: 0; z-index: -1; pointer-events: none; background: radial-gradient(ellipse 70% 50% at 50% -10%, var(--teal-soft), transparent 60%), radial-gradient(circle at 88% 78%, var(--amber-soft), transparent 45%), radial-gradient(circle at 12% 90%, var(--indigo-soft), transparent 40%), var(--bg-deep); }
.noise { position: fixed; inset: 0; z-index: 99; pointer-events: none; opacity: 0.022; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* Glass material */
.glass-card { background: var(--bg-glass); -webkit-backdrop-filter: blur(14px) saturate(1.8) brightness(1.06); backdrop-filter: blur(14px) saturate(1.8) brightness(1.06); border: 1px solid var(--glass-border); border-radius: 14px; box-shadow: inset 0 1px 0 var(--glass-shine), 0 24px 60px -30px rgba(0,0,0,0.7); position: relative; }
.glass-card::before { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; background: linear-gradient(135deg, var(--teal-soft), transparent 40%, var(--amber-soft)); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }

/* Topbar */
.topbar { position: fixed; top: 0; left: 0; right: 0; z-index: 50; display: flex; justify-content: space-between; align-items: center; padding: 0.9rem var(--gutter); background: var(--bg-glass); -webkit-backdrop-filter: blur(14px) saturate(1.8) brightness(1.06); backdrop-filter: blur(14px) saturate(1.8) brightness(1.06); border-bottom: 1px solid var(--glass-border); }
.brand { display: inline-flex; align-items: center; gap: 0.7rem; text-decoration: none; color: var(--fg-primary); }
.brand-mark { display: block; width: 2rem; height: 2rem; flex: none; }
.brand-text { font-family: var(--font-display); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--fg-primary); line-height: 1.2; }
.brand-text small { display: block; margin-top: 0.1rem; color: var(--fg-muted); letter-spacing: 0.14em; font-weight: 500; }
.topbar-right { display: flex; align-items: center; gap: 0.55rem; font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-muted); }
.status-dot { width: 0.45rem; height: 0.45rem; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px var(--teal-soft); }

/* Hero image - landscape src, positioned for portrait subject */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding: 7rem var(--gutter) 4rem; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: 42% 50%; }
.hero-overlay { position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(5,5,8,0.45) 0%, rgba(5,5,8,0.28) 40%, rgba(5,5,8,0.85) 100%), linear-gradient(90deg, rgba(5,5,8,0.55) 0%, transparent 50%); }
.hero-copy { position: relative; z-index: 2; max-width: 56rem; }
.hero .eyebrow { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--teal); margin-bottom: 1.5rem; }
.hero h1 { font-family: var(--font-serif); font-weight: 500; font-size: var(--h1); letter-spacing: -0.03em; line-height: 1.05; margin-bottom: 1.5rem; }
.hero-line { display: block; }
.hero-lede { max-width: 34rem; font-size: var(--lead); color: var(--fg-secondary); line-height: 1.6; }
.hero-answer { margin-top: 1.8rem; font-family: var(--font-serif); font-size: clamp(1.3rem, 2.5vw, 2.4rem); }
.hero-answer strong { color: var(--teal); font-weight: 500; }
.hero-scroll { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 0.5rem; font-family: var(--font-mono); font-size: 0.55rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--fg-muted); }
.hero-scroll i { width: 1px; height: 2rem; background: var(--teal); }

/* Sections */
.section { position: relative; padding: clamp(5rem, 10vw, 10rem) var(--gutter); }
.section-dark { background: var(--bg-elev); }
.section-inner { max-width: var(--maxw); margin: 0 auto; }

/* Section label */
.eyebrow { font-family: var(--font-mono); font-size: var(--label); letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal); margin-bottom: 1.5rem; font-weight: 500; line-height: 1.15; }
.section-dark .eyebrow { color: var(--teal); }

.content-block { max-width: 52rem; }
h2 { font-family: var(--font-serif); font-weight: 500; font-size: var(--h2); letter-spacing: -0.03em; line-height: 1.05; margin-bottom: 1.2rem; }
h3 { font-family: var(--font-serif); font-weight: 500; font-size: var(--h3); letter-spacing: -0.02em; line-height: 1.05; }
.lead { font-size: var(--lead); color: var(--fg-secondary); line-height: 1.6; max-width: 36rem; margin-top: 1.5rem; }
.body { font-size: var(--body); color: var(--fg-muted); line-height: 1.65; max-width: 36rem; margin-top: 1rem; }
.statement { margin-top: clamp(3rem, 6vw, 6rem); font-family: var(--font-serif); font-size: clamp(1.8rem, 4vw, 4rem); line-height: 1.08; max-width: 52rem; }
.statement em { color: var(--teal); font-style: normal; }
.statement-sm { font-size: clamp(1.2rem, 2.8vw, 2.8rem); }

/* Card grid - image containers adapt to orientation */
.card-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr); gap: 1.5rem; margin-top: 3rem; align-items: start; }
.glass-card-wide { overflow: hidden; }
.glass-card-img { position: relative; min-height: 18rem; aspect-ratio: 16/10; overflow: hidden; }
.glass-card-img img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; transform: scale(1.06); filter: saturate(0.85) contrast(0.96); }
.glass-card-wash { position: absolute; inset: 0; background: linear-gradient(110deg, rgba(5,5,8,0.08), transparent 40%), linear-gradient(to top, rgba(5,5,8,0.7), transparent 50%); }
.glass-card-wash-heavy { background: linear-gradient(to top, rgba(5,5,8,0.92), rgba(5,5,8,0.08) 70%), rgba(5,5,8,0.1); backdrop-filter: blur(1.5px); }
.glass-card-foot { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.2rem; border-top: 1px solid var(--glass-border); }
.card-tag { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--teal); }
.card-label { font-family: var(--font-sans); font-size: 0.82rem; color: var(--fg-secondary); }

/* Question stack */
.question-stack { display: flex; flex-direction: column; gap: 0.6rem; }
.question-stack p { padding: 0.9rem 1rem; border: 1px solid var(--glass-border); border-radius: 10px; background: var(--bg-glass); backdrop-filter: blur(8px); font-size: var(--sans-size); color: var(--fg-secondary); }

/* Evidence */
.evidence-claim { display: flex; flex-direction: column; gap: 1.5rem; }
.source-answer { padding: 1.2rem; background: var(--teal); border-radius: 12px; color: var(--bg-deep); }
.source-answer .card-tag { color: var(--bg-deep); opacity: 0.7; }
.source-answer strong { display: block; margin: 0.6rem 0 0.8rem; font-family: var(--font-serif); font-weight: 500; font-size: clamp(1.3rem, 2.5vw, 2.2rem); line-height: 1.08; }
.evidence-verify { padding: 1rem; border: 1px solid var(--glass-border); border-radius: 10px; background: var(--bg-glass); backdrop-filter: blur(8px); }
.evidence-verify span { display: block; font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--fg-muted); margin-bottom: 0.3rem; }
.evidence-verify .accent { color: var(--teal); font-size: 0.7rem; }

/* GIS horizontal scroll - images adapt to orientation */
.gis-scroll { overflow: hidden; margin-top: 3rem; }
.gis-track { display: flex; gap: 1.2rem; width: max-content; }
.gis-card { position: relative; width: min(72vw, 52rem); min-height: 16rem; aspect-ratio: 16/9; overflow: hidden; border-radius: 14px; flex: none; border: 1px solid var(--glass-border); }
.gis-card img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 40%; display: block; }
.gis-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(5,5,8,0.75), transparent 55%); }
.gis-card figcaption { position: absolute; left: 1.2rem; bottom: 1.2rem; z-index: 2; color: white; font-family: var(--font-serif); font-size: clamp(1.2rem, 2.2vw, 2rem); }
.gis-card figcaption span { display: block; font-family: var(--font-mono); font-size: 0.55rem; color: var(--teal); margin-bottom: 0.35rem; letter-spacing: 0.12em; text-transform: uppercase; }

/* Layer strip */
.layer-strip { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 1.5rem; }
.layer-strip span { padding: 0.45rem 0.7rem; border: 1px solid var(--glass-border); border-radius: 999px; font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-muted); }

/* Meaning block */
.meaning-block { margin-top: clamp(4rem, 8vw, 8rem); text-align: center; }
.old-q { color: var(--fg-muted); font-size: var(--lead); text-decoration: line-through; text-decoration-thickness: 1px; }
.meaning-block h3 { margin-top: 1rem; }
.meaning-block em { font-style: normal; color: var(--teal); }

/* Precedent */
.precedent-scroll { overflow: hidden; margin-top: 3rem; }
.precedent-cards { display: flex; gap: 1rem; width: max-content; }
.precedent-cards .glass-card { width: clamp(16rem, 24vw, 26rem); min-height: 14rem; padding: 1.5rem 1.3rem; display: flex; flex-direction: column; justify-content: space-between; }
.precedent-cards .card-label { font-family: var(--font-serif); font-size: clamp(1.3rem, 2.2vw, 2.2rem); line-height: 1.08; }
.accent-card { background: var(--teal); color: var(--bg-deep); border-color: var(--teal); }
.accent-card .card-tag { color: var(--bg-deep); opacity: 0.7; }
.accent-card .card-label { color: var(--bg-deep); }
.big-quote { margin-top: clamp(4rem, 8vw, 8rem); font-family: var(--font-serif); font-size: clamp(2rem, 5vw, 5rem); line-height: 1.03; max-width: 16ch; }
.big-quote strong { display: block; color: var(--teal); font-weight: 400; }

/* Workspace */
.workspace-rail { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.workspace-rail span { padding: 0.7rem 1rem; border: 1px solid var(--glass-border); border-radius: 10px; background: var(--bg-glass); backdrop-filter: blur(8px); font-family: var(--font-serif); font-size: 1rem; color: var(--fg-secondary); }
.workspace-rail small { display: block; margin-top: 0.2rem; font-family: var(--font-mono); font-size: 0.45rem; color: var(--teal); text-transform: uppercase; letter-spacing: 0.1em; }

/* Balance */
.balance { margin-top: 3rem; display: grid; grid-template-columns: 1fr auto 1fr; gap: clamp(1.5rem, 4vw, 4rem); align-items: center; max-width: 52rem; }
.balance-side { padding: 1.5rem 0; border-top: 1px solid var(--glass-border); }
.balance-side p { margin-top: 0.8rem; font-family: var(--font-serif); font-size: clamp(1.5rem, 2.8vw, 2.8rem); line-height: 1.13; color: var(--fg-secondary); }
.balance-divider { width: 1px; height: 5rem; background: var(--teal); position: relative; }
.balance-divider::before { content: ""; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 0.6rem; height: 0.6rem; border-radius: 50%; background: var(--amber); }

/* Principle strip */
.principle-strip { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.8rem; margin-top: 3rem; }
.principle-item { padding: 1.2rem 1rem; border: 1px solid var(--glass-border); border-radius: 12px; background: var(--bg-glass); backdrop-filter: blur(8px); font-family: var(--font-serif); font-size: clamp(1.1rem, 1.8vw, 1.8rem); line-height: 1.08; }
.principle-item span { display: block; font-family: var(--font-mono); font-size: 0.55rem; color: var(--teal); margin-bottom: 0.5rem; letter-spacing: 0.12em; }

/* Malta */
.malta-close { margin-top: 3rem; font-family: var(--font-serif); font-size: clamp(1.8rem, 4vw, 4rem); line-height: 1.08; }
.malta-close strong { color: var(--teal); font-weight: 400; }

/* Finale */
.finale { min-height: 80svh; display: grid; place-items: center; text-align: center; position: relative; overflow: hidden; }
.finale::before { content: ""; position: absolute; width: 65vw; aspect-ratio: 1; border-radius: 50%; border: 1px solid var(--glass-border); }
.finale::after { content: ""; position: absolute; width: 38vw; aspect-ratio: 1; border-radius: 50%; border: 1px solid var(--glass-border); }
.finale-inner { position: relative; z-index: 2; padding: var(--gutter); }
.finale .eyebrow { margin-bottom: 1rem; }
.finale h2 { font-family: var(--font-serif); font-size: clamp(5rem, 15vw, 15rem); letter-spacing: -0.07em; margin-bottom: 0.5rem; }
.final-line { font-family: var(--font-serif); font-size: clamp(1.4rem, 3vw, 3rem); color: var(--fg-secondary); }
.build-note { margin-top: 1.2rem; font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--fg-muted); }

/* Coming Soon - diagonal movie title, smudgy + transparent */
.coming-soon { position: absolute; left: 50%; bottom: clamp(3rem, 10vh, 8rem); z-index: 3; transform: translateX(-50%) rotate(-8deg); text-align: center; opacity: 0.82; filter: blur(0.6px); }
.coming-soon span { display: block; font-family: "Impact", "Arial Black", var(--font-sans); font-weight: 900; font-size: clamp(1.6rem, 3.8vw, 4.2rem); line-height: 1.1; color: #e8202a; text-transform: uppercase; letter-spacing: -0.02em; filter: blur(0.5px); opacity: 0.88; white-space: nowrap; }
.coming-soon span:nth-child(2) { font-size: clamp(1.2rem, 2.8vw, 3rem); }
.coming-soon span:nth-child(3) { font-size: clamp(2rem, 5vw, 5.5rem); }

/* Footer */
.footer { padding: 2rem var(--gutter); display: grid; grid-template-columns: 1fr auto auto; gap: 2rem; align-items: end; border-top: 1px solid var(--glass-border); font-size: 0.78rem; color: var(--fg-muted); }
.footer-brand span { display: block; font-weight: 600; color: var(--fg-primary); }
.footer-brand small { display: block; margin-top: 0.2rem; color: var(--fg-muted); }
.footer p { color: var(--fg-muted); }
.footer a { color: var(--teal); text-decoration: none; }
.footer nav { display: flex; gap: 1.2rem; }
.footer nav a { font-size: 0.72rem; }

/* ========= RESPONSIVE ========= */

/* Desktop */
@media (min-width: 1200px) {
  .glass-card-img { min-height: 22rem; }
  .gis-card { min-height: 20rem; }
}

/* Tablet / portrait */
@media (max-width: 900px) {
  .card-grid { grid-template-columns: 1fr; }
  .balance { grid-template-columns: 1fr; }
  .balance-divider { width: 5rem; height: 1px; margin-left: 0; }
  .principle-strip { grid-template-columns: 1fr 1fr; }
  .footer { grid-template-columns: 1fr; align-items: start; }
  .topbar-right .status-label { display: none; }
  .hero-bg img { object-position: 48% 50%; }
  .glass-card-img { aspect-ratio: 16/11; }
}

/* Phone portrait */
@media (max-width: 560px) {
  :root { --gutter: 1.15rem; --h1: clamp(2.5rem, 12vw, 4rem); --h2: clamp(2rem, 8vw, 3.5rem); --h3: clamp(1.5rem, 6vw, 2.8rem); --label: clamp(1.3rem, 5vw, 2.2rem); }
  .topbar { padding-top: 0.7rem; padding-bottom: 0.7rem; }
  .hero { padding-top: 5rem; min-height: 90svh; }
  .hero .eyebrow { font-size: 0.6rem; }
  .hero-scroll { display: none; }
  .hero-bg img { object-position: 50% 48%; }
  .glass-card-img { min-height: 14rem; aspect-ratio: 16/12; }
  .glass-card-img img { object-position: 50% 25%; }
  .gis-card { width: 85vw; min-height: 14rem; aspect-ratio: 16/10; }
  .gis-card img { object-position: 50% 35%; }
  .gis-card figcaption { font-size: 1.1rem; }
  .precedent-cards { flex-direction: column; width: 100%; }
  .precedent-cards .glass-card { width: 100%; min-height: 10rem; }
  .workspace-rail span { font-size: 0.85rem; }
  .principle-strip { grid-template-columns: 1fr; }
  .principle-item { font-size: 1.2rem; }
  .question-stack { gap: 0.45rem; }
  .question-stack p { font-size: 0.82rem; padding: 0.7rem 0.85rem; }
  .finale h2 { font-size: 20vw; }
  .coming-soon { transform: translateX(-50%) rotate(-5deg); bottom: clamp(1.5rem, 5vh, 3rem); }
  .coming-soon span { white-space: normal; font-size: clamp(1.4rem, 6vw, 2.4rem); }
  .coming-soon span:nth-child(2) { font-size: clamp(1rem, 4.5vw, 1.8rem); }
  .coming-soon span:nth-child(3) { font-size: clamp(1.8rem, 7.5vw, 3rem); }
}

/* Phone landscape - wider, shallower viewport */
@media (max-height: 500px) and (orientation: landscape) {
  .hero { min-height: 100svh; padding-top: 4rem; padding-bottom: 2rem; }
  .hero h1 { font-size: clamp(2rem, 6vw, 3.5rem); }
  .hero .eyebrow { margin-bottom: 0.8rem; font-size: 0.55rem; }
  .hero-lede { max-width: 24rem; font-size: 0.9rem; }
  .hero-answer { margin-top: 1rem; font-size: 1.2rem; }
  .hero-scroll { display: none; }
  .hero-bg img { object-position: 50% 50%; }
  .glass-card-img { min-height: 12rem; aspect-ratio: 16/9; }
  .gis-card { min-height: 12rem; aspect-ratio: 16/8; }
  .section { padding: clamp(3rem, 6vw, 5rem) var(--gutter); }
  .coming-soon { transform: translateX(-50%) rotate(-4deg); }
  .coming-soon span { font-size: clamp(1.2rem, 2.5vw, 2.2rem); }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-line, .card-grid, .gis-track, .precedent-cards { animation: none !important; transform: none !important; }
}