/* ────────────────────────────────────────────────────────────
   Sulaco Digital - elevated system
   Type: Inter Tight + JetBrains Mono
   Palette: deep indigo-black, quiet lavender accent
   ──────────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=Inter+Tight:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Backdrop */
  --ink:        oklch(14% 0.022 280);
  --ink-deep:   oklch(10% 0.018 280);
  --ink-void:   oklch(5% 0.01 280);

  /* Surface */
  --surface:    oklch(18% 0.025 280 / 0.55);
  --surface-2:  oklch(22% 0.03 280 / 0.45);
  --border:     oklch(75% 0.02 280 / 0.12);
  --border-2:   oklch(75% 0.02 280 / 0.22);

  /* Text */
  --fg:         oklch(98% 0.005 280);
  --fg-dim:     oklch(78% 0.015 280);
  --fg-mute:    oklch(58% 0.018 280);

  /* Accent (lavender, configurable hue) */
  --accent-h: 295;
  --accent:     oklch(68% 0.18 var(--accent-h));
  --accent-hi:  oklch(78% 0.16 var(--accent-h));
  --accent-lo:  oklch(52% 0.19 var(--accent-h));
  --accent-soft: oklch(68% 0.18 var(--accent-h) / 0.18);

  /* Gradient intensity - tunable via Tweaks */
  --halo-strength: 0.9;

  /* Type */
  --font-sans: 'Inter Tight', ui-sans-serif, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;

  /* Rhythm */
  --radius: 18px;
  --radius-sm: 10px;
  --radius-lg: 28px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--fg);
  background: var(--ink-void);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  letter-spacing: -0.01em;
  position: relative;
  overflow-x: hidden;
}

/* Layered atmospheric halo - no rainbow */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: var(--halo-strength);
  background:
    radial-gradient(ellipse 80% 50% at 20% 10%,
        oklch(40% 0.20 var(--accent-h) / 0.55) 0%,
        transparent 60%),
    radial-gradient(ellipse 70% 45% at 85% 25%,
        oklch(35% 0.18 calc(var(--accent-h) + 25) / 0.35) 0%,
        transparent 55%),
    radial-gradient(ellipse 120% 80% at 50% 120%,
        oklch(25% 0.14 var(--accent-h) / 0.55) 0%,
        transparent 65%);
}

body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    linear-gradient(180deg,
      oklch(10% 0.018 280 / 0.45) 0%,
      transparent 30%,
      transparent 70%,
      oklch(8% 0.015 280 / 0.8) 100%);
}

/* Subtle grain */
body > * { position: relative; z-index: 1; }

/* ── Type ── */
h1, h2, h3, h4 {
  font-family: var(--font-sans);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.02;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-hi);
  font-weight: 400;
}

/* ── Nav ── */
nav.site-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.75rem 5%;
  max-width: 1400px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-logo-mark {
  width: 22px; height: 22px;
  border-radius: 6px;
  background: conic-gradient(from 220deg,
    var(--accent-lo),
    var(--accent-hi),
    var(--accent),
    var(--accent-lo));
  position: relative;
  box-shadow: 0 0 0 1px oklch(75% 0.02 280 / 0.2),
              0 4px 20px -4px oklch(50% 0.2 var(--accent-h) / 0.4);
}
.nav-logo-mark::after {
  content: "";
  position: absolute;
  inset: 5px;
  border-radius: 3px;
  background: var(--ink-void);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-links a {
  color: var(--fg-dim);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
}

.nav-links a:hover { color: var(--fg); }
.nav-links a.active { color: var(--accent-hi); }
.nav-links a.active::before {
  content: "";
  position: absolute;
  left: -10px; top: 50%;
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--accent);
  transform: translateY(-50%);
  box-shadow: 0 0 8px var(--accent);
}

.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg);
  text-decoration: none;
  padding: 0.6rem 1.1rem;
  border-radius: 100px;
  border: 1px solid var(--border-2);
  background: oklch(25% 0.03 280 / 0.4);
  backdrop-filter: blur(10px);
  transition: all 0.2s;
  display: inline-flex; align-items: center; gap: 0.5rem;
}
.nav-cta:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--fg);
}
.nav-cta .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: ping 2s infinite;
}
@keyframes ping {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ── Glass primitives ── */
.panel {
  background: var(--surface);
  backdrop-filter: blur(24px) saturate(1.1);
  -webkit-backdrop-filter: blur(24px) saturate(1.1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  isolation: isolate;
}
.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(180deg,
    oklch(90% 0.02 280 / 0.18) 0%,
    transparent 35%,
    transparent 75%,
    oklch(90% 0.02 280 / 0.04) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1.35rem;
  border-radius: 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--fg);
  color: var(--ink-void);
  border-color: var(--fg);
}
.btn-primary:hover {
  background: var(--accent-hi);
  border-color: var(--accent-hi);
}
.btn-ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border-2);
}
.btn-ghost:hover {
  background: oklch(25% 0.03 280 / 0.5);
  border-color: var(--fg-mute);
}

/* ── Hero ── */
.hero {
  padding: 4rem 5% 7rem;
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 4rem;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
  padding: 0.4rem 0.8rem 0.4rem 0.5rem;
  background: oklch(25% 0.03 280 / 0.35);
  border: 1px solid var(--border);
  border-radius: 100px;
  margin-bottom: 1.75rem;
}
.hero-eyebrow .pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: oklch(70% 0.22 145); /* a lively green, just here */
  box-shadow: 0 0 6px oklch(70% 0.22 145);
}

.hero h1 {
  font-size: clamp(2.5rem, 5.4vw, 4.6rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 1.5rem;
}
.hero h1 .soft {
  color: var(--fg-dim);
  font-weight: 300;
  font-style: italic;
}
.hero h1 .accent {
  background: linear-gradient(120deg, var(--accent-hi), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lede {
  color: var(--fg-dim);
  font-size: 1.05rem;
  line-height: 1.5;
  max-width: 460px;
  margin-bottom: 2.25rem;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.hero-meta {
  margin-top: 2.5rem;
  display: flex;
  gap: 2rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--fg-mute);
  letter-spacing: 0.06em;
}
.hero-meta strong {
  display: block;
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 0.15rem;
}

/* ── App shots (screenshots already include device bezel) ── */
.device-shot {
  width: 280px;
  height: auto;
  display: block;
  border-radius: 44px;
  filter:
    drop-shadow(0 40px 60px oklch(20% 0.14 var(--accent-h) / 0.45))
    drop-shadow(0 10px 24px oklch(5% 0.01 280 / 0.6));
}

.hero-visuals {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

/* ── Section framing ── */
.section {
  padding: 5rem 5% 3rem;
  max-width: 1400px;
  margin: 0 auto;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2.5rem;
  gap: 2rem;
  flex-wrap: wrap;
}

.section-head h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.6rem);
  font-weight: 500;
  letter-spacing: -0.035em;
}

.section-head .mono {
  margin-bottom: 0.4rem;
  display: block;
}

.section-head .sub {
  color: var(--fg-dim);
  max-width: 360px;
  font-size: 0.95rem;
  line-height: 1.5;
}

/* ── Portfolio ── */
.portfolio-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
}

.app-card {
  padding: 0;
  overflow: hidden;
  min-height: 460px;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.app-card-media {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 120% 90% at 50% 110%,
      oklch(42% 0.20 var(--accent-h) / 0.6),
      transparent 70%),
    linear-gradient(160deg, oklch(22% 0.03 280), oklch(12% 0.02 280));
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 3rem 1.5rem 0;
  min-height: 440px;
}
.app-card-media::after {
  content: "";
  position: absolute;
  width: 340px; height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle,
    oklch(48% 0.22 var(--accent-h) / 0.5) 0%,
    transparent 65%);
  filter: blur(40px);
  left: 50%; top: 55%;
  transform: translate(-50%, -50%);
  z-index: 0;
}

/* Layered device stack inside card */
.app-card-stack {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 380px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 1;
}
.app-card-stack img {
  position: absolute;
  bottom: -60px;
  display: block;
  height: auto;
  filter: drop-shadow(0 24px 50px oklch(6% 0.02 280 / 0.65));
  transition: transform 0.4s ease;
}
.app-card-stack .shot-main {
  width: 56%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
}
.app-card-stack .shot-left {
  width: 42%;
  left: 4%;
  bottom: -30px;
  opacity: 0.75;
  z-index: 1;
  transform: rotate(-6deg);
}
.app-card-stack .shot-right {
  width: 42%;
  right: 4%;
  bottom: -30px;
  opacity: 0.75;
  z-index: 2;
  transform: rotate(6deg);
}
.app-card:hover .shot-left { transform: rotate(-9deg) translateX(-6px); }
.app-card:hover .shot-right { transform: rotate(9deg) translateX(6px); }

/* Metric strip inside card body */
.app-card-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 0.5rem 0 1.25rem;
}
.app-card-metric {
  padding: 0.9rem 0.75rem;
  border-right: 1px solid var(--border);
}
.app-card-metric:last-child { border-right: none; }
.app-card-metric .mval {
  display: block;
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 0.2rem;
}
.app-card-metric .mkey {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-mute);
}

.app-card-body {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
}

.app-card-body h3 {
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}

.app-card-body .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-hi);
  background: var(--accent-soft);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.app-card-body p {
  color: var(--fg-dim);
  line-height: 1.55;
  font-size: 0.95rem;
}

.app-card-foot {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.store-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.6rem 0.95rem;
  background: var(--ink-void);
  border: 1px solid var(--border-2);
  border-radius: 10px;
  color: var(--fg);
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  transition: all 0.2s;
}
.store-badge:hover {
  border-color: var(--fg-mute);
  transform: translateY(-1px);
}
.store-badge svg { width: 18px; height: 18px; flex-shrink: 0; }
.store-badge .sm {
  display: block;
  font-size: 0.6rem;
  color: var(--fg-mute);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: -2px;
}
.store-badge .lg {
  display: block;
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: -0.01em;
}

/* Coming Soon tile - intentional placeholder */
.teaser-card {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 460px;
  position: relative;
  overflow: hidden;
}

.teaser-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(45deg,
      transparent 0, transparent 18px,
      oklch(70% 0.02 280 / 0.04) 18px, oklch(70% 0.02 280 / 0.04) 19px);
  z-index: 0;
  pointer-events: none;
}

.teaser-card > * { position: relative; z-index: 1; }

.teaser-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-hi);
  align-self: flex-start;
}
.teaser-badge .blink {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  animation: ping 1.6s infinite;
}

.teaser-headline {
  font-size: 2.2rem;
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1;
  max-width: 12ch;
}
.teaser-headline em {
  font-style: italic;
  font-weight: 300;
  color: var(--fg-dim);
}

.teaser-hints {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--fg-mute);
}
.teaser-hints .row {
  display: flex;
  justify-content: space-between;
  padding: 0.4rem 0;
  border-bottom: 1px dashed oklch(75% 0.02 280 / 0.1);
}
.teaser-hints .row:last-child { border-bottom: none; }
.teaser-hints .key { color: var(--fg-dim); }
.teaser-hints .val { color: var(--fg); letter-spacing: 0.02em; }

/* ── Footer ── */
.site-footer {
  max-width: 1400px;
  margin: 4rem auto 0;
  padding: 5rem 5% 3rem;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 3rem;
}

.site-footer h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-mute);
  margin-bottom: 1.25rem;
  font-weight: 400;
}

.site-footer a {
  display: block;
  color: var(--fg-dim);
  text-decoration: none;
  font-size: 0.92rem;
  padding: 0.3rem 0;
  transition: color 0.2s;
}
.site-footer a:hover { color: var(--fg); }

.footer-brand {
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  margin-bottom: 0.6rem;
}
.footer-brand-sub {
  color: var(--fg-dim);
  font-size: 0.92rem;
  line-height: 1.55;
  max-width: 280px;
}

.socials {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.25rem;
}
.socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  padding: 0;
  background: oklch(25% 0.03 280 / 0.4);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--fg-dim);
  transition: all 0.2s;
}
.socials a:hover {
  border-color: var(--accent);
  color: var(--accent-hi);
  background: var(--accent-soft);
}
.socials svg { width: 16px; height: 16px; }

.footer-bottom {
  grid-column: 1 / -1;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  margin-top: 2rem;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--fg-mute);
  letter-spacing: 0.06em;
}

/* ── Responsive ── */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; gap: 3rem; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .app-card { grid-template-columns: 1fr; }
  .app-card-media { padding: 2.5rem 2rem 0; min-height: 360px; }
  .app-card-stack { min-height: 320px; }
  .site-footer { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .nav-links { display: none; }
  .site-footer { grid-template-columns: 1fr; }
  .hero { padding: 2rem 5% 4rem; }
}