/* ==================================================================
   XCoherence — "Aurora Light" Design System
   Premium light theme: white surfaces, high-contrast ink text,
   violet accent + gold CTA, soft pastel aurora. Dynamic but readable.
   ================================================================== */

/* ===================  Design Tokens  =================== */
:root {
  /* Base — soft off-white, never flat */
  --bg:            #f6f5fb;
  --bg-2:          #eeecf8;
  --surface:       #ffffff;
  --surface-2:     #faf9ff;
  --surface-3:     #f2f0fb;
  --border:        rgba(23, 20, 46, 0.10);
  --border-strong: rgba(23, 20, 46, 0.18);

  /* Aurora spectrum (used as accents / orbs) */
  --indigo:        #4f46e5;
  --violet:        #7c3aed;
  --violet-2:      #6d28d9;
  --teal:          #0d9488;
  --sky:           #2563eb;

  /* Accent (text/links/active) = violet. CTA fill = gold. */
  --accent:        #6d28d9;
  --accent-soft:   rgba(109, 40, 217, 0.10);
  --gold:          #f3c15a;
  --gold-strong:   #e6a92f;
  --ink-on-gold:   #2a1c05;

  /* Text — high contrast */
  --text:          #17142e;
  --text-muted:    #524d70;
  --text-dim:      #8b86a3;

  /* Category accents */
  --cat-healthcare: #0d9488;
  --cat-ai:         #7c3aed;
  --cat-content:    #d97706;
  --cat-saas:       #2563eb;
  --cat-wellness:   #16a34a;
  --cat-devtools:   #db2777;

  --font-display: 'Space Grotesk', ui-sans-serif, system-ui, sans-serif;
  --font-body:    'Manrope', ui-sans-serif, system-ui, -apple-system, sans-serif;

  --fs-xs:   0.78rem;
  --fs-sm:   0.9rem;
  --fs-base: 1rem;
  --fs-lg:   1.15rem;
  --fs-xl:   clamp(1.3rem, 1.1rem + 0.9vw, 1.75rem);
  --fs-2xl:  clamp(1.8rem, 1.3rem + 2vw, 2.75rem);
  --fs-3xl:  clamp(2.4rem, 1.6rem + 3.4vw, 4rem);
  --fs-hero: clamp(2.7rem, 1.5rem + 5vw, 5.8rem);

  --sp-4: 1rem; --sp-6: 1.5rem; --sp-8: 2rem;

  --r-sm: 10px; --r-md: 16px; --r-lg: 24px; --r-xl: 32px; --r-pill: 999px;

  --container: 1240px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm:   0 2px 10px -4px rgba(23, 20, 46, 0.14);
  --shadow-md:   0 18px 40px -20px rgba(23, 20, 46, 0.28);
  --shadow-lift: 0 30px 70px -28px rgba(76, 40, 130, 0.45);
  --shadow-gold: 0 14px 34px -14px rgba(230, 169, 47, 0.6);
}

/* ===================  Reset & Base  =================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; scroll-behavior: smooth; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Soft light aurora fallback (behind WebGL). Pastel, keeps text readable. */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(55% 50% at 15% 8%, rgba(124, 58, 237, 0.16), transparent 60%),
    radial-gradient(50% 50% at 88% 12%, rgba(37, 99, 235, 0.14), transparent 62%),
    radial-gradient(55% 55% at 80% 92%, rgba(13, 148, 136, 0.12), transparent 60%),
    radial-gradient(50% 50% at 20% 90%, rgba(243, 193, 90, 0.12), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
}

#aurora-canvas {
  position: fixed; inset: 0; z-index: -1; width: 100%; height: 100%;
  pointer-events: none; opacity: 0.9;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
::selection { background: var(--accent); color: #fff; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.06; letter-spacing: -0.02em; color: var(--text); }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2.5rem); }

.skip-link { position: absolute; top: -60px; left: 1rem; z-index: 200; background: var(--accent); color: #fff; padding: 0.6rem 1rem; border-radius: var(--r-sm); font-weight: 700; transition: top 0.2s; }
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* ===================  Shared bits  =================== */
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-body); font-size: var(--fs-xs); font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent);
}
.eyebrow::before { content: ''; width: 26px; height: 1px; background: var(--accent); opacity: 0.55; }

.gradient-text {
  background: linear-gradient(100deg, var(--sky), var(--violet) 55%, var(--teal));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
}

.section { padding-block: clamp(4.5rem, 9vw, 8.5rem); position: relative; }
.section-head { max-width: 44ch; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head h2 { font-size: var(--fs-3xl); margin-top: 0.9rem; }
.section-head p { color: var(--text-muted); font-size: var(--fs-lg); margin-top: 1rem; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55rem;
  font-weight: 700; font-size: var(--fs-sm); letter-spacing: 0.01em;
  padding: 0.95rem 1.6rem; border-radius: var(--r-pill);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s, border-color 0.25s;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: linear-gradient(180deg, var(--gold), var(--gold-strong)); color: var(--ink-on-gold); box-shadow: var(--shadow-gold); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 42px -12px rgba(230, 169, 47, 0.7); }
.btn-primary:active { transform: translateY(0) scale(0.985); }
.btn-ghost { background: var(--surface); border: 1px solid var(--border-strong); color: var(--text); box-shadow: var(--shadow-sm); }
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--accent); color: var(--accent); }
.btn-ghost:active { transform: translateY(0) scale(0.985); }

/* Glass card (light) */
.glass {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  box-shadow: var(--shadow-md);
}

/* ===================  Header / Nav  =================== */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; transition: background 0.3s, backdrop-filter 0.3s, border-color 0.3s, box-shadow 0.3s; border-bottom: 1px solid transparent; }
.header.scrolled {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom-color: var(--border);
  box-shadow: 0 8px 30px -20px rgba(23, 20, 46, 0.35);
}
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 72px; max-width: var(--container); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2.5rem); }
.logo { display: flex; align-items: center; gap: 0.6rem; font-family: var(--font-display); font-weight: 700; font-size: 1.28rem; letter-spacing: -0.02em; color: var(--text); }
.logo-mark { width: 30px; height: 30px; border-radius: 9px; flex: none; background: conic-gradient(from 140deg, var(--sky), var(--violet), var(--gold), var(--teal), var(--sky)); box-shadow: 0 6px 18px -6px rgba(124, 58, 237, 0.6); }
.logo b { color: var(--accent); font-weight: 700; }

.nav-menu { display: flex; align-items: center; gap: 0.4rem; list-style: none; }
.nav-link { font-size: var(--fs-sm); font-weight: 600; color: var(--text-muted); padding: 0.55rem 0.9rem; border-radius: var(--r-pill); transition: color 0.2s, background 0.2s; }
.nav-link:hover, .nav-link.active { color: var(--accent); background: var(--accent-soft); }
.nav-menu .btn { margin-left: 0.6rem; padding: 0.7rem 1.3rem; }

.menu-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 4px auto; border-radius: 2px; transition: 0.3s var(--ease); }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.scroll-progress { position: absolute; bottom: 0; left: 0; height: 2px; width: 0; background: linear-gradient(90deg, var(--sky), var(--violet), var(--gold)); }

/* ===================  Hero  =================== */
.hero { position: relative; min-height: 100dvh; display: flex; align-items: center; padding-top: 88px; padding-bottom: 3rem; overflow: hidden; }
#hero-particles { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-inner { position: relative; z-index: 2; max-width: 66rem; }
.hero-eyebrow { margin-bottom: 1.6rem; }
.hero h1 { font-size: var(--fs-hero); letter-spacing: -0.035em; }
.hero h1 .line { display: block; }
.hero-sub { margin-top: 1.8rem; max-width: 40ch; font-size: clamp(1.05rem, 0.95rem + 0.5vw, 1.35rem); color: var(--text-muted); line-height: 1.55; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2.4rem; }

/* Metric bar */
.metrics { position: relative; z-index: 2; margin-top: clamp(3rem, 6vw, 5rem); }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.metric { background: var(--surface); padding: 1.7rem clamp(1rem, 2vw, 1.9rem); }
.metric-num { font-family: var(--font-display); font-size: clamp(1.9rem, 1.2rem + 2.4vw, 3rem); font-weight: 700; color: var(--accent); letter-spacing: -0.03em; line-height: 1; }
.metric-label { margin-top: 0.6rem; font-size: var(--fs-sm); color: var(--text-muted); }

/* ===================  Trust line  =================== */
.trust { text-align: center; padding-block: clamp(3rem, 6vw, 4.5rem); }
.trust p { font-size: clamp(1.2rem, 0.9rem + 1.4vw, 2rem); font-family: var(--font-display); font-weight: 600; letter-spacing: -0.02em; max-width: 24ch; margin-inline: auto; line-height: 1.25; color: var(--text); }
.trust .domains { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.7rem; margin-top: 2rem; }
.domain { font-size: var(--fs-sm); color: var(--text-muted); padding: 0.5rem 1.1rem; border: 1px solid var(--border); border-radius: var(--r-pill); background: var(--surface); box-shadow: var(--shadow-sm); }

/* ===================  Flagship  =================== */
.flagship-list { display: grid; gap: clamp(1.2rem, 3vw, 2rem); }
.flagship { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; padding: clamp(1.6rem, 3vw, 3rem); border-radius: var(--r-xl); transition: box-shadow 0.35s var(--ease), transform 0.35s var(--ease); }
.flagship:hover { box-shadow: var(--shadow-lift); transform: translateY(-4px); }
.flagship:nth-child(even) { grid-template-columns: 1fr 1.05fr; }
.flagship:nth-child(even) .flagship-visual { order: -1; }
.flagship-index { font-family: var(--font-display); font-size: var(--fs-sm); color: var(--accent); letter-spacing: 0.06em; font-weight: 600; }
.flagship h3 { font-size: var(--fs-2xl); margin: 0.7rem 0 0.4rem; }
.flagship .tag { color: var(--text-muted); font-size: var(--fs-lg); }
.flagship .desc { color: var(--text-muted); margin-top: 1.1rem; max-width: 46ch; }
.flagship-metrics { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.5rem; }
.flagship-metrics span { font-size: var(--fs-xs); font-weight: 700; color: var(--text); padding: 0.4rem 0.85rem; border-radius: var(--r-pill); background: var(--surface-3); border: 1px solid var(--border); }
.flagship-cta { margin-top: 1.6rem; display: inline-flex; align-items: center; gap: 0.5rem; color: var(--accent); font-weight: 700; font-size: var(--fs-sm); }
.flagship-cta svg { width: 16px; height: 16px; transition: transform 0.25s var(--ease); }
.flagship:hover .flagship-cta svg { transform: translateX(4px); }

.flagship-visual {
  position: relative; aspect-ratio: 4 / 3; border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--border-strong);
  background: radial-gradient(120% 120% at 18% 8%, rgba(124, 58, 237, 0.5), transparent 55%),
              radial-gradient(120% 120% at 92% 92%, rgba(13, 148, 136, 0.42), transparent 55%),
              linear-gradient(160deg, #efe9ff, #e6f6f3);
  display: grid; place-items: center;
}
.flagship-visual .glyph { font-family: var(--font-display); font-size: clamp(3rem, 8vw, 6rem); font-weight: 700; color: rgba(76, 40, 130, 0.35); }
.flagship-visual .orb { position: absolute; border-radius: 50%; filter: blur(34px); opacity: 0.55; }
.flagship-visual .orb.a { width: 46%; aspect-ratio: 1; background: var(--violet); top: -10%; left: -8%; }
.flagship-visual .orb.b { width: 42%; aspect-ratio: 1; background: var(--teal); bottom: -12%; right: -6%; }
.flagship-visual .ring { position: absolute; inset: 12%; border: 1px solid rgba(76, 40, 130, 0.18); border-radius: 50%; }
.flagship-visual .ring:nth-of-type(2) { inset: 24%; }

/* ===================  Solutions grid  =================== */
.solutions-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 1.5rem; max-width: none; }
.filters { margin-block: 2rem 2.5rem; display: grid; gap: 1.2rem; }
.search-wrapper { position: relative; max-width: 420px; }
.search-input { width: 100%; padding: 0.85rem 2.6rem 0.85rem 2.8rem; border-radius: var(--r-pill); background: var(--surface); border: 1px solid var(--border); color: var(--text); font-size: var(--fs-sm); box-shadow: var(--shadow-sm); transition: border-color 0.2s, box-shadow 0.2s; }
.search-input::placeholder { color: var(--text-dim); }
.search-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search-icon { position: absolute; left: 1rem; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--text-dim); pointer-events: none; }
.search-clear { position: absolute; right: 0.8rem; top: 50%; transform: translateY(-50%); width: 26px; height: 26px; border-radius: 50%; display: none; place-items: center; background: var(--surface-3); color: var(--text-muted); }
.search-clear.visible { display: grid; }
.search-clear svg { width: 14px; height: 14px; }

.filter-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.filter-chip { display: inline-flex; align-items: center; gap: 0.45rem; font-size: var(--fs-sm); font-weight: 600; color: var(--text-muted); padding: 0.5rem 1rem; border-radius: var(--r-pill); border: 1px solid var(--border); background: var(--surface); transition: color 0.2s, border-color 0.2s, background 0.2s; }
.filter-chip:hover { color: var(--text); border-color: var(--border-strong); }
.filter-chip.active { color: #fff; background: var(--accent); border-color: var(--accent); box-shadow: 0 8px 20px -10px rgba(109, 40, 217, 0.6); }
.chip-count { font-size: 0.72rem; opacity: 0.65; }
.filter-chip.active .chip-count { opacity: 0.9; }
.filter-status { display: flex; align-items: center; gap: 1rem; font-size: var(--fs-sm); color: var(--text-dim); }
.clear-filters { color: var(--accent); font-weight: 600; font-size: var(--fs-sm); text-decoration: underline; text-underline-offset: 3px; }

.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.1rem; }
.project-card { position: relative; padding: 1.5rem; border-radius: var(--r-md); cursor: pointer; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s; transform-style: preserve-3d; will-change: transform; opacity: 0; animation: cardIn 0.5s var(--ease) forwards; }
@keyframes cardIn { to { opacity: 1; } }
.project-card:hover { border-color: color-mix(in srgb, var(--category-color, var(--violet)) 55%, var(--border)); box-shadow: var(--shadow-md); }
.project-card-meta { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.9rem; }
.project-cat-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--category-color); flex: none; }
.project-cat-name { font-size: var(--fs-xs); font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--category-color); }
.project-size-badge { margin-left: auto; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); border: 1px solid var(--border); padding: 0.15rem 0.5rem; border-radius: var(--r-pill); }
.project-name { font-size: 1.3rem; }
.project-tagline { color: var(--text-muted); font-size: var(--fs-sm); margin-top: 0.4rem; line-height: 1.5; }
.project-tech { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 1.1rem; }
.tech-tag { font-size: 0.72rem; color: var(--text-muted); padding: 0.25rem 0.6rem; border-radius: var(--r-sm); background: var(--surface-3); }
.view-details { display: flex; align-items: center; gap: 0.4rem; margin-top: 1.2rem; font-size: var(--fs-sm); font-weight: 700; color: var(--accent); }
.view-details svg { width: 16px; height: 16px; transition: transform 0.25s var(--ease); }
.project-card:hover .view-details svg { transform: translateX(4px); }

.no-results { text-align: center; padding: 4rem 1rem; color: var(--text-muted); }
.no-results svg { width: 46px; height: 46px; margin-inline: auto; margin-bottom: 1rem; color: var(--text-dim); }

/* ===================  Capabilities  =================== */
.cap-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.cap { background: var(--surface); padding: clamp(1.6rem, 3vw, 2.6rem); transition: background 0.3s; }
.cap:hover { background: var(--surface-2); }
.cap-num { font-family: var(--font-display); font-size: var(--fs-sm); color: var(--accent); font-weight: 600; }
.cap h3 { font-size: var(--fs-xl); margin: 0.9rem 0 0.6rem; }
.cap p { color: var(--text-muted); max-width: 42ch; }

/* ===================  CTA band  =================== */
.cta-band { text-align: center; }
.cta-inner { padding: clamp(2.5rem, 6vw, 5rem) clamp(1.5rem, 4vw, 3rem); border-radius: var(--r-xl); position: relative; overflow: hidden; }
.cta-inner::before { content: ''; position: absolute; inset: 0; z-index: -1; background: radial-gradient(80% 120% at 50% 0%, rgba(124, 58, 237, 0.18), transparent 60%), radial-gradient(80% 120% at 50% 120%, rgba(13, 148, 136, 0.16), transparent 60%); }
.cta-band h2 { font-size: var(--fs-3xl); max-width: 20ch; margin-inline: auto; }
.cta-band p { color: var(--text-muted); font-size: var(--fs-lg); margin: 1.2rem auto 2.2rem; max-width: 46ch; }

/* ===================  Contact  =================== */
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.contact-info { display: grid; gap: 1.4rem; align-content: start; }
.contact-item { display: flex; gap: 1rem; align-items: flex-start; }
.contact-icon { width: 42px; height: 42px; flex: none; border-radius: 12px; display: grid; place-items: center; background: var(--accent-soft); border: 1px solid var(--border); color: var(--accent); }
.contact-icon svg { width: 20px; height: 20px; }
.contact-label { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); }
.contact-value { font-weight: 600; font-size: var(--fs-lg); color: var(--text); }
a.contact-value:hover { color: var(--accent); }

.contact-form { padding: clamp(1.6rem, 3vw, 2.4rem); border-radius: var(--r-lg); display: grid; gap: 1.1rem; }
.form-group { display: grid; gap: 0.4rem; }
.form-label { font-size: var(--fs-sm); font-weight: 600; color: var(--text-muted); }
.form-input { width: 100%; padding: 0.85rem 1rem; border-radius: var(--r-sm); font-size: var(--fs-sm); background: var(--surface); border: 1px solid var(--border); color: var(--text); font-family: inherit; transition: border-color 0.2s, box-shadow 0.2s; }
.form-input::placeholder { color: var(--text-dim); }
.form-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-error { font-size: var(--fs-xs); color: #c0263a; min-height: 1em; }
.form-submit { width: 100%; margin-top: 0.4rem; }
.form-message { font-size: var(--fs-sm); padding: 0.8rem 1rem; border-radius: var(--r-sm); display: none; }
.form-message.success { display: block; background: rgba(13, 148, 136, 0.1); border: 1px solid rgba(13, 148, 136, 0.4); color: #0b6b62; }
.form-message.error { display: block; background: rgba(192, 38, 58, 0.08); border: 1px solid rgba(192, 38, 58, 0.35); color: #c0263a; }

/* ===================  Footer  =================== */
.footer { border-top: 1px solid var(--border); padding-block: clamp(3rem, 6vw, 4.5rem) 2rem; margin-top: 3rem; background: var(--surface); }
.footer-content { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 2rem; }
.footer-logo { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; color: var(--text); }
.footer-logo b { color: var(--accent); }
.footer-tagline { color: var(--text-muted); font-size: var(--fs-sm); margin-top: 0.6rem; max-width: 30ch; }
.footer-heading { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-dim); margin-bottom: 1rem; }
.footer-list { list-style: none; display: grid; gap: 0.6rem; }
.footer-list a, .footer-list li { color: var(--text-muted); font-size: var(--fs-sm); transition: color 0.2s; }
.footer-list a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-top: 3rem; padding-top: 1.6rem; border-top: 1px solid var(--border); color: var(--text-dim); font-size: var(--fs-sm); }
.easter-egg { cursor: pointer; opacity: 0.5; transition: opacity 0.3s, transform 0.3s; color: var(--accent); }
.easter-egg:hover { opacity: 1; transform: scale(1.2) rotate(15deg); }

/* ===================  Modal  =================== */
.modal { position: fixed; inset: 0; z-index: 150; display: none; align-items: center; justify-content: center; padding: 1.2rem; }
.modal.open { display: flex; }
.modal-overlay { position: absolute; inset: 0; background: rgba(23, 20, 46, 0.4); backdrop-filter: blur(6px); }
.modal-content { position: relative; z-index: 1; width: min(760px, 100%); max-height: 88vh; overflow-y: auto; border-radius: var(--r-lg); padding: clamp(1.5rem, 4vw, 2.6rem); background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-lift); animation: modalIn 0.4s var(--ease); }
@keyframes modalIn { from { opacity: 0; transform: translateY(20px) scale(0.98); } }
.modal-close { position: absolute; top: 1.1rem; right: 1.1rem; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: var(--surface-3); border: 1px solid var(--border); color: var(--text); }
.modal-close:hover { background: var(--accent-soft); color: var(--accent); }
.modal-close svg { width: 18px; height: 18px; }
.modal-body h2 { font-size: var(--fs-2xl); }
.modal-section { margin-top: 1.6rem; }
.modal-section h4 { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); margin-bottom: 0.6rem; }
.modal-section p { color: var(--text-muted); }
.modal-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.modal-chip { font-size: var(--fs-xs); padding: 0.35rem 0.75rem; border-radius: var(--r-pill); background: var(--surface-3); border: 1px solid var(--border); color: var(--text-muted); }
.modal-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0.5rem; list-style: none; }
.modal-features li { font-size: var(--fs-sm); color: var(--text-muted); padding: 0.5rem 0.7rem; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-sm); }
.modal-features li::before { content: '✓'; color: var(--teal); margin-right: 0.5rem; font-weight: 700; }
.modal-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 1rem; margin-top: 0.8rem; }
.modal-metric { text-align: center; padding: 1rem 0.6rem; border-radius: var(--r-sm); background: var(--surface-2); border: 1px solid var(--border); }
.modal-metric b { display: block; font-family: var(--font-display); font-size: 1.15rem; color: var(--accent); }

/* ===================  Loading screen  =================== */
.loading-screen { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; background: var(--bg); transition: opacity 0.6s, visibility 0.6s; }
.loading-screen.loaded { opacity: 0; visibility: hidden; }
.loading-mark { width: 54px; height: 54px; border-radius: 15px; background: conic-gradient(from 140deg, var(--sky), var(--violet), var(--gold), var(--teal), var(--sky)); animation: spin 1.4s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-text { margin-top: 1.2rem; color: var(--text-muted); font-size: var(--fs-sm); letter-spacing: 0.1em; text-transform: uppercase; font-weight: 700; }
.loading-content { text-align: center; }

/* ===================  Reveal  =================== */
[data-reveal] { opacity: 0; transform: translateY(30px); }

/* ===================  Responsive  =================== */
@media (max-width: 960px) {
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .flagship, .flagship:nth-child(even) { grid-template-columns: 1fr; }
  .flagship:nth-child(even) .flagship-visual { order: 0; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr 1fr; }
  .cap-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .menu-toggle { display: block; }
  .nav-menu { position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0.3rem; padding: 1.2rem clamp(1.1rem, 4vw, 2.5rem) 1.8rem; background: rgba(255, 255, 255, 0.97); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border); box-shadow: var(--shadow-md); transform: translateY(-120%); transition: transform 0.4s var(--ease); visibility: hidden; }
  .nav-menu.open { transform: translateY(0); visibility: visible; }
  .nav-menu .nav-link { padding: 0.85rem 1rem; }
  .nav-menu .btn { margin: 0.5rem 0 0; }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .footer-content { grid-template-columns: 1fr; gap: 1.6rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section-head { margin-bottom: 2rem; }
}

/* ===================  Reduced motion  =================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  #aurora-canvas, #hero-particles { display: none; }
  [data-reveal] { opacity: 1; transform: none; }
  .project-card { opacity: 1; animation: none; }
}
@media (prefers-reduced-transparency: reduce) {
  .glass, .header.scrolled, .nav-menu, .modal-overlay { backdrop-filter: none; -webkit-backdrop-filter: none; }
  .glass { background: var(--surface); }
}

/* ==================================================================
   Studio content sections (services, benefits, industries, scale,
   stack, process) — reuses the Aurora Light tokens above.
   ================================================================== */

/* Services */
.svc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.1rem; }
.svc { position: relative; padding: 1.8rem; border-radius: var(--r-md); background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s; transform-style: preserve-3d; will-change: transform; }
.svc:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); box-shadow: var(--shadow-md); }
.svc-num { font-family: var(--font-display); font-size: var(--fs-sm); color: var(--accent); font-weight: 600; }
.svc h3 { font-size: var(--fs-xl); margin: 0.9rem 0 0.5rem; }
.svc p { color: var(--text-muted); }

/* Benefits (hairline grid) */
.benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.benefit { background: var(--surface); padding: clamp(1.5rem, 3vw, 2.2rem); transition: background 0.3s; }
.benefit:hover { background: var(--surface-2); }
.benefit h3 { font-size: var(--fs-lg); margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.55rem; }
.benefit h3::before { content: ''; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); flex: none; }
.benefit p { color: var(--text-muted); font-size: var(--fs-sm); }

/* Tag cloud (industries / stack) */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 0.6rem; }

/* Scale */
.scale { display: grid; grid-template-columns: auto 1fr; gap: clamp(1.5rem, 5vw, 4rem); align-items: center; }
.scale-stat { font-family: var(--font-display); font-size: clamp(3.4rem, 2rem + 6vw, 7rem); font-weight: 700; color: var(--accent); letter-spacing: -0.04em; line-height: 0.9; }
.scale-stat small { display: block; font-family: var(--font-body); font-size: var(--fs-sm); color: var(--text-muted); font-weight: 600; letter-spacing: 0; margin-top: 0.8rem; }
.scale-body { font-size: var(--fs-lg); color: var(--text-muted); max-width: 44ch; }

/* Process timeline */
.process { display: grid; gap: 0; }
.step { display: grid; grid-template-columns: 170px 1fr; gap: 1.4rem; padding: 1.7rem 0; border-top: 1px solid var(--border); }
.step:first-child { border-top: none; }
.step-when { font-family: var(--font-display); font-weight: 600; color: var(--accent); font-size: var(--fs-sm); padding-top: 0.25rem; }
.step h3 { font-size: var(--fs-xl); margin-bottom: 0.4rem; }
.step p { color: var(--text-muted); max-width: 60ch; }

@media (max-width: 960px) { .benefit-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 720px) {
  .benefit-grid { grid-template-columns: 1fr; }
  .scale { grid-template-columns: 1fr; }
  .step { grid-template-columns: 1fr; gap: 0.35rem; }
}

/* ==================================================================
   Modern polish layer — hero visual, marquee, cursor spotlight, depth
   ================================================================== */

/* Hero: give room for the right-side visual on wide screens */
@media (min-width: 1100px) {
  .hero .hero-inner { max-width: 44rem; }
}

/* Hero visual — orbiting rings + floating capability chips */
.hero-visual {
  position: absolute; right: clamp(1rem, 5vw, 5rem); top: 46%;
  transform: translateY(-50%);
  width: min(40vw, 440px); aspect-ratio: 1; z-index: 1; pointer-events: none;
}
@media (max-width: 1099px) { .hero-visual { display: none; } }
.hv-orb {
  position: absolute; inset: 26%; border-radius: 50%;
  background: conic-gradient(from 200deg, var(--sky), var(--violet), var(--gold), var(--teal), var(--sky));
  filter: blur(14px); opacity: 0.7; animation: hvspin 18s linear infinite;
}
.hv-core {
  position: absolute; inset: 33%; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff, var(--surface-3));
  box-shadow: inset 0 2px 10px rgba(255,255,255,0.8), 0 20px 50px -20px rgba(76,40,130,0.5);
}
.hv-ring { position: absolute; inset: 12%; border: 1px solid var(--border-strong); border-radius: 50%; animation: hvspin 28s linear infinite; }
.hv-ring:nth-of-type(2) { inset: 2%; border-style: dashed; opacity: 0.6; animation-duration: 40s; animation-direction: reverse; }
.hv-ring:nth-of-type(3) { inset: 22%; }
@keyframes hvspin { to { transform: rotate(360deg); } }
.hv-chip {
  position: absolute; display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: var(--fs-sm); font-weight: 600; color: var(--text);
  padding: 0.5rem 0.95rem; border-radius: var(--r-pill);
  background: rgba(255,255,255,0.85); border: 1px solid var(--border);
  box-shadow: var(--shadow-md); backdrop-filter: blur(8px);
  animation: hvfloat 6s ease-in-out infinite;
}
.hv-chip::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.hv-chip.c1 { top: 4%; left: 2%; animation-delay: 0s; }
.hv-chip.c2 { top: 18%; right: -6%; animation-delay: -1.5s; }
.hv-chip.c3 { bottom: 20%; left: -8%; animation-delay: -3s; }
.hv-chip.c4 { bottom: 2%; right: 6%; animation-delay: -4.5s; }
@keyframes hvfloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* Cursor spotlight on service cards */
.svc::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%), var(--accent-soft), transparent 65%);
  opacity: 0; transition: opacity 0.35s;
}
.svc:hover::after { opacity: 1; }
.svc h3, .svc p, .svc-num { position: relative; z-index: 1; }
.svc-num { display: inline-block; font-size: 1.05rem; padding: 0.35rem 0.7rem; border-radius: var(--r-sm); background: var(--accent-soft); }

/* Kinetic marquee (tech stack) */
.marquee { position: relative; overflow: hidden; -webkit-mask: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); mask: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }
.marquee-track { display: flex; gap: 0.7rem; width: max-content; animation: marquee 34s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee .domain { white-space: nowrap; }

/* Slightly richer depth on the metric bar + trust chips */
.trust .domain { transition: transform 0.25s var(--ease), border-color 0.25s, color 0.25s; }
.trust .domain:hover { transform: translateY(-2px); border-color: var(--accent); color: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  .hv-orb, .hv-ring, .hv-chip, .marquee-track { animation: none !important; }
}

/* ==================================================================
   Premium imagery — work gallery + scale photo
   ================================================================== */
.work-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.work-card { position: relative; border-radius: var(--r-lg); overflow: hidden; aspect-ratio: 4/5; border: 1px solid var(--border); box-shadow: var(--shadow-md); display: block; }
.work-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease); }
.work-card:hover img { transform: scale(1.06); }
.work-card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(23,20,46,0) 32%, rgba(23,20,46,0.84)); }
.work-cap { position: absolute; left: 0; right: 0; bottom: 0; z-index: 1; padding: 1.5rem; }
.work-cap h3 { color: #fff; font-size: var(--fs-xl); }
.work-cap p { color: rgba(255,255,255,0.82); font-size: var(--fs-sm); margin-top: 0.3rem; }
@media (max-width: 860px) { .work-grid { grid-template-columns: 1fr; } .work-card { aspect-ratio: 16/10; } }

.scale { grid-template-columns: 1.05fr 1fr; }
.scale-img { border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--border-strong); box-shadow: var(--shadow-md); aspect-ratio: 4/3; }
.scale-img img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 720px) { .scale { grid-template-columns: 1fr; } }

/* ==================================================================
   Hero framed image (v2) — real photo + floating stat chips
   ================================================================== */
.hv-frame {
  position: absolute; inset: 8% 6%; border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--border-strong); box-shadow: var(--shadow-lift);
  animation: hvfloatframe 8s ease-in-out infinite;
}
.hv-frame img { width: 100%; height: 100%; object-fit: cover; }
.hv-frame::after { content: ''; position: absolute; inset: 0; background: linear-gradient(160deg, rgba(124,58,237,0.12), transparent 55%); }
@keyframes hvfloatframe { 0%,100% { transform: rotate(-4deg) translateY(0); } 50% { transform: rotate(-4deg) translateY(-10px); } }
.hero-visual .hv-chip.c1 { top: 5%; left: -6%; right: auto; bottom: auto; }
.hero-visual .hv-chip.c2 { bottom: 7%; right: -7%; top: auto; left: auto; }
@media (prefers-reduced-motion: reduce) { .hv-frame { animation: none; transform: rotate(-4deg); } }