/* ============================================================
   Cobalt Studio — base + design tokens
   ============================================================ */
:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 4.5rem);
  --text-hero: clamp(2.75rem, 0.8rem + 6vw, 5.5rem);

  /* Spacing (4px base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Brand palette */
  --navy: #0A1A2F;
  --navy-2: #0e223d;
  --navy-3: #122a4d;
  --cobalt: #2563EB;
  --cobalt-hover: #1d4ed8;
  --cobalt-light: #60A5FA;
  --white: #FFFFFF;
  --gray-50: #F4F6F8;
  --gray-100: #eef2f7;
  --gray-200: #dbe3ee;
  --gray-400: #93a3b8;
  --gray-500: #64748b;

  /* Semantic (dark premium theme) */
  --color-bg: var(--navy);
  --color-surface: var(--navy-2);
  --color-surface-2: var(--navy-3);
  --color-border: rgba(96, 165, 250, 0.16);
  --color-border-strong: rgba(96, 165, 250, 0.32);
  --color-text: #eaf1fb;
  --color-text-muted: #a9b8cc;
  --color-text-faint: #7c8ba3;
  --color-primary: var(--cobalt);
  --color-primary-hover: var(--cobalt-hover);
  --color-accent: var(--cobalt-light);

  /* Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-lift: 420ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 10px 30px rgba(2, 8, 20, 0.45);
  --shadow-lg: 0 24px 60px rgba(2, 8, 20, 0.55);
  --shadow-glow: 0 0 0 1px rgba(96, 165, 250, 0.18), 0 20px 60px rgba(37, 99, 235, 0.28);

  /* Content widths */
  --content-narrow: 680px;
  --content-default: 1080px;
  --content-wide: 1240px;

  /* Fonts */
  --font-display: 'Poppins', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

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

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
  hanging-punctuation: first last;
}

body {
  min-height: 100dvh;
  line-height: 1.65;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(1200px 600px at 80% -10%, rgba(37, 99, 235, 0.22), transparent 60%),
    radial-gradient(900px 500px at 0% 10%, rgba(96, 165, 250, 0.12), transparent 55%);
  background-attachment: fixed;
  overflow-x: hidden;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role='list'], ol[role='list'] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4 { text-wrap: balance; line-height: 1.12; font-family: var(--font-display); font-weight: 700; letter-spacing: -0.02em; }
p, li, figcaption { text-wrap: pretty; max-width: 72ch; }

::selection { background: rgba(37, 99, 235, 0.35); color: #fff; }

:focus-visible {
  outline: 2px solid var(--cobalt-light);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

button { cursor: pointer; background: none; border: none; }
a { color: inherit; text-decoration: none; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ============================================================
   Layout helpers
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-12));
}
.section { padding-block: clamp(var(--space-16), 8vw, var(--space-32)); position: relative; }
.eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cobalt-light);
  margin-bottom: var(--space-4);
}
.eyebrow::before {
  content: ""; width: 28px; height: 1px; background: linear-gradient(90deg, var(--cobalt), transparent);
}
.section-title {
  font-size: var(--text-2xl);
  max-width: 18ch;
}
.section-lead {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  max-width: 60ch;
  margin-top: var(--space-4);
}
.section-head { max-width: var(--content-default); margin-bottom: clamp(var(--space-10), 5vw, var(--space-16)); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  --btn-bg: var(--cobalt);
  --btn-fg: #fff;
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid transparent;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive), background var(--transition-interactive);
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(37, 99, 235, 0.45); background: var(--cobalt-hover); }
.btn:active { transform: translateY(0); }
.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--color-text);
  border-color: var(--color-border-strong);
  box-shadow: none;
}
.btn--ghost:hover { background: rgba(96, 165, 250, 0.08); border-color: var(--cobalt-light); box-shadow: none; }
.btn--lg { padding: var(--space-4) var(--space-8); font-size: var(--text-base); }
.btn .arrow { transition: transform var(--transition-interactive); }
.btn:hover .arrow { transform: translateX(3px); }

/* ============================================================
   Header / Nav
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 60;
  transition: background var(--transition-interactive), backdrop-filter var(--transition-interactive), border-color var(--transition-interactive);
  border-bottom: 1px solid transparent;
}
.site-header[data-scrolled="true"] {
  background: rgba(10, 26, 47, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--color-border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand { display: inline-flex; align-items: center; gap: var(--space-3); font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); letter-spacing: -0.02em; }
.brand-mark { width: 34px; height: 34px; flex: none; }
.brand:hover { color: var(--cobalt-light); }
.nav-links { display: flex; align-items: center; gap: clamp(var(--space-5), 3vw, var(--space-8)); }
.nav-links a {
  font-size: var(--text-sm); font-weight: 500; color: var(--color-text-muted);
  position: relative; padding-block: var(--space-2);
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--cobalt-light); transition: width var(--transition-interactive);
}
.nav-links a:hover { color: var(--color-text); }
.nav-links a:hover::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: var(--space-3); }
.nav-toggle {
  display: none; width: 44px; height: 44px; align-items: center; justify-content: center;
  border-radius: var(--radius-md); border: 1px solid var(--color-border);
}
.nav-toggle svg { width: 22px; height: 22px; }

@media (max-width: 860px) {
  .nav-links, .nav-cta .btn { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-links.is-open {
    display: flex; flex-direction: column; align-items: stretch; gap: var(--space-1);
    position: absolute; top: 72px; left: 0; right: 0;
    background: rgba(10, 26, 47, 0.96);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4) clamp(var(--space-5), 5vw, var(--space-12)) var(--space-8);
  }
  .nav-links.is-open a { padding-block: var(--space-3); }
}

/* ============================================================
   Hero
   ============================================================ */
.hero { position: relative; padding-block: clamp(var(--space-20), 9vw, var(--space-32)) clamp(var(--space-16), 7vw, var(--space-24)); overflow: hidden; }
.hero-grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(var(--space-10), 6vw, var(--space-24));
  align-items: center;
}
.hero-copy { max-width: 640px; }
.hero h1 {
  font-size: var(--text-hero);
  line-height: 1.04;
  letter-spacing: -0.03em;
}
.hero h1 .accent {
  background: linear-gradient(120deg, var(--cobalt-light), var(--cobalt) 60%, #818cf8);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub {
  margin-top: var(--space-6); font-size: var(--text-lg); color: var(--color-text-muted); max-width: 52ch;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-10); }
.hero-meta { display: flex; flex-wrap: wrap; gap: var(--space-8); margin-top: var(--space-12); color: var(--color-text-faint); font-size: var(--text-sm); }
.hero-meta span { display: inline-flex; align-items: center; gap: var(--space-2); }
.hero-meta svg { width: 16px; height: 16px; color: var(--cobalt-light); }

/* Hero geometric visual */
.hero-visual { position: relative; aspect-ratio: 1 / 1; max-width: 540px; margin-inline: auto; }
.hero-orb {
  position: absolute; border-radius: 50%;
  filter: blur(2px);
  mix-blend-mode: screen;
}
.orb-1 { width: 62%; height: 62%; left: 6%; top: 8%; background: radial-gradient(circle at 30% 30%, rgba(96,165,250,0.85), rgba(37,99,235,0.35) 55%, transparent 70%); animation: float1 9s ease-in-out infinite; }
.orb-2 { width: 46%; height: 46%; right: 4%; top: 18%; background: radial-gradient(circle at 60% 40%, rgba(129,140,248,0.7), rgba(37,99,235,0.25) 60%, transparent 72%); animation: float2 11s ease-in-out infinite; }
.orb-3 { width: 38%; height: 38%; left: 26%; bottom: 4%; background: radial-gradient(circle at 50% 50%, rgba(96,165,250,0.6), transparent 70%); animation: float3 13s ease-in-out infinite; }
.hero-rings { position: absolute; inset: 0; }
.hero-rings circle, .hero-rings path { fill: none; stroke: rgba(96,165,250,0.22); }
.hero-grid-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-chip {
  position: absolute; display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.04em;
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-full);
  background: rgba(14, 34, 61, 0.7); border: 1px solid var(--color-border-strong);
  backdrop-filter: blur(8px); box-shadow: var(--shadow-md);
}
.chip-1 { top: 6%; right: 8%; animation: float2 7s ease-in-out infinite; }
.chip-2 { bottom: 10%; left: 2%; animation: float3 8s ease-in-out infinite; }
.chip-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cobalt-light); box-shadow: 0 0 12px var(--cobalt-light); }

@keyframes float1 { 0%,100%{transform:translateY(0) translateX(0)} 50%{transform:translateY(-18px) translateX(8px)} }
@keyframes float2 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(14px)} }
@keyframes float3 { 0%,100%{transform:translateY(0) translateX(0)} 50%{transform:translateY(-10px) translateX(-12px)} }

@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 380px; margin-block-end: var(--space-8); }
}

/* ============================================================
   Services
   ============================================================ */
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6);
}
.card {
  position: relative;
  padding: clamp(var(--space-6), 3vw, var(--space-8));
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(18,42,77,0.55), rgba(14,34,61,0.4));
  border: 1px solid var(--color-border);
  transition: transform var(--transition-lift), border-color var(--transition-lift), box-shadow var(--transition-lift);
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(140deg, rgba(96,165,250,0.5), transparent 40%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity var(--transition-lift);
}
.card:hover { transform: translateY(-6px); border-color: var(--color-border-strong); box-shadow: var(--shadow-lg); }
.card:hover::before { opacity: 1; }
.card-icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  display: grid; place-items: center; margin-bottom: var(--space-5);
  background: linear-gradient(140deg, rgba(37,99,235,0.25), rgba(96,165,250,0.08));
  border: 1px solid var(--color-border-strong); color: var(--cobalt-light);
}
.card-icon svg { width: 26px; height: 26px; }
.card h3 { font-size: var(--text-lg); margin-bottom: var(--space-2); }
.card p { color: var(--color-text-muted); font-size: var(--text-base); }
.card-price {
  margin-top: var(--space-6); padding-top: var(--space-5);
  border-top: 1px dashed var(--color-border);
  display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-3);
}
.card-price .price { font-family: var(--font-display); font-weight: 700; color: var(--color-text); font-size: var(--text-base); }
.card-price .tag { font-size: var(--text-xs); color: var(--color-text-faint); text-transform: uppercase; letter-spacing: 0.1em; }

@media (max-width: 900px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .services-grid { grid-template-columns: 1fr; } }

/* ============================================================
   Why Cobalt
   ============================================================ */
.why { background: linear-gradient(180deg, transparent, rgba(37,99,235,0.05), transparent); }
.why-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(var(--space-10), 6vw, var(--space-20)); align-items: center; }
.why-perks { display: grid; gap: var(--space-4); }
.perk {
  display: flex; gap: var(--space-4); align-items: flex-start;
  padding: var(--space-5); border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: rgba(14,34,61,0.35);
  transition: border-color var(--transition-lift), transform var(--transition-lift);
}
.perk:hover { border-color: var(--color-border-strong); transform: translateX(4px); }
.perk-icon { width: 42px; height: 42px; flex: none; border-radius: var(--radius-sm); display: grid; place-items: center; background: rgba(37,99,235,0.18); color: var(--cobalt-light); }
.perk-icon svg { width: 22px; height: 22px; }
.perk h3 { font-size: var(--text-base); font-weight: 600; font-family: var(--font-body); margin-bottom: var(--space-1); }
.perk p { color: var(--color-text-muted); font-size: var(--text-sm); }
.why-visual { position: relative; aspect-ratio: 4 / 3; border-radius: var(--radius-xl); overflow: hidden; border: 1px solid var(--color-border-strong); background: linear-gradient(160deg, var(--navy-3), var(--navy)); box-shadow: var(--shadow-lg); }

@media (max-width: 880px) { .why-grid { grid-template-columns: 1fr; } }

/* ============================================================
   Process
   ============================================================ */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }
.step {
  position: relative; padding-top: var(--space-8);
}
.step-num {
  font-family: var(--font-display); font-weight: 700; font-size: var(--text-sm);
  color: var(--cobalt-light); letter-spacing: 0.1em;
}
.step-line { position: absolute; top: 4px; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--cobalt), transparent); opacity: 0.4; }
.step h3 { font-size: var(--text-lg); margin: var(--space-3) 0 var(--space-2); }
.step p { color: var(--color-text-muted); font-size: var(--text-sm); }
.step-icon { width: 38px; height: 38px; color: var(--cobalt-light); margin: var(--space-2) 0 var(--space-3); }
.step-num { display: block; margin-bottom: var(--space-3); }
@media (max-width: 860px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .process-grid { grid-template-columns: 1fr; } }

/* ============================================================
   Stats band
   ============================================================ */
.stats {
  background: linear-gradient(120deg, rgba(37,99,235,0.14), rgba(10,26,47,0) 60%), var(--navy-2);
  border-block: 1px solid var(--color-border);
}
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); text-align: center; }
.stat-num {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(var(--text-2xl), 3vw, var(--text-3xl));
  background: linear-gradient(120deg, var(--cobalt-light), #fff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-label { margin-top: var(--space-3); color: var(--color-text-muted); font-size: var(--text-base); }
@media (max-width: 640px) { .stats-grid { grid-template-columns: 1fr; gap: var(--space-10); } }

/* ============================================================
   Contact
   ============================================================ */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(var(--space-10), 6vw, var(--space-20)); align-items: start; }
.contact-info { display: grid; gap: var(--space-5); }
.info-item { display: flex; gap: var(--space-4); align-items: flex-start; }
.info-icon { width: 44px; height: 44px; flex: none; border-radius: var(--radius-md); display: grid; place-items: center; background: rgba(37,99,235,0.18); border: 1px solid var(--color-border-strong); color: var(--cobalt-light); }
.info-icon svg { width: 22px; height: 22px; }
.info-item h3 { font-size: var(--text-base); font-family: var(--font-body); font-weight: 600; margin-bottom: var(--space-1); }
.info-item p, .info-item a { color: var(--color-text-muted); font-size: var(--text-sm); }
.info-item a:hover { color: var(--cobalt-light); }

.form-card {
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(18,42,77,0.6), rgba(14,34,61,0.45));
  border: 1px solid var(--color-border-strong);
  box-shadow: var(--shadow-lg);
}
.form-row { margin-bottom: var(--space-5); }
.form-row label { display: block; font-size: var(--text-sm); font-weight: 600; margin-bottom: var(--space-2); }
.form-row input, .form-row textarea {
  width: 100%; padding: var(--space-3) var(--space-4);
  background: rgba(10,26,47,0.6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.form-row input::placeholder, .form-row textarea::placeholder { color: #9fb0c7; opacity: 1; }
.form-row input:focus, .form-row textarea:focus {
  outline: none; border-color: var(--cobalt-light); box-shadow: 0 0 0 3px rgba(96,165,250,0.18);
}
.form-row textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-4); }
.form-success { display: none; padding: var(--space-4) var(--space-5); border-radius: var(--radius-md); background: rgba(37,99,235,0.16); border: 1px solid var(--color-border-strong); color: var(--cobalt-light); font-size: var(--text-sm); margin-top: var(--space-4); }
.form-success.is-visible { display: block; }

@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; } }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { border-top: 1px solid var(--color-border); padding-block: var(--space-16) var(--space-10); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--space-10); align-items: start; }
.footer-brand p { color: var(--color-text-muted); font-size: var(--text-sm); max-width: 40ch; margin-top: var(--space-4); }
.footer-col h4 { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.14em; color: var(--color-text-faint); margin-bottom: var(--space-4); font-family: var(--font-body); font-weight: 600; }
.footer-col ul { display: grid; gap: var(--space-3); }
.footer-col a { color: var(--color-text-muted); font-size: var(--text-sm); }
.footer-col a:hover { color: var(--cobalt-light); }
.footer-bottom { margin-top: var(--space-12); padding-top: var(--space-6); border-top: 1px solid var(--color-border); display: flex; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; color: var(--color-text-faint); font-size: var(--text-xs); }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); } }

/* ============================================================
   Scroll reveal
   ============================================================ */
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 600ms cubic-bezier(0.16,1,0.3,1), transform 600ms cubic-bezier(0.16,1,0.3,1); }
[data-reveal].is-visible { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: 80ms; }
[data-reveal][data-delay="2"] { transition-delay: 160ms; }
[data-reveal][data-delay="3"] { transition-delay: 240ms; }
[data-reveal][data-delay="4"] { transition-delay: 320ms; }

/* ============================================================
   FAQ
   ============================================================ */
.faq-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4);
}
.faq-item {
  background: linear-gradient(180deg, rgba(18,42,77,0.55), rgba(14,34,61,0.4));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
  transition: border-color var(--transition-lift), background var(--transition-lift);
}
.faq-item[open] { border-color: var(--color-border-strong); background: linear-gradient(180deg, rgba(18,42,77,0.7), rgba(14,34,61,0.5)); }
.faq-item summary {
  cursor: pointer; list-style: none; font-family: var(--font-display); font-weight: 600;
  font-size: var(--text-base); color: var(--color-text); display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; flex: none; width: 26px; height: 26px; display: grid; place-items: center;
  font-size: var(--text-lg); line-height: 1; color: var(--cobalt-light);
  border: 1px solid var(--color-border-strong); border-radius: 50%; transition: transform var(--transition-interactive);
}
.faq-item[open] summary::after { content: "\2212"; transform: rotate(180deg); }
.faq-item p { margin-top: var(--space-3); color: var(--color-text-muted); font-size: var(--text-sm); }
@media (max-width: 720px) { .faq-grid { grid-template-columns: 1fr; } }

/* About / Why a new studio */
.about{background:linear-gradient(180deg,var(--navy-3) 0%,var(--navy-2) 55%,var(--navy) 100%);}
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(var(--space-8),5vw,var(--space-16));align-items:center;}
.about-intro .section-title{margin-top:var(--space-4);}
.about-intro .section-lead{margin-top:var(--space-4);}
.about-extra{margin-top:var(--space-5);color:var(--color-text-muted);max-width:48ch;}
.about-points{display:flex;flex-direction:column;gap:var(--space-5);}
.about-point{position:relative;padding:var(--space-6) var(--space-6) var(--space-6) var(--space-8);background:rgba(255,255,255,0.035);border:1px solid var(--color-border);border-radius:16px;}
.about-point::before{content:"";position:absolute;left:var(--space-6);top:var(--space-6);bottom:var(--space-6);width:3px;background:linear-gradient(180deg,var(--cobalt-light),var(--cobalt));border-radius:3px;opacity:.85;}
.about-num{position:absolute;top:var(--space-6);right:var(--space-6);font-family:"Poppins",sans-serif;font-weight:700;font-size:var(--text-lg);color:var(--cobalt-light);opacity:.45;letter-spacing:.02em;}
.about-point h3{font-family:"Poppins",sans-serif;font-size:var(--text-base);font-weight:700;color:var(--color-text);}
.about-point p{margin-top:var(--space-2);font-size:var(--text-sm);color:var(--color-text-muted);line-height:1.5;}
@media (max-width:880px){.about-grid{grid-template-columns:1fr;gap:var(--space-8);}}
@media (max-width:520px){.about-point{padding-left:var(--space-7);}.about-point::before{left:var(--space-5);}}

/* Language switch */
.lang-switch{margin-left:var(--space-2);}
.lang-switch a{display:inline-block;border:1px solid var(--color-border-strong);border-radius:999px;padding:.2rem .6rem;font-size:var(--text-xs);font-weight:700;letter-spacing:.06em;color:var(--cobalt-light);text-transform:uppercase;line-height:1.4;}
.lang-switch a:hover{background:rgba(96,165,250,.12);border-color:var(--cobalt-light);color:#fff;}
@media (max-width:860px){.lang-switch{margin-left:0;}}