/* ============================================================
   OKBook.ai — refined dark / premium-tech
   Targets existing class structure in index.html
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

:root {
  --bg:         #07080b;
  --bg-elev:    #0f1117;
  --bg-elev-2:  #14161e;
  --line:       rgba(255,255,255,0.08);
  --line-strong:rgba(255,255,255,0.16);
  --text:       #f3f4f7;
  --text-muted: #9aa1af;
  --text-dim:   #6a7180;
  --accent:     #ff9a1f;
  --accent-soft:#ffbe63;
  --accent-deep:#e07d00;
  --accent-glow:rgba(255,154,31,0.18);
  --radius:     14px;
  --radius-lg:  22px;
  --maxw:       1140px;
  --pad:        clamp(20px, 5vw, 40px);
  --font-display: "Bricolage Grotesque", "Hanken Grotesk", system-ui, sans-serif;
  --font-body:    "Hanken Grotesk", system-ui, -apple-system, sans-serif;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(1100px 620px at 78% -12%, var(--accent-glow), transparent 58%),
    radial-gradient(820px 520px at -8% 4%, rgba(96,110,255,0.06), transparent 55%);
  background-attachment: fixed;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
/* fine grain overlay for depth */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
  opacity: 0.035;
  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='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
main, .site-header, .footer { position: relative; z-index: 1; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-inline: var(--pad); }

/* ---------- Typography ---------- */
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.08; letter-spacing: -0.02em; margin: 0; }
h1 { font-size: clamp(2.5rem, 6vw, 4.25rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.18rem; letter-spacing: -0.01em; }
p  { margin: 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: rgba(7,8,11,0.66);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 70px; }
.brand-logo { height: 27px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-menu { display: flex; gap: 26px; }
.nav-menu a { font-size: 0.92rem; color: var(--text-muted); transition: color 0.2s ease; }
.nav-menu a:hover { color: var(--text); }

/* ---------- Buttons ---------- */
.button {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 12px 22px; border-radius: 999px;
  font-family: var(--font-body); font-weight: 600; font-size: 0.94rem;
  border: 1px solid var(--line-strong); color: var(--text);
  background: rgba(255,255,255,0.03); cursor: pointer;
  transition: transform 0.18s ease, border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.button:hover { transform: translateY(-2px); border-color: var(--accent); }
.button-primary {
  background: linear-gradient(180deg, var(--accent-soft), var(--accent));
  color: #2a1500; border-color: transparent; font-weight: 700;
  box-shadow: 0 8px 24px -10px var(--accent), inset 0 1px 0 rgba(255,255,255,0.35);
}
.button-primary:hover { box-shadow: 0 14px 34px -10px var(--accent); transform: translateY(-2px); }
.coming-soon { opacity: 0.6; cursor: default; }
.coming-soon:hover { transform: none; border-color: var(--line-strong); }

/* ---------- Hero ---------- */
.hero { padding-top: clamp(48px, 8vw, 96px); padding-bottom: clamp(40px, 6vw, 80px); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 0.8rem; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--text-muted); padding: 7px 14px; border: 1px solid var(--line);
  border-radius: 999px; background: rgba(255,255,255,0.02); margin-bottom: 26px;
}
.eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-glow); }
.hero h1 { margin-bottom: 22px; }
.hero h1 { background: linear-gradient(180deg, #ffffff 30%, #c8ccd6); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(1.05rem, 1.5vw, 1.22rem); color: var(--text-muted); max-width: 30em; margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Panels / cards (generic) ---------- */
.panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.012));
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px -30px rgba(0,0,0,0.8);
}

.hero-card { padding: 16px; }
.hero-visual { position: relative; }
.hero-banner { width: 100%; height: 240px; object-fit: cover; border-radius: 14px; filter: saturate(1.05) contrast(1.02); }
.booking-panel {
  margin-top: -54px; position: relative; margin-inline: 14px;
  background: rgba(15,17,23,0.9); backdrop-filter: blur(10px);
  border: 1px solid var(--line-strong); border-radius: 16px; padding: 16px;
  box-shadow: 0 20px 50px -24px rgba(0,0,0,0.9);
}
.booking-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.booking-title { font-family: var(--font-display); font-weight: 700; font-size: 1rem; }
.booking-subtitle { font-size: 0.82rem; color: var(--text-muted); }
.booking-tag { font-size: 0.72rem; font-weight: 700; color: var(--accent-soft); border: 1px solid var(--accent); border-radius: 999px; padding: 5px 11px; white-space: nowrap; }
.booking-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.booking-column { background: rgba(255,255,255,0.03); border: 1px solid var(--line); border-radius: 10px; padding: 11px; }
.booking-column small { display: block; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--accent-soft); margin-bottom: 5px; }
.booking-column strong { font-size: 0.82rem; font-weight: 600; color: var(--text); line-height: 1.3; }

/* ---------- Sections ---------- */
.section { padding-block: clamp(56px, 8vw, 104px); scroll-margin-top: 90px; }
.section-heading { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 20px 40px; margin-bottom: 42px; }
.section-heading h2 { max-width: 16em; }
.section-heading > p { color: var(--text-muted); max-width: 30em; justify-self: end; text-align: right; font-size: 0.98rem; }
.section-icon { color: var(--accent); font-size: 0.7em; margin-right: 6px; vertical-align: middle; opacity: 0.9; }

/* card grids */
.cards { display: grid; gap: 18px; }
.cols-1 { grid-template-columns: 1fr; }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--line-strong); box-shadow: 0 18px 40px -24px rgba(0,0,0,0.9); }
.card h3 { margin-bottom: 9px; }
.card p { color: var(--text-muted); font-size: 0.96rem; }
.card .label { display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-soft); margin-bottom: 12px; }

/* About */
.about-page-card { padding: clamp(28px, 4vw, 48px); }
.about-text-block { display: grid; gap: 20px; max-width: 70ch; }
.about-text-block p { color: var(--text-muted); font-size: clamp(1rem, 1.3vw, 1.12rem); }
.about-text-block p:first-child { color: var(--text); font-size: clamp(1.1rem, 1.5vw, 1.28rem); }

/* How it works — accent numbering */
#how .card { position: relative; overflow: hidden; }
#how .card .label { color: var(--accent); }
#how .card::after {
  content: ""; position: absolute; right: 18px; top: 16px; width: 34px; height: 34px;
  border-radius: 50%; border: 1px solid var(--accent); opacity: 0.25;
}

/* Capabilities + Values share .card */
#values .card h3, #capabilities .card h3 { font-size: 1.1rem; }

/* Services */
.services-grid { grid-template-columns: 1.4fr 1fr; align-items: stretch; }
.service-main { background: linear-gradient(150deg, rgba(255,154,31,0.10), rgba(255,255,255,0.02)); border-color: rgba(255,154,31,0.28); }
.service-main h3 { font-size: 1.4rem; margin-bottom: 14px; }
.services-soon h3 { margin-bottom: 16px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 16px; }
.chip {
  font-size: 0.82rem; font-weight: 500; color: var(--text);
  border: 1px solid var(--line-strong); border-radius: 999px; padding: 7px 14px;
  background: rgba(255,255,255,0.03); transition: border-color 0.2s ease, color 0.2s ease;
}
.chip:hover { border-color: var(--accent); color: var(--accent-soft); }

/* Mission & Vision — feature treatment */
#mission .cards { gap: 18px; }
#mission .card { padding: clamp(28px, 3.5vw, 44px); }
#mission .card p { color: var(--text); font-family: var(--font-display); font-weight: 600; font-size: clamp(1.2rem, 1.8vw, 1.55rem); line-height: 1.3; letter-spacing: -0.01em; }
#mission .card .label { color: var(--accent); }

/* For Businesses */
.business-stack { display: grid; gap: 16px; }
.business-box { padding: 0; }
.business-box-inner { padding: 26px clamp(24px, 3vw, 36px); display: grid; gap: 8px; }
.business-box-inner h3 { font-size: 1.3rem; }
.business-box-inner p { color: var(--text-muted); }
.business-box { transition: border-color 0.2s ease, transform 0.2s ease; }
.business-box:hover { border-color: var(--line-strong); transform: translateX(4px); }

/* Contact */
.contact-card { padding: clamp(32px, 5vw, 56px); text-align: center; display: grid; gap: 18px; justify-items: center; }
.contact-card h3 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.contact-card .muted { color: var(--text-muted); max-width: 44ch; }

/* Footer */
.footer { border-top: 1px solid var(--line); padding-block: 34px; margin-top: 40px; }
.footer-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: var(--text-muted); font-size: 0.9rem; }
.footer-row .subtle { color: var(--text-dim); }

/* ---------- Reveal on scroll ---------- */
html.js .hero-grid > *,
html.js .section .section-heading,
html.js .section .panel,
html.js .section .cards > *,
html.js .section .business-stack > *,
html.js .footer-row {
  opacity: 0; transform: translateY(18px);
  transition: opacity 0.7s cubic-bezier(.2,.7,.2,1), transform 0.7s cubic-bezier(.2,.7,.2,1);
}
.is-visible { opacity: 1 !important; transform: none !important; }

@media (prefers-reduced-motion: reduce) {
  html.js .hero-grid > *, html.js .section .section-heading, html.js .section .panel,
  html.js .section .cards > *, html.js .section .business-stack > *, html.js .footer-row {
    opacity: 1; transform: none; transition: none;
  }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .nav-menu { display: none; }
  .cols-3 { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .section-heading { grid-template-columns: 1fr; }
  .section-heading > p { justify-self: start; text-align: left; }
}
@media (max-width: 560px) {
  .cols-2, .cols-3 { grid-template-columns: 1fr; }
  .booking-columns { grid-template-columns: 1fr; }
  .hero-banner { height: 200px; }
  .footer-row { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   Hero — full-bleed key visual (editorial, reference-inspired)
   ============================================================ */
.hero-full { position: relative; min-height: min(92vh, 880px); display: flex; overflow: hidden; margin-bottom: clamp(20px, 4vw, 48px); }
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-key { width: 100%; height: 100%; object-fit: cover; object-position: center; filter: grayscale(0.22) contrast(1.05) brightness(0.9); }
.hero-duotone { position: absolute; inset: 0; background: linear-gradient(118deg, rgba(255,122,20,0.62), rgba(225,52,0,0.30) 55%, rgba(110,24,0,0.5)); mix-blend-mode: multiply; }
.hero-fade { position: absolute; inset: 0; background:
    linear-gradient(to top, var(--bg) 1%, rgba(7,8,11,0.12) 38%, transparent 66%),
    linear-gradient(to right, rgba(7,8,11,0.5), transparent 52%); }
.hero-overlay { position: relative; z-index: 2; width: 100%; display: flex; flex-direction: column; justify-content: space-between; padding-top: clamp(26px, 4vw, 52px); padding-bottom: clamp(22px, 3vw, 40px); }
.eyebrow-on-media { color: #fff; background: rgba(0,0,0,0.26); border-color: rgba(255,255,255,0.3); backdrop-filter: blur(6px); margin-bottom: 0; }
.hero-overlay-main { display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(24px, 4vw, 64px); align-items: end; margin-top: auto; }
.hero-pre { display: block; font-family: var(--font-body); font-weight: 500; font-size: clamp(1rem, 2vw, 1.4rem); color: rgba(255,255,255,0.88); margin-bottom: 6px; }
.hero-headline h1 { font-size: clamp(3.4rem, 9.5vw, 7.4rem); line-height: 0.9; font-weight: 800; color: #fff; letter-spacing: -0.035em; text-shadow: 0 2px 50px rgba(0,0,0,0.4); background: none; -webkit-text-fill-color: #fff; }
.hero-aside { padding-bottom: 8px; }
.hero-statement { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.3rem, 2.4vw, 1.95rem); color: #fff; line-height: 1.12; letter-spacing: -0.01em; margin-bottom: 14px; }
.hero-sub { color: rgba(255,255,255,0.82); font-size: 1rem; max-width: 34ch; margin-bottom: 22px; }
.button-ghost { background: rgba(0,0,0,0.28); border-color: rgba(255,255,255,0.5); color: #fff; }
.button-ghost:hover { border-color: #fff; background: rgba(0,0,0,0.42); }
.hero-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; border-top: 1px solid rgba(255,255,255,0.22); padding-top: 20px; margin-top: clamp(26px, 4vw, 46px); }
.hero-step { display: flex; align-items: baseline; gap: 12px; }
.hero-num { font-family: var(--font-display); font-weight: 800; font-size: 1.05rem; color: var(--accent-soft); }
.hero-step-label { color: rgba(255,255,255,0.9); font-size: 0.96rem; font-weight: 500; }

@media (max-width: 760px) {
  .hero-full { min-height: 88vh; }
  .hero-overlay-main { grid-template-columns: 1fr; align-items: start; gap: 22px; }
  .hero-strip { grid-template-columns: 1fr; gap: 12px; }
}

/* ============================================================
   EDITORIAL DE-BOX PASS
   Replace rounded card boxes with typographic rows + rules
   ============================================================ */

/* Section heading: orange kicker + big headline (left), body (right) */
.section-heading { grid-template-columns: 1.2fr 1fr; align-items: end; gap: 18px 48px; margin-bottom: clamp(34px, 5vw, 58px); }
.section-heading-left { display: flex; flex-direction: column; gap: 14px; }
.kicker { font-family: var(--font-body); font-size: 0.76rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); }
.section-heading h2 { font-size: clamp(2rem, 4.4vw, 3.2rem); max-width: 13em; margin: 0; }
.section-heading > p { font-size: 1.04rem; line-height: 1.62; color: var(--text-muted); }

/* Generic cards -> open editorial rows separated by hairline rules */
.cards, .cols-2, .cols-3 { gap: 0; }
.card {
  background: none; border: none; border-top: 1px solid var(--line);
  border-radius: 0; box-shadow: none; padding: 30px 0 30px 0;
  transition: border-color 0.25s ease;
}
.card:hover { transform: none; box-shadow: none; border-top-color: var(--accent); }
.card h3 { font-size: 1.35rem; margin-bottom: 10px; transition: color 0.2s ease; }
.card:hover h3 { color: var(--accent-soft); }
.card p { font-size: 1rem; max-width: 44ch; }
.card .label { color: var(--accent); margin-bottom: 14px; }
.cols-2 > .card { padding-right: 44px; }
.cols-3 > .card { padding-right: 34px; }

/* How it works: drop the ring, lean on numbered labels */
#how .card::after { display: none; }

/* Services: de-box main + categories */
.services-grid { grid-template-columns: 1fr; gap: 0; }
.service-main, .services-soon { background: none; border: none; border-top: 1px solid var(--line); border-radius: 0; box-shadow: none; padding: 32px 0; }
.service-main h3 { font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 14px; }
.service-main p { color: var(--text-muted); max-width: 60ch; }
.chip { background: none; border-color: var(--line-strong); }

/* Mission & Vision: two large editorial statements with accent rule */
#mission .cards { grid-template-columns: 1fr 1fr; gap: 0; }
#mission .card { border-top: 2px solid var(--accent); padding: 28px 44px 28px 0; }
#mission .card .label { color: var(--accent); }
#mission .card p { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.3rem, 2vw, 1.7rem); line-height: 1.3; color: #fff; max-width: none; }

/* For Businesses: title-left / body-right editorial rows */
.business-stack { gap: 0; }
.business-box, .panel.business-box { background: none; border: none; border-top: 1px solid var(--line); border-radius: 0; box-shadow: none; }
.business-box:hover { transform: none; border-top-color: var(--accent); }
.business-box-inner { grid-template-columns: 1fr 1.5fr; gap: 40px; padding: 32px 0; align-items: start; }
.business-box-inner h3 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); }
.business-box-inner p { color: var(--text-muted); }

/* About: editorial lead + body, no box */
.about-page-card, .panel.about-page-card { background: none; border: none; border-radius: 0; box-shadow: none; padding: 0; }
.about-text-block { max-width: 66ch; gap: 22px; }
.about-text-block p:first-child { font-family: var(--font-display); font-weight: 600; font-size: clamp(1.5rem, 2.6vw, 2.1rem); line-height: 1.3; letter-spacing: -0.01em; color: #fff; }

/* Contact: open editorial closing, no box */
.contact-card, .panel.contact-card { background: none; border: none; border-radius: 0; box-shadow: none; padding: clamp(36px, 6vw, 64px) 0; border-top: 1px solid var(--line); text-align: left; justify-items: start; }
.contact-card h3 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
.contact-card .muted { max-width: 50ch; }

/* Responsive for editorial grids */
@media (max-width: 900px) {
  #mission .cards { grid-template-columns: 1fr; }
  #mission .card { padding-right: 0; }
  .business-box-inner { grid-template-columns: 1fr; gap: 10px; }
  .cols-2 > .card, .cols-3 > .card { padding-right: 0; }
  .section-heading { grid-template-columns: 1fr; }
}

/* ---------- Hero height + framing (shorter hero, real key visual) ---------- */
.hero-full { min-height: min(52vh, 540px); }
.hero-key { object-position: center 42%; }
.hero-headline h1 { font-size: clamp(2.8rem, 6vw, 4.8rem); line-height: 0.92; }
.hero-pre { font-size: clamp(0.95rem, 1.6vw, 1.25rem); }
@media (max-width: 760px) {
  .hero-full { min-height: 64vh; }
  .hero-headline h1 { font-size: clamp(2.6rem, 11vw, 3.6rem); }
}

/* ---------- Single closing footer ---------- */
.footer { border-top: 1px solid var(--line); padding-block: clamp(40px, 6vw, 64px); margin-top: clamp(40px, 6vw, 72px); }
.footer-inner { display: grid; gap: 22px; }
.footer-brand { display: inline-block; }
.footer-brand .brand-logo { height: 27px; width: auto; }
.footer-desc { color: var(--text-muted); max-width: 54ch; font-size: 1rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; padding-top: 18px; border-top: 1px solid var(--line); }
.footer-bottom .subtle { color: var(--text-dim); font-size: 0.85rem; }

/* ---------- Footer nav ---------- */
.footer-nav { display: flex; flex-wrap: wrap; gap: 14px 26px; }
.footer-nav a { color: var(--text-muted); font-size: 0.92rem; transition: color 0.2s ease; }
.footer-nav a:hover { color: var(--text); }

/* Footer bottom row: copyright left, menu right */
.footer-bottom { align-items: center; }
.footer-bottom .footer-nav { justify-content: flex-end; flex: 1; }
@media (max-width: 640px) {
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 16px; }
  .footer-bottom .footer-nav { justify-content: flex-start; }
}

/* ---------- Hero CTA (gradient, tech feel) ---------- */
.hero-cta {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: clamp(20px, 3vw, 30px);
  padding: 15px 30px; border-radius: 999px;
  font-family: var(--font-body); font-weight: 700; font-size: 1.04rem;
  color: #2a1400; border: none; cursor: pointer; text-decoration: none;
  background: linear-gradient(100deg, #ffd58a, #ff9a1f 38%, #ff7a18 70%, #ff5e0a);
  background-size: 190% 100%; background-position: 0% 50%;
  box-shadow: 0 10px 30px -8px rgba(255,120,20,0.6), inset 0 1px 0 rgba(255,255,255,0.45);
  transition: transform .2s ease, box-shadow .25s ease, background-position .55s ease;
}
.hero-cta:hover { transform: translateY(-2px); background-position: 100% 50%; box-shadow: 0 18px 44px -8px rgba(255,120,20,0.75); }
.hero-cta:active { transform: translateY(0); }
.hero-cta .arrow { font-size: 1.1em; transition: transform .2s ease; }
.hero-cta:hover .arrow { transform: translateX(5px); }

/* ---------- Hero CTA hover: light sweep + top-right glint ---------- */
.hero-cta { position: relative; overflow: hidden; isolation: isolate; }
.hero-cta > span { position: relative; z-index: 2; }
.hero-cta::before {
  content: ""; position: absolute; top: 0; bottom: 0; left: 0; width: 55%; z-index: 1;
  pointer-events: none; opacity: 0;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.9), transparent);
  transform: translateX(-200%) skewX(-18deg);
}
.hero-cta::after {
  content: ""; position: absolute; top: 5px; right: 14px; z-index: 1; pointer-events: none;
  width: 9px; height: 9px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.98), rgba(255,255,255,0) 70%);
  opacity: 0; transform: scale(0.3);
}
.hero-cta:hover::before { animation: cta-sweep 0.72s ease-out 1 forwards; }
.hero-cta:hover::after  { animation: cta-glint 0.5s ease-out 0.46s 1 forwards; }
@keyframes cta-sweep {
  0%   { transform: translateX(-200%) skewX(-18deg); opacity: 0; }
  12%  { opacity: 1; }
  82%  { opacity: 1; }
  100% { transform: translateX(300%) skewX(-18deg); opacity: 0; }
}
@keyframes cta-glint {
  0%   { opacity: 0; transform: scale(0.3); box-shadow: 0 0 0 0 rgba(255,255,255,0); }
  45%  { opacity: 1; transform: scale(1.7); box-shadow: 0 0 16px 5px rgba(255,255,255,0.7); }
  100% { opacity: 0; transform: scale(0.9); box-shadow: 0 0 0 0 rgba(255,255,255,0); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-cta:hover::before, .hero-cta:hover::after { animation: none; }
}

/* ---------- Mobile nav (hamburger) ---------- */
.nav-toggle { display: none; flex-direction: column; gap: 5px; align-items: center; justify-content: center; width: 44px; height: 40px; padding: 0; background: rgba(255,255,255,0.03); border: 1px solid var(--line-strong); border-radius: 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .25s ease, opacity .2s ease; }
.site-header.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.site-header.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .nav-menu {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(7,8,11,0.97); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line); padding: 6px 0;
    opacity: 0; transform: translateY(-8px); pointer-events: none;
    transition: opacity .22s ease, transform .22s ease;
  }
  .site-header.nav-open .nav-menu { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-menu a { padding: 14px var(--pad); font-size: 1.02rem; }
  .nav-menu a:hover { background: rgba(255,255,255,0.04); color: var(--text); }
}