/* =========================================================
   SOPAIC School Hub Theme — v3 (2026-06-25)
   SOPAIC brand palette: teal / dark-purple / navy
   with deep-dark glassmorphism.
   ========================================================= */

:root {
  --color-cyan: #30C8D6;
  --color-blue-soft: #5B3A7A;
  --color-blue-pale: #7DD4DC;
  --color-blue: #3A034B;
  --color-blue-deep: #2D0240;
  --color-violet: #1C2B54;
  --color-violet-glow: rgba(58, 3, 75, 0.30);
  --color-ink: #060810;
  --color-panel: #0c1222;
  --color-panel-2: #111830;
  --color-paper: #f7f9fc;
  --color-muted: #8b95a9;
  --school-gradient: linear-gradient(135deg, #30C8D6 0%, #3A034B 45%, #1C2B54 100%);
  --school-gradient-cool: linear-gradient(135deg, #30C8D6 0%, #1C2B54 100%);
  --school-gradient-warm: linear-gradient(135deg, #3A034B 0%, #1C2B54 100%);
  --school-shadow: 0 20px 60px rgba(0, 0, 0, 0.50);
  --school-glow: 0 0 32px rgba(48, 200, 214, 0.22);

  --primary: var(--color-cyan);
  --primary-dark: #239BA6;
  --primary-light: rgba(48, 200, 214, 0.12);
  --navy: var(--color-ink);
  --dark-navy: var(--color-ink);
  --accent: #30C8D6;
  --accent-dark: #239BA6;
  --bg: #080b14;
  --card-bg: rgba(255, 255, 255, 0.05);
  --text: #f0f2f8;
  --text-muted: var(--color-muted);
  --border: rgba(255, 255, 255, 0.09);
  --shadow: var(--school-shadow);
  --shadow-lg: 0 28px 72px rgba(0, 0, 0, 0.50);

  /* ── Typography scale (fluid) ────────────────── */
  --fs-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.75rem);
  --fs-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.875rem);
  --fs-base: clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
  --fs-md: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --fs-lg: clamp(1.1rem, 1rem + 0.5vw, 1.25rem);
  --fs-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --fs-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
  --fs-3xl: clamp(1.8rem, 1.5rem + 1.5vw, 2.5rem);
  --fs-hero: clamp(2.2rem, 1.8rem + 2vw, 3.5rem);

  /* ── Spacing scale ───────────────────────────── */
  --sp-xs: 0.25rem;
  --sp-sm: 0.5rem;
  --sp-md: 1rem;
  --sp-lg: 1.5rem;
  --sp-xl: 2rem;
  --sp-2xl: 3rem;
  --sp-3xl: 4rem;

  /* ── Transitions ─────────────────────────────── */
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.15s var(--ease-smooth);
  --transition-base: 0.25s var(--ease-smooth);
  --transition-slow: 0.4s var(--ease-smooth);

  /* ── Borders ─────────────────────────────────── */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  /* ── Z-index scale ───────────────────────────── */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 500;
  --z-modal: 1000;
  --z-toast: 9000;
  --z-preloader: 9999;
}

body {
  background: linear-gradient(180deg, #080b14 0%, #060810 100%);
  color: var(--text);
  overflow-x: hidden;
}

a { color: var(--color-cyan); }
a:hover { color: var(--color-blue-pale); }

/* ── Site chrome ───────────────────────────────────────── */

.site-header,
.audience-nav,
.site-footer {
  background: rgba(6, 8, 16, 0.92);
  border-color: rgba(48, 200, 214, 0.06);
}

.site-header {
  backdrop-filter: blur(24px) saturate(1.2);
  -webkit-backdrop-filter: blur(24px) saturate(1.2);
  box-shadow: 0 14px 50px rgba(0, 0, 0, 0.40);
  border-bottom: 1px solid rgba(48, 200, 214, 0.06);
}

.site-header .container {
  min-width: 0;
}

.nav-links {
  min-width: 0;
}

.nav-links a,
.audience-tab,
.audience-nav a {
  color: rgba(255, 255, 255, 0.72);
  transition: color 0.2s ease;
}

.nav-links a:hover,
.audience-tab:hover,
.audience-tab.active,
.audience-nav a:hover,
.audience-nav a.active {
  color: #fff;
  border-bottom-color: var(--color-cyan);
}

/* ── Buttons ───────────────────────────────────────────── */

.btn {
  border-radius: 999px;
  letter-spacing: 0;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.25s ease;
}

.btn-primary {
  background: var(--school-gradient-cool);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--school-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #28B0BC 0%, #2D0240 100%);
  color: #fff;
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 4px 40px rgba(48, 200, 214, 0.35);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 0 20px rgba(48, 200, 214, 0.18);
}

.btn-accent {
  background: var(--school-gradient-warm);
  color: #fff;
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 32px rgba(28, 43, 84, 0.30);
}

.btn-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
  border-color: var(--color-cyan);
  background: rgba(48, 200, 214, 0.08);
  transform: translateY(-1px);
}

.btn-ghost {
  color: var(--color-cyan);
  border-color: rgba(48, 200, 214, 0.32);
}

.btn-ghost:hover {
  background: rgba(48, 200, 214, 0.08);
}

/* ── Hero sections ─────────────────────────────────────── */

.hero,
.lp-hero,
.section-hero {
  background:
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(48, 200, 214, 0.10), transparent),
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(58, 3, 75, 0.08), transparent),
    radial-gradient(ellipse 50% 60% at 50% 80%, rgba(28, 43, 84, 0.06), transparent),
    linear-gradient(180deg, #080b14 0%, #0c1222 100%);
  color: #fff;
}

.lp-hero {
  min-height: min(760px, calc(100vh - 64px));
  display: grid;
  align-items: center;
  overflow: hidden;
}

.lp-hero-inner {
  width: min(100%, 800px);
}

.lp-hero {
  position: relative;
}

.lp-hero .hero-background {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.lp-hero .lp-hero-inner {
  position: relative;
  z-index: 1;
}

.lp-hero-badge,
.lp-section-tag,
.nl-highlight-badge {
  border: 1px solid rgba(48, 200, 214, 0.28);
  background: rgba(48, 200, 214, 0.07);
  color: var(--color-cyan);
}

.lp-hero-badge {
  max-width: 100%;
  white-space: normal;
  justify-content: center;
}

.lp-gradient-text,
.text-gradient,
.text-gradient-animated {
  background: var(--school-gradient);
  background-size: 300% 300%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 6s ease infinite;
}

@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.lp-hero-title,
.hero-title {
  color: #fff;
  letter-spacing: -0.01em;
  overflow-wrap: break-word;
}

.lp-title-break {
  display: inline;
}

.lp-hero-sub,
.hero-subtitle {
  color: rgba(255, 255, 255, 0.72);
}

/* ── Sections ──────────────────────────────────────────── */

.lp-stats,
.lp-section-dark,
.section-dark {
  background: #060810;
}

.lp-section-light,
.section {
  background: transparent;
}

/* ── Cards ─────────────────────────────────────────────── */

.lp-stat-card,
.lp-path-card,
.lp-feature-card,
.nl-highlight-card,
.card,
.dashboard-card,
.resource-card,
.course-card,
.pricing-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
  box-shadow:
    0 16px 44px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.card:hover,
.lp-feature-card:hover,
.resource-card:hover,
.course-card:hover,
.pricing-card:hover {
  transform: translateY(-3px);
  border-color: rgba(48, 200, 214, 0.14);
  box-shadow:
    0 22px 56px rgba(0, 0, 0, 0.34),
    0 0 28px rgba(48, 200, 214, 0.05);
}

.lp-feature-card p,
.lp-path-card p,
.course-card p,
.card p,
.dashboard-card p,
.text-muted,
p {
  color: var(--text-muted);
}

.lp-section-title,
.section-title,
.course-title,
.resource-title,
.card h1,
.card h2,
.card h3,
.dashboard-card h1,
.dashboard-card h2,
.dashboard-card h3 {
  color: #fff;
}

.lp-section-sub {
  color: var(--color-muted);
}

.lp-stat-num,
.lp-path-num {
  color: var(--color-blue-pale);
}

/* ── Icons ─────────────────────────────────────────────── */

.lp-feature-icon,
.lp-path-icon,
.resource-icon {
  background: rgba(48, 200, 214, 0.08);
  color: var(--color-cyan);
}

.lp-icon-teal {
  background: rgba(58, 3, 75, 0.10);
  color: var(--color-blue-pale);
}

.lp-icon-blue {
  background: rgba(48, 200, 214, 0.10);
  color: var(--color-cyan);
}

/* ── Forms ─────────────────────────────────────────────── */

input,
select,
textarea,
.form-control {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 12px;
  color: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input::placeholder,
textarea::placeholder {
  color: rgba(255, 255, 255, 0.54);
}

input:focus,
select:focus,
textarea:focus,
.form-control:focus {
  border-color: var(--color-cyan);
  box-shadow: 0 0 0 3px rgba(48, 200, 214, 0.12), 0 0 20px rgba(48, 200, 214, 0.06);
  outline: none;
}

/* ── Tables ────────────────────────────────────────────── */

.table,
table {
  color: var(--text);
}

th {
  color: #fff;
}

td {
  color: var(--color-muted);
}

/* ── Footer ────────────────────────────────────────────── */

.site-footer {
  background:
    radial-gradient(ellipse 60% 40% at 20% 90%, rgba(48, 200, 214, 0.03), transparent),
    radial-gradient(ellipse 50% 30% at 80% 80%, rgba(58, 3, 75, 0.02), transparent),
    linear-gradient(180deg, rgba(6, 8, 16, 0.99), rgba(7, 12, 22, 1));
  border-top: 1px solid rgba(48, 200, 214, 0.06);
}

.footer-desc,
.footer-links a,
.footer-bottom p {
  color: rgba(255, 255, 255, 0.60);
}

.footer-links a:hover {
  color: var(--color-cyan);
}

.social-links a {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  transition: background 0.2s ease, transform 0.2s ease;
}

.social-links a:hover {
  background: var(--school-gradient-cool);
  transform: translateY(-2px);
}

/* ── Responsive ────────────────────────────────────────── */

@media (max-width: 720px) {
  .lp-hero {
    min-height: auto;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .site-header,
  .audience-nav {
    padding-left: 0.85rem;
    padding-right: 0.85rem;
  }

  .site-header .container {
    gap: 0.65rem;
  }

  .nav-brand img {
    height: 42px !important;
  }

  .nav-links {
    gap: 0.55rem;
  }

  .nav-links > a:not(.btn) {
    display: none;
  }

  .nav-links .btn {
    padding: 0.5rem 0.78rem;
    font-size: 0.82rem;
    white-space: nowrap;
  }

  .nav-links .btn-primary {
    display: none;
  }

  .audience-nav {
    overflow-x: auto;
    scrollbar-width: none;
  }

  .audience-nav::-webkit-scrollbar {
    display: none;
  }

  .audience-tabs {
    width: max-content;
    min-width: 100%;
  }

  .lp-hero-badge {
    font-size: 0.72rem;
    line-height: 1.4;
  }

  .lp-hero-title {
    font-size: clamp(1.7rem, 7.8vw, 2.1rem);
    line-height: 1.12;
    max-width: 100%;
  }

  .lp-title-break {
    display: block;
  }

  .lp-hero-actions .btn {
    width: min(100%, 280px);
  }

  .lp-trust-bar {
    display: grid;
    grid-template-columns: 1fr;
    justify-items: center;
    max-width: 100%;
    overflow: hidden;
  }

  .lp-trust-divider {
    display: none;
  }
}

@media (max-width: 460px) {
  .lp-hero-badge {
    width: 100%;
  }

  .lp-hero-title {
    font-size: clamp(1.6rem, 7.2vw, 1.95rem);
  }

  .lp-hero-sub {
    font-size: 0.96rem;
    line-height: 1.62;
  }
}