/* ============================================================
   IDIOMASOFíA® — Stylesheet Principal
   styles.css
   ============================================================ */

/* ── IMPORTS ── */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;0,700;1,300;1,400&family=DM+Sans:wght@300;400;500;600;700&family=Fredoka+One&display=swap');

/* ════════════════════════════════════════
   1. DESIGN TOKENS / VARIABLES
════════════════════════════════════════ */
:root {
  /* Colors */
  --midnight:      #060B18;
  --navy:          #0D1526;
  --navy2:         #121E35;
  --sky:           #3ABFF8;
  --sky-glow:      rgba(58,191,248,0.18);
  --sky-dim:       rgba(58,191,248,0.08);
  --orange:        #F97316;
  --orange-glow:   rgba(249,115,22,0.2);
  --gold:          #E8B86D;
  --white:         #FFFFFF;
  --off-white:     #F0F4FA;
  --muted:         rgba(255,255,255,0.55);
  --border:        rgba(255,255,255,0.07);
  --border-bright: rgba(58,191,248,0.25);
  --card:          rgba(13,21,38,0.7);

  /* Spacing */
  --section-y:     100px;
  --section-sm-y:  64px;
  --container-max: 1160px;
  --container-px:  24px;

  /* Radii */
  --radius:        16px;
  --radius-sm:     8px;
  --radius-pill:   99px;

  /* Typography */
  --font-display:  'Cormorant Garamond', serif;
  --font-body:     'DM Sans', sans-serif;
  --font-brand:    'Fredoka One', cursive;

  /* Transitions */
  --transition:    0.4s cubic-bezier(0.16,1,0.3,1);
  --transition-fast: 0.2s ease;
}

/* ════════════════════════════════════════
   2. RESET & BASE
════════════════════════════════════════ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--midnight);
  color: var(--white);
  overflow-x: hidden;
  line-height: 1.65;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

::-webkit-scrollbar            { width: 5px; }
::-webkit-scrollbar-track      { background: var(--midnight); }
::-webkit-scrollbar-thumb      { background: var(--sky); border-radius: 99px; }
::selection                    { background: var(--sky); color: var(--midnight); }

/* ════════════════════════════════════════
   3. LAYOUT UTILITIES
════════════════════════════════════════ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
}

.section    { padding: var(--section-y) 0; }
.section-sm { padding: var(--section-sm-y) 0; }

/* ════════════════════════════════════════
   4. TYPOGRAPHY UTILITIES
════════════════════════════════════════ */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 16px 0 20px;
}
.section-title strong {
  font-weight: 700;
  font-style: italic;
  color: var(--sky);
}
.section-subtitle {
  color: var(--muted);
  max-width: 560px;
  font-size: 1.05rem;
  line-height: 1.7;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sky);
  background: var(--sky-dim);
  border: 1px solid var(--border-bright);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
}
.tag::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--sky);
  display: block;
}

/* ════════════════════════════════════════
   5. BUTTONS
════════════════════════════════════════ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--sky) 0%, #1e9fd4 100%);
  color: var(--midnight);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  padding: 14px 30px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 0 30px rgba(58,191,248,0.4);
  border: none;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(58,191,248,0.55);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  padding: 13px 28px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-bright);
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
}
.btn-outline:hover {
  background: var(--sky-dim);
  border-color: var(--sky);
  transform: translateY(-2px);
}

.btn-orange {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--orange) 0%, #ea5e00 100%);
  color: #fff;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  padding: 14px 30px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 0 30px var(--orange-glow);
  border: none;
  cursor: pointer;
  white-space: nowrap;
}
.btn-orange:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(249,115,22,0.5);
}

/* ════════════════════════════════════════
   6. SCROLL ANIMATIONS
════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ════════════════════════════════════════
   7. DECORATIVE ORBS
════════════════════════════════════════ */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

/* ════════════════════════════════════════
   8. NOTICE BAR
════════════════════════════════════════ */
.notice-bar {
  background: linear-gradient(90deg, rgba(58,191,248,0.12), rgba(249,115,22,0.1));
  border-bottom: 1px solid var(--border);
  padding: 10px var(--container-px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 0.8rem;
  font-weight: 500;
  position: relative;
  z-index: 1001;
  flex-wrap: wrap;
  text-align: center;
}
.notice-pill {
  background: var(--orange);
  color: var(--midnight);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
}
.notice-bar a {
  color: var(--sky);
  text-decoration: none;
  font-weight: 600;
}
.notice-bar a:hover { text-decoration: underline; }

/* ════════════════════════════════════════
   9. NAVIGATION
════════════════════════════════════════ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 var(--container-px);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(6,11,24,0.65);
  backdrop-filter: blur(20px) saturate(1.8);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

/* Nav offset for notice bar */
body { padding-top: calc(72px + 42px); }

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.nav-logo img {
  width: 38px; height: 38px;
  object-fit: contain;
  border-radius: 8px;
}
.nav-logo-text {
  font-family: var(--font-brand);
  font-size: 1.25rem;
  color: var(--white);
  letter-spacing: 0.04em;
}
.nav-logo-text span { color: var(--sky); }

#nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
}
#nav-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: color var(--transition-fast), background var(--transition-fast);
}
#nav-links a:hover,
#nav-links a.active {
  color: var(--white);
  background: rgba(255,255,255,0.06);
}
#nav-links a.active { color: var(--sky); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-wa {
  display: flex;
  align-items: center;
  gap: 7px;
  background: rgba(37,211,102,0.15);
  border: 1px solid rgba(37,211,102,0.3);
  color: #25D366;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: var(--transition);
}
.nav-wa:hover { background: rgba(37,211,102,0.28); }

/* Hamburger */
#hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
#hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
#hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
#hamburger.open span:nth-child(2) { opacity: 0; }
#hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu overlay */
#mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(6,11,24,0.97);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
#mobile-menu.open { display: flex; }
#mobile-menu a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  color: var(--white);
  text-decoration: none;
  padding: 10px 24px;
  border-radius: 12px;
  transition: color var(--transition-fast), background var(--transition-fast);
}
#mobile-menu a:hover { color: var(--sky); }

@media (max-width: 900px) {
  #nav-links, .nav-actions .btn-primary { display: none; }
  #hamburger { display: flex; }
}

/* ════════════════════════════════════════
   10. HERO
════════════════════════════════════════ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: radial-gradient(ellipse 120% 80% at 60% 40%, #0D2040 0%, var(--midnight) 65%);
  padding-top: 0;
  margin-top: calc(-72px - 42px);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 180px 0 100px;
  position: relative;
  z-index: 2;
}

/* Hero copy */
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}
.hero-eyebrow-line { width: 32px; height: 2px; background: var(--sky); border-radius: 2px; }
.hero-eyebrow-text {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--sky);
}

.hero-h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5.5vw, 5.2rem);
  font-weight: 300;
  line-height: 1.07;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}
.hero-h1 .brand {
  font-family: var(--font-brand);
  font-size: 0.82em;
  color: var(--sky);
  letter-spacing: 0.04em;
}
.hero-h1 .italic { font-style: italic; color: var(--gold); }

/* Typing cursor */
#hero-typing { border-right: 2px solid var(--sky); padding-right: 2px; }

.hero-desc {
  font-size: 1.1rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 460px;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 52px;
}

.hero-trust { display: flex; gap: 20px; flex-wrap: wrap; }
.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 500;
}
.hero-trust-item svg { color: var(--sky); flex-shrink: 0; }

/* Hero visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-logo-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-logo-glow {
  position: absolute;
  inset: -40px;
  background: radial-gradient(circle, rgba(58,191,248,0.18) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 4s ease-in-out infinite;
}
.hero-logo-ring {
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  border: 1px solid rgba(58,191,248,0.2);
  animation: spin 25s linear infinite;
}
.hero-logo-ring::after {
  content: '';
  position: absolute;
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px; height: 8px;
  background: var(--sky);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--sky);
}
.hero-logo-img {
  width: min(380px, 90%);
  height: auto;
  filter: drop-shadow(0 0 40px rgba(58,191,248,0.35));
  animation: float 6s ease-in-out infinite;
}
.hero-badges {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 10px;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
}
.hero-badge {
  background: var(--card);
  border: 1px solid var(--border-bright);
  padding: 8px 14px;
  border-radius: 10px;
  backdrop-filter: blur(10px);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--sky);
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  animation: float 6s ease-in-out infinite;
}
.hero-badge:nth-child(2) { animation-delay: -2s; }
.hero-badge:nth-child(3) { animation-delay: -4s; }

/* Hero orbs */
.hero-orb1 { width: 600px; height: 600px; top: -200px; right: -100px; background: rgba(58,191,248,0.07); }
.hero-orb2 { width: 400px; height: 400px; bottom: -150px; left: -100px; background: rgba(249,115,22,0.06); }

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 36px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  z-index: 2;
}
.scroll-line {
  width: 1px; height: 56px;
  background: linear-gradient(to bottom, transparent, var(--sky), transparent);
  animation: scrollAnim 2s ease-in-out infinite;
}
.scroll-label { font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .hero-logo-img { width: min(260px, 85%); }
  .hero-badges { display: none; }
  .hero-grid { padding: 120px 0 60px; }
}

/* ════════════════════════════════════════
   11. TRUST STRIP
════════════════════════════════════════ */
#trust {
  padding: 36px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.trust-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}
.trust-label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  white-space: nowrap;
}
.trust-divider { width: 1px; height: 28px; background: var(--border); }
.trust-logos {
  display: flex;
  align-items: center;
  gap: 36px;
  flex-wrap: wrap;
  justify-content: center;
}
.trust-logo {
  height: 36px;
  object-fit: contain;
  filter: grayscale(1) brightness(1.8) opacity(0.55);
  transition: filter 0.3s;
}
.trust-logo:hover { filter: grayscale(0) brightness(1) opacity(1); }

/* ════════════════════════════════════════
   12. SERVICES
════════════════════════════════════════ */
#services { background: var(--midnight); }
.services-header { text-align: center; margin-bottom: 60px; }
.services-header .section-subtitle { margin: 0 auto; text-align: center; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.service-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
  cursor: default;
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--sky-dim) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-bright);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--sky-dim);
  border: 1px solid var(--border-bright);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  position: relative; z-index: 1;
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 10px;
  position: relative; z-index: 1;
}
.service-card p {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.7;
  position: relative; z-index: 1;
}
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--sky);
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  margin-top: 20px;
  position: relative; z-index: 1;
  letter-spacing: 0.04em;
  transition: gap 0.2s;
}
.service-link:hover { gap: 10px; }
.service-card.featured {
  border-color: rgba(249,115,22,0.3);
  background: linear-gradient(135deg, rgba(249,115,22,0.07) 0%, var(--card) 60%);
}
.service-card.featured .service-icon { background: rgba(249,115,22,0.12); border-color: rgba(249,115,22,0.3); }
.service-card.featured .service-link { color: var(--orange); }

/* ════════════════════════════════════════
   13. SOPHY VIRTUAL CAMPUS
════════════════════════════════════════ */
#sophy {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #08152A 0%, #0B1C35 50%, #0D2045 100%);
  padding: 110px 0;
}
.sophy-orb1 { width: 700px; height: 700px; top: -200px; right: -200px; background: rgba(58,191,248,0.07); }
.sophy-orb2 { width: 400px; height: 400px; bottom: -100px; left: -100px; background: rgba(249,115,22,0.05); }
.sophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative; z-index: 2;
}
.sophy-tag { background: rgba(232,184,109,0.12); border-color: rgba(232,184,109,0.3); color: var(--gold); }
.sophy-tag::before { background: var(--gold); }
.sophy-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 300;
  line-height: 1.1;
  margin: 16px 0;
}
.sophy-title .highlight { color: var(--sky); font-style: italic; font-weight: 600; }
.sophy-title .brand-gold { color: var(--gold); }
.sophy-desc { color: var(--muted); font-size: 1.05rem; line-height: 1.75; margin-bottom: 36px; }
.sophy-features { display: flex; flex-direction: column; gap: 16px; margin-bottom: 40px; }
.sophy-feature { display: flex; align-items: flex-start; gap: 14px; }
.sophy-feature-icon {
  width: 38px; height: 38px; flex-shrink: 0;
  border-radius: 10px;
  background: var(--sky-dim);
  border: 1px solid var(--border-bright);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; margin-top: 2px;
}
.sophy-feature-text h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 2px; }
.sophy-feature-text p { font-size: 0.83rem; color: var(--muted); line-height: 1.55; }
.sophy-ctas { display: flex; gap: 12px; flex-wrap: wrap; }

/* Sophy window UI */
.sophy-visual { position: relative; }
.sophy-window {
  background: rgba(13,21,38,0.9);
  border: 1px solid var(--border-bright);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.6), 0 0 0 1px var(--border);
}
.sophy-titlebar {
  background: rgba(6,11,24,0.9);
  padding: 14px 20px;
  display: flex; align-items: center; gap: 12px;
  border-bottom: 1px solid var(--border);
}
.sophy-dots { display: flex; gap: 6px; }
.sophy-dot { width: 10px; height: 10px; border-radius: 50%; }
.sophy-dot:nth-child(1) { background: #ff5f57; }
.sophy-dot:nth-child(2) { background: #febc2e; }
.sophy-dot:nth-child(3) { background: #28c840; }
.sophy-titlebar-text { font-size: 0.78rem; color: var(--muted); font-family: monospace; margin: 0 auto; }
.sophy-content { padding: 24px; }
.sophy-header-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.sophy-user { display: flex; align-items: center; gap: 10px; }
.sophy-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--sky), var(--orange));
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 700; color: var(--midnight);
}
.sophy-user-info .name { font-size: 0.85rem; font-weight: 600; }
.sophy-user-info .level {
  font-size: 0.7rem; color: var(--sky);
  background: var(--sky-dim); padding: 1px 8px; border-radius: var(--radius-pill);
}
.sophy-status {
  font-size: 0.72rem; color: #4ade80;
  background: rgba(74,222,128,0.12); padding: 3px 10px; border-radius: var(--radius-pill);
  border: 1px solid rgba(74,222,128,0.25);
}
.sophy-progress-section { margin-bottom: 20px; }
.sophy-progress-label {
  display: flex; justify-content: space-between;
  font-size: 0.78rem; margin-bottom: 7px;
}
.sophy-progress-label span:last-child { color: var(--sky); }
.sophy-bar { height: 6px; background: rgba(255,255,255,0.07); border-radius: var(--radius-pill); overflow: hidden; }
.sophy-bar-fill { height: 100%; border-radius: var(--radius-pill); background: linear-gradient(90deg, var(--sky), #1e9fd4); }
.sophy-courses { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 16px; }
.sophy-course {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 10px; padding: 12px;
  transition: border-color 0.2s;
}
.sophy-course:hover { border-color: var(--border-bright); }
.sophy-course-flag { font-size: 1.1rem; margin-bottom: 6px; }
.sophy-course-name { font-size: 0.78rem; font-weight: 600; margin-bottom: 3px; }
.sophy-course-meta { font-size: 0.68rem; color: var(--muted); }
.sophy-course-badge {
  display: inline-block; margin-top: 6px;
  font-size: 0.65rem; font-weight: 600;
  padding: 2px 7px; border-radius: var(--radius-pill);
  background: var(--sky-dim); color: var(--sky);
}
.sophy-ai-chat {
  background: rgba(6,11,24,0.6);
  border: 1px solid var(--border);
  border-radius: 12px; padding: 12px;
}
.sophy-ai-msg {
  display: flex; gap: 8px; align-items: flex-start;
  font-size: 0.78rem; color: rgba(255,255,255,0.8); line-height: 1.5;
}
.sophy-ai-icon {
  width: 24px; height: 24px; flex-shrink: 0; border-radius: 6px;
  background: linear-gradient(135deg, var(--sky), #1e9fd4);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.6rem; color: var(--midnight); font-weight: 700;
}
/* Floating badges */
.sophy-float1 {
  position: absolute; top: -20px; left: -20px;
  background: var(--card); border: 1px solid var(--border-bright);
  padding: 10px 14px; border-radius: 12px;
  backdrop-filter: blur(10px);
  font-size: 0.75rem; font-weight: 600; color: var(--sky);
  display: flex; align-items: center; gap: 6px;
  white-space: nowrap;
  animation: float 5s ease-in-out infinite;
}
.sophy-float2 {
  position: absolute; bottom: 30px; right: -24px;
  background: var(--card); border: 1px solid rgba(232,184,109,0.3);
  padding: 10px 14px; border-radius: 12px;
  backdrop-filter: blur(10px);
  font-size: 0.75rem; font-weight: 600; color: var(--gold);
  display: flex; align-items: center; gap: 6px;
  white-space: nowrap;
  animation: float 5s ease-in-out infinite; animation-delay: -2.5s;
}
@media (max-width: 860px) {
  .sophy-grid { grid-template-columns: 1fr; gap: 50px; }
  .sophy-float1, .sophy-float2 { display: none; }
}

/* ════════════════════════════════════════
   14. CEFR
════════════════════════════════════════ */
#cefr { background: var(--midnight); position: relative; overflow: hidden; }
.cefr-header { text-align: center; margin-bottom: 60px; }
.cefr-header .section-subtitle { margin: 0 auto; text-align: center; }
.cefr-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px; margin-bottom: 48px;
}
.cefr-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px; padding: 24px 16px; text-align: center;
  transition: var(--transition); cursor: default;
  position: relative; overflow: hidden;
}
.cefr-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 3px;
  background: var(--card-color, var(--sky));
}
.cefr-card:hover {
  transform: translateY(-5px);
  border-color: var(--card-color, var(--sky));
  box-shadow: 0 15px 40px rgba(0,0,0,0.4);
}
.cefr-level {
  font-family: var(--font-display);
  font-size: 2.4rem; font-weight: 700; line-height: 1;
  color: var(--card-color, var(--sky)); margin-bottom: 6px;
}
.cefr-name { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.cefr-desc { font-size: 0.72rem; color: rgba(255,255,255,0.5); line-height: 1.5; }
.cefr-info {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 36px 40px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
}
.cefr-info-text h3 { font-family: var(--font-display); font-size: 1.6rem; font-weight: 600; margin-bottom: 12px; }
.cefr-info-text p { font-size: 0.9rem; color: var(--muted); line-height: 1.7; margin-bottom: 14px; }
.cefr-uses { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.cefr-uses li { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: rgba(255,255,255,0.8); }
.cefr-uses li::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--sky); flex-shrink: 0; }
.cefr-info-logo { text-align: center; }
.cefr-info-logo img { max-width: 200px; object-fit: contain; filter: brightness(1.4) saturate(0.8); border-radius: 12px; }
@media (max-width: 860px) {
  .cefr-grid { grid-template-columns: repeat(3, 1fr); }
  .cefr-info { grid-template-columns: 1fr; }
}
@media (max-width: 500px) {
  .cefr-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ════════════════════════════════════════
   15. CAMBRIDGE
════════════════════════════════════════ */
#cambridge {
  background: linear-gradient(135deg, #0B1526 0%, #0F1D36 100%);
  position: relative; overflow: hidden;
}
.cambridge-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.cambridge-img-wrap { position: relative; border-radius: 20px; overflow: hidden; }
.cambridge-img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover;
  border-radius: 20px; display: block;
  border: 1px solid var(--border-bright);
}
.cambridge-badge {
  position: absolute; bottom: -16px; right: -16px;
  background: var(--card); border: 1px solid var(--border-bright);
  backdrop-filter: blur(10px); border-radius: 14px; padding: 14px 18px; text-align: center;
}
.cambridge-badge .num { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--sky); line-height: 1; }
.cambridge-badge .label { font-size: 0.7rem; color: var(--muted); font-weight: 500; margin-top: 2px; }
.cambridge-features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 30px 0; }
.cam-feat {
  background: var(--sky-dim); border: 1px solid var(--border-bright);
  border-radius: 10px; padding: 14px 16px;
  font-size: 0.82rem; font-weight: 600; color: var(--sky);
  display: flex; align-items: center; gap: 8px;
}
@media (max-width: 860px) {
  .cambridge-grid { grid-template-columns: 1fr; gap: 40px; }
  .cambridge-badge { bottom: 10px; right: 10px; }
}

/* ════════════════════════════════════════
   16. SISTEMA (Method steps)
════════════════════════════════════════ */
#sistema { background: var(--midnight); }
.sistema-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.sistema-steps { display: flex; flex-direction: column; gap: 0; margin: 30px 0; }
.sistema-step { display: flex; gap: 20px; position: relative; padding-bottom: 28px; }
.sistema-step:last-child { padding-bottom: 0; }
.sistema-step-left { display: flex; flex-direction: column; align-items: center; }
.sistema-step-num {
  width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
  background: var(--sky-dim); border: 1px solid var(--border-bright);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 700; color: var(--sky);
}
.sistema-step-line { width: 1px; flex: 1; background: var(--border); margin: 6px 0; }
.sistema-step:last-child .sistema-step-line { display: none; }
.sistema-step-content { padding-top: 8px; }
.sistema-step-content h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 5px; }
.sistema-step-content p { font-size: 0.85rem; color: var(--muted); line-height: 1.6; }
.sistema-img { border-radius: 20px; overflow: hidden; position: relative; }
.sistema-img img { width: 100%; aspect-ratio: 3/2; object-fit: cover; display: block; border-radius: 20px; border: 1px solid var(--border); }
.sistema-overlay {
  position: absolute; inset: 0; border-radius: 20px;
  background: linear-gradient(to top, rgba(6,11,24,0.8) 0%, transparent 50%);
}
.sistema-caption { position: absolute; bottom: 24px; left: 24px; right: 24px; }
.sistema-caption h3 { font-family: var(--font-display); font-size: 1.6rem; font-weight: 600; line-height: 1.2; }
@media (max-width: 860px) { .sistema-grid { grid-template-columns: 1fr; gap: 40px; } }

/* ════════════════════════════════════════
   17. STATS
════════════════════════════════════════ */
#stats {
  background: linear-gradient(135deg, #0B1D35 0%, #091526 100%);
  padding: 72px 0; position: relative; overflow: hidden;
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--border);
  border-radius: var(--radius); overflow: hidden;
  position: relative; z-index: 2;
}
.stat-item { background: rgba(6,11,24,0.6); padding: 40px 30px; text-align: center; transition: background 0.3s; }
.stat-item:hover { background: var(--sky-dim); }
.stat-num { font-family: var(--font-display); font-size: 3.2rem; font-weight: 700; line-height: 1; color: var(--sky); display: block; margin-bottom: 6px; }
.stat-label { font-size: 0.82rem; color: var(--muted); font-weight: 500; }
@media (max-width: 700px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }

/* ════════════════════════════════════════
   18. APP
════════════════════════════════════════ */
#app { background: var(--midnight); }
.app-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.app-qr-wrap {
  display: flex; align-items: center; gap: 28px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 20px; padding: 28px;
}
.app-qr { width: 130px; height: 130px; object-fit: contain; border-radius: 12px; flex-shrink: 0; background: white; padding: 8px; }
.app-qr-text h4 { font-size: 1.05rem; font-weight: 600; margin-bottom: 6px; }
.app-qr-text p { font-size: 0.83rem; color: var(--muted); line-height: 1.6; }
.app-badges { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.app-badge {
  display: flex; align-items: center; gap: 7px;
  background: rgba(255,255,255,0.06); border: 1px solid var(--border);
  padding: 8px 14px; border-radius: 10px;
  font-size: 0.75rem; font-weight: 600;
  text-decoration: none; color: var(--white); transition: var(--transition);
}
.app-badge:hover { background: var(--sky-dim); border-color: var(--border-bright); }
.app-highlights { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.app-highlight { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 18px; }
.app-highlight .emoji { font-size: 1.5rem; margin-bottom: 8px; }
.app-highlight h4 { font-size: 0.85rem; font-weight: 600; margin-bottom: 4px; }
.app-highlight p { font-size: 0.77rem; color: var(--muted); line-height: 1.5; }
@media (max-width: 860px) { .app-grid { grid-template-columns: 1fr; gap: 40px; } }

/* ════════════════════════════════════════
   19. TESTIMONIALS
════════════════════════════════════════ */
#testimonials { background: linear-gradient(160deg, #0A1525 0%, var(--midnight) 100%); }
.testimonials-header { text-align: center; margin-bottom: 56px; }
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.testimonial-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
  transition: var(--transition);
}
.testimonial-card:hover { transform: translateY(-3px); border-color: var(--border-bright); }
.testimonial-quote { font-family: var(--font-display); font-size: 3rem; color: var(--sky); line-height: 0.8; margin-bottom: 14px; opacity: 0.5; }
.testimonial-text { font-size: 0.9rem; color: rgba(255,255,255,0.8); line-height: 1.75; font-style: italic; margin-bottom: 24px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; border: 2px solid var(--border-bright); }
.testimonial-avatar--initials {
  background: linear-gradient(135deg, var(--sky), var(--orange));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.85rem; color: var(--midnight);
}
.testimonial-name { font-size: 0.9rem; font-weight: 600; }
.testimonial-role { font-size: 0.75rem; color: var(--muted); }
.testimonial-stars { color: var(--gold); font-size: 0.8rem; margin-top: 2px; }

/* ════════════════════════════════════════
   20. ABOUT
════════════════════════════════════════ */
#about { background: var(--midnight); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
#values-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 40px; }
.value-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; transition: var(--transition); }
.value-card:hover { border-color: var(--border-bright); transform: translateY(-2px); }
.value-icon { font-size: 1.4rem; margin-bottom: 8px; }
.value-card h4 { font-size: 0.85rem; font-weight: 700; margin-bottom: 4px; color: var(--sky); }
.value-card p { font-size: 0.77rem; color: var(--muted); line-height: 1.55; }
.mission-vision { display: flex; flex-direction: column; gap: 20px; }
.mv-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.mv-card h3 { font-family: var(--font-display); font-size: 1.4rem; font-weight: 600; color: var(--sky); margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.mv-card p { font-size: 0.88rem; color: var(--muted); line-height: 1.75; }
@media (max-width: 860px) { .about-grid { grid-template-columns: 1fr; gap: 40px; } }

/* ════════════════════════════════════════
   21. CTA BANNER
════════════════════════════════════════ */
#cta {
  background: linear-gradient(135deg, #0B1D38 0%, #0F2548 100%);
  padding: 80px 0; position: relative; overflow: hidden;
}
.cta-inner { text-align: center; position: relative; z-index: 2; }
.cta-inner h2 { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 300; margin-bottom: 16px; }
.cta-inner h2 strong { font-weight: 700; font-style: italic; color: var(--sky); }
.cta-inner p { color: var(--muted); font-size: 1.05rem; margin-bottom: 36px; }
.cta-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.cta-orb {
  position: absolute; width: 400px; height: 400px; border-radius: 50%;
  filter: blur(100px); pointer-events: none;
  background: rgba(58,191,248,0.08);
  top: 50%; left: 50%; transform: translate(-50%,-50%);
}

/* ════════════════════════════════════════
   22. FOOTER
════════════════════════════════════════ */
footer { background: var(--navy); border-top: 1px solid var(--border); padding: 64px 0 0; }
.footer-top {
  display: grid; grid-template-columns: 2fr auto; gap: 48px;
  padding-bottom: 48px; border-bottom: 1px solid var(--border);
}
.footer-brand { max-width: 280px; }
.footer-brand img { width: 50px; height: 50px; object-fit: contain; border-radius: 10px; margin-bottom: 16px; }
.footer-brand p { font-size: 0.85rem; color: var(--muted); line-height: 1.7; margin-bottom: 20px; }
#footer-social { display: flex; gap: 8px; }
.social-btn {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; color: var(--muted); font-size: 0.8rem;
  transition: var(--transition);
}
.social-btn:hover { background: var(--sky-dim); border-color: var(--border-bright); color: var(--sky); }
#footer-cols {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px;
}
#footer-cols h4 {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(255,255,255,0.4); margin-bottom: 18px;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 0.875rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--white); }
.footer-bottom {
  padding: 20px 0; display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
}
.footer-bottom-text { font-size: 0.75rem; color: rgba(255,255,255,0.3); }
.footer-bottom-brand { font-family: var(--font-brand); color: var(--sky); font-size: 0.8rem; }
@media (max-width: 860px) {
  .footer-top { grid-template-columns: 1fr; }
  #footer-cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
  #footer-cols { grid-template-columns: 1fr; }
}

/* ════════════════════════════════════════
   23. KEYFRAME ANIMATIONS
════════════════════════════════════════ */
@keyframes float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}
@keyframes pulse {
  0%,100% { opacity: 0.6; transform: scale(1); }
  50%     { opacity: 1;   transform: scale(1.05); }
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes scrollAnim {
  0%,100% { opacity: 0.3; transform: scaleY(0.7); }
  50%     { opacity: 1;   transform: scaleY(1); }
}

/* ════════════════════════════════════════
   24. RESPONSIVE — global
════════════════════════════════════════ */
@media (max-width: 600px) {
  .section     { padding: 64px 0; }
  .section-sm  { padding: 40px 0; }
}