/* ==========================================================
   THE GREAT INDIAN GURUKUL — MAIN STYLESHEET
   Font: DM Sans | Professional Educational Design
   ========================================================== */

/* ---------- CSS VARIABLES ---------- */
:root {
  /* Brand Colors */
  --primary:     #0A1628;
  --primary-mid: #0D2045;
  --accent:      #E8631A;
  --accent-light:#FF7A35;
  --accent-glow: rgba(232,99,26,.18);
  --gold:        #F5A623;
  --gold-light:  rgba(245,166,35,.15);

  /* Neutrals */
  --white:       #FFFFFF;
  --off-white:   #F8F9FC;
  --border:      rgba(255,255,255,.1);
  --border-dark: rgba(10,22,40,.12);
  --muted:       #6B7280;
  --text-dark:   #0A1628;
  --text-mid:    #374151;
  --text-light:  #9CA3AF;

  /* Sections */
  --bg-dark:     #070E1D;
  --bg-dark2:    #0D1929;
  --bg-light:    #FFFFFF;
  --bg-off:      #F4F6FB;

  /* Typography */
  --font:        'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --section-gap: 96px;
  --container:   1200px;
  --radius:      14px;
  --radius-lg:   22px;
  --radius-xl:   32px;

  /* Shadows */
  --shadow-sm:  0 2px 8px rgba(10,22,40,.08);
  --shadow-md:  0 8px 32px rgba(10,22,40,.12);
  --shadow-lg:  0 20px 60px rgba(10,22,40,.18);
  --shadow-accent: 0 8px 32px rgba(232,99,26,.3);

  /* Transitions */
  --transition: all .3s cubic-bezier(.4,0,.2,1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }

/* ---------- CONTAINER ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 100px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -.01em;
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.15);
  opacity: 0;
  transition: opacity .2s;
}
.btn:hover::before { opacity: 1; }
.btn:active { transform: scale(.97); }

.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: var(--shadow-accent);
}
.btn-primary:hover {
  background: var(--accent-light);
  box-shadow: 0 12px 40px rgba(232,99,26,.4);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}
.btn-outline:hover {
  background: var(--accent-glow);
  transform: translateY(-2px);
}

.btn-wa {
  background: #25D366;
  color: var(--white);
  box-shadow: 0 8px 28px rgba(37,211,102,.3);
}
.btn-wa:hover {
  background: #20BE5C;
  transform: translateY(-2px);
}

.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-large { padding: 16px 32px; font-size: 17px; }
.btn-arrow { display: inline-block; transition: transform .3s; }
.btn:hover .btn-arrow { transform: translateX(4px); }
.w-full { width: 100%; justify-content: center; }

/* ---------- REVEAL ANIMATIONS ---------- */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s cubic-bezier(.4,0,.2,1), transform .7s cubic-bezier(.4,0,.2,1);
}
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.revealed {
  opacity: 1 !important;
  transform: none !important;
}

/* ---------- SECTION HEADER ---------- */
.section { padding: var(--section-gap) 0; }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-label::before {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}
.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.03em;
  margin-bottom: 16px;
  color: var(--text-dark);
}
.section-header p {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.7;
}

/* ---------- NAVIGATION ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background .4s, box-shadow .4s, backdrop-filter .4s;
  padding: 0;
}
.site-header.scrolled {
  background: rgba(7,14,29,.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 32px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo-text strong {
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -.02em;
}
.logo-text small {
  font-size: 10px;
  color: rgba(255,255,255,.5);
  letter-spacing: .05em;
  text-transform: uppercase;
}
.main-nav ul {
  display: flex;
  gap: 4px;
}
.main-nav a {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,.75);
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
}
.main-nav a:hover {
  color: var(--white);
  background: rgba(255,255,255,.08);
}
.nav-actions { display: flex; align-items: center; gap: 12px; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(7,14,29,.97);
  backdrop-filter: blur(20px);
  padding: 20px 0 32px;
  transform: translateY(-110%);
  transition: transform .4s cubic-bezier(.4,0,.2,1);
  z-index: 999;
  border-top: 1px solid rgba(255,255,255,.08);
}
.mobile-menu.open {
  transform: translateY(0);
  display: block;
}
.mobile-menu ul { padding: 0 24px; }
.mob-link {
  display: block;
  padding: 14px 0;
  font-size: 16px;
  font-weight: 500;
  color: rgba(255,255,255,.8);
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: color .2s;
}
.mob-link:hover { color: var(--accent); }
.mob-wa { color: #25D366 !important; font-weight: 600; }

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}
.orb1 { width: 600px; height: 600px; background: rgba(232,99,26,.12); top: -200px; right: -100px; }
.orb2 { width: 400px; height: 400px; background: rgba(13,32,69,.8); bottom: -100px; left: -100px; }
.orb3 { width: 300px; height: 300px; background: rgba(245,166,35,.08); top: 50%; left: 50%; transform: translate(-50%,-50%); }

.hero-inner {
  position: relative;
  z-index: 2;
  padding: 80px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.7);
  font-size: 13px;
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}
.badge-dot {
  width: 7px; height: 7px;
  background: #22C55E;
  border-radius: 50%;
  animation: blink 2s infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }

.hero-title {
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -.05em;
  color: var(--white);
  margin-bottom: 24px;
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.65);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 36px;
  font-weight: 400;
}
.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 56px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  justify-content: center;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  padding: 20px 32px;
  backdrop-filter: blur(10px);
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 28px;
}
.stat strong {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -.03em;
}
.stat span {
  font-size: 11px;
  color: rgba(255,255,255,.45);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 500;
}
.stat-div {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,.12);
}
.hero-scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.3);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  z-index: 2;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,.3), transparent);
  animation: scrollPulse 2s infinite;
}
@keyframes scrollPulse {
  0%,100%{opacity:.5;transform:scaleY(1)} 50%{opacity:1;transform:scaleY(1.2)}
}

/* ---------- WHAT IS SECTION ---------- */
.what-is { background: var(--bg-off); }
.what-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.what-card {
  background: var(--white);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.what-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s cubic-bezier(.4,0,.2,1);
}
.what-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }
.what-card:hover::before { transform: scaleX(1); }
.what-icon { font-size: 2.5rem; margin-bottom: 16px; }
.what-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; color: var(--text-dark); letter-spacing: -.02em; }
.what-card p { font-size: 14px; color: var(--muted); line-height: 1.6; }

/* ---------- MODULES SECTION ---------- */
.modules { background: var(--bg-dark); }
.modules .section-header h2 { color: var(--white); }
.modules .section-header p { color: rgba(255,255,255,.5); }
.modules-tabs {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.tab-btn {
  padding: 10px 22px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,.55);
  border: 1px solid rgba(255,255,255,.12);
  transition: var(--transition);
  font-family: var(--font);
}
.tab-btn:hover { color: var(--white); border-color: rgba(255,255,255,.3); }
.tab-btn.active {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
  box-shadow: var(--shadow-accent);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.module-card {
  display: flex;
  gap: 16px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 22px;
  transition: var(--transition);
}
.module-card:hover {
  background: rgba(255,255,255,.07);
  border-color: rgba(232,99,26,.3);
  transform: translateY(-3px);
}
.free-card { border-color: rgba(34,197,94,.15); }
.free-card:hover { border-color: rgba(34,197,94,.4); }
.mod-icon { font-size: 1.8rem; flex-shrink: 0; }
.mod-body h4 { font-size: .95rem; font-weight: 700; color: var(--white); margin-bottom: 6px; letter-spacing: -.01em; }
.mod-body p { font-size: 13px; color: rgba(255,255,255,.45); line-height: 1.55; }
.mod-price {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 3px 10px;
  border-radius: 100px;
}
.mod-price.free { color: #22C55E; background: rgba(34,197,94,.1); }

/* ---------- ION AI SECTION ---------- */
.ion-ai { background: var(--bg-off); overflow: hidden; }
.ion-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.ion-text .section-header { text-align: left; margin: 0 0 24px; }
.ion-text h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.04em;
  margin-bottom: 16px;
}
.ion-text > p { font-size: 16px; color: var(--muted); line-height: 1.7; margin-bottom: 28px; }
.ion-features { margin-bottom: 32px; }
.ion-features li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14.5px;
  color: var(--text-mid);
  padding: 7px 0;
  border-bottom: 1px solid rgba(0,0,0,.05);
}
.check {
  font-size: 13px;
  font-weight: 800;
  color: var(--white);
  background: var(--accent);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}
.ion-price-block {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.ion-tier {
  background: var(--white);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  padding: 14px 22px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.ion-tier strong { font-size: 13px; font-weight: 700; color: var(--text-dark); }
.ion-tier span { font-size: 17px; font-weight: 800; color: var(--accent); letter-spacing: -.02em; }

/* Chat Demo */
.ion-chat-demo {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--border-dark);
}
.chat-header {
  background: var(--primary);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.chat-avatar {
  width: 38px; height: 38px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  color: var(--white);
}
.chat-info strong { color: var(--white); font-size: 14px; font-weight: 700; display: block; }
.chat-info { font-size: 12px; color: rgba(255,255,255,.5); display: flex; align-items: center; gap: 6px; }
.online-dot { width: 7px; height: 7px; background: #22C55E; border-radius: 50%; animation: blink 2s infinite; }
.chat-messages { padding: 20px; display: flex; flex-direction: column; gap: 12px; background: #F8F9FC; }
.msg {
  max-width: 82%;
  padding: 11px 16px;
  border-radius: 16px;
  font-size: 13.5px;
  line-height: 1.5;
}
.msg.student {
  align-self: flex-end;
  background: var(--primary);
  color: var(--white);
  border-bottom-right-radius: 4px;
}
.msg.bot {
  align-self: flex-start;
  background: var(--white);
  color: var(--text-dark);
  border-bottom-left-radius: 4px;
  border: 1px solid rgba(0,0,0,.06);
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.bot-name {
  display: block;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.chat-input-demo {
  padding: 14px 20px;
  background: var(--white);
  border-top: 1px solid var(--border-dark);
  font-size: 13px;
  color: var(--text-light);
  display: flex;
  align-items: center;
}

/* ---------- PRICING SECTION ---------- */
.pricing { background: var(--bg-off); }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}
.pricing-card {
  background: var(--white);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.pricing-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }
.pricing-card.featured {
  background: var(--primary);
  border-color: transparent;
  box-shadow: 0 20px 60px rgba(10,22,40,.3);
}
.featured-ribbon {
  position: absolute;
  top: 20px; right: -28px;
  background: var(--accent);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  padding: 5px 32px;
  transform: rotate(45deg);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.plan-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.plan-icon { font-size: 2.5rem; margin-bottom: 14px; }
.pricing-card h3 {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -.03em;
  margin-bottom: 8px;
}
.pricing-card.featured h3 { color: var(--white); }
.plan-desc { font-size: 13.5px; color: var(--muted); margin-bottom: 24px; line-height: 1.5; }
.pricing-card.featured .plan-desc { color: rgba(255,255,255,.55); }
.plan-price { margin-bottom: 24px; }
.price-promo {
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: -.05em;
  color: var(--accent);
  display: block;
  line-height: 1;
}
.pricing-card.featured .price-promo { color: var(--accent-light); }
.price-orig {
  font-size: 14px;
  color: var(--muted);
  text-decoration: line-through;
  margin-right: 8px;
}
.pricing-card.featured .price-orig { color: rgba(255,255,255,.3); }
.price-note { font-size: 12px; color: var(--muted); }
.pricing-card.featured .price-note { color: rgba(255,255,255,.4); }
.plan-features {
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.plan-features li {
  font-size: 13.5px;
  color: var(--text-mid);
  padding: 6px 0;
  border-bottom: 1px solid rgba(0,0,0,.05);
  display: flex;
  gap: 6px;
}
.pricing-card.featured .plan-features li { color: rgba(255,255,255,.7); border-color: rgba(255,255,255,.06); }

/* Identity Compare */
.identity-compare {
  background: var(--white);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-xl);
  padding: 40px;
}
.identity-compare h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 24px; letter-spacing: -.03em; }
.compare-table-wrap { overflow-x: auto; }
.compare-table { width: 100%; border-collapse: collapse; }
.compare-table th, .compare-table td {
  padding: 13px 18px;
  text-align: center;
  font-size: 14px;
  border-bottom: 1px solid var(--border-dark);
}
.compare-table th:first-child, .compare-table td:first-child { text-align: left; }
.compare-table th {
  font-weight: 700;
  color: var(--text-dark);
  background: var(--bg-off);
  font-size: 13px;
  letter-spacing: .02em;
}
.helix-col { background: rgba(232,99,26,.04); color: var(--accent); font-weight: 600; }
.compare-table th.helix-col { color: var(--accent); }
.compare-table tr:hover td { background: rgba(0,0,0,.01); }

/* ---------- STAGES SECTION ---------- */
.stages { background: var(--bg-dark); }
.stages .section-header h2 { color: var(--white); }
.stages .section-header p { color: rgba(255,255,255,.5); }
.stages-track {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 0;
}
.stage {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: center;
  transition: var(--transition);
}
.stage:hover {
  background: rgba(255,255,255,.07);
  border-color: rgba(232,99,26,.3);
  transform: translateY(-4px);
}
.stage-num {
  width: 48px; height: 48px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--white);
  margin: 0 auto 16px;
  box-shadow: var(--shadow-accent);
}
.stage-content h4 { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 8px; letter-spacing: -.02em; }
.stage-content p { font-size: 13px; color: rgba(255,255,255,.45); line-height: 1.55; }
.stage-arrow {
  font-size: 1.4rem;
  color: rgba(232,99,26,.5);
  align-self: center;
  padding: 0 8px;
  margin-top: -20px;
}

/* ---------- TECH SECTION ---------- */
.tech { background: var(--bg-off); overflow: hidden; }
.tech-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.tech-text h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.04em;
  margin-bottom: 14px;
}
.tech-text > p { font-size: 16px; color: var(--muted); line-height: 1.7; margin-bottom: 32px; }
.tech-points { display: flex; flex-direction: column; gap: 24px; }
.tech-point { display: flex; gap: 18px; align-items: flex-start; }
.tp-icon {
  font-size: 1.6rem;
  width: 52px; height: 52px;
  background: var(--white);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.tech-point strong { font-size: 15px; font-weight: 700; color: var(--text-dark); display: block; margin-bottom: 4px; }
.tech-point p { font-size: 13.5px; color: var(--muted); line-height: 1.55; }

/* Tech Diagram */
.tech-diagram {
  position: relative;
  width: 300px;
  height: 300px;
  margin: 0 auto;
}
.td-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 90px; height: 90px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  color: var(--white);
  text-align: center;
  line-height: 1.3;
  z-index: 2;
  box-shadow: 0 0 0 8px rgba(10,22,40,.08);
}
.td-node {
  position: absolute;
  width: 58px; height: 58px;
  background: var(--white);
  border: 2px solid var(--border-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  box-shadow: var(--shadow-sm);
  animation: orbitPulse 3s infinite ease-in-out;
}
.td-node.n1 { top: 5px; left: 50%; transform: translateX(-50%); animation-delay: 0s; }
.td-node.n2 { top: 68px; right: -12px; animation-delay: .5s; }
.td-node.n3 { bottom: 68px; right: -12px; animation-delay: 1s; }
.td-node.n4 { bottom: 5px; left: 50%; transform: translateX(-50%); animation-delay: 1.5s; }
.td-node.n5 { bottom: 68px; left: -12px; animation-delay: 2s; }
.td-node.n6 { top: 68px; left: -12px; animation-delay: 2.5s; }
.td-lines { position: absolute; inset: 0; width: 100%; height: 100%; }
@keyframes orbitPulse { 0%,100%{transform:scale(1) translateX(0)} 50%{transform:scale(1.08) translateX(0)} }
.n1, .n4 { animation: orbitPulseCenter 3s infinite ease-in-out; }
@keyframes orbitPulseCenter { 0%,100%{transform:translateX(-50%) scale(1)} 50%{transform:translateX(-50%) scale(1.08)} }

/* ---------- CTA SECTION ---------- */
.cta-section { background: var(--bg-dark); }
.cta-inner {
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
  position: relative;
  padding: 64px 40px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.cta-glow {
  position: absolute;
  top: -120px; left: 50%;
  transform: translateX(-50%);
  width: 400px; height: 300px;
  background: radial-gradient(ellipse, rgba(232,99,26,.2) 0%, transparent 70%);
  pointer-events: none;
}
.cta-inner .section-label { margin-bottom: 14px; }
.cta-inner h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--white);
  letter-spacing: -.04em;
  margin-bottom: 16px;
  line-height: 1.15;
}
.cta-inner > p { color: rgba(255,255,255,.55); font-size: 16px; line-height: 1.7; margin-bottom: 32px; }
.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 20px; }
.cta-links { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-links a {
  font-size: 13px;
  color: rgba(255,255,255,.4);
  transition: color .2s;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.cta-links a:hover { color: var(--accent); }
.cta-links span { color: rgba(255,255,255,.2); }

/* ---------- FOOTER ---------- */
.site-footer {
  background: var(--bg-dark);
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  margin-bottom: 32px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: 13.5px; color: rgba(255,255,255,.4); line-height: 1.7; max-width: 300px; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px; height: 36px;
  background: rgba(255,255,255,.06);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.55);
  font-size: 14px;
  transition: var(--transition);
}
.footer-social a:hover { background: var(--accent); color: var(--white); }
.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 13.5px; color: rgba(255,255,255,.45); transition: color .2s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,.3); }
.footer-bottom a { color: var(--accent); }
.footer-bottom-links { display: flex; gap: 16px; }
.footer-bottom-links a { font-size: 12px; color: rgba(255,255,255,.3); transition: color .2s; }
.footer-bottom-links a:hover { color: var(--white); }

/* ---------- FLOATING WA BUTTON ---------- */
.wa-float {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 58px; height: 58px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  box-shadow: 0 8px 28px rgba(37,211,102,.45);
  z-index: 998;
  transition: transform .3s, box-shadow .3s;
}
.wa-float:hover { transform: scale(1.1); box-shadow: 0 12px 40px rgba(37,211,102,.6); }
.wa-pulse {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid rgba(37,211,102,.4);
  animation: pulsering 2s infinite;
}
@keyframes pulsering { 0%{opacity:1;transform:scale(1)} 100%{opacity:0;transform:scale(1.6)} }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .what-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr 1fr; }
  .pricing-grid .pricing-card:last-child { grid-column: 1/-1; max-width: 480px; margin: 0 auto; width: 100%; }
  .ion-inner, .tech-inner { grid-template-columns: 1fr; gap: 40px; }
  .tech-diagram { max-width: 280px; }
  .stages-track {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .stage-arrow { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --section-gap: 64px; }
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: block; }
  .hero-stats { padding: 16px 20px; }
  .stat { padding: 0 14px; }
  .what-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-grid .pricing-card:last-child { max-width: 100%; }
  .ion-inner { grid-template-columns: 1fr; }
  .tech-inner { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .identity-compare { padding: 24px 16px; }
  .cta-inner { padding: 40px 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; align-items: center; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .hero-stats { flex-direction: column; gap: 12px; }
  .stat-div { width: 60px; height: 1px; }
  .cta-buttons { flex-direction: column; }
  .cta-buttons .btn { width: 100%; justify-content: center; }
  .modules-tabs { gap: 6px; }
  .tab-btn { padding: 8px 16px; font-size: 13px; }
}

/* Print */
@media print {
  .site-header, .wa-float, .hero-scroll-indicator { display: none; }
  body { background: white; color: black; }
  .section { padding: 24px 0; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal-up, .reveal-left, .reveal-right { opacity: 1; transform: none; }
}