/* ═══════════════════════════════════════════════════════════
   INCRIPT — Main Stylesheet  |  style.css
═══════════════════════════════════════════════════════════ */

/* ── 1. CSS VARIABLES ─────────────────────────────────── */
:root {
  --navy:         #0B1D35;
  --navy-light:   #132540;
  --blue:         #1A5CFF;
  --blue-dark:    #1448CC;
  --teal:         #00C2CB;
  --gradient:     linear-gradient(135deg, #1A5CFF 0%, #00C2CB 100%);
  --text:         #1C2B3A;
  --muted:        #64748B;
  --light-bg:     #F5F7FA;
  --border:       #E2E8F0;
  --white:        #FFFFFF;
  --shadow-sm:    0 1px 4px rgba(0,0,0,0.07);
  --shadow-md:    0 4px 20px rgba(0,0,0,0.09);
  --shadow-lg:    0 8px 40px rgba(0,0,0,0.13);
  --shadow-blue:  0 8px 32px rgba(26,92,255,0.25);
  --radius:       12px;
  --radius-lg:    20px;
  --transition:   all 0.28s cubic-bezier(0.4,0,0.2,1);
  --ease-spring:  cubic-bezier(0.34,1.56,0.64,1);
}

/* ── 2. RESET & BASE ──────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  color: var(--text); background: var(--white);
  line-height: 1.6; overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── 3. KEYFRAMES ─────────────────────────────────────── */
@keyframes fadeUp    { from{opacity:0;transform:translateY(40px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeIn    { from{opacity:0} to{opacity:1} }
@keyframes slideLeft { from{opacity:0;transform:translateX(-50px)} to{opacity:1;transform:translateX(0)} }
@keyframes slideRight{ from{opacity:0;transform:translateX(50px)}  to{opacity:1;transform:translateX(0)} }
@keyframes scaleIn   { from{opacity:0;transform:scale(0.85)} to{opacity:1;transform:scale(1)} }
@keyframes pulseGlow {
  0%,100%{ opacity:1; transform:scale(1); box-shadow:0 0 0 0 rgba(0,194,203,.5); }
  50%    { opacity:.7; transform:scale(1.3); box-shadow:0 0 0 6px rgba(0,194,203,0); }
}
@keyframes float     { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }
@keyframes gradientShift { 0%{background-position:0 50%} 50%{background-position:100% 50%} 100%{background-position:0 50%} }
@keyframes shimmer   { 0%{background-position:-400px 0} 100%{background-position:400px 0} }
@keyframes barFill   { from{width:0} }
@keyframes ripple    { to{transform:scale(4);opacity:0} }
@keyframes lineFill  { from{width:0} to{width:100%} }
@keyframes badgePop  { 0%{opacity:0;transform:scale(.5) translateY(20px)} 60%{transform:scale(1.08) translateY(-4px)} 100%{opacity:1;transform:scale(1) translateY(0)} }

/* ── 4. SCROLL REVEAL ─────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity .7s cubic-bezier(.4,0,.2,1), transform .7s cubic-bezier(.4,0,.2,1);
}
.reveal.from-left  { transform: translateX(-50px); }
.reveal.from-right { transform: translateX(50px); }
.reveal.from-scale { transform: scale(0.88); }
.reveal.visible    { opacity:1; transform:translateY(0) translateX(0) scale(1); }
.reveal-delay-1 { transition-delay:.1s }
.reveal-delay-2 { transition-delay:.2s }
.reveal-delay-3 { transition-delay:.3s }
.reveal-delay-4 { transition-delay:.4s }
.reveal-delay-5 { transition-delay:.5s }
.reveal-delay-6 { transition-delay:.6s }

/* ── 5. TYPOGRAPHY & LAYOUT ───────────────────────────── */
.section-label {
  display: inline-block; font-size:.75rem; font-weight:700;
  letter-spacing:.14em; text-transform:uppercase; color:var(--blue);
  background:rgba(26,92,255,.08); padding:5px 15px; border-radius:50px;
  margin-bottom:14px; border:1px solid rgba(26,92,255,.15);
}
.section-title {
  font-size: clamp(1.7rem,3vw,2.45rem); font-weight:800; line-height:1.18;
  color:var(--text); margin-bottom:16px; letter-spacing:-.025em;
}
.section-sub {
  font-size:1.02rem; color:var(--muted); max-width:640px;
  margin:0 auto 52px; line-height:1.75;
}
.section-center { text-align:center; }
.container { max-width:1180px; margin:0 auto; padding:0 24px; }
section { padding:96px 0; }

/* ── 6. BUTTONS ───────────────────────────────────────── */
.btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:12px 24px; border-radius:9px; font-size:.93rem; font-weight:600;
  cursor:pointer; border:none; transition:var(--transition);
  white-space:nowrap; text-decoration:none; position:relative; overflow:hidden;
}
.btn .ripple-circle {
  position:absolute; border-radius:50%; background:rgba(255,255,255,.3);
  width:10px; height:10px; transform:scale(0); animation:ripple .6s linear;
  pointer-events:none;
}
.btn-primary { background:var(--gradient); color:var(--white); box-shadow:var(--shadow-blue); }
.btn-primary:hover { box-shadow:0 10px 40px rgba(26,92,255,.45); transform:translateY(-2px); }
.btn-outline { background:transparent; color:var(--white); border:2px solid rgba(255,255,255,.4); }
.btn-outline:hover { border-color:var(--white); background:rgba(255,255,255,.08); transform:translateY(-2px); }
.btn-outline-dark { background:transparent; color:var(--blue); border:2px solid var(--blue); }
.btn-outline-dark:hover { background:var(--blue); color:var(--white); transform:translateY(-2px); }
.btn-white { background:var(--white); color:var(--blue); box-shadow:0 4px 16px rgba(0,0,0,.12); }
.btn-white:hover { box-shadow:0 8px 28px rgba(0,0,0,.18); transform:translateY(-2px); }
.btn-sm { padding:9px 18px; font-size:.85rem; }
.btn-lg { padding:16px 34px; font-size:1.05rem; }

/* ══════════════════════════════════════════════════════
   7. SINGLE-ROW STICKY HEADER
══════════════════════════════════════════════════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(180deg, rgba(11,29,53,1) 0%, rgba(11,29,53,.98) 100%);
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: box-shadow .3s ease, background .3s ease, border-color .3s ease;
}
/* Glowing accent line at the very bottom of the header */
.site-header::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(0,194,203,.5) 35%, rgba(26,92,255,.6) 65%, transparent 100%);
  opacity: 0; transition: opacity .4s ease;
}
.site-header.scrolled::after { opacity: 1; }
.site-header.scrolled {
  box-shadow: 0 8px 40px rgba(0,0,0,.4);
  background: rgba(11,29,53,.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: rgba(255,255,255,.09);
}
.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  height: 68px;
}

/* Logo — image only (no text) */
.logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; flex-shrink: 0;
}
.logo img { height: 42px; width: auto; transition: transform .35s var(--ease-spring), filter .3s ease; }
.logo:hover img { transform: scale(1.07); filter: drop-shadow(0 0 10px rgba(0,194,203,.45)); }
.logo-text { font-size:1.45rem; font-weight:800; color:var(--white); letter-spacing:-.03em; }
.logo-text span { color:var(--teal); }

/* Nav links — centre-fill */
.main-nav { flex: 1; display: flex; justify-content: center; }
.nav-links {
  display: flex; align-items: center; gap: 2px; list-style: none;
}
.nav-links a {
  display: block; padding: 6px 12px; line-height: 1;
  font-size: .82rem; font-weight: 500;
  color: rgba(255,255,255,.65);
  transition: color .2s ease, background .2s ease; white-space: nowrap;
  position: relative; border-radius: 6px;
}
.nav-links a:hover {
  color: var(--white);
  background: rgba(255,255,255,.07);
}
.nav-links a::after {
  content:''; position:absolute; bottom:-2px; left:12px; right:12px;
  height:2px; background: linear-gradient(90deg, var(--blue), var(--teal));
  border-radius:2px;
  transform:scaleX(0); transform-origin:center; transition:transform .25s ease;
}
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.active {
  color: var(--teal);
  background: rgba(0,194,203,.08);
}
.nav-links a.active::after { transform: scaleX(1); }

/* Right-side actions */
.header-actions {
  display: flex; align-items: center; gap: 8px; flex-shrink: 0;
}
.nav-refer {
  font-size: .79rem; font-weight: 700; color: var(--teal);
  padding: 6px 12px; white-space: nowrap;
  border-radius: 6px; border: 1px solid rgba(0,194,203,.25);
  transition: all .2s ease; background: rgba(0,194,203,.05);
}
.nav-refer:hover { color: #fff; background: rgba(0,194,203,.18); border-color: var(--teal); }
.btn-login {
  padding: 8px 18px; border-radius: 8px;
  font-size: .83rem; font-weight: 600;
  color: rgba(255,255,255,.85); border: 1.5px solid rgba(255,255,255,.22);
  background: transparent; cursor: pointer;
  transition: var(--transition); text-decoration: none; display: inline-block;
}
.btn-login:hover { border-color: rgba(255,255,255,.6); color: var(--white); background: rgba(255,255,255,.07); }
.btn-demo {
  padding: 8px 18px; border-radius: 8px;
  font-size: .83rem; font-weight: 600;
  color: var(--white); background: var(--gradient);
  border: none; cursor: pointer;
  transition: var(--transition); text-decoration: none; display: inline-block;
  box-shadow: 0 2px 14px rgba(26,92,255,.45);
}
.btn-demo:hover { box-shadow: 0 6px 24px rgba(26,92,255,.65); transform: translateY(-1px); }

/* Hamburger */
.hamburger {
  display: none; background: none; border: 1.5px solid rgba(255,255,255,.18);
  cursor: pointer; padding: 8px 9px; flex-direction: column; gap: 5px;
  border-radius: 8px; transition: border-color .2s;
}
.hamburger:hover { border-color: rgba(255,255,255,.45); }
.hamburger span {
  display: block; width: 20px; height: 2px;
  background: var(--white); border-radius: 2px; transition: var(--transition);
}
.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); }

/* ── 8. MOBILE DRAWER ─────────────────────────────────── */
.mobile-nav {
  display: flex;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;   /* explicit full-screen — no inset shorthand */
  z-index: 999;
  background: rgba(8,22,44,.99);
  padding: 70px 28px 48px;
  flex-direction: column;
  gap: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;        /* smooth scroll on iOS */
  transform: translateX(100%);
  visibility: hidden;
  transition: transform .35s cubic-bezier(.4,0,.2,1), visibility .35s;
}
.mobile-nav.open { transform: translateX(0); visibility: visible; }

.mobile-nav > a {
  padding: 15px 0; font-size: 1rem; font-weight: 500;
  color: rgba(255,255,255,.75);
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: color .2s, padding-left .2s;
  display: flex; align-items: center; justify-content: space-between;
  text-decoration: none;
}
.mobile-nav > a::after { content:'›'; font-size:1.2rem; color:var(--teal); opacity:0; transition:opacity .2s; }
.mobile-nav > a:hover { color: var(--white); padding-left: 8px; }
.mobile-nav > a:hover::after { opacity: 1; }

.mobile-btns {
  display: flex; flex-direction: column; gap: 12px;
  margin-top: 32px; padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.09);
  flex-shrink: 0;
}
.mobile-btns .btn { justify-content: center; width: 100%; }

.mobile-close {
  position: absolute; top: 16px; right: 16px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
  color: var(--white); font-size: 1.1rem; cursor: pointer;
  padding: 8px 12px; transition: transform .2s, background .2s;
  line-height: 1; border-radius: 8px; z-index: 1;
}
.mobile-close:hover { transform: rotate(90deg); background: rgba(255,255,255,.15); }

/* ── 9. HERO ──────────────────────────────────────────── */
.hero {
  position: relative; min-height: 92vh;
  display: flex; align-items: center;
  overflow: hidden; padding: 80px 0 60px;
}
.hero-video-wrap { position: absolute; inset: 0; z-index: 0; }
.hero-video-wrap video { width:100%; height:100%; object-fit:cover; object-position:center; }
.hero-video-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg,rgba(11,29,53,.93) 0%,rgba(11,29,53,.80) 50%,rgba(11,29,53,.70) 100%);
}
.hero-grid-pattern {
  position:absolute; inset:0; z-index:1;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
                    linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size: 60px 60px; animation: fadeIn 2s ease both;
}
.hero-orb { position:absolute; border-radius:50%; filter:blur(80px); pointer-events:none; z-index:1; animation:float 8s ease-in-out infinite; }
.hero-orb-1 { width:500px; height:500px; background:radial-gradient(circle,rgba(26,92,255,.22) 0%,transparent 70%); top:-100px; right:-100px; }
.hero-orb-2 { width:350px; height:350px; background:radial-gradient(circle,rgba(0,194,203,.18) 0%,transparent 70%); bottom:-50px; left:10%; animation-delay:-3s; }
.hero-inner { position:relative; z-index:2; display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.hero-label {
  display:inline-flex; align-items:center; gap:8px; font-size:.78rem; font-weight:700;
  letter-spacing:.12em; text-transform:uppercase; color:var(--teal);
  background:rgba(0,194,203,.1); padding:6px 16px; border-radius:50px; margin-bottom:22px;
  border:1px solid rgba(0,194,203,.25); animation: slideLeft .8s .2s both;
}
.hero-live-dot { width:8px; height:8px; background:var(--teal); border-radius:50%; animation: pulseGlow 2s ease-in-out infinite; }
.hero h1 { font-size:clamp(2.4rem,5vw,3.7rem); font-weight:800; line-height:1.08; color:var(--white); margin-bottom:20px; letter-spacing:-.035em; animation: fadeUp .8s .35s both; }
.hero h1 .divider { color:var(--teal); margin:0 6px; opacity:.7; }
.hero h1 .word-highlight { background:var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.hero-sub  { font-size:1.15rem; color:rgba(255,255,255,.82); margin-bottom:14px; font-weight:500; animation: fadeUp .8s .5s both; }
.hero-desc { font-size:.97rem; color:rgba(255,255,255,.55); margin-bottom:36px; line-height:1.75; animation: fadeUp .8s .65s both; }
.hero-ctas { display:flex; gap:14px; flex-wrap:wrap; margin-bottom:48px; animation: fadeUp .8s .8s both; }
.hero-stats { display:flex; gap:36px; padding-top:28px; border-top:1px solid rgba(255,255,255,.1); animation: fadeUp .8s 1s both; }
.hero-stat-num { font-size:1.9rem; font-weight:800; color:var(--white); line-height:1; }
.hero-stat-num span { color:var(--teal); font-size:1.1rem; }
.hero-stat-label { font-size:.79rem; color:rgba(255,255,255,.45); margin-top:5px; font-weight:500; }
.hero-visual { position:relative; display:flex; align-items:center; justify-content:center; animation: slideRight .9s .4s both; }
.hero-card {
  background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-lg); padding:32px; width:100%;
  backdrop-filter:blur(16px); animation:float 6s ease-in-out infinite;
  box-shadow:0 20px 60px rgba(0,0,0,.3);
}
.hero-card-header { display:flex; align-items:center; gap:12px; margin-bottom:24px; padding-bottom:20px; border-bottom:1px solid rgba(255,255,255,.08); }
.hero-card-icon { width:46px; height:46px; background:var(--gradient); border-radius:11px; display:flex; align-items:center; justify-content:center; box-shadow:0 4px 14px rgba(26,92,255,.4); }
.hero-card-title { font-size:.97rem; font-weight:700; color:var(--white); }
.hero-card-sub   { font-size:.77rem; color:rgba(255,255,255,.4); margin-top:2px; }
.hero-step-list  { display:flex; flex-direction:column; gap:12px; }
.hero-step { display:flex; align-items:center; gap:14px; padding:13px 16px; background:rgba(255,255,255,.04); border-radius:10px; border:1px solid rgba(255,255,255,.07); transition:var(--transition); }
.hero-step:hover { background:rgba(255,255,255,.08); border-color:rgba(0,194,203,.25); transform:translateX(4px); }
.hero-step-num  { width:30px; height:30px; min-width:30px; background:var(--gradient); border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:.77rem; font-weight:800; color:var(--white); }
.hero-step-text { font-size:.84rem; font-weight:500; color:rgba(255,255,255,.8); }
.hero-step-check { margin-left:auto; width:18px; height:18px; color:var(--teal); flex-shrink:0; }
.hero-badge { position:absolute; bottom:-18px; left:-22px; background:var(--white); border-radius:14px; padding:12px 18px; display:flex; align-items:center; gap:12px; box-shadow:0 12px 40px rgba(0,0,0,.22); animation: badgePop .8s 1.2s both; }
.hero-badge-icon { width:40px; height:40px; background:rgba(0,194,203,.1); border-radius:10px; display:flex; align-items:center; justify-content:center; color:var(--teal); }
.hero-badge-text { font-size:.82rem; font-weight:700; color:var(--text); }
.hero-badge-sub  { font-size:.72rem; color:var(--muted); }
.scroll-cue {
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
  z-index:2; display:flex; flex-direction:column; align-items:center; gap:8px;
  animation: fadeIn 1.2s 1.8s both; cursor:pointer; text-decoration:none;
  transition: opacity .2s;
}
.scroll-cue:hover { opacity:.75; }
.scroll-cue span { font-size:.68rem; font-weight:600; letter-spacing:.12em; color:rgba(255,255,255,.4); text-transform:uppercase; }
.scroll-arrow {
  width:34px; height:34px;
  border:1.5px solid rgba(255,255,255,.35); border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  animation:floatArrow 1.8s ease-in-out infinite;
  background: rgba(255,255,255,.05);
  transition: border-color .2s, background .2s;
}
.scroll-cue:hover .scroll-arrow { border-color:var(--teal); background:rgba(0,194,203,.12); }
.scroll-arrow svg { color:rgba(255,255,255,.6); }
@keyframes floatArrow { 0%,100%{transform:translateY(0)} 50%{transform:translateY(6px)} }

/* ── 10. ABOUT ────────────────────────────────────────── */
#about { background:var(--white); }
.about-grid { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:start; }
.about-text h2 { text-align:left; }
.about-text p  { color:var(--muted); margin-bottom:18px; line-height:1.8; font-size:1rem; }
.about-highlights { display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-top:32px; }
.about-highlight { padding:18px 20px; background:var(--light-bg); border-radius:var(--radius); border-left:3px solid var(--blue); transition:var(--transition); }
.about-highlight:hover { background:rgba(26,92,255,.05); border-left-color:var(--teal); transform:translateX(4px); box-shadow:var(--shadow-sm); }
.about-highlight strong { display:block; font-size:.9rem; font-weight:700; color:var(--text); margin-bottom:3px; }
.about-highlight span   { font-size:.81rem; color:var(--muted); }
.about-side { display:flex; flex-direction:column; gap:20px; }
.about-card { background:var(--light-bg); border-radius:var(--radius-lg); padding:28px; border:1px solid var(--border); transition:var(--transition); }
.about-card:hover { box-shadow:var(--shadow-md); border-color:#d0d8e8; transform:translateY(-3px); }
.about-card h4 { font-size:1rem; font-weight:700; color:var(--text); margin-bottom:16px; display:flex; align-items:center; gap:10px; }
.about-card-icon-wrap { width:36px; height:36px; background:var(--gradient); border-radius:9px; display:flex; align-items:center; justify-content:center; flex-shrink:0; box-shadow:0 3px 10px rgba(26,92,255,.35); }
.about-card-icon-wrap img { width:20px; height:20px; object-fit:contain; filter:brightness(0) invert(1); }
.about-list { display:flex; flex-direction:column; gap:9px; }
.about-list li { display:flex; align-items:flex-start; gap:10px; font-size:.9rem; color:var(--muted); line-height:1.5; }
.about-list li::before { content:''; width:6px; height:6px; min-width:6px; background:var(--teal); border-radius:50%; margin-top:8px; }

/* ── 11. FEATURES ─────────────────────────────────────── */
#features { background:var(--light-bg); }
.features-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.feature-card { background:var(--white); border-radius:var(--radius-lg); padding:32px 28px; border:1px solid var(--border); box-shadow:var(--shadow-sm); transition:var(--transition); position:relative; overflow:hidden; cursor:default; }
.feature-card::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:var(--gradient); transform:scaleX(0); transform-origin:left; transition:transform .35s ease; }
.feature-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-md); border-color:#ccd3df; }
.feature-card:hover::before { transform:scaleX(1); }
.feature-card > * { position:relative; z-index:1; }
.feature-icon-wrap { width:62px; height:62px; background:rgba(26,92,255,.07); border-radius:16px; display:flex; align-items:center; justify-content:center; margin-bottom:20px; overflow:hidden; transition:var(--transition); }
.feature-card:hover .feature-icon-wrap { background:rgba(26,92,255,.12); transform:scale(1.07) rotate(-3deg); }
.feature-icon-wrap img { width:38px; height:38px; object-fit:contain; }
.feature-card h3 { font-size:1rem; font-weight:700; color:var(--text); margin-bottom:10px; }
.feature-card p  { font-size:.88rem; color:var(--muted); line-height:1.72; }
.feature-tag { display:inline-block; margin-top:16px; font-size:.73rem; font-weight:700; color:var(--blue); background:rgba(26,92,255,.07); padding:4px 12px; border-radius:50px; letter-spacing:.04em; }

/* ── 12. HOW IT WORKS ─────────────────────────────────── */
#how-it-works { background:var(--white); }
.steps-wrapper { position:relative; padding-top:20px; }
.steps-line { position:absolute; top:48px; left:calc(10% + 28px); right:calc(10% + 28px); height:2px; background:var(--border); z-index:0; }
.steps-line-fill { height:100%; width:0; background:var(--gradient); border-radius:1px; transition:width 1.5s cubic-bezier(.4,0,.2,1); }
.steps-line-fill.animated { width:100%; }
.steps-grid { display:grid; grid-template-columns:repeat(5,1fr); gap:24px; position:relative; z-index:1; }
.step-item { text-align:center; }
.step-circle-wrap { position:relative; width:62px; height:62px; margin:0 auto 20px; }
.step-circle { width:62px; height:62px; background:var(--white); border:3px solid var(--border); border-radius:50%; display:flex; align-items:center; justify-content:center; transition:var(--transition); position:relative; z-index:1; }
.step-circle img { width:32px; height:32px; object-fit:contain; }
.step-circle-num { position:absolute; bottom:-4px; right:-4px; width:24px; height:24px; background:var(--gradient); border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:.68rem; font-weight:800; color:var(--white); border:2px solid var(--white); z-index:2; }
.step-item:hover .step-circle { border-color:var(--teal); transform:scale(1.08); box-shadow:0 6px 20px rgba(0,194,203,.3); }
.step-item h4 { font-size:.92rem; font-weight:700; color:var(--text); margin-bottom:8px; line-height:1.3; }
.step-item p  { font-size:.81rem; color:var(--muted); line-height:1.65; }

/* ── 13. STUDENT REQUEST BAND ─────────────────────────── */
#request { background:var(--navy); padding:80px 0; position:relative; overflow:hidden; }
#request::before { content:''; position:absolute; inset:0; background:radial-gradient(ellipse 700px 400px at 80% 50%,rgba(26,92,255,.15) 0%,transparent 70%); pointer-events:none; }
.request-inner { display:flex; align-items:center; justify-content:space-between; gap:48px; flex-wrap:wrap; position:relative; z-index:1; }
.request-text { flex:1; min-width:280px; }
.request-text .section-label { color:var(--teal); background:rgba(0,194,203,.1); }
.request-text h2 { color:var(--white); text-align:left; }
.request-text p  { color:rgba(255,255,255,.6); font-size:1rem; margin-top:14px; line-height:1.75; }
.request-actions { display:flex; flex-direction:column; gap:12px; align-items:flex-start; flex-shrink:0; }
.request-note { font-size:.8rem; color:rgba(255,255,255,.4); }

/* ── 14. VIDEO SHOWCASE ───────────────────────────────── */
#video-showcase { background:var(--light-bg); padding:80px 0; }
.video-showcase-wrap { position:relative; border-radius:var(--radius-lg); overflow:hidden; box-shadow:0 24px 60px rgba(0,0,0,.18); background:var(--navy); }
.video-showcase-wrap video { width:100%; display:block; max-height:480px; object-fit:cover; }
.video-overlay-text { position:absolute; inset:0; background:linear-gradient(to right,rgba(11,29,53,.7) 0%,transparent 60%); display:flex; flex-direction:column; justify-content:center; padding:48px 56px; }
.video-overlay-text h3 { font-size:clamp(1.5rem,3vw,2.2rem); font-weight:800; color:var(--white); margin-bottom:14px; line-height:1.2; }
.video-overlay-text p  { font-size:1rem; color:rgba(255,255,255,.7); max-width:380px; margin-bottom:24px; }

/* ── 15. PRICING ──────────────────────────────────────── */
#pricing { background:var(--white); }
.pricing-grid { display:grid; grid-template-columns:repeat(5,1fr); gap:18px; margin-bottom:32px; }
.pricing-card { background:var(--white); border-radius:var(--radius-lg); padding:30px 20px; border:2px solid var(--border); text-align:center; position:relative; transition:var(--transition); }
.pricing-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-md); border-color:#c0c9d6; }
.pricing-card.popular { border-color:var(--blue); box-shadow:0 8px 32px rgba(26,92,255,.18); }
.pricing-badge { position:absolute; top:-13px; left:50%; transform:translateX(-50%); background:var(--gradient); color:var(--white); font-size:.7rem; font-weight:700; padding:4px 14px; border-radius:50px; letter-spacing:.06em; white-space:nowrap; box-shadow:0 4px 12px rgba(26,92,255,.4); }
.pricing-name    { font-size:.8rem; font-weight:700; color:var(--muted); text-transform:uppercase; letter-spacing:.09em; margin-bottom:10px; }
.pricing-credits { font-size:2.1rem; font-weight:800; color:var(--text); line-height:1; }
.pricing-credits span { font-size:.88rem; font-weight:500; color:var(--muted); }
.pricing-per   { font-size:.8rem; color:var(--muted); margin:10px 0 6px; }
.pricing-per strong { color:var(--blue); }
.pricing-total { font-size:1.45rem; font-weight:800; color:var(--text); margin:4px 0 22px; }
.pricing-cta { display:block; width:100%; padding:10px; border-radius:8px; font-size:.85rem; font-weight:700; text-align:center; cursor:pointer; border:2px solid var(--border); color:var(--text); background:transparent; text-decoration:none; transition:var(--transition); }
.pricing-cta:hover { border-color:var(--blue); color:var(--blue); background:rgba(26,92,255,.04); }
.pricing-card.popular .pricing-cta { background:var(--gradient); color:var(--white); border-color:transparent; box-shadow:0 4px 16px rgba(26,92,255,.35); }
.pricing-card.popular .pricing-cta:hover { box-shadow:0 8px 24px rgba(26,92,255,.5); }
.pricing-notes { background:var(--light-bg); border-radius:var(--radius); padding:22px 28px; border:1px solid var(--border); display:flex; flex-wrap:wrap; gap:16px; align-items:center; justify-content:space-between; }
.pricing-note-item { display:flex; align-items:center; gap:8px; font-size:.84rem; color:var(--muted); }
.pricing-note-item svg { color:var(--blue); flex-shrink:0; }
.pricing-contact { margin-top:32px; text-align:center; }
.pricing-contact p { color:var(--muted); font-size:.95rem; margin-bottom:14px; font-style:italic; }

/* ── 16. SECURITY ─────────────────────────────────────── */
#security { background:var(--navy); }
.security-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.security-card { background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.09); border-radius:var(--radius); padding:26px; transition:var(--transition); }
.security-card:hover { background:rgba(255,255,255,.07); border-color:rgba(0,194,203,.35); transform:translateY(-4px); box-shadow:0 8px 24px rgba(0,0,0,.25); }
.security-icon-wrap { width:52px; height:52px; background:rgba(0,194,203,.1); border-radius:12px; display:flex; align-items:center; justify-content:center; margin-bottom:16px; overflow:hidden; transition:var(--transition); }
.security-card:hover .security-icon-wrap { background:rgba(0,194,203,.18); transform:rotate(-5deg) scale(1.05); }
.security-icon-wrap img { width:30px; height:30px; object-fit:contain; filter:brightness(0) saturate(100%) invert(79%) sepia(44%) saturate(500%) hue-rotate(145deg); }
.security-card h4 { font-size:.93rem; font-weight:700; color:var(--white); margin-bottom:8px; }
.security-card p  { font-size:.83rem; color:rgba(255,255,255,.5); line-height:1.65; }
#security .section-label { color:var(--teal); background:rgba(0,194,203,.1); border-color:rgba(0,194,203,.2); }
#security .section-title { color:var(--white); }
#security .section-sub   { color:rgba(255,255,255,.5); }

/* ── 17. CREDIT SYSTEM ────────────────────────────────── */
#credits { background:var(--white); }
.credits-grid { display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; }
.credits-text h2 { text-align:left; }
.credits-text p  { color:var(--muted); margin:16px 0; line-height:1.8; }
.credits-cols { display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-top:24px; }
.credits-col h5  { font-size:.78rem; font-weight:800; text-transform:uppercase; letter-spacing:.1em; color:var(--blue); margin-bottom:12px; }
.credits-col ul  { display:flex; flex-direction:column; gap:9px; }
.credits-col li  { display:flex; align-items:center; gap:8px; font-size:.88rem; color:var(--muted); }
.credits-col li::before { content:''; width:6px; height:6px; min-width:6px; background:var(--teal); border-radius:50%; }
.credits-visual { background:var(--light-bg); border-radius:var(--radius-lg); padding:32px; border:1px solid var(--border); box-shadow:var(--shadow-sm); }
.credits-visual h4 { font-size:.9rem; font-weight:700; color:var(--text); margin-bottom:22px; }
.credit-bar-item { margin-bottom:20px; }
.credit-bar-label { display:flex; justify-content:space-between; font-size:.82rem; color:var(--muted); margin-bottom:8px; }
.credit-bar-label strong { color:var(--text); font-weight:700; }
.credit-bar-track { height:9px; background:var(--border); border-radius:50px; overflow:hidden; }
.credit-bar-fill  { height:100%; background:var(--gradient); border-radius:50px; width:0; transition:width 1.4s cubic-bezier(.4,0,.2,1); }

/* ── 18. FAQ ──────────────────────────────────────────── */
#faq { background:var(--light-bg); }
.faq-wrap { max-width:820px; margin:0 auto; }

/* Tab bar */
.faq-tabs {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 28px; justify-content: center;
}
.faq-tab {
  padding: 8px 20px; border-radius: 50px; font-size:.83rem; font-weight:600;
  cursor:pointer; border: 1.5px solid var(--border);
  background: var(--white); color: var(--muted);
  transition: all .22s ease; white-space: nowrap;
}
.faq-tab:hover { border-color:var(--blue); color:var(--blue); }
.faq-tab.active {
  background: var(--blue); color: var(--white);
  border-color: var(--blue); box-shadow: 0 4px 14px rgba(26,92,255,.35);
}

/* Tab panels */
.faq-panel { display:none; }
.faq-panel.active { display:block; }

details {
  background:var(--white); border-radius:var(--radius); border:1px solid var(--border);
  margin-bottom:8px; transition:border-color .25s ease,box-shadow .25s ease; overflow:hidden;
}
details[open] { border-color:var(--blue); box-shadow:0 4px 16px rgba(26,92,255,.1); }
summary {
  padding:18px 20px; cursor:pointer; font-size:.93rem; font-weight:600;
  color:var(--text); display:flex; align-items:center; justify-content:space-between;
  list-style:none; user-select:none; transition:color .2s;
}
summary::-webkit-details-marker { display:none; }
.summary-arrow {
  width:28px; height:28px; border-radius:50%; background:var(--light-bg);
  display:flex; align-items:center; justify-content:center;
  transition:var(--transition); flex-shrink:0;
}
.summary-arrow svg { transition:transform .3s ease; color:var(--blue); }
details[open] summary        { color:var(--blue); }
details[open] .summary-arrow { background:rgba(26,92,255,.1); }
details[open] .summary-arrow svg { transform:rotate(180deg); }
.faq-body { padding:0 20px 18px; font-size:.9rem; color:var(--muted); line-height:1.8; }
.faq-body ol { padding-left:18px; margin-top:8px; }
.faq-body ol li { margin-bottom:5px; }
.faq-body ul { padding-left:18px; margin-top:8px; }
.faq-body ul li { list-style:disc; margin-bottom:5px; }
.faq-body a { color:var(--blue); }
.faq-body a:hover { text-decoration:underline; }

/* ── 19. CONTACT ──────────────────────────────────────── */
#contact { background:var(--white); }
.contact-grid { display:grid; grid-template-columns:2fr 1fr; gap:60px; align-items:start; }
.contact-form-wrap h2 { text-align:left; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-group { margin-bottom:18px; }
.form-group label { display:block; font-size:.85rem; font-weight:600; color:var(--text); margin-bottom:7px; }
.form-group label .opt { font-weight:400; color:var(--muted); }
.form-control { width:100%; padding:12px 16px; border:1.5px solid var(--border); border-radius:9px; font-size:.92rem; font-family:inherit; color:var(--text); background:var(--white); transition:var(--transition); appearance:none; }
.form-control:focus { outline:none; border-color:var(--blue); box-shadow:0 0 0 4px rgba(26,92,255,.1); transform:translateY(-1px); }
.form-control::placeholder { color:#b5bed0; }
select.form-control { background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748B' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 14px center; padding-right:40px; }
textarea.form-control { resize:vertical; min-height:120px; }
.referral-fields { display:none; padding:20px; margin-bottom:18px; background:rgba(26,92,255,.03); border-radius:10px; border:1px solid rgba(26,92,255,.15); animation:fadeUp .4s ease both; }
.referral-fields.visible { display:block; }
.referral-fields h5 { font-size:.8rem; font-weight:800; text-transform:uppercase; letter-spacing:.09em; color:var(--blue); margin-bottom:14px; }
.consent-row { display:flex; align-items:flex-start; gap:10px; margin-bottom:22px; }
.consent-row input[type="checkbox"] { width:17px; height:17px; margin-top:3px; accent-color:var(--blue); cursor:pointer; flex-shrink:0; }
.consent-row label { font-size:.88rem; color:var(--muted); cursor:pointer; }
.form-alert { padding:14px 18px; border-radius:9px; font-size:.9rem; margin-bottom:20px; font-weight:500; display:flex; align-items:center; gap:10px; animation:fadeUp .5s ease both; }
.form-alert.success { background:rgba(16,185,129,.08); color:#065f46; border:1px solid rgba(16,185,129,.25); }
.form-alert.error   { background:rgba(239,68,68,.07); color:#991b1b; border:1px solid rgba(239,68,68,.2); }
.contact-sidebar { display:flex; flex-direction:column; gap:20px; }
.contact-info-card { background:var(--light-bg); border-radius:var(--radius); padding:24px; border:1px solid var(--border); transition:var(--transition); }
.contact-info-card:hover { box-shadow:var(--shadow-md); border-color:#d0d8e8; }
.contact-info-card h4 { font-size:.92rem; font-weight:700; color:var(--text); margin-bottom:18px; }
.contact-info-item { display:flex; gap:12px; margin-bottom:16px; }
.contact-info-item:last-child { margin-bottom:0; }
.contact-icon-img { width:38px; height:38px; min-width:38px; background:rgba(26,92,255,.07); border-radius:9px; display:flex; align-items:center; justify-content:center; overflow:hidden; }
.contact-icon-img img { width:20px; height:20px; object-fit:contain; }
.contact-info-text strong { display:block; font-size:.82rem; font-weight:700; color:var(--text); }
.contact-info-text a      { font-size:.82rem; color:var(--blue); transition:color .2s; }
.contact-info-text a:hover { color:var(--teal); }
.contact-info-text span   { font-size:.82rem; color:var(--muted); }

/* ── 20. FOOTER ───────────────────────────────────────── */
footer { background:var(--navy); padding:60px 0 0; }
.footer-grid { display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr; gap:40px; margin-bottom:48px; }
.footer-brand .logo-text { font-size:1.4rem; margin-bottom:10px; display:block; }
.footer-tagline { font-size:.83rem; color:rgba(255,255,255,.38); margin-bottom:20px; line-height:1.65; }
.footer-col h5  { font-size:.75rem; font-weight:800; text-transform:uppercase; letter-spacing:.12em; color:rgba(255,255,255,.35); margin-bottom:18px; }
.footer-col ul  { display:flex; flex-direction:column; gap:10px; }
.footer-col ul a { font-size:.87rem; color:rgba(255,255,255,.58); transition:var(--transition); display:inline-block; }
.footer-col ul a:hover { color:var(--teal); transform:translateX(3px); }
.footer-contact-line { font-size:.83rem; color:rgba(255,255,255,.45); margin-bottom:8px; }
.footer-contact-line a { color:rgba(255,255,255,.65); transition:color .2s; }
.footer-contact-line a:hover { color:var(--teal); }
.footer-bottom { border-top:1px solid rgba(255,255,255,.07); padding:22px 0; display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:12px; }
.footer-bottom p { font-size:.81rem; color:rgba(255,255,255,.3); }
.footer-legal { display:flex; gap:20px; }
.footer-legal a { font-size:.81rem; color:rgba(255,255,255,.3); transition:color .2s; }
.footer-legal a:hover { color:rgba(255,255,255,.7); }

/* ── 21. PAGE LOADER ──────────────────────────────────── */
#page-loader { position:fixed; inset:0; z-index:9999; background:var(--navy); display:flex; flex-direction:column; align-items:center; justify-content:center; transition:opacity .5s ease,visibility .5s ease; }
#page-loader.hidden { opacity:0; visibility:hidden; pointer-events:none; }
.loader-logo { display:flex; align-items:center; justify-content:center; margin-bottom:32px; animation:scaleIn .5s var(--ease-spring) both; }
.loader-logo img { height:64px; width:auto; filter:drop-shadow(0 0 24px rgba(0,194,203,.55)); }
.loader-bar-track { width:200px; height:3px; background:rgba(255,255,255,.1); border-radius:3px; overflow:hidden; }
.loader-bar-fill  { height:100%; background:var(--gradient); border-radius:3px; animation:lineFill 1.5s cubic-bezier(.4,0,.2,1) both; }

/* ── 22. BACK TO TOP ──────────────────────────────────── */
#backToTop { position:fixed; bottom:28px; right:28px; z-index:500; width:46px; height:46px; border-radius:50%; background:var(--gradient); border:none; cursor:pointer; display:flex; align-items:center; justify-content:center; box-shadow:0 4px 16px rgba(26,92,255,.4); opacity:0; visibility:hidden; transform:translateY(16px); transition:all .3s var(--ease-spring); }
#backToTop.visible { opacity:1; visibility:visible; transform:translateY(0); }
#backToTop:hover { transform:translateY(-3px); box-shadow:0 8px 24px rgba(26,92,255,.5); }
#backToTop svg { color:white; }
[data-tooltip] { position:relative; }
[data-tooltip]::after { content:attr(data-tooltip); position:absolute; bottom:calc(100% + 8px); left:50%; transform:translateX(-50%); background:var(--text); color:var(--white); font-size:.75rem; font-weight:500; padding:5px 10px; border-radius:6px; white-space:nowrap; pointer-events:none; opacity:0; transition:opacity .2s ease; }
[data-tooltip]:hover::after { opacity:1; }

/* ── 23. RESPONSIVE ───────────────────────────────────── */

/* Collapse nav + action buttons at 1100px, show hamburger */
@media (max-width: 1100px) {
  .main-nav       { display: none; }
  .nav-refer      { display: none; }
  .btn-login      { display: none; }
  .btn-demo       { display: none; }
  .hamburger      { display: flex; }
  /* Push hamburger to the far right when main-nav is gone */
  .header-actions { margin-left: auto; }
}
@media (max-width: 1200px) {
  .pricing-grid { grid-template-columns:repeat(3,1fr); }
}
@media (max-width: 1024px) {
  .features-grid { grid-template-columns:repeat(2,1fr); }
  .steps-grid { grid-template-columns:repeat(3,1fr); }
  .steps-line { display:none; }
  .hero-inner { grid-template-columns:1fr; }
  .hero-visual { display:none; }
  .security-grid { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .credits-grid { grid-template-columns:1fr; gap:36px; }
}
@media (max-width: 768px) {
  section { padding:64px 0; }
  .about-grid, .contact-grid { grid-template-columns:1fr; }
  .pricing-grid { grid-template-columns:repeat(2,1fr); }
  .features-grid { grid-template-columns:1fr; }
  .steps-grid { grid-template-columns:1fr 1fr; }
  .form-row { grid-template-columns:1fr; }
  .about-highlights { grid-template-columns:1fr; }
  .hero-stats { flex-wrap:wrap; gap:20px; }
  .video-overlay-text { padding:28px 32px; }
  /* btn-login already hidden above 1100px */
}
@media (max-width: 480px) {
  .pricing-grid { grid-template-columns:1fr; }
  .steps-grid { grid-template-columns:1fr; }
  .hero-ctas { flex-direction:column; }
  .security-grid { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; }
  .credits-cols { grid-template-columns:1fr; }
  .hero-badge { display:none; }
  .btn-demo { font-size:.78rem; padding:7px 12px; }
}