/* ==========================================================================
   Teklo Tech — style.css
   Design system → layout → components → sections → responsive
   ========================================================================== */

/* ---------- 1. Design tokens ---------- */
:root {
  --bg: #070b14;
  --bg-soft: #0c1220;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.18);

  --text: #eef2f9;
  --muted: #9aa7bd;

  --brand: #2ee6a8;
  --brand-2: #38bdf8;
  --brand-3: #6d8bff;

  --gradient: linear-gradient(120deg, var(--brand) 0%, var(--brand-2) 55%, var(--brand-3) 100%);
  --glow: 0 24px 70px -28px rgba(46, 230, 168, 0.55);
  --shadow-sm: 0 10px 30px -18px rgba(0, 0, 0, 0.8);
  --shadow-md: 0 26px 60px -30px rgba(0, 0, 0, 0.9);

  --r-sm: 12px;
  --r-md: 18px;
  --r-lg: 26px;
  --r-pill: 999px;

  --container: 1180px;
  --nav-h: 74px;

  --font: "Plus Jakarta Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
}

/* ---------- 2. Reset & base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.nav-open { overflow: hidden; }

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

::selection { background: rgba(46, 230, 168, 0.3); }

/* Ambient background glow */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(60rem 40rem at 12% -8%, rgba(46, 230, 168, 0.16), transparent 60%),
    radial-gradient(50rem 36rem at 88% 6%, rgba(109, 139, 255, 0.16), transparent 62%),
    radial-gradient(48rem 34rem at 50% 108%, rgba(56, 189, 248, 0.12), transparent 60%);
}

main, header, footer { position: relative; z-index: 1; }

/* ---------- 3. Layout helpers ---------- */
.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.section { padding: clamp(4.5rem, 9vw, 7.5rem) 0; }
.section--tight { padding: clamp(3.5rem, 6vw, 5rem) 0; }
.section--alt { background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent); }

.section-head {
  max-width: 720px;
  margin: 0 auto clamp(2.5rem, 5vw, 3.75rem);
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand);
  background: rgba(46, 230, 168, 0.1);
  border: 1px solid rgba(46, 230, 168, 0.24);
  border-radius: var(--r-pill);
  padding: 0.4rem 0.9rem;
  margin-bottom: 1rem;
}

h1, h2, h3, h4 { line-height: 1.15; font-weight: 800; letter-spacing: -0.025em; }
h2 { font-size: clamp(1.9rem, 4vw, 2.85rem); }
h3 { font-size: 1.18rem; }

.lead { color: var(--muted); font-size: clamp(1rem, 1.6vw, 1.08rem); }
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- 4. Buttons ---------- */
.btn {
  --btn-bg: var(--surface-strong);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.9rem 1.6rem;
  border-radius: var(--r-pill);
  font-weight: 700;
  font-size: 0.95rem;
  background: var(--btn-bg);
  border: 1px solid var(--border-strong);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
  overflow: hidden;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-3px); }
.btn:active { transform: translateY(-1px); }
.btn:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; }

.btn--primary {
  background: var(--gradient);
  color: #04140f;
  border-color: transparent;
  box-shadow: var(--glow);
}
.btn--primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 20%, rgba(255,255,255,0.45) 50%, transparent 80%);
  transform: translateX(-120%);
  transition: transform 0.7s ease;
}
.btn--primary:hover::after { transform: translateX(120%); }

.btn--ghost { background: var(--surface); color: var(--text); }
.btn--ghost:hover { background: var(--surface-strong); border-color: var(--brand); }

.btn--whatsapp {
  background: rgba(37, 211, 102, 0.14);
  border-color: rgba(37, 211, 102, 0.45);
  color: #7ff0ac;
}
.btn--whatsapp:hover { background: rgba(37, 211, 102, 0.22); }

.btn--block { width: 100%; }
.btn--sm { padding: 0.7rem 1.15rem; font-size: 0.86rem; }

/* ---------- 5. Cards ---------- */
.card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.9rem;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease, background 0.35s ease;
  height: 100%;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(46, 230, 168, 0.4);
  background: var(--surface-strong);
  box-shadow: var(--shadow-md);
}

.card p { color: var(--muted); font-size: 0.95rem; }
.card h3 { margin-bottom: 0.55rem; }

.card-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: rgba(46, 230, 168, 0.12);
  border: 1px solid rgba(46, 230, 168, 0.26);
  margin-bottom: 1.1rem;
  font-size: 1.35rem;
}

.grid { display: grid; gap: 1.4rem; }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* ---------- 6. Navbar ---------- */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}

.navbar.is-scrolled {
  background: rgba(7, 11, 20, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--border);
  box-shadow: 0 18px 40px -32px #000;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.brand { display: inline-flex; align-items: center; gap: 0.65rem; font-weight: 800; letter-spacing: -0.02em; }
.brand__mark {
  width: 38px; height: 38px;
  border-radius: 12px;
  background: var(--gradient);
  display: grid; place-items: center;
  color: #04140f; font-size: 1rem; font-weight: 900;
  box-shadow: var(--glow);
}
.brand__name { font-size: 1.06rem; }
.brand__name span { color: var(--brand); }

.nav-links { display: flex; align-items: center; gap: 0.35rem; }
.nav-links a {
  padding: 0.5rem 0.8rem;
  border-radius: var(--r-pill);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--muted);
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-links a:hover { color: var(--text); background: var(--surface); }
.nav-links a.is-active { color: var(--brand); background: rgba(46, 230, 168, 0.1); }

.nav-cta { display: flex; align-items: center; gap: 0.6rem; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  place-items: center;
}
.nav-toggle span {
  display: block;
  width: 20px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggle span + span { margin-top: 5px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 7. Hero ---------- */
.hero {
  padding: calc(var(--nav-h) + clamp(3rem, 7vw, 5.5rem)) 0 clamp(3.5rem, 7vw, 6rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.3rem, 5.6vw, 4rem);
  margin: 0.6rem 0 1.1rem;
}

.hero__desc { color: var(--muted); font-size: clamp(1rem, 1.7vw, 1.12rem); max-width: 56ch; }

.hero__actions { display: flex; flex-wrap: wrap; gap: 0.85rem; margin: 1.9rem 0 2rem; }

.trust-badges { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.trust-badges li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  padding: 0.45rem 0.85rem;
}
.trust-badges li::before { content: "✓"; color: var(--brand); font-weight: 800; }

/* Hero visual */
.hero-visual { position: relative; display: grid; place-items: center; min-height: 380px; }

.orbit {
  position: relative;
  width: min(100%, 380px);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 50% 50%, rgba(46,230,168,0.1), transparent 65%);
  animation: spin 34s linear infinite;
}
.orbit::before,
.orbit::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px dashed rgba(255,255,255,0.12);
}
.orbit::before { inset: 13%; }
.orbit::after { inset: 27%; }

.orbit__core {
  width: 34%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--gradient);
  display: grid;
  place-items: center;
  color: #04140f;
  font-weight: 900;
  font-size: 1.15rem;
  box-shadow: 0 0 70px rgba(46, 230, 168, 0.45);
  animation: spin 34s linear infinite reverse;
}

.orbit__dot {
  position: absolute;
  width: 46px; height: 46px;
  border-radius: 14px;
  display: grid; place-items: center;
  background: rgba(12, 18, 32, 0.9);
  border: 1px solid var(--border-strong);
  font-size: 1.1rem;
  animation: spin 34s linear infinite reverse;
}
.orbit__dot:nth-child(1) { top: -10px; left: 50%; transform: translateX(-50%); }
.orbit__dot:nth-child(2) { right: -10px; top: 50%; transform: translateY(-50%); }
.orbit__dot:nth-child(3) { bottom: -10px; left: 50%; transform: translateX(-50%); }
.orbit__dot:nth-child(4) { left: -10px; top: 50%; transform: translateY(-50%); }

.floating-chip {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.95rem;
  border-radius: var(--r-pill);
  background: rgba(12, 18, 32, 0.85);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(12px);
  font-size: 0.82rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
  animation: float 6s ease-in-out infinite;
}
.floating-chip--a { top: 6%; left: -2%; }
.floating-chip--b { bottom: 10%; right: -2%; animation-delay: 1.6s; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ---------- 8. About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: center;
}
.highlight-box {
  margin-top: 1.6rem;
  padding: 1.15rem 1.35rem;
  border-radius: var(--r-md);
  background: rgba(46, 230, 168, 0.08);
  border-left: 3px solid var(--brand);
  font-weight: 700;
}

/* ---------- 9. Services ---------- */
.feature-list { margin-top: 1.1rem; display: grid; gap: 0.5rem; }
.feature-list li {
  display: flex;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--muted);
}
.feature-list li::before {
  content: "";
  flex: none;
  width: 7px; height: 7px;
  margin-top: 0.6rem;
  border-radius: 50%;
  background: var(--gradient);
}

/* ---------- 10. Pricing ---------- */
.price-card { display: flex; flex-direction: column; }
.price-card--featured {
  border-color: rgba(46, 230, 168, 0.5);
  background: linear-gradient(180deg, rgba(46, 230, 168, 0.09), var(--surface));
  box-shadow: var(--shadow-md);
}
.price-badge {
  position: absolute;
  top: -13px; left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: #04140f;
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  padding: 0.35rem 0.9rem;
  border-radius: var(--r-pill);
  white-space: nowrap;
}
.price-name {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand);
  font-weight: 800;
}
.price-amount {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin: 0.5rem 0 0.2rem;
}
.price-amount small { font-size: 0.9rem; font-weight: 600; color: var(--muted); letter-spacing: 0; }
.price-card .feature-list { flex: 1; margin-bottom: 1.5rem; }

/* ---------- 11. Process ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.2rem;
  position: relative;
}
.step { position: relative; }
.step__num {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.step h3 { margin: 0.35rem 0 0.5rem; font-size: 1.05rem; }

/* ---------- 12. Internship ---------- */
.program-card {
  border-radius: var(--r-lg);
  border: 1px solid rgba(46, 230, 168, 0.32);
  background: linear-gradient(160deg, rgba(46,230,168,0.1), rgba(109,139,255,0.08));
  backdrop-filter: blur(16px);
  padding: clamp(1.6rem, 4vw, 2.6rem);
  box-shadow: var(--shadow-md);
}
.program-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  padding-bottom: 1.6rem;
  border-bottom: 1px solid var(--border);
}
.program-price {
  text-align: right;
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.program-price strong { display: block; font-size: 2.4rem; letter-spacing: -0.03em; color: var(--text); }

.month-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
  margin: 1.8rem 0;
}
.month {
  background: rgba(7, 11, 20, 0.5);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 1.35rem;
}
.month h4 {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 0.85rem;
}
.cert-list { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1.6rem; }
.cert-list li {
  font-size: 0.83rem;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
  border-radius: var(--r-pill);
  background: var(--surface);
  border: 1px solid var(--border-strong);
}
.cert-list li::before { content: "🎓 "; }
.program-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; }

/* ---------- 13. CTA band ---------- */
.cta-band {
  border-radius: var(--r-lg);
  border: 1px solid var(--border-strong);
  background: linear-gradient(120deg, rgba(46,230,168,0.14), rgba(109,139,255,0.14));
  padding: clamp(2rem, 5vw, 3.4rem);
  text-align: center;
  backdrop-filter: blur(14px);
}
.cta-band p { color: var(--muted); max-width: 58ch; margin: 0.8rem auto 1.7rem; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 0.85rem; justify-content: center; }

/* ---------- 14. FAQ ---------- */
.faq { max-width: 840px; margin-inline: auto; display: grid; gap: 0.85rem; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.faq-item.is-open { border-color: rgba(46, 230, 168, 0.42); background: var(--surface-strong); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  padding: 1.15rem 1.35rem;
  font-weight: 700;
  font-size: 1rem;
}
.faq-q .icon {
  flex: none;
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  color: var(--brand);
  transition: transform 0.3s ease, background 0.3s ease;
}
.faq-item.is-open .faq-q .icon { transform: rotate(45deg); background: rgba(46,230,168,0.14); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-a p { padding: 0 1.35rem 1.25rem; color: var(--muted); font-size: 0.95rem; }

/* ---------- 15. Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}
.contact-list { display: grid; gap: 0.9rem; margin: 1.6rem 0 2rem; }
.contact-list a, .contact-list span {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.95rem 1.1rem;
  border-radius: var(--r-md);
  background: var(--surface);
  border: 1px solid var(--border);
  font-weight: 600;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.contact-list a:hover { border-color: var(--brand); transform: translateX(4px); }

.form-field { display: grid; gap: 0.4rem; margin-bottom: 1rem; }
.form-field label { font-size: 0.83rem; font-weight: 700; color: var(--muted); }
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--r-sm);
  background: rgba(7, 11, 20, 0.6);
  border: 1px solid var(--border);
  color: var(--text);
  font: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-field textarea { min-height: 120px; resize: vertical; }
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(46, 230, 168, 0.14);
}
.form-note { font-size: 0.8rem; color: var(--muted); margin-top: 0.85rem; }

/* ---------- 16. Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  background: rgba(5, 8, 14, 0.6);
  padding: clamp(3rem, 6vw, 4.5rem) 0 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 2rem;
}
.footer h4 { font-size: 0.82rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--brand); margin-bottom: 1rem; }
.footer ul { display: grid; gap: 0.6rem; }
.footer a, .footer p, .footer li { color: var(--muted); font-size: 0.92rem; }
.footer a:hover { color: var(--brand); }
.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---------- 17. Floating WhatsApp + toast ---------- */
.wa-float {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 90;
  width: 54px; height: 54px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: #25d366;
  color: #04140f;
  box-shadow: 0 18px 40px -14px rgba(37, 211, 102, 0.7);
  transition: transform 0.25s ease;
}
.wa-float:hover { transform: scale(1.08); }

.toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translate(-50%, 140%);
  z-index: 120;
  padding: 0.85rem 1.3rem;
  border-radius: var(--r-pill);
  background: rgba(12, 18, 32, 0.96);
  border: 1px solid rgba(46, 230, 168, 0.4);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  transition: transform 0.4s cubic-bezier(0.2, 0.9, 0.3, 1.2);
}
.toast.is-visible { transform: translate(-50%, 0); }

/* ---------- 18. Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 19. Responsive ---------- */
@media (max-width: 980px) {
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; min-height: 300px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .floating-chip--a { left: 2%; }
  .floating-chip--b { right: 2%; }
}

@media (max-width: 860px) {
  .nav-toggle { display: grid; }
  .nav-cta .btn { display: none; }
  .nav-links {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 1.1rem 1.25rem 1.6rem;
    background: rgba(7, 11, 20, 0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-130%);
    transition: transform 0.35s ease;
    max-height: calc(100dvh - var(--nav-h));
    overflow-y: auto;
  }
  .nav-links.is-open { transform: translateY(0); }
  .nav-links a { padding: 0.85rem 1rem; font-size: 1rem; }
  .nav-links .btn { display: inline-flex; margin-top: 0.6rem; }
}

@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .program-price { text-align: left; }
  .btn { width: 100%; }
  .hero__actions .btn, .cta-actions .btn, .program-actions .btn { width: 100%; }
  .nav-inner .brand__name { font-size: 0.98rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}
.logo-navbar {
    width: 110px;
    height: 38px;
    object-fit: contain;
    object-position: center;
    display: block;
}

.logo-footer {
    width: 120px;
    height: 42px;
    object-fit: contain;
    display: block;
}

```css
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #07101f;
  color: #fff;
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: min(520px, 100%);
  background: #0d192d;
  border: 1px solid #203454;
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .35);
}

.brand {
  font-weight: 900;
  font-size: 22px;
  letter-spacing: 1px;
}

.brand span {
  color: #36a9ff;
}

.eyebrow {
  color: #55b7ff;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.5px;
  margin: 26px 0 8px;
}

h1 {
  font-size: 32px;
  margin: 0 0 8px;
}

.muted {
  color: #9fb0c8;
  line-height: 1.6;
}

.center {
  text-align: center;
}

label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-top: 16px;
}

input,
select {
  width: 100%;
  margin-top: 8px;
  padding: 14px 15px;
  border-radius: 12px;
  border: 1px solid #304665;
  background: #091426;
  color: #fff;
  outline: none;
  transition: .25s ease;
}

input:focus,
select:focus {
  border-color: #36a9ff;
  box-shadow: 0 0 0 3px rgba(54, 169, 255, .10);
}

/* =========================================
   OFFER
========================================= */

.offer {
  margin: 22px 0;
  padding: 18px;
  border-radius: 16px;
  background: linear-gradient(135deg, #12345b, #0b213e);
  display: grid;
  gap: 4px;
}

.offer span {
  font-size: 12px;
  color: #78c8ff;
  text-transform: uppercase;
  font-weight: 800;
}

.offer strong {
  font-size: 34px;
}

.offer small {
  color: #9fb0c8;
}

/* =========================================
   BUTTON
========================================= */

.btn {
  width: 100%;
  margin-top: 20px;
  border: 0;
  border-radius: 12px;
  padding: 15px;
  background: #168cff;
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  cursor: pointer;
  transition: .25s ease;
}

.btn:hover {
  background: #0b78df;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(22, 140, 255, .22);
}

.btn:active {
  transform: translateY(0);
}

/* =========================================
   STUDENT SUMMARY
========================================= */

.summary {
  margin: 20px 0;
  display: grid;
  gap: 9px;
}

.summary div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 15px;
  padding: 13px 14px;
  border-radius: 12px;
  background: #091426;
  border: 1px solid transparent;
  transition: .2s ease;
}

.summary div:hover {
  border-color: #203b5b;
  transform: translateY(-1px);
}

.summary span {
  color: #91a5bf;
  font-size: 13px;
}

.summary strong {
  text-align: right;
  font-size: 13px;
  color: #fff;
  word-break: break-word;
}

/* =========================================
   PRICE BOX
========================================= */

.price-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 17px 18px;
  margin: 18px 0;
  border: 1px solid #285078;
  border-radius: 15px;
  background: linear-gradient(
    135deg,
    rgba(18, 52, 91, .75),
    rgba(11, 33, 62, .75)
  );
}

.price-box span {
  font-size: 14px;
  font-weight: 700;
}

.price-box strong {
  font-size: 30px;
  color: #59c1ff;
}

/* =========================================
   PAYMENT CARD
========================================= */

.payment-card {
  position: relative;
  margin-top: 20px;
  padding: 22px;
  border-radius: 20px;
  border: 1px solid #203454;
  background: #0a1629;
  box-shadow: 0 18px 50px rgba(0, 0, 0, .22);
  overflow: hidden;
  animation: paymentIn .6s ease both;
}

.payment-card::before {
  content: "";
  position: absolute;
  width: 230px;
  height: 230px;
  top: -160px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 50%;
  background: rgba(54, 169, 255, .09);
  filter: blur(28px);
  pointer-events: none;
}

/* =========================================
   PAYMENT HEADER
========================================= */

.payment-header {
  position: relative;
  text-align: center;
  margin-bottom: 18px;
}

.payment-badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 50px;
  background: #102b47;
  color: #78c8ff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  animation: badgePulse 2.5s ease-in-out infinite;
}

.payment-header h2 {
  margin: 11px 0 5px;
  font-size: 24px;
}

.payment-header p {
  margin: 0;
  color: #91a5bf;
  font-size: 13px;
}

/* =========================================
   QR BOX
========================================= */

.qr-box {
  position: relative;
  width: fit-content;
  min-height: 0;

  display: flex;
  align-items: center;
  justify-content: center;

  margin: 20px auto 12px;
  padding: 13px;

  background: #fff;
  color: #17243a;

  border-radius: 18px;

  box-shadow:
    0 12px 35px rgba(0, 0, 0, .30);

  animation: qrFloat 3s ease-in-out infinite;
}

.qr-box::after {
  content: "";
  position: absolute;
  inset: -5px;

  border-radius: 23px;

  border: 1px solid rgba(54, 169, 255, .30);

  animation: qrGlow 2.5s ease-in-out infinite;

  pointer-events: none;
}

.qr-box img {
  position: relative;
  z-index: 1;

  display: block;

  width: 215px;
  height: 215px;

  max-width: 100%;

  border-radius: 8px;
}

/* =========================================
   QR AMOUNT
========================================= */

.qr-amount {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;

  margin: 15px 0 12px;

  color: #91a5bf;
  font-size: 13px;
}

.qr-amount strong {
  color: #59c1ff;
  font-size: 21px;
}

/* =========================================
   UPI ID
========================================= */

.upi-box {
  display: flex;
  flex-direction: column;
  align-items: center;

  gap: 5px;

  padding: 12px;

  border-radius: 12px;

  background: #091426;
  border: 1px solid #1c304d;
}

.upi-box span {
  color: #7186a0;

  font-size: 10px;

  text-transform: uppercase;

  letter-spacing: 1px;
}

.upi-box strong {
  color: #fff;

  font-size: 14px;

  word-break: break-all;
}

/* =========================================
   PAYMENT NOTE
========================================= */

.payment-note {
  margin: 17px 4px 20px;

  color: #91a5bf;

  text-align: center;

  font-size: 12px;

  line-height: 1.6;
}

.payment-note strong {
  color: #59c1ff;
}

/* =========================================
   PAYMENT FORM
========================================= */

.payment-card form {
  display: grid;
  gap: 3px;
}

.payment-card label {
  margin-top: 14px;
}

.payment-card input {
  transition:
    border-color .25s ease,
    box-shadow .25s ease,
    transform .2s ease;
}

.payment-card input:focus {
  border-color: #36a9ff;

  box-shadow:
    0 0 0 3px rgba(54, 169, 255, .10);

  transform: translateY(-1px);
}

/* File upload */

.payment-card input[type="file"] {
  cursor: pointer;
  padding: 11px;
  font-size: 12px;
}

/* =========================================
   PAYMENT SUBMIT BUTTON
========================================= */

.payment-submit {
  margin-top: 18px !important;

  background:
    linear-gradient(
      135deg,
      #168cff,
      #36a9ff
    );

  box-shadow:
    0 8px 25px rgba(22, 140, 255, .20);
}

.payment-submit:hover {
  background:
    linear-gradient(
      135deg,
      #0b78df,
      #168cff
    );

  box-shadow:
    0 12px 30px rgba(22, 140, 255, .30);
}

/* =========================================
   SUCCESS MESSAGE
========================================= */

.success {
  margin-top: 17px;

  padding: 14px;

  border-radius: 12px;

  background: #123c2d;

  border: 1px solid #1d6349;

  color: #8ff0c2;

  text-align: center;

  font-size: 13px;

  animation: successIn .5s ease both;
}

/* =========================================
   PAYMENT TRUST
========================================= */

.payment-trust {
  display: flex;

  justify-content: center;

  flex-wrap: wrap;

  gap: 7px;

  margin-top: 18px;
}

.payment-trust span {
  padding: 7px 10px;

  border-radius: 50px;

  background: #091426;

  border: 1px solid #1c304d;

  color: #91a5bf;

  font-size: 10px;
}

/* =========================================
   BACK LINK
========================================= */

.back {
  display: block;

  margin-top: 18px;

  color: #73c7ff;

  text-decoration: none;

  text-align: center;

  font-size: 14px;

  transition: .2s ease;
}

.back:hover {
  color: #fff;
  transform: translateX(-2px);
}

/* =========================================
   ANIMATIONS
========================================= */

@keyframes paymentIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes qrFloat {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-5px);
  }
}

@keyframes qrGlow {
  0%,
  100% {
    opacity: .25;
    transform: scale(1);
  }

  50% {
    opacity: .75;
    transform: scale(1.015);
  }
}

@keyframes badgePulse {
  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.04);
  }
}

@keyframes successIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =========================================
   MOBILE
========================================= */

@media (max-width: 480px) {

  .page {
    padding: 14px;
  }

  .card {
    padding: 20px;
    border-radius: 20px;
  }

  .payment-card {
    padding: 18px;
    border-radius: 17px;
  }

  .payment-header h2 {
    font-size: 22px;
  }

  .qr-box img {
    width: 195px;
    height: 195px;
  }

  .price-box strong {
    font-size: 26px;
  }

  .summary strong {
    max-width: 58%;
  }

  .payment-trust span {
    font-size: 9px;
  }
}

small {
  color: #9fb0c8;
}