/* ==========================================================================
   MASTERCLASS MASTERY: stylesheet
   ========================================================================== */

:root {
  --navy: #0B1220;
  --navy-2: #111B2E;
  --blue: #3B82F6;
  --cyan: #22D3EE;
  --gold: #F5B942;
  --white: #F8FAFC;
  --slate: #94A3B8;
  --dark-text: #172033;
  --light-bg: #F8FAFC;
  --success: #22C55E;

  --font-head: "Manrope", sans-serif;
  --font-body: "Inter", sans-serif;

  --max-w: 1240px;
  --radius: 14px;
  --radius-sm: 8px;

  --shadow-card: 0 10px 30px -12px rgba(11, 18, 32, 0.18);
  --shadow-glow: 0 0 60px rgba(59, 130, 246, 0.25);

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--dark-text);
  background: var(--light-bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.12;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h2 { font-size: clamp(1.8rem, 3.2vw, 2.75rem); }
h3 { font-size: clamp(1.05rem, 1.5vw, 1.25rem); font-weight: 700; }

p { margin: 0 0 1em; color: var(--slate); line-height: 1.65; }
ul { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--blue); color: white; padding: 12px 20px;
  z-index: 200; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 2px;
}

.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 88px 24px;
}

.eyebrow {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
  margin-bottom: 14px;
}
.eyebrow--dark { color: var(--blue); }

.section-sub {
  max-width: 620px;
  font-size: 1.05rem;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  padding: 14px 26px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease);
  white-space: nowrap;
}
.btn--primary {
  background: linear-gradient(135deg, var(--blue), #2563EB);
  color: white;
  box-shadow: 0 8px 24px -8px rgba(59, 130, 246, 0.6);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -8px rgba(59, 130, 246, 0.7); }
.btn--lg { padding: 17px 34px; font-size: 1rem; }
.btn--nav {
  background: var(--blue);
  color: white;
  padding: 10px 20px;
  font-size: 0.85rem;
}
.btn--nav:hover { transform: translateY(-1px); }

/* ---------- Navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 18, 32, 0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}
.nav.is-scrolled {
  background: rgba(11, 18, 32, 0.97);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}
.nav__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav__logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: var(--white);
}
.nav__logo span { color: var(--cyan); }
.nav__links {
  display: flex;
  gap: 32px;
  flex: 1;
  justify-content: center;
}
.nav__links a {
  color: var(--slate);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s var(--ease);
}
.nav__links a:hover { color: var(--white); }

.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav__burger span {
  width: 22px; height: 2px; background: var(--white); border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}
.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: var(--navy-2);
  padding: 10px 24px 20px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
}
.nav__mobile a {
  color: var(--slate);
  padding: 12px 0;
  font-weight: 500;
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
}
.nav__mobile .btn { margin-top: 12px; justify-content: center; }
.nav.is-open .nav__mobile { display: flex; }
.nav.is-open .nav__burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.is-open .nav__burger span:nth-child(2) { opacity: 0; }
.nav.is-open .nav__burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--navy);
  overflow: hidden;
  padding-top: 20px;
}
.hero__glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 80%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.35), transparent 65%);
  pointer-events: none;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(148, 163, 184, 0.14) 1px, transparent 1px);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(ellipse at 30% 40%, black 0%, transparent 70%);
  mask-image: radial-gradient(ellipse at 30% 40%, black 0%, transparent 70%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 70px 24px 110px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}
.hero__headline {
  font-size: clamp(2.3rem, 4.4vw, 3.6rem);
  color: var(--white);
  margin-top: 6px;
}
.hero__sub {
  font-size: 1.15rem;
  color: var(--slate);
  max-width: 480px;
}
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin: 26px 0 34px;
}
.badges li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--white);
  font-size: 0.88rem;
  font-weight: 500;
}
.badges__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.18);
  color: var(--success);
  font-size: 0.68rem;
  font-weight: 800;
}
.hero__guarantee {
  margin: 12px 0 0;
  color: var(--slate);
  font-size: 0.85rem;
}

.hero-flow {
  margin: 26px 0 22px;
  padding: 16px 18px;
  background: rgba(248, 250, 252, 0.04);
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-sm);
}
.hero-flow__label {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  margin: 0 0 8px;
}
.hero-flow__steps {
  margin: 0;
  color: var(--white);
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1.6;
}
.hero-flow__steps span { color: var(--slate); margin: 0 2px; }

.hero__qualifier {
  color: var(--gold);
  font-size: 0.9rem;
  font-weight: 500;
  max-width: 480px;
  margin: -6px 0 26px;
}

.hero__visual { position: relative; min-height: 460px; }
.hero-visual__title {
  text-align: center;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
  margin: 0 0 14px;
}
.hero-visual__badge {
  text-align: center;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--navy);
  background: var(--gold);
  width: fit-content;
  margin: 14px auto 0;
  padding: 6px 16px;
  border-radius: 999px;
}
.dashboard-card {
  background: rgba(248, 250, 252, 0.06);
  border: 1px solid rgba(148, 163, 184, 0.18);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow-glow);
  max-width: 340px;
  margin: 0 auto;
}
.dashboard-card__row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--white);
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: var(--radius-sm);
}
.dashboard-card__row--final {
  background: rgba(245, 185, 66, 0.12);
  border-color: rgba(245, 185, 66, 0.4);
  color: var(--gold);
}
.dashboard-card__dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--cyan);
  flex-shrink: 0;
}
.dashboard-card__row--final .dashboard-card__dot { background: var(--gold); }
.dashboard-card__arrow {
  text-align: center;
  color: var(--slate);
  font-size: 0.75rem;
  padding: 1px 0;
}

.float-stat {
  position: absolute;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  box-shadow: var(--shadow-card);
}
.float-stat strong {
  font-family: var(--font-head);
  font-size: 1.15rem;
  color: var(--dark-text);
}
.float-stat span { font-size: 0.72rem; color: var(--slate); margin: 0; }
.float-stat--1 { top: -4%; left: -6%; }
.float-stat--2 { top: 38%; right: -8%; }
.float-stat--3 { bottom: -8%; left: 6%; }

/* ---------- Video ---------- */
.video-section { background: var(--light-bg); text-align: center; }
.video-section .section-inner { padding-bottom: 100px; }
.video-frame {
  max-width: 860px;
  margin: 40px auto 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  aspect-ratio: 16 / 9;
  background: var(--navy-2);
}
.video-frame iframe { width: 100%; height: 100%; border: 0; }

/* ---------- Section banner images ---------- */
.section-banner-img {
  display: block;
  width: 100%;
  max-width: 900px;
  aspect-ratio: 21 / 8;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  margin: 40px auto 0;
}

/* ---------- Problem ---------- */
.problem { background: var(--light-bg); text-align: center; }
.problem .section-sub { margin: 0 auto; }
.card-grid { display: grid; gap: 24px; margin-top: 46px; text-align: left; }
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }
.card-grid--4 { grid-template-columns: repeat(4, 1fr); }
.card-grid--5 { grid-template-columns: repeat(5, 1fr); }

.problem-card {
  background: white;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.problem-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.problem-card__icon { color: var(--blue); width: 40px; height: 40px; margin-bottom: 16px; }
.problem-card__icon svg { width: 100%; height: 100%; }
.problem-card h3 { font-size: 0.95rem; letter-spacing: 0.03em; margin-bottom: 8px; }
.problem-card p { font-size: 0.92rem; margin: 0; }

/* ---------- Compare ---------- */
.compare { background: var(--navy); }
.compare h2 { color: var(--white); text-align: center; }
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 46px;
}
.compare-col {
  border-radius: var(--radius);
  padding: 32px 30px;
}
.compare-col__label {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.compare-col--old {
  background: rgba(148, 163, 184, 0.06);
  border: 1px solid rgba(148, 163, 184, 0.14);
}
.compare-col--old .compare-col__label { color: var(--slate); }
.compare-col--old li { color: var(--slate); text-decoration: line-through; text-decoration-color: rgba(148,163,184,0.4); }
.compare-col--new {
  background: linear-gradient(160deg, rgba(59, 130, 246, 0.14), rgba(245, 185, 66, 0.06));
  border: 1px solid rgba(59, 130, 246, 0.35);
}
.compare-col--new .compare-col__label { color: var(--gold); }
.compare-col--new li { color: var(--white); font-weight: 500; }
.compare-col li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
  font-size: 0.95rem;
}
.compare-col li:last-child { border-bottom: none; }

/* ---------- Journey ---------- */
.journey { background: var(--navy-2); text-align: center; }
.journey h2, .journey .eyebrow { color: var(--white); }
.journey-track {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 50px;
}
.journey-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  background: rgba(248, 250, 252, 0.05);
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: var(--radius);
  padding: 22px 16px;
  width: 138px;
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.journey-step:hover {
  transform: translateY(-5px);
  border-color: var(--cyan);
  background: rgba(34, 211, 238, 0.08);
}
.journey-step__num {
  font-family: var(--font-head);
  font-weight: 800;
  color: var(--cyan);
  font-size: 1.1rem;
}
.journey-step--final {
  background: rgba(245, 185, 66, 0.12);
  border-color: rgba(245, 185, 66, 0.4);
}
.journey-step--final .journey-step__num { color: var(--gold); }

/* ---------- Build ---------- */
.build { background: var(--light-bg); text-align: center; }
.build__label {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--blue);
  margin-top: -6px;
}
.build-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
  text-align: left;
}
.build-list {
  background: white;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: var(--radius);
  padding: 10px 26px;
}
.build-list li {
  padding: 14px 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.14);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding-left: 26px;
}
.build-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 800;
}
.build-list li:last-child { border-bottom: none; }

/* ---------- Program ---------- */
.program { background: var(--navy); text-align: center; }
.program h2, .program .section-sub { color: var(--white); }
.program .section-sub { color: var(--slate); margin: 0 auto; }
.module-card {
  position: relative;
  background: rgba(248, 250, 252, 0.04);
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: var(--radius);
  padding: 30px 26px;
  overflow: hidden;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}
.module-card:hover { transform: translateY(-4px); border-color: var(--blue); }
.module-card__num {
  position: absolute;
  top: -10px; right: 4px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 4.2rem;
  color: rgba(59, 130, 246, 0.14);
  line-height: 1;
}
.module-card h3 { color: var(--white); font-size: 0.95rem; letter-spacing: 0.04em; position: relative; }
.module-card p { position: relative; font-size: 0.9rem; margin: 0; }

/* ---------- Instructor ---------- */
.instructor { background: var(--navy-2); }
.instructor__inner {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: center;
}
.instructor__portrait-img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid rgba(148, 163, 184, 0.22);
  box-shadow: var(--shadow-card);
}
.instructor__copy h2 { color: var(--white); }
.instructor__name {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--gold);
  font-size: 1.05rem;
  margin: -8px 0 20px;
}
.instructor__credentials {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 20px;
  margin-bottom: 24px;
}
.instructor__credentials li {
  color: var(--white);
  font-size: 0.9rem;
  padding-left: 22px;
  position: relative;
}
.instructor__credentials li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 8px; height: 8px;
  background: var(--cyan);
  border-radius: 50%;
}
.instructor__bio { color: var(--slate); font-size: 0.98rem; max-width: 520px; }

/* ---------- Bonuses ---------- */
.bonuses { background: var(--navy); text-align: center; }
.bonuses h2 { color: var(--white); }
.bonus-card {
  background: rgba(248, 250, 252, 0.04);
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: var(--radius);
  padding: 26px 18px;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}
.bonus-card:hover { transform: translateY(-4px); border-color: var(--gold); }
.bonus-card h3 { color: var(--white); font-size: 0.88rem; margin: 0; }

/* ---------- Pricing ---------- */
.pricing { background: var(--navy); text-align: center; }
.pricing .eyebrow { justify-content: center; }
.pricing h2 { color: var(--white); }
.pricing-card {
  max-width: 480px;
  margin: 46px auto 0;
  background: linear-gradient(160deg, rgba(59,130,246,0.14), rgba(17,27,46,0.6));
  border: 1px solid rgba(59, 130, 246, 0.4);
  border-radius: var(--radius);
  padding: 44px 38px;
  box-shadow: var(--shadow-glow);
}
.pricing-card__title {
  color: var(--white);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}
.pricing-card__includes { text-align: left; margin: 22px 0 30px; }
.pricing-card__includes li {
  color: var(--slate);
  padding: 8px 0 8px 26px;
  position: relative;
  font-size: 0.94rem;
}
.pricing-card__includes li::before {
  content: "✓";
  position: absolute; left: 0;
  color: var(--success);
  font-weight: 800;
}
.pricing-card__price {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 2rem;
  color: var(--gold);
  margin-bottom: 6px;
}
.pricing-card__anchor {
  color: var(--slate);
  font-size: 0.85rem;
  margin: 0 0 22px;
}
.pricing-card .btn { width: 100%; justify-content: center; }
.pricing-card__trust {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 18px;
  color: var(--slate);
  font-size: 0.8rem;
  flex-wrap: wrap;
}
.pricing-card__badge {
  margin-top: 22px;
  display: flex;
  justify-content: center;
}

/* ---------- Guarantee ---------- */
.guarantee { background: var(--light-bg); text-align: center; }
.guarantee-badge-img {
  width: 190px;
  height: 190px;
  object-fit: contain;
  margin: 0 auto 30px;
  display: block;
}
.guarantee-copy { max-width: 560px; margin: 0 auto; font-size: 1rem; }

/* ---------- FAQ ---------- */
.faq { background: var(--light-bg); }
.faq h2, .faq .eyebrow { text-align: center; }
.accordion { max-width: 760px; margin: 44px auto 0; }
.accordion-item {
  border-bottom: 1px solid rgba(148, 163, 184, 0.22);
}
.accordion-item h3 { margin: 0; font-size: 1rem; }
.accordion-trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  padding: 20px 34px 20px 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--dark-text);
  position: relative;
}
.accordion-trigger::after {
  content: "+";
  position: absolute;
  right: 4px; top: 50%;
  transform: translateY(-50%);
  font-size: 1.3rem;
  color: var(--blue);
  transition: transform 0.25s var(--ease);
}
.accordion-trigger[aria-expanded="true"]::after { transform: translateY(-50%) rotate(45deg); }
.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s var(--ease);
}
.accordion-panel p { padding-bottom: 20px; margin: 0; font-size: 0.94rem; }

/* ---------- Final CTA ---------- */
.final-cta { background: var(--navy); text-align: center; position: relative; overflow: hidden; }
.final-cta h2 { color: var(--white); }
.final-cta__sub { color: var(--slate); font-size: 1.05rem; }
.final-cta__line {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--gold);
  font-size: 1.2rem;
  margin: 6px 0 30px;
}

/* ---------- Footer ---------- */
.footer { background: var(--navy-2); }
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 40px;
  padding-bottom: 40px;
}
.footer__logo {
  font-family: var(--font-head);
  font-weight: 800;
  color: var(--white);
  margin: 0;
  font-size: 0.9rem;
}
.footer__links { display: flex; gap: 22px; }
.footer__links a { color: var(--slate); font-size: 0.85rem; }
.footer__links a:hover { color: var(--white); }
.footer__copy { color: var(--slate); font-size: 0.8rem; margin: 0; width: 100%; text-align: center; order: 3; }

/* ---------- Mobile sticky CTA ---------- */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 90;
  background: rgba(11, 18, 32, 0.94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  border-top: 1px solid rgba(148, 163, 184, 0.2);
}
.mobile-sticky-cta .btn { width: 100%; justify-content: center; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1000px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { min-height: 320px; margin-top: 30px; }
  .card-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .card-grid--5 { grid-template-columns: repeat(3, 1fr); }
  .compare-grid { grid-template-columns: 1fr; }
  .instructor__inner { grid-template-columns: 1fr; }
  .instructor__portrait { max-width: 320px; margin: 0 auto; }
}

@media (max-width: 760px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .btn--nav { display: none; }
  .section-inner { padding: 64px 20px; }
  .card-grid--3, .card-grid--4, .card-grid--5 { grid-template-columns: 1fr; }
  .build-grid { grid-template-columns: 1fr; }
  .instructor__credentials { grid-template-columns: 1fr; }
  .journey-step { width: 100%; flex-direction: row; justify-content: flex-start; }
  .journey-track { flex-direction: column; }

  /* Above-the-fold hero tightening */
  .hero__inner { padding: 28px 20px 40px; gap: 32px; }
  .hero__sub { font-size: 1rem; }
  .hero-flow { margin: 18px 0 16px; padding: 12px 14px; }
  .hero-flow__steps { font-size: 0.84rem; }
  .badges { margin: 14px 0 18px; gap: 8px 16px; }
  .hero__qualifier { font-size: 0.85rem; margin: -2px 0 18px; }
  .hero__cta { margin-bottom: 4px; }
  .hero__visual { min-height: 0; margin-top: 12px; }
  .float-stat { display: none; }

  .mobile-sticky-cta { display: block; }
  body { padding-bottom: 74px; }
  .footer__inner { flex-direction: column; text-align: center; }
}