/* ============ AmaSkills — main stylesheet ============ */

:root {
  --c-bg: #ffffff;
  --c-bg-soft: #f8f7ff;
  --c-bg-mute: #f1f0fb;
  --c-text: #0f172a;
  --c-text-soft: #475569;
  --c-text-mute: #94a3b8;
  --c-border: #e8e6f4;
  --c-primary: #4f46e5;
  --c-primary-2: #7c3aed;
  --c-primary-3: #a855f7;
  --c-accent: #f59e0b;
  --c-accent-2: #fb923c;
  --c-success: #10b981;
  --c-pink: #ec4899;
  --c-cyan: #06b6d4;

  --grad-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #a855f7 100%);
  --grad-accent: linear-gradient(135deg, #f59e0b 0%, #fb923c 100%);
  --grad-mesh: radial-gradient(at 20% 15%, #c7d2fe 0px, transparent 50%),
               radial-gradient(at 80% 10%, #fbcfe8 0px, transparent 50%),
               radial-gradient(at 70% 80%, #ddd6fe 0px, transparent 50%),
               radial-gradient(at 0% 90%, #fed7aa 0px, transparent 50%);

  --shadow-sm: 0 1px 2px 0 rgb(15 23 42 / 0.04);
  --shadow-md: 0 4px 14px -2px rgb(79 70 229 / 0.10), 0 2px 4px -1px rgb(15 23 42 / 0.04);
  --shadow-lg: 0 20px 50px -15px rgb(79 70 229 / 0.25), 0 8px 16px -8px rgb(15 23 42 / 0.08);
  --shadow-xl: 0 30px 80px -20px rgb(79 70 229 / 0.35);

  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;
  --r-full: 999px;

  --ff-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --ff-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --container: 1200px;
  --nav-h: 68px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
  overflow-x: hidden; /* fallback for browsers w/o clip */
}

body {
  font-family: var(--ff-body);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'cv11', 'ss01';
  overflow-x: clip;
  overflow-x: hidden;
  position: relative;
  width: 100%;
  max-width: 100vw;
}
body.menu-open { overflow: hidden; }

/* Belt-and-suspenders: clip decorative pseudo-elements that bleed */
.hero, .cta-wrap, .cta, footer, section { overflow-x: clip; }

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

/* iOS: no double-tap zoom on interactive elements (keeps pinch-zoom on content) */
a, button, .btn, .chip, .cat-card, .course-card, .test-card, .step, .instr-card,
.burger, .mobile-links a, .socials a, .footer-col a, label, summary, [role="button"] {
  touch-action: manipulation;
}

/* iOS: prevent auto-zoom-on-focus by keeping form fields ≥ 16px */
input, select, textarea {
  font-size: 16px;
  font-family: inherit;
}

.container { max-width: var(--container); margin-inline: auto; padding-inline: 24px; }

/* ============ Buttons ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--r-full);
  font-weight: 600; font-size: 15px; letter-spacing: -0.01em;
  transition: transform .18s ease, box-shadow .18s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
  min-height: 44px;
  -webkit-tap-highlight-color: transparent;
}
.btn-primary {
  background: var(--grad-primary);
  color: #fff;
  box-shadow: var(--shadow-md);
}
.btn-ghost {
  background: rgba(255,255,255,0.6); color: var(--c-text);
  border: 1px solid var(--c-border);
  backdrop-filter: blur(8px);
}
.btn-dark { background: #0f172a; color: #fff; }
.btn-lg { padding: 16px 28px; font-size: 16px; min-height: 52px; }

@media (hover: hover) {
  .btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-lg); }
  .btn-ghost:hover { background: #fff; border-color: var(--c-primary); color: var(--c-primary); }
  .btn-dark:hover { transform: translateY(-1px); background: #1e293b; }
}
.btn:active { transform: translateY(0); }

/* ============ Nav ============ */
.nav-wrap {
  position: sticky; top: 0; z-index: 100;
  padding: 14px 0;
  background: rgba(255,255,255,0.78);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid rgba(232,230,244,0.6);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--ff-display); font-weight: 800; font-size: 22px; letter-spacing: -0.03em; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--grad-primary);
  display: grid; place-items: center;
  box-shadow: var(--shadow-md);
}
.brand-mark svg { color: #fff; }
.brand-mark-img {
  width: 40px; height: 40px; display: block;
  flex-shrink: 0;
  filter: drop-shadow(0 4px 10px rgba(124, 58, 237, 0.18));
}
.brand-name { color: var(--c-text); }
.brand-name b { background: var(--grad-primary); -webkit-background-clip: text; background-clip: text; color: transparent; }

.nav-links { display: flex; gap: 28px; }
.nav-links a {
  font-size: 15px; font-weight: 500; color: var(--c-text-soft);
  position: relative; padding: 6px 0;
  transition: color .15s ease;
}
.nav-links a::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
  background: var(--grad-primary); border-radius: 2px;
  transition: width .2s ease;
}
@media (hover: hover) {
  .nav-links a:hover { color: var(--c-primary); }
  .nav-links a:hover::after { width: 100%; }
}

.nav-cta { display: flex; gap: 10px; align-items: center; }

.burger {
  display: none;
  width: 44px; height: 44px; border-radius: 12px;
  border: 1px solid var(--c-border);
  background: #fff;
  align-items: center; justify-content: center;
  -webkit-tap-highlight-color: transparent;
}
.burger .burger-close { display: none; }
body.menu-open .burger .burger-open { display: none; }
body.menu-open .burger .burger-close { display: block; }

/* Mobile menu */
.mobile-menu {
  position: absolute; left: 0; right: 0; top: 100%;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--c-border);
  padding: 20px 24px 28px;
  transform: translateY(-12px); opacity: 0; pointer-events: none;
  transition: transform .25s ease, opacity .2s ease;
  box-shadow: 0 20px 40px -20px rgba(15,23,42,0.18);
  display: none;
}
body.menu-open .mobile-menu { transform: translateY(0); opacity: 1; pointer-events: auto; }
.mobile-links { display: flex; flex-direction: column; gap: 4px; margin-bottom: 18px; }
.mobile-links a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 14px;
  font-size: 17px; font-weight: 600; color: var(--c-text);
  border-radius: 12px;
  -webkit-tap-highlight-color: transparent;
}
.mobile-links a::after {
  content: '→'; color: var(--c-text-mute); font-weight: 400; font-size: 18px;
  transition: transform .15s, color .15s;
}
.mobile-links a:active { background: var(--c-bg-soft); }
.mobile-links a:active::after { color: var(--c-primary); transform: translateX(4px); }
.mobile-cta { display: flex; flex-direction: column; gap: 10px; padding-top: 16px; border-top: 1px solid var(--c-border); }
.mobile-cta .btn { width: 100%; }

.mobile-overlay {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(15,23,42,0.4);
  backdrop-filter: blur(2px);
}

/* ============ Hero ============ */
.hero {
  position: relative; overflow: hidden;
  isolation: isolate;
  padding: 80px 0 100px;
}
.hero::before {
  content: ''; position: absolute; inset: -200px -200px auto -200px; height: 800px;
  background: var(--grad-mesh);
  filter: blur(60px); opacity: 0.7;
  z-index: -1;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 60px; align-items: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border-radius: var(--r-full);
  background: #fff; border: 1px solid var(--c-border);
  font-size: 13px; font-weight: 600; color: var(--c-text-soft);
  box-shadow: var(--shadow-sm);
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--c-success); box-shadow: 0 0 0 4px rgba(16,185,129,0.18); }

h1.hero-title {
  font-family: var(--ff-display); font-weight: 800; font-size: clamp(34px, 6.4vw, 68px);
  letter-spacing: -0.035em; line-height: 1.05; margin: 22px 0 22px;
  color: var(--c-text);
}
.hero-title .accent {
  background: var(--grad-primary); -webkit-background-clip: text; background-clip: text; color: transparent;
  position: relative;
}
.hero-title .accent::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -4px; height: 12px;
  background: var(--grad-accent); opacity: .25; border-radius: 8px;
  z-index: -1;
}
.hero-sub { font-size: 18px; color: var(--c-text-soft); max-width: 540px; margin-bottom: 30px; }

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

.hero-stats {
  margin-top: 44px; display: flex; gap: 36px; flex-wrap: wrap;
  padding-top: 28px; border-top: 1px solid var(--c-border);
}
.hero-stat .num {
  font-family: var(--ff-display); font-weight: 800; font-size: 28px; letter-spacing: -0.02em;
  background: var(--grad-primary); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-stat .lbl { font-size: 13px; color: var(--c-text-soft); margin-top: 2px; }

/* Hero visual */
.hero-visual { position: relative; aspect-ratio: 1/1; max-width: 560px; margin-left: auto; }
.hero-visual .blob {
  position: absolute; inset: 0;
  background: var(--grad-primary);
  border-radius: 38% 62% 55% 45% / 50% 40% 60% 50%;
  filter: blur(0); opacity: .9;
  animation: morph 14s ease-in-out infinite;
  box-shadow: var(--shadow-xl);
}
@keyframes morph {
  0%,100% { border-radius: 38% 62% 55% 45% / 50% 40% 60% 50%; }
  50%     { border-radius: 60% 40% 40% 60% / 55% 60% 40% 45%; }
}
.hero-visual .float {
  position: absolute; background: #fff; border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg); padding: 14px 16px;
  display: flex; align-items: center; gap: 12px;
  animation: float 6s ease-in-out infinite;
}
.float-card-1 { top: 6%; left: -6%; animation-delay: 0s; }
.float-card-2 { top: 38%; right: -8%; animation-delay: -2s; }
.float-card-3 { bottom: 8%; left: 8%; animation-delay: -4s; }
@keyframes float {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-12px); }
}
.float-ico { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; flex-shrink: 0; }
.float-ico.ico-violet { background: linear-gradient(135deg, #ede9fe, #ddd6fe); color: var(--c-primary-2); }
.float-ico.ico-amber  { background: linear-gradient(135deg, #fef3c7, #fde68a); color: #b45309; }
.float-ico.ico-emerald{ background: linear-gradient(135deg, #d1fae5, #a7f3d0); color: #047857; }
.float-txt .t1 { font-weight: 700; font-size: 14px; }
.float-txt .t2 { font-size: 12px; color: var(--c-text-soft); margin-top: 2px; }

.hero-portrait {
  position: absolute; inset: 10% 10% 10% 10%;
  background: #fff;
  border-radius: 26px;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  padding: 24px;
}
.hero-portrait .hp-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(at 20% 0%, #ddd6fe 0px, transparent 50%),
    radial-gradient(at 100% 100%, #fde68a 0px, transparent 50%),
    radial-gradient(at 0% 100%, #fbcfe8 0px, transparent 50%),
    #ffffff;
  opacity: 0.6;
}
.hero-portrait .hp-content { position: relative; height: 100%; display: flex; flex-direction: column; gap: 18px; }
.hp-tag {
  display: inline-flex; align-self: flex-start; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: var(--r-full);
  background: rgba(15,23,42,0.06); color: var(--c-text-soft);
  font-size: 12px; font-weight: 600;
}
.hp-tag::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: #ef4444; box-shadow: 0 0 0 4px rgba(239,68,68,0.18); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 4px rgba(239,68,68,0.18); } 50% { box-shadow: 0 0 0 8px rgba(239,68,68,0); } }
.hp-title {
  font-family: var(--ff-display); font-weight: 800; font-size: 30px; line-height: 1.1;
  letter-spacing: -0.025em; color: var(--c-text);
}
.hp-prog { display: flex; flex-direction: column; gap: 6px; }
.hp-prog-bar { height: 8px; background: #f1f0fb; border-radius: var(--r-full); overflow: hidden; }
.hp-prog-bar span { display: block; height: 100%; background: var(--grad-primary); border-radius: inherit; }
.hp-prog-lbl { display: flex; justify-content: space-between; font-size: 12px; color: var(--c-text-soft); }
.hp-prog-lbl b { color: var(--c-primary); font-family: var(--ff-display); font-weight: 700; font-size: 13px; }
.hp-list { display: flex; flex-direction: column; gap: 8px; margin-top: auto; }
.hp-row {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; background: rgba(15,23,42,0.03); border-radius: 10px;
  font-size: 13px; color: var(--c-text-soft); font-weight: 500;
}
.hp-row .dot { width: 8px; height: 8px; border-radius: 50%; background: #cbd5e1; }
.hp-row.done .dot { background: var(--c-success); }
.hp-row.done { color: var(--c-text); }
.hp-row.now { background: linear-gradient(135deg, #ede9fe, #fce7f3); color: var(--c-primary-2); font-weight: 700; }
.hp-row.now .dot { background: var(--c-primary-2); box-shadow: 0 0 0 3px rgba(124,58,237,0.2); animation: pulse2 2s infinite; }
@keyframes pulse2 { 0%,100% { box-shadow: 0 0 0 3px rgba(124,58,237,0.2); } 50% { box-shadow: 0 0 0 7px rgba(124,58,237,0); } }

/* ============ Social proof strip ============ */
.proof {
  padding: 36px 0 !important;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
  background: var(--c-bg-soft);
}
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.proof-item { text-align: center; padding: 6px 8px; position: relative; }
.proof-item + .proof-item::before {
  content: ''; position: absolute; left: 0; top: 18%; bottom: 18%;
  width: 1px; background: var(--c-border);
}
.proof-num {
  font-family: var(--ff-display); font-weight: 800;
  font-size: clamp(28px, 3.4vw, 40px); letter-spacing: -0.03em; line-height: 1;
  background: var(--grad-primary); -webkit-background-clip: text; background-clip: text; color: transparent;
  display: inline-flex; align-items: baseline; gap: 2px;
}
.proof-num span {
  font-size: 0.6em;
  background: var(--grad-accent); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.proof-lbl {
  font-size: 13px; color: var(--c-text-soft); font-weight: 500;
  margin-top: 8px; letter-spacing: -0.005em;
}

/* ============ Sections ============ */
section { padding: 96px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-head .kicker {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--c-primary); margin-bottom: 14px;
}
.section-head h2 {
  font-family: var(--ff-display); font-weight: 800; font-size: clamp(28px, 4vw, 46px);
  letter-spacing: -0.025em; line-height: 1.1; margin-bottom: 16px;
}
.section-head p { font-size: 17px; color: var(--c-text-soft); }

/* ============ Categories ============ */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cat-card {
  position: relative;
  padding: 28px;
  background: #fff; border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  overflow: hidden;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.cat-card::before {
  content: ''; position: absolute; inset: auto -40% -60% auto;
  width: 220px; height: 220px; border-radius: 50%;
  background: var(--cat-glow, var(--grad-primary));
  opacity: 0; transition: opacity .25s ease;
  filter: blur(20px);
}
@media (hover: hover) {
  .cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
  .cat-card:hover::before { opacity: .18; }
}
.cat-card:active { transform: scale(0.98); }
.cat-ico {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center; margin-bottom: 18px;
  background: var(--cat-bg, #ede9fe); color: var(--cat-fg, var(--c-primary));
}
.cat-ico-img {
  width: 96px; height: 96px;
  display: block;
  margin: -6px -6px 12px -6px;
  filter: drop-shadow(0 6px 18px rgba(15,23,42,0.06));
  transition: transform .25s ease;
}
@media (hover: hover) {
  .cat-card:hover .cat-ico-img { transform: translateY(-3px) scale(1.06); }
}
.cat-card h3 { font-family: var(--ff-display); font-weight: 700; font-size: 18px; margin-bottom: 6px; letter-spacing: -0.01em; }
.cat-card p { font-size: 14px; color: var(--c-text-soft); }
.cat-card .count { display: inline-block; margin-top: 12px; font-size: 13px; font-weight: 600; color: var(--c-primary); }

/* ============ Featured courses ============ */
.bg-soft { background: var(--c-bg-soft); }

.courses-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  margin-bottom: 28px; flex-wrap: wrap;
}
.chips-wrap { flex: 1; min-width: 0; }
.chips {
  display: flex; gap: 8px; flex-wrap: wrap;
}
.chip {
  padding: 10px 16px; border-radius: var(--r-full);
  background: #fff; border: 1px solid var(--c-border);
  font-size: 14px; font-weight: 500; color: var(--c-text-soft);
  transition: all .15s ease;
  white-space: nowrap;
  min-height: 40px;
  -webkit-tap-highlight-color: transparent;
}
.chip.active { color: #fff; background: var(--grad-primary); border-color: transparent; box-shadow: var(--shadow-sm); }
@media (hover: hover) { .chip:hover { color: #fff; background: var(--grad-primary); border-color: transparent; } }

.courses-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.course-card {
  background: #fff; border-radius: var(--r-lg); border: 1px solid var(--c-border);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
@media (hover: hover) {
  .course-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
  .course-card:hover .course-thumb img { transform: scale(1.06); }
}
.course-thumb {
  aspect-ratio: 16/10; background: var(--c-bg-mute);
  position: relative; overflow: hidden;
}
.course-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.course-badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  padding: 6px 11px; border-radius: var(--r-full);
  background: rgba(15,23,42,0.78); color: #fff; backdrop-filter: blur(8px);
  font-size: 12px; font-weight: 600;
}
.course-badge.bestseller { background: var(--grad-accent); color: #422006; }
.course-badge.new { background: var(--grad-primary); color: #fff; }

.course-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.course-cat { font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--c-primary); margin-bottom: 8px; }
.course-card h3 { font-family: var(--ff-display); font-weight: 700; font-size: 19px; line-height: 1.3; letter-spacing: -0.015em; margin-bottom: 10px; }
.course-meta { display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--c-text-soft); margin-bottom: 14px; flex-wrap: wrap; }
.course-meta .sep { width: 3px; height: 3px; border-radius: 50%; background: var(--c-text-mute); }
.rating { display: inline-flex; align-items: center; gap: 4px; }
.rating .star { color: var(--c-accent); }
.rating b { color: var(--c-text); }

.course-instr { display: flex; align-items: center; gap: 10px; margin-top: auto; padding-top: 14px; border-top: 1px dashed var(--c-border); }
.course-instr > img { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.course-instr > div:not(.course-price) { min-width: 0; flex: 1; }
.course-instr .n { font-size: 13px; font-weight: 600; color: var(--c-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.course-instr .r { font-size: 12px; color: var(--c-text-soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.course-price { margin-left: auto; text-align: right; flex-shrink: 0; }
.course-price .now { font-family: var(--ff-display); font-weight: 800; font-size: 18px; color: var(--c-text); }
.course-price .old { font-size: 12px; color: var(--c-text-mute); text-decoration: line-through; }

/* Course thumb gradient generator */
.course-thumb.gen { display: grid; place-items: center; padding: 0; position: relative; }
.course-thumb.gen::before {
  content: ''; position: absolute; inset: 0;
  background: var(--thumb-grad, var(--grad-primary));
}
.course-thumb.gen::after {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(at 30% 20%, rgba(255,255,255,0.45) 0px, transparent 40%),
    radial-gradient(at 80% 90%, rgba(0,0,0,0.18) 0px, transparent 50%);
}
.course-thumb.gen .thumb-icon {
  position: relative; z-index: 1;
  width: 86px; height: 86px; border-radius: 22px;
  background: rgba(255,255,255,0.22); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.32);
  display: grid; place-items: center; color: #fff;
  box-shadow: 0 10px 30px -10px rgba(0,0,0,0.25);
}
.course-thumb.gen .thumb-tag {
  position: absolute; bottom: 14px; left: 14px; z-index: 1;
  padding: 6px 11px; border-radius: var(--r-full);
  background: rgba(255,255,255,0.92); color: var(--c-text);
  font-size: 12px; font-weight: 700; letter-spacing: -0.005em;
}

/* ============ How it works ============ */
.steps {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  counter-reset: step;
}
.step {
  position: relative; padding: 32px 24px 28px;
  background: #fff; border-radius: var(--r-lg); border: 1px solid var(--c-border);
  counter-increment: step;
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
@media (hover: hover) {
  .step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
}
.step::before {
  content: counter(step, decimal-leading-zero);
  position: absolute; top: 22px; right: 22px;
  font-family: var(--ff-display); font-weight: 800; font-size: 36px; letter-spacing: -0.03em;
  background: var(--grad-primary); -webkit-background-clip: text; background-clip: text; color: transparent;
  opacity: 0.4;
}
.step-ico {
  width: 54px; height: 54px; border-radius: 14px; margin-bottom: 18px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, #ede9fe, #ddd6fe); color: var(--c-primary-2);
}
.step h3 { font-family: var(--ff-display); font-weight: 700; font-size: 19px; margin-bottom: 10px; letter-spacing: -0.015em; }
.step p { font-size: 14px; color: var(--c-text-soft); line-height: 1.6; }

/* ============ Instructors ============ */
.instr-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.instr-card {
  position: relative; padding: 0;
  background: #fff; border-radius: var(--r-lg); border: 1px solid var(--c-border);
  overflow: hidden; transition: transform .2s, box-shadow .2s, border-color .2s;
}
@media (hover: hover) {
  .instr-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
  .instr-card:hover .instr-photo img { transform: scale(1.05); }
}
.instr-photo { aspect-ratio: 4/5; overflow: hidden; background: var(--c-bg-mute); position: relative; }
.instr-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; display: block; }
.instr-body { padding: 18px 20px 22px; }
.instr-body h3 { font-family: var(--ff-display); font-weight: 700; font-size: 18px; letter-spacing: -0.015em; }
.instr-body .role { font-size: 13px; color: var(--c-text-soft); margin-top: 3px; }
.instr-body .stats { display: flex; gap: 14px; margin-top: 12px; font-size: 12px; color: var(--c-text-soft); }
.instr-body .stats b { display: block; color: var(--c-text); font-size: 14px; font-weight: 700; font-family: var(--ff-display); }

/* ============ Testimonials ============ */
.test-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.test-card {
  padding: 28px; background: #fff; border-radius: var(--r-lg); border: 1px solid var(--c-border);
  display: flex; flex-direction: column; gap: 18px;
  transition: transform .2s, box-shadow .2s;
  position: relative;
}
@media (hover: hover) { .test-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); } }
.test-card .quote-mark {
  font-family: var(--ff-display); font-size: 70px; line-height: 0.7;
  background: var(--grad-primary); -webkit-background-clip: text; background-clip: text; color: transparent;
  height: 30px;
}
.test-card p { font-size: 15px; color: var(--c-text); line-height: 1.6; }
.test-author { display: flex; align-items: center; gap: 12px; margin-top: auto; padding-top: 16px; border-top: 1px solid var(--c-border); }
.test-author img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.test-author .n { font-weight: 700; font-size: 14px; }
.test-author .r { font-size: 12px; color: var(--c-text-soft); margin-top: 1px; }

/* ============ CTA ============ */
.cta-wrap { padding: 80px 0; }
.cta {
  position: relative; overflow: hidden;
  padding: 70px 60px;
  background: var(--grad-primary);
  border-radius: 32px;
  color: #fff;
  display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; align-items: center;
  box-shadow: var(--shadow-xl);
}
.cta::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(at 80% 0%, rgba(245,158,11,0.5) 0px, transparent 50%),
              radial-gradient(at 0% 100%, rgba(236,72,153,0.4) 0px, transparent 50%);
  pointer-events: none;
}
.cta h2 { font-family: var(--ff-display); font-weight: 800; font-size: clamp(26px, 4vw, 42px); letter-spacing: -0.025em; line-height: 1.1; margin-bottom: 14px; position: relative; }
.cta p { font-size: 17px; opacity: 0.92; margin-bottom: 26px; position: relative; max-width: 560px; }
.cta .btn { position: relative; }
.cta .btn-primary { background: #fff; color: var(--c-primary); box-shadow: 0 10px 30px -10px rgba(0,0,0,0.3); }
.cta .btn-ghost { background: rgba(255,255,255,0.12); color: #fff; border-color: rgba(255,255,255,0.3); }
@media (hover: hover) {
  .cta .btn-primary:hover { background: #fff; color: var(--c-primary-2); }
  .cta .btn-ghost:hover { background: rgba(255,255,255,0.22); border-color: rgba(255,255,255,0.5); color: #fff; }
}

.cta-visual { position: relative; aspect-ratio: 1/1; }
.cta-visual .ring {
  position: absolute; inset: 0; border-radius: 50%;
  border: 2px dashed rgba(255,255,255,0.35);
  animation: spin 40s linear infinite;
}
.cta-visual .ring.r2 { inset: 12%; border-color: rgba(255,255,255,0.25); animation-duration: 60s; animation-direction: reverse; }
.cta-visual .ring.r3 { inset: 24%; border-color: rgba(255,255,255,0.18); animation-duration: 80s; }
@keyframes spin { to { transform: rotate(360deg); } }
.cta-visual .center {
  position: absolute; inset: 30%; background: rgba(255,255,255,0.95);
  border-radius: 50%; display: grid; place-items: center;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.4);
}
.cta-visual .center svg { color: var(--c-primary); width: 60%; height: 60%; }

/* ============ Footer ============ */
footer {
  background: #0b0f1f; color: #cbd5e1;
  padding: 70px 0 30px;
  position: relative; overflow: hidden;
}
footer::before {
  content: ''; position: absolute; inset: -100px;
  background: radial-gradient(at 20% 0%, rgba(124,58,237,0.18) 0px, transparent 50%),
              radial-gradient(at 80% 100%, rgba(79,70,229,0.14) 0px, transparent 50%);
  pointer-events: none;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; position: relative; }
.footer-brand .brand { color: #fff; }
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-name b { background: linear-gradient(135deg, #c4b5fd, #fbcfe8); -webkit-background-clip: text; background-clip: text; color: transparent; }
.footer-brand p { font-size: 14px; color: #94a3b8; margin: 16px 0 20px; max-width: 320px; }
.socials { display: flex; gap: 10px; }
.socials a {
  width: 42px; height: 42px; border-radius: 10px;
  display: grid; place-items: center;
  background: rgba(255,255,255,0.06); color: #cbd5e1;
  transition: background .2s, color .2s, transform .2s;
  -webkit-tap-highlight-color: transparent;
}
@media (hover: hover) {
  .socials a:hover { background: var(--c-primary); color: #fff; transform: translateY(-2px); }
}
.footer-col h4 { font-family: var(--ff-display); font-weight: 700; font-size: 14px; color: #fff; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { font-size: 14px; color: #94a3b8; transition: color .15s; padding: 4px 0; display: inline-block; }
@media (hover: hover) { .footer-col a:hover { color: #fff; } }
.footer-bottom {
  margin-top: 50px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-size: 13px; color: #64748b; position: relative; flex-wrap: wrap;
}

/* ============ Animations on scroll ============ */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet (≤ 1024px) */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 50px; }
  .hero-visual { margin: 0 auto; max-width: 480px; width: 100%; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .courses-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .instr-grid { grid-template-columns: repeat(2, 1fr); }
  .test-grid { grid-template-columns: 1fr; max-width: 720px; margin: 0 auto; }
  .cta { grid-template-columns: 1fr; padding: 50px 36px; text-align: center; }
  .cta-visual { max-width: 240px; margin: 0 auto; }
  .cta p { margin-left: auto; margin-right: auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* Mobile (≤ 760px) */
@media (max-width: 760px) {
  :root { --container: 100%; }
  .container { padding-inline: 20px; }

  /* Nav */
  .nav-links { display: none; }
  .nav-cta-desktop, .nav-cta .btn-ghost { display: none; }
  .nav-cta .btn-primary { display: none; }
  .burger { display: inline-flex; }
  .mobile-menu { display: block; }
  .nav { gap: 12px; }
  .nav-wrap { padding: 12px 0; }
  .brand { font-size: 20px; }
  .brand-mark { width: 32px; height: 32px; border-radius: 9px; }
  .brand-mark-img { width: 34px; height: 34px; }

  /* Section spacing */
  section { padding: 64px 0; }
  .cta-wrap { padding: 50px 0; }

  /* Hero */
  .hero { padding: 36px 0 60px; }
  .hero-grid { gap: 36px; }
  h1.hero-title { font-size: clamp(30px, 8.6vw, 44px); margin: 16px 0 16px; line-height: 1.08; }
  .hero-sub { font-size: 16px; margin-bottom: 22px; }
  .hero-actions .btn { flex: 1; min-width: 0; }
  .hero-actions .btn-lg { padding: 14px 16px; font-size: 15px; }
  .hero-stats { gap: 24px; margin-top: 30px; padding-top: 22px; }
  .hero-stat .num { font-size: 24px; }
  .hero-stat .lbl { font-size: 12px; }

  /* Hero visual */
  .hero-visual { max-width: 360px; }
  .hero-portrait { inset: 12% 12% 12% 12%; padding: 16px; border-radius: 20px; }
  .hp-title { font-size: 22px; }
  .hp-content { gap: 12px; }
  .hp-row { font-size: 12px; padding: 7px 10px; }
  .hp-list { gap: 6px; }
  .float { padding: 10px 12px; gap: 9px; border-radius: 14px; }
  .float-ico { width: 32px; height: 32px; border-radius: 8px; }
  .float-ico svg { width: 18px; height: 18px; }
  .float-txt .t1 { font-size: 12px; }
  .float-txt .t2 { font-size: 11px; }
  .float-card-1 { top: 0; left: -2%; }
  .hero-visual .float-card-2 { display: none; } /* hide middle-right card on phone — overlapped portrait text */
  .float-card-3 { bottom: 2%; left: 6%; }
  .hero-portrait { inset: 8% 6% 8% 6%; padding: 14px; } /* tighter now that float-2 is hidden */

  /* Proof strip */
  .proof { padding: 26px 0 !important; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); gap: 18px 12px; }
  .proof-item + .proof-item::before { display: none; }
  .proof-item:nth-child(odd) { border-right: 1px solid var(--c-border); }
  .proof-item:nth-child(-n+2) { padding-bottom: 14px; border-bottom: 1px solid var(--c-border); }
  .proof-num { font-size: 28px; }
  .proof-lbl { font-size: 12px; margin-top: 6px; }

  /* Section heads */
  .section-head { margin-bottom: 36px; }
  .section-head h2 { font-size: clamp(26px, 6.8vw, 34px); }
  .section-head p { font-size: 15px; }

  /* Categories — compact 2x4 grid on mobile (no descriptions, smaller icons) */
  .cat-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .cat-card { padding: 16px 14px; min-height: 140px; display: flex; flex-direction: column; }
  .cat-card p { display: none; }
  .cat-card h3 { font-size: 15px; line-height: 1.25; margin-bottom: 4px; }
  .cat-card .count { font-size: 12px; margin-top: auto; padding-top: 8px; }
  .cat-ico { width: 44px; height: 44px; margin-bottom: 10px; border-radius: 12px; }
  .cat-ico-img { width: 64px; height: 64px; margin: -4px -4px 6px -4px; }

  /* Courses: chips wrap onto multiple rows on mobile (more discoverable than horizontal scroll) */
  .courses-toolbar { gap: 14px; margin-bottom: 22px; flex-direction: column; align-items: stretch; }
  .chips-wrap { overflow: visible; }
  .chips { flex-wrap: wrap; gap: 8px; justify-content: flex-start; }
  .chip { padding: 9px 14px; font-size: 13px; }
  .view-all { display: none; }

  .courses-grid { grid-template-columns: 1fr; gap: 16px; }
  .course-card h3 { font-size: 18px; }
  .course-body { padding: 18px; }
  .course-meta { gap: 10px; font-size: 12px; }
  .course-instr .n, .course-instr .r { white-space: normal; }
  .course-price .now { font-size: 16px; }

  /* How it works */
  .steps { grid-template-columns: 1fr; gap: 14px; }
  .step { padding: 24px 22px; }
  .step::before { font-size: 30px; top: 18px; right: 18px; }
  .step-ico { width: 48px; height: 48px; margin-bottom: 14px; }

  /* Instructors — 2 cols on phone, tighter */
  .instr-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .instr-body { padding: 14px 14px 18px; }
  .instr-body h3 { font-size: 15px; }
  .instr-body .role { font-size: 12px; }
  .instr-body .stats { gap: 10px; margin-top: 10px; font-size: 11px; }
  .instr-body .stats b { font-size: 13px; }

  /* Reviews */
  .test-grid { gap: 14px; }
  .test-card { padding: 22px; gap: 14px; }
  .test-card p { font-size: 14px; }

  /* CTA */
  .cta { padding: 36px 24px; border-radius: 22px; gap: 28px; }
  .cta-visual { max-width: 160px; }
  .cta .hero-actions .btn { width: 100%; flex: 1 1 100%; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 20px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-brand p { max-width: none; }
  .footer-col h4 { margin-bottom: 14px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; align-items: center; }
}

/* Small phones (≤ 380px) */
@media (max-width: 380px) {
  .container { padding-inline: 16px; }
  h1.hero-title { font-size: 28px; }
  .hero-stats { gap: 18px; }
  .hero-stat .num { font-size: 22px; }
  .hero-actions { gap: 10px; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* Landscape phones (short height) */
@media (max-height: 500px) and (orientation: landscape) {
  .hero { padding: 28px 0 36px; }
  .hero-grid { gap: 24px; }
  .hero-visual { max-width: 280px; }
  h1.hero-title { font-size: clamp(26px, 5.4vw, 36px); margin: 12px 0 12px; }
  .hero-sub { font-size: 15px; margin-bottom: 18px; }
  .hero-stats { margin-top: 22px; padding-top: 16px; gap: 18px; }
  .nav-wrap { padding: 8px 0; }
  section { padding: 48px 0; }
  .section-head { margin-bottom: 28px; }
  .float-card-1 { top: -2%; left: 0; }
  .float-card-3 { bottom: -2%; left: 8%; }
}

/* Reduce motion */
@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; }
}