/* ══════════════════════════════════════════
   FlexLex — Dark Futuristic Theme
   ══════════════════════════════════════════ */

/* ── RESET ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: #08090e;
  color: #e4e6ef;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ── VARIABLES ── */
:root {
  --blue: #5ea3f8;
  --blue-dim: rgba(94,163,248,0.12);
  --purple: #a07cec;
  --purple-dim: rgba(160,124,236,0.12);
  --teal: #3dd6c8;
  --teal-dim: rgba(61,214,200,0.12);
  --green: #4ad66d;
  --green-dim: rgba(74,214,109,0.12);
  --orange: #f5a742;
  --orange-dim: rgba(245,167,66,0.12);
  --red: #f06060;
  --red-dim: rgba(240,96,96,0.12);
  --pink: #e86baf;
  --pink-dim: rgba(232,107,175,0.12);
  --surface: #10121a;
  --surface-2: #161923;
  --surface-3: #1c1f2e;
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.12);
  --text: #e4e6ef;
  --text-dim: #8a8fa8;
  --radius: 20px;
  --radius-sm: 12px;
  --radius-xs: 8px;
}

/* ── UTILITIES ── */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.section { padding: 120px 0; position: relative; }
.section__title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.section__sub {
  text-align: center;
  color: var(--text-dim);
  font-size: 1.1rem;
  max-width: 520px;
  margin: 0 auto 64px;
  line-height: 1.7;
}
.section-label {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--blue);
  margin-bottom: 16px;
}
.section-label--light { color: var(--teal); }
.gradient-text {
  background: linear-gradient(135deg, var(--blue) 0%, var(--purple) 40%, var(--teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── BACKGROUND GLOWS ── */
.glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}
.glow--1 {
  width: 600px; height: 600px;
  background: var(--blue);
  top: -200px; left: -200px;
  opacity: 0.12;
}
.glow--2 {
  width: 500px; height: 500px;
  background: var(--purple);
  top: 40%; right: -200px;
  opacity: 0.08;
}
.glow--3 {
  width: 400px; height: 400px;
  background: var(--teal);
  bottom: -100px; left: 30%;
  opacity: 0.07;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: none;
  font-family: inherit;
  font-size: 0.95rem;
}
.btn--lg { padding: 15px 32px; font-size: 1rem; }
.btn--primary {
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: #fff;
  box-shadow: 0 4px 24px rgba(94,163,248,0.25), 0 0 0 1px rgba(255,255,255,0.08) inset;
}
.btn--primary:hover {
  box-shadow: 0 8px 36px rgba(94,163,248,0.35), 0 0 0 1px rgba(255,255,255,0.12) inset;
  transform: translateY(-2px);
}
.btn--glass {
  background: rgba(255,255,255,0.05);
  color: var(--text);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
}
.btn--glass:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--border-hover);
}
.btn--nav {
  padding: 8px 22px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: #fff;
  border-radius: var(--radius-xs);
  font-size: 0.9rem;
  box-shadow: 0 2px 12px rgba(94,163,248,0.2);
}
.btn--nav:hover { box-shadow: 0 4px 20px rgba(94,163,248,0.3); transform: translateY(-1px); }

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(8,9,14,0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
}
.nav--scrolled {
  background: rgba(8,9,14,0.9);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav__logo {
  font-weight: 800;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: -0.02em;
  color: #fff;
}
.logo-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  object-fit: cover;
}
.nav__links { display: flex; align-items: center; gap: 36px; }
.nav__links a {
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--text-dim);
  transition: color 0.2s;
}
.nav__links a:hover { color: #fff; }
.nav__links .btn { color: #fff; }
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__toggle span {
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ── HERO ── */
.hero {
  position: relative;
  padding: 160px 0 120px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  z-index: 1;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero__badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--blue-dim);
  border: 1px solid rgba(94,163,248,0.15);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}
.hero h1 {
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: #fff;
  margin-bottom: 22px;
}
.hero__sub {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 460px;
  margin-bottom: 36px;
  line-height: 1.75;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__stats {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.hero__stat {
  display: flex;
  flex-direction: column;
}
.hero__stat strong {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}
.hero__stat span {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 2px;
}
.hero__stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* ── PHONE MOCKUP ── */
.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
}
.phone-mockup {
  width: 280px;
  background: var(--surface);
  border-radius: 40px;
  padding: 10px;
  border: 1px solid var(--border-hover);
  box-shadow:
    0 20px 60px rgba(0,0,0,0.4),
    0 0 0 1px rgba(255,255,255,0.04) inset,
    0 0 80px rgba(94,163,248,0.06);
  position: relative;
  z-index: 2;
}
.phone-notch {
  width: 100px;
  height: 26px;
  background: var(--surface);
  border-radius: 0 0 16px 16px;
  margin: 0 auto;
  position: relative;
  z-index: 3;
}
.phone-screen {
  background: var(--surface-2);
  border-radius: 32px;
  padding: 20px 16px;
  min-height: 460px;
  display: flex;
  flex-direction: column;
  margin-top: -14px;
}
.demo-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding: 0 4px;
}
.demo-set-name {
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
}
.demo-counter {
  font-size: 0.75rem;
  color: var(--text-dim);
  background: var(--surface-3);
  padding: 3px 10px;
  border-radius: 20px;
}

/* Demo flashcard */
.demo-card {
  flex: 1;
  perspective: 800px;
  cursor: pointer;
  margin-bottom: 16px;
}
.demo-card__front,
.demo-card__back {
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  backface-visibility: hidden;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.demo-card__back {
  position: absolute;
  inset: 0;
  transform: rotateY(180deg);
}
.demo-card.flipped .demo-card__front { transform: rotateY(180deg); }
.demo-card.flipped .demo-card__back { transform: rotateY(0deg); }
.demo-card__label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-bottom: 12px;
  font-weight: 600;
}
.demo-card__word {
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}
.demo-card__word--answer { color: var(--teal); }
.demo-card__hint {
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-top: 16px;
  opacity: 0.6;
}

/* Demo action buttons */
.demo-actions {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}
.demo-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: var(--radius-xs);
  flex: 1;
  text-align: center;
  letter-spacing: 0.02em;
}
.demo-action--no { background: var(--red-dim); color: var(--red); }
.demo-action--yes { background: var(--green-dim); color: var(--green); }
.demo-actions--two { gap: 12px; }
.demo-actions--two .demo-action { padding: 12px 14px; }

/* Floating cards */
.float-card {
  position: absolute;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  backdrop-filter: blur(16px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  z-index: 3;
  animation: float 6s ease-in-out infinite;
}
.float-card--1 {
  top: 20%;
  left: -40px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation-delay: 0s;
}
.float-card--1 strong {
  display: block;
  font-size: 0.8rem;
  color: #fff;
}
.float-card--1 span {
  font-size: 0.7rem;
  color: var(--text-dim);
}
.float-card__icon {
  width: 36px; height: 36px;
  border-radius: 9px;
  background: var(--blue-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
}
.float-card--2 {
  bottom: 25%;
  right: -20px;
  text-align: center;
  animation-delay: -3s;
}
.float-card__streak {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--orange);
  line-height: 1;
}
.float-card--2 span {
  font-size: 0.65rem;
  color: var(--text-dim);
  font-weight: 500;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes borderRotate {
  0% { --border-angle: 0deg; }
  100% { --border-angle: 360deg; }
}
@keyframes subtlePulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.7; }
}

/* ── BENTO GRID (Features) ── */
.features { z-index: 1; }
.bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.bento__item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.hover-glow::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255,255,255,0.03), transparent 40%);
}
.hover-glow:hover::before { opacity: 1; }
.hover-glow:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}
.bento__item--wide {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-2) 60%, rgba(94,163,248,0.03) 100%);
  border-color: rgba(94,163,248,0.12);
  box-shadow: 0 0 40px rgba(94,163,248,0.04), inset 0 1px 0 rgba(255,255,255,0.04);
}
.bento__item--wide::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border-radius: var(--radius);
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(94,163,248,0.1) 0%, transparent 40%),
    repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(255,255,255,0.008) 3px, rgba(255,255,255,0.008) 4px);
  opacity: 1;
}
.bento__item--wide .bento__icon {
  box-shadow: 0 0 20px rgba(94,163,248,0.15);
}
.bento__item--wide:hover {
  border-color: rgba(94,163,248,0.25);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25), 0 0 60px rgba(94,163,248,0.06);
}
.bento__item--half {
  grid-column: span 2;
}
.bento__icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.bento__icon svg { width: 22px; height: 22px; }
.bento__icon--blue { background: var(--blue-dim); color: var(--blue); }
.bento__icon--purple { background: var(--purple-dim); color: var(--purple); }
.bento__icon--green { background: var(--green-dim); color: var(--green); }
.bento__icon--orange { background: var(--orange-dim); color: var(--orange); }
.bento__icon--teal { background: var(--teal-dim); color: var(--teal); }
.bento__icon--pink { background: var(--pink-dim); color: var(--pink); }
.bento__item h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.bento__item p {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.65;
}

/* SRS visual */
.srs-demo {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  height: 140px;
  padding: 0 8px;
}
.srs-bar {
  flex: 1;
  height: var(--h);
  background: var(--color);
  border-radius: 6px 6px 2px 2px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  position: relative;
  opacity: 0.8;
  transition: opacity 0.2s;
}
.srs-bar:hover { opacity: 1; }
.srs-bar span {
  position: absolute;
  bottom: -24px;
  font-size: 0.6rem;
  color: var(--text-dim);
  white-space: nowrap;
  font-weight: 500;
}

/* Article coloring demo */
.article-demo {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.article-word {
  background: var(--surface-2);
  border-radius: var(--radius-xs);
  padding: 10px 16px;
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}
.article-tag {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 6px;
  text-transform: lowercase;
}
.article-tag--blue { background: var(--blue-dim); color: var(--blue); }
.article-tag--red { background: var(--red-dim); color: var(--red); }
.article-tag--green { background: var(--green-dim); color: var(--green); }

/* ── HOW IT WORKS ── */
.how { z-index: 1; }
.steps {
  max-width: 640px;
  margin: 64px auto 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  position: relative;
}
.step__number {
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
  width: 56px;
  text-align: center;
  padding-top: 4px;
}
.step__content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}
.step__content p {
  font-size: 0.95rem;
  color: var(--text-dim);
  line-height: 1.7;
}
.step__connector {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, var(--border-hover), transparent);
  margin-left: 27px;
  flex-shrink: 0;
}

/* ── STUDY MODES ── */
.modes { z-index: 1; }
.modes__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.mode-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.mode-card--wide {
  grid-column: span 3;
}
.mode-card--featured {
  grid-column: span 3;
  display: grid;
  grid-template-columns: 1fr;
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-2) 60%, rgba(94,163,248,0.04) 100%);
  border-color: rgba(94,163,248,0.18);
  padding: 36px 32px;
  box-shadow: 0 0 50px rgba(94,163,248,0.05), inset 0 1px 0 rgba(255,255,255,0.05);
}
.mode-card--featured::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border-radius: var(--radius);
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(94,163,248,0.08) 0%, transparent 35%),
    repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(255,255,255,0.008) 3px, rgba(255,255,255,0.008) 4px);
}
.mode-card--featured:hover {
  border-color: rgba(94,163,248,0.3);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25), 0 0 70px rgba(94,163,248,0.07);
}
.mode-card__glow {
  position: absolute;
  top: -50%;
  right: -20%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(94,163,248,0.1), transparent 65%);
  pointer-events: none;
  animation: subtlePulse 4s ease-in-out infinite;
}
.mode-card__number {
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 10px;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.mode-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.mode-card p {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 14px;
}
.mode-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.mode-card__tags span {
  padding: 4px 10px;
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

/* ── WHY FLEXLEX ── */
.why { z-index: 1; }
.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.why__card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.why__icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.why__icon--green { background: var(--green-dim); color: var(--green); }
.why__icon--blue { background: var(--blue-dim); color: var(--blue); }
.why__icon--purple { background: var(--purple-dim); color: var(--purple); }
.why__icon--orange { background: var(--orange-dim); color: var(--orange); }
.why__icon--teal { background: var(--teal-dim); color: var(--teal); }
.why__icon--pink { background: var(--pink-dim); color: var(--pink); }
.why__card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.why__card p {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ── PRICING ── */
.pricing { z-index: 1; }
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1080px;
  margin: 0 auto;
}
.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.pricing-card--pro {
  background: linear-gradient(160deg, var(--surface) 0%, var(--surface-2) 60%, rgba(94,163,248,0.04) 100%);
  border-color: rgba(94,163,248,0.2);
  box-shadow: 0 0 60px rgba(94,163,248,0.06), inset 0 1px 0 rgba(255,255,255,0.05), 0 0 0 1px rgba(94,163,248,0.08) inset;
}
.pricing-card--pro::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border-radius: var(--radius);
  pointer-events: none;
  background:
    linear-gradient(160deg, rgba(94,163,248,0.08) 0%, transparent 35%),
    repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(255,255,255,0.008) 3px, rgba(255,255,255,0.008) 4px);
}
.pricing-card--pro:hover {
  border-color: rgba(94,163,248,0.35);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25), 0 0 80px rgba(94,163,248,0.1);
}
.pricing-card--lifetime {
  background: var(--surface);
  border-color: rgba(160,124,236,0.2);
}
.pricing-card--lifetime:hover {
  border-color: rgba(160,124,236,0.35);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25), 0 0 60px rgba(160,124,236,0.08);
}
.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 20px;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 100px;
  white-space: nowrap;
}
.pricing-card__badge--lifetime {
  background: linear-gradient(135deg, var(--purple), #e86baf);
  letter-spacing: 0.04em;
  box-shadow: 0 4px 16px rgba(94,163,248,0.3);
}
.pricing-card__header {
  margin-bottom: 28px;
}
.pricing-card__header h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.pricing-card__price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 10px;
}
.pricing-card__amount {
  font-size: 3rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.04em;
  line-height: 1;
}
.pricing-card--pro .pricing-card__amount {
  background: linear-gradient(135deg, var(--blue), var(--teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.pricing-card__period {
  font-size: 0.9rem;
  color: var(--text-dim);
}
.pricing-card__desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.5;
}
.pricing-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  flex: 1;
}
.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text);
}
.pricing-card__features svg {
  color: var(--teal);
  flex-shrink: 0;
}
.pricing-card__btn {
  width: 100%;
  text-align: center;
}

/* ── FAQ ── */
.faq { z-index: 1; }
.faq__list {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq__item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}
.faq__item:hover {
  border-color: var(--border-hover);
}
.faq__item[open] {
  border-color: rgba(94,163,248,0.2);
  box-shadow: 0 4px 24px rgba(0,0,0,0.15);
}
.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: #fff;
  list-style: none;
  user-select: none;
  transition: color 0.2s;
}
.faq__question::-webkit-details-marker { display: none; }
.faq__question::marker { display: none; content: ''; }
.faq__question:hover { color: var(--blue); }
.faq__chevron {
  flex-shrink: 0;
  color: var(--text-dim);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq__item[open] .faq__chevron {
  transform: rotate(180deg);
  color: var(--blue);
}
.faq__answer {
  padding: 0 24px 20px;
}
.faq__answer p {
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.75;
}

/* ── FEEDBACK ── */
.feedback { z-index: 1; }
.feedback__form {
  max-width: 620px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.feedback__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.feedback__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.feedback__field label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}
.feedback__field input,
.feedback__field textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 14px 16px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  resize: vertical;
}
.feedback__field input::placeholder,
.feedback__field textarea::placeholder {
  color: var(--text-dim);
  opacity: 0.5;
}
.feedback__field input:focus,
.feedback__field textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(94,163,248,0.12);
}
.feedback__submit {
  align-self: flex-start;
  margin-top: 8px;
}

/* ── CTA ── */
.cta {
  z-index: 1;
  text-align: center;
}
.cta__inner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 32px;
  padding: 80px 40px;
  position: relative;
  overflow: hidden;
}
.cta__glow {
  position: absolute;
  top: -60%;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(94,163,248,0.1), rgba(160,124,236,0.05), transparent 70%);
  pointer-events: none;
}
.cta h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.03em;
  line-height: 1.1;
  position: relative;
}
.cta p {
  color: var(--text-dim);
  font-size: 1.05rem;
  position: relative;
}
.cta__buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
  position: relative;
}
.store-badge {
  display: inline-flex;
  align-items: center;
  background: transparent;
  border: none;
  padding: 0;
  transition: all 0.25s;
}
.store-badge--apple img {
  height: 44px;
  width: auto;
  display: block;
}
.store-badge--google img {
  height: 64px;
  width: auto;
  display: block;
  margin: -10px 0;
}
.store-badge:hover {
  transform: translateY(-2px);
  opacity: 0.85;
}
.cta__note {
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--text-dim);
  opacity: 0.5;
  position: relative;
}
.cta__platforms {
  margin-top: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-dim);
  position: relative;
}
.cta__dot {
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--text-dim);
  opacity: 0.4;
}

/* ── FOOTER ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
  z-index: 1;
  position: relative;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  align-items: start;
}
.footer__brand p { font-size: 0.85rem; color: var(--text-dim); margin-top: 8px; line-height: 1.6; }
.footer__columns {
  display: contents;
}
.footer__col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #fff;
  margin-bottom: 4px;
}
.footer__col a {
  font-size: 0.88rem;
  color: var(--text-dim);
  transition: color 0.2s;
}
.footer__col a:hover { color: #fff; }
.footer__copy {
  grid-column: 1 / -1;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  opacity: 0.5;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

/* ── BACK TO TOP ── */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 90;
  backdrop-filter: blur(12px);
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-to-top:hover {
  background: var(--surface-3);
  border-color: var(--border-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

/* ── FOCUS STYLES ── */
:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
  border-radius: 4px;
}
.btn:focus-visible,
.store-badge:focus-visible {
  outline-offset: 3px;
}

/* ── HAMBURGER ANIMATION ── */
.nav__toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav__toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .bento__item--wide { grid-column: span 2; }
  .modes__grid { grid-template-columns: repeat(2, 1fr); }
  .mode-card--featured, .mode-card--wide { grid-column: span 2; }
  .why__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer__columns { display: contents; }
}

@media (max-width: 960px) {
  .pricing__grid { grid-template-columns: 1fr 1fr; max-width: 780px; }
  .pricing-card--lifetime { grid-column: 1 / -1; max-width: 420px; margin: 0 auto; }
}

@media (max-width: 768px) {
  .section { padding: 80px 0; }
  .hero { padding: 130px 0 80px; min-height: auto; }
  .hero__inner { grid-template-columns: 1fr; gap: 60px; text-align: center; }
  .hero__sub { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .hero__stats { justify-content: center; }
  .hero__visual { order: -1; }
  .phone-mockup { width: 250px; }
  .float-card--1 { left: 0; top: 10%; }
  .float-card--2 { right: 0; }
  .bento { grid-template-columns: 1fr; }
  .bento__item--wide, .bento__item--half { grid-column: span 1; }
  .bento__item--wide { grid-template-columns: 1fr; }
  .bento__visual--srs { margin-top: 16px; }
  .modes__grid { grid-template-columns: 1fr; }
  .mode-card--featured, .mode-card--wide { grid-column: span 1; }
  .why__grid { grid-template-columns: 1fr; }
  .pricing__grid { grid-template-columns: 1fr; max-width: 420px; }
  .pricing-card--lifetime { order: 3; }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer__brand { grid-column: 1 / -1; }
  .faq__question { padding: 16px 20px; font-size: 0.95rem; }
  .faq__answer { padding: 0 20px 16px; }
  .feedback__row { grid-template-columns: 1fr; }
  .feedback__submit { width: 100%; justify-content: center; }
}

@media (max-width: 600px) {
  .nav__links {
    position: fixed;
    top: 72px;
    left: 0; right: 0;
    background: rgba(8,9,14,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    z-index: 99;
  }
  .nav__links.open { transform: translateY(0); }
  .nav__links li { width: 100%; }
  .nav__links a { display: block; padding: 14px 24px; font-size: 1rem; }
  .nav__links .btn {
    margin: 8px 24px;
    width: calc(100% - 48px);
    justify-content: center;
  }
  .nav__toggle { display: flex; }
  .hero h1 { font-size: 2.2rem; }
  .hero__stats { gap: 20px; }
  .hero__stat strong { font-size: 1.2rem; }
  .cta__inner { padding: 60px 24px; border-radius: 24px; }
  .footer__inner { display: flex; flex-direction: column; text-align: center; gap: 32px; }
  .footer__columns { display: flex; flex-wrap: wrap; justify-content: center; gap: 32px; }
  .footer__col { align-items: center; }
  .back-to-top { bottom: 20px; right: 20px; }
}