/* ═══════════════════════════════════════════════
   AB Fitness — Landing Page Styles
   ═══════════════════════════════════════════════ */

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

:root {
  --bg:       #0a0a0a;
  --surface:  #111111;
  --surface2: #181818;
  --border:   #222222;
  --text:     #f0f0f0;
  --muted:    #777;
  --orange:   #ff6b35;
  --orange2:  #ff9a6b;
  --red:      #e74c3c;
  --t: .2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Gradient text ───────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, var(--orange) 0%, #ff3e6b 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ── Buttons ─────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: .45rem;
  background: linear-gradient(135deg, var(--orange), #ff3e6b);
  color: #fff; border: none; border-radius: 10px;
  padding: .7rem 1.4rem; font-family: 'Inter', sans-serif;
  font-size: .88rem; font-weight: 600; cursor: pointer;
  text-decoration: none; transition: opacity var(--t), transform .12s;
}
.btn-primary:hover { opacity: .9; transform: translateY(-1px); }
.btn-primary:active { transform: scale(.97); }
.btn-primary.btn-lg { padding: .85rem 1.8rem; font-size: .95rem; border-radius: 12px; }

.btn-ghost {
  display: inline-flex; align-items: center; gap: .45rem;
  background: transparent; color: var(--text);
  border: 1px solid var(--border); border-radius: 10px;
  padding: .7rem 1.4rem; font-family: 'Inter', sans-serif;
  font-size: .88rem; font-weight: 500; cursor: pointer;
  text-decoration: none; transition: border-color var(--t), transform .12s;
}
.btn-ghost:hover { border-color: #555; }
.btn-ghost.btn-lg { padding: .85rem 1.8rem; font-size: .95rem; border-radius: 12px; }

/* ── NAV ─────────────────────────────────────────── */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,10,10,.8); backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t), padding var(--t);
  padding: 0;
}
#navbar.scrolled { border-color: var(--border); }

.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.5rem;
  transition: padding var(--t);
}
#navbar.scrolled .nav-inner { padding: .7rem 1.5rem; }

.nav-logo {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.45rem; font-weight: 800; letter-spacing: .02em;
  color: var(--text); text-decoration: none;
  display: flex; align-items: center; gap: .4rem;
}
.nav-logo span { color: var(--orange); }
.logo-icon { color: var(--orange); font-size: 1.15rem; }

.nav-links {
  display: flex; align-items: center; gap: .25rem; list-style: none;
}
.nav-links a {
  color: var(--muted); text-decoration: none; font-size: .87rem; font-weight: 500;
  padding: .45rem .75rem; border-radius: 8px; transition: color var(--t), background var(--t);
}
.nav-links a:hover { color: var(--text); background: var(--surface2); }
.back-link {
  color: #555 !important; border: 1px solid var(--border); border-radius: 8px !important;
}
.back-link:hover { border-color: #444 !important; }

.nav-cta { display: flex; align-items: center; gap: .6rem; }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: transparent; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text); border-radius: 2px; transition: var(--t);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ─────────────────────────────────────────── */
.hero {
  min-height: 100vh; padding: 7rem 1.5rem 4rem;
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; gap: 3rem;
  position: relative; overflow: hidden;
}

.hero-bg-grid {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,107,53,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,107,53,.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content { flex: 1; max-width: 560px; }

.hero-badge {
  display: inline-flex; align-items: center; gap: .4rem;
  background: rgba(255,107,53,.1); color: var(--orange);
  border: 1px solid rgba(255,107,53,.25); border-radius: 20px;
  font-size: .74rem; font-weight: 600; padding: .3rem .9rem;
  margin-bottom: 1.2rem; letter-spacing: .03em;
}

.hero h1 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(3rem, 7vw, 5.5rem); font-weight: 900;
  line-height: 1.0; letter-spacing: -.01em;
  margin-bottom: 1.1rem;
}

.hero p {
  font-size: 1rem; color: var(--muted); line-height: 1.7;
  margin-bottom: 1.4rem; max-width: 480px;
}

.deal-wrap {
  display: inline-flex; align-items: center; gap: .5rem;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: .55rem 1rem;
  font-size: .84rem; margin-bottom: 1.5rem;
}
.deal-wrap i { color: var(--orange); }
.countdown-timer { color: var(--orange); font-weight: 700; font-family: monospace; font-size: .95rem; }

.hero-btns { display: flex; gap: .75rem; flex-wrap: wrap; margin-bottom: 2rem; }

.hero-stats {
  display: flex; align-items: center; gap: 1.2rem;
}
.hstat { display: flex; flex-direction: column; }
.hstat strong { font-size: 1.35rem; font-weight: 800; }
.hstat span   { font-size: .72rem; color: var(--muted); }
.hstat-div    { width: 1px; height: 32px; background: var(--border); }

.hero-img {
  flex: 1; display: flex; justify-content: center; align-items: center;
  position: relative; max-width: 520px;
}
.hero-img img {
  width: 100%; max-width: 480px; border-radius: 20px;
  position: relative; z-index: 1;
  filter: drop-shadow(0 24px 48px rgba(255,107,53,.18));
}
.hero-img-glow {
  position: absolute; width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,107,53,.2) 0%, transparent 70%);
  border-radius: 50%; z-index: 0;
}

/* ── STATS BAR ───────────────────────────────────── */
.stats-bar {
  background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 2rem 1.5rem;
}
.stats-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; justify-content: space-around; flex-wrap: wrap; gap: 1.5rem;
}
.stat-item { text-align: center; }
.stat-item span { font-family: 'Barlow Condensed', sans-serif; font-size: 2.8rem; font-weight: 900; color: var(--orange); }
.stat-item p { font-size: .8rem; color: var(--muted); margin-top: .2rem; text-transform: uppercase; letter-spacing: .06em; }

/* ── SECTIONS ────────────────────────────────────── */
.section { padding: 5rem 1.5rem; }
.section-inner { max-width: 1200px; margin: 0 auto; }

.section-head { text-align: center; margin-bottom: 3.5rem; }
.section-tag {
  display: inline-block; color: var(--orange); font-size: .72rem;
  font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  margin-bottom: .75rem;
}
.section-head h2 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; line-height: 1.1;
  margin-bottom: .75rem;
}
.section-head p { color: var(--muted); font-size: .95rem; max-width: 500px; margin: 0 auto; }

/* ── FEATURES ────────────────────────────────────── */
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.2rem;
}
.feat-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 1.6rem;
  transition: border-color var(--t), transform var(--t);
}
.feat-card:hover { border-color: #333; transform: translateY(-3px); }
.feat-icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; margin-bottom: 1rem;
}
.feat-icon.orange { background: rgba(255,107,53,.12); color: var(--orange); }
.feat-icon.red    { background: rgba(231,76,60,.12);  color: #e74c3c; }
.feat-icon.amber  { background: rgba(243,156,18,.12); color: #f39c12; }
.feat-icon.green  { background: rgba(46,204,113,.12); color: #2ecc71; }
.feat-icon.blue   { background: rgba(52,152,219,.12); color: #3498db; }
.feat-icon.purple { background: rgba(196,92,255,.12); color: #c45cff; }
.feat-card h3 { font-size: .97rem; font-weight: 700; margin-bottom: .5rem; }
.feat-card p  { font-size: .84rem; color: var(--muted); line-height: 1.6; }

/* ── AI PLANNER ──────────────────────────────────── */
.ai-section { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.ai-card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 20px; padding: 2rem; display: flex; gap: 2rem; flex-wrap: wrap;
}

.ai-inputs { flex: 1; min-width: 260px; display: flex; flex-direction: column; gap: 1.2rem; }

.ai-field label {
  display: block; font-size: .75rem; font-weight: 600; color: var(--muted);
  text-transform: uppercase; letter-spacing: .07em; margin-bottom: .55rem;
}

.chip-group { display: flex; flex-wrap: wrap; gap: .5rem; }
.chip {
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--muted); border-radius: 20px; padding: .35rem .9rem;
  font-family: 'Inter', sans-serif; font-size: .8rem; font-weight: 500;
  cursor: pointer; transition: var(--t);
}
.chip.active, .chip:hover {
  background: rgba(255,107,53,.1); border-color: rgba(255,107,53,.4); color: var(--orange);
}

.ai-gen-btn { align-self: flex-start; margin-top: .5rem; }

/* AI Result */
.ai-result { flex: 1.2; min-width: 280px; }
.ai-result.hidden { display: none; }

.ai-result-head {
  display: flex; align-items: center; gap: .6rem;
  font-size: .9rem; font-weight: 700; color: var(--orange);
  margin-bottom: 1rem;
}

.ai-plan-grid { display: flex; flex-direction: column; gap: .6rem; }
.ai-day {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: .75rem 1rem;
}
.ai-day-name {
  font-size: .73rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .06em; color: var(--orange); margin-bottom: .35rem;
}
.ai-exercises { font-size: .82rem; color: var(--muted); line-height: 1.6; }

.ai-copy-btn { margin-top: .85rem; font-size: .8rem; }

/* ── BMI ─────────────────────────────────────────── */
.bmi-card {
  max-width: 540px; margin: 0 auto;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: 2rem;
}
.bmi-unit-toggle {
  display: flex; background: var(--bg); border-radius: 10px; padding: 4px;
  border: 1px solid var(--border); margin-bottom: 1.5rem;
}
.unit-btn {
  flex: 1; padding: .5rem; border: none; background: transparent;
  color: var(--muted); font-family: 'Inter', sans-serif; font-size: .82rem;
  font-weight: 500; border-radius: 8px; cursor: pointer; transition: var(--t);
}
.unit-btn.active { background: var(--surface2); color: var(--text); }

.bmi-inputs { display: flex; gap: 1rem; margin-bottom: 1.2rem; flex-wrap: wrap; }
.bmi-field { flex: 1; min-width: 120px; }
.bmi-field label {
  display: block; font-size: .74rem; font-weight: 600; color: var(--muted);
  text-transform: uppercase; letter-spacing: .06em; margin-bottom: .45rem;
}
.bmi-field input {
  width: 100%; background: var(--bg); border: 1px solid var(--border);
  border-radius: 9px; padding: .7rem .9rem; color: var(--text);
  font-family: 'Inter', sans-serif; font-size: .9rem;
}
.bmi-field input:focus { outline: none; border-color: var(--orange); }
.bmi-calc-btn { width: 100%; justify-content: center; }

.bmi-result { margin-top: 1.5rem; text-align: center; }
.bmi-result.hidden { display: none; }

.bmi-gauge-wrap { margin: 0 auto 1rem; width: 200px; }
.bmi-gauge { width: 100%; }
.bmi-gauge-val {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 26px; font-weight: 800; fill: var(--text);
}
.bmi-gauge-cat { font-size: 9px; fill: var(--muted); }
.gauge-fill { transition: stroke-dashoffset 1s cubic-bezier(.4,0,.2,1), stroke .4s; }

.bmi-scale {
  display: flex; justify-content: space-between;
  font-size: .67rem; color: var(--muted);
  margin: .5rem 0 1rem; flex-wrap: wrap; gap: .3rem; text-align: center;
}
.s-under  { color: #3498db; }
.s-normal { color: #2ecc71; }
.s-over   { color: #f39c12; }
.s-obese  { color: #e74c3c; }

.bmi-advice {
  font-size: .85rem; line-height: 1.6; color: var(--muted);
  background: var(--surface2); border-radius: 10px; padding: .75rem 1rem;
  border: 1px solid var(--border);
}

/* ── PRICING ─────────────────────────────────────── */
.pricing-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 1.2rem;
  align-items: start;
}
.price-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: 2rem; position: relative;
  transition: var(--t);
}
.price-card.featured {
  background: var(--surface2);
  border-color: rgba(255,107,53,.4);
  box-shadow: 0 0 0 1px rgba(255,107,53,.15), 0 24px 48px rgba(255,107,53,.08);
  transform: translateY(-6px);
}
.price-badge {
  display: inline-flex; align-items: center; gap: .35rem;
  background: linear-gradient(135deg, var(--orange), #ff3e6b);
  color: #fff; border-radius: 20px; font-size: .7rem; font-weight: 700;
  padding: .28rem .85rem; margin-bottom: .75rem;
}
.price-tier {
  font-size: .72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: var(--muted); margin-bottom: .5rem;
}
.price-amount {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 2.8rem; font-weight: 900; line-height: 1.1; margin-bottom: .5rem;
}
.price-amount span { font-size: 1rem; font-weight: 500; color: var(--muted); }
.price-desc { font-size: .83rem; color: var(--muted); margin-bottom: 1.4rem; }

.price-features { list-style: none; display: flex; flex-direction: column; gap: .65rem; margin-bottom: 1.5rem; }
.price-features li {
  display: flex; align-items: center; gap: .6rem; font-size: .85rem;
}
.price-features .ok i { color: #2ecc71; font-size: .75rem; }
.price-features .no { color: var(--muted); }
.price-features .no i { color: #444; font-size: .75rem; }

.price-btn { width: 100%; justify-content: center; }

/* ── TESTIMONIALS ────────────────────────────────── */
.testi-track-wrap {
  display: flex; align-items: center; gap: .75rem;
}
.testi-arrow {
  background: var(--surface); border: 1px solid var(--border);
  color: var(--muted); border-radius: 50%;
  width: 40px; height: 40px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: .85rem; transition: var(--t);
}
.testi-arrow:hover { border-color: #444; color: var(--text); }

.testi-track {
  flex: 1; display: flex; gap: 1rem; overflow: hidden;
}
.testi-card {
  flex: 0 0 calc(33.33% - .67rem); background: var(--surface);
  border: 1px solid var(--border); border-radius: 16px; padding: 1.5rem;
  transition: transform var(--t);
}
.testi-stars { color: var(--orange); font-size: 1rem; margin-bottom: .75rem; }
.testi-card p {
  font-size: .87rem; color: var(--muted); line-height: 1.7;
  margin-bottom: 1.1rem; font-style: italic;
}
.testi-author { display: flex; align-items: center; gap: .75rem; }
.testi-avatar {
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .72rem; font-weight: 700; color: #fff; flex-shrink: 0;
}
.testi-author strong { display: block; font-size: .88rem; }
.testi-author span   { font-size: .74rem; color: var(--muted); }

.testi-dots {
  display: flex; justify-content: center; gap: .45rem; margin-top: 1.2rem;
}
.testi-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--border); cursor: pointer; transition: background var(--t);
}
.testi-dot.active { background: var(--orange); width: 20px; border-radius: 4px; }

/* ── FAQ ─────────────────────────────────────────── */
.faq-list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: .65rem; }
.faq-item {
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px; overflow: hidden;
}
.faq-q {
  width: 100%; text-align: left; background: transparent; border: none;
  color: var(--text); font-family: 'Inter', sans-serif; font-size: .9rem; font-weight: 600;
  padding: 1.1rem 1.3rem; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  transition: color var(--t);
}
.faq-q:hover { color: var(--orange); }
.faq-icon { font-size: .8rem; color: var(--muted); flex-shrink: 0; transition: transform var(--t); }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden;
  font-size: .86rem; color: var(--muted); line-height: 1.7;
  padding: 0 1.3rem; transition: max-height .35s ease, padding .25s;
}
.faq-item.open .faq-a { max-height: 200px; padding: 0 1.3rem 1.1rem; }

/* ── CTA ─────────────────────────────────────────── */
.cta-sec {
  text-align: center; padding: 5rem 1.5rem;
  position: relative; overflow: hidden;
  border-top: 1px solid var(--border);
}
.cta-glow {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 600px; height: 300px;
  background: radial-gradient(ellipse, rgba(255,107,53,.1) 0%, transparent 70%);
  pointer-events: none;
}
.cta-sec h2 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 900; line-height: 1.1;
  margin-bottom: .75rem; position: relative;
}
.cta-sec p {
  color: var(--muted); font-size: .95rem; margin-bottom: 1.8rem; position: relative;
}

/* ── FOOTER ──────────────────────────────────────── */
.site-footer {
  background: var(--surface); border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; gap: 3rem; flex-wrap: wrap;
  padding: 3rem 1.5rem 2rem;
}
.footer-brand { flex: 1.5; min-width: 200px; }
.footer-brand .nav-logo { font-size: 1.2rem; margin-bottom: .65rem; display: flex; }
.footer-brand p { font-size: .84rem; color: var(--muted); margin-bottom: 1rem; }
.footer-socials { display: flex; gap: .65rem; }
.footer-socials a {
  width: 34px; height: 34px; border-radius: 8px;
  background: var(--surface2); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); text-decoration: none; font-size: .85rem;
  transition: var(--t);
}
.footer-socials a:hover { color: var(--orange); border-color: rgba(255,107,53,.3); }

.footer-links { min-width: 140px; display: flex; flex-direction: column; gap: .6rem; }
.footer-links h4 { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: .3rem; }
.footer-links a, .footer-links span { font-size: .83rem; color: var(--muted); text-decoration: none; display: flex; align-items: center; gap: .4rem; transition: color var(--t); }
.footer-links a:hover { color: var(--text); }

.footer-bar {
  border-top: 1px solid var(--border); padding: 1.1rem 1.5rem;
  text-align: center; font-size: .78rem; color: var(--muted);
}
.footer-bar a { color: var(--muted); text-decoration: none; transition: color var(--t); }
.footer-bar a:hover { color: var(--text); }

/* ── SCROLL REVEAL ───────────────────────────────── */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity .7s ease, transform .7s ease; }
.reveal-right.visible { opacity: 1; transform: none; }

/* ── RESPONSIVE ──────────────────────────────────── */
@media (max-width: 900px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: rgba(10,10,10,.97); border-bottom: 1px solid var(--border); padding: 1rem; gap: .25rem; }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }

  .hero { flex-direction: column; text-align: center; padding-top: 5.5rem; }
  .hero-content { max-width: 100%; }
  .hero p { margin: 0 auto 1.4rem; }
  .hero-btns { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-img { max-width: 100%; }
  .testi-card { flex: 0 0 calc(50% - .5rem); }
}

@media (max-width: 600px) {
  .section { padding: 3rem 1rem; }
  .testi-card { flex: 0 0 100%; }
  .price-card.featured { transform: none; }
  .ai-card { flex-direction: column; }
  .bmi-inputs { flex-direction: column; }
}