/* ============================================================
   HG-TOP — Design System
   RTK / Drones / Topografía — dirigido a profesionales jóvenes
   ============================================================ */

:root {
  --bg:            #0a0a0d;
  --bg-alt:        #111114;
  --surface:       #17171c;
  --surface-2:     #1e1e24;
  --line:          rgba(255, 255, 255, 0.09);
  --line-strong:   rgba(255, 255, 255, 0.18);

  --text:          #f4f4f2;
  --text-dim:      #9a9aa3;
  --text-faint:    #66666f;

  --accent:        #f5c800;   /* HG-TOP yellow — identidad de marca */
  --accent-dim:    #a88900;
  --sky:           #3aa8ff;   /* azul cielo/GNSS — acento secundario */
  --sky-dim:       #1c6fb3;

  --font-display: 'Space Grotesk', 'Arial Black', sans-serif;
  --font-body:    'Inter', 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  --container: 1280px;
  --radius: 14px;
  --ease: cubic-bezier(.16,.84,.44,1);
}

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

html { background: var(--bg); }

html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

.eyebrow::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px 2px var(--accent);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.05;
}

h2.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 20px;
}

.section-lead {
  font-size: 1.05rem;
  color: var(--text-dim);
  max-width: 560px;
  line-height: 1.65;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  border: 1px solid transparent;
  transition: transform .35s var(--ease), background .25s, border-color .25s, color .25s;
  white-space: nowrap;
}

.btn:active { transform: scale(0.96); }

.btn-primary {
  background: var(--accent);
  color: #0a0a0d;
}
.btn-primary:hover { background: #fff; }

.btn-ghost {
  border-color: var(--line-strong);
  color: var(--text);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-sky {
  background: var(--sky);
  color: #061a2b;
}
.btn-sky:hover { background: #fff; }

.btn svg { width: 16px; height: 16px; }

/* ── NAV ── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  padding: 22px 0;
  transition: padding .35s var(--ease), background .35s var(--ease), border-color .35s;
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  padding: 14px 0;
  background: rgba(10,10,13,0.82);
  backdrop-filter: blur(14px) saturate(160%);
  border-bottom-color: var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo { height: 40px; width: auto; display: block; }
.brand-logo-footer { height: 54px; }

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 14px;
  margin-bottom: 2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  position: relative;
  padding: 10px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-dim);
  transition: color .25s;
}

.main-nav a:hover, .main-nav a.active { color: var(--text); }

.main-nav a.active::after {
  content: '';
  position: absolute;
  left: 18px; right: 18px; bottom: 3px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

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

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text);
  align-items: center;
  justify-content: center;
}

/* ── HERO / VIDEO SCRUB ── */
.hero-pin {
  position: relative;
  height: 220vh;
}

.hero {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.62) saturate(1.05);
}

.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10,10,13,.55) 0%, rgba(10,10,13,.15) 30%, rgba(10,10,13,.35) 65%, rgba(10,10,13,.95) 100%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .35;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 72%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 0 0 72px;
}

.hero-content .container {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: end;
}

.hero-title {
  font-size: clamp(2.6rem, 6vw, 5.4rem);
  text-transform: uppercase;
}

.hero-title .line { display: block; overflow: hidden; }
.hero-title .line span { display: inline-block; }

.hero-title .accent { color: var(--accent); }

.hero-sub {
  margin: 26px 0 34px;
  font-size: 1.08rem;
  color: #dcdce0;
  max-width: 480px;
  line-height: 1.6;
}

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* HUD readout panel */
.hud {
  font-family: var(--font-mono);
  background: rgba(15,15,18,0.55);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 20px 22px;
  backdrop-filter: blur(10px);
  align-self: end;
}

.hud-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 7px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.8rem;
}
.hud-row:last-child { border-bottom: none; }
.hud-row .k { color: var(--text-faint); letter-spacing: .06em; }
.hud-row .v { color: var(--accent); }

.scroll-cue {
  position: absolute;
  z-index: 2;
  right: 40px;
  bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.scroll-cue .bar {
  width: 1px; height: 30px;
  background: linear-gradient(var(--accent), transparent);
}

/* ── MARQUEE ── */
.marquee-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-alt);
  overflow: hidden;
  padding: 16px 0;
}

.marquee-track {
  display: flex;
  width: max-content;
  gap: 56px;
  animation: marquee 26s linear infinite;
}

.marquee-track span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-faint);
  display: flex;
  align-items: center;
  gap: 14px;
  white-space: nowrap;
}

.marquee-track span::after {
  content: '\2726';
  color: var(--accent);
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── STATS ── */
.stats {
  padding: 90px 0;
  border-bottom: 1px solid var(--line);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat .num {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  color: var(--text);
}
.stat .num .unit { color: var(--accent); }
.stat .label {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--text-dim);
  max-width: 220px;
}

/* ── PILLARS / TABS (Equipos RTK · Drones · Cursos) ── */
.pillars { padding: 140px 0; position: relative; }

.pillars-tabs {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.pillar-tab {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
}

.pillar-tab .idx {
  font-family: var(--font-mono);
  color: var(--text-faint);
  font-size: 0.9rem;
  padding-top: 4px;
}

.pillar-tab h3 {
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  color: var(--text-faint);
  transition: color .3s;
}

.pillar-tab p {
  max-height: 0;
  overflow: hidden;
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.7;
  transition: max-height .45s var(--ease), margin .45s var(--ease);
  max-width: 480px;
}

.pillar-tab .tab-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 0;
  max-height: 0;
  overflow: hidden;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  transition: max-height .45s var(--ease), margin .45s var(--ease);
}

.pillar-tab.active h3 { color: var(--text); }
.pillar-tab.active p { max-height: 80px; margin-top: 14px; }
.pillar-tab.active .tab-link { max-height: 30px; margin-top: 16px; }
.pillar-tab.active .idx { color: var(--accent); }

.pillars-visual {
  position: sticky;
  top: 120px;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  border: 1px solid var(--line-strong);
}

.pillars-visual img {
  width: 100%; height: 100%; object-fit: cover;
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity .5s var(--ease);
}
.pillars-visual img.active { opacity: 1; position: relative; }

.pillars-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

/* ── CARDS (Tienda / Cursos preview) ── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .4s var(--ease), border-color .4s;
}

.card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
}

.card-media {
  position: relative;
  height: 210px;
  overflow: hidden;
}

.card-media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s var(--ease);
}
.card:hover .card-media img { transform: scale(1.07); }

.card-media.product-shot {
  background: linear-gradient(160deg, #f4f4f2, #e4e4e0);
}
.card-media.product-shot img {
  object-fit: contain;
  padding: 18px;
}

.card-tag {
  position: absolute;
  top: 14px; left: 14px;
  background: rgba(10,10,13,.75);
  border: 1px solid var(--line-strong);
  padding: 5px 12px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
}

.card-body { padding: 24px 24px 28px; flex: 1; display: flex; flex-direction: column; }
.card-body h3 { font-size: 1.15rem; margin-bottom: 10px; }
.card-body p { color: var(--text-dim); font-size: 0.88rem; line-height: 1.6; flex: 1; }

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.card-meta .price { font-family: var(--font-mono); color: var(--text); font-size: 0.9rem; }
.card-meta .go {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: flex; align-items: center; justify-content: center;
  transition: background .25s, border-color .25s, transform .25s;
}
.card:hover .card-meta .go { background: var(--accent); border-color: var(--accent); transform: rotate(45deg); }
.card:hover .card-meta .go svg { stroke: #0a0a0d; }
.card-meta .go svg { width: 15px; height: 15px; stroke: var(--text); transition: stroke .25s; }

/* ── PROCESS TIMELINE ── */
.process { padding: 140px 0; border-top: 1px solid var(--line); position: relative; }

.timeline { position: relative; margin-top: 60px; }

.timeline-line {
  position: absolute;
  left: 27px; top: 0; bottom: 0;
  width: 2px;
  background: var(--line);
}
.timeline-line-fill {
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 0%;
  background: var(--accent);
  box-shadow: 0 0 14px 1px var(--accent);
}

.timeline-step {
  position: relative;
  padding: 0 0 64px 76px;
}
.timeline-step:last-child { padding-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: 12px; top: 0;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--line-strong);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  transition: border-color .3s, color .3s, background .3s;
}

.timeline-step.in-view .timeline-dot {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(245,200,0,0.1);
}

.timeline-step h4 { font-size: 1.2rem; margin-bottom: 8px; }
.timeline-step p { color: var(--text-dim); max-width: 520px; font-size: 0.92rem; line-height: 1.65; }

/* ── CTA BANNER ── */
.cta-banner {
  margin: 0 40px 0;
  padding: 90px 60px;
  border-radius: 28px;
  background: linear-gradient(135deg, #17170f 0%, #0a0a0d 60%);
  border: 1px solid var(--line-strong);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner h2 {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  max-width: 780px;
  margin: 0 auto 28px;
}

.cta-banner .btn-row { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── FOOTER ── */
.site-footer { padding: 90px 0 40px; }

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 40px;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--line);
}

.footer-brand p { color: var(--text-dim); font-size: 0.9rem; margin-top: 16px; max-width: 320px; line-height: 1.65; }

.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 20px;
}

.footer-col a, .footer-col p {
  display: block;
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 12px;
  transition: color .2s;
}
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  font-size: 0.78rem;
  color: var(--text-faint);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: flex; align-items: center; justify-content: center;
}
.footer-social a svg { width: 16px; height: 16px; stroke: var(--text-dim); }
.footer-social a:hover { border-color: var(--accent); }
.footer-social a:hover svg { stroke: var(--accent); }

/* ── REVEAL ANIMATION HOOKS (driven by JS/GSAP) ── */
[data-reveal] { opacity: 0; transform: translateY(36px); }

/* ── PAGE HERO (subpages) ── */
.page-hero {
  padding: 200px 0 90px;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.page-hero h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); text-transform: uppercase; max-width: 800px; }
.page-hero p.section-lead { margin-top: 22px; max-width: 620px; }

.page-hero .contour {
  position: absolute;
  right: 0; top: 0;
  width: 46%; height: 100%;
  opacity: .5;
  pointer-events: none;
}

/* ── FILTER BAR (Tienda/Cursos) ── */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.filter-chip {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text-dim);
  font-size: 0.82rem;
  font-weight: 600;
  transition: all .25s;
}
.filter-chip.active, .filter-chip:hover { border-color: var(--accent); color: var(--accent); }

.listing-section { padding: 40px 0 140px; }

/* ── COURSE CARD (list style) ── */
.course-row {
  display: grid;
  grid-template-columns: 220px 1fr auto;
  gap: 32px;
  align-items: center;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
  transition: background .25s;
}

a.course-row:hover { background: rgba(245,200,0,0.04); }
a.course-row .course-cta .price { color: var(--accent); margin-bottom: 0; }

.course-row img { width: 100%; height: 140px; object-fit: cover; border-radius: 10px; }
.course-row h3 { font-size: 1.3rem; margin-bottom: 10px; }
.course-row .tags { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.course-row .tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--sky);
  border: 1px solid rgba(58,168,255,.35);
  padding: 4px 10px;
  border-radius: 999px;
}
.course-row p { color: var(--text-dim); font-size: 0.9rem; max-width: 520px; }
.course-row .course-cta { text-align: right; white-space: nowrap; }
.course-row .course-cta .price { font-family: var(--font-mono); color: var(--text); display:block; margin-bottom: 14px; font-size: 1.1rem; }

/* ── CONTACT PAGE ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  padding: 40px 0 140px;
}

.contact-info .info-row {
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.contact-info .info-row .ic {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-info .info-row .ic svg { width: 18px; height: 18px; stroke: var(--accent); }
.contact-info .info-row h4 { font-size: 0.95rem; margin-bottom: 4px; }
.contact-info .info-row p, .contact-info .info-row a { color: var(--text-dim); font-size: 0.9rem; }
.contact-info .info-row a:hover { color: var(--accent); }

.form-field { margin-bottom: 20px; }
.form-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 10px;
}
.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 14px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color .25s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-field textarea { resize: vertical; min-height: 120px; }

.map-frame {
  margin-top: 40px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  aspect-ratio: 16/9;
}

/* ── COURSE DETAIL PAGE ── */
.back-link {
  display: flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 26px;
  transition: color .2s;
}
.back-link:hover { color: var(--accent); }

.detail-section { padding: 70px 0; border-top: 1px solid var(--line); }
.detail-section:first-of-type { border-top: none; }

.check-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 40px;
  margin-top: 8px;
}
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.6;
}
.check-list li span {
  min-width: 0;
  flex: 1;
}
.check-list li svg {
  width: 20px; height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
  stroke: var(--accent);
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 40px;
}
.method-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
}
.method-item .ic {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(245,200,0,0.08);
  border: 1px solid var(--line-strong);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.method-item .ic svg { width: 19px; height: 19px; stroke: var(--accent); }
.method-item h4 { font-size: 1rem; margin-bottom: 8px; }
.method-item p { font-size: 0.85rem; color: var(--text-dim); line-height: 1.6; }

.info-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 40px;
  scroll-margin-top: 110px;
}
.info-card {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 32px;
  scroll-margin-top: 110px;
}
.info-card .modality-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(245,200,0,.35);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.info-card h3 { font-size: 1.35rem; margin-bottom: 22px; }
.info-row-simple {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}
.info-row-simple:last-of-type { border-bottom: none; }
.info-row-simple .k { color: var(--text-faint); font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: .06em; text-transform: uppercase; padding-top: 2px; }
.info-row-simple .v { color: var(--text); text-align: right; }
.info-card .price-row { display: flex; gap: 14px; align-items: baseline; margin: 18px 0 22px; flex-wrap: wrap; }
.info-card .price-now { font-family: var(--font-display); font-size: 1.7rem; color: var(--accent); }
.info-card .price-old { font-family: var(--font-mono); font-size: 0.9rem; color: var(--text-faint); text-decoration: line-through; }
.info-card .price-note { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-faint); display: block; margin-top: 4px; }
.info-card .btn { width: 100%; justify-content: center; margin-top: 6px; }

.specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.specs-card {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 28px;
}
.specs-card h4 {
  font-size: 0.95rem;
  color: var(--accent);
  font-family: var(--font-mono);
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 6px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-strong);
}
.specs-card .info-row-simple { padding: 12px 0; font-size: 0.85rem; gap: 12px; }
.specs-card .info-row-simple .k { font-size: 0.68rem; }

.paypal-btn-wrap { margin-top: 6px; text-align: center; }
.paypal-btn-wrap .price-note { margin-bottom: 10px; }
.paypal-btn-wrap form { display: inline-grid; justify-items: center; align-content: start; gap: 0.5rem; }
.pp-57NFV37JQCWPU { text-align: center; border: none; border-radius: 0.25rem; min-width: 11.625rem; padding: 0 2rem; height: 2.625rem; font-weight: bold; background-color: #FFD140; color: #000000; font-family: "Helvetica Neue", Arial, sans-serif; font-size: 1rem; line-height: 1.25rem; cursor: pointer; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero-content .container { grid-template-columns: 1fr; }
  .hud { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .pillars-grid { grid-template-columns: 1fr; }
  .pillars-visual { position: relative; top: 0; margin-top: 40px; aspect-ratio: 16/10; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .course-row { grid-template-columns: 1fr; }
  .course-row img { height: 180px; }
  .course-row .course-cta { text-align: left; }
  .method-grid { grid-template-columns: 1fr 1fr; }
  .info-cards { grid-template-columns: 1fr; }
  .specs-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .container { padding: 0 22px; }
  .main-nav, .header-actions .btn-ghost { display: none; }
  .nav-toggle { display: flex; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .specs-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .cta-banner { margin: 0 16px; padding: 60px 26px; }
  .page-hero .contour { display: none; }
  .check-list { grid-template-columns: 1fr; }
  .method-grid { grid-template-columns: 1fr; }
}

/* ── MOBILE NAV DRAWER ── */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  padding: 100px 32px 40px;
  transform: translateX(100%);
  transition: transform .45s var(--ease);
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 2rem;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.mobile-nav-close {
  position: absolute;
  top: 24px; right: 24px;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: flex; align-items: center; justify-content: center;
  background: transparent;
  color: var(--text);
}

/* ── WHATSAPP FLOATING BUTTON ── */
.whatsapp-float {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 250;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0,0,0,.45);
  transition: transform .25s;
}
.whatsapp-float svg { width: 28px; height: 28px; fill: #fff; }
.whatsapp-float:hover { transform: scale(1.08); }

.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #25d366;
  animation: wa-pulse 2.4s ease-out infinite;
  z-index: -1;
}

@keyframes wa-pulse {
  0% { transform: scale(1); opacity: .55; }
  100% { transform: scale(1.9); opacity: 0; }
}

@media (max-width: 720px) {
  .whatsapp-float { right: 18px; bottom: 18px; width: 52px; height: 52px; }
  .whatsapp-float svg { width: 25px; height: 25px; }
}

/* ── PRODUCT DETAIL PAGE ── */
.product-banner {
  width: 100%;
  display: block;
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  margin: 8px 0 32px;
}

.product-meta-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin: 22px 0 34px;
}
.product-meta-bar .price-now { font-family: var(--font-display); font-size: 1.5rem; color: var(--accent); }
.product-meta-bar .price-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.product-photo-card {
  background: linear-gradient(160deg, #f4f4f2, #e4e4e0);
  border-radius: var(--radius);
  border: 1px solid var(--line-strong);
  padding: 36px;
  margin: 8px 0 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-photo-card img { max-width: 340px; width: 100%; display: block; }