/* ══════════════════════════════════════════
   Rainbow® México — Dyson-Inspired Design
   Ultra-minimal · Product-centric · Clean
   ══════════════════════════════════════════ */

:root {
  --black: #000000;
  --off-black: #111111;
  --dark: #1a1a1a;
  --gray-900: #222222;
  --gray-800: #333333;
  --gray-700: #444444;
  --gray-600: #555555;
  --gray-500: #777777;
  --gray-400: #999999;
  --gray-300: #bbbbbb;
  --gray-200: #dddddd;
  --gray-100: #eeeeee;
  --gray-50: #f5f5f5;
  --white: #ffffff;
  --accent: #00838F;
  --accent-light: #E0F7FA;
  --green-wa: #25D366;
  --red: #d32f2f;
  --font-display: 'Sora', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  font-family: var(--font-body);
  color: var(--off-black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 40px; }
@media (max-width: 768px) { .container { padding: 0 20px; } }

/* ── Typography ── */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.1; letter-spacing: -0.02em; }
.t-hero { font-size: clamp(2.8rem, 6vw, 5rem); font-weight: 700; letter-spacing: -0.03em; }
.t-section { font-size: clamp(2rem, 4vw, 3.2rem); }
.t-card { font-size: 1.15rem; font-weight: 600; }
.t-label {
  font-family: var(--font-display);
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--gray-500);
}
.t-body { font-size: 1rem; color: var(--gray-600); line-height: 1.7; }
.t-body-lg { font-size: 1.15rem; color: var(--gray-500); line-height: 1.75; max-width: 520px; }

/* ── Buttons — Dyson style: flat, dark, minimal ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-display); font-size: 0.85rem; font-weight: 600;
  letter-spacing: 0.02em;
  border: none; border-radius: 0;
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}
.btn-dark {
  background: var(--off-black); color: var(--white);
}
.btn-dark:hover { background: var(--gray-800); }
.btn-outline {
  background: transparent; color: var(--off-black);
  border: 1.5px solid var(--off-black);
}
.btn-outline:hover { background: var(--off-black); color: var(--white); }
.btn-white {
  background: var(--white); color: var(--off-black);
}
.btn-white:hover { background: var(--gray-50); }
.btn-wa {
  background: var(--green-wa); color: var(--white);
}
.btn-wa:hover { opacity: 0.9; }
.btn-sm { padding: 10px 24px; font-size: 0.8rem; }
.btn-icon { width: 20px; height: 20px; }

/* ═══════════════════════════════
   NAVIGATION — thin, minimal
   ═══════════════════════════════ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.nav.scrolled { border-bottom-color: var(--gray-100); }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; max-width: 1280px; margin: 0 auto; padding: 0 40px;
}
.nav-logo { display: flex; align-items: center; gap: 14px; }
.nav-logo img { height: 28px; }
.nav-logo-divider { width: 1px; height: 20px; background: var(--gray-200); }
.nav-logo-text {
  font-family: var(--font-display); font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--gray-400);
}
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-link {
  font-family: var(--font-display); font-size: 0.82rem; font-weight: 500;
  color: var(--gray-600); transition: color 0.2s;
}
.nav-link:hover { color: var(--off-black); }
.nav-cta { margin-left: 8px; }
.mobile-toggle { display: none; background: none; border: none; padding: 8px; }
.mobile-toggle span {
  display: block; width: 22px; height: 1.5px; background: var(--off-black);
  margin: 5px 0; transition: 0.3s;
}

/* Mobile nav */
@media (max-width: 960px) {
  .nav-inner { padding: 0 20px; }
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; background: var(--white);
    padding: 32px 20px; gap: 20px;
    border-bottom: 1px solid var(--gray-100);
  }
  .nav-links.open { display: flex; }
  .mobile-toggle { display: block; }
}

/* ═══════════════════════════════
   HERO — full-bleed, product dominant
   ═══════════════════════════════ */
.hero {
  padding: 140px 0 100px;
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
  position: relative; overflow: hidden;
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
}
.hero-label { margin-bottom: 20px; }
.hero-title { margin-bottom: 24px; color: var(--off-black); }
.hero-desc {
  font-size: 1.1rem; color: var(--gray-500); line-height: 1.75;
  max-width: 440px; margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats { display: flex; gap: 48px; }
.hero-stat-value {
  font-family: var(--font-display); font-size: 1.8rem; font-weight: 700;
  color: var(--off-black); line-height: 1;
}
.hero-stat-label { font-size: 0.78rem; color: var(--gray-400); margin-top: 4px; }
.hero-visual { display: flex; justify-content: center; position: relative; }
.hero-img {
  width: 100%; max-width: 520px;
  animation: heroFloat 8s ease-in-out infinite;
}
@keyframes heroFloat { 0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)} }

@media (max-width: 960px) {
  .hero { padding: 110px 0 60px; }
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; margin-bottom: 20px; }
  .hero-img { max-width: 340px; }
}

/* ═══════════════════════════════
   BANNER STRIP — dark, minimal
   ═══════════════════════════════ */
.banner-strip {
  background: var(--off-black); padding: 18px 0; overflow: hidden;
}
.banner-scroll {
  display: flex; gap: 64px; align-items: center;
  animation: bannerScroll 40s linear infinite;
}
@keyframes bannerScroll { 0%{transform:translateX(0)}100%{transform:translateX(-50%)} }
.banner-item {
  flex-shrink: 0; display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 0.78rem; font-weight: 500;
  color: rgba(255,255,255,0.6); white-space: nowrap; letter-spacing: 0.05em;
}
.banner-dot {
  width: 4px; height: 4px; border-radius: 50%; background: rgba(255,255,255,0.3);
}

/* ═══════════════════════════════
   HOW IT WORKS — clean grid
   ═══════════════════════════════ */
.how-section { padding: 120px 0; }
.section-header { margin-bottom: 72px; }
.section-header.center { text-align: center; }
.section-header .t-label { margin-bottom: 16px; }
.section-header .t-body-lg { margin-top: 16px; }
.section-header.center .t-body-lg { margin-left: auto; margin-right: auto; }

.how-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--gray-100); }
.how-step {
  background: var(--white); padding: 48px 32px;
  transition: background 0.4s var(--ease);
}
.how-step:hover { background: var(--gray-50); }
.how-num {
  font-family: var(--font-display); font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.2em; color: var(--gray-300); margin-bottom: 24px;
}
.how-step h3 {
  font-family: var(--font-display); font-size: 1.05rem; font-weight: 600;
  margin-bottom: 12px; letter-spacing: -0.01em;
}
.how-step p { font-size: 0.88rem; color: var(--gray-500); line-height: 1.65; }

@media (max-width: 960px) { .how-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .how-grid { grid-template-columns: 1fr; } }

/* ═══════════════════════════════
   PRODUCTS — clean cards, no border
   ═══════════════════════════════ */
.products-section { padding: 120px 0; background: var(--gray-50); }
.products-tabs {
  display: flex; gap: 4px; margin-bottom: 48px;
  flex-wrap: wrap; justify-content: center;
}
.tab-btn {
  padding: 10px 24px; border: 1.5px solid var(--gray-200); border-radius: 0;
  background: var(--white); font-family: var(--font-display); font-size: 0.78rem;
  font-weight: 600; color: var(--gray-500); letter-spacing: 0.03em;
  cursor: pointer; transition: all 0.25s var(--ease);
}
.tab-btn.active, .tab-btn:hover {
  background: var(--off-black); color: var(--white); border-color: var(--off-black);
}
.products-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 2px;
}
.p-card {
  background: var(--white);
  transition: all 0.4s var(--ease);
  position: relative;
}
.p-card:hover { z-index: 2; }
.p-card:hover .p-card-img img { transform: scale(1.04); }
.p-card-img {
  height: 240px; overflow: hidden; position: relative;
  background: var(--gray-50);
  display: flex; align-items: center; justify-content: center;
}
.p-card-img img {
  width: 75%; height: 75%; object-fit: contain;
  transition: transform 0.6s var(--ease-out);
}
.p-card-img-placeholder {
  font-size: 3rem; opacity: 0.15;
}
.p-card-badge {
  position: absolute; top: 16px; left: 16px;
  padding: 4px 12px;
  font-family: var(--font-display); font-size: 0.62rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
}
.p-card-badge--hot { background: var(--red); color: var(--white); }
.p-card-badge--new { background: var(--off-black); color: var(--white); }
.p-card-body { padding: 24px; }
.p-card-cat {
  font-family: var(--font-display); font-size: 0.62rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gray-400); margin-bottom: 8px;
}
.p-card-name {
  font-family: var(--font-display); font-weight: 600; font-size: 1rem;
  margin-bottom: 8px; letter-spacing: -0.01em;
}
.p-card-desc {
  font-size: 0.82rem; color: var(--gray-500); line-height: 1.6; margin-bottom: 20px;
}
.p-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 16px; border-top: 1px solid var(--gray-100);
}
.p-card-price {
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 700;
}
.p-card-price small { font-size: 0.7rem; font-weight: 400; color: var(--gray-400); margin-left: 2px; }
.p-card-btn {
  padding: 10px 20px; border-radius: 0;
  background: var(--off-black); color: var(--white);
  border: none; font-family: var(--font-display); font-size: 0.75rem;
  font-weight: 600; letter-spacing: 0.03em;
  transition: all 0.25s var(--ease);
}
.p-card-btn:hover { background: var(--gray-800); }
.p-card-btn--outline {
  background: transparent; color: var(--off-black);
  border: 1.5px solid var(--off-black);
}
.p-card-btn--outline:hover { background: var(--off-black); color: var(--white); }

/* ═══════════════════════════════
   FEATURED PRODUCT — dark, cinematic
   ═══════════════════════════════ */
.featured-section {
  padding: 140px 0; position: relative; overflow: hidden;
  background: var(--off-black); color: var(--white);
}
.featured-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.featured-img-wrap { display: flex; justify-content: center; position: relative; }
.featured-glow {
  position: absolute; inset: 15%; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,131,143,0.12), transparent 70%);
  filter: blur(60px); pointer-events: none;
}
.featured-img {
  position: relative; z-index: 1; width: 85%; max-width: 420px;
  animation: heroFloat 9s ease-in-out infinite;
}
.featured-content .t-label { color: var(--gray-400); margin-bottom: 16px; }
.featured-content .t-section { color: var(--white); margin-bottom: 20px; }
.featured-content .t-body-lg { color: rgba(255,255,255,0.5); max-width: 440px; }
.featured-specs {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin: 40px 0;
}
.feat-spec { display: flex; flex-direction: column; gap: 4px; }
.feat-spec-line { width: 24px; height: 1.5px; background: var(--accent); margin-bottom: 8px; }
.feat-spec h4 {
  font-family: var(--font-display); font-size: 0.88rem; font-weight: 600;
}
.feat-spec p { font-size: 0.78rem; color: rgba(255,255,255,0.4); line-height: 1.55; }
.featured-actions { display: flex; gap: 12px; flex-wrap: wrap; }

@media (max-width: 960px) {
  .featured-grid { grid-template-columns: 1fr; text-align: center; }
  .featured-img-wrap { order: -1; }
  .featured-content .t-body-lg { margin: 0 auto; }
  .featured-specs { max-width: 400px; margin-left: auto; margin-right: auto; }
  .featured-actions { justify-content: center; }
}

/* ═══════════════════════════════
   DEMO BOOKING — split layout
   ═══════════════════════════════ */
.demo-section { padding: 120px 0; }
.demo-wrapper {
  display: grid; grid-template-columns: 1fr 1fr;
  background: var(--off-black); overflow: hidden;
}
.demo-left { padding: 72px 56px; color: var(--white); }
.demo-left .t-label { color: var(--gray-400); margin-bottom: 16px; }
.demo-left .t-section { color: var(--white); margin-bottom: 16px; }
.demo-left .t-body-lg { color: rgba(255,255,255,0.5); }
.demo-perks { margin-top: 40px; display: flex; flex-direction: column; gap: 28px; }
.demo-perk { display: flex; gap: 16px; }
.demo-perk-line {
  width: 2px; min-height: 100%; background: var(--accent); flex-shrink: 0;
  margin-top: 4px;
}
.demo-perk h4 {
  font-family: var(--font-display); font-size: 0.9rem; font-weight: 600;
  margin-bottom: 4px;
}
.demo-perk p { font-size: 0.78rem; color: rgba(255,255,255,0.4); line-height: 1.55; }
.demo-right { padding: 72px 56px; background: var(--dark); }
.demo-form-title {
  font-family: var(--font-display); font-size: 1.3rem; font-weight: 600;
  color: var(--white); margin-bottom: 32px;
}
.field { margin-bottom: 20px; }
.field label {
  display: block; font-family: var(--font-display);
  font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(255,255,255,0.35); margin-bottom: 8px;
}
.field input, .field select, .field textarea {
  width: 100%; padding: 14px 0; border-radius: 0;
  background: transparent;
  border: none; border-bottom: 1px solid rgba(255,255,255,0.12);
  color: var(--white); font-family: var(--font-body); font-size: 0.95rem;
  outline: none; transition: border-color 0.3s;
}
.field input:focus, .field select:focus {
  border-bottom-color: var(--accent);
}
.field input::placeholder { color: rgba(255,255,255,0.2); }
.field select { cursor: pointer; }
.field select option { background: var(--dark); color: var(--white); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.btn-submit {
  width: 100%; padding: 16px; border-radius: 0;
  background: var(--white); color: var(--off-black);
  border: none; font-family: var(--font-display); font-size: 0.88rem;
  font-weight: 700; letter-spacing: 0.03em;
  cursor: pointer; transition: all 0.3s var(--ease); margin-top: 12px;
}
.btn-submit:hover { background: var(--gray-100); }

@media (max-width: 960px) {
  .demo-wrapper { grid-template-columns: 1fr; }
  .demo-left, .demo-right { padding: 48px 28px; }
  .field-row { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════
   SERVICES — minimal cards
   ═══════════════════════════════ */
.services-section { padding: 120px 0; background: var(--gray-50); }
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--gray-200); margin-top: 72px;
}
.svc-card {
  background: var(--white); padding: 48px 36px;
  display: flex; flex-direction: column;
  transition: background 0.4s var(--ease);
}
.svc-card:hover { background: var(--gray-50); }
.svc-line { width: 32px; height: 2px; background: var(--off-black); margin-bottom: 24px; }
.svc-card h3 {
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 600;
  margin-bottom: 12px;
}
.svc-card p {
  font-size: 0.88rem; color: var(--gray-500); line-height: 1.65;
  margin-bottom: 28px; flex: 1;
}
@media (max-width: 768px) { .services-grid { grid-template-columns: 1fr; } }

/* ═══════════════════════════════
   TESTIMONIALS — editorial
   ═══════════════════════════════ */
.reviews-section { padding: 120px 0; }
.reviews-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 48px; margin-top: 72px;
}
.rev-card { position: relative; }
.rev-line { width: 24px; height: 2px; background: var(--off-black); margin-bottom: 24px; }
.rev-text {
  font-size: 1rem; color: var(--gray-600); line-height: 1.75;
  margin-bottom: 28px; font-style: italic;
}
.rev-name {
  font-family: var(--font-display); font-weight: 600; font-size: 0.88rem;
}
.rev-loc { font-size: 0.78rem; color: var(--gray-400); margin-top: 2px; }
@media (max-width: 768px) { .reviews-grid { grid-template-columns: 1fr; gap: 36px; } }

/* ═══════════════════════════════
   FINAL CTA — dark, minimal
   ═══════════════════════════════ */
.final-cta {
  padding: 120px 0; text-align: center;
  background: var(--off-black); color: var(--white);
}
.final-cta .t-label { color: var(--gray-500); margin-bottom: 16px; }
.final-cta .t-section { color: var(--white); margin-bottom: 16px; }
.final-cta p { color: rgba(255,255,255,0.45); font-size: 1.05rem; margin-bottom: 40px; }
.final-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ═══════════════════════════════
   FOOTER — Dyson-style grid
   ═══════════════════════════════ */
footer { background: var(--black); color: rgba(255,255,255,0.4); padding: 80px 0 32px; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand-text {
  font-size: 0.88rem; line-height: 1.7; margin: 16px 0 24px; max-width: 320px;
}
.footer-logo { height: 24px; filter: brightness(0) invert(1); opacity: 0.5; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 36px; height: 36px; border: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 0.7rem; font-weight: 600;
  color: rgba(255,255,255,0.4); transition: all 0.3s;
}
.footer-social a:hover {
  border-color: rgba(255,255,255,0.3); color: rgba(255,255,255,0.8);
}
.footer-col h4 {
  font-family: var(--font-display); font-size: 0.62rem; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(255,255,255,0.2); margin-bottom: 20px;
}
.footer-col a {
  display: block; font-size: 0.85rem; color: rgba(255,255,255,0.4);
  margin-bottom: 12px; transition: color 0.2s;
}
.footer-col a:hover { color: rgba(255,255,255,0.8); }
.footer-bottom {
  padding-top: 32px; text-align: center;
  font-size: 0.72rem; color: rgba(255,255,255,0.15);
  letter-spacing: 0.03em;
}
@media (max-width: 960px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; } }

/* ═══════════════════════════════
   WHATSAPP FAB
   ═══════════════════════════════ */
.wa-fab {
  position: fixed; bottom: 28px; right: 28px; z-index: 99;
  width: 56px; height: 56px;
  background: var(--green-wa); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: all 0.3s var(--ease);
}
.wa-fab:hover { transform: translateY(-3px); box-shadow: 0 8px 32px rgba(37,211,102,0.45); }
.wa-fab svg { width: 26px; height: 26px; fill: currentColor; }

/* ═══════════════════════════════
   SCROLL REVEAL
   ═══════════════════════════════ */
.reveal {
  opacity: 0; transform: translateY(32px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }