/* ═══════════════════════════════════════════════
   Smart Living Monterrey — Dark Premium Theme
   ═══════════════════════════════════════════════ */

/* ── TOKENS ── */
:root {
  --bg:          #080a0f;
  --bg-surface:  #0e1118;
  --bg-card:     #111520;
  --bg-card-h:   #161b28;
  --border:      rgba(255,255,255,0.07);
  --border-h:    rgba(0,191,255,0.35);

  --accent:      #00BFFF;
  --accent-dim:  rgba(0,191,255,0.12);
  --accent-glow: rgba(0,191,255,0.25);

  --text:        #e8eaf0;
  --text-muted:  #6b7280;
  --text-soft:   #9ca3af;

  --font-sans:   'Inter', system-ui, sans-serif;
  --font-display:'Space Grotesk', 'Inter', sans-serif;

  --radius:      12px;
  --radius-lg:   20px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(0,191,255,0.15);

  --nav-h:       70px;
  --container:   1200px;
  --transition:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.container {
  width: min(var(--container), 100% - 2.5rem);
  margin-inline: auto;
}

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

/* ══════════════════════════════════════
   NAVBAR
══════════════════════════════════════ */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), backdrop-filter var(--transition);
}

.navbar.scrolled {
  background: rgba(8,10,15,0.85);
  backdrop-filter: blur(16px);
  border-color: var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  font-family: var(--font-display);
}
.logo-main { font-size: 1.05rem; font-weight: 700; color: var(--text); letter-spacing: -0.01em; }
.logo-sub  { font-size: 0.65rem; font-weight: 500; color: var(--accent); letter-spacing: 0.12em; text-transform: uppercase; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-soft);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text); }

.nav-cta {
  padding: 0.5rem 1.25rem;
  background: var(--accent);
  color: #000 !important;
  border-radius: 999px;
  font-weight: 600 !important;
  font-size: 0.8rem !important;
  transition: opacity var(--transition), transform var(--transition) !important;
}
.nav-cta:hover { opacity: 0.9; transform: translateY(-1px); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.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 {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

#particles-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-glow {
  position: absolute;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,191,255,0.1) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

/* hero split grid */
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding-block: 5rem 4rem;
}

.hero-content {
  max-width: 580px;
}

.badge {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  border: 1px solid var(--border-h);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: #fff;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--text-soft);
  line-height: 1.75;
  margin-bottom: 2.5rem;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.stat { display: flex; flex-direction: column; }
.stat-num { font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; color: var(--accent); line-height: 1; }
.stat-label { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.2rem; }
.stat-divider { width: 1px; height: 2.5rem; background: var(--border); }

/* hero image card */
.hero-image-wrap {
  position: relative;
}

.hero-image-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 30px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(0,191,255,0.1);
  aspect-ratio: 4/5;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}
.hero-image-card:hover .hero-img { transform: scale(1.03); }

.hero-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(8,10,15,0.7) 0%,
    rgba(8,10,15,0.1) 50%,
    transparent 100%
  );
  pointer-events: none;
}

.hero-img-badge {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  background: rgba(8,10,15,0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-h);
  border-radius: 12px;
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
}
.hero-img-badge svg {
  width: 18px;
  height: 18px;
  stroke: var(--accent);
  flex-shrink: 0;
}

.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.scroll-arrow {
  display: block;
  width: 20px;
  height: 20px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg);
  animation: bounceDown 1.6s ease-in-out infinite;
  opacity: 0.6;
}
@keyframes bounceDown {
  0%, 100% { transform: rotate(45deg) translateY(0); opacity: 0.6; }
  50% { transform: rotate(45deg) translateY(6px); opacity: 1; }
}

/* ══════════════════════════════════════
   BUTTONS
══════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #000;
}
.btn-primary:hover {
  background: #33ccff;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text-soft);
}
.btn-ghost:hover {
  border-color: var(--border-h);
  color: var(--text);
  background: var(--accent-dim);
}

.btn-whatsapp {
  background: #25D366;
  color: #fff;
  padding: 0.85rem 1.75rem;
  font-size: 0.95rem;
}
.btn-whatsapp svg { width: 20px; height: 20px; }
.btn-whatsapp:hover {
  background: #1ebe57;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37,211,102,0.3);
}

.w-full { width: 100%; justify-content: center; }

/* ══════════════════════════════════════
   POSITIONING STRIP
══════════════════════════════════════ */
.positioning {
  padding: 3.5rem 0;
  background: linear-gradient(90deg, transparent, var(--accent-dim) 30%, var(--accent-dim) 70%, transparent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.positioning-claim {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.7rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-soft);
  line-height: 1.5;
}
.positioning-claim strong { color: var(--text); }

/* ══════════════════════════════════════
   SECTION LABELS
══════════════════════════════════════ */
.section-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-soft);
  max-width: 540px;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-header .section-desc { margin-inline: auto; }

/* ══════════════════════════════════════
   SOLUTIONS
══════════════════════════════════════ */
.solutions {
  padding: 7rem 0;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.solution-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

/* card image */
.card-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
}
.card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, var(--bg-card) 100%);
  pointer-events: none;
  transition: opacity var(--transition);
}
.solution-card:hover .card-image::after { opacity: 0.7; }
.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.solution-card:hover .card-image img { transform: scale(1.06); }

/* card body (everything below image) */
.card-body {
  padding: 1.5rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  flex: 1;
}
.card-icon { margin-bottom: 0.15rem; }
.solution-card .card-title,
.solution-card .card-desc,
.solution-card .card-list,
.solution-card .card-link,
.solution-card .card-icon {
  padding-left: 0;
  padding-right: 0;
}

.solution-card:hover {
  background: var(--bg-card-h);
  border-color: var(--border-h);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.solution-card.featured {
  border-color: rgba(0,191,255,0.3);
  background: linear-gradient(145deg, #111520 0%, #0e1a2a 100%);
}
.solution-card.featured:hover {
  border-color: var(--accent);
  box-shadow: 0 0 50px rgba(0,191,255,0.2);
}

.card-badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  padding: 0.2rem 0.7rem;
  background: var(--accent);
  color: #000;
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 999px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-dim);
  border: 1px solid rgba(0,191,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.card-icon svg { width: 24px; height: 24px; stroke: var(--accent); }

.card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.3;
}

.card-desc {
  font-size: 0.9rem;
  color: var(--text-soft);
  line-height: 1.6;
}

.card-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}
.card-list li {
  font-size: 0.83rem;
  color: var(--text-muted);
  padding-left: 1rem;
  position: relative;
  transition: color var(--transition);
}
.card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
}
.solution-card:hover .card-list li { color: var(--text-soft); }

.card-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: 0.5rem;
  transition: gap var(--transition), letter-spacing var(--transition);
  display: inline-block;
}
.card-link:hover { letter-spacing: 0.01em; }

/* ══════════════════════════════════════
   DIFFERENTIATOR
══════════════════════════════════════ */
.differentiator {
  padding: 7rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.diff-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.diff-text p {
  color: var(--text-soft);
  line-height: 1.75;
  margin-bottom: 2rem;
  font-size: 1rem;
}
.diff-text p strong { color: var(--text); }

.diff-pillars {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.pillar {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.pillar-icon {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0,191,255,0.2);
  border-radius: 8px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.pillar h4 { font-size: 0.9rem; font-weight: 600; color: #fff; margin-bottom: 0.15rem; }
.pillar p  { font-size: 0.82rem; color: var(--text-muted); }

/* ── Differentiator photo ── */
.diff-visual { display: flex; align-items: stretch; }

.diff-photo-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 30px 70px rgba(0,0,0,0.5), 0 0 0 1px rgba(0,191,255,0.08);
  width: 100%;
  min-height: 460px;
}

.diff-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: absolute;
  inset: 0;
  transition: transform 0.6s ease;
}
.diff-photo-wrap:hover .diff-photo { transform: scale(1.04); }

.diff-photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(8,10,15,0.5) 0%,
    rgba(8,10,15,0.2) 50%,
    rgba(0,191,255,0.05) 100%
  );
  pointer-events: none;
}

/* floating stat pills on the photo */
.diff-pill {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(8,10,15,0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-h);
  border-radius: 999px;
  padding: 0.5rem 1.1rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  z-index: 2;
}
.diff-pill--1 { top: 1.25rem; left: 1.25rem; }
.diff-pill--2 { bottom: 1.25rem; right: 1.25rem; }

.pill-num {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.pill-label { color: var(--text-soft); font-size: 0.78rem; }
.pill-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #25D366;
  box-shadow: 0 0 8px rgba(37,211,102,0.6);
  animation: pulseDot 2s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

/* ══════════════════════════════════════
   QUOTE SECTION
══════════════════════════════════════ */
.quote-section {
  padding: 6rem 0;
  text-align: center;
  background: var(--bg);
}

.big-quote {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--text-soft);
  font-style: normal;
  border: none;
}
.big-quote .accent { color: var(--accent); }

/* ══════════════════════════════════════
   CTA / CONTACTO
══════════════════════════════════════ */
.cta-section {
  padding: 7rem 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}

.cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.cta-desc {
  color: var(--text-soft);
  line-height: 1.75;
  margin-bottom: 2rem;
  font-size: 1rem;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: flex-start;
}

/* ── Contact Form ── */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}
.contact-form h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.25rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.8rem; font-weight: 500; color: var(--text-soft); }

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.7rem 1rem;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group select option { background: #111520; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,191,255,0.1);
}
.form-group textarea { resize: vertical; min-height: 80px; }

.form-note { font-size: 0.75rem; color: var(--text-muted); text-align: center; margin-top: -0.25rem; }

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-brand { display: flex; flex-direction: column; }
.footer-brand .logo-main { font-size: 1rem; font-weight: 700; color: var(--text); font-family: var(--font-display); }
.footer-brand .logo-sub  { font-size: 0.6rem; color: var(--accent); letter-spacing: 0.12em; text-transform: uppercase; font-weight: 600; }
.footer-tagline { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.35rem; }

.footer-nav { display: flex; gap: 1.5rem; }
.footer-nav a { font-size: 0.85rem; color: var(--text-muted); transition: color var(--transition); }
.footer-nav a:hover { color: var(--text); }

.footer-legal { text-align: right; }
.footer-legal p { font-size: 0.75rem; color: var(--text-muted); line-height: 1.6; }

/* ══════════════════════════════════════
   REVEAL ANIMATION
══════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-image-wrap { display: none; }
}

@media (max-width: 900px) {
  .diff-inner  { grid-template-columns: 1fr; gap: 3rem; }
  .cta-inner   { grid-template-columns: 1fr; gap: 3rem; }
  .diff-visual { order: -1; }
  .diff-photo-wrap { min-height: 300px; }
}

@media (max-width: 700px) {
  .nav-links {
    display: none;
    position: fixed;
    inset: var(--nav-h) 0 0 0;
    background: rgba(8,10,15,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1.1rem; }
  .hamburger { display: flex; }

  .solutions-grid { grid-template-columns: 1fr; }

  .hero-stats { flex-wrap: wrap; gap: 1rem; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-legal { text-align: left; }
  .footer-nav { flex-wrap: wrap; gap: 1rem; }

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

  .diff-photo-wrap { min-height: 240px; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}