/* ==========================================
   ASMAD Solar — Main Stylesheet
   ========================================== */

/* 1. CUSTOM PROPERTIES
/* 2. RESET & BASE
/* 3. TYPOGRAPHY
/* 4. LAYOUT
/* 5. NAVIGATION
/* 6. HERO
/* 7. MARQUEE
/* 8. SECTIONS
/* 9. PRODUCT CARDS
/* 10. FEATURES
/* 11. STATS
/* 12. REVIEWS
/* 13. CTA BANNER
/* 14. ABOUT PAGE
/* 15. PRODUCTS PAGE
/* 16. CONTACT PAGE
/* 17. FOOTER
/* 18. ANIMATIONS & KEYFRAMES
/* 19. RESPONSIVE
/* ========================================== */

/* 1. CUSTOM PROPERTIES */
:root {
  --orange:        #F57C00;
  --orange-light:  #FF9A3C;
  --orange-dark:   #E65100;
  --orange-glow:   rgba(245,124,0,.25);
  --gold:          #FFD54F;
  --dark:          #0D1117;
  --dark-2:        #131D2A;
  --dark-3:        #1C2A38;
  --bg:            #FAFAF8;
  --bg-card:       #FFFFFF;
  --text:          #1C1C2E;
  --text-2:        #5A5A7A;
  --text-3:        #8888A2;
  --border:        #E8E8F0;
  --white:         #FFFFFF;
  --font-head:     'Poppins', -apple-system, sans-serif;
  --font-body:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-s:      8px;
  --radius-m:      16px;
  --radius-l:      24px;
  --radius-full:   9999px;
  --shadow-s:      0 1px 4px rgba(0,0,0,.08);
  --shadow-m:      0 4px 20px rgba(0,0,0,.12);
  --shadow-l:      0 8px 40px rgba(0,0,0,.16);
  --shadow-orange: 0 4px 28px rgba(245,124,0,.4);
  --t-fast:        150ms ease;
  --t-base:        260ms ease;
  --t-slow:        420ms ease;
  --container:     1248px;
}

/* 2. RESET & BASE */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea, select { font: inherit; }

/* 3. TYPOGRAPHY */
h1,h2,h3,h4,h5 {
  font-family: var(--font-head);
  line-height: 1.2;
  font-weight: 700;
}
h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.625rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.125rem; font-weight: 600; }
p { font-size: 1rem; line-height: 1.7; }

/* 4. LAYOUT */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}
.section { padding-block: 96px; }
.section--sm { padding-block: 64px; }
.section--dark { background: var(--dark); color: var(--white); }
.section--dark-2 { background: var(--dark-2); color: var(--white); }

/* Tag / Badge */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.tag--orange { background: rgba(245,124,0,.12); color: var(--orange); }
.tag--white  { background: rgba(255,255,255,.12); color: var(--white); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-s);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-body);
  transition: all var(--t-base);
  min-height: 52px;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--t-fast);
}
.btn:hover::after { background: rgba(255,255,255,.08); }
.btn:active::after { background: rgba(0,0,0,.08); }

.btn--primary {
  background: var(--orange);
  color: var(--white);
  box-shadow: var(--shadow-orange);
}
.btn--primary:hover { background: var(--orange-dark); transform: translateY(-2px); box-shadow: 0 6px 32px rgba(245,124,0,.5); }

.btn--outline {
  border: 2px solid rgba(255,255,255,.5);
  color: var(--white);
}
.btn--outline:hover { border-color: var(--white); background: rgba(255,255,255,.08); }

.btn--outline-dark {
  border: 2px solid var(--border);
  color: var(--text);
}
.btn--outline-dark:hover { border-color: var(--orange); color: var(--orange); }

.btn--lg { padding: 18px 44px; font-size: 1.0625rem; min-height: 60px; }
.btn--full { width: 100%; }

/* Section header */
.section-header { text-align: center; margin-bottom: 64px; }
.section-header p { max-width: 600px; margin: 16px auto 0; color: var(--text-2); font-size: 1.0625rem; }
.section-header--light p { color: rgba(255,255,255,.7); }

/* 5. NAVIGATION */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background var(--t-slow), box-shadow var(--t-slow);
  padding-block: 0;
}
.nav.scrolled {
  background: rgba(13,17,23,.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255,255,255,.06);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.nav__logo-icon {
  width: 40px;
  height: 40px;
  background: var(--orange);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.375rem;
  color: var(--white);
  flex-shrink: 0;
}
.nav__logo-text {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.375rem;
  color: var(--white);
  letter-spacing: .01em;
}
.nav__logo-sub {
  font-size: .65rem;
  font-weight: 500;
  color: rgba(255,255,255,.5);
  display: block;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-top: -2px;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav__link {
  color: rgba(255,255,255,.75);
  font-size: .9375rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-s);
  transition: color var(--t-fast), background var(--t-fast);
  min-height: 44px;
  display: flex;
  align-items: center;
}
.nav__link:hover,
.nav__link.active { color: var(--white); background: rgba(255,255,255,.08); }
.nav__link.active { color: var(--orange); }
.nav__cta { margin-left: 8px; }
.nav__cta .btn { padding: 10px 24px; min-height: 44px; }
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-s);
  transition: background var(--t-fast);
  position: relative;
  z-index: 200;
}
.nav__burger:hover { background: rgba(255,255,255,.08); }
.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--t-base);
  transform-origin: center;
}
.nav__burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.nav__mobile {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: rgba(13,17,23,.97);
  backdrop-filter: blur(20px);
  padding: 24px;
  flex-direction: column;
  gap: 8px;
  z-index: 99;
  border-top: 1px solid rgba(255,255,255,.06);
  transform: translateY(-10px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--t-base), opacity var(--t-base);
}
.nav__mobile.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}
.nav__mobile .nav__link {
  font-size: 1.0625rem;
  padding: 14px 16px;
  border-radius: var(--radius-s);
  justify-content: center;
  text-align: center;
}
.nav__mobile .btn { margin-top: 8px; width: 100%; min-height: 52px; }

/* 6. HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #050912 0%, #091522 40%, #0C1F14 100%);
  padding-top: 72px;
}
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero__glow-1 {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,124,0,.15) 0%, transparent 70%);
  top: -200px; right: -200px;
}
.hero__glow-2 {
  position: absolute;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,213,79,.06) 0%, transparent 70%);
  bottom: -300px; left: -200px;
}
.hero__fireflies {
  position: absolute;
  inset: 0;
}
.firefly {
  position: absolute;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 6px 3px rgba(255,213,79,.5);
  animation: firefly-pulse 3s ease-in-out infinite;
}
.hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding-block: 80px;
}
.hero__content { max-width: 580px; }
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(245,124,0,.3);
  background: rgba(245,124,0,.08);
  color: var(--orange-light);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero__eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
  animation: pulse-dot 2s ease-in-out infinite;
}
.hero__title {
  color: var(--white);
  margin-bottom: 24px;
}
.hero__title em {
  font-style: normal;
  color: var(--orange);
}
.hero__subtitle {
  color: rgba(255,255,255,.7);
  font-size: 1.125rem;
  margin-bottom: 40px;
  max-width: 480px;
}
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero__trust {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.hero__trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.6);
  font-size: .875rem;
}
.hero__trust-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.hero__product-wrap {
  position: relative;
  width: 100%;
  max-width: 480px;
}
.hero__product-glow {
  position: absolute;
  inset: -40px;
  background: radial-gradient(circle at 50% 60%, rgba(255,213,79,.2) 0%, transparent 65%);
  pointer-events: none;
}
.hero__product-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-l);
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-l);
}
.hero__product-placeholder {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, #131D2A 0%, #1C2A38 100%);
  border-radius: var(--radius-l);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  z-index: 1;
}
.hero__badge {
  position: absolute;
  top: 24px;
  right: 24px;
  background: var(--orange);
  color: var(--white);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: .8rem;
  font-weight: 700;
  z-index: 2;
  text-transform: uppercase;
  letter-spacing: .04em;
}

/* 7. MARQUEE */
.marquee-section {
  background: var(--orange);
  overflow: hidden;
  padding-block: 16px;
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee-scroll 25s linear infinite;
}
.marquee-track:hover { animation-play-state: paused; }
.marquee-item {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-inline: 24px;
  white-space: nowrap;
  color: var(--white);
  font-weight: 600;
  font-size: .9375rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.marquee-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,.5);
  flex-shrink: 0;
}

/* 8. SECTIONS – GENERIC */
.section-divider {
  width: 56px;
  height: 4px;
  background: var(--orange);
  border-radius: 2px;
  margin: 16px auto 0;
}
.section-divider--left { margin-left: 0; }

/* 9. PRODUCT CARDS */
.product-showcase { background: var(--bg); }
.product-showcase__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.product-img-wrap {
  position: relative;
}
.product-img-main {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: var(--radius-l);
  background: var(--bg-card);
  box-shadow: var(--shadow-m);
  padding: 24px;
}
.product-img-placeholder {
  width: 100%;
  aspect-ratio: 1;
  background: var(--bg-card);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-m);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  color: var(--text-3);
}
.product-img-placeholder .pi-icon { font-size: 3rem; }
.product-img-placeholder .pi-label { font-size: .875rem; font-weight: 500; }
.product-label {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--orange);
  color: var(--white);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: .775rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.product-info {}
.product-info__brand {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--orange);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.product-info h2 { margin-bottom: 16px; }
.product-info__desc { color: var(--text-2); margin-bottom: 32px; font-size: 1.0625rem; }
.product-bullets {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 36px;
}
.product-bullet {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: .9375rem;
  color: var(--text);
}
.product-bullet__icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(245,124,0,.12);
  color: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  font-size: .75rem;
  font-weight: 700;
}
.product-cta {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}
.product-cta__note {
  font-size: .875rem;
  color: var(--text-3);
}

/* Product grid (for multiple cards) */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}
.product-card {
  background: var(--bg-card);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-s);
  overflow: hidden;
  transition: transform var(--t-base), box-shadow var(--t-base);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-l);
  border-color: rgba(245,124,0,.2);
}
.product-card__img-wrap {
  position: relative;
  overflow: hidden;
  background: #F5F5F0;
}
.product-card__img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  padding: 20px;
  transition: transform var(--t-slow);
}
.product-card:hover .product-card__img { transform: scale(1.04); }
.product-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--orange);
  color: var(--white);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
}
.product-card__body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.product-card__name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
  line-height: 1.4;
}
.product-card__features {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  flex: 1;
}
.feature-pill {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: .775rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}
.product-card__btn { width: 100%; }

/* 10. FEATURES */
.features-section { background: var(--dark); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--radius-m);
  padding: 32px 28px;
  transition: background var(--t-base), transform var(--t-base), border-color var(--t-base);
}
.feature-card:hover {
  background: rgba(255,255,255,.07);
  transform: translateY(-4px);
  border-color: rgba(245,124,0,.3);
}
.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-m);
  background: rgba(245,124,0,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  transition: background var(--t-base);
}
.feature-card:hover .feature-card__icon { background: rgba(245,124,0,.25); }
.feature-card h4 { color: var(--white); margin-bottom: 10px; font-size: 1.0625rem; }
.feature-card p { color: rgba(255,255,255,.6); font-size: .9375rem; line-height: 1.6; }

/* 11. STATS */
.stats-section { background: var(--dark-2); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.stat-item {
  text-align: center;
  padding: 48px 24px;
  border-right: 1px solid rgba(255,255,255,.06);
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  color: rgba(255,255,255,.6);
  font-size: .9375rem;
  font-weight: 500;
}

/* 12. REVIEWS */
.reviews-section { background: var(--bg); }
.reviews-masonry {
  columns: 3;
  column-gap: 24px;
}
.review-card {
  break-inside: avoid;
  margin-bottom: 24px;
  background: var(--bg-card);
  border-radius: var(--radius-m);
  padding: 24px;
  border: 1px solid var(--border);
  transition: box-shadow var(--t-base), transform var(--t-base);
}
.review-card:hover { box-shadow: var(--shadow-m); transform: translateY(-3px); }
.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--orange);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .875rem;
  flex-shrink: 0;
}
.review-avatar--alt { background: #2563EB; }
.review-avatar--alt2 { background: #059669; }
.review-avatar--alt3 { background: #7C3AED; }
.review-avatar--alt4 { background: #DC2626; }
.review-meta {}
.review-name { font-weight: 600; font-size: .9375rem; color: var(--text); }
.review-loc { font-size: .8125rem; color: var(--text-3); }
.review-verified {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #ECFDF5;
  color: #059669;
  font-size: .75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}
.review-verified::before { content: '✓'; font-weight: 700; }
.review-title { font-weight: 600; font-size: 1rem; margin-bottom: 8px; color: var(--text); }
.review-text { font-size: .9375rem; color: var(--text-2); line-height: 1.65; }
.review-date { font-size: .8125rem; color: var(--text-3); margin-top: 14px; display: block; }

/* 13. CTA BANNER */
.cta-banner {
  background: linear-gradient(135deg, #F57C00 0%, #E65100 100%);
  padding-block: 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.cta-banner h2 { color: var(--white); position: relative; z-index: 1; }
.cta-banner p { color: rgba(255,255,255,.85); max-width: 520px; margin: 16px auto 40px; font-size: 1.125rem; position: relative; z-index: 1; }
.cta-banner .btn--white {
  background: var(--white);
  color: var(--orange-dark);
  font-weight: 700;
  position: relative;
  z-index: 1;
}
.cta-banner .btn--white:hover { background: rgba(255,255,255,.9); transform: translateY(-2px); }

/* How it works */
.how-section { background: var(--bg-card); }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  position: relative;
}
.steps-grid::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 16.66%;
  right: 16.66%;
  height: 2px;
  background: linear-gradient(90deg, var(--orange) 0%, var(--orange-light) 50%, var(--orange) 100%);
  opacity: .2;
}
.step {
  text-align: center;
  position: relative;
}
.step__num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--orange);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 0 0 8px rgba(245,124,0,.1);
  position: relative;
  z-index: 1;
}
.step h4 { margin-bottom: 10px; }
.step p { color: var(--text-2); font-size: .9375rem; }

/* 14. ABOUT PAGE */
.page-hero {
  background: linear-gradient(160deg, #050912 0%, #091522 50%, #0C1F14 100%);
  padding: 160px 0 96px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.page-hero h1 { color: var(--white); }
.page-hero p { color: rgba(255,255,255,.7); max-width: 560px; margin: 20px auto 0; font-size: 1.125rem; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  margin-bottom: 24px;
}
.breadcrumb a { color: rgba(255,255,255,.5); font-size: .875rem; transition: color var(--t-fast); }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb span { color: rgba(255,255,255,.3); font-size: .875rem; }
.breadcrumb__current { color: rgba(255,255,255,.8); font-size: .875rem; }

.mission-section { background: var(--bg-card); }
.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.mission-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-l);
}
.mission-img-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-l);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}
.mission-content {}
.mission-content h2 { margin-bottom: 24px; }
.mission-content p { color: var(--text-2); font-size: 1.0625rem; margin-bottom: 20px; }

.values-section { background: var(--bg); }
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.value-card {
  background: var(--bg-card);
  border-radius: var(--radius-m);
  padding: 36px 28px;
  border: 1px solid var(--border);
  text-align: center;
  transition: transform var(--t-base), box-shadow var(--t-base), border-color var(--t-base);
}
.value-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-m);
  border-color: var(--orange);
}
.value-icon {
  font-size: 2.25rem;
  margin-bottom: 16px;
  display: block;
}
.value-card h4 { margin-bottom: 10px; }
.value-card p { color: var(--text-2); font-size: .9375rem; }

.promise-section { background: var(--dark); }
.promise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.promise-item { text-align: center; }
.promise-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}
.promise-item h4 { color: var(--white); margin-bottom: 8px; }
.promise-item p { color: rgba(255,255,255,.6); font-size: .9375rem; }

/* 15. PRODUCTS PAGE */
.product-detail-section { background: var(--bg); }
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.product-gallery { position: sticky; top: 96px; }
.product-gallery__main {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: var(--radius-l);
  background: var(--bg-card);
  box-shadow: var(--shadow-m);
  padding: 32px;
  margin-bottom: 16px;
}
.product-gallery__main-placeholder {
  width: 100%;
  aspect-ratio: 1;
  background: var(--bg-card);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-m);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  flex-direction: column;
  gap: 12px;
  color: var(--text-3);
}
.product-gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.product-gallery__thumb {
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: var(--radius-s);
  background: var(--bg-card);
  border: 2px solid var(--border);
  padding: 8px;
  cursor: pointer;
  transition: border-color var(--t-fast);
}
.product-gallery__thumb.active,
.product-gallery__thumb:hover { border-color: var(--orange); }
.product-gallery__thumb-placeholder {
  aspect-ratio: 1;
  background: var(--bg-card);
  border-radius: var(--radius-s);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  transition: border-color var(--t-fast);
  color: var(--text-3);
}
.product-gallery__thumb-placeholder:hover { border-color: var(--orange); }
.product-detail-info {}
.product-detail-info__brand {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--orange);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.product-detail-info h1 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 20px; }
.product-detail-info__lead { color: var(--text-2); font-size: 1.0625rem; margin-bottom: 32px; line-height: 1.7; }
.product-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.product-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--text);
}
.product-badge .icon { font-size: .9375rem; }
.product-features-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  overflow: hidden;
}
.pf-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  transition: background var(--t-fast);
}
.pf-item:last-child { border-bottom: none; }
.pf-item:hover { background: var(--bg); }
.pf-item__icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(245,124,0,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 1px;
}
.pf-item__content h5 { font-size: .9375rem; margin-bottom: 4px; }
.pf-item__content p { font-size: .875rem; color: var(--text-2); line-height: 1.55; }
.product-detail-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.specs-section { background: var(--bg-card); }
.specs-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  overflow: hidden;
}
.specs-table tr { border-bottom: 1px solid var(--border); }
.specs-table tr:last-child { border-bottom: none; }
.specs-table td {
  padding: 16px 24px;
  font-size: .9375rem;
}
.specs-table td:first-child {
  font-weight: 600;
  color: var(--text);
  background: var(--bg);
  width: 35%;
}
.specs-table td:last-child { color: var(--text-2); }

/* 16. CONTACT PAGE */
.contact-section { background: var(--bg); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}
.contact-info {}
.contact-info h2 { margin-bottom: 16px; }
.contact-info__desc { color: var(--text-2); font-size: 1.0625rem; margin-bottom: 40px; }
.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 24px;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.contact-card:hover { border-color: var(--orange); box-shadow: var(--shadow-s); }
.contact-card__icon {
  font-size: 1.375rem;
  margin-bottom: 12px;
  display: block;
}
.contact-card__label { font-size: .8125rem; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 4px; }
.contact-card__value { font-size: .9375rem; color: var(--text); font-weight: 500; }
.contact-card__value a { color: var(--orange); }
.contact-card__value a:hover { text-decoration: underline; }
.contact-form-wrap {
  background: var(--bg-card);
  border-radius: var(--radius-l);
  padding: 48px;
  box-shadow: var(--shadow-m);
  border: 1px solid var(--border);
}
.contact-form-wrap h3 { margin-bottom: 8px; }
.contact-form-wrap > p { color: var(--text-2); margin-bottom: 32px; }
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-weight: 600;
  font-size: .9375rem;
  margin-bottom: 8px;
  color: var(--text);
}
.form-input,
.form-textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-s);
  font-size: .9375rem;
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  min-height: 52px;
}
.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(245,124,0,.1);
  background: var(--white);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--text-3); }
.form-textarea { resize: vertical; min-height: 140px; line-height: 1.65; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-status { display: none; padding: 16px; border-radius: var(--radius-s); margin-top: 16px; font-weight: 500; }
.form-status.success { display: block; background: #ECFDF5; color: #059669; border: 1px solid #D1FAE5; }
.form-status.error { display: block; background: #FEF2F2; color: #DC2626; border: 1px solid #FECACA; }

/* FAQ */
.faq-section { background: var(--bg-card); }
.faq-list { max-width: 800px; margin-inline: auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item:last-child { border-bottom: none; }
.faq-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  text-align: left;
  color: var(--text);
  font-weight: 600;
  font-size: 1rem;
  font-family: var(--font-body);
  cursor: pointer;
  background: none;
  border: none;
  min-height: 72px;
  transition: color var(--t-fast);
}
.faq-btn:hover { color: var(--orange); }
.faq-arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--t-base), background var(--t-base);
  font-size: 1.25rem;
  color: var(--text-2);
}
.faq-btn[aria-expanded="true"] .faq-arrow {
  transform: rotate(180deg);
  background: var(--orange);
  color: var(--white);
}
.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--t-slow), padding var(--t-slow);
}
.faq-answer.open { max-height: 300px; }
.faq-answer-inner { padding-bottom: 24px; color: var(--text-2); font-size: .9375rem; line-height: 1.75; }

/* 17. FOOTER */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,.75);
  padding-top: 80px;
  padding-bottom: 40px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}
.footer__brand {}
.footer__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer__desc { font-size: .9375rem; line-height: 1.7; max-width: 280px; margin-bottom: 24px; }
.footer__address {
  font-size: .875rem;
  color: rgba(255,255,255,.5);
  line-height: 1.7;
}
.footer__socials {
  display: flex;
  gap: 10px;
  margin-top: 24px;
}
.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-s);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .875rem;
  transition: background var(--t-fast), border-color var(--t-fast);
  color: rgba(255,255,255,.7);
  text-decoration: none;
}
.social-link:hover { background: var(--orange); border-color: var(--orange); color: var(--white); }
.footer__col h5 {
  color: var(--white);
  font-size: .875rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a {
  color: rgba(255,255,255,.6);
  font-size: .9375rem;
  transition: color var(--t-fast);
}
.footer__links a:hover { color: var(--orange); }
.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .9375rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 10px;
}
.footer__contact-icon { margin-top: 2px; flex-shrink: 0; }
.footer__bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,.07);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer__copy { font-size: .875rem; color: rgba(255,255,255,.4); }
.footer__legal { display: flex; gap: 24px; }
.footer__legal a { font-size: .875rem; color: rgba(255,255,255,.4); transition: color var(--t-fast); }
.footer__legal a:hover { color: rgba(255,255,255,.8); }
.footer__official {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .8125rem;
  color: rgba(255,255,255,.4);
}
.footer__official::before {
  content: '🇺🇸';
  font-size: .875rem;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }

/* 18. KEYFRAMES */
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@keyframes firefly-pulse {
  0%, 100% { opacity: .15; transform: scale(.8); }
  50% { opacity: 1; transform: scale(1.2); }
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(.8); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* Prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .marquee-track { animation: none; }
}

/* 19. RESPONSIVE */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; gap: 48px; padding-block: 96px; }
  .hero__visual { max-width: 480px; margin-inline: auto; }
  .hero__content { max-width: 100%; text-align: center; }
  .hero__actions { justify-content: center; }
  .hero__trust { justify-content: center; }
  .product-showcase__inner { grid-template-columns: 1fr; gap: 48px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.06); }
  .stat-item:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.06); }
  .stat-item:nth-last-child(-n+2) { border-bottom: none; }
  .mission-grid { grid-template-columns: 1fr; gap: 48px; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .promise-grid { grid-template-columns: repeat(2, 1fr); }
  .product-detail-grid { grid-template-columns: 1fr; gap: 48px; }
  .product-gallery { position: static; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .reviews-masonry { columns: 2; }
}

@media (max-width: 768px) {
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: flex; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.625rem; }
  .section { padding-block: 64px; }
  .section-header { margin-bottom: 48px; }
  .features-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: 32px; }
  .steps-grid::before { display: none; }
  .values-grid { grid-template-columns: 1fr; }
  .promise-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .reviews-masonry { columns: 1; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .footer__legal { flex-wrap: wrap; justify-content: center; }
  .contact-form-wrap { padding: 32px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .product-detail-cta { flex-direction: column; }
  .product-cta { flex-direction: column; }
  .hero__actions { flex-direction: column; align-items: center; }
  .hero__actions .btn { width: 100%; max-width: 360px; }
  .hero__subtitle { font-size: 1rem; }
  .product-gallery__thumbs { grid-template-columns: repeat(4, 1fr); }
  .specs-table td { padding: 12px 16px; font-size: .875rem; }
  .cta-banner { padding-block: 56px; }
  .stat-item { padding: 32px 16px; }
}

@media (max-width: 480px) {
  .container { padding-inline: 16px; }
  .promise-grid { grid-template-columns: 1fr; }
  .hero__trust { flex-direction: column; align-items: center; gap: 12px; }
  .product-badges { gap: 6px; }
  .product-gallery__thumbs { grid-template-columns: repeat(3, 1fr); }
  .footer__socials { flex-wrap: wrap; }
  .btn { padding: 13px 24px; font-size: .9375rem; }
  .btn--lg { padding: 15px 32px; }
}