/* =============================================
   WeDo Products – Clean Corporate BEM Stylesheet
   Reference: acmewerx.com style
   ============================================= */

/* ----- 1. Variables ----- */
:root {
  --bg: #ffffff;
  --bg-alt: #f7f8fc;
  --bg-surface: #ffffff;
  --text: #1a1a2e;
  --text-secondary: #4a4a68;
  --text-muted: #7c7c9a;
  --border: #e4e4ef;
  --orange: #f15822;
  --orange-light: #fff4f0;
  --blue: #47a2da;
  --blue-light: #f0f7fd;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow: 0 2px 8px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.10);
  --transition: .25s ease;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --input-bg: #f7f8fc;
  --input-border: #e4e4ef;
  --footer-bg: #111827;
  --footer-text: #9ca3af;
}

html.dark {
  --bg: #0f1117;
  --bg-alt: #181b25;
  --bg-surface: #1e2130;
  --text: #e8e8f0;
  --text-secondary: #b0b0c8;
  --text-muted: #7c7c9a;
  --border: #2a2d3a;
  --orange-light: rgba(241,88,34,.1);
  --blue-light: rgba(71,162,218,.1);
  --shadow: 0 2px 8px rgba(0,0,0,.2);
  --shadow-md: 0 4px 16px rgba(0,0,0,.25);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.3);
  --input-bg: #1e2130;
  --input-border: #2a2d3a;
  --footer-bg: #0a0c12;
}

/* ----- 2. Reset ----- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}
img { display: block; max-width: 100%; height: auto; }
svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font: inherit; border: none; background: none; }
input, textarea { font: inherit; }
.hidden { display: none !important; }

/* Lucide SVG icons - explicit sizing */
.lucide { display: inline-block; vertical-align: middle; }
.icon-sm, .icon-sm.lucide { width: 16px; height: 16px; }
.icon-md, .icon-md.lucide { width: 20px; height: 20px; }
.icon-lg, .icon-lg.lucide { width: 24px; height: 24px; }
.icon-xl, .icon-xl.lucide { width: 48px; height: 48px; }

/* ----- 3. Layout ----- */
.app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  width: 100%;
  overflow-x: hidden;
}
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}
.container--narrow { max-width: 900px; }
.container--mid { max-width: 1040px; }


/* =========================================
   4. NAVIGATION
   ========================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
html.dark .nav {
  background: rgba(15,17,23,.92);
}

.nav__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav__logo-img {
  height: 32px;
  width: auto;
}
.nav__logo-text {
  font-weight: 700;
  font-size: 17px;
  color: var(--text);
  letter-spacing: -.02em;
}

.nav__links {
  display: none;
  align-items: center;
  gap: 4px;
}
@media (min-width: 768px) { .nav__links { display: flex; } }

.nav__link {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover {
  color: var(--orange);
  background: var(--orange-light);
}

.nav__divider {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 8px;
}

.nav__toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--bg);
  color: var(--text-secondary);
  transition: all var(--transition);
}
.nav__toggle:hover {
  border-color: var(--orange);
  color: var(--orange);
}
.nav__toggle-icon { font-size: 15px; line-height: 1; }
.nav__toggle-label { display: none; }
@media (min-width: 640px) { .nav__toggle-label { display: inline; } }

.nav__mobile-btns {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
@media (min-width: 768px) { .nav__mobile-btns { display: none; } }

.nav__hamburger {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  color: var(--text-muted);
  background: var(--bg);
  flex-shrink: 0;
}
.nav__hamburger svg,
.nav__hamburger .lucide { width: 20px; height: 20px; }

.nav__mobile-menu {
  padding: 8px 0 20px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
@media (min-width: 768px) { .nav__mobile-menu { display: none !important; } }

.nav__mobile-link {
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: all var(--transition);
}
.nav__mobile-link:hover {
  color: var(--orange);
  background: var(--orange-light);
}


/* =========================================
   5. HERO
   ========================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(-45deg, #1a1a2e, #f15822, #47a2da, #1a1a2e);
  background-size: 300% 300%;
  animation: gradient-shift 18s ease infinite;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .15;
  pointer-events: none;
}
.hero__orb--1 { width: 300px; height: 300px; background: #f15822; top: 10%; left: 5%; animation: float-a 10s ease-in-out infinite; }
.hero__orb--2 { width: 250px; height: 250px; background: #47a2da; top: 50%; right: 10%; animation: float-b 12s ease-in-out infinite; }
.hero__orb--3 { width: 200px; height: 200px; background: #e84393; bottom: 15%; left: 30%; animation: float-c 14s ease-in-out infinite; }

.hero__pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

.hero__content {
  position: relative;
  z-index: 10;
  max-width: 720px;
  margin: 0 auto;
  padding: 100px 20px 60px;
  text-align: center;
  color: #fff;
}

.hero__logo-wrap {
  margin-bottom: 32px;
  display: flex;
  justify-content: center;
}
.hero__logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,.15);
}
.hero__logo-img {
  height: 56px;
  width: auto;
  max-width: 180px;
}
@media (min-width: 768px) { .hero__logo-img { height: 72px; max-width: 240px; } }

.hero__title {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 16px;
  letter-spacing: -.03em;
}
@media (min-width: 768px) { .hero__title { font-size: 56px; } }
@media (min-width: 1024px) { .hero__title { font-size: 68px; } }

.hero__subtitle {
  font-size: 18px;
  font-weight: 300;
  margin-bottom: 12px;
  opacity: .9;
}
@media (min-width: 768px) { .hero__subtitle { font-size: 22px; } }

.hero__desc {
  font-size: 15px;
  max-width: 520px;
  margin: 0 auto 40px;
  line-height: 1.7;
  opacity: .7;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: #fff;
  color: #1a1a2e;
  font-weight: 700;
  font-size: 15px;
  border-radius: var(--radius-full);
  transition: transform var(--transition), box-shadow var(--transition);
}
.hero__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
}
.hero__cta svg,
.hero__cta .lucide { width: 18px; height: 18px; }

.hero__scroll-hint { margin-top: 48px; opacity: .4; }
.hero__scroll-mouse {
  width: 22px; height: 36px;
  border: 2px solid rgba(255,255,255,.3);
  border-radius: var(--radius-full);
  margin: 0 auto;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.hero__scroll-dot {
  width: 3px; height: 8px;
  background: rgba(255,255,255,.6);
  border-radius: var(--radius-full);
  animation: scroll-dot 1.8s ease-in-out infinite;
}


/* =========================================
   6. SHARED
   ========================================= */
.section-badge {
  display: inline-block;
  padding: 5px 14px;
  font-size: 11px;
  font-weight: 700;
  border-radius: var(--radius-full);
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-badge--orange { background: var(--orange-light); color: var(--orange); }
.section-badge--blue { background: var(--blue-light); color: var(--blue); }

.section-header { text-align: center; margin-bottom: 48px; }
@media (min-width: 768px) { .section-header { margin-bottom: 64px; } }

.section-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -.02em;
  line-height: 1.2;
}
@media (min-width: 768px) { .section-title { font-size: 38px; } }

.section-subtitle {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.6;
}

.gradient-border { position: relative; overflow: hidden; }
.gradient-border::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--blue));
}

.scroll-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.scroll-reveal.revealed { opacity: 1; transform: translateY(0); }


/* =========================================
   7. PRODUCTS
   ========================================= */
.products {
  padding: 80px 0;
  background: var(--bg-alt);
  transition: background var(--transition);
}
@media (min-width: 768px) { .products { padding: 100px 0; } }

.products__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 640px) { .products__grid { grid-template-columns: repeat(2, 1fr); gap: 24px; } }
@media (min-width: 1024px) { .products__grid { grid-template-columns: repeat(3, 1fr); } }

.product-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.product-card__icon-wrap { margin-bottom: 20px; }
.product-card__icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.product-card__icon svg,
.product-card__icon .lucide { width: 22px; height: 22px; }

.product-card__icon--orange  { background: linear-gradient(135deg, #f97316, #fbbf24); }
.product-card__icon--sky     { background: linear-gradient(135deg, #0ea5e9, #60a5fa); }
.product-card__icon--violet  { background: linear-gradient(135deg, #8b5cf6, #a855f7); }
.product-card__icon--emerald { background: linear-gradient(135deg, #10b981, #34d399); }
.product-card__icon--rose    { background: linear-gradient(135deg, #f43f5e, #ec4899); }
.product-card__icon--indigo  { background: linear-gradient(135deg, #6366f1, #818cf8); }

.product-card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.product-card__desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}
.product-card__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--orange);
}
.product-card__more:hover { gap: 10px; }
.product-card__more svg,
.product-card__more .lucide { width: 14px; height: 14px; }
.product-card__more-icon { width: 14px; height: 14px; transition: transform var(--transition); }
.product-card__more:hover .product-card__more-icon { transform: translateX(4px); }


/* =========================================
   8. ABOUT
   ========================================= */
.about {
  padding: 80px 0;
  background: var(--bg);
  transition: background var(--transition);
}
@media (min-width: 768px) { .about { padding: 100px 0; } }

.about__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (min-width: 1024px) { .about__grid { grid-template-columns: repeat(4, 1fr); gap: 32px; } }

.value-card { text-align: center; padding: 24px 16px; }

.value-card__letter {
  width: 72px; height: 72px;
  background: linear-gradient(135deg, var(--orange), var(--blue));
  color: #fff;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 28px;
  font-weight: 900;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition);
}
.value-card:hover .value-card__letter {
  transform: scale(1.08) rotate(3deg);
}

.value-card__word {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.value-card__desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 200px;
  margin: 0 auto;
}


/* =========================================
   9. CONTACT
   ========================================= */
.contact {
  padding: 80px 0;
  background: var(--bg-alt);
  transition: background var(--transition);
}
@media (min-width: 768px) { .contact { padding: 100px 0; } }

.contact__layout {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
@media (min-width: 768px) {
  .contact__info {
    flex-direction: row;
    justify-content: space-between;
    gap: 32px;
  }
  .contact__info > * {
    flex: 1;
    min-width: 0;
  }
}

.contact__info-item { display: flex; align-items: flex-start; gap: 16px; }
.contact__info-icon {
  width: 44px; height: 44px;
  min-width: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.contact__info-icon svg,
.contact__info-icon .lucide { width: 20px; height: 20px; }
.contact__info-icon--orange { background: linear-gradient(135deg, #f15822, #fbbf24); }
.contact__info-icon--blue { background: linear-gradient(135deg, #47a2da, #38bdf8); }

.contact__info-label { font-weight: 600; color: var(--text); margin-bottom: 2px; }
.contact__info-value { font-size: 14px; color: var(--text-muted); }

.contact__social-heading { font-weight: 600; color: var(--text); margin-bottom: 12px; }
.contact__social-links { display: flex; gap: 10px; }
.contact__social-link {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all var(--transition);
}
.contact__social-link svg,
.contact__social-link .lucide { width: 18px; height: 18px; }
.contact__social-link:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

/* Form */
.contact-form {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
}
@media (min-width: 768px) { .contact-form { padding: 40px; } }

.contact-form__title { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.contact-form__subtitle { font-size: 14px; color: var(--text-muted); margin-bottom: 28px; }

.contact-form__error {
  margin-bottom: 16px;
  padding: 12px 16px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
  border-radius: 10px;
  font-size: 14px;
}
html.dark .contact-form__error { background: rgba(127,29,29,.15); border-color: #7f1d1d; color: #f87171; }

.contact-form__success {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 0;
  text-align: center;
}
.contact-form__success-icon { width: 48px; height: 48px; margin: 0 auto 16px; color: #059669; }
.contact-form__success-icon svg,
.contact-form__success-icon .lucide { width: 48px; height: 48px; }
.contact-form__success-title { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.contact-form__success-text { font-size: 14px; color: var(--text-muted); }

.contact-form__fields { display: flex; flex-direction: column; gap: 20px; }
.contact-form__row { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 640px) { .contact-form__row { grid-template-columns: 1fr 1fr; } }

.contact-form__label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.contact-form__input,
.contact-form__textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--input-bg);
  border: 1.5px solid var(--input-border);
  border-radius: 10px;
  color: var(--text);
  outline: none;
  font-size: 15px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.contact-form__input::placeholder,
.contact-form__textarea::placeholder { color: var(--text-muted); }
.contact-form__input:focus,
.contact-form__textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(241,88,34,.1);
}
.contact-form__textarea { resize: none; min-height: 120px; }

.contact-form__submit {
  width: 100%;
  padding: 14px 24px;
  background: linear-gradient(135deg, var(--orange), var(--blue));
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  border-radius: 10px;
  transition: opacity var(--transition), transform var(--transition);
}
.contact-form__submit:hover { opacity: .9; transform: translateY(-1px); }


/* =========================================
   10. FOOTER
   ========================================= */
.footer {
  background: var(--footer-bg);
  color: #fff;
}
.footer__accent {
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--blue));
}
.footer__inner { padding: 56px 0 24px; }

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media (min-width: 768px) { .footer__grid { grid-template-columns: 2fr 1fr 1.5fr; } }

.footer__logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer__logo-img { height: 28px; width: auto; }
.footer__logo-name { font-weight: 700; font-size: 18px; }
.footer__desc { color: var(--footer-text); font-size: 14px; line-height: 1.7; max-width: 300px; }

.footer__heading { font-weight: 600; font-size: 15px; margin-bottom: 16px; }
.footer__link-list { display: flex; flex-direction: column; gap: 10px; }
.footer__link { font-size: 14px; color: var(--footer-text); transition: color var(--transition); }
.footer__link:hover { color: var(--orange); }

.footer__contact-items { display: flex; flex-direction: column; gap: 16px; }
.footer__contact-row { display: flex; align-items: center; gap: 12px; }
.footer__contact-icon {
  width: 36px; height: 36px;
  min-width: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
}
.footer__contact-icon svg,
.footer__contact-icon .lucide { width: 16px; height: 16px; }
.footer__contact-text { color: var(--footer-text); font-size: 14px; }

.footer__social { display: flex; gap: 10px; padding-top: 8px; }
.footer__social-link {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--footer-text);
  transition: all var(--transition);
}
.footer__social-link svg,
.footer__social-link .lucide { width: 16px; height: 16px; }
.footer__social-link:hover { background: var(--orange); color: #fff; }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
@media (min-width: 768px) { .footer__bottom { flex-direction: row; justify-content: space-between; } }
.footer__copyright { font-size: 13px; color: var(--footer-text); opacity: .7; }
.footer__tagline { font-size: 13px; color: var(--footer-text); font-style: italic; opacity: .5; }


/* =========================================
   11. ERROR / LOADING
   ========================================= */
.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-alt);
}
.error-page__card {
  text-align: center;
  padding: 40px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 400px;
  margin: 0 20px;
}
.error-page__icon { width: 48px; height: 48px; margin: 0 auto 16px; color: #ef4444; }
.error-page__icon svg,
.error-page__icon .lucide { width: 48px; height: 48px; }
.error-page__title { font-size: 22px; font-weight: 700; color: #ef4444; margin-bottom: 10px; }
html.dark .error-page__title { color: #f87171; }
.error-page__msg { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; line-height: 1.6; }
.error-page__btn {
  display: inline-block;
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--orange), var(--blue));
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  border-radius: 10px;
}

.loading {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 9999;
}
.loading__dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--orange);
  animation: bounce .6s infinite alternate;
}
.loading__dot:nth-child(2) { animation-delay: .15s; }
.loading__dot:nth-child(3) { animation-delay: .3s; }

.error-message {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: #fef2f2;
  border: 1px solid #fecaca;
  padding: 24px;
  border-radius: var(--radius-lg);
  color: #dc2626;
  max-width: 400px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  z-index: 9999;
}


/* =========================================
   12. ANIMATIONS
   ========================================= */
@keyframes gradient-shift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes float-a { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-20px); } }
@keyframes float-b { 0%,100% { transform: translateY(0); } 50% { transform: translateY(15px); } }
@keyframes float-c { 0%,100% { transform: translateX(0); } 50% { transform: translateX(15px); } }
@keyframes bounce { to { transform: translateY(-10px); opacity: .4; } }
@keyframes scroll-dot { 0% { transform: translateY(0); opacity: 1; } 60% { transform: translateY(6px); opacity: .2; } 100% { transform: translateY(0); opacity: 1; } }
@keyframes fade-up { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }

.anim-1 { animation: fade-up .6s ease both; }
.anim-2 { animation: fade-up .6s ease .1s both; }
.anim-3 { animation: fade-up .6s ease .2s both; }
.anim-4 { animation: fade-up .6s ease .3s both; }


/* =========================================
   13. SCROLLBAR
   ========================================= */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
html.dark ::-webkit-scrollbar-thumb { background: #2a2d3a; }


/* =========================================
   14. RESPONSIVE
   ========================================= */
@media (max-width: 639px) {
  .hero__content { padding: 90px 16px 48px; }
  .hero__title { font-size: 32px; }
  .products, .about, .contact { padding: 60px 0; }
  .product-card { padding: 24px; }
  .contact-form { padding: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .scroll-reveal { opacity: 1; transform: none; }
}