/* =====================================================
   LETOID.NET — Official Brand Website
   ===================================================== */

/* Custom Properties */
:root {
  --bg: #ffffff;
  --bg-alt: #f7f7f7;
  --dark: #0d0d0d;
  --orange: #ff6500;
  --orange-dark: #d95500;
  --gray: #6b6b6b;
  --gray-light: #e4e4e4;
  --footer-bg: #0d0d0d;
  --radius: 4px;
  --container: 1240px;
  --nav-h: 72px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --t: 0.25s;
  --font-display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --font-body: 'DM Sans', 'Segoe UI', sans-serif;
}

/* ===== RESET ===== */
*, *::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(--dark); line-height: 1.65; overflow-x: hidden; }
img, video { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font: inherit; }
ul, ol { list-style: none; }
address { font-style: normal; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}
h1 { font-size: clamp(2.5rem, 7vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4.5vw, 3.75rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.65rem); }
p  { font-size: 1rem; line-height: 1.7; color: var(--gray); }

/* ===== LAYOUT ===== */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section    { padding: 96px 0; }
.section--alt { background: var(--bg-alt); }

/* ===== NAVIGATION ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  height: var(--nav-h);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gray-light);
  transition: box-shadow var(--t) var(--ease);
}
.nav.scrolled { box-shadow: 0 2px 32px rgba(0,0,0,0.09); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.8rem; font-weight: 800;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--dark);
}
.nav__logo em { font-style: normal; color: var(--orange); }
.nav__logo sup { font-size: 0.45em; vertical-align: super; opacity: 0.7; }

.nav__links { display: flex; align-items: center; gap: 40px; }
.nav__link {
  font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--gray);
  transition: color var(--t) var(--ease);
  position: relative; padding-bottom: 4px;
}
.nav__link::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px; background: var(--orange);
  transform: scaleX(0); transition: transform var(--t) var(--ease);
  transform-origin: left;
}
.nav__link:hover, .nav__link.active { color: var(--dark); }
.nav__link:hover::after, .nav__link.active::after { transform: scaleX(1); }

.nav__burger {
  display: none; flex-direction: column; gap: 5px;
  width: 28px; padding: 6px 0; cursor: pointer;
}
.nav__burger span {
  display: block; height: 2px; background: var(--dark);
  transition: transform var(--t) var(--ease), opacity var(--t);
  border-radius: 1px;
}
.nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav__mobile {
  display: none;
  position: fixed; top: var(--nav-h); left: 0; right: 0; bottom: 0;
  background: var(--bg); z-index: 199;
  flex-direction: column; align-items: center; justify-content: center; gap: 40px;
  text-align: center;
}
.nav__mobile.open { display: flex; }
.nav__mobile .nav__link { font-size: 1.75rem; font-family: var(--font-display); letter-spacing: 0.12em; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; padding-top: var(--nav-h);
  display: grid; grid-template-columns: 1fr 1fr;
  background: var(--dark); color: white;
  overflow: hidden; position: relative;
}
.hero__left {
  display: flex; align-items: center;
  padding: 80px 0 80px 0;
  position: relative; z-index: 2;
}
.hero__content { max-width: 600px; }

.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--orange);
  border: 1px solid rgba(255,101,0,0.4); padding: 7px 16px; border-radius: 2px;
  margin-bottom: 32px;
}
.hero__title { color: white; margin-bottom: 24px; }
.hero__title em { font-style: normal; color: var(--orange); display: block; }
.hero__sub {
  font-size: 1.1rem; line-height: 1.7;
  color: rgba(255,255,255,0.65); margin-bottom: 48px; max-width: 480px;
}
.hero__cta {
  display: inline-flex; align-items: center; gap: 14px;
  background: var(--orange); color: white;
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 20px 48px; border-radius: 2px;
  transition: background var(--t) var(--ease), transform var(--t) var(--ease);
  min-height: 56px;
}
.hero__cta:hover { background: var(--orange-dark); transform: translateY(-3px); }
.hero__cta svg { flex-shrink: 0; transition: transform var(--t) var(--ease); }
.hero__cta:hover svg { transform: translateX(5px); }

.hero__right {
  position: relative; overflow: hidden;
  background: #181818;
  clip-path: polygon(10% 0, 100% 0, 100% 100%, 0% 100%);
}
.hero__right img {
  width: 100%; height: 100%;
  object-fit: cover; opacity: 0.7;
  mix-blend-mode: luminosity;
}
.hero__right-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to right, var(--dark) 0%, transparent 40%);
}

/* ===== MARQUEE ===== */
.marquee {
  background: var(--orange); padding: 16px 0;
  overflow: hidden; white-space: nowrap; user-select: none;
}
.marquee__track {
  display: inline-flex;
  animation: marquee-scroll 24s linear infinite;
  will-change: transform;
}
.marquee__item {
  font-family: var(--font-display); font-size: 1rem; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase; color: white;
  padding: 0 40px; flex-shrink: 0;
}
.marquee__dot {
  color: rgba(255,255,255,0.5); padding-right: 40px;
  font-size: 0.5rem; vertical-align: middle;
}
@keyframes marquee-scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; }
}

/* ===== SECTION HEADER ===== */
.section-header { margin-bottom: 64px; }
.section-header--center { text-align: center; }
.section-label {
  display: inline-block; font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--orange);
  margin-bottom: 14px;
}
.section-title { margin-bottom: 18px; }
.section-desc { max-width: 560px; font-size: 1.05rem; }
.section-header--center .section-desc { margin: 0 auto; }

/* ===== PRODUCT CARDS ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(272px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--bg); border: 1px solid var(--gray-light);
  border-radius: var(--radius); overflow: hidden;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease), border-color var(--t) var(--ease);
  display: flex; flex-direction: column;
}
.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 64px rgba(0,0,0,0.12);
  border-color: var(--orange);
}
.product-card__img-wrap {
  aspect-ratio: 1 / 1;
  background: #f5f5f5;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; position: relative;
}
.product-card__img {
  width: 100%; height: 100%;
  object-fit: contain; padding: 16px;
  transition: transform 0.4s var(--ease);
}
.product-card:hover .product-card__img { transform: scale(1.06); }

.product-card__body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.product-card__cat {
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--orange); margin-bottom: 8px;
}
.product-card__name {
  font-family: var(--font-display); font-size: 1.05rem; font-weight: 700;
  text-transform: uppercase; color: var(--dark); line-height: 1.3; margin-bottom: 12px;
}
.product-card__desc {
  font-size: 0.875rem; line-height: 1.65; color: var(--gray);
  flex: 1; margin-bottom: 20px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.btn-price {
  display: flex; align-items: center; justify-content: center;
  width: 100%; background: var(--dark); color: white;
  font-family: var(--font-display); font-size: 1rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 14px 16px; border-radius: 2px; min-height: 44px;
  transition: background var(--t) var(--ease);
  gap: 8px;
}
.btn-price:hover { background: var(--orange); }
.btn-price svg { flex-shrink: 0; }

/* ===== VIEW ALL BTN ===== */
.btn-outline {
  display: inline-flex; align-items: center; gap: 10px;
  border: 2px solid var(--dark); color: var(--dark);
  font-family: var(--font-display); font-size: 1rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 16px 40px; border-radius: 2px; min-height: 52px;
  transition: background var(--t) var(--ease), color var(--t) var(--ease);
}
.btn-outline:hover { background: var(--dark); color: white; }

/* ===== ADVANTAGES ===== */
.advantages-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.advantage-card {
  padding: 40px 32px;
  border-left: 3px solid var(--orange);
  background: white;
  border-radius: 0 var(--radius) var(--radius) 0;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.advantage-card:hover { transform: translateX(4px); box-shadow: 4px 8px 32px rgba(0,0,0,0.06); }
.advantage-icon { font-size: 2.25rem; margin-bottom: 20px; line-height: 1; }
.advantage-title {
  font-family: var(--font-display); font-size: 1.35rem; font-weight: 700;
  text-transform: uppercase; margin-bottom: 12px; color: var(--dark);
}
.advantage-card p { font-size: 0.93rem; }

/* ===== COUNTERS ===== */
.counters { background: var(--dark); padding: 88px 0; }
.counters-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; text-align: center;
}
.counter-num {
  font-family: var(--font-display); font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800; color: var(--orange); line-height: 1; margin-bottom: 12px;
}
.counter-label {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: rgba(255,255,255,0.5);
}

/* ===== CTA BANNER ===== */
.cta-banner { background: var(--orange); padding: 88px 0; text-align: center; }
.cta-banner h2 { color: white; margin-bottom: 20px; }
.cta-banner p { color: rgba(255,255,255,0.85); font-size: 1.1rem; margin-bottom: 48px; max-width: 520px; margin-left: auto; margin-right: auto; }
.btn-white {
  display: inline-flex; align-items: center; gap: 10px;
  background: white; color: var(--orange);
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 20px 48px; border-radius: 2px; min-height: 56px;
  transition: background var(--t) var(--ease), color var(--t) var(--ease), transform var(--t) var(--ease);
}
.btn-white:hover { background: var(--dark); color: white; transform: translateY(-3px); }

/* ===== REVIEWS ===== */
.reviews-grid { columns: 3 280px; column-gap: 24px; }
.review-card {
  break-inside: avoid; background: white;
  border: 1px solid var(--gray-light); border-radius: var(--radius);
  padding: 24px; margin-bottom: 24px;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}
.review-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.08); }
.review-card__header { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 16px; }
.review-card__avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--orange); color: white;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 1.15rem; font-weight: 700;
  flex-shrink: 0;
}
.review-card__name { font-weight: 600; font-size: 0.92rem; color: var(--dark); margin-bottom: 2px; }
.review-card__product { font-size: 0.72rem; color: var(--gray); letter-spacing: 0.05em; margin-bottom: 4px; }
.review-card__verified {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 0.68rem; color: #22a05a; font-weight: 700; letter-spacing: 0.06em;
}
.review-card__text { font-size: 0.88rem; line-height: 1.7; color: var(--gray); }
.review-card__date { font-size: 0.72rem; color: #bbb; margin-top: 14px; }

/* ===== FOOTER ===== */
.footer { background: var(--footer-bg); color: white; padding: 72px 0 32px; }
.footer__grid {
  display: grid; grid-template-columns: 2fr 1fr 1.2fr;
  gap: 48px; margin-bottom: 56px;
}
.footer__logo {
  font-family: var(--font-display); font-size: 1.9rem; font-weight: 800;
  letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 16px;
}
.footer__logo em { font-style: normal; color: var(--orange); }
.footer__tagline { font-size: 0.875rem; line-height: 1.7; color: rgba(255,255,255,0.45); max-width: 280px; }
.footer__heading {
  font-family: var(--font-display); font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.24em; text-transform: uppercase; color: var(--orange); margin-bottom: 24px;
}
.footer__links { display: flex; flex-direction: column; gap: 12px; }
.footer__link { font-size: 0.875rem; color: rgba(255,255,255,0.55); transition: color var(--t) var(--ease); }
.footer__link:hover { color: white; }
.footer__address { font-size: 0.875rem; line-height: 1.8; color: rgba(255,255,255,0.5); }
.footer__address a { color: rgba(255,255,255,0.55); transition: color var(--t) var(--ease); }
.footer__address a:hover { color: white; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08); padding-top: 28px;
  display: flex; align-items: center; justify-content: space-between;
}
.footer__copy { font-size: 0.78rem; color: rgba(255,255,255,0.35); }
.footer__legal { display: flex; gap: 24px; }
.footer__legal a { font-size: 0.78rem; color: rgba(255,255,255,0.35); transition: color var(--t) var(--ease); }
.footer__legal a:hover { color: rgba(255,255,255,0.7); }

/* ===== PAGE HERO (INNER PAGES) ===== */
.page-hero {
  padding: 160px 0 96px; background: var(--dark); color: white;
  text-align: center; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(
    -45deg, transparent, transparent 40px,
    rgba(255,101,0,0.03) 40px, rgba(255,101,0,0.03) 41px
  );
}
.page-hero__content { position: relative; z-index: 1; }
.page-hero h1 { color: white; margin-bottom: 20px; }
.page-hero p { color: rgba(255,255,255,0.6); font-size: 1.1rem; max-width: 560px; margin: 0 auto; }
.breadcrumb {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 0.78rem; color: rgba(255,255,255,0.4);
  margin-bottom: 24px; letter-spacing: 0.06em;
}
.breadcrumb a { color: rgba(255,255,255,0.4); transition: color var(--t); }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb__sep { color: rgba(255,255,255,0.25); }

/* ===== ABOUT PAGE ===== */
.mission-block { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.mission-text {
  font-family: var(--font-display); font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 700; text-transform: uppercase; line-height: 1.25;
  color: var(--dark); border-left: 4px solid var(--orange); padding-left: 32px;
}
.mission-body p { margin-bottom: 16px; font-size: 1.05rem; }
.values-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.value-card {
  padding: 40px; background: white; border-radius: var(--radius);
  border: 1px solid var(--gray-light);
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease);
}
.value-card:hover { transform: translateY(-4px); border-color: var(--orange); }
.value-card__num {
  font-family: var(--font-display); font-size: 3.5rem; font-weight: 800;
  color: var(--orange); opacity: 0.2; line-height: 1; margin-bottom: 16px;
}
.value-card__title {
  font-family: var(--font-display); font-size: 1.3rem; font-weight: 700;
  text-transform: uppercase; margin-bottom: 10px; color: var(--dark);
}
.value-card p { font-size: 0.92rem; }

.promises-list { display: flex; flex-direction: column; }
.promise-item {
  display: grid; grid-template-columns: 72px 1fr; gap: 32px; align-items: start;
  padding: 40px 0; border-bottom: 1px solid var(--gray-light);
}
.promise-item:first-child { border-top: 1px solid var(--gray-light); }
.promise-num {
  font-family: var(--font-display); font-size: 3rem; font-weight: 800; color: var(--orange);
  line-height: 1;
}
.promise-title {
  font-family: var(--font-display); font-size: 1.3rem; font-weight: 700;
  text-transform: uppercase; margin-bottom: 10px; color: var(--dark);
}
.promise-item p { font-size: 0.93rem; }

/* ===== PRODUCTS PAGE ===== */
.filters { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }
.filter-btn {
  font-family: var(--font-display); font-size: 0.9rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 10px 28px; border: 2px solid var(--gray-light);
  border-radius: 2px; color: var(--gray); background: white;
  transition: all var(--t) var(--ease); cursor: pointer; min-height: 44px;
}
.filter-btn:hover { border-color: var(--orange); color: var(--orange); }
.filter-btn.active { background: var(--orange); color: white; border-color: var(--orange); }

.products-detail-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 32px;
}
.product-detail-card {
  background: white; border: 1px solid var(--gray-light); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease), border-color var(--t) var(--ease);
}
.product-detail-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 56px rgba(0,0,0,0.11);
  border-color: var(--orange);
}
.product-detail-card__img-wrap {
  aspect-ratio: 1 / 1; background: #f5f5f5;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.product-detail-card__img { width: 100%; height: 100%; object-fit: contain; padding: 24px; }
.product-detail-card__body { padding: 28px; display: flex; flex-direction: column; flex: 1; }
.product-detail-card__cat {
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--orange); margin-bottom: 10px;
}
.product-detail-card__name {
  font-family: var(--font-display); font-size: 1.2rem; font-weight: 700;
  text-transform: uppercase; color: var(--dark); margin-bottom: 16px; line-height: 1.3;
}
.product-bullets { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; flex: 1; }
.product-bullet {
  display: flex; gap: 10px; font-size: 0.84rem; line-height: 1.55; color: var(--gray);
}
.product-bullet::before { content: '▸'; color: var(--orange); flex-shrink: 0; margin-top: 2px; }

/* ===== CONTACT PAGE ===== */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.contact-form { display: flex; flex-direction: column; gap: 24px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-label {
  font-size: 0.76rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--dark);
}
.form-input, .form-textarea {
  font-family: var(--font-body); font-size: 1rem;
  padding: 14px 18px; border: 2px solid var(--gray-light);
  border-radius: var(--radius); background: white; color: var(--dark);
  transition: border-color var(--t) var(--ease); width: 100%; min-height: 48px;
}
.form-input:focus, .form-textarea:focus { outline: none; border-color: var(--orange); }
.form-textarea { min-height: 148px; resize: vertical; }
.btn-submit {
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  background: var(--orange); color: white;
  padding: 18px 48px; border-radius: 2px; min-height: 56px; align-self: flex-start;
  transition: background var(--t) var(--ease), transform var(--t) var(--ease);
}
.btn-submit:hover { background: var(--orange-dark); transform: translateY(-2px); }
.form-success {
  display: none; padding: 20px 24px;
  background: #e6f9ee; border: 1px solid #22a05a; border-radius: var(--radius);
  color: #1a7a45; font-weight: 500; font-size: 0.95rem;
}

.contact-info-side { display: flex; flex-direction: column; gap: 32px; }
.info-item { display: flex; gap: 18px; align-items: flex-start; }
.info-icon {
  width: 48px; height: 48px; border-radius: var(--radius);
  background: var(--orange); color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; flex-shrink: 0;
}
.info-label {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--gray); margin-bottom: 6px;
}
.info-value { font-size: 0.95rem; font-weight: 500; color: var(--dark); line-height: 1.6; }
.info-value a { color: var(--dark); transition: color var(--t); }
.info-value a:hover { color: var(--orange); }

/* ===== FAQ ===== */
.faq-list { display: flex; flex-direction: column; }
.faq-item { border-bottom: 1px solid var(--gray-light); }
.faq-item:first-child { border-top: 1px solid var(--gray-light); }
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 0; cursor: pointer; font-weight: 600; font-size: 0.97rem;
  color: var(--dark); gap: 16px; min-height: 60px; user-select: none;
}
.faq-icon {
  width: 28px; height: 28px; flex-shrink: 0;
  background: var(--gray-light); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--t) var(--ease), transform var(--t) var(--ease);
  font-size: 1.1rem; color: var(--dark); font-weight: 700; line-height: 1;
}
.faq-item.open .faq-icon { background: var(--orange); transform: rotate(45deg); color: white; }
.faq-answer {
  display: none; padding-bottom: 20px;
  font-size: 0.92rem; line-height: 1.75; color: var(--gray);
}
.faq-item.open .faq-answer { display: block; }

/* ===== ANIMATIONS ===== */
.fade-up {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

.fade-up:nth-child(1) { transition-delay: 0s; }
.fade-up:nth-child(2) { transition-delay: 0.08s; }
.fade-up:nth-child(3) { transition-delay: 0.16s; }
.fade-up:nth-child(4) { transition-delay: 0.24s; }
.fade-up:nth-child(5) { transition-delay: 0.32s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; }
  .hero__right { display: none; }
  .hero__left { justify-content: center; text-align: center; padding: 80px 24px; }
  .hero__content { max-width: 100%; }
  .hero__sub { margin-left: auto; margin-right: auto; }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .mission-block { grid-template-columns: 1fr; gap: 48px; }
  .contact-layout { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .advantages-grid { grid-template-columns: 1fr; }
  .counters-grid { grid-template-columns: 1fr; gap: 40px; }
  .reviews-grid { columns: 1; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 16px; text-align: center; }
  .footer__legal { flex-wrap: wrap; justify-content: center; }
  .products-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .products-detail-grid { grid-template-columns: 1fr; }
  .filters { justify-content: center; }
  .promise-item { grid-template-columns: 48px 1fr; gap: 16px; }
  .counters-grid { text-align: center; }
  .hero__cta { width: 100%; justify-content: center; }
  .btn-submit { width: 100%; justify-content: center; }
  .section-header { margin-bottom: 40px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.8rem; }
  .products-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 128px 0 64px; }
}

/* Container queries for card adaptivity */
@container (max-width: 280px) {
  .product-card__name { font-size: 0.95rem; }
}