/* ─── SHEME — Design System ─── */
:root {
  --red:       #E31E24;
  --red-dark:  #B8181D;
  --blue:      #008BB1;
  --blue-dark: #006A88;
  --blue-light:#2B98C4;
  --gold:      #D4A017;
  --black:     #0D0D0D;
  --gray-900:  #1A1A1A;
  --gray-700:  #3D3D3D;
  --gray-500:  #6B6B6B;
  --gray-200:  #E8E8E8;
  --gray-100:  #F5F5F5;
  --white:     #FFFFFF;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Montserrat', system-ui, sans-serif;
  --font-script:  'Pacifico', cursive;

  --radius:    16px;
  --radius-lg: 24px;
  --shadow:    0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.18);
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  width: min(1200px, 92vw);
  margin-inline: auto;
}

/* ─── Header ─── */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
  padding: 0.6rem 0;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
}

.logo__img {
  height: 56px;
  width: auto;
  display: block;
}

.logo__img--footer {
  height: 64px;
}

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

.nav__link {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--black);
  transition: color var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--red);
  transition: width var(--transition);
}

.nav__link:hover::after { width: 100%; }
.nav__link:hover { color: var(--red); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn--red {
  background: var(--red);
  color: var(--white);
}

.btn--red:hover { background: var(--red-dark); }

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.6);
}

.btn--outline:hover {
  background: var(--white);
  color: var(--red);
  border-color: var(--white);
}

.btn--blue {
  background: var(--blue);
  color: var(--white);
}

.btn--blue:hover { background: var(--blue-dark); }

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.burger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--black);
  transition: var(--transition);
  border-radius: 2px;
}

/* ─── Hero ─── */
.hero {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--gray-100);
}

.hero__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center top;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: 8rem 0 4rem;
  max-width: 700px;
}

.hero__tag {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--white);
  padding: 0.4rem 1.2rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.8s ease both;
}

.hero__title {
  margin-bottom: 1.5rem;
  animation: fadeUp 0.8s 0.15s ease both;
}

.hero__title-line1 {
  display: block;
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 600;
  color: var(--blue-light);
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
  letter-spacing: 0.02em;
}

.hero__title-line2 {
  display: block;
  font-family: var(--font-script);
  font-size: clamp(3rem, 10vw, 6.5rem);
  color: var(--red);
  line-height: 1.05;
  text-shadow: 0 4px 20px rgba(227, 30, 36, 0.5);
  margin-top: -0.2em;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.9);
  margin-bottom: 2.5rem;
  max-width: 520px;
  animation: fadeUp 0.8s 0.3s ease both;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  animation: fadeUp 0.8s 0.45s ease both;
}

.hero__scroll {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.85);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
  pointer-events: none;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.8), transparent);
}

/* ─── Stats bar ─── */
.stats {
  background: var(--red);
  padding: 2.5rem 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.stat__number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}

.stat__label {
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.4rem;
}

/* ─── Section commons ─── */
.section {
  padding: 6rem 0;
}

.section--gray { background: var(--gray-100); }

.section__header {
  text-align: center;
  margin-bottom: 4rem;
}

.section__eyebrow {
  display: inline-block;
  color: var(--blue);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
}

.section__title span { color: var(--red); }

.section__desc {
  margin-top: 1rem;
  color: var(--gray-500);
  max-width: 600px;
  margin-inline: auto;
  font-size: 1.05rem;
}

/* ─── About ─── */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about__image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about__image-wrap img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.about__image-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background: var(--blue-light);
  color: var(--white);
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: var(--shadow);
}

.about__content h3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  margin-bottom: 1rem;
  color: var(--gray-900);
}

.about__content p {
  color: var(--gray-500);
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

.about__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.about__feature {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--gray-100);
  border-radius: var(--radius);
  transition: transform var(--transition), box-shadow var(--transition);
}

.about__feature:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.about__feature-icon {
  width: 40px;
  height: 40px;
  background: var(--red);
  border-radius: 10px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  color: var(--white);
  font-size: 1.1rem;
}

.about__feature-text strong {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.2rem;
}

.about__feature-text span {
  font-size: 0.8rem;
  color: var(--gray-500);
}

/* ─── Products ─── */
.products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-card--featured {
  grid-column: span 1;
}

.product-card__badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--red);
  color: var(--white);
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  z-index: 2;
}

.product-card__image {
  background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
  padding: 2rem 1.5rem 1rem;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  min-height: 240px;
}

.product-card__image img {
  max-height: 200px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition);
}

.product-card:hover .product-card__image img {
  transform: scale(1.05);
}

.product-card__body {
  padding: 1.5rem;
  border-top: 1px solid var(--gray-200);
}

.product-card__category {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.4rem;
}

.product-card__name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.product-card__desc {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.product-card__specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.product-card__spec {
  background: var(--gray-100);
  padding: 0.3rem 0.75rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-700);
}

.product-card__cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-card__link {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--red);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap var(--transition);
}

.product-card__link:hover { gap: 0.7rem; }

/* ─── Why Sheme ─── */
.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.why-card {
  text-align: center;
  padding: 2.5rem 2rem;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: transform var(--transition);
  border-top: 4px solid transparent;
}

.why-card:hover {
  transform: translateY(-5px);
  border-top-color: var(--red);
}

.why-card__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.5rem;
  background: linear-gradient(135deg, var(--blue-light), var(--blue));
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.75rem;
  box-shadow: 0 8px 24px rgba(0, 139, 177, 0.3);
}

.why-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.why-card__text {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ─── Gallery strip ─── */
.gallery {
  padding: 0;
  overflow: hidden;
}

.gallery__track {
  display: flex;
  gap: 1rem;
  animation: marquee 30s linear infinite;
  width: max-content;
}

.gallery__track:hover { animation-play-state: paused; }

.gallery__item {
  flex-shrink: 0;
  width: 320px;
  height: 220px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery__item:hover img { transform: scale(1.08); }

/* ─── CTA ─── */
.cta {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 50%, var(--blue-light) 100%);
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}

.cta__inner {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
}

.cta__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta__desc {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 550px;
  margin: 0 auto 2.5rem;
}

.cta__contacts {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.cta__contact {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 1rem 1.75rem;
  border-radius: var(--radius);
  transition: background var(--transition);
}

.cta__contact:hover { background: rgba(255,255,255,0.2); }

.cta__contact-icon {
  width: 44px;
  height: 44px;
  background: var(--red);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.cta__contact-label {
  font-size: 0.75rem;
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.cta__contact-value {
  font-weight: 700;
  font-size: 1rem;
}

/* ─── Footer ─── */
.footer {
  background: var(--black);
  color: rgba(255,255,255,0.7);
  padding: 3rem 0 1.5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__brand p {
  margin-top: 1rem;
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer__heading {
  font-weight: 700;
  color: var(--white);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}

.footer__links li { margin-bottom: 0.6rem; }

.footer__links a {
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer__links a:hover { color: var(--red); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
}

.footer__bottom strong { color: var(--red); }

/* ─── Social links ─── */
.social {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.social--light {
  justify-content: center;
  flex-direction: column;
  margin-bottom: 2rem;
}

.social__label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.85;
}

.social__links {
  display: flex;
  gap: 0.75rem;
}

.social__link {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  transition: background var(--transition), transform var(--transition), color var(--transition);
}

.social--light .social__link {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
}

.footer .social__link {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

.social__link svg {
  width: 20px;
  height: 20px;
}

.social__link:hover {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
  transform: translateY(-3px);
}

/* ─── Animations ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Mobile nav ─── */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(13, 13, 13, 0.97);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

.mobile-nav.open { display: flex; }

.mobile-nav a {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color var(--transition);
}

.mobile-nav a:hover { color: var(--red); }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .products__grid { grid-template-columns: repeat(2, 1fr); }
  .why__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav { display: none; }
  .burger { display: flex; }

  .about__grid { grid-template-columns: 1fr; gap: 2rem; }
  .about__features { grid-template-columns: 1fr; }
  .products__grid { grid-template-columns: 1fr; }
  .why__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .cta__contacts { flex-direction: column; align-items: center; }
  .hero__content { padding-top: 6rem; }
}

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .stats__grid { grid-template-columns: 1fr 1fr; }
}