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

:root {
  --color-bg:       #fafafa;
  --color-surface:  #ffffff;
  --color-dark:     #0f1419;
  --color-text:     #3d4f5f;
  --color-muted:    #7a8b9a;
  --color-accent:   #c0392b;
  --color-accent-h: #a93226;
  --color-border:   #e8ecf0;
  --color-alt:      #f4f6f8;

  --font: 'DM Sans', system-ui, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(15, 20, 25, 0.06);
  --shadow-lg: 0 12px 48px rgba(15, 20, 25, 0.1);
  --transition: 0.25s ease;
  --container: 1120px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

/* ── Header ── */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  border-color: var(--color-border);
  box-shadow: var(--shadow);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  color: var(--color-dark);
  font-size: 0.95rem;
}

.logo__mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--color-dark);
  color: #fff;
  border-radius: 10px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.logo__text { display: none; }

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

.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  transition: color var(--transition);
}

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

.nav__cta {
  padding: 0.55rem 1.25rem;
  background: var(--color-dark);
  color: #fff !important;
  border-radius: 8px;
  transition: background var(--transition) !important;
}

.nav__cta:hover { background: var(--color-accent) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero ── */
.hero {
  padding: 8rem 0 5rem;
  background: linear-gradient(160deg, #fff 0%, var(--color-alt) 100%);
  overflow: hidden;
}

.hero__inner {
  display: grid;
  gap: 3rem;
  align-items: center;
}

.hero__eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-dark);
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero__lead {
  font-size: 1.1rem;
  color: var(--color-muted);
  max-width: 520px;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__visual {
  display: flex;
  justify-content: center;
}

.hero__carousel {
  width: min(100%, 420px);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid rgba(15, 20, 25, 0.04);
}

.hero__slide {
  display: none;
}

.hero__slide.active {
  display: block;
  animation: fadeIn 0.35s ease;
}

.hero__slide img {
  width: 100%;
  height: 290px;
  object-fit: cover;
}

.hero__slide-content {
  padding: 1.35rem 1.4rem 1.5rem;
}

.hero__slide-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: rgba(192, 57, 43, 0.12);
  color: var(--color-accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.7rem;
}

.hero__slide h3 {
  font-size: 1.15rem;
  color: var(--color-dark);
  margin-bottom: 0.35rem;
}

.hero__slide p {
  color: var(--color-muted);
  font-size: 0.95rem;
}

.hero__carousel-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 1rem 1rem;
}

.hero__carousel-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-dark);
  font-size: 1.2rem;
  cursor: pointer;
  transition: border-color var(--transition), transform var(--transition), color var(--transition);
}

.hero__carousel-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-1px);
}

.hero__carousel-dots {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.hero__carousel-dot {
  width: 10px;
  height: 10px;
  border: none;
  border-radius: 50%;
  background: rgba(15, 20, 25, 0.2);
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.hero__carousel-dot.active {
  background: var(--color-accent);
  transform: scale(1.1);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 10px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}

.btn--primary:hover { background: var(--color-accent-h); }

.btn--ghost {
  background: transparent;
  color: var(--color-dark);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-dark);
  background: var(--color-dark);
  color: #fff;
}

.btn--full { width: 100%; }

/* ── Stats ── */
.stats {
  background: var(--color-dark);
  color: #fff;
  padding: 3rem 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat strong {
  display: block;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.stat span {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.65);
}

/* ── Sections ── */
.section {
  padding: 5rem 0;
}

.section--alt {
  background: var(--color-alt);
}

.section--contact {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.75);
}

.section__header { margin-bottom: 2.5rem; }

.section__header--center { text-align: center; }

.section__eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section--contact .section__eyebrow { color: rgba(255, 255, 255, 0.5); }

.section h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  color: var(--color-dark);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section--contact h2 { color: #fff; }

.about__grid {
  display: grid;
  gap: 1.5rem;
  max-width: 780px;
}

.about__grid p { font-size: 1.05rem; }

/* ── Cards ── */
.cards {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.card__icon {
  width: 48px;
  height: 48px;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.5rem;
}

.card p {
  font-size: 0.95rem;
  color: var(--color-muted);
  flex: 1;
}

.card__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 1.5rem;
  padding: 0.7rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-dark);
  background: var(--color-alt);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: background var(--transition), border-color var(--transition), color var(--transition), gap var(--transition);
}

.card__link span {
  transition: transform var(--transition);
}

.card__link:hover {
  background: var(--color-dark);
  border-color: var(--color-dark);
  color: #fff;
  gap: 0.65rem;
}

.card__link:hover span {
  transform: translateX(3px);
}

/* ── Catalog placeholder pages ── */
.page-placeholder {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.page-placeholder h1 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 0.75rem;
}

.page-placeholder p {
  color: var(--color-muted);
  margin-bottom: 2rem;
  max-width: 420px;
}

.page-placeholder .btn { margin-top: 0.5rem; }

/* ── Features ── */
.features {
  display: grid;
  gap: 1.5rem;
  max-width: 720px;
  margin-inline: auto;
}

.feature {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.feature__num {
  flex-shrink: 0;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

.feature h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 0.35rem;
}

.feature p {
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* ── Contact ── */
.contact {
  display: grid;
  gap: 3rem;
}

.contact__info p:not(.section__eyebrow) {
  margin-bottom: 2rem;
  max-width: 420px;
}

.contact__details {
  display: grid;
  gap: 1.25rem;
}

.contact__details li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.contact__details strong {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
}

.contact__details a {
  color: #fff;
  transition: color var(--transition);
}

.contact__details a:hover { color: var(--color-accent); }

.contact__form {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font);
  font-size: 0.95rem;
  color: #fff;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  outline: none;
  transition: border-color var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
}

.form-group textarea { resize: vertical; min-height: 100px; }

/* ── Footer ── */
.footer {
  padding: 2rem 0;
  background: #0a0d10;
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.85rem;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  text-align: center;
}

.footer__tagline {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.25);
}

/* ── Responsive ── */
@media (min-width: 540px) {
  .logo__text { display: inline; }
  .stats__grid { grid-template-columns: repeat(4, 1fr); }
  .cards { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .hero__inner {
    grid-template-columns: 1fr 1fr;
  }

  .hero__visual { justify-content: flex-end; }

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

  .contact {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (min-width: 960px) {
  .cards { grid-template-columns: repeat(4, 1fr); }

  .features {
    grid-template-columns: 1fr 1fr;
    max-width: none;
  }
}

@media (max-width: 767px) {
  .nav-toggle { display: flex; }

  .nav {
    position: fixed;
    inset: 72px 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 1.25rem 1.5rem;
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
    box-shadow: var(--shadow);
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--color-border);
  }

  .nav a:last-child {
    border-bottom: none;
    margin-top: 0.5rem;
    text-align: center;
  }
}