/* SYNVERT CHEMICALS LLP — landing page styles */

:root {
  --bg: #0c1218;
  --bg-elevated: #141c26;
  --surface: #1a2433;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8edf4;
  --text-muted: #8b9aaf;
  --accent: #3d9e8c;
  --accent-bright: #4ecfb8;
  --accent-dim: rgba(61, 158, 140, 0.15);
  --font: "DM Sans", system-ui, sans-serif;
  --font-display: "Outfit", var(--font);
  --radius: 12px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-bright);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(12, 18, 24, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1.5rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.04em;
  color: var(--text);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
  color: var(--accent-bright);
}

.logo span {
  display: block;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.875rem;
}

.nav-list {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  color: var(--text-muted);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
}

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

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.25rem 1.25rem;
    display: none;
  }

  .nav.is-open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    gap: 1rem;
  }
}

/* Hero */
.hero {
  padding: clamp(7rem, 12vw, 10rem) 0 clamp(4rem, 8vw, 6rem);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(61, 158, 140, 0.25), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(30, 80, 120, 0.12), transparent);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
  }
}

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-bright);
  background: var(--accent-dim);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 36ch;
  margin: 0 0 2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #2d8578 100%);
  color: #fff;
  box-shadow: 0 8px 32px rgba(61, 158, 140, 0.35);
}

.btn-primary:hover {
  text-decoration: none;
  box-shadow: 0 12px 40px rgba(61, 158, 140, 0.45);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  text-decoration: none;
  border-color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
}

.hero-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.hero-card h2 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

.stat {
  padding: 0.75rem 0.5rem;
  background: var(--surface);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--accent-bright);
  margin-bottom: 0.25rem;
}

.stat span {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.3;
}

/* Sections */
section {
  padding: clamp(3.5rem, 8vw, 5.5rem) 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

.section-intro {
  color: var(--text-muted);
  max-width: 52ch;
  margin: 0 0 2.5rem;
}

.bg-alt {
  background: var(--bg-elevated);
  border-block: 1px solid var(--border);
}

/* Cards grid */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.5rem 1.75rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: rgba(61, 158, 140, 0.35);
  transform: translateY(-2px);
}

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent-dim);
  color: var(--accent-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
}

.card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* Contact */
.contact-box {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .contact-box {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.contact-details {
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact-details li {
  margin-bottom: 1rem;
  padding-left: 0;
}

.contact-details dt {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.contact-details dd {
  margin: 0;
  font-size: 1.0625rem;
}

.contact-details a {
  color: var(--text);
}

.contact-note {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin: 0;
  padding: 1.25rem;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

/* Footer */
.site-footer {
  padding: 2rem 0 2.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
}

.site-footer strong {
  color: var(--text);
  font-weight: 600;
}