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

:root {
  --primary:      #0ea5e9;
  --primary-dark: #0284c7;
  --accent:       #38bdf8;
  --dark:         #0c1a2e;
  --gray:         #64748b;
  --light-bg:     #f0f9ff;
  --white:        #ffffff;
  --radius:       12px;
  --shadow:       0 4px 24px rgba(0,0,0,.08);
  --transition:   .25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--dark);
  line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Navbar ─────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,.93);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(14,165,233,.1);
}

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

.logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -.5px;
}

.logo span { color: var(--primary); }

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: .95rem;
  font-weight: 500;
  color: var(--gray);
  transition: color var(--transition);
}

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

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: .75rem 1.75rem;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 2px solid rgba(255,255,255,.6);
  color: var(--white);
}

.btn-outline:hover {
  background: rgba(255,255,255,.15);
  border-color: var(--white);
}

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, #0c1a2e 0%, #0c2a4a 40%, #0369a1 80%, #0ea5e9 100%);
  padding: 6rem 1.5rem 4rem;
  position: relative;
  overflow: hidden;
}

/* Subtle grid overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(14,165,233,.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14,165,233,.15) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.hero-content { position: relative; z-index: 1; }

.hero-badge {
  display: inline-block;
  background: rgba(14,165,233,.25);
  border: 1px solid rgba(14,165,233,.5);
  color: #bae6fd;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .35rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.hero-content h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  max-width: 720px;
  margin: 0 auto .85rem;
}

.hero-content p {
  font-size: 1.15rem;
  color: rgba(255,255,255,.75);
  max-width: 560px;
  margin: 0 auto 2.25rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Sections ───────────────────────────────────────────── */
.section { padding: 5rem 0; }
.section-alt { background: var(--light-bg); }

.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
}

.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
  margin: .6rem auto 0;
}

/* ── About ──────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text p {
  color: var(--gray);
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.stat {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid rgba(14,165,233,.08);
  display: flex;
  flex-direction: column;
  gap: .3rem;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.stat-label { font-size: .82rem; color: var(--gray); font-weight: 500; }

/* ── Product Cards ──────────────────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(14,165,233,.08);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 36px rgba(14,165,233,.14);
}

.card-icon { font-size: 2.4rem; margin-bottom: .75rem; }

.card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: .3rem;
}

.card-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(14,165,233,.08);
  padding: .2rem .65rem;
  border-radius: 999px;
  margin-bottom: .85rem;
  letter-spacing: .03em;
}

.card > p:not(.card-tag) { color: var(--gray); font-size: .95rem; margin-bottom: 1.25rem; }

.card-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .45rem;
}

.card-features li {
  font-size: .875rem;
  color: var(--gray);
  padding-left: 1.2rem;
  position: relative;
}

.card-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

/* ── Contact ────────────────────────────────────────────── */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 3rem;
  align-items: start;
}

.contact-info h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: .75rem; }
.contact-info p { color: var(--gray); margin-bottom: 1.5rem; }

.contact-details { display: flex; flex-direction: column; gap: .6rem; }
.contact-details li { color: var(--gray); font-size: .95rem; }

.contact-form { display: flex; flex-direction: column; gap: 1.1rem; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group { display: flex; flex-direction: column; gap: .4rem; }
.form-group label { font-size: .9rem; font-weight: 600; }

.form-group input,
.form-group textarea {
  padding: .7rem 1rem;
  border: 1.5px solid #e2e8f0;
  border-radius: 8px;
  font-size: .95rem;
  font-family: inherit;
  transition: border-color var(--transition);
  background: var(--white);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-success {
  display: none;
  color: #16a34a;
  font-weight: 600;
  font-size: .95rem;
}

/* ── Footer ─────────────────────────────────────────────── */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,.4);
  text-align: center;
  padding: 1.5rem;
  font-size: .875rem;
}

/* ── Language Switcher ──────────────────────────────────── */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: .35rem;
  margin-left: 1.5rem;
}

.lang-sep {
  color: #cbd5e1;
  font-size: .85rem;
  user-select: none;
}

.lang-btn {
  background: none;
  border: 1.5px solid transparent;
  border-radius: 6px;
  padding: .2rem .55rem;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--gray);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
}

.lang-btn:hover { color: var(--primary); }

.lang-btn.active {
  color: var(--primary);
  border-color: var(--primary);
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .about-grid,
  .contact-wrapper { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .nav-links { gap: 1.2rem; }
}

@media (max-width: 480px) {
  .nav-links { display: none; }
}