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

:root {
  --bg:         #0d0d0d;
  --bg-surface: #141414;
  --bg-card:    #1a1a1a;
  --border:     #2a2a2a;
  --text:       #e8e8e8;
  --text-muted: #888;
  --accent:     #6ee7b7;
  --radius:     12px;
  --font:       'Inter', system-ui, -apple-system, sans-serif;
  --max-w:      1100px;
  --nav-h:      64px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ─── Layout ────────────────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ─── Nav ───────────────────────────────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 13, 13, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: var(--nav-h);
}

nav {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.logo {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
  margin-right: auto;
}

nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 2rem;
}

nav ul a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.btn-nav {
  background: var(--accent);
  color: #0d0d0d !important;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem !important;
  transition: opacity 0.2s;
}

.btn-nav:hover { opacity: 0.85; }

.lang-toggle {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  font-family: var(--font);
  flex-shrink: 0;
}

.lang-toggle:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

/* ─── Hero ──────────────────────────────────────────────────────────── */
.hero {
  min-height: calc(100vh - var(--nav-h));
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 6rem 2rem 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
}

.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(2.6rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 460px;
  margin-bottom: 2.5rem;
}

.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #0d0d0d;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem 2rem;
  border-radius: 999px;
  transition: opacity 0.2s, transform 0.2s;
}

.btn-primary:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.hero-visual {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 0.75rem;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 3.5rem;
}

/* ─── Services ──────────────────────────────────────────────────────── */
.services {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  transition: border-color 0.2s;
}

.card:hover { border-color: var(--accent); }

.card-icon { font-size: 1.75rem; margin-bottom: 1rem; }

.card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ─── Why ───────────────────────────────────────────────────────────── */
.why-body {
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.why-body p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.85;
}

/* ─── How it works ──────────────────────────────────────────────────── */
.how-it-works {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  max-width: 680px;
}

.steps li {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}

.steps li:last-child { border-bottom: none; }

.step-number {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  min-width: 2.5rem;
  padding-top: 0.25rem;
}

.steps h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  letter-spacing: -0.01em;
}

.steps p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ─── About ─────────────────────────────────────────────────────────── */
.about {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.about-inner {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 5rem;
  align-items: start;
}

.about-image {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 3 / 4;
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-text h2 { margin-bottom: 1.5rem; }

.about-text p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.about-text p:last-child { margin-bottom: 0; }

/* ─── FAQ ───────────────────────────────────────────────────────────── */
.faq-list {
  max-width: 680px;
  border-top: 1px solid var(--border);
}

details { border-bottom: 1px solid var(--border); }

details summary {
  padding: 1.5rem 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  user-select: none;
}

details summary::-webkit-details-marker { display: none; }

details summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.25s;
}

details[open] summary::after { transform: rotate(45deg); }

.faq-answer {
  padding: 0 2rem 1.5rem 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* ─── Articles ──────────────────────────────────────────────────────── */
.articles {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.coming-soon {
  font-size: 0.95rem;
  color: var(--text-muted);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 3rem 2rem;
  text-align: center;
  max-width: 480px;
}

/* ─── Contact ───────────────────────────────────────────────────────── */
.contact-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
  max-width: 640px;
}

.contact h2 { font-size: clamp(2rem, 4vw, 3rem); }
.contact p { color: var(--text-muted); font-size: 1.05rem; }

/* ─── Footer ────────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

footer nav { display: flex; gap: 1.75rem; }

footer nav a {
  color: var(--text-muted);
  transition: color 0.2s;
}

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

/* ─── Responsive ────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 4rem;
    gap: 3rem;
    min-height: auto;
  }

  .hero-visual { display: none; }

  nav ul { display: none; }

  .about-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-image {
    max-width: 200px;
    aspect-ratio: 1 / 1;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}