/* ── DESIGN TOKENS ──────────────────────────────────────── */
:root {
  --bg-deep: #050d1a;
  --bg: #071022;
  --surface: #0c1628;
  --card: #0f1c30;
  --border: rgba(255, 255, 255, 0.06);
  --muted: #8a97a8;
  --text: #dce8f4;
  --accent: #6ee7b7;
  --accent-dim: rgba(110, 231, 183, 0.12);
  --radius: 12px;
  --header-h: 64px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background-color: var(--bg-deep);
  background-image:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(110, 231, 183, 0.07) 0%, transparent 70%),
    linear-gradient(180deg, #071022 0%, #050d1a 100%);
  -webkit-font-smoothing: antialiased;
}

/* ── LAYOUT ─────────────────────────────────────────────── */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

/* ── HEADER ─────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(5, 13, 26, 0.75);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 1rem;
}

.logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

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

.main-nav {
  display: flex;
  gap: 0.25rem;
}

.main-nav a {
  color: var(--muted);
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s, background 0.15s;
}

.main-nav a:hover {
  color: var(--text);
  background: var(--border);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-switch {
  display: flex;
  gap: 0.25rem;
}

.lang-btn {
  background: transparent;
  border: 1px solid var(--border);
  padding: 0.3rem 0.65rem;
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.lang-btn:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.15);
}

.lang-btn.active {
  background: var(--accent);
  color: #042016;
  border-color: transparent;
}

.btn-cta {
  background: var(--accent);
  color: #042016;
  padding: 0.45rem 1rem;
  border-radius: 7px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: opacity 0.15s;
}

.btn-cta:hover {
  opacity: 0.88;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem 1rem;
  gap: 0.25rem;
}

.mobile-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  padding: 0.4rem 0;
  font-size: 0.95rem;
}

.mobile-nav[hidden] {
  display: none;
}

/* ── BUTTONS ────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: #042016;
  padding: 0.7rem 1.4rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
}

.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: var(--text);
  padding: 0.7rem 1.4rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid var(--border);
  transition: border-color 0.15s, background 0.15s;
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: var(--border);
}

/* ── HERO ───────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 6rem 0 5rem;
  text-align: center;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, black 30%, transparent 100%);
  pointer-events: none;
}

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

.hero-badge {
  display: inline-block;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(110, 231, 183, 0.25);
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.accent {
  color: var(--accent);
}

.hero p {
  color: var(--muted);
  max-width: 680px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-socials {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
}

.hero-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.hero-socials a:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}

/* ── SECTION HEADINGS ───────────────────────────────────── */
.section-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 0.75rem;
}

.section-sub {
  color: var(--muted);
  max-width: 640px;
  font-size: 1.02rem;
  margin-bottom: 2.5rem;
}

/* ── WHY ODZ ────────────────────────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

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

.why-card:hover {
  border-color: rgba(110, 231, 183, 0.25);
}

.icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 1rem;
}

.why-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.why-card p {
  color: var(--muted);
  font-size: 0.92rem;
}

/* ── SERVICES ───────────────────────────────────────────── */
.services {
  background: var(--surface);
}

.svc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

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

.svc-card:hover {
  border-color: rgba(110, 231, 183, 0.25);
  transform: translateY(-2px);
}

.svc-icon {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 1.1rem;
}

.svc-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.svc-card p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ── PARTNERS ───────────────────────────────────────────── */
.partners-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.partner-logo {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 130px;
  transition: border-color 0.2s;
}

.partner-logo:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

/* ── CONTACT ────────────────────────────────────────────── */
.contact {
  background: var(--surface);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-copy h2 {
  margin-bottom: 0.75rem;
}

.contact-copy p {
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.15s;
}

.contact-item:hover {
  color: var(--accent);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.88rem;
  color: var(--muted);
  font-weight: 500;
}

.contact-form input,
.contact-form textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 0.6rem 0.85rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.93rem;
  width: 100%;
  transition: border-color 0.15s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(110, 231, 183, 0.4);
}

.contact-form textarea {
  resize: vertical;
}

.form-note {
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: -0.25rem;
}

/* ── FOOTER ─────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-deep);
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  padding-top: 3rem;
  padding-bottom: 2rem;
}

.footer-left p {
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 0.4rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.15s;
}

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

.footer-socials {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.footer-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 7px;
  border: 1px solid var(--border);
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s, border-color 0.15s;
}

.footer-socials a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-bottom: 1.5rem;
  color: var(--muted);
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 0.5rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (width <= 768px) {
  .main-nav,
  .btn-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .contact-inner {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    gap: 1.5rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.25rem;
  }
}

@media (width <= 480px) {
  .hero {
    padding: 4rem 0 3.5rem;
  }

  .section {
    padding: 3.5rem 0;
  }

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