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

:root {
  --blue-50: #eff6ff;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-900: #1e3a5f;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --white: #ffffff;
  --radius: 16px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 4px 24px rgba(0, 0, 0, 0.08);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--blue-600);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--blue-700);
}

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

/* ── Navigation ──────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--gray-200);
}

.navbar-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--gray-900);
}

.navbar-brand img {
  height: 36px;
  width: auto;
}

.navbar-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.navbar-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: color 0.2s;
}

.navbar-links a:hover,
.navbar-links a.active {
  color: var(--blue-600);
}

/* Language switcher */
.lang-switcher {
  position: relative;
  cursor: pointer;
}

.lang-current {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-600);
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  padding: 4px 10px;
  transition: background 0.2s, color 0.2s;
}

.lang-current::after {
  content: "\25BE";
  font-size: 0.7rem;
}

.lang-switcher:hover .lang-current {
  background: var(--blue-50);
  color: var(--blue-600);
  border-color: var(--blue-200);
}

.lang-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 6px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  list-style: none;
  min-width: 60px;
  overflow: hidden;
  z-index: 200;
}

.lang-switcher:hover .lang-menu {
  display: block;
}

.lang-menu li a {
  display: block;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-600);
  text-align: center;
  transition: background 0.15s;
}

.lang-menu li a:hover {
  background: var(--blue-50);
  color: var(--blue-600);
}

.lang-menu li a.active {
  color: var(--blue-600);
  font-weight: 700;
}

/* Hamburger (mobile) */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-700);
  margin: 5px 0;
  border-radius: 2px;
  transition: 0.3s;
}

/* ── Hero ────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--blue-50) 0%, var(--white) 60%);
  padding: 100px 24px 80px;
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-logo {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -55%);
  width: 280px;
  height: 280px;
  opacity: 0.08;
  animation: float 6s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes float {
  0%, 100% { transform: translate(-50%, -55%); }
  50% { transform: translate(-50%, calc(-55% - 10px)); }
}

.hero h1 {
  position: relative;
  z-index: 1;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  position: relative;
  z-index: 1;
  max-width: 560px;
  margin: 0 auto 40px;
  font-size: 1.15rem;
  color: var(--gray-500);
  line-height: 1.8;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--blue-600);
  color: var(--white);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 50px;
  transition: background 0.2s, transform 0.2s;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.hero-cta:hover {
  background: var(--blue-700);
  color: var(--white);
  transform: translateY(-1px);
}

/* ── Features ────────────────────────────────────── */
.features {
  max-width: 1120px;
  margin: 0 auto;
  padding: 80px 24px;
}

.features-heading {
  text-align: center;
  margin-bottom: 56px;
}

.features-heading h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.features-heading p {
  color: var(--gray-500);
  font-size: 1.05rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: box-shadow 0.3s, transform 0.3s;
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  background: var(--blue-50);
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--gray-900);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ── Channels ────────────────────────────────────── */
.channels {
  background: var(--gray-50);
  padding: 80px 24px;
}

.channels-inner {
  max-width: 1120px;
  margin: 0 auto;
  text-align: center;
}

.channels-inner h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.channels-inner > p {
  color: var(--gray-500);
  font-size: 1.05rem;
  margin-bottom: 48px;
}

.channels-grid {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.channel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 28px 36px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  min-width: 160px;
  transition: box-shadow 0.3s, transform 0.3s;
}

.channel:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.channel-icon {
  font-size: 2rem;
}

.channel span {
  font-weight: 600;
  color: var(--gray-700);
}

/* ── Legal / Content Pages ───────────────────────── */
.page-content {
  max-width: 780px;
  margin: 0 auto;
  padding: 60px 24px 100px;
}

.page-content h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.page-content .subtitle {
  color: var(--gray-400);
  font-size: 0.95rem;
  margin-bottom: 48px;
}

.page-content h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-top: 40px;
  margin-bottom: 12px;
}

.page-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-top: 28px;
  margin-bottom: 8px;
}

.page-content p,
.page-content li {
  color: var(--gray-600);
  font-size: 0.98rem;
  line-height: 1.8;
  margin-bottom: 12px;
}

.page-content ul,
.page-content ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.page-content ul li {
  list-style: disc;
}

.page-content .info-box {
  background: var(--blue-50);
  border-left: 4px solid var(--blue-500);
  border-radius: 0 12px 12px 0;
  padding: 20px 24px;
  margin: 24px 0;
}

.page-content .info-box p {
  color: var(--blue-900);
  margin-bottom: 0;
}

.page-content .warning-box {
  background: #fef3c7;
  border-left: 4px solid #f59e0b;
  border-radius: 0 12px 12px 0;
  padding: 20px 24px;
  margin: 24px 0;
}

.page-content .warning-box p {
  color: #92400e;
  margin-bottom: 0;
}

/* ── Footer ──────────────────────────────────────── */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 48px 24px;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: start;
  flex-wrap: wrap;
  gap: 32px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 8px;
}

.footer-brand img {
  height: 28px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer-tagline {
  font-size: 0.88rem;
  color: var(--gray-500);
}

.footer-links {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  margin-bottom: 12px;
}

.footer-col ul {
  list-style: none;
}

.footer-col a {
  font-size: 0.9rem;
  color: var(--gray-500);
  display: block;
  padding: 3px 0;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  max-width: 1120px;
  margin: 32px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  font-size: 0.85rem;
  color: var(--gray-500);
}

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .navbar-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 16px 24px;
    gap: 12px;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
  }

  .navbar-links.open {
    display: flex;
  }

  .hero {
    padding: 64px 24px 56px;
  }

  .hero-logo {
    width: 200px;
    height: 200px;
  }

  .footer-inner {
    flex-direction: column;
  }

  .footer-links {
    gap: 32px;
  }

  .lang-switcher {
    align-self: flex-start;
  }

  .lang-menu {
    left: 0;
    right: auto;
  }
}