/* ==========================================================================
   Frogital — Design System
   ========================================================================== */

@font-face {
  font-family: 'League Spartan';
  src: url('../fonts/LeagueSpartan-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'League Spartan';
  src: url('../fonts/LeagueSpartan-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'League Spartan';
  src: url('../fonts/LeagueSpartan-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'League Spartan';
  src: url('../fonts/LeagueSpartan-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'League Spartan';
  src: url('../fonts/LeagueSpartan-ExtraBold.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Brand colors */
  --color-navy: #001E3C;
  --color-navy-700: #0A3258;
  --color-navy-600: #144873;

  --color-accent: #06B6D4;
  --color-accent-dark: #0891B2;
  --color-accent-light: #E0F7FA;

  /* Neutrals */
  --color-text: #16232F;
  --color-text-muted: #566779;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F5F8FA;
  --color-border: #E2E8EE;
  --color-white: #FFFFFF;

  /* Typography */
  --font-body: 'League Spartan', -apple-system, 'Segoe UI', sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;

  /* Layout */
  --container-width: 1140px;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 3px rgba(0, 30, 60, 0.08);
  --shadow-md: 0 8px 24px rgba(0, 30, 60, 0.10);
  --transition: 180ms ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--font-body);
  color: var(--color-navy);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.2rem, 4vw + 1rem, 3.4rem); font-weight: 800; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.6rem, 2vw + 1rem, 2.3rem); }
h3 { font-size: 1.25rem; font-weight: 600; }

p { margin: 0 0 1em; color: var(--color-text); }
.lead { font-size: 1.2rem; color: var(--color-text-muted); }

.mono {
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-accent-dark);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  margin-bottom: 0.9em;
}
.eyebrow::before {
  content: '';
  width: 1.4em;
  height: 2px;
  background: var(--color-accent);
  display: inline-block;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 88px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-navy { background: var(--color-navy); color: var(--color-white); }
.section-navy h1, .section-navy h2, .section-navy h3 { color: var(--color-white); }
.section-navy p { color: rgba(255,255,255,0.78); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
  text-decoration: none !important;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--color-accent);
  color: var(--color-navy);
}
.btn-primary:hover { background: var(--color-accent-dark); color: var(--color-white); }

.btn-outline {
  background: transparent;
  border-color: var(--color-navy);
  color: var(--color-navy);
}
.btn-outline:hover { background: var(--color-navy); color: var(--color-white); }

.btn-outline-light {
  background: transparent;
  border-color: rgba(255,255,255,0.4);
  color: var(--color-white);
}
.btn-outline-light:hover { background: var(--color-white); color: var(--color-navy); border-color: var(--color-white); }

/* ---- Header / Nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand img { height: 28px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--color-text);
  font-weight: 500;
  text-decoration: none;
  font-size: 0.98rem;
}
.nav-links a:hover, .nav-links a.active { color: var(--color-accent-dark); }

.nav-right { display: flex; align-items: center; gap: 22px; }

.lang-switch {
  display: flex;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.lang-switch a, .lang-switch span {
  padding: 3px 6px;
  border-radius: 4px;
  color: var(--color-text-muted);
  text-decoration: none;
}
.lang-switch a:hover { color: var(--color-navy); text-decoration: none; }
.lang-switch span { cursor: default; }
.lang-switch a.active {
  background: var(--color-navy);
  color: var(--color-white);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 120px 0 100px;
  background: var(--color-bg);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-actions { display: flex; gap: 16px; margin-top: 32px; flex-wrap: wrap; }

.hero-visual { position: relative; height: 380px; }

/* ---- Cards ---- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.card-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-weight: 700;
}

/* ---- Section header ---- */
.section-head { max-width: 640px; margin-bottom: 8px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---- Footer ---- */
.site-footer {
  background: var(--color-navy);
  color: rgba(255,255,255,0.75);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.site-footer h4 {
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 10px; }
.site-footer a { color: rgba(255,255,255,0.75); }
.site-footer a:hover { color: var(--color-accent); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  font-size: 0.88rem;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom .brand img { filter: brightness(0) invert(1); opacity: 0.9; height: 22px; }

/* ---- Legal pages ---- */
.legal-content { max-width: 760px; }
.legal-content h2 { margin-top: 2em; font-size: 1.3rem; }
.legal-content dl { font-family: var(--font-mono); font-size: 0.92rem; background: var(--color-bg-alt); padding: 24px; border-radius: var(--radius); }
.legal-content dt { color: var(--color-text-muted); margin-top: 10px; }
.legal-content dd { margin: 0; font-weight: 600; color: var(--color-navy); }

/* ---- Contact ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.field { margin-bottom: 20px; }
.field label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; color: var(--color-navy); }
.field input, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-white);
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}
.contact-info-item { display: flex; gap: 14px; margin-bottom: 24px; }
.contact-info-item .k { width: 34px; height: 34px; border-radius: 8px; background: var(--color-accent-light); color: var(--color-accent-dark); display:flex; align-items:center; justify-content:center; font-family: var(--font-mono); font-size: 0.9rem; flex-shrink: 0; }

/* ---- Responsive ---- */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { height: 220px; order: -1; }
  .card-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
}