@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800&display=swap');

:root {
  --c-graphite: #111827;
  --c-navy: #16233A;
  --c-light: #F6F8FB;
  --c-teal: #00C2A8;
  --c-orange: #FF7A1A;
  --c-white: #ffffff;
  --c-text: #E5E7EB;
  --radius: 24px;
  --shadow: 0 24px 48px rgba(0,0,0,0.35);
  --shadow-sm: 0 8px 24px rgba(0,0,0,0.18);
  --transition: 0.35s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--c-text);
  background: var(--c-graphite);
  line-height: 1.65;
}
a { color: var(--c-teal); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--c-orange); }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; border: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(17,24,39,0.85); backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0,194,168,0.12);
}
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.header__brand { display: flex; align-items: center; gap: 12px; }
.header__logo { height: 40px; border-radius: 8px; }
.header__name { font-weight: 800; color: var(--c-white); font-size: 1.25rem; }
.header__nav { display: flex; align-items: center; gap: 32px; }
.header__list { display: flex; gap: 24px; }
.header__link { color: var(--c-text); font-weight: 600; font-size: 0.95rem; position: relative; }
.header__link::after { content:''; position: absolute; left:0; bottom:-4px; width:0; height:2px; background: var(--c-teal); transition: width var(--transition); }
.header__link:hover::after, .header__link--active::after { width: 100%; }
.header__contact { font-size: 0.9rem; color: var(--c-text); margin-top: 6px; }
.header__burger { display: none; background: none; padding: 8px; color: var(--c-white); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 16px 32px; border-radius: 999px; font-weight: 700;
  font-size: 1rem; transition: transform var(--transition), box-shadow var(--transition);
}
.btn:hover { transform: translateY(-3px) scale(1.02); }
.btn--primary {
  background: linear-gradient(135deg, var(--c-teal), #00A896);
  color: var(--c-graphite); box-shadow: 0 8px 24px rgba(0,194,168,0.25);
}
.btn--primary:hover { box-shadow: 0 12px 36px rgba(0,194,168,0.4); color: var(--c-graphite); }
.btn--secondary {
  background: transparent; color: var(--c-teal); border: 2px solid var(--c-teal);
}
.btn--secondary:hover { background: var(--c-teal); color: var(--c-graphite); }

/* Sections */
.section { padding: 100px 0; position: relative; overflow: hidden; }
.section--navy { background: var(--c-navy); color: var(--c-light); }
.section--light { background: var(--c-light); color: var(--c-navy); }
.section--diagonal { clip-path: polygon(0 5%, 100% 0, 100% 95%, 0 100%); padding: 120px 0; }
.section__header { max-width: 760px; margin: 0 auto 56px; text-align: center; }
.section__title { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800; margin-bottom: 16px; }
.section__title span { color: var(--c-teal); }
.section--light .section__title span { color: #008F7A; }
.section__intro { font-size: 1.1rem; opacity: 0.85; }

/* Hero */
.hero {
  min-height: 88vh; display: flex; align-items: center; position: relative;
  padding: 120px 0 80px; overflow: hidden;
  background: radial-gradient(circle at 75% 25%, rgba(0,194,168,0.12), transparent 40%), var(--c-graphite);
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.hero__circle {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,194,168,0.18), transparent 65%);
  width: 600px; height: 600px; right: -180px; top: 10%;
}
.hero__ring {
  position: absolute; width: 320px; height: 320px; left: -80px; bottom: 10%;
  border: 2px dashed rgba(255,122,26,0.25); border-radius: 50%;
  animation: spin 60s linear infinite;
}
.hero__inner { position: relative; z-index: 2; }
.hero__label { display: inline-block; padding: 6px 16px; border-radius: 999px; background: rgba(0,194,168,0.12); border: 1px solid rgba(0,194,168,0.25); color: var(--c-teal); font-weight: 700; font-size: 0.85rem; margin-bottom: 20px; }
.hero__title { font-size: clamp(2.25rem, 6vw, 4rem); font-weight: 800; line-height: 1.1; margin-bottom: 24px; }
.hero__title span { color: var(--c-teal); }
.hero__subtitle { font-size: 1.2rem; max-width: 640px; margin-bottom: 32px; opacity: 0.9; }
.hero__cta { display: flex; gap: 16px; flex-wrap: wrap; }

@keyframes spin { to { transform: rotate(360deg); } }

/* Grids & cards */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.card {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius); padding: 32px;
  box-shadow: var(--shadow-sm); backdrop-filter: blur(12px);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-8px) scale(1.015); box-shadow: var(--shadow); }
.section--light .card { background: rgba(22,35,58,0.05); border-color: rgba(22,35,58,0.1); color: var(--c-navy); }
.card__image { width: 100%; height: 180px; object-fit: cover; border-radius: 16px; margin-bottom: 20px; background: rgba(255,255,255,0.08); }
.section--light .card__image { background: rgba(22,35,58,0.08); }
.card__badge { position: absolute; top: 20px; right: 20px; padding: 4px 12px; border-radius: 999px; background: rgba(0,194,168,0.12); color: var(--c-teal); font-weight: 700; font-size: 0.8rem; }
.card__title { font-size: 1.25rem; font-weight: 700; margin-bottom: 10px; }
.card__text { font-size: 0.95rem; opacity: 0.85; margin-bottom: 16px; }
.card__price { color: var(--c-orange); font-weight: 800; font-size: 1.3rem; }
.card__line { height: 3px; width: 40px; background: var(--c-teal); margin-top: 16px; border-radius: 3px; transition: width var(--transition), background var(--transition); }
.card:hover .card__line { width: 80px; background: var(--c-orange); }

/* Stats */
.stat { text-align: center; padding: 28px; border-radius: var(--radius); background: rgba(17,24,39,0.5); border: 1px solid rgba(255,255,255,0.08); }
.section--light .stat { background: rgba(255,255,255,0.7); border-color: rgba(22,35,58,0.1); }
.stat__number { font-size: 3rem; font-weight: 800; color: var(--c-orange); line-height: 1; }
.stat__label { margin-top: 8px; font-weight: 600; opacity: 0.85; }

/* Lists */
.list-check { margin-top: 20px; }
.list-check__item { position: relative; padding-left: 30px; margin-bottom: 14px; }
.list-check__item::before {
  content: ''; position: absolute; left: 0; top: 5px; width: 18px; height: 18px;
  background: var(--c-teal); mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") no-repeat center; mask-size: contain;
}

/* Form */
.form { max-width: 720px; margin: 0 auto; display: grid; gap: 20px; }
.form__group { display: flex; flex-direction: column; }
.form__label { font-weight: 700; margin-bottom: 6px; }
.form__input, .form__textarea, .form__select {
  padding: 14px 18px; border-radius: 12px; border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.05); color: inherit; font: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form__input:focus, .form__textarea:focus, .form__select:focus { outline: none; border-color: var(--c-teal); box-shadow: 0 0 0 3px rgba(0,194,168,0.15); }
.form__textarea { resize: vertical; min-height: 120px; }
.form__error { color: var(--c-orange); font-size: 0.85rem; margin-top: 6px; display: none; }
.form__success { color: var(--c-teal); font-weight: 700; display: none; text-align: center; }
.form__error.is-visible, .form__success.is-visible { display: block; }

/* Footer */
.footer { background: #0B1220; padding: 72px 0 24px; position: relative; }
.footer__inner { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 40px; }
.footer__brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer__title { color: var(--c-teal); font-weight: 700; margin-bottom: 16px; }
.footer__list li { margin-bottom: 10px; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 48px; padding-top: 24px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; font-size: 0.85rem; opacity: 0.7; }

/* Decorations */
.decor-circle { position: absolute; border-radius: 50%; pointer-events: none; }
.decor-circle--teal { background: radial-gradient(circle, rgba(0,194,168,0.18), transparent 65%); width: 500px; height: 500px; right: -120px; top: 15%; }
.decor-circle--orange { background: radial-gradient(circle, rgba(255,122,26,0.14), transparent 60%); width: 420px; height: 420px; left: -140px; bottom: 10%; }
.decor-dots { position: absolute; inset: 0; opacity: 0.08; background-image: radial-gradient(circle, var(--c-teal) 1px, transparent 1px); background-size: 24px 24px; pointer-events: none; }
.decor-wave { position: absolute; width: 100%; height: 80px; bottom: -1px; left: 0; }
.decor-ring { position: absolute; width: 260px; height: 260px; border: 2px dashed rgba(0,194,168,0.2); border-radius: 50%; pointer-events: none; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Mobile */
@media (max-width: 840px) {
  .header__burger { display: block; }
  .header__nav {
    display: none; position: fixed; top: 72px; left: 0; right: 0; bottom: 0;
    background: rgba(17,24,39,0.96); flex-direction: column; padding: 32px 20px 300px; gap: 24px;
    overflow-y: auto;
  }
  .header__nav--open { display: flex; }
  .header__list { flex-direction: column; gap: 18px; }
  .hero { padding-top: 100px; }
  .section { padding: 72px 0; }
  .hero__cta { flex-direction: column; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}