/* ===== Variables ===== */
:root {
  --primary: #1a1a2e;
  --accent: #e94560;
  --accent-hover: #d63851;
  --text: #1a1a1a;
  --text-light: #666;
  --bg: #fff;
  --bg-alt: #f8f9fa;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-w: 1100px;
  --radius: 10px;
  --transition: 0.25s ease;
}

/* ===== Reset ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.65; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
ul { list-style: none; }

/* ===== Layout ===== */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 5rem 0; }
.section--alt { background: var(--bg-alt); }
.section__title { font-size: 2rem; text-align: center; margin-bottom: 0.5rem; color: var(--primary); }
.section__subtitle { text-align: center; color: var(--text-light); margin-bottom: 3rem; }

/* ===== Grid ===== */
.grid { display: grid; gap: 2rem; }
.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
@media (min-width: 768px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
}

/* ===== Button ===== */
.btn {
  display: inline-block;
  padding: 0.9rem 2.2rem;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: background var(--transition), transform var(--transition);
  border: none;
  cursor: pointer;
}
.btn:hover { background: var(--accent-hover); transform: translateY(-2px); }

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 3.5rem; }
.nav__logo { font-size: 1.4rem; font-weight: 800; color: var(--primary); letter-spacing: -0.02em; }
.nav__menu { display: none; position: absolute; top: 3.5rem; left: 0; width: 100%; background: var(--bg); box-shadow: 0 4px 12px rgba(0,0,0,0.08); padding: 1rem 0; }
.nav__menu.active { display: block; }
.nav__menu li { text-align: center; }
.nav__link { display: block; padding: 0.65rem 1rem; color: var(--text); font-weight: 500; transition: color var(--transition); }
.nav__link:hover { color: var(--accent); }
.nav__toggle { display: flex; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 0.25rem; }
.nav__toggle span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; }

@media (min-width: 768px) {
  .nav__toggle { display: none; }
  .nav__menu { display: flex; position: static; width: auto; background: transparent; box-shadow: none; padding: 0; gap: 0.25rem; }
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary) 0%, #16213e 100%);
  color: #fff;
  text-align: center;
  padding-top: 3.5rem;
}
.hero__title { font-size: 2.5rem; font-weight: 800; margin-bottom: 1.25rem; letter-spacing: -0.02em; line-height: 1.15; }
.hero__text { font-size: 1.15rem; opacity: 0.85; max-width: 560px; margin: 0 auto 2.5rem; line-height: 1.7; }

@media (min-width: 768px) {
  .hero__title { font-size: 3.5rem; }
  .hero__text { font-size: 1.25rem; }
}

/* ===== Cards ===== */
.card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: transform var(--transition);
}
.card:hover { transform: translateY(-4px); }
.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}
.card h3 { margin-bottom: 0.75rem; color: var(--primary); }
.card p { color: var(--text-light); font-size: 0.95rem; }

/* ===== Process Steps ===== */
.steps { display: flex; flex-direction: column; align-items: center; gap: 1.5rem; }
.step { text-align: center; max-width: 280px; }
.step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  font-weight: 700;
  margin-bottom: 1rem;
}
.step h3 { margin-bottom: 0.5rem; }
.step p { color: var(--text-light); font-size: 0.95rem; }
.step__arrow { font-size: 1.5rem; color: var(--text-light); transform: rotate(90deg); }

@media (min-width: 768px) {
  .steps { flex-direction: row; justify-content: center; }
  .step__arrow { transform: none; }
}

/* ===== Contact ===== */
.contact__cta { text-align: center; margin-top: 2rem; }
.contact__note { margin-top: 1rem; color: var(--text-light); font-size: 0.9rem; }

/* ===== Footer ===== */
.footer { background: var(--primary); color: rgba(255,255,255,0.7); padding: 3rem 0 1.5rem; text-align: center; }
.footer__content { margin-bottom: 1.5rem; }
.footer__logo { font-size: 1.3rem; font-weight: 800; color: #fff; margin-bottom: 0.5rem; }
.footer__content a { color: rgba(255,255,255,0.7); }
.footer__content a:hover { color: #fff; }
.footer__copy { font-size: 0.8rem; opacity: 0.5; }