* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #e63946;
  --primary-dark: #c1121f;
  --dark: #1d1d1d;
  --darker: #111;
  --gray: #2a2a2a;
  --light-gray: #b0b0b0;
  --white: #f1f1f1;
  --bg: #0d0d0d;
  --bg-alt: #141414;
  --radius: 12px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--white);
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

/* NAV */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  position: absolute;
  width: 100%;
  top: 0;
  z-index: 10;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--primary);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.nav-links a:hover {
  opacity: 1;
  color: var(--primary);
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem 5%;
  background: linear-gradient(
    135deg,
    var(--bg) 0%,
    #1a0a0a 50%,
    var(--bg) 100%
  );
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 80%, rgba(230, 57, 70, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -1.5px;
}

.hero p {
  font-size: 1.2rem;
  color: var(--light-gray);
  margin-bottom: 2.5rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 0.9rem 2.5rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: background 0.2s, transform 0.2s;
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

/* SECTIONS */
.section {
  padding: 6rem 5%;
  max-width: 1200px;
  margin: 0 auto;
}

.section-alt {
  max-width: 100%;
  background: var(--bg-alt);
}

.section-alt > * {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 3.5rem;
  letter-spacing: -0.5px;
}

/* CARDS */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--gray);
  border-radius: var(--radius);
  padding: 2rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(230, 57, 70, 0.1);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.card p {
  color: var(--light-gray);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* STATS */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.stat-label {
  color: var(--light-gray);
  font-size: 0.95rem;
}

.stats-note {
  text-align: center;
  color: var(--light-gray);
  font-size: 0.85rem;
  opacity: 0.7;
}

/* TIPS */
.tips {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.tip {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  background: var(--gray);
  border-radius: var(--radius);
  padding: 2rem;
}

.tip-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  flex-shrink: 0;
}

.tip-content h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.tip-content p {
  color: var(--light-gray);
  font-size: 0.95rem;
}

/* FAQ */
.faq-list {
  max-width: 750px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--gray);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-item summary {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.2s;
}

.faq-item summary:hover {
  color: var(--primary);
}

.faq-item summary::after {
  content: "+";
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--primary);
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  padding: 0 1.5rem 1.25rem;
  color: var(--light-gray);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* FOOTER */
.footer {
  text-align: center;
  padding: 3rem 5%;
  border-top: 1px solid var(--gray);
  color: var(--light-gray);
  font-size: 0.9rem;
}

.footer-note {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  opacity: 0.6;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .section {
    padding: 4rem 5%;
  }

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

  .stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .tip {
    flex-direction: column;
    gap: 0.75rem;
  }
}