/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --primary-light: #ede9fe;
  --text: #1e1b4b;
  --text-muted: #6b7280;
  --bg: #fafafa;
  --bg-alt: #f3f4f6;
  --border: #e5e7eb;
  --card-bg: #ffffff;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-hover: 0 6px 24px rgba(79,70,229,0.15);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

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

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: 2px solid transparent;
  text-decoration: none;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-hover); }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover { background: var(--primary-light); }
.btn-lg { padding: 16px 36px; font-size: 17px; }

/* ===== HEADER ===== */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250,250,250,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}
.logo span { color: var(--text); }

nav { display: flex; align-items: center; gap: 8px; }
nav a {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: all 0.2s;
}
nav a:hover { color: var(--primary); background: var(--primary-light); }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: none;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  background: var(--bg);
  gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 15px;
  color: var(--text-muted);
  transition: all 0.2s;
}
.mobile-menu a:hover { color: var(--primary); background: var(--primary-light); }
.mobile-menu .mobile-section-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 12px 14px 4px;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 80px 0 100px;
  background: linear-gradient(135deg, #f0edff 0%, #fef3e2 100%);
  overflow: hidden;
  text-align: center;
}
.hero::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(79,70,229,0.12) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(245,158,11,0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-inner { position: relative; z-index: 1; max-width: 800px; margin: 0 auto; }
.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(79,70,229,0.1);
  border: 1px solid rgba(79,70,229,0.2);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 900;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: -1px;
}
.hero h1 span { color: var(--primary); }
.hero p {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 36px;
}
.hero-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-scroll {
  margin-top: 48px;
  display: flex;
  justify-content: center;
  animation: bounce 2s infinite;
  color: var(--text-muted);
  font-size: 28px;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ===== SECTIONS ===== */
section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 {
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}
.section-header p {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}

/* ===== CARDS GRID ===== */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all 0.25s;
  display: flex;
  flex-direction: column;
}
.card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); border-color: rgba(79,70,229,0.2); }
.card-icon {
  width: 52px; height: 52px;
  background: var(--primary-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 24px;
  color: var(--primary);
}
.card h3 { font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--text-muted); line-height: 1.6; flex-grow: 1; }
.card-link {
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
}
.card-link:hover { gap: 8px; }
.card-emoji { font-size: 40px; margin-bottom: 16px; }

/* ===== BENEFITS SVG ICONS ===== */
.card-icon svg { width: 24px; height: 24px; stroke: var(--primary); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; color: var(--primary); }

/* ===== FORM SECTION ===== */
.form-section { background: var(--bg-alt); }
.form-wrapper { max-width: 680px; margin: 0 auto; }
.form-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  box-shadow: var(--shadow);
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  color: var(--text);
  background: var(--bg);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  font-family: inherit;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.12);
}
.form-group input.error,
.form-group textarea.error { border-color: #ef4444; }
.form-error { font-size: 12px; color: #ef4444; margin-top: 4px; display: none; }
.form-error.show { display: block; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group textarea { resize: vertical; min-height: 90px; }
.form-submit { width: 100%; padding: 16px; font-size: 17px; margin-top: 8px; }
.form-success {
  display: none;
  text-align: center;
  padding: 32px;
  color: #16a34a;
}
.form-success.show { display: block; }
.form-success .success-icon { font-size: 48px; margin-bottom: 12px; }
.form-success h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.form-success p { color: var(--text-muted); }

.how-it-works {
  margin-top: 32px;
  padding: 24px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.how-it-works h3 { font-size: 15px; font-weight: 700; margin-bottom: 16px; }
.how-it-works ol { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.how-it-works li { display: flex; gap: 12px; font-size: 14px; color: var(--text-muted); }
.how-it-works li span:first-child { font-weight: 700; color: var(--primary); min-width: 20px; }

/* ===== FOOTER ===== */
footer {
  background: var(--text);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 32px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand .logo { color: #fff; margin-bottom: 12px; }
.footer-brand p { font-size: 14px; line-height: 1.7; }
footer h4 { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.06em; }
footer ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
footer ul li a { font-size: 14px; color: rgba(255,255,255,0.6); transition: color 0.2s; }
footer ul li a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}
.footer-bottom a { color: rgba(255,255,255,0.5); transition: color 0.2s; }
.footer-bottom a:hover { color: #fff; }

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 24px; right: 24px;
  padding: 14px 20px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s;
  max-width: 360px;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.success { background: #16a34a; }
.toast.error { background: #dc2626; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  nav { display: none; }
  .burger { display: flex; }
  .hero { padding: 60px 0 80px; }
  .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  section { padding: 60px 0; }
}

@media (max-width: 480px) {
  .hero-btns { flex-direction: column; align-items: center; }
  .btn-lg { width: 100%; max-width: 320px; }
}