:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --primary: #1d4ed8;
  --primary-dark: #1e40af;
  --text: #0f172a;
  --muted: #475569;
  --accent: #f97316;
  --border: #e2e8f0;
  --nav-bg: #0f5132;
  --nav-text: #ffffff;
  --hero-bg: linear-gradient(180deg, rgba(29, 78, 216, 0.1), rgba(249, 115, 22, 0.08));
}

body.dark {
  --bg: #0b1221;
  --surface: #111827;
  --primary: #38bdf8;
  --primary-dark: #7dd3fc;
  --text: #f8fafc;
  --muted: #cbd5e1;
  --accent: #fbbf24;
  --border: #334155;
  --nav-bg: #064e3b;
  --nav-text: #f8fafc;
  --hero-bg: linear-gradient(180deg, rgba(8, 22, 45, 0.6), rgba(16, 56, 80, 0.35));
}

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

html {
  scroll-behavior: smooth;
}

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

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

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

header {
  padding: 24px 0;
}

.brand {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--nav-text);
}

.brand a {
  color: var(--nav-text);
  text-decoration: none;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  background: var(--nav-bg);
  border: 1px solid var(--nav-bg);
  border-radius: 20px;
  padding: 18px 24px;
}

.nav-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 0;
}

.nav-links a {
  color: var(--nav-text);
  text-decoration: none;
  font-weight: 500;
}

.hero {
  display: grid;
  gap: 32px;
  align-items: center;
  padding: 48px 0 56px;
  grid-template-columns: 1.2fr 1fr;
}

.hero.login-hero {
  display: block;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 24px;
  background: var(--surface);
  border-radius: 24px;
  box-shadow: 0 25px 50px rgba(15, 23, 42, 0.08);
}

.hero h1 {
  font-size: clamp(2.7rem, 4vw, 4.5rem);
  line-height: 1.05;
  color: var(--text);
}

.login-hero h1 {
  font-size: clamp(2rem, 3vw, 2.8rem);
  margin-bottom: 12px;
}

.hero p {
  margin: 24px 0;
  max-width: 620px;
  color: var(--muted);
  font-size: 1.05rem;
}

.login-hero p {
  margin: 0 0 24px 0;
}

.options {
  display: grid;
  gap: 20px;
  margin-top: 30px;
}

@media (min-width: 720px) {
  .options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.btn-primary,
.btn-secondary,
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-outline {
  background: transparent;
  color: var(--nav-bg);
  border: 1px solid var(--nav-bg);
}

.hero-visual {
  background: var(--hero-bg);
  border-radius: 28px;
  padding: 30px;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card {
  width: 100%;
  max-width: 450px;
  padding: 28px;
  border-radius: 30px;
  background: var(--surface);
  box-shadow: 0 30px 70px rgba(15, 23, 42, 0.12);
}

.hero-card strong {
  color: var(--primary);
  font-size: 0.95rem;
}

.hero-card h2 {
  margin-top: 16px;
  font-size: 1.65rem;
  color: var(--text);
}

.hero-card p {
  margin: 18px 0 0;
  color: var(--muted);
}

.section {
  padding: 40px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 40px;
}

.section-title span {
  display: block;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 10px;
}

.section-title h2 {
  font-size: 2.25rem;
  color: var(--text);
}

.grid {
  display: grid;
  gap: 24px;
}

.services-grid,
.cards-grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.service-card,
.feature-card,
.testimonial-card,
.info-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px;
  min-height: 220px;
}

.service-card h3,
.feature-card h3,
.testimonial-card h3,
.info-card h3 {
  margin-bottom: 16px;
  font-size: 1.15rem;
}

.service-card p,
.feature-card p,
.testimonial-card p,
.info-card p {
  color: var(--muted);
  font-size: 1rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: start;
}

.contact-card {
  display: grid;
  gap: 18px;
}

.contact-card strong {
  font-size: 1.05rem;
  color: var(--text);
}

.contact-card a {
  color: var(--primary);
  text-decoration: none;
}

.contact-form {
  display: grid;
  gap: 18px;
}

.contact-form input,
.contact-form textarea,
.card input {
  width: 100%;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--muted);
}

.contact-form textarea {
  min-height: 170px;
  resize: vertical;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px;
}

.card h2 {
  margin-bottom: 16px;
  font-size: 1.35rem;
}

.card p {
  color: var(--muted);
  margin-bottom: 20px;
}

.card label {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--text);
  font-weight: 500;
}

.card input {
  background: #fafafa;
}

.card input:focus {
  outline: none;
  border-color: var(--nav-bg);
  box-shadow: 0 0 0 3px rgba(15, 81, 50, 0.12);
}

.card button {
  width: 100%;
  margin-top: 8px;
}

.card .btn-primary,
.card .btn-outline {
  width: 100%;
}

.footer {
  padding: 28px 0 40px;
  text-align: center;
  color: var(--nav-text);
  background: var(--nav-bg);
  font-size: 0.95rem;
  border-top: none;
  border-radius: 0 0 20px 20px;
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
  }

  nav {
    justify-content: center;
  }

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

@media (max-width: 640px) {
  .page {
    padding: 0 16px;
  }

  header {
    padding: 20px 0;
  }

  .nav-links {
    justify-content: center;
  }

  .hero {
    padding: 32px 0 40px;
  }

  .hero h1 {
    font-size: 2.4rem;
  }

  .hero-card {
    padding: 24px;
  }

  .section {
    padding: 28px 0;
  }

  .section-title h2 {
    font-size: 1.85rem;
  }

  .service-card,
  .feature-card,
  .info-card,
  .contact-card,
  .contact-form,
  .card {
    padding: 22px;
  }

  .contact-form input,
  .contact-form textarea,
  .card input {
    padding: 14px;
  }

  .login-hero {
    padding: 28px 16px;
  }

  .login-hero h1 {
    font-size: 1.8rem;
  }
}