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

:root {
  --accent: #f97316;
  --accent-dark: #ea580c;
  --text: #1c1917;
  --text-muted: #78716c;
  --bg: #ffffff;
  --bg-soft: #fafaf9;
  --border: #e7e5e4;
  --radius: 14px;
}

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

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* NAV */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 60px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  z-index: 100;
}
.nav-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
}
.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  font-size: 0.9rem;
}
.nav-links a {
  color: var(--text-muted);
}
.nav-links a:hover {
  color: var(--text);
  text-decoration: none;
}
.lang-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.25rem 0.75rem;
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: border-color 0.2s, color 0.2s;
}
.lang-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* HERO */
.hero {
  text-align: center;
  padding: 5rem 1.5rem 4rem;
  background: linear-gradient(160deg, #fff7ed 0%, #ffffff 60%);
}
.hero-icon {
  font-size: 5rem;
  margin-bottom: 1.25rem;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}
.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto 2rem;
}
.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  background: var(--accent);
  color: #fff;
  transition: background 0.2s;
}
.btn:hover {
  background: var(--accent-dark);
  text-decoration: none;
}
.btn-outline {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
  margin-left: 0.75rem;
}
.btn-outline:hover {
  background: #fff7ed;
}

/* NAV RESPONSIVE */
.nav-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  color: var(--text);
  font-size: 1.5rem;
  line-height: 1;
}

@media (max-width: 640px) {
  .nav-menu-toggle {
    display: block;
  }
  .nav-links {
    display: none;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 0;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links li {
    padding: 0.65rem 2rem;
  }
}

/* FEATURES */
.features {
  padding: 4rem 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}
.features h2 {
  text-align: center;
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 2.5rem;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.feature-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.feature-card .icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}
.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* CONTENT PAGES */
.page-content {
  max-width: 700px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}
.page-content h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}
.page-content .updated {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
}
.page-content h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 2rem 0 0.5rem;
}
.page-content p {
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.page-content ul {
  color: var(--text-muted);
  padding-left: 1.4rem;
  margin-bottom: 0.75rem;
}
.page-content ul li {
  margin-bottom: 0.35rem;
}

/* CONTACT FORM */
.contact-form {
  margin-top: 2rem;
}
.contact-form label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  margin-top: 1.25rem;
}
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--bg-soft);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
}
.contact-form textarea {
  resize: vertical;
  min-height: 130px;
}
.contact-form .submit-btn {
  margin-top: 1.5rem;
  width: 100%;
  padding: 0.85rem;
  border: none;
  border-radius: 50px;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.contact-form .submit-btn:hover {
  background: var(--accent-dark);
}

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}
footer a {
  color: var(--text-muted);
  margin: 0 0.5rem;
}
footer a:hover {
  color: var(--text);
}