/* ===========================
   CSS Variables
   =========================== */
:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-accent: #2563eb;
  --color-muted: #6b7280;
  --color-border: #e5e7eb;
  --font-sans: system-ui, sans-serif;
  --max-width: 900px;
}

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

/* ===========================
   Base
   =========================== */
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

/* ===========================
   Header / Nav
   =========================== */
header {
  background: #f3f4f6;
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 2rem;
}

nav {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.menu-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
}

nav ul {
  display: none;
  list-style: none;
  flex-direction: column;
  position: absolute;
  top: 100%;
  right: 0;
  background: rgba(223, 230, 233, 1);
  border: 1px solid var(--color-border);
  padding: 1rem;
  gap: 1rem;
  min-width: 150px;
}

nav.open ul {
  display: flex;
}

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

nav a:hover {
  color: var(--color-accent);
}
/* ===========================
   Main Content
   =========================== */
main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 2rem;
}

/* ===========================
   Hero
   =========================== */
.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  color: var(--color-muted);
  font-size: 1.125rem;
}

/* ===========================
   Footer
   =========================== */
footer {
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 2rem;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.875rem;
}
.guide {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.guide-card {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
}

.guide-icon {
  font-size: 1.5rem;
  color: var(--color-accent);
  padding-top: 2px;
}

.guide-content h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.guide-content p {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.guide-content pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 0.75rem 1rem;
  border-radius: 4px;
  font-size: 0.8rem;
  overflow-x: auto;
}
/* ===========================
   Hero Centered
   =========================== */
.hero-centered {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: start;
  text-align: center;
  min-height: calc(100vh - 120px);
  padding: 2rem;
  margin-top: 100px;
  gap: 1.5rem;
}

.hero-centered h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  max-width: 600px;
}

.hero-centered p {
  color: var(--color-muted);
  font-size: 1.2rem;
  max-width: 480px;
  line-height: 1.6;
}

.btn-schedule {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  padding: 14px 36px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: background 0.2s;
  margin-top: 0.5rem;
}

.btn-schedule:hover {
  background: #1d4ed8;
}
.contact-alt {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-top: 0.5rem;
}
.contact-alt a {
  color: var(--color-accent);
  text-decoration: none;
}
.contact-alt a:hover {
  text-decoration: underline;
}