/* ─── CSS Custom Properties ───────────────────────────────────────────────────── */
:root {
  --primary:       #6366f1;
  --primary-dark:  #4f46e5;
  --primary-light: #eef2ff;
  --secondary:     #8b5cf6;
  --accent:        #06b6d4;
  --success:       #10b981;
  --warning:       #f59e0b;
  --danger:        #ef4444;
  --dark:          #0f172a;
  --gray-900: #0f172a;
  --gray-800: #1e293b;
  --gray-700: #334155;
  --gray-600: #475569;
  --gray-500: #64748b;
  --gray-400: #94a3b8;
  --gray-300: #cbd5e1;
  --gray-200: #e2e8f0;
  --gray-100: #f1f5f9;
  --gray-50:  #f8fafc;
  --white:    #ffffff;
  --radius:    8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow:    0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
  --transition: 0.2s ease;
}

/* ─── Reset ──────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }

/* ─── Typography ─────────────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--gray-900); margin-bottom: 0.5rem; }
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

/* ─── Container ──────────────────────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* ─── Buttons ────────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  padding: 0.625rem 1.25rem;
  font-size: 0.9rem; font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
  font-family: inherit;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: var(--white); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: var(--white); }
.btn-secondary { background: var(--secondary); color: var(--white); border-color: var(--secondary); }
.btn-secondary:hover { background: #7c3aed; border-color: #7c3aed; color: var(--white); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary-light); color: var(--primary); }
.btn-outline-white { background: transparent; color: var(--white); border-color: var(--white); }
.btn-outline-white:hover { background: rgba(255,255,255,0.15); color: var(--white); }
.btn-danger { background: var(--danger); color: var(--white); border-color: var(--danger); }
.btn-danger:hover { background: #dc2626; border-color: #dc2626; color: var(--white); }
.btn-success { background: var(--success); color: var(--white); border-color: var(--success); }
.btn-success:hover { background: #059669; border-color: #059669; color: var(--white); }
.btn-warning { background: var(--warning); color: var(--white); border-color: var(--warning); }
.btn-warning:hover { background: #d97706; border-color: #d97706; color: var(--white); }
.btn-ghost { background: transparent; color: var(--gray-600); border-color: transparent; }
.btn-ghost:hover { background: var(--gray-100); color: var(--gray-700); }

/* Button Sizes */
.btn-sm { padding: 0.4rem 0.875rem; font-size: 0.8rem; }
.btn-lg { padding: 0.875rem 2rem; font-size: 1.05rem; }
.btn-xs { padding: 0.25rem 0.5rem; font-size: 0.75rem; border-radius: 5px; }
.btn-full { width: 100%; }

/* ─── Forms ──────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.875rem; font-weight: 600; color: var(--gray-700);
  margin-bottom: 0.4rem;
}
.form-label-link { font-weight: 400; font-size: 0.8rem; color: var(--primary); }
.form-control {
  display: block; width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.925rem; font-family: inherit;
  color: var(--gray-800);
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}
.form-control::placeholder { color: var(--gray-400); }
textarea.form-control { resize: vertical; min-height: 100px; }
select.form-control { cursor: pointer; }
.form-error { display: block; color: var(--danger); font-size: 0.8rem; margin-top: 0.3rem; }
.form-hint  { display: block; color: var(--gray-500); font-size: 0.8rem; margin-top: 0.3rem; }
.form-check { display: flex; align-items: center; gap: 0.5rem; cursor: pointer; font-size: 0.875rem; }
.form-check input[type="checkbox"] { width: 16px; height: 16px; cursor: pointer; accent-color: var(--primary); }
.form-check-group { margin-bottom: 1rem; }
.form-check-inline { display: inline-flex; margin-left: 0.5rem; }
.form-row { display: flex; gap: 1rem; }
.form-col { flex: 1; min-width: 0; }
.form-actions { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; margin-top: 1.5rem; }
.required { color: var(--danger); }
.input-wrapper { position: relative; }
.input-wrapper .form-control { padding-right: 2.75rem; }
.input-toggle-pass {
  position: absolute; right: 0.625rem; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; font-size: 1rem;
  color: var(--gray-500); padding: 0.25rem;
}

/* Password Strength */
.strength-meter { margin-top: 0.5rem; }
.strength-bar { background: var(--gray-200); border-radius: 99px; height: 5px; overflow: hidden; margin-bottom: 0.25rem; }
.strength-fill { height: 100%; border-radius: 99px; transition: width 0.3s ease, background 0.3s ease; width: 0; }
.strength-label { font-size: 0.75rem; font-weight: 600; }

/* ─── Cards ──────────────────────────────────────────────────────────────────── */
.card { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); border: 1px solid var(--gray-200); margin-bottom: 1.5rem; }
.card-header { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.25rem; border-bottom: 1px solid var(--gray-200); }
.card-title { font-size: 1rem; font-weight: 700; color: var(--gray-800); margin: 0; }
.card-body { padding: 1.25rem; }
.card-body.p-0 { padding: 0; }
.card-footer { padding: 0.875rem 1.25rem; border-top: 1px solid var(--gray-200); background: var(--gray-50); border-radius: 0 0 var(--radius-lg) var(--radius-lg); }

/* ─── Navigation ─────────────────────────────────────────────────────────────── */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  padding: 0.875rem 0;
}
.navbar-inner { display: flex; align-items: center; justify-content: space-between; }
.navbar-brand {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 1.25rem; font-weight: 800;
  color: var(--gray-900); text-decoration: none;
}
.navbar-brand:hover { color: var(--primary); }
.brand-icon { color: var(--primary); font-size: 1.1rem; }
.nav-links { display: flex; align-items: center; gap: 0.25rem; }
.nav-link { padding: 0.4rem 0.75rem; border-radius: var(--radius); font-size: 0.9rem; font-weight: 500; color: var(--gray-600); transition: color var(--transition), background var(--transition); }
.nav-link:hover { color: var(--primary); background: var(--primary-light); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 0.4rem; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--gray-700); border-radius: 2px; transition: all 0.3s; }

/* ─── Hero ───────────────────────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--gray-900) 0%, #1e1b4b 50%, #312e81 100%);
  padding: 5rem 0 4rem;
  text-align: center;
  color: var(--white);
  overflow: hidden;
  position: relative;
}
.hero-content { max-width: 700px; margin: 0 auto; position: relative; z-index: 1; }
.hero-badge { display: inline-block; background: rgba(99,102,241,0.3); color: #c7d2fe; border: 1px solid rgba(99,102,241,0.4); padding: 0.35rem 1rem; border-radius: 99px; font-size: 0.8rem; font-weight: 600; margin-bottom: 1.5rem; }
.hero-title { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 900; color: var(--white); line-height: 1.1; margin-bottom: 1.25rem; }
.hero-subtitle { font-size: 1.15rem; color: rgba(255,255,255,0.8); max-width: 550px; margin: 0 auto 2rem; line-height: 1.7; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 1.25rem; }
.hero-note { color: rgba(255,255,255,0.5); font-size: 0.8rem; }
.hero-graphic { margin-top: 3rem; }
.hero-card-mock { display: inline-flex; flex-direction: column; align-items: center; gap: 0.75rem; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.2); border-radius: 1rem; padding: 1.5rem 2.5rem; }
.mock-tag { color: #c7d2fe; font-weight: 700; font-size: 1rem; }
.mock-arrow { color: rgba(255,255,255,0.5); font-size: 1.5rem; }
.mock-destination { display: flex; align-items: center; gap: 0.5rem; background: rgba(255,255,255,0.15); padding: 0.5rem 1rem; border-radius: 0.5rem; color: var(--white); font-weight: 600; }
.mock-icon { font-size: 1.25rem; }

/* ─── Features ───────────────────────────────────────────────────────────────── */
.features-section { padding: 5rem 0; }
.section-header { text-align: center; max-width: 640px; margin: 0 auto 3rem; }
.section-title { font-size: 2rem; font-weight: 800; margin-bottom: 0.75rem; }
.section-subtitle { color: var(--gray-500); font-size: 1.05rem; line-height: 1.7; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.feature-card { text-align: center; padding: 2rem 1.5rem; border-radius: var(--radius-xl); border: 1px solid var(--gray-200); transition: box-shadow var(--transition), transform var(--transition); }
.feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.feature-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.feature-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.5rem; }
.feature-desc { color: var(--gray-500); font-size: 0.9rem; line-height: 1.7; }

/* Feature detail blocks */
.features-detail-section { padding: 4rem 0; }
.feature-block { display: flex; gap: 3rem; align-items: flex-start; padding: 3rem 0; border-bottom: 1px solid var(--gray-200); }
.feature-block:last-child { border-bottom: none; }
.feature-block-alt { flex-direction: row-reverse; }
.feature-block-icon { font-size: 3rem; flex-shrink: 0; width: 80px; height: 80px; background: var(--primary-light); border-radius: var(--radius-xl); display: flex; align-items: center; justify-content: center; }
.feature-block-content h2 { font-size: 1.5rem; margin-bottom: 0.75rem; }
.feature-block-content p { color: var(--gray-600); margin-bottom: 1rem; }
.feature-list { list-style: none; color: var(--gray-600); }
.feature-list li { padding: 0.25rem 0; font-size: 0.9rem; }
.platform-categories { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1rem; }
.platform-category h4 { font-size: 0.85rem; margin-bottom: 0.25rem; color: var(--gray-700); }
.platform-category p { font-size: 0.8rem; color: var(--gray-500); }

/* Platforms section */
.platforms-section { background: var(--gray-50); padding: 4rem 0; }
.platform-chips { display: flex; flex-wrap: wrap; gap: 0.625rem; justify-content: center; margin-top: 2rem; }
.platform-chip { background: var(--white); border: 1px solid var(--gray-200); color: var(--gray-700); padding: 0.4rem 1rem; border-radius: 99px; font-size: 0.875rem; font-weight: 500; }

/* ─── Steps ──────────────────────────────────────────────────────────────────── */
.steps-section { padding: 5rem 0; }
.steps { display: flex; flex-direction: column; gap: 2rem; max-width: 640px; margin: 0 auto; }
.step { display: flex; gap: 1.5rem; align-items: flex-start; }
.step-number { flex-shrink: 0; width: 3rem; height: 3rem; border-radius: 50%; background: var(--primary); color: var(--white); font-weight: 800; font-size: 1.1rem; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 12px rgba(99,102,241,0.4); }
.step-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.25rem; }
.step-desc { color: var(--gray-500); font-size: 0.9rem; line-height: 1.7; }

/* ─── CTA Section ────────────────────────────────────────────────────────────── */
.cta-section { background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%); padding: 5rem 0; text-align: center; }
.cta-content { max-width: 600px; margin: 0 auto; }
.cta-title { font-size: 2.25rem; font-weight: 800; color: var(--white); margin-bottom: 0.75rem; }
.cta-subtitle { color: rgba(255,255,255,0.8); margin-bottom: 2rem; font-size: 1.05rem; }

/* ─── Footer ─────────────────────────────────────────────────────────────────── */
.site-footer { background: var(--gray-900); color: var(--gray-400); padding: 4rem 0 0; }
.footer-inner { display: flex; gap: 4rem; justify-content: space-between; flex-wrap: wrap; padding-bottom: 3rem; }
.footer-brand { max-width: 220px; }
.footer-brand .navbar-brand { color: var(--white); margin-bottom: 0.75rem; }
.footer-tagline { color: var(--gray-500); font-size: 0.875rem; }
.footer-links { display: flex; gap: 3rem; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col h4 { color: var(--gray-300); font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.25rem; }
.footer-col a { color: var(--gray-400); font-size: 0.875rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid var(--gray-800); padding: 1.25rem 0; font-size: 0.8rem; text-align: center; }

/* ─── Alerts ─────────────────────────────────────────────────────────────────── */
.flash-container { position: fixed; top: 5rem; right: 1.5rem; z-index: 999; display: flex; flex-direction: column; gap: 0.5rem; max-width: 420px; width: calc(100% - 3rem); }
.alert { display: flex; align-items: flex-start; gap: 0.75rem; padding: 0.875rem 1rem; border-radius: var(--radius); border: 1px solid transparent; font-size: 0.875rem; box-shadow: var(--shadow-md); }
.alert-icon { flex-shrink: 0; font-size: 1rem; margin-top: 0.05rem; }
.alert-text { flex: 1; line-height: 1.5; }
.alert-close { background: none; border: none; cursor: pointer; font-size: 1.1rem; color: inherit; opacity: 0.6; padding: 0; flex-shrink: 0; }
.alert-close:hover { opacity: 1; }
.alert-success { background: #f0fdf4; border-color: #86efac; color: #14532d; }
.alert-error   { background: #fef2f2; border-color: #fca5a5; color: #7f1d1d; }
.alert-warning { background: #fffbeb; border-color: #fcd34d; color: #78350f; }
.alert-info    { background: #eff6ff; border-color: #93c5fd; color: #1e3a5f; }

/* ─── Badges ─────────────────────────────────────────────────────────────────── */
.badge { display: inline-block; padding: 0.2rem 0.6rem; font-size: 0.7rem; font-weight: 700; border-radius: 99px; white-space: nowrap; letter-spacing: 0.02em; }
.badge-success   { background: #dcfce7; color: #14532d; }
.badge-danger    { background: #fee2e2; color: #7f1d1d; }
.badge-warning   { background: #fef3c7; color: #78350f; }
.badge-info      { background: #dbeafe; color: #1e3a5f; }
.badge-secondary { background: var(--gray-100); color: var(--gray-700); }
.badge-admin     { background: #fce7f3; color: #831843; }

/* ─── Tables ─────────────────────────────────────────────────────────────────── */
.table-responsive { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.table th { background: var(--gray-50); color: var(--gray-600); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; padding: 0.75rem 1rem; text-align: left; border-bottom: 2px solid var(--gray-200); white-space: nowrap; }
.table td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--gray-100); vertical-align: middle; color: var(--gray-700); }
.table tbody tr:hover { background: var(--gray-50); }
.table tbody tr:last-child td { border-bottom: none; }
.table-compact th, .table-compact td { padding: 0.5rem 0.875rem; }
.text-center { text-align: center; }

/* ─── Auth Cards ─────────────────────────────────────────────────────────────── */
.auth-section { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--gray-50); padding: 2rem 1rem; }
.auth-card { background: var(--white); border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); padding: 2.5rem 2rem; width: 100%; max-width: 420px; }
.auth-card-wide { max-width: 480px; }
.auth-header { text-align: center; margin-bottom: 2rem; }
.auth-brand { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 1.4rem; font-weight: 800; color: var(--gray-900); text-decoration: none; margin-bottom: 1.5rem; }
.auth-brand:hover { color: var(--primary); }
.auth-title { font-size: 1.5rem; font-weight: 800; margin-bottom: 0.35rem; }
.auth-subtitle { color: var(--gray-500); font-size: 0.9rem; margin: 0; }
.auth-form { margin-bottom: 1.5rem; }
.auth-footer { text-align: center; color: var(--gray-500); font-size: 0.875rem; }
.auth-footer a { font-weight: 600; }
.auth-terms { color: var(--gray-500); font-size: 0.8rem; text-align: center; margin-bottom: 1.25rem; line-height: 1.6; }

/* ─── Page Hero (inner pages) ────────────────────────────────────────────────── */
.page-hero { background: linear-gradient(135deg, var(--gray-900) 0%, #1e1b4b 100%); padding: 4rem 0; text-align: center; }
.page-hero-title { color: var(--white); font-size: 2.25rem; font-weight: 900; margin-bottom: 0.5rem; }
.page-hero-subtitle { color: rgba(255,255,255,0.7); font-size: 1.05rem; }
.pricing-coming-soon { margin-top: 1rem; }

/* ─── Pricing ────────────────────────────────────────────────────────────────── */
.pricing-section { padding: 5rem 0; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-bottom: 4rem; }
.pricing-card { background: var(--white); border: 2px solid var(--gray-200); border-radius: var(--radius-xl); padding: 2rem; position: relative; transition: box-shadow var(--transition), transform var(--transition); }
.pricing-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.pricing-card-featured { border-color: var(--primary); }
.pricing-badge { position: absolute; top: -1px; right: 1.5rem; background: var(--primary); color: var(--white); font-size: 0.7rem; font-weight: 700; padding: 0.3rem 0.75rem; border-radius: 0 0 var(--radius) var(--radius); letter-spacing: 0.04em; }
.pricing-plan { font-size: 1.25rem; font-weight: 800; margin-bottom: 0.5rem; }
.pricing-price { display: flex; align-items: baseline; gap: 0.25rem; margin-bottom: 0.75rem; }
.price-amount { font-size: 2.75rem; font-weight: 900; color: var(--gray-900); }
.price-period { color: var(--gray-500); font-size: 0.9rem; }
.pricing-desc { color: var(--gray-500); font-size: 0.875rem; margin-bottom: 1.5rem; }
.pricing-features { list-style: none; margin-bottom: 2rem; }
.pricing-features li { padding: 0.4rem 0; font-size: 0.875rem; color: var(--gray-600); display: flex; align-items: center; gap: 0.5rem; }
.comparison-title { font-size: 1.5rem; font-weight: 800; text-align: center; margin-bottom: 2rem; }
.comparison-table .text-center { text-align: center; font-size: 1.1rem; }

/* ─── Contact ────────────────────────────────────────────────────────────────── */
.contact-section { padding: 4rem 0; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.contact-form h2, .contact-info h2 { font-size: 1.5rem; margin-bottom: 1.5rem; }
.contact-form-wrap { background: var(--white); }
.contact-info-items { display: flex; flex-direction: column; gap: 1.5rem; margin-bottom: 2rem; }
.contact-info-item { display: flex; gap: 1rem; align-items: flex-start; }
.contact-info-icon { font-size: 1.5rem; flex-shrink: 0; }
.contact-info-item strong { display: block; margin-bottom: 0.2rem; }
.contact-info-item p { color: var(--gray-500); font-size: 0.875rem; margin: 0; }
.contact-faq h3 { font-size: 1.1rem; margin-bottom: 1rem; }
.faq-item { margin-bottom: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--gray-200); }
.faq-item:last-child { border-bottom: none; }
.faq-item strong { display: block; margin-bottom: 0.25rem; }
.faq-item p { color: var(--gray-500); font-size: 0.875rem; margin: 0; }

/* ─── Legal Pages ────────────────────────────────────────────────────────────── */
.legal-section { padding: 4rem 0; }
.legal-content { max-width: 800px; margin: 0 auto; }
.legal-content h2 { font-size: 1.35rem; margin-top: 2rem; margin-bottom: 0.75rem; padding-top: 2rem; border-top: 1px solid var(--gray-200); }
.legal-content h3 { font-size: 1.1rem; margin-top: 1rem; margin-bottom: 0.5rem; }
.legal-content ul { padding-left: 1.5rem; margin-bottom: 1rem; }
.legal-content ul li { padding: 0.25rem 0; color: var(--gray-600); }

/* ─── Utilities ──────────────────────────────────────────────────────────────── */
.text-muted  { color: var(--gray-500) !important; }
.text-sm     { font-size: 0.875rem; }
.text-xs     { font-size: 0.75rem; }
.text-link   { color: var(--primary); }
.text-link:hover { color: var(--primary-dark); text-decoration: underline; }
.fw-600      { font-weight: 600; }
.fw-700      { font-weight: 700; }
.d-flex      { display: flex; }
.align-center{ align-items: center; }
.gap-1       { gap: 0.25rem; }
.gap-2       { gap: 0.5rem; }
.gap-3       { gap: 1rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }

/* ─── Responsive ─────────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .pricing-grid { grid-template-columns: 1fr 1fr; }
    .features-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    .hamburger { display: flex; }
    .nav-links {
        display: none;
        position: fixed;
        top: 60px; left: 0; right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--gray-200);
        box-shadow: var(--shadow-md);
        z-index: 99;
        align-items: stretch;
        gap: 0.25rem;
    }
    .nav-links.nav-open { display: flex; }
    .nav-link { padding: 0.75rem 1rem; }
    .nav-links .btn { width: 100%; justify-content: center; }
    .features-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
    .feature-block { flex-direction: column; }
    .feature-block-alt { flex-direction: column; }
    .platform-categories { grid-template-columns: 1fr; }
    .footer-inner { flex-direction: column; gap: 2rem; }
    .flash-container { right: 0.75rem; max-width: calc(100% - 1.5rem); }
    .hero { padding: 3rem 0; }
    .form-row { flex-direction: column; gap: 0; }
}