/* =========================================================
   DentSeek — Main Stylesheet
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');
@import 'variables.css';

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  transition: background var(--transition-slow), color var(--transition-slow);
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ─── Typography ─────────────────────────────────────── */
h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── Layout ─────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

section { padding: var(--space-24) 0; }

/* ─── Utility ────────────────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ─── Buttons ────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  font-size: .9375rem; font-weight: 600; line-height: 1;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  box-shadow: var(--shadow-brand);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-brand-lg);
  filter: brightness(1.05);
}

.btn-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}
.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--color-text-secondary);
  border: 2px solid var(--color-border);
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-lg { padding: 1rem 2.25rem; font-size: 1rem; }
.btn-sm { padding: .5rem 1.25rem; font-size: .875rem; }

/* ─── Cards ──────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

/* ─── Badges ─────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: .375rem;
  padding: .375rem 1rem;
  font-size: .8125rem; font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--color-primary-pale);
  color: var(--color-primary-dark);
  letter-spacing: .03em;
}
[data-theme="dark"] .badge {
  background: rgba(0,188,212,.15);
  color: var(--color-primary-light);
}

/* ─── Section Headers ────────────────────────────────── */
.section-header { text-align: center; max-width: 640px; margin: 0 auto var(--space-16); }
.section-header .badge { margin-bottom: var(--space-4); }
.section-header h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); margin-bottom: var(--space-4); }
.section-header p { color: var(--color-text-secondary); font-size: 1.0625rem; }

/* =========================================================
   HEADER / NAV
   ========================================================= */
#header {
  position: fixed; top: 0; left: 0; right: 0; z-index: var(--z-sticky);
  height: var(--header-height);
  transition: all var(--transition-base);
}

#header.scrolled {
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
[data-theme="dark"] #header.scrolled {
  background: rgba(11,17,32,.9);
}

.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-height);
}

.nav-logo {
  display: flex; align-items: center; gap: var(--space-3);
  font-family: var(--font-display); font-weight: 800; font-size: 1.375rem;
  color: var(--color-text);
}
.nav-logo img { height: 40px; width: auto; border-radius: var(--radius-sm); }
.nav-logo span { color: var(--color-primary); }

.nav-links {
  display: flex; align-items: center; gap: var(--space-2);
}
.nav-links a {
  padding: var(--space-2) var(--space-4);
  font-size: .9375rem; font-weight: 500;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.nav-links a:hover, .nav-links a.active {
  color: var(--color-primary);
  background: var(--color-primary-pale);
}

.nav-actions {
  display: flex; align-items: center; gap: var(--space-3);
}

/* Theme toggle */
.theme-toggle {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: 1.125rem;
  transition: all var(--transition-fast);
}
.theme-toggle:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* Mobile nav */
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  padding: var(--space-2); border-radius: var(--radius-sm);
  cursor: pointer;
}
.nav-hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--color-text);
  transition: all var(--transition-base);
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding-top: var(--header-height);
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg,
    #0B1120 0%,
    #0D1F35 40%,
    #0A2540 70%,
    #0D2B47 100%
  );
}

.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 60% 30%, rgba(0,188,212,.18) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(0,229,209,.1) 0%, transparent 60%);
}

.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  align-items: center; gap: var(--space-16);
  position: relative; z-index: 1;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: .5rem 1.25rem;
  background: rgba(0,188,212,.15);
  border: 1px solid rgba(0,188,212,.3);
  border-radius: var(--radius-full);
  color: var(--color-primary-light);
  font-size: .8125rem; font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}
.hero-badge .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: .5; transform: scale(1.4); }
}

.hero-title {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  color: #fff;
  line-height: 1.15;
  margin-bottom: var(--space-6);
}
.hero-title .highlight {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: rgba(255,255,255,.7);
  line-height: 1.7;
  margin-bottom: var(--space-10);
  max-width: 520px;
}

.hero-actions {
  display: flex; flex-wrap: wrap; gap: var(--space-4);
  align-items: center;
}

.hero-stats {
  display: flex; flex-wrap: wrap; gap: var(--space-8);
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,.1);
}

.hero-stat-item strong {
  display: block;
  font-size: 1.625rem; font-weight: 800;
  color: var(--color-primary-light);
  font-family: var(--font-display);
}
.hero-stat-item span {
  font-size: .875rem;
  color: rgba(255,255,255,.55);
}

/* Hero Visual */
.hero-visual {
  position: relative; display: flex; justify-content: center; align-items: center;
}

.hero-mockup {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  backdrop-filter: blur(20px);
  width: 100%; max-width: 480px;
  box-shadow: 0 40px 80px rgba(0,0,0,.4), 0 0 0 1px rgba(255,255,255,.06);
  animation: floatY 6s ease-in-out infinite;
}
@keyframes floatY {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}

.mockup-header {
  display: flex; align-items: center; gap: var(--space-3);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.mockup-dots {
  display: flex; gap: 6px;
}
.mockup-dots span {
  width: 10px; height: 10px; border-radius: 50%;
}
.mockup-dots span:nth-child(1) { background: #FF5F57; }
.mockup-dots span:nth-child(2) { background: #FFBD2E; }
.mockup-dots span:nth-child(3) { background: #28C940; }
.mockup-title { color: rgba(255,255,255,.6); font-size: .8125rem; margin-left: auto; }

.mockup-stats {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-3); margin-bottom: var(--space-4);
}
.mockup-stat {
  background: rgba(0,188,212,.1);
  border: 1px solid rgba(0,188,212,.2);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}
.mockup-stat .label { font-size: .75rem; color: rgba(255,255,255,.5); margin-bottom: 4px; }
.mockup-stat .value { font-size: 1.375rem; font-weight: 700; color: #fff; font-family: var(--font-display); }
.mockup-stat .trend { font-size: .75rem; color: #10B981; margin-top: 2px; }

.mockup-chart {
  height: 80px;
  display: flex; align-items: flex-end; gap: 6px;
  padding: var(--space-3);
  background: rgba(255,255,255,.03);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}
.chart-bar {
  flex: 1; border-radius: 3px 3px 0 0;
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-dark));
  opacity: .7;
  animation: growBar 1s ease-out forwards;
}
@keyframes growBar {
  from { transform: scaleY(0); transform-origin: bottom; }
  to   { transform: scaleY(1); transform-origin: bottom; }
}

.mockup-patients {
  display: flex; flex-direction: column; gap: var(--space-2);
}
.mockup-patient {
  display: flex; align-items: center; gap: var(--space-3);
  background: rgba(255,255,255,.04);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}
.patient-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 700; color: #fff;
  flex-shrink: 0;
}
.patient-info { flex: 1; }
.patient-name { font-size: .8125rem; color: #fff; font-weight: 500; }
.patient-time { font-size: .6875rem; color: rgba(255,255,255,.4); }
.patient-status {
  font-size: .6875rem; font-weight: 600;
  padding: 2px 8px; border-radius: var(--radius-full);
}
.patient-status.confirmed { background: rgba(16,185,129,.2); color: #10B981; }
.patient-status.waiting   { background: rgba(245,158,11,.2); color: #F59E0B; }

/* Floating elements */
.hero-float {
  position: absolute;
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  color: #fff;
  font-size: .8125rem; font-weight: 600;
  display: flex; align-items: center; gap: var(--space-2);
  white-space: nowrap;
  animation: floatY 5s ease-in-out infinite;
}
.hero-float.float-1 { top: 10%; right: -5%; animation-delay: -2s; }
.hero-float.float-2 { bottom: 20%; left: -8%; animation-delay: -4s; }
.hero-float .float-icon { font-size: 1.125rem; }

/* Orbit ring */
.hero-orbit {
  position: absolute; inset: -40px;
  border: 1px dashed rgba(0,188,212,.15);
  border-radius: 50%;
  animation: rotate 30s linear infinite;
}
@keyframes rotate { to { transform: rotate(360deg); } }

/* =========================================================
   ABOUT / STATS
   ========================================================= */
#sobre {
  background: var(--color-surface);
}

.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-16); align-items: center;
}

.about-content .badge { margin-bottom: var(--space-4); }
.about-content h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); margin-bottom: var(--space-5); }
.about-content p { color: var(--color-text-secondary); line-height: 1.8; margin-bottom: var(--space-4); }

.feature-list { display: flex; flex-direction: column; gap: var(--space-4); margin-top: var(--space-8); }
.feature-item {
  display: flex; gap: var(--space-4); align-items: flex-start;
}
.feature-icon {
  width: 44px; height: 44px; border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.125rem; flex-shrink: 0;
  box-shadow: var(--shadow-brand);
}
.feature-text strong { display: block; font-weight: 600; margin-bottom: 4px; }
.feature-text span { color: var(--color-text-muted); font-size: .9375rem; }

/* Stats grid */
.stats-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.stat-card {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: all var(--transition-base);
  position: relative; overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.stat-card .stat-number {
  font-size: 2.5rem; font-weight: 800;
  font-family: var(--font-display);
  color: var(--color-primary);
  line-height: 1;
}
.stat-card .stat-label {
  font-size: .875rem; color: var(--color-text-muted);
  margin-top: var(--space-2);
}
.stat-card .stat-icon {
  font-size: 2rem; margin-bottom: var(--space-3);
}
[data-theme="dark"] .stat-card { background: var(--color-surface-alt); }

/* =========================================================
   FEATURES / FUNCIONALIDADES
   ========================================================= */
#funcionalidades {
  background: var(--color-bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
  position: relative; overflow: hidden;
}
.feature-card::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,188,212,.04) 0%, transparent 60%);
  opacity: 0; transition: opacity var(--transition-base);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--color-primary-light); }
.feature-card:hover::after { opacity: 1; }

.fc-icon {
  width: 56px; height: 56px; border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-5);
  background: linear-gradient(135deg, var(--color-primary-pale), rgba(0,229,209,.15));
  border: 1px solid rgba(0,188,212,.2);
  position: relative; z-index: 1;
}
[data-theme="dark"] .fc-icon { background: rgba(0,188,212,.1); }

.feature-card h3 {
  font-size: 1.125rem; font-weight: 700;
  margin-bottom: var(--space-3);
  position: relative; z-index: 1;
}
.feature-card p {
  color: var(--color-text-secondary); font-size: .9375rem; line-height: 1.7;
  position: relative; z-index: 1;
}

/* =========================================================
   BENEFITS
   ========================================================= */
#beneficios {
  background: var(--color-surface);
}

.benefits-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.benefit-card {
  text-align: center;
  padding: var(--space-10) var(--space-6);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--color-surface-alt);
  transition: all var(--transition-base);
}
.benefit-card:hover {
  transform: translateY(-6px);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.benefit-icon-wrap {
  width: 72px; height: 72px; margin: 0 auto var(--space-5);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.875rem;
  box-shadow: var(--shadow-brand);
}

.benefit-card h3 { font-size: 1.125rem; margin-bottom: var(--space-3); }
.benefit-card p { color: var(--color-text-secondary); font-size: .9375rem; line-height: 1.7; }

/* =========================================================
   PLANS
   ========================================================= */
#planos {
  background: var(--color-bg);
}

.plans-toggle {
  display: flex; align-items: center; justify-content: center; gap: var(--space-4);
  margin-bottom: var(--space-12);
}
.plans-toggle span { font-weight: 600; color: var(--color-text-secondary); }
.plans-toggle span.active { color: var(--color-primary); }

.toggle-switch {
  width: 52px; height: 28px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  position: relative; cursor: pointer;
  transition: background var(--transition-base);
}
.toggle-switch::after {
  content: '';
  position: absolute; top: 4px; left: 4px;
  width: 20px; height: 20px; border-radius: 50%; background: #fff;
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-sm);
}
.toggle-switch.annual::after { transform: translateX(24px); }

.annual-badge {
  background: var(--color-success);
  color: #fff; font-size: .6875rem; font-weight: 700;
  padding: 2px 8px; border-radius: var(--radius-full);
}

.plans-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6); align-items: start;
}

.plan-card {
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  overflow: hidden;
  transition: all var(--transition-base);
}
.plan-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.plan-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-brand);
  transform: scale(1.03);
}
.plan-card.featured:hover { transform: scale(1.03) translateY(-6px); }

.plan-header {
  padding: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}
.plan-card.featured .plan-header {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff; border-bottom-color: rgba(255,255,255,.15);
}
.plan-badge {
  font-size: .75rem; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.plan-card.featured .plan-badge { color: rgba(255,255,255,.8); }
.plan-name { font-size: 1.375rem; margin-bottom: var(--space-5); }
.plan-price strong {
  font-size: 2.5rem; font-family: var(--font-display); font-weight: 800;
  line-height: 1;
}
.plan-price span { font-size: .9375rem; opacity: .7; }
.plan-desc { font-size: .875rem; margin-top: var(--space-3); opacity: .75; }

.plan-body { padding: var(--space-8); }
.plan-features { display: flex; flex-direction: column; gap: var(--space-3); margin-bottom: var(--space-8); }
.plan-feature {
  display: flex; gap: var(--space-3); align-items: flex-start;
  font-size: .9375rem; color: var(--color-text-secondary);
}
.plan-feature .check { color: var(--color-success); font-size: 1rem; flex-shrink: 0; }
.plan-feature .x { color: var(--color-text-muted); opacity: .5; }

/* =========================================================
   CTA
   ========================================================= */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, #005F6B 50%, #003A42 100%);
  padding: var(--space-24) 0;
  text-align: center;
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 50% 50%, rgba(0,229,209,.12) 0%, transparent 70%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300BCD4' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-section h2 {
  font-size: clamp(1.875rem, 4vw, 3rem);
  color: #fff; margin-bottom: var(--space-4);
  position: relative; z-index: 1;
}
.cta-section p {
  color: rgba(255,255,255,.75); font-size: 1.125rem;
  max-width: 560px; margin: 0 auto var(--space-10);
  position: relative; z-index: 1;
}
.cta-section .btn-primary {
  background: #fff;
  color: var(--color-primary-dark);
  position: relative; z-index: 1;
}
.cta-section .btn-primary:hover { background: var(--color-primary-pale); }
.cta-actions { display: flex; justify-content: center; gap: var(--space-4); flex-wrap: wrap; }
.cta-outline {
  border-color: rgba(255,255,255,.4);
  color: #fff;
}
.cta-outline:hover { border-color: #fff; background: rgba(255,255,255,.1); }

/* =========================================================
   CONTACT
   ========================================================= */
#contato { background: var(--color-surface); }

.contact-grid {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: var(--space-16);
  align-items: start;
}

.contact-info h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); margin-bottom: var(--space-4); }
.contact-info p { color: var(--color-text-secondary); line-height: 1.8; margin-bottom: var(--space-8); }

.contact-details { display: flex; flex-direction: column; gap: var(--space-5); }
.contact-detail {
  display: flex; gap: var(--space-4); align-items: flex-start;
}
.cd-icon {
  width: 44px; height: 44px; border-radius: var(--radius-md);
  background: var(--color-primary-pale);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.125rem; flex-shrink: 0;
  color: var(--color-primary-dark);
}
[data-theme="dark"] .cd-icon { background: rgba(0,188,212,.12); color: var(--color-primary-light); }
.cd-text strong { display: block; font-size: .875rem; color: var(--color-text-muted); font-weight: 500; margin-bottom: 2px; }
.cd-text span { font-weight: 600; }

/* Form */
.contact-form {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
}
[data-theme="dark"] .contact-form { background: var(--color-surface); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); }
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-group.full { grid-column: 1 / -1; }

.form-group label {
  font-size: .875rem; font-weight: 600;
  color: var(--color-text-secondary);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; padding: .875rem 1rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans); font-size: .9375rem;
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0,188,212,.15);
}
.form-group textarea { min-height: 120px; resize: vertical; }
[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea {
  background: var(--color-surface-alt);
}

.form-submit { margin-top: var(--space-6); }
.form-submit .btn { width: 100%; justify-content: center; }

/* =========================================================
   FOOTER
   ========================================================= */
footer {
  background: #0B1120;
  color: rgba(255,255,255,.7);
  padding: var(--space-20) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer-brand .nav-logo { color: #fff; margin-bottom: var(--space-4); }
.footer-brand p {
  font-size: .9375rem; line-height: 1.8;
  color: rgba(255,255,255,.5);
  max-width: 280px; margin-bottom: var(--space-6);
}

.social-links { display: flex; gap: var(--space-3); }
.social-link {
  width: 40px; height: 40px; border-radius: var(--radius-md);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: rgba(255,255,255,.6);
  transition: all var(--transition-fast);
}
.social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: .9375rem; font-weight: 700; color: #fff;
  margin-bottom: var(--space-5);
  font-family: var(--font-display);
}
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col ul a {
  font-size: .9375rem; color: rgba(255,255,255,.55);
  transition: color var(--transition-fast);
}
.footer-col ul a:hover { color: var(--color-primary-light); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: var(--space-8);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: var(--space-4);
  font-size: .875rem;
}

/* =========================================================
   SCROLL TO TOP
   ========================================================= */
#scrollTop {
  position: fixed; bottom: 2rem; right: 2rem; z-index: var(--z-overlay);
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff; font-size: 1.125rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-brand);
  opacity: 0; pointer-events: none;
  transform: translateY(16px);
  transition: all var(--transition-base);
}
#scrollTop.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
#scrollTop:hover { transform: translateY(-4px); box-shadow: var(--shadow-brand-lg); }

/* =========================================================
   MOBILE NAV DRAWER
   ========================================================= */
.nav-drawer {
  position: fixed; inset: 0; z-index: var(--z-modal);
  background: rgba(0,0,0,.5);
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition-base);
}
.nav-drawer.open { opacity: 1; pointer-events: auto; }

.nav-drawer-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: 280px;
  background: var(--color-surface);
  padding: var(--space-6);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow-y: auto;
}
.nav-drawer.open .nav-drawer-panel { transform: translateX(0); }

.drawer-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}
.drawer-close {
  width: 36px; height: 36px; border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.125rem; color: var(--color-text);
}

.drawer-links { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-6); }
.drawer-links a {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}
.drawer-links a:hover { background: var(--color-primary-pale); color: var(--color-primary); }

/* =========================================================
   TOAST
   ========================================================= */
#toast {
  position: fixed; bottom: 2rem; left: 50%; transform: translateX(-50%) translateY(100px);
  z-index: var(--z-toast);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-6);
  box-shadow: var(--shadow-xl);
  display: flex; align-items: center; gap: var(--space-3);
  font-weight: 500; min-width: 300px;
  transition: all var(--transition-base);
  pointer-events: none; opacity: 0;
}
#toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }
#toast.success { border-color: var(--color-success); }
#toast.error   { border-color: var(--color-error); }
.toast-icon { font-size: 1.25rem; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  .about-grid       { grid-template-columns: 1fr; }
  .contact-grid     { grid-template-columns: 1fr; }
  .footer-grid      { grid-template-columns: 1fr 1fr; }
  .hero-grid        { grid-template-columns: 1fr; }
  .hero-visual      { display: none; }
  .plans-grid       { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .plan-card.featured { transform: none; }
  .plan-card.featured:hover { transform: translateY(-6px); }
  .benefits-grid    { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --header-height: 64px; }
  section { padding: var(--space-16) 0; }

  .nav-links, .nav-actions .btn { display: none; }
  .nav-hamburger { display: flex; }

  .benefits-grid   { grid-template-columns: 1fr; }
  .stats-grid      { grid-template-columns: 1fr 1fr; }
  .form-grid       { grid-template-columns: 1fr; }
  .footer-grid     { grid-template-columns: 1fr; }
  .footer-bottom   { flex-direction: column; text-align: center; }
  .features-grid   { grid-template-columns: 1fr; }

  .hero-stats { gap: var(--space-6); }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--space-4); }
  .stats-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { text-align: center; justify-content: center; }
  .cta-actions { flex-direction: column; align-items: center; }
}

/* ─── Animations ──────────────────────────────────────── */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

.stagger-1 { transition-delay: .1s; }
.stagger-2 { transition-delay: .2s; }
.stagger-3 { transition-delay: .3s; }
.stagger-4 { transition-delay: .4s; }
.stagger-5 { transition-delay: .5s; }