/* =============================================================
   notas_de_venta — Landing Page Styles
   Palette: Blues + Greens (trust, health, professionalism)
   ============================================================= */

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

:root {
  --blue-900: #0c2461;
  --blue-800: #1e3799;
  --blue-700: #1a55b3;
  --blue-600: #2980b9;
  --blue-500: #3498db;
  --blue-100: #d6eaf8;
  --blue-50:  #ebf5fb;

  --green-800: #145a32;
  --green-700: #1e8449;
  --green-600: #27ae60;
  --green-500: #2ecc71;
  --green-100: #d5f5e3;
  --green-50:  #eafaf1;

  --teal-600: #148f77;
  --teal-500: #1abc9c;
  --teal-100: #d0ece7;

  --amber-500: #f39c12;
  --amber-400: #f1c40f;

  --gray-900: #1a1a2e;
  --gray-800: #2d3436;
  --gray-600: #636e72;
  --gray-400: #b2bec3;
  --gray-200: #dfe6e9;
  --gray-100: #f5f6fa;
  --white:    #ffffff;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 40px;

  --shadow-sm: 0 2px 8px rgba(0,0,0,.08);
  --shadow-md: 0 8px 24px rgba(0,0,0,.12);
  --shadow-lg: 0 16px 48px rgba(0,0,0,.16);

  --transition: 0.25s ease;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }

/* ---- Typography ---- */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue-700);
  background: var(--blue-50);
  border: 1px solid var(--blue-100);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 1.1rem;
  color: var(--gray-600);
  max-width: 640px;
  margin: 0 auto 48px;
}

/* ---- Layout ---- */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 96px 0;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: var(--blue-700);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(30,55,153,.35);
}
.btn-primary:hover {
  background: var(--blue-800);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(30,55,153,.45);
}

.btn-secondary {
  background: var(--white);
  color: var(--blue-700);
  border: 2px solid var(--blue-700);
}
.btn-secondary:hover {
  background: var(--blue-50);
  transform: translateY(-2px);
}

.btn-green {
  background: var(--green-600);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(39,174,96,.35);
}
.btn-green:hover {
  background: var(--green-700);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(39,174,96,.45);
}

.btn-large {
  padding: 18px 36px;
  font-size: 1.1rem;
  border-radius: var(--radius-md);
}

.btn-store {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  background: var(--gray-900);
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 500;
  transition: all var(--transition);
  border: 1.5px solid rgba(255,255,255,.15);
}
.btn-store:hover {
  background: var(--blue-900);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-store .store-icon { width: 28px; height: 28px; flex-shrink: 0; }
.btn-store .store-text small { display: block; font-size: 0.65rem; opacity: .7; text-transform: uppercase; letter-spacing: .06em; }
.btn-store .store-text strong { display: block; font-size: 1rem; font-weight: 700; }


/* ---- NAV ---- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: var(--shadow-sm); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  object-fit: contain;
}
.nav-logo-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--blue-800);
}
.nav-logo-tagline {
  font-size: 0.7rem;
  color: var(--gray-600);
  font-weight: 400;
  display: block;
  line-height: 1;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--blue-700); }

.nav-cta { margin-left: auto; }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-800);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---- HERO ---- */
.hero {
  padding-top: 140px;
  padding-bottom: 80px;
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 55%, var(--teal-600) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255,255,255,.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(46,204,113,.1) 0%, transparent 40%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-content { color: var(--white); }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.25);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
  letter-spacing: .04em;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  background: var(--green-500);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .7; transform: scale(1.3); }
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.15;
}
.hero-title em {
  font-style: normal;
  color: var(--teal-500);
}

.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,.82);
  margin-bottom: 36px;
  max-width: 500px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 44px;
}

.hero-stores {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,.15);
}
.hero-stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
}
.hero-stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,.65);
  margin-top: 2px;
}

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

.phone-mockup {
  width: 280px;
  background: var(--gray-900);
  border-radius: 40px;
  padding: 12px;
  box-shadow: 0 40px 80px rgba(0,0,0,.4), 0 0 0 1px rgba(255,255,255,.08);
  position: relative;
  z-index: 2;
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}

.phone-screen {
  background: var(--blue-50);
  border-radius: 30px;
  overflow: hidden;
  min-height: 500px;
}

.phone-status-bar {
  background: var(--blue-800);
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  font-size: 0.6rem;
  color: white;
}

.phone-app-bar {
  background: var(--blue-800);
  padding: 10px 14px 14px;
  color: white;
}
.phone-app-bar h4 { font-size: 1rem; }
.phone-app-bar small { font-size: 0.65rem; opacity: .75; }

.phone-body { padding: 12px; }

.phone-card {
  background: white;
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,.06);
}
.phone-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 6px;
}
.phone-card-title { font-size: 0.75rem; font-weight: 700; color: var(--gray-900); }
.phone-card-badge {
  font-size: 0.6rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 100px;
  background: var(--green-100);
  color: var(--green-700);
}
.phone-card-badge.pending {
  background: #fef3cd;
  color: #856404;
}
.phone-card-amount {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--blue-800);
}
.phone-card-meta {
  font-size: 0.62rem;
  color: var(--gray-600);
  margin-top: 2px;
}

.phone-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 10px;
}
.phone-stat-card {
  background: white;
  border-radius: 10px;
  padding: 10px;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0,0,0,.05);
}
.phone-stat-num { font-size: 1rem; font-weight: 800; color: var(--blue-800); }
.phone-stat-label { font-size: 0.6rem; color: var(--gray-600); }

.phone-fab {
  position: absolute;
  bottom: 20px;
  right: 18px;
  width: 48px;
  height: 48px;
  background: var(--blue-600);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.4rem;
  box-shadow: 0 4px 12px rgba(41,128,185,.5);
}

.hero-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(46,204,113,.2) 0%, transparent 70%);
  bottom: -100px;
  right: -80px;
  pointer-events: none;
}


/* ---- FEATURES ---- */
.features { background: var(--gray-100); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 1.5px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--blue-600), var(--teal-500));
  transition: width 0.4s ease;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--blue-100); }
.feature-card:hover::before { width: 100%; }

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  flex-shrink: 0;
}

.feature-icon-blue  { background: var(--blue-50);  color: var(--blue-700);  border: 1px solid var(--blue-100); }
.feature-icon-green { background: var(--green-50); color: var(--green-700); border: 1px solid var(--green-100); }
.feature-icon-teal  { background: var(--teal-100); color: var(--teal-600);  border: 1px solid var(--teal-100); }
.feature-icon-amber { background: #fef9e7;          color: #b7950b;          border: 1px solid #fdebd0; }

.feature-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.feature-card p  { font-size: 0.93rem; color: var(--gray-600); line-height: 1.65; }


/* ---- HOW IT WORKS ---- */
.how-it-works { background: var(--white); }

.steps-row {
  display: flex;
  gap: 0;
  position: relative;
  align-items: flex-start;
}

.steps-row::before {
  content: '';
  position: absolute;
  top: 36px;
  left: calc(10% + 36px);
  right: calc(10% + 36px);
  height: 2px;
  background: linear-gradient(90deg, var(--blue-200, #bcd4ee), var(--teal-500));
  z-index: 0;
}

.step {
  flex: 1;
  text-align: center;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}

.step-num {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 20px;
  background: var(--white);
  border: 3px solid var(--blue-200, #bcd4ee);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  font-weight: 700;
  color: var(--blue-700);
}
.step:hover .step-num {
  background: var(--blue-700);
  color: var(--white);
  border-color: var(--blue-700);
  transform: scale(1.1);
  box-shadow: 0 8px 24px rgba(30,55,153,.3);
}

.step h3 { font-size: 1rem; margin-bottom: 8px; }
.step p  { font-size: 0.88rem; color: var(--gray-600); line-height: 1.6; }


/* ---- PRICING ---- */
.pricing { background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  align-items: start;
}

.pricing-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  border: 2px solid var(--gray-200);
  position: relative;
  transition: all var(--transition);
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.pricing-card.featured {
  border-color: var(--blue-700);
  box-shadow: 0 12px 40px rgba(30,55,153,.18);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--blue-700);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.pricing-desc {
  font-size: 0.88rem;
  color: var(--gray-600);
  margin-bottom: 24px;
}

.pricing-price {
  margin-bottom: 28px;
}
.pricing-amount {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--blue-800);
  line-height: 1;
}
.pricing-period {
  font-size: 0.9rem;
  color: var(--gray-600);
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--gray-700);
}
.pricing-features li .check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--green-100);
  color: var(--green-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  flex-shrink: 0;
  margin-top: 1px;
}
.pricing-features li.muted { color: var(--gray-400); }
.pricing-features li.muted .check { background: var(--gray-100); color: var(--gray-400); }

.pricing-note {
  text-align: center;
  margin-top: 32px;
  font-size: 0.88rem;
  color: var(--gray-600);
}

/* ---- SECURITY ---- */
.security {
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-800) 60%, var(--teal-600) 100%);
  color: var(--white);
}
.security .section-label { background: rgba(255,255,255,.12); color: rgba(255,255,255,.9); border-color: rgba(255,255,255,.2); }
.security .section-title { color: var(--white); }
.security .section-sub { color: rgba(255,255,255,.75); }

.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.security-card {
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: all var(--transition);
}
.security-card:hover {
  background: rgba(255,255,255,.13);
  transform: translateY(-3px);
}
.security-card .s-icon {
  font-size: 2rem;
  margin-bottom: 14px;
}
.security-card h3 {
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 8px;
}
.security-card p {
  font-size: 0.88rem;
  color: rgba(255,255,255,.68);
  line-height: 1.6;
}


/* ---- TESTIMONIALS ---- */
.testimonials { background: var(--gray-100); }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1.5px solid var(--gray-200);
  transition: all var(--transition);
}
.testimonial-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.testimonial-stars { font-size: 1rem; color: var(--amber-400); margin-bottom: 14px; }
.testimonial-text {
  font-size: 0.93rem;
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-600), var(--teal-500));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
}
.testimonial-name { font-weight: 700; font-size: 0.92rem; }
.testimonial-role { font-size: 0.8rem; color: var(--gray-600); }


/* ---- CTA FINAL ---- */
.cta-final {
  background: var(--blue-700);
  padding: 96px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(46,204,113,.15), transparent 60%);
  pointer-events: none;
}

.cta-final h2 { color: var(--white); font-size: clamp(1.8rem, 4vw, 2.8rem); margin-bottom: 16px; }
.cta-final p  { color: rgba(255,255,255,.8); font-size: 1.1rem; margin-bottom: 40px; max-width: 560px; margin-left: auto; margin-right: auto; }

.cta-store-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.cta-note {
  font-size: 0.85rem;
  color: rgba(255,255,255,.6);
}


/* ---- FOOTER ---- */
footer {
  background: var(--gray-900);
  color: rgba(255,255,255,.7);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand-logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: contain;
}
.footer-brand-logo span {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
}

.footer-desc {
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 280px;
  margin-bottom: 24px;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 0.88rem;
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.83rem;
}
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a { color: rgba(255,255,255,.5); transition: color var(--transition); }
.footer-bottom-links a:hover { color: var(--white); }


/* ---- ANIMATIONS ---- */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s !important; }
.delay-2 { transition-delay: 0.2s !important; }
.delay-3 { transition-delay: 0.3s !important; }
.delay-4 { transition-delay: 0.4s !important; }
.delay-5 { transition-delay: 0.5s !important; }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .steps-row::before { display: none; }
  .steps-row { flex-wrap: wrap; gap: 32px; }
  .step { flex: 0 0 calc(50% - 16px); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  section { padding: 64px 0; }
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }
  .hero-title { font-size: 2rem; }
  .hero-stores { flex-direction: column; align-items: flex-start; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .step { flex: 0 0 100%; }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .cta-store-row { flex-direction: column; align-items: center; }
}

/* ---- Mobile Nav Menu ---- */
.mobile-menu {
  display: none;
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  z-index: 99;
  padding: 24px;
  box-shadow: var(--shadow-md);
}
.mobile-menu.open { display: block; }
.mobile-menu ul { list-style: none; display: flex; flex-direction: column; gap: 16px; margin-bottom: 24px; }
.mobile-menu a { font-size: 1rem; font-weight: 500; color: var(--gray-800); }