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

:root {
  --blue-900: #111111;
  --blue-800: #1a1a1a;
  --blue-700: #272727;
  --blue-600: #C44E0A;
  --blue-500: #F26522;
  --blue-400: #F57B35;
  --blue-300: #FAA070;
  --teal:     #E8520A;
  --teal-light: #F5944A;
  --banner-h: 36px;
  --white:    #ffffff;
  --gray-50:  #f0ede8;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-400: #94a3b8;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-900: #1a1a1a;
  --green:    #25d366;
  --radius:   12px;
  --radius-lg: 20px;
  --shadow:   0 4px 24px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,.14);
  --transition: .25s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--gray-700);
  background: #f4f2ef;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

/* ===== CONTAINER ===== */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: .95rem;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue-500), var(--teal));
  color: var(--white);
  box-shadow: 0 4px 20px rgba(242,101,34,.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(242,101,34,.45);
}
.btn-outline {
  border: 2px solid var(--blue-400);
  color: var(--blue-400);
}
.btn-outline:hover {
  background: var(--blue-400);
  color: var(--white);
}
.btn-whatsapp {
  background: var(--green);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(37,211,102,.3);
}
.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37,211,102,.45);
}
.btn-lg { padding: 15px 36px; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ===== WIP BANNER ===== */
.wip-banner {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1100;
  background: linear-gradient(135deg, #F26522, #C44E0A);
  color: #fff;
  text-align: center;
  padding: 7px 20px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .025em;
  line-height: 1.4;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: var(--banner-h);
}
.wip-banner .wip-icon { font-size: .95rem; flex-shrink: 0; }
.wip-banner .wip-light { opacity: .88; font-weight: 400; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: var(--banner-h); left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition);
}
/* fondo siempre visible — gris más claro que el hero (#111) */
.navbar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(32,32,32,.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: -1;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.navbar.scrolled {
  padding: 10px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,.4);
}
.navbar.scrolled::before {
  background: rgba(28,28,28,.98);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -.5px;
}
.logo-w { color: var(--white); }
.logo-m { color: var(--teal-light); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  color: var(--blue-400);
  font-size: .9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--blue-500); }
.nav-links .btn-outline {
  border-color: rgba(255,255,255,.5);
  color: var(--white);
  padding: 8px 22px;
}
.nav-links .btn-outline:hover {
  background: var(--white);
  color: var(--blue-700);
  border-color: var(--white);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== MEGA MENU ===== */
.mega-wrap {
  position: relative;
}
.mega-trigger {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--blue-400) !important;
  font-size: .9rem;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--transition);
  white-space: nowrap;
}
.mega-trigger:hover,
.mega-wrap:hover .mega-trigger { color: var(--blue-500) !important; }
.mega-trigger svg { transition: transform var(--transition); }
.mega-wrap:hover .mega-trigger svg { transform: rotate(180deg); }

.mega-menu {
  position: absolute;
  top: calc(100% + 18px);
  left: 50%;
  transform: translateX(-50%);
  width: 680px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,.18);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
  transform: translateX(-50%) translateY(-8px);
  z-index: 2000;
  overflow: hidden;
}
.mega-wrap:hover .mega-menu {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}
.mega-menu::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-bottom-color: var(--white);
  border-top: none;
}
.mega-inner {
  display: grid;
  grid-template-columns: 200px 1fr;
  min-height: 320px;
}
.mega-cats {
  background: var(--gray-50);
  border-right: 1px solid var(--gray-200);
  padding: 12px 0;
}
.mega-cat-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 11px 16px;
  font-size: .88rem;
  font-weight: 500;
  color: var(--gray-700);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  border-left: 3px solid transparent;
  transition: all var(--transition);
}
.mega-cat-btn svg { color: var(--gray-400); flex-shrink: 0; }
.mega-cat-btn:hover,
.mega-cat-btn.active {
  background: var(--white);
  color: var(--blue-600);
  border-left-color: var(--blue-500);
}
.mega-cat-btn.active svg,
.mega-cat-btn:hover svg { color: var(--blue-500); }

.mega-subs {
  padding: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  align-content: start;
}
.mega-sub-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 8px;
  font-size: .84rem;
  color: var(--gray-600);
  font-weight: 500;
  transition: all var(--transition);
  text-decoration: none;
}
.mega-sub-link::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--blue-400);
  flex-shrink: 0;
  opacity: .5;
  transition: opacity var(--transition);
}
.mega-sub-link:hover {
  background: rgba(242,101,34,.07);
  color: var(--blue-600);
}
.mega-sub-link:hover::before { opacity: 1; }

.mega-footer {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--blue-500), var(--teal));
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mega-footer span { color: rgba(255,255,255,.85); font-size: .85rem; }
.mega-footer a {
  color: var(--white);
  font-weight: 700;
  font-size: .85rem;
  display: flex;
  align-items: center;
  gap: 6px;
}
.mega-footer a:hover { text-decoration: underline; }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--blue-900);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(255,255,255,.03) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(255,255,255,.02) 0%, transparent 60%),
    linear-gradient(135deg, var(--blue-900) 0%, #1c1c1c 100%);
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 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='%23ffffff' fill-opacity='0.025'%3E%3Ccircle cx='30' cy='30' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: calc(120px + var(--banner-h)) 24px 80px;
  max-width: 760px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.75);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -.02em;
  margin-bottom: 24px;
}
.gradient-text {
  background: linear-gradient(135deg, var(--teal-light), var(--blue-300));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,.72);
  max-width: 580px;
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 60px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.stat-label {
  font-size: .8rem;
  color: rgba(255,255,255,.55);
  margin-top: 4px;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,.2);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.scroll-arrow {
  width: 24px;
  height: 24px;
  border-right: 2px solid rgba(255,255,255,.4);
  border-bottom: 2px solid rgba(255,255,255,.4);
  transform: rotate(45deg);
  animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translateY(0); opacity: 1; }
  50% { transform: rotate(45deg) translateY(6px); opacity: .4; }
}

/* ===== SECTIONS ===== */
.section { padding: 96px 0; }

/* Offset para que el navbar + banner no tapen el ancla al hacer scroll */
#servicios, #equipos, #segmentos, #nosotros, #contacto {
  scroll-margin-top: calc(var(--banner-h) + 72px);
}
.section-alt { background: var(--gray-50); }
.section-dark {
  background: var(--blue-900);
  color: var(--white);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}
.section-tag {
  display: inline-block;
  background: rgba(242,101,34,.1);
  color: var(--blue-500);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.tag-light {
  background: rgba(245,148,74,.15);
  color: var(--teal-light);
}
.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -.02em;
  margin-bottom: 16px;
  line-height: 1.2;
}
.section-dark .section-header h2 { color: var(--white); }
.section-header p {
  color: var(--gray-400);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ===== SERVICES GRID ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-500), var(--teal));
  opacity: 0;
  transition: opacity var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, rgba(242,101,34,.1), rgba(232,82,10,.1));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--blue-500);
  transition: all var(--transition);
}
.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--blue-500), var(--teal));
  color: var(--white);
}
.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}
.service-card p {
  font-size: .92rem;
  color: var(--gray-600);
  line-height: 1.65;
}

/* ===== CATEGORIES GRID ===== */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.cat-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px 20px;
  transition: all var(--transition);
  cursor: pointer;
  display: block;
  text-decoration: none;
  color: inherit;
}
.cat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--blue-300);
}
.cat-icon-wrap {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--blue-500), var(--teal));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  margin-bottom: 16px;
  flex-shrink: 0;
}
.cat-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}
.cat-card ul { display: flex; flex-direction: column; gap: 6px; }
.cat-card li {
  font-size: .83rem;
  color: var(--gray-600);
  padding-left: 14px;
  position: relative;
}
.cat-card li::before {
  content: '·';
  position: absolute;
  left: 4px;
  color: var(--blue-400);
  font-weight: 700;
}

/* ===== SEGMENTS ===== */
.segments-wrap { display: flex; flex-direction: column; gap: 2px; }
.segment-item {
  display: flex;
  align-items: stretch;
  gap: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.segment-item:hover { transform: translateX(4px); }
.segment-number {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  background: linear-gradient(135deg, var(--blue-500), var(--teal));
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 800;
  opacity: .9;
}
.segment-content {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--gray-50);
  padding: 28px 32px;
  flex: 1;
  border: 1px solid var(--gray-200);
  border-left: none;
}
.segment-icon {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, rgba(242,101,34,.12), rgba(232,82,10,.12));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-500);
  flex-shrink: 0;
}
.segment-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}
.segment-content p {
  font-size: .92rem;
  color: var(--gray-600);
  line-height: 1.65;
}

/* ===== ABOUT ===== */
.about-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-text h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--white);
  margin: 16px 0 20px;
  line-height: 1.2;
}
.about-text p {
  color: rgba(255,255,255,.7);
  line-height: 1.7;
  margin-bottom: 28px;
}
.about-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 36px; }
.about-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,.85);
  font-size: .95rem;
}
.about-list svg { color: var(--teal-light); flex-shrink: 0; }

.about-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.about-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 24px;
  transition: all var(--transition);
}
.about-card:hover {
  background: rgba(255,255,255,.08);
  transform: translateX(4px);
}
.about-card-icon {
  color: var(--teal-light);
  margin-bottom: 14px;
}
.about-card h4 {
  color: var(--white);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 8px;
}
.about-card p {
  color: rgba(255,255,255,.6);
  font-size: .88rem;
  line-height: 1.6;
}

/* ===== CONTACT ===== */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.contact-item:hover {
  border-color: var(--blue-300);
  box-shadow: var(--shadow);
}
.contact-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--blue-500), var(--teal));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  flex-shrink: 0;
}
.contact-item h4 {
  font-size: .82rem;
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 4px;
}
.contact-item a {
  color: var(--blue-600);
  font-weight: 600;
  font-size: .95rem;
}
.contact-item a:hover { color: var(--blue-400); }

/* FORM */
.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: .84rem;
  font-weight: 600;
  color: var(--gray-700);
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: .95rem;
  font-family: inherit;
  color: var(--gray-900);
  background: var(--white);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}
.form-note {
  text-align: center;
  font-size: .82rem;
  color: var(--gray-400);
  margin-top: -4px;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--gray-900);
  color: rgba(255,255,255,.7);
  position: relative;
  z-index: 1;
}
/* Tapa cualquier fondo claro del body que pudiera asomarse */
body::after {
  content: '';
  display: block;
  background: var(--gray-900);
  height: 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 64px;
  padding: 72px 24px 48px;
}
.footer-brand p {
  font-size: .9rem;
  line-height: 1.7;
  margin: 20px 0 24px;
  max-width: 280px;
}
.footer-social {
  display: flex;
  gap: 12px;
}
.footer-social a {
  width: 38px; height: 38px;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.7);
  transition: all var(--transition);
}
.footer-social a:hover {
  background: var(--blue-500);
  border-color: var(--blue-500);
  color: var(--white);
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h5 {
  color: var(--white);
  font-weight: 700;
  font-size: .85rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.footer-col a {
  font-size: .88rem;
  color: rgba(255,255,255,.55);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 24px;
}
.footer-bottom p {
  text-align: center;
  font-size: .82rem;
  color: rgba(255,255,255,.35);
}

/* ===== REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== MOBILE ===== */
@media (max-width: 900px) {
  .about-wrap { grid-template-columns: 1fr; gap: 40px; }
  .contact-wrap { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 280px; height: 100vh;
    background: var(--blue-900);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 32px 40px;
    gap: 24px;
    transition: right var(--transition);
    box-shadow: -8px 0 32px rgba(0,0,0,.4);
  }
  .nav-links.open { right: 0; }
  .hamburger { display: flex; }
  .hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .hamburger.open span:nth-child(2) { opacity: 0; }
  .hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
  .footer-links { grid-template-columns: 1fr 1fr; }

  .segment-content { padding: 20px; gap: 16px; }
  .segment-number { min-width: 52px; font-size: 1.1rem; }
  .hero-stats { gap: 20px; }
}

@media (max-width: 520px) {
  .section { padding: 64px 0; }
  .hero-content { padding: 100px 16px 60px; }
  .categories-grid { grid-template-columns: 1fr 1fr; }
  .footer-links { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}

/* ===== AUTH NAVBAR ===== */
.nav-login-btn {
  font-size: .85rem !important;
  padding: 8px 18px !important;
  white-space: nowrap;
  background: rgba(255,255,255,.1) !important;
  box-shadow: none !important;
  border: 1px solid rgba(255,255,255,.2) !important;
}
.nav-login-btn:hover {
  background: rgba(255,255,255,.18) !important;
  transform: none !important;
  box-shadow: none !important;
}

.nav-user-menu {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-user-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-200);
  font-family: var(--font);
  font-size: .875rem;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 8px;
  transition: background var(--transition);
}
.nav-user-btn:hover { background: rgba(255,255,255,.08); }

.nav-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.nav-user-name { max-width: 100px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.nav-admin-badge {
  font-size: .65rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--teal), var(--blue));
  color: #fff;
  padding: 2px 6px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.nav-chevron { transition: transform var(--transition); flex-shrink: 0; }
.nav-user-btn[aria-expanded="true"] .nav-chevron { transform: rotate(180deg); }

.nav-user-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 190px;
  background: #1a1a1a;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 12px;
  box-shadow: 0 20px 50px rgba(0,0,0,.6);
  padding: 6px;
  z-index: 9999;
  animation: ddFade .15s ease;
}
.nav-user-dropdown.open { display: block; }

@keyframes ddFade {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.nav-dd-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--gray-300);
  font-size: .85rem;
  font-weight: 500;
  text-decoration: none;
  background: none;
  border: none;
  width: 100%;
  cursor: pointer;
  font-family: var(--font);
  transition: background var(--transition), color var(--transition);
}
.nav-dd-item:hover { background: rgba(255,255,255,.07); color: #fff; }
.nav-dd-logout { color: #f87171; }
.nav-dd-logout:hover { background: rgba(248,113,113,.1); color: #f87171; }

.nav-dd-sep { border: none; border-top: 1px solid rgba(255,255,255,.08); margin: 4px 0; }

/* ===== HEART (FAVORITE) BUTTON ON PRODUCT CARDS ===== */
.btn-fav {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(15,23,42,.65);
  backdrop-filter: blur(6px);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), transform .15s;
  z-index: 2;
}
.btn-fav:hover { background: rgba(15,23,42,.85); transform: scale(1.1); }
.btn-fav svg { pointer-events: none; transition: fill .2s, stroke .2s; }
.btn-fav.is-fav svg { fill: #f43f5e; stroke: #f43f5e; }
.btn-fav:not(.is-fav) svg { fill: none; stroke: #fff; }

/* ensure thumb has relative position for absolute heart */
.product-thumb { position: relative; }