/* ============================================================
   InvestTech – Professional E-commerce Stylesheet
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --clr-primary: #1a3a6e;
  --clr-primary-dark: #0f2347;
  --clr-primary-light: #2d5fad;
  --clr-accent: #2563eb;
  --clr-accent-light: #3b82f6;
  --clr-white: #ffffff;
  --clr-gray-50: #f8fafc;
  --clr-gray-100: #f1f5f9;
  --clr-gray-200: #e2e8f0;
  --clr-gray-300: #cbd5e1;
  --clr-gray-400: #94a3b8;
  --clr-gray-500: #64748b;
  --clr-gray-600: #475569;
  --clr-gray-700: #334155;
  --clr-gray-800: #1e293b;
  --clr-gray-900: #0f172a;
  --clr-success: #10b981;
  --clr-error: #ef4444;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);
  --shadow-lg: 0 20px 48px rgba(0,0,0,.14), 0 8px 20px rgba(0,0,0,.08);
  --shadow-xl: 0 40px 80px rgba(0,0,0,.18);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

  --transition: 0.25s cubic-bezier(.4,0,.2,1);
  --transition-slow: 0.4s cubic-bezier(.4,0,.2,1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--clr-gray-800);
  background: var(--clr-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background: var(--clr-accent);
  color: var(--clr-white);
  box-shadow: 0 4px 20px rgba(37,99,235,.4);
}

.btn--primary:hover {
  background: var(--clr-primary-light);
  box-shadow: 0 8px 30px rgba(37,99,235,.5);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--clr-white);
  border: 2px solid rgba(255,255,255,.4);
  backdrop-filter: blur(8px);
}

.btn--outline:hover {
  background: rgba(255,255,255,.15);
  border-color: rgba(255,255,255,.7);
  transform: translateY(-2px);
}

.btn--sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

.btn--full {
  width: 100%;
  justify-content: center;
  padding: 16px 28px;
  font-size: 1rem;
}

/* ---------- Section Shared ---------- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  background: rgba(37,99,235,.1);
  color: var(--clr-accent);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-tag--light {
  background: rgba(255,255,255,.15);
  color: rgba(255,255,255,.9);
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--clr-gray-900);
  margin-bottom: 16px;
}

.section-title--light { color: var(--clr-white); }

.section-desc {
  font-size: 1.05rem;
  color: var(--clr-gray-500);
  line-height: 1.7;
}

.section-desc--light { color: rgba(255,255,255,.75); }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 35, 71, 0.0);
  backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  transition: all 0.35s ease;
}

.header.scrolled {
  background: rgba(15, 35, 71, 0.95);
  backdrop-filter: blur(20px);
  border-bottom-color: rgba(255,255,255,.08);
  box-shadow: 0 4px 30px rgba(0,0,0,.3);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 32px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--clr-accent) 0%, #7c3aed 100%);
  color: white;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: -0.5px;
}

.logo-text {
  color: var(--clr-white);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.3px;
}

.logo-text--white { color: var(--clr-white); }

.nav__menu {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.nav__link {
  color: rgba(255,255,255,.75);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  transition: all var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--clr-white);
  background: rgba(255,255,255,.12);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.nav__phone {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.85);
  font-size: 0.875rem;
  font-weight: 600;
  transition: color var(--transition);
}

.nav__phone:hover { color: var(--clr-white); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--clr-white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(150deg, var(--clr-primary-dark) 0%, var(--clr-primary) 40%, #1e4d9b 100%);
  overflow: hidden;
  padding: 96px 0 64px;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
}

.hero__shape--1 {
  width: 600px;
  height: 600px;
  background: #3b82f6;
  top: -100px;
  right: -100px;
  animation: float 8s ease-in-out infinite;
}

.hero__shape--2 {
  width: 400px;
  height: 400px;
  background: #7c3aed;
  bottom: -100px;
  left: -80px;
  animation: float 10s ease-in-out infinite reverse;
}

.hero__shape--3 {
  width: 300px;
  height: 300px;
  background: #0ea5e9;
  top: 50%;
  left: 35%;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(10px);
  color: rgba(255,255,255,.9);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,.15);
  margin-bottom: 24px;
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  color: var(--clr-white);
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero__subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,.75);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero__cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: 24px;
}

.stat strong {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--clr-white);
  letter-spacing: -1px;
}

.stat span {
  font-size: 0.8rem;
  color: rgba(255,255,255,.6);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat__divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,.2);
}

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

.hero__device {
  width: 100%;
  max-width: 420px;
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow-xl);
  animation: float 7s ease-in-out infinite;
}

.device-screen {
  background: rgba(255,255,255,.04);
  border-radius: var(--radius-lg);
  padding: 20px;
  border: 1px solid rgba(255,255,255,.08);
}

.device-bar {
  height: 8px;
  background: rgba(255,255,255,.15);
  border-radius: 4px;
  margin-bottom: 12px;
}

.device-bar--sm { width: 60%; }

.device-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 20px 0;
}

.device-card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
  transition: all var(--transition);
}

.device-card:hover {
  background: rgba(255,255,255,.14);
  transform: translateY(-2px);
}

.device-icon { font-size: 1.8rem; margin-bottom: 6px; }

.device-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,.7);
  font-weight: 600;
}

.device-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(16,185,129,.2);
  color: #6ee7b7;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid rgba(16,185,129,.3);
}

.floating-badge {
  position: absolute;
  background: var(--clr-white);
  color: var(--clr-gray-800);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-lg);
  white-space: nowrap;
}

.floating-badge svg { color: var(--clr-accent); flex-shrink: 0; }

.fb--1 {
  top: 10%;
  left: -20px;
  animation: floatBadge 5s ease-in-out infinite;
}

.fb--2 {
  bottom: 10%;
  right: -20px;
  animation: floatBadge 7s ease-in-out infinite reverse;
}

@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ============================================================
   TRUST BAR
   ============================================================ */
.trust-bar {
  background: var(--clr-gray-900);
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.trust-bar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.7);
  font-size: 0.875rem;
  font-weight: 500;
}

.trust-item svg { color: var(--clr-accent-light); flex-shrink: 0; }

/* ============================================================
   CATALOGUE
   ============================================================ */
.catalogue {
  padding: 100px 0;
  background: var(--clr-gray-50);
}

/* Filter Tabs */
.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 48px;
}

.filter-tab {
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--clr-gray-600);
  background: var(--clr-white);
  border: 1.5px solid var(--clr-gray-200);
  transition: all var(--transition);
}

.filter-tab:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
}

.filter-tab.active {
  background: var(--clr-accent);
  color: var(--clr-white);
  border-color: var(--clr-accent);
  box-shadow: 0 4px 16px rgba(37,99,235,.35);
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--clr-gray-100);
  transition: all var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: var(--clr-gray-200);
}

.product-card.hidden { display: none; }

.product-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--clr-accent);
  color: var(--clr-white);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  z-index: 2;
}

.product-badge--new {
  background: linear-gradient(135deg, #7c3aed, #2563eb);
}

.product-img {
  height: 180px;
  overflow: hidden;
}

.product-img__inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-img__inner {
  transform: scale(1.06);
}

.product-emoji { font-size: 4rem; filter: drop-shadow(0 4px 12px rgba(0,0,0,.3)); }

.product-info {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-category {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
  color: var(--clr-accent);
  margin-bottom: 6px;
}

.product-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--clr-gray-900);
  margin-bottom: 8px;
  line-height: 1.3;
}

.product-desc {
  font-size: 0.875rem;
  color: var(--clr-gray-500);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 16px;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--clr-gray-100);
}

.product-price {
  font-size: 1rem;
  font-weight: 800;
  color: var(--clr-primary);
}

.catalogue__cta {
  text-align: center;
  margin-top: 56px;
  padding: 40px;
  background: var(--clr-white);
  border-radius: var(--radius-xl);
  border: 2px dashed var(--clr-gray-200);
}

.catalogue__cta p {
  font-size: 1.05rem;
  color: var(--clr-gray-600);
  margin-bottom: 20px;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
  padding: 100px 0;
  background: linear-gradient(150deg, var(--clr-primary-dark) 0%, var(--clr-primary) 100%);
  position: relative;
  overflow: hidden;
}

.services::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,.2) 0%, transparent 70%);
  pointer-events: none;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.service-card {
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition);
}

.service-card:hover {
  background: rgba(255,255,255,.1);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,.3);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: rgba(37,99,235,.25);
  border: 1px solid rgba(37,99,235,.4);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #93c5fd;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.9rem;
  color: rgba(255,255,255,.65);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-link {
  color: #93c5fd;
  font-size: 0.875rem;
  font-weight: 600;
  transition: color var(--transition);
  display: inline-flex;
  align-items: center;
}

.service-link:hover { color: var(--clr-white); }

/* ============================================================
   LIVRAISON
   ============================================================ */
.livraison {
  padding: 100px 0;
  background: var(--clr-white);
}

.livraison__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.livraison__text h2 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 800;
  color: var(--clr-gray-900);
  margin-bottom: 16px;
  margin-top: 12px;
  line-height: 1.2;
}

.livraison__text p {
  font-size: 1.05rem;
  color: var(--clr-gray-600);
  line-height: 1.7;
  margin-bottom: 28px;
}

.livraison__list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.livraison__list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--clr-gray-700);
  font-weight: 500;
}

.livraison__list svg {
  color: var(--clr-success);
  flex-shrink: 0;
}

/* Map Visual */
.livraison__map {
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-visual {
  width: 100%;
  max-width: 380px;
  background: linear-gradient(135deg, var(--clr-gray-900) 0%, var(--clr-primary-dark) 100%);
  border-radius: var(--radius-xl);
  padding: 48px 36px;
  position: relative;
  box-shadow: var(--shadow-xl);
  text-align: center;
}

.map-pin {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  position: relative;
}

.map-pin__dot {
  width: 20px;
  height: 20px;
  background: var(--clr-accent);
  border-radius: 50%;
  border: 4px solid rgba(37,99,235,.3);
  position: relative;
  z-index: 2;
}

.map-pin__pulse {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(37,99,235,.15);
  animation: pulse 2s ease-out infinite;
}

@keyframes pulse {
  0% { transform: translate(-50%, -50%) scale(0.8); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(2.5); opacity: 0; }
}

.map-pin__label {
  color: var(--clr-white);
  font-weight: 700;
  font-size: 0.9rem;
}

.map-lines {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.map-line {
  height: 2px;
  border-radius: 2px;
  background: rgba(37,99,235,.3);
}

.ml--1 { width: 80%; margin: 0 auto; }
.ml--2 { width: 60%; margin: 0 auto; }
.ml--3 { width: 40%; margin: 0 auto; }

.map-destinations {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dest {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-full);
  padding: 6px 16px;
  color: rgba(255,255,255,.75);
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-block;
}

.dest--int {
  background: rgba(37,99,235,.2);
  border-color: rgba(37,99,235,.4);
  color: #93c5fd;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  padding: 100px 0;
  background: var(--clr-gray-50);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  align-items: start;
}

.contact__info h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--clr-gray-900);
  margin-bottom: 28px;
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-item__icon {
  width: 44px;
  height: 44px;
  background: rgba(37,99,235,.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent);
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--clr-gray-400);
  margin-bottom: 4px;
  font-weight: 700;
}

.contact-item a,
.contact-item span {
  font-size: 0.9rem;
  color: var(--clr-gray-700);
  font-weight: 500;
  transition: color var(--transition);
}

.contact-item a:hover { color: var(--clr-accent); }

/* Form */
.contact__form-wrapper {
  background: var(--clr-white);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--clr-gray-100);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
  position: relative;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--clr-gray-700);
}

.required { color: var(--clr-error); }

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--clr-gray-200);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  color: var(--clr-gray-800);
  background: var(--clr-white);
  transition: all var(--transition);
  outline: none;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.form-group input.error,
.form-group textarea.error,
.form-group select.error {
  border-color: var(--clr-error);
  box-shadow: 0 0 0 3px rgba(239,68,68,.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-error {
  font-size: 0.8rem;
  color: var(--clr-error);
  font-weight: 500;
  display: none;
  margin-top: 2px;
}

.form-error.visible { display: block; }

/* Form Success */
.form-success {
  text-align: center;
  padding: 48px 24px;
}

.form-success__icon {
  width: 72px;
  height: 72px;
  background: rgba(16,185,129,.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-success);
  margin: 0 auto 20px;
}

.form-success h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--clr-gray-900);
  margin-bottom: 10px;
}

.form-success p {
  color: var(--clr-gray-500);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--clr-gray-900);
  padding: 72px 0 32px;
}

.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer__tagline {
  font-size: 0.9rem;
  color: rgba(255,255,255,.5);
  line-height: 1.6;
  max-width: 280px;
}

.footer__social {
  display: flex;
  gap: 10px;
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.6);
  transition: all var(--transition);
}

.social-link:hover {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: var(--clr-white);
  transform: translateY(-3px);
}

.footer__col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
  color: rgba(255,255,255,.4);
  margin-bottom: 16px;
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__col a {
  font-size: 0.875rem;
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}

.footer__col a:hover { color: var(--clr-white); }

.footer__contact-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: rgba(255,255,255,.6);
}

.footer__contact-list svg {
  color: var(--clr-accent-light);
  flex-shrink: 0;
}

.footer__contact-list a {
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}

.footer__contact-list a:hover { color: var(--clr-white); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 24px;
  flex-wrap: wrap;
}

.footer__bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,.35);
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--clr-accent);
  color: var(--clr-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,99,235,.5);
  transition: all var(--transition);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  z-index: 900;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--clr-primary-light);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(37,99,235,.6);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero__content {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .hero__subtitle { margin: 0 auto 36px; }
  .hero__cta { justify-content: center; }
  .hero__stats { justify-content: center; }
  .hero__visual { display: none; }

  .footer__top {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .nav__menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--clr-primary-dark);
    flex-direction: column;
    gap: 0;
    padding: 16px;
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    border-bottom: 1px solid rgba(255,255,255,.1);
  }

  .nav__menu.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav__link {
    display: block;
    width: 100%;
    padding: 12px 16px;
    text-align: center;
  }

  .nav__phone { display: none; }

  .nav__toggle {
    display: flex;
  }

  .nav__toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav__toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .nav__toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero { padding: 100px 0 56px; }

  .livraison__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .livraison__map { order: -1; }

  .contact__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .form-row { grid-template-columns: 1fr; }

  .contact__form-wrapper { padding: 24px; }

  .footer__top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__brand { grid-column: auto; }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .trust-bar__inner {
    gap: 24px;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }

  .hero__title { font-size: 1.9rem; }
  .hero__cta { flex-direction: column; align-items: center; }
  .hero__cta .btn { width: 100%; justify-content: center; }

  .products-grid { grid-template-columns: 1fr; }

  .services-grid { grid-template-columns: 1fr; }

  .filter-tabs { gap: 6px; }
  .filter-tab { font-size: 0.8rem; padding: 8px 14px; }

  .section-title { font-size: 1.6rem; }
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-up:nth-child(2) { transition-delay: 0.1s; }
.fade-in-up:nth-child(3) { transition-delay: 0.2s; }
.fade-in-up:nth-child(4) { transition-delay: 0.3s; }