/* ===================================
   STILKART.COM.TR - Ana Stil Dosyası
   Modern, profesyonel, SEO odaklı
   =================================== */

:root {
  --primary: #1e40af;
  --primary-dark: #1e3a8a;
  --primary-light: #3b82f6;
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --dark-3: #334155;
  --gray: #64748b;
  --gray-light: #94a3b8;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --white: #ffffff;
  --success: #16a34a;
  --whatsapp: #25d366;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.18);

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --font-display: 'Manrope', 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--dark-2);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.2;
  color: var(--dark);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ TOP BAR ============ */
.top-bar {
  background: var(--dark);
  color: var(--white);
  padding: 8px 0;
  font-size: 13px;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.top-bar-left,
.top-bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.top-bar a {
  color: var(--white);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  opacity: 0.85;
  transition: var(--transition);
}

.top-bar a:hover {
  opacity: 1;
  color: var(--accent);
}

.top-bar svg {
  width: 14px;
  height: 14px;
}

/* ============ HEADER ============ */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  padding-bottom: 16px;
}

.logo {
  display: flex;
  align-items: center;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}

.logo img {
  height: 60px;
  width: auto;
  display: block;
  transition: var(--transition);
}

.logo:hover img {
  transform: scale(1.04);
}

.header.scrolled .logo img {
  height: 52px;
}

@media (max-width: 768px) {
  .logo img {
    height: 44px;
  }
  .header.scrolled .logo img {
    height: 40px;
  }
}

/* Nav */
.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--dark-2);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
  background: var(--primary-50);
}

.nav-link svg {
  width: 14px;
  height: 14px;
  transition: var(--transition);
}

.nav-item:hover .nav-link svg {
  transform: rotate(180deg);
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: var(--transition);
  z-index: 100;
}

.nav-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown a {
  display: block;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--dark-2);
  border-radius: var(--radius-sm);
}

.dropdown a:hover {
  background: var(--primary-50);
  color: var(--primary);
  padding-left: 18px;
}

/* Header CTA */
.header-cta {
  display: flex;
  gap: 10px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(30, 64, 175, 0.35);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: white;
}

.btn-whatsapp:hover {
  background: #1ea952;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
}

.btn-large {
  padding: 14px 28px;
  font-size: 16px;
}

/* Mobile menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 4px;
}

.menu-toggle span {
  width: 26px;
  height: 3px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 88vh;
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 50%, var(--primary) 100%);
  color: white;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 80px 0;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.4) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(245, 158, 11, 0.2) 0%, transparent 50%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content h1 {
  color: white;
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease;
}

.hero-content h1 span {
  background: linear-gradient(135deg, var(--accent) 0%, #fbbf24 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.2rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
  max-width: 580px;
  animation: fadeInUp 0.8s ease 0.1s both;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-cta .btn-primary {
  background: var(--accent);
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.4);
}

.hero-cta .btn-primary:hover {
  background: var(--accent-dark);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  animation: fadeInUp 0.8s ease 0.3s both;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  color: white;
  line-height: 1;
  margin-bottom: 6px;
  background: linear-gradient(135deg, white, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeIn 1s ease 0.4s both;
}

.hero-image img {
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
  transform: rotate(-2deg);
  transition: var(--transition);
  max-width: 90%;
}

.hero-image img:hover {
  transform: rotate(0) scale(1.02);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ============ SECTIONS ============ */
.section {
  padding: 90px 0;
}

.section-sm {
  padding: 60px 0;
}

.section-bg {
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--primary-50);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-header h2 {
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--gray);
  line-height: 1.6;
}

/* ============ PRODUCT GRID ============ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.product-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--gray-200);
  position: relative;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-light);
}

.product-image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--gray-50);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.08);
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  background: var(--accent);
  color: white;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 999px;
  letter-spacing: 0.5px;
}

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

.product-info h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--dark);
}

.product-info p {
  font-size: 0.9rem;
  color: var(--gray);
  margin-bottom: 16px;
  flex-grow: 1;
}

.product-link {
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
}

.product-link:hover {
  gap: 10px;
  color: var(--primary-dark);
}

/* ============ FEATURES ============ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: white;
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--primary);
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  transform: rotate(-8deg) scale(1.05);
}

.feature-icon svg {
  width: 32px;
  height: 32px;
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--gray);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ============ GALLERY (4x3) ============ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 16px;
}

.gallery-item {
  aspect-ratio: 1;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover {
  transform: scale(1.04);
  box-shadow: var(--shadow-xl);
  z-index: 2;
}

.gallery-item:hover img {
  transform: scale(1.15);
}

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(15, 23, 42, 0.7) 100%);
  opacity: 0;
  transition: var(--transition);
}

.gallery-item:hover::after {
  opacity: 1;
}

.gallery-caption {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  color: white;
  font-weight: 600;
  font-size: 14px;
  opacity: 0;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 2;
}

.gallery-item:hover .gallery-caption {
  opacity: 1;
  transform: translateY(0);
}

/* ============ Lightbox ============ */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.lightbox.active {
  display: flex;
  animation: fadeIn 0.3s ease;
}

.lightbox-img {
  max-width: 90%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 0 50px rgba(255,255,255,0.1);
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 28px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.lightbox-close:hover {
  background: rgba(255,255,255,0.2);
  transform: rotate(90deg);
}

.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }

.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--primary);
}

/* ============ ABOUT SECTION ============ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.about-image-deco {
  position: absolute;
  top: -20px;
  left: -20px;
  width: 100%;
  height: 100%;
  border: 3px solid var(--accent);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.about-content h2 {
  margin-bottom: 20px;
}

.about-content p {
  color: var(--gray);
  margin-bottom: 16px;
  font-size: 1.02rem;
  line-height: 1.7;
}

.about-list {
  list-style: none;
  margin-top: 24px;
}

.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--dark-2);
  font-weight: 500;
}

.about-list li::before {
  content: '✓';
  width: 24px;
  height: 24px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
  font-weight: bold;
}

/* ============ CONTACT FORM ============ */
.contact-section {
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 90px 0;
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(245, 158, 11, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(59, 130, 246, 0.2) 0%, transparent 50%);
}

.contact-section .container {
  position: relative;
  z-index: 2;
}

.contact-section .section-header h2 {
  color: white;
}

.contact-section .section-header p {
  color: rgba(255, 255, 255, 0.7);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: stretch;
}

.contact-info-block {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 36px;
  border-radius: var(--radius-lg);
}

.contact-info-block h3 {
  color: white;
  font-size: 1.4rem;
  margin-bottom: 24px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-info-icon svg {
  width: 22px;
  height: 22px;
}

.contact-info-text strong {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
  font-weight: 600;
}

.contact-info-text a,
.contact-info-text span {
  color: white;
  font-size: 1rem;
  font-weight: 500;
  display: block;
}

.contact-info-text a:hover {
  color: var(--accent);
}

.contact-form-block {
  background: white;
  padding: 40px;
  border-radius: var(--radius-lg);
  color: var(--dark);
  box-shadow: var(--shadow-xl);
}

.contact-form-block h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.contact-form-block > p {
  color: var(--gray);
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--dark-2);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 14px;
  background: var(--gray-50);
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 4px rgba(30, 64, 175, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 110px;
}

.form-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 8px;
}

/* ============ FOOTER ============ */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-about p {
  margin: 16px 0;
  font-size: 0.95rem;
  line-height: 1.7;
}

.footer-about .logo img {
  height: 70px;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  transform: translateY(-3px);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

.footer h4 {
  color: white;
  font-size: 1.05rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.93rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 6px;
}

.footer-contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.92rem;
  align-items: flex-start;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact-item a {
  color: rgba(255, 255, 255, 0.85);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  text-align: center;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom strong {
  color: var(--accent);
}

/* ============ FLOATING BUTTONS ============ */
.float-whatsapp {
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 60px;
  height: 60px;
  background: var(--whatsapp);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  z-index: 999;
  cursor: pointer;
  transition: var(--transition);
}

.float-whatsapp:hover {
  transform: scale(1.12);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.5);
}

.float-whatsapp svg {
  width: 32px;
  height: 32px;
}

.float-whatsapp::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid var(--whatsapp);
  animation: pulse 2s ease-out infinite;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.5); opacity: 0; }
}

.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 52px;
  height: 52px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
}

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

.scroll-top:hover {
  background: var(--primary-dark);
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(30, 64, 175, 0.4);
}

.scroll-top svg {
  width: 22px;
  height: 22px;
}

/* ============ PAGE HEADER (inner pages) ============ */
.page-header {
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 75% 50%, rgba(245, 158, 11, 0.12) 0%, transparent 60%);
}

.page-header .container {
  position: relative;
  z-index: 2;
}

.page-header h1 {
  color: white;
  margin-bottom: 16px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  flex-wrap: wrap;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
}

.breadcrumb a:hover {
  color: var(--accent);
}

.breadcrumb span {
  color: var(--accent);
}

/* ============ CONTENT BLOCKS ============ */
.content-block {
  max-width: 800px;
  margin: 0 auto;
}

.content-block h2 {
  margin: 40px 0 16px;
  font-size: 1.6rem;
}

.content-block h3 {
  margin: 28px 0 12px;
  font-size: 1.3rem;
  color: var(--primary);
}

.content-block p {
  color: var(--dark-3);
  margin-bottom: 16px;
  line-height: 1.75;
  font-size: 1.02rem;
}

.content-block ul {
  margin: 16px 0 24px 0;
  padding-left: 0;
}

.content-block li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 10px;
  color: var(--dark-3);
  line-height: 1.65;
}

.content-block li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
}

/* ============ DETAIL LAYOUT ============ */
.detail-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  margin-bottom: 60px;
}

.detail-image {
  position: sticky;
  top: 100px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  align-self: start;
}

.detail-content h1 {
  margin-bottom: 8px;
  font-size: 2.2rem;
}

.detail-tagline {
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 24px;
  font-size: 1.05rem;
}

.detail-features {
  background: var(--gray-50);
  padding: 24px;
  border-radius: var(--radius);
  margin: 24px 0;
}

.detail-features h4 {
  font-size: 1rem;
  margin-bottom: 12px;
}

.detail-features ul {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.detail-features li {
  font-size: 0.92rem;
  color: var(--dark-3);
  display: flex;
  align-items: center;
  gap: 8px;
}

.detail-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: bold;
}

.detail-cta {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .product-grid,
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(4, 1fr);
  }
  .hero .container,
  .about-grid,
  .contact-grid,
  .detail-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .detail-image { position: static; }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  .nav {
    position: fixed;
    top: 72px;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: calc(100vh - 72px);
    background: white;
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    box-shadow: var(--shadow-xl);
    transition: right 0.3s ease;
    overflow-y: auto;
  }
  .nav.open {
    right: 0;
  }
  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding-left: 16px;
    display: none;
  }
  .nav-item.open .dropdown {
    display: block;
  }
  .header-cta .btn:not(.btn-whatsapp) {
    display: none;
  }
  .top-bar {
    font-size: 12px;
  }
  .top-bar-left a:not(:first-child) {
    display: none;
  }
  .product-grid,
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(6, 1fr);
    gap: 10px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .form-buttons {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .stat-num { font-size: 1.8rem; }
  .detail-features ul {
    grid-template-columns: 1fr;
  }
  .float-whatsapp {
    width: 54px;
    height: 54px;
    bottom: 16px;
    left: 16px;
  }
  .scroll-top {
    width: 46px;
    height: 46px;
    bottom: 16px;
    right: 16px;
  }
}

@media (max-width: 480px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .container { padding: 0 16px; }
  .section { padding: 60px 0; }
  .hero { padding: 50px 0; }
  .contact-form-block {
    padding: 28px 20px;
  }
  .contact-info-block {
    padding: 24px 20px;
  }
}