/* Modern Technology Product CSS System for Homecloud */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&family=Ubuntu:wght@400;500;700&display=swap');

:root {
  /* Color Palette - Premium Dark Mode & Vibrant Accents */
  --bg-primary: #090d16;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  --card-bg: rgba(17, 24, 39, 0.7);
  --card-border: rgba(255, 255, 255, 0.08);
  
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --accent-primary: #6366f1; /* Indigo */
  --accent-primary-hover: #4f46e5;
  --accent-secondary: #06b6d4; /* Cyan */
  --accent-secondary-hover: #0891b2;
  
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  
  /* Fonts */
  --font-display: 'Outfit', 'Ubuntu', sans-serif;
  --font-sans: 'Inter', sans-serif;
  
  /* Layout */
  --max-width: 1200px;
  --header-height: 80px;
  
  /* Transitions */
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

input, button, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: transparent;
  border: none;
  outline: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 1rem;
}

.text-gradient {
  background: linear-gradient(135deg, #ffffff 30%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-cyan-gradient {
  background: linear-gradient(135deg, #06b6d4 0%, #6366f1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Layout Utilities */
.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 968px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.025em;
}

.logo-link img {
  height: 40px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-item a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.nav-item a:hover {
  color: var(--text-primary);
}

.nav-btn {
  background: var(--accent-primary);
  color: white !important;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  font-weight: 600 !important;
}

.nav-btn:hover {
  background: var(--accent-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition-fast);
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    right: -100%;
    width: 260px;
    height: calc(100vh - var(--header-height));
    background: var(--bg-secondary);
    border-left: 1px solid var(--card-border);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    align-items: flex-start;
    transition: var(--transition-normal);
  }
  
  .nav-menu.active {
    right: 0;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
  font-family: var(--font-sans);
}

.btn-primary {
  background: var(--accent-primary);
  color: white;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  background: var(--accent-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--accent-secondary);
  color: white;
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.4);
}

.btn-accent:hover {
  background: var(--accent-secondary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.6);
}

/* Cards & Containers */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

/* Section Templates */
section {
  padding: 6rem 0;
  position: relative;
}

.hero-section {
  padding-top: 10rem;
  padding-bottom: 8rem;
  text-align: center;
  overflow: hidden;
}

.hero-title {
  font-size: 3.5rem;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

@media (max-width: 640px) {
  .hero-title { font-size: 2.25rem; }
  .hero-cta { flex-direction: column; gap: 1rem; }
}

/* App Features Grid on Homepage */
.feature-card {
  text-align: left;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent-primary);
  font-size: 1.5rem;
}

/* Interactive Wizard / Slider Setup Guide */
.wizard-container {
  max-width: 800px;
  margin: 0 auto;
}

.wizard-slides {
  position: relative;
  overflow: hidden;
  min-height: 450px;
}

.wizard-slide {
  display: none;
  animation: fadeIn 0.4s ease-in-out;
}

.wizard-slide.active {
  display: block;
}

.wizard-slide img {
  border-radius: 12px;
  margin: 1.5rem auto;
  max-height: 250px;
  object-fit: contain;
}

.wizard-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  border-top: 1px solid var(--card-border);
  padding-top: 1.5rem;
}

.wizard-dots {
  display: flex;
  gap: 8px;
}

.wizard-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-muted);
  cursor: pointer;
}

.wizard-dot.active {
  background: var(--accent-primary);
  width: 20px;
  border-radius: 5px;
}

/* Product Configurator (Detail Page) */
.product-showcase {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 968px) {
  .product-showcase {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.product-gallery {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-details h1 {
  font-size: 2.75rem;
}

.price-tag {
  font-size: 2.25rem;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--accent-secondary);
  margin: 1.5rem 0;
}

.variant-selector {
  margin: 2rem 0;
}

.variant-title {
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
}

.variant-options {
  display: flex;
  gap: 1rem;
}

.variant-btn {
  flex: 1;
  padding: 1rem;
  border: 1.5px solid var(--card-border);
  border-radius: 10px;
  text-align: center;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.02);
  transition: var(--transition-normal);
}

.variant-btn.active {
  border-color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.1);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
}

.variant-btn h3 {
  margin-bottom: 0.25rem;
}

.variant-btn span {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.form-control:focus {
  border-color: var(--accent-primary);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.15);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Order Summary */
.order-summary-box {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.summary-row.total {
  border-top: 1px solid var(--card-border);
  padding-top: 0.75rem;
  font-weight: 700;
  font-size: 1.15rem;
}

/* Blog & Articles */
.blog-card {
  overflow: hidden;
  padding: 0;
}

.blog-img {
  height: 200px;
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--card-border);
}

.blog-content {
  padding: 1.5rem;
}

.blog-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.blog-post {
  max-width: 800px;
  margin: 8rem auto 4rem;
  padding: 0 1rem;
}

.blog-post h1 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.blog-post-content {
  margin-top: 2rem;
  font-size: 1.1rem;
  color: var(--text-secondary);
}

.blog-post-content p {
  margin-bottom: 1.5rem;
}

.blog-post-content h2, .blog-post-content h3 {
  color: var(--text-primary);
  margin-top: 2.5rem;
}

/* Video Layout */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.video-card {
  padding: 1rem;
}

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Testimonials Grid */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 2.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.testimonials-grid:has(> :only-child) {
  max-width: 820px;
}

@media (max-width: 640px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* Footer */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--card-border);
  padding: 4rem 0 2rem;
  margin-top: 6rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 968px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-socials {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.footer-socials a {
  font-size: 1.25rem;
  color: var(--text-secondary);
}

.footer-socials a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid var(--card-border);
  padding-top: 2rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
  }
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out forwards;
}

/* FAQs accordion */
.faq-item {
  border-bottom: 1px solid var(--card-border);
  padding: 1.5rem 0;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  color: var(--text-secondary);
  margin-top: 0;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  margin-top: 1rem;
}

.faq-icon::before {
  content: '+';
  font-size: 1.25rem;
}

.faq-item.active .faq-icon::before {
  content: '-';
}