/* Solar Peak Advisory - Main Stylesheet */
/* Mobile-first responsive design with futuristic solar theme */

/* ==================== CSS CUSTOM PROPERTIES ==================== */
:root {
  /* Brand Colors - Solar Theme */
  --color-primary: #FF8C00;
  --color-primary-light: #FFA500;
  --color-primary-dark: #CC7000;
  --color-secondary: #0EA5E9;
  --color-secondary-light: #38BDF8;
  --color-secondary-dark: #0284C7;
  --color-accent-neon: #00F5FF;
  --color-accent-gold: #FFD700;
  
  /* Neutrals */
  --color-dark: #0F172A;
  --color-dark-secondary: #1E293B;
  --color-gray: #475569;
  --color-light-gray: #CBD5E1;
  --color-white: #FFFFFF;
  --color-off-white: #F8FAFC;
  
  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #334155 100%);
  --gradient-solar: linear-gradient(135deg, #FF8C00 0%, #FFA500 100%);
  --gradient-sky: linear-gradient(180deg, #0EA5E9 0%, #38BDF8 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
  
  /* Shadows & Effects */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
  --shadow-xl: 0 12px 40px rgba(0,0,0,0.25);
  --shadow-neon: 0 0 20px rgba(0,245,255,0.5);
  --shadow-glow: 0 0 30px rgba(255,140,0,0.3);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Space Grotesk', 'Inter', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Layout */
  --container-max-width: 1280px;
  --header-height: 70px;
}

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

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

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--color-off-white);
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ==================== SKIP TO CONTENT (ACCESSIBILITY) ==================== */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-md);
  z-index: 10000;
  border-radius: 0 0 var(--radius-md) 0;
  font-weight: 600;
}

.skip-to-content:focus {
  top: 0;
  outline: 3px solid var(--color-accent-neon);
  outline-offset: 2px;
}

/* ==================== TYPOGRAPHY ==================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-dark);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
  margin-bottom: var(--spacing-md);
}

.text-gradient {
  background: var(--gradient-solar);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ==================== LAYOUT CONTAINERS ==================== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Mobile: 320px default padding */
@media (min-width: 320px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
}

/* Tablet: 768px */
@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}

/* Desktop: 1024px */
@media (min-width: 1024px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
}

/* Large Desktop: 1440px */
@media (min-width: 1440px) {
  .container {
    padding: 0 var(--spacing-2xl);
  }
}

/* ==================== HEADER & NAVIGATION ==================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-lg);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--header-height);
}

.site-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--gradient-solar);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

/* Mobile Menu Button */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-xs);
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
}

@media (max-width: 767px) {
  .mobile-menu-toggle {
    display: flex;
  }
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all var(--transition-normal);
  border-radius: var(--radius-full);
}

.mobile-menu-toggle:hover {
  border-color: var(--color-primary);
}

.mobile-menu-toggle:focus {
  outline: 2px solid var(--color-accent-neon);
  outline-offset: 2px;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Navigation */
.main-nav {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

@media (max-width: 767px) {
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: var(--spacing-lg);
    gap: var(--spacing-sm);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-normal);
    pointer-events: none;
    box-shadow: var(--shadow-xl);
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
  }
  
  .main-nav.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
}

.nav-link {
  color: var(--color-white);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover, .nav-link:focus {
  color: var(--color-primary);
  background: rgba(255, 140, 0, 0.1);
}

.nav-link:focus {
  outline: 2px solid var(--color-accent-neon);
  outline-offset: 2px;
}

.nav-link.active {
  color: var(--color-primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

@media (max-width: 767px) {
  .nav-link {
    width: 100%;
    padding: var(--spacing-md);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .nav-link.active::after {
    display: none;
  }
}

/* CTA Button in Nav */
.nav-cta-btn {
  background: var(--gradient-solar);
  color: var(--color-white);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-weight: 600;
  box-shadow: var(--shadow-glow);
  transition: all var(--transition-normal);
}

.nav-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(255, 140, 0, 0.5);
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition-normal);
  cursor: pointer;
  text-align: center;
  border: 2px solid transparent;
  font-size: 1rem;
}

.btn:focus {
  outline: 3px solid var(--color-accent-neon);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--gradient-solar);
  color: var(--color-white);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px rgba(255, 140, 0, 0.6);
}

.btn-secondary {
  background: var(--gradient-sky);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px rgba(14, 165, 233, 0.5);
}

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

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-glass {
  background: var(--gradient-glass);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  backdrop-filter: blur(10px);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--color-accent-neon);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.125rem;
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.875rem;
}

/* ==================== HERO SECTION ==================== */
.hero {
  position: relative;
  background: var(--gradient-hero);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0;
  overflow: hidden;
  min-height: 600px;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(255, 140, 0, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(14, 165, 233, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(255, 255, 255, 0.03) 2px,
      rgba(255, 255, 255, 0.03) 4px
    );
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  margin-bottom: var(--spacing-xl);
  color: var(--color-light-gray);
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-top: var(--spacing-xl);
}

@media (max-width: 767px) {
  .hero {
    padding: var(--spacing-2xl) 0;
    min-height: 500px;
  }
  
  .hero-cta-group {
    flex-direction: column;
  }
  
  .hero-cta-group .btn {
    width: 100%;
  }
}

/* ==================== SECTIONS ==================== */
section {
  padding: var(--spacing-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-subtitle {
  color: var(--color-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
}

.section-title {
  margin-bottom: var(--spacing-md);
}

.section-description {
  font-size: 1.125rem;
  color: var(--color-gray);
  margin-bottom: 0;
}

/* ==================== CARDS ==================== */
.card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

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

.card-glass {
  background: var(--gradient-glass);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-solar);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-glow);
}

.card h3 {
  margin-bottom: var(--spacing-sm);
}

.card p {
  color: var(--color-gray);
  margin-bottom: var(--spacing-md);
}

.card-glass p {
  color: var(--color-light-gray);
}

/* ==================== GRID LAYOUTS ==================== */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-3 {
  grid-template-columns: 1fr;
}

.grid-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ==================== FORMS ==================== */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-dark);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  transition: all var(--transition-fast);
  background: var(--color-white);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.1);
}

.form-input.error, .form-select.error, .form-textarea.error {
  border-color: #EF4444;
}

.form-error {
  color: #EF4444;
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
  display: none;
}

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

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

/* ==================== FOOTER ==================== */
.site-footer {
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0 var(--spacing-lg) 0;
}

.footer-content {
  display: grid;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-content {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-section h3 {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
}

.footer-section p, .footer-section a {
  color: var(--color-light-gray);
  line-height: 1.8;
}

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

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

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.contact-icon {
  color: var(--color-primary);
  font-size: 1.25rem;
  margin-top: 2px;
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: var(--color-light-gray);
  font-size: 0.875rem;
}

.footer-legal-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-top: var(--spacing-sm);
}

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

/* ==================== TESTIMONIALS ==================== */
.testimonial-card {
  background: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  position: relative;
  border-left: 4px solid var(--color-primary);
}

.testimonial-text {
  font-size: 1.125rem;
  font-style: italic;
  margin-bottom: var(--spacing-md);
  color: var(--color-dark-secondary);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  background: var(--gradient-solar);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 700;
  font-size: 1.25rem;
}

.testimonial-info h4 {
  margin-bottom: 0;
  font-size: 1rem;
}

.testimonial-role {
  color: var(--color-gray);
  font-size: 0.875rem;
}

/* ==================== GALLERY / PROJECTS ==================== */
.project-filters {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-white);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.filter-btn:hover, .filter-btn:focus {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-btn.active {
  background: var(--gradient-solar);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.project-item {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
}

.project-item:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}

.project-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-item:hover img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.95), transparent);
  padding: var(--spacing-lg);
  transform: translateY(100%);
  transition: transform var(--transition-normal);
  color: var(--color-white);
}

.project-item:hover .project-overlay {
  transform: translateY(0);
}

.project-category {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: var(--spacing-xs);
}

.project-title {
  font-size: 1.25rem;
  margin-bottom: 0;
}

/* ==================== LIGHTBOX ==================== */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  position: relative;
  max-width: 90%;
  max-height: 90%;
}

.lightbox img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
}

.lightbox-close {
  position: absolute;
  top: -50px;
  right: 0;
  background: var(--color-white);
  color: var(--color-dark);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lightbox-close:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: rotate(90deg);
}

/* ==================== PRICING ==================== */
.pricing-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.pricing-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary);
}

.pricing-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-xl);
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: 20px;
  right: -30px;
  background: var(--gradient-solar);
  color: var(--color-white);
  padding: var(--spacing-xs) 40px;
  transform: rotate(45deg);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.pricing-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--color-off-white);
}

.pricing-name {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-dark);
}

.pricing-price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.pricing-period {
  color: var(--color-gray);
  font-size: 1rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.pricing-features li {
  padding: var(--spacing-sm) 0;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.pricing-features li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.25rem;
}

/* ==================== BLOG ==================== */
.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.blog-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.blog-content {
  padding: var(--spacing-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-meta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--color-gray);
}

.blog-category {
  color: var(--color-primary);
  font-weight: 600;
}

.blog-title {
  margin-bottom: var(--spacing-sm);
  font-size: 1.5rem;
}

.blog-title a {
  color: var(--color-dark);
  transition: color var(--transition-fast);
}

.blog-title a:hover {
  color: var(--color-primary);
}

.blog-excerpt {
  color: var(--color-gray);
  margin-bottom: var(--spacing-md);
  flex: 1;
}

.read-more {
  color: var(--color-primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: gap var(--transition-fast);
}

.read-more:hover {
  gap: var(--spacing-sm);
}

/* Blog Post */
.blog-post-header {
  margin-bottom: var(--spacing-2xl);
}

.blog-post-title {
  margin-bottom: var(--spacing-md);
}

.blog-post-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  margin: var(--spacing-lg) 0;
}

.blog-post-content {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.125rem;
  line-height: 1.8;
}

.blog-post-content h2, .blog-post-content h3 {
  margin-top: var(--spacing-xl);
}

.blog-post-content img {
  border-radius: var(--radius-lg);
  margin: var(--spacing-lg) 0;
}

/* ==================== MODAL ==================== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  max-width: 500px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow-xl);
  text-align: center;
}

.modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 32px;
  height: 32px;
  background: var(--color-off-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: rotate(90deg);
}

.modal-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-solar);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto var(--spacing-lg);
}

.modal h2 {
  margin-bottom: var(--spacing-md);
}

.modal p {
  color: var(--color-gray);
  margin-bottom: var(--spacing-lg);
}

/* ==================== COOKIE BANNER ==================== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-xl);
  z-index: 9998;
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}

.cookie-banner.active {
  transform: translateY(0);
}

.cookie-banner-content {
  max-width: var(--container-max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1;
  min-width: 250px;
}

.cookie-text p {
  margin-bottom: 0;
  color: var(--color-light-gray);
}

.cookie-text a {
  color: var(--color-primary);
}

.cookie-actions {
  display: flex;
  gap: var(--spacing-sm);
}

@media (max-width: 767px) {
  .cookie-banner-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .cookie-actions {
    width: 100%;
  }
  
  .cookie-actions .btn {
    flex: 1;
  }
}

/* ==================== UTILITIES ==================== */
.text-center {
  text-align: center;
}

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.hidden {
  display: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn var(--transition-slow) ease forwards;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-slow);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ==================== FOCUS STYLES ==================== */
*:focus-visible {
  outline: 3px solid var(--color-accent-neon);
  outline-offset: 2px;
}

/* ==================== PRINT STYLES ==================== */
@media print {
  .site-header, .site-footer, .cookie-banner, .modal, .lightbox {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  a {
    text-decoration: underline;
  }
}