/* ========================================
   SolarTech - Solar Power Plant Website
   Modern, Clean, Energy-Focused Design
   ======================================== */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Space+Mono:wght@400;700&display=swap');

/* ========================================
   CSS Variables & Design Tokens
   ======================================== */
:root {
    /* Primary Colors - Solar Energy Theme */
    --color-sun-gold: #f59e0b;
    --color-sun-amber: #fbbf24;
    --color-sun-orange: #ea580c;
    --color-sun-yellow: #facc15;
    
    /* Dark Theme - Night Sky */
    --color-space-dark: #030712;
    --color-space-navy: #0a1628;
    --color-space-blue: #1e3a5f;
    --color-space-steel: #334155;
    
    /* Light Colors */
    --color-white: #ffffff;
    --color-light: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    
    /* Accent Colors */
    --color-eco-green: #22c55e;
    --color-sky-blue: #0ea5e9;
    
    /* Gradients */
    --gradient-sun: linear-gradient(135deg, var(--color-sun-orange) 0%, var(--color-sun-gold) 50%, var(--color-sun-yellow) 100%);
    --gradient-sky: linear-gradient(180deg, var(--color-space-navy) 0%, var(--color-space-blue) 100%);
    --gradient-glow: radial-gradient(ellipse at center, rgba(251, 191, 36, 0.15) 0%, transparent 70%);
    
    /* Typography */
    --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Space Mono', monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(245, 158, 11, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-600);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

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

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-space-navy);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
}

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

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.125rem;
}

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

p:last-child {
    margin-bottom: 0;
}

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

.overline {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-sun-gold);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.overline::before {
    content: '';
    width: 2rem;
    height: 2px;
    background: var(--gradient-sun);
    border-radius: var(--radius-full);
}

/* ========================================
   Layout & Container
   ======================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--space-4xl) 0;
}

.section-lg {
    padding: var(--space-4xl) 0 calc(var(--space-4xl) * 1.5);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--color-gray-500);
    margin-top: var(--space-md);
}

.bg-dark {
    background: var(--color-space-navy);
    color: var(--color-gray-300);
}

.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 {
    color: var(--color-white);
}

.bg-light {
    background: var(--color-light);
}

.bg-gradient {
    background: var(--gradient-sky);
    position: relative;
}

.bg-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-glow);
    pointer-events: none;
}

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-lg) 0;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    padding: var(--space-md) 0;
}

.header.scrolled .logo {
    color: var(--color-space-navy);
}

.header.scrolled .nav-link {
    color: var(--color-gray-600);
}

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
    color: var(--color-sun-gold);
}

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

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-white);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-sun);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
}

.logo-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--color-white);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    position: relative;
    padding: var(--space-sm) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-sun);
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-white);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-cta {
    margin-left: var(--space-lg);
}

/* Mobile Navigation Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.header.scrolled .nav-toggle span {
    background: var(--color-space-navy);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-sun);
    color: var(--color-space-navy);
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(245, 158, 11, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--color-space-navy);
    border: 2px solid var(--color-gray-200);
}

.btn-outline:hover {
    border-color: var(--color-sun-gold);
    color: var(--color-sun-gold);
}

.btn-dark {
    background: var(--color-space-navy);
    color: var(--color-white);
}

.btn-dark:hover {
    background: var(--color-space-blue);
    transform: translateY(-2px);
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    background: var(--gradient-sky);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 100px;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 55%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1509391366360-2e959784a276?w=1200&h=900&fit=crop') center/cover no-repeat;
    opacity: 0.5;
    mask-image: linear-gradient(to left, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
    -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
}

/* Sun Glow Effect */
.hero::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(251, 191, 36, 0.2) 0%, rgba(245, 158, 11, 0.1) 30%, transparent 70%);
    animation: sunPulse 8s ease-in-out infinite;
}

@keyframes sunPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

/* Floating Particles */
.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-sun-gold);
    border-radius: 50%;
    opacity: 0.6;
    animation: float 15s infinite linear;
}

@keyframes float {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { transform: translateY(-100vh) rotate(720deg); opacity: 0; }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-sun-amber);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.hero-badge svg {
    width: 16px;
    height: 16px;
    fill: var(--color-sun-gold);
}

.hero h1 {
    color: var(--color-white);
    margin-bottom: var(--space-lg);
}

.hero h1 .highlight {
    position: relative;
    display: inline-block;
}

.hero h1 .highlight::before {
    content: '';
    position: absolute;
    bottom: 0.1em;
    left: 0;
    right: 0;
    height: 0.3em;
    background: var(--gradient-sun);
    opacity: 0.3;
    z-index: -1;
    border-radius: var(--radius-sm);
}

.hero p {
    font-size: 1.25rem;
    color: var(--color-gray-300);
    margin-bottom: var(--space-2xl);
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.hero-stats {
    display: flex;
    gap: var(--space-3xl);
    margin-top: var(--space-4xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stat {
    text-align: left;
}

.hero-stat-value {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-sun-gold);
    line-height: 1;
}

.hero-stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    margin-top: var(--space-xs);
}

/* Hero Image/Visual */
.hero-visual {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 45%;
    height: 80%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solar-panel-illustration {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
    position: relative;
}

/* ========================================
   Features/Services Grid
   ======================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.feature-card {
    background: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-100);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-sun);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

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

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(251, 191, 36, 0.1) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-sun-gold);
    stroke-width: 1.5;
    fill: none;
}

.feature-card h4 {
    margin-bottom: var(--space-sm);
}

.feature-card p {
    color: var(--color-gray-500);
    font-size: 0.9375rem;
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    color: var(--color-sun-gold);
    margin-top: var(--space-lg);
    font-size: 0.9375rem;
}

.feature-link svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

.feature-link:hover svg {
    transform: translateX(4px);
}

/* ========================================
   Stats Section
   ======================================== */
.stats-section {
    background: var(--color-space-navy);
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(245, 158, 11, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 50%, rgba(14, 165, 233, 0.1) 0%, transparent 40%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    position: relative;
    z-index: 1;
}

.stat-card {
    text-align: center;
    padding: var(--space-2xl);
}

.stat-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-lg);
    background: rgba(245, 158, 11, 0.15);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-sun-gold);
    fill: none;
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.stat-label {
    color: var(--color-gray-400);
    font-size: 0.9375rem;
}

/* ========================================
   About/Info Section
   ======================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-sun);
    opacity: 0.1;
    z-index: 1;
}

.img-placeholder {
    background: var(--gradient-sky);
    display: flex;
    align-items: center;
    justify-content: center;
}

.img-placeholder svg {
    opacity: 0.3;
}

.about-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--gradient-sun);
    padding: var(--space-lg) var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-glow);
    text-align: center;
    z-index: 2;
}

.about-badge-value {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-space-navy);
    line-height: 1;
}

.about-badge-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-space-navy);
    opacity: 0.8;
    margin-top: var(--space-xs);
}

.about-content h2 {
    margin-bottom: var(--space-lg);
}

.about-content > p {
    font-size: 1.0625rem;
    color: var(--color-gray-500);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin: var(--space-2xl) 0;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 500;
    color: var(--color-space-navy);
}

.about-feature svg {
    width: 20px;
    height: 20px;
    stroke: var(--color-eco-green);
    flex-shrink: 0;
}

/* ========================================
   Services/Solutions Section
   ======================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    border: 1px solid var(--color-gray-100);
    transition: all var(--transition-base);
    position: relative;
}

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

.service-number {
    font-family: var(--font-mono);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-gray-100);
    line-height: 1;
    margin-bottom: var(--space-lg);
}

.service-card h4 {
    margin-bottom: var(--space-md);
    color: var(--color-space-navy);
}

.service-card p {
    color: var(--color-gray-500);
    font-size: 0.9375rem;
    margin-bottom: var(--space-lg);
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.service-features svg {
    width: 16px;
    height: 16px;
    stroke: var(--color-sun-gold);
    flex-shrink: 0;
}

/* ========================================
   Projects/Portfolio Section
   ======================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.project-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.project-image {
    height: 220px;
    background: var(--gradient-sky);
    position: relative;
    overflow: hidden;
}

.project-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 22, 40, 0.4) 0%, transparent 50%);
    z-index: 1;
}

.project-tag {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    background: var(--gradient-sun);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-space-navy);
}

.project-content {
    padding: var(--space-xl);
}

.project-card h4 {
    margin-bottom: var(--space-sm);
}

.project-card p {
    color: var(--color-gray-500);
    font-size: 0.9375rem;
    margin-bottom: var(--space-md);
}

.project-stats {
    display: flex;
    gap: var(--space-xl);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-gray-100);
}

.project-stat {
    text-align: left;
}

.project-stat-value {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-sun-gold);
}

.project-stat-label {
    font-size: 0.75rem;
    color: var(--color-gray-400);
}

/* ========================================
   Testimonials Section
   ======================================== */
.testimonials-section {
    background: var(--color-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.testimonial-card {
    background: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    position: relative;
    transition: var(--transition-base);
    cursor: pointer;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border: 2px solid var(--color-sun-gold);
}

.testimonial-card a {
    display: block;
}

.testimonial-card .testimonial-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-card::before {
    content: '"';
    font-family: Georgia, serif;
    font-size: 6rem;
    color: var(--color-sun-gold);
    opacity: 0.15;
    position: absolute;
    top: 0;
    left: var(--space-lg);
    line-height: 1;
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: var(--space-lg);
}

.testimonial-rating svg {
    width: 18px;
    height: 18px;
    fill: var(--color-sun-gold);
}

.testimonial-text {
    font-size: 1.0625rem;
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
    position: relative;
    z-index: 1;
}

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

.testimonial-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-sun);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--color-space-navy);
    font-size: 0.875rem;
}

.testimonial-info h5 {
    color: var(--color-space-navy);
    margin-bottom: 2px;
}

.testimonial-info span {
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    background: var(--gradient-sky);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(251, 191, 36, 0.15) 0%, transparent 60%);
    animation: sunPulse 8s ease-in-out infinite;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    color: var(--color-white);
    margin-bottom: var(--space-lg);
}

.cta-content p {
    font-size: 1.125rem;
    color: var(--color-gray-300);
    margin-bottom: var(--space-2xl);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ========================================
   Contact Section
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-4xl);
}

.contact-info h3 {
    margin-bottom: var(--space-lg);
}

.contact-info > p {
    color: var(--color-gray-500);
    margin-bottom: var(--space-2xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

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

.contact-item-icon {
    width: 48px;
    height: 48px;
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--color-sun-gold);
}

.contact-item-content h5 {
    color: var(--color-space-navy);
    margin-bottom: var(--space-xs);
}

.contact-item-content p, .contact-item-content a {
    color: var(--color-gray-500);
    font-size: 0.9375rem;
}

.contact-item-content a:hover {
    color: var(--color-sun-gold);
}

.contact-form-wrapper {
    background: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    font-weight: 500;
    color: var(--color-space-navy);
    font-size: 0.9375rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: var(--space-md) var(--space-lg);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all var(--transition-fast);
    background: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-sun-gold);
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.1);
}

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

.form-submit {
    margin-top: var(--space-lg);
}

.form-submit .btn {
    width: 100%;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-space-dark);
    color: var(--color-gray-400);
    padding-top: var(--space-4xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-3xl);
    padding-bottom: var(--space-3xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    margin-bottom: var(--space-lg);
}

.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-sun-gold);
}

.footer-social svg {
    width: 18px;
    height: 18px;
    fill: var(--color-gray-400);
    transition: fill var(--transition-fast);
}

.footer-social a:hover svg {
    fill: var(--color-space-navy);
}

.footer-column h5 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: var(--space-lg);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-sun-gold);
    padding-left: var(--space-sm);
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    font-size: 0.9375rem;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xl) 0;
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: var(--space-xl);
}

.footer-legal a:hover {
    color: var(--color-sun-gold);
}

/* ========================================
   Page Heroes (Inner Pages)
   ======================================== */
.page-hero {
    background: var(--gradient-sky);
    padding: 160px 0 80px;
    position: relative;
    overflow: hidden;
}

.page-hero::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1508514177221-188b1cf16e9d?w=800&h=600&fit=crop') center/cover no-repeat;
    opacity: 0.1;
    mask-image: linear-gradient(to left, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0) 100%);
    -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0) 100%);
}

.page-hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(251, 191, 36, 0.15) 0%, transparent 60%);
}

.page-hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.page-hero h1 {
    color: var(--color-white);
    margin-bottom: var(--space-lg);
}

.page-hero p {
    font-size: 1.25rem;
    color: var(--color-gray-300);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--color-gray-400);
    margin-bottom: var(--space-lg);
}

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

.breadcrumb svg {
    width: 14px;
    height: 14px;
}

/* ========================================
   Team Section
   ======================================== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.team-card {
    text-align: center;
}

.team-image {
    width: 180px;
    height: 180px;
    margin: 0 auto var(--space-lg);
    border-radius: var(--radius-full);
    background: var(--gradient-sky);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.team-image::before {
    content: '';
    position: absolute;
    inset: 4px;
    background: var(--color-space-navy);
    border-radius: var(--radius-full);
}

.team-image svg {
    position: relative;
    z-index: 1;
    width: 60px;
    height: 60px;
    stroke: var(--color-sun-gold);
    opacity: 0.5;
}

.team-card h4 {
    margin-bottom: var(--space-xs);
}

.team-card span {
    font-size: 0.875rem;
    color: var(--color-sun-gold);
}

/* ========================================
   Process/Timeline Section
   ======================================== */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    position: relative;
}

.process-grid::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 60px;
    right: 60px;
    height: 2px;
    background: var(--color-gray-200);
}

.process-step {
    text-align: center;
    position: relative;
}

.process-number {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    background: var(--color-white);
    border: 3px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-400);
    position: relative;
    z-index: 1;
    transition: all var(--transition-base);
}

.process-step:hover .process-number {
    background: var(--gradient-sun);
    border-color: var(--color-sun-gold);
    color: var(--color-space-navy);
    transform: scale(1.1);
}

.process-step h4 {
    margin-bottom: var(--space-sm);
}

.process-step p {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
}

/* ========================================
   FAQ Section
   ======================================== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-gray-200);
}

.faq-question {
    width: 100%;
    padding: var(--space-xl) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-space-navy);
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-sun-gold);
}

.faq-icon {
    width: 24px;
    height: 24px;
    stroke: var(--color-gray-400);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    stroke: var(--color-sun-gold);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding-bottom: var(--space-xl);
    color: var(--color-gray-500);
    line-height: 1.7;
}

/* ========================================
   Animations & Reveals
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Counter Animation */
.counter {
    display: inline-block;
}

/* ========================================
   Responsive Styles
   ======================================== */
@media (max-width: 1024px) {
    .hero-visual {
        display: none;
    }
    
    .features-grid,
    .services-grid,
    .projects-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
    
    .about-image {
        order: -1;
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-2xl);
    }
    
    .process-grid::before {
        display: none;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-space-navy);
        flex-direction: column;
        justify-content: center;
        gap: var(--space-xl);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu .nav-link {
        font-size: 1.5rem;
        color: var(--color-white);
    }
    
    .nav-cta {
        margin-left: 0;
    }
	.logo span {
        line-height: 0.8;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero {
        padding-top: 120px;
        padding-bottom: var(--space-4xl);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-xl);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .features-grid,
    .services-grid,
    .projects-grid,
    .testimonials-grid,
    .stats-grid,
    .team-grid,
    .process-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group.full-width {
        grid-column: span 1;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Utility Classes
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-1 { margin-top: var(--space-md); }
.mt-2 { margin-top: var(--space-xl); }
.mt-3 { margin-top: var(--space-2xl); }
.mb-1 { margin-bottom: var(--space-md); }
.mb-2 { margin-bottom: var(--space-xl); }
.mb-3 { margin-bottom: var(--space-2xl); }

.hidden { display: none; }
.visible { display: block; }

/* ========================================
   WhatsApp Floating Button
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 9999;
    transition: all var(--transition-base);
    animation: whatsappPulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

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

@keyframes whatsappPulse {
    0% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6); }
    100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: white;
    color: var(--color-space-navy);
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }
    
    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
    
    .whatsapp-tooltip {
        display: none;
    }
}
