/* ===================================
   Bulutsoft Landing Page Styles
   Glassmorphism & Gradient Modern Design
   =================================== */

/* CSS Custom Properties */
:root {
    /* Colors */
    --color-bg-primary: #0a1628;
    --color-bg-secondary: #0d1d33;
    --color-royal-blue: #1a237e;
    --color-deep-blue: #0d47a1;
    --color-cyan: #00d4ff;
    --color-cyan-light: #4fc3f7;
    --color-cyan-pale: #80deea;
    --color-white: #ffffff;
    --color-white-soft: rgba(255, 255, 255, 0.9);
    --color-text-primary: rgba(255, 255, 255, 0.95);
    --color-text-secondary: rgba(255, 255, 255, 0.7);
    --color-text-muted: rgba(255, 255, 255, 0.5);
    
    /* Glass Effects */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-bg-hover: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-border-hover: rgba(255, 255, 255, 0.2);
    --glass-blur: 20px;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #4fc3f7 50%, #ffffff 100%);
    --gradient-glow: radial-gradient(circle, rgba(0, 212, 255, 0.3) 0%, transparent 70%);
    --gradient-bg: linear-gradient(180deg, #0a1628 0%, #0d1d33 50%, #1a237e 100%);
    
    /* Shadows */
    --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.3);
    --shadow-glow-strong: 0 0 60px rgba(0, 212, 255, 0.5);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
}

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

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

body {
    font-family: var(--font-primary);
    background: var(--gradient-bg);
    background-attachment: fixed;
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Selection Styling */
::selection {
    background: rgba(0, 212, 255, 0.3);
    color: var(--color-white);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===================================
   Floating Background Elements
   =================================== */
.floating-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.floating-sphere {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(0, 212, 255, 0.3), transparent);
    filter: blur(2px);
    animation: float-drift 20s infinite ease-in-out;
}

.sphere-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: -5%;
    animation-delay: 0s;
}

.sphere-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: -3%;
    animation-delay: -7s;
}

.sphere-3 {
    width: 150px;
    height: 150px;
    top: 30%;
    right: 20%;
    opacity: 0.5;
    animation-delay: -14s;
}

.floating-cloud {
    position: absolute;
    width: 200px;
    height: 100px;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.1), transparent);
    border-radius: 50%;
    filter: blur(10px);
    animation: float-drift 25s infinite ease-in-out;
}

.cloud-1 {
    top: 20%;
    right: 10%;
    animation-delay: -5s;
}

.cloud-2 {
    top: 70%;
    left: 5%;
    animation-delay: -15s;
}

.code-snippet {
    position: absolute;
    font-family: 'Courier New', monospace;
    font-size: 1.5rem;
    color: rgba(0, 212, 255, 0.2);
    animation: float-drift 30s infinite ease-in-out;
}

.snippet-1 {
    top: 25%;
    left: 10%;
    animation-delay: -3s;
}

.snippet-2 {
    top: 55%;
    right: 15%;
    animation-delay: -12s;
}

.snippet-3 {
    top: 80%;
    left: 30%;
    animation-delay: -20s;
}

@keyframes float-drift {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(20px, -30px) rotate(5deg);
    }
    50% {
        transform: translate(-10px, 20px) rotate(-3deg);
    }
    75% {
        transform: translate(30px, 10px) rotate(3deg);
    }
}

/* ===================================
   Navigation
   =================================== */
.glass-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 22, 40, 0.7);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition-base);
}

.glass-nav.scrolled {
    background: rgba(10, 22, 40, 0.9);
    box-shadow: var(--shadow-soft);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-white);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-base);
}

.nav-links a:hover {
    color: var(--color-white);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: var(--spacing-xs) var(--spacing-md) !important;
    border-radius: var(--radius-sm);
    transition: var(--transition-base) !important;
}

.nav-cta:hover {
    background: var(--glass-bg-hover);
    border-color: var(--color-cyan);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.nav-cta::after {
    display: none !important;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition-base);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 120px var(--spacing-lg) var(--spacing-xxl);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
    max-width: 1200px;
    width: 100%;
}

.hero-text {
    z-index: 1;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.03em;
}

.title-line {
    display: block;
}

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

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    max-width: 500px;
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #00d4ff 0%, #0097a7 100%);
    color: var(--color-bg-primary);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4),
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.5),
                inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: var(--transition-slow);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--color-white);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--glass-bg-hover);
    border-color: var(--color-cyan);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
}

.btn-arrow {
    width: 20px;
    height: 20px;
    transition: var(--transition-base);
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}

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

.cloud-3d {
    position: relative;
    width: 100%;
    max-width: 500px;
    animation: cloud-float 6s ease-in-out infinite;
}

.cloud-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.4) 0%, transparent 60%);
    filter: blur(40px);
    animation: glow-pulse 4s ease-in-out infinite;
}

.cloud-main svg {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 212, 255, 0.3));
}

.cloud-particles span {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--color-cyan);
    border-radius: 50%;
    animation: particle-float 3s infinite ease-in-out;
    opacity: 0.6;
}

.cloud-particles span:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; }
.cloud-particles span:nth-child(2) { top: 30%; right: 15%; animation-delay: 0.5s; }
.cloud-particles span:nth-child(3) { bottom: 30%; left: 20%; animation-delay: 1s; }
.cloud-particles span:nth-child(4) { bottom: 20%; right: 25%; animation-delay: 1.5s; }
.cloud-particles span:nth-child(5) { top: 50%; left: 50%; animation-delay: 2s; }

@keyframes cloud-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes glow-pulse {
    0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

@keyframes particle-float {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.6; }
    50% { transform: translateY(-15px) scale(1.2); opacity: 1; }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 0.85rem;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    opacity: 0.6;
}

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

/* ===================================
   Section Styles
   =================================== */
section {
    position: relative;
    z-index: 1;
    padding: var(--spacing-xxl) 0;
}

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

.section-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    color: var(--color-cyan);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.section-description {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
}

/* ===================================
   Glass Card
   =================================== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
    transition: var(--transition-base);
}

.glass-card:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    transform: translateY(-5px);
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition-slow);
    pointer-events: none;
}

.glass-card:hover .card-glow {
    opacity: 1;
}

/* ===================================
   Services Section
   =================================== */
.services {
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.2) 50%, transparent 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

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

.service-card.featured {
    transform: scale(1.05);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--shadow-glow);
}

.service-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.featured-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: linear-gradient(135deg, #00d4ff 0%, #0097a7 100%);
    color: var(--color-bg-primary);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.card-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.card-features {
    list-style: none;
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.card-features li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card-features li::before {
    content: '✓';
    color: var(--color-cyan);
    font-weight: 600;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-cyan);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-base);
}

.card-link svg {
    width: 18px;
    height: 18px;
    transition: var(--transition-base);
}

.card-link:hover {
    color: var(--color-cyan-light);
}

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

/* ===================================
   Features Section
   =================================== */
.features {
    padding: var(--spacing-xxl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xxl);
}

.feature-item {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.feature-item:hover {
    background: var(--glass-bg-hover);
    transform: translateX(5px);
}

.feature-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
}

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

.feature-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-white);
}

.feature-content p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* Stats */
.features-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-cyan);
    line-height: 1;
}

.stat-suffix {
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-cyan);
}

.stat-label {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: var(--spacing-xxl) 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.about-text .section-tag,
.about-text .section-title {
    text-align: left;
}

.about-description {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-values {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.value-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-primary);
    font-weight: 500;
}

.value-icon {
    color: var(--color-cyan);
    font-size: 1.2rem;
}

.about-card {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-pattern {
    position: relative;
    width: 80%;
    height: 80%;
}

.pattern-line {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-cyan), transparent);
    opacity: 0.5;
    animation: line-pulse 3s infinite ease-in-out;
}

.pattern-line:nth-child(1) { top: 30%; left: 0; width: 100%; animation-delay: 0s; }
.pattern-line:nth-child(2) { top: 50%; left: 10%; width: 80%; animation-delay: 1s; }
.pattern-line:nth-child(3) { top: 70%; left: 20%; width: 60%; animation-delay: 2s; }

.pattern-circle {
    position: absolute;
    border: 1px solid var(--color-cyan);
    border-radius: 50%;
    opacity: 0.3;
    animation: circle-pulse 4s infinite ease-in-out;
}

.pattern-circle:nth-child(4) {
    width: 100px;
    height: 100px;
    top: 20%;
    right: 10%;
    animation-delay: 0s;
}

.pattern-circle:nth-child(5) {
    width: 60px;
    height: 60px;
    bottom: 20%;
    left: 20%;
    animation-delay: 2s;
}

@keyframes line-pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.7; }
}

@keyframes circle-pulse {
    0%, 100% { transform: scale(1); opacity: 0.2; }
    50% { transform: scale(1.1); opacity: 0.5; }
}

/* ===================================
   CTA Section
   =================================== */
.cta {
    padding: var(--spacing-xxl) 0;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    padding: var(--spacing-xxl);
}

.cta-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-description {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
}

.cta-form {
    text-align: left;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-base);
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-cyan);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.input-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    opacity: 0;
    transition: var(--transition-base);
    border-radius: var(--radius-sm);
    box-shadow: inset 0 0 20px rgba(0, 212, 255, 0.1);
}

.form-group input:focus ~ .input-glow,
.form-group textarea:focus ~ .input-glow {
    opacity: 1;
}

.cta-form .btn {
    width: 100%;
    justify-content: center;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid var(--glass-border);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-md);
}

.footer-tagline {
    color: var(--color-text-secondary);
    max-width: 250px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.footer-column h4 {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-column a {
    display: block;
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--spacing-xs) 0;
    transition: var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-cyan);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--glass-border);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-subtitle {
        margin: 0 auto var(--spacing-xl);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
        margin-bottom: var(--spacing-xl);
    }
    
    .cloud-3d {
        max-width: 350px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .service-card.featured {
        transform: none;
    }
    
    .service-card.featured:hover {
        transform: translateY(-5px);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .features-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-text .section-tag,
    .about-text .section-title {
        text-align: center;
    }
    
    .about-description {
        text-align: center;
    }
    
    .about-values {
        justify-content: center;
    }
    
    .about-visual {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        margin-bottom: var(--spacing-lg);
    }
    
    .footer-brand .logo {
        justify-content: center;
    }
    
    .footer-tagline {
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 22, 40, 0.95);
        backdrop-filter: blur(var(--glass-blur));
        flex-direction: column;
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--glass-border);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-xxl: 3rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .features-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}

/* ===================================
   Animations on Scroll (AOS-like)
   =================================== */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translate(0);
}

/* ===================================
   Accessibility
   =================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .floating-elements {
        display: none;
    }
}

/* Focus Styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-cyan);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .floating-elements,
    .glass-nav,
    .scroll-indicator {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
}