/* ========================================
   IT-Street - High-Tech Corporate Styles
   ======================================== */

/* CSS Variables */
:root {
    /* Color Palette */
    --color-primary: #1A202C;        /* Deep Dark Blue */
    --color-secondary: #2D3748;      /* Steel Gray */
    --color-accent: #3182CE;         /* Electric Blue */
    --color-accent-light: #63B3ED;   /* Light Electric Blue */
    --color-accent-glow: rgba(49, 130, 206, 0.4);

    /* Neutrals */
    --color-white: #FFFFFF;
    --color-gray-100: #F7FAFC;
    --color-gray-200: #EDF2F7;
    --color-gray-300: #E2E8F0;
    --color-gray-400: #CBD5E0;
    --color-gray-500: #A0AEC0;
    --color-gray-600: #718096;
    --color-gray-700: #4A5568;
    --color-gray-800: #2D3748;
    --color-gray-900: #1A202C;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #3182CE 0%, #63B3ED 100%);
    --gradient-accent: linear-gradient(135deg, #3182CE 0%, #4299E1 50%, #63B3ED 100%);
    --gradient-dark: linear-gradient(180deg, rgba(26, 32, 44, 0.9) 0%, rgba(26, 32, 44, 0.95) 100%);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-nfs: 'NFS', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(49, 130, 206, 0.3);
    --shadow-accent: 0 0 20px var(--color-accent-glow);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --transition-cubic: cubic-bezier(0.4, 0, 0.2, 1);

    /* Container */
    --container-max: 1280px;
}

/* NFS Font */
@font-face {
    font-family: 'NFS';
    src: local('Arial Black'), local('Impact'), sans-serif;
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

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

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

body {
    font-family: var(--font-family);
    background-color: var(--color-primary);
    color: var(--color-gray-200);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

ul {
    list-style: none;
}

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

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(26, 32, 44, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
    padding-top: 10px;
    padding-bottom: 10px;
}

.navbar.scrolled {
    background: rgba(26, 32, 44, 0.95);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: inline-block;
    transition: transform var(--transition-base);
    margin-right: 40px;
}

.logo:hover {
    transform: scale(1.02);
}

.logo-img {
    height: 50px;
    width: auto;
    display: block;
    filter: brightness(0) invert(1);
}

.navbar.scrolled .logo-img {
    filter: brightness(0) invert(1) drop-shadow(0 0 8px rgba(59, 130, 246, 0.5));
}

.nav-links {
    display: flex;
    gap: var(--spacing-2xl);
}

.nav-links a {
    color: var(--color-gray-300);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: var(--spacing-sm) 0;
}

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

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

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

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

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-base);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
    white-space: nowrap;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(49, 130, 206, 0.5);
}

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

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

.btn-ghost {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.15);
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1920 1080"><defs><linearGradient id="grad1" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:%231A202C;stop-opacity:1" /><stop offset="100%" style="stop-color:%232D3748;stop-opacity:1" /></linearGradient></defs><rect fill="url(%23grad1)" width="1920" height="1080"/><circle cx="200" cy="300" r="150" fill="rgba(49,130,206,0.1)"/><circle cx="1700" cy="800" r="200" fill="rgba(49,130,206,0.08)"/><circle cx="960" cy="540" r="300" fill="rgba(49,130,206,0.05)"/><rect x="400" y="200" width="2" height="400" fill="rgba(49,130,206,0.2)"/><rect x="600" y="200" width="2" height="400" fill="rgba(49,130,206,0.2)"/><rect x="800" y="200" width="2" height="400" fill="rgba(49,130,206,0.2)"/><rect x="1000" y="200" width="2" height="400" fill="rgba(49,130,206,0.2)"/><rect x="1200" y="200" width="2" height="400" fill="rgba(49,130,206,0.2)"/><rect x="1400" y="200" width="2" height="400" fill="rgba(49,130,206,0.2)"/><rect x="1600" y="200" width="2" height="400" fill="rgba(49,130,206,0.2)"/><rect x="300" y="100" width="1400" height="2" fill="rgba(49,130,206,0.2)"/><rect x="300" y="200" width="1400" height="2" fill="rgba(49,130,206,0.2)"/><rect x="300" y="300" width="1400" height="2" fill="rgba(49,130,206,0.2)"/><rect x="300" y="400" width="1400" height="2" fill="rgba(49,130,206,0.2)"/><rect x="300" y="500" width="1400" height="2" fill="rgba(49,130,206,0.2)"/></svg>');
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(26, 32, 44, 0.7) 100%);
}

/* Server room background image */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(135deg, rgba(26, 32, 44, 0.85) 0%, rgba(45, 55, 72, 0.8) 100%),
        url('images/placeholders/hero-server.svg');
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 50%, rgba(49, 130, 206, 0.1) 0%, transparent 70%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(49, 130, 206, 0.15);
    border: 1px solid rgba(49, 130, 206, 0.3);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--color-accent-light);
    margin-bottom: var(--spacing-2xl);
    backdrop-filter: blur(10px);
}

.pulse {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.03em;
}

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

.nfs-text {
    font-family: 'Orbitron', sans-serif;
    font-weight: 900;
    font-size: 1.3em;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-style: italic;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-400);
    max-width: 600px;
    margin: 0 auto var(--spacing-2xl);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-3xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-white);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-top: var(--spacing-xs);
}

.scroll-indicator {
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-500);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-arrow {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-gray-600);
    border-radius: 12px;
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 0.5;
        transform: translateX(-50%) translateY(12px);
    }
}

/* ========================================
   Section Styles
   ======================================== */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-block;
    background: rgba(49, 130, 206, 0.15);
    color: var(--color-accent-light);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(49, 130, 206, 0.2);
}

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

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-400);
    line-height: 1.7;
}

/* ========================================
   Services Section
   ======================================== */
.services {
    background: var(--color-primary);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(49, 130, 206, 0.3), transparent);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    max-width: 100%;
}

.service-card {
    background: linear-gradient(145deg, rgba(45, 55, 72, 0.5) 0%, rgba(26, 32, 44, 0.8) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100%;
    word-wrap: break-word;
}

.service-card[onclick] {
    cursor: pointer;
}

.service-card[onclick]:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(49, 130, 206, 0.3);
    box-shadow: var(--shadow-glow);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: transform var(--transition-slow);
}

.service-card[onclick]:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: rgba(49, 130, 206, 0.15);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-accent);
}

.service-icon svg {
    width: 36px;
    height: 36px;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.service-desc {
    color: var(--color-gray-400);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.service-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
    margin-top: auto;
}

.service-features li {
    font-size: 0.8125rem;
    color: var(--color-gray-300);
    position: relative;
    padding-left: var(--spacing-lg);
    padding-top: var(--spacing-xs);
    word-wrap: break-word;
    overflow-wrap: break-word;
    line-height: 1.4;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-accent);
    font-weight: 700;
    font-size: 0.75rem;
}

/* ========================================
   Portfolio Section
   ======================================== */
.portfolio {
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--spacing-2xl);
}

.portfolio-item {
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

.portfolio-item:hover {
    transform: translateY(-8px);
    transition: transform var(--transition-base);
}

.portfolio-image {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    border-radius: var(--radius-xl);
    border: 2px solid rgba(255, 255, 255, 0.15);
}

.portfolio-blur {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(135deg, rgba(26, 32, 44, 0.7) 0%, rgba(45, 55, 72, 0.5) 100%),
        url('images/placeholders/office-building.svg');
    background-size: cover;
    background-position: center;
    filter: blur(8px);
    transform: scale(1.1);
}

.portfolio-item:nth-child(2) .portfolio-blur {
    background:
        linear-gradient(135deg, rgba(26, 32, 44, 0.7) 0%, rgba(45, 55, 72, 0.5) 100%),
        url('images/placeholders/server-room.svg');
    background-size: cover;
    background-position: center;
}

.portfolio-item:nth-child(3) .portfolio-blur {
    background:
        linear-gradient(135deg, rgba(26, 32, 44, 0.7) 0%, rgba(45, 55, 72, 0.5) 100%),
        url('images/placeholders/office-building.svg');
    background-size: cover;
    background-position: center;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(26, 32, 44, 0.8) 0%, rgba(26, 32, 44, 0.95) 100%);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: var(--spacing-2xl);
    opacity: 0;
    transition: all var(--transition-slow);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.portfolio-info p {
    color: var(--color-gray-400);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-lg);
}

.portfolio-tags {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.portfolio-tags li {
    background: rgba(49, 130, 206, 0.2);
    color: var(--color-accent-light);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(49, 130, 206, 0.3);
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    background: var(--color-primary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-info {
    padding: var(--spacing-2xl) 0;
}

.contact-text {
    color: var(--color-gray-400);
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-2xl);
}

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

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

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(49, 130, 206, 0.15);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-xs);
}

.contact-value {
    color: var(--color-white);
    font-weight: 500;
}

.contact-value:hover {
    color: var(--color-accent);
}

.contact-form-wrapper {
    background: linear-gradient(145deg, rgba(45, 55, 72, 0.5) 0%, rgba(26, 32, 44, 0.8) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
}

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

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

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-300);
}

.form-group input,
.form-group select,
.form-group textarea {
    background: rgba(26, 32, 44, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    font-family: var(--font-family);
    font-size: 1rem;
    color: var(--color-white);
    transition: all var(--transition-base);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-500);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.15);
}

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background: var(--color-primary);
    color: var(--color-white);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-privacy {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    text-align: center;
    margin-top: var(--spacing-md);
}

.form-privacy a {
    color: var(--color-accent);
    text-decoration: underline;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--color-gray-900);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--spacing-3xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
    color: var(--color-gray-500);
    margin-top: var(--spacing-lg);
    max-width: 300px;
}

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

.footer-column h4 {
    color: var(--color-white);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

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

.footer-column a {
    color: var(--color-gray-500);
    font-size: 0.9rem;
    transition: color var(--transition-base);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
}

.footer-bottom p {
    color: var(--color-gray-600);
    font-size: 0.875rem;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-2px);
}

.footer-social svg {
    width: 20px;
    height: 20px;
}

.footer-brand .logo-img {
    height: 50px;
}

/* ========================================
   Service Detail Pages
   ======================================== */
.service-detail {
    padding: 120px 0 80px;
    min-height: 100vh;
}

.service-detail-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.service-detail-badge {
    display: inline-block;
    background: rgba(49, 130, 206, 0.15);
    color: var(--color-accent-light);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    border: 1px solid rgba(49, 130, 206, 0.2);
}

.service-detail-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

.service-detail-content {
    max-width: 900px;
    margin: 0 auto;
}

.service-detail-section {
    background: linear-gradient(145deg, rgba(45, 55, 72, 0.5) 0%, rgba(26, 32, 44, 0.8) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.service-detail-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.service-detail-section p {
    color: var(--color-gray-400);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.service-detail-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(49, 130, 206, 0.15);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    flex-shrink: 0;
}

.feature-text h4 {
    color: var(--color-white);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.feature-text p {
    color: var(--color-gray-500);
    font-size: 0.875rem;
    line-height: 1.6;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: var(--spacing-xl);
    transition: color var(--transition-base);
}

.back-btn:hover {
    color: var(--color-accent-light);
}

.cta-section {
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.cta-section h3 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
}

.cta-section p {
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Server Configs (servers.html) */
.server-configs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.config-card {
    background: rgba(26, 32, 44, 0.6);
    border: 1px solid rgba(49, 130, 206, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

.config-card h4 {
    color: var(--color-white);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.config-card ul {
    list-style: none;
}

.config-card li {
    color: var(--color-gray-400);
    font-size: 0.875rem;
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
}

.config-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* Pricing Grid (outsourcing.html) */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.pricing-card {
    background: rgba(26, 32, 44, 0.6);
    border: 1px solid rgba(49, 130, 206, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
}

.pricing-card h4 {
    color: var(--color-white);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.pricing-card .price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.pricing-card ul {
    list-style: none;
    text-align: left;
}

.pricing-card li {
    color: var(--color-gray-400);
    font-size: 0.875rem;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .contact-info {
        order: 2;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(26, 32, 44, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        z-index: 999;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        font-size: 1.1rem;
        padding: var(--spacing-md) 0;
        display: block;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .navbar .btn {
        display: none;
    }

    .logo-img {
        height: 70px;
    }

    .footer-brand .logo-img {
        height: 60px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-xl);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }

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

    .service-features {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-2xl: 2rem;
        --spacing-3xl: 3rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .contact-form-wrapper {
        padding: var(--spacing-xl);
    }
}

/* ========================================
   Animations
   ======================================== */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

[data-aos^="zoom"] {
    transform: scale(0.95);
}

/* Loading Animation */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(49, 130, 206, 0.2);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ========================================
   FAQ Section
   ======================================== */
.faq {
    background: var(--color-gray-100);
    padding: var(--spacing-3xl) 0;
}

.faq-grid {
    display: grid;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.faq-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(49, 130, 206, 0.15);
    border-color: var(--color-accent);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin: 0;
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin: 0;
}

.faq-icon {
    flex-shrink: 0;
    color: var(--color-accent);
    transition: transform 0.3s ease;
}

.faq-item:hover .faq-icon {
    transform: rotate(90deg);
}

/* ========================================
   Modal Styles
   ======================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: var(--spacing-xl);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    max-width: 700px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    padding: var(--spacing-2xl);
    position: relative;
    transform: scale(0.9) translateY(20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--color-gray-100);
    border: none;
    border-radius: var(--radius-full);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--color-gray-600);
}

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

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin: 0 0 var(--spacing-lg) 0;
    padding-right: 50px;
}

.modal-body {
    color: var(--color-gray-700);
    line-height: 1.8;
    font-size: 1rem;
}

.modal-body strong {
    color: var(--color-accent);
}

.modal-body a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

.modal-body a:hover {
    color: var(--color-accent-light);
    text-decoration: underline;
}

/* Modal scrollbar */
.modal::-webkit-scrollbar {
    width: 8px;
}

.modal::-webkit-scrollbar-track {
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
}

.modal::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: var(--radius-md);
}

.modal::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-light);
}

/* ========================================
   SEO Section
   ======================================== */
.seo-section {
    background: linear-gradient(180deg, var(--color-secondary) 0%, var(--color-primary) 100%);
    padding: 80px 0;
}

.seo-content {
    max-width: 1200px;
    margin: 0 auto;
}

.seo-content h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 40px;
    text-align: center;
    letter-spacing: -0.02em;
}

.seo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.seo-item {
    background: linear-gradient(145deg, rgba(45, 55, 72, 0.5) 0%, rgba(26, 32, 44, 0.8) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: 30px;
    transition: all var(--transition-base);
}

.seo-item:hover {
    transform: translateY(-4px);
    border-color: rgba(49, 130, 206, 0.3);
    box-shadow: var(--shadow-glow);
}

.seo-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 15px;
}

.seo-item p {
    color: var(--color-gray-400);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Responsive SEO Section */
@media (max-width: 768px) {
    .seo-section {
        padding: 60px 0;
    }

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

    .seo-content h2 {
        font-size: 1.5rem;
    }

    .seo-item {
        padding: 20px;
    }
}

/* Responsive FAQ */
@media (max-width: 768px) {
    .faq {
        padding: var(--spacing-2xl) 0;
    }

    .faq-item {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .faq-question h3 {
        font-size: 1rem;
    }

    .modal {
        padding: var(--spacing-xl);
        max-height: 90vh;
    }

    .modal-title {
        font-size: 1.25rem;
    }

    .modal-body {
        font-size: 0.95rem;
    }
}