/* ===========================
   CSS Variables & Reset
   =========================== */

:root {
    /* Color Palette - Tech/Container Theme */
    --primary: #EE0000;
    --primary-dark: #CC0000;
    --primary-light: #FF3333;
    --secondary: #0066CC;
    --secondary-dark: #004C99;
    --accent: #00B8E3;

    /* Neutral Colors */
    --dark: #0A0E27;
    --dark-blue: #151B3D;
    --gray-900: #1A1F3A;
    --gray-800: #252B4A;
    --gray-700: #383E5C;
    --gray-600: #4A516E;
    --gray-500: #6B7280;
    --gray-400: #9CA3AF;
    --gray-300: #D1D5DB;
    --gray-200: #E5E7EB;
    --gray-100: #F3F4F6;
    --white: #FFFFFF;

    /* Functional Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --info: #3B82F6;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* 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);
    --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-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-300);
    background-color: var(--dark);
    overflow-x: hidden;
}

/* ===========================
   Typography
   =========================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

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

/* ===========================
   Layout
   =========================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

section {
    padding: var(--spacing-3xl) 0;
}

/* ===========================
   Header
   =========================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.header.scrolled {
    background-color: rgba(10, 14, 39, 0.95);
    box-shadow: var(--shadow-lg);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--white);
}

.logo svg {
    color: var(--primary);
}

/* ===========================
   Hero Section
   =========================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-300) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--gray-400);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

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

.hero-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--gray-300);
    font-size: 1rem;
}

.hero-feature svg {
    color: var(--accent);
    flex-shrink: 0;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 184, 227, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 184, 227, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(238, 0, 0, 0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.1); }
}

/* ===========================
   Stats Section
   =========================== */

.stats {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--gray-900) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    text-align: center;
}

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

.stat-number {
    display: inline-block;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--primary);
    font-family: var(--font-mono);
}

.stat-suffix {
    display: inline-block;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--primary);
    font-family: var(--font-mono);
    margin-left: 0.25rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--gray-400);
    margin-top: var(--spacing-xs);
}

/* ===========================
   Section Headers
   =========================== */

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
}

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

.section-header p {
    font-size: 1.25rem;
    color: var(--gray-400);
}

/* ===========================
   Services Section
   =========================== */

.services {
    background-color: var(--dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--dark-blue) 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(238, 0, 0, 0.1);
}

.service-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-md);
    color: var(--primary);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--gray-400);
    line-height: 1.7;
}

/* ===========================
   Process Section
   =========================== */

.process {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--gray-900) 100%);
}

.process-timeline {
    max-width: 900px;
    margin: 0 auto;
}

.process-step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    position: relative;
}

.process-step:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 38px;
    top: 80px;
    bottom: -40px;
    width: 2px;
    background: linear-gradient(180deg, var(--primary) 0%, transparent 100%);
}

.step-number {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--white);
    font-family: var(--font-mono);
    flex-shrink: 0;
    box-shadow: 0 0 30px rgba(238, 0, 0, 0.3);
}

.step-content {
    padding-top: var(--spacing-sm);
}

.step-content h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    color: var(--gray-400);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .process-step {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .process-step:not(:last-child)::before {
        display: none;
    }
}

/* ===========================
   Benefits Section
   =========================== */

.benefits {
    background-color: var(--dark);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.benefit-card {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--dark-blue) 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.benefit-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 20px 40px rgba(0, 184, 227, 0.1);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    filter: grayscale(30%);
}

.benefit-card h3 {
    font-size: 1.375rem;
    margin-bottom: var(--spacing-sm);
}

.benefit-card p {
    color: var(--gray-400);
    line-height: 1.7;
}

/* ===========================
   Trust Section
   =========================== */

.trust {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--gray-900) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
    max-width: 1000px;
    margin: 0 auto;
}

.trust-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.trust-badge svg {
    color: var(--accent);
    opacity: 0.8;
    transition: all var(--transition-base);
}

.trust-badge:hover svg {
    opacity: 1;
    transform: scale(1.1);
}

.badge-label {
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-300);
    text-align: center;
}

/* ===========================
   Testimonials Section
   =========================== */

.testimonials {
    background-color: var(--dark);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--dark-blue) 100%);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    transition: all var(--transition-base);
}

.testimonial-card:hover {
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-xl);
}

.testimonial-content p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--gray-300);
    font-style: italic;
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
}

.author-avatar svg {
    color: var(--accent);
}

.author-name {
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.25rem;
}

.author-title {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* ===========================
   Footer
   =========================== */

.footer {
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--dark) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    margin-bottom: var(--spacing-xl);
}

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

.footer-description {
    color: var(--gray-400);
    max-width: 400px;
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* ===========================
   Animations
   =========================== */

.fade-in {
    animation: fadeIn 1s ease-out;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

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

/* ===========================
   Responsive Design
   =========================== */

@media (max-width: 768px) {
    section {
        padding: var(--spacing-2xl) 0;
    }

    .hero {
        min-height: 90vh;
    }

    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .services-grid,
    .benefits-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
}

@media (max-width: 480px) {
    .stats-grid,
    .trust-grid {
        grid-template-columns: 1fr;
    }
}