/* Root Variables - Dark Futuristic Theme */
:root {
    /* Dark Mode Colors */
    --bg-primary: #0A0E27;
    --bg-secondary: #111827;
    --bg-card: #1A1F36;
    --bg-elevated: #1E293B;

    /* Blue/Teal Neon Accents */
    --accent-cyan: #06B6D4;
    --accent-teal: #14B8A6;
    --accent-blue: #3B82F6;
    --accent-electric: #0EA5E9;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #06B6D4 0%, #3B82F6 100%);
    --gradient-glow: linear-gradient(135deg, #06B6D4 0%, #14B8A6 50%, #3B82F6 100%);

    /* Text Colors */
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;

    /* Borders & Dividers */
    --border-subtle: rgba(148, 163, 184, 0.1);
    --border-medium: rgba(148, 163, 184, 0.2);

    /* Glow Effects */
    --glow-cyan: 0 0 20px rgba(6, 182, 212, 0.5);
    --glow-blue: 0 0 30px rgba(59, 130, 246, 0.4);
    --glow-strong: 0 0 40px rgba(6, 182, 212, 0.6), 0 0 80px rgba(59, 130, 246, 0.3);

    /* Shadows */
    --shadow-elevation: 0 20px 50px -12px rgba(0, 0, 0, 0.5);
    --shadow-card: 0 10px 30px -5px rgba(0, 0, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: 4rem; }
h2 { font-size: 3rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-strong);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

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

.btn-secondary {
    background: transparent;
    color: var(--accent-cyan);
    border: 2px solid var(--accent-cyan);
}

.btn-secondary:hover {
    background: rgba(6, 182, 212, 0.1);
    box-shadow: var(--glow-cyan);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 14, 39, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 900;
}

.logo-icon {
    font-size: 2rem;
    filter: drop-shadow(var(--glow-cyan));
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--accent-cyan);
}

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

.btn-primary-nav {
    background: var(--gradient-primary);
    color: white !important;
    padding: 10px 24px;
    border-radius: 8px;
    box-shadow: var(--glow-cyan);
}

.btn-primary-nav::after {
    display: none;
}

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

.mobile-menu-toggle span {
    width: 26px;
    height: 3px;
    background: var(--accent-cyan);
    border-radius: 2px;
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-card);
        flex-direction: column;
        padding: 20px;
        gap: 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        border-top: 1px solid var(--border-medium);
        z-index: 1000;
    }

    .nav-menu a::after {
        display: none;
    }

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 30%, rgba(59, 130, 246, 0.15) 0%, transparent 50%);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background:
        linear-gradient(90deg, var(--bg-primary) 1px, transparent 1px),
        linear-gradient(0deg, var(--bg-primary) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.03;
}

.hero-content {
    text-align: center;
    padding: 80px 0;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 10px 20px;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 24px;
    color: var(--accent-cyan);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 32px;
    box-shadow: var(--glow-cyan);
}

.hero-title {
    font-size: 5rem;
    font-weight: 900;
    margin-bottom: 32px;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.gradient-text {
    display: block;
    background: var(--gradient-glow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(var(--glow-blue));
    animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 48px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 80px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 80px;
    justify-content: center;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
    position: relative;
}

.stat::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 900;
    background: var(--gradient-glow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-top: 20px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-top: 8px;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    .hero-stats {
        gap: 40px;
    }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 20px;
    color: var(--accent-cyan);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.section-header h2 {
    margin-bottom: 20px;
    background: var(--gradient-glow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Problem Section */
.problem-section {
    padding: 120px 0;
    background: var(--bg-secondary);
    position: relative;
}

.problem-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.problem-card {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(6, 182, 212, 0.05), transparent);
    transition: left 0.6s;
}

.problem-card:hover::before {
    left: 100%;
}

.problem-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.problem-icon {
    font-size: 3.5rem;
    margin-bottom: 24px;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.problem-card:hover .problem-icon {
    filter: grayscale(0%);
}

.problem-card h3 {
    margin-bottom: 16px;
    color: var(--text-primary);
}

.problem-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Services Section */
.services-section {
    padding: 120px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 48px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-card), var(--glow-cyan);
    transform: translateY(-8px);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 24px;
    display: block;
}

.service-card h3 {
    margin-bottom: 16px;
    color: var(--text-primary);
}

.service-card > p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.7;
}

.service-features {
    list-style: none;
    margin-bottom: 28px;
}

.service-features li {
    padding: 10px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 28px;
}

.service-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: bold;
    font-size: 1.2rem;
}

.service-impact {
    margin-top: 24px;
}

.impact-badge {
    display: inline-block;
    padding: 10px 20px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--glow-cyan);
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

/* Timeline Section */
.how-it-works {
    padding: 120px 0;
    background: var(--bg-secondary);
    position: relative;
}

.how-it-works::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}

.timeline {
    max-width: 1000px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: 40px;
    margin-bottom: 60px;
    position: relative;
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 31px;
    top: 70px;
    width: 2px;
    height: calc(100% + 20px);
    background: linear-gradient(180deg, var(--accent-cyan) 0%, transparent 100%);
}

.timeline-marker {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    z-index: 1;
    box-shadow: var(--glow-cyan);
    position: relative;
}

.timeline-marker::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid rgba(6, 182, 212, 0.3);
    animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.3);
        opacity: 0;
    }
}

.timeline-content {
    flex: 1;
    background: var(--bg-card);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
    transition: all 0.3s ease;
}

.timeline-content:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.timeline-content h3 {
    margin-bottom: 12px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.timeline-duration {
    color: var(--accent-teal);
    font-weight: 600;
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.timeline-deliverables {
    list-style: none;
    margin-top: 20px;
}

.timeline-deliverables li {
    padding: 8px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 28px;
}

.timeline-deliverables li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: bold;
}

@media (max-width: 768px) {
    .timeline-item {
        flex-direction: column;
        gap: 20px;
    }
    .timeline-item::after {
        display: none;
    }
}

/* ROI Calculator */
.roi-calculator-section {
    padding: 120px 0;
}

.calculator-wrapper {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    background: var(--bg-card);
    padding: 60px;
    border-radius: 24px;
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-elevation);
    position: relative;
    overflow: hidden;
}

.calculator-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.calculator-inputs {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.input-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.input-group input,
.input-group select {
    padding: 14px 18px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-medium);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.calculator-results {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.calculator-results h3 {
    text-align: center;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.result-card {
    background: var(--bg-elevated);
    padding: 28px;
    border-radius: 16px;
    text-align: center;
    border: 1px solid var(--border-subtle);
    transition: all 0.3s ease;
}

.result-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.result-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.result-value {
    font-size: 2rem;
    font-weight: 900;
    background: var(--gradient-glow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@media (max-width: 768px) {
    .calculator-wrapper {
        grid-template-columns: 1fr;
        padding: 32px;
    }
    .result-grid {
        grid-template-columns: 1fr;
    }
}

/* Case Studies */
.case-studies {
    padding: 120px 0;
    background: var(--bg-secondary);
    position: relative;
}

.case-studies::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}

.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.case-study-card {
    background: var(--bg-card);
    padding: 48px;
    border-radius: 20px;
    border: 1px solid var(--border-subtle);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.case-study-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-card), var(--glow-cyan);
}

.case-study-industry {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-cyan);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 16px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.case-study-card h3 {
    margin-bottom: 20px;
    color: var(--text-primary);
}

.case-study-card p {
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

.case-study-metrics {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.metric {
    flex: 1;
    min-width: 90px;
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Guarantee Section */
.guarantee-section {
    padding: 120px 0;
}

.guarantee-box {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 2px solid var(--accent-cyan);
    padding: 72px;
    border-radius: 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--glow-strong);
}

.guarantee-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
}

.guarantee-box > * {
    position: relative;
    z-index: 1;
}

.guarantee-icon {
    font-size: 4.5rem;
    margin-bottom: 32px;
    filter: drop-shadow(var(--glow-cyan));
}

.guarantee-box h2 {
    color: var(--text-primary);
    margin-bottom: 24px;
}

.guarantee-box p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: var(--text-secondary);
}

.guarantee-options {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 650px;
    margin: 0 auto 32px;
}

.guarantee-option {
    display: flex;
    align-items: center;
    gap: 16px;
    text-align: left;
    background: var(--bg-elevated);
    padding: 20px 28px;
    border-radius: 12px;
    border: 1px solid var(--border-medium);
}

.check-icon {
    font-size: 1.75rem;
    font-weight: bold;
    color: var(--accent-cyan);
}

.guarantee-subtitle {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@media (max-width: 768px) {
    .guarantee-box {
        padding: 48px 32px;
    }
}

/* CTA Section */
.cta-section {
    padding: 120px 0;
    background: var(--bg-secondary);
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.cta-content h2 {
    margin-bottom: 20px;
    background: var(--gradient-glow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-content > p {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: 48px;
}

.contact-form {
    background: var(--bg-card);
    padding: 56px;
    border-radius: 20px;
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-elevation);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-medium);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
}

.contact-form button {
    width: 100%;
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    .contact-form {
        padding: 32px;
    }
}

/* Footer */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-subtle);
    padding: 80px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-column h4 {
    margin-bottom: 24px;
    color: var(--text-primary);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 14px;
}

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-column a:hover {
    color: var(--accent-cyan);
    padding-left: 4px;
}

.footer-column p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.footer-bottom {
    border-top: 1px solid var(--border-subtle);
    padding-top: 32px;
    text-align: center;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-cyan);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-teal);
}

/* Selection */
::selection {
    background: var(--accent-cyan);
    color: var(--bg-primary);
}

/* Technology Stack Section */
.tech-stack-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.tech-category h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--accent-cyan);
}

.tech-icons {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 20px;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.tech-item:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
    transform: translateY(-4px);
}

.tech-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: 10px;
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-cyan);
    border: 2px solid rgba(6, 182, 212, 0.3);
}

.tech-icon.aws {
    background: linear-gradient(135deg, #FF9900 0%, #FF6600 100%);
    color: white;
    border: none;
}

.tech-icon.ai {
    background: linear-gradient(135deg, #00D4FF 0%, #0066FF 100%);
    color: white;
    border: none;
}

.tech-icon.code {
    background: linear-gradient(135deg, #14B8A6 0%, #06B6D4 100%);
    color: white;
    border: none;
}

.tech-icon.db {
    background: linear-gradient(135deg, #8B5CF6 0%, #6366F1 100%);
    color: white;
    border: none;
}

.tech-item span {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-align: center;
}

/* About / Experience Section */
.about-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

.experience-content {
    margin-top: 60px;
}

.experience-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.highlight-card {
    background: var(--bg-card);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
}

.highlight-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: var(--glow-cyan);
    transform: translateY(-4px);
}

.highlight-number {
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
}

.highlight-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.experience-timeline {
    margin-bottom: 60px;
}

.timeline-item-exp {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 12px;
    border-left: 4px solid var(--accent-cyan);
    margin-bottom: 30px;
    transition: all 0.3s ease;
}

.timeline-item-exp:hover {
    box-shadow: var(--shadow-card), var(--glow-cyan);
    transform: translateX(8px);
}

.timeline-year {
    color: var(--accent-teal);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.timeline-content-exp h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.company {
    color: var(--accent-cyan);
    font-size: 1rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.achievements {
    list-style: none;
    padding: 0;
}

.achievements li {
    color: var(--text-secondary);
    padding: 8px 0;
    padding-left: 28px;
    position: relative;
    line-height: 1.6;
}

.achievements li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: bold;
}

.certifications {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.certifications h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 16px;
}

.expertise-item {
    color: var(--text-secondary);
    padding: 12px 16px;
    background: rgba(6, 182, 212, 0.05);
    border-radius: 8px;
    border-left: 3px solid var(--accent-cyan);
    font-size: 0.95rem;
}

/* Responsive Updates */
@media (max-width: 768px) {
    .tech-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .tech-icons {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 12px;
    }

    .experience-highlights {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .highlight-number {
        font-size: 2rem;
    }

    .timeline-item-exp {
        padding: 24px;
    }

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

.tech-icon.api {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    border: none;
}

.tech-icon.monitor {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    color: white;
    border: none;
}