/* ==================== RESET & ROOT ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --secondary: #06b6d4;
    --accent: #8b5cf6;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--light);
}

/* ==================== NAVIGATION ==================== */
nav {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.2rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s;
}

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

.back-link {
    color: var(--gray) !important;
    font-size: 0.9rem;
}

/* ==================== HERO SECTION ==================== */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
    padding: 5rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><path d="M0 0h100v100H0z" fill="none"/><path d="M50 10v80M10 50h80" stroke="rgba(255,255,255,0.1)" stroke-width="2"/></svg>');
    opacity: 0.3;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1.5rem;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.95;
    font-weight: 600;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat {
    background: rgba(255,255,255,0.1);
    padding: 1.5rem;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
}

.stat-label {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* ==================== CTA BUTTONS ==================== */
.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.cta-primary {
    background: white;
    color: var(--primary);
}

.cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.cta-secondary {
    background: rgba(255,255,255,0.2);
    color: white;
    border: 2px solid white;
}

.cta-secondary:hover {
    background: white;
    color: var(--primary);
}

/* ==================== VALUE PROP SECTION ==================== */
.value-prop {
    max-width: 1200px;
    margin: -3rem auto 0;
    padding: 0 2rem 3rem;
    position: relative;
    z-index: 10;
}

.value-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.value-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    text-align: center;
    transition: transform 0.3s;
}

.value-card:hover {
    transform: translateY(-5px);
}

.value-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.value-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.value-desc {
    color: var(--gray);
    font-size: 0.95rem;
}

/* ==================== SECTIONS ==================== */
section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 2rem;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--dark);
}

.section-subtitle {
    text-align: center;
    color: var(--gray);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

/* ==================== FEATURES/PROJECTS GRID ==================== */
.features-grid,
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card,
.project-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s;
}

.feature-card {
    padding: 2rem;
    border-left: 4px solid var(--primary);
}

.feature-card:hover,
.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.feature-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
}

.feature-desc {
    color: var(--gray);
    line-height: 1.7;
}

/* ==================== PROJECT CARDS ==================== */
.project-card {
    overflow: hidden;
}

.project-header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 2rem;
    position: relative;
}

.project-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.project-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.project-subtitle {
    opacity: 0.9;
    font-size: 0.95rem;
}

.project-body {
    padding: 2rem;
}

.project-description {
    color: var(--gray);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.project-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.project-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--dark);
}

.project-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    background: var(--light);
    color: var(--primary);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    flex: 1;
    text-align: center;
    padding: 0.8rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.link-primary {
    background: var(--primary);
    color: white;
}

.link-primary:hover {
    background: var(--primary-dark);
}

.link-secondary {
    border: 2px solid var(--primary);
    color: var(--primary);
}

.link-secondary:hover {
    background: var(--primary);
    color: white;
}

/* ==================== SERVICES GRID ==================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    text-align: center;
    transition: transform 0.3s;
}

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

.service-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.service-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--dark);
}

.service-description {
    color: var(--gray);
    line-height: 1.7;
}

/* ==================== COMPARISON TABLE ==================== */
.comparison {
    background: white;
    border-radius: 12px;
    padding: 3rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 2rem;
}

.comparison-table th {
    padding: 1rem;
    text-align: left;
    border-bottom: 2px solid var(--light);
    font-weight: 700;
    color: var(--dark);
}

.comparison-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--light);
}

.comparison-table tr:hover {
    background: var(--light);
}

.check-icon {
    color: var(--success);
    font-weight: 700;
    font-size: 1.2rem;
}

.x-icon {
    color: var(--gray);
    font-weight: 700;
    font-size: 1.2rem;
}

.highlight-col {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(139, 92, 246, 0.05));
    font-weight: 600;
}

/* ==================== STATS SECTION ==================== */
.stats-section {
    background: linear-gradient(135deg, var(--dark), #0f172a);
    color: white;
    padding: 5rem 2rem;
    margin: 5rem 0;
}

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

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

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

.stat-box .stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 0.5rem;
}

/* ==================== TIMELINE ==================== */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-content {
    flex: 1;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    margin: 0 2rem;
}

.timeline-badge {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    box-shadow: 0 0 0 4px white;
}

.timeline-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.timeline-desc {
    color: var(--gray);
}

/* ==================== CTA SECTION ==================== */
.cta-section {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    text-align: center;
    padding: 5rem 2rem;
    border-radius: 20px;
    margin: 5rem auto;
    max-width: 1200px;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* ==================== CONTACT SECTION ==================== */
.contact {
    background: var(--dark);
    color: white;
    text-align: center;
    padding: 5rem 2rem;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact h2 {
    color: white;
    margin-bottom: 1rem;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    text-align: center;
}

.contact-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-card h3 {
    color: var(--dark);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.contact-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.3s;
}

.contact-link:hover {
    background: var(--primary);
    color: white;
}

.contact-detail {
    color: var(--dark);
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.contact-subtitle {
    color: var(--gray);
    font-size: 0.9rem;
}

.contact-methods {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.contact-item a {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 500;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-opportunities {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.opportunities-title {
    color: var(--dark);
    font-size: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--light);
}

.opportunity-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.opportunity-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.opportunity-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.opportunity-item h4 {
    color: var(--primary);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.opportunity-item p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* ==================== FOOTER ==================== */
footer {
    background: #0f172a;
    color: white;
    text-align: center;
    padding: 2rem;
}

footer a {
    color: var(--secondary);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

footer p {
    opacity: 0.8;
}

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

.project-card,
.service-card,
.feature-card {
    animation: fadeInUp 0.6s ease-out;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .nav-links {
        display: none;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-item,
    .timeline-item:nth-child(odd) {
        flex-direction: column;
    }

    .timeline-badge {
        left: 20px;
    }

    .timeline-content {
        margin-left: 60px;
        margin-right: 0;
    }

    .section-title {
        font-size: 2rem;
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .projects-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
}