/* ===== Custom Properties ===== */
:root {
    --deep-blue: #0f1923;
    --dark-blue: #1a2836;
    --accent-purple: #7c3aed;
    --accent-purple-light: #a78bfa;
    --accent-cyan: #06b6d4;
    --accent-gradient: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-dark: #1e293b;
    --surface: #1e293b;
    --surface-light: #f8fafc;
    --border: #334155;
    --max-width: 1100px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.3);
    --radius: 12px;
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--accent-purple-light);
}

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

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(15, 25, 35, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 0 1.5rem;
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.logo img {
    height: 40px;
    width: auto;
}

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

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

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    position: relative;
    transition: color var(--transition);
}

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

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

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--text-primary);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    padding: 6rem 1.5rem;
    text-align: center;
    overflow: hidden;
    background: radial-gradient(ellipse at 50% 0%, rgba(124, 58, 237, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 50%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
                var(--deep-blue);
}

.hero-content {
    max-width: 750px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.hero h1 .gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(124, 58, 237, 0.4);
    color: #fff;
}

.btn-outline {
    border: 2px solid var(--border);
    color: var(--text-primary);
    background: transparent;
}

.btn-outline:hover {
    border-color: var(--accent-purple);
    color: var(--accent-purple-light);
    transform: translateY(-2px);
}

/* ===== Sections ===== */
.section {
    padding: 5rem 1.5rem;
}

.section-alt {
    background: var(--dark-blue);
}

.section-light {
    background: var(--surface-light);
    color: var(--text-dark);
}

.section-light .text-secondary {
    color: #64748b;
}

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

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.accent-bar {
    width: 60px;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: 2px;
    margin: 0 auto 1rem;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.section-light .section-header p {
    color: #64748b;
}

/* ===== Feature Cards ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    transition: all var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-purple);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: rgba(124, 58, 237, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--accent-purple-light);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.feature-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

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

/* ===== Portfolio Cards ===== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.portfolio-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all var(--transition);
}

.portfolio-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-purple);
}

.portfolio-card-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--dark-blue), var(--surface));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.portfolio-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.portfolio-card-image .placeholder-icon {
    color: var(--accent-purple-light);
    opacity: 0.5;
}

.portfolio-card-image .placeholder-icon svg {
    width: 48px;
    height: 48px;
    fill: currentColor;
}

.portfolio-card-body {
    padding: 1.5rem;
}

.portfolio-card-body h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.portfolio-card-body p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    font-size: 0.8rem;
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    background: rgba(124, 58, 237, 0.15);
    color: var(--accent-purple-light);
    font-weight: 500;
}

.portfolio-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.portfolio-card-link svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
    transition: transform var(--transition);
}

.portfolio-card-link:hover svg {
    transform: translateX(3px);
}

/* ===== Page Header ===== */
.page-header {
    padding: 4rem 1.5rem 3rem;
    text-align: center;
    background: radial-gradient(ellipse at 50% 0%, rgba(124, 58, 237, 0.12) 0%, transparent 60%),
                var(--deep-blue);
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== About Content ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-text h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

.values-list {
    list-style: none;
    margin-top: 1.5rem;
}

.values-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.values-list .icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background: rgba(124, 58, 237, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-purple-light);
    margin-top: 2px;
}

.values-list .icon svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

.about-visual {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
}

.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* ===== Contact Form ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-method .icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(124, 58, 237, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-purple-light);
    flex-shrink: 0;
}

.contact-method .icon svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.contact-method-text {
    font-size: 0.95rem;
}

.contact-method-text .label {
    color: var(--text-secondary);
    font-size: 0.8rem;
    display: block;
    margin-bottom: 0.15rem;
}

.contact-form-wrapper {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    background: var(--deep-blue);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color var(--transition);
}

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

.form-group textarea {
    min-height: 130px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-status {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.form-status.error {
    display: block;
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ===== CTA Section ===== */
.cta-section {
    text-align: center;
    padding: 5rem 1.5rem;
    background: radial-gradient(ellipse at 50% 100%, rgba(124, 58, 237, 0.12) 0%, transparent 60%),
                var(--deep-blue);
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.cta-section p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--dark-blue);
    border-top: 1px solid var(--border);
    padding: 3rem 1.5rem;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.footer-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

/* ===== Legal Content ===== */
.legal-content h2 {
    font-size: 1.4rem;
    margin-top: 2.5rem;
    margin-bottom: 0.75rem;
}

.legal-content h3 {
    font-size: 1.15rem;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.legal-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.95rem;
    line-height: 1.7;
}

.legal-content ul {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.7;
}

.legal-content ul li {
    margin-bottom: 0.4rem;
}

.legal-content a {
    color: var(--accent-cyan);
}

.legal-updated {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

/* ===== Coming Soon Badge ===== */
.coming-soon {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: 100px;
    background: rgba(6, 182, 212, 0.15);
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(15, 25, 35, 0.98);
        flex-direction: column;
        padding: 1.5rem;
        gap: 0;
        border-bottom: 1px solid var(--border);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 0.85rem 0;
        border-bottom: 1px solid var(--border);
    }

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

    .hero {
        padding: 4rem 1.5rem;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

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

    .about-content {
        grid-template-columns: 1fr;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section {
        padding: 3.5rem 1rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }
}