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

:root {
    --midnight: #0a1628;
    --midnight-light: #132240;
    --midnight-mid: #1a3058;
    --mint: #34d399;
    --mint-dark: #064e3b;
    --mint-light: #6ee7b7;
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-400: #94a3b8;
    --neutral-500: #64748b;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1e293b;
    --neutral-900: #0f172a;
    --white: #ffffff;
    --font-display: 'Oswald', sans-serif;
    --font-body: 'Inter', sans-serif;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 1px 3px rgba(10,22,40,0.08), 0 4px 16px rgba(10,22,40,0.06);
    --shadow-lg: 0 4px 24px rgba(10,22,40,0.12);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-body);
    color: var(--neutral-800);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ─── Header ─── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--neutral-200);
    transition: box-shadow var(--transition);
}

.site-header.scrolled {
    box-shadow: var(--shadow);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--midnight);
}

.logo-icon {
    color: var(--mint-dark);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.logo-text span {
    color: var(--mint-dark);
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav a {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--neutral-600);
    text-decoration: none;
    transition: color var(--transition);
    position: relative;
}

.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--mint-dark);
    transition: width var(--transition);
}

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

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 10px 22px;
    border-radius: var(--radius);
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn--header {
    background: var(--mint-dark);
    color: var(--white);
    border-color: var(--mint-dark);
}

.btn--header:hover {
    background: var(--midnight);
    border-color: var(--midnight);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(6,78,59,0.3);
}

.btn--primary {
    background: var(--mint-dark);
    color: var(--white);
    border-color: var(--mint-dark);
}

.btn--primary:hover {
    background: var(--midnight);
    border-color: var(--midnight);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6,78,59,0.3);
}

.btn--ghost {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.4);
}

.btn--ghost:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--white);
}

.btn--white {
    background: var(--white);
    color: var(--mint-dark);
    border-color: var(--white);
}

.btn--white:hover {
    background: var(--neutral-50);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--outline-white {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.5);
}

.btn--outline-white:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--white);
}

.btn--lg {
    padding: 14px 28px;
    font-size: 1rem;
}

.btn--full {
    width: 100%;
    justify-content: center;
    padding: 14px 28px;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--midnight);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ─── Hero ─── */
.hero {
    margin-top: 72px;
    background: var(--midnight);
    min-height: calc(100vh - 72px);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(135deg, rgba(10,22,40,0.95) 0%, rgba(10,22,40,0.7) 50%, rgba(10,22,40,0.4) 100%);
    z-index: 1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    min-height: 600px;
    position: relative;
    z-index: 2;
}

.hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 64px 64px 64px 80px;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--mint);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.tag-dot {
    width: 8px;
    height: 8px;
    background: var(--mint);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: -0.01em;
}

.hero-sub {
    font-size: 1.1rem;
    color: var(--neutral-400);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--mint);
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--neutral-500);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--neutral-700);
}

.hero-image {
    position: relative;
    overflow: hidden;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero-image-accent {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(to top, var(--midnight), transparent);
}

/* ─── Trust Bar ─── */
.trust-bar {
    background: var(--neutral-50);
    border-bottom: 1px solid var(--neutral-200);
    padding: 28px 0;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--neutral-700);
}

.trust-item svg {
    color: var(--mint-dark);
    flex-shrink: 0;
}

/* ─── Section Shared ─── */
.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--mint-dark);
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--midnight);
    line-height: 1.15;
    margin-bottom: 16px;
}

.section-title .accent {
    color: var(--mint-dark);
}

.section-sub {
    font-size: 1.05rem;
    color: var(--neutral-500);
    max-width: 560px;
    line-height: 1.7;
}

.section-header {
    margin-bottom: 56px;
}

/* ─── Services ─── */
.services {
    padding: 100px 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--white);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

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

.service-card:hover {
    border-color: var(--mint-dark);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--mint-dark), var(--midnight));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    margin-bottom: 20px;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--midnight);
    margin-bottom: 10px;
    letter-spacing: 0.01em;
}

.service-card p {
    font-size: 0.92rem;
    color: var(--neutral-500);
    line-height: 1.65;
}

/* ─── About ─── */
.about {
    padding: 100px 0;
    background: var(--neutral-50);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-images {
    position: relative;
    height: 600px;
}

.about-img-main {
    width: 75%;
    height: 460px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
}

.about-img-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about-img-secondary {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 55%;
    height: 250px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--white);
    z-index: 2;
}

.about-img-secondary img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about-badge {
    position: absolute;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    background: var(--mint-dark);
    color: var(--white);
    padding: 24px 20px;
    border-radius: var(--radius-lg);
    text-align: center;
    z-index: 3;
    box-shadow: var(--shadow-lg);
}

.badge-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    color: var(--mint-light);
}

.badge-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 4px;
    color: var(--neutral-300);
}

.about-content .section-header {
    margin-bottom: 24px;
}

.about-text {
    font-size: 1rem;
    color: var(--neutral-600);
    line-height: 1.75;
    margin-bottom: 16px;
}

.about-list {
    list-style: none;
    margin-top: 28px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.about-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--neutral-700);
}

.about-list li svg {
    color: var(--mint-dark);
    flex-shrink: 0;
    margin-top: 2px;
}

/* ─── Projects ─── */
.projects {
    padding: 100px 0;
    background: var(--white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.project-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
}

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,22,40,0.9) 0%, rgba(10,22,40,0.1) 60%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px;
    transition: background var(--transition);
}

.project-card:hover img {
    transform: scale(1.05);
}

.project-card:hover .project-overlay {
    background: linear-gradient(to top, rgba(10,22,40,0.95) 0%, rgba(10,22,40,0.3) 60%, rgba(10,22,40,0.1) 100%);
}

.project-category {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--mint);
    margin-bottom: 6px;
}

.project-overlay h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: 0.01em;
}

/* ─── CTA Section ─── */
.cta-section {
    padding: 100px 0;
    background: var(--midnight);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(52,211,153,0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-box {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.cta-content {
    max-width: 560px;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 16px;
}

.cta-text {
    font-size: 1.05rem;
    color: var(--neutral-400);
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ─── Contact ─── */
.contact {
    padding: 100px 0;
    background: var(--neutral-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
}

.contact-desc {
    font-size: 1rem;
    color: var(--neutral-500);
    line-height: 1.7;
    margin-bottom: 36px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--white);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mint-dark);
    flex-shrink: 0;
}

.contact-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--neutral-400);
    margin-bottom: 2px;
}

.contact-item a {
    color: var(--midnight);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: color var(--transition);
}

.contact-item a:hover {
    color: var(--mint-dark);
}

.contact-item span {
    color: var(--neutral-700);
    font-size: 1rem;
}

.contact-form-wrap {
    background: var(--white);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow);
}

.form-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--midnight);
    margin-bottom: 28px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--neutral-700);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--neutral-800);
    background: var(--white);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--mint-dark);
    box-shadow: 0 0 0 3px rgba(6,78,59,0.1);
}

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

.form-success {
    display: none;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: #ecfdf5;
    border: 1px solid var(--mint);
    border-radius: var(--radius);
    color: var(--mint-dark);
    font-size: 0.95rem;
    font-weight: 500;
    margin-top: 16px;
}

.form-success.show {
    display: flex;
}

.form-success svg {
    color: var(--mint-dark);
    flex-shrink: 0;
}

/* ─── Footer ─── */
.footer {
    background: var(--midnight);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--neutral-500);
    line-height: 1.7;
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--neutral-400);
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--neutral-500);
    text-decoration: none;
    transition: color var(--transition);
}

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

.footer-contact p {
    font-size: 0.9rem;
    color: var(--neutral-500);
    line-height: 1.8;
}

.footer-contact a {
    color: var(--neutral-400);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-contact a:hover {
    color: var(--mint);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 0.85rem;
    color: var(--neutral-600);
}

/* ─── Mobile Menu ─── */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10,22,40,0.5);
    z-index: 998;
}

.nav-overlay.active {
    display: block;
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
    .hero-content {
        padding: 48px 40px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--neutral-200);
        box-shadow: var(--shadow-lg);
        transform: translateY(-120%);
        transition: transform var(--transition);
        z-index: 999;
    }
    
    .nav.active {
        transform: translateY(0);
    }
    
    .nav a {
        font-size: 1rem;
    }
    
    .btn--header {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-image {
        display: none;
    }
    
    .hero-content {
        padding: 48px 24px;
        text-align: center;
        align-items: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-images {
        height: 400px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-box {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .cta-actions {
        justify-content: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form-wrap {
        padding: 28px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-content {
        padding: 36px 16px;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .trust-grid {
        grid-template-columns: 1fr;
    }
    
    .about-images {
        height: 320px;
    }
    
    .about-img-main {
        height: 320px;
    }
    
    .about-img-secondary {
        width: 60%;
        height: 180px;
    }
}