/* --- RESET & VARIABLES --- */
    :root {
        --color-teal: #0F766E;
        --color-teal-dark: #0D5F59;
        --color-slate: #334155;
        --color-slate-light: #475569;
        --color-off-white: #F8FAFC;
        --color-white: #FFFFFF;
        --color-black: #0F172A;
        --font-heading: 'Montserrat', sans-serif;
        --font-body: 'Work Sans', sans-serif;
        --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
        --shadow-hover: 0 20px 40px -10px rgba(0, 0, 0, 0.15);
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-body);
        background-color: var(--color-off-white);
        color: var(--color-slate);
        line-height: 1.6;
        overflow-x: hidden;
    }

    h1, h2, h3, h4 {
        font-family: var(--font-heading);
        font-weight: 800;
        line-height: 1.2;
        color: var(--color-black);
    }

    a {
        text-decoration: none;
        color: inherit;
        transition: 0.3s ease;
    }

    ul {
        list-style: none;
    }

    img {
        max-width: 100%;
        display: block;
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    /* --- BUTTONS --- */
    .btn {
        display: inline-block;
        padding: 14px 28px;
        font-family: var(--font-heading);
        font-weight: 600;
        border-radius: 4px;
        cursor: pointer;
        transition: all 0.3s ease;
        font-size: 0.95rem;
    }

    .btn-primary {
        background-color: var(--color-teal);
        color: var(--color-white);
        border: 2px solid var(--color-teal);
    }

    .btn-primary:hover {
        background-color: var(--color-teal-dark);
        border-color: var(--color-teal-dark);
        transform: translateY(-2px);
    }

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

    .btn-outline:hover {
        background-color: var(--color-black);
        color: var(--color-white);
    }

    .btn-nav {
        background-color: var(--color-teal);
        color: var(--color-white);
        padding: 10px 20px;
    }

    .btn-light {
        background-color: var(--color-white);
        color: var(--color-teal);
        border: 2px solid var(--color-white);
    }
    
    .btn-light:hover {
        background-color: transparent;
        color: var(--color-white);
    }

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

    .btn-outline-light:hover {
        background-color: var(--color-white);
        color: var(--color-teal);
    }

    /* --- NAVBAR --- */
    .navbar {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background-color: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        z-index: 1000;
        padding: 15px 0;
        box-shadow: 0 2px 20px rgba(0,0,0,0.05);
    }

    .nav-container {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .logo {
        font-family: var(--font-heading);
        font-weight: 800;
        font-size: 1.25rem;
        color: var(--color-slate);
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .nav-links {
        display: flex;
        align-items: center;
        gap: 40px;
    }

    .nav-links a:not(.btn) {
        font-weight: 500;
        color: var(--color-slate);
        position: relative;
    }

    .nav-links a:not(.btn):hover {
        color: var(--color-teal);
    }

    .nav-links a:not(.btn)::after {
        content: '';
        position: absolute;
        width: 0;
        height: 2px;
        bottom: -4px;
        left: 0;
        background-color: var(--color-teal);
        transition: width 0.3s;
    }

    .nav-links a:not(.btn):hover::after {
        width: 100%;
    }

    .mobile-menu-btn {
        display: none;
        background: none;
        border: none;
        cursor: pointer;
        flex-direction: column;
        gap: 6px;
    }

    .mobile-menu-btn span {
        display: block;
        width: 25px;
        height: 2px;
        background-color: var(--color-slate);
        transition: 0.3s;
    }

    /* --- HERO --- */
    .hero {
        position: relative;
        min-height: 100vh;
        display: flex;
        align-items: center;
        padding: 120px 0 80px;
        background-color: var(--color-off-white);
        overflow: hidden;
    }

    .hero-bg-shape {
        position: absolute;
        z-index: 0;
    }

    .shape-1 {
        top: -10%;
        right: -5%;
        width: 600px;
        height: 600px;
        background: linear-gradient(135deg, #ccfbf1 0%, #99f6e4 100%);
        border-radius: 50%;
        filter: blur(80px);
    }

    .shape-2 {
        bottom: 0;
        left: -10%;
        width: 400px;
        height: 400px;
        background: #e2e8f0;
        border-radius: 50%;
        filter: blur(60px);
    }

    .hero-container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 60px;
        align-items: center;
        position: relative;
        z-index: 1;
    }

    .hero-content {
        max-width: 600px;
    }

    .tagline {
        display: inline-block;
        background-color: var(--color-teal);
        color: var(--color-white);
        padding: 6px 12px;
        border-radius: 2px;
        font-size: 0.85rem;
        font-weight: 600;
        letter-spacing: 1px;
        text-transform: uppercase;
        margin-bottom: 20px;
    }

    .hero h1 {
        font-size: 4rem;
        margin-bottom: 24px;
        color: var(--color-black);
    }

    .hero-sub {
        font-size: 1.25rem;
        color: var(--color-slate-light);
        margin-bottom: 40px;
        max-width: 480px;
    }

    .hero-actions {
        display: flex;
        gap: 20px;
    }

    .hero-visual {
        position: relative;
        height: 500px;
    }

    .visual-card {
        position: absolute;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: var(--shadow-card);
    }

    .card-1 {
        width: 320px;
        height: 420px;
        top: 20px;
        right: 0;
        z-index: 2;
    }

    .card-1 img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .card-2 {
        width: 200px;
        height: 200px;
        bottom: 40px;
        left: 0;
        z-index: 3;
        background-color: var(--color-slate);
        padding: 30px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

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

    .stat-number {
        display: block;
        font-size: 3rem;
        font-weight: 800;
        color: var(--color-white);
        font-family: var(--font-heading);
        line-height: 1;
    }

    .stat-label {
        display: block;
        font-size: 0.9rem;
        color: #cbd5e1;
        margin-top: 10px;
    }

    /* --- SECTIONS COMMON --- */
    .section {
        padding: 100px 0;
        position: relative;
    }

    .section-header {
        text-align: center;
        max-width: 600px;
        margin: 0 auto 60px;
    }

    .section-header h2 {
        font-size: 2.5rem;
        margin-bottom: 16px;
    }

    .section-header p {
        font-size: 1.1rem;
        color: var(--color-slate-light);
    }

    /* --- SERVICES --- */
    .services {
        background-color: var(--color-white);
    }

    .services-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
    }

    .service-card {
        background-color: var(--color-off-white);
        padding: 40px;
        border-radius: 8px;
        border-bottom: 4px solid transparent;
        transition: 0.3s;
    }

    .service-card:hover {
        transform: translateY(-10px);
        border-bottom-color: var(--color-teal);
        box-shadow: var(--shadow-hover);
        background-color: var(--color-white);
    }

    .icon-box {
        width: 60px;
        height: 60px;
        background-color: #ccfbf1;
        color: var(--color-teal);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 24px;
    }

    .service-card h3 {
        font-size: 1.5rem;
        margin-bottom: 16px;
    }

    /* --- ABOUT --- */
    .about-container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 80px;
        align-items: center;
    }

    .about-image {
        position: relative;
    }

    .about-image img {
        border-radius: 8px;
        width: 100%;
        height: auto;
        position: relative;
        z-index: 2;
    }

    .about-accent {
        position: absolute;
        top: -20px;
        left: -20px;
        width: 100%;
        height: 100%;
        border: 4px solid var(--color-teal);
        border-radius: 8px;
        z-index: 1;
    }

    .about-content h2 {
        font-size: 2.5rem;
        margin-bottom: 24px;
    }

    .about-content p {
        margin-bottom: 20px;
        color: var(--color-slate-light);
    }

    .about-stats {
        display: flex;
        gap: 40px;
        margin-top: 40px;
    }

    .stat-item h4 {
        font-size: 1.5rem;
        color: var(--color-teal);
        margin-bottom: 4px;
    }

    /* --- CTA SECTION --- */
    .cta-section {
        padding: 80px 0;
        background-color: var(--color-slate);
    }

    .cta-box {
        text-align: center;
        color: var(--color-white);
        max-width: 800px;
        margin: 0 auto;
    }

    .cta-box h2 {
        color: var(--color-white);
        font-size: 2.5rem;
        margin-bottom: 20px;
    }

    .cta-box p {
        color: #cbd5e1;
        font-size: 1.2rem;
        margin-bottom: 40px;
    }

    .cta-buttons {
        display: flex;
        justify-content: center;
        gap: 20px;
    }

    /* --- CONTACT --- */
    .contact-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 60px;
    }

    .contact-info h2 {
        font-size: 2.5rem;
        margin-bottom: 16px;
    }

    .info-list {
        margin-top: 40px;
    }

    .info-list li {
        display: flex;
        gap: 20px;
        margin-bottom: 30px;
    }

    .info-icon {
        width: 50px;
        height: 50px;
        background-color: var(--color-teal);
        color: var(--color-white);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    .info-list strong {
        display: block;
        color: var(--color-black);
        font-size: 1.1rem;
        margin-bottom: 4px;
    }

    .contact-form {
        background-color: var(--color-white);
        padding: 40px;
        border-radius: 8px;
        box-shadow: var(--shadow-card);
    }

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

    .form-group label {
        display: block;
        margin-bottom: 8px;
        font-weight: 500;
        color: var(--color-slate);
    }

    .form-group input,
    .form-group textarea {
        width: 100%;
        padding: 12px 16px;
        border: 1px solid #e2e8f0;
        border-radius: 4px;
        font-family: var(--font-body);
        font-size: 1rem;
        transition: 0.3s;
    }

    .form-group input:focus,
    .form-group textarea:focus {
        outline: none;
        border-color: var(--color-teal);
        box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.1);
    }

    .full-width {
        width: 100%;
    }

    .success-message {
        background-color: #dcfce7;
        color: #166534;
        padding: 20px;
        border-radius: 4px;
        text-align: center;
        margin-top: 20px;
    }

    .hidden {
        display: none;
    }

    /* --- FOOTER --- */
    .footer {
        background-color: var(--color-black);
        color: var(--color-white);
        padding: 60px 0 30px;
    }

    .footer-container {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 30px;
        text-align: center;
    }

    .footer-brand .logo {
        color: var(--color-white);
        justify-content: center;
        margin-bottom: 10px;
    }

    .footer-links {
        display: flex;
        gap: 30px;
    }

    .footer-links a {
        color: #94a3b8;
    }

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

    .footer-copy {
        color: #64748b;
        font-size: 0.9rem;
        margin-top: 20px;
        border-top: 1px solid #1e293b;
        padding-top: 20px;
        width: 100%;
    }

    /* --- ANIMATIONS --- */
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: all 0.8s ease;
    }

    .reveal.active {
        opacity: 1;
        transform: translateY(0);
    }

    /* --- RESPONSIVE --- */
    @media (max-width: 968px) {
        .hero-container {
            grid-template-columns: 1fr;
            text-align: center;
        }

        .hero-visual {
            display: none;
        }

        .hero-actions {
            justify-content: center;
        }

        .hero-sub {
            margin-left: auto;
            margin-right: auto;
        }

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

        .about-image {
            order: -1;
        }
    }

    @media (max-width: 768px) {
        .nav-links {
            position: fixed;
            top: 70px;
            right: -100%;
            width: 100%;
            height: calc(100vh - 70px);
            background-color: var(--color-white);
            flex-direction: column;
            justify-content: center;
            transition: 0.3s;
        }

        .nav-links.active {
            right: 0;
        }

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

        .hero h1 {
            font-size: 2.5rem;
        }

        .cta-buttons {
            flex-direction: column;
        }
    }