/* CSS RESET & VARIABLES */
        :root {
            --primary-color: oklch(27.9% 0.041 260.031);
            --primary-hover: goldenrod; 
            --accent-color: #00e676;
            --secondary-color: #1e293b;
            --bg-light: #f8fafc;
            --surface-color: goldenrod; 
            --text-main: #ffffff;
            --text-muted: #031d01;
            --border-color: #e2e8f0;
            --error-color: #ef4444;
            --success-color: #10b981;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
            --shadow-md: 0 10px 25px -5px rgba(13, 71, 161, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 20px 30px -10px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
        }

        body {
            background-color: oklch(27.9% 0.041 260.031);
            color: #ffffff;
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        /* HEADER / NAVBAR */
        .navbar {
            background: #000000;
            border-bottom: 1px solid var(--border-color);
            padding: 1.25rem 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
            color: var(--primary-color);
            font-weight: 700;
            font-size: 1.35rem;
        }

        .brand-logo i {
            font-size: 1.6rem;
        }

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

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

        .nav-links a:hover,
        .nav-links a.active {
            color: #ffffff;
        }

        /* HERO BANNER */
        .hero {
            background: oklch(27.9% 0.041 260.031);
            color: goldenrod;
            text-align: center;
            padding: 4rem 1.5rem;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero h1 {
            font-size: 2.75rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }

        .hero p {
            font-size: 1.125rem;
            color: #cbd5e1;
            max-width: 600px;
            margin: 0 auto;
        }

        /* CONTAINER & MAIN CONTENT */
        .main-container {
            max-width: 1200px;
            margin: -2.5rem auto 3rem auto;
            padding: 0 1.5rem;
            width: 100%;
            z-index: 10;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.3fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }

        /* CARDS & SECTIONS */
        .info-card, .form-card, .map-card {
            background: var(--surface-color);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
            padding: 2.25rem;
            transition: var(--transition);
        }

        .card-header {
            margin-bottom: 1.75rem;
        }

        .card-header h2 {
            font-size: 1.5rem;
            color: var(--secondary-color);
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .card-header h2 i {
            color: var(--primary-color);
        }

        .card-header p {
            color: var(--text-muted);
            font-size: 0.925rem;
            margin-top: 0.25rem;
        }

        /* INFO LIST */
        .info-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .info-item {
            display: flex;
            align-items: flex-start;
            gap: 1.2rem;
        }

        .info-icon {
            width: 48px;
            height: 48px;
            background: rgba(13, 71, 161, 0.08);
            color: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .info-item:hover .info-icon {
            background: var(--primary-color);
            color: #ffffff;
            transform: scale(1.05);
        }

        .info-text h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 0.2rem;
        }

        .info-text p, .info-text a {
            color: var(--text-muted);
            font-size: 0.95rem;
            text-decoration: none;
            transition: var(--transition);
        }

        .info-text a:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }

        /* SOCIAL MEDIA LINKS */
        .social-section {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
        }

        .social-section h3 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 0.75rem;
        }

        .social-links {
            display: flex;
            gap: 0.75rem;
        }

        .social-btn {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }

        .social-btn:hover {
            background: var(--primary-color);
            color: #ffffff;
            border-color: var(--primary-color);
            transform: translateY(-2px);
        }

        /* FORM STYLES */
        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

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

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

        .form-group label {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-main);
        }

        .input-wrapper {
            position: relative;
            display: flex;
            align-items: center;
        }

        .input-wrapper i {
            position: absolute;
            left: 1rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            pointer-events: none;
            transition: var(--transition);
        }

        .form-input {
            width: 100%;
            padding: 0.85rem 1rem 0.85rem 2.6rem;
            border: 1.5px solid var(--border-color);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            color: var(--text-main);
            background: var(--surface-color);
            outline: none;
            transition: var(--transition);
        }

        textarea.form-input {
            padding-left: 2.6rem;
            padding-top: 0.85rem;
            resize: vertical;
            min-height: 120px;
        }

        .form-input:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(13, 71, 161, 0.12);
        }

        .form-input:focus + i {
            color: var(--primary-color);
        }

        /* FORM VALIDATION STATES */
        .form-group.error .form-input {
            border-color: var(--error-color);
            background-color: #fef2f2;
        }

        .form-group.error .error-msg {
            display: block;
        }

        .error-msg {
            display: none;
            font-size: 0.775rem;
            color: var(--error-color);
            margin-top: 0.2rem;
            font-weight: 500;
        }

        /* BUTTONS */
        .btn-submit {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem 1.75rem;
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.6rem;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(13, 71, 161, 0.2);
            margin-top: 0.5rem;
        }

        .btn-submit:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(13, 71, 161, 0.25);
        }

        .btn-submit:disabled {
            background: #94a3b8;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .spinner {
            display: none;
            width: 18px;
            height: 18px;
            border: 2px solid rgba(255,255,255,0.3);
            border-radius: 50%;
            border-top-color: white;
            animation: spin 0.8s linear infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        /* MAP SECTION */
        .map-card {
            padding: 0;
            overflow: hidden;
        }

        .map-header {
            padding: 1.5rem 2rem;
            border-bottom: 1px solid var(--border-color);
        }

        .map-header h2 {
            font-size: 1.25rem;
            color: var(--secondary-color);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        #map {
            height: 380px;
            width: 100%;
            z-index: 1;
        }

        /* MODAL / TOAST NOTIFICATION */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(15, 23, 42, 0.6);
            backdrop-filter: blur(4px);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }

        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .modal-content {
            background: var(--surface-color);
            padding: 2.5rem;
            border-radius: var(--radius-md);
            max-width: 450px;
            width: 90%;
            text-align: center;
            transform: translateY(20px);
            transition: var(--transition);
            box-shadow: var(--shadow-lg);
        }

        .modal-overlay.active .modal-content {
            transform: translateY(0);
        }

        .modal-icon {
            width: 64px;
            height: 64px;
            background: rgba(16, 185, 129, 0.1);
            color: var(--success-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            margin: 0 auto 1.25rem auto;
        }

        .modal-content h3 {
            font-size: 1.5rem;
            color: var(--secondary-color);
            margin-bottom: 0.5rem;
        }

        .modal-content p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
        }

        .btn-modal {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 0.75rem 2rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-modal:hover {
            background: var(--primary-hover);
        }

        /* FOOTER */
        footer {
            background: var(--secondary-color);
            color: #94a3b8;
            padding: 2rem 5%;
            margin-top: auto;
            text-align: center;
            font-size: 0.9rem;
            border-top: 1px solid #334155;
        }

        footer p {
            margin-bottom: 0.5rem;
        }

        footer a {
            color: #cbd5e1;
            text-decoration: none;
        }

        /* RESPONSIVE DESIGN */
        @media (max-width: 992px) {
            .contact-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 640px) {
            .hero h1 {
                font-size: 2rem;
            }

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

            .info-card, .form-card {
                padding: 1.5rem;
            }

            .navbar {
                flex-direction: column;
                gap: 1rem;
            }
        }