/* ============================================
           CSS VARIABLES & RESET
           ============================================ */
        :root {
            --color-black: #1a1a1a;
            --color-purple: #7c3aed;
            --color-purple-light: #a78bfa;
            --color-purple-dark: #5b21b6;
            --color-orange: #f97316;
            --color-orange-light: #fb923c;
            --color-gray-50: #f9fafb;
            --color-gray-100: #f3f4f6;
            --color-gray-200: #e5e7eb;
            --color-gray-300: #d1d5db;
            --color-gray-400: #9ca3af;
            --color-gray-500: #6b7280;
            --color-gray-600: #4b5563;
            --color-gray-700: #374151;
            --color-gray-800: #1f2937;
            --color-gray-900: #111827;
            --color-white: #ffffff;
            --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
            --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
            --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.25);
            --radius-sm: 0.375rem;
            --radius-md: 0.5rem;
            --radius-lg: 0.75rem;
            --radius-xl: 1rem;
            --radius-2xl: 1.5rem;
            --transition-fast: 150ms ease;
            --transition-normal: 300ms ease;
            --transition-slow: 500ms ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-main);
            color: var(--color-gray-800);
            background: var(--color-white);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        ul, ol {
            list-style: none;
        }

        /* ============================================
           UTILITY CLASSES
           ============================================ */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            white-space: nowrap;
            border: 0;
        }

        /* ============================================
           HEADER
           ============================================ */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0,0,0,0.06);
            transition: all var(--transition-normal);
        }

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

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

        .header-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .header-logo img {
            width: 108px;
            height: auto;
            max-height: 58px;
            object-fit: contain;
            display: block;
        }

        .header-logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-black);
        }

        .header-logo-text span {
            color: var(--color-purple);
        }

        .header-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .header-nav a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-gray-600);
            transition: color var(--transition-fast);
            position: relative;
        }

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

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

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .lang-selector {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-gray-500);
        }

        .lang-btn {
            padding: 0.25rem 0.5rem;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-gray-500);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .lang-btn:hover {
            color: var(--color-purple);
        }

        .lang-btn.active {
            color: var(--color-purple);
            background: rgba(124, 58, 237, 0.08);
        }

        .lang-sep {
            color: var(--color-gray-300);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.6rem 1.25rem;
            background: var(--color-purple);
            color: var(--color-white);
            font-size: 0.875rem;
            font-weight: 600;
            border-radius: var(--radius-lg);
            transition: all var(--transition-normal);
            white-space: nowrap;
        }

        .header-cta:hover {
            background: var(--color-purple-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        .header-whatsapp {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-gray-600);
            transition: color var(--transition-fast);
        }

        .header-whatsapp:hover {
            color: #25D366;
        }

        .header-whatsapp svg {
            width: 18px;
            height: 18px;
            fill: #25D366;
        }

        /* Hamburger */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 0.5rem;
            cursor: pointer;
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-gray-800);
            border-radius: 2px;
            transition: all var(--transition-normal);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Mobile Menu */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255,255,255,0.98);
            backdrop-filter: blur(20px);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2rem;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-normal);
        }

        .mobile-menu.active {
            opacity: 1;
            pointer-events: all;
        }

        .mobile-menu a {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--color-gray-800);
            transition: color var(--transition-fast);
        }

        .mobile-menu a:hover {
            color: var(--color-purple);
        }

        /* ============================================
           HERO
           ============================================ */
        .hero {
            padding: 10rem 0 5rem;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, #faf5ff 0%, #ffffff 40%, #fff7ed 100%);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(124,58,237,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(249,115,22,0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            position: relative;
            z-index: 1;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 1rem;
            background: rgba(124,58,237,0.08);
            color: var(--color-purple);
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 100px;
            margin-bottom: 1.5rem;
            border: 1px solid rgba(124,58,237,0.15);
        }

        .hero-badge-dot {
            width: 6px;
            height: 6px;
            background: var(--color-purple);
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        .hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 800;
            line-height: 1.1;
            color: var(--color-gray-900);
            margin-bottom: 1.5rem;
            letter-spacing: -0.02em;
        }

        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--color-purple), var(--color-orange));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero p {
            font-size: 1.15rem;
            color: var(--color-gray-600);
            line-height: 1.7;
            margin-bottom: 2rem;
            max-width: 520px;
        }

        .hero-ctas {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-bottom: 3rem;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 1.75rem;
            background: var(--color-purple);
            color: var(--color-white);
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-lg);
            transition: all var(--transition-normal);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--color-purple-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(124,58,237,0.3);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 1.75rem;
            background: transparent;
            color: var(--color-gray-700);
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-lg);
            border: 1.5px solid var(--color-gray-200);
            transition: all var(--transition-normal);
            cursor: pointer;
        }

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

        .hero-services {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            align-items: center;
        }

        .hero-service-tag {
            font-size: 0.85rem;
            color: var(--color-gray-500);
            font-weight: 500;
        }

        .hero-service-tag:not(:last-child)::after {
            content: '·';
            margin-left: 0.75rem;
            color: var(--color-gray-300);
        }

        /* Hero Visual */
        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual-composition {
            position: relative;
            width: 100%;
            max-width: 520px;
            aspect-ratio: 1;
        }

        .hero-float-card {
            position: absolute;
            background: var(--color-white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-xl);
            padding: 1rem;
            animation: float 6s ease-in-out infinite;
        }

        .hero-float-card:nth-child(1) {
            top: 5%;
            left: 5%;
            width: 55%;
            animation-delay: 0s;
        }

        .hero-float-card:nth-child(2) {
            top: 30%;
            right: 0;
            width: 50%;
            animation-delay: -2s;
        }

        .hero-float-card:nth-child(3) {
            bottom: 10%;
            left: 10%;
            width: 60%;
            animation-delay: -4s;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-12px); }
        }

        .hero-card-browser {
            background: var(--color-gray-50);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-gray-200);
        }

        .hero-card-browser-bar {
            display: flex;
            gap: 4px;
            padding: 8px 12px;
            background: var(--color-gray-100);
        }

        .hero-card-browser-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
        }

        .hero-card-browser-dot:nth-child(1) { background: #ff5f57; }
        .hero-card-browser-dot:nth-child(2) { background: #febc2e; }
        .hero-card-browser-dot:nth-child(3) { background: #28c840; }

        .hero-card-browser-content {
            padding: 12px;
            min-height: 60px;
        }

        .hero-card-line {
            height: 6px;
            background: var(--color-gray-200);
            border-radius: 3px;
            margin-bottom: 6px;
        }

        .hero-card-line:nth-child(1) { width: 60%; background: var(--color-purple-light); }
        .hero-card-line:nth-child(2) { width: 80%; }
        .hero-card-line:nth-child(3) { width: 45%; }

        .hero-card-code {
            background: var(--color-gray-900);
            border-radius: var(--radius-md);
            padding: 12px;
            font-family: 'Courier New', monospace;
            font-size: 0.7rem;
            color: var(--color-purple-light);
        }

        .hero-card-code .line {
            margin-bottom: 4px;
        }

        .hero-card-code .tag { color: #f97316; }
        .hero-card-code .attr { color: #a78bfa; }
        .hero-card-code .val { color: #34d399; }

        .hero-card-metric {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .hero-metric-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-purple), var(--color-orange));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1rem;
        }

        .hero-metric-info strong {
            display: block;
            font-size: 0.85rem;
            color: var(--color-gray-900);
        }

        .hero-metric-info span {
            font-size: 0.7rem;
            color: var(--color-gray-500);
        }

        .hero-decoration {
            position: absolute;
            width: 200px;
            height: 200px;
            border: 2px solid rgba(124,58,237,0.1);
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            pointer-events: none;
        }

        .hero-decoration:nth-child(5) {
            width: 300px;
            height: 300px;
            border-color: rgba(249,115,22,0.08);
        }

        /* ============================================
           SECTIONS COMMON
           ============================================ */
        .section {
            padding: 5rem 0;
        }

        .section-dark {
            background: var(--color-gray-900);
            color: var(--color-white);
        }

        .section-light {
            background: var(--color-gray-50);
        }

        .section-header {
            text-align: center;
            max-width: 650px;
            margin: 0 auto 3.5rem;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--color-purple);
            margin-bottom: 1rem;
        }

        .section-label::before,
        .section-label::after {
            content: '';
            width: 20px;
            height: 1px;
            background: var(--color-purple);
        }

        .section-title {
            font-size: clamp(1.8rem, 4vw, 2.75rem);
            font-weight: 800;
            line-height: 1.15;
            color: var(--color-gray-900);
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }

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

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-gray-500);
            line-height: 1.7;
        }

        .section-dark .section-subtitle {
            color: var(--color-gray-400);
        }

        /* ============================================
           PROBLEM SECTION
           ============================================ */
        .problem {
            background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-50) 100%);
        }

        .problem-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .problem-content h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.25rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--color-gray-900);
            margin-bottom: 1.5rem;
        }

        .problem-content h2 .highlight {
            color: var(--color-purple);
        }

        .problem-content p {
            font-size: 1.05rem;
            color: var(--color-gray-600);
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        .problem-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }

        .problem-item {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            padding: 1rem;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-gray-100);
            transition: all var(--transition-normal);
        }

        .problem-item:hover {
            border-color: var(--color-purple-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .problem-item-icon {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-md);
            background: rgba(124,58,237,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--color-purple);
            font-size: 0.9rem;
        }

        .problem-item-text {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-gray-800);
            line-height: 1.4;
        }

        .problem-visual {
            position: relative;
            display: flex;
            justify-content: center;
        }

        .problem-phone {
            width: 260px;
            background: var(--color-white);
            border-radius: 2rem;
            box-shadow: var(--shadow-2xl);
            padding: 1rem;
            border: 3px solid var(--color-gray-200);
            position: relative;
        }

        .problem-phone-screen {
            background: var(--color-gray-50);
            border-radius: 1.25rem;
            overflow: hidden;
            aspect-ratio: 9/16;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            padding: 1.5rem;
        }

        .problem-phone-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, #25D366, #128C7E);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
        }

        .problem-phone-text {
            text-align: center;
            font-size: 0.85rem;
            color: var(--color-gray-500);
            line-height: 1.5;
        }

        .problem-phone-text strong {
            display: block;
            color: var(--color-gray-800);
            font-size: 0.95rem;
            margin-bottom: 0.25rem;
        }

        .problem-arrow {
            position: absolute;
            right: -40px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--color-orange);
            font-size: 2rem;
            animation: arrow-bounce 2s infinite;
        }

        @keyframes arrow-bounce {
            0%, 100% { transform: translateY(-50%) translateX(0); }
            50% { transform: translateY(-50%) translateX(8px); }
        }

        /* ============================================
           SERVICES
           ============================================ */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
        }

        .service-card {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            padding: 2rem;
            border: 1px solid var(--color-gray-100);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-purple), var(--color-orange));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-normal);
        }

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

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

        .service-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, rgba(124,58,237,0.1), rgba(249,115,22,0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.25rem;
            font-size: 1.5rem;
            color: var(--color-purple);
        }

        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-gray-900);
            margin-bottom: 0.75rem;
        }

        .service-card p {
            font-size: 0.95rem;
            color: var(--color-gray-600);
            line-height: 1.6;
            margin-bottom: 1.25rem;
        }

        .service-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--color-purple);
            transition: all var(--transition-fast);
        }

        .service-cta:hover {
            gap: 0.7rem;
        }

        .service-cta svg {
            width: 14px;
            height: 14px;
            transition: transform var(--transition-fast);
        }

        .service-cta:hover svg {
            transform: translateX(3px);
        }

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

        .portfolio-card {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--color-gray-100);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }

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

        .portfolio-card.featured {
            grid-column: span 2;
            grid-row: span 2;
        }

        .portfolio-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background: var(--color-gray-100);
        }

        .portfolio-card.featured .portfolio-image {
            aspect-ratio: 16/9;
        }

        .portfolio-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        .portfolio-image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.6) 100%);
            opacity: 0;
            transition: opacity var(--transition-normal);
            display: flex;
            align-items: flex-end;
            padding: 1.25rem;
        }

        .portfolio-card:hover .portfolio-image-overlay {
            opacity: 1;
        }

        .portfolio-overlay-btn {
            padding: 0.5rem 1rem;
            background: var(--color-white);
            color: var(--color-gray-900);
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }

        .portfolio-overlay-btn:hover {
            background: var(--color-purple);
            color: var(--color-white);
        }

        .portfolio-info {
            padding: 1.25rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .portfolio-type {
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--color-purple);
            margin-bottom: 0.5rem;
        }

        .portfolio-info h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-gray-900);
            margin-bottom: 0.5rem;
        }

        .portfolio-info p {
            font-size: 0.875rem;
            color: var(--color-gray-500);
            line-height: 1.5;
            margin-bottom: 1rem;
            flex: 1;
        }

        .portfolio-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-purple);
            transition: all var(--transition-fast);
        }

        .portfolio-link:hover {
            gap: 0.7rem;
        }

        .portfolio-link svg {
            width: 14px;
            height: 14px;
        }

        /* Featured Project */
        .featured-project {
            margin-top: 3rem;
            background: linear-gradient(135deg, var(--color-gray-900) 0%, #1e1b4b 100%);
            border-radius: var(--radius-2xl);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            min-height: 450px;
        }

        .featured-project-content {
            padding: 3rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            color: var(--color-white);
        }

        .featured-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 1rem;
            background: rgba(249,115,22,0.15);
            color: var(--color-orange);
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            border-radius: 100px;
            margin-bottom: 1.5rem;
            width: fit-content;
            border: 1px solid rgba(249,115,22,0.3);
        }

        .featured-project-content h3 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1rem;
            line-height: 1.2;
        }

        .featured-project-content p {
            font-size: 1.05rem;
            color: var(--color-gray-300);
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        .featured-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 2rem;
        }

        .featured-tag {
            padding: 0.35rem 0.85rem;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: 100px;
            font-size: 0.8rem;
            color: var(--color-gray-300);
        }

        .btn-featured {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 1.75rem;
            background: var(--color-orange);
            color: var(--color-white);
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-lg);
            transition: all var(--transition-normal);
            width: fit-content;
        }

        .btn-featured:hover {
            background: var(--color-orange-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(249,115,22,0.3);
        }

        .featured-project-image {
            position: relative;
            overflow: hidden;
        }

        .featured-project-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-project-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, var(--color-gray-900) 0%, transparent 30%);
        }

        /* ============================================
           WHY US
           ============================================ */
        .why-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
        }

        .why-card {
            padding: 2rem;
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-xl);
            transition: all var(--transition-normal);
        }

        .why-card:hover {
            background: rgba(255,255,255,0.08);
            border-color: rgba(124,58,237,0.3);
            transform: translateY(-3px);
        }

        .why-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, var(--color-purple), var(--color-orange));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.25rem;
            font-size: 1.25rem;
            color: white;
        }

        .why-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 0.5rem;
        }

        .why-card p {
            font-size: 0.9rem;
            color: var(--color-gray-400);
            line-height: 1.6;
        }

        /* ============================================
           PROCESS
           ============================================ */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            position: relative;
        }

        .process-grid::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 12.5%;
            right: 12.5%;
            height: 2px;
            background: linear-gradient(90deg, var(--color-purple), var(--color-orange));
            opacity: 0.2;
            z-index: 0;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .process-number {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: var(--color-white);
            border: 2px solid var(--color-gray-200);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-purple);
            transition: all var(--transition-normal);
        }

        .process-step:hover .process-number {
            background: var(--color-purple);
            color: var(--color-white);
            border-color: var(--color-purple);
            transform: scale(1.08);
        }

        .process-step h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-gray-900);
            margin-bottom: 0.5rem;
        }

        .process-step p {
            font-size: 0.9rem;
            color: var(--color-gray-500);
            line-height: 1.6;
        }

        /* ============================================
           CONTACT FORM
           ============================================ */
        .contact {
            background: linear-gradient(135deg, #faf5ff 0%, #ffffff 50%, #fff7ed 100%);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 4rem;
            align-items: start;
        }

        .contact-info h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.5rem);
            font-weight: 800;
            color: var(--color-gray-900);
            margin-bottom: 1rem;
            line-height: 1.2;
        }

        .contact-info > p {
            font-size: 1.05rem;
            color: var(--color-gray-600);
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        .contact-methods {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .contact-method {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem 1.25rem;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-gray-100);
            transition: all var(--transition-normal);
        }

        .contact-method:hover {
            border-color: var(--color-purple-light);
            box-shadow: var(--shadow-md);
        }

        .contact-method-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: rgba(124,58,237,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-purple);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .contact-method-text {
            font-size: 0.9rem;
            color: var(--color-gray-600);
        }

        .contact-method-text strong {
            display: block;
            color: var(--color-gray-900);
            font-size: 0.95rem;
        }

        .contact-form-wrapper {
            background: var(--color-white);
            border-radius: var(--radius-2xl);
            padding: 2.5rem;
            box-shadow: var(--shadow-xl);
            border: 1px solid var(--color-gray-100);
        }

        .form-group {
            margin-bottom: 1.25rem;
        }

        .form-group label {
            display: block;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--color-gray-700);
            margin-bottom: 0.5rem;
        }

        .form-group label .required {
            color: var(--color-orange);
        }

        .form-control {
            width: 100%;
            padding: 0.75rem 1rem;
            font-size: 0.95rem;
            font-family: inherit;
            color: var(--color-gray-800);
            background: var(--color-gray-50);
            border: 1.5px solid var(--color-gray-200);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            outline: none;
        }

        .form-control:focus {
            border-color: var(--color-purple);
            background: var(--color-white);
            box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
        }

        .form-control.error {
            border-color: #ef4444;
        }

        .form-control::placeholder {
            color: var(--color-gray-400);
        }

        textarea.form-control {
            resize: vertical;
            min-height: 120px;
        }

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

        .form-error {
            font-size: 0.8rem;
            color: #ef4444;
            margin-top: 0.35rem;
            display: none;
        }

        .form-error.visible {
            display: block;
        }

        .form-submit {
            width: 100%;
            padding: 1rem;
            background: var(--color-purple);
            color: var(--color-white);
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius-lg);
            transition: all var(--transition-normal);
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .form-submit:hover {
            background: var(--color-purple-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(124,58,237,0.3);
        }

        .form-submit:disabled {
            opacity: 0.7;
            cursor: not-allowed;
            transform: none;
        }

        .form-message {
            padding: 1rem;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            margin-top: 1rem;
            display: none;
        }

        .form-message.success {
            display: block;
            background: #f0fdf4;
            color: #166534;
            border: 1px solid #bbf7d0;
        }

        .form-message.error {
            display: block;
            background: #fef2f2;
            color: #991b1b;
            border: 1px solid #fecaca;
        }

        /* ============================================
           CTA SECTION
           ============================================ */
        .cta-section {
            background: linear-gradient(135deg, var(--color-purple) 0%, var(--color-purple-dark) 100%);
            color: var(--color-white);
            text-align: center;
            padding: 5rem 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(249,115,22,0.2) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-section h2 {
            font-size: clamp(1.8rem, 4vw, 2.75rem);
            font-weight: 800;
            margin-bottom: 1rem;
            position: relative;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.85);
            margin-bottom: 2rem;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
        }

        .btn-cta-white {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 1rem 2rem;
            background: var(--color-white);
            color: var(--color-purple);
            font-size: 1rem;
            font-weight: 700;
            border-radius: var(--radius-lg);
            transition: all var(--transition-normal);
            position: relative;
        }

        .btn-cta-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        /* ============================================
           FOOTER
           ============================================ */
        .footer {
            background: var(--color-gray-900);
            color: var(--color-gray-400);
            padding: 4rem 0 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-brand {
            max-width: 280px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }

        .footer-logo img {
            width: 108px;
            height: auto;
            max-height: 58px;
            object-fit: contain;
            display: block;
        }

        .footer-logo-text {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-white);
        }

        .footer-logo-text span {
            color: var(--color-purple-light);
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .footer-domain {
            font-size: 0.85rem;
            color: var(--color-purple-light);
            font-weight: 500;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 1.25rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .footer-col a {
            font-size: 0.9rem;
            color: var(--color-gray-400);
            transition: color var(--transition-fast);
        }

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

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1rem;
            font-size: 0.9rem;
        }

        .footer-contact-item svg {
            width: 18px;
            height: 18px;
            fill: var(--color-purple-light);
            flex-shrink: 0;
        }

        .footer-contact-item a {
            color: var(--color-gray-400);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .footer-bottom p {
            font-size: 0.85rem;
        }

        .footer-bottom-lang {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-bottom-lang .lang-btn {
            color: var(--color-gray-500);
        }

        .footer-bottom-lang .lang-btn.active {
            color: var(--color-purple-light);
            background: rgba(124,58,237,0.15);
        }

        /* ============================================
           WHATSAPP FLOATING (MOBILE)
           ============================================ */
        .whatsapp-float {
            display: none;
            position: fixed;
            bottom: 1.5rem;
            right: 1.5rem;
            z-index: 900;
            padding: 0.85rem 1.25rem;
            background: #25D366;
            color: var(--color-white);
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: 100px;
            box-shadow: 0 4px 15px rgba(37,211,102,0.4);
            align-items: center;
            gap: 0.5rem;
            transition: all var(--transition-normal);
            text-decoration: none;
        }

        .whatsapp-float:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(37,211,102,0.5);
        }

        .whatsapp-float svg {
            width: 20px;
            height: 20px;
            fill: white;
        }

        /* ============================================
           ANIMATIONS
           ============================================ */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ============================================
           RESPONSIVE
           ============================================ */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 3rem;
            }

            .hero-visual {
                order: -1;
            }

            .hero-visual-composition {
                max-width: 400px;
                margin: 0 auto;
            }

            .problem-grid {
                grid-template-columns: 1fr;
                gap: 3rem;
            }

            .problem-visual {
                order: -1;
            }

            .contact-grid {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }

            .featured-project {
                grid-template-columns: 1fr;
            }

            .featured-project-image {
                min-height: 300px;
            }

            .featured-project-image::after {
                background: linear-gradient(180deg, transparent 50%, var(--color-gray-900) 100%);
            }

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

        @media (max-width: 768px) {
            .header-nav {
                display: none;
            }

            .header-cta {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-menu {
                display: flex;
            }

            .header-whatsapp {
                display: none;
            }

            .hero {
                padding: 7rem 0 3rem;
            }

            .hero h1 {
                font-size: 2rem;
            }

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

            .hero-ctas {
                flex-direction: column;
            }

            .btn-primary, .btn-secondary {
                justify-content: center;
            }

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

            .problem-list {
                grid-template-columns: 1fr;
            }

            .problem-arrow {
                display: none;
            }

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

            .portfolio-card.featured {
                grid-column: span 1;
                grid-row: span 1;
            }

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

            .process-grid::before {
                display: none;
            }

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

            .contact-form-wrapper {
                padding: 1.5rem;
            }

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

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

            .whatsapp-float {
                display: flex;
            }

            .section {
                padding: 3.5rem 0;
            }

            .featured-project-content {
                padding: 2rem;
            }
        }

        @media (max-width: 480px) {
            .hero-visual-composition {
                max-width: 300px;
            }

            .hero-float-card:nth-child(1) { width: 65%; }
            .hero-float-card:nth-child(2) { width: 60%; }
            .hero-float-card:nth-child(3) { width: 70%; }

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

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

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

        /* Focus states for accessibility */
        a:focus-visible,
        button:focus-visible,
        .form-control:focus-visible {
            outline: 2px solid var(--color-purple);
            outline-offset: 2px;
        }

        /* Skip link */
        .skip-link {
            position: absolute;
            top: -100%;
            left: 1rem;
            padding: 0.75rem 1.5rem;
            background: var(--color-purple);
            color: var(--color-white);
            font-weight: 600;
            border-radius: var(--radius-md);
            z-index: 10000;
            transition: top var(--transition-fast);
        }

        .skip-link:focus {
            top: 1rem;
        }