:root {
    --bg: #050a10;
    --royal-blue: #1e40af;
    --space-gray: #1e293b;
    --success-green: #10b981;
    --success-green-hover: #059669;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass: rgba(30, 41, 59, 0.7);
    --border: rgba(255, 255, 255, 0.1);
    --neo-shadow: 8px 8px 0px rgba(0, 0, 0, 0.3);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    color: var(--text-main);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
    padding: 100px 0;
}

.glass {
    background: var(--glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 16px;
}

/* Hero Moderno */
.hero {
    text-align: center;
    padding: 150px 0 100px;
    background: radial-gradient(circle at top right, #1e3a8a33 0%, transparent 70%);
}

.badge {
    background: rgba(30, 64, 175, 0.2);
    color: #60a5fa;
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    border: 1px solid rgba(96, 165, 250, 0.3);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin: 24px 0;
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1.1;
}

.highlight {
    color: var(--success-green);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 40px;
}

/* Estilos de Botones */
.btn-primary {
    background: var(--success-green);
    color: #000;
    padding: 18px 32px;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--neo-shadow);
    display: inline-block;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--success-green-hover);
    transform: translateY(-3px);
    box-shadow: 6px 6px 0px rgba(0, 0, 0, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 1px solid var(--border);
    padding: 18px 32px;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
    cursor: pointer;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: #fff;
    transform: translateY(-3px);
}

.btn-calc {
    background: var(--success-green);
    color: #000;
    width: 100%;
    padding: 18px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    margin-top: 25px;
    box-shadow: var(--neo-shadow);
}

.btn-calc:hover {
    background: var(--success-green-hover);
    transform: translateY(-3px);
}

.btn-submit {
    background: var(--royal-blue);
    color: #fff;
    width: 100%;
    padding: 18px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    margin-top: 15px;
}

.btn-submit:hover {
    background: #1e3a8a;
    transform: translateY(-3px);
}

/* Grid de Proceso */
.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.step-card {
    padding: 40px;
    border-left: 2px solid var(--royal-blue);
    background: rgba(255, 255, 255, 0.02);
    transition: all 0.3s ease;
    border-radius: 8px;
}

.step-card:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(10px);
}

.step-num {
    font-size: 3rem;
    font-weight: 800;
    opacity: 0.2;
    display: block;
    margin-bottom: 10px;
}

/* Calculadora Optimizada */
.calc-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.calc-card {
    padding: 40px;
}

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

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.input-group input {
    width: 100%;
    background: #0f172a;
    border: 1px solid var(--border);
    padding: 15px;
    border-radius: 8px;
    color: #fff;
    font-size: 1.1rem;
    transition: border-color 0.3s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--success-green);
}

.result-box {
    margin-top: 20px;
}

.result-animate h3 {
    color: var(--success-green);
    font-size: 2.5rem;
    font-weight: 800;
}

/* Portfolio Grid */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

.project-card {
    overflow: hidden;
    transition: all 0.4s ease;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--success-green);
}

.project-img {
    height: 200px;
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid var(--border);
}

.project-info {
    padding: 25px;
}

.tag {
    display: inline-block;
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-green);
    padding: 6px 12px;
    border-radius: 100px;
    font-size: 0.8rem;
    margin-top: 15px;
    font-weight: 600;
}

/* Sección de Contacto */
.contact-card {
    padding: 60px;
    text-align: center;
}

.modern-form input {
    width: 100%;
    padding: 15px;
    background: #0f172a;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: #fff;
    margin-bottom: 15px;
    font-size: 1rem;
    display: block;
}

.modern-form input:focus {
    outline: none;
    border-color: var(--royal-blue);
}

/* Animaciones de Entrada */
[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

[data-reveal].visible {
    opacity: 1;
    transform: translateY(0);
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25D366;
    color: #fff;
    padding: 12px 24px;
    border-radius: 100px;
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-weight: 700;
    z-index: 1000;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.05);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    background: #128C7E;
}

.wa-icon {
    display: flex;
    align-items: center;
}

/* Responsive */
@media (max-width: 768px) {
    .calc-wrapper {
        grid-template-columns: 1fr;
    }
    .hero-actions {
        flex-direction: column;
    }
    .contact-card {
        padding: 30px;
    }
}