/* VARIABLES */
:root {
    --primary: #0066ff;
    --secondary: #00c2a8;
    --accent: #ff6b35;
    --dark: #1a1a2e;
    --light: #f8f9fa;
    --text: #333;
    --border-radius: 12px;
    --transition: all 0.3s ease;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
}

/* RESET Y BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text);
    overflow-x: hidden;
}

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

/* HEADER */
.header {
    background: white;
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
}

.logo span {
    color: var(--primary);
}

.nav {
    display: flex;
    gap: 30px;
}

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

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
}

/* HERO */
.hero {
    background: url(/img/diseno-web-arequipa.webp); /*linear-gradient(135deg, var(--primary), var(--secondary));*/
    color: white;
    padding: 180px 20px 120px;
    text-align: center;
    margin-top: 70px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 20px;
}

.hero h1 span {
    display: block;
    color: #ffd700;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 40px;
    opacity: 0.95;
}

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

/* BOTONES */
.btn {
    padding: 15px 35px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
    border: none;
    font-size: 16px;
}

.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover {
    background: #e55a2b;
    transform: translateY(-2px);
}

.btn-secondary {
    background: white;
    color: var(--primary);
}

.btn-secondary:hover {
    background: var(--light);
}

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

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

.btn-block {
    width: 100%;
}

/* SECCIONES GENERALES */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: var(--dark);
}

/* SERVICIOS */
.servicios {
    padding: 100px 20px;
    background: var(--light);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.card {
    background: white;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-8px);
}

.card .icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark);
}

/* POR QUÉ ELEGIRNOS */
.porque {
    padding: 100px 20px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    text-align: center;
}

.feature h3 {
    color: var(--primary);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

/* PORTFOLIO */
.portfolio {
    padding: 100px 20px;
    background: var(--light);
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.item {
    height: 300px;
    background-size: cover;
    background-position: center;
    border-radius: var(--border-radius);
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

.item .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    padding: 30px;
    transform: translateY(100%);
    transition: var(--transition);
}

.item:hover .overlay {
    transform: translateY(0);
}

/* PRECIOS */
.precios {
    padding: 100px 20px;
}

.plan {
    position: relative;
}

.plan.popular {
    border: 2px solid var(--accent);
    transform: scale(1.05);
}

.plan h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 30px;
}

.price::before {
    content: "Desde ";
    font-size: 1rem;
    font-weight: normal;
}

.plan ul {
    list-style: none;
    margin: 30px 0;
    text-align: left;
}

.plan ul li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
}

.badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: var(--accent);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
}

/* CONTACTO */
.contacto {
    padding: 100px 20px;
    background: var(--light);
}

.form-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 25px;
}

input, textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 16px;
    transition: var(--transition);
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.info h3 {
    margin-bottom: 25px;
    color: var(--dark);
}

.info p {
    margin-bottom: 15px;
}

/* FOOTER */
footer { background: #0a0a0a; color: #fff; padding: 40px 20px; text-align: center; }
footer h3 { color: #4da6ff; margin-bottom: 15px; }
footer a { color: #4da6ff; text-decoration: none; }
footer p { margin: 8px 0; }
.cta-button { display: inline-block; background: #25D366; color: #fff; padding: 12px 30px; border-radius: 5px; margin-top: 15px; }
.footer-bottom { border-top: 1px solid #333; margin-top: 30px; padding-top: 20px; font-size: 14px; }

@media(max-width:768px){ .footer-grid { grid-template-columns: 1fr; } }

/* RESPONSIVE */
@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow);
    }

    .nav.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .plan.popular {
        transform: scale(1);
        margin: 30px 0;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 150px 20px 80px;
    }
    
    .section-title {
        font-size: 2rem;
    }
}