/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&display=swap');

:root {
    --bg-color: #0d1117;
    --card-bg: rgba(22, 27, 34, 0.7);
    --text-primary: #ffffff;
    --text-secondary: #8b949e;
    --accent: #00f2ea;
    --accent-glow: rgba(0, 242, 234, 0.3);
    --border: rgba(240, 246, 252, 0.1);
    --glass: rgba(255, 255, 255, 0.05);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.text-gradient {
    background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
    display: block;
    margin: 0 auto 3rem auto;
    width: fit-content;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
    box-shadow: 0 0 15px var(--accent-glow);
}

/* Header */
header {
    padding: 20px 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

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

.nav-links a {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(circle at 50% 50%, rgba(0, 242, 234, 0.05) 0%, transparent 70%);
    padding-top: 80px;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--accent);
    color: #000;
    font-weight: 700;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--accent-glow);
}

/* Products Section */
.products {
    padding: 100px 0;
}

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

.product-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 10px 40px -10px rgba(0, 242, 234, 0.2);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.03), transparent);
    transform: translateX(-100%);
    transition: 0.5s;
}

.product-card:hover::before {
    transform: translateX(100%);
}

.product-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--accent);
}

.product-size {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.product-price {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.price-value {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 2.5rem;
}

.product-details {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 30px;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: linear-gradient(to top, #00f2ea 0%, var(--bg-color) 100%);
    /* Adjusted gradient for visual distinction at bottom, optionally */
    background: linear-gradient(to top, #000, var(--bg-color));
    text-align: center;
    min-height: auto;
    display: block;
    scroll-snap-align: none;
}

.contact p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

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

.btn-whatsapp {
    background: var(--whatsapp-color);
    box-shadow: 0 0 20px var(--whatsapp-glow);
    color: #fff;
}

.btn-whatsapp:hover {
    box-shadow: 0 0 30px var(--whatsapp-glow);
}

/* Footer */
footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }

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

    .nav-links {
        display: none;
        /* Simple hiding for now, can be improved with JS menu */
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.show {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
}

.modal-content {
    background-color: #161b22;
    margin: auto;
    padding: 40px;
    border: 1px solid var(--border);
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    text-align: center;
    position: relative;
    transform: scale(0.7);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.modal.show .modal-content {
    transform: scale(1);
}

.close-modal {
    color: var(--text-secondary);
    float: right;
    font-size: 28px;
    font-weight: bold;
    position: absolute;
    top: 15px;
    right: 25px;
    cursor: pointer;
    transition: var(--transition);
}

.close-modal:hover,
.close-modal:focus {
    color: var(--accent);
    text-decoration: none;
    cursor: pointer;
}

.modal h2 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.modal p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.modal-buttons {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 20px;
}

.modal-btn {
    width: 80px;
    height: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 0.9rem;
    border-radius: 15px;
    padding: 0;
    transition: var(--transition);
}

.modal-btn i {
    font-size: 1.5rem;
}

.modal-btn:hover {
    transform: translateY(-5px);
}

/* Order Form Styles */
.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.form-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 10px rgba(0, 242, 234, 0.1);
}

.form-input::placeholder {
    color: var(--text-secondary);
}