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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-card: #1a1a1a;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --border: #262626;
    --radius: 12px;
    --transition: 0.2s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

ul {
    list-style: none;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.25rem;
    font-weight: 600;
    color: #8fbffa;
}

.logo-icon {
    width: 24px;
    height: 24px;
}

.logo span {
    display: inline;
}

.menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    color: #8fbffa;
    font-size: 1.5rem;
}

.nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
}

.nav-links.active {
    display: flex;
}

.nav-links li {
    border-bottom: 1px solid var(--border);
}

.nav-links li:last-child {
    border-bottom: none;
}

.nav-links a {
    display: block;
    padding: 16px 20px;
    color: var(--text-secondary);
    transition: color var(--transition);
}

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

.nav-links {
    text-align: center;
}

.nav-icon {
    width: 18px;
    height: 18px;
    vertical-align: middle;
    margin-right: 6px;
}

@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }

    .nav-links {
        display: flex;
        position: static;
        background: transparent;
        border: none;
        flex-direction: row;
        gap: 32px;
    }

    .nav-links li {
        border: none;
    }

    .nav-links a {
        padding: 0;
    }
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 20px 60px;
    background: radial-gradient(ellipse at center, #1a1a2e 0%, var(--bg-primary) 70%);
}

.hero-content {
    max-width: 700px;
}

.hero-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.1;
    color: #8fbffa;
    text-shadow: 0 0 40px rgba(143, 191, 250, 0.5);
}

.click-word {
    display: inline-block;
    animation: click-blink 1.5s ease-in-out infinite;
}

@keyframes click-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-subtitle {
    font-size: clamp(1rem, 3vw, 1.125rem);
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 500;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

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

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

.btn-whatsapp {
    background-color: #25D366;
    color: var(--text-primary);
}

.btn-whatsapp:hover {
    background-color: #20bd5a;
}

.btn-email {
    background-color: #EA4335;
    color: var(--text-primary);
}

.btn-email:hover {
    background-color: #d33426;
}

.contact-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

@media (min-width: 640px) {
    .contact-buttons {
        flex-direction: row;
        justify-content: center;
    }
}

.contact-buttons .btn {
    width: 220px;
    height: 60px;
    justify-content: center;
    font-size: 1.25rem;
}

.contact-buttons .btn img {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.contact-info {
    text-align: center;
    margin-top: 16px;
}

.contact-number,
.contact-email {
    display: block;
    font-size: 1rem;
    font-weight: 500;
}

.contact-number {
    color: var(--text-primary);
}

.contact-email {
    color: var(--accent);
}

.section {
    padding: 80px 0;
}

.section-alt {
    background-color: var(--bg-secondary);
}

.section-title {
    font-size: clamp(1.75rem, 5vw, 2.25rem);
    font-weight: 600;
    text-align: center;
    margin-bottom: 48px;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 640px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1280px) {
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    text-align: center;
    transition: border-color var(--transition);
}

.card:hover {
    border-color: var(--accent);
}

.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    background-color: rgba(59, 130, 246, 0.1);
    border-radius: 50%;
    margin-bottom: 16px;
    font-size: 1.5rem;
}

.card-icon-text {
    font-size: 3rem;
    margin-bottom: 16px;
}

.card-emoji {
    font-size: 3rem;
    margin-bottom: 16px;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.card-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.share-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 700px;
    margin: 0 auto;
}

@media (min-width: 640px) {
    .share-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.card-share {
    padding: 40px 24px;
}

.share-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
}

.whatsapp-icon {
    width: 24px;
    height: 24px;
}

.contact-text {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 1.125rem;
}

#contacto .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.btn-whatsapp {
    font-size: 1.125rem;
    padding: 18px 36px;
}

.contact-number {
    margin-top: 16px;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 32px 0;
}

.footer-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.section-desc {
    text-align: center;
    color: var(--text-secondary);
    margin-top: -32px;
    margin-bottom: 40px;
    font-size: 1rem;
}

.examples-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

@media (min-width: 640px) {
    .examples-grid {
        flex-direction: row;
        justify-content: center;
        align-items: flex-start;
        gap: 30px;
    }

    .links-column {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }
}

.example-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: border-color var(--transition), transform var(--transition);
}

.example-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.example-link {
    font-size: 0.875rem;
    color: var(--accent);
    word-break: break-all;
}

.example-icon {
    font-size: 2.5rem;
}

.example-name {
    flex: 1;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.example-arrow {
    font-size: 1.25rem;
    color: var(--accent);
}