:root {
    /* Color Palette */
    --bg-color: #121212;
    --text-color: #FFFFFF;
    --accent-color: #CCFF00;
    --accent-glow: rgba(204, 255, 0, 0.4);

    /* Surfaces & Borders */
    --surface-color: rgba(255, 255, 255, 0.03);
    --surface-hover: rgba(255, 255, 255, 0.05);
    --border-color: rgba(255, 255, 255, 0.1);

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Typography Base */
h1,
h2,
h3,
.logo,
.advantage-number {
    font-family: var(--font-heading);
}

.highlight {
    color: var(--accent-color);
}

/* --- Header --- */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    background: rgba(18, 18, 18, 0.5);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.header.scrolled {
    padding: 1rem 5%;
    background: rgba(18, 18, 18, 0.85);
    border-bottom: 1px solid var(--border-color);
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -0.05em;
    text-transform: uppercase;
}

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

.nav-cta {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.6rem 1.2rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: all 0.3s ease;
    background: transparent;
}

.nav-cta:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: rgba(204, 255, 0, 0.05);
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5%;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 900px;
    text-align: center;
    z-index: 10;
    margin-top: 5rem;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 3rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

/* CTA Button */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--accent-color);
    color: #000;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    padding: 1.25rem 2.5rem;
    border-radius: 50px;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 0 20px var(--accent-glow);
    position: relative;
}

.cta-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px var(--accent-glow);
    background-color: #d4ff33;
}

.cta-button svg {
    transition: transform 0.3s ease;
}

.cta-button:hover svg {
    transform: translateX(5px);
}

/* Hero Background Elements */
.hero-bg-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.25;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--accent-color);
    top: -5%;
    right: -10%;
    animation: float 12s ease-in-out infinite;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: #ffffff;
    bottom: -10%;
    left: -15%;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(-30px, 40px) scale(1.05);
    }

    66% {
        transform: translate(20px, -20px) scale(0.95);
    }

    100% {
        transform: translate(0, 0) scale(1);
    }
}

/* --- Common Section Styles --- */
.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    text-align: center;
    margin-bottom: 4rem;
    letter-spacing: -0.02em;
}

/* --- Services Section --- */
.services {
    padding: 8rem 5%;
    background: linear-gradient(180deg, var(--bg-color) 0%, #0d0d0d 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 3rem 2.5rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(204, 255, 0, 0.06), transparent 40%);
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 0;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(204, 255, 0, 0.3);
    background: var(--surface-hover);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card * {
    position: relative;
    z-index: 1;
}

.service-icon {
    color: var(--accent-color);
    margin-bottom: 2rem;
    display: inline-block;
    padding: 1rem;
    background: rgba(204, 255, 0, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(204, 255, 0, 0.1);
}

.service-card h3 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.service-card p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 1rem;
}

/* --- Advantages & Tech Section --- */
.advantages {
    padding: 8rem 5%;
    max-width: 1000px;
    margin: 0 auto;
}

.advantages-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.advantage-item {
    display: flex;
    align-items: center;
    gap: 3rem;
    padding: 3rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: all 0.4s ease;
}

.advantage-item:hover {
    background: var(--surface-hover);
    border-color: rgba(204, 255, 0, 0.2);
    transform: scale(1.01);
}

.advantage-number {
    font-size: 5rem;
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 255, 255, 0.2);
    transition: all 0.4s ease;
    line-height: 1;
    min-width: 100px;
    text-align: center;
}

.advantage-item:hover .advantage-number {
    -webkit-text-stroke: 1px var(--accent-color);
    color: rgba(204, 255, 0, 0.1);
    text-shadow: 0 0 20px var(--accent-glow);
}

.advantage-item h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.advantage-item p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 1.05rem;
}

/* --- Footer --- */
.footer {
    padding: 5rem 5% 2rem;
    border-top: 1px solid var(--border-color);
    background: #080808;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto 4rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: -0.05em;
}

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

.footer-links {
    display: flex;
    gap: 2.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-links a:hover,
.footer-links a.highlight {
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.85rem;
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* --- Scroll Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* --- Ajustes del Logo y Nombre GP Web Design --- */
.brand-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    /* Espacio entre el icono y el texto */
    text-decoration: none;
}

.brand-logo img {
    height: 80px;
    /* Tamaño mucho más grande para compensar el fondo transparente */
    margin: -20px 0;
    /* Este truco esconde el espacio vacío de tu PNG */
    width: auto;
    display: block;
    transition: transform 0.3s ease;
}

.brand-logo:hover img {
    transform: scale(1.05);
}

.brand-text {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--text-color);
    letter-spacing: -0.02em;
}

/* Logo del Footer */
.brand-logo-footer {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.brand-logo-footer img {
    height: 100px;
    /* Más grande en el footer */
    margin: -30px 0;
}
}