/* NexusPoint Home V2 - Design System & Responsive Foundation */
/* Sprint 24: Variables heredadas de vars.css. NO duplicar :root aquí (regla 3). */
:root {
    /* Layout Constants (propias de Home) */
    --container-max: 1280px;
    --radius-xl: 24px;
    --primary-light: #818cf8;
    --accent: #06b6d4;

    /* Aliases para compatibilidad interna de Home */
    --text-main: var(--text-primary);
    --text-sec: var(--text-secondary);

    /* Fluid Typography */
    --fs-xs: clamp(0.75rem, 0.65rem + 0.25vw, 0.875rem);
    --fs-sm: clamp(0.875rem, 0.8rem + 0.3vw, 1rem);
    --fs-base: clamp(1rem, 0.95rem + 0.4vw, 1.125rem);
    --fs-lg: clamp(1.125rem, 1.05rem + 0.5vw, 1.25rem);
    --fs-xl: clamp(1.25rem, 1.1rem + 0.8vw, 1.5rem);
    --fs-2xl: clamp(1.5rem, 1.3rem + 1.2vw, 2rem);
    --fs-3xl: clamp(2rem, 1.7rem + 2vw, 3rem);
    --fs-hero: clamp(2.5rem, 2rem + 4vw, 4.5rem);
}

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

html,
body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
}

h1,
h2,
h3,
.brand-font {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
}

/* Base Components */
.btn {
    padding: clamp(12px, 2vw, 16px) clamp(24px, 3vw, 32px);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--fs-base);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    min-width: 44px;
    min-height: 44px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(99, 102, 241, 0.5);
    filter: brightness(1.1);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--border);
    color: var(--text-primary);
}

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

.text-gradient {
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--primary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.glass-card {
    background: var(--glass);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 32px;
}

/* SECTION 1 - NAVBAR */
.navbar {
    height: 80px;
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 2000;
    background: transparent;
    transition: all 0.4s ease;
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: var(--glass);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    height: 70px;
}

.scroll-indicator {
    position: absolute;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--primary);
    width: 0%;
    z-index: 2001;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--text-sec);
    font-weight: 500;
    font-size: var(--fs-base);
    transition: 0.3s;
}

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

.nav-ctas {
    display: flex;
    gap: 15px;
    align-items: center;
}

/* Mobile Sidebar */
.nav-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    padding: 8px;
    cursor: pointer;
    z-index: 2100;
    align-items: center;
    justify-content: center;
    transition: 0.3s opacity;
}

.nav-menu-btn:active {
    opacity: 0.7;
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--modal-overlay);
    backdrop-filter: blur(4px);
    display: none;
    z-index: 2050;
}

.mobile-sidebar {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background: var(--bg-dark);
    z-index: 2060;
    padding: 100px 40px;
    display: flex;
    flex-direction: column;
    gap: 30px;
    transition: 0.5s cubic-bezier(0.77, 0.2, 0.05, 1);
    box-shadow: -20px 0 50px rgba(0, 0, 0, 0.5);
}

.mobile-sidebar.active {
    right: 0;
}

/* BREAKPOINT RULES */
@media (max-width: 767px) {

    .nav-links,
    .nav-ctas {
        display: none;
    }

    .nav-menu-btn {
        display: flex;
    }

    .btn {
        width: 100%;
        padding: 14px 20px;
    }

    .glass-card {
        padding: 24px !important;
    }

    section {
        padding: 60px 0 !important;
    }
}

/* Specific Grid Adjustments */
.hero-grid {
    display: grid;
    gap: 40px;
}

@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr !important;
        gap: 60px;
    }
}

.features-grid {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Tablet - Tablet L */
@media (max-width: 1279px) {
    .nav-links {
        gap: 1.5rem;
    }
}

/* Large Screens */
@media (min-width: 1920px) {
    :root {
        --container-max: 1600px;
    }
}

/* Touch Targets & Accessibility */
button,
a {
    min-width: 44px;
    min-height: 44px;
}

/* Animation Utilities */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

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

/* Brand Specific Components */
.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.navbar-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 8px;
}

.navbar-nombre {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 1px;
}

.hero-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--hover-bg);
    border: 1px solid var(--glass-border);
    padding: 8px 16px;
    border-radius: 30px;
    margin-bottom: 30px;
    font-family: 'Outfit', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.hero-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.footer-logo-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    border-radius: 8px;
}

.footer-nombre {
    font-family: 'Outfit', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 1px;
}

.footer-bottom {
    border-top: 1px solid var(--glass-border);
    padding-top: 20px;
    margin-top: 40px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
}