/* =====================================================
   PULSATEK - Premium Dark Mode Landing Page
   Color Principal: Púrpura (#A855F7)
   ===================================================== */

/* ===== VARIABLES CSS ===== */
:root {
    /* Fondos */
    --bg-primary: #000000;
    --bg-secondary: #09090B;
    --bg-tertiary: #18181B;

    /* Púrpura (Color Principal) */
    --primary-50: #FAF5FF;
    --primary-100: #F3E8FF;
    --primary-200: #E9D5FF;
    --primary-300: #D8B4FE;
    --primary-400: #C084FC;
    --primary-500: #A855F7;
    --primary-600: #9333EA;
    --primary-700: #7E22CE;
    --primary-800: #6B21A8;
    --primary-900: #581C87;

    /* Textos */
    --text-primary: #FFFFFF;
    --text-secondary: #E4E4E7;
    --text-tertiary: #A1A1AA;
    --text-quaternary: #71717A;

    /* Acentos */
    --success: #22C55E;
    --info: #3B82F6;
    --warning: #F59E0B;

    /* Tipografía */
    --font-display: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Espaciado */
    --container-width: 1280px;
    --section-padding: 120px;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

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

/* ===== PARTÍCULAS DE FONDO ===== */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: radial-gradient(circle, var(--primary-500), transparent);
    border-radius: 50%;
    opacity: 0.4;
    animation: float-particle 20s infinite ease-in-out;
}

@keyframes float-particle {

    0%,
    100% {
        transform: translate(0, 0);
        opacity: 0.4;
    }

    25% {
        transform: translate(100px, -100px);
        opacity: 0.8;
    }

    50% {
        transform: translate(-50px, -200px);
        opacity: 0.6;
    }

    75% {
        transform: translate(-100px, -100px);
        opacity: 0.8;
    }
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 24px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(168, 85, 247, 0.1);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    padding: 16px 0;
}

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

.nav-brand .logo {
    height: 40px;
    width: auto;
}

.logo-placeholder,
.logo-text {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-400), var(--primary-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-500);
    transition: width 0.3s ease;
}

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

.nav-link:hover::after {
    width: 100%;
}

.btn-nav-cta {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
    color: var(--text-primary);
    padding: 10px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    box-shadow: 0 0 0 1px rgba(168, 85, 247, 0.5);
}

.btn-nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 0 2px rgba(168, 85, 247, 0.8), 0 8px 24px rgba(168, 85, 247, 0.4);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 100px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(ellipse at center, rgba(168, 85, 247, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fade-in-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(168, 85, 247, 0.05));
    border: 1px solid rgba(168, 85, 247, 0.2);
    border-radius: 100px;
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.label-icon {
    font-size: 18px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 76px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-400), var(--primary-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 40px;
    max-width: 540px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-500) 30%, var(--primary-400) 60%, var(--primary-500) 100%);
    background-size: 200% 200%;
    animation: gradient-shift 4s ease infinite;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 16px;
    padding: 16px 32px;
    border-radius: 12px;
    border: none;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 0 0 1px rgba(168, 85, 247, 0.5), 0 4px 24px rgba(168, 85, 247, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    filter: brightness(1.1);
    box-shadow: 0 0 0 2px rgba(168, 85, 247, 0.8), 0 8px 40px rgba(168, 85, 247, 0.6);
}

.btn-primary.btn-large {
    font-size: 18px;
    padding: 20px 40px;
}

@keyframes gradient-shift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 16px;
    padding: 16px 32px;
    border-radius: 12px;
    border: 2px solid rgba(168, 85, 247, 0.3);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: var(--primary-500);
    background: rgba(168, 85, 247, 0.1);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 32px;
    align-items: center;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-400), var(--primary-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-number::after {
    content: '/7';
    font-size: 24px;
    opacity: 0;
}

.stat-number[data-target="24"]::after {
    content: '/7';
    opacity: 1;
}

.stat-number[data-target="10"]::after {
    content: 'x';
    opacity: 1;
}

.stat-number[data-target="80"]::after {
    content: '%';
    opacity: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--text-tertiary);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(168, 85, 247, 0.2);
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.sphere-container {
    position: relative;
    width: 500px;
    height: 500px;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(0 0 40px rgba(168, 85, 247, 0.6)) drop-shadow(0 0 80px rgba(168, 85, 247, 0.4));
}

.sphere-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.sphere {
    width: 400px;
    height: 400px;
    position: relative;
    transform-style: preserve-3d;
    animation: float 6s ease-in-out infinite;
}

.sphere-inner {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1) 0%, rgba(168, 85, 247, 0.2) 100%);
    border-radius: 50%;
    border: 2px solid rgba(168, 85, 247, 0.3);
    box-shadow: 0 0 60px rgba(168, 85, 247, 0.4), 0 0 120px rgba(168, 85, 247, 0.3), inset 0 0 60px rgba(168, 85, 247, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    25% {
        transform: translateY(-20px) rotate(2deg);
    }

    50% {
        transform: translateY(-10px) rotate(-2deg);
    }

    75% {
        transform: translateY(-30px) rotate(1deg);
    }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== SOCIAL PROOF ===== */
.social-proof {
    padding: 60px 0;
    border-bottom: 1px solid rgba(168, 85, 247, 0.1);
}

.social-proof-text {
    text-align: center;
    color: var(--text-tertiary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 32px;
}

.clients-logos {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.client-logo {
    color: var(--text-quaternary);
    font-weight: 600;
    font-size: 18px;
    opacity: 0.5;
    transition: all 0.3s ease;
    filter: grayscale(100%);
}

.client-logo:hover {
    opacity: 1;
    color: var(--primary-400);
    filter: grayscale(0%);
}

/* ===== SECTIONS COMUNES ===== */
section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary-400);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
}

/* ===== GLASS CARD ===== */
.glass-card {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.08) 0%, rgba(168, 85, 247, 0.04) 50%, rgba(168, 85, 247, 0.08) 100%);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(168, 85, 247, 0.15);
    border-radius: 24px;
    padding: 32px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2), inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    border-color: rgba(168, 85, 247, 0.35);
    box-shadow: 0 25px 50px -12px rgba(168, 85, 247, 0.35);
    transform: translateY(-4px);
}

/* ===== SERVICIOS ===== */
.services {
    background: radial-gradient(ellipse at center, rgba(168, 85, 247, 0.1) 0%, transparent 70%);
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.service-card {
    padding: 40px 32px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(168, 85, 247, 0.2);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(168, 85, 247, 0.5);
    box-shadow: 0 20px 40px rgba(168, 85, 247, 0.3);
}

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

.service-icon-large {
    font-size: 64px;
    filter: drop-shadow(0 0 20px rgba(168, 85, 247, 0.6));
    transition: transform 0.4s ease;
}

.service-card:hover .service-icon-large {
    transform: scale(1.1) rotateY(180deg);
}

.service-name {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--primary-300), var(--primary-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-top: 8px;
}

.service-tags .tag {
    padding: 6px 14px;
    background: rgba(168, 85, 247, 0.15);
    border: 1px solid rgba(168, 85, 247, 0.3);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-300);
    transition: all 0.3s ease;
}

.service-tags .tag:hover {
    background: rgba(168, 85, 247, 0.25);
    border-color: rgba(168, 85, 247, 0.5);
    transform: translateY(-2px);
}



/* ===== CÓMO FUNCIONA - TIMELINE ===== */
.how-it-works {
    background: var(--bg-secondary);
}

.timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-top: 60px;
}

.timeline-item {
    position: relative;
}

.timeline-number {
    font-family: var(--font-display);
    font-size: 72px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-400), var(--primary-700));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 16px;
}

.timeline-content h3 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.timeline-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== RESULTADOS ===== */
.results {
    background: radial-gradient(ellipse at center, rgba(168, 85, 247, 0.08) 0%, transparent 70%);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.result-card {
    text-align: center;
    padding: 48px 32px;
}

.result-icon {
    font-size: 48px;
    margin-bottom: 16px;
    filter: drop-shadow(0 0 20px rgba(168, 85, 247, 0.6));
}

.result-number {
    font-family: var(--font-display);
    font-size: 56px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-400), var(--primary-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 12px;
}

.result-label {
    font-size: 14px;
    color: var(--text-tertiary);
    font-weight: 500;
}

/* ===== TESTIMONIOS ===== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.testimonial-card {
    padding: 40px;
}

.quote-mark {
    font-size: 64px;
    line-height: 1;
    color: var(--primary-500);
    opacity: 0.3;
    margin-bottom: 16px;
}

.testimonial-text {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 16px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-400));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    border: 2px solid rgba(168, 85, 247, 0.3);
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.author-role {
    font-size: 14px;
    color: var(--text-tertiary);
}

.rating {
    font-size: 18px;
}

/* ===== CTA FINAL ===== */
.cta-final {
    background: radial-gradient(ellipse at center, rgba(168, 85, 247, 0.2) 0%, rgba(168, 85, 247, 0.05) 50%, transparent 100%);
    padding: 120px 0;
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-display);
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
}

.cta-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.cta-note {
    margin-top: 24px;
    font-size: 14px;
    color: var(--text-tertiary);
}

/* ===== FORMULARIO DEMO ===== */
.demo-form {
    max-width: 700px;
    margin: 48px auto 0;
    text-align: left;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: rgba(168, 85, 247, 0.08);
    border: 1px solid rgba(168, 85, 247, 0.25);
    border-radius: 12px;
    font-size: 16px;
    color: var(--text-primary);
    font-family: var(--font-body);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-quaternary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    background: rgba(168, 85, 247, 0.12);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.15);
}

.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
    border-color: rgba(239, 68, 68, 0.5);
}

.form-group input:valid:not(:placeholder-shown),
.form-group textarea:valid:not(:placeholder-shown) {
    border-color: rgba(34, 197, 94, 0.5);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    margin-top: 12px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-submit:not(:disabled):hover {
    transform: translateY(-2px) scale(1.02);
}

.form-note {
    text-align: center;
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-tertiary);
}

/* Mensajes de estado */
.form-message {
    margin-top: 24px;
    padding: 16px 24px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    font-weight: 500;
    animation: slide-down 0.4s ease;
}

@keyframes slide-down {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-message.success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #4ade80;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

.message-icon {
    font-size: 24px;
}

.message-text {
    flex: 1;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-secondary);
    padding: 80px 0 40px;
    border-top: 1px solid rgba(168, 85, 247, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    height: 32px;
    margin-bottom: 16px;
}

.footer-logo-text {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-400), var(--primary-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.footer-tagline {
    color: var(--text-tertiary);
    font-size: 14px;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.social-link {
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.social-link:hover {
    color: var(--primary-400);
}

.footer-links h4 {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-links a {
    display: block;
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-400);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid rgba(168, 85, 247, 0.1);
}

.footer-bottom p {
    color: var(--text-quaternary);
    font-size: 14px;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--text-quaternary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: var(--primary-400);
}

/* ===== RESPONSIVE ===== */

/* Tablet */
@media (max-width: 1023px) {
    :root {
        --section-padding: 80px;
    }

    .hero-title {
        font-size: 56px;
    }

    .section-title {
        font-size: 40px;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .service-card {
        padding: 32px 24px;
    }

    .timeline {
        grid-template-columns: repeat(2, 1fr);
    }

    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    /* Formulario responsive */
    .demo-form {
        max-width: 600px;
    }

    .form-row {
        gap: 16px;
    }
}

/* Mobile */
@media (max-width: 767px) {
    :root {
        --section-padding: 60px;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        flex-wrap: wrap;
        justify-content: center;
    }

    .sphere-container {
        width: 300px;
        height: 300px;
    }

    .sphere {
        width: 250px;
        height: 250px;
    }

    .section-title {
        font-size: 32px;
    }

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

    .service-card {
        padding: 32px 24px;
    }

    .service-icon-large {
        font-size: 56px;
    }

    .service-name {
        font-size: 22px;
    }

    .service-desc {
        font-size: 15px;
    }

    .service-tags .tag {
        font-size: 11px;
        padding: 5px 12px;
    }

    .timeline {
        grid-template-columns: 1fr;
    }

    .results-grid {
        grid-template-columns: 1fr;
    }

    .cta-title {
        font-size: 36px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    /* Reducir partículas en mobile */
    .particle:nth-child(n+20) {
        display: none;
    }

    /* Formulario mobile */
    .demo-form {
        margin-top: 32px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-bottom: 16px;
    }

    .form-group input,
    .form-group textarea {
        font-size: 16px;
        /* Evita zoom automático en iOS */
    }

    .cta-subtitle {
        font-size: 18px;
        margin-bottom: 32px;
    }

    .form-message {
        padding: 14px 18px;
        font-size: 14px;
    }
}

/* Animaciones de entrada */
.animate-in {
    animation: fade-in-up 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}