/* ========================================
   CSS VARIABLES & DESIGN TOKENS
   ======================================== */
:root {
    /* Colors */
    --color-primary: #112855;
    /* Azul marino corporativo */
    --color-accent: #8ED5F5;
    /* Celeste tecnológico */
    --color-neutral: #E5E5E5;
    /* Gris */
    --color-white: #FFFFFF;
    --color-dark: #0A1934;
    --color-light-bg: #F8FAFB;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, #1a3b6b 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, #5DBFE3 100%);
    --gradient-hero: linear-gradient(135deg, #0A1934 0%, var(--color-primary) 50%, #1a3b6b 100%);
    --gradient-cta: linear-gradient(90deg, var(--color-primary) 0%, #1a3b6b 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    /* 8px */
    --spacing-sm: 1rem;
    /* 16px */
    --spacing-md: 2rem;
    /* 32px */
    --spacing-lg: 4rem;
    /* 64px */
    --spacing-xl: 6rem;
    /* 96px */

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3.5rem;

    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* Effects */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --border-radius-full: 9999px;

    --shadow-sm: 0 2px 4px rgba(17, 40, 85, 0.08);
    --shadow-md: 0 4px 12px rgba(17, 40, 85, 0.12);
    --shadow-lg: 0 12px 24px rgba(17, 40, 85, 0.15);
    --shadow-xl: 0 20px 40px rgba(17, 40, 85, 0.2);

    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Container */
    --container-max-width: 1200px;
    --container-padding: 1.5rem;
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height-normal);
    color: var(--color-primary);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

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

/* ========================================
   BUTTONS
   ======================================== */
.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--color-primary);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 28px rgba(142, 213, 245, 0.4);
}

.btn-primary:active {
    transform: translateY(-1px) scale(1.02);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(142, 213, 245, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-secondary:hover::before {
    left: 100%;
}

.btn-secondary:hover {
    background: var(--color-accent);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 28px rgba(142, 213, 245, 0.5);
}

.btn-icon {
    width: 20px;
    height: 20px;
    stroke-width: 2.5;
}

/* ========================================
   FORM ELEMENTS
   ======================================== */
.input-field {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    color: var(--color-primary);
    background: var(--color-white);
    border: 2px solid var(--color-neutral);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
    outline: none;
}

.input-field:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(142, 213, 245, 0.1);
}

.input-field::placeholder {
    color: #8B9AAA;
}

.textarea-field {
    resize: vertical;
    min-height: 80px;
}

select.input-field {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23112855' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* ========================================
   LOGO HEADER
   ======================================== */
.logo-header {
    position: absolute;
    top: 2rem;
    left: 2rem;
    z-index: 10;
    animation: fadeInUp 0.6s ease-out;
}

.main-logo {
    height: 100px;
    /* Aumentado de 60px */
    width: auto;
    filter: brightness(0) invert(1) drop-shadow(0 2px 10px rgba(0, 0, 0, 0.3));
    /* Blanco para contraste */
    transition: transform 0.3s ease;
}

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

@media (max-width: 767px) {
    .logo-header {
        top: 1rem;
        left: 1rem;
    }

    .main-logo {
        height: 70px;
        /* Aumentado de 45px */
    }
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-lg) 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(142, 213, 245, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-background::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(142, 213, 245, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-text {
    color: var(--color-white);
    z-index: 1;
}

.hero-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-white);
}

.feature-icon {
    width: 18px;
    height: 18px;
    stroke: var(--color-accent);
}

.hero-form-wrapper {
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

/* ========================================
   LEAD FORM
   ======================================== */
.lead-form {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.form-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.form-subtitle {
    font-size: var(--font-size-base);
    color: #5A6C7D;
    margin-bottom: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.btn-submit {
    width: 100%;
    margin-top: var(--spacing-sm);
}

.form-privacy {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: #8B9AAA;
    text-align: center;
}

/* ========================================
   SECTIONS
   ======================================== */
.services,
.benefits,
.cta-section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.section-title-white {
    color: var(--color-white);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    text-align: center;
    color: #5A6C7D;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ========================================
   SERVICES SECTION
   ======================================== */
.services {
    background: linear-gradient(180deg, var(--color-white) 0%, #F1F4F9 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.service-card {
    background: var(--color-white);
    padding: 0;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 6px -1px rgba(17, 40, 85, 0.05), 0 2px 4px -1px rgba(17, 40, 85, 0.03);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid #E5E7EB;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    position: relative;
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 4px;
    background: var(--color-accent);
    transition: width 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.service-card:hover::after {
    width: 100%;
}

.service-image-wrapper {
    width: 100%;
    height: 160px;
    overflow: hidden;
    position: relative;
}

.service-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-img {
    transform: scale(1.1);
}

.service-card-content {
    padding: var(--spacing-md);
}

.service-icon-wrapper {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(142, 213, 245, 0.2) 0%, rgba(142, 213, 245, 0.05) 100%);
    border-radius: var(--border-radius);
    margin: -25px 0 15px 20px;
    position: relative;
    z-index: 2;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.service-icon {
    width: 32px;
    height: 32px;
    stroke: var(--color-primary);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    transition: color 0.3s ease;
}

.service-card:hover .service-icon {
    stroke: var(--color-accent);
    transform: scale(1.1);
}

.service-description {
    color: #5A6C7D;
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-sm);
}

.service-features {
    list-style: none;
}

.service-features li {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    padding: 0.25rem 0;
    font-weight: var(--font-weight-medium);
}

/* ========================================
   BENEFITS SECTION
   ======================================== */
.benefits {
    background: var(--gradient-primary);
    color: var(--color-white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.benefit-item {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: pointer;
}

.benefit-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-8px) scale(1.03);
    border-color: var(--color-accent);
    box-shadow: 0 12px 30px rgba(142, 213, 245, 0.2);
}

.benefit-item:hover .benefit-icon-wrapper {
    transform: scale(1.1) rotate(5deg);
    background: rgba(142, 213, 245, 0.3);
}

.benefit-item:hover .benefit-icon {
    stroke: var(--color-white);
}

.benefit-icon-wrapper {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(142, 213, 245, 0.2);
    border-radius: 50%;
    margin: 0 auto var(--spacing-sm);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.benefit-icon {
    width: 40px;
    height: 40px;
    stroke: var(--color-accent);
    transition: all 0.3s ease;
}

.benefit-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
}

.benefit-description {
    color: rgba(255, 255, 255, 0.9);
    line-height: var(--line-height-relaxed);
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
    background: var(--gradient-cta);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
}

.cta-content {
    text-align: center;
}

.cta-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
}

.cta-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-logo-img {
    height: 80px;
    /* Aumentado de 50px */
    width: auto;
    margin-bottom: var(--spacing-sm);
    filter: brightness(0) invert(1);
    /* Logo blanco para fondo oscuro */
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    list-style: none;
}

.footer-links li,
.footer-contact li {
    padding: 0.25rem 0;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
}

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

.footer-contact {
    list-style: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-sm);
}

/* ========================================
   SUCCESS MESSAGE
   ======================================== */
.success-message {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 25, 52, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
}

.success-message.active {
    opacity: 1;
    visibility: visible;
}

.success-content {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    text-align: center;
    max-width: 400px;
    box-shadow: var(--shadow-xl);
    animation: scaleIn 0.4s ease-out;
}

.success-icon {
    width: 80px;
    height: 80px;
    stroke: #10B981;
    margin: 0 auto var(--spacing-md);
}

.success-content h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.success-content p {
    color: #5A6C7D;
    font-size: var(--font-size-lg);
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ========================================
   RESPONSIVE DESIGN - TABLET
   ======================================== */
@media (min-width: 768px) {
    :root {
        --container-padding: 2rem;
        --font-size-3xl: 3rem;
        --font-size-4xl: 4rem;
    }

    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }

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

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

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

/* ========================================
   RESPONSIVE DESIGN - DESKTOP
   ======================================== */
@media (min-width: 1024px) {
    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .benefits-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ========================================
   MOBILE OPTIMIZATIONS
   ======================================== */
@media (max-width: 767px) {
    .hero {
        min-height: auto;
        padding: var(--spacing-md) 0;
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .cta-title {
        font-size: var(--font-size-2xl);
    }

    /* Sticky form on mobile when scrolled past hero */
    .lead-form.sticky {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
        box-shadow: 0 -4px 20px rgba(17, 40, 85, 0.2);
        animation: slideUp 0.3s ease-out;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }

    to {
        transform: translateY(0);
    }
}

/* ========================================
   PERFORMANCE OPTIMIZATIONS
   ======================================== */
.service-card,
.benefit-item,
.btn-primary,
.btn-secondary {
    will-change: transform;
}

/* ========================================
   WHATSAPP FLOATING BUTTON
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 2000;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: pointer;
}

.whatsapp-float:hover {
    transform: scale(1.1) translateY(-3px);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    position: relative;
    z-index: 2;
}

/* Pulse animation */
.whatsapp-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.4);
    animation: whatsapp-pulse 2s infinite;
}

@keyframes whatsapp-pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.3);
        opacity: 0.5;
    }

    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

@media (max-width: 767px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }

    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .whatsapp-pulse {
        animation: none;
    }
}