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

:root {
    /* Colors - Dark Mode (Default) */
    --color-bg: #000000;
    --color-bg-alt: #1a1a1a;
    --color-text-primary: #ffffff;
    --color-text-secondary: #b3b3b3;
    --color-text-tertiary: #666666;
    --color-accent: #0066CC;
    --color-accent-hover: #0052A3;
    --color-border: #4d4d4d;
    --color-border-light: #2a2a2a;

    /* Container */
    --container-width: 1296px;

    /* Spacing */
    --section-spacing: 52px;
    --banner-height: 45px;

    /* Transitions */
    --transition-fast: 75ms;
}

/* Light Mode - Auto-detect system preference */
@media (prefers-color-scheme: light) {
    :root {
        /* Colors - Light Mode with Hope Blue (same accent!) */
        --color-bg: #ffffff;
        --color-bg-alt: #f8f9fc;
        --color-text-primary: #1a202c;
        --color-text-secondary: #4a5568;
        --color-text-tertiary: #718096;
        --color-accent: #0066CC;
        --color-accent-hover: #0052A3;
        --color-border: #e2e8f0;
        --color-border-light: #edf2f7;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

html,
body {
    overflow-x: clip;
}

/* Manual Theme Override */
body.light-mode {
    --color-bg: #ffffff;
    --color-bg-alt: #f8f9fc;
    --color-text-primary: #1a202c;
    --color-text-secondary: #4a5568;
    --color-text-tertiary: #718096;
    --color-accent: #0066CC;
    --color-accent-hover: #0052A3;
    --color-border: #e2e8f0;
    --color-border-light: #edf2f7;
}

body.dark-mode {
    --color-bg: #000000;
    --color-bg-alt: #1a1a1a;
    --color-text-primary: #ffffff;
    --color-text-secondary: #b3b3b3;
    --color-text-tertiary: #666666;
    --color-accent: #0066CC;
    --color-accent-hover: #0052A3;
    --color-border: #4d4d4d;
    --color-border-light: #2a2a2a;
}

/* Theme Toggle Button - Always Hope Blue */
.theme-toggle {
    position: fixed;
    bottom: 24px;
    right: 24px; /* Esquina inferior derecha */
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #0066CC;
    border: none;
    cursor: pointer;
    z-index: 9999;
    display: flex !important;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.5);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    opacity: 1;
    visibility: visible;
}

.theme-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.6);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-toggle svg {
    stroke-width: 2.5;
    stroke: #ffffff;
    fill: none;
    width: 24px;
    height: 24px;
}

.sun-icon,
.moon-icon {
    position: absolute;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Default icons (no manual preference) */
.sun-icon {
    opacity: 0;
    transform: rotate(180deg) scale(0);
}

.moon-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* Light mode: show moon icon (to switch to dark) */
body.light-mode .sun-icon {
    opacity: 0;
    transform: rotate(180deg) scale(0);
}

body.light-mode .moon-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* Dark mode: show sun icon (to switch to light) */
body.dark-mode .sun-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

body.dark-mode .moon-icon {
    opacity: 0;
    transform: rotate(-180deg) scale(0);
}

/* Auto-detect system preference */
@media (prefers-color-scheme: dark) {
    /* In dark mode by default, show sun icon */
    body:not(.dark-mode):not(.light-mode) .sun-icon {
        opacity: 1;
        transform: rotate(0deg) scale(1);
    }
    body:not(.dark-mode):not(.light-mode) .moon-icon {
        opacity: 0;
        transform: rotate(-180deg) scale(0);
    }
}

@media (prefers-color-scheme: light) {
    /* In light mode by default, show moon icon */
    body:not(.dark-mode):not(.light-mode) .sun-icon {
        opacity: 0;
        transform: rotate(180deg) scale(0);
    }
    body:not(.dark-mode):not(.light-mode) .moon-icon {
        opacity: 1;
        transform: rotate(0deg) scale(1);
    }
}

@media (max-width: 768px) {
    .theme-toggle {
        width: 48px;
        height: 48px;
        bottom: 16px;
        right: 16px; /* Derecha en mobile */
    }
}

/* Smooth theme transitions - but not for toggle button or animations */
*:not(.theme-toggle):not(.theme-toggle *):not(.dot):not(.carousel-btn):not(canvas) {
    transition: background-color 0.3s ease,
                color 0.3s ease,
                border-color 0.3s ease;
}

/* banner promo */
.announcement-banner {
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border-light);
    padding: 12px 0;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.announcement-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 14px;
}

.announcement-text {
    color: var(--color-text-secondary);
}

.announcement-link {
    color: #0066CC;
    text-decoration: none;
    transition: color var(--transition-fast);
    font-weight: 600;
}

.announcement-link:hover {
    color: #0052A3;
}

/* Announcement prices */
.price-current {
    color: #10b981;
    font-weight: 700;
}

.price-old {
    color: #999;
    text-decoration: line-through;
    text-decoration-color: #999;
    text-decoration-thickness: 2px;
}

/* nav */
.main-nav {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-light);
    position: sticky;
    top: var(--banner-height);
    z-index: 999;
}

/* Light mode - white nav background */
body.light-mode .main-nav {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--color-border-light);
}

@media (prefers-color-scheme: light) {
    body:not(.dark-mode):not(.light-mode) .main-nav {
        background: rgba(255, 255, 255, 0.95);
        border-bottom: 1px solid var(--color-border-light);
    }
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.logo {
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 20px;
    font-weight: 700;
}

.logo {
    display: block;
    position: relative;
    height: 34px;
    width: 132px;
}

.logo img {
    height: 34px;
    width: auto;
    display: block;
    transition: opacity 0.3s ease;
}

.logo-dark,
.logo-light {
    position: absolute;
    top: 0;
    left: 0;
}

/* Default (dark mode) - show white logo */
.logo-dark {
    opacity: 1;
}

.logo-light {
    opacity: 0;
}

/* Light mode - show color logo */
body.light-mode .logo-dark {
    opacity: 0;
}

body.light-mode .logo-light {
    opacity: 1;
}

/* System preference light mode */
@media (prefers-color-scheme: light) {
    body:not(.dark-mode):not(.light-mode) .logo-dark {
        opacity: 0;
    }

    body:not(.dark-mode):not(.light-mode) .logo-light {
        opacity: 1;
    }
}

.nav-center {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-fast);
}

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

.nav-right {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-shrink: 0;
}

.nav-btn-secondary {
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.nav-btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.nav-btn-primary {
    padding: 8px 16px;
    background: var(--color-accent);
    border: 1px solid var(--color-accent);
    border-radius: 6px;
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition-fast);
}

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

/* hero */
.hero-section {
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 102, 204, 0.03) 0%, transparent 70%);
    pointer-events: none;
}

body.light-mode .hero-section::before {
    background: radial-gradient(circle at 50% 50%, rgba(0, 102, 204, 0.05) 0%, transparent 70%);
}

@media (prefers-color-scheme: light) {
    body:not(.dark-mode):not(.light-mode) .hero-section::before {
        background: radial-gradient(circle at 50% 50%, rgba(0, 102, 204, 0.05) 0%, transparent 70%);
    }
}

.hero-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 32px;
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 60px;
    align-items: center;
}

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

.hero-title {
    font-size: 64px;
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-title .line-break {
    display: block;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 32px;
}

.hero-ctas {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-primary-large {
    padding: 12px 24px;
    background: var(--color-accent);
    border: 1px solid var(--color-accent);
    border-radius: 6px;
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    display: inline-block;
    transition: all var(--transition-fast);
}

.btn-primary-large:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-1px);
}

.btn-secondary-large {
    padding: 12px 24px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    display: inline-block;
    transition: all var(--transition-fast);
}

.btn-secondary-large:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.hero-animation {
    position: relative;
    height: 500px;
}

.lottie-placeholder {
    width: 100%;
    height: 100%;
    position: relative;
    background: radial-gradient(ellipse at center, rgba(0, 102, 204, 0.03) 0%, transparent 60%);
    border-radius: 12px;
}

body.light-mode .lottie-placeholder {
    background: radial-gradient(ellipse at center, rgba(0, 102, 204, 0.04) 0%, transparent 60%);
}

@media (prefers-color-scheme: light) {
    body:not(.dark-mode):not(.light-mode) .lottie-placeholder {
        background: radial-gradient(ellipse at center, rgba(0, 102, 204, 0.04) 0%, transparent 60%);
    }
}

#heroCanvas,
#workflowCanvas {
    width: 100%;
    height: 100%;
    border-radius: 12px;
}

/* logos */
.customer-logos {
    padding: var(--section-spacing) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.logos-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 32px;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 32px 24px;
}

.logo-item {
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-tertiary);
    font-size: 14px;
    font-weight: 600;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.logo-item:hover {
    opacity: 1;
}

/* metodo hope */
.hope-method {
    padding: 80px 0;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border-light);
}

.hope-method .section-main-title {
    font-size: 48px;
    font-weight: 600;
    line-height: 1.2;
    text-align: center;
    margin-bottom: 16px;
}

.hope-method .section-subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hope-pillars {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 32px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.pillar-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: 12px;
    padding: 32px 24px;
    transition: all 0.3s ease;
}

.pillar-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 102, 204, 0.15);
}

.pillar-letter {
    font-size: 56px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 16px;
    line-height: 1;
}

.pillar-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 12px;
}

.pillar-description {
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

/* Responsive - Tablets */
@media (max-width: 1024px) {
    .hope-pillars {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

/* Responsive - Mobile */
@media (max-width: 640px) {
    .hope-method {
        padding: 60px 0;
    }

    .hope-method .section-main-title {
        font-size: 36px;
    }

    .hope-method .section-subtitle {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .hope-pillars {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .pillar-card {
        padding: 24px 20px;
    }

    .pillar-letter {
        font-size: 48px;
    }

    .pillar-title {
        font-size: 18px;
    }

    .pillar-description {
        font-size: 14px;
    }
}

/* container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 32px;
}

/* productos */
.products-intro {
    padding: var(--section-spacing) 0;
}

.section-main-title {
    font-size: 48px;
    font-weight: 600;
    line-height: 1.2;
    text-align: center;
    margin-bottom: 24px;
}

/* secciones de producto */
.product-dedicated,
.product-apis,
.product-training {
    padding: var(--section-spacing) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.product-layout.reverse {
    direction: rtl;
}

.product-layout.reverse > * {
    direction: ltr;
}

.product-title {
    font-size: 36px;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 20px;
}

.product-description {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

.product-list {
    list-style: none;
    display: grid;
    gap: 10px;
    margin: 0 0 24px;
    padding: 0;
}

.product-list li {
    position: relative;
    padding-left: 18px;
    font-size: 16px;
    line-height: 1.5;
    color: var(--color-text-secondary);
}

.product-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.65em;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--color-accent);
}

.product-ctas {
    display: flex;
    gap: 16px;
    align-items: center;
}

.btn-primary {
    padding: 10px 20px;
    background: var(--color-accent);
    border: 1px solid var(--color-accent);
    border-radius: 6px;
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    display: inline-block;
    transition: all var(--transition-fast);
}

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

.btn-text-link {
    color: var(--color-accent);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-fast);
}

.btn-text-link:hover {
    color: var(--color-accent-hover);
}

.product-visual {
    position: relative;
}

.visual-placeholder {
    width: 100%;
    aspect-ratio: 528 / 370;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.infrastructure-viz {
    width: 100%;
    height: 100%;
}

/* Models Grid */
.models-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 24px;
}

.model-card {
    padding: 20px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border-light);
    border-radius: 8px;
    transition: border-color var(--transition-fast);
}

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

.model-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.model-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.model-link {
    color: var(--color-accent);
    text-decoration: none;
    font-size: 14px;
}

.model-card.explore {
    display: flex;
    align-items: center;
    justify-content: center;
}

.explore-link {
    color: var(--color-accent);
    text-decoration: none;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.explore-link .arrow {
    font-size: 20px;
    transition: transform var(--transition-fast);
}

.explore-link:hover .arrow {
    transform: translateX(4px);
}

/* bloques features */
.feature-blocks {
    padding: var(--section-spacing) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.features-grid-2x2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.feature-block {
    padding: 32px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border-light);
    border-radius: 12px;
    transition: border-color var(--transition-fast);
}

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

.feature-block-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
}

.feature-block-text {
    font-size: 16px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.feature-link {
    color: var(--color-accent);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-fast);
}

.feature-link:hover {
    color: var(--color-accent-hover);
}

/* sectores */
.gen-ai-specializations {
    padding: var(--section-spacing) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-bottom: 48px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.specializations-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.specialization-item {
    padding: 26px;
    background: linear-gradient(165deg, color-mix(in srgb, var(--color-bg-alt) 90%, transparent), var(--color-bg-alt));
    border: 1px solid var(--color-border-light);
    border-radius: 14px;
    transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-height: 100%;
}

.specialization-item:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 10px 26px color-mix(in srgb, var(--color-accent) 14%, transparent);
}

.spec-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--color-accent);
    letter-spacing: -0.01em;
}

.spec-line {
    font-size: 14px;
    line-height: 1.55;
    color: var(--color-text-secondary);
}

.spec-text {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-top: 2px;
}

/* modelos */
.custom-models {
    padding: var(--section-spacing) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.custom-models-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.section-text {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

/* testimonios */
.testimonials-section {
    padding: var(--section-spacing) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.testimonials-carousel {
    margin-top: 48px;
    position: relative;
}

.testimonial-track {
    position: relative;
    min-height: 400px;
}

.testimonial-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    padding: 40px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border-light);
    border-radius: 12px;
}

.testimonial-slide.active {
    opacity: 1;
    visibility: visible;
}

.testimonial-logo {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text-tertiary);
    margin-bottom: 24px;
}

.testimonial-quote {
    font-size: 24px;
    line-height: 1.5;
    margin-bottom: 32px;
    font-style: italic;
}

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

.author-photo {
    width: 60px;
    height: 60px;
    border-radius: 50%;
}

.author-name {
    font-weight: 600;
    font-size: 16px;
}

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

.case-study-link {
    color: var(--color-accent);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-fast);
}

.case-study-link:hover {
    color: var(--color-accent-hover);
}

.carousel-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    margin-top: 32px;
}

.carousel-btn {
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text-secondary);
    font-size: 24px;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.carousel-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-border);
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.dot.active {
    background: var(--color-accent);
    width: 24px;
    border-radius: 4px;
}

/* cta final */
.final-cta {
    padding: var(--section-spacing) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.cta-title {
    font-size: 48px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* footer */
.main-footer {
    padding: 60px 0 32px;
    background: var(--color-bg);
}

.footer-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 48px 32px;
    margin-bottom: 48px;
}

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

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--color-border-light);
    flex-wrap: wrap;
    gap: 16px;
}

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

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

.footer-social a {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.footer-badges {
    display: flex;
    gap: 12px;
}

.badge {
    padding: 6px 12px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-secondary);
}

/* responsive */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
    }

    .hero-animation {
        display: none;
    }

    .product-layout {
        grid-template-columns: 1fr;
    }

    .features-grid-2x2 {
        grid-template-columns: 1fr;
    }

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

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

    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .nav-center {
        display: none;
    }
}

@media (max-width: 768px) {
    /* Announcement banner en tablet */
    .announcement-banner {
        padding: 10px 0;
    }

    .announcement-text {
        font-size: 13px;
    }

    /* Nav en tablet */
    .nav-container {
        padding: 14px 24px;
    }

    .nav-btn-secondary,
    .nav-btn-primary {
        padding: 10px 16px;
        font-size: 14px;
    }

    /* Hero en tablet */
    .hero-title {
        font-size: 42px;
    }

    .hero-subtitle {
        font-size: 17px;
    }

    /* Secciones */
    .section-main-title {
        font-size: 36px;
    }

    .logos-container {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

@media (max-width: 480px) {
    /* Announcement banner más compacto en mobile */
    .announcement-banner {
        padding: 8px 0;
        font-size: 12px;
    }

    .announcement-content {
        flex-direction: column;
        gap: 6px;
        padding: 0 12px;
    }

    .announcement-text {
        font-size: 12px;
        line-height: 1.4;
    }

    .announcement-link {
        font-size: 13px;
    }

    .nav-container {
        padding: 12px 16px;
    }

    .nav-left {
        min-width: 0;
    }

    .logo img {
        height: 28px;
        max-width: 100%;
    }

    .logo {
        width: 110px;
        height: 28px;
    }

    /* Botones del nav más pequeños */
    .nav-btn-secondary,
    .nav-btn-primary {
        padding: 8px 12px;
        font-size: 13px;
    }

    .nav-right {
        gap: 8px;
    }

    .nav-btn-secondary,
    .nav-btn-primary {
        white-space: nowrap;
    }

    .product-list li {
        font-size: 15px;
        padding-left: 16px;
    }

    /* Hero más compacto */
    .hero-section {
        padding: 60px 0 40px; /* Reducido de 80px */
    }

    .hero-eyebrow {
        font-size: 12px;
        margin-bottom: 12px;
    }

    .hero-title {
        font-size: 32px; /* Reducido de 36px */
        line-height: 1.2;
        margin-bottom: 16px;
    }

    .hero-subtitle {
        font-size: 15px;
        line-height: 1.5;
        margin-bottom: 24px;
    }

    .hero-ctas {
        flex-direction: column;
        gap: 12px;
    }

    .btn-primary-large,
    .btn-secondary-large {
        width: 100%;
        justify-content: center;
        padding: 14px 20px;
        font-size: 15px;
    }

    .hero-trust {
        font-size: 12px;
        margin-top: 20px;
    }

    /* Containers */
    .container {
        padding: 0 16px;
    }

    /* Logos más compactos */
    .logos-container {
        grid-template-columns: repeat(2, 1fr);
        padding: 0 16px;
        gap: 16px;
    }

    .logo-item {
        font-size: 14px;
        padding: 12px;
    }

    /* Títulos más pequeños */
    .section-main-title {
        font-size: 26px;
        line-height: 1.2;
    }

    .section-subtitle {
        font-size: 15px;
    }

    .product-title {
        font-size: 24px;
    }

    /* Pilares HOPE */
    .pillar-letter {
        width: 48px;
        height: 48px;
        font-size: 24px;
    }

    .pillar-title {
        font-size: 18px;
    }

    .pillar-description {
        font-size: 14px;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

    /* Theme toggle más pequeño */
    .theme-toggle {
        width: 44px;
        height: 44px;
        bottom: 12px;
        right: 12px;
    }

    .theme-toggle svg {
        width: 20px;
        height: 20px;
    }
}

/* pool tweaks */
.deployment-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.deployment-card {
    position: relative;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 32px;
    transition: all var(--transition-normal);
}

.deployment-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 102, 204, 0.1);
}

.service-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-accent), #0052A3);
    color: white;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 4px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.deployment-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    border: 1px solid color-mix(in srgb, var(--color-accent) 40%, transparent);
    background: color-mix(in srgb, var(--color-accent) 12%, var(--color-bg-alt));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}

.pool-icon {
    width: 22px;
    height: 22px;
    stroke: var(--color-accent);
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* pool styles */
.deployment-options {
    padding: var(--section-spacing) 0;
    border-bottom: 1px solid var(--color-border-light);
    position: relative;
    overflow: hidden;
}

.deployment-options::before,
.deployment-options::after {
    content: '';
    position: absolute;
    border-radius: 999px;
    pointer-events: none;
    z-index: 0;
}

.deployment-options::before {
    width: 420px;
    height: 420px;
    top: -220px;
    left: -140px;
    background: radial-gradient(circle, color-mix(in srgb, var(--color-accent) 18%, transparent), transparent 72%);
}

.deployment-options::after {
    width: 360px;
    height: 360px;
    bottom: -220px;
    right: -120px;
    background: radial-gradient(circle, color-mix(in srgb, var(--color-accent) 12%, transparent), transparent 74%);
}

.deployment-options .container {
    position: relative;
    z-index: 1;
}

.deployment-options .deployment-card {
    border-radius: 14px;
    border: 1px solid color-mix(in srgb, var(--color-border) 75%, var(--color-accent));
    background:
        linear-gradient(140deg, color-mix(in srgb, var(--color-bg-alt) 88%, transparent), var(--color-bg-alt));
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal), background var(--transition-normal);
}

.deployment-options .deployment-card:hover {
    transform: translateY(-4px);
    border-color: color-mix(in srgb, var(--color-accent) 65%, var(--color-border));
    box-shadow: 0 14px 36px color-mix(in srgb, var(--color-accent) 22%, transparent);
}

.deployment-options .deployment-icon {
    position: relative;
    isolation: isolate;
}

.deployment-options .deployment-icon::before {
    content: '';
    position: absolute;
    inset: -5px;
    border-radius: 12px;
    border: 1px dashed color-mix(in srgb, var(--color-accent) 45%, transparent);
    opacity: 0;
    transform: rotate(0deg);
    transition: opacity var(--transition-fast);
}

.deployment-options .deployment-card:hover .deployment-icon::before {
    opacity: 1;
    animation: hope-orbit 4s linear infinite;
}

.deployment-options .deployment-card:hover .pool-icon {
    animation: hope-breathe 1.4s ease-in-out infinite;
}

.deployment-options .deployment-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--color-accent);
    letter-spacing: -0.01em;
}

.deployment-options .deployment-link {
    position: relative;
    display: inline-block;
    color: var(--color-accent);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.deployment-options .deployment-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width var(--transition-fast);
}

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

@keyframes hope-orbit {
    to {
        transform: rotate(360deg);
    }
}

@keyframes hope-breathe {
    0%,
    100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.08);
    }
}

@media (max-width: 768px) {
    .deployment-options::before,
    .deployment-options::after {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .deployment-options .deployment-card,
    .deployment-options .deployment-icon::before,
    .deployment-options .pool-icon,
    .deployment-options .deployment-link::after {
        animation: none !important;
        transition: none !important;
    }
}

/* polish */
.section-main-title,
.cta-title,
.product-title {
    text-wrap: balance;
    letter-spacing: -0.02em;
}

.section-subtitle,
.product-description,
.deployment-text,
.feature-block-text,
.spec-text,
.cta-subtitle {
    text-wrap: pretty;
}

.section-subtitle,
.deployment-text,
.feature-block-text,
.spec-text,
.footer-links a,
.footer-copyright {
    color: color-mix(in srgb, var(--color-text-primary) 72%, var(--color-bg));
}

.model-card,
.feature-block,
.specialization-item,
.deployment-card,
.testimonial-slide {
    box-shadow: 0 1px 0 color-mix(in srgb, var(--color-text-primary) 6%, transparent);
}

.feature-block,
.specialization-item,
.deployment-card {
    border-radius: 14px;
}

.deployment-card {
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.deployment-text {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 18px;
}

.deployment-link {
    margin-top: auto;
}

.cta-panel {
    box-shadow: 0 10px 34px color-mix(in srgb, var(--color-accent) 10%, transparent);
}

@media (max-width: 1024px) {
    .section-main-title {
        line-height: 1.15;
    }
}

@media (max-width: 768px) {
    .feature-block,
    .specialization-item,
    .deployment-card {
        padding: 24px;
    }

    .section-subtitle {
        margin-bottom: 34px;
    }
}

/* feature blocks refinement */
.feature-kicker {
    text-align: center;
    color: var(--color-accent);
    font-size: 12px;
    letter-spacing: 0.08em;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-blocks .section-subtitle {
    max-width: 900px;
}

.feature-icon {
    width: 38px;
    height: 38px;
    border-radius: 9px;
    border: 1px solid color-mix(in srgb, var(--color-accent) 45%, transparent);
    background: color-mix(in srgb, var(--color-accent) 10%, var(--color-bg-alt));
    color: var(--color-accent);
    font-size: 13px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}

/* ia visual tweak */
@media (min-width: 1025px) {
    .product-apis .product-layout.reverse {
        align-items: stretch;
    }

    .product-apis .product-visual {
        height: 100%;
    }

    .product-apis .visual-placeholder {
        height: 100%;
        min-height: 420px;
        aspect-ratio: auto;
    }
}

/* cta */
.final-cta {
    background:
        radial-gradient(1200px 320px at 50% 0%, rgba(0, 102, 204, 0.12), transparent 70%),
        var(--color-bg);
}

.cta-panel {
    max-width: 980px;
    margin: 0 auto;
    padding: 52px 40px;
    border: 1px solid var(--color-border-light);
    border-radius: 18px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--color-bg-alt) 92%, transparent), var(--color-bg));
    text-align: center;
}

.cta-eyebrow {
    display: inline-block;
    margin-bottom: 18px;
    padding: 6px 12px;
    border: 1px solid color-mix(in srgb, var(--color-accent) 55%, transparent);
    border-radius: 999px;
    color: var(--color-accent);
    font-size: 12px;
    letter-spacing: 0.08em;
    font-weight: 700;
}

.cta-title {
    max-width: 820px;
    margin: 0 auto 20px;
    line-height: 1.12;
}

.cta-subtitle {
    max-width: 700px;
    margin: 0 auto 26px;
    font-size: 20px;
    line-height: 1.55;
    color: var(--color-text-secondary);
}

.cta-points {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 16px;
    max-width: 760px;
    margin: 0 auto 30px;
}

.cta-points span {
    border: 1px solid var(--color-border-light);
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 14px;
    color: var(--color-text-secondary);
    background: color-mix(in srgb, var(--color-bg-alt) 80%, transparent);
}

.cta-buttons {
    gap: 14px;
}

.final-cta .btn-primary-large,
.final-cta .btn-secondary-large {
    min-width: 235px;
}

@media (max-width: 768px) {
    .cta-panel {
        padding: 36px 22px;
    }

    .cta-subtitle {
        font-size: 17px;
    }

    .cta-points {
        grid-template-columns: 1fr;
    }
}

/* responsive nuevas secciones */
@media (max-width: 1024px) {
    .deployment-grid {
        grid-template-columns: repeat(2, 1fr);
    }

}

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

}

/* canvas fix */
.lottie-placeholder,
.visual-placeholder {
    isolation: isolate;
}

.lottie-placeholder canvas,
.visual-placeholder canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
}

@media (max-width: 480px) {
    .product-apis .visual-placeholder {
        aspect-ratio: 1 / 1;
        min-height: 280px;
    }
}

/* mobile order fix */
@media (max-width: 768px) {
    .product-dedicated .product-layout,
    .product-apis .product-layout,
    .product-training .product-layout {
        display: flex;
        flex-direction: column;
        gap: 24px;
    }

    .product-dedicated .product-text,
    .product-apis .product-text,
    .product-training .product-text {
        order: 1;
    }

    .product-dedicated .product-visual,
    .product-apis .product-visual,
    .product-training .product-visual {
        order: 2;
        min-height: 260px;
    }

    .product-dedicated .visual-placeholder,
    .product-apis .visual-placeholder,
    .product-training .visual-placeholder {
        min-height: 260px;
    }
}