/* ============================================================
   ACCIONES DE TELÉFONOS — Modern Design System
   Premium dark theme with gold accents
   ============================================================ */

/* ── Google Fonts ────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── CSS Custom Properties ───────────────────────── */
:root {
    /* Brand colors */
    --color-accent: #d4a745;
    --color-accent-hover: #e6bc5a;
    --color-accent-dark: #b8922e;

    /* Background layers */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f4f6f9;
    --color-bg-card: #ffffff;
    --color-bg-card-hover: #ffffff;
    --color-bg-glass: rgba(0, 0, 0, 0.03);

    /* Text hierarchy */
    --color-text-primary: #1e293b;
    --color-text-secondary: #475569;
    --color-text-muted: #94a3b8;

    /* Borders */
    --color-border: rgba(0, 0, 0, 0.08);
    --color-border-accent: rgba(212, 167, 69, 0.4);

    /* Typography scale */
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.75rem;
    --font-size-3xl: 2.25rem;
    --font-size-4xl: 3rem;
    --font-size-5xl: 3.75rem;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Layout */
    --container-max: 1200px;
    --header-height: 120px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 20px;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Base ────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

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

ul {
    list-style: none;
}

/* ── Utility Classes ─────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

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

.section {
    padding: var(--space-4xl) 0;
    position: relative;
}

.section--alt {
    background: var(--color-bg-secondary);
}

.section__label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.section__label::before {
    content: '';
    width: 32px;
    height: 2px;
    background: var(--color-accent);
}

.section__title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
}

.section__header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section__header .section__subtitle {
    margin: 0 auto;
}

/* ── Buttons ─────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.85rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-bg-primary);
}

.btn--primary:hover {
    background: linear-gradient(135deg, var(--color-accent-hover), var(--color-accent));
    color: var(--color-bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(212, 167, 69, 0.3);
}

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

.btn--outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

.btn--lg {
    padding: 1rem 2.5rem;
    font-size: var(--font-size-base);
}

/* ── Scroll Progress ─────────────────────────────── */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
    z-index: 10000;
    transition: width 0.1s linear;
}

/* ── Page Loader ─────────────────────────────────── */
.page-loader {
    position: fixed;
    inset: 0;
    background: var(--color-bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.loaded {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.page-loader__spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ── Header ──────────────────────────────────────── */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: all var(--transition-base);
}

.header--scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.header__logo img {
    height: 88px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav__link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: var(--space-xs) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-text-primary);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.55rem 1.4rem;
    background: transparent;
    color: var(--color-accent);
    border: 1.5px solid var(--color-accent);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.nav__cta:hover {
    background: var(--color-accent);
    color: var(--color-bg-primary);
}

/* Mobile menu toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-fast);
}

/* ── Hero Section ────────────────────────────────── */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero__video-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__video-bg video,
.hero__video-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.92) 0%, rgba(255, 255, 255, 0.6) 100%);
    z-index: 1;
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    padding: calc(var(--header-height) + var(--space-3xl)) 0 var(--space-3xl);
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.4rem 1rem;
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.hero__badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

.hero__title {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

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

.hero__text {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: 1.8;
}

.hero__actions {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero__scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(8px);
    }
}

/* ── Stats Bar ───────────────────────────────────── */
.stats-bar {
    background: linear-gradient(135deg, #ffffff, var(--color-bg-secondary));
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-2xl) 0;
}

.stats-bar__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    text-align: center;
}

.stat__number {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    color: var(--color-accent);
    line-height: 1;
}

.stat__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--space-sm);
}

/* ── Service Cards ───────────────────────────────── */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-accent);
    transform: translateY(-4px);
}

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

.service-card__icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 167, 69, 0.1);
    border-radius: var(--border-radius-sm);
    font-size: 1.4rem;
    margin-bottom: var(--space-lg);
}

.service-card__title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.service-card__text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ── CTA Banner ──────────────────────────────────── */
.cta-banner {
    background: linear-gradient(135deg, var(--color-accent-dark), var(--color-accent));
    padding: var(--space-3xl) 0;
    text-align: center;
}

.cta-banner__title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-bg-primary);
    margin-bottom: var(--space-sm);
}

.cta-banner__subtitle {
    font-size: var(--font-size-lg);
    color: rgba(10, 14, 26, 0.7);
    margin-bottom: var(--space-xl);
}

.cta-banner .btn--dark {
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    border: none;
}

.cta-banner .btn--dark:hover {
    background: var(--color-bg-secondary);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

/* ── About / Split Section ───────────────────────── */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.split__image {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.split__image img {
    width: 100%;
    border-radius: var(--border-radius-lg);
}

.split__image::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    pointer-events: none;
}

.split__text {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.9;
}

/* ── Steps / Process ─────────────────────────────── */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.step-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition-base);
}

.step-card:hover {
    border-color: var(--color-border-accent);
    transform: translateY(-4px);
}

.step-card__image {
    width: 100%;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.step-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.step-card:hover .step-card__image img {
    transform: scale(1.05);
}

.step-card__body {
    padding: var(--space-lg);
}

.step-card__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-accent);
    color: var(--color-bg-primary);
    border-radius: 50%;
    font-size: var(--font-size-sm);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.step-card__title {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.step-card__text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ── FAQ Accordion ───────────────────────────────── */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    margin-bottom: var(--space-md);
    overflow: hidden;
    transition: border-color var(--transition-base);
}

.faq-item.active {
    border-color: var(--color-border-accent);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-accent);
}

.faq-question__icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-base);
}

.faq-item.active .faq-question__icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 600px;
}

.faq-answer__inner {
    padding: 0 var(--space-xl) var(--space-xl);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.8;
}

/* ── Contact Section ─────────────────────────────── */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-info-item {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.contact-info-item__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 167, 69, 0.1);
    border-radius: var(--border-radius-sm);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-info-item__label {
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.contact-info-item__value {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.contact-info-item__value a {
    color: var(--color-text-secondary);
}

.contact-info-item__value a:hover {
    color: var(--color-accent);
}

.form-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-2xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.form-input {
    width: 100%;
    padding: 0.85rem var(--space-lg);
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    transition: border-color var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

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

/* ── Footer ──────────────────────────────────────── */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--space-4xl) 0 0;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: var(--space-2xl);
}

.footer__brand-text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin: var(--space-lg) 0;
    line-height: 1.7;
}

.footer__logo img {
    height: 40px;
    width: auto;
}

.footer__title {
    font-size: var(--font-size-sm);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
}

.footer__links li {
    margin-bottom: var(--space-sm);
}

.footer__links a {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.footer__social {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.footer__social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-glass);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.footer__social a:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg-primary);
}

.footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.footer__contact-item svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.footer__contact-item a {
    color: var(--color-text-secondary);
}

.footer__contact-item a:hover {
    color: var(--color-accent);
}

.footer__bottom {
    border-top: 1px solid var(--color-border);
    padding: var(--space-xl) 0;
    margin-top: var(--space-3xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ── Floating elements ───────────────────────────── */
.whatsapp-float {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    z-index: 900;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25d366;
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: transform var(--transition-fast);
    animation: pulse-wa 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

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

@keyframes pulse-wa {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
    }

    70% {
        box-shadow: 0 0 0 14px rgba(37, 211, 102, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: calc(var(--space-xl) + 70px);
    z-index: 900;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text-primary);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-accent);
    color: var(--color-bg-primary);
    border-color: var(--color-accent);
}

/* ── Scroll Reveal Animations ────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* ── Video Lightbox ──────────────────────────────── */
.video-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10001;
    background: rgba(0, 0, 0, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.video-lightbox.active {
    opacity: 1;
    visibility: visible;
}

.video-lightbox__close {
    position: absolute;
    top: var(--space-xl);
    right: var(--space-xl);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
}

.video-lightbox video {
    width: 90%;
    max-width: 960px;
    border-radius: var(--border-radius);
}

/* ── Explanation Lightbox / Carousel ──────────────── */
.explanation-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10001;
    background: rgba(0, 0, 0, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.explanation-lightbox.active {
    opacity: 1;
    visibility: visible;
}

.explanation-lightbox__close {
    position: absolute;
    top: var(--space-xl);
    right: var(--space-xl);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 2;
    transition: background var(--transition-fast);
}

.explanation-lightbox__close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.carousel-container {
    position: relative;
    width: 90%;
    max-width: 1000px;
    height: 80vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.carousel-track {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    background: transparent;
}

.carousel-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    transform: scale(0.95);
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-slide.active {
    opacity: 1;
    transform: scale(1);
    z-index: 1;
}

.carousel-slide img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    border-radius: 50%;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 2;
    transition: all var(--transition-fast);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.carousel-btn:hover {
    background: var(--color-accent);
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn--prev {
    left: -25px;
}

.carousel-btn--next {
    right: -25px;
}

.carousel-nav {
    display: flex;
    gap: 12px;
    margin-top: var(--space-lg);
    z-index: 2;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.5);
    background: transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel-dot.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    transform: scale(1.2);
}

@media (max-width: 768px) {
    .carousel-btn--prev {
        left: 10px;
    }
    .carousel-btn--next {
        right: 10px;
    }
}

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 1024px) {
    .nav {
        display: none;
    }

    .nav.active {
        display: flex;
        flex-direction: column;
        position: fixed;
        inset: 0;
        background: var(--color-bg-primary);
        justify-content: center;
        align-items: center;
        gap: var(--space-xl);
        z-index: 999;
    }

    .nav.active .nav__link {
        font-size: var(--font-size-xl);
    }

    .mobile-toggle {
        display: flex;
        z-index: 1001;
    }

    .hero__title {
        font-size: var(--font-size-4xl);
    }

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

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

    .stats-bar__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-xl);
    }

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

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

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

@media (max-width: 640px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
    }

    .hero__content {
        padding-top: calc(var(--header-height) + var(--space-2xl));
    }

    .hero__actions {
        flex-direction: column;
    }

    .hero__actions .btn {
        width: 100%;
    }

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

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

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

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

    .footer__bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}