/* ============================================
   Capital Serralheria - Stylesheet Principal
   Cores: #0B127B | #1E2452 | #FCCC12 | #000000
   ============================================ */

:root {
    --color-primary: #0B127B;
    --color-primary-dark: #1E2452;
    --color-accent: #FCCC12;
    --color-black: #000000;
    --color-white: #ffffff;
    --color-gray-50: #f8f9fc;
    --color-gray-100: #eef1f6;
    --color-gray-200: #d8dee8;
    --color-gray-400: #94a3b8;
    --color-gray-600: #64748b;
    --color-gray-800: #1e293b;
    --color-steel: #71797E;
    --color-whatsapp: #25D366;
    --color-danger: #dc2626;
    --color-success: #16a34a;

    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Oswald', 'Inter', sans-serif;

    --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
    --shadow-md: 0 4px 20px rgba(11,18,123,.12);
    --shadow-lg: 0 10px 40px rgba(11,18,123,.18);
    --shadow-xl: 0 20px 60px rgba(0,0,0,.25);

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    --header-height: 80px;
    --topbar-height: 40px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    overflow-x: clip;
    max-width: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-800);
    background: var(--color-white);
    overflow-x: hidden;
}

body.menu-open {
    overflow: hidden;
    touch-action: none;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent); }
ul { list-style: none; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    z-index: 10000;
    padding: 0.75rem 1.5rem;
    background: var(--color-accent);
    color: var(--color-black);
    font-weight: 600;
    border-radius: var(--radius-sm);
}
.skip-link:focus { top: 1rem; }

/* ========== TOP BAR ========== */
.top-bar {
    background: var(--color-primary-dark);
    color: rgba(255,255,255,.9);
    font-size: 0.8125rem;
    height: var(--topbar-height);
    display: flex;
    align-items: center;
}

.top-bar__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.top-bar__info {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.top-bar__item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.top-bar__phone {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--color-accent);
    font-weight: 600;
    white-space: nowrap;
}
.top-bar__phone:hover { color: var(--color-white); }

/* ========== HEADER ========== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    height: var(--header-height);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 1rem;
}

.header__logo img {
    height: 60px;
    width: auto;
    object-fit: contain;
}

.header__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}
.header__toggle span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition);
}
.header__toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.header__toggle.active span:nth-child(2) { opacity: 0; }
.header__toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

.header__nav { display: flex; align-items: center; }

.nav-overlay {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition), visibility var(--transition);
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    display: block;
    padding: 0.5rem 0.875rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-primary-dark);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.nav-link:hover { background: var(--color-gray-100); color: var(--color-primary); }

.nav-link--cta {
    background: var(--color-accent);
    color: var(--color-black) !important;
    font-weight: 700;
    margin-left: 0.5rem;
}
.nav-link--cta:hover {
    background: #e6b800;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.nav-link--active {
    color: var(--color-primary);
    background: rgba(11, 18, 123, 0.08);
    font-weight: 700;
}

.header__phone-mobile { display: none; }

.header__nav-top {
    display: none;
}

.header__nav-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: var(--color-gray-100);
    color: var(--color-primary-dark);
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.header__nav-close:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    line-height: 1.4;
}

.btn--primary {
    background: var(--color-accent);
    color: var(--color-black);
    box-shadow: 0 4px 14px rgba(252,204,18,.4);
}
.btn--primary:hover {
    background: #e6b800;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(252,204,18,.5);
    color: var(--color-black);
}

.btn--whatsapp {
    background: var(--color-whatsapp);
    color: var(--color-white);
}
.btn--whatsapp:hover {
    background: #1da851;
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn--lg { padding: 1rem 2rem; font-size: 1rem; }
.btn--block { width: 100%; }

.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}
.btn--outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* ========== HERO ========== */
.hero {
    position: relative;
    min-height: calc(100vh - var(--header-height) - var(--topbar-height));
    min-height: calc(100dvh - var(--header-height) - var(--topbar-height));
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background: url('../images/hero-banner-serralheria.jpg') center/cover no-repeat;
    transform: scale(1.05);
    animation: heroZoom 20s ease-in-out infinite alternate;
    filter: brightness(0.55) contrast(1.1);
}

@keyframes heroZoom {
    from { transform: scale(1.05); }
    to { transform: scale(1.12); }
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(
            180deg,
            rgba(0, 0, 0, 0.72) 0%,
            rgba(11, 18, 123, 0.78) 35%,
            rgba(30, 36, 82, 0.82) 65%,
            rgba(0, 0, 0, 0.88) 100%
        ),
        radial-gradient(ellipse at 30% 50%, rgba(252, 204, 18, 0.06) 0%, transparent 55%);
    backdrop-filter: blur(1px);
    -webkit-backdrop-filter: blur(1px);
}

.hero__overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    pointer-events: none;
}

.hero__content {
    position: relative;
    z-index: 2;
    padding: 4rem 1.25rem;
    max-width: 800px;
}

.hero__badge {
    display: inline-block;
    background: rgba(252,204,18,.15);
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    padding: 0.375rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.6s ease;
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.15;
    margin-bottom: 1.25rem;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero__title-highlight {
    display: block;
    color: var(--color-accent);
    font-size: clamp(2.5rem, 6vw, 4rem);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    margin-bottom: 0.25rem;
}

.hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.1875rem);
    color: rgba(255,255,255,.88);
    margin-bottom: 2rem;
    max-width: 600px;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero__stats {
    display: flex;
    gap: 2rem;
    animation: fadeInUp 0.6s ease 0.4s both;
}

.hero__stat {
    text-align: center;
    color: var(--color-white);
}
.hero__stat strong {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--color-accent);
    line-height: 1;
}
.hero__stat span {
    font-size: 0.8125rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========== SECTIONS ========== */
.section {
    padding: 5rem 0;
}

.section__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.section__tag {
    display: inline-block;
    background: rgba(11,18,123,.08);
    color: var(--color-primary);
    padding: 0.375rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}
.section__tag--light {
    background: rgba(252,204,18,.15);
    color: var(--color-accent);
}

.section__title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--color-primary-dark);
    line-height: 1.2;
    margin-bottom: 1rem;
}
.section__title--light { color: var(--color-white); }

.section__desc {
    font-size: 1.0625rem;
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ========== SERVICES ========== */
.section--services { background: var(--color-gray-50); }

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-100);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.service-card:hover::before { transform: scaleX(1); }

.service-card__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    margin-bottom: 1.25rem;
    position: relative;
}
.service-card__icon::after {
    content: '';
    position: absolute;
    inset: 0;
    margin: auto;
    width: 28px;
    height: 28px;
    background: var(--color-accent);
    mask-size: contain;
    mask-repeat: no-repeat;
    mask-position: center;
    -webkit-mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
}

.service-card__icon--factory::after {
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M22 21V7L14 2v5.5L6 2v19H2v2h20v-2h-2zM12 9.5L18 13v8h-6v-8zM6 19V4h2v15H6z'/%3E%3C/svg%3E");
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M22 21V7L14 2v5.5L6 2v19H2v2h20v-2h-2zM12 9.5L18 13v8h-6v-8zM6 19V4h2v15H6z'/%3E%3C/svg%3E");
}
.service-card__icon--tools::after {
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M22.7 19l-9.1-9.1c.9-2.3.4-5-1.5-6.9-2-2-5-2.4-7.4-1.3L9 6 6 9 1.6 4.7C.4 7.1.9 10.1 2.9 12.1c1.9 1.9 4.6 2.4 6.9 1.5l9.1 9.1c.4.4 1 .4 1.4 0l2.3-2.3c.5-.4.5-1.1.1-1.4z'/%3E%3C/svg%3E");
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M22.7 19l-9.1-9.1c.9-2.3.4-5-1.5-6.9-2-2-5-2.4-7.4-1.3L9 6 6 9 1.6 4.7C.4 7.1.9 10.1 2.9 12.1c1.9 1.9 4.6 2.4 6.9 1.5l9.1 9.1c.4.4 1 .4 1.4 0l2.3-2.3c.5-.4.5-1.1.1-1.4z'/%3E%3C/svg%3E");
}
.service-card__icon--structure::after {
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M12 3L2 12h3v8h6v-6h2v6h6v-8h3L12 3z'/%3E%3C/svg%3E");
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M12 3L2 12h3v8h6v-6h2v6h6v-8h3L12 3z'/%3E%3C/svg%3E");
}
.service-card__icon--gate::after {
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M3 21V3h2v18H3zm16 0V3h2v18h-2zM7 21V8h2v13H7zm4 0V8h2v13h-2zm4 0V8h2v13h-2z'/%3E%3C/svg%3E");
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M3 21V3h2v18H3zm16 0V3h2v18h-2zM7 21V8h2v13H7zm4 0V8h2v13h-2zm4 0V8h2v13h-2z'/%3E%3C/svg%3E");
}
.service-card__icon--balcony::after {
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm0 16H5V5h14v14zM7 10h2v7H7v-7zm4 0h2v7h-2v-7zm4 0h2v7h-2v-7z'/%3E%3C/svg%3E");
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm0 16H5V5h14v14zM7 10h2v7H7v-7zm4 0h2v7h-2v-7zm4 0h2v7h-2v-7z'/%3E%3C/svg%3E");
}
.service-card__icon--motor::after {
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M7 18c-1.1 0-1.99.9-1.99 2S5.9 22 7 22s2-.9 2-2-.9-2-2-2zM1 2v2h2l3.6 7.59-1.35 2.45c-.16.28-.25.61-.25.96 0 1.1.9 2 2 2h12v-2H7.42c-.14 0-.25-.11-.25-.25l.03-.12.9-1.63h7.45c.75 0 1.41-.41 1.75-1.03l3.58-6.49c.08-.14.12-.31.12-.48 0-.55-.45-1-1-1H5.21l-.94-2H1zm16 16c-1.1 0-1.99.9-1.99 2s.89 2 1.99 2 2-.9 2-2-.9-2-2-2z'/%3E%3C/svg%3E");
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='black'%3E%3Cpath d='M7 18c-1.1 0-1.99.9-1.99 2S5.9 22 7 22s2-.9 2-2-.9-2-2-2zM1 2v2h2l3.6 7.59-1.35 2.45c-.16.28-.25.61-.25.96 0 1.1.9 2 2 2h12v-2H7.42c-.14 0-.25-.11-.25-.25l.03-.12.9-1.63h7.45c.75 0 1.41-.41 1.75-1.03l3.58-6.49c.08-.14.12-.31.12-.48 0-.55-.45-1-1-1H5.21l-.94-2H1zm16 16c-1.1 0-1.99.9-1.99 2s.89 2 1.99 2 2-.9 2-2-.9-2-2-2z'/%3E%3C/svg%3E");
}

.service-card__title {
    font-family: var(--font-display);
    font-size: 1.375rem;
    color: var(--color-primary-dark);
    margin-bottom: 0.75rem;
}

.service-card__desc {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
    margin-bottom: 1.25rem;
    line-height: 1.65;
}

.service-card__link {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--color-primary);
}
.service-card__link:hover { color: var(--color-accent); }

/* ========== DIFFERENTIALS ========== */
.section--differentials {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.differentials-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.differentials__text {
    font-size: 1.0625rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.differentials__list {
    margin-bottom: 2rem;
}
.differentials__list li {
    padding: 0.625rem 0;
    border-bottom: 1px solid rgba(255,255,255,.1);
    font-size: 0.9375rem;
    opacity: 0.92;
}
.differentials__list li strong { color: var(--color-accent); }

.differentials__img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    width: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
}

/* ========== GALLERY ========== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.08); }

.gallery-item figcaption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.25rem;
    background: linear-gradient(transparent, rgba(11,18,123,.9));
    color: var(--color-white);
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    transform: translateY(100%);
    transition: transform var(--transition);
}
.gallery-item:hover figcaption { transform: translateY(0); }

/* ========== BENEFITS ========== */
.section--benefits { background: var(--color-gray-50); }

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.benefit-card {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-accent);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.benefit-card:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.benefit-card__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: 0.625rem;
}

.benefit-card__text {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
    line-height: 1.65;
}

/* ========== AREA BANNER ========== */
.area-banner {
    background: linear-gradient(135deg, var(--color-accent) 0%, #e6b800 100%);
    border-radius: var(--radius-lg);
    padding: 3rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.area-banner__title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--color-primary-dark);
    margin-bottom: 0.75rem;
}

.area-banner p {
    color: var(--color-primary-dark);
    font-size: 1.0625rem;
    margin-bottom: 1.5rem;
}

.area-banner__cities {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}
.area-banner__cities span {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
}

/* ========== FAQ ========== */
.section--faq {
    position: relative;
    overflow: hidden;
    background: var(--color-gray-50);
}

.faq-watermark {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding-left: clamp(1rem, 4vw, 3rem);
    pointer-events: none;
    z-index: 0;
}

.faq-watermark img {
    width: min(85vw, 720px);
    max-height: 80%;
    height: auto;
    object-fit: contain;
    opacity: 0.1;
    filter: grayscale(20%);
}

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

.faq-summary {
    max-width: 900px;
    margin: 0 auto;
    padding: 2.5rem 2.75rem;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(11, 18, 123, 0.08);
    box-shadow: var(--shadow-md);
}

.faq-summary p {
    color: var(--color-gray-800);
    font-size: 1.0625rem;
    line-height: 1.85;
    text-align: justify;
    margin: 0;
}

@media (max-width: 768px) {
    .faq-summary {
        padding: 1.75rem 1.5rem;
    }

    .faq-summary p {
        font-size: 1rem;
        text-align: left;
    }

    .faq-watermark img {
        width: min(70vw, 420px);
        opacity: 0.08;
    }
}

/* ========== CONTACT ========== */
.section--contact {
    background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, #0a0f5c 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-info__text {
    color: rgba(255,255,255,.88);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-info__list li {
    padding: 0.75rem 0;
    color: rgba(255,255,255,.9);
    font-size: 0.9375rem;
    border-bottom: 1px solid rgba(255,255,255,.1);
}
.contact-info__list a {
    color: var(--color-accent);
}
.contact-info__list a:hover { color: var(--color-white); }

.contact-form {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.form-group { margin-bottom: 1.25rem; }
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-primary-dark);
    margin-bottom: 0.375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    transition: border-color var(--transition);
    background: var(--color-white);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(11,18,123,.1);
}

.hp-field {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    overflow: hidden;
}

.form-feedback {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    display: none;
}
.form-feedback.show { display: block; }
.form-feedback.success { background: #dcfce7; color: var(--color-success); }
.form-feedback.error { background: #fee2e2; color: var(--color-danger); }

/* ========== SEO KEYWORDS (visually hidden) ========== */
.seo-keywords {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* ========== FOOTER ========== */
.footer {
    background: var(--color-black);
    color: rgba(255,255,255,.8);
    padding: 4rem 0 0;
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer__desc {
    margin-top: 1rem;
    font-size: 0.9375rem;
    line-height: 1.7;
    opacity: 0.8;
}

.footer__title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    color: var(--color-accent);
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer__links li { margin-bottom: 0.5rem; }
.footer__links a {
    color: rgba(255,255,255,.75);
    font-size: 0.9375rem;
    transition: var(--transition);
}
.footer__links a:hover { color: var(--color-accent); padding-left: 4px; }

.footer__contact li {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
}
.footer__contact svg { flex-shrink: 0; margin-top: 2px; color: var(--color-accent); }
.footer__contact a { color: rgba(255,255,255,.85); }
.footer__contact a:hover { color: var(--color-accent); }

.footer__badge-24h span {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-black);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.8125rem;
}

.footer__virtunet {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    text-align: center;
}
.footer__virtunet span {
    font-size: 0.8125rem;
    color: rgba(255,255,255,.7);
}
.footer__virtunet:hover span { color: var(--color-accent); }

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1.5rem 0;
    font-size: 0.875rem;
    opacity: 0.7;
}
.footer__bottom a { color: var(--color-accent); }
.footer__bottom a:hover { color: var(--color-white); }

/* ========== WHATSAPP FLOAT ========== */
.whatsapp-float {
    position: fixed;
    bottom: max(16px, env(safe-area-inset-bottom, 16px));
    right: max(16px, env(safe-area-inset-right, 16px));
    z-index: 9999;
    width: clamp(48px, 14vw, 60px);
    height: clamp(48px, 14vw, 60px);
    background: var(--color-whatsapp);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37,211,102,.5);
    transition: transform var(--transition), box-shadow var(--transition);
    animation: whatsappBounce 2s ease infinite;
    overflow: hidden;
    contain: layout style paint;
}

.whatsapp-float svg {
    width: clamp(26px, 7vw, 32px);
    height: clamp(26px, 7vw, 32px);
    flex-shrink: 0;
}

.whatsapp-float:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 30px rgba(37,211,102,.6);
    color: var(--color-white);
    animation: none;
}

.whatsapp-float__pulse {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid var(--color-whatsapp);
    animation: pulse 2s ease infinite;
    pointer-events: none;
}

body.menu-open .whatsapp-float {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

@keyframes whatsappBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}
@keyframes pulse {
    0% { transform: scale(1); opacity: 0.7; }
    100% { transform: scale(1.15); opacity: 0; }
}

/* ========== ERROR PAGES ========== */
.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    text-align: center;
    padding: 2rem;
}
.error-page__content { max-width: 500px; }
.error-page__code {
    font-family: var(--font-display);
    font-size: clamp(5rem, 15vw, 8rem);
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 1rem;
}
.error-page__title {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--color-white);
    margin-bottom: 1rem;
}
.error-page__text {
    color: rgba(255,255,255,.8);
    margin-bottom: 2rem;
    line-height: 1.7;
}
.error-page__logo { margin: 0 auto 2rem; max-width: 200px; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .footer__grid { grid-template-columns: 1fr 1fr; }
    .differentials-grid { grid-template-columns: 1fr; }
    .differentials__visual { order: -1; }

    .header__logo img { height: 50px; }

    .header__toggle {
        display: flex;
        position: relative;
        z-index: 1003;
        transition: opacity var(--transition), visibility var(--transition);
    }

    body.menu-open .header__toggle {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }

    .header__nav-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 1rem;
        padding-bottom: 1rem;
        border-bottom: 2px solid var(--color-gray-100);
    }

    .header__nav-title {
        font-family: var(--font-display);
        font-size: 1.125rem;
        font-weight: 700;
        color: var(--color-primary);
        text-transform: uppercase;
        letter-spacing: 0.04em;
    }

    .header__nav {
        position: fixed;
        top: 0;
        right: 0;
        width: min(320px, 88vw);
        max-width: 100%;
        height: 100vh;
        height: 100dvh;
        background: var(--color-white);
        flex-direction: column;
        align-items: stretch;
        padding: 1rem 1.5rem 2rem;
        box-shadow: var(--shadow-xl);
        z-index: 1002;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        transform: translate3d(100%, 0, 0);
        visibility: hidden;
        pointer-events: none;
        transition: transform var(--transition), visibility var(--transition);
    }

    .header__nav.active {
        transform: translate3d(0, 0, 0);
        visibility: visible;
        pointer-events: auto;
    }

    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }

    .nav-link {
        padding: 0.875rem 0;
        border-bottom: 1px solid var(--color-gray-100);
        width: 100%;
    }

    .nav-link--cta {
        margin: 1rem 0 0;
        text-align: center;
        border-bottom: none;
    }

    .header__phone-mobile {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        margin-top: 1.5rem;
        padding: 0.875rem;
        background: var(--color-primary);
        color: var(--color-white);
        border-radius: var(--radius-md);
        font-weight: 600;
        justify-content: center;
    }

    .hero {
        min-height: clamp(520px, calc(100dvh - var(--header-height) - var(--topbar-height)), 820px);
    }

    .hero__bg {
        background-position: center 35%;
    }

    .hero__content {
        padding: 2.5rem 0 3rem;
    }

    .hero__title-highlight {
        font-size: clamp(2rem, 7vw, 3rem);
    }

    .hero__stats {
        flex-wrap: wrap;
        gap: 1rem 1.75rem;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .top-bar__info { display: none; }
    .top-bar { justify-content: center; }
    .top-bar__inner { justify-content: center; }

    .hero__stats { gap: 1.25rem; justify-content: flex-start; }
    .hero__actions { flex-direction: column; }
    .hero__actions .btn { width: 100%; }

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

    .footer__grid { grid-template-columns: 1fr; text-align: center; }
    .footer__contact li { justify-content: center; }
    .footer__bottom { flex-direction: column; text-align: center; }

    .section { padding: 3.5rem 0; }

    .whatsapp-float {
        bottom: max(12px, env(safe-area-inset-bottom, 12px));
        right: max(12px, env(safe-area-inset-right, 12px));
        width: 52px;
        height: 52px;
    }

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

@media (max-width: 480px) {
    .services-grid { grid-template-columns: 1fr; }
    .area-banner { padding: 2rem 1.25rem; }

    .header__logo img { height: 44px; }

    .hero {
        min-height: auto;
    }

    .hero__bg {
        background-position: center 25%;
    }

    .hero__content {
        padding: 2rem 0 2.5rem;
    }

    .hero__badge {
        font-size: 0.6875rem;
        letter-spacing: 0.03em;
        line-height: 1.4;
        text-align: center;
    }

    .hero__title {
        font-size: 1.375rem;
        line-height: 1.2;
    }

    .hero__title-highlight {
        font-size: clamp(1.75rem, 9vw, 2.25rem);
        margin-bottom: 0.5rem;
    }

    .hero__subtitle {
        font-size: 0.9375rem;
        margin-bottom: 1.5rem;
    }

    .hero__actions {
        margin-bottom: 2rem;
    }

    .hero__stats {
        justify-content: space-between;
        width: 100%;
        gap: 0.75rem;
    }

    .hero__stat strong {
        font-size: 1.5rem;
    }

    .hero__stat span {
        font-size: 0.6875rem;
    }
}

/* ========== ALBUM CAROUSEL & PAGE ========== */
.section--album-carousel {
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-50) 100%);
}

.album-carousel { position: relative; margin-bottom: 2rem; }

.album-carousel__viewport {
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.album-carousel__track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.album-carousel__slide {
    position: relative;
    margin: 0;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.album-carousel__slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.album-carousel__slide:hover img { transform: scale(1.05); }

.album-carousel__slide figcaption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem 1.25rem;
    background: linear-gradient(transparent, rgba(11, 18, 123, 0.92));
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.album-carousel__group {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-accent);
    font-weight: 700;
}

.album-carousel__title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
}

.album-carousel__dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.25rem;
}

.album-carousel__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: none;
    background: var(--color-gray-200);
    cursor: pointer;
    padding: 0;
    transition: var(--transition);
}

.album-carousel__dot.is-active,
.album-carousel__dot:hover {
    background: var(--color-accent);
    transform: scale(1.15);
}

.album-carousel__cta { text-align: center; }

.section--album-page {
    background: var(--color-gray-50);
    min-height: 60vh;
}

.album-groups {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.album-group-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.album-group-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.album-group-card__btn {
    width: 100%;
    padding: 0;
    border: none;
    background: var(--color-white);
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    color: inherit;
}

.album-group-card__image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

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

.album-group-card:hover .album-group-card__image img { transform: scale(1.08); }

.album-group-card__count {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--color-accent);
    color: var(--color-black);
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
}

.album-group-card__body {
    padding: 1.5rem;
    border-top: 4px solid var(--color-primary);
}

.album-group-card__title {
    font-family: var(--font-display);
    font-size: 1.375rem;
    color: var(--color-primary-dark);
    margin-bottom: 0.5rem;
}

.album-group-card__desc {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 0.75rem;
}

.album-group-card__link {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 0.9375rem;
}

.album-page__cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.album-lightbox[hidden] { display: none !important; }

.album-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.album-lightbox__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.82);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.album-lightbox__dialog {
    position: relative;
    z-index: 2;
    width: min(960px, 100%);
    max-height: 90vh;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
    animation: lightboxIn 0.3s ease;
}

@keyframes lightboxIn {
    from { opacity: 0; transform: scale(0.95) translateY(12px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.album-lightbox__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.album-lightbox__label {
    margin: 0 0 0.25rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    font-weight: 700;
}

.album-lightbox__title {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.5rem;
}

.album-lightbox__close {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.album-lightbox__close:hover {
    background: var(--color-accent);
    color: var(--color-black);
}

.album-lightbox__body {
    padding: 1.5rem;
    overflow-y: auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
}

.album-lightbox__item {
    margin: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-gray-200);
    background: var(--color-gray-50);
}

.album-lightbox__item img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    display: block;
}

.album-lightbox__item figcaption {
    padding: 0.75rem 1rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    font-size: 0.9375rem;
    background: var(--color-white);
}

.album-lightbox__footer {
    padding: 1rem 1.5rem;
    background: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-200);
}

.album-lightbox__footer p {
    margin: 0;
    color: var(--color-gray-600);
    font-size: 0.9375rem;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .album-lightbox__body { grid-template-columns: 1fr; }
    .album-page__cta { flex-direction: column; }
    .album-page__cta .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}