/* ============================================
   Mudanzas GyG - Corporate Trust Style
   Paleta: Navy (#1a2b4a), Gold (#b8943f), Paper (#f4f2ee), Blue (#2b5cb0)
   Tipografía: Source Serif 4 (display) + Inter (body)
   ============================================ */

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

:root {
    /* Colors */
    --navy: #1a2b4a;
    --navy-light: #2a3d5e;
    --navy-dark: #0f1d33;
    --gold: #b8943f;
    --gold-light: #d4b060;
    --gold-dark: #8a6f2e;
    --paper: #f4f2ee;
    --paper-dark: #e8e5df;
    --blue: #2b5cb0;
    --blue-light: #3d6ec4;
    --white: #ffffff;
    --text-dark: #1a2b4a;
    --text-body: #3a4a5e;
    --text-muted: #6b7a8d;
    --border: #d4d0c8;
    
    /* Typography */
    --font-display: 'Source Serif 4', 'Georgia', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    
    /* Layout */
    --container-max: 1200px;
    --header-height: 80px;
    
    /* Transitions */
    --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);
    --transition-base: 0.3s var(--ease-smooth);
    --transition-slow: 0.6s var(--ease-smooth);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(26, 43, 74, 0.06);
    --shadow-md: 0 4px 16px rgba(26, 43, 74, 0.1);
    --shadow-lg: 0 8px 32px rgba(26, 43, 74, 0.12);
    --shadow-xl: 0 16px 48px rgba(26, 43, 74, 0.16);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-body);
    background-color: var(--paper);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* === CONTAINER === */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    color: var(--navy);
    line-height: 1.2;
    font-weight: 600;
}

em.accent,
.accent {
    font-style: italic;
    color: var(--gold);
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1;
    border: 2px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--gold);
    color: var(--navy);
    border-color: var(--gold);
}

.btn-primary:hover {
    background-color: var(--gold-dark);
    border-color: var(--gold-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--navy);
    border-color: var(--navy);
}

.btn-secondary:hover {
    background-color: var(--navy);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-whatsapp {
    background-color: #25d366;
    color: var(--white);
    border-color: #25d366;
}

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

.btn-full {
    width: 100%;
}

/* === HEADER === */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(244, 242, 238, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: box-shadow var(--transition-base);
}

.site-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

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

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy);
    letter-spacing: -0.02em;
}

.logo-text em {
    font-style: italic;
    color: var(--gold);
}

/* === NAVIGATION === */
.main-nav {
    position: relative;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.nav-toggle-bar {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--navy);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.nav-toggle-bar + .nav-toggle-bar {
    margin-top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

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

.nav-list a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-body);
    position: relative;
    padding: 0.25rem 0;
}

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

.nav-list a:hover {
    color: var(--navy);
}

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

/* === HERO === */
.hero {
    padding: var(--space-2xl) 0;
    background-color: var(--paper);
    overflow: hidden;
}

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

.hero-text {
    max-width: 560px;
}

.hero-kicker {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--gold);
    margin-bottom: var(--space-md);
    padding: 0.375rem 0.75rem;
    background-color: rgba(184, 148, 63, 0.1);
    border-radius: 3px;
    border-left: 3px solid var(--gold);
}

.hero-title {
    font-size: clamp(2.25rem, 4vw, 3.25rem);
    font-weight: 700;
    color: var(--navy);
    line-height: 1.15;
    margin-bottom: var(--space-md);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-body);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.hero-visual {
    position: relative;
}

.hero-img-side {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-img-side::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 43, 74, 0.3) 0%, transparent 60%);
    z-index: 1;
}

.hero-img-side img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.hero-img-side:hover img {
    transform: scale(1.03);
}

/* === TRUST SEALS === */
.trust-seals {
    padding: var(--space-xl) 0;
    background-color: var(--navy);
    position: relative;
}

.trust-seals::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
}

.seals-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.seal-item {
    text-align: center;
    padding: var(--space-md);
}

.seal-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: var(--space-sm);
    line-height: 1;
}

.seal-title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--space-xs);
}

.seal-description {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

/* === SECTION COMMON === */
.section-kicker {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--gold);
    margin-bottom: var(--space-sm);
    padding: 0.375rem 0.75rem;
    background-color: rgba(184, 148, 63, 0.1);
    border-radius: 3px;
    border-left: 3px solid var(--gold);
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--navy);
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

.section-description {
    font-size: 1.0625rem;
    color: var(--text-body);
    line-height: 1.8;
    max-width: 640px;
}

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

.section-header .section-description {
    margin: 0 auto;
}

/* === ABOUT === */
.about {
    padding: var(--space-2xl) 0;
    background-color: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.about-description {
    font-size: 1.0625rem;
    color: var(--text-body);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background-color: rgba(184, 148, 63, 0.12);
    color: var(--gold);
    border-radius: 50%;
    font-size: 0.875rem;
    font-weight: 700;
    flex-shrink: 0;
}

.feature-text {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--navy);
}

.about-visual {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-visual img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.about-visual:hover img {
    transform: scale(1.03);
}

/* === SERVICES === */
.services {
    padding: var(--space-2xl) 0;
    background-color: var(--paper);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.service-card {
    background-color: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: var(--space-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background-color: var(--gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gold);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background-color: rgba(184, 148, 63, 0.1);
    border-radius: 8px;
    color: var(--gold);
    margin-bottom: var(--space-md);
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    background-color: var(--gold);
    color: var(--white);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: var(--space-xs);
}

.service-description {
    font-size: 0.9375rem;
    color: var(--text-body);
    line-height: 1.7;
}

/* === PROCESS / TIMELINE === */
.process {
    padding: var(--space-2xl) 0;
    background-color: var(--white);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 32px;
    width: 2px;
    height: 100%;
    background-color: var(--border);
}

.timeline-item {
    display: flex;
    gap: var(--space-lg);
    padding-bottom: var(--space-xl);
    position: relative;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: relative;
    flex-shrink: 0;
}

.timeline-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background-color: var(--navy);
    color: var(--gold);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    border: 3px solid var(--gold);
    position: relative;
    z-index: 1;
}

.timeline-content {
    padding-top: var(--space-sm);
}

.timeline-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: var(--space-xs);
}

.timeline-description {
    font-size: 0.9375rem;
    color: var(--text-body);
    line-height: 1.7;
}

/* === GALLERY === */
.gallery {
    padding: var(--space-2xl) 0;
    background-color: var(--paper);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 220px;
    gap: var(--space-md);
}

.gallery-item {
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

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

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item-large {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-item-wide {
    grid-column: span 2;
}

/* === CONTACT === */
.contact {
    padding: var(--space-2xl) 0;
    background-color: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.contact-description {
    font-size: 1.0625rem;
    color: var(--text-body);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: rgba(184, 148, 63, 0.1);
    border-radius: 8px;
    color: var(--gold);
    flex-shrink: 0;
}

.contact-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--navy);
    transition: color var(--transition-base);
}

.contact-link:hover {
    color: var(--gold);
}

.contact-text-main {
    font-size: 1rem;
    font-weight: 500;
    color: var(--navy);
}

/* === FORM === */
.contact-form {
    background-color: var(--paper);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: var(--space-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

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

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--text-dark);
    background-color: var(--white);
    border: 1px solid var(--border);
    border-radius: 4px;
    transition: all var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(184, 148, 63, 0.15);
}

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

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

select.form-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%231a2b4a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* === MAP === */
.map-wrapper {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
}

.map-wrapper iframe {
    display: block;
}

/* === FOOTER === */
.site-footer {
    background-color: var(--navy);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--space-xl) 0 var(--space-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo-text {
    color: var(--white);
    font-size: 1.375rem;
    margin-bottom: var(--space-sm);
    display: block;
}

.footer-tagline {
    font-size: 0.875rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.6);
}

.footer-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--space-md);
}

.footer-list {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.footer-list a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-base);
}

.footer-list a:hover {
    color: var(--gold);
}

.footer-text {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

.footer-bottom {
    padding-top: var(--space-md);
    text-align: center;
}

.footer-copyright {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.5);
}

/* === WHATSAPP FLOAT === */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: all var(--transition-base);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
    background-color: #1da851;
}

/* === REVEAL ANIMATIONS === */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s var(--ease-smooth), transform 0.7s var(--ease-smooth);
}

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

/* Staggered reveal for grid children */
.seals-grid .reveal:nth-child(1) { transition-delay: 0s; }
.seals-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.seals-grid .reveal:nth-child(3) { transition-delay: 0.2s; }
.seals-grid .reveal:nth-child(4) { transition-delay: 0.3s; }

.services-grid .reveal:nth-child(1) { transition-delay: 0s; }
.services-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.services-grid .reveal:nth-child(3) { transition-delay: 0.2s; }
.services-grid .reveal:nth-child(4) { transition-delay: 0.3s; }

.timeline .reveal:nth-child(1) { transition-delay: 0s; }
.timeline .reveal:nth-child(2) { transition-delay: 0.15s; }
.timeline .reveal:nth-child(3) { transition-delay: 0.3s; }
.timeline .reveal:nth-child(4) { transition-delay: 0.45s; }

/* === RESPONSIVE === */

/* Tablet (≤980px) */
@media (max-width: 980px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-text {
        max-width: 100%;
        text-align: center;
    }
    
    .hero-kicker {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .seals-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .about-visual {
        order: -1;
    }
    
    .about-visual img {
        height: 300px;
    }
    
    .services-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }
    
    .footer-brand {
        grid-column: span 2;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 200px;
    }
    
    .gallery-item-large {
        grid-column: span 2;
        grid-row: span 1;
    }
    
    .gallery-item-wide {
        grid-column: span 2;
    }
}

/* Mobile large (≤760px) */
@media (max-width: 760px) {
    :root {
        --header-height: 70px;
    }
    
    .nav-toggle {
        display: flex;
    }

    .main-nav {
        position: static;
    }
    
    .nav-list {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: var(--paper);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: var(--space-md);
        gap: 0;
        box-shadow: var(--shadow-md);
    }
    
    .nav-list.is-open {
        display: flex;
    }
    
    .nav-list li {
        width: 100%;
    }
    
    .nav-list a {
        display: block;
        padding: 0.875rem 0;
        border-bottom: 1px solid var(--border);
    }
    
    .nav-list li:last-child a {
        border-bottom: none;
    }
    
    .hero {
        padding: var(--space-xl) 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .seals-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 24px;
    }
    
    .timeline-number {
        width: 48px;
        height: 48px;
        font-size: 1.125rem;
    }
    
    .timeline-item {
        gap: var(--space-md);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .footer-brand {
        grid-column: span 1;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        grid-auto-rows: 180px;
    }
    
    .gallery-item-large {
        grid-column: span 2;
    }
    
    .gallery-item-wide {
        grid-column: span 2;
    }
    
    .whatsapp-float {
        bottom: 16px;
        right: 16px;
        width: 54px;
        height: 54px;
    }
}

/* Mobile small (≤420px) */
@media (max-width: 420px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .seals-grid {
        grid-template-columns: 1fr;
    }
    
    .seal-item {
        text-align: left;
        display: grid;
        grid-template-columns: auto 1fr;
        grid-template-rows: auto auto;
        gap: 0 0.75rem;
        padding: var(--space-sm) 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .seal-number {
        grid-row: span 2;
        font-size: 2rem;
        margin-bottom: 0;
        align-self: center;
    }
    
    .seal-title {
        align-self: end;
        margin-bottom: 0.125rem;
    }
    
    .seal-description {
        align-self: start;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 200px;
    }
    
    .gallery-item-large,
    .gallery-item-wide {
        grid-column: span 1;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .contact-form {
        padding: var(--space-md);
    }
}

/* === PRINT === */
@media print {
    .site-header,
    .whatsapp-float,
    .nav-toggle {
        display: none;
    }
    
    .hero {
        padding: var(--space-lg) 0;
    }
    
    .reveal {
        opacity: 1;
        transform: none;
    }
}