/* ==========================================
   STOP CORTINAS METÁLICAS - LANDING PAGE CSS
   ========================================== */

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

:root {
    --primary: #e02020;
    --primary-dark: #b81515;
    --primary-light: #f05555;
    --steel: #1a1e2e;
    --steel-mid: #252a3a;
    --steel-light: #2e3448;
    --white: #ffffff;
    --gray-50: #f8f9fa;
    --gray-100: #f0f2f5;
    --gray-200: #e0e4eb;
    --gray-400: #9aa5b8;
    --gray-600: #5a6478;
    --gray-800: #2d3547;
    --whatsapp: #25D366;
    --whatsapp-dark: #128C7E;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.18);
    --shadow-xl: 0 30px 80px rgba(0,0,0,0.25);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--gray-800);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

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

ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- NAVBAR ---- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 18px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(26, 30, 46, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Outfit', sans-serif;
    font-size: 1.3rem;
    color: var(--white);
    flex-shrink: 0;
}

.logo-stop {
    background: var(--primary);
    color: var(--steel);
    padding: 4px 10px;
    border-radius: 6px;
    font-weight: 900;
    font-size: 1.1rem;
    letter-spacing: 1px;
}

.logo-text {
    font-weight: 600;
    letter-spacing: 0.3px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

.nav-links li a {
    color: rgba(255,255,255,0.85);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-links li a:hover {
    color: var(--primary);
    background: rgba(232, 160, 32, 0.1);
}

.btn-whatsapp-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--whatsapp);
    color: white;
    padding: 10px 18px;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 600;
    transition: var(--transition);
    flex-shrink: 0;
    white-space: nowrap;
}

.btn-whatsapp-nav:hover {
    background: var(--whatsapp-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    margin-left: auto;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: var(--transition);
}

/* ---- HERO ---- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(10, 12, 20, 0.88) 0%,
        rgba(26, 30, 46, 0.75) 50%,
        rgba(10, 12, 20, 0.82) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 760px;
    text-align: center;
    padding: 120px 24px 80px;
    animation: fadeUp 0.9s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.45);
    color: var(--white);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.83rem;
    font-weight: 400;
    letter-spacing: 0.5px;
    margin-bottom: 24px;
    text-transform: uppercase;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--whatsapp);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.badge-dot.pulse {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    animation: pulse-dot 2s ease-in-out infinite, ripple 2s ease-in-out infinite;
}

@keyframes ripple {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.hero-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-family: 'Outfit', sans-serif;
    margin-bottom: 12px;
}

.title-stop {
    font-size: clamp(4rem, 12vw, 8rem);
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
    letter-spacing: -2px;
    text-shadow: 0 0 60px rgba(255, 255, 255, 0.25);
}

.title-main {
    font-size: clamp(1.3rem, 4vw, 2.2rem);
    font-weight: 300;
    color: var(--white);
    letter-spacing: 6px;
    text-transform: uppercase;
}

.hero-subtitle {
    font-size: clamp(0.95rem, 2.5vw, 1.15rem);
    color: var(--primary-light);
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.hero-subtitle-2 {
    font-size: clamp(0.95rem, 2.5vw, 1.15rem);
    color: var(--primary-light);
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.hero-desc {
    font-size: clamp(0.95rem, 2vw, 1.08rem);
    color: rgba(255,255,255,0.75);
    max-width: 560px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.hero-ctas {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--whatsapp), var(--whatsapp-dark));
    color: white;
    padding: 14px 28px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: 0 4px 24px rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(255, 255, 255, 0.22);
    background: linear-gradient(135deg, #2ddd70, var(--whatsapp));
}

.btn-primary.large {
    padding: 16px 34px;
    font-size: 1.05rem;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.1);
    border: 1.5px solid rgba(255,255,255,0.3);
    color: var(--white);
    padding: 14px 28px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-3px);
}

.btn-outline-white {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    border: 2px solid rgba(255,255,255,0.6);
    color: var(--white);
    padding: 14px 28px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
}

.btn-outline-white:hover {
    background: rgba(255,255,255,0.1);
    border-color: white;
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.stat-num {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.65);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.15);
}

.scroll-indicator {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-arrow {
    width: 28px;
    height: 28px;
    border-right: 2.5px solid rgba(255,255,255,0.5);
    border-bottom: 2.5px solid rgba(255,255,255,0.5);
    transform: rotate(45deg);
    animation: bounceDown 1.5s ease-in-out infinite;
}

@keyframes bounceDown {
    0%, 100% { transform: rotate(45deg) translateY(0); opacity: 1; }
    50% { transform: rotate(45deg) translateY(8px); opacity: 0.5; }
}

/* ---- SECTIONS ---- */
.section {
    padding: 96px 0;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-dark);
    border: 1px solid rgba(0, 0, 0, 0.12);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.section-tag.light {
    background: rgba(255, 255, 255, 0.18);
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.35);
    box-shadow: none;
}

.section-header h2 {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--steel);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-header.light h2 {
    color: var(--white);
}

.section-header p {
    color: var(--gray-600);
    font-size: 1.05rem;
    line-height: 1.7;
}

.section-header.light p {
    color: rgba(255,255,255,0.7);
}

/* ---- NOSOTROS / FEATURES ---- */
.nosotros {
    background: var(--gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(232, 160, 32, 0.3);
}

.feature-icon {
    font-size: 2.8rem;
    margin-bottom: 18px;
    display: block;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

.feature-card h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--steel);
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--gray-600);
    font-size: 0.93rem;
    line-height: 1.65;
}

/* ---- SERVICIOS ---- */
.dark-section {
    background: linear-gradient(145deg, var(--steel) 0%, var(--steel-mid) 50%, var(--steel-light) 100%);
    position: relative;
    overflow: hidden;
}

.dark-section::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(232,160,32,0.07) 0%, transparent 70%);
    pointer-events: none;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.service-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(232, 160, 32, 0.4);
    box-shadow: 0 20px 50px rgba(0,0,0,0.4);
    background: rgba(255,255,255,0.08);
}

.service-img-wrap {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.service-card:hover .service-img-wrap img {
    transform: scale(1.07);
}

.service-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--primary);
    color: var(--steel);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-body {
    padding: 24px;
}

.service-icon {
    font-size: 2rem;
    margin-bottom: 10px;
}

.service-body h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

.service-body p {
    color: rgba(255,255,255,0.65);
    font-size: 0.9rem;
    line-height: 1.65;
    margin-bottom: 16px;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.service-list li {
    color: rgba(255,255,255,0.75);
    font-size: 0.85rem;
    padding-left: 16px;
    position: relative;
}

.service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

/* ---- TRABAJOS / GALLERY ---- */
.trabajos {
    background: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto;
    gap: 16px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
}

.gallery-item.tall {
    grid-row: span 2;
    aspect-ratio: auto;
}

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

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

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

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(10,12,20,0.8) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay span {
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
}

/* ---- CTA BANNER ---- */
.cta-banner {
    background: linear-gradient(135deg, var(--steel) 0%, #0d0f1a 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-banner::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(232,160,32,0.08) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--whatsapp);
    font-size: 0.83rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.cta-content h2 {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 14px;
    line-height: 1.2;
}

.cta-content p {
    color: rgba(255,255,255,0.65);
    font-size: 1.05rem;
    margin-bottom: 36px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---- CONTACTO ---- */
.contacto {
    background: var(--gray-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 40px;
    align-items: start;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 20px;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.contact-card:hover {
    border-color: rgba(232, 160, 32, 0.3);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.contact-icon {
    font-size: 1.6rem;
    flex-shrink: 0;
}

.contact-card h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.contact-card p {
    color: var(--gray-800);
    font-size: 0.95rem;
    line-height: 1.6;
}

.contact-card p a {
    color: var(--primary-dark);
    font-weight: 600;
    transition: var(--transition);
}

.contact-card p a:hover {
    color: var(--primary);
}

.btn-whatsapp-big {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: linear-gradient(135deg, var(--whatsapp), var(--whatsapp-dark));
    color: white;
    padding: 18px 28px;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.35);
    width: 100%;
}

.btn-whatsapp-big:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 36px rgba(37, 211, 102, 0.5);
}

.map-container {
    height: 480px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

/* ---- FOOTER ---- */
.footer {
    background: var(--steel);
    color: rgba(255,255,255,0.75);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Outfit', sans-serif;
    font-size: 1.2rem;
    color: var(--white);
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
    color: rgba(255,255,255,0.6);
}

.footer-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(37, 211, 102, 0.15);
    border: 1px solid rgba(37, 211, 102, 0.3);
    color: var(--whatsapp);
    padding: 10px 18px;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 600;
    transition: var(--transition);
}

.footer-whatsapp:hover {
    background: var(--whatsapp);
    color: white;
    border-color: var(--whatsapp);
}

.footer-links h4, .footer-contact h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links ul li a {
    color: rgba(255,255,255,0.6);
    font-size: 0.92rem;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--primary-light);
    padding-left: 4px;
}

.footer-contact p {
    font-size: 0.9rem;
    margin-bottom: 8px;
    color: rgba(255,255,255,0.65);
}

.footer-contact p a {
    color: rgba(255,255,255,0.8);
    transition: var(--transition);
}

.footer-contact p a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.45);
}

/* ---- FLOATING WHATSAPP ---- */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    background: linear-gradient(135deg, var(--whatsapp), var(--whatsapp-dark));
    color: white;
    width: 62px;
    height: 62px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
    transition: var(--transition);
    animation: float-in 0.8s 0.5s cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes float-in {
    from { transform: scale(0) rotate(-180deg); opacity: 0; }
    to { transform: scale(1) rotate(0); opacity: 1; }
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 40px rgba(37, 211, 102, 0.65);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    right: 74px;
}

.whatsapp-tooltip {
    position: absolute;
    right: 60px;
    background: var(--steel);
    color: white;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.83rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--steel);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 968px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(26, 30, 46, 0.98);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 20px;
        z-index: 999;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links li a {
        font-size: 1.3rem;
        padding: 12px 24px;
    }

    .btn-whatsapp-nav {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-ctas {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        gap: 20px;
    }

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

    .gallery-item.tall {
        grid-row: span 1;
        aspect-ratio: 4/3;
    }

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

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

    .map-container {
        height: 360px;
    }

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

@media (max-width: 640px) {
    .section { padding: 64px 0; }
    .section-header { margin-bottom: 40px; }

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

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

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

    .gallery-item.wide,
    .gallery-item.tall {
        grid-column: span 1;
        grid-row: span 1;
        aspect-ratio: 4/3;
    }

    .stat-divider { display: none; }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

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

    .whatsapp-float {
        bottom: 18px;
        right: 18px;
        width: 56px;
        height: 56px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

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

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }