/* =========================================
   VARIABLES & TOKENS SEED
   ========================================= */
:root {
    /* Color Palette - Premium Light Metal Theme */
    --clr-bg-main: #f8fafc;
    --clr-bg-surface: #ffffff;
    --clr-bg-surface-light: #f1f5f9;

    /* Dark sections */
    --clr-bg-dark: #0f172a;
    --clr-bg-dark-surface: #1e293b;

    --clr-accent-primary: #ea580c;
    --clr-accent-primary-glow: rgba(234, 88, 12, 0.4);
    --clr-accent-secondary: #0284c7;

    --clr-text-main: #334155;
    --clr-text-muted: #64748b;
    --clr-text-dark: #0f172a;
    --clr-text-light: #e2e8f0;
    --clr-text-light-muted: #94a3b8;

    --clr-border: #e2e8f0;
    --clr-border-dark: rgba(255, 255, 255, 0.08);
    --clr-border-glow: rgba(234, 88, 12, 0.2);

    --clr-whatsapp: #25D366;

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --sp-1: 0.25rem;
    --sp-2: 0.5rem;
    --sp-3: 1rem;
    --sp-4: 1.5rem;
    --sp-5: 2rem;
    --sp-6: 3rem;
    --sp-8: 4rem;
    --sp-10: 5rem;
    --sp-16: 8rem;

    /* Transitions & Animations */
    --tr-fast: 0.15s ease;
    --tr-med: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --tr-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

    /* Global Border Radius */
    --br-sm: 4px;
    --br-md: 8px;
    --br-lg: 12px;
    --br-xl: 16px;
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--clr-bg-main);
    color: var(--clr-text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--sp-3);
    color: var(--clr-text-dark);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    letter-spacing: -1px;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.5px;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--sp-3);
    color: var(--clr-text-muted);
}

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--sp-4);
}

.section-padding {
    padding: var(--sp-16) 0;
}

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

/* --- Dark section utility --- */
.section-dark {
    background-color: var(--clr-bg-dark);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
    color: var(--clr-text-light);
}

.section-dark p,
.section-dark .subtitle {
    color: var(--clr-text-light-muted);
}

/* Utilities */
.text-gradient {
    background: linear-gradient(135deg, var(--clr-accent-primary), #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--br-sm);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 2px solid transparent;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.1);
    z-index: -1;
    transform: scaleY(0);
    transform-origin: bottom center;
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn:hover::after {
    transform: scaleY(1);
}

.btn-primary {
    background-color: var(--clr-accent-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(234, 88, 12, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(234, 88, 12, 0.5);
    background-color: #c2410c;
}

.btn-secondary {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--clr-text-dark);
    border-color: rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(4px);
}

.btn-secondary:hover {
    background-color: rgba(0, 0, 0, 0.1);
    border-color: rgba(0, 0, 0, 0.2);
}

.btn-outline {
    background-color: transparent;
    color: var(--clr-accent-primary);
    border-color: var(--clr-accent-primary);
}

.btn-outline:hover {
    background-color: var(--clr-accent-primary);
    color: #fff;
}

.btn-block {
    width: 100%;
}

/* =========================================
   NAVIGATION
   ========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: var(--sp-4) 0;
    transition: var(--tr-med);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: var(--sp-3) 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
}

.logo-icon {
    color: var(--clr-accent-primary);
    font-size: 2rem;
}

.logo-text .highlight {
    font-weight: 300;
    color: var(--clr-text-muted);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--sp-6);
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 1px;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--clr-accent-primary);
    transition: width var(--tr-med);
}

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

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--clr-text-main);
    font-size: 2rem;
    cursor: pointer;
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg img,
.hero-bg video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: brightness(0.6) contrast(1.1);
    transform: scale(1.05);
    animation: slowZoom 20s infinite alternate;
}

/* Opcional: si prefieres que el vídeo NO se acerque lentamente (solo el corte), descomenta lo de abajo: */
/*
.hero-bg video {
    animation: none;
    transform: none;
}
*/

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(248, 250, 252, 0.9) 0%, rgba(248, 250, 252, 0.7) 50%, rgba(248, 250, 252, 0.2) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-text-container {
    max-width: 700px;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(56, 189, 248, 0.1);
    color: var(--clr-accent-secondary);
    border: 1px solid rgba(56, 189, 248, 0.2);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--sp-4);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: var(--sp-6);
    color: var(--clr-text-main);
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: var(--sp-4);
    flex-wrap: wrap;
}

@keyframes slowZoom {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.1);
    }
}

/* =========================================
   SERVICES GRID
   ========================================= */
.section-header .subtitle {
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.125rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--sp-6);
    margin-top: var(--sp-10);
}

.service-card {
    background-color: var(--clr-bg-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--br-md);
    overflow: hidden;
    transition: var(--tr-med);
    position: relative;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(234, 88, 12, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08), 0 0 20px rgba(234, 88, 12, 0.05);
}

.service-image {
    width: 100%;
    height: 240px;
    position: relative;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.service-card:hover .service-image img {
    transform: scale(1.08);
}

.service-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--clr-bg-surface) 0%, rgba(255, 255, 255, 0) 100%);
}

.service-icon {
    position: absolute;
    bottom: -20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background-color: var(--clr-bg-main);
    border: 1px solid var(--clr-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--clr-accent-primary);
    z-index: 2;
    transition: var(--tr-med);
}

.service-card:hover .service-icon {
    background-color: var(--clr-accent-primary);
    color: #fff;
    border-color: var(--clr-accent-primary);
    transform: rotate(360deg);
}

.service-content {
    padding: var(--sp-5);
    position: relative;
    z-index: 1;
}

.service-features {
    margin-top: var(--sp-4);
    border-top: 1px solid var(--clr-border);
    padding-top: var(--sp-4);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--clr-text-main);
    font-size: 0.9rem;
}

.service-features i {
    color: var(--clr-accent-secondary);
}

/* =========================================
   STATS BANNER
   ========================================= */
.stats-banner {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: var(--sp-8) 0;
    position: relative;
    overflow: hidden;
}

.stats-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(245, 158, 11, 0.03), transparent);
    transform: skewX(-45deg);
    animation: shine 8s infinite linear;
}

@keyframes shine {
    0% {
        left: -100%;
    }

    100% {
        left: 200%;
    }
}

.stats-grid {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: var(--sp-6);
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--clr-accent-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 20px rgba(245, 158, 11, 0.2);
}

.stat-label {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.875rem;
    color: var(--clr-text-muted);
}

/* =========================================
   PROCESS SECTION (NEW)
   ========================================= */
.process-timeline {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    margin-top: var(--sp-10);
    position: relative;
}

.process-step {
    flex: 1;
    max-width: 280px;
    text-align: center;
    padding: var(--sp-5) var(--sp-3);
    position: relative;
}

.process-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--clr-accent-primary), #fb923c);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #fff;
    margin: 0 auto var(--sp-4);
    box-shadow: 0 8px 25px rgba(234, 88, 12, 0.3);
    transition: var(--tr-med);
    position: relative;
    z-index: 2;
}

.process-step:hover .process-icon {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 12px 35px rgba(234, 88, 12, 0.5);
}

.process-number {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 800;
    color: var(--clr-accent-primary);
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
}

.process-step h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.process-step p {
    font-size: 0.9rem;
    line-height: 1.5;
}

.process-connector {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--clr-accent-primary), rgba(234, 88, 12, 0.2));
    margin-top: 55px;
    flex-shrink: 0;
}

/* =========================================
   ADVANTAGES SECTION (NEW)
   ========================================= */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--sp-5);
    margin-top: var(--sp-10);
}

.advantage-card {
    background: var(--clr-bg-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--br-lg);
    padding: var(--sp-6) var(--sp-5);
    text-align: center;
    transition: var(--tr-med);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--clr-accent-primary), var(--clr-accent-secondary));
    opacity: 0;
    transition: var(--tr-med);
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    border-color: rgba(234, 88, 12, 0.2);
}

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

.advantage-icon {
    width: 64px;
    height: 64px;
    background: rgba(234, 88, 12, 0.08);
    border-radius: var(--br-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--clr-accent-primary);
    margin: 0 auto var(--sp-4);
    transition: var(--tr-med);
}

.advantage-card:hover .advantage-icon {
    background: var(--clr-accent-primary);
    color: #fff;
    transform: scale(1.1);
}

.advantage-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.advantage-card p {
    font-size: 0.9rem;
    margin: 0;
}

/* =========================================
   GALLERY SECTION (NEW)
   ========================================= */
.gallery-filters {
    display: flex;
    justify-content: center;
    gap: var(--sp-3);
    margin-top: var(--sp-8);
    margin-bottom: var(--sp-8);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    background: transparent;
    border: 1px solid var(--clr-border-dark);
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--clr-text-light-muted);
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--tr-med);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--clr-accent-primary);
    border-color: var(--clr-accent-primary);
    color: #fff;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-4);
}

.gallery-item {
    position: relative;
    border-radius: var(--br-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(1.1);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.2) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--sp-5);
    opacity: 0;
    transition: var(--tr-med);
}

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

.gallery-tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: var(--clr-accent-primary);
    color: #fff;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    width: fit-content;
}

.gallery-overlay h4 {
    color: #fff;
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.gallery-overlay p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    margin: 0;
}

.gallery-item.hidden {
    display: none;
}

/* =========================================
   TESTIMONIALS SECTION (NEW)
   ========================================= */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--sp-6);
    margin-top: var(--sp-10);
}

.testimonial-card {
    background: var(--clr-bg-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--br-lg);
    padding: var(--sp-6);
    position: relative;
    transition: var(--tr-med);
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 15px;
    right: 25px;
    font-family: var(--font-heading);
    font-size: 6rem;
    font-weight: 800;
    color: rgba(234, 88, 12, 0.07);
    line-height: 1;
    pointer-events: none;
}

.testimonial-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    border-color: rgba(234, 88, 12, 0.2);
}

.testimonial-stars {
    display: flex;
    gap: 0.25rem;
    margin-bottom: var(--sp-4);
    color: #fbbf24;
    font-size: 1.125rem;
}

.testimonial-text {
    font-style: italic;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--clr-text-main);
    margin-bottom: var(--sp-5);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    border-top: 1px solid var(--clr-border);
    padding-top: var(--sp-4);
}

.author-avatar {
    font-size: 2.5rem;
    color: var(--clr-accent-secondary);
    line-height: 1;
}

.testimonial-author h4 {
    font-size: 1rem;
    margin-bottom: 0.125rem;
}

.testimonial-author span {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
}

/* =========================================
   CONTACT SECTION
   ========================================= */
.contact.section-dark h2 {
    color: var(--clr-text-light);
}

.contact.section-dark .subtitle_contact {
    color: var(--clr-text-light-muted);
}

.contact.section-dark .contact-method h4 {
    color: var(--clr-text-light);
}

.contact.section-dark .contact-method p {
    color: var(--clr-text-light-muted);
}

.contact.section-dark .contact-icon {
    background: rgba(2, 132, 199, 0.15);
}

.flex-contact {
    display: flex;
    gap: var(--sp-10);
    align-items: center;
}

.contact-info {
    flex: 1;
}

.subtitle_contact {
    margin-bottom: var(--sp-6);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-3);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(56, 189, 248, 0.1);
    color: var(--clr-accent-secondary);
    border-radius: var(--br-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-method h4 {
    margin-bottom: 0.25rem;
}

.contact-method p {
    margin: 0;
}

.contact-form-container {
    flex: 1;
    background-color: var(--clr-bg-surface);
    padding: var(--sp-8);
    border-radius: var(--br-lg);
    border: 1px solid var(--clr-border);
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.contact-form-container::before {
    content: '';
    position: absolute;
    top: -2px;
    right: -2px;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, transparent 50%, var(--clr-accent-primary) 50%);
    opacity: 0.2;
    border-top-right-radius: var(--br-lg);
    pointer-events: none;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}

.form-group.row {
    display: flex;
    gap: var(--sp-4);
}

.form-group.row .input-wrap {
    flex: 1;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

input,
select,
textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--clr-bg-surface-light);
    border: 1px solid var(--clr-border);
    color: var(--clr-text-dark);
    border-radius: var(--br-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--tr-fast);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--clr-accent-primary);
    box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.1);
}

textarea {
    resize: vertical;
}

.form-status {
    margin-top: 1rem;
    text-align: center;
    font-weight: 600;
}

.form-status.success {
    color: #10b981;
}

.form-status.error {
    color: #ef4444;
}

/* =========================================
   FILE UPLOAD (NEW)
   ========================================= */
.file-upload-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--clr-text-dark);
    margin-bottom: 0.25rem;
}

.file-upload-label i {
    color: var(--clr-accent-secondary);
    font-size: 1.25rem;
}

.file-upload-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
    background-color: var(--clr-bg-surface-light);
    border: 1px dashed var(--clr-border);
    padding: 0.75rem 1rem;
    border-radius: var(--br-sm);
    transition: var(--tr-fast);
    margin-bottom: var(--sp-2);
}

.file-upload-wrapper:hover,
.file-upload-wrapper:focus-within {
    border-color: var(--clr-accent-secondary);
    background-color: rgba(2, 132, 199, 0.03);
}

.file-upload-input {
    display: none;
}

.file-upload-button {
    background-color: var(--clr-bg-surface);
    border: 1px solid var(--clr-border);
    padding: 0.5rem 1rem;
    border-radius: var(--br-sm);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--clr-text-main);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--tr-fast);
    white-space: nowrap;
    margin-bottom: 0;
}

.file-upload-button:hover {
    background-color: var(--clr-accent-secondary);
    color: #fff;
    border-color: var(--clr-accent-secondary);
    box-shadow: 0 4px 10px rgba(2, 132, 199, 0.15);
}

.file-chosen-text {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 200px;
}

/* =========================================
   FOOTER (ENHANCED)
   ========================================= */
.footer {
    background-color: #0a0a0a;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: var(--sp-10);
}

.footer-grid-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: var(--sp-8);
    margin-bottom: var(--sp-8);
}

.footer-brand p {
    max-width: 300px;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--clr-text-light-muted);
}

.footer-social {
    display: flex;
    gap: 0.75rem;
    margin-top: var(--sp-4);
}

.footer-social a {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--clr-text-light-muted);
    transition: var(--tr-med);
}

.footer-social a:hover {
    background: var(--clr-accent-primary);
    color: #fff;
    border-color: var(--clr-accent-primary);
    transform: translateY(-3px);
}

.footer-col h4 {
    color: var(--clr-text-light);
    font-size: 1rem;
    margin-bottom: var(--sp-4);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--clr-text-light-muted);
    font-size: 0.9rem;
    transition: var(--tr-fast);
}

.footer-links a:hover {
    color: var(--clr-accent-primary);
    padding-left: 4px;
}

.footer-contact-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--clr-text-light-muted);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.footer-contact-list i {
    color: var(--clr-accent-primary);
    font-size: 1rem;
}

.map-container {
    border-radius: var(--br-md);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom {
    background-color: #000;
    padding: var(--sp-4) 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--clr-text-light-muted);
}

/* =========================================
   WHATSAPP FLOATING BUTTON (NEW)
   ========================================= */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: var(--clr-whatsapp);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #fff;
    z-index: 99;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: var(--tr-med);
    animation: whatsappPulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
    animation: none;
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: #fff;
    color: var(--clr-text-dark);
    padding: 0.5rem 1rem;
    border-radius: var(--br-md);
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    opacity: 0;
    pointer-events: none;
    transition: var(--tr-med);
    transform: translateX(10px);
}

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

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    transform: translateX(0);
}

@keyframes whatsappPulse {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }

    50% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 0 12px rgba(37, 211, 102, 0.15);
    }

    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
}

@keyframes slowZoom {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.1);
    }
}

/* =========================================
   ANIMATIONS CLASSES (Intersection Observer)
   ========================================= */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* =========================================
   RESPONSIVE DESIGN
   ========================================= */
@media (max-width: 1024px) {
    .footer-grid-layout {
        grid-template-columns: 1fr 1fr;
    }

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

@media (max-width: 900px) {
    .flex-contact {
        flex-direction: column;
    }

    .contact-form-container {
        width: 100%;
        padding: var(--sp-5);
    }

    .process-timeline {
        flex-direction: column;
        align-items: center;
    }

    .process-connector {
        width: 2px;
        height: 40px;
        margin: 0;
    }

    .process-step {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 80%;
        max-width: 400px;
        background-color: var(--clr-bg-surface);
        flex-direction: column;
        justify-content: center;
        padding: var(--sp-6);
        transition: right 0.4s ease;
        border-left: 1px solid var(--clr-border);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    }

    .nav-links.active {
        right: 0;
    }

    .mobile-toggle {
        display: block;
        z-index: 101;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .form-group.row {
        flex-direction: column;
    }

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

    .footer-grid-layout {
        grid-template-columns: 1fr;
        gap: var(--sp-6);
    }

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

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 54px;
        height: 54px;
        font-size: 1.75rem;
    }

    .whatsapp-tooltip {
        display: none;
    }
}

@media (max-width: 480px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }
}