/* ========================================================
   IFS ELECTRÓNICA - Estilos principales
   Tema: Gris medio tirando a claro, diseño moderno
   ======================================================== */

/* ====== VARIABLES ====== */
:root {
    --bg:            #ecedef;
    --bg-alt:        #e0e1e4;
    --bg-dark-sec:   #d4d6d9;
    --bg-card:       #f4f5f7;
    --bg-dark:       #1e2027;
    --bg-darker:     #16181e;
    --accent:        #2460b4;
    --accent-hover:  #1a4d98;
    --accent-light:  #3a75c8;
    --accent-bg:     rgba(36, 96, 180, 0.08);
    --green:         #16a34a;
    --whatsapp:      #25D366;
    --whatsapp-dark: #128C7E;
    --text:          #1c1e24;
    --text-sec:      #4a4e5a;
    --text-muted:    #7c8090;
    --border:        #c8cace;
    --border-light:  #dddfe2;
    --white:         #ffffff;
    --shadow-sm:     0 2px 8px rgba(0,0,0,0.06);
    --shadow:        0 4px 20px rgba(0,0,0,0.09);
    --shadow-lg:     0 8px 40px rgba(0,0,0,0.14);
    --radius:        12px;
    --radius-lg:     20px;
    --radius-sm:     8px;
    --transition:    0.3s ease;
    --font:          'Poppins', sans-serif;
    --nav-h:         70px;
}

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

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

body {
    font-family: var(--font);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.65;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

.section {
    padding: 90px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-label {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-bg);
    padding: 5px 14px;
    border-radius: 50px;
    margin-bottom: 14px;
}

.section-header h2 {
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: 700;
    color: var(--text);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--text-sec);
    max-width: 560px;
    margin: 0 auto;
}

/* ====== BOTONES ====== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(36,96,180,0.35);
}

.btn-ghost {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.5);
}

.btn-ghost:hover {
    background: rgba(255,255,255,0.12);
    border-color: var(--white);
}

.btn-block {
    width: 100%;
    justify-content: center;
    padding: 15px;
    font-size: 1rem;
}

/* ====== NAVBAR ====== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-h);
    transition: background var(--transition), box-shadow var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: var(--bg-darker);
    box-shadow: 0 2px 20px rgba(0,0,0,0.25);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
}

.brand-ifs {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-light);
    line-height: 1;
    letter-spacing: -1px;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-electronica {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.5px;
}

.brand-tagline {
    font-size: 0.65rem;
    font-weight: 400;
    color: rgba(255,255,255,0.6);
    letter-spacing: 0.5px;
    white-space: nowrap;
}

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

.nav-link {
    font-size: 0.88rem;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    padding: 7px 14px;
    border-radius: 6px;
    transition: all var(--transition);
}

.nav-link:hover {
    color: var(--white);
    background: rgba(255,255,255,0.1);
}

.btn-nav-cta {
    background: var(--accent);
    color: var(--white) !important;
    padding: 8px 20px;
    border-radius: 6px;
    font-weight: 600;
}

.btn-nav-cta:hover {
    background: var(--accent-hover);
}

.nav-link.active {
    color: var(--white);
    background: rgba(255,255,255,0.1);
}

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

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

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

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

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

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(
        135deg,
        rgba(14,18,28,0.85) 0%,
        rgba(20,30,55,0.75) 50%,
        rgba(14,18,28,0.80) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: calc(var(--nav-h) + 40px) 24px 80px;
    max-width: 860px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(36,96,180,0.3);
    border: 1px solid rgba(36,96,180,0.5);
    color: #90b8f0;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.4rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.hero-highlight {
    color: var(--accent-light);
    position: relative;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255,255,255,0.8);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    background: rgba(255,255,255,0.07);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius);
    padding: 20px 32px;
    max-width: 500px;
    margin: 0 auto;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex: 1;
}

.hero-stat strong {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.hero-stat span {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.65);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.2);
    margin: 0 16px;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero-scroll a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    transition: all var(--transition);
    animation: bounce 2s infinite;
}

.hero-scroll a:hover {
    border-color: var(--white);
    color: var(--white);
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}

/* ====== SERVICES SECTION ====== */
.services-section {
    background: var(--bg);
}

.priority-label {
    margin-bottom: 24px;
}

.priority-label span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.priority-label span i {
    color: #f59e0b;
}

.secondary-label {
    margin-top: 56px;
    margin-bottom: 24px;
}

/* Primary services grid */
.services-grid-primary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 0;
}

.service-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: transform var(--transition), box-shadow var(--transition);
}

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

.service-card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.service-card:hover .service-card-image img {
    transform: scale(1.05);
}

.service-card-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--accent);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 50px;
}

.service-card-body {
    padding: 24px;
}

.service-icon-wrap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--accent-bg);
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 1.3rem;
    color: var(--accent);
}

.service-card-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
}

.service-card-body p {
    font-size: 0.9rem;
    color: var(--text-sec);
    margin-bottom: 16px;
    line-height: 1.6;
}

.service-checklist {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.service-checklist li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-sec);
}

.service-checklist li i {
    color: var(--green);
    font-size: 0.8rem;
    flex-shrink: 0;
}

/* Secondary services grid */
.services-grid-secondary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.service-card-mini {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
    text-align: center;
}

.service-card-mini:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.service-mini-image {
    height: 140px;
    overflow: hidden;
    position: relative;
}

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

.service-card-mini:hover .service-mini-image img {
    transform: scale(1.05);
}

.service-mini-image--placeholder {
    background: linear-gradient(135deg, var(--bg-alt), var(--bg-dark-sec));
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-mini-image--placeholder.alt {
    background: linear-gradient(135deg, #d8d9db, #c8cace);
}

.service-mini-icon-large {
    font-size: 3rem;
    color: var(--accent);
    opacity: 0.4;
}

.service-card-mini .service-mini-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--accent-bg);
    border-radius: var(--radius-sm);
    margin: 20px auto 12px;
    font-size: 1.2rem;
    color: var(--accent);
}

.service-card-mini h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}

.service-card-mini p {
    font-size: 0.85rem;
    color: var(--text-sec);
    padding: 0 20px 24px;
    line-height: 1.6;
}

/* ====== GALLERY SECTION ====== */
.gallery-section {
    background: var(--bg-alt);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: 240px 240px;
    gap: 12px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
}

.gallery-item--large {
    grid-column: 1 / 3;
    grid-row: 1 / 3;
}

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

.gallery-item:hover img {
    transform: scale(1.06);
}

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(14,18,28,0.85));
    color: var(--white);
    padding: 20px 16px 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    font-weight: 500;
    transform: translateY(100%);
    transition: transform var(--transition);
}

.gallery-item:hover .gallery-caption {
    transform: translateY(0);
}

.gallery-caption i {
    color: var(--accent-light);
    font-size: 1rem;
}

/* ====== ABOUT SECTION ====== */
.about-section {
    background: var(--bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-content .section-label {
    display: inline-block;
    margin-bottom: 14px;
}

.about-content h2 {
    font-size: clamp(1.7rem, 2.8vw, 2.4rem);
    font-weight: 700;
    color: var(--text);
    margin-bottom: 20px;
    line-height: 1.2;
}

.about-lead {
    font-size: 1.05rem;
    color: var(--text-sec);
    margin-bottom: 36px;
    line-height: 1.7;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    background: var(--accent-bg);
    border-radius: var(--radius-sm);
    font-size: 1.1rem;
    color: var(--accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.feature-text h4 {
    font-size: 0.97rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}

.feature-text p {
    font-size: 0.87rem;
    color: var(--text-sec);
    line-height: 1.6;
}

.about-visual {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-image-wrap {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image-wrap img {
    width: 100%;
    height: 380px;
    object-fit: cover;
    object-position: center top;
}

.about-image-decoration {
    position: absolute;
    top: -12px;
    right: -12px;
    width: 80px;
    height: 80px;
    background: var(--accent);
    border-radius: var(--radius-sm);
    z-index: -1;
}

.about-stats-bar {
    display: flex;
    align-items: center;
    background: var(--bg-dark);
    border-radius: var(--radius);
    padding: 22px 30px;
    gap: 0;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    flex: 1;
}

.stat-num {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.stat-text {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.55);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-divider {
    width: 1px;
    height: 36px;
    background: rgba(255,255,255,0.15);
    margin: 0 16px;
}

/* ====== SEND SECTION ====== */
.send-section {
    background: var(--bg-alt);
}

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

.map-wrapper {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.map-header-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: var(--accent);
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 600;
}

.map-header-bar i {
    font-size: 1.1rem;
}

.map-embed-container {
    border: none;
}

.map-embed-container iframe {
    display: block;
}

.map-details {
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    border-top: 1px solid var(--border-light);
}

.map-detail-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.87rem;
    color: var(--text-sec);
}

.map-detail-item i {
    color: var(--accent);
    width: 16px;
    flex-shrink: 0;
}

/* Forms */
.form-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.form-group label i {
    color: var(--accent);
    font-size: 0.8rem;
    width: 14px;
}

.required {
    color: #e53e3e;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.92rem;
    color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
    appearance: none;
}

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

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(36,96,180,0.12);
    background: var(--white);
}

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

.form-row-two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.select-wrapper {
    position: relative;
}

.select-wrapper select {
    cursor: pointer;
    padding-right: 40px;
}

.select-arrow {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    font-size: 0.8rem;
}

.form-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 14px;
}

.form-note i {
    color: var(--green);
}

/* ====== CONTACT SECTION ====== */
.contact-section {
    background: var(--bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    align-items: start;
}

.contact-info-panel {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--accent-bg);
    border-radius: var(--radius-sm);
    font-size: 1.2rem;
    color: var(--accent);
    flex-shrink: 0;
}

.whatsapp-icon {
    background: rgba(37,211,102,0.12);
    color: var(--whatsapp);
}

.contact-info-text h4 {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}

.contact-info-text p,
.contact-info-text a {
    font-size: 0.9rem;
    color: var(--text-sec);
    line-height: 1.5;
}

.contact-info-text span {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.whatsapp-link {
    color: var(--whatsapp) !important;
    font-weight: 600;
    font-size: 1.05rem !important;
}

.whatsapp-link:hover {
    text-decoration: underline;
}

.contact-social {
    display: flex;
    gap: 10px;
    margin-top: 8px;
}

.social-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-sec);
    font-size: 1rem;
    transition: all var(--transition);
}

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

.social-btn--whatsapp:hover {
    background: var(--whatsapp);
    border-color: var(--whatsapp);
}

/* ====== FOOTER ====== */
.footer {
    background: var(--bg-darker);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--white);
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 0.87rem;
    color: rgba(255,255,255,0.5);
    line-height: 1.7;
    max-width: 280px;
}

.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: rgba(255,255,255,0.9);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 18px;
}

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

.footer-links li a {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.87rem;
    color: rgba(255,255,255,0.5);
    transition: color var(--transition);
}

.footer-links li a:hover {
    color: var(--white);
}

.footer-links li a i {
    font-size: 0.8rem;
    color: var(--accent-light);
    width: 14px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.87rem;
    color: rgba(255,255,255,0.5);
}

.footer-contact li i {
    color: var(--accent-light);
    width: 14px;
    flex-shrink: 0;
}

.footer-contact li a {
    color: rgba(255,255,255,0.5);
    transition: color var(--transition);
}

.footer-contact li a:hover {
    color: var(--white);
}

.footer-social {
    display: flex;
    gap: 8px;
    margin-top: 20px;
}

.footer-social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.07);
    border-radius: 6px;
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    transition: all var(--transition);
}

.footer-social-link:hover {
    background: var(--accent);
    color: var(--white);
    transform: translateY(-2px);
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.3);
}

/* ====== WHATSAPP FLOTANTE ====== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    background: var(--whatsapp);
    border-radius: 50%;
    color: var(--white);
    font-size: 1.7rem;
    box-shadow: 0 4px 20px rgba(37,211,102,0.5);
    transition: all var(--transition);
}

.whatsapp-float:hover {
    background: var(--whatsapp-dark);
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(37,211,102,0.6);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--bg-dark);
    color: var(--white);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    padding: 6px 12px;
    border-radius: 6px;
    pointer-events: none;
    opacity: 0;
    transform: translateX(10px);
    transition: all var(--transition);
    font-family: var(--font);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-right: none;
    border-left-color: var(--bg-dark);
}

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

/* ====== TOAST ====== */
.toast {
    position: fixed;
    bottom: 100px;
    right: 30px;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-dark);
    color: var(--white);
    padding: 14px 22px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    font-size: 0.9rem;
    font-weight: 500;
    transform: translateY(20px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.35s ease;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast i {
    color: var(--green);
    font-size: 1.1rem;
}

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

    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: 200px 200px;
    }

    .gallery-item--large {
        grid-column: 1 / 3;
        grid-row: 1 / 3;
    }

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

@media (max-width: 900px) {
    :root { --nav-h: 64px; }

    .section { padding: 70px 0; }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image-wrap img {
        height: 280px;
    }

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

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

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: var(--nav-h);
        left: 0;
        right: 0;
        background: var(--bg-darker);
        flex-direction: column;
        padding: 20px 24px;
        gap: 4px;
        transform: translateY(-120%);
        opacity: 0;
        transition: all var(--transition);
        border-top: 1px solid rgba(255,255,255,0.08);
    }

    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-link {
        width: 100%;
        padding: 12px 16px;
    }

    .btn-nav-cta {
        width: 100%;
        text-align: center;
    }

    .nav-toggle {
        display: flex;
    }

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

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

    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: repeat(3, 180px);
    }

    .gallery-item--large {
        grid-column: 1 / 3;
        grid-row: 1;
    }

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

    .hero-stats {
        gap: 0;
        padding: 16px 20px;
    }

    .hero-stat strong {
        font-size: 1.4rem;
    }

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

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

@media (max-width: 480px) {
    .container { padding: 0 16px; }

    .section { padding: 56px 0; }

    .hero-title {
        font-size: 1.7rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .hero-stat-divider {
        width: 60px;
        height: 1px;
        margin: 0;
    }

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

    .gallery-item--large {
        grid-column: 1;
        grid-row: 1;
        height: 220px;
    }

    .gallery-item {
        height: 180px;
    }

    .about-stats-bar {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 60px;
        height: 1px;
        margin: 0;
    }
}