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

:root {
    --primary: #4858a2;
    --primary-dark: #3a478a;
    --accent: #26c3ed;
    --dark: #1a1a2e;
    --dark-green: #1b4332;
    --text: #1a1a2e;
    --text-light: #555;
    --bg: #fff;
    --bg-light: #f8f9fa;
    --bg-warm: #faf7f2;
    --whatsapp: #25D366;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--whatsapp);
    color: #fff;
    border-color: var(--whatsapp);
}

.btn-primary:hover {
    background: #1fb855;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.3);
}

/* btn-outline moved to hero section */

.btn-lg {
    padding: 18px 40px;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* === Header === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo img {
    height: 60px;
    width: auto;
}

.nav {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--primary);
    background: rgba(72, 88, 162, 0.08);
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--primary);
    color: #fff;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.header-phone:hover {
    background: var(--primary-dark);
}

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

.menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

/* === Hero === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: #111;
}

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

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1.05);
    transition: opacity 1.5s ease-in-out, transform 8s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
    transform: scale(1.15);
    animation: kenBurns 8s ease-in-out forwards;
}

@keyframes kenBurns {
    0% { transform: scale(1.0); }
    100% { transform: scale(1.15); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.55) 0%,
        rgba(0, 0, 0, 0.4) 50%,
        rgba(0, 0, 0, 0.6) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 120px 20px 80px;
}

.hero h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3.8rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.hero h1 span {
    color: #ffd700;
    display: block;
}

.hero p {
    font-size: 1.25rem;
    color: rgba(255,255,255,0.9);
    font-weight: 400;
    margin-bottom: 40px;
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

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

.btn-outline {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.7);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.15);
    color: #fff;
    border-color: #fff;
}

/* === Stats Bar === */
.stats-bar {
    background: var(--primary);
    padding: 30px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 15px;
    color: #fff;
    justify-content: center;
}

.stat-item i {
    font-size: 2rem;
    color: var(--accent);
}

.stat-item strong {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
}

.stat-item span {
    font-size: 0.85rem;
    opacity: 0.9;
}

/* === Section Common === */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent);
    border-radius: 3px;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-top: 16px;
}

/* === Services === */
.services {
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: var(--accent);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    font-size: 1.8rem;
    color: #fff;
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}

.service-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.95rem;
    transition: gap 0.3s ease;
}

.service-link:hover {
    gap: 14px;
    color: var(--accent);
}

/* === Why Choose Us === */
.why-us {
    background: var(--bg-warm);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.why-card {
    text-align: center;
    padding: 40px 24px;
    background: #fff;
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.why-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
}

.why-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(72, 88, 162, 0.1), rgba(38, 195, 237, 0.1));
    border-radius: 50%;
    font-size: 1.6rem;
    color: var(--primary);
}

.why-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--dark);
}

.why-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* === About Section === */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-images {
    position: relative;
}

.about-img-main {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.about-img-secondary {
    position: absolute;
    bottom: -30px;
    right: -20px;
    width: 200px;
    border-radius: 12px;
    border: 5px solid #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.about-text h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.2rem;
    color: var(--dark);
    margin-bottom: 20px;
}

.about-text h2 span {
    color: var(--primary);
}

.about-lead {
    font-size: 1.1rem;
    color: var(--text);
    font-weight: 500;
    margin-bottom: 16px;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: 14px;
    line-height: 1.8;
}

.about-features {
    list-style: none;
    margin: 24px 0;
}

.about-features li {
    padding: 8px 0;
    color: var(--text);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.about-features li i {
    color: var(--accent);
    font-size: 1.1rem;
}

/* === Products === */
.products {
    background: var(--bg-light);
}

.product-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
}

.product-tab {
    padding: 10px 22px;
    border: 2px solid #ddd;
    border-radius: 50px;
    background: #fff;
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text);
    cursor: pointer;
    transition: all 0.3s ease;
}

.product-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.product-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.product-grid {
    display: none;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.product-grid.active {
    display: grid;
}

.product-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.product-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

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

.product-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
    padding: 40px 16px 16px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.product-overlay span {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 600;
    text-align: center;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.products-cta {
    text-align: center;
    margin-top: 40px;
}

/* === Gallery === */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.gallery-item {
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.gallery-img-real {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.gallery-item:hover .gallery-img-real {
    transform: scale(1.05);
}

.gallery-item {
    overflow: hidden;
}

.gallery-info {
    padding: 20px;
}

.gallery-info h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}

.gallery-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* === Videos === */
.videos {
    background: var(--bg-warm);
}

.videos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.video-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.video-embed {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    overflow: hidden;
}

.video-thumb-link {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.video-thumb-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 0, 0, 0.85);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 22px;
    transition: background 0.3s ease, transform 0.3s ease;
}

.video-thumb-link:hover .play-btn {
    background: rgba(255, 0, 0, 1);
    transform: translate(-50%, -50%) scale(1.1);
}

.video-info {
    padding: 20px;
}

.video-info h4 {
    font-size: 1.1rem;
    color: var(--dark);
    margin-bottom: 8px;
}

.video-info p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

.videos-cta {
    text-align: center;
    margin-top: 40px;
}

/* === Process === */
.process {
    background: var(--bg-light);
}

.process-grid {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
}

.process-step {
    text-align: center;
    padding: 30px 20px;
    flex: 1;
    max-width: 250px;
}

.step-number {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
}

.process-step h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--dark);
}

.process-step p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.process-connector {
    display: flex;
    align-items: center;
    padding-top: 45px;
    color: var(--accent);
    font-size: 1.2rem;
}

/* === CTA Section === */
.cta-section {
    background: linear-gradient(135deg, var(--dark-green) 0%, #0d2137 100%);
    padding: 80px 0;
    text-align: center;
}

.cta-content h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 16px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    margin-bottom: 32px;
}

/* === Contact === */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item > i {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    color: #fff;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1rem;
    margin-bottom: 4px;
    color: var(--dark);
}

.contact-item p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

.contact-item a {
    color: var(--primary);
    font-weight: 500;
}

.contact-item a:hover {
    color: var(--accent);
}

.contact-form-wrapper {
    background: var(--bg-light);
    border-radius: 16px;
    padding: 40px;
    border: 1px solid #eee;
}

.contact-form-wrapper h3 {
    font-size: 1.4rem;
    margin-bottom: 24px;
    color: var(--dark);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 14px 18px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    background: #fff;
    transition: border-color 0.3s ease;
    width: 100%;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.contact-form textarea {
    resize: vertical;
}

/* === Footer === */
.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    height: 50px;
    margin-bottom: 16px;
    filter: brightness(1.5);
}

.footer-about p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.social-links a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.footer-links h4,
.footer-services h4,
.footer-contact h4 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer-links a,
.footer-services a {
    display: block;
    padding: 5px 0;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover,
.footer-services a:hover {
    color: var(--accent);
}

.footer-contact p {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.9rem;
}

.footer-contact a {
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    font-size: 0.85rem;
    opacity: 0.7;
}

/* === Floating WhatsApp === */
.whatsapp-float {
    position: fixed;
    bottom: 90px;
    right: 24px;
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--whatsapp);
    color: #fff;
    padding: 14px 24px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-float i {
    font-size: 1.5rem;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6); }
}

/* === Mobile Bottom Bar === */
.mobile-bottom-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #fff;
    box-shadow: 0 -2px 15px rgba(0, 0, 0, 0.1);
}

.mobile-action {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px;
    font-weight: 600;
    font-size: 0.95rem;
}

.mobile-action.call {
    background: var(--primary);
    color: #fff;
}

.mobile-action.whatsapp {
    background: var(--whatsapp);
    color: #fff;
}

/* === Lightbox Gallery === */
.gallery-item {
    cursor: pointer;
}

.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.92);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-img {
    max-width: 90%;
    max-height: 75vh;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox.active .lightbox-img {
    transform: scale(1);
}

.lightbox-caption {
    color: #fff;
    text-align: center;
    margin-top: 20px;
    font-size: 1.1rem;
    font-weight: 600;
}

.lightbox-caption span {
    display: block;
    font-size: 0.9rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 4px;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: background 0.3s ease;
    border: none;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.25);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: background 0.3s ease;
    border: none;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.25);
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

/* === Scroll Animations === */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }
.fade-up:nth-child(5) { transition-delay: 0.15s; }
.fade-up:nth-child(6) { transition-delay: 0.25s; }

/* === Responsive === */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .product-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

    .about-img-secondary {
        right: 10px;
        bottom: -20px;
        width: 160px;
    }

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

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transform: translateY(-120%);
        transition: transform 0.3s ease;
    }

    .nav.open {
        transform: translateY(0);
    }

    .menu-toggle {
        display: flex;
    }

    .header-phone {
        display: none;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .stat-item {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }

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

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

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

    .product-tab {
        padding: 8px 16px;
        font-size: 0.8rem;
    }

    .product-card img {
        height: 200px;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

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

    .about-img-secondary {
        display: none;
    }

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

    .process-connector {
        transform: rotate(90deg);
        padding-top: 0;
    }

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

    .section-header h2 {
        font-size: 2rem;
    }

    .section {
        padding: 60px 0;
    }

    .cta-content h2 {
        font-size: 1.8rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .whatsapp-float {
        bottom: 80px;
        right: 16px;
        padding: 12px 20px;
    }

    .whatsapp-label {
        display: none;
    }

    .whatsapp-float {
        border-radius: 50%;
        width: 60px;
        height: 60px;
        justify-content: center;
        padding: 0;
    }

    .mobile-bottom-bar {
        display: flex;
    }

    .footer {
        padding-bottom: 60px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

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

    .product-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .product-card img {
        height: 160px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

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