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

:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #141b2d;
    --bg-tertiary: #1e2738;
    --bg-card: #1a2332;
    --text-primary: #ffffff;
    --text-secondary: #a8b2c7;
    --text-muted: #6b7689;
    --accent: #ff6b2c;
    --accent-hover: #ff851a;
    --accent-light: rgba(255, 107, 44, 0.15);
    --border: #2a3447;
    --gradient-main: linear-gradient(135deg, #ff6b2c 0%, #ff851a 100%);
    --gradient-dark: linear-gradient(180deg, #0a0e17 0%, #141b2d 100%);
    --gradient-card: linear-gradient(145deg, #1a2332 0%, #141b2d 100%);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
    --shadow-accent: 0 8px 32px rgba(255, 107, 44, 0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Oswald', 'Inter', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

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

ul {
    list-style: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-accent {
    color: var(--accent);
}

section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 64px;
}

.section-title {
    font-size: clamp(28px, 4vw, 44px);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-top: 16px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    white-space: nowrap;
    letter-spacing: 0.02em;
}

.btn-primary {
    background: var(--gradient-main);
    color: white;
    box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(255, 107, 44, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border);
}

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

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.navbar.scrolled {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    background: rgba(10, 14, 23, 0.95);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 4px;
    font-weight: 800;
}

.logo-kcs {
    font-family: 'Oswald', sans-serif;
    font-size: 32px;
    font-weight: 900;
    letter-spacing: 0.03em;
    background: linear-gradient(180deg, #e8e8e8 0%, #a8a8a8 40%, #d4d4d4 60%, #808080 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,0.5));
    text-transform: uppercase;
}

.logo-oluk {
    font-family: 'Oswald', sans-serif;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.08em;
    background: linear-gradient(180deg, #f4d03f 0%, #d4a017 50%, #f5c518 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,0.3));
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    transition: var(--transition);
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    width: 26px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 120px 24px 80px;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
}

.why-card {
    min-height: 100%;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('https://coresg-normal.trae.ai/api/ide/v1/text_to_image?prompt=dramatic%20industrial%20metal%20factory%20exterior%20at%20sunset%2C%20steel%20structures%2C%20smokestacks%2C%20cinematic%20orange%20sky%2C%20epic%20wide%20shot%2C%20professional%20photography&image_size=landscape_16_9');
    background-size: cover;
    background-position: center;
    filter: brightness(0.3);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 14, 23, 0.95) 0%, rgba(20, 27, 45, 0.85) 50%, rgba(255, 107, 44, 0.15) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    padding: 8px 20px;
    background: rgba(255, 107, 44, 0.1);
    border: 1px solid rgba(255, 107, 44, 0.3);
    border-radius: 100px;
    margin-bottom: 32px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--accent);
    text-transform: uppercase;
}

.tag-line {
    width: 24px;
    height: 1px;
    background: var(--accent);
}

.hero-title {
    font-size: clamp(42px, 7vw, 88px);
    font-weight: 800;
    margin-bottom: 24px;
    text-transform: uppercase;
    line-height: 1;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--text-secondary);
    max-width: 640px;
    margin-bottom: 48px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 72px;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 24px 40px;
    max-width: 760px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.stat-number {
    font-family: 'Oswald', sans-serif;
    font-size: 40px;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.stat-divider {
    width: 1px;
    height: 48px;
    background: var(--border);
}

.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-indicator span {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0%, 100% { opacity: 1; transform: scaleY(0); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
    51% { opacity: 1; transform: scaleY(1); transform-origin: bottom; }
    100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* ===== SECTION SHARED ===== */
.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 700;
    margin-bottom: 24px;
    text-transform: uppercase;
}

.section-line {
    width: 64px;
    height: 4px;
    background: var(--gradient-main);
    margin: 0 auto 24px;
    border-radius: 2px;
}

.section-desc {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.7;
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 80px;
    align-items: center;
}

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

.about-img-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 107, 44, 0.1), transparent);
    z-index: 1;
}

.about-img-wrapper img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.experience-badge {
    position: absolute;
    bottom: 12px;
    right: 24px;
    z-index: 2;
    background: var(--gradient-main);
    padding: 20px 24px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-accent);
}

.exp-number {
    font-family: 'Oswald', sans-serif;
    font-size: 52px;
    font-weight: 800;
    line-height: 1;
}

.exp-text {
    font-size: 13px;
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: 0.05em;
}

.about-title {
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.about-text {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 40px;
}

.feature-item {
    padding: 24px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
}

.feature-item h4 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== PRODUCTS ===== */
.products {
    background: var(--bg-primary);
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.product-card {
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 107, 44, 0.3);
}

.product-img {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1;
}

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

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

.product-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 14, 23, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-cta {
    padding: 14px 28px;
    background: var(--gradient-main);
    color: white;
    font-weight: 600;
    font-size: 14px;
    border-radius: var(--radius-sm);
    transform: translateY(20px);
    transition: var(--transition);
}

.product-card:hover .product-cta {
    transform: translateY(0);
}

.product-info {
    padding: 28px;
}

.product-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.product-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

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

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: 280px 280px;
    gap: 20px;
}

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

.gallery-item-1 {
    grid-column: span 2;
    grid-row: span 1;
}

.gallery-item-2 {
    grid-column: span 1;
    grid-row: span 1;
}

.gallery-item-3 {
    grid-column: span 1;
    grid-row: span 2;
}

.gallery-item-4 {
    grid-column: span 1;
    grid-row: span 1;
}

.gallery-item-5 {
    grid-column: span 2;
    grid-row: span 1;
}

.gallery-item-6 {
    grid-column: span 1;
    grid-row: span 1;
}

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

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 14, 23, 0.95) 0%, rgba(10, 14, 23, 0.3) 50%, transparent 100%);
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    opacity: 0;
    transition: var(--transition);
}

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

.gallery-overlay h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
    transform: translateY(20px);
    transition: var(--transition);
    transition-delay: 0.1s;
}

.gallery-overlay p {
    font-size: 14px;
    color: var(--accent);
    font-weight: 500;
    transform: translateY(20px);
    transition: var(--transition);
    transition-delay: 0.2s;
}

.gallery-item:hover .gallery-overlay h4,
.gallery-item:hover .gallery-overlay p {
    transform: translateY(0);
}

/* ===== CONTACT ===== */
.contact {
    background: var(--bg-primary);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
}

.contact-card {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    transition: var(--transition);
}

.contact-card:hover {
    border-color: var(--accent);
    transform: translateX(4px);
}

.contact-icon {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: var(--radius-sm);
}

.contact-card h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.social-links {
    margin-top: 32px;
}

.social-links h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

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

.social-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: var(--shadow-accent);
}

/* ===== FORM ===== */
.contact-form-wrap {
    padding: 40px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7689' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 44px;
}

.form-group select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

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

.btn-submit {
    width: 100%;
    justify-content: center;
    padding: 18px 32px;
    font-size: 16px;
}

.form-error {
    margin: 0 0 16px;
    color: #f87171;
    font-size: 14px;
    text-align: center;
}

.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 40px 20px;
    color: #22c55e;
}

.form-success.show {
    display: flex;
}

.form-success svg {
    margin-bottom: 16px;
}

.form-success h4 {
    font-size: 22px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-success p {
    color: var(--text-secondary);
    font-size: 15px;
}

.contact-form.sent .form-row,
.contact-form.sent .form-group,
.contact-form.sent .btn-submit {
    display: none;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-secondary);
    padding: 80px 0 0;
    border-top: 1px solid var(--border);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-main);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 48px;
    margin-bottom: 64px;
}

.footer-logo {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
    font-weight: 800;
    margin-bottom: 20px;
}

.footer-col p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.footer-col h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 3px;
    background: var(--gradient-main);
    border-radius: 2px;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    font-size: 15px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

.footer-contact-list svg {
    flex-shrink: 0;
    margin-top: 4px;
    color: var(--accent);
}

.footer-bottom {
    padding: 24px 0;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    font-size: 14px;
    color: var(--text-muted);
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social .social-icon {
    width: 40px;
    height: 40px;
}

/* ===== WHATSAPP BUTTON ===== */
.whatsapp-float {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 999;
    width: 64px;
    height: 64px;
    background: #25D366;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    animation: whatsappPulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1) translateY(-4px);
    box-shadow: 0 12px 40px rgba(37, 211, 102, 0.6);
    animation: none;
}

@keyframes whatsappPulse {
    0%, 100% { box-shadow: 0 8px 32px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 8px 48px rgba(37, 211, 102, 0.6); }
}

/* ===== ANIMATIONS ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
        section {
            padding: 80px 0;
        }

        .container {
            padding: 0 20px;
        }

        .hero {
            padding: 100px 24px 60px;
        }

        .hero-title {
            font-size: clamp(38px, 6vw, 72px);
        }

        .hero-subtitle {
            max-width: 100%;
        }

        .hero-buttons {
            flex-direction: column;
            align-items: flex-start;
        }

        .about-grid {
            gap: 48px;
        }

        .about-img-wrapper {
            min-height: 420px;
        }

        .experience-badge {
            bottom: 20px;
            right: 20px;
        }

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

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

        .product-info {
            padding: 24px;
        }

        .gallery-grid {
            grid-template-columns: repeat(3, 1fr);
            grid-template-rows: repeat(3, 240px);
        }

        .gallery-item-1 {
            grid-column: span 2;
        }

        .gallery-item-3 {
            grid-column: span 1;
            grid-row: span 2;
        }

        .gallery-item-5 {
            grid-column: span 2;
        }

        .contact-grid {
            grid-template-columns: 1fr;
            gap: 48px;
        }

        .contact-card {
            flex-direction: row;
        }

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

    @media (max-width: 768px) {
        section {
            padding: 60px 0;
        }

        .hero {
            padding: 90px 18px 50px;
        }

        .hero-title {
            font-size: clamp(34px, 7vw, 60px);
        }

        .hero-subtitle {
            margin-bottom: 36px;
        }

        .hero-buttons {
            width: 100%;
        }

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

        .nav-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 80%;
            max-width: 360px;
            height: 100vh;
            background: var(--bg-secondary);
            border-left: 1px solid var(--border);
            flex-direction: column;
            align-items: flex-start;
            padding: 100px 24px 32px;
            gap: 28px;
            transition: right 0.4s ease;
            z-index: 999;
        }

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

        .nav-menu::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-main);
        }

        .hamburger {
            display: flex;
            z-index: 1001;
        }

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

        .hero-tag {
            justify-content: center;
            margin: 0 auto 24px;
        }

        .hero-buttons {
            justify-content: center;
            align-items: center;
        }

        .hero-stats {
            justify-content: center;
            gap: 20px;
            text-align: center;
        }

        .stat-divider {
            display: none;
        }

        .about-grid {
            grid-template-columns: 1fr;
            gap: 56px;
        }

        .about-img-wrapper {
            min-height: 360px;
        }

        .experience-badge {
            bottom: 16px;
            right: 16px;
            padding: 18px 22px;
        }

        .features-grid {
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .why-grid {
            grid-template-columns: repeat(2, minmax(0, 1fr));
        }

        .products-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .gallery-grid {
            grid-template-columns: 1fr 1fr;
            grid-template-rows: repeat(4, 210px);
        }

        .gallery-item-1,
        .gallery-item-2,
        .gallery-item-3,
        .gallery-item-4,
        .gallery-item-5,
        .gallery-item-6 {
            grid-column: span 1;
            grid-row: span 1;
        }

        .gallery-item-1,
        .gallery-item-5 {
            grid-column: span 2;
        }

        .gallery-overlay {
            padding: 20px;
        }

        .contact-form-wrap {
            padding: 24px 18px;
        }

        .form-row {
            grid-template-columns: 1fr;
            gap: 0;
            margin-bottom: 0;
        }

        .contact-card {
            flex-direction: column;
            align-items: stretch;
        }

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

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

        .whatsapp-float {
            width: 56px;
            height: 56px;
            bottom: 20px;
            right: 20px;
        }
    }

    @media (max-width: 480px) {
        section {
            padding: 50px 0;
        }

        .hero {
            padding: 70px 16px 40px;
        }

        .hero-title {
            font-size: clamp(28px, 8vw, 40px);
            line-height: 1.05;
        }

        .hero-subtitle {
            font-size: 15px;
        }

        .hero-buttons {
            gap: 12px;
        }

        .btn {
            padding: 12px 20px;
            font-size: 14px;
        }

        .stat-number {
            font-size: 28px;
        }

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

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

        .hero-stats {
            flex-direction: column;
            align-items: center;
            width: 100%;
        }

        .gallery-grid {
            grid-template-columns: 1fr;
            grid-template-rows: repeat(6, 200px);
        }

        .gallery-item-1,
        .gallery-item-2,
        .gallery-item-3,
        .gallery-item-4,
        .gallery-item-5,
        .gallery-item-6 {
            grid-column: span 1;
        }

        .product-info {
            padding: 20px;
        }

        .logo-kcs {
            font-size: 24px;
        }

        .logo-oluk {
            font-size: 14px;
        }

        .experience-badge {
            bottom: 12px;
            right: 12px;
            padding: 16px 20px;
        }
    }