/* ========================================
   LIJA INTERNATIONAL - REDESIGN 2026
======================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    --bg: #0c0c0c;
    --bg-alt: #f5f7fa;
    --bg-card: #ffffff;
    --white: #ffffff;
    --text: #1a1a1a;
    --text-muted: #5c5c5c;
    --text-light: #888;
    
    --primary: #0d2553;
    --primary-light: #2ba6cf;
    --primary-dark: #081a3d;
    
    --font: 'Plus Jakarta Sans', -apple-system, sans-serif;
    --ease: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 4px 24px rgba(13,37,83,0.08);
    --shadow-hover: 0 12px 40px rgba(13,37,83,0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg-alt);
    overflow-x: hidden;
}

::selection { background: var(--primary); color: white; }

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

/* ========================================
   LOADER
======================================== */

.loader {
    position: fixed; inset: 0;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

.loader.hidden { opacity: 0; visibility: hidden; }

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

.loader-logo { margin-bottom: 32px; }

.loader-logo img { height: 48px; }

.loader-bar {
    width: 80px;
    height: 3px;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
    overflow: hidden;
}

.loader-bar span {
    display: block;
    height: 100%;
    width: 0;
    background: var(--primary);
    animation: loadBar 1.5s var(--ease) forwards;
}

@keyframes loadBar { to { width: 100%; } }

/* ========================================
   SCROLL REVEAL / ANIMATIONS
======================================== */

.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll.delay-1 { transition-delay: 0.1s; }
.animate-on-scroll.delay-2 { transition-delay: 0.2s; }
.animate-on-scroll.delay-3 { transition-delay: 0.3s; }
.animate-on-scroll.delay-4 { transition-delay: 0.4s; }
.animate-on-scroll.delay-5 { transition-delay: 0.5s; }

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* ========================================
   NAVIGATION - FULL WHITE
======================================== */

.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 18px 0;
    background: #ffffff;
    box-shadow: 0 1px 0 rgba(0,0,0,0.05);
    transition: all 0.4s var(--ease);
}

.nav.scrolled {
    padding: 14px 0;
    box-shadow: 0 4px 24px rgba(13,37,83,0.08);
}

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

.nav-logo img {
    height: 48px;
    transition: transform 0.3s var(--ease);
}

.nav-logo:hover img { transform: scale(1.02); }

.nav-menu { display: flex; gap: 4px; }

.nav-link {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all 0.3s var(--ease);
}

.nav-link:hover { color: var(--primary); background: rgba(13,37,83,0.06); }

.nav-link.active { color: white; background: var(--primary); }

.nav-right { display: flex; align-items: center; gap: 12px; }

.nav-whatsapp {
    width: 44px; height: 44px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center; justify-content: center;
    color: white;
    font-size: 20px;
    transition: transform 0.3s var(--ease);
}

.nav-whatsapp:hover { transform: scale(1.08); }

.nav-btn {
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all 0.3s var(--ease);
}

.nav-btn:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 40px; height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 100%;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s;
}

.nav-toggle.active span:first-child {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:last-child {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================================
   HERO
======================================== */

.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    padding: 100px 0 60px;
}

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

.hero-slider { position: absolute; inset: 0; }

.slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1.05);
    transition: opacity 1.2s var(--ease), transform 1.2s var(--ease);
}

.slide.active {
    opacity: 1;
    transform: scale(1);
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(13,37,83,0.75) 0%, rgba(12,12,12,0.85) 50%, rgba(12,12,12,0.6) 100%);
}

.hero-shapes { display: none; }

.hero-label { animation: fadeInUp 0.8s var(--ease) 0.2s both; }
.hero-title { animation: fadeInUp 0.8s var(--ease) 0.4s both; }
.hero-text { animation: fadeInUp 0.8s var(--ease) 0.6s both; }
.hero-btns { animation: fadeInUp 0.8s var(--ease) 0.8s both; }

.hero-container {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 720px;
    padding: 0;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    color: rgba(255,255,255,0.95);
    margin-bottom: 28px;
}

.pulse {
    width: 6px; height: 6px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    font-size: clamp(2.5rem, 5.5vw, 4rem);
    font-weight: 800;
    line-height: 1.15;
    color: white;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.gradient-text { color: #2ba6cf; }

.hero-text {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.9);
    line-height: 1.8;
    margin-bottom: 36px;
}

.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

.btn-main {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 26px;
    background: var(--primary);
    color: white;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.4s var(--ease);
}

.btn-main:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(13,37,83,0.35);
}

.btn-main.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255,255,255,0.5);
}

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

.btn-main .btn-icon {
    width: 20px; height: 20px;
    background: rgba(255,255,255,0.25);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
}

.btn-main.btn-outline .btn-icon {
    background: rgba(255,255,255,0.2);
}

.btn-icon {
    width: 20px; height: 20px;
    background: rgba(255,255,255,0.25);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
}

.hero-slider-nav {
    position: absolute;
    bottom: 40px;
    right: 0;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 16px;
}

.slider-arrow {
    width: 48px; height: 48px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s var(--ease);
}

.slider-arrow:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: scale(1.05);
}

.slider-progress {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    color: rgba(255,255,255,0.8);
}

.progress-bar {
    width: 60px;
    height: 4px;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar span {
    display: block;
    height: 100%;
    width: 20%;
    background: var(--primary);
    border-radius: 2px;
    transition: width 0.5s var(--ease);
}

/* ========================================
   WHO WE ARE
======================================== */

.who-we-are {
    padding: 120px 0 100px;
    background: var(--bg-card);
}

.who-header {
    max-width: 800px;
    margin-bottom: 64px;
}

.section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
    margin-bottom: 24px;
}

.who-overview {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
}

.who-overview:last-of-type { margin-bottom: 0; }

.who-block {
    margin-bottom: 64px;
}

.who-block-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 28px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
}

.who-division {
    margin-bottom: 32px;
}

.who-division-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 16px;
}

.who-product-list { display: flex; flex-direction: column; gap: 12px; }

.who-product-item {
    padding: 20px 24px;
    background: var(--bg-alt);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    transition: all 0.4s var(--ease);
    border: 1px solid transparent;
}

.who-product-item:hover {
    transform: translateX(6px);
    border-color: rgba(13,37,83,0.08);
    box-shadow: var(--shadow);
}

.who-product-item strong { color: var(--text); }

.who-product-item em {
    display: block;
    margin-top: 6px;
    font-style: normal;
    font-size: 0.85rem;
    color: var(--text-light);
}

/* Compliance */
.who-compliance-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.who-compliance-item {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--bg-alt);
    border-radius: var(--radius-sm);
    transition: all 0.4s var(--ease);
}

.who-compliance-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.who-compliance-item i {
    font-size: 20px;
    color: var(--primary);
    flex-shrink: 0;
}

.who-compliance-item strong { color: var(--text); }

.who-compliance-item div {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Why Choose */
.who-why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.who-why-item {
    padding: 32px;
    background: var(--bg-alt);
    border-radius: var(--radius);
    transition: all 0.4s var(--ease);
    border: 1px solid transparent;
}

.who-why-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(13,37,83,0.06);
}

.who-why-item i {
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 16px;
}

.who-why-item h5 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}

.who-why-item p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* CTA */
.who-cta {
    text-align: center;
    padding-top: 48px;
    border-top: 1px solid #eee;
}

.who-closing {
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 640px;
    margin: 0 auto 28px;
}

/* ========================================
   PRODUCTS
======================================== */

#product {
    padding: 80px 0 120px;
    background: var(--bg-alt);
}

#product .who-block {
    margin-bottom: 0;
}

.who-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.who-product-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.5s var(--ease);
    border: 1px solid rgba(13,37,83,0.04);
}

.who-product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(13,37,83,0.08);
}

.who-product-card-img {
    height: 180px;
    overflow: hidden;
}

.who-product-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s var(--ease);
}

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

.who-product-card-content {
    padding: 22px;
}

.who-product-card-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
}

.who-product-card-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Adhesives & Sealants - Full Product Block */
.who-product-card-full {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 0;
    margin-top: 48px;
    align-items: stretch;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.5s var(--ease);
}

.who-product-card-full:hover {
    box-shadow: var(--shadow-hover);
}

.who-product-card-full .who-product-card-img {
    height: auto;
    min-height: 400px;
}

.who-product-card-content-full {
    padding: 40px 48px;
    display: flex;
    flex-direction: column;
}

.who-product-card-content-full h4 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.product-intro {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 28px;
}

.product-inner-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    margin-bottom: 28px;
}

.product-inner-block {
    padding: 20px 0;
    border-top: 1px solid #eee;
}

.product-inner-block h5 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.product-inner-block p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 12px;
}

.product-inner-block strong {
    font-size: 0.85rem;
    color: var(--text);
    display: block;
    margin-bottom: 8px;
}

.product-inner-block ul {
    margin: 0;
    padding-left: 18px;
}

.product-inner-block li {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 4px;
}

.product-apps {
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.product-apps strong {
    font-size: 0.9rem;
    color: var(--text);
    display: block;
    margin-bottom: 8px;
}

.product-apps p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.product-cta {
    margin-top: 12px !important;
    font-weight: 500;
    color: var(--text) !important;
}

@media (max-width: 992px) {
    .who-product-card-full {
        grid-template-columns: 1fr;
    }
    
    .who-product-card-full .who-product-card-img {
        min-height: 280px;
    }
}

@media (max-width: 768px) {
    .product-inner-grid { grid-template-columns: 1fr; }
    
    .who-product-card-content-full { padding: 28px 24px; }
}

/* ========================================
   FOOTER
======================================== */

.footer {
    background: var(--bg);
    padding: 80px 0 40px;
    color: white;
}

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

.footer-brand img {
    height: 50px;
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.7);
    line-height: 1.7;
    max-width: 500px;
    margin: 0 auto 32px;
}

.footer-contact {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.8);
    font-size: 0.95rem;
}

.footer-contact-item i { color: var(--primary); }

.footer-contact-item a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
}

.footer-contact-item a:hover { color: white; }

.footer-social {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.footer-social a {
    width: 44px; height: 44px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    transition: all 0.3s var(--ease);
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-bottom {
    padding-top: 40px;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.5);
}

/* ========================================
   WHATSAPP FLOAT
======================================== */

.wa-float {
    position: fixed;
    bottom: 32px;
    right: 32px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: #25D366;
    color: white;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    box-shadow: 0 8px 30px rgba(37,211,102,0.45);
    z-index: 999;
    transition: all 0.4s var(--ease);
    animation: floatIn 0.6s var(--ease) 1.5s both;
}

.wa-float:hover {
    transform: scale(1.06) translateY(-3px);
    box-shadow: 0 12px 40px rgba(37,211,102,0.55);
}

@keyframes floatIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========================================
   REVEAL ANIMATIONS
======================================== */

.reveal, .reveal-left, .reveal-right, .reveal-scale {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s var(--ease);
}

.reveal.active, .reveal-left.active, .reveal-right.active, .reveal-scale.active {
    opacity: 1;
    transform: translateY(0);
}

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

/* ========================================
   RESPONSIVE
======================================== */

@media (max-width: 992px) {
    .nav-inner { padding: 0 20px; }
    
    .nav-menu {
        position: fixed;
        top: 0; right: -100%;
        width: 300px;
        max-width: 85vw;
        height: 100vh;
        background: linear-gradient(180deg, #0d2553 0%, #081a3d 100%);
        flex-direction: column;
        padding: 100px 28px 32px;
        gap: 4px;
        transition: right 0.5s var(--ease);
        box-shadow: -10px 0 40px rgba(0,0,0,0.2);
    }
    
    .nav-menu.active { right: 0; }
    
    .nav-menu .nav-link {
        color: white;
    }
    
    .nav-menu .nav-link:hover {
        color: white;
        background: rgba(255,255,255,0.1);
    }
    
    .nav-menu .nav-link.active {
        color: white;
        background: var(--primary);
    }
    
    .nav-link {
        padding: 14px 16px;
        font-size: 16px;
    }
    
    .nav-toggle { display: flex; }
    
    .who-compliance-grid,
    .who-why-grid {
        grid-template-columns: 1fr;
    }
    
    .who-products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .who-products-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container { padding: 0 20px; }
    
    .hero-slider-nav { bottom: 28px; }
    
    .hero-title { font-size: 2rem; }
    
    .who-we-are { padding: 80px 0 60px; }
    
    #product { padding: 60px 0 80px; }
    
    .who-products-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-contact { flex-direction: column; gap: 16px; }
    
    .wa-float span { display: none; }
    
    .wa-float { padding: 16px; border-radius: 50%; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2.25rem; }
    
    .hero-btns { flex-direction: column; }
    
    .hero-btns a { width: 100%; justify-content: center; }
}