/* --- PREMIUM & MODERN LIGHT THEME V3 --- */
:root {
    --primary-color: #1e3a8a; 
    --secondary-color: #3b82f6;
    --heading-color: #1e293b;
    --text-color: #475569;
    --light-bg: #f8fafc;
    --white-color: #ffffff;
    --border-color: #e2e8f0;
    --box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --transition-speed: 0.3s;
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-secondary);
    background-color: var(--white-color);
    color: var(--text-color);
    line-height: 1.7;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
h1, h2, h3, h4 { font-family: var(--font-primary); color: var(--heading-color); font-weight: 700; }
h1 { font-size: clamp(32px, 4vw, 44px); color: var(--primary-color); line-height: 1.2; }
h2 { font-size: clamp(32px, 5vw, 40px); margin-bottom: 2rem; text-align: center; }
h3 { font-size: 1.5rem; margin-bottom: 1rem; }
section { padding: 6rem 0; overflow: hidden; }
section:nth-of-type(even) { background-color: var(--light-bg); }

/* --- BUTTONS --- */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    background-color: var(--primary-color);
    color: var(--white-color) !important;
    padding: 1rem 1.75rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-family: var(--font-primary);
    transition: all var(--transition-speed) ease;
    border: 1px solid var(--primary-color);
}
.btn:hover { background-color: var(--secondary-color); border-color: var(--secondary-color); transform: translateY(-3px); }

/* --- HEADER & NAVIGATION --- */
.header {
    position: sticky; top: 0; z-index: 1000;
    padding: 1rem 0;
    background-color: var(--white-color);
    box-shadow: var(--box-shadow);
    transition: all var(--transition-speed) ease;
}
.header-container { display: flex; justify-content: space-between; align-items: center; }
.logo-image { max-height: 55px; width: auto; transform: translateY(2px); }
.nav-links { list-style: none; display: flex; align-items: center; gap: 2.5rem; }
.nav-link { text-decoration: none; color: var(--heading-color); font-weight: 500; position: relative; padding-bottom: 5px; }
.btn.nav-link { padding: 1rem 1.75rem; }
.nav-link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background-color: var(--primary-color); transition: width var(--transition-speed) ease; }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.logo-link.nav-link::after, .btn.nav-link::after { display: none !important; }
.mobile-menu-toggle { display: none; background: none; border: none; cursor: pointer; color: var(--primary-color); }

/* --- ADVANCED ANIMATIONS --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.645, 0.045, 0.355, 1), transform 0.8s cubic-bezier(0.645, 0.045, 0.355, 1);
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- HERO SECTION (DESKTOP) --- */
.hero {
    min-height: calc(100vh - 90px);
    display: flex;
    align-items: center;
    background-color: var(--light-bg);
    padding: 2rem 0;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: center;
}
.hero-text .tagline { color: var(--secondary-color); font-family: var(--font-primary); margin-bottom: 1rem; font-size: 1.1rem; font-weight: 600; }
.hero-text h1 { margin-bottom: 1.5rem; }
.hero-text .subtitle { font-size: 1.1rem; color: var(--text-color); max-width: 500px; margin-bottom: 2.5rem; }
.hero-videos { display: flex; flex-direction: column; gap: 1.5rem; }
.video-wrapper { margin-bottom: 1.5rem; }
.video-label { text-align: center; margin-bottom: 0.5rem; }
.video-label h3 { font-size: 1.2rem; color: var(--primary-color); margin-bottom: 0.25rem; }
.video-label p { font-size: 0.9rem; color: var(--text-color); }
.video-container { position: relative; padding-top: 56.25%; height: 0; overflow: hidden; border-radius: 8px; box-shadow: var(--box-shadow); }
.video-container iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; }

/* --- CARDS & GRIDS --- */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.card {
    background-color: var(--white-color); padding: 2.5rem 2rem;
    border-radius: 8px; box-shadow: var(--box-shadow);
    transition: all var(--transition-speed) ease;
    display: flex; flex-direction: column; text-align: center;
}
.card:hover { transform: translateY(-7px); }
.card .card-icon { color: var(--primary-color); margin-bottom: 1.5rem; }
.card .card-icon i { width: 40px; height: 40px; }
.card h3 { color: var(--heading-color); }

/* --- BRANDS PAGE --- */
.brands-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
.brand-card {
    background-color: var(--white-color);
    border-radius: 8px; box-shadow: var(--box-shadow);
    padding: 2rem; text-align: center;
    transition: all var(--transition-speed) ease;
    border: 1px solid var(--border-color);
}
.brand-card:hover { transform: translateY(-10px); box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1); }
.brand-logo { height: 80px; margin-bottom: 1.5rem; }
.brand-logo img { max-height: 100%; max-width: 100%; object-fit: contain; }
.brand-card h3 { font-size: 1.25rem; color: var(--heading-color); }

/* --- ABOUT & SUSTAINABILITY PAGES --- */
.content-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.content-image img { width: 100%; border-radius: 8px; box-shadow: var(--box-shadow); }
.content-text .list { margin-top: 1.5rem; }
.content-text .list-item { display: flex; gap: 1rem; margin-bottom: 1.5rem; }
.content-text .list-item i { color: var(--secondary-color); flex-shrink: 0; margin-top: 5px; }
.content-text .list-item-title { font-weight: 700; color: var(--heading-color); }
.content-text .list-item-description { color: var(--text-color); }

/* --- NEWSROOM PAGE --- */
.articles-section { padding-bottom: 4rem; }
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 400px));
    gap: 2rem;
    justify-content: center;
}
.article-card {
    background-color: var(--white-color);
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: all var(--transition-speed) ease;
}
.article-card:hover { transform: translateY(-5px); }
.article-image img { width: 100%; display: block; }
.article-content { padding: 1.5rem; }
.article-tag {
    display: inline-block;
    background-color: var(--light-bg);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 99px;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}
.article-content h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
.article-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 700;
    margin-top: 1rem;
}
.article-link i { transition: transform var(--transition-speed) ease; }
.article-link:hover i { transform: translateX(5px); }

.subscription-section {
    border-top: 1px solid var(--border-color);
    padding-top: 4rem;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}
.newsletter-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 80px; height: 80px;
    background-color: var(--light-bg);
    color: var(--primary-color);
    border-radius: 50%;
    margin-bottom: 2rem;
}
.newsletter-icon i { width: 40px; height: 40px; }
.newsletter-form {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    max-width: 500px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}
.newsletter-form .form-control { flex-grow: 1; }

/* --- CONTACT PAGE --- */
.section-subtitle { text-align: center; max-width: 600px; margin: -1rem auto 3rem auto; color: var(--text-color); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 3rem; margin-top: 2rem; }
.contact-info h3, .contact-form-wrapper h3 { margin-bottom: 2rem; }
.contact-info-item { display: flex; align-items: flex-start; gap: 1.5rem; margin-bottom: 2rem; }
.contact-info-item i { color: var(--primary-color); flex-shrink: 0; margin-top: 5px; }
.contact-info-item h4 { color: var(--heading-color); margin-bottom: 0.25rem; font-size: 1rem; }
.contact-info-item p { margin: 0; color: var(--text-color); }
.contact-info-item a { color: var(--primary-color); text-decoration: none; transition: color var(--transition-speed) ease; font-weight: 500; }
.contact-info-item a:hover { text-decoration: underline; }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; color: var(--heading-color); font-weight: 500; }
.form-control { width: 100%; padding: 1rem; background-color: var(--light-bg); border: 1px solid var(--border-color); border-radius: 8px; color: var(--text-color); font-family: var(--font-secondary); transition: border-color var(--transition-speed) ease; }
.form-control:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2); }
#form-status { margin-top: 1.5rem; font-weight: 500; text-align: center; }

/* --- WHATSAPP IMAGE BUTTONS --- */
.whatsapp-image-link {
    display: inline-block;
    transition: transform 0.3s ease, opacity 0.3s ease;
    margin-top: 1rem;
}
.whatsapp-image-link:hover {
    transform: scale(1.03);
    opacity: 0.9;
}
.whatsapp-button-image {
    max-width: 100%;
    width: 280px;
    height: auto;
    display: block;
}
.whatsapp-button-image-footer {
    max-width: 100%;
    width: 200px;
    height: auto;
    display: block;
    margin-top: 1rem;
}

/* --- FOOTER --- */
.footer { background-color: var(--heading-color); color: rgba(255, 255, 255, 0.8); padding: 4rem 0 2rem 0; }
.footer-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; text-align: left; }
.footer-title { color: var(--white-color); margin-bottom: 1rem; }
.footer-links ul { list-style: none; }
.footer-links a, .footer-contact a { color: rgba(255, 255, 255, 0.8); text-decoration: none; display: inline-block; margin-bottom: 0.5rem; transition: color var(--transition-speed) ease; }
.footer-links a:hover, .footer-contact a:hover { color: var(--white-color); }
.footer-contact p { display: flex; align-items: start; gap: 1rem; margin-bottom: 1rem; }
.footer-contact-link { text-decoration: none; }
.footer-icon { margin-top: 4px; color: var(--secondary-color); flex-shrink: 0; }
.footer-bottom { border-top: 1px solid #334155; padding-top: 2rem; margin-top: 2rem; text-align: center; font-size: 0.9rem; color: rgba(255, 255, 255, 0.6); }

/* --- RESPONSIVE DESIGN --- */
@media (max-width: 992px) {
    .content-grid, .contact-grid, .hero-grid { grid-template-columns: 1fr; }
    .hero { text-align: center; min-height: auto; padding: 4rem 0; }
    .hero-text .subtitle { margin-left: auto; margin-right: auto; }
    .hero-videos { margin-top: 3rem; }
}
@media (max-width: 768px) {
    section { padding: 4rem 1rem; }
    h1 { font-size: 2rem; }
    .logo-image { max-height: 45px; }
    .nav-menu { position: fixed; top: 0; right: -100%; width: min(75vw, 400px); height: 100vh; background: var(--white-color); box-shadow: var(--box-shadow); transition: right 0.5s cubic-bezier(0.645, 0.045, 0.355, 1); display: flex; flex-direction: column; justify-content: center; align-items: center; }
    .nav-menu.active { right: 0; }
    .nav-links { flex-direction: column; text-align: center; gap: 2rem; }
    .nav-link { font-size: 1.2rem; }
    .mobile-menu-toggle { display: block; z-index: 1001; }
    .footer-container { text-align: center; }
    .footer-contact p, .footer-links ul, .footer-contact-link { justify-content: center; }
    
    .hero { padding: 0; }
    .hero-grid { display: flex; flex-direction: column; padding: 3rem 1rem; }
    .hero-videos { order: 1; width: 100%; margin-top: 0; }
    .hero-text { order: 2; margin-top: 2rem; }
    .content-grid { gap: 2rem; }
    .content-image { order: -1; margin-bottom: 1rem; }
    .newsletter-form { flex-direction: column; }
}