/* ==========================================================================
   Twa ABA Di Commodities — base site styles
   ========================================================================== */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-base);
    font-weight: var(--fw-regular);
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--fw-semibold);
    color: var(--color-text);
    line-height: 1.25;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

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

.container {
    max-width: var(--container-max);
}

.section {
    padding: var(--space-2xl) 0;
}

.section-eyebrow {
    display: inline-block;
    font-weight: var(--fw-semibold);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-golden);
    margin-bottom: var(--space-xs);
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    margin-bottom: var(--space-sm);
}

.section-text {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    max-width: 60ch;
}

/* ---- Buttons ------------------------------------------------------ */

.btn {
    border-radius: var(--radius-sm);
    font-weight: var(--fw-medium);
    padding: 0.65rem 1.5rem;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), color var(--transition-fast);
}

.btn-lg {
    padding: 0.85rem 2rem;
    font-size: 1rem;
}

.btn-brand-primary {
    background-color: var(--color-primary);
    border: 1px solid var(--color-primary);
    color: var(--color-white);
}

.btn-brand-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-brand-outline {
    background-color: transparent;
    border: 1px solid var(--color-white);
    color: var(--color-white);
}

.btn-brand-outline:hover {
    background-color: var(--color-white);
    color: var(--color-primary-dark);
    transform: translateY(-2px);
}

.btn-brand-gold {
    background-color: var(--color-golden);
    border: 1px solid var(--color-golden);
    color: var(--color-white);
}

.btn-brand-gold:hover {
    background-color: #b8890f;
    border-color: #b8890f;
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ---- Header / Navigation ------------------------------------------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background-color: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(6px);
    box-shadow: var(--shadow-sm);
}

.site-navbar {
    padding: 0.85rem 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-weight: var(--fw-bold);
    color: var(--color-primary);
}

.navbar-brand img {
    border-radius: var(--radius-sm);
}

.brand-text {
    font-size: 1.15rem;
    line-height: 1.1;
}

.navbar-nav .nav-link {
    color: var(--color-text);
    font-weight: var(--fw-medium);
    padding: 0.5rem 1rem;
    position: relative;
}

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

.navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    left: 1rem;
    right: 1rem;
    bottom: 0.15rem;
    height: 2px;
    background-color: var(--color-golden);
    border-radius: 2px;
}

/* ---- Hero ------------------------------------------------------------ */

.hero-section {
    position: relative;
    padding: var(--space-2xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 80% 20%, rgba(212, 160, 23, 0.25), transparent 55%);
    pointer-events: none;
}

.hero-content {
    max-width: 720px;
    position: relative;
    z-index: 1;
}

.hero-content .eyebrow {
    display: inline-block;
    font-weight: var(--fw-semibold);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-golden);
    margin-bottom: var(--space-sm);
}

.hero-title {
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: var(--fw-extrabold);
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-white);
    opacity: 0.92;
    margin-bottom: var(--space-lg);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

/* ---- Stats ------------------------------------------------------------ */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.stat-card {
    background-color: var(--color-cream);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: var(--fw-extrabold);
    color: var(--color-primary);
}

.stat-label {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ---- CTA box ----------------------------------------------------------- */

.section-cta {
    padding-top: 0;
}

.cta-box {
    background: linear-gradient(135deg, var(--color-brown) 0%, #6d534a 100%);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.cta-box h2 {
    color: var(--color-white);
    margin-bottom: var(--space-xs);
}

.cta-box p {
    opacity: 0.9;
    margin-bottom: var(--space-md);
}

/* ---- Breadcrumbs ------------------------------------------------------- */

.breadcrumb-nav {
    background-color: var(--color-cream);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.breadcrumb {
    margin-bottom: 0;
    font-size: 0.9rem;
}

.breadcrumb-item.active {
    color: var(--color-text-muted);
}

/* ---- Contact page -------------------------------------------------------- */

.contact-info-list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-md);
}

.contact-info-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.contact-info-list li i {
    color: var(--color-primary);
    font-size: 1.25rem;
    margin-top: 0.2rem;
    width: 1.5rem;
}

.contact-info-list strong {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
}

.map-embed {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.map-embed iframe {
    width: 100%;
    height: 280px;
    border: 0;
}

.contact-form {
    background-color: var(--color-cream);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
}

.contact-form .form-control {
    border-radius: var(--radius-sm);
    border-color: var(--color-border);
    padding: 0.65rem 0.9rem;
}

.contact-form .form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(46, 125, 50, 0.15);
}

.form-note {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin: var(--space-xs) 0 0;
}

/* ---- Footer ----------------------------------------------------------- */

.site-footer {
    background-color: #24352a;
    color: rgba(255, 255, 255, 0.85);
    padding: var(--space-2xl) 0 var(--space-md);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--color-white);
    font-weight: var(--fw-bold);
    font-size: 1.15rem;
    margin-bottom: var(--space-sm);
}

.footer-brand img {
    border-radius: var(--radius-sm);
}

.footer-text {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.92rem;
}

.footer-heading {
    color: var(--color-white);
    font-weight: var(--fw-semibold);
    margin-bottom: var(--space-sm);
}

.footer-links,
.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 0.6rem;
    font-size: 0.92rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.85);
}

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

.social-links {
    display: flex;
    gap: 0.6rem;
    margin-top: var(--space-sm);
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--color-white);
}

.social-links a:hover {
    background-color: var(--color-golden);
    color: var(--color-white);
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.12);
    margin: var(--space-lg) 0 var(--space-sm);
}

.footer-bottom {
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.55);
}

/* ---- Floating UI: back-to-top, WhatsApp, scroll progress -------------- */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background-color: var(--color-golden);
    z-index: 1100;
    transition: width 0.1s linear;
}

.back-to-top {
    position: fixed;
    right: 1.5rem;
    bottom: 1.5rem;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
    z-index: 1040;
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
}

.whatsapp-float {
    position: fixed;
    left: 1.5rem;
    bottom: 1.5rem;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background-color: #25D366;
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
    z-index: 1040;
    transition: transform var(--transition-fast);
}

.whatsapp-float:hover {
    transform: scale(1.08);
    color: var(--color-white);
}

/* ---- Loading screen ----------------------------------------------------- */

.loading-screen {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background-color: var(--color-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.loading-screen.is-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-logo {
    width: 64px;
    height: 64px;
    animation: pulse 1.4s ease-in-out infinite;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.08); opacity: 0.75; }
}

/* ---- Fade-up scroll animation (JS toggles .is-visible) ------------------ */

[data-aos] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---- Error pages --------------------------------------------------------- */

.error-section {
    padding: var(--space-2xl) 0;
}

.error-code {
    display: block;
    font-size: clamp(4rem, 12vw, 8rem);
    font-weight: var(--fw-extrabold);
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--space-sm);
}

/* ---- Responsive ----------------------------------------------------------- */

@media (max-width: 991.98px) {
    .navbar-collapse {
        background-color: var(--color-white);
        border-radius: var(--radius-md);
        margin-top: var(--space-sm);
        padding: var(--space-sm);
        box-shadow: var(--shadow-sm);
    }
}

@media (max-width: 767.98px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
    }

    .cta-box {
        padding: var(--space-lg);
    }
}