/* ============================================================
   Nashat International — Home Page Styles
   Hero section, ecosystem visualization, subsidiary cards
   ============================================================ */

/* ── Hero Section ──────────────────────────────────────────── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: flex-end;
    padding: calc(var(--space-24) + 60px) var(--space-6) 60px;
    overflow: hidden;
    background-color: #f7f9fa; /* light backdrop */
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    background-image: url('../uploads/banner-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Subtle overlay to ensure text remains readable */
.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.hero-container {
    position: relative;
    z-index: 10;
    width: 100%;
}

.hero-content {
    max-width: 900px;
    text-align: left;
}

.hero-label {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: #444; /* Darker instead of gold for modern look */
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.05);
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: var(--text-7xl); /* Very large text */
    font-weight: var(--weight-bold);
    line-height: 1.05;
    color: #1a1a1a;
    margin-bottom: var(--space-8);
    letter-spacing: -0.03em;
}

.hero-title .highlight {
    color: #333; /* Removing gold highlight for solid black/dark look */
    position: relative;
}

.hero-bottom-row {
    display: flex;
    gap: var(--space-12);
    margin-top: 0;
    padding-top: var(--space-4);
    max-width: 800px;
}

.hero-bottom-col {
    flex: 1;
}

.hero-description {
    font-size: var(--text-sm);
    color: #666;
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

.hero-text-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    color: #1a1a1a;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.hero-text-link svg {
    width: 18px;
    height: 18px;
    transition: transform 0.2s ease;
}

.hero-text-link:hover {
    color: var(--gold); /* Subtle hover effect */
}

.hero-text-link:hover svg {
    transform: translateX(4px);
}

/* ── Ecosystem Section ─────────────────────────────────────── */
.ecosystem {
    padding: var(--space-24) 0;
    position: relative;
}

.ecosystem-tree {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    padding-bottom: 40px;
}

.ecosystem-parent {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: var(--space-6) var(--space-10);
    border-radius: var(--radius-2xl);
    text-align: center;
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(182, 149, 66, 0.2);
    margin-bottom: 80px;
}

.ecosystem-parent-name {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-wide);
    margin-bottom: var(--space-1);
}

.ecosystem-parent-tag {
    font-size: var(--text-xs);
    color: var(--gold);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
}



/* Children grid */
.ecosystem-children {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-6);
    width: 100%;
}

.ecosystem-child {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--gold-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    text-align: center;
    transition: box-shadow var(--transition-base), border-color var(--transition-base);
    cursor: default;
    position: relative;
    overflow: hidden;
    flex: 1 1 200px;
    max-width: 250px;
}

.ecosystem-child::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.ecosystem-child:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
    border-color: var(--gold-border-hover);
}

.ecosystem-child:hover::before {
    opacity: 1;
}

.ecosystem-child-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin: 0 auto var(--space-4);
    position: relative;
}

.ecosystem-child-dot::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1px solid currentColor;
    opacity: 0.2;
}

.ecosystem-child-name {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.ecosystem-child-tagline {
    font-size: var(--text-sm);
    color: var(--text-muted);
}

/* ── Subsidiaries Section ──────────────────────────────────── */
.subsidiaries {
    padding: var(--space-24) 0;
}

.subsidiary-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
    margin-bottom: var(--space-20);
    position: relative;
}

.subsidiary-card:nth-child(even) {
    direction: rtl;
}

.subsidiary-card:nth-child(even) > * {
    direction: ltr;
}

.subsidiary-content {
    padding: var(--space-4) 0;
}

.subsidiary-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    margin-bottom: var(--space-6);
}

.subsidiary-name {
    font-size: var(--text-3xl);
    font-weight: var(--weight-bold);
    margin-bottom: var(--space-4);
}

.subsidiary-description {
    font-size: var(--text-base);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

.subsidiary-services {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.subsidiary-service {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    color: var(--text-secondary);
    background: var(--bg-primary);
    border-radius: var(--radius-full);
    border: 1px solid var(--gold-border);
}

.subsidiary-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--gold);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.subsidiary-link:hover {
    gap: var(--space-3);
    color: var(--gold-dark);
}

.subsidiary-link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.subsidiary-link:hover svg {
    transform: translateX(4px);
}

/* Subsidiary visual card */
.subsidiary-visual {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--gold-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    position: relative;
    overflow: hidden;
}

.subsidiary-visual-name {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    font-weight: var(--weight-bold);
    opacity: 0.08;
    position: absolute;
    white-space: nowrap;
    user-select: none;
}

.subsidiary-visual-icon {
    position: relative;
    z-index: 1;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-4xl);
    border-radius: var(--radius-2xl);
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .hero-title {
        font-size: var(--text-5xl);
    }

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

    .subsidiary-card {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .subsidiary-card:nth-child(even) {
        direction: ltr;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: calc(var(--navbar-height) + var(--space-16)) var(--space-5) var(--space-16);
    }

    .hero-title {
        font-size: var(--text-4xl);
    }

    .hero-description {
        font-size: var(--text-base);
    }

    .hero-bottom-row {
        flex-direction: column;
        gap: var(--space-6);
        border-top: none;
        padding-top: var(--space-4);
    }

    .hero-scroll-hint {
        display: none;
    }

    .ecosystem-children {
        grid-template-columns: 1fr;
    }

    .ecosystem-parent {
        padding: var(--space-5) var(--space-6);
    }

    .subsidiary-visual {
        min-height: 200px;
    }
}

@keyframes drawLine {
    to { stroke-dashoffset: 0; }
}