/* ==========================================================================
   Industries Page – Specific Styles
   ========================================================================== */

/* ── Mobile Menu ─────────────────────────────────────────────────── */
.mobile-menu {
    display: none;
    background: var(--white);
    padding: 1rem 2rem;
    box-shadow: var(--shadow-md);
    border-top: 2px solid var(--gray-light);
}

.mobile-menu.open { display: block; }

.mobile-menu ul { list-style: none; padding: 0; margin: 0; }

.mobile-menu ul li { border-bottom: 1px solid var(--gray-light); }

.mobile-menu ul li a {
    display: block;
    padding: 0.8rem 0;
    color: var(--dark);
    font-weight: 600;
    transition: color var(--transition-fast);
}

.mobile-menu ul li a:hover,
.mobile-menu ul li a.active { color: var(--primary); }

/* ── Page Hero ───────────────────────────────────────────────────── */
.page-hero {
    position: relative;
    background: url('../img/steel-pipes-tubes.webp') center center / cover no-repeat;
    min-height: 340px;
    display: flex;
    align-items: center;
    margin-top: 80px;
    overflow: hidden;
}

.page-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(26, 32, 44, 0.75), rgba(13, 16, 22, 0.85));
    z-index: 1;
}

.page-hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
    padding: 4rem 20px;
}

.page-hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    animation: fadeInUp 0.7s ease forwards;
}

.page-hero-content h1 span { color: var(--primary); }

.page-hero-content p {
    font-size: 1.15rem;
    color: var(--gray-light);
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.9s ease forwards;
}

/* Breadcrumb */
.breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.75);
    animation: fadeInUp 1.1s ease forwards;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.75);
    transition: color var(--transition-fast);
}

.breadcrumb a:hover { color: var(--white); }

.breadcrumb i { font-size: 0.65rem; color: var(--primary); }

.breadcrumb span { color: var(--white); font-weight: 600; }

/* ── Intro Section ───────────────────────────────────────────────── */
.ind-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.ind-intro-text p {
    font-size: 1.05rem;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 1.2rem;
}

.ind-intro-icons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.intro-icon-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    padding: 1.2rem 0.5rem;
    background: var(--light);
    border-radius: 10px;
    border: 1px solid var(--gray-light);
    text-align: center;
    transition: all var(--transition-normal);
    cursor: default;
}

.intro-icon-box:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(188, 35, 37, 0.2);
}

.intro-icon-box i {
    font-size: 1.8rem;
    color: var(--primary);
    transition: color var(--transition-fast);
}

.intro-icon-box:hover i { color: var(--white); }

.intro-icon-box span {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: color var(--transition-fast);
}

.intro-icon-box:hover span { color: var(--white); }

/* ── Industry Detail Sections ────────────────────────────────────── */
.ind-detail-section { padding: 5rem 0; }

.ind-detail-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 4rem;
    align-items: start;
}

.ind-detail-grid-reverse {
    grid-template-columns: 1fr 320px;
}

.ind-detail-grid-reverse .ind-detail-icon-col {
    order: 2;
}

.ind-detail-grid-reverse .ind-detail-content {
    order: 1;
}

/* Icon Column */
.ind-detail-icon-col {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: sticky;
    top: 100px;
}

.ind-big-icon {
    width: 100%;
    aspect-ratio: 1;
    max-width: 180px;
    border-radius: 20px;
    background: var(--grad-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 15px 35px rgba(188, 35, 37, 0.3);
    margin: 0 auto;
    transition: transform var(--transition-normal);
}

.ind-big-icon:hover { transform: scale(1.05) rotate(-3deg); }

.ind-big-icon i {
    font-size: 4rem;
    color: var(--white);
}

/* Key Materials Box */
.ind-key-materials {
    background: var(--white);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--primary);
}

.bg-light .ind-key-materials { background: var(--light); }

.ind-key-materials h5 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 1rem;
}

.ind-key-materials ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.ind-key-materials ul li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.9rem;
    color: var(--dark);
    font-weight: 500;
}

.ind-key-materials ul li i {
    font-size: 0.5rem;
    color: var(--primary);
    flex-shrink: 0;
}

/* Content Column */
.ind-label {
    display: inline-block;
    background: linear-gradient(135deg, #fff0f0, #ffe0e0);
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 0.3rem 0.9rem;
    border-radius: 50px;
    margin-bottom: 0.8rem;
    border: 1px solid rgba(188, 35, 37, 0.2);
}

.ind-detail-content h2 {
    font-size: 2.2rem;
    color: var(--dark);
    margin-bottom: 1.2rem;
}

.ind-detail-content p {
    font-size: 1rem;
    color: var(--gray);
    line-height: 1.85;
    margin-bottom: 1.2rem;
}

/* Applications */
.ind-applications { margin-top: 2rem; }

.ind-applications h4 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--dark);
    font-weight: 700;
    margin-bottom: 1rem;
}

.app-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.app-tags span {
    background: var(--light);
    border: 1px solid var(--gray-light);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--dark);
    transition: all var(--transition-fast);
    cursor: default;
}

.app-tags span:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .ind-intro { grid-template-columns: 1fr; gap: 3rem; }
    .ind-intro-icons { grid-template-columns: repeat(4, 1fr); }

    .ind-detail-grid,
    .ind-detail-grid-reverse {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .ind-detail-grid-reverse .ind-detail-icon-col { order: unset; }
    .ind-detail-grid-reverse .ind-detail-content { order: unset; }

    .ind-detail-icon-col {
        flex-direction: row;
        align-items: flex-start;
        position: static;
    }

    .ind-big-icon {
        max-width: 120px;
        flex-shrink: 0;
    }

    .ind-big-icon i { font-size: 3rem; }
}

@media (max-width: 768px) {
    .page-hero-content h1 { font-size: 2.5rem; }

    .ind-intro-icons { grid-template-columns: repeat(4, 1fr); gap: 0.6rem; }

    .intro-icon-box { padding: 0.8rem 0.3rem; }
    .intro-icon-box i { font-size: 1.4rem; }
    .intro-icon-box span { font-size: 0.65rem; }

    .ind-detail-icon-col { flex-direction: column; }

    .ind-detail-content h2 { font-size: 1.8rem; }
}

@media (max-width: 480px) {
    .page-hero-content h1 { font-size: 2rem; }

    .ind-intro-icons { grid-template-columns: repeat(4, 1fr); }

    .intro-icon-box span { display: none; }
}