/* ===== APEX FUTURE TECH STYLE v3 - Consolidated ===== */
/* UnityDiesel - Dark Blue Futuristic UI */
/* Only visual style changed - HTML structure preserved */

:root {
    --bg-deep: #084069;
    --bg-primary: #084069;
    --bg-secondary: #073859;
    --bg-card: rgba(255,255,255,0.08);
    --bg-glass: rgba(255,255,255,0.10);
    --blue-core: #1a3a6b;
    --blue-mid: #1e4488;
    --blue-accent: #2a5cbf;
    --blue-glow: #3b7dff;
    --cyan: #5eb8f5;
    --cyan-dim: rgba(91,184,245,0.6);
    --white: #ffffff;
    --text-primary: rgba(255,255,255,0.92);
    --text-secondary: rgba(255,255,255,0.55);
    --text-muted: rgba(255,255,255,0.35);
    --gradient-bg: #084069;
    --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02));
    --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
    --shadow-blue: 0 8px 32px rgba(42,92,191,0.3);
    --blur-glass: blur(20px);
    --blur-light: blur(8px);
    --radius-card: 18px;
    --radius-btn: 50px;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-main);
    background: var(--gradient-bg);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ===== HEADER / NAVBAR ===== */
.header {
    background: rgba(4,9,26,0.8);
    backdrop-filter: var(--blur-glass);
    -webkit-backdrop-filter: var(--blur-glass);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    position: sticky;
    top: 0;
    z-index: 1000;
    text-align: center;
}

.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 68px;
}

.logo { font-size: 1.4rem; font-weight: 800; color: var(--white); letter-spacing: -0.5px; }
.logo span { color: var(--cyan); }

.nav { display: flex; gap: 2rem; align-items: center; }
.nav a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.25s;
    position: relative;
}
.nav a:hover, .nav a.active { color: var(--white); }
.nav a::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--cyan);
    transition: width 0.25s;
}
.nav a:hover::after { width: 100%; }

.lang-btn {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-secondary);
    padding: 0.35rem 0.85rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.82rem;
    font-family: var(--font-main);
    transition: all 0.25s;
}
.lang-btn:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--cyan);
    color: var(--white);
}

/* ===== HERO SECTION - Centered Apple Style ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    text-align: left;
    padding: 60px 5rem;
}

.hero-bg-glow {
    display: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.hero-badge {
    display: inline-block;
    background: rgba(42,92,191,0.18);
    border: 1px solid rgba(91,184,245,0.22);
    color: var(--cyan);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 6px 18px;
    border-radius: 50px;
    margin-bottom: 28px;
}

.hero-title {
    font-size: clamp(40px, 5vw, 72px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -2.5px;
    color: var(--white);
    margin-bottom: 24px;
}
.hero-title span {
    background: linear-gradient(135deg, var(--cyan), #7ec8f5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 520px;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: flex-start;
    margin-bottom: 44px;
}

.btn-primary {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--white);
    padding: 14px 30px;
    border-radius: var(--radius-btn);
    font-weight: 700;
    font-size: 0.95rem;
    border: 1px solid rgba(255,255,255,0.25);
    cursor: pointer;
    font-family: var(--font-main);
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255,255,255,0.15);
}

.btn-secondary {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--text-primary);
    padding: 14px 30px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid rgba(255,255,255,0.25);
    cursor: pointer;
    font-family: var(--font-main);
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(91,184,245,0.4);
    transform: translateY(-2px);
}

.hero-search form {
    display: flex;
    gap: 0;
    max-width: 440px;
    width: 100%;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 50px;
    overflow: hidden;
    transition: border-color 0.25s;
}
.hero-search form:focus-within { border-color: var(--cyan); }
.hero-search input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--white);
    padding: 14px 22px;
    font-size: 0.9rem;
    font-family: var(--font-main);
    outline: none;
    text-align: center;
}
.hero-search input::placeholder { color: var(--text-muted); }
.hero-search button {
    background: #ffffff;
    color: #106CB1;
    border: none;
    padding: 12px 24px;
    font-weight: 600;
    font-size: 0.88rem;
    font-family: var(--font-main);
    cursor: pointer;
    transition: all 0.25s;
    border-radius: 50px;
    margin: 4px;
}
.hero-search button:hover { background: var(--blue-glow); }

/* ===== SECTIONS ===== */
.section { padding: 100px 2rem; }
.section-title { text-align: center; margin-bottom: 56px; }
.section-title h2 {
    font-size: clamp(28px, 3.5vw, 44px);
    font-weight: 800;
    color: var(--white);
    letter-spacing: -1.5px;
    margin-bottom: 10px;
}
.section-title p { color: var(--text-secondary); font-size: 1rem; }

/* ===== CATEGORY CARDS ===== */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.cat-card {
    background: var(--gradient-card);
    backdrop-filter: var(--blur-glass);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: var(--radius-card);
    padding: 28px 20px;
    text-align: center;
    transition: all 0.35s;
    cursor: pointer;
    display: block;
    position: relative;
    overflow: hidden;
}
.cat-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(42,92,191,0.15), transparent);
    opacity: 0;
    transition: opacity 0.35s;
}
.cat-card:hover {
    transform: translateY(-6px);
    border-color: rgba(91,184,245,0.3);
    box-shadow: var(--shadow-blue);
}
.cat-card:hover::before { opacity: 1; }
.cat-card .icon { font-size: 2.4rem; margin-bottom: 14px; display: block; }
.cat-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--white); margin-bottom: 6px; }
.cat-card p { font-size: 0.82rem; color: var(--text-secondary); }

/* ===== PRODUCTS GRID ===== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}

.product-card {
    background: var(--gradient-card);
    backdrop-filter: var(--blur-glass);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: all 0.35s;
    display: block;
    color: inherit;
}
.product-card:hover {
    transform: translateY(-4px);
    border-color: rgba(91,184,245,0.3);
    box-shadow: var(--shadow-blue);
}
.product-card img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    display: block;
    background: rgba(255,255,255,0.05);
}
.product-body { padding: 22px; }
.product-brand {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: 8px;
}
.product-name { font-size: 0.92rem; font-weight: 600; color: var(--text-primary); margin-bottom: 8px; line-height: 1.35; }
.product-oe { font-size: 0.78rem; color: var(--text-secondary); margin-bottom: 8px; }
.product-info { font-size: 0.75rem; color: var(--text-muted); }
.product-info span { display: block; }

.product-img {
    width: 100%;
    aspect-ratio: 4/3;
    background: rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    padding: 0;
}

/* ===== FILTER BAR ===== */
.filters-bar {
    background: rgba(255,255,255,0.04);
    backdrop-filter: var(--blur-light);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: var(--radius-card);
    padding: 20px 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: flex-end;
    margin-bottom: 28px;
}
.filter-group { display: flex; flex-direction: column; gap: 5px; min-width: 150px; }
.filter-group label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}
.filter-group select,
.filter-group input,
.filters-bar .btn-primary,
.filters-bar .btn-outline {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    color: var(--text-primary);
    padding: 9px 14px; height: 38px; line-height: 1;;
    font-size: 0.88rem;
    font-family: var(--font-main);
    outline: none;
    transition: border-color 0.25s;
    -webkit-appearance: none;
    appearance: none;
}
.filter-group select option { background: #091433; color: var(--white); }
.filter-group select:focus,
.filter-group input:focus { border-color: var(--cyan); }

.search-bar {
    display: flex;
    gap: 10px;
    flex: 1;
    min-width: 200px;
}
.search-bar input {
    flex: 1;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    color: var(--text-primary);
    padding: 9px 16px;
    font-size: 0.88rem;
    font-family: var(--font-main);
    outline: none;
    transition: border-color 0.25s;
}
.search-bar input::placeholder { color: var(--text-muted); }
.search-bar input:focus { border-color: var(--cyan); }
.search-bar button {
    background: var(--blue-accent);
    color: var(--white);
    border: none;
    border-radius: 10px;
    padding: 9px 20px;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-main);
    transition: background 0.25s;
    white-space: nowrap;
}
.search-bar button:hover { background: var(--blue-glow); }

.filter-tag {
    background: rgba(42,92,191,0.2);
    border: 1px solid rgba(91,184,245,0.3);
    color: var(--cyan);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 6px;
}
.filter-tag a { color: var(--cyan); font-weight: 700; opacity: 0.6; transition: opacity 0.2s; }
.filter-tag a:hover { opacity: 1; }

/* ===== PAGE HEADER ===== */
.page-header {
    background: rgba(4,9,26,0.6);
    backdrop-filter: var(--blur-glass);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: 72px 0 56px;
    text-align: center;
}
.page-header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 3rem;
}
.breadcrumb { color: var(--text-muted); font-size: 0.82rem; margin-bottom: 14px; padding: 0 0 1rem 0; }
.breadcrumb a { color: var(--cyan); transition: opacity 0.2s; }
.breadcrumb a:hover { opacity: 0.75; }
.page-header h1 {
    font-size: clamp(32px, 4.5vw, 58px);
    font-weight: 800;
    letter-spacing: -2px;
    color: var(--white);
}
.page-header p { font-size: 1.05rem; color: var(--text-secondary); }

/* ===== PRODUCT DETAIL PAGE ===== */
.product-detail {
    padding: 40px 2rem !important;
    max-width: 1400px !important;
    margin: 0 auto !important;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.product-gallery img {
    width: 100%;
    height: auto;
    display: block;
}

.product-desc-box {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-top: none;
    padding: 20px 24px;
    text-align: center;
}

.product-desc-box h4 {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: 10px;
}

.product-desc-box p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.8;
}

.product-info-panel {
    padding: 8px 0 !important;
}

.product-info-panel h1 {
    font-size: clamp(20px, 2.2vw, 28px) !important;
    font-weight: 800;
    color: var(--white);
    line-height: 1.2 !important;
    letter-spacing: -0.3px;
    margin-bottom: 14px;
}

.oe-badge {
    display: inline-block;
    background: rgba(42,92,191,0.2);
    border: 1px solid rgba(91,184,245,0.25);
    color: var(--cyan);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    padding: 5px 14px;
    border-radius: 8px;
    margin-bottom: 14px;
}

.product-brand {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Specs Table */
.spec-table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}
.spec-table th {
    background: rgba(42,92,191,0.12);
    color: var(--cyan);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 10px 14px;
    text-align: left;
    width: 40%;
}
.spec-table td {
    padding: 10px 14px;
    font-size: 0.85rem;
    color: var(--text-primary);
    border-bottom: 1px solid rgba(255,255,255,0.04);
}
.spec-table tr:last-child td { border-bottom: none; }

.product-info-panel h4 {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin: 18px 0 10px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
    padding-bottom: 8px;
}

.product-info-panel pre {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: 10px;
    padding: 14px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Inquiry Form */
.inquiry-form {
    background: linear-gradient(135deg, rgba(42,92,191,0.12), rgba(26,58,107,0.08));
    border: 1px solid rgba(91,184,245,0.15);
    border-radius: var(--radius-card);
    padding: 24px;
    margin-top: 24px;
}
.inquiry-form h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 6px;
}
.inquiry-form p { color: var(--text-secondary); font-size: 0.82rem; margin-bottom: 14px; }
.inquiry-form input,
.inquiry-form textarea {
    width: 100%;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    color: var(--text-primary);
    padding: 11px 14px;
    font-size: 0.88rem;
    font-family: var(--font-main);
    outline: none;
    transition: border-color 0.25s;
    margin-bottom: 10px;
    -webkit-appearance: none;
    appearance: none;
}
.inquiry-form input::placeholder,
.inquiry-form textarea::placeholder { color: var(--text-muted); }
.inquiry-form input:focus,
.inquiry-form textarea:focus { border-color: var(--cyan); }
.inquiry-form textarea { resize: vertical; min-height: 80px; }
.inquiry-form button {
    width: 100%;
    background: var(--blue-accent);
    color: var(--white);
    border: none;
    border-radius: 50px;
    padding: 13px;
    font-weight: 700;
    font-size: 0.92rem;
    font-family: var(--font-main);
    cursor: pointer;
    transition: all 0.25s;
    margin-top: 4px;
}
.inquiry-form button:hover { background: var(--blue-glow); transform: translateY(-2px); }

.btn-outline {
    display: inline-block;
    background: transparent;
    color: var(--cyan);
    border: 1px solid rgba(91,184,245,0.3);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    font-family: var(--font-main);
    cursor: pointer;
    transition: all 0.25s;
    text-decoration: none;
}
.btn-outline:hover {
    background: rgba(91,184,245,0.1);
    border-color: var(--cyan);
    transform: translateY(-2px);
}

/* ===== INQUIRY CTA ===== */
.inquiry-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 3rem;
}
.inquiry-cta h2 {
    font-size: clamp(26px, 3.5vw, 44px);
    font-weight: 800;
    color: var(--white);
    letter-spacing: -1.5px;
    margin-bottom: 14px;
}
.inquiry-cta p {
    color: var(--text-secondary);
    font-size: 1.02rem;
    margin-bottom: 32px;
}

/* ===== ABOUT PAGE ===== */
.about-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 80px 3rem;
    text-align: center;
}
.about-section h1 {
    font-size: clamp(32px, 4.5vw, 56px);
    font-weight: 900;
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: -2px;
}
.about-section p {
    color: var(--text-secondary);
    line-height: 1.85;
    font-size: 1.02rem;
    margin-bottom: 16px;
}

/* ===== CONTACT PAGE ===== */
.contact-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 80px 3rem;
    text-align: center;
}
.contact-section h1 {
    font-size: clamp(32px, 4.5vw, 56px);
    font-weight: 900;
    color: var(--white);
    margin-bottom: 32px;
}
.contact-form {
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-card);
    padding: 36px;
    text-align: left;
}
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    color: var(--text-primary);
    padding: 14px 18px;
    font-size: 0.95rem;
    font-family: var(--font-main);
    outline: none;
    transition: border-color 0.25s;
    -webkit-appearance: none;
    appearance: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--cyan); }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-group select option { background: #091433; }

/* ===== FOOTER ===== */
.footer {
    background: rgba(3,7,16,0.9);
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 56px 0 28px;
    margin-top: 80px;
}
.footer-grid {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 3rem;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 36px;
}
.footer-grid h4 { color: var(--white); font-size: 0.88rem; font-weight: 700; margin-bottom: 14px; }
.footer-grid p,
.footer-grid a { color: var(--text-muted); font-size: 0.85rem; line-height: 2; display: block; transition: color 0.2s; }
.footer-grid a:hover { color: var(--cyan); }
.footer-bottom {
    max-width: 1280px;
    margin: 0 auto;
    padding: 20px 3rem 0;
    border-top: 1px solid rgba(255,255,255,0.04);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ===== LANGUAGE TOGGLE ===== */
.lang-toggle { display: flex; align-items: center; gap: 4px; }
.lang-toggle a {
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 500;
    padding: 3px 8px;
    border-radius: 6px;
    transition: all 0.2s;
}
.lang-toggle a.active,
.lang-toggle a:hover { color: var(--white); background: rgba(255,255,255,0.08); }

/* ===== UTILITIES ===== */
.container { max-width: 1280px; margin: 0 auto; padding: 0 2.5rem; }
.text-center { text-align: center; }
.empty-state { text-align: center; padding: 80px 40px; color: var(--text-muted); }
.empty-state .icon { font-size: 3.5rem; margin-bottom: 14px; opacity: 0.4; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .categories-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .product-detail-grid { grid-template-columns: 1fr; gap: 32px; }
    .product-gallery img { aspect-ratio: 4/3; }
}

@media (max-width: 768px) {
    .categories-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .section { padding: 60px 1.5rem; }
    .footer { padding: 40px 0 20px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .nav { gap: 1rem; }
    .header-inner { padding: 0 1rem; }
    .products-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
    .about-section, .contact-section { padding: 60px 1.5rem; }
    .product-detail { padding: 40px 1.5rem !important; }
}

/* ===== UNIFIED FILTER BUTTONS ===== */
.filters-bar .btn-primary,
.filters-bar .btn-outline,
.filter-tag {
    display: inline-flex !important;
    align-items: center !important;
    padding: 8px 16px !important;
    border-radius: 50px !important;
    font-size: 0.82rem !important;
    font-weight: 600 !important;
    font-family: var(--font-main) !important;
    transition: all 0.25s !important;
    cursor: pointer !important;
    white-space: nowrap !important;
}

.filters-bar .btn-primary {
    background: var(--blue-accent) !important;
    color: var(--white) !important;
    border: none !important;
}

.filters-bar .btn-primary:hover {
    background: var(--blue-glow) !important;
    transform: translateY(-1px) !important;
}

.filters-bar .btn-outline {
    background: rgba(255,255,255,0.06) !important;
    color: var(--text-secondary) !important;
    border: 1px solid rgba(255,255,255,0.12) !important;
    
}

.filters-bar .btn-outline:hover {
    background: rgba(255,255,255,0.1) !important;
    color: var(--white) !important;
    border-color: rgba(91,184,245,0.4) !important;
}

.filter-tag {
    background: rgba(42,92,191,0.15) !important;
    border: 1px solid rgba(91,184,245,0.25) !important;
    color: var(--cyan) !important;
    margin-right: 8px !important;
}

.filter-tag a {
    color: var(--cyan) !important;
    margin-left: 6px !important;
    font-weight: 700 !important;
    opacity: 0.7 !important;
    transition: opacity 0.2s !important;
}

.filter-tag a:hover {
    opacity: 1 !important;
}

.active-filters {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
    align-items: center !important;
    margin-bottom: 20px !important;
}

/* ===== FILTER ACTIONS - aligned buttons ===== */
.filter-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ===== FILTER BAR - align buttons with inputs ===== */
.filters-bar {
    align-items: flex-end !important;
}

/* ===== NOZZLE TABS - inside filter bar card ===== */
.nozzle-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    padding: 16px 20px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.07);
    border-radius: 14px;
    align-items: center;
}

.nozzle-tabs .btn {
    display: inline-flex !important;
    align-items: center;
    padding: 8px 16px !important;
    border-radius: 50px !important;
    font-size: 0.82rem !important;
    font-weight: 600 !important;
    font-family: var(--font-main) !important;
    transition: all 0.25s !important;
    cursor: pointer !important;
    white-space: nowrap !important;
}

/* ===== MECHANICAL BACKGROUND (static image) ===== */
.mech-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
    background-image: url("/static/images/bg-homepage.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Hero content above bg */
.hero-content {
    position: relative;
    z-index: 1;
}

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