/* === CSS Reset & Variables === */
:root {
    --primary: #1A0A0A;
    --primary-light: #2D1816;
    --accent: #CF1C1B;
    --accent-light: #E84A44;
    --accent-glow: rgba(207,28,27,0.12);
    --gold: #C8A45C;
    --gold-light: #D4B87A;
    --white: #ffffff;
    --off-white: #F5F4F2;
    --gray-100: #F0EEEC;
    --gray-200: #E1DFDC;
    --gray-300: #C4C1BD;
    --gray-400: #8B8682;
    --gray-500: #5F5A57;
    --gray-600: #3D3936;
    --gray-700: #2A2725;
    --text: #1A1513;
    --text-light: #5F5A57;
    --radius: 12px;
    --radius-lg: 20px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow: 0 4px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    color: var(--primary);
}

h1 { font-size: clamp(2.2rem, 4vw, 3.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; }

a { text-decoration: none; color: inherit; }

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

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--accent);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(207,28,27,0.3);
}

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(207,28,27,0.4);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.5);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--white);
    transform: translateY(-2px);
}

.btn-full { width: 100%; }

/* === Section Headers === */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-glow);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.section-title {
    margin-bottom: 16px;
}

.section-desc {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 640px;
    margin: 0 auto;
}

/* === Navigation === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(26, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.2);
    padding: 10px 0;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.nav-logo img {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.nav-link {
    padding: 8px 16px;
    font-size: 0.88rem;
    font-weight: 500;
    color: rgba(255,255,255,0.8);
    border-radius: 6px;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--white);
    background: rgba(255,255,255,0.08);
}

.nav-link-cta {
    background: var(--accent);
    color: var(--white) !important;
    border-radius: 6px;
    margin-left: 8px;
}

.nav-link-cta:hover {
    background: var(--accent-light);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

/* === Hero === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: var(--primary);
    background-image: url('../images/factory-2.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    overflow: hidden;
}

@media (max-width: 768px) {
    .hero {
        background-attachment: scroll;
    }
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(135deg, rgba(26,10,10,0.92) 0%, rgba(45,24,22,0.85) 35%, rgba(74,30,26,0.80) 65%, rgba(26,10,10,0.92) 100%),
        radial-gradient(ellipse at 70% 50%, rgba(207,28,27,0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 30% 80%, rgba(200,164,92,0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 20%, rgba(232,74,68,0.06) 0%, transparent 40%);
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 120px 24px;
}

.hero-logo {
    height: 80px;
    width: auto;
    margin-bottom: 32px;
}

.hero-tag {
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 24px;
}

.hero-title {
    color: var(--white);
    margin-bottom: 24px;
}

.hero-subtitle {
    color: rgba(255,255,255,0.7);
    font-size: 1.15rem;
    max-width: 680px;
    margin: 0 auto 40px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 24px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius);
    transition: var(--transition);
}

.stat-item:hover {
    background: rgba(207,28,27,0.08);
    border-color: rgba(207,28,27,0.3);
    transform: translateY(-4px);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.1;
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
    margin-top: 6px;
}

/* === About === */
.about {
    padding: 100px 0;
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.about-card {
    background: var(--off-white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 32px;
    transition: var(--transition);
}

.about-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.about-icon {
    width: 48px;
    height: 48px;
    color: var(--accent);
    margin-bottom: 16px;
}

.about-card h3 {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.about-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

.about-badges {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--accent-glow);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
}

/* === About Facility Showcase === */
.facility-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 48px;
}

.facility-img {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 16/10;
    border: 1px solid var(--gray-200);
}

.facility-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.facility-img:hover img {
    transform: scale(1.04);
}

.facility-img .img-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 24px;
    background: linear-gradient(transparent, rgba(26,10,10,0.85));
    color: var(--white);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}

/* === Services === */
.services {
    padding: 100px 0;
    background: var(--primary);
    color: var(--white);
}

.services .section-title,
.services .section-desc { color: var(--white); }
.services .section-desc { color: rgba(255,255,255,0.65); }

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius);
    padding: 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
    border-color: rgba(207,28,27,0.3);
}

.service-card:hover::before { opacity: 1; }

.service-num {
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(255,255,255,0.06);
    position: absolute;
    top: 12px;
    right: 20px;
    line-height: 1;
}

.service-card h3 {
    font-size: 1.15rem;
    color: var(--white);
    margin-bottom: 10px;
}

.service-card p {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.6;
}

.service-card strong {
    color: var(--gold);
}

/* === Materials === */
.materials {
    padding: 100px 0;
    background: var(--white);
}

.materials-showcase {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.materials-tech {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-lg);
    padding: 48px;
    color: var(--white);
}

.materials-tech h3 {
    color: var(--white);
    margin-bottom: 32px;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.spec-item {
    text-align: center;
    padding: 16px;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255,255,255,0.08);
}

.spec-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 6px;
}

.spec-name {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.6);
}

.materials-table-wrap h3 {
    margin-bottom: 24px;
}

.materials-grid-2col {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.material-group {
    background: var(--off-white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    padding: 24px;
}

.material-group h4 {
    font-size: 0.9rem;
    color: var(--accent);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.material-group p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.7;
}

.tech-breakthroughs {
    background: var(--off-white);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.tech-breakthroughs h3 {
    margin-bottom: 24px;
}

.breakthroughs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.breakthrough-item {
    padding: 20px;
    background: var(--white);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.breakthrough-item:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow);
}

/* === Materials Image === */
.materials-image {
    margin-top: 48px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.materials-image img {
    width: 100%;
    display: block;
}

/* === Process === */
.process {
    padding: 100px 0;
    background: var(--off-white);
}

.process-equipment {
    position: relative;
    margin-top: 48px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
}

.process-equipment img {
    width: 100%;
    display: block;
}

.equipment-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px 28px;
    background: linear-gradient(transparent, rgba(26,10,10,0.9));
    color: var(--white);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}

.process-tech {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 64px;
}

.tech-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 48px;
    transition: var(--transition);
}

.tech-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.tech-name {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 4px;
}

.tech-full {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.tech-desc {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* === Complex Structure Showcase === */
.process-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    background: linear-gradient(135deg, #1A0A0A 0%, #2D1816 100%);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 64px;
}

.showcase-image {
    height: 100%;
    min-height: 360px;
    overflow: hidden;
}

.showcase-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.showcase-content {
    padding: 48px 48px 48px 0;
    color: var(--white);
}

.showcase-label {
    display: inline-block;
    background: rgba(200, 164, 92, 0.2);
    color: var(--gold-light);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.showcase-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
    color: var(--white);
}

.showcase-content > p {
    color: var(--gray-300);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.showcase-features {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.showcase-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--gray-200);
    font-size: 0.9rem;
    line-height: 1.5;
}

.showcase-features .check {
    color: var(--accent-light);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
}

.process-steps h3 {
    text-align: center;
    margin-bottom: 40px;
}

.steps-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0;
}

.step {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    width: 180px;
    transition: var(--transition);
}

.step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--accent);
}

.step-num {
    width: 36px;
    height: 36px;
    background: var(--accent);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 12px;
}

.step h4 {
    font-size: 0.95rem;
    margin-bottom: 6px;
}

.step p {
    font-size: 0.8rem;
    color: var(--text-light);
    line-height: 1.5;
}

.step-arrow {
    font-size: 1.5rem;
    color: var(--accent);
    font-weight: 700;
    padding: 0 12px;
}

/* === Research === */
.research {
    padding: 100px 0;
    background: var(--white);
}

.research-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 48px;
}

.research-card {
    background: var(--off-white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.research-card h3 {
    margin-bottom: 16px;
}

.research-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.research-card ul {
    list-style: none;
    padding: 0;
}

.research-card li {
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
    color: var(--text-light);
    font-size: 0.9rem;
}

.research-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
}

.material-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.material-tags span {
    padding: 6px 14px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--text);
    font-weight: 500;
    transition: var(--transition);
}

.material-tags span:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
}

.research-achievements {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.achievement {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
}

.achievement-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 12px;
}

.achievement p {
    font-size: 0.9rem;
    line-height: 1.5;
}

.achievement strong {
    color: var(--accent);
}

/* === Solutions === */
.solutions {
    padding: 100px 0;
    background: var(--primary);
    color: var(--white);
}

.solutions .section-title,
.solutions .section-desc { color: var(--white); }
.solutions .section-desc { color: rgba(255,255,255,0.65); }

.solutions-path {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 64px;
}

.path-item {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 40px;
    transition: var(--transition);
}

.path-item:hover {
    background: rgba(207,28,27,0.08);
    border-color: rgba(207,28,27,0.3);
    transform: translateY(-4px);
}

.path-marker {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 16px;
}

.path-item h3 {
    color: var(--white);
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.path-item p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    line-height: 1.6;
}

.solutions-pillars h3 {
    color: var(--white);
    text-align: center;
    margin-bottom: 32px;
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.pillar {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    transition: var(--transition);
}

.pillar:hover {
    background: rgba(207,28,27,0.08);
    border-color: rgba(207,28,27,0.3);
    transform: translateY(-4px);
}

.pillar h4 {
    color: var(--accent);
    font-size: 1rem;
    margin-bottom: 10px;
}

.pillar p {
    color: rgba(255,255,255,0.55);
    font-size: 0.85rem;
    line-height: 1.6;
}

/* === Industries === */
.industries {
    padding: 100px 0;
    background: var(--off-white);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.industry-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.industry-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.industry-img {
    width: 100%;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--gray-100);
}

.industry-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.industry-card:hover .industry-img img {
    transform: scale(1.05);
}

.industry-card .industry-body {
    padding: 24px 28px 28px;
}

.industry-card h3 {
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.industry-card p {
    color: var(--text-light);
    font-size: 0.88rem;
    line-height: 1.6;
}

.industry-icon {
    width: 48px;
    height: 48px;
    color: var(--accent);
    margin: 0 auto 20px;
}

/* === Product Gallery === */
.gallery {
    padding: 100px 0;
    background: var(--primary);
    color: var(--white);
}

.gallery .section-title,
.gallery .section-desc { color: var(--white); }
.gallery .section-desc { color: rgba(255,255,255,0.65); }

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 1/1;
    border: 1px solid rgba(255,255,255,0.08);
    transition: var(--transition);
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.gallery-item:hover {
    transform: translateY(-6px);
    border-color: var(--accent);
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item .gallery-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px 16px 16px;
    background: linear-gradient(transparent, rgba(26,10,10,0.9));
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    transition: var(--transition);
}

.gallery-item:hover .gallery-label {
    padding-bottom: 24px;
}

.gallery-item.featured {
    grid-column: span 2;
    grid-row: span 2;
    aspect-ratio: auto;
}

/* === Contact === */
.contact {
    padding: 100px 0;
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 48px;
    max-width: 960px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-item h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 6px;
}

.contact-item a, .contact-item p {
    font-size: 1.05rem;
    color: var(--text);
    font-weight: 500;
}

.contact-item a:hover { color: var(--accent); }

.contact-form {
    background: var(--off-white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.form-group { margin-bottom: 16px; }

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
    color: var(--text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

/* === Footer === */
.footer {
    background: var(--primary);
    color: rgba(255,255,255,0.7);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand img {
    height: 48px;
    width: auto;
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: 6px;
    color: rgba(255,255,255,0.55);
}

.footer-contact a {
    color: rgba(255,255,255,0.55);
    transition: var(--transition);
}

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

.footer-links h4 {
    color: var(--white);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li { margin-bottom: 8px; }

.footer-links a {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.5);
    transition: var(--transition);
}

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

.footer-newsletter h4 {
    color: var(--white);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}

.footer-newsletter p {
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.newsletter-form {
    display: flex;
    gap: 8px;
}

.newsletter-form input {
    flex: 1;
    padding: 10px 14px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-size: 0.88rem;
}

.newsletter-form input:focus { outline: none; border-color: var(--accent); }
.newsletter-form input::placeholder { color: rgba(255,255,255,0.3); }
.newsletter-form .btn { padding: 10px 20px; font-size: 0.85rem; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 24px;
    text-align: center;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.35);
}

/* === Hero Logo Responsive === */
@media (max-width: 768px) {
    .hero-logo {
        height: 56px;
    }
}

/* === Responsive === */
@media (max-width: 1024px) {
    .about-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .materials-grid-2col { grid-template-columns: repeat(2, 1fr); }
    .specs-grid { grid-template-columns: repeat(3, 1fr); }
    .breakthroughs-grid { grid-template-columns: repeat(2, 1fr); }
    .pillars-grid { grid-template-columns: repeat(2, 1fr); }
    .industries-grid { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .hero-stats { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; }
    .facility-showcase { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .process-tech { grid-template-columns: 1fr; }
    .process-showcase { grid-template-columns: 1fr; }
    .process-showcase .showcase-content { padding: 32px; }
    .showcase-image { min-height: 240px; max-height: 320px; }
    .steps-flow { flex-direction: column; }
    .step-arrow { transform: rotate(90deg); }
    .research-grid { grid-template-columns: 1fr; }
    .research-achievements { grid-template-columns: 1fr; }
    .solutions-path { grid-template-columns: 1fr; }
    .pillars-grid { grid-template-columns: 1fr; }
    .industries-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: 1fr; }
    .gallery-item.featured { grid-column: span 1; grid-row: span 1; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .specs-grid { grid-template-columns: repeat(2, 1fr); }
    .specs-grid .spec-item:last-child { grid-column: span 2; }
    .materials-grid-2col { grid-template-columns: 1fr; }
    .breakthroughs-grid { grid-template-columns: 1fr; }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--primary);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 32px 32px;
        gap: 8px;
        transition: var(--transition);
    }

    .nav-menu.active { right: 0; }
    .nav-link-cta { margin-left: 0; }

    .nav-toggle { display: flex; position: relative; z-index: 1001; }
    .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }
}

@media (max-width: 480px) {
    .hero-stats { grid-template-columns: 1fr; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .about-badges { flex-direction: column; align-items: center; }
}