/*
 * Levante Minerals and Metals - Public Website
 * Light technical B2B design system.
 */

:root {
    --bg: #f5f2ec;
    --surface: #ffffff;
    --surface-soft: #ebe6dd;
    --surface-muted: #f8f7f3;
    --text: #202a2e;
    --text-muted: #647176;
    --text-white: #ffffff;
    --border: #ded8cd;
    --border-glass: #ded8cd;
    --primary: #0f5f55;
    --primary-dark: #0a413b;
    --primary-soft: #dcebe6;
    --primary-gold: #b98248;
    --accent-teal: #0f766e;
    --copper: #b98248;
    --shadow: 0 18px 50px rgba(33, 44, 48, 0.12);
    --shadow-soft: 0 8px 24px rgba(33, 44, 48, 0.08);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 14px;
    --transition-fast: 0.2s ease;
    --transition-smooth: cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Professional interface-led redesign */
:root {
    --pro-ink: #142024;
    --pro-graphite: #1f2a2e;
    --pro-green: #0b6158;
    --pro-green-2: #0f766e;
    --pro-copper: #bd8450;
    --pro-stone: #f3f0e9;
    --pro-line: rgba(20, 32, 36, 0.12);
    --pro-dark-line: rgba(255, 255, 255, 0.13);
}

.site-header {
    position: sticky;
    isolation: isolate;
    background: rgba(255, 255, 255, 0.82);
    box-shadow: 0 1px 0 rgba(20, 32, 36, 0.08);
}

.site-header::before {
    content: '';
    position: absolute;
    inset: auto 0 0 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(11, 97, 88, 0.32), transparent);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -10px;
    height: 2px;
    transform: scaleX(0);
    transform-origin: left;
    background: var(--pro-green);
    transition: transform 0.28s ease;
}

.nav-link:hover::after {
    transform: scaleX(1);
}

.hero-pro {
    min-height: 0;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 54px 0 78px;
    background: #111b1f;
    color: #fff;
    border-bottom: 0;
}

.hero-media {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(11, 18, 21, 0.95) 0%, rgba(11, 18, 21, 0.78) 42%, rgba(11, 18, 21, 0.38) 100%),
        linear-gradient(180deg, rgba(11, 18, 21, 0.12) 0%, rgba(11, 18, 21, 0.9) 100%);
}

.hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.04);
}

.hero-grid-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    opacity: 0.32;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 84px 84px;
    mask-image: linear-gradient(90deg, #000 0%, rgba(0, 0, 0, 0.78) 54%, transparent 100%);
}

.hero-pro-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(420px, 0.72fr);
    gap: 64px;
    align-items: center;
}

.hero-pro .hero-pretitle {
    color: #82d7c9;
}

.hero-pro .hero-title {
    max-width: 770px;
    color: #fff;
    font-size: clamp(48px, 6vw, 78px);
    letter-spacing: 0;
}

.hero-pro .hero-desc {
    max-width: 650px;
    color: rgba(255, 255, 255, 0.76);
    font-size: 18px;
    overflow-wrap: break-word;
}

.hero-proof-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 34px;
    max-width: 760px;
}

.hero-proof {
    display: flex;
    gap: 12px;
    min-width: 0;
    padding: 16px;
    border: 1px solid var(--pro-dark-line);
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(14px);
    border-radius: 8px;
}

.hero-proof i {
    color: #8fe1d2;
    margin-top: 4px;
}

.hero-proof strong,
.hero-proof span {
    display: block;
}

.hero-proof strong {
    color: #fff;
    font-family: var(--font-heading);
    font-size: 14px;
}

.hero-proof span {
    color: rgba(255, 255, 255, 0.62);
    font-size: 13px;
}

.hero-command-panel {
    position: relative;
    overflow: hidden;
    padding: 28px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 12px;
    background: rgba(246, 248, 246, 0.92);
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.36);
    min-width: 0;
}

.hero-command-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(90deg, transparent 0 24px, rgba(11, 97, 88, 0.07) 24px 25px, transparent 25px),
        linear-gradient(transparent 0 24px, rgba(11, 97, 88, 0.07) 24px 25px, transparent 25px);
    background-size: 25px 25px;
}

.command-panel-head,
.finder-grid {
    position: relative;
    z-index: 1;
}

.command-panel-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    padding-bottom: 22px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--pro-line);
}

.command-panel-head span,
.feature-panel span,
.industry-rail strong {
    color: var(--pro-copper);
    font-size: 12px;
    font-weight: 850;
    letter-spacing: 1.4px;
    text-transform: uppercase;
}

.command-panel-head h2 {
    max-width: 380px;
    margin-top: 8px;
    color: var(--pro-ink);
    font-size: 27px;
}

.command-panel-head > i {
    display: grid;
    width: 48px;
    height: 48px;
    place-items: center;
    border-radius: 8px;
    color: #fff;
    background: var(--pro-green);
}

.finder-grid {
    display: grid;
    gap: 14px;
}

.finder-grid label {
    display: grid;
    gap: 7px;
}

.finder-grid label span {
    color: #56656a;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.finder-grid input,
.finder-grid select {
    min-height: 48px;
    border: 1px solid rgba(20, 32, 36, 0.16);
    border-radius: 7px;
    background: #fff;
    color: var(--pro-ink);
    font: 500 14px var(--font-body);
    padding: 0 14px;
}

.finder-grid .btn {
    margin-top: 6px;
    width: 100%;
}

.surface-shell {
    background:
        linear-gradient(180deg, #f4f1e9 0%, #ffffff 46%, #eef2ef 100%);
}

.overlap-shell {
    position: relative;
    z-index: 3;
    padding: 0 0 110px;
}

.quick-product-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    transform: translateY(-42px);
}

.quick-product {
    display: grid;
    grid-template-columns: 58px 1fr 24px;
    gap: 14px;
    align-items: center;
    min-height: 92px;
    padding: 15px;
    border: 1px solid rgba(20, 32, 36, 0.1);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--pro-ink);
    text-decoration: none;
    box-shadow: 0 18px 42px rgba(20, 32, 36, 0.12);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.quick-product:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 54px rgba(20, 32, 36, 0.16);
}

.quick-product img {
    width: 58px;
    height: 58px;
    border-radius: 8px;
    object-fit: cover;
}

.quick-product strong {
    font-family: var(--font-heading);
    font-size: 16px;
}

.quick-product i {
    color: var(--pro-green);
}

.interface-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.55fr);
    gap: 22px;
}

.spec-overview-panel,
.feature-panel,
.application-console,
.industry-rail {
    border: 1px solid rgba(20, 32, 36, 0.1);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.86);
    box-shadow: 0 18px 50px rgba(20, 32, 36, 0.08);
}

.spec-overview-panel {
    overflow: hidden;
}

.panel-title-row {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    padding: 28px 30px;
    border-bottom: 1px solid var(--pro-line);
}

.panel-title-row h2 {
    font-size: 34px;
}

.spec-matrix-wrap {
    overflow-x: auto;
}

.spec-matrix {
    width: 100%;
    border-collapse: collapse;
}

.spec-matrix th,
.spec-matrix td {
    padding: 18px 22px;
    border-bottom: 1px solid rgba(20, 32, 36, 0.08);
    text-align: left;
}

.spec-matrix th {
    color: #6f7b7f;
    font: 800 12px var(--font-heading);
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.spec-matrix td {
    color: #39474b;
    font-size: 14px;
}

.spec-matrix td:first-child a {
    color: var(--pro-green);
    font-family: var(--font-heading);
    font-weight: 800;
    text-decoration: none;
}

.action-panel-stack {
    display: grid;
    gap: 22px;
}

.feature-panel {
    position: relative;
    min-height: 220px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 22px;
    overflow: hidden;
    padding: 24px;
    color: #fff;
    text-decoration: none;
    background: var(--pro-graphite);
}

.feature-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.52;
    background: url('../images/bg-mineral.png') center / cover no-repeat;
    transition: transform 0.7s ease;
}

.feature-panel::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(20, 32, 36, 0.2), rgba(20, 32, 36, 0.9));
}

.feature-panel:hover::before {
    transform: scale(1.08);
}

.feature-panel > * {
    position: relative;
    z-index: 1;
}

.feature-panel h3 {
    color: #fff;
    margin-top: 8px;
    font-size: 24px;
}

.feature-panel > i {
    display: grid;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.32);
    border-radius: 50%;
}

.pro-section {
    background: #111b1f;
    color: #fff;
    border: 0;
}

.pro-section .section-title,
.pro-section .application-row h3 {
    color: #fff;
}

.pro-section .section-header p {
    color: rgba(255, 255, 255, 0.68);
}

.application-console {
    display: grid;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: none;
}

.application-row {
    display: grid;
    grid-template-columns: 56px 1fr 28px;
    align-items: center;
    gap: 18px;
    padding: 22px 26px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    text-decoration: none;
    transition: background 0.25s ease, padding-left 0.25s ease;
}

.application-row:last-child {
    border-bottom: 0;
}

.application-row:hover {
    padding-left: 34px;
    background: rgba(255, 255, 255, 0.07);
}

.application-row-icon {
    display: grid;
    width: 56px;
    height: 56px;
    place-items: center;
    border-radius: 9px;
    color: #94eadc;
    background: rgba(143, 225, 210, 0.12);
}

.application-row p {
    margin-top: 5px;
    color: rgba(255, 255, 255, 0.66);
    font-size: 14px;
}

.process-premium {
    background:
        linear-gradient(90deg, rgba(247, 245, 239, 0.96), rgba(247, 245, 239, 0.88)),
        repeating-linear-gradient(90deg, transparent 0 84px, rgba(20, 32, 36, 0.05) 84px 85px);
}

.sticky-copy {
    position: sticky;
    top: 120px;
}

.sticky-copy .btn {
    margin-top: 26px;
}

.premium-steps .process-step {
    position: relative;
    overflow: hidden;
    padding: 28px;
    background: rgba(255, 255, 255, 0.82);
    border-color: rgba(20, 32, 36, 0.1);
    box-shadow: 0 16px 42px rgba(20, 32, 36, 0.08);
}

.premium-steps .process-step::before {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: linear-gradient(var(--pro-green), var(--pro-copper));
}

.industry-rail-section {
    padding: 0 0 104px;
    background: #f7f5ef;
}

.industry-rail {
    display: grid;
    grid-template-columns: auto 1fr 46px;
    align-items: center;
    gap: 22px;
    padding: 18px;
}

.industry-rail > div {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.industry-rail span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    border: 1px solid var(--pro-line);
    border-radius: 999px;
    background: #fff;
    color: #405054;
    font-size: 13px;
    font-weight: 700;
}

.industry-rail span i {
    color: var(--pro-green);
}

.industry-rail > a {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    border-radius: 50%;
    background: var(--pro-green);
    color: #fff;
    text-decoration: none;
}

.cta-premium {
    position: relative;
    overflow: hidden;
    background: #101a1d;
}

.cta-premium::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.22;
    background:
        linear-gradient(90deg, transparent 0 44px, rgba(255, 255, 255, 0.18) 44px 45px, transparent 45px),
        linear-gradient(transparent 0 44px, rgba(255, 255, 255, 0.16) 44px 45px, transparent 45px);
    background-size: 45px 45px;
}

.cta-premium > * {
    position: relative;
    z-index: 1;
}

.cta-premium p {
    max-width: 660px;
    margin-top: 12px;
    color: rgba(255, 255, 255, 0.68);
}

[data-reveal],
[data-reveal-stagger] > * {
    opacity: 1;
    transform: translateY(0);
}

.is-visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.site-progress {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 2000;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--pro-green), var(--pro-copper));
}

@media (max-width: 1120px) {
    .hero-pro-inner,
    .interface-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .quick-product-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero-command-panel {
        max-width: 620px;
    }
}

/* Final page-shell correction */
.page-hero {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(90deg, rgba(17, 27, 31, 0.95), rgba(17, 27, 31, 0.72)),
        url('../images/bg-mineral.png') center / cover no-repeat !important;
    border-bottom: 0;
    color: #fff;
}

.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.24;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 76px 76px;
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    color: #fff;
}

.page-hero p {
    color: rgba(255, 255, 255, 0.72);
}

/* Corporate content and footer logo refinements */
.site-footer .footer-logo {
    gap: 10px;
    align-items: center;
}

.site-footer .footer-logo img,
.site-footer .footer-logo .logo-img {
    width: 38px !important;
    height: 38px !important;
    max-width: 38px;
    object-fit: contain;
    flex: 0 0 38px;
}

.site-footer .footer-logo .logo-title {
    font-size: 18px;
    line-height: 1;
    letter-spacing: 1px;
}

.site-footer .footer-logo .logo-subtitle {
    font-size: 9px;
    line-height: 1.1;
    letter-spacing: 1.3px;
}

.logo-subtitle {
    text-transform: none !important;
}

.corporate-content-section {
    background: linear-gradient(180deg, #f7faf8 0%, #ffffff 100%);
}

.corporate-section-list {
    display: grid;
    gap: 28px;
}

.corporate-story-row {
    display: grid;
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
    padding: 34px;
    background: #fff;
    border: 1px solid rgba(14, 46, 44, 0.1);
    border-radius: var(--radius-md);
    box-shadow: 0 18px 50px rgba(12, 25, 24, 0.08);
}

.corporate-story-row.is-reversed {
    background: #f9fbfa;
}

.corporate-story-marker {
    display: grid;
    justify-items: center;
    gap: 12px;
    color: var(--primary);
}

.corporate-story-marker span {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: 1.6px;
}

.corporate-story-marker i {
    display: grid;
    width: 58px;
    height: 58px;
    place-items: center;
    border-radius: 18px;
    background: rgba(15, 107, 96, 0.1);
    color: var(--primary);
    font-size: 22px;
}

.corporate-story-content h2 {
    margin-bottom: 14px;
    color: var(--text-main);
    font-size: clamp(28px, 3vw, 42px);
}

.corporate-story-content p {
    color: var(--text-muted);
    font-size: 16px;
    line-height: 1.82;
}

.sustainability-principles {
    margin-top: 34px;
}

.product-hero-image img,
.product-card-img {
    object-fit: contain !important;
    background: #101719;
}

.subproduct-grid {
    display: grid;
    gap: 14px;
}

.subproduct-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 28px;
    gap: 14px;
    align-items: center;
    padding: 14px 16px;
    border: 1px solid rgba(20, 32, 36, 0.1);
    border-radius: var(--radius-md);
    background: #fff;
    color: var(--text);
    text-decoration: none;
    box-shadow: 0 12px 32px rgba(20, 32, 36, 0.07);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.subproduct-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 42px rgba(20, 32, 36, 0.12);
}

.subproduct-card span {
    display: block;
    color: var(--primary-gold);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.subproduct-card h3 {
    margin-top: 4px;
    color: var(--text);
    font-size: 20px;
}

.subproduct-card p {
    margin-top: 6px;
    color: var(--text-muted);
    font-size: 14px;
}

.technical-request-text {
    margin: 16px 0 18px;
}

.subproduct-card > i {
    color: var(--primary);
}

@media (max-width: 768px) {
    .corporate-story-row {
        grid-template-columns: 1fr;
        padding: 24px;
    }

    .corporate-story-marker {
        justify-items: start;
    }

    .site-footer .footer-logo {
        max-width: 250px;
    }

    .subproduct-card {
        grid-template-columns: 1fr;
    }

    .subproduct-card > i {
        display: none;
    }
}

@media (max-width: 900px) {
    .hero-pro-inner {
        width: 100%;
        grid-template-columns: minmax(0, 1fr) !important;
    }

    .hero-pro-copy,
    .hero-command-panel {
        width: 100%;
        max-width: min(100%, 354px) !important;
        min-width: 0;
    }

    .hero-pro .hero-title,
    .hero-pro .hero-desc {
        width: 100%;
        max-width: 100% !important;
    }
}

@media (max-width: 760px) {
    .hero-pro {
        min-height: auto;
        padding: 64px 0 92px;
    }

    .hero-pro-inner {
        width: 100%;
        grid-template-columns: minmax(0, 1fr) !important;
        gap: 34px;
    }

    .hero-pro .hero-title {
        font-size: 38px;
    }

    .hero-proof-row,
    .quick-product-strip,
    .industry-rail {
        grid-template-columns: 1fr;
    }

    .quick-product-strip {
        transform: translateY(-28px);
    }

    .hero-command-panel,
    .panel-title-row,
    .document-band,
    .cta-panel {
        padding: 22px;
    }

    .panel-title-row,
    .industry-rail {
        align-items: flex-start;
    }

    .spec-matrix {
        min-width: 760px;
    }

    .application-row {
        grid-template-columns: 46px 1fr;
    }

    .application-row > .fa-arrow-right-long {
        display: none;
    }

    .sticky-copy {
        position: static;
    }
}

/* Final page-shell correction, kept at file end for cascade priority. */
.page-hero {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(90deg, rgba(17, 27, 31, 0.95), rgba(17, 27, 31, 0.72)),
        url('../images/bg-mineral.png') center / cover no-repeat !important;
    border-bottom: 0;
    color: #fff;
}

.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.24;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 76px 76px;
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    color: #fff;
}

.page-hero p {
    color: rgba(255, 255, 255, 0.72);
}

.page-hero {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(90deg, rgba(17, 27, 31, 0.95), rgba(17, 27, 31, 0.74)),
        url('../images/bg-mineral.png') center / cover no-repeat;
    border-bottom: 0;
    color: #fff;
}

.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.28;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 76px 76px;
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    color: #fff;
}

.page-hero p {
    color: rgba(255, 255, 255, 0.72);
}

.catalog-section,
.product-detail-section {
    background: linear-gradient(180deg, #f5f2ec 0%, #ffffff 52%, #eef2ef 100%);
}

.filter-bar {
    transform: translateY(-34px);
    margin-bottom: -8px;
    border-color: rgba(20, 32, 36, 0.1);
    box-shadow: 0 22px 58px rgba(20, 32, 36, 0.12);
}

.product-card,
.application-card,
.document-row,
.product-side-panel,
.contact-form,
.contact-info-card,
.glass-card {
    border-color: rgba(20, 32, 36, 0.1);
    box-shadow: 0 16px 42px rgba(20, 32, 36, 0.08);
}

.product-card {
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: linear-gradient(90deg, var(--pro-green), var(--pro-copper));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.28s ease;
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-card-img-box,
.product-hero-image,
.about-visual-box {
    background: #111b1f;
}

.product-card-img,
.product-hero-image img,
.about-visual-box img {
    transition: transform 0.7s ease, filter 0.7s ease;
}

.product-card:hover .product-card-img {
    transform: scale(1.07);
    filter: saturate(1.08) contrast(1.04);
}

.document-tabs a,
.related-chip-list a {
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.document-tabs a:hover,
.related-chip-list a:hover {
    transform: translateY(-2px);
    border-color: var(--pro-green);
}

.product-detail-layout {
    align-items: stretch;
}

.product-main-content section {
    background: rgba(255, 255, 255, 0.68);
    border: 1px solid rgba(20, 32, 36, 0.08);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 14px 38px rgba(20, 32, 36, 0.06);
}

.product-main-content {
    gap: 22px;
}

.spec-table th {
    background: #f4f1e9;
}

.site-footer {
    background:
        linear-gradient(180deg, rgba(17, 27, 31, 0.96), rgba(11, 18, 21, 1)),
        url('../images/bg-mineral.png') center / cover no-repeat;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    color: inherit;
}

img {
    display: block;
    max-width: 100%;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 28px;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text);
    font-family: var(--font-heading);
    line-height: 1.15;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.88);
    border-bottom: 1px solid rgba(222, 216, 205, 0.8);
    backdrop-filter: blur(16px);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 82px;
    gap: 28px;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 13px;
    text-decoration: none;
    min-width: max-content;
}

.logo-img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-title {
    color: var(--primary-dark);
    font-family: var(--font-heading);
    font-size: 21px;
    font-weight: 800;
    letter-spacing: 1.5px;
    line-height: 1;
}

.logo-subtitle {
    color: var(--copper);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 26px;
    list-style: none;
}

.nav-link {
    color: #334044;
    font-size: 14px;
    font-weight: 650;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 18px;
}

.lang-selector {
    display: flex;
    align-items: center;
    gap: 7px;
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
}

.lang-btn {
    color: var(--text-muted);
    text-decoration: none;
}

.lang-btn.active {
    color: var(--primary);
}

.lang-divider {
    color: var(--border);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 44px;
    padding: 12px 22px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 750;
    text-decoration: none;
    cursor: pointer;
    transition: background var(--transition-fast), border var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-accent {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 10px 24px rgba(15, 95, 85, 0.18);
}

.btn-accent:hover {
    background: var(--primary-dark);
}

.btn-outline {
    background: transparent;
    border-color: var(--border);
    color: var(--primary-dark);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-family: var(--font-heading);
    font-weight: 750;
    text-decoration: none;
}

.section {
    padding: 96px 0;
}

.section-header {
    max-width: 760px;
    margin: 0 auto 48px;
    text-align: center;
}

.section-header p {
    color: var(--text-muted);
    margin-top: 16px;
}

.split-header {
    max-width: none;
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 30px;
    text-align: left;
}

.section-pretitle,
.hero-pretitle {
    display: block;
    color: var(--primary);
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 2px;
    margin-bottom: 13px;
    text-transform: uppercase;
}

.section-title {
    font-size: clamp(30px, 4vw, 46px);
    font-weight: 800;
}

.hero-section {
    position: relative;
    padding: 86px 0 54px;
    background:
        linear-gradient(90deg, rgba(245, 242, 236, 0.98) 0%, rgba(245, 242, 236, 0.88) 52%, rgba(245, 242, 236, 0.68) 100%),
        url('../images/bg-mineral.png') center / cover no-repeat;
    border-bottom: 1px solid var(--border);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(380px, 0.98fr);
    gap: 58px;
    align-items: center;
}

.hero-title {
    max-width: 780px;
    color: #152225;
    font-size: clamp(42px, 6vw, 68px);
    font-weight: 850;
    letter-spacing: 0;
    overflow-wrap: break-word;
}

.hero-title span {
    color: var(--primary);
}

.hero-desc {
    max-width: 650px;
    margin: 24px 0 28px;
    color: #4e5c60;
    font-size: 18px;
}

.hero-search {
    display: grid;
    grid-template-columns: 22px 1fr auto;
    align-items: center;
    max-width: 650px;
    padding: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}

.hero-search i {
    color: var(--primary);
    margin-left: 10px;
}

.hero-search input {
    width: 100%;
    min-height: 44px;
    border: 0;
    outline: 0;
    padding: 0 14px;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 15px;
}

.hero-search button {
    min-height: 44px;
    padding: 0 18px;
    border: 0;
    border-radius: var(--radius-sm);
    background: var(--primary);
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 800;
    cursor: pointer;
}

.hero-actions-row {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 24px;
}

.hero-visual {
    position: relative;
}

.hero-photo-card {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.hero-photo-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.hero-photo-caption {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 18px 20px;
}

.hero-photo-caption strong {
    color: var(--primary-dark);
    font-family: var(--font-heading);
}

.hero-photo-caption span {
    color: var(--text-muted);
    font-size: 13px;
}

.hero-mini-panel {
    position: absolute;
    right: -18px;
    bottom: 92px;
    width: 240px;
    padding: 18px;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
}

.hero-mini-panel > span {
    display: block;
    margin-bottom: 10px;
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.hero-mini-panel a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    color: var(--primary-dark);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
}

.hero-mini-panel i {
    color: var(--copper);
}

.hero-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 42px;
}

.metric-card {
    padding: 22px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.metric-card span {
    display: block;
    color: var(--text-muted);
    font-size: 13px;
}

.metric-card strong {
    display: block;
    margin-top: 5px;
    color: var(--primary-dark);
    font-family: var(--font-heading);
    font-size: 18px;
}

.page-hero {
    padding: 78px 0 62px;
    background: linear-gradient(135deg, #f9f8f4 0%, #e7eee9 100%);
    border-bottom: 1px solid var(--border);
}

.page-hero h1 {
    max-width: 860px;
    font-size: clamp(38px, 5vw, 58px);
    font-weight: 850;
}

.page-hero p {
    max-width: 760px;
    margin-top: 18px;
    color: var(--text-muted);
    font-size: 18px;
}

.products-grid,
.applications-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
}

.catalog-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-card,
.application-card {
    display: flex;
    min-width: 0;
    flex-direction: column;
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text);
    text-decoration: none;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.75) inset;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.product-card:hover,
.application-card:hover {
    transform: translateY(-4px);
    border-color: rgba(15, 95, 85, 0.35);
    box-shadow: var(--shadow-soft);
}

.product-card-img-box {
    aspect-ratio: 4 / 3;
    background: var(--surface-soft);
    overflow: hidden;
}

.product-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-card-content {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 22px;
}

.product-category {
    color: var(--copper);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.product-card-title {
    margin-top: 8px;
    font-size: 22px;
}

.product-card-desc {
    margin-top: 12px;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.55;
}

.product-card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    padding-top: 18px;
    color: var(--primary);
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
}

.mini-spec,
.spec-preview {
    display: grid;
    gap: 8px;
    margin-top: 16px;
    padding: 14px;
    background: var(--surface-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.mini-spec span,
.spec-preview span {
    color: var(--text-muted);
    font-size: 12px;
}

.mini-spec strong,
.spec-preview strong {
    color: var(--primary-dark);
    font-family: var(--font-heading);
}

.spec-preview > div {
    display: flex;
    justify-content: space-between;
    gap: 14px;
}

.section-applications,
.section-process {
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.application-card {
    padding: 24px;
}

.application-card-media {
    padding: 0;
}

.application-media {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--surface-soft);
}

.application-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.application-card-media .application-icon,
.application-card-media h3,
.application-card-media p,
.application-card-media span {
    margin-left: 24px;
    margin-right: 24px;
}

.application-card-media span {
    margin-bottom: 24px;
}

.application-icon {
    display: grid;
    width: 48px;
    height: 48px;
    margin-bottom: 22px;
    place-items: center;
    border-radius: var(--radius-sm);
    background: var(--primary-soft);
    color: var(--primary);
}

.application-card h3 {
    font-size: 20px;
}

.application-card p {
    margin-top: 12px;
    color: var(--text-muted);
    font-size: 14px;
}

.application-card span {
    display: inline-flex;
    margin-top: auto;
    padding-top: 18px;
    color: var(--primary);
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 800;
}

.applications-grid-large {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.process-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 64px;
    align-items: start;
}

.process-intro p {
    margin-top: 18px;
    color: var(--text-muted);
}

.process-steps {
    display: grid;
    gap: 16px;
}

.process-step {
    display: grid;
    grid-template-columns: 58px 1fr;
    gap: 18px;
    padding: 22px;
    background: var(--surface-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.process-step > span {
    color: var(--copper);
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 850;
}

.process-step p {
    margin-top: 7px;
    color: var(--text-muted);
    font-size: 14px;
}

.document-band,
.cta-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    padding: 38px;
    background: var(--primary-dark);
    border-radius: var(--radius-lg);
    color: #fff;
}

.document-band h2,
.cta-panel h2 {
    color: #fff;
    font-size: clamp(26px, 4vw, 38px);
}

.document-band p {
    max-width: 680px;
    margin-top: 12px;
    color: rgba(255, 255, 255, 0.74);
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.filter-bar {
    display: grid;
    grid-template-columns: minmax(220px, 1.3fr) minmax(170px, 0.8fr) minmax(170px, 0.8fr) auto;
    gap: 16px;
    align-items: end;
    padding: 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}

.filter-field {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.filter-field label {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.filter-field input,
.filter-field select,
.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    min-height: 48px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 14px;
}

.contact-form select {
    background: var(--surface) !important;
    border-color: var(--border) !important;
    color: var(--text) !important;
}

.catalog-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin: 24px 0;
    color: var(--text-muted);
    font-size: 14px;
}

.catalog-meta a {
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
}

.empty-state {
    grid-column: 1 / -1;
    padding: 48px;
    background: var(--surface);
    border: 1px dashed var(--border);
    border-radius: var(--radius-md);
    text-align: center;
}

.empty-state p {
    max-width: 560px;
    margin: 10px auto 20px;
    color: var(--text-muted);
}

.product-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(340px, 460px);
    gap: 46px;
    align-items: center;
}

.breadcrumb-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 28px;
    color: var(--primary);
    font-weight: 750;
    text-decoration: none;
}

.product-hero-image {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-soft);
}

.product-hero-image img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.product-detail-layout {
    display: grid;
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
}

.product-side-panel {
    position: sticky;
    top: 110px;
    padding: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
}

.product-side-panel h3 {
    margin-bottom: 18px;
    font-size: 20px;
}

.product-side-panel dl {
    display: grid;
    gap: 16px;
}

.product-side-panel dt {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.product-side-panel dd {
    margin-top: 3px;
    color: var(--text);
    font-weight: 650;
}

.product-main-content {
    display: grid;
    gap: 42px;
}

.product-main-content section {
    padding-bottom: 38px;
    border-bottom: 1px solid var(--border);
}

.product-main-content h2 {
    margin-bottom: 18px;
    font-size: 28px;
}

.product-main-content p {
    color: var(--text-muted);
}

.table-wrap,
.spec-table-container {
    overflow-x: auto;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
}

.spec-table th,
.spec-table td {
    padding: 15px 18px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.spec-table th {
    color: var(--primary);
    font-family: var(--font-heading);
    font-size: 13px;
    text-transform: uppercase;
}

.spec-table tr:last-child td {
    border-bottom: 0;
}

.uses-list {
    display: grid;
    gap: 10px;
    list-style: none;
}

.uses-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.uses-list i {
    color: var(--primary);
}

.related-chip-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.related-chip-list a,
.document-tabs a {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--primary-dark);
    font-size: 13px;
    font-weight: 750;
    text-decoration: none;
}

.document-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 26px;
}

.document-tabs a.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.document-list {
    display: grid;
    gap: 14px;
}

.document-row {
    display: grid;
    grid-template-columns: 44px 1fr auto;
    gap: 16px;
    align-items: center;
    padding: 18px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.document-row > i {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border-radius: var(--radius-sm);
    background: var(--primary-soft);
    color: var(--primary);
}

.document-row strong {
    display: block;
    color: var(--text);
    font-family: var(--font-heading);
}

.document-row span {
    color: var(--text-muted);
    font-size: 13px;
}

.document-row p {
    margin-top: 5px;
    color: var(--text-muted);
    font-size: 14px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 46px;
}

.contact-info-card,
.contact-form,
.glass-card,
.cta-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
}

.contact-info-card {
    display: grid;
    gap: 26px;
    padding: 32px;
}

.contact-info-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-info-icon,
.card-icon {
    display: grid;
    width: 48px;
    height: 48px;
    flex: 0 0 48px;
    place-items: center;
    border-radius: var(--radius-sm);
    background: var(--primary-soft);
    color: var(--primary);
}

.contact-info-text h4 {
    color: var(--text);
    font-size: 16px;
}

.contact-info-text p,
.contact-info-text a {
    color: var(--text-muted);
    font-size: 14px;
    text-decoration: none;
}

.contact-form {
    padding: 32px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

.form-group-site {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 18px;
}

.form-group-site label {
    color: var(--text);
    font-size: 13px;
    font-weight: 750;
}

.contact-form textarea {
    min-height: 140px;
    resize: vertical;
}

.btn-block {
    width: 100%;
}

.alert {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 18px;
}

.alert-danger {
    background: #fff2f1;
    border: 1px solid #f1c9c5;
    color: #9b2c23;
}

.alert-success {
    background: #ecf8f0;
    border: 1px solid #badfc6;
    color: #176038;
}

.about-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 52px;
    align-items: center;
}

.about-visual-box {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-soft);
}

.about-visual-box img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.about-content-box p {
    color: var(--text-muted);
}

.vision-mission-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    margin-top: 34px;
}

.strengths-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.glass-card,
.cta-card {
    padding: 28px;
}

.glass-card p {
    color: var(--text-muted);
}

.site-footer {
    background: #172326;
    color: rgba(255, 255, 255, 0.78);
    padding-top: 72px;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.25fr 0.8fr 0.9fr 0.9fr 1.1fr;
    gap: 34px;
    padding-bottom: 56px;
}

.site-footer .logo-title,
.site-footer h4 {
    color: #fff;
}

.site-footer .logo-subtitle {
    color: #d8a66f;
}

.footer-col h4 {
    margin-bottom: 16px;
    font-size: 16px;
}

.footer-about-text,
.footer-links a,
.footer-contact-details,
.footer-contact-details a {
    color: rgba(255, 255, 255, 0.68);
    font-size: 14px;
    text-decoration: none;
}

.footer-links,
.footer-contact-details {
    display: grid;
    gap: 10px;
    list-style: none;
}

.footer-socials {
    display: flex;
    gap: 10px;
    margin-top: 18px;
}

.footer-socials a,
.back-to-top-btn {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-sm);
    color: #fff;
    text-decoration: none;
}

.lower-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.lower-footer-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding-top: 20px;
    padding-bottom: 20px;
}

.lower-footer p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
}

.whatsapp-float-btn {
    position: fixed;
    right: 26px;
    bottom: 92px;
    z-index: 999;
    display: grid;
    width: 58px;
    height: 58px;
    place-items: center;
    border-radius: 50%;
    background: #25d366;
    color: #fff;
    font-size: 28px;
    text-decoration: none;
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.28);
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 44px;
    height: 40px;
    margin-left: auto;
    border: 0;
    border-radius: var(--radius-sm);
    background: var(--primary);
    padding: 11px 9px;
    cursor: pointer;
}

@media (min-width: 901px) {
    .mobile-menu-btn {
        display: none !important;
    }
}

.mobile-menu-btn .bar {
    width: 100%;
    height: 2px;
    background: #fff;
}

.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.muted { color: var(--text-muted); }

@media (max-width: 1120px) {
    .header-actions .header-cta-btn {
        display: none;
    }

    .nav-list {
        gap: 18px;
    }

    .products-grid,
    .catalog-grid,
    .applications-grid,
    .applications-grid-large {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .footer-container {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .mobile-menu-btn {
        display: flex !important;
        position: fixed;
        top: 17px;
        left: min(calc(100vw - 64px), 326px);
        z-index: 2000;
    }

    .main-nav {
        position: fixed;
        inset: 82px 0 auto 0;
        display: none;
        padding: 22px 28px;
        background: #fff;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-soft);
    }

    .main-nav.active {
        display: block;
    }

    .nav-list {
        align-items: flex-start;
        flex-direction: column;
    }

    .header-actions {
        margin-left: auto;
    }

    .hero-grid,
    .process-grid,
    .product-hero-grid,
    .product-detail-layout,
    .contact-grid,
    .about-grid {
        grid-template-columns: 1fr;
    }

    .product-side-panel {
        position: static;
    }

    .filter-bar {
        grid-template-columns: 1fr 1fr;
    }

    .filter-search {
        grid-column: 1 / -1;
    }

    .filter-bar .btn {
        grid-column: 1 / -1;
    }
}

@media (max-width: 680px) {
    .container {
        padding: 0 18px;
    }

    .section {
        padding: 68px 0;
    }

    .header-container {
        min-height: 74px;
    }

    .logo-text {
        display: none;
    }

    .header-actions {
        display: none;
    }

    .main-nav {
        inset: 74px 0 auto 0;
    }

    .hero-section {
        padding-top: 54px;
    }

    .hero-title {
        font-size: 28px;
        line-height: 1.18;
    }

    .hero-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 34px;
    }

    .hero-search {
        width: 100%;
        grid-template-columns: 22px 1fr;
        max-width: 100%;
    }

    .hero-title,
    .hero-desc,
    .hero-search {
        max-width: 340px;
    }

    .hero-search input {
        min-width: 0;
    }

    .hero-search button {
        grid-column: 1 / -1;
        margin-top: 6px;
    }

    .hero-highlights,
    .products-grid,
    .catalog-grid,
    .applications-grid,
    .applications-grid-large,
    .vision-mission-grid,
    .strengths-grid,
    .form-row,
    .filter-bar {
        grid-template-columns: 1fr;
    }

    .split-header,
    .document-band,
    .cta-panel,
    .lower-footer-container {
        align-items: flex-start;
        flex-direction: column;
    }

    .hero-mini-panel {
        position: static;
        width: 100%;
        margin-top: 16px;
    }

    .document-row {
        grid-template-columns: 44px 1fr;
    }

    .document-row .btn {
        grid-column: 1 / -1;
    }

    .footer-container {
        grid-template-columns: 1fr;
    }
}

/* Final professional interface overrides */
.site-header {
    position: sticky;
    isolation: isolate;
    background: rgba(255, 255, 255, 0.86);
    box-shadow: 0 1px 0 rgba(20, 32, 36, 0.08), 0 16px 50px rgba(20, 32, 36, 0.06);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -10px;
    height: 2px;
    transform: scaleX(0);
    transform-origin: left;
    background: var(--pro-green);
    transition: transform 0.28s ease;
}

.nav-link:hover::after {
    transform: scaleX(1);
}

.hero-pro {
    min-height: calc(100vh - 82px);
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 86px 0 116px;
    background: #111b1f;
    color: #fff;
    border-bottom: 0;
}

.hero-pro .hero-media {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-pro .hero-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(11, 18, 21, 0.95) 0%, rgba(11, 18, 21, 0.78) 42%, rgba(11, 18, 21, 0.38) 100%),
        linear-gradient(180deg, rgba(11, 18, 21, 0.12) 0%, rgba(11, 18, 21, 0.9) 100%);
}

.hero-pro .hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.04);
}

.hero-grid-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    opacity: 0.32;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 84px 84px;
    mask-image: linear-gradient(90deg, #000 0%, rgba(0, 0, 0, 0.78) 54%, transparent 100%);
}

.hero-pro-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(420px, 0.72fr);
    gap: 64px;
    align-items: center;
}

.hero-pro .hero-pretitle {
    color: #82d7c9;
}

.hero-pro .hero-title {
    max-width: 770px;
    color: #fff;
    font-size: clamp(48px, 6vw, 78px);
    letter-spacing: 0;
}

.hero-pro .hero-desc {
    max-width: 650px;
    color: rgba(255, 255, 255, 0.76);
    font-size: 18px;
}

.hero-proof-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 34px;
    max-width: 760px;
}

.hero-proof {
    display: flex;
    gap: 12px;
    min-width: 0;
    padding: 16px;
    border: 1px solid var(--pro-dark-line);
    background: rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(14px);
    border-radius: 8px;
}

.hero-proof i {
    color: #8fe1d2;
    margin-top: 4px;
}

.hero-proof strong,
.hero-proof span {
    display: block;
}

.hero-proof strong {
    color: #fff;
    font-family: var(--font-heading);
    font-size: 14px;
}

.hero-proof span {
    color: rgba(255, 255, 255, 0.62);
    font-size: 13px;
}

.hero-command-panel {
    position: relative;
    overflow: hidden;
    padding: 28px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 12px;
    background: rgba(246, 248, 246, 0.92);
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.36);
}

.hero-command-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        linear-gradient(90deg, transparent 0 24px, rgba(11, 97, 88, 0.07) 24px 25px, transparent 25px),
        linear-gradient(transparent 0 24px, rgba(11, 97, 88, 0.07) 24px 25px, transparent 25px);
    background-size: 25px 25px;
}

.command-panel-head,
.finder-grid {
    position: relative;
    z-index: 1;
}

.command-panel-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    padding-bottom: 22px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--pro-line);
}

.command-panel-head span,
.feature-panel span,
.industry-rail strong {
    color: var(--pro-copper);
    font-size: 12px;
    font-weight: 850;
    letter-spacing: 1.4px;
    text-transform: uppercase;
}

.command-panel-head h2 {
    max-width: 380px;
    margin-top: 8px;
    color: var(--pro-ink);
    font-size: 27px;
}

.command-panel-head > i {
    display: grid;
    width: 48px;
    height: 48px;
    place-items: center;
    border-radius: 8px;
    color: #fff;
    background: var(--pro-green);
}

.finder-grid {
    display: grid;
    gap: 14px;
}

.finder-grid label {
    display: grid;
    gap: 7px;
}

.finder-grid label span {
    color: #56656a;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

.finder-grid input,
.finder-grid select {
    min-height: 48px;
    border: 1px solid rgba(20, 32, 36, 0.16);
    border-radius: 7px;
    background: #fff;
    color: var(--pro-ink);
    font: 500 14px var(--font-body);
    padding: 0 14px;
}

.finder-grid .btn {
    margin-top: 6px;
    width: 100%;
}

.surface-shell {
    background: linear-gradient(180deg, #f4f1e9 0%, #ffffff 46%, #eef2ef 100%);
}

.overlap-shell {
    position: relative;
    z-index: 3;
    padding: 0 0 110px;
}

.quick-product-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    transform: translateY(-42px);
}

.quick-product {
    display: grid;
    grid-template-columns: 58px 1fr 24px;
    gap: 14px;
    align-items: center;
    min-height: 92px;
    padding: 15px;
    border: 1px solid rgba(20, 32, 36, 0.1);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--pro-ink);
    text-decoration: none;
    box-shadow: 0 18px 42px rgba(20, 32, 36, 0.12);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.quick-product:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 54px rgba(20, 32, 36, 0.16);
}

.quick-product img {
    width: 58px;
    height: 58px;
    border-radius: 8px;
    object-fit: cover;
}

.quick-product strong {
    font-family: var(--font-heading);
    font-size: 16px;
}

.quick-product i {
    color: var(--pro-green);
}

.interface-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.55fr);
    gap: 22px;
}

.spec-overview-panel,
.feature-panel,
.application-console,
.industry-rail {
    border: 1px solid rgba(20, 32, 36, 0.1);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.86);
    box-shadow: 0 18px 50px rgba(20, 32, 36, 0.08);
}

.spec-overview-panel {
    overflow: hidden;
}

.panel-title-row {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    padding: 28px 30px;
    border-bottom: 1px solid var(--pro-line);
}

.panel-title-row h2 {
    font-size: 34px;
}

.spec-matrix-wrap {
    overflow-x: auto;
}

.spec-matrix {
    width: 100%;
    border-collapse: collapse;
}

.spec-matrix th,
.spec-matrix td {
    padding: 18px 22px;
    border-bottom: 1px solid rgba(20, 32, 36, 0.08);
    text-align: left;
}

.spec-matrix th {
    color: #6f7b7f;
    font: 800 12px var(--font-heading);
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.spec-matrix td {
    color: #39474b;
    font-size: 14px;
}

.spec-matrix td:first-child a {
    color: var(--pro-green);
    font-family: var(--font-heading);
    font-weight: 800;
    text-decoration: none;
}

.action-panel-stack {
    display: grid;
    gap: 22px;
}

.feature-panel {
    position: relative;
    min-height: 220px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 22px;
    overflow: hidden;
    padding: 24px;
    color: #fff;
    text-decoration: none;
    background: var(--pro-graphite);
}

.feature-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.52;
    background: url('../images/bg-mineral.png') center / cover no-repeat;
    transition: transform 0.7s ease;
}

.feature-panel::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(20, 32, 36, 0.2), rgba(20, 32, 36, 0.9));
}

.feature-panel:hover::before {
    transform: scale(1.08);
}

.feature-panel > * {
    position: relative;
    z-index: 1;
}

.feature-panel h3 {
    color: #fff;
    margin-top: 8px;
    font-size: 24px;
}

.feature-panel > i {
    display: grid;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.32);
    border-radius: 50%;
}

.pro-section {
    background: #111b1f;
    color: #fff;
    border: 0;
}

.pro-section .section-title,
.pro-section .application-row h3 {
    color: #fff;
}

.application-console {
    display: grid;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: none;
}

.application-row {
    display: grid;
    grid-template-columns: 56px 1fr 28px;
    align-items: center;
    gap: 18px;
    padding: 22px 26px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    text-decoration: none;
    transition: background 0.25s ease, padding-left 0.25s ease;
}

.application-row:hover {
    padding-left: 34px;
    background: rgba(255, 255, 255, 0.07);
}

.application-row:last-child {
    border-bottom: 0;
}

.application-row-icon {
    display: grid;
    width: 56px;
    height: 56px;
    place-items: center;
    border-radius: 9px;
    color: #94eadc;
    background: rgba(143, 225, 210, 0.12);
}

.application-row p {
    margin-top: 5px;
    color: rgba(255, 255, 255, 0.66);
    font-size: 14px;
}

.process-premium {
    background:
        linear-gradient(90deg, rgba(247, 245, 239, 0.96), rgba(247, 245, 239, 0.88)),
        repeating-linear-gradient(90deg, transparent 0 84px, rgba(20, 32, 36, 0.05) 84px 85px);
}

.sticky-copy {
    position: sticky;
    top: 120px;
}

.sticky-copy .btn {
    margin-top: 26px;
}

.premium-steps .process-step {
    position: relative;
    overflow: hidden;
    padding: 28px;
    background: rgba(255, 255, 255, 0.82);
    border-color: rgba(20, 32, 36, 0.1);
    box-shadow: 0 16px 42px rgba(20, 32, 36, 0.08);
}

.premium-steps .process-step::before {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: linear-gradient(var(--pro-green), var(--pro-copper));
}

.industry-rail-section {
    padding: 0 0 104px;
    background: #f7f5ef;
}

.industry-rail {
    display: grid;
    grid-template-columns: auto 1fr 46px;
    align-items: center;
    gap: 22px;
    padding: 18px;
}

.industry-rail > div {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.industry-rail span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    border: 1px solid var(--pro-line);
    border-radius: 999px;
    background: #fff;
    color: #405054;
    font-size: 13px;
    font-weight: 700;
}

.industry-rail span i {
    color: var(--pro-green);
}

.industry-rail > a {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    border-radius: 50%;
    background: var(--pro-green);
    color: #fff;
    text-decoration: none;
}

.cta-premium {
    position: relative;
    overflow: hidden;
    background: #101a1d;
}

.cta-premium::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.22;
    background:
        linear-gradient(90deg, transparent 0 44px, rgba(255, 255, 255, 0.18) 44px 45px, transparent 45px),
        linear-gradient(transparent 0 44px, rgba(255, 255, 255, 0.16) 44px 45px, transparent 45px);
    background-size: 45px 45px;
}

.cta-premium > * {
    position: relative;
    z-index: 1;
}

.cta-premium p {
    max-width: 660px;
    margin-top: 12px;
    color: rgba(255, 255, 255, 0.68);
}

[data-reveal],
[data-reveal-stagger] > * {
    opacity: 1;
    transform: translateY(0);
}

.is-visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.site-progress {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 2000;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--pro-green), var(--pro-copper));
}

@media (max-width: 1120px) {
    .hero-pro-inner,
    .interface-grid {
        grid-template-columns: 1fr;
    }

    .quick-product-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .hero-command-panel {
        max-width: 620px;
    }
}

@media (max-width: 760px) {
    .hero-pro {
        min-height: auto;
        padding: 64px 0 92px;
    }

    .hero-pro-inner {
        gap: 34px;
    }

    .hero-pro .hero-title {
        font-size: 38px;
        max-width: none;
        width: 100%;
    }

    .hero-pro .hero-desc {
        max-width: 100%;
        width: 100%;
        font-size: 16px;
        line-height: 1.75;
    }

    .hero-command-panel,
    .hero-pro-copy {
        width: 100%;
        max-width: min(100%, 354px) !important;
        min-width: 0;
    }

    .finder-grid input,
    .finder-grid select {
        min-width: 0;
        width: 100%;
    }

    .hero-proof-row,
    .quick-product-strip,
    .industry-rail {
        grid-template-columns: 1fr;
    }

    .quick-product-strip {
        transform: translateY(-28px);
    }

    .hero-command-panel,
    .panel-title-row,
    .document-band,
    .cta-panel {
        padding: 22px;
    }

    .panel-title-row,
    .industry-rail {
        align-items: flex-start;
    }

    .spec-matrix {
        min-width: 760px;
    }

    .application-row {
        grid-template-columns: 46px 1fr;
    }

    .application-row > .fa-arrow-right-long {
        display: none;
    }

    .sticky-copy {
        position: static;
    }
}

/* Final page-shell correction, kept at file end for cascade priority. */
.page-hero {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(90deg, rgba(17, 27, 31, 0.95), rgba(17, 27, 31, 0.72)),
        url('../images/bg-mineral.png') center / cover no-repeat !important;
    border-bottom: 0;
    color: #fff;
}

.page-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.24;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 76px 76px;
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    color: #fff;
}

.page-hero p {
    color: rgba(255, 255, 255, 0.72);
}