/* ============================================================
   Triva Packs — UI modeled on sivagroup.co.uk
   Dark theme dominant, full-bleed sections, Montserrat + Poppins
   ============================================================ */

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

:root {
    /* Colors — dark dominant palette (default) */
    --color-black: #0a0a0a;
    --color-dark: #111111;
    --color-dark-alt: #1a1a1a;
    --color-dark-lighter: #222222;
    --color-gray-dark: #333333;
    --color-gray: #666666;
    --color-gray-light: #999999;
    --color-gray-lighter: #cccccc;
    --color-light: #f5f5f5;
    --color-white: #ffffff;
    --color-accent: #ffffff;

    /* Semantic tokens */
    --bg: #111111;
    --bg-alt: #0a0a0a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --text: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.7);
    --text-faint: rgba(255, 255, 255, 0.5);
    --text-ghost: rgba(255, 255, 255, 0.3);
    --border: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.25);
    --number-ghost: rgba(255, 255, 255, 0.2);
    --overlay: rgba(0, 0, 0, 0.7);
    --header-bg: rgba(17, 17, 17, 0.95);
    --btn-text: #111111;
    --btn-bg: #ffffff;
    --btn-border: #ffffff;
    --btn-outline-text: #ffffff;
    --btn-outline-border: rgba(255, 255, 255, 0.4);

    /* Typography */
    --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Layout */
    --max-width: 1500px;
    --page-gutter: 4vw;
    --mobile-gutter: 6vw;
    --section-padding: clamp(80px, 10vw, 120px);

    /* Transitions */
    --transition: 0.3s ease;
    --transition-slow: 0.65s ease;
}

/* Light theme overrides */
[data-theme="light"] {
    --bg: #ffffff;
    --bg-alt: #f5f5f5;
    --bg-card: rgba(0, 0, 0, 0.03);
    --bg-card-hover: rgba(0, 0, 0, 0.06);
    --text: #111111;
    --text-muted: rgba(0, 0, 0, 0.65);
    --text-faint: rgba(0, 0, 0, 0.5);
    --text-ghost: rgba(0, 0, 0, 0.3);
    --border: rgba(0, 0, 0, 0.1);
    --border-hover: rgba(0, 0, 0, 0.25);
    --number-ghost: rgba(0, 0, 0, 0.06);
    --overlay: rgba(0, 0, 0, 0.6);
    --header-bg: rgba(255, 255, 255, 0.95);
    --btn-text: #ffffff;
    --btn-bg: #111111;
    --btn-border: #111111;
    --btn-outline-text: #111111;
    --btn-outline-border: rgba(0, 0, 0, 0.3);

    --color-dark: #ffffff;
    --color-dark-alt: #f5f5f5;
    --color-black: #f9f9f9;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background 0.4s ease, color 0.4s ease;
}

img, video {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: inherit;
    text-decoration: none;
    transition: opacity var(--transition);
}

a:hover {
    opacity: 0.8;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
}

ul, ol {
    list-style: none;
}

::selection {
    background: var(--color-white);
    color: var(--color-black);
}

:focus-visible {
    outline: 2px solid var(--color-white);
    outline-offset: 3px;
}

/* ============================================================
   LAYOUT
   ============================================================ */

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--page-gutter);
}

.section {
    padding: var(--section-padding) 0;
}

.section--dark {
    background: var(--bg);
}

.section--darker {
    background: var(--bg-alt);
}

.section--light {
    background: var(--color-light);
    color: var(--color-dark);
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

.section__eyebrow {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: var(--color-gray-light);
}

.section--light .section__eyebrow {
    color: var(--color-gray);
}

.section__title {
    font-size: clamp(2rem, 4.5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 30px;
    white-space: pre-wrap;
}

.section--light .section__title {
    color: var(--color-dark);
}

/* ============================================================
   BUTTONS — pill-shaped outline (SIVA style)
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 50px;
    transition: all var(--transition);
    white-space: nowrap;
    cursor: pointer;
    border: 1.5px solid transparent;
    letter-spacing: 0.02em;
}

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

.btn--primary:hover {
    background: var(--color-white);
    color: var(--color-dark);
    opacity: 1;
}

.btn--solid {
    background: var(--color-white);
    color: var(--color-dark);
    border-color: var(--color-white);
}

.btn--solid:hover {
    background: transparent;
    color: var(--color-white);
    opacity: 1;
}

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

.btn--dark:hover {
    background: var(--color-dark);
    color: var(--color-white);
    opacity: 1;
}

/* ============================================================
   HEADER — transparent, fixed, scroll-back
   ============================================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.4vw 0;
    transition: all var(--transition);
}

.header--scrolled {
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 12px 0;
}

.header--hidden {
    transform: translateY(-100%);
}

.header__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--page-gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.theme-toggle {
    order: 3;
}

.header__logo {
    display: flex;
    align-items: center;
    z-index: 10;
}

.header__logo-img {
    height: 48px;
    width: auto;
    transition: filter var(--transition);
}

/* Dark mode (default): show original logo (dark blue bg + white text works on dark) */

/* When scrolled in dark mode: same */
.header--scrolled .header__logo-img {
    /* no change needed */
}

.header__nav {
    display: flex;
    align-items: center;
    gap: 0;
}

.header__nav-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 10px 18px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-white);
    transition: opacity var(--transition);
}

.header__nav-link:hover {
    opacity: 0.7;
}

/* Dropdown */
.header__nav-dropdown {
    position: relative;
}

.header__nav-dropdown-toggle svg {
    transition: transform var(--transition);
    width: 10px;
    height: 6px;
}

.header__nav-dropdown:hover .header__nav-dropdown-toggle svg {
    transform: rotate(180deg);
}

.header__nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 220px;
    padding: 12px;
    background: var(--color-dark-alt);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

.header__nav-dropdown:hover .header__nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
}

.header__nav-dropdown-menu a {
    display: block;
    padding: 10px 14px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-gray-lighter);
    border-radius: 4px;
    transition: all 0.2s ease;
}

.header__nav-dropdown-menu a:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-white);
    opacity: 1;
}

/* Burger */
.header__burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 6px;
    z-index: 10;
    order: 2;
}

.header__burger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: all var(--transition);
}

.header__burger.is-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.header__burger.is-active span:nth-child(2) {
    opacity: 0;
}
.header__burger.is-active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: var(--color-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.mobile-menu.is-active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu__nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.mobile-menu__link {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-white);
    padding: 10px 20px;
    transition: opacity var(--transition);
}

.mobile-menu__link:hover,
.mobile-menu__link.active {
    opacity: 0.6;
}

/* ============================================================
   HERO — full-bleed video background
   ============================================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background: var(--color-black);
}

.hero__video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
}

.hero__image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.5;
}

.hero__bg picture {
    position: absolute;
    inset: 0;
    display: block;
}

.hero__bg picture img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.5) 100%);
}

.hero__content {
    position: relative;
    z-index: 2;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 7vw, 5.5rem);
    font-weight: 700;
    line-height: 1.05;
    color: var(--color-white);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero__title-accent {
    display: block;
}

.hero__subtitle {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 36px;
    max-width: 600px;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about__content p {
    font-size: 1.05rem;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

.about__content .btn {
    margin-top: 16px;
}

.about__visual {
    display: flex;
    justify-content: center;
}

.about__visual-card {
    border-radius: 8px;
    overflow: hidden;
    width: 100%;
}

.about__visual-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    min-height: 400px;
}

.about__visual-video {
    width: 100%;
    height: auto;
    border-radius: 8px;
    min-height: 300px;
    object-fit: cover;
}

/* ============================================================
   SUSTAINABILITY SECTION
   ============================================================ */

.sustainability__top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}

.sustainability__text p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 16px;
    line-height: 1.8;
}

.sustainability__media {
    border-radius: 8px;
    overflow: hidden;
}

.sustainability__media video {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

.sustainability__stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.sustainability__stat {
    padding: 32px 24px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    text-align: center;
}

.sustainability__stat-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 8px;
    line-height: 1;
}

.sustainability__stat-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ============================================================
   CAPABILITIES SECTION (homepage tiles)
   ============================================================ */

.capabilities__featured {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.capabilities__row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.cap-tile {
    position: relative;
    display: block;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: var(--color-dark-lighter);
}

.cap-tile--large {
    aspect-ratio: 16 / 9;
}

.cap-tile video,
.cap-tile img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.cap-tile:hover video,
.cap-tile:hover img {
    transform: scale(1.04);
}

.cap-tile__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px;
    background: linear-gradient(0deg, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.1) 60%, transparent 100%);
    transition: background var(--transition);
}

.cap-tile:hover .cap-tile__overlay {
    background: linear-gradient(0deg, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
}

.cap-tile__overlay h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 6px;
}

.cap-tile__overlay p {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 10px;
    max-width: 400px;
}

.cap-tile__link {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-white);
    opacity: 0;
    transform: translateY(6px);
    transition: all var(--transition);
}

.cap-tile:hover .cap-tile__link {
    opacity: 1;
    transform: translateY(0);
}

/* Capabilities showreel */
.capabilities__showreel {
    margin-top: 48px;
    border-radius: 8px;
    overflow: hidden;
}

.capabilities__showreel video {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

/* Sustainability video (homepage) */

/* ============================================================
   PRODUCTS SECTION
   ============================================================ */

.products__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.product-tile {
    position: relative;
    display: block;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    background: var(--color-dark-lighter);
}

.product-tile__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-tile picture {
    position: absolute;
    inset: 0;
    display: block;
}

.product-tile picture img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.product-tile:hover .product-tile__img,
.product-tile:hover picture img {
    transform: scale(1.05);
}

.product-tile__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 32px;
    background: linear-gradient(0deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.15) 50%, transparent 100%);
}

.product-tile__title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 6px;
}

.product-tile__desc {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
}

/* ============================================================
   PEOPLE SECTION — two-column with image
   ============================================================ */

.people__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.people__content p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 16px;
}

.people__content .btn {
    margin-top: 16px;
}

.people__image {
    border-radius: 8px;
    overflow: hidden;
}

.people__image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

/* ============================================================
   CTA SECTION — full-bleed image
   ============================================================ */

.cta {
    position: relative;
    padding: var(--section-padding) 0;
    overflow: hidden;
}

.cta__bg {
    position: absolute;
    inset: 0;
}

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

.cta__bg-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.72);
}

.cta__inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 680px;
    margin: 0 auto;
}

.cta__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 20px;
}

.cta__text {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.8;
    margin-bottom: 8px;
}

.cta__prompt {
    font-size: 1.05rem;
    color: var(--color-white);
    font-weight: 500;
    margin-bottom: 32px;
}

/* ============================================================
   FOOTER — minimal (SIVA style)
   ============================================================ */

.footer {
    background: var(--color-dark-alt);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 60px 0 40px;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer__logo {
    display: inline-block;
    margin-bottom: 16px;
}

.footer__logo-img {
    height: 44px;
    width: auto;
}

.footer__tagline {
    font-size: 0.88rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.4);
}

.footer__location h4,
.footer__links h4 {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 16px;
}

.footer__location p {
    font-size: 0.85rem;
    margin-bottom: 4px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.6);
}

.footer__location strong {
    color: var(--color-white);
}

.footer__contact-line {
    margin-top: 12px;
}

.footer__contact-line a {
    color: var(--color-white);
    opacity: 0.8;
}

.footer__links ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer__links a {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition);
}

.footer__links a:hover {
    color: var(--color-white);
    opacity: 1;
}

.footer__bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
}

.footer__bottom p {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.3);
}

/* ============================================================
   PAGE HEADER (inner pages)
   ============================================================ */

.page-header {
    position: relative;
    background: var(--color-black);
    padding: 180px 0 80px;
    text-align: center;
    overflow: hidden;
}

.page-header__bg {
    position: absolute;
    inset: 0;
    display: block;
}

.page-header__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.page-header__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

.page-header h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 16px;
}

.page-header p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.6);
    max-width: 560px;
    margin: 0 auto;
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */

.about-page__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-page__text h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 24px;
}

.about-page__text p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-page__visual {
    border-radius: 8px;
    overflow: hidden;
    min-height: 400px;
}

.about-page__visual-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 400px;
    border-radius: 8px;
}

/* Vision */
.vision {
    background: var(--color-dark-alt);
    text-align: center;
}

.vision__statement {
    font-family: var(--font-heading);
    font-size: clamp(1.2rem, 2.2vw, 1.6rem);
    font-weight: 500;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
    max-width: 800px;
    margin: 0 auto;
    font-style: italic;
}

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

.diff-card {
    padding: 36px 28px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    transition: all var(--transition);
}

.diff-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.2);
}

.diff-card__icon {
    font-size: 1.8rem;
    margin-bottom: 16px;
}

.diff-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 12px;
}

.diff-card p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-bottom: 16px;
}

.diff-card ul {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.diff-card ul li {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.5);
    padding-left: 16px;
    position: relative;
}

.diff-card ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: rgba(255, 255, 255, 0.4);
}

/* Differentiators — about page (horizontal blocks) */
.differ-alt {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.differ-alt__item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 40px;
    padding: 48px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    align-items: start;
}

.differ-alt__item:first-child {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.differ-alt__item:last-child {
    border-bottom: none;
}

.differ-alt__left {
    position: relative;
}

.differ-alt__num {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.2);
    line-height: 1;
}

.differ-alt__right h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 12px;
}

.differ-alt__right p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    margin-bottom: 20px;
    max-width: 640px;
}

.differ-alt__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.differ-alt__tags span {
    display: inline-block;
    padding: 6px 14px;
    font-size: 0.75rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50px;
}

/* Values */
.values__header {
    margin-bottom: 48px;
}

.values__strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.values__item {
    padding: 32px 28px;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    transition: background var(--transition);
}

.values__item:hover {
    background: rgba(255, 255, 255, 0.03);
}

.values__item-num {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.25);
    margin-bottom: 20px;
    line-height: 1;
}

.values__item h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 10px;
}

.values__item p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
}

/* ============================================================
   PRODUCTS PAGE
   ============================================================ */

/* Product gallery grid */
.prod-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 36px;
}

.prod-filter {
    padding: 10px 20px;
    font-family: var(--font-body);
    font-size: 0.82rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition);
}

.prod-filter:hover {
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.3);
}

.prod-filter.active {
    color: var(--color-dark);
    background: var(--color-white);
    border-color: var(--color-white);
}

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

.prod-item {
    display: block;
    border-radius: 8px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition);
    text-align: center;
}

.prod-item:hover {
    border-color: rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-4px);
    opacity: 1;
}

.prod-item__img {
    padding: 24px 24px 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px;
}

.prod-item__img img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    transition: transform var(--transition);
}

.prod-item:hover .prod-item__img img {
    transform: scale(1.05);
}

.prod-item h3 {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-white);
    padding: 12px 16px 20px;
}

.prod-item.is-hidden {
    display: none;
}

/* Related products (limited width) */
.prod-gallery--related {
    grid-template-columns: repeat(4, 1fr);
}

/* ============================================================
   SINGLE PRODUCT PAGE
   ============================================================ */

.product-detail {
    padding: 140px 0 var(--section-padding);
}

.product-detail__breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 48px;
}

.product-detail__breadcrumb a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition);
}

.product-detail__breadcrumb a:hover {
    color: var(--color-white);
    opacity: 1;
}

.product-detail__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: start;
}

.product-detail__image-wrap {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.product-detail__image-wrap img {
    max-width: 100%;
    max-height: 360px;
    object-fit: contain;
}

.product-detail__category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}

.product-detail__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 20px;
    line-height: 1.15;
}

.product-detail__desc {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 36px;
}

.product-detail__features {
    margin-bottom: 32px;
}

.product-detail__features h2,
.product-detail__applications h2 {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.product-detail__features ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.product-detail__features ul li {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.65);
    padding-left: 20px;
    position: relative;
    line-height: 1.5;
}

.product-detail__features ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
}

.product-detail__applications {
    margin-bottom: 36px;
}

.product-detail__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.product-detail__tags span {
    display: inline-block;
    padding: 7px 14px;
    font-size: 0.78rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50px;
}

/* Why grid */
.why-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: start;
}

.why-grid__items {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.why-item {
    display: flex;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    align-items: flex-start;
}

.why-item:last-child {
    border-bottom: none;
}

.why-item__num {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.25);
    flex-shrink: 0;
    line-height: 1;
    width: 36px;
}

.why-item h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 6px;
}

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

/* Industries — detailed list (products page) */
.industries-section {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: start;
}

.industries-section__desc {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-top: 16px;
}

.industries-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.industries-list__item {
    display: flex;
    gap: 14px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    align-items: flex-start;
    transition: all var(--transition);
}

.industries-list__item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.18);
}

.industries-list__icon {
    font-size: 1.3rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.industries-list__item h4 {
    font-family: var(--font-heading);
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 4px;
}

.industries-list__item p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.5;
}

/* Industries — simple grid (homepage) */
.industries__grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.industry-card {
    text-align: center;
    padding: 24px 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    transition: all var(--transition);
}

.industry-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.2);
}

.industry-card__icon {
    font-size: 1.5rem;
    display: block;
    margin-bottom: 8px;
}

.industry-card__label {
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
}

/* Features section */
.features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 36px 28px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
}

.feature-card__icon {
    font-size: 1.8rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-bottom: 14px;
}

.feature-card ul {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.feature-card ul li {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    padding-left: 16px;
    position: relative;
}

.feature-card ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: rgba(255, 255, 255, 0.4);
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */

/* Side-by-side layout: form left, info right */
.contact__layout {
    display: grid;
    grid-template-columns: 1.4fr 0.6fr;
    gap: 60px;
    align-items: start;
}

.contact__form .section__title {
    margin-bottom: 28px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 16px;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    transition: border-color var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.5);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23999' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-group select option {
    background: var(--color-dark);
    color: var(--color-white);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Sidebar card */
.contact__sidebar-card {
    padding: 32px 28px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
}

.contact__sidebar-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.contact__sidebar-item {
    display: flex;
    gap: 14px;
    margin-bottom: 20px;
    align-items: flex-start;
}

.contact__sidebar-item:last-child {
    margin-bottom: 0;
}

.contact__sidebar-item span {
    font-size: 1.2rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.contact__sidebar-item strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 4px;
}

.contact__sidebar-item p {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

.contact__sidebar-item a {
    color: var(--color-white);
}

/* What to expect card */
.contact__sidebar-card--alt {
    margin-top: 16px;
}

.contact__expect {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact__expect-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.contact__expect-num {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.3);
    flex-shrink: 0;
    width: 20px;
}

.contact__expect-item p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
}

/* FAQ section */
.faq-section {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: start;
}

.faq-section__header {
    position: sticky;
    top: 120px;
}

.faq__grid {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-item__header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 0;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-white);
    text-align: left;
    cursor: pointer;
}

.faq-item__header svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    transition: transform var(--transition);
    color: rgba(255, 255, 255, 0.5);
}

.faq-item.is-open .faq-item__header svg {
    transform: rotate(180deg);
}

.faq-item__body {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
}

.faq-item__body p {
    padding-bottom: 22px;
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

/* Form status */
.form-status {
    padding: 14px 18px;
    border-radius: 8px;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.form-status.success {
    background: rgba(34, 197, 94, 0.1);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.form-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ============================================================
   SUSTAINABILITY PAGE
   ============================================================ */

/* Approach section */
.approach__header {
    margin-bottom: 48px;
}

.approach__grid {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.approach-card {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 32px;
    padding: 40px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: background var(--transition);
}

.approach-card:last-child {
    border-bottom: none;
}

.approach-card:hover {
    background: rgba(255, 255, 255, 0.02);
    margin: 0 -24px;
    padding-left: 24px;
    padding-right: 24px;
    border-radius: 8px;
}

.approach-card__number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.25);
    line-height: 1;
    padding-top: 4px;
}

.approach-card__content h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 10px;
}

.approach-card__content p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-bottom: 16px;
    max-width: 600px;
}

.approach-card__content ul {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 24px;
}

.approach-card__content ul li {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.5);
    padding-left: 14px;
    position: relative;
}

.approach-card__content ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
}

.sustainability-page__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.sustainability__visual {
    border-radius: 8px;
    overflow: hidden;
}

.sustainability__video {
    width: 100%;
    height: auto;
    border-radius: 8px;
    min-height: 300px;
    object-fit: cover;
}

.sustainability-page__text p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 16px;
}

.sustainability-page__text ul {
    margin: 16px 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sustainability-page__text ul li {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    padding-left: 20px;
    position: relative;
}

.sustainability-page__text ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================================
   CAPABILITIES PAGE
   ============================================================ */

.capability-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 60px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.capability-detail:last-child {
    border-bottom: none;
}

.capability-detail:nth-child(even) {
    direction: rtl;
}

.capability-detail:nth-child(even) > * {
    direction: ltr;
}

.capability-detail__content h2 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 16px;
}

.capability-detail__content p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 16px;
}

.capability-detail__visual {
    border-radius: 8px;
    overflow: hidden;
    min-height: 280px;
    background: var(--color-dark-lighter);
}

.capability-detail__video,
.capability-detail__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 280px;
    border-radius: 8px;
}

/* ============================================================
   LIGHT MODE OVERRIDES
   ============================================================ */

[data-theme="light"] body {
    background: var(--bg);
    color: var(--text);
}

[data-theme="light"] .header__nav-link,
[data-theme="light"] .header__nav-dropdown-toggle {
    color: var(--text);
}

/* On pages with dark headers (page-header with bg image), override to white */
[data-theme="light"] .header--over-dark .header__nav-link,
[data-theme="light"] .header--over-dark .header__nav-dropdown-toggle {
    color: #ffffff;
}

[data-theme="light"] .header--over-dark .header__logo-img {
    filter: none;
}

[data-theme="light"] .header--over-dark .header__burger span {
    background: #ffffff;
}

[data-theme="light"] .header--over-dark .theme-toggle {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    color: #ffffff;
}

[data-theme="light"] .header__logo-img {
    filter: none;
}

[data-theme="light"] .header--scrolled .header__logo-img {
    filter: none;
}

[data-theme="light"] .header--scrolled .header__nav-link,
[data-theme="light"] .header--scrolled .header__nav-dropdown-toggle {
    color: var(--text);
}



[data-theme="light"] .header__burger span {
    background: var(--text);
}

[data-theme="light"] .header--over-dark .header__burger span {
    background: #ffffff;
}

[data-theme="light"] .header--scrolled .header__burger span {
    background: var(--text);
}

[data-theme="light"] .theme-toggle {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.1);
    color: var(--text);
}

[data-theme="light"] .header--over-dark .theme-toggle {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    color: #ffffff;
}

[data-theme="light"] .header--scrolled .theme-toggle {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.1);
    color: var(--text);
}

[data-theme="light"] .header__nav-dropdown-menu {
    background: #ffffff;
    border-color: var(--border);
}

[data-theme="light"] .header__nav-dropdown-menu a {
    color: var(--text-muted);
}

[data-theme="light"] .header__nav-dropdown-menu a:hover {
    background: var(--bg-alt);
    color: var(--text);
}

[data-theme="light"] .mobile-menu {
    background: #ffffff;
}

[data-theme="light"] .mobile-menu__link {
    color: var(--text);
}

[data-theme="light"] .mobile-menu__link.active {
    opacity: 0.4;
}

[data-theme="light"] .mobile-menu.is-active ~ .header .header__burger span,
[data-theme="light"] .header__burger.is-active span {
    background: var(--text);
}

[data-theme="light"] .header__burger.is-active span {
    background: #111111;
}

[data-theme="light"] .section__eyebrow {
    color: var(--text-faint);
}

[data-theme="light"] .section__title {
    color: var(--text);
}

[data-theme="light"] .hero {
    color: #ffffff;
}

[data-theme="light"] .hero__overlay {
    background: linear-gradient(180deg, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.65) 100%);
}

[data-theme="light"] .hero__image,
[data-theme="light"] .hero__bg picture img {
    opacity: 1;
}

[data-theme="light"] .hero .section__eyebrow,
[data-theme="light"] .hero .section__title,
[data-theme="light"] .hero__title,
[data-theme="light"] .hero__subtitle {
    color: #ffffff;
}

[data-theme="light"] .btn--primary {
    background: var(--btn-bg);
    color: var(--btn-text);
    border-color: var(--btn-border);
}

[data-theme="light"] .btn--primary:hover {
    background: transparent;
    color: var(--text);
    border-color: var(--text);
}

[data-theme="light"] .hero .btn--primary {
    background: #ffffff;
    color: #111111;
    border-color: #ffffff;
}

[data-theme="light"] .about__content p,
[data-theme="light"] .people__content p,
[data-theme="light"] .sustainability__text p,
[data-theme="light"] .sustainability-page__text p {
    color: var(--text-muted);
}

[data-theme="light"] .sustainability__stat,
[data-theme="light"] .capability-card,
[data-theme="light"] .product-tile,
[data-theme="light"] .prod-item,
[data-theme="light"] .diff-card,
[data-theme="light"] .feature-card,
[data-theme="light"] .industry-card,
[data-theme="light"] .industries-list__item,
[data-theme="light"] .contact__sidebar-card,
[data-theme="light"] .info-card {
    background: var(--bg-card);
    border-color: var(--border);
}

[data-theme="light"] .sustainability__stat:hover,
[data-theme="light"] .prod-item:hover,
[data-theme="light"] .industries-list__item:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
}

[data-theme="light"] .industries-section__desc {
    color: var(--text-muted);
}

[data-theme="light"] .product-tile__title {
    color: #ffffff;
}

[data-theme="light"] .product-tile__desc {
    color: rgba(255, 255, 255, 0.8);
}

[data-theme="light"] .sustainability__stat-value,
[data-theme="light"] .cap-tile__overlay h3,
[data-theme="light"] .prod-item h3,
[data-theme="light"] .diff-card h3,
[data-theme="light"] .feature-card h3,
[data-theme="light"] .capability-card__body h3,
[data-theme="light"] .industries-list__item h4,
[data-theme="light"] .contact__sidebar-card h3,
[data-theme="light"] .contact__sidebar-item strong {
    color: var(--text);
}

[data-theme="light"] .contact__sidebar-item p,
[data-theme="light"] .contact__expect-item p {
    color: var(--text-muted);
}

[data-theme="light"] .contact__expect-num {
    color: rgba(0, 0, 0, 0.35);
}

[data-theme="light"] .contact__sidebar-item a {
    color: var(--text);
}
[data-theme="light"] .approach-card__content h3,
[data-theme="light"] .differ-alt__right h3,
[data-theme="light"] .values__item h3,
[data-theme="light"] .why-item h3,
[data-theme="light"] .faq-item__header,
[data-theme="light"] .product-detail__breadcrumb {
    color: var(--text-faint);
}

[data-theme="light"] .product-detail__breadcrumb a {
    color: var(--text-muted);
}

[data-theme="light"] .product-detail__category {
    color: var(--text-faint);
}

[data-theme="light"] .product-detail__title {
    color: var(--text);
}

[data-theme="light"] .product-detail__desc {
    color: var(--text-muted);
}

[data-theme="light"] .product-detail__features h2,
[data-theme="light"] .product-detail__applications h2 {
    color: var(--text);
    border-color: var(--border);
}

[data-theme="light"] .product-detail__features ul li {
    color: var(--text-muted);
}

[data-theme="light"] .product-detail__features ul li::before {
    background: rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .product-detail__image-wrap {
    background: var(--bg-card);
    border-color: var(--border);
}

[data-theme="light"] .sustainability__stat-label,
[data-theme="light"] .prod-item p,
[data-theme="light"] .diff-card p,
[data-theme="light"] .feature-card p,
[data-theme="light"] .capability-card__body p,
[data-theme="light"] .industries-list__item p,
[data-theme="light"] .contact__sidebar-item p,
[data-theme="light"] .approach-card__content p,
[data-theme="light"] .differ-alt__right p,
[data-theme="light"] .values__item p,
[data-theme="light"] .why-item p,
[data-theme="light"] .faq-item__body p,
[data-theme="light"] .product-detail__desc,
[data-theme="light"] .product-detail__features ul li {
    color: var(--text-muted);
}

[data-theme="light"] .approach-card__number,
[data-theme="light"] .differ-alt__num,
[data-theme="light"] .values__item-num,
[data-theme="light"] .why-item__num {
    color: rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .approach-card,
[data-theme="light"] .differ-alt__item,
[data-theme="light"] .faq-item,
[data-theme="light"] .approach__grid,
[data-theme="light"] .faq__grid {
    border-color: var(--border);
}

[data-theme="light"] .differ-alt__tags span,
[data-theme="light"] .product-detail__tags span {
    color: var(--text-muted);
    background: var(--bg-card);
    border-color: var(--border);
}

[data-theme="light"] .differ-alt__right p {
    color: var(--text-muted);
}

[data-theme="light"] .differ-alt__item {
    border-color: var(--border);
}

[data-theme="light"] .section--darker {
    background: var(--bg-alt);
}

[data-theme="light"] .prod-filter {
    color: var(--text-muted);
    background: var(--bg-card);
    border-color: var(--border);
}

[data-theme="light"] .prod-filter.active {
    color: #ffffff;
    background: #111111;
    border-color: #111111;
}

[data-theme="light"] .footer {
    background: #111111;
    color: rgba(255, 255, 255, 0.7);
}

[data-theme="light"] .footer .footer__logo-img {
    /* Footer is always dark, original logo works */
}

[data-theme="light"] .cta,
[data-theme="light"] .page-header {
    color: #ffffff;
}

[data-theme="light"] .cta {
    background: #111111;
}

[data-theme="light"] .section--dark.cta {
    background: #111111;
}

[data-theme="light"] .cta__title,
[data-theme="light"] .cta__text,
[data-theme="light"] .cta__prompt {
    color: #ffffff;
}

[data-theme="light"] .cta .btn--primary {
    background: #ffffff;
    color: #111111;
    border-color: #ffffff;
}

[data-theme="light"] .cta .btn--primary:hover {
    background: transparent;
    color: #ffffff;
    border-color: #ffffff;
}

[data-theme="light"] .page-header h1,
[data-theme="light"] .page-header p {
    color: #ffffff;
}

[data-theme="light"] .about-page__text h2 {
    color: var(--text);
}

[data-theme="light"] .about-page__text p {
    color: var(--text-muted);
}

[data-theme="light"] .vision {
    background: var(--bg-alt);
}

[data-theme="light"] .vision__statement {
    color: var(--text-muted);
}

[data-theme="light"] .contact__form h2,
[data-theme="light"] .contact__form .section__title,
[data-theme="light"] .contact__info h2 {
    color: var(--text);
}

[data-theme="light"] .contact__form > p {
    color: var(--text-muted);
}

[data-theme="light"] .form-group input,
[data-theme="light"] .form-group select,
[data-theme="light"] .form-group textarea {
    color: var(--text);
    background: var(--bg-card);
    border-color: var(--border);
}

[data-theme="light"] .form-group input::placeholder,
[data-theme="light"] .form-group textarea::placeholder {
    color: var(--text-ghost);
}

[data-theme="light"] .form-group label {
    color: var(--text-faint);
}

[data-theme="light"] .values__strip {
    border-color: var(--border);
}

[data-theme="light"] .values__item {
    border-color: var(--border);
}

[data-theme="light"] .capabilities__featured .cap-tile,
[data-theme="light"] .capabilities__row .cap-tile {
    /* Keep dark overlays on image/video tiles for readability */
}

[data-theme="light"] .cap-tile__overlay h3,
[data-theme="light"] .cap-tile__overlay p,
[data-theme="light"] .cap-tile__link {
    color: #ffffff;
}

[data-theme="light"] .capability-detail__content h2 {
    color: var(--text);
}

[data-theme="light"] .capability-detail__content p {
    color: var(--text-muted);
}

[data-theme="light"] .capability-detail__content .section__eyebrow {
    color: var(--text-faint);
}

[data-theme="light"] .people__image img,
[data-theme="light"] .about__visual-video,
[data-theme="light"] .about-page__visual-img {
    border-radius: 8px;
}

/* Theme toggle button */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition);
    flex-shrink: 0;
}

.theme-toggle__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    line-height: 0;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
}

[data-theme="light"] .theme-toggle {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .theme-toggle:hover {
    background: rgba(0, 0, 0, 0.1);
}

/* ============================================================
   SCROLL ANIMATIONS — fade in on scroll
   ============================================================ */

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
    transition-delay: var(--reveal-delay, 0ms);
}

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

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

@media (max-width: 968px) {
    :root {
        --page-gutter: var(--mobile-gutter);
    }

    .header__nav {
        display: none;
    }

    .header__burger {
        display: flex;
    }

    .header__inner {
        flex-wrap: nowrap;
    }

    .header__logo {
        flex: 1;
    }

    /* Two-column grids → single column */
    .about__grid,
    .about-page__grid,
    .sustainability-page__grid,
    .sustainability__top,
    .people__layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .sustainability__stats-row {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Capabilities */
    .capabilities__featured {
        grid-template-columns: 1fr;
    }

    .capabilities__row {
        grid-template-columns: 1fr;
    }

    .cap-tile--large {
        aspect-ratio: 16 / 10;
    }

    /* Products */
    .products__grid,
    .prod-gallery {
        grid-template-columns: repeat(2, 1fr);
    }

    .prod-gallery--related {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-detail__grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .product-detail {
        padding: 120px 0 60px;
    }

    .why-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .features__grid,
    .differentiators__grid {
        grid-template-columns: 1fr;
    }

    /* Differentiators (about page) */
    .differ-alt__item {
        grid-template-columns: 60px 1fr;
        gap: 20px;
    }

    .differ-alt__num {
        font-size: 2.5rem;
    }

    /* Footer */
    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    /* Values */
    .values__strip {
        grid-template-columns: repeat(2, 1fr);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .values__item:nth-child(1),
    .values__item:nth-child(2) {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    /* Industries */
    .industries__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .industries-section {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .industries-list {
        grid-template-columns: 1fr 1fr;
    }

    /* Contact */
    .contact__layout {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .faq-section {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .faq-section__header {
        position: static;
    }

    /* Capabilities detail page */
    .capability-detail {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .capability-detail:nth-child(even) {
        direction: ltr;
    }

    /* Approach cards (sustainability) */
    .approach-card {
        grid-template-columns: 60px 1fr;
        gap: 20px;
        padding: 32px 0;
    }

    .approach-card__number {
        font-size: 2rem;
    }

    /* Page header */
    .page-header {
        padding: 140px 0 60px;
    }

    /* Section padding reduce */
    .section {
        padding: clamp(60px, 8vw, 100px) 0;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .hero__title {
        font-size: 2.2rem;
    }

    .hero__subtitle {
        font-size: 0.95rem;
    }

    /* Footer single column */
    .footer__grid {
        grid-template-columns: 1fr;
    }

    /* Values single column */
    .values__strip {
        grid-template-columns: 1fr;
        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .values__item {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .values__item:nth-child(1),
    .values__item:nth-child(2) {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .values__item:last-child {
        border-bottom: none;
    }

    /* Industries */
    .industries__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .industries-list {
        grid-template-columns: 1fr;
    }

    /* Products */
    .prod-gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .prod-item__img {
        height: 140px;
        padding: 16px 16px 8px;
    }

    .prod-item h3 {
        font-size: 0.8rem;
        padding: 8px 12px 14px;
    }

    /* Stats */
    .sustainability__stats-row {
        grid-template-columns: 1fr;
    }

    .sustainability__stat-value {
        font-size: 2rem;
    }

    /* Differentiators */
    .differ-alt__item {
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 32px 0;
    }

    .differ-alt__num {
        font-size: 2rem;
    }

    .differ-alt__tags {
        gap: 6px;
    }

    .differ-alt__tags span {
        font-size: 0.7rem;
        padding: 5px 10px;
    }

    /* Approach */
    .approach-card {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 28px 0;
    }

    .approach-card__number {
        font-size: 1.6rem;
    }

    .approach-card__content ul {
        flex-direction: column;
        gap: 4px;
    }

    /* Page header */
    .page-header {
        padding: 120px 0 48px;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    /* Section title */
    .section__title {
        font-size: 1.8rem;
    }

    /* Capability tiles */
    .cap-tile--large {
        aspect-ratio: 4 / 3;
    }

    .cap-tile__overlay {
        padding: 20px;
    }

    .cap-tile__overlay h3 {
        font-size: 1.1rem;
    }

    .cap-tile__overlay p {
        display: none;
    }

    .cap-tile__link {
        opacity: 1;
        transform: none;
    }

    /* Products grid on homepage */
    .products__grid {
        grid-template-columns: 1fr;
    }

    .product-tile {
        aspect-ratio: 16 / 10;
    }

    /* Mobile menu links */
    .mobile-menu__link {
        font-size: 1.4rem;
    }

    /* Buttons slightly smaller */
    .btn {
        padding: 12px 24px;
        font-size: 0.85rem;
    }

    /* Contact sidebar below form */
    .contact__sidebar-card {
        padding: 24px 20px;
    }

    /* CTA */
    .cta__title {
        font-size: 1.8rem;
    }

    /* People */
    .people__image img {
        border-radius: 8px;
    }
}