/* ============================================================
   EXOone – Main Stylesheet
   Apple-style vertical scroll, clean & modern
   ============================================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --dark-teal: #0d4c43;
    --teal: #008a7b;
    --light-teal: #75c4be;
    --mint: #5ae4d0;
    --pale-mint: #8fede0;
    --red: #e95557;
    --light-red: #f0888b;
    --gray: #c5c5c5;
    --dark-gray: #333;
    --light-bg: #f7f7f7;
    --white: #fff;
    --black: #111;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --max-width: 1200px;
    --section-padding: 120px 0;
    --transition: .3s ease;
}

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

body {
    font-family: var(--font-main);
    color: var(--dark-gray);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--teal); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--dark-teal); }

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

.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
}

/* ---------- Header / Navbar ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,.06);
    transition: all .4s ease;
}

.site-header .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 24px;
    padding-bottom: 0;
    transition: all .4s ease;
}

.logo { display: block; margin-bottom: 16px; transition: all .4s ease; }
.logo img, .logo svg { height: 80px; width: auto; transition: height .4s ease; }

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all .4s ease;
}

.main-nav a {
    font-size: .85rem;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--dark-gray);
    padding: 8px 16px;
    border-radius: 6px;
    transition: background var(--transition), color var(--transition);
}
.main-nav a:hover { background: var(--light-bg); color: var(--teal); }

/* Dropdown submenus */
.nav-dropdown {
    position: relative;
}
.nav-dropdown > .nav-dropdown-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-dropdown > .nav-dropdown-toggle::after {
    content: '';
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    margin-top: 1px;
}
.nav-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    border-radius: 0;
    box-shadow: 0 8px 24px rgba(0,0,0,.1);
    padding: 8px 0;
    min-width: 180px;
    z-index: 100;
}
.nav-dropdown-menu a {
    display: block;
    padding: 10px 20px !important;
    white-space: nowrap;
    font-size: .8rem !important;
    text-transform: none !important;
    letter-spacing: 0 !important;
}
.nav-dropdown-menu a:hover {
    background: transparent !important;
    color: var(--teal) !important;
    text-decoration: underline !important;
    text-underline-offset: 4px;
}
.nav-dropdown:hover > .nav-dropdown-menu {
    display: block;
}

.nav-quote {
    position: relative;
    display: flex;
    align-items: center;
    gap: 6px;
}
.nav-quote .badge {
    background: var(--teal);
    color: var(--white);
    font-size: .65rem;
    width: 20px; height: 20px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

/* Language selector */
.lang-sep {
    width: 1px;
    height: 16px;
    background: #ddd;
    margin: 0 4px;
}
.lang-switch {
    font-size: .75rem !important;
    font-weight: 700 !important;
    letter-spacing: .06em;
    color: #aaa !important;
    padding: 6px 8px !important;
    text-transform: uppercase;
}
.lang-switch:hover { color: var(--dark-gray) !important; background: transparent !important; }
.lang-switch.active { color: var(--black) !important; }

/* Scrolled compact header */
.site-header.scrolled .container {
    flex-direction: row;
    justify-content: space-between;
    padding-top: 0;
    padding-bottom: 0;
    height: 60px;
}
.site-header.scrolled .logo { margin-bottom: 0; }
.site-header.scrolled .logo img,
.site-header.scrolled .logo svg { height: 40px; }
.site-header.scrolled .main-nav { padding-bottom: 0; }

/* Mobile menu */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--black);
    margin: 5px 0;
    transition: var(--transition);
}

/* ---------- Hero A – Full-width background carousel ---------- */
.hero-a {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.hero-a-carousel {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-a-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1.2s ease;
}
.hero-a-slide.active { opacity: 1; }
.hero-a-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,.65) 0%, rgba(0,0,0,.3) 100%);
    z-index: 1;
}
.hero-a-content {
    position: relative;
    z-index: 2;
    color: var(--white);
    padding-top: 180px;
    padding-bottom: 100px;
    max-width: 620px;
}
.hero-a-content h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 20px;
}
.hero-a-content p {
    font-size: 1.15rem;
    color: rgba(255,255,255,.8);
    margin-bottom: 30px;
    max-width: 500px;
}
.search-bar-light {
    border-bottom-color: rgba(255,255,255,.4) !important;
}
.search-bar-light:focus-within { border-bottom-color: var(--white) !important; }
.search-bar-light input {
    color: var(--white) !important;
}
.search-bar-light input::placeholder { color: rgba(255,255,255,.5) !important; }
.cta-link-light {
    color: var(--mint) !important;
}
.cta-link-light:hover { color: var(--white) !important; }

/* ---------- Hero C – Asymmetric split carousel ---------- */
.hero-c {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    min-height: 100vh;
    padding-top: 120px;
    background: var(--white);
}
.hero-c-image {
    position: relative;
    overflow: hidden;
}
.hero-c-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1.2s ease;
}
.hero-c-slide.active { opacity: 1; }
.hero-c-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px 60px 60px 80px;
}
.hero-c-content h1 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.15;
    color: var(--black);
    margin-bottom: 20px;
}
.hero-c-content p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 30px;
    max-width: 480px;
}

/* ---------- Original Hero (kept for reference) ---------- */
.hero {
    padding: 220px 0 80px;
    background: var(--white);
}
.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.hero-image {
    background: var(--light-bg);
    border-radius: 16px;
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.hero-image img { width: 100%; height: 100%; object-fit: cover; border-radius: 16px; }
.hero-content h1 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.15;
    color: var(--black);
    margin-bottom: 20px;
}
.hero-content p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 30px;
    max-width: 480px;
}
.search-bar {
    display: flex;
    align-items: center;
    max-width: 400px;
    border: none;
    border-bottom: 2px solid #ccc;
    transition: border-color var(--transition);
    margin-bottom: 24px;
}
.search-bar:focus-within { border-bottom-color: var(--black); }
.search-bar input {
    flex: 1;
    border: none;
    padding: 10px 0;
    font-size: .95rem;
    font-family: var(--font-main);
    outline: none;
    background: transparent;
}
.search-bar input::placeholder { color: #999; }
.search-bar button {
    background: none;
    border: none;
    padding: 10px 4px 10px 12px;
    cursor: pointer;
    color: var(--black);
    font-size: 1rem;
    line-height: 1;
}
.cta-link {
    font-weight: 700;
    font-size: .9rem;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--teal);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.cta-link:hover { gap: 12px; }
.cta-link::after { content: '→'; transition: var(--transition); }

/* ---------- Features Grid ---------- */
.features {
    padding: 80px 0;
    background: var(--white);
    border-top: 1px solid #eee;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}
.feature-card {
    text-align: center;
    padding: 32px 20px;
}
.feature-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.feature-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 2px solid #ddd;
    transform: rotate(45deg);
}
.feature-icon svg { width: 28px; height: 28px; position: relative; z-index: 1; }
.feature-card h3 {
    font-size: .95rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--black);
}
.feature-card p {
    font-size: .85rem;
    color: #777;
    line-height: 1.5;
}

/* ---------- Two-Column Section (Lab / About) ---------- */
.split-section {
    padding: var(--section-padding);
}
.split-section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.split-section.reverse .container { direction: rtl; }
.split-section.reverse .container > * { direction: ltr; }

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

.split-content h2 {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--black);
    margin-bottom: 20px;
}
.split-content p {
    font-size: 1.05rem;
    color: #666;
    margin-bottom: 24px;
    max-width: 500px;
}
.split-image {
    background: var(--light-bg);
    border-radius: 16px;
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.split-image img { width: 100%; height: 100%; object-fit: cover; border-radius: 16px; }
.split-image .placeholder {
    color: var(--gray);
    font-size: .9rem;
    text-transform: uppercase;
    letter-spacing: .1em;
}

/* ---------- Formats Section ---------- */
.formats-section {
    padding: var(--section-padding);
    background: var(--white);
}
.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-header h2 {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--black);
    margin-bottom: 16px;
}
.section-header p {
    font-size: 1.05rem;
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

/* Format tabs */
.format-tabs {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 60px;
    background: var(--light-bg);
    border-radius: 12px;
    padding: 4px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}
.format-tab {
    padding: 12px 28px;
    border: none;
    background: transparent;
    font-family: var(--font-main);
    font-size: .9rem;
    font-weight: 600;
    color: #777;
    cursor: pointer;
    border-radius: 10px;
    transition: all var(--transition);
}
.format-tab:hover { color: var(--dark-gray); }
.format-tab.active {
    background: var(--white);
    color: var(--black);
    box-shadow: 0 1px 4px rgba(0,0,0,.1);
}

/* Format cards */
.format-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.format-card {
    background: var(--light-bg);
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}
.format-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,.08);
}
.format-card-image {
    aspect-ratio: 16/10;
    background: var(--white);
    border-radius: 12px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.format-card-image img {
    width: 80%;
    height: auto;
    object-fit: contain;
}
.format-card-image .placeholder {
    color: var(--gray);
    font-size: .8rem;
    text-transform: uppercase;
}
.format-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--black);
}
.format-card .subtitle {
    font-size: .85rem;
    color: var(--teal);
    font-weight: 600;
    margin-bottom: 12px;
}
.format-card p {
    font-size: .9rem;
    color: #777;
    line-height: 1.5;
}

/* ---------- Stats Bar ---------- */
.stats-bar {
    padding: 60px 0;
    background: var(--dark-teal);
    color: var(--white);
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}
.stat-item .stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 6px;
    display: block;
}
.stat-item .stat-label {
    font-size: .85rem;
    opacity: .7;
    text-transform: uppercase;
    letter-spacing: .06em;
}

/* ---------- Species Section ---------- */
.species-section {
    padding: var(--section-padding);
    background: var(--light-bg);
}
.species-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.species-card {
    background: var(--white);
    border-radius: 12px;
    padding: 32px 20px;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    position: relative;
    overflow: hidden;
}
.species-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--species-color, transparent);
    opacity: 0;
    transition: opacity .3s ease;
    z-index: 0;
}
.species-card:hover::before {
    opacity: .15;
}
.species-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0,0,0,.12);
    border-color: var(--species-color, #eee);
}
.species-card:hover h4 {
    color: var(--species-color, var(--dark-gray));
}
.species-card img, .species-card svg, .species-card h4, .species-card .species-view {
    position: relative;
    z-index: 1;
}
.species-card img, .species-card svg {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    transition: transform .4s ease;
}
.species-card:hover img, .species-card:hover svg {
    transform: scale(1.15);
}
.species-card .species-view {
    display: block;
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--species-color, var(--dark-gray));
    opacity: 0;
    transform: translateY(8px);
    transition: opacity .3s ease, transform .3s ease;
    margin-top: 8px;
}
.species-card:hover .species-view {
    opacity: 1;
    transform: translateY(0);
}
.species-card h4 {
    font-size: .8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--dark-gray);
    transition: color var(--transition);
}

/* ---------- CTA Banner ---------- */
.cta-banner {
    padding: 100px 0;
    background: var(--dark-teal);
    color: var(--white);
    text-align: center;
}
.cta-banner h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 16px;
}
.cta-banner p {
    font-size: 1.1rem;
    opacity: .8;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.btn-primary {
    display: inline-block;
    background: var(--white);
    color: var(--dark-teal);
    padding: 14px 36px;
    border-radius: 0;
    font-weight: 700;
    font-size: .9rem;
    letter-spacing: .04em;
    transition: transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,.2);
    color: var(--dark-teal);
}

.btn-outline {
    display: inline-block;
    border: 2px solid var(--teal);
    color: var(--teal);
    padding: 12px 32px;
    border-radius: 0;
    font-weight: 700;
    font-size: .9rem;
    letter-spacing: .04em;
    transition: all var(--transition);
}
.btn-outline:hover {
    background: var(--teal);
    color: var(--white);
}

.btn-filled {
    display: inline-block;
    background: var(--teal);
    color: var(--white);
    padding: 12px 32px;
    border-radius: 0;
    border: 2px solid var(--teal);
    font-weight: 700;
    font-size: .9rem;
    font-family: var(--font-main);
    letter-spacing: .04em;
    cursor: pointer;
    transition: all var(--transition);
}
.btn-filled:hover {
    background: transparent;
    color: var(--teal);
}

/* ---------- Footer ---------- */
.site-footer {
    padding: 60px 0 30px;
    background: var(--black);
    color: rgba(255,255,255,.6);
    font-size: .85rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-brand img, .footer-brand svg { height: 40px; margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer-brand p { max-width: 300px; line-height: 1.6; }

.footer-col h4 {
    color: var(--white);
    font-size: .8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 16px;
}
.footer-col a {
    display: block;
    color: rgba(255,255,255,.6);
    margin-bottom: 8px;
    font-size: .85rem;
    transition: color var(--transition);
}
.footer-col a:hover { color: var(--white); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-bottom a { color: rgba(255,255,255,.4); margin-left: 16px; }

/* ---------- Page Hero (inner pages) ---------- */
.page-hero {
    margin-top: 40px;
    padding: 170px 0 24px;
    background: var(--white);
    text-align: center;
}
.page-hero h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--black);
    margin-bottom: 8px;
}
.page-hero p {
    font-size: .95rem;
    color: #666;
    max-width: 560px;
    margin: 0 auto;
}

/* ---------- Portfolio Page ---------- */
.portfolio-section { padding: 60px 0 120px; }
.portfolio-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 60px;
}
.portfolio-sidebar h3 {
    font-size: .95rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--black);
}
.species-filter-list { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.species-filter-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--dark-gray);
    font-weight: 600;
    font-size: .9rem;
    transition: background var(--transition);
}
.species-filter-item img { width: 32px; height: 32px; }
.species-filter-item:hover, .species-filter-item.active {
    background: var(--light-bg);
}
.results-header { margin-bottom: 16px; }
.results-count { font-size: .85rem; color: #999; }
.product-list { list-style: none; }
.product-item { border-bottom: 1px solid #eee; }
.product-item a {
    display: block;
    padding: 14px 0;
    font-size: .95rem;
    color: var(--dark-gray);
    font-weight: 500;
    transition: color var(--transition);
}
.product-item a:hover { color: var(--teal); }

/* ---------- Formats Detail Page ---------- */
.format-detail { padding: var(--section-padding); }
.format-detail.bg-alt { background: var(--light-bg); }
.format-detail-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}
.format-detail-hero.reverse { direction: rtl; }
.format-detail-hero.reverse > * { direction: ltr; }
.format-detail-image {
    background: #eee;
    border-radius: 16px;
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
}
.format-detail-image .placeholder {
    color: var(--gray);
    font-size: .9rem;
    text-transform: uppercase;
    letter-spacing: .1em;
}
.format-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--black);
    margin-bottom: 4px;
}
.format-subtitle {
    font-size: 1.1rem;
    color: var(--teal);
    font-weight: 600;
    margin-bottom: 16px;
}
.format-detail-content p { font-size: 1rem; color: #555; margin-bottom: 20px; line-height: 1.7; }
.format-highlight {
    background: var(--dark-teal);
    color: var(--white);
    padding: 16px 20px;
    border-radius: 0;
    font-size: .85rem;
    line-height: 1.5;
    margin-bottom: 24px;
}
.format-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}
.format-details-grid h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--black);
}
.format-components { display: flex; gap: 24px; }
.component-card { flex: 1; text-align: center; }
.component-image {
    background: #eee;
    border-radius: 12px;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}
.component-image .placeholder { color: var(--gray); font-size: .75rem; text-transform: uppercase; }
.component-card h4 { font-size: .85rem; font-weight: 700; margin-bottom: 6px; }
.component-card p { font-size: .8rem; color: #777; }
.characteristics-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.char-item { text-align: center; }
.char-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 12px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.char-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 2px solid #ddd;
    transform: rotate(45deg);
}
.char-icon svg { position: relative; z-index: 1; }
.char-item svg { margin: 0 auto 10px; display: block; }
.char-item h4 { font-size: .85rem; font-weight: 700; margin-bottom: 4px; }
.char-item p { font-size: .8rem; color: #777; }

/* ---------- Downloads Page ---------- */
.downloads-section { padding: 60px 0 120px; }
.downloads-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}
.download-card {
    display: block;
    background: var(--light-bg);
    border-radius: 16px;
    padding: 48px 32px;
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
    color: var(--dark-gray);
}
.download-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,.08);
    color: var(--dark-gray);
}
.download-icon { margin-bottom: 20px; }
.download-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.download-card p { font-size: .9rem; color: #777; margin-bottom: 20px; line-height: 1.5; }

/* ---------- CoA Page ---------- */
.coa-section { padding: 60px 0 120px; }
.coa-box {
    max-width: 700px;
    margin: 0 auto;
    background: var(--light-bg);
    border-radius: 16px;
    padding: 48px 40px;
}
.coa-box h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 16px; margin-top: 24px; }
.coa-note { font-size: .85rem; color: #777; margin-bottom: 8px; line-height: 1.5; }

/* ---------- Manuals Page ---------- */
.manuals-section { padding: 60px 0 120px; }

/* ---------- Data Table (shared) ---------- */
.data-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.data-table th {
    text-align: left;
    padding: 12px 16px;
    border-bottom: 2px solid #ddd;
    font-weight: 700;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: #999;
}
.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid #eee;
    color: var(--dark-gray);
}
.data-table tr:hover td { background: var(--light-bg); }

/* ---------- Contact Page ---------- */
.contact-section { padding: 60px 0 120px; }
.contact-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    max-width: 860px;
    margin: 0 auto;
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; }
.form-group label {
    font-size: .8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: #999;
    margin-bottom: 6px;
}
.form-group input, .form-group textarea {
    border: none;
    border-bottom: 2px solid #ddd;
    padding: 10px 0;
    font-size: .95rem;
    font-family: var(--font-main);
    outline: none;
    background: transparent;
    transition: border-color var(--transition);
}
.form-group input:focus, .form-group textarea:focus { border-bottom-color: var(--black); }
.form-group textarea { resize: vertical; min-height: 100px; }
.contact-info { display: flex; flex-direction: column; gap: 32px; }
.contact-info-card h3 { font-size: .85rem; font-weight: 700; margin-bottom: 8px; color: var(--black); }
.contact-info-card a, .contact-info-card p { font-size: .95rem; color: #666; line-height: 1.6; }

/* ---------- Quotation Page ---------- */
.quotation-section { padding: 60px 0 120px; }
.quotation-layout {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 60px;
}
.quotation-search h3, .quotation-cart h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--black);
}
.note { font-size: .8rem; color: #999; line-height: 1.5; }
.quote-search-results { list-style: none; margin-top: 8px; }
.quote-search-results li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
    font-size: .9rem;
}
.qty-control { display: inline-flex; align-items: center; gap: 8px; }
.qty-btn {
    width: 28px; height: 28px;
    border-radius: 50%;
    border: 1px solid #ccc;
    background: var(--white);
    font-size: 1rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}
.qty-btn:hover { border-color: var(--teal); color: var(--teal); }
.qty-value { min-width: 20px; text-align: center; font-weight: 600; }
.add-btn {
    background: none;
    border: none;
    color: var(--teal);
    font-weight: 700;
    font-size: .85rem;
    cursor: pointer;
    font-family: var(--font-main);
    transition: color var(--transition);
}
.add-btn:hover { color: var(--dark-teal); }

/* ---------- Parallax Section ---------- */
.split-section.parallax-section {
    position: relative;
    overflow: hidden;
}
.parallax-bg {
    position: absolute;
    top: -20%;
    left: 0;
    width: 100%;
    height: 140%;
    object-fit: cover;
    z-index: 0;
    will-change: transform;
}
.parallax-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,.88);
    z-index: 1;
}
.split-section.parallax-section .container {
    position: relative;
    z-index: 2;
}

/* ---------- Fade-in Animations ---------- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .7s ease, transform .7s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: .1s; }
.fade-in-delay-2 { transition-delay: .2s; }
.fade-in-delay-3 { transition-delay: .3s; }

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
    .hero .container { grid-template-columns: 1fr; gap: 40px; }
    .hero-image { order: -1; }
    .hero-content h1 { font-size: 2.2rem; }
    .hero-a-content h1 { font-size: 2.4rem; }
    .hero-c { grid-template-columns: 1fr; padding-top: 120px; }
    .hero-c-image { min-height: 50vh; }
    .hero-c-content { padding: 40px 24px; }
    .hero-c-content h1 { font-size: 2.2rem; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-item .stat-number { font-size: 2.2rem; }
    .split-section .container { grid-template-columns: 1fr; gap: 40px; }
    .split-section.reverse .container { direction: ltr; }
    .format-cards { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
    .species-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .portfolio-layout { grid-template-columns: 1fr; gap: 40px; }
    .format-detail-hero { grid-template-columns: 1fr; gap: 40px; }
    .format-detail-hero.reverse { direction: ltr; }
    .format-details-grid { grid-template-columns: 1fr; }
    .downloads-grid { grid-template-columns: 1fr; }
    .contact-layout { grid-template-columns: 1fr; }
    .quotation-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    :root { --section-padding: 80px 0; }

    .main-nav { display: none; }
    .main-nav.open {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        max-width: 100vw;
        height: 100vh;
        background: #fff;
        padding: 100px 24px 32px;
        gap: 0;
        z-index: 998;
        overflow-y: auto;
        overflow-x: hidden;
        box-sizing: border-box;
    }
    .main-nav.open a {
        font-size: 1.1rem;
        padding: 12px 0;
        border-radius: 0;
        display: block;
        width: 100%;
    }
    .main-nav.open a:hover { background: transparent; color: var(--teal); }
    .main-nav.open .nav-dropdown { width: 100%; }
    .main-nav.open .nav-dropdown-toggle {
        font-size: 1.1rem;
        padding: 12px 0;
        width: 100%;
        display: flex;
        align-items: center;
    }
    .main-nav.open .nav-dropdown-toggle:hover { background: transparent; color: var(--teal); }
    .main-nav.open .nav-quote {
        width: 100%;
        display: block;
    }
    .main-nav.open .lang-sep {
        width: 100%;
        height: 1px;
        background: #eee;
        margin: 12px 0 4px;
    }
    .main-nav.open .lang-switch {
        display: inline-block;
        width: auto;
    }
    .nav-dropdown-menu {
        position: static;
        transform: none;
        box-shadow: none;
        background: #fff;
        padding: 0 0 8px 20px;
        min-width: 0;
        display: none;
        border-left: 2px solid var(--teal);
        margin-left: 8px;
    }
    .nav-dropdown.open > .nav-dropdown-menu { display: block; }
    .nav-dropdown:hover > .nav-dropdown-menu { display: none; }
    .nav-dropdown.open:hover > .nav-dropdown-menu { display: block; }
    .nav-dropdown-menu a {
        font-size: .95rem !important;
        padding: 10px 0 !important;
    }
    .menu-toggle { display: block; position: relative; z-index: 999; }

    .site-header .container { padding-top: 12px; }
    .logo img, .logo svg { height: 50px; }
    .logo { margin-bottom: 8px; }
    .main-nav { padding-bottom: 8px; }
    .site-header.scrolled .logo img,
    .site-header.scrolled .logo svg { height: 32px; }
    .hero { padding: 150px 0 60px; }
    .hero-a { min-height: 80vh; }
    .hero-a-content { padding-top: 140px; padding-bottom: 60px; }
    .hero-a-content h1 { font-size: 2rem; }
    .hero-c-image { min-height: 40vh; }
    .hero-c-content h1 { font-size: 1.8rem; }
    .page-hero { padding: 140px 0 40px; }
    .hero-content h1 { font-size: 1.8rem; }
    .features-grid { grid-template-columns: 1fr; }
    .section-header h2 { font-size: 1.8rem; }
    .split-content h2 { font-size: 1.6rem; }
    .species-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    .page-hero h1 { font-size: 2rem; }
    .format-title { font-size: 2.2rem; }
    .form-row { grid-template-columns: 1fr; }
    .characteristics-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .species-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .format-tabs { flex-wrap: wrap; }
}