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

html {
    scroll-behavior: smooth;
}

:root {
    --font-primary: 'IBM Plex Sans', 'SF Pro Display', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --color-bg: #f7f7f7;
    --color-surface: #ffffff;
    --color-soft: #f3f3f3;
    --color-dark: #050505;
    --color-text: #111111;
    --color-muted: #6f6f6f;
    --color-border: #e3e3e3;
    --color-border-strong: #d8d8d8;
    --shadow-soft: 0 25px 70px rgba(15, 15, 15, 0.08);
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.65;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

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

.container {
    width: min(1200px, 90vw);
    margin: 0 auto;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.95rem 2.5rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
    text-decoration: none;
}

.btn.primary {
    background-color: var(--color-dark);
    color: #fff;
}

.btn.primary:hover {
    transform: translateY(-2px);
}

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

.section {
    padding: 5rem 0;
    position: relative;
}

.section-heading {
    text-align: left;
    margin-bottom: 1.5rem;
}

.section-heading.light {
    color: #fff;
}

.kicker {
    font-size: 0.85rem;
    letter-spacing: 0.3rem;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 0.75rem;
}

.section-heading.light .kicker {
    color: rgba(255, 255, 255, 0.7);
}

.section-heading h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
}

.section-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, rgba(0,0,0,0.15) 0%, rgba(0,0,0,0) 70%);
    margin-bottom: 2.5rem;
}

.lead {
    font-size: 1.1rem;
    color: var(--color-muted);
}

/* Header */
.site-header {
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.2rem 0;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding-bottom: 0.15rem;
}

.nav-links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-text);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s ease;
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 0.35rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 0;
}

.menu-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background-color: var(--color-text);
    margin: 0 auto;
}

.mobile-menu {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1500;
}

.mobile-menu-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.45);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu-panel {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    background-color: #fff;
    padding: 2rem;
    box-shadow: none;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    overflow-y: auto;
}

.mobile-menu.open {
    pointer-events: auto;
}

.mobile-menu.open .mobile-menu-overlay {
    opacity: 1;
}

.mobile-menu.open .mobile-menu-panel {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem 0;
    margin-bottom: 2rem;
    position: relative;
}

.menu-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: transparent;
    cursor: pointer;
    flex-shrink: 0;
}

.menu-close span {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 2px;
    background-color: var(--color-text);
    transform-origin: center;
}

.menu-close span:first-child {
    transform: translate(-50%, -50%) rotate(45deg);
}

.menu-close span:last-child {
    transform: translate(-50%, -50%) rotate(-45deg);
}

.mobile-menu-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.mobile-menu-logo img {
    max-width: 180px;
    height: auto;
}

.mobile-nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 0;
    text-align: center;
}

.mobile-nav-links a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    display: block;
    text-align: center;
}

.mobile-nav-links a:hover {
    color: var(--primary-color);
}

.mobile-menu-language {
    margin-top: auto;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.mobile-menu-language .language-selector {
    display: block;
}

.mobile-menu-language .language-btn {
    width: 100%;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.mobile-menu-language {
    overflow: visible;
}

.mobile-menu-language .language-selector {
    position: relative;
    z-index: 20;
}

.mobile-menu-language .language-dropdown {
    position: absolute !important;
    top: auto !important;
    bottom: calc(100% + 0.5rem) !important;
    left: 0 !important;
    right: 0 !important;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px) !important;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background-color: #fff;
    padding: 0 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    z-index: 20;
    min-width: 100%;
    transform-origin: bottom center;
}

.mobile-menu-language .language-selector.active .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) !important;
}

.mobile-menu-language .language-option {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
}

.mobile-menu-language .language-option:last-child {
    border-bottom: none;
}

.menu-open {
    overflow: hidden;
}

.language-selector {
    position: relative;
    margin-right: auto;
}

.language-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.9rem;
    background-color: transparent;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    cursor: pointer;
    font-size: 0.9rem;
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    
    background-color: #fff;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    box-shadow: var(--shadow-soft);
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 10;
}

.language-selector.active .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    text-decoration: none;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
}

.language-option:last-child {
    border-bottom: none;
}

.language-option:hover,
.language-option.active {
    background-color: var(--color-soft);
}

.flag-icon {
    width: 1.1rem;
    height: 1.1rem;
    display: inline-block;
    object-fit: contain;
}

.dropdown-arrow {
    font-size: 0.65rem;
    transition: transform 0.2s ease;
}

.language-selector.active .dropdown-arrow {
    transform: rotate(180deg);
}

/* Hero */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: #ffffff;
}

.hero-background {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.molecule {
    position: absolute;
    opacity: 0.85;
    pointer-events: none;
}

.molecule svg {
    width: 100%;
    height: 100%;
}

.molecule-1 {
    top: 10%;
    left: 5%;
    width: 100px;
    height: 100px;
    animation: floatRotate 3s ease-in-out infinite, drift1 4s ease-in-out infinite;
}

.molecule-2 {
    top: 25%;
    right: 5%;
    width: 110px;
    height: 110px;
    animation: floatRotate 4s ease-in-out infinite reverse, drift2 5s ease-in-out infinite;
}

.molecule-3 {
    top: 40%;
    left: 5%;
    width: 95px;
    height: 95px;
    animation: floatRotate 5s ease-in-out infinite, drift3 6s ease-in-out infinite;
}

.molecule-4 {
    top: 55%;
    right: 5%;
    width: 105px;
    height: 105px;
    animation: floatRotate 6s ease-in-out infinite reverse, drift4 7s ease-in-out infinite;
}

.molecule-5 {
    top: 70%;
    left: 5%;
    width: 115px;
    height: 115px;
    animation: floatRotate 7s ease-in-out infinite, drift5 8s ease-in-out infinite reverse;
}

.molecule-6 {
    top: 15%;
    right: 5%;
    width: 90px;
    height: 90px;
    animation: floatRotate 8s ease-in-out infinite reverse, drift6 9s ease-in-out infinite;
}

.molecule-7 {
    top: 30%;
    left: 5%;
    width: 100px;
    height: 100px;
    animation: floatRotate 9s ease-in-out infinite, drift7 10s ease-in-out infinite reverse;
}

.molecule-8 {
    top: 60%;
    right: 5%;
    width: 108px;
    height: 108px;
    animation: floatRotate 10s ease-in-out infinite reverse, drift8 11s ease-in-out infinite;
}

.molecule-9 {
    top: 80%;
    left: 5%;
    width: 102px;
    height: 102px;
    animation: floatRotate 12s ease-in-out infinite, drift9 13s ease-in-out infinite reverse;
}

@keyframes floatRotate {
    0%, 100% {
        transform: rotate(0deg) translateY(0);
    }
    25% {
        transform: rotate(90deg) translateY(-10px);
    }
    50% {
        transform: rotate(180deg) translateY(0);
    }
    75% {
        transform: rotate(270deg) translateY(10px);
    }
}

@keyframes drift1 {
    0%, 100% {
        transform: translate(0, 0);
    }
    33% {
        transform: translate(15px, -20px);
    }
    66% {
        transform: translate(-10px, 15px);
    }
}

@keyframes drift2 {
    0%, 100% {
        transform: translate(0, 0);
    }
    33% {
        transform: translate(-18px, 12px);
    }
    66% {
        transform: translate(12px, -15px);
    }
}

@keyframes drift3 {
    0%, 100% {
        transform: translate(0, 0);
    }
    33% {
        transform: translate(20px, 10px);
    }
    66% {
        transform: translate(-15px, -12px);
    }
}

@keyframes drift4 {
    0%, 100% {
        transform: translate(0, 0);
    }
    33% {
        transform: translate(-12px, -18px);
    }
    66% {
        transform: translate(15px, 10px);
    }
}

@keyframes drift5 {
    0%, 100% {
        transform: translate(0, 0);
    }
    33% {
        transform: translate(10px, 20px);
    }
    66% {
        transform: translate(-18px, -10px);
    }
}

@keyframes drift6 {
    0%, 100% {
        transform: translate(0, 0);
    }
    33% {
        transform: translate(-15px, 18px);
    }
    66% {
        transform: translate(12px, -12px);
    }
}

@keyframes drift7 {
    0%, 100% {
        transform: translate(0, 0);
    }
    33% {
        transform: translate(18px, -15px);
    }
    66% {
        transform: translate(-12px, 18px);
    }
}

@keyframes drift8 {
    0%, 100% {
        transform: translate(0, 0);
    }
    33% {
        transform: translate(-14px, -16px);
    }
    66% {
        transform: translate(16px, 14px);
    }
}

@keyframes drift9 {
    0%, 100% {
        transform: translate(0, 0);
    }
    33% {
        transform: translate(12px, -18px);
    }
    66% {
        transform: translate(-15px, 15px);
    }
}

.orb {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,0,0,0.08) 0%, rgba(0,0,0,0.04) 50%, rgba(0,0,0,0) 100%);
    border: 1px solid rgba(0,0,0,0.1);
    pointer-events: none;
    opacity: 0.6;
}

.orb-large {
    width: 500px;
    height: 500px;
    top: -150px;
    right: -150px;
    animation: pulse 8s ease-in-out infinite;
}

.orb-medium {
    width: 300px;
    height: 300px;
    bottom: -100px;
    left: -100px;
    animation: pulse 10s ease-in-out infinite reverse;
}

.orb-small {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 10%;
    animation: pulse 12s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.7;
    }
}

.hero-layout {
    position: relative;
    z-index: 1;
    text-align: center;
    width: 100%;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-brand {
    display: flex;
    justify-content: center;
    margin-bottom: 2.5rem;
}

.hero-brand img {
    width: min(90vw, 360px);
    height: auto;
    display: block;
}

.hero-content h1 {
    font-size: clamp(3.5rem, 8vw, 5.5rem);
    font-weight: 600;
    line-height: 1.05;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.hero-content h1 .word-covalent {
    font-weight: 700;
}

.hero-content h1 .word-labs {
    font-weight: 400;
    font-size: 0.85em;
}

.hero-content .tagline {
    font-size: 1.3rem;
    color: var(--color-muted);
    margin: 0 auto 2.5rem;
    max-width: 600px;
    font-weight: 400;
}

.scroll-indicator {
    margin-top: 3rem;
    color: var(--color-muted);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(10px);
    }
}

/* About Section */
.about-section {
    background-color: var(--color-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3rem;
    align-items: start;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.foundation-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 18px;
    padding: 1.75rem;
    box-shadow: var(--shadow-soft);
}

.about-expertise h3 {
    margin-bottom: 1.5rem;
}

.expertise-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 2rem;
    list-style: none;
}

.expertise-list li {
    position: relative;
    padding-left: 1.5rem;
}

.expertise-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 0.4rem;
    height: 0.4rem;
    border-radius: 50%;
    background-color: var(--color-dark);
}

/* Brands */
.brands-section {
    background-color: #fff;
}

.brand-accordion {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.accordion-item {
    border: 1px solid var(--color-border);
    border-radius: 18px;
    background-color: var(--color-surface);
    overflow: hidden;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.accordion-item.active {
    border-color: var(--color-dark);
    box-shadow: var(--shadow-soft);
}

.accordion-trigger {
    width: 100%;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    cursor: pointer;
}

.accordion-copy {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    text-align: left;
}

.accordion-title {
    font-size: 1.3rem;
    font-weight: 600;
}

.accordion-subtitle {
    font-size: 0.95rem;
    color: var(--color-muted);
}

.accordion-icon {
    width: 1.5rem;
    height: 1.5rem;
    position: relative;
}

.accordion-icon::before,
.accordion-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 14px;
    height: 2px;
    background-color: var(--color-text);
    transform: translate(-50%, -50%);
    transition: transform 0.2s ease;
}

.accordion-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.accordion-item.active .accordion-icon::after {
    transform: translate(-50%, -50%) rotate(0deg);
}

.accordion-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 2rem;
}

.accordion-item.active .accordion-panel {
    max-height: 600px;
    padding-bottom: 2rem;
}

.accordion-panel h4 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.brand-features {
    list-style: none;
    margin-top: 1rem;
}

.brand-features li {
    padding: 0.4rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-features li::before {
    content: '';
    width: 0.5rem;
    height: 0.5rem;
    background-color: #000;
    border-radius: 1px;
    flex-shrink: 0;
}

/* Innovation */
.innovation-section {
    background-color: var(--color-dark);
    color: #fff;
    border-radius: 40px 40px 0 0;
    margin-top: 4rem;
}

.innovation-intro {
    color: rgba(255,255,255,0.7);
    max-width: 600px;
    margin-bottom: 2rem;
}

.innovation-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.innovation-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 18px;
    padding: 2rem;
    min-height: 220px;
}

.card-number {
    font-size: 0.85rem;
    letter-spacing: 0.4rem;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
}

.innovation-card h3 {
    font-size: 1.3rem;
    margin: 1rem 0;
    min-height: 3.2rem;
    display: flex;
    align-items: flex-end;
}

.innovation-card ul {
    list-style: none;
    color: rgba(255,255,255,0.75);
    padding-left: 0;
}

.innovation-card ul li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.innovation-card ul li::before {
    content: '';
    width: 0.85rem;
    height: 0.85rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    flex-shrink: 0;
}

/* Corporate */
.corporate-section {
    background-color: var(--color-bg);
}

.corporate-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.corporate-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 18px;
    padding: 1.5rem;
}

.card-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.2rem;
    color: var(--color-muted);
    margin-bottom: 0.5rem;
}

.card-value {
    font-size: 1.1rem;
    font-weight: 600;
}

.card-value a {
    color: inherit;
    text-decoration: none;
}

.legal-panel {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 18px;
    padding: 1.5rem;
}

.legal-panel ul {
    list-style: none;
}

.legal-panel li {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid var(--color-border);
    padding: 0.8rem 0;
    font-size: 0.95rem;
}

.legal-panel li:last-child {
    border-bottom: none;
}

/* Contact */
.contact-section {
    background-color: #fff;
    border-radius: 40px 40px 0 0;
    margin-top: 4rem;
}

.contact-tagline {
    color: var(--color-muted);
    max-width: 460px;
    margin-bottom: 2rem;
}

.contact-form {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 18px;
    padding: 2rem;
    box-shadow: var(--shadow-soft);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    border: 1px solid var(--color-border-strong);
    border-radius: 12px;
    padding: 0.9rem 1rem;
    font: inherit;
    background-color: var(--color-bg);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-dark);
}

.submit-btn {
    width: 100%;
}

/* Footer */
.site-footer {
    background-color: var(--color-dark);
    color: rgba(255,255,255,0.85);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
    border-radius: 40px 40px 0 0;
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    text-transform: uppercase;
    letter-spacing: 0.2rem;
    font-size: 0.8rem;
    margin-bottom: 1rem;
    color: rgba(255,255,255,0.6);
}

.footer-col p {
    color: rgba(255,255,255,0.75);
    line-height: 1.5;
    margin-bottom: 0.5rem;
}

.footer-col p a {
    color: rgba(255,255,255,0.75);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-col p a:hover {
    color: #fff;
}

.footer-col ul {
    list-style: none;
    color: rgba(255,255,255,0.7);
    padding-left: 0;
}

.footer-col ul li {
    margin-bottom: 0.4rem;
}

.footer-col ul li a {
    color: inherit;
    text-decoration: none;
}

.footer-col ul li a:hover {
    color: #fff;
}

.footer-divider {
    border-top: 1px solid rgba(255,255,255,0.12);
    margin-bottom: 1.5rem;
    padding-top: 1.5rem;
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.footer-copy {
    color: rgba(255,255,255,0.65);
}

.footer-made {
    font-style: italic;
    color: rgba(255,255,255,0.6);
}

.footer-social {
    display: flex;
    gap: 1.5rem;
}

.footer-social a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
}

.footer-social a:hover {
    color: #fff;
}

/* Responsive */
@media (max-width: 1024px) {
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .molecule {
        opacity: 0.9;
    }

    .molecule-1,
    .molecule-2,
    .molecule-3,
    .molecule-4,
    .molecule-5,
    .molecule-6,
    .molecule-7,
    .molecule-8,
    .molecule-9 {
        width: 100px;
        height: 100px;
    }

    .about-grid,
    .innovation-grid,
    .corporate-grid,
    .footer-top {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .header-nav {
        display: none;
    }

    .menu-toggle {
        display: inline-flex;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 3.5rem 0;
    }

    .hero {
        min-height: calc(100vh - 80px);
    }

    .molecule {
        opacity: 0.85;
    }

    .molecule-1,
    .molecule-2,
    .molecule-3,
    .molecule-4,
    .molecule-5,
    .molecule-6,
    .molecule-7,
    .molecule-8,
    .molecule-9 {
        width: 80px;
        height: 80px;
    }

    .molecule-1 {
        top: 10% !important;
        left: 2% !important;
    }

    .molecule-2 {
        top: 25% !important;
        right: 2% !important;
    }

    .molecule-3 {
        top: 40% !important;
        left: 2% !important;
    }

    .molecule-4 {
        top: 55% !important;
        right: 2% !important;
    }

    .molecule-5 {
        top: 70% !important;
        left: 2% !important;
    }

    .molecule-6 {
        top: 15% !important;
        right: 2% !important;
    }

    .molecule-7 {
        top: 30% !important;
        left: 2% !important;
    }

    .molecule-8 {
        top: 60% !important;
        right: 2% !important;
    }

    .molecule-9 {
        top: 80% !important;
        left: 2% !important;
    }

    .hero-content h1 {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }

    .hero-content .tagline {
        font-size: 1.1rem;
    }

    .about-grid,
    .corporate-grid,
    .innovation-grid,
    .footer-top {
        grid-template-columns: 1fr;
    }

    .footer-col {
        text-align: center;
    }

    .footer-col h4,
    .footer-col p,
    .footer-col ul {
        text-align: center;
    }

    .footer-col ul li {
        text-align: center;
    }

    .accordion-trigger {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 1rem;
    }

    .footer-social {
        flex-wrap: wrap;
    }
}

@media (max-width: 540px) {
    .container {
        width: 92vw;
    }

    .hero {
        min-height: calc(100vh - 80px);
    }

    .hero-content h1 {
        font-size: 2.4rem;
    }

    .hero-content .tagline {
        font-size: 1rem;
    }

    .molecule {
        opacity: 0.8;
    }

    .molecule-1,
    .molecule-2,
    .molecule-3,
    .molecule-4,
    .molecule-5,
    .molecule-6,
    .molecule-7,
    .molecule-8,
    .molecule-9 {
        width: 70px;
        height: 70px;
    }

    .molecule-1 {
        top: 10% !important;
        left: 1% !important;
    }

    .molecule-2 {
        top: 25% !important;
        right: 1% !important;
    }

    .molecule-3 {
        top: 40% !important;
        left: 1% !important;
    }

    .molecule-4 {
        top: 55% !important;
        right: 1% !important;
    }

    .molecule-5 {
        top: 70% !important;
        left: 1% !important;
    }

    .molecule-6 {
        top: 15% !important;
        right: 1% !important;
    }

    .molecule-7 {
        top: 30% !important;
        left: 1% !important;
    }

    .molecule-8 {
        top: 60% !important;
        right: 1% !important;
    }

    .molecule-9 {
        top: 80% !important;
        left: 1% !important;
    }

    .section-heading h2 {
        font-size: 1.9rem;
    }

    .language-btn {
        padding: 0.35rem 0.7rem;
        font-size: 0.85rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}
