/* --- Global Styles & Variables --- */
:root {
    --bg-dark: hsl(240, 20%, 8%);
    --bg-card: hsla(240, 15%, 12%, 0.6);
    --bg-card-hover: hsla(240, 15%, 16%, 0.8);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    --color-primary: hsl(270, 85%, 60%);
    --color-primary-rgb: 145, 51, 245;
    --color-magenta: hsl(330, 90%, 60%);
    --color-teal: hsl(180, 80%, 50%);
    --color-teal-rgb: 23, 230, 230;
    
    --text-main: hsl(0, 0%, 92%);
    --text-muted: hsl(240, 10%, 70%);
    --text-inverse: hsl(0, 0%, 8%);
    
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-fast: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 100%;
    background-color: var(--bg-dark);
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--bg-dark);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* --- Layout Utility --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

/* --- Glow Orbs --- */
.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.4;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-primary) 0%, rgba(0,0,0,0) 70%);
    top: -100px;
    left: -100px;
}

.orb-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-teal) 0%, rgba(0,0,0,0) 70%);
    bottom: -200px;
    right: -100px;
}

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

/* Gradient Text Effect */
.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-magenta) 50%, var(--color-teal) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-smooth);
    border: none;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, #7422b8 0%, #a81260 100%);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(var(--color-primary-rgb), 0.3);
}

.btn-glow {
    position: relative;
}
.btn-glow::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: inherit;
    border-radius: inherit;
    filter: blur(10px);
    opacity: 0.6;
    z-index: -1;
    transition: var(--transition-smooth);
}
.btn-glow:hover::after {
    opacity: 0.9;
    filter: blur(15px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-hover);
    transform: translateY(-3px);
}

.icon-btn {
    width: 18px;
    height: 18px;
}

/* --- Header / Navigation --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    transition: var(--transition-smooth);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background-color: rgba(10, 10, 12, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-img {
    height: 40px;
    width: 40px;
    object-fit: contain;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-main);
}

.logo-text span {
    color: var(--color-teal);
    font-weight: 400;
}

.nav-list {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    position: relative;
    padding: 6px 0;
    display: flex;
    align-items: center;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-main);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-teal);
    transition: var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.icon-inline {
    width: 12px;
    height: 12px;
    margin-left: 4px;
    opacity: 0.6;
}

.nav-btn {
    text-decoration: none;
    background: var(--text-main);
    color: var(--bg-dark);
    padding: 10px 20px;
    border-radius: 6px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.nav-btn::after { display: none; }

.nav-btn:hover, .nav-btn.active {
    background: var(--color-teal);
    color: var(--bg-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--color-teal-rgb), 0.3);
}

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
}

/* --- Hero Section --- */
.section-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 700px;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    font-weight: 300;
}

.hero-cta {
    display: flex;
    gap: 16px;
}

.hero-bg-visual {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.35;
    mask-image: linear-gradient(to left, rgba(0,0,0,1) 30%, rgba(0,0,0,0) 100%);
    -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,1) 30%, rgba(0,0,0,0) 100%);
    pointer-events: none;
    animation: slow-pan 20s ease-in-out infinite alternate;
}

@keyframes slow-pan {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.08) translate(-2%, 2%); }
}

/* --- Glassmorphic Card Styling --- */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: var(--transition-smooth);
    overflow: hidden;
}

.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* --- About Section --- */
.section-about {
    padding: 100px 0;
    position: relative;
}

.section-header {
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-teal));
    margin: 0 auto 24px;
    border-radius: 2px;
}

.section-lead {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.about-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card-img-wrapper {
    width: 100%;
    height: 220px;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.about-card:hover .card-img {
    transform: scale(1.06);
}

.card-body {
    padding: 28px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-icon-title {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.card-icon {
    width: 24px;
    height: 24px;
}

.card-body h3 {
    font-size: 1.3rem;
    font-weight: 600;
}

.card-body p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.text-violet { color: var(--color-primary); }
.text-magenta { color: var(--color-magenta); }
.text-teal { color: var(--color-teal); }

/* --- Ecosystem / Services Section --- */
.section-ecosystem {
    padding: 100px 0;
    position: relative;
}

.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.eco-card {
    text-decoration: none;
    color: var(--text-main);
    padding: 32px;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.eco-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.eco-icon {
    width: 32px;
    height: 32px;
}

.eco-badge {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 4px 10px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
}

.eco-card h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    transition: var(--transition-fast);
}

.eco-card:hover h3 {
    color: var(--color-teal);
}

.eco-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 32px;
    flex-grow: 1;
}

.eco-action {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-teal);
    transition: var(--transition-fast);
}

.eco-action i {
    width: 16px;
    height: 16px;
    transition: var(--transition-fast);
}

.eco-card:hover .eco-action {
    gap: 12px;
}

/* --- Contact --- */
.section-contact {
    padding: 100px 0;
    position: relative;
    border-top: 1px solid var(--border-color);
    background: linear-gradient(180deg, rgba(13, 27, 42, 0.25), transparent);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.contact-card {
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-width: 0;
}

.contact-card h3 { font-size: 1.25rem; }
.contact-card p { color: var(--text-muted); line-height: 1.7; }
.contact-email {
    margin-top: auto;
    padding: 12px 0;
    color: var(--color-teal);
    font-weight: 600;
    text-underline-offset: 4px;
    overflow-wrap: anywhere;
}
.contact-email:hover, .contact-note a:hover { color: var(--text-main); }
.contact-note { margin-top: 28px; color: var(--text-muted); text-align: center; line-height: 1.7; }
.contact-note a { color: var(--color-teal); text-underline-offset: 4px; }

/* --- Footer --- */
.footer {
    background: hsl(240, 20%, 6%);
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.footer-logo {
    height: 30px;
    width: 30px;
}

.footer-logo-text {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
}

.footer-logo-text span {
    color: var(--color-teal);
}

.copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.footer-policy-link {
    display: inline-block;
    margin-top: 6px;
    color: var(--text-muted);
    font-size: 0.9rem;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.footer-policy-link:hover, .footer-policy-link:focus-visible {
    color: var(--color-teal);
}

.footer-policy-link + .footer-policy-link { margin-left: 16px; }

.footer-socials {
    display: flex;
    gap: 16px;
}

.footer-socials a {
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
}

.footer-socials a:hover {
    color: var(--color-teal);
    border-color: var(--color-teal);
    transform: translateY(-3px);
}

.footer-socials a i {
    width: 18px;
    height: 18px;
}

.eyebrow-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: var(--color-teal);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 32px;
    max-width: 650px;
}

/* --- Research Focus Section --- */
.section-research {
    padding: 100px 0;
    position: relative;
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.research-card {
    padding: 36px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.research-icon-box {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4px;
}

.research-icon {
    width: 26px;
    height: 26px;
}

.research-card h3 {
    font-size: 1.35rem;
    font-weight: 600;
}

.research-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.65;
}

.research-bullets {
    list-style: none;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: auto;
}

.research-bullets li {
    font-size: 0.88rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.research-bullets li::before {
    content: "•";
    color: var(--color-teal);
    font-size: 1.2rem;
}

/* --- Approach Section --- */
.section-approach {
    padding: 100px 0;
    position: relative;
    background: linear-gradient(180deg, transparent 0%, rgba(13, 27, 42, 0.4) 100%);
}

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

.step-card {
    padding: 36px 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    border-top: 2px solid transparent;
    transition: var(--transition-smooth);
}

.step-card:hover {
    border-top-color: var(--color-teal);
}

.step-num {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), var(--color-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.8;
}

.step-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
}

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

/* --- Animations & Reveal --- */
.reveal-fade {
    opacity: 1;
    transform: none;
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.reveal-fade.reveal-pending {
    opacity: 0;
    transform: translateY(24px);
}

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }

/* --- Responsive Adjustments --- */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.2rem;
    }
    
    .about-grid, .ecosystem-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid > *:last-child {
        grid-column: span 2;
    }

    .approach-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .research-grid, .approach-steps {
        grid-template-columns: 1fr;
    }

    .navbar {
        height: 70px;
    }
    
    .mobile-nav-toggle {
        display: block;
        z-index: 110;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--bg-dark);
        border-left: 1px solid var(--border-color);
        box-shadow: -10px 0 30px rgba(0,0,0,0.5);
        padding: 100px 40px 40px;
        transition: var(--transition-smooth);
        z-index: 100;
    }
    
    .nav.open {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
    }
    
    .nav-btn {
        display: block;
        width: 100%;
        text-align: center;
    }
    
    .section-hero {
        flex-direction: column-reverse;
        justify-content: center;
        padding-top: 120px;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
        margin-top: 40px;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-bg-visual {
        position: relative;
        width: 100%;
        height: 250px;
        mask-image: linear-gradient(to top, rgba(0,0,0,1) 50%, rgba(0,0,0,0) 100%);
        -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,1) 50%, rgba(0,0,0,0) 100%);
    }
    
    .about-grid, .ecosystem-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .about-grid > *:last-child, .ecosystem-grid > *:last-child {
        grid-column: span 1;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

/* --- Accessible enhancements for techsivam.com --- */
[hidden] { display: none !important; }

body { overflow-wrap: break-word; }
section[id], #main-content { scroll-margin-top: 110px; }
img { max-width: 100%; }

a:focus-visible, button:focus-visible {
    outline: 3px solid var(--color-teal);
    outline-offset: 6px;
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 200;
    padding: 12px 20px;
    color: var(--bg-dark);
    background: var(--color-teal);
    border-radius: 6px;
    transform: translateY(-200%);
}
.skip-link:focus { transform: translateY(0); }
.header { background: rgba(16, 16, 24, 0.94); }
.navbar { gap: 24px; }
.logo { flex-shrink: 0; }
.nav-list { gap: clamp(16px, 2vw, 28px); }
.hero-content { width: 100%; max-width: 1200px; }
.hero-content > * { max-width: 680px; }
.hero-title { font-size: clamp(2.5rem, 5.5vw, 4.5rem); }
.hero-subtitle { font-weight: 400; margin-bottom: 24px; }
.section-hero { min-height: 720px; min-height: 90svh; padding-bottom: 80px; }
.hero-cta { flex-wrap: wrap; }
.card-body p, .research-card p, .step-card p, .eco-card p, .btn { font-size: 1rem; }
.eyebrow-badge { font-size: 0.875rem; letter-spacing: 1px; }
.research-bullets li, .eco-action, .eco-badge { font-size: 0.875rem; }
.about-grid, .ecosystem-grid, .research-grid, .approach-steps { align-items: stretch; }
.about-grid > *, .ecosystem-grid > *, .research-grid > *, .approach-steps > * { min-width: 0; }
.eco-header { gap: 12px; flex-wrap: wrap; }
.eco-badge { letter-spacing: 0.4px; }
.eco-card .product-note { font-size: 0.875rem; line-height: 1.5; margin-bottom: 24px; flex-grow: 0; }
.eco-action { margin-top: auto; }
.eco-action svg { width: 18px; height: 18px; flex-shrink: 0; }
.card-icon, .eco-icon, .icon-btn { flex-shrink: 0; }
.footer-socials a { width: 44px; height: 44px; }
.footer-socials svg { width: 20px; height: 20px; }
.mobile-nav-toggle { width: 44px; height: 44px; flex-shrink: 0; }
.menu-symbol, .menu-symbol::before, .menu-symbol::after {
    display: block;
    width: 22px;
    height: 2px;
    background: currentColor;
    position: relative;
    margin: auto;
}
.menu-symbol::before, .menu-symbol::after { content: ''; position: absolute; }
.menu-symbol::before { top: -7px; }
.menu-symbol::after { top: 7px; }
[aria-expanded="true"] .menu-symbol { background: transparent; }
[aria-expanded="true"] .menu-symbol::before { top: 0; transform: rotate(45deg); }
[aria-expanded="true"] .menu-symbol::after { top: 0; transform: rotate(-45deg); }

@media (max-width: 960px) {
    .header { position: sticky; }
    .navbar { min-height: 72px; height: auto; flex-wrap: wrap; padding-top: 12px; padding-bottom: 12px; }
    .nav, .nav.open {
        position: static;
        width: 100%;
        max-width: none;
        height: auto;
        max-height: 65svh;
        overflow-y: auto;
        padding: 16px 4px 8px;
        box-shadow: none;
        border: 0;
        border-top: 1px solid var(--border-color);
        background: transparent;
        transition: none;
    }
    .nav-list { flex-direction: column; align-items: stretch; gap: 8px; }
    .nav-link { padding: 10px 6px; min-height: 44px; }
    .nav-btn { display: block; text-align: center; min-height: 44px; }
    .mobile-nav-toggle { display: grid; place-items: center; }
    .section-hero { padding-top: 64px; min-height: 720px; }
    /* Without JS, show all navigation in normal document flow. */
    html:not(.nav-ready) .header { position: relative; }
    html:not(.nav-ready) .nav { max-height: none; }
}

@media (max-width: 768px) {
    .section-hero { min-height: auto; padding: 56px 0 72px; }
    .hero-content { margin-top: 0; }
    .hero-content > * { margin-left: auto; margin-right: auto; }
    .hero-bg-visual { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.18; }
    .section-about, .section-research, .section-approach, .section-ecosystem, .section-contact { padding: 64px 0; }
    .contact-grid { grid-template-columns: 1fr; }
    .contact-card { padding: 28px; }
    .section-header { margin-bottom: 36px; }
    .section-title { font-size: clamp(2rem, 8vw, 2.5rem); }
    .research-card, .eco-card { padding: 28px; }
}

@media (max-width: 420px) {
    .container { padding-left: 20px; padding-right: 20px; }
    .logo-text { font-size: 1.25rem; }
    .logo { gap: 8px; }
    .hero-cta { flex-direction: column; }
    .hero-cta .btn { width: 100%; }
    .card-body, .research-card, .eco-card { padding: 24px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
    .reveal-fade.reveal-pending { opacity: 1; transform: none; }
    .glass-card:hover, .btn:hover, .about-card:hover .card-img { transform: none; }
}

@media print {
    .header, .glow-orb, .hero-bg-visual, .hero-cta, .skip-link { display: none; }
    .reveal-fade.reveal-pending { opacity: 1; transform: none; }
    body, html, .footer { background: white; color: black; }
    .section-hero { min-height: 0; padding: 24px 0; }
    section, .section-about, .section-research, .section-approach, .section-ecosystem, .section-contact { padding: 24px 0; }
    .glass-card { break-inside: avoid; background: white; color: black; box-shadow: none; }
    .gradient-text, .step-num { background: none; -webkit-text-fill-color: currentColor; }
    p, .hero-subtitle, .hero-description, .section-lead, .card-body p, .research-card p, .step-card p, .eco-card p, .research-bullets li, .contact-card p, .contact-email, .contact-note a { color: #222; }
}