:root {
    --font-sans: "Montserrat", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --max-width: 1200px;
    --transition-base: 0.3s ease;
    --shadow-soft: 0 20px 40px -20px rgba(15, 20, 40, 0.45);
    --shadow-strong: 0 30px 60px -25px rgba(10, 15, 30, 0.55);
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background: linear-gradient(135deg, #020418, #0a1630);
    color: #f6f8ff;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

body.theme-light {
    background: linear-gradient(135deg, #f6f8ff, #dfe7ff);
    color: #161a2b;
}

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

h1, h2, h3 {
    margin: 0;
    font-weight: 700;
    letter-spacing: 0.02em;
}

p {
    line-height: 1.75;
    margin: 0;
}

section {
    scroll-margin-top: 90px;
}

#particle-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: radial-gradient(circle at top left, rgba(0, 152, 255, 0.18), transparent 55%),
                radial-gradient(circle at bottom right, rgba(115, 0, 255, 0.2), transparent 60%);
}

body.theme-light #particle-canvas {
    background: radial-gradient(circle at top left, rgba(71, 152, 255, 0.28), transparent 55%),
                radial-gradient(circle at bottom right, rgba(115, 0, 255, 0.18), transparent 60%);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem clamp(1.5rem, 5vw, 4rem);
    background: rgba(5, 10, 30, 0.6);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

body.theme-light .site-header {
    background: rgba(255, 255, 255, 0.8);
    border-bottom-color: rgba(20, 40, 80, 0.08);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 600;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.logo-mark {
    display: grid;
    place-items: center;
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 12px;
    background: linear-gradient(135deg, #00f0ff, #6f3bff);
    color: #020418;
    font-weight: 700;
    font-size: 1.2rem;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 1.8rem;
}

.site-nav a {
    color: inherit;
    text-decoration: none;
    font-weight: 500;
    position: relative;
    letter-spacing: 0.04em;
}

.site-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.4rem;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, rgba(0, 240, 255, 0.9), rgba(111, 59, 255, 0.9));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
    transform: scaleX(1);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    width: 2.6rem;
    height: 2.6rem;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.05);
    color: inherit;
    cursor: pointer;
    transition: background var(--transition-base), transform var(--transition-base);
}

body.theme-light .theme-toggle {
    border-color: rgba(20, 30, 60, 0.15);
    background: rgba(10, 30, 60, 0.06);
}

.theme-toggle:hover {
    transform: translateY(-2px);
    background: rgba(0, 240, 255, 0.15);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.6rem;
    border-radius: 12px;
    border: none;
    font-weight: 600;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.22), rgba(111, 59, 255, 0.22));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn:hover::after {
    opacity: 1;
}

.btn span,
.btn strong {
    position: relative;
    z-index: 1;
}

.btn-primary {
    background: linear-gradient(135deg, #00f0ff, #6f3bff);
    color: #020418;
    box-shadow: var(--shadow-strong);
}

.btn-secondary {
    background: rgba(0, 240, 255, 0.15);
    border: 1px solid rgba(0, 240, 255, 0.4);
}

.btn-outline {
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: transparent;
}

body.theme-light .btn-outline {
    border-color: rgba(20, 40, 80, 0.2);
}

.btn-ghost {
    padding: 0.85rem 1.3rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
}

body.theme-light .btn-ghost {
    background: rgba(20, 40, 80, 0.06);
    border-color: rgba(20, 40, 80, 0.12);
}

.btn-inline {
    padding: 0.6rem 1.1rem;
    border-radius: 999px;
    border: 1px solid rgba(0, 240, 255, 0.4);
    background: transparent;
    font-size: 0.88rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 45px -20px rgba(0, 240, 255, 0.6);
}

.hero-section {
    padding: clamp(6rem, 14vw, 10rem) clamp(1.5rem, 5vw, 4rem) 6rem;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(2rem, 6vw, 5rem);
    position: relative;
}

.hero-content h1 {
    font-size: clamp(2.6rem, 5vw, 3.8rem);
    margin: 0.8rem 0 1.4rem;
}

.hero-subtitle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: rgba(0, 240, 255, 0.75);
}

.hero-description {
    max-width: 540px;
    color: rgba(255, 255, 255, 0.7);
}

body.theme-light .hero-description {
    color: rgba(22, 26, 43, 0.7);
}

.hero-cta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 2.4rem 0 2rem;
    flex-wrap: wrap;
}

.hero-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    padding: 0;
    list-style: none;
    margin: 0;
}

.hero-highlights li {
    padding: 1rem 1.4rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
}

.hero-highlights span {
    display: block;
    font-size: 1.2rem;
    font-weight: 600;
    color: #00f0ff;
    margin-bottom: 0.3rem;
}

body.theme-light .hero-highlights li {
    background: rgba(20, 40, 80, 0.05);
    border-color: rgba(20, 40, 80, 0.08);
}

.hero-visual {
    display: grid;
    align-content: center;
    justify-items: center;
    gap: 1.8rem;
    position: relative;
}

.hero-illustration {
    width: min(420px, 75vw);
    max-width: 100%;
    filter: drop-shadow(0 30px 60px rgba(0, 240, 255, 0.16));
    z-index: 0;
}

.orbital {
    position: absolute;
    width: min(360px, 55vw);
    aspect-ratio: 1;
    margin: 0;
    inset: 0;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -20%);
    pointer-events: none;
}

.orbital-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px dashed rgba(0, 240, 255, 0.4);
    animation: spin 16s linear infinite;
}

.orbital-core {
    position: absolute;
    inset: 30%;
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: #020418;
    background: linear-gradient(135deg, #00f0ff, #6f3bff);
    box-shadow: 0 10px 45px rgba(0, 240, 255, 0.4);
    font-size: 1.6rem;
    font-weight: 700;
}

.orbital-node {
    position: absolute;
    padding: 0.6rem 1.1rem;
    border-radius: 999px;
    border: 1px solid rgba(0, 240, 255, 0.4);
    background: rgba(0, 240, 255, 0.1);
    backdrop-filter: blur(8px);
    font-weight: 600;
    letter-spacing: 0.08em;
    animation: float 8s ease-in-out infinite;
}

.orbital-node.node-1 { top: -6%; left: 50%; transform: translateX(-50%); }
.orbital-node.node-2 { bottom: 8%; right: -4%; animation-delay: 2s; }
.orbital-node.node-3 { bottom: 12%; left: -6%; animation-delay: 4s; }

.floating-card {
    padding: 1.6rem;
    border-radius: 20px;
    background: rgba(5, 12, 35, 0.75);
    border: 1px solid rgba(0, 240, 255, 0.18);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-soft);
    max-width: 320px;
    z-index: 1;
}

body.theme-light .floating-card {
    background: rgba(250, 252, 255, 0.8);
    border-color: rgba(71, 152, 255, 0.25);
}

.floating-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
}

.floating-card p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.2rem;
}

body.theme-light .floating-card p {
    color: rgba(22, 26, 43, 0.7);
}

.section {
    padding: clamp(4rem, 12vw, 7rem) clamp(1.5rem, 5vw, 4rem);
    position: relative;
}

.section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(140deg, rgba(0, 240, 255, 0.05), transparent 45%);
    opacity: 0.6;
    pointer-events: none;
}

.section-header {
    max-width: var(--max-width);
    margin: 0 auto clamp(3rem, 6vw, 4rem);
    position: relative;
    z-index: 1;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.section-header p {
    max-width: 680px;
    color: rgba(255, 255, 255, 0.75);
}

body.theme-light .section-header p {
    color: rgba(22, 26, 43, 0.7);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.8rem;
    max-width: var(--max-width);
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.product-card {
    padding: 2rem;
    border-radius: 24px;
    background: rgba(5, 12, 35, 0.75);
    border: 1px solid rgba(0, 240, 255, 0.16);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
    display: grid;
    gap: 1rem;
}

body.theme-light .product-card {
    background: rgba(255, 255, 255, 0.78);
    border-color: rgba(71, 152, 255, 0.18);
    box-shadow: 0 25px 45px -35px rgba(20, 40, 80, 0.35);
}

.product-card:hover {
    transform: translateY(-6px) scale(1.01);
    border-color: rgba(0, 240, 255, 0.4);
    box-shadow: 0 40px 80px -40px rgba(0, 240, 255, 0.45);
}

.product-icon {
    width: 3.2rem;
    height: 3.2rem;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: rgba(0, 240, 255, 0.12);
    border: 1px solid rgba(0, 240, 255, 0.22);
    overflow: hidden;
}

.product-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.1);
}

.technology-section {
    background: rgba(2, 4, 24, 0.55);
}

body.theme-light .technology-section {
    background: rgba(245, 248, 255, 0.85);
}

.technology-panels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.6rem;
    max-width: var(--max-width);
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.tech-panel {
    padding: 1.8rem;
    border-radius: 24px;
    background: linear-gradient(160deg, rgba(0, 240, 255, 0.12), rgba(10, 30, 70, 0.6));
    border: 1px solid rgba(0, 240, 255, 0.22);
    transition: transform var(--transition-base);
}

.tech-panel ul {
    padding-left: 1.1rem;
    margin: 1.2rem 0 0;
    color: rgba(255, 255, 255, 0.7);
}

body.theme-light .tech-panel {
    background: linear-gradient(160deg, rgba(71, 152, 255, 0.16), rgba(240, 245, 255, 0.92));
    border-color: rgba(71, 152, 255, 0.26);
}

.tech-panel:hover {
    transform: translateY(-4px);
}

.demos-section {
    background: rgba(0, 10, 28, 0.7);
}

body.theme-light .demos-section {
    background: rgba(234, 240, 255, 0.8);
}

.demo-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.6rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.demo-card {
    padding: 2rem;
    border-radius: 24px;
    background: rgba(5, 12, 35, 0.75);
    border: 1px solid rgba(0, 240, 255, 0.18);
    display: grid;
    gap: 1.2rem;
    box-shadow: var(--shadow-soft);
}

body.theme-light .demo-card {
    background: rgba(255, 255, 255, 0.84);
    border-color: rgba(71, 152, 255, 0.18);
}

.demo-preview {
    height: 180px;
    border-radius: 20px;
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.3);
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

body.theme-light .demo-preview {
    border-color: rgba(71, 152, 255, 0.26);
}

.demo-preview::before,
.demo-preview::after {
    content: "";
    position: absolute;
    width: 120%;
    height: 120%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(0deg);
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3), transparent 65%);
    opacity: 0;
    animation: pulse 6s ease-in-out infinite;
}

.demo-preview::after {
    animation-delay: 2s;
}

.demo-preview::before {
    opacity: 1;
    background: linear-gradient(180deg, rgba(2, 6, 24, 0.2), transparent 45%, rgba(2, 6, 24, 0.4));
    mix-blend-mode: screen;
    animation: none;
}

.demo-preview.vr-preview {
    background-image: url("assets/demo-vr-preview.svg");
}

.demo-preview.ai-preview {
    background-image: url("assets/demo-ai-preview.svg");
}

.demo-preview.data-preview {
    background-image: url("assets/demo-analytics-preview.svg");
}

.solutions-section {
    background: transparent;
}

.solution-flow {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.6rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.flow-step {
    padding: 2rem;
    border-radius: 24px;
    background: rgba(5, 12, 35, 0.8);
    border: 1px solid rgba(0, 240, 255, 0.18);
    position: relative;
    overflow: hidden;
}

.flow-step::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(0, 240, 255, 0.12), rgba(111, 59, 255, 0.12));
    opacity: 0.6;
    pointer-events: none;
}

.step-index {
    font-size: 2.4rem;
    font-weight: 700;
    color: rgba(0, 240, 255, 0.6);
}

.flow-step ul {
    margin: 1.4rem 0 0;
    padding-left: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
}

body.theme-light .flow-step {
    background: rgba(255, 255, 255, 0.86);
    border-color: rgba(71, 152, 255, 0.22);
}

.contact-section {
    background: rgba(0, 10, 28, 0.85);
}

body.theme-light .contact-section {
    background: rgba(240, 245, 255, 0.92);
}

.contact-content {
    display: grid;
    grid-template-columns: minmax(0, 480px) minmax(0, 1fr);
    gap: 2.4rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.contact-form,
.contact-info {
    position: relative;
    z-index: 1;
}

.contact-form {
    padding: 2rem;
    border-radius: 24px;
    background: rgba(2, 6, 24, 0.85);
    border: 1px solid rgba(0, 240, 255, 0.2);
    display: grid;
    gap: 1.2rem;
}

body.theme-light .contact-form {
    background: rgba(255, 255, 255, 0.88);
    border-color: rgba(71, 152, 255, 0.2);
}

.form-field {
    display: grid;
    gap: 0.6rem;
}

.form-field label {
    font-weight: 600;
    letter-spacing: 0.04em;
}

.form-field input,
.form-field select,
.form-field textarea {
    padding: 0.85rem 1rem;
    border-radius: 12px;
    border: 1px solid rgba(0, 240, 255, 0.24);
    background: rgba(0, 10, 28, 0.55);
    color: inherit;
    font: inherit;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-field textarea {
    resize: vertical;
}

body.theme-light .form-field input,
body.theme-light .form-field select,
body.theme-light .form-field textarea {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(71, 152, 255, 0.22);
    color: inherit;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: rgba(0, 240, 255, 0.6);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.2);
}

.contact-info {
    display: grid;
    gap: 1.5rem;
}

.info-block {
    padding: 1.8rem;
    border-radius: 20px;
    background: rgba(2, 6, 24, 0.8);
    border: 1px solid rgba(0, 240, 255, 0.18);
}

body.theme-light .info-block {
    background: rgba(255, 255, 255, 0.86);
    border-color: rgba(71, 152, 255, 0.18);
}

.chatbot-avatar {
    width: 120px;
    height: auto;
    display: block;
    margin: 0.8rem 0 1.4rem;
    border-radius: 28px;
    box-shadow: 0 20px 40px -24px rgba(0, 240, 255, 0.5);
}

.contact-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
    display: grid;
    gap: 0.6rem;
    color: rgba(255, 255, 255, 0.7);
}

body.theme-light .contact-list {
    color: rgba(22, 26, 43, 0.7);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: inherit;
    text-decoration: none;
    position: relative;
}

.social-links a::after {
    content: "";
    position: absolute;
    bottom: -0.2rem;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, rgba(0, 240, 255, 0.9), rgba(111, 59, 255, 0.9));
    transform-origin: left;
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.social-links a:hover::after,
.social-links a:focus-visible::after {
    transform: scaleX(1);
}

.site-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 2rem clamp(1.5rem, 5vw, 4rem);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    background: rgba(5, 10, 30, 0.75);
}

body.theme-light .site-footer {
    background: rgba(250, 252, 255, 0.92);
    border-top-color: rgba(20, 40, 80, 0.08);
}

.footer-links {
    display: flex;
    gap: 1.4rem;
}

.footer-links a {
    color: inherit;
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 0.04em;
}

.demo-modal {
    position: fixed;
    inset: 0;
    background: rgba(2, 4, 18, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease;
    z-index: 50;
}

.demo-modal.is-active {
    opacity: 1;
    visibility: visible;
}

.demo-modal-content {
    position: relative;
    width: min(520px, 90vw);
    border-radius: 24px;
    padding: 2.4rem;
    background: rgba(5, 12, 35, 0.92);
    border: 1px solid rgba(0, 240, 255, 0.28);
    box-shadow: 0 40px 90px -30px rgba(0, 240, 255, 0.4);
}

body.theme-light .demo-modal-content {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(71, 152, 255, 0.26);
}

.modal-close {
    position: absolute;
    top: 1.2rem;
    right: 1.2rem;
    width: 2.2rem;
    height: 2.2rem;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: transparent;
    color: inherit;
    font-size: 1.4rem;
    cursor: pointer;
}

.modal-body {
    display: grid;
    gap: 1.2rem;
}

.modal-preview {
    border-radius: 18px;
    border: 1px solid rgba(0, 240, 255, 0.24);
    background: linear-gradient(160deg, rgba(0, 240, 255, 0.18), rgba(111, 59, 255, 0.18));
    padding: 1.4rem;
}

.preview-sim {
    display: grid;
    gap: 0.8rem;
}

.sim-screen {
    height: 180px;
    border-radius: 16px;
    background: rgba(2, 10, 32, 0.88);
    display: grid;
    place-items: center;
    color: rgba(0, 240, 255, 0.8);
    font-weight: 700;
    letter-spacing: 0.3em;
}

body.theme-light .sim-screen {
    background: rgba(18, 30, 80, 0.12);
    color: rgba(20, 40, 80, 0.7);
}

.sim-ui {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.4rem;
}

.sim-ui span {
    height: 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.3);
}

body.theme-light .sim-ui span {
    background: rgba(20, 40, 60, 0.15);
}

[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].is-visible {
    opacity: 1;
    transform: translateY(0);
}

.product-card:hover .product-icon,
.demo-card:hover .demo-preview {
    box-shadow: 0 25px 75px -40px rgba(0, 240, 255, 0.55);
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes pulse {
    0%, 100% { opacity: 0; transform: translate(-50%, -50%) scale(0.85) rotate(0deg); }
    40% { opacity: 1; transform: translate(-50%, -50%) scale(1.05) rotate(15deg); }
}

@media (max-width: 1024px) {
    .site-header {
        gap: 1.4rem;
        flex-wrap: wrap;
    }

    .site-nav {
        order: 3;
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 1.2rem;
    }

    .hero-section {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        order: 2;
    }

    .hero-highlights {
        justify-items: center;
    }

    .hero-visual {
        order: 1;
        margin-bottom: 2rem;
    }

    .hero-illustration {
        width: min(360px, 80vw);
    }

    .orbital {
        position: relative;
        inset: auto;
        top: auto;
        left: auto;
        transform: none;
        margin: 0 auto;
    }

    .floating-card {
        margin: 0 auto;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .site-header {
        padding: 0.9rem 1.2rem;
    }

    .header-actions .btn-outline {
        display: none;
    }

    .hero-section {
        padding: 5rem 1.2rem 4rem;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-illustration {
        width: min(300px, 85vw);
    }

    .product-card,
    .demo-card,
    .flow-step,
    .contact-form,
    .info-block {
        padding: 1.6rem;
    }

    .section {
        padding: 3.5rem 1.2rem;
    }

    .site-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}