html {
    scroll-behavior: smooth;
}

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

body {
    font-family: Inter, Arial, sans-serif;
    background: #f5f6f8;
    color: #111;
}

.container {
    width: min(1200px, 92%);
    margin: auto;
}

.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 24px 0;
    transition: background-color 0.3s ease, backdrop-filter 0.3s ease, padding 0.3s ease, border-color 0.3s ease;
    border-bottom: 1px solid transparent;
}

.main-header.scrolled {
    background-color: rgba(2, 8, 23, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 14px 0;
    border-color: rgba(255, 255, 255, 0.08);
}

.hero {
    background: linear-gradient(135deg, #020817, #071d49 60%, #18082f);
    color: #fff;
    padding: 120px 0 80px;
    overflow-x: clip;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 32px;
    font-weight: 700;
    width: 100%;
    max-width: 180px;
}

.menu {
    display: flex;
    gap: 32px;
}

.menu a {
    color: #ddd;
    text-decoration: none;
}

.btn {
    padding: 14px 24px;
    border-radius: 14px;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(90deg, #4f46e5, #ec4899);
    color: #fff;
}

.btn-secondary {
    border: 1px solid rgba(255, 255, 255, .25);
    color: #fff;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1.25fr;
    gap: 32px;
    align-items: center;
    margin-top: 60px;
}

.image-container {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    overflow: visible;
}

.image-container img {
    width: 100%;
    max-width: 580px;
    height: auto;
    display: block;
    transform: scale(1.2);
    transform-origin: center right;
}

.badge {
    display: inline-block;
    padding: 10px 16px;
    border: 1px solid #1f9d55;
    border-radius: 999px;
    margin-bottom: 24px;
}

h1 {
    font-size: clamp(40px, 5.5vw, 64px);
    line-height: 1.05;
    margin-bottom: 20px;
}

.lead {
    font-size: clamp(18px, 2vw, 22px);
    color: #d8d8d8;
    max-width: 520px;
}

.cta {
    display: flex;
    gap: 16px;
    margin: 32px 0;
}

.mockup {
    background: #fff;
    border-radius: 24px;
    padding: 18px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, .35);
}

img {
    width: 100%;
    /* border-radius: 14px; */
}

.features {
    display: flex;
    gap: 30px;
    color: #d5d5d5;
    margin-top: 20px;
    font-size: 14px;
}

.features .material-icons {
    font-size: 18px;
    color: #5bd291;
    margin-right: 4px;
}

.badge .material-icons {
    font-size: 16px;
    color: #5bd291;
    vertical-align: middle;
    margin-right: 4px;
}

.steps-section {
    padding-bottom: 0;
}

.steps-card {
    background: #fff;
    border-radius: 28px;
    padding: 48px 56px;
}

.steps-title {
    text-align: center;
    font-weight: 700;
    margin-bottom: 48px;
    color: #111;
}

.steps-row {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 12px;
}

.step-item {
    flex: 1;
    max-width: 280px;
    text-align: left;
}

.step-number {
    display: inline-flex;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #ede9fe;
    color: #5b21b6;
    font-size: 14px;
    font-weight: 700;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.step-icon {
    font-size: 36px !important;
    color: #6366f1 !important;
    display: block;
    margin-bottom: 12px;
}

.step-item h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #111;
}

.step-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
}

.step-arrow {
    color: #d1d5db;
    font-size: 28px;
    margin-top: 48px;
    flex-shrink: 0;
}

/* .cta-section {
    padding-top: 30px;
} */

section {
    padding: 30px 0 0 0;
    scroll-margin-top: 90px;
}

.card {
    background: #fff;
    border-radius: 28px;
    padding: 60px;
    margin-bottom: 30px;
}

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

h2 {
    font-size: 54px;
    margin-bottom: 20px;
}

p {
    line-height: 1.6;
}

.dark-band {
    background: linear-gradient(135deg, #020817, #071d49);
    color: #fff;
    border-radius: 28px;
    padding: 60px;
}

.dark-band-icon {
    font-size: 48px;
    vertical-align: middle;
    margin-right: 10px;
}

.gradient-text {
    background: linear-gradient(90deg, #c084fc, #818cf8 45%, #60a5fa);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    font-weight: 700;
    filter: drop-shadow(0 0 18px rgba(129, 140, 248, 0.45));
}

.final {
    background: linear-gradient(90deg, #4338ca, #a855f7 55%, #ec4899);
    color: #fff;
    border-radius: 28px;
    padding: 56px 60px;
    display: grid;
    grid-template-columns: 1.15fr 1fr auto;
    gap: 40px;
    align-items: center;
}

.final-headline h2 {
    font-size: clamp(28px, 3.5vw, 38px);
    margin: 0;
    line-height: 1.15;
}

.final-benefits {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.final-benefits li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
}

.final-benefits .material-icons {
    font-size: 20px;
    color: #4ade80;
}

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

.btn {


    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.btn .material-icons {
    font-size: 20px;
    margin: 0;
}

.btn-white {
    background: #fff;
    color: #4338ca;
    font-weight: 600;
}

.final-disclaimer {
    font-size: 12px;
    opacity: 0.85;
    margin-top: 12px;
}

footer {
    background: #061227;
    color: #94a3b8;
    padding: 60px 0 0;
    margin-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    text-align: left;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.footer-brand strong {
    color: #fff;
    font-size: 20px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.6;
    max-width: 280px;
}

.footer-nav h4,
.footer-contact h4 {
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-nav ul,
.footer-contact ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-nav a,
.footer-contact a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.footer-nav a:hover,
.footer-contact a:hover {
    color: #fff;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.footer-contact .material-icons {
    font-size: 18px;
    color: #64748b;
    flex-shrink: 0;
}

.footer-bottom {
    text-align: center;
    padding: 24px 0;
}

.footer-bottom p {
    font-size: 13px;
    color: #64748b;
}

a .material-icons {
    font-size: 18px;
    margin-right: 4px;
}

body.modal-open {
    overflow: hidden;
}

.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

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

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 8, 23, 0.75);
    backdrop-filter: blur(4px);
}

.modal-panel {
    position: relative;
    width: min(900px, 100%);
    max-height: calc(100vh - 48px);
    overflow-y: auto;
    background: #fff;
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
    transform: translateY(16px) scale(0.98);
    transition: transform 0.25s ease;
}

.modal.is-open .modal-panel {
    transform: translateY(0) scale(1);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: #f1f5f9;
    color: #334155;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.modal-close:hover {
    background: #e2e8f0;
}

.modal-panel h2 {
    font-size: 28px;
    margin-bottom: 8px;
    color: #111;
    padding-right: 40px;
}

.modal-lead {
    color: #64748b;
    font-size: 16px;
    margin-bottom: 24px;
}

.modal-demo {
    border-radius: 16px;
    overflow: hidden;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}

.modal-demo img {
    width: 100%;
    display: block;
}

.modal-caption {
    margin-top: 20px;
    font-size: 15px;
    color: #64748b;
    text-align: center;
}

.modal-panel--form {
    width: min(560px, 100%);
}

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

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

.form-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    text-align: left;
}

.form-field span {
    font-size: 14px;
    font-weight: 600;
    color: #334155;
}

.form-field input,
.form-field textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    font: inherit;
    font-size: 15px;
    color: #111;
    background: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-field textarea {
    resize: vertical;
    min-height: 100px;
}

.honeypot {
    display: none;
}

.btn-submit {
    margin-top: 8px;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
}

.btn-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-submit .material-icons {
    margin: 0;
    font-size: 20px;
}

.form-success {
    text-align: center;
    padding: 20px 0;
}

.form-success-icon {
    font-size: 56px !important;
    color: #22c55e;
    margin-bottom: 16px;
}

.form-success h2 {
    font-size: 24px;
    margin-bottom: 12px;
}

.form-success p {
    color: #64748b;
    margin-bottom: 24px;
}

.form-success .btn {
    border: none;
    cursor: pointer;
}

/* FAQ Section */
.faq-section {
    padding: 90px 0 30px;
    max-width: 800px;
    margin: 0 auto;
}

.faq-title {
    text-align: center;
    font-weight: 700;
    margin-bottom: 40px;
    color: #111;
}

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

.faq-item {
    background: #fff;
    border-radius: 20px;
    border: 1px solid #e2e8f0;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.faq-item[open] {
    border-color: #6366f1;
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.08);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    font-size: 18px;
    font-weight: 600;
    color: #1e293b;
    cursor: pointer;
    list-style: none;
    user-select: none;
    transition: color 0.2s ease;
}

.faq-question:hover {
    color: #6366f1;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-icon {
    color: #64748b;
    transition: transform 0.3s ease, color 0.3s ease;
}

.faq-item[open] .faq-icon {
    transform: rotate(180deg);
    color: #6366f1;
}

.faq-answer {
    padding: 0 24px 24px;
    font-size: 15px;
    line-height: 1.6;
    color: #475569;
}

.faq-answer p {
    margin: 0;
}

/* Pricing Section */
.pricing-section {
    padding: 80px 0 40px;
    text-align: center;
}

.pricing-title {
    font-weight: 700;
    margin-bottom: 12px;
    color: #111;
}

.pricing-subtitle {
    color: #64748b;
    font-size: 18px;
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: #fff;
    border-radius: 28px;
    border: 1px solid #e2e8f0;
    padding: 40px;
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.04);
}

.pricing-card.featured {
    border-color: #6366f1;
    box-shadow: 0 15px 35px rgba(99, 102, 241, 0.08);
}

.pricing-card.featured:hover {
    box-shadow: 0 25px 50px rgba(99, 102, 241, 0.15);
}

.pricing-badge {
    display: inline-block;
    padding: 6px 12px;
    background: #f1f5f9;
    color: #475569;
    font-size: 12px;
    font-weight: 700;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
    width: fit-content;
}

.gradient-badge {
    background: linear-gradient(90deg, #4f46e5, #ec4899);
    color: #fff;
}

.pricing-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 12px;
}

.pricing-desc {
    font-size: 14px;
    color: #64748b;
    line-height: 1.5;
    margin-bottom: 28px;
    min-height: 42px;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    color: #1e293b;
    margin-bottom: 28px;
}

.pricing-price .currency {
    font-size: 24px;
    font-weight: 700;
    align-self: flex-start;
    margin-top: 4px;
}

.pricing-price .amount {
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -1px;
}

.pricing-price .amount.text-consult {
    font-size: 36px;
    letter-spacing: normal;
}

.pricing-price .period {
    font-size: 14px;
    color: #64748b;
    margin-left: 8px;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 40px 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex-grow: 1;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: #475569;
}

.pricing-features .material-icons {
    font-size: 20px;
    flex-shrink: 0;
}

.text-green {
    color: #22c55e;
}

.text-indigo {
    color: #6366f1;
}

.pricing-card .btn-secondary {
    border: 1px solid #6366f1;
    color: #6366f1;
    background: transparent;
    transition: background 0.2s, color 0.2s;
}

.pricing-card .btn-secondary:hover {
    background: #6366f1;
    color: #fff;
}

.pricing-action .btn {
    width: 100%;
    justify-content: center;
    font-weight: 600;
}

/* More Features Section */
.more-features-section {
    padding: 80px 0 40px;
    text-align: center;
}

.more-features-title {
    font-weight: 700;
    margin-bottom: 12px;
    color: #111;
}

.more-features-subtitle {
    color: #64748b;
    font-size: 18px;
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.feature-item {
    background: #fff;
    border-radius: 24px;
    padding: 32px 24px;
    text-align: center;
    border: 1px solid #e2e8f0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.04);
}

.feature-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.feature-item:hover .feature-icon-wrapper {
    transform: scale(1.05);
}

.feature-icon-wrapper .material-icons {
    font-size: 32px;
}

/* Feature Colors matching the capture */
.feature-icon-wrapper.purple {
    background-color: #f5f3ff;
    color: #8b5cf6;
}

.feature-icon-wrapper.blue {
    background-color: #eff6ff;
    color: #3b82f6;
}

.feature-icon-wrapper.green {
    background-color: #ecfdf5;
    color: #10b981;
}

.feature-icon-wrapper.orange {
    background-color: #fff7ed;
    color: #f97316;
}

.feature-icon-wrapper.red {
    background-color: #fef2f2;
    color: #ef4444;
}

.feature-icon-wrapper.indigo {
    background-color: #e0e7ff;
    color: #6366f1;
}

.feature-icon-wrapper.sky-blue {
    background-color: #f0f9ff;
    color: #0284c7;
}

.feature-icon-wrapper.emerald {
    background-color: #f0fdf4;
    color: #22c55e;
}

.feature-item h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 10px;
}

.feature-item p {
    font-size: 14px;
    color: #64748b;
    line-height: 1.5;
    margin: 0;
}

/* Hamburger button — hidden on desktop */
.nav-hamburger {
    display: none;
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 6px;
    border-radius: 10px;
    transition: background 0.2s;
}

.nav-hamburger:hover {
    background: rgba(255, 255, 255, 0.1);
}

.nav-hamburger .material-icons {
    font-size: 28px;
    margin: 0;
    display: block;
}

/* Mobile drawer */
.mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100dvh;
    z-index: 200;
    visibility: hidden;
    pointer-events: none;
}

.mobile-drawer.is-open {
    visibility: visible;
    pointer-events: auto;
}

.mobile-drawer-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(2, 8, 23, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.3s ease;
    cursor: pointer;
}

.mobile-drawer.is-open .mobile-drawer-backdrop {
    opacity: 1;
}

.mobile-drawer-panel {
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    width: min(320px, 82vw);
    background: #0b1629;
    display: flex;
    flex-direction: column;
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.5);
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

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

.mobile-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 20px 20px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.mobile-drawer-logo {
    width: auto;
    max-width: 130px;
    height: 32px;
    object-fit: contain;
}

.mobile-drawer-close {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.07);
    border: none;
    color: #cbd5e1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s;
    flex-shrink: 0;
}

.mobile-drawer-close:hover {
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
}

.mobile-drawer-close .material-icons {
    font-size: 22px;
    margin: 0;
}

.mobile-drawer-nav {
    display: flex;
    flex-direction: column;
    padding: 8px 0;
}

.mobile-menu-link {
    display: block;
    width: 100%;
    color: #cbd5e1;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    height: 52px;
    line-height: 52px;
    padding: 0 24px;
    transition: background 0.2s, color 0.2s;
    flex-shrink: 0;
}

.mobile-menu-link .material-icons {
    display: none;
}

.mobile-menu-link:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.mobile-drawer-footer {
    padding: 20px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.mobile-menu-cta {
    width: 100%;
    justify-content: center;
    font-size: 15px;
    font-weight: 600;
    padding: 14px 20px;
    border-radius: 14px;
}

@media (max-width: 900px) {

    .more-features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    nav .menu,
    nav>.btn {
        display: none;
    }

    .nav-hamburger {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .pricing-card {
        padding: 28px;
    }

    /* nav {
        justify-content: center;
    } */

    .hero-grid,
    .two-col,
    .final,
    .footer-grid {
        grid-template-columns: 1fr;
        display: grid;
    }

    .steps-row {
        flex-direction: column;
        align-items: stretch;
    }

    .step-arrow {
        display: none;
    }

    .step-item {
        max-width: none;
    }

    .steps-card {
        padding: 32px 24px;
    }

    .final {
        text-align: center;
        padding: 40px 28px;
        gap: 28px;
    }

    .final-benefits {
        align-items: center;
    }

    .final-benefits li {
        justify-content: center;
    }

    .image-container {
        justify-content: center;
        margin-top: 24px;
    }

    .image-container img {
        width: 100%;
        max-width: 520px;
        transform: none;
    }

    h1 {
        font-size: 48px;
    }

    h2 {
        font-size: 38px;
    }

    .modal-panel {
        padding: 28px 20px;
    }

    .modal-panel h2 {
        font-size: 22px;
    }

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

@media (max-width: 600px) {
    .more-features-grid {
        grid-template-columns: 1fr;
    }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(90deg, #4f46e5, #ec4899);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
    z-index: 99;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.45);
}

.back-to-top:active {
    transform: translateY(-2px) scale(0.95);
}

.back-to-top .material-icons {
    font-size: 24px;
    margin: 0;
}

/* Demo Slider */
.demo-slider {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    user-select: none;
}

.demo-slider-track {
    display: flex;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.demo-slide {
    min-width: 100%;
    display: block;
}

.demo-slide img {
    width: 100%;
    display: block;
}

/* Arrows */
.demo-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid #e2e8f0;
    color: #334155;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: background 0.2s, box-shadow 0.2s, opacity 0.2s;
    z-index: 2;
    opacity: 0;
    pointer-events: none;
}

.demo-arrow:hover {
    background: #fff;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.demo-arrow:disabled {
    opacity: 0 !important;
    cursor: default;
    pointer-events: none;
}

.demo-arrow .material-icons {
    font-size: 24px;
    margin: 0;
}

.demo-arrow--prev { left: 10px; }
.demo-arrow--next { right: 10px; }

/* Hover zones — invisible overlays that reveal each arrow */
.demo-hover-zone {
    position: absolute;
    top: 0;
    width: 25%;
    height: 100%;
    z-index: 1;
}

.demo-hover-zone--prev { left: 0; }
.demo-hover-zone--next { right: 0; }

.demo-hover-zone--prev:hover ~ .demo-arrow--prev,
.demo-arrow--prev:hover {
    opacity: 1;
    pointer-events: auto;
}

.demo-hover-zone--next:hover ~ .demo-arrow--next,
.demo-arrow--next:hover {
    opacity: 1;
    pointer-events: auto;
}

/* Dots */
.demo-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
}

.demo-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #cbd5e1;
    border: none;
    padding: 0;
    cursor: pointer;
    transition: background 0.25s, transform 0.25s;
    flex-shrink: 0;
}

.demo-dot.is-active {
    background: #7c3aed;
    transform: scale(1.3);
}

.demo-dot:hover:not(.is-active) {
    background: #94a3b8;
}

/* Card demo link */
.card-demo-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 20px;
    color: #6366f1;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: gap 0.2s, color 0.2s;
}

.card-demo-link .material-icons {
    font-size: 20px;
    margin: 0;
    transition: transform 0.2s;
}

.card-demo-link:hover {
    color: #4f46e5;
    gap: 10px;
}