@import url("https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Inter:wght@400;500;600;700;800&display=swap");

:root {
    --bg: #0f1413;
    --bg-strong: #131918;
    --surface: rgba(22, 29, 28, 0.88);
    --surface-strong: #1c2322;
    --surface-soft: rgba(255, 255, 255, 0.03);
    --line: rgba(255, 255, 255, 0.1);
    --line-strong: rgba(255, 255, 255, 0.18);
    --text: #f5f4ef;
    --text-muted: #b7beb9;
    --text-soft: #8d9792;
    --mint: #51c792;
    --gold: #f1bb54;
    --coral: #ff7c5c;
    --sky: #6eceff;
    --shadow-lg: 0 28px 80px rgba(0, 0, 0, 0.38);
    --shadow-md: 0 18px 48px rgba(0, 0, 0, 0.28);
    --radius-sm: 8px;
    --radius-device: 34px;
    --container: 1220px;
    --container-wide: 1380px;
    --transition: 220ms ease;
    --font-sans: "Inter", sans-serif;
    --font-serif: "Instrument Serif", serif;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: clip;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background:
        linear-gradient(145deg, rgba(81, 199, 146, 0.08), transparent 22%),
        linear-gradient(325deg, rgba(255, 124, 92, 0.1), transparent 28%),
        linear-gradient(180deg, #0f1413 0%, #121817 100%);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

main {
    overflow-x: clip;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 70%);
    pointer-events: none;
    z-index: -1;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font: inherit;
}

.container {
    width: min(100% - 32px, var(--container));
    margin: 0 auto;
}

.container--wide {
    width: min(100% - 32px, var(--container-wide));
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(18px);
    background: rgba(15, 20, 19, 0.72);
    border-bottom: 1px solid transparent;
    transition: background var(--transition), border-color var(--transition);
}

.site-header.is-scrolled {
    background: rgba(15, 20, 19, 0.9);
    border-color: var(--line);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 82px;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    font-weight: 700;
    white-space: nowrap;
}

.brand img {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
}

.nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav a,
.mobile-menu a {
    color: var(--text-muted);
    font-size: 0.95rem;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    transition: background var(--transition), color var(--transition);
}

.nav a:hover,
.nav a.is-active,
.mobile-menu a:hover {
    background: var(--surface-soft);
    color: var(--text);
}

.header__actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.button,
.social-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 48px;
    padding: 0 20px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    transition: transform var(--transition), border-color var(--transition), background var(--transition), color var(--transition);
}

.button:hover,
.social-button:hover {
    transform: translateY(-2px);
}

.button--primary {
    background: linear-gradient(90deg, var(--mint), var(--gold) 55%, var(--coral));
    color: #10211a;
    box-shadow: 0 16px 38px rgba(81, 199, 146, 0.18);
}

.button--ghost {
    background: rgba(255, 255, 255, 0.02);
    border-color: var(--line);
    color: var(--text);
}

.button--ghost:hover {
    border-color: var(--line-strong);
    background: rgba(255, 255, 255, 0.06);
}

.button--sm {
    min-height: 40px;
    padding: 0 16px;
    font-size: 0.88rem;
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.02);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
}

.menu-toggle span {
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: var(--text);
}

.mobile-menu {
    display: none;
    padding: 0 16px 16px;
    border-top: 1px solid var(--line);
    background: rgba(15, 20, 19, 0.96);
}

.mobile-menu.is-open {
    display: grid;
}

.hero {
    position: relative;
    min-height: clamp(820px, 86svh, 1120px);
    padding: 24px 0 96px;
    overflow: clip;
}

.hero__mesh,
.hero__wash {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero__mesh {
    background:
        linear-gradient(135deg, rgba(81, 199, 146, 0.08), transparent 25%),
        linear-gradient(315deg, rgba(110, 206, 255, 0.08), transparent 28%),
        linear-gradient(45deg, rgba(241, 187, 84, 0.06), transparent 24%);
    opacity: 0.8;
}

.hero__wash {
    background: linear-gradient(180deg, rgba(15, 20, 19, 0.2), rgba(15, 20, 19, 0.62) 70%, rgba(15, 20, 19, 0.88));
}

.hero__layout {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 660px) 1fr;
    align-items: center;
    gap: 32px;
    min-height: clamp(720px, calc(80svh - 96px), 980px);
}

.hero__content {
    position: relative;
    z-index: 2;
    padding: 36px 0 84px;
    min-width: 0;
}

.eyebrow,
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 0.84rem;
    font-weight: 600;
}

.eyebrow__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--mint), var(--gold));
}

.hero__title,
.section-title {
    margin: 18px 0 0;
    font-size: clamp(2.75rem, 5.7vw, 5.6rem);
    line-height: 0.98;
    letter-spacing: 0;
    font-weight: 800;
}

.hero__title em {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
    color: var(--gold);
}

.hero__copy,
.section-copy {
    max-width: 640px;
    margin: 26px 0 0;
    color: var(--text-muted);
    font-size: 1.08rem;
}

.hero__actions,
.hero__community {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 28px;
}

.hero__community {
    margin-top: 16px;
}

.social-button {
    min-height: 44px;
    padding: 0 18px;
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.04);
}

.social-button--facebook:hover {
    border-color: rgba(24, 119, 242, 0.5);
    background: rgba(24, 119, 242, 0.12);
}

.social-button--whatsapp:hover {
    border-color: rgba(37, 211, 102, 0.5);
    background: rgba(37, 211, 102, 0.12);
}

.hero__highlights {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin: 34px 0 0;
    padding: 0;
    list-style: none;
}

.hero__highlights li {
    padding: 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
}

.hero__highlights strong {
    display: block;
    margin-bottom: 6px;
    font-size: 0.96rem;
}

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

.hero__scene {
    position: relative;
    min-height: clamp(540px, 56vw, 720px);
}

.scene-device {
    position: absolute;
    will-change: transform;
    animation: float 9s ease-in-out infinite;
}

.scene-device--left {
    left: 2%;
    bottom: 14%;
    width: clamp(210px, 20vw, 270px);
    transform: rotate(-10deg);
    animation-delay: -2s;
}

.scene-device--center {
    left: 28%;
    bottom: 4%;
    width: clamp(250px, 24vw, 330px);
    transform: rotate(-1deg);
}

.scene-device--right {
    right: 2%;
    top: 10%;
    width: clamp(220px, 21vw, 285px);
    transform: rotate(9deg);
    animation-delay: -4s;
}

.scene-note {
    position: absolute;
    z-index: 2;
    min-width: 190px;
    padding: 14px 16px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-sm);
    background: rgba(15, 20, 19, 0.72);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(14px);
}

.scene-note span {
    display: block;
    color: var(--text-soft);
    font-size: 0.82rem;
}

.scene-note strong {
    display: block;
    margin-top: 4px;
    font-size: 1rem;
}

.scene-note--bottom {
    right: 10%;
    bottom: 4%;
}

.device-frame {
    position: relative;
    padding: 9px 9px 11px;
    border-radius: 38px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.01)),
        linear-gradient(180deg, #202526, #111514 78%);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.12),
        inset 0 -1px 0 rgba(0, 0, 0, 0.24),
        var(--shadow-lg);
}

.device-frame::before {
    display: none;
    content: "";
    position: absolute;
    top: 14px;
    left: 50%;
    width: 54px;
    height: 4px;
    transform: translateX(-50%);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
}

.device-frame__camera {
    display: none;
    width: 12px;
    height: 12px;
    margin: 6px auto 10px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 35%, #151919 0, #070a0a 55%, #010101 100%);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.08),
        0 0 0 4px rgba(0, 0, 0, 0.2);
}

.device-frame__screen {
    overflow: hidden;
    aspect-ratio: 9 / 19.5;
    border-radius: 30px;
    background: #dbe3de;
}

.device-frame__screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.device-frame--large {
    max-width: 360px;
    margin-left: auto;
}

.hero__ticker {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 18px;
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}

.hero__ticker-track {
    display: flex;
    align-items: center;
    gap: 18px;
    width: max-content;
    animation: marquee 26s linear infinite;
}

.hero__ticker-track span {
    padding: 10px 16px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-muted);
    font-size: 0.88rem;
    white-space: nowrap;
}

.section {
    position: relative;
    padding: 108px 0;
}

.section--proof {
    margin-top: -46px;
    padding-top: 0;
}

.section-heading {
    margin-bottom: 34px;
}

.section-heading--split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
    gap: 24px;
    align-items: end;
}

.proof-grid,
.feature-grid,
.reader-modes-grid,
.security-grid,
.screens-grid,
.premium-grid,
.contact-grid {
    display: grid;
    gap: 18px;
}

.proof-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.proof-card,
.feature-card,
.reader-mode-card,
.demo-video-card,
.demo-info-card,
.security-card,
.premium-card,
.contact-card {
    min-width: 0;
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface);
    box-shadow: var(--shadow-md);
}

.proof-card__value {
    display: inline-block;
    margin-bottom: 14px;
    color: var(--gold);
    font-size: 1.1rem;
    font-weight: 700;
}

.proof-card h3,
.feature-card h3,
.reader-mode-card h3,
.assistant-list__item h3,
.workflow-step h3,
.demo-info-card h3,
.security-card h3,
.screen-card h3,
.premium-card h3,
.contact-card h3 {
    margin: 0 0 8px;
    font-size: 1.14rem;
    letter-spacing: 0;
}

.proof-card p,
.feature-card p,
.reader-mode-card p,
.assistant-list__item p,
.workflow-step p,
.demo-info-card p,
.security-card p,
.screen-card p,
.premium-card p,
.contact-card p,
.assistant__meta span,
.assistant__meta strong,
.security-bar__item span,
.security-bar__item strong,
.footer__copy {
    margin: 0;
    color: var(--text-muted);
}

.feature-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card--wide {
    grid-column: span 2;
}

.section--reader-modes {
    background:
        radial-gradient(circle at 14% 24%, rgba(124, 200, 255, 0.12), transparent 44%),
        radial-gradient(circle at 82% 76%, rgba(115, 217, 177, 0.1), transparent 46%);
}

.reader-modes-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mode-chip-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
}

.mode-chip {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 12px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-muted);
    font-size: 0.86rem;
    font-weight: 600;
}

.reader-mode-list {
    margin: 14px 0 0;
    padding-left: 18px;
    color: var(--text-muted);
}

.reader-mode-list li + li {
    margin-top: 8px;
}

.reader-mode-meta {
    margin-top: 12px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.03);
}

.reader-mode-meta span {
    display: block;
    color: var(--text-soft);
    font-size: 0.82rem;
}

.reader-mode-meta strong {
    display: block;
    margin-top: 5px;
    color: var(--text);
    font-size: 0.94rem;
}

.reader-mode-flow {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.reader-mode-flow article {
    padding: 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.03);
}

.reader-mode-flow span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 24px;
    border-radius: 999px;
    margin-bottom: 10px;
    padding: 0 8px;
    font-size: 0.74rem;
    font-weight: 700;
    color: var(--mint);
    background: rgba(81, 199, 146, 0.14);
}

.reader-mode-flow h3 {
    margin: 0 0 6px;
    font-size: 1rem;
}

.reader-mode-flow p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.reader-mode-showcase {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 28px;
    justify-items: center;
}

.reader-mode-preview {
    min-width: 0;
    width: 100%;
    max-width: 300px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.035);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.reader-mode-preview .device-frame--gallery {
    margin-bottom: 16px;
}

.reader-mode-preview h3 {
    margin: 0 0 8px;
    font-size: 1.06rem;
    letter-spacing: 0;
}

.reader-mode-preview p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.feature-card__icon,
.contact-card__icon {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.06);
    color: var(--gold);
    font-size: 1rem;
}

.assistant,
.workflow {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 30px;
    align-items: center;
}

.assistant__panel {
    display: grid;
    grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
    gap: 20px;
    align-items: center;
}

.assistant-list {
    display: grid;
    gap: 16px;
    margin-top: 28px;
}

.assistant-list__item {
    display: grid;
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 16px;
    min-width: 0;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.03);
}

.assistant-list__item span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    border-radius: var(--radius-sm);
    background: rgba(81, 199, 146, 0.12);
    color: var(--mint);
    font-weight: 700;
}

.assistant__meta {
    display: grid;
    gap: 14px;
}

.assistant__meta div {
    min-width: 0;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.03);
}

.assistant__meta span {
    display: block;
    font-size: 0.84rem;
}

.assistant__meta strong {
    display: block;
    margin-top: 6px;
    color: var(--text);
    font-size: 0.98rem;
}

.workflow__steps {
    display: grid;
    gap: 16px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.workflow__community {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 28px;
}

.workflow-step {
    min-width: 0;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface);
}

.section--demo {
    background:
        radial-gradient(circle at 20% 22%, rgba(110, 206, 255, 0.09), transparent 42%),
        radial-gradient(circle at 84% 80%, rgba(241, 187, 84, 0.08), transparent 44%);
}

.demo-grid {
    display: grid;
    grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
    gap: 24px;
    align-items: center;
}

.demo-video-card {
    display: grid;
    place-items: center;
}

.device-frame--video {
    width: min(100%, 320px);
}

.device-frame__screen--video {
    background: #050708;
}

.video-shell {
    width: 100%;
    height: 100%;
    border-radius: 30px;
    overflow: hidden;
    background: #000;
}

.video-shell iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

.demo-info-card p {
    margin-top: 0;
}

.demo-info-list {
    display: grid;
    gap: 10px;
    margin: 20px 0 22px;
}

.demo-info-list span {
    display: block;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-muted);
    font-size: 0.93rem;
}

.demo-info-list strong {
    margin-right: 8px;
    color: var(--text);
}

.demo-video-link {
    width: fit-content;
}

.workflow-step__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 52px;
    height: 32px;
    margin-bottom: 14px;
    padding: 0 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--gold);
    font-size: 0.84rem;
    font-weight: 700;
}

.security-bar {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 18px;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.03);
}

.security-bar__item span {
    display: block;
    font-size: 0.84rem;
}

.security-bar__item strong {
    display: block;
    margin-top: 8px;
    color: var(--text);
    font-size: 1rem;
}

.screens-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.screen-card {
    min-width: 0;
    width: 100%;
    text-align: center;
}

.device-frame--gallery {
    margin-bottom: 18px;
}

.screen-card p {
    font-size: 0.92rem;
}

.premium-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.contact-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.contact-card a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 18px;
    color: var(--gold);
    font-weight: 600;
}

.contact-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-width: 0;
    margin-top: 24px;
    padding: 22px 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.03);
}

.site-footer {
    padding: 32px 0 48px;
    border-top: 1px solid var(--line);
}

.footer__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) auto auto;
    gap: 24px;
    align-items: center;
}

.brand--footer {
    margin-bottom: 12px;
}

.footer__links,
.footer__socials {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

.footer__links a,
.footer__socials a {
    color: var(--text-muted);
    transition: color var(--transition);
}

.footer__links a:hover,
.footer__socials a:hover {
    color: var(--text);
}

.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 620ms ease, transform 620ms ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal--delay-1 { transition-delay: 80ms; }
.reveal--delay-2 { transition-delay: 160ms; }
.reveal--delay-3 { transition-delay: 240ms; }
.reveal--delay-4 { transition-delay: 320ms; }
.reveal--delay-5 { transition-delay: 400ms; }
.reveal--delay-6 { transition-delay: 480ms; }
.reveal--delay-7 { transition-delay: 560ms; }
.reveal--delay-8 { transition-delay: 640ms; }

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(var(--base-rotate, 0deg)); }
    50% { transform: translateY(-10px) rotate(var(--base-rotate, 0deg)); }
}

.scene-device--left { --base-rotate: -10deg; }
.scene-device--center { --base-rotate: -1deg; }
.scene-device--right { --base-rotate: 9deg; }

@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

@media (min-width: 1440px) {
    .screens-grid {
        grid-template-columns: repeat(8, minmax(0, 1fr));
        gap: 10px;
    }

    .screen-card h3 {
        font-size: 0.96rem;
    }

    .screen-card p {
        font-size: 0.8rem;
    }

    .device-frame--gallery {
        margin-bottom: 12px;
        border-radius: 28px;
        padding: 6px 6px 8px;
    }

    .device-frame--gallery .device-frame__screen {
        border-radius: 23px;
    }
}

@media (max-width: 1200px) {
    .hero__layout,
    .assistant,
    .workflow,
    .demo-grid,
    .assistant__panel,
    .section-heading--split {
        grid-template-columns: 1fr;
    }

    .hero__scene {
        min-height: 620px;
    }

    .proof-grid,
    .feature-grid,
    .reader-modes-grid,
    .security-grid,
    .premium-grid,
    .contact-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .security-bar,
    .reader-mode-flow,
    .footer__inner {
        grid-template-columns: 1fr;
    }

    .feature-card--wide {
        grid-column: span 2;
    }
}

@media (max-width: 900px) {
    .nav,
    .header__actions .button--ghost {
        display: none;
    }

    .menu-toggle {
        display: inline-flex;
        flex: 0 0 44px;
    }

    .hero {
        min-height: auto;
        padding-top: 28px;
    }

    .hero__layout {
        min-height: auto;
    }

    .hero__scene {
        min-height: 520px;
        margin-top: 10px;
    }

    .scene-device--left {
        left: 0;
        bottom: 18%;
    }

    .scene-device--center {
        left: 20%;
        width: min(58vw, 320px);
    }

    .scene-device--right {
        right: 0;
    }

    .scene-note--bottom {
        right: 2%;
        bottom: 4%;
    }

    .screens-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .reader-mode-showcase {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .container,
    .container--wide {
        width: calc(100% - 32px);
    }

    .site-header {
        overflow: hidden;
    }

    .header__inner {
        min-height: 74px;
        gap: 12px;
    }

    .brand {
        gap: 10px;
        font-size: 0.96rem;
    }

    .header__actions {
        margin-left: auto;
    }

    .hero__highlights,
    .proof-grid,
    .feature-grid,
    .reader-modes-grid,
    .reader-mode-showcase,
    .security-grid,
    .screens-grid,
    .premium-grid,
    .contact-grid,
    .reader-mode-flow,
    .security-bar {
        grid-template-columns: 1fr;
    }

    .feature-card--wide {
        grid-column: auto;
    }

    .hero__actions,
    .hero__community,
    .workflow__community,
    .contact-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .button,
    .social-button {
        width: 100%;
    }

    .header__actions .button--primary {
        display: none;
    }

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

    .hero__layout {
        gap: 18px;
    }

    .hero__content {
        padding: 8px 0 0;
    }

    .hero__scene {
        display: grid;
        place-items: center;
        min-height: auto;
        margin: 0 auto;
        width: min(100%, 280px);
        max-width: 280px;
        overflow: hidden;
    }

    .scene-device--left {
        display: none;
    }

    .scene-device--center {
        position: relative;
        top: auto;
        left: auto;
        right: auto;
        bottom: auto;
        width: 100%;
        max-width: 260px;
        margin: 0 auto;
        transform: none;
        animation: none;
    }

    .scene-device--right {
        display: none;
    }

    .scene-note {
        display: none;
    }

    .hero__ticker {
        display: none;
    }

    .hero__title {
        font-size: 2.95rem;
        line-height: 1.02;
    }

    .section-title {
        font-size: 2.45rem;
        line-height: 1.04;
    }

    .hero__copy,
    .section-copy {
        font-size: 1rem;
    }

    .hero__highlights li,
    .proof-card,
    .feature-card,
    .demo-video-card,
    .demo-info-card,
    .workflow-step,
    .security-card,
    .screen-card,
    .premium-card,
    .contact-card {
        overflow-wrap: anywhere;
    }

    .section {
        padding: 86px 0;
    }

    .section--proof {
        margin-top: -24px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .scene-device,
    .hero__ticker-track {
        animation: none;
    }

    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .button,
    .social-button {
        transition: none;
    }
}