/* === LANDING DESIGN SYSTEM === */
:root {
    --landing-font: var(--font-family-base, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif);
    --landing-bg: #ffffff;
    --landing-bg-soft: #f7faff;
    --landing-bg-muted: #f4f7fb;
    --landing-surface: rgba(255, 255, 255, 0.92);
    --landing-surface-solid: #ffffff;
    --landing-text: #101828;
    --landing-text-soft: #344054;
    --landing-text-muted: #667085;
    --landing-border: rgba(16, 24, 40, 0.11);
    --landing-border-strong: rgba(26, 86, 116, 0.22);
    --landing-primary: var(--color-bg-blue, #0062ff);
    --landing-primary-hover: #004dd1;
    --landing-primary-soft: #eaf2ff;
    --landing-brand: var(--color-primary, #1a5674);
    --landing-brand-dark: var(--color-primary-dark, #004085);
    --landing-accent: var(--color-accent-orange, #ff8c00);
    --landing-accent-soft: #fff4e4;
    --landing-shadow-sm: 0 8px 24px rgba(16, 24, 40, 0.06);
    --landing-shadow-md: 0 18px 48px rgba(16, 24, 40, 0.1);
    --landing-shadow-lg: 0 30px 80px rgba(16, 24, 40, 0.14);
    --landing-radius-sm: 12px;
    --landing-radius-md: 18px;
    --landing-radius-lg: 28px;
    --landing-radius-xl: 36px;
    --landing-container: 1180px;
    --landing-space-section: clamp(4.5rem, 9vw, 8rem);
    --landing-space-tight: clamp(2.75rem, 6vw, 4.5rem);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--landing-font);
    color: var(--landing-text);
    background:
        radial-gradient(circle at top left, rgba(0, 98, 255, 0.08), transparent 34rem),
        radial-gradient(circle at 85% 8%, rgba(255, 140, 0, 0.09), transparent 28rem),
        var(--landing-bg);
    line-height: 1.6;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

img,
svg,
video {
    max-width: 100%;
}

a {
    color: inherit;
}

button,
input,
select,
textarea {
    font: inherit;
}

.container {
    width: min(100% - 2rem, var(--landing-container));
    margin-inline: auto;
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: 0.75rem;
    z-index: 100;
    padding: 0.6rem 0.9rem;
    border-radius: 999px;
    color: #fff;
    background: var(--landing-text);
    transform: translateY(-150%);
    transition: transform 160ms ease;
}

.skip-link:focus {
    transform: translateY(0);
}

.section {
    padding-block: var(--landing-space-section);
}

.section--tight {
    padding-block: var(--landing-space-tight);
}

.section--muted {
    background:
        linear-gradient(180deg, rgba(247, 250, 255, 0.76), rgba(244, 247, 251, 0.94)),
        var(--landing-bg-muted);
    border-block: 1px solid rgba(16, 24, 40, 0.06);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid rgba(16, 24, 40, 0.08);
    background: rgba(255, 255, 255, 0.84);
    backdrop-filter: blur(18px);
}

.landing-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 1rem;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--landing-text);
    font-weight: 760;
    letter-spacing: -0.025em;
    text-decoration: none;
}

.brand-mark:hover {
    color: var(--landing-text);
    text-decoration: none;
}

.brand-mark__logo {
    width: 96px;
    height: 96px;
    object-fit: contain;
}

.landing-nav__links {
    display: none;
    align-items: center;
    gap: 1.35rem;
    color: var(--landing-text-soft);
    font-size: 0.95rem;
    font-weight: 620;
}

.landing-nav__links a,
.landing-footer__links a {
    text-decoration: none;
    transition: color 160ms ease;
}

.landing-nav__links a:hover,
.landing-footer__links a:hover {
    color: var(--landing-primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0.8rem 1.2rem;
    border: 1px solid transparent;
    border-radius: 999px;
    font-weight: 760;
    line-height: 1;
    text-decoration: none;
    transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease, border-color 160ms ease;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
    text-decoration: none;
}

.btn--small {
    min-height: 40px;
    padding: 0.65rem 0.95rem;
    font-size: 0.9rem;
}

.btn--primary {
    color: #fff;
    background: linear-gradient(135deg, var(--landing-primary), var(--landing-brand));
    box-shadow: 0 12px 26px rgba(0, 98, 255, 0.22);
}

.btn--primary:hover {
    color: #fff;
    background: linear-gradient(135deg, var(--landing-primary-hover), var(--landing-brand-dark));
    box-shadow: 0 16px 34px rgba(0, 98, 255, 0.28);
}

.btn--secondary {
    color: var(--landing-text);
    background: rgba(255, 255, 255, 0.82);
    border-color: var(--landing-border);
    box-shadow: var(--landing-shadow-sm);
}

.btn--secondary:hover {
    color: var(--landing-text);
    border-color: var(--landing-border-strong);
}

.hero-section {
    padding-top: clamp(4rem, 9vw, 7rem);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    gap: 3rem;
    align-items: center;
}

.hero-copy {
    max-width: 760px;
}

.eyebrow {
    margin: 0 0 1rem;
    color: var(--landing-brand);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 1.25rem;
    color: var(--landing-text);
    font-size: clamp(2.25rem, 6vw, 4.65rem);
    line-height: 0.98;
    letter-spacing: -0.065em;
    max-width: 12ch;
}

h2 {
    margin-bottom: 1rem;
    color: var(--landing-text);
    font-size: clamp(1.65rem, 4vw, 2.55rem);
    line-height: 1.08;
    letter-spacing: -0.045em;
}

h3 {
    margin-bottom: 0.65rem;
    color: var(--landing-text);
    font-size: 1.05rem;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

p {
    color: var(--landing-text-soft);
}

.hero-lede {
    max-width: 680px;
    color: var(--landing-text-soft);
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.55;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
    margin-top: 2rem;
}

.trust-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1.6rem;
    color: var(--landing-text-muted);
    font-size: 0.92rem;
}

.trust-row span,
.badge {
    display: inline-flex;
    align-items: center;
    width: max-content;
    border: 1px solid rgba(26, 86, 116, 0.16);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.76);
}

.trust-row span {
    padding: 0.38rem 0.7rem;
}

.badge {
    padding: 0.4rem 0.72rem;
    color: var(--landing-brand);
    font-size: 0.8rem;
    font-weight: 700;
}

.product-preview {
    position: relative;
}

.product-preview::before {
    position: absolute;
    inset: 12% -18% auto auto;
    width: 260px;
    height: 260px;
    border-radius: 999px;
    background: rgba(255, 140, 0, 0.14);
    content: "";
    filter: blur(24px);
}

.preview-window {
    position: relative;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.86);
    border-radius: var(--landing-radius-xl);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(247, 250, 255, 0.82)),
        var(--landing-surface-solid);
    box-shadow: var(--landing-shadow-lg);
}

.preview-window__bar {
    display: flex;
    gap: 0.45rem;
    padding: 0.6rem 0.75rem 1rem;
}

.preview-window__bar span {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: #d0d5dd;
}

.preview-card {
    display: grid;
    gap: 1.5rem;
    padding: clamp(1.25rem, 4vw, 2rem);
    border: 1px solid var(--landing-border);
    border-radius: var(--landing-radius-lg);
    background: #fff;
}

.preview-title {
    margin: 1.1rem 0 0.85rem;
    color: var(--landing-text);
    font-size: clamp(1.65rem, 5vw, 2.45rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.045em;
}

.mini-controls {
    display: grid;
    gap: 0.75rem;
    align-content: end;
}

.control-line {
    height: 12px;
    width: 72%;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(0, 98, 255, 0.26), rgba(26, 86, 116, 0.1));
}

.control-line--wide {
    width: 100%;
}

.control-line--short {
    width: 46%;
}

.preview-status {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin: 1rem 0.5rem 0.2rem;
    color: var(--landing-text-muted);
    font-size: 0.92rem;
    font-weight: 650;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: #12b76a;
    box-shadow: 0 0 0 6px rgba(18, 183, 106, 0.12);
}

.card,
.step-card,
.audio-demo,
.video-card,
.faq-item,
.final-cta {
    border: 1px solid var(--landing-border);
    border-radius: var(--landing-radius-lg);
    background: var(--landing-surface-solid);
    box-shadow: var(--landing-shadow-sm);
}

.card {
    padding: 1.35rem;
    transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.card:hover {
    transform: translateY(-3px);
    border-color: var(--landing-border-strong);
    box-shadow: var(--landing-shadow-md);
}

.card p,
.step-card p,
.video-card p,
.final-cta p {
    margin-bottom: 0;
}

.card--feature {
    padding: clamp(1.25rem, 4vw, 2rem);
}

.section-heading {
    max-width: 760px;
    margin-bottom: clamp(2rem, 5vw, 3.25rem);
}

.section-heading p:last-child {
    max-width: 640px;
    font-size: 1.08rem;
}

.how-it-works-grid {
    display: grid;
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: stretch;
}

.how-it-works-panel {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 88% 16%, rgba(255, 140, 0, 0.12), transparent 18rem),
        linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(247, 250, 255, 0.9));
    box-shadow: var(--landing-shadow-md);
}

.how-it-works-panel:hover {
    transform: none;
}

.how-it-works-card {
    display: grid;
    align-content: start;
}

.how-it-works-card .section-heading {
    margin-bottom: clamp(1.5rem, 4vw, 2.25rem);
}

.how-it-works-card .steps-grid {
    grid-template-columns: 1fr;
}

.feature-grid,
.steps-grid {
    display: grid;
    gap: 1rem;
}

.feature-grid {
    grid-template-columns: 1fr;
}

.icon-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin-bottom: 1.2rem;
    border-radius: 14px;
    color: var(--landing-primary);
    background: var(--landing-primary-soft);
    font-weight: 800;
}

.steps-grid {
    counter-reset: step;
}

.step-card {
    position: relative;
    padding: 1.5rem;
}

.step-card span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin-bottom: 1.2rem;
    border-radius: 999px;
    color: #fff;
    background: var(--landing-text);
    font-weight: 800;
}

.audio-demo {
    display: grid;
    gap: 2.5rem;
    align-items: center;
}

.audio-demo--hero {
    gap: 1.35rem;
    align-items: start;
}

.audio-demo--hero h2 {
    font-size: clamp(1.5rem, 3vw, 2.05rem);
}

.audio-demo--hero .demo-transcript {
    max-height: 12rem;
}

.audio-player-panel {
    display: grid;
    gap: 1rem;
}

.audio-player-panel audio {
    width: 100%;
}

@media (min-width: 960px) {
    @supports (-moz-appearance: none) {
        .audio-demo--hero .audio-player-panel {
            gap: 0.65rem;
        }

        .audio-demo--hero .audio-player-panel audio {
            display: block;
            margin-top: -5.75rem;
        }
    }
}

.demo-transcript {
    max-height: calc(3 * 1.45em + 2rem);
    overflow-y: auto;
    padding: 1rem;
    border: 1px solid rgba(26, 86, 116, 0.14);
    border-radius: var(--landing-radius-md);
    background: rgba(247, 250, 255, 0.74);
    scrollbar-color: rgba(26, 86, 116, 0.42) rgba(26, 86, 116, 0.08);
    scrollbar-width: thin;
}

.demo-transcript::-webkit-scrollbar {
    width: 10px;
}

.demo-transcript::-webkit-scrollbar-track {
    border-radius: 999px;
    background: rgba(26, 86, 116, 0.08);
}

.demo-transcript::-webkit-scrollbar-thumb {
    border: 2px solid rgba(247, 250, 255, 0.74);
    border-radius: 999px;
    background: rgba(26, 86, 116, 0.42);
}

.demo-transcript blockquote {
    margin: 0;
    padding-right: 0.45rem;
}

.demo-transcript blockquote p {
    margin-bottom: 0.75rem;
    color: var(--landing-text-soft);
    font-size: 0.82rem;
    line-height: 1.45;
}

.demo-transcript blockquote p:last-child {
    margin-bottom: 0;
}

.waveform {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.35rem;
    min-height: 110px;
    padding: 1.1rem;
    border: 1px solid rgba(0, 98, 255, 0.14);
    border-radius: var(--landing-radius-md);
    background:
        linear-gradient(135deg, rgba(0, 98, 255, 0.08), rgba(255, 140, 0, 0.08)),
        #fff;
}

.waveform span {
    width: 100%;
    max-width: 14px;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--landing-primary), var(--landing-brand));
}

.waveform span:nth-child(1) { height: 22px; }
.waveform span:nth-child(2) { height: 44px; }
.waveform span:nth-child(3) { height: 70px; }
.waveform span:nth-child(4) { height: 52px; }
.waveform span:nth-child(5) { height: 88px; }
.waveform span:nth-child(6) { height: 38px; }
.waveform span:nth-child(7) { height: 66px; }
.waveform span:nth-child(8) { height: 96px; }
.waveform span:nth-child(9) { height: 54px; }
.waveform span:nth-child(10) { height: 78px; }
.waveform span:nth-child(11) { height: 42px; }
.waveform span:nth-child(12) { height: 28px; }

.youtube-grid,
.content-layout {
    display: grid;
    gap: clamp(2rem, 6vw, 4rem);
    align-items: start;
}

.check-list {
    display: grid;
    gap: 0.85rem;
    margin: 1.5rem 0 0;
    padding: 0;
    list-style: none;
}

.check-list li {
    position: relative;
    padding-left: 2rem;
    color: var(--landing-text-soft);
}

.check-list li::before {
    position: absolute;
    left: 0;
    top: 0.2rem;
    width: 1.1rem;
    height: 1.1rem;
    border-radius: 999px;
    color: #fff;
    background: var(--landing-brand);
    content: "";
}

.check-list li::after {
    position: absolute;
    left: 0.36rem;
    top: 0.43rem;
    width: 0.36rem;
    height: 0.62rem;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    content: "";
    transform: rotate(45deg);
}

.video-card {
    padding: 0.85rem;
}

.video-card p {
    padding: 0.7rem 0.25rem 0.1rem;
    color: var(--landing-text);
    font-size: 0.92rem;
    font-weight: 720;
}

.video-frame {
    position: relative;
    overflow: hidden;
    border-radius: 22px;
    background: var(--landing-text);
    aspect-ratio: 16 / 9;
}

.video-frame iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.content-aside {
    position: sticky;
    top: 104px;
}

.content-aside h2 {
    margin-top: 1rem;
    font-size: clamp(1.65rem, 4vw, 2.55rem);
}

.long-form {
    max-width: 760px;
}

.long-form p {
    margin-bottom: 1.25rem;
    color: var(--landing-text-soft);
    font-size: 1.05rem;
}

.faq-list {
    display: grid;
    gap: 0.85rem;
    max-width: 900px;
}

.faq-item {
    overflow: hidden;
}

.faq-item summary {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.1rem 1.25rem;
    color: var(--landing-text);
    cursor: pointer;
    font-weight: 760;
    list-style: none;
}

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

.faq-item summary::after {
    flex: 0 0 auto;
    width: 10px;
    height: 10px;
    border: solid var(--landing-text-muted);
    border-width: 0 2px 2px 0;
    content: "";
    transform: rotate(45deg);
    transition: transform 160ms ease;
}

.faq-item[open] summary::after {
    transform: rotate(225deg);
}

.faq-item p {
    margin: 0;
    padding: 0 1.25rem 1.25rem;
}

.final-cta-section {
    padding-top: 0;
}

.final-cta {
    overflow: hidden;
    padding: clamp(2rem, 6vw, 4rem);
    color: #fff;
    background:
        radial-gradient(circle at 10% 10%, rgba(255, 255, 255, 0.24), transparent 20rem),
        linear-gradient(135deg, var(--landing-brand-dark), var(--landing-text));
    box-shadow: var(--landing-shadow-lg);
}

.final-cta h2,
.final-cta p {
    color: #fff;
}

.final-cta p {
    max-width: 720px;
    opacity: 0.86;
}

.final-cta .eyebrow {
    color: #ffd49b;
}

.landing-footer {
    padding-block: 3rem 1.5rem;
    border-top: 1px solid var(--landing-border);
    background: #fff;
}

.landing-footer__grid {
    display: grid;
    gap: 2rem;
}

.landing-footer__grid p {
    max-width: 420px;
    margin: 1rem 0 0;
    color: var(--landing-text-muted);
}

.landing-footer__links {
    display: grid;
    gap: 0.65rem;
    color: var(--landing-text-soft);
    font-weight: 620;
}

.landing-footer__bottom {
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(16, 24, 40, 0.08);
    color: var(--landing-text-muted);
    font-size: 0.9rem;
}

/* Reusable foundations for future marketing pages */
.pricing-card,
.form-card,
.input-field {
    border: 1px solid var(--landing-border);
    border-radius: var(--landing-radius-md);
    background: var(--landing-surface-solid);
    box-shadow: var(--landing-shadow-sm);
}

.pricing-card,
.form-card {
    padding: 1.5rem;
}

.label {
    display: block;
    margin-bottom: 0.45rem;
    color: var(--landing-text-soft);
    font-size: 0.9rem;
    font-weight: 700;
}

.input-field {
    width: 100%;
    padding: 0.85rem 0.95rem;
    color: var(--landing-text);
}

.input-field:focus {
    outline: 3px solid rgba(0, 98, 255, 0.16);
    border-color: var(--landing-primary);
}

@media (min-width: 720px) {
    .landing-nav__links {
        display: flex;
    }

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

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

    .audio-demo {
        grid-template-columns: 0.9fr 1.1fr;
    }

    .audio-demo.audio-demo--hero {
        grid-template-columns: 1fr;
    }

    .landing-footer__grid {
        grid-template-columns: 1fr auto;
    }

    .landing-footer__links {
        grid-template-columns: repeat(2, minmax(120px, 1fr));
    }
}

@media (min-width: 960px) {
    .hero-grid {
        grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.95fr);
    }

    .how-it-works-grid {
        grid-template-columns: minmax(0, 1fr) minmax(380px, 0.95fr);
        align-items: center;
    }

    .feature-grid {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }

    .youtube-grid {
        grid-template-columns: minmax(0, 0.85fr) minmax(440px, 1fr);
    }

    .content-layout {
        grid-template-columns: minmax(260px, 0.42fr) minmax(0, 0.58fr);
    }
}

@media (max-width: 520px) {
    .container {
        width: min(100% - 1.25rem, var(--landing-container));
    }

    .brand-mark span {
        font-size: 0.95rem;
    }

    .brand-mark__logo {
        width: 46px;
        height: 46px;
    }

    .landing-nav {
        min-height: 64px;
    }

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

    h1 {
        font-size: clamp(2rem, 12vw, 3.1rem);
    }

    .btn {
        width: 100%;
    }

    .hero-actions {
        width: 100%;
    }

    .card,
    .step-card {
        padding: 1.15rem;
    }

    .content-aside {
        position: static;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}