:root {
    --ink: #101820;
    --muted: #5f6f76;
    --teal: #248dad;
    --deep-teal: #144d60;
    --blue: #2078d4;
    --red: #d93535;
    --green: #2f9b4a;
    --amber: #f5aa2d;
    --rose: #e12f7a;
    --paper: #f7fbfd;
    --line: #dce8ed;
    --white: #ffffff;
    --shadow: 0 22px 70px rgba(16, 24, 32, 0.16);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Inter", Arial, sans-serif;
    color: var(--ink);
    background: var(--paper);
    letter-spacing: 0;
}

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

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

button,
input {
    font: inherit;
}

.skip-link {
    position: absolute;
    left: 16px;
    top: -80px;
    z-index: 100;
    background: var(--ink);
    color: var(--white);
    padding: 10px 14px;
}

.skip-link:focus {
    top: 16px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 20px;
    width: min(1180px, calc(100% - 32px));
    min-height: 58px;
    max-height: 64px;
    margin: 10px auto 0;
    padding: 7px 10px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.82);
    box-shadow: 0 10px 32px rgba(20, 77, 96, 0.1);
    backdrop-filter: blur(18px);
}

.brand,
.site-footer div {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 900;
    color: var(--deep-teal);
}

.brand {
    height: 44px;
}

.brand-mark {
    width: 54px;
    height: 44px;
    flex: 0 0 54px;
    display: grid;
    place-items: center;
    overflow: visible;
    border-radius: 8px;
    background: transparent;
    box-shadow: none;
}

.brand-mark img {
    width: 100%;
    height: 100%;
    max-width: none;
    object-fit: contain;
    transform: none;
    transform-origin: center;
}

nav {
    justify-self: center;
    display: flex;
    gap: 6px;
}

nav a,
.header-cta,
.primary-action,
.secondary-action,
.sticky-download a {
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-weight: 800;
    transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

nav a {
    padding: 0 12px;
    color: #36515a;
    font-size: 0.94rem;
}

nav a:hover {
    background: #e9f5f8;
}

.header-cta,
.primary-action {
    padding: 0 16px;
    background: var(--deep-teal);
    color: var(--white);
    box-shadow: 0 12px 28px rgba(20, 77, 96, 0.22);
}

.secondary-action {
    padding: 0 18px;
    background: var(--white);
    color: var(--deep-teal);
    border: 1px solid var(--line);
}

.header-cta:hover,
.primary-action:hover,
.secondary-action:hover,
.sticky-download a:hover {
    transform: translateY(-2px);
}

.hero {
    min-height: calc(100vh - 78px);
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.03fr) minmax(320px, 0.97fr);
    gap: 44px;
    align-items: center;
    padding: 54px 0 84px;
}

.hero-copy {
    max-width: 680px;
}

.offer-pill,
.eyebrow,
.mode-kicker {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 12px;
    border-radius: 8px;
    color: var(--deep-teal);
    background: #e6f5f8;
    border: 1px solid #c8e8ef;
    font-size: 0.82rem;
    font-weight: 900;
    text-transform: uppercase;
}

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

h1 {
    margin-bottom: 18px;
    font-size: clamp(3rem, 7vw, 5.8rem);
    line-height: 0.94;
    letter-spacing: 0;
}

.hero-lede {
    max-width: 620px;
    color: #425b63;
    font-size: 1.18rem;
    line-height: 1.75;
}

.hero-actions,
.store-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin: 26px 0;
}

.trial-highlight {
    display: grid;
    gap: 5px;
    max-width: 560px;
    padding: 16px;
    border-left: 5px solid var(--amber);
    background: #fff7e6;
    border-radius: 8px;
    color: #573a00;
}

.trial-highlight span {
    color: #72501a;
}

.hero-visual {
    position: relative;
    min-height: 670px;
    display: grid;
    place-items: center;
}

.phone-stage {
    position: relative;
    width: min(78vw, 360px);
    aspect-ratio: 0.5;
    border-radius: 34px;
    padding: 10px;
    background: #0b2934;
    box-shadow: var(--shadow);
    transform-style: preserve-3d;
}

.phone-stage::before {
    content: "";
    position: absolute;
    top: 14px;
    left: 50%;
    width: 86px;
    height: 8px;
    transform: translateX(-50%);
    border-radius: 99px;
    background: rgba(255, 255, 255, 0.38);
    z-index: 3;
}

.phone-shot {
    position: absolute;
    inset: 10px;
    width: calc(100% - 20px);
    height: calc(100% - 20px);
    object-fit: cover;
    border-radius: 26px;
    opacity: 0;
    transition: opacity 520ms ease;
}

.phone-shot.active {
    opacity: 1;
}

.floating-metric {
    position: absolute;
    width: 176px;
    padding: 14px;
    border-radius: 8px;
    background: var(--white);
    border: 1px solid var(--line);
    box-shadow: 0 18px 54px rgba(16, 24, 32, 0.14);
}

.floating-metric span {
    display: block;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 800;
}

.floating-metric strong {
    color: var(--deep-teal);
}

.metric-one {
    top: 84px;
    left: 0;
}

.metric-two {
    right: 0;
    bottom: 110px;
}

.proof-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    width: 100%;
    background: var(--deep-teal);
    color: var(--white);
}

.proof-strip div {
    padding: 24px;
    border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.proof-strip strong,
.proof-strip span {
    display: block;
}

.proof-strip span {
    margin-top: 6px;
    color: rgba(255, 255, 255, 0.75);
}

.section,
.interactive-band,
.download-band {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 88px 0;
}

.section-heading {
    max-width: 760px;
    margin-bottom: 34px;
}

.section-heading h2,
.download-band h2 {
    margin: 12px 0 0;
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.05;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.feature-card {
    min-height: 220px;
    padding: 24px;
    border-radius: 8px;
    background: var(--white);
    border: 1px solid var(--line);
    box-shadow: 0 14px 42px rgba(16, 24, 32, 0.07);
}

.feature-card:nth-child(2) {
    border-top: 4px solid var(--blue);
}

.feature-card:nth-child(3) {
    border-top: 4px solid var(--red);
}

.feature-card:nth-child(4) {
    border-top: 4px solid var(--green);
}

.feature-card:nth-child(5) {
    border-top: 4px solid var(--amber);
}

.feature-card:nth-child(6) {
    border-top: 4px solid var(--rose);
}

.feature-index {
    color: var(--teal);
    font-weight: 900;
}

.feature-card h3 {
    margin: 18px 0 10px;
    font-size: 1.35rem;
}

.feature-card p,
.download-band p,
.why-copy,
.faq-list p,
.mode-panel p {
    color: var(--muted);
    line-height: 1.7;
}

.interactive-band {
    border-block: 1px solid var(--line);
}

.mode-switcher {
    display: flex;
    gap: 8px;
    padding: 6px;
    width: fit-content;
    background: #e8f2f5;
    border-radius: 8px;
}

.mode-tab {
    min-width: 120px;
    min-height: 42px;
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: #45626b;
    font-weight: 900;
    cursor: pointer;
}

.mode-tab.active {
    background: var(--white);
    color: var(--deep-teal);
    box-shadow: 0 8px 22px rgba(16, 24, 32, 0.12);
}

.mode-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 28px;
    align-items: center;
    margin-top: 22px;
    padding: 28px;
    border-radius: 8px;
    background: var(--white);
    border: 1px solid var(--line);
}

.mode-panel h3 {
    margin: 12px 0;
    font-size: 2rem;
}

.mode-panel img {
    width: 220px;
    justify-self: center;
    border-radius: 28px;
    box-shadow: 0 16px 40px rgba(16, 24, 32, 0.16);
}

.progress-playground {
    display: grid;
    grid-template-columns: 160px minmax(180px, 1fr) 120px;
    gap: 16px;
    align-items: center;
    margin-top: 18px;
    padding: 18px;
    border-radius: 8px;
    background: #fff7e6;
    border: 1px solid #f6d58c;
}

.progress-playground label,
.progress-playground strong {
    font-weight: 900;
}

input[type="range"] {
    accent-color: var(--teal);
    width: 100%;
}

.accuracy-meter {
    grid-column: 2 / 3;
    height: 12px;
    border-radius: 99px;
    background: #e4e9ec;
    overflow: hidden;
}

.accuracy-meter span {
    display: block;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, var(--red), var(--amber), var(--green));
}

.screen-carousel {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr) 48px;
    gap: 14px;
    align-items: center;
}

.carousel-btn {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    border: 1px solid var(--line);
    background: var(--white);
    color: var(--deep-teal);
    font-size: 1.4rem;
    font-weight: 900;
    cursor: pointer;
}

.screen-track {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(220px, 260px);
    gap: 18px;
    overflow-x: auto;
    padding: 10px 4px 26px;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
}

.screen-card {
    scroll-snap-align: center;
    margin: 0;
    border-radius: 8px;
    background: var(--white);
    border: 1px solid var(--line);
    overflow: hidden;
    transform: scale(0.96);
    opacity: 0.72;
    transition: transform 220ms ease, opacity 220ms ease, border-color 220ms ease;
}

.screen-card.selected {
    transform: scale(1);
    opacity: 1;
    border-color: var(--teal);
}

.screen-card img {
    width: 100%;
    aspect-ratio: 0.5;
    object-fit: cover;
}

.screen-card figcaption {
    padding: 12px;
    color: var(--deep-teal);
    font-weight: 900;
    text-align: center;
}

.download-band {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 34px;
    align-items: center;
    margin-top: 20px;
    padding-inline: 34px;
    border-radius: 8px;
    color: var(--white);
    background: linear-gradient(120deg, var(--deep-teal), var(--blue));
}

.download-band .eyebrow {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.24);
    color: var(--white);
}

.download-band p {
    max-width: 700px;
    color: rgba(255, 255, 255, 0.82);
}

.download-band .secondary-action {
    border-color: rgba(255, 255, 255, 0.38);
}

.qr-wrap {
    display: grid;
    gap: 12px;
    justify-items: center;
    padding: 18px;
    border-radius: 8px;
    background: var(--white);
    color: var(--deep-teal);
    font-weight: 900;
}

.qr-wrap img {
    width: 210px;
    aspect-ratio: 1;
}

.why-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.6fr);
    gap: 34px;
}

.check-list {
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.check-list li {
    padding: 16px 18px;
    border-left: 5px solid var(--green);
    border-radius: 8px;
    background: var(--white);
    box-shadow: 0 12px 30px rgba(16, 24, 32, 0.06);
    font-weight: 700;
}

.faq-list {
    display: grid;
    gap: 12px;
}

details {
    border-radius: 8px;
    border: 1px solid var(--line);
    background: var(--white);
    padding: 18px 20px;
}

summary {
    cursor: pointer;
    color: var(--deep-teal);
    font-weight: 900;
}

.site-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 34px max(16px, calc((100vw - 1180px) / 2));
    background: #0f1d22;
    color: var(--white);
}

.site-footer p,
.site-footer a {
    color: rgba(255, 255, 255, 0.72);
}

.sticky-download {
    position: fixed;
    left: 50%;
    bottom: 14px;
    z-index: 70;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 14px;
    width: min(620px, calc(100% - 28px));
    padding: 10px 10px 10px 16px;
    border-radius: 8px;
    background: rgba(16, 24, 32, 0.9);
    color: var(--white);
    box-shadow: 0 12px 34px rgba(0, 0, 0, 0.24);
    backdrop-filter: blur(14px);
}

.sticky-download span {
    flex: 1;
    font-weight: 800;
    font-size: 0.93rem;
}

.sticky-download a {
    padding: 0 16px;
    background: var(--amber);
    color: #1f1603;
}

.seo-link-grid,
.resource-grid,
.year-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.seo-link-card,
.resource-card,
.resource-panel,
.resource-faq details {
    border-radius: 8px;
    background: var(--white);
    border: 1px solid var(--line);
    box-shadow: 0 14px 42px rgba(16, 24, 32, 0.07);
}

.seo-link-card {
    display: grid;
    gap: 8px;
    min-height: 170px;
    padding: 22px;
}

.seo-link-card span,
.resource-card span,
.resource-stat span {
    color: var(--teal);
    font-size: 0.78rem;
    font-weight: 900;
    text-transform: uppercase;
}

.seo-link-card strong {
    color: var(--deep-teal);
    font-size: 1.2rem;
}

.seo-link-card small {
    color: var(--muted);
    line-height: 1.6;
}

.seo-year-block {
    margin-top: 18px;
}

.seo-year-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 14px;
}

.seo-year-heading span,
.year-link span {
    color: var(--teal);
    font-size: 0.78rem;
    font-weight: 900;
    text-transform: uppercase;
}

.seo-year-heading h3 {
    margin: 7px 0 0;
    color: var(--deep-teal);
    font-size: clamp(1.35rem, 2.4vw, 2rem);
    line-height: 1.12;
}

.seo-year-heading p {
    max-width: 460px;
    margin: 0;
    color: var(--muted);
    line-height: 1.6;
}

.year-link-row {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
}

.year-link {
    display: grid;
    gap: 7px;
    min-height: 116px;
    padding: 16px;
    border-radius: 8px;
    background: var(--white);
    border: 1px solid var(--line);
    box-shadow: 0 12px 30px rgba(16, 24, 32, 0.06);
}

.year-link strong {
    color: var(--deep-teal);
    font-size: 1rem;
    line-height: 1.25;
}

.year-link small {
    color: var(--muted);
    line-height: 1.45;
}

.resource-page {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 38px 0 96px;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 18px 0 28px;
    color: var(--muted);
    font-size: 0.94rem;
    font-weight: 700;
}

.breadcrumb a {
    color: var(--deep-teal);
}

.resource-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
    gap: 28px;
    align-items: stretch;
    padding: 46px 0 54px;
}

.resource-copy h1 {
    margin-bottom: 18px;
    font-size: clamp(2.7rem, 6vw, 5.2rem);
    line-height: 0.98;
}

.resource-copy > p {
    max-width: 760px;
    color: #425b63;
    font-size: 1.12rem;
    line-height: 1.75;
}

.resource-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
}

.resource-panel {
    align-self: center;
    padding: 24px;
}

.resource-panel h2,
.resource-panel h3 {
    margin: 0 0 14px;
    color: var(--deep-teal);
    font-size: 1.4rem;
}

.resource-panel ul,
.resource-panel ol {
    display: grid;
    gap: 12px;
    margin: 0;
    padding-left: 20px;
    color: var(--muted);
    line-height: 1.6;
}

.resource-section {
    padding: 64px 0 0;
}

.resource-section h2 {
    margin-bottom: 16px;
    font-size: clamp(1.9rem, 4vw, 3rem);
    line-height: 1.08;
}

.resource-section > p {
    max-width: 820px;
    color: var(--muted);
    line-height: 1.7;
}

.resource-card {
    min-height: 190px;
    padding: 22px;
}

.resource-card h3 {
    margin: 12px 0 10px;
    color: var(--deep-teal);
    font-size: 1.25rem;
}

.resource-card p,
.resource-card li,
.resource-note,
.resource-faq p {
    color: var(--muted);
    line-height: 1.68;
}

.resource-card ul {
    display: grid;
    gap: 8px;
    margin: 12px 0 0;
    padding-left: 18px;
}

.keyword-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
}

.keyword-list a,
.keyword-list span {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 0 12px;
    border-radius: 8px;
    background: #e8f2f5;
    color: var(--deep-teal);
    font-size: 0.92rem;
    font-weight: 800;
}

.resource-table-wrap {
    overflow-x: auto;
    margin-top: 20px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
}

.resource-table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
}

.resource-table th,
.resource-table td {
    padding: 15px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

.resource-table th {
    color: var(--deep-teal);
    background: #e8f2f5;
    font-size: 0.88rem;
    text-transform: uppercase;
}

.resource-table tr:last-child td {
    border-bottom: 0;
}

.resource-note {
    margin-top: 22px;
    padding: 16px 18px;
    border-left: 5px solid var(--amber);
    border-radius: 8px;
    background: #fff7e6;
}

.resource-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-top: 22px;
}

.resource-stat {
    padding: 18px;
    border-radius: 8px;
    background: var(--white);
    border: 1px solid var(--line);
}

.resource-stat strong {
    display: block;
    margin-top: 8px;
    color: var(--deep-teal);
    font-size: 1.1rem;
}

.resource-faq {
    display: grid;
    gap: 12px;
}

.inline-link {
    color: var(--deep-teal);
    font-weight: 900;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 480ms ease, transform 480ms ease;
}

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

@media (max-width: 900px) {
    .site-header {
        grid-template-columns: 1fr auto;
    }

    nav {
        display: none;
    }

    .hero,
    .download-band,
    .why-layout,
    .mode-panel,
    .resource-hero {
        grid-template-columns: 1fr;
    }

    .hero {
        padding-top: 38px;
    }

    .hero-visual {
        min-height: 610px;
    }

    .floating-metric {
        width: 150px;
    }

    .proof-strip,
    .feature-grid,
    .seo-link-grid,
    .year-link-row,
    .resource-grid,
    .year-grid,
    .resource-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .seo-year-heading {
        display: grid;
    }

    .progress-playground {
        grid-template-columns: 1fr;
    }

    .accuracy-meter {
        grid-column: auto;
    }
}

@media (max-width: 620px) {
    .site-header,
    .hero,
    .section,
    .interactive-band,
    .download-band,
    .resource-page {
        width: min(100% - 20px, 1180px);
    }

    .brand span {
        font-size: 0.98rem;
    }

    .brand-mark {
        width: 48px;
        height: 40px;
        flex-basis: 48px;
    }

    .header-cta {
        padding-inline: 12px;
    }

    h1 {
        font-size: 3rem;
    }

    .resource-copy h1 {
        font-size: 2.55rem;
    }

    .hero-lede {
        font-size: 1rem;
    }

    .proof-strip,
    .feature-grid,
    .seo-link-grid,
    .year-link-row,
    .resource-grid,
    .year-grid,
    .resource-stats {
        grid-template-columns: 1fr;
    }

    .proof-strip div {
        border-right: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    }

    .screen-carousel {
        grid-template-columns: 1fr;
    }

    .carousel-btn {
        display: none;
    }

    .mode-switcher {
        width: 100%;
    }

    .mode-tab {
        min-width: 0;
        flex: 1;
    }

    .download-band {
        padding-inline: 18px;
    }

    .sticky-download {
        align-items: stretch;
        flex-direction: column;
    }

    .sticky-download a {
        width: 100%;
    }
}