:root {
    --ink: #12213a;
    --muted: #5c6a80;
    --blue: #155eef;
    --blue-dark: #1049c7;
    --mint: #dff8f0;
    --line: #e5eaf2;
    --surface: #f6f8fc;
    --white: #fff;
    --radius: 22px;
    --shadow: 0 18px 55px rgba(20, 43, 83, .10);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    margin: 0;
    font-family: "DM Sans", sans-serif;
    color: var(--ink);
    background: #fff;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

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

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

button,
a {
    -webkit-tap-highlight-color: transparent;
}

/* --- Layout Architecture Framework --- */
.container {
    width: min(1160px, calc(100% - 44px));
    margin: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(229, 234, 242, .85);
}

.nav-wrap {
    height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.brand img {
    width: 188px;
    height: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-links a {
    font-size: 14px;
    font-weight: 700;
    color: #43516a;
    transition: color .2s;
}

.nav-links a:hover,
.nav-links a[aria-current=page] {
    color: var(--blue);
}

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

.login-link {
    font-size: 14px;
    font-weight: 700;
    color: #43516a;
}

/* --- UI Controls & Buttons --- */
.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 9px;
    padding: 13px 20px;
    border-radius: 11px;
    font-weight: 700;
    font-size: 14px;
    line-height: 1.3;
    border: 1px solid transparent;
    transition: transform .2s, background .2s, box-shadow .2s;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--blue);
    color: white;
    box-shadow: 0 8px 20px rgba(21, 94, 239, .22);
}

.btn-primary:hover {
    background: var(--blue-dark);
    box-shadow: 0 12px 24px rgba(21, 94, 239, .28);
}

.btn-outline {
    border-color: #d9e2f0;
    background: #fff;
    color: var(--ink);
}

.btn-outline:hover {
    border-color: #9db8ee;
    background: #f8faff;
}

.menu-toggle {
    display: none;
    background: none;
    border: 0;
    padding: 8px;
    color: var(--ink);
    font-size: 25px;
}

/* --- Hero Banner Content Panels --- */
.hero {
    position: relative;
    overflow: hidden;
    padding: 94px 0 78px;
    background: radial-gradient(ellipse at 83% 15%, rgba(117, 164, 255, .18), transparent 34%), linear-gradient(180deg, #f7faff 0%, #fff 100%);
}

.hero:before {
    content: "";
    position: absolute;
    width: 430px;
    height: 430px;
    border: 1px solid rgba(21, 94, 239, .10);
    border-radius: 50%;
    right: -160px;
    top: -190px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.02fr .98fr;
    gap: 64px;
    align-items: center;
    position: relative;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    border-radius: 99px;
    background: #eaf1ff;
    color: #174dbb;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .07em;
    text-transform: uppercase;
}

.eyebrow-dot {
    width: 7px;
    height: 7px;
    background: #1cb889;
    border-radius: 50%;
}

.hero h1,
.section-heading {
    font-family: Manrope, sans-serif;
    letter-spacing: -.045em;
    line-height: 1.08;
}

.hero h1 {
    font-size: clamp(42px, 5vw, 66px);
    font-weight: 800;
    margin: 22px 0 22px;
    max-width: 680px;
}

.hero h1 span {
    color: var(--blue);
}

.hero-copy {
    font-size: 18px;
    line-height: 1.75;
    color: var(--muted);
    max-width: 580px;
    margin: 0 0 28px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-proof {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 22px;
    font-size: 13px;
    color: #617089;
}

.proof-check {
    display: grid;
    place-items: center;
    width: 23px;
    height: 23px;
    border-radius: 50%;
    background: #dcf8ec;
    color: #087d5a;
    font-weight: 900;
    flex-shrink: 0;
}

.hero-visual {
    position: relative;
    min-width: 0;
}

.hero-image-frame {
    position: relative;
    background: #eaf1ff;
    border-radius: 30px;
    padding: 14px;
    box-shadow: var(--shadow);
    transform: rotate(1deg);
}

.hero-image-frame img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 21px;
}

.floating-note {
    position: absolute;
    left: -28px;
    bottom: 25px;
    background: #fff;
    border: 1px solid #e8edf5;
    border-radius: 16px;
    padding: 15px 18px;
    box-shadow: 0 15px 40px rgba(20, 43, 83, .13);
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 260px;
    transform: rotate(-1deg);
}

.note-icon {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    background: var(--mint);
    color: #087d5a;
    border-radius: 12px;
    font-size: 20px;
    flex-shrink: 0;
}

.floating-note strong {
    display: block;
    font-size: 13px;
}

.floating-note small {
    display: block;
    color: var(--muted);
    font-size: 11px;
    margin-top: 2px;
}

/* --- Content Sections --- */
.section {
    padding: 96px 0;
}

.section-soft {
    background: var(--surface);
}

.section-intro {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 52px;
}

.kicker {
    font-size: 12px;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--blue);
    font-weight: 800;
    margin-bottom: 12px;
}

.section-heading {
    font-size: clamp(32px, 4vw, 46px);
    font-weight: 800;
    margin: 0 0 18px;
}

.section-intro p,
.feature-copy p {
    font-size: 16px;
    color: var(--muted);
    margin: 0;
}

/* --- Structural Element Layout Grids --- */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.feature-card {
    padding: 29px 26px 30px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 6px 20px rgba(20, 43, 83, .025);
}

.feature-icon {
    width: 49px;
    height: 49px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: #eaf1ff;
    color: var(--blue);
    font-size: 23px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-family: Manrope, sans-serif;
    font-size: 19px;
    margin: 0 0 9px;
    letter-spacing: -.02em;
}

.feature-card p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.75;
}

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 74px;
    align-items: center;
    margin: 0 0 105px;
}

.split:last-child {
    margin-bottom: 0;
}

.split.reverse .split-media {
    order: 2;
}

.split-media {
    background: #edf2fb;
    border-radius: 26px;
    padding: 12px;
    overflow: hidden;
}

.split-media img {
    width: 100%;
    height: 355px;
    object-fit: cover;
    border-radius: 18px;
}

.split-copy .section-heading {
    font-size: clamp(30px, 3.5vw, 42px);
}

.split-copy p {
    color: var(--muted);
    font-size: 16px;
}

.check-list {
    list-style: none;
    padding: 0;
    margin: 23px 0 28px;
    display: grid;
    gap: 12px;
}

.check-list li {
    display: flex;
    gap: 11px;
    align-items: flex-start;
    color: #34435b;
    font-size: 14px;
}

.check-list li:before {
    content: "✓";
    display: grid;
    place-items: center;
    flex: 0 0 22px;
    height: 22px;
    background: #ddf8ec;
    color: #087d5a;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 900;
    margin-top: 1px;
}

/* --- Dynamic Process Steps --- */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    counter-reset: steps;
}

.step {
    padding: 27px;
    background: white;
    border: 1px solid var(--line);
    border-radius: 20px;
}

.step-num {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    background: var(--ink);
    color: white;
    border-radius: 13px;
    font-weight: 800;
    margin-bottom: 18px;
}

.step h3 {
    font-family: Manrope, sans-serif;
    font-size: 18px;
    margin: 0 0 8px;
}

.step p {
    font-size: 14px;
    color: var(--muted);
    margin: 0;
}

/* --- Brand strip & Conversions --- */
.trust-strip {
    padding: 31px 0 39px;
    border-bottom: 1px solid var(--line);
}

.trust-title {
    text-align: center;
    color: #69768b;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
    margin-bottom: 22px;
}

.logo-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
    align-items: center;
}

.partner {
    min-height: 72px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px;
    border-radius: 13px;
    transition: background .2s;
}

.partner:hover {
    background: #f7f9fd;
}

.partner img {
    height: 38px;
    width: 100%;
    max-width: 125px;
    object-fit: contain;
}

.partner span {
    font-size: 11px;
    color: #69768b;
    font-weight: 700;
    text-align: center;
}

/* --- Browser Extension Components --- */
.extension-badge-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 32px;
}

.extension-card {
    background: #fff;
    border: 1px solid var(--line);
    padding: 24px;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(20, 43, 83, 0.01);
    transition: transform 0.2s, box-shadow 0.2s;
}

.extension-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.extension-card span {
    font-size: 14px;
    font-weight: 700;
    color: var(--ink);
}

/* --- Call To Action Bands --- */
.cta-band {
    padding: 62px 0;
    background: linear-gradient(120deg, #10264b, #174fc0);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.cta-band:after {
    content: "";
    position: absolute;
    right: -70px;
    top: -170px;
    width: 400px;
    height: 400px;
    border: 1px solid rgba(255, 255, 255, .15);
    border-radius: 50%;
    box-shadow: 0 0 0 45px rgba(255, 255, 255, .035), 0 0 0 90px rgba(255, 255, 255, .025);
}

.cta-inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 36px;
}

.cta-inner h2 {
    font-family: Manrope, sans-serif;
    font-size: clamp(28px, 3.4vw, 42px);
    line-height: 1.15;
    letter-spacing: -.04em;
    margin: 0 0 12px;
    max-width: 650px;
}

.cta-inner p {
    color: #d3def5;
    margin: 0;
}

.cta-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.btn-white {
    background: white;
    color: #15315f;
}

.btn-white:hover {
    background: #edf3ff;
}

.btn-clear {
    border-color: rgba(255, 255, 255, .35);
    color: #fff;
    background: rgba(255, 255, 255, .06);
}

.btn-clear:hover {
    background: rgba(255, 255, 255, .13);
}

/* --- Site Footer Architecture --- */
footer {
    padding: 27px 0;
    background: #0c1a31;
    color: #aebbd0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    font-size: 12px;
}

.footer-inner a:hover {
    color: white;
}

.footer-links {
    display: flex;
    gap: 19px;
    flex-wrap: wrap;
}

/* --- Global Media Viewport Triggers --- */
@media(max-width:1000px) {
    .nav-links {
        gap: 17px;
    }

    .nav-links a {
        font-size: 13px;
    }

    .hero-grid {
        gap: 38px;
    }

    .hero-image-frame img {
        height: 340px;
    }

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

    .split {
        gap: 42px;
    }
}

@media(max-width:900px) {
    .extension-badge-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media(max-width:800px) {
    .nav-wrap {
        height: 72px;
    }

    .menu-toggle {
        display: block;
    }

    .nav-actions .login-link {
        display: none;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #fff;
        padding: 15px 22px 22px;
        border-bottom: 1px solid var(--line);
        box-shadow: 0 15px 20px rgba(20, 43, 83, .08);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        padding: 13px 3px;
        border-bottom: 1px solid #f0f3f8;
        font-size: 15px;
    }

    .nav-links a:last-child {
        border-bottom: 0;
    }

    .nav-actions>.btn {
        padding: 11px 13px;
        font-size: 12px;
    }

    .brand img {
        width: 160px;
    }

    .hero {
        padding: 65px 0 58px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 44px;
    }

    .hero-visual {
        max-width: 580px;
        margin: 0 auto;
        width: 100%;
    }

    .hero-image-frame img {
        height: 360px;
    }

    .floating-note {
        left: -7px;
    }

    .section {
        padding: 72px 0;
    }

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

    .split {
        grid-template-columns: 1fr;
        gap: 28px;
        margin-bottom: 72px;
    }

    .split.reverse .split-media {
        order: 0;
    }

    .split-media img {
        height: 320px;
    }

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

    .cta-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .cta-band {
        padding: 52px 0;
    }
}

@media(max-width:520px) {
    .container {
        width: min(100% - 32px, 1160px);
    }

    .nav-actions>.btn {
        display: none;
    }

    .brand img {
        width: 153px;
    }

    .hero {
        padding-top: 50px;
    }

    .hero h1 {
        font-size: 42px;
    }

    .hero-copy {
        font-size: 16px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .hero-image-frame {
        padding: 8px;
        border-radius: 22px;
    }

    .hero-image-frame img {
        height: 280px;
        border-radius: 16px;
    }

    .floating-note {
        bottom: 13px;
        padding: 11px 12px;
        max-width: 225px;
        width: 100%;
    }

    .note-icon {
        width: 36px;
        height: 36px;
    }

    .logo-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .partner {
        min-height: 68px;
    }

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

    .section-intro {
        margin-bottom: 35px;
    }

    .section-heading {
        font-size: 33px;
    }

    .split-media img {
        height: 255px;
    }

    .cta-actions {
        width: 100%;
        flex-direction: column;
    }

    .cta-actions .btn {
        width: 100%;
    }

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

    .footer-links {
        gap: 14px;
    }

    .extension-badge-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
}

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

    *,
    *:before,
    *:after {
        transition: none !important;
    }
}