:root {
    --blue: #173b65;
    --blue-dark: #102d4d;
    --blue-light: #eef4fa;

    --text: #17202a;
    --muted: #5e6873;

    --border: #d9e0e7;
    --background: #ffffff;
    --background-alt: #f6f8fa;

    --yellow: #fff5bf;
    --yellow-border: #e4ce58;

    --max-width: 1100px;
    --narrow-width: 780px;
}


/* ------------------------------
   RESET
------------------------------ */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;

    font-family:
        Arial,
        Helvetica,
        sans-serif;

    color: var(--text);
    background: var(--background);

    line-height: 1.65;
}

img {
    max-width: 100%;
}

a {
    color: inherit;
}


/* ------------------------------
   GENERAL
------------------------------ */

.container {
    width: min(calc(100% - 40px), var(--max-width));
    margin: 0 auto;
}

.container.narrow {
    max-width: var(--narrow-width);
}

.section {
    padding: 90px 0;
}

.alt-section {
    background: var(--background-alt);
}

.centered {
    text-align: center;
}

.section-label,
.eyebrow {
    margin: 0 0 12px;

    color: var(--blue);

    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.14em;
}

.section-label.light {
    color: #c8dcf2;
}

h1,
h2,
h3 {
    line-height: 1.12;
}

h1 {
    margin: 0;

    color: var(--blue);

    font-size: clamp(3rem, 8vw, 5.6rem);
    letter-spacing: -0.055em;
}

h2 {
    margin: 0 0 30px;

    color: var(--blue);

    font-size: clamp(2rem, 5vw, 3.25rem);
    letter-spacing: -0.035em;
}

p {
    margin-top: 0;
}

.large-text {
    font-size: 1.2rem;
}

.small-note {
    margin-top: 30px;

    color: var(--muted);

    font-size: 0.86rem;
}


/* ------------------------------
   HEADER
------------------------------ */

.site-header {
    position: sticky;
    z-index: 100;
    top: 0;

    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--border);

    backdrop-filter: blur(10px);
}

.header-inner {
    min-height: 70px;

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

    gap: 30px;
}

.logo {
    display: inline-flex;
    align-items: center;

    text-decoration: none;

    color: var(--blue);

    font-weight: bold;
}

.logo-one {
    margin-right: 8px;

    font-size: 2rem;
    line-height: 1;
}

.logo-text {
    font-size: 1rem;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 26px;
}

.main-nav a {
    color: #48525d;

    font-size: 0.9rem;
    font-weight: 600;

    text-decoration: none;
}

.main-nav a:hover,
.main-nav a:focus {
    color: var(--blue);
}

.menu-button {
    display: none;

    padding: 5px;

    color: var(--blue);
    background: none;

    border: 0;

    font-size: 1.75rem;

    cursor: pointer;
}


/* ------------------------------
   HERO
------------------------------ */

.hero {
    min-height: calc(100vh - 70px);
    min-height: calc(100svh - 70px);

    display: flex;
    align-items: center;

    padding: 90px 0;
}

.hero-inner {
    max-width: 900px;

    text-align: center;
}

.hero-intro {
    max-width: 700px;

    margin: 25px auto 35px;

    color: var(--muted);

    font-size: clamp(1.2rem, 3vw, 1.6rem);
}

.main-statement {
    max-width: 700px;

    margin: 40px auto;

    padding: 28px 35px;

    display: flex;
    justify-content: center;
    flex-wrap: wrap;

    gap: 8px;

    color: var(--blue);
    background: var(--blue-light);

    border: 2px solid var(--blue);
    border-radius: 12px;

    font-size: clamp(1.8rem, 5vw, 3rem);
}

.main-statement strong {
    font-weight: 800;
}

.hero-description {
    max-width: 700px;

    margin: 0 auto 35px;

    font-size: 1.08rem;
}


/* ------------------------------
   BUTTONS
------------------------------ */

.button {
    display: inline-block;

    padding: 13px 24px;

    color: #fff;
    background: var(--blue);

    border: 2px solid var(--blue);
    border-radius: 7px;

    font: inherit;
    font-weight: 700;

    text-decoration: none;

    cursor: pointer;

    transition:
        background 0.15s ease,
        color 0.15s ease,
        transform 0.15s ease;
}

.button:hover {
    background: var(--blue-dark);

    transform: translateY(-1px);
}

.secondary-button {
    color: var(--blue);
    background: #fff;
}

.secondary-button:hover {
    color: #fff;
}


/* ------------------------------
   KEY POINT
------------------------------ */

.key-point {
    margin: 38px 0;

    padding: 26px 30px;

    color: #443d13;
    background: var(--yellow);

    border-left: 5px solid var(--yellow-border);
    border-radius: 5px;

    font-size: 1.3rem;
}


/* ------------------------------
   COMPARISON
------------------------------ */

.comparison {
    margin-top: 50px;

    display: grid;
    grid-template-columns: 1fr 1fr;

    gap: 30px;
}

.comparison-card {
    min-height: 420px;

    padding: 40px;

    background: #fff;

    border: 1px solid var(--border);
    border-radius: 12px;
}

.comparison-heading {
    margin-bottom: 30px;

    color: var(--blue);

    font-size: 1.45rem;
    font-weight: bold;
}

.tax-list {
    margin: 0;
    padding-left: 23px;
}

.tax-list li {
    margin: 12px 0;

    color: #515a64;
}

.simple-system {
    display: flex;
    flex-direction: column;
}

.one-tax {
    flex: 1;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    text-align: center;
}

.giant-one {
    color: var(--blue);

    font-size: 9rem;
    font-weight: 800;
    line-height: 0.9;
}

.one-tax p {
    max-width: 300px;

    margin-top: 35px;

    color: var(--blue);

    font-size: 1.5rem;
    font-weight: bold;
}


/* ------------------------------
   LIFE EXAMPLES
------------------------------ */

.life-list {
    margin-top: 45px;

    border-top: 1px solid var(--border);
}

.life-item {
    padding: 22px 0;

    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;

    gap: 25px;

    border-bottom: 1px solid var(--border);

    font-size: 1.05rem;
}

.life-label {
    color: var(--muted);
}

.arrow {
    color: var(--blue);

    font-size: 1.4rem;
}

.life-item strong {
    color: var(--blue);
}


/* ------------------------------
   BLUE SECTION
------------------------------ */

.blue-section {
    color: #fff;
    background: var(--blue);
}

.blue-section h2 {
    max-width: 800px;

    color: #fff;
}

.blue-intro {
    max-width: 700px;

    color: #d9e6f3;

    font-size: 1.15rem;
}

.transaction-box {
    max-width: 820px;

    margin: 55px auto 35px;

    text-align: center;
}

.purchase,
.tax-collected {
    padding: 22px;

    color: var(--blue);
    background: #fff;

    border-radius: 10px;
}

.purchase strong,
.tax-collected strong {
    display: block;

    margin-top: 4px;

    font-size: 1.7rem;
}

.transaction-small {
    color: var(--muted);

    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.1em;
}

.transaction-arrow {
    padding: 12px;

    color: #bcd1e6;

    font-size: 2rem;
}

.government-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);

    gap: 12px;
}

.government-grid div {
    padding: 20px 12px;

    color: var(--blue);
    background: #fff;

    border-radius: 8px;
}

.government-grid span,
.government-grid strong {
    display: block;
}

.government-grid span {
    color: var(--muted);

    font-size: 0.85rem;
}

.government-grid strong {
    margin-top: 3px;
}

.blue-note {
    max-width: 750px;

    margin: 35px auto 0;

    color: #d3e1ef;

    text-align: center;

    font-size: 0.9rem;
}


/* ------------------------------
   BIG PRINCIPLE
------------------------------ */

.big-principle {
    text-align: center;
}

.big-number {
    display: block;

    margin-bottom: 20px;

    color: var(--blue);

    font-size: 7rem;
    font-weight: 800;
    line-height: 1;
}

.big-principle p {
    max-width: 600px;

    margin: 0 auto;

    color: var(--muted);

    font-size: 1.15rem;
}


/* ------------------------------
   QUESTION
------------------------------ */

.question-section {
    background: var(--background-alt);

    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.question-heading {
    color: var(--text);
}

.question-text {
    max-width: 650px;

    margin: 0 auto;

    color: var(--muted);

    font-size: 1.2rem;
}


/* ------------------------------
   SHARE
------------------------------ */

.share-section {
    padding-top: 110px;
    padding-bottom: 110px;
}

.share-intro {
    max-width: 620px;

    margin: 0 auto 30px;

    color: var(--muted);

    font-size: 1.1rem;
}

.share-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;

    gap: 12px;
}

.copy-message {
    min-height: 25px;

    margin-top: 18px;

    color: var(--blue);

    font-weight: bold;
}

.domain {
    margin-top: 30px;

    color: var(--blue);

    font-size: 1.4rem;
    font-weight: 800;
}


/* ------------------------------
   FOOTER
------------------------------ */

.site-footer {
    padding: 30px 0;

    color: #6a737d;

    border-top: 1px solid var(--border);

    font-size: 0.85rem;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;

    gap: 30px;
}

.footer-inner p {
    margin: 0;
}

.footer-logo {
    color: var(--blue);

    font-weight: bold;

    text-decoration: none;
}

.footer-logo span {
    font-size: 1.5rem;
}




.simple-steps {
    max-width: 560px;
    margin: 45px auto;
    text-align: left;
}

.simple-step {
    display: flex;
    align-items: baseline;
    gap: 18px;
    padding: 18px 0;
    border-bottom: 1px solid #d9e0e7;
    font-size: 1.5rem;
}

.simple-step span {
    width: 42px;
    color: #173b65;
    font-weight: 800;
}

.simple-step:last-child {
    border-bottom: 0;
    font-size: 2rem;
}

.simple-step:last-child strong {
    color: #173b65;
}



/* ------------------------------
   RESPONSIVE
------------------------------ */

@media (max-width: 760px) {

    .section {
        padding: 65px 0;
    }

    .main-nav {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;

        display: none;
        flex-direction: column;
        align-items: stretch;

        gap: 0;

        background: #fff;

        border-bottom: 1px solid var(--border);
    }

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

    .main-nav a {
        padding: 16px 20px;

        border-top: 1px solid var(--border);

        text-align: center;
    }

    .menu-button {
        display: block;
    }

    .hero {
        min-height: auto;

        padding: 75px 0;
    }

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

    .comparison-card {
        min-height: auto;
    }

    .life-item {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .life-item .arrow {
        display: none;
    }

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

    .footer-inner {
        flex-direction: column;

        text-align: center;
    }

}


@media (max-width: 460px) {

    .container {
        width: min(calc(100% - 28px), var(--max-width));
    }

    .main-statement {
        padding: 22px 15px;
    }

    .comparison-card {
        padding: 28px 22px;
    }

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

}