:root {
    --bg: #f1faf8;
    --ink: #122f30;
    --muted: #526c6c;
    --accent: #7eced8;
    --teal: #167b80;
    --line: #c9e3df;
    --white: #fff;
    --soft: #def4f1;
    --shadow: 0 16px 55px rgba(19, 65, 66, 0.09);
}
* {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
#packs {
    scroll-margin-top: 90px;
}
#about {
    padding-bottom: 30px;
}
body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family:
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}
a {
    color: inherit;
}
a:focus-visible {
    outline: 3px solid var(--teal);
    outline-offset: 4px;
    border-radius: 3px;
}
.wrap {
    width: min(1120px, calc(100% - 48px));
    margin-inline: auto;
}
.site-header {
    border-bottom: 1px solid var(--line);
    background: rgba(241, 250, 248, 0.9);
}
.header-inner {
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}
.brand {
    text-decoration: none;
    font-size: 1.15rem;
    letter-spacing: -0.035em;
    font-weight: 800;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 12px;
}
.brand-mark {
    width: 39px;
    height: 39px;
    border: 2px solid #173f40;
    border-radius: 12px;
    background: var(--accent);
    display: grid;
    place-items: center;
    font-weight: 900;
    font-size: 1.2rem;
}
.nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 26px;
    font-size: 0.94rem;
    font-weight: 650;
}
.nav a {
    text-decoration: none;
    color: #3a6061;
}
.nav a:hover {
    color: #096d75;
}
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.13em;
    font-size: 0.72rem;
    font-weight: 800;
    color: #1d7679;
}
.eyebrow::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #37ad9d;
}
.hero {
    padding: 98px 0 105px;
}
.hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 72px;
    align-items: center;
}
.hero h1 {
    font-size: clamp(3.5rem, 6.5vw, 6rem);
    line-height: 1.02;
    letter-spacing: -0.075em;
    font-weight: 850;
    max-width: 760px;
    margin: 21px 0 26px;
}
.hero h1 em {
    font-style: normal;
    color: var(--teal);
}
.lead {
    font-size: 1.2rem;
    color: var(--muted);
    max-width: 590px;
    line-height: 1.73;
    margin: 0 0 28px;
}
.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}
.button {
    padding: 14px 21px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-weight: 760;
    font-size: 0.94rem;
    transition: transform 0.15s ease;
}
.button:hover {
    transform: translateY(-2px);
}
.primary {
    background: #143b3d;
    color: white;
}
.secondary {
    border: 1.5px solid #a7cac7;
    color: #184345;
}
.availability {
    display: flex;
    align-items: center;
    gap: 9px;
    color: #567473;
    font-size: 0.85rem;
    margin-top: 20px;
}
.availability::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #43a98e;
}

.word-card {
    position: relative;
    z-index: 1;
    background: white;
    border: 2px solid #163a3c;
    border-radius: 23px;
    box-shadow: 9px 10px 0 #173c3d;
    width: min(305px, 80%);
    padding: 30px;
    transform: rotate(-5deg);
}
.word-label {
    text-transform: uppercase;
    letter-spacing: 0.13em;
    font-size: 0.69rem;
    color: #66827f;
    font-weight: 800;
}
.word-title {
    font-family: Georgia, serif;
    font-weight: 700;
    font-size: 2.4rem;
    line-height: 1.1;
    margin: 15px 0 5px;
}
.pronunciation {
    font-size: 0.85rem;
    color: #55807e;
}
.word-definition {
    font-size: 0.94rem;
    line-height: 1.65;
    color: #3e6160;
    margin-top: 22px;
}
.mini-stars {
    display: flex;
    gap: 6px;
    margin-top: 22px;
}
.mini-stars span {
    width: 28px;
    height: 7px;
    border-radius: 6px;
    background: #86d3c5;
}
.mini-stars span:nth-child(4),
.mini-stars span:nth-child(5) {
    background: #deefec;
}
.little-tag {
    position: absolute;
    right: 18px;
    top: 22px;
    background: #173b3d;
    color: #fff;
    border-radius: 8px;
    font-size: 0.69rem;
    padding: 7px 10px;
    letter-spacing: 0.03em;
}
.section {
    padding: 72px 0 90px;
}
.section.alt {
    background: #fff;
    border-top: 1px solid #e3eeed;
    border-bottom: 1px solid #e3eeed;
}
.section-head {
    max-width: 690px;
    margin-bottom: 35px;
}
.section h2 {
    font-size: clamp(2.1rem, 4.3vw, 3.35rem);
    letter-spacing: -0.06em;
    line-height: 1.13;
    margin: 12px 0 18px;
}
.section-sub {
    color: var(--muted);
    font-size: 1.05rem;
    margin: 0;
}
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.feature {
    background: #f6fbfa;
    border: 1px solid #d8eae7;
    border-radius: 19px;
    padding: 27px 25px;
}
.feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: #d6f0e9;
    display: grid;
    place-items: center;
    font-size: 1.25rem;
    color: #195c5d;
}
.feature h3 {
    font-size: 1.2rem;
    letter-spacing: -0.025em;
    margin: 21px 0 9px;
}
.feature p {
    color: var(--muted);
    font-size: 0.96rem;
    margin: 0;
    line-height: 1.7;
}
.values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin-top: 30px;
}
.value {
    padding-top: 22px;
    border-top: 2px solid #a8d9d3;
}
.value strong {
    display: block;
    font-size: 1.2rem;
    margin-bottom: 6px;
}
.value p {
    color: var(--muted);
    margin: 0;
}
.closing {
    padding: 30px 0;
}
.closing-inner {
    border-radius: 30px;
    background: #163d3f;
    color: #fff;
    padding: 62px 70px;
    display: flex;
    justify-content: space-between;
    gap: 40px;
    align-items: center;
}
.closing-inner h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.1;
    letter-spacing: -0.055em;
    margin: 0 0 12px;
}
.closing-inner p {
    color: #c8e6e3;
    margin: 0;
    max-width: 560px;
}
.closing-inner .button {
    background: #a5e6df;
    color: #113536;
    white-space: nowrap;
}
.footer {
    border-top: 1px solid var(--line);
    padding: 28px 0 40px;
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    color: #5b7775;
    font-size: 0.85rem;
}
.footer nav {
    display: flex;
    gap: 22px;
    flex-wrap: wrap;
}
.footer a {
    text-decoration: none;
}
.footer a:hover {
    text-decoration: underline;
}
.skip {
    position: absolute;
    left: -9999px;
    top: auto;
}
.skip:focus {
    left: 14px;
    top: 14px;
    background: white;
    padding: 10px;
    z-index: 999;
}
@media (max-width: 850px) {
    .hero-layout {
        grid-template-columns: 1fr;
        gap: 42px;
    }
    .hero {
        padding: 65px 0 70px;
    }
    .art {
        min-height: 340px;
    }
    .features {
        grid-template-columns: repeat(2, 1fr);
    }
    .closing-inner {
        padding: 44px;
        flex-direction: column;
        align-items: start;
    }
    .values {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    .value {
        padding-top: 16px;
    }
}
@media (max-width: 560px) {
    .wrap {
        width: min(100% - 32px, 1120px);
    }
    .header-inner {
        min-height: 72px;
        align-items: flex-start;
        flex-direction: column;
        justify-content: center;
        padding: 15px 0;
        gap: 12px;
    }
    .nav {
        gap: 18px;
        font-size: 0.83rem;
    }
    .hero h1 {
        font-size: clamp(3rem, 12vw, 4.1rem);
    }
    .lead {
        font-size: 1.04rem;
    }
    .hero {
        padding: 55px 0 64px;
    }
    .art {
        min-height: 330px;
    }
    .word-card {
        transform: rotate(-3deg);
    }
    .section {
        padding: 55px 0 65px;
    }
    .features {
        grid-template-columns: 1fr;
    }
    .closing {
        padding: 30px 0;
    }
    .closing-inner {
        padding: 34px 25px;
    }
    .footer-inner {
        align-items: flex-start;
        flex-direction: column;
    }
}
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .button {
        transition: none;
    }
    .button:hover {
        transform: none;
    }
}

.showcase-caption {
    position: absolute;
    bottom: -65px;
    left: 0;
    width: 100%;
    text-align: center;
}

.showcase-caption h3 {
    margin: 0 0 6px;
    font-size: 1.1rem;
}

.showcase-caption p {
    margin: 0;
    color: #4f6b69;
    font-size: 0.95rem;
}

.iphone {
    position: relative;
    width: 260px;
    aspect-ratio: 1350 / 2760;
}

.iphone-screen {
    position: absolute;
    left: 5.3%;
    top: 2.5%;
    width: 89.5%;
    height: 95%;
    border-radius: 11% / 5%;
    overflow: hidden;
}

.iphone-screen img {
    display: block;
    width: 100%;
    height: 100%;
}

.iphone-frame {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}
/* iPhone showcase */

.phones-showcase {
    position: relative;
    width: 100%;
    min-height: 580px;
    display: flex;
    align-items: center;
    justify-content: center;
    isolation: isolate;
}

.iphone {
    position: absolute;
    width: 280px; /* Previously 240px */
    aspect-ratio: 1350 / 2760;
    transform-origin: center bottom;
}

.iphone-screen {
    position: absolute;
    left: 5.3%;
    top: 2.5%;
    width: 89.5%;
    height: 95%;
    border-radius: 11% / 5%;
    overflow: hidden;
    background: #fff;
}

.iphone-screen img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.iphone-frame {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: fill;
    pointer-events: none;
}

.iphone-left {
    z-index: 1;
    transform: translateX(-125px) rotate(-13deg) scale(0.82);
}

.iphone-right {
    z-index: 2;
    transform: translateX(125px) rotate(13deg) scale(0.82);
}

.iphone-centre {
    z-index: 3;
    transform: translateY(-10px);
    filter: drop-shadow(0 16px 20px rgba(20, 50, 50, 0.18));
}

/* Smaller screens */

@media (max-width: 700px) {
    .phones-showcase {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        min-height: clamp(320px, 94vw, 390px);
        margin-top: 20px;
    }

    .iphone {
        width: clamp(145px, 42vw, 185px);
    }

    .iphone-left {
        transform:
            translateX(calc(-1 * clamp(50px, 18vw, 80px)))
            rotate(-13deg)
            scale(0.72);
    }

    .iphone-right {
        transform:
            translateX(clamp(50px, 18vw, 80px))
            rotate(13deg)
            scale(0.72);
    }

    .iphone-centre {
        transform: translateY(-5px);
    }
}

.feature-icon img {
    width: 28px;
    height: 28px;
    display: block;
}