:root {
    --cloud-white: #fafbfc;
    --midnight-navy: #0f172a;
    --soft-silver: #cbd5e1;
    --teal: #14b8a6;
    --teal-dark: #0f9f91;
    --slate-graphite: #334155;
    --success: #087c70;
    --error: #b42318;
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    min-height: 100%;
    background: var(--cloud-white);
}

body {
    min-height: 100svh;
    margin: 0;
    overflow-x: hidden;
    color: var(--midnight-navy);
    background:
        radial-gradient(circle at 52% 48%, rgba(255, 255, 255, 0.98), rgba(250, 251, 252, 0.84) 60%, rgba(236, 242, 247, 0.86) 100%);
    font-family: "Inter", Arial, sans-serif;
    display: grid;
    grid-template-rows: 1fr auto;
}

.corner {
    position: fixed;
    z-index: -1;
    pointer-events: none;
}

.corner--top {
    top: 0;
    right: 0;
    width: clamp(190px, 29vw, 450px);
    height: clamp(230px, 43vw, 660px);
    background: var(--midnight-navy);
    clip-path: polygon(34% 0, 100% 0, 100% 100%);
}

.corner--top::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--teal);
    clip-path: polygon(24% 0, 34% 0, 100% 100%, 90% 100%);
}

.corner--bottom {
    left: 0;
    bottom: 0;
    width: clamp(150px, 24vw, 370px);
    height: clamp(180px, 32vw, 490px);
    background: linear-gradient(135deg, #e7eef5 0%, #dce5ee 100%);
    clip-path: polygon(0 0, 100% 100%, 0 100%);
}

.page-shell {
    width: min(100%, 1080px);
    margin: 0 auto;
    padding: clamp(28px, 4vh, 48px) 24px 16px;
    display: grid;
    place-items: center;
}

.hero {
    width: 100%;
    text-align: center;
}

.brand-logo {
    display: block;
    width: clamp(275px, 36vw, 425px);
    height: auto;
    margin: clamp(-58px, -4.6vw, -38px) auto clamp(-52px, -4vw, -34px);
    mix-blend-mode: multiply;
}

.message h1 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.45rem);
    line-height: 1.12;
    letter-spacing: -0.045em;
    font-weight: 700;
}

.message h1 span {
    color: var(--teal-dark);
}

.message > p {
    margin: clamp(18px, 2.3vh, 26px) auto 0;
    color: var(--slate-graphite);
    font-size: clamp(1rem, 1.6vw, 1.35rem);
    line-height: 1.6;
    letter-spacing: 0.01em;
}

.launch-card {
    position: relative;
    width: min(100%, 700px);
    margin-top: clamp(30px, 4.5vh, 48px);
    margin-inline: auto;
    padding: clamp(24px, 3.2vh, 34px) clamp(28px, 4vw, 54px) clamp(20px, 2.8vh, 30px);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 20px;
    color: #fff;
    background:
        radial-gradient(circle at 100% 100%, rgba(20, 184, 166, 0.2), transparent 34%),
        linear-gradient(145deg, #111c34, var(--midnight-navy));
    box-shadow:
        0 26px 70px rgba(15, 23, 42, 0.18),
        0 2px 8px rgba(15, 23, 42, 0.08);
    overflow: hidden;
}

.launch-card::before {
    display: none;
}

.launch-card::after {
    content: "";
    position: absolute;
    right: -34px;
    bottom: -40px;
    width: 105px;
    height: 105px;
    border: 18px solid rgba(20, 184, 166, 0.075);
    border-radius: 28px;
    transform: rotate(45deg);
    pointer-events: none;
}

.coming-soon {
    margin-top: 0;
}

.coming-soon span {
    display: none;
}

.coming-soon p {
    margin: 0;
    color: #47d5c5;
    font-family: "Montserrat", "Inter", sans-serif;
    font-size: clamp(1.25rem, 2.15vw, 1.75rem);
    font-weight: 600;
    letter-spacing: 0.34em;
    text-transform: uppercase;
}

.signup {
    width: min(100%, 590px);
    margin: clamp(22px, 3vh, 30px) auto 0;
}

.signup h2 {
    margin: 0 0 20px;
    font-size: clamp(1rem, 1.55vw, 1.2rem);
    line-height: 1.35;
    font-weight: 700;
    color: #fff;
}

.form-row {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(175px, 1fr);
    min-height: 58px;
    border: 1px solid #aebdd0;
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.84);
    box-shadow: 0 8px 25px rgba(15, 23, 42, 0.06);
    overflow: hidden;
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

.form-row:focus-within {
    border-color: var(--teal-dark);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.14), 0 8px 25px rgba(15, 23, 42, 0.06);
}

.form-row input {
    min-width: 0;
    border: 0;
    outline: 0;
    padding: 0 24px;
    color: var(--midnight-navy);
    background: transparent;
    font: inherit;
    font-size: 1rem;
}

.form-row input::placeholder {
    color: #748198;
    opacity: 1;
}

.form-row button {
    min-width: 0;
    border: 0;
    padding: 0 20px;
    color: #fff;
    background: linear-gradient(135deg, var(--teal-dark), var(--teal));
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    transition: filter 160ms ease, transform 160ms ease;
}

.form-row button:hover {
    filter: brightness(0.96);
}

.form-row button:active {
    transform: scale(0.985);
}

.form-row button:focus-visible {
    outline: 3px solid rgba(15, 23, 42, 0.5);
    outline-offset: -4px;
}

.form-row button:disabled {
    cursor: wait;
    opacity: 0.82;
}

.button-loader {
    display: none;
    width: 18px;
    height: 18px;
    margin: auto;
    border: 2px solid rgba(255, 255, 255, 0.42);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 700ms linear infinite;
}

form.is-loading .button-label {
    display: none;
}

form.is-loading .button-loader {
    display: block;
}

.form-status {
    min-height: 24px;
    margin: 10px 8px 0;
    font-size: 0.9rem;
    line-height: 1.45;
}

.form-status.is-success {
    color: #71e2d5;
}

.form-status.is-error {
    color: #fda29b;
}

.website-field {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

footer {
    position: relative;
    z-index: 1;
    padding: clamp(28px, 4.5vh, 46px) 24px clamp(16px, 2.4vh, 26px);
    color: #718096;
    text-align: center;
    font-size: 0.82rem;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@media (max-width: 640px) {
    .corner--top {
        width: 155px;
        height: 210px;
    }

    .corner--bottom {
        width: 125px;
        height: 165px;
    }

    .page-shell {
        padding: 18px 18px 6px;
    }

    .brand-logo {
        width: min(74vw, 325px);
        margin-top: -44px;
        margin-bottom: -38px;
    }

    .message h1 {
        max-width: 330px;
        margin-inline: auto;
        font-size: clamp(1.85rem, 8.6vw, 2.5rem);
    }

    .message > p {
        max-width: 390px;
        line-height: 1.46;
    }

    .desktop-break {
        display: none;
    }

    .coming-soon {
        margin-top: 0;
    }

    .coming-soon p {
        font-size: 1.18rem;
        letter-spacing: 0.28em;
    }

    .signup {
        margin-top: 22px;
    }

    .launch-card {
        width: min(100%, 430px);
        margin-top: 26px;
        padding: 24px 16px 18px;
        border-radius: 16px;
    }

    .form-row {
        grid-template-columns: 1fr;
        border: 0;
        background: transparent;
        box-shadow: none;
        overflow: visible;
        gap: 10px;
    }

    .form-row:focus-within {
        border: 0;
        box-shadow: none;
    }

    .form-row input,
    .form-row button {
        min-height: 54px;
        border-radius: 9px;
    }

    .form-row input {
        border: 1px solid #aebdd0;
        background: rgba(255, 255, 255, 0.9);
        box-shadow: 0 6px 20px rgba(15, 23, 42, 0.05);
    }

    .form-row input:focus {
        border-color: var(--teal-dark);
        box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.14);
    }

    footer {
        padding-top: 24px;
        padding-bottom: 12px;
    }
}

@media (max-height: 760px) and (min-width: 641px) {
    .page-shell {
        padding-top: 20px;
    }

    .brand-logo {
        width: 315px;
        margin-top: -48px;
        margin-bottom: -42px;
    }

    .message h1 {
        font-size: 2.65rem;
    }

    .message > p {
        margin-top: 14px;
        font-size: 1rem;
    }

    .coming-soon {
        margin-top: 0;
    }

    .signup {
        margin-top: 20px;
    }

    .launch-card {
        margin-top: 24px;
        padding-top: 20px;
        padding-bottom: 16px;
    }

    .coming-soon span {
        margin-bottom: 16px;
    }

    .signup h2 {
        margin-bottom: 14px;
    }
}

@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;
    }
}

@media (min-width: 841px) {
    body {
        background:
            radial-gradient(circle at 30% 45%, #ffffff 0%, rgba(250, 251, 252, 0.92) 58%, #edf2f6 100%);
    }

    .corner--top {
        display: none;
    }

    .corner--bottom {
        width: clamp(130px, 15vw, 240px);
        height: clamp(170px, 22vw, 340px);
        opacity: 0.72;
    }

    .page-shell {
        width: min(100%, 1320px);
        padding: clamp(34px, 5vh, 62px) clamp(38px, 6vw, 88px) 20px;
    }

    .hero {
        display: grid;
        grid-template-columns: minmax(0, 1.1fr) minmax(390px, 0.9fr);
        grid-template-rows: auto auto;
        column-gap: clamp(55px, 7vw, 110px);
        align-items: center;
        text-align: center;
    }

    .brand-logo {
        grid-column: 1;
        grid-row: 1;
        justify-self: center;
        width: clamp(365px, 35vw, 510px);
        margin: clamp(-76px, -5.8vw, -52px) auto clamp(-26px, -1.8vw, -16px);
    }

    .message {
        grid-column: 1;
        grid-row: 2;
        align-self: start;
        max-width: 670px;
        justify-self: center;
        text-align: center;
    }

    .message h1 {
        font-size: clamp(2.75rem, 4.2vw, 4.35rem);
        line-height: 1.04;
    }

    .message > p {
        max-width: 610px;
        margin-inline: auto;
        font-size: clamp(1.05rem, 1.45vw, 1.3rem);
    }

    .launch-card {
        grid-column: 2;
        grid-row: 1 / span 2;
        align-self: stretch;
        width: 100%;
        min-height: 510px;
        margin: 0;
        padding: clamp(50px, 7vh, 76px) clamp(34px, 4vw, 54px);
        border-radius: 28px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .coming-soon {
        text-align: left;
    }

    .coming-soon span {
        display: none;
    }

    .coming-soon p {
        font-size: clamp(1.45rem, 2vw, 1.9rem);
        letter-spacing: 0.3em;
    }

    .signup {
        width: 100%;
        margin: clamp(38px, 5vh, 54px) 0 0;
        text-align: left;
    }

    .signup h2 {
        margin-bottom: 22px;
        font-size: clamp(1rem, 1.25vw, 1.15rem);
        line-height: 1.6;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 12px;
        border: 0;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
        overflow: visible;
    }

    .form-row:focus-within {
        border: 0;
        box-shadow: none;
    }

    .form-row input,
    .form-row button {
        min-height: 58px;
        border-radius: 10px;
    }

    .form-row input {
        border: 1px solid rgba(203, 213, 225, 0.65);
        padding-inline: 20px;
        background: #fff;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    }

    .form-row input:focus {
        border-color: var(--teal);
        box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.22);
    }

    .form-row button {
        box-shadow: 0 10px 26px rgba(20, 184, 166, 0.2);
    }

    .form-status {
        margin-inline: 2px;
    }

    footer {
        text-align: left;
        padding-left: clamp(38px, 6vw, 88px);
    }
}