* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --background: #f5f5f2;
    --card: #ffffff;
    --text: #171717;
    --muted: #737373;
    --border: #e5e5e5;
    --accent: #111111;
    --accent-hover: #292929;
}

body {
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI",
        Roboto, Helvetica, Arial, sans-serif;

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

.landing {
    min-height: 100vh;
}

.hero {
    min-height: 100vh;
    max-width: 1400px;
    margin: 0 auto;

    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;

    padding: 60px;
    gap: 80px;
}

/* BRAND */

.brand {
    display: flex;
    align-items: center;
    gap: 10px;

    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;

    margin-bottom: 90px;
}

.brand-icon {
    width: 34px;
    height: 34px;

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

    background: #111;
    color: white;

    border-radius: 9px;

    font-size: 18px;
}

/* HERO */

.hero-content {
    max-width: 650px;
}

.eyebrow {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--muted);

    margin-bottom: 18px;
}

h1 {
    font-size: clamp(48px, 5vw, 76px);
    line-height: 0.98;
    letter-spacing: -4px;

    margin-bottom: 30px;
}

h1 span {
    color: #777;
}

.description {
    max-width: 500px;

    font-size: 18px;
    line-height: 1.6;

    color: var(--muted);
}

/* FEATURES */

.features {
    margin-top: 55px;

    display: flex;
    flex-direction: column;
    gap: 24px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 15px;
}

.feature-icon {
    width: 40px;
    height: 40px;

    flex-shrink: 0;

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

    border: 1px solid var(--border);
    border-radius: 10px;

    background: white;
    font-size: 15px;
}

.feature strong {
    display: block;
    font-size: 14px;
    margin-bottom: 3px;
}

.feature p {
    color: var(--muted);
    font-size: 13px;
}

/* LOGIN */

.login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.login-card {
    width: 100%;
    max-width: 420px;

    padding: 42px;

    background: var(--card);

    border: 1px solid var(--border);
    border-radius: 20px;

    box-shadow:
        0 20px 50px rgba(0, 0, 0, 0.06);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h2 {
    font-size: 28px;
    letter-spacing: -1px;
    margin-bottom: 8px;
}

.login-header p {
    color: var(--muted);
    font-size: 14px;
}

/* GOOGLE BUTTON */

.google-button {
    width: 100%;
    height: 52px;

    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;

    background: white;
    color: #222;

    border: 1px solid #dcdcdc;
    border-radius: 10px;

    font-size: 15px;
    font-weight: 600;

    cursor: pointer;

    transition:
        background 0.2s ease,
        border-color 0.2s ease,
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.google-button:hover {
    background: #fafafa;
    border-color: #c8c8c8;

    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.06);

    transform: translateY(-1px);
}

.google-button:active {
    transform: translateY(0);
}

/* ERROR */

.auth-error {
    margin-top: 15px;

    color: #dc2626;

    font-size: 13px;
    text-align: center;
}

/* PRIVACY */

.privacy {
    margin-top: 25px;

    color: #999;

    font-size: 11px;
    line-height: 1.5;
    text-align: center;
}

/* COPYRIGHT */

.copyright {
    margin-top: 20px;

    color: #999;

    font-size: 11px;
}

/* MOBILE */

@media (max-width: 850px) {

    .hero {
        grid-template-columns: 1fr;

        padding: 30px 20px;

        gap: 50px;
    }

    .hero-content {
        max-width: 600px;
        margin: 0 auto;
    }

    .brand {
        margin-bottom: 60px;
    }

    h1 {
        font-size: 52px;
        letter-spacing: -3px;
    }

    .login-container {
        width: 100%;
    }

    .login-card {
        max-width: 500px;
    }
}

@media (max-width: 500px) {

    .hero {
        padding: 25px 18px;
    }

    .brand {
        margin-bottom: 45px;
    }

    h1 {
        font-size: 44px;
    }

    .description {
        font-size: 16px;
    }

    .features {
        margin-top: 40px;
    }

    .login-card {
        padding: 30px 22px;
        border-radius: 16px;
    }
}
