:root {
    --blue-primary: #2563eb;
    --blue-soft: rgba(37, 99, 235, 0.1);
    --teal-accent: #0ea5e9;
    --background: #f7f9ff;
    --background-strong: #ffffff;
    --text-main: #0f172a;
    --text-muted: rgba(15, 23, 42, 0.7);
    --radius-large: 28px;
    --radius-medium: 18px;
    --shadow: 0 18px 36px rgba(15, 23, 42, 0.12);
    font-size: 16px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
    min-height: 100vh;
    background:
        radial-gradient(circle at 20% -10%, rgba(37, 99, 235, 0.18), transparent 45%),
        radial-gradient(circle at 80% 0%, rgba(14, 165, 233, 0.15), transparent 55%),
        linear-gradient(180deg, var(--background) 0%, #ffffff 65%);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
}

.wrapper {
    width: 100%;
    max-width: 620px;
    margin: 0 auto;
    padding: 3rem 1.6rem 6rem;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.intro {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.intro__badge {
    align-self: center;
    padding: 0.35rem 1.3rem;
    border-radius: 999px;
    background: var(--blue-soft);
    color: var(--blue-primary);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.7rem;
}

.intro__logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--blue-primary);
}

.intro__icon {
    font-size: 1.2rem;
}

.intro__title {
    font-size: clamp(2.1rem, 6vw, 2.8rem);
    font-weight: 800;
    line-height: 1.2;
}

.intro__subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.6;
}

.intro__button {
    align-self: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 2.4rem;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--blue-primary), #3b82f6);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 16px 30px rgba(37, 99, 235, 0.25);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.intro__button:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 36px rgba(37, 99, 235, 0.3);
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.card {
    padding: 1.8rem;
    border-radius: var(--radius-large);
    background: var(--background-strong);
    border: 1px solid rgba(37, 99, 235, 0.1);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    align-items: center;
    text-align: center;
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.card--visible {
    opacity: 1;
    transform: translateY(0);
}

.card__icon {
    width: 64px;
    height: 64px;
    border-radius: 22px;
    background: rgba(37, 99, 235, 0.12);
    display: grid;
    place-items: center;
    font-size: 1.8rem;
    margin-bottom: 0.4rem;
}

.card__title {
    font-size: 1.45rem;
    font-weight: 700;
    line-height: 1.3;
}

.card__subtitle {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.6;
}

.card__list {
    list-style: none;
    display: grid;
    gap: 0.6rem;
    padding: 1rem 1.2rem;
    border-radius: var(--radius-medium);
    background: rgba(37, 99, 235, 0.06);
    border: 1px solid rgba(37, 99, 235, 0.08);
    color: var(--text-main);
    font-weight: 600;
    text-align: left;
}

.card__list li {
    position: relative;
    padding-left: 1.5rem;
}

.card__list li::before {
    content: "✔";
    position: absolute;
    left: 0;
    color: var(--blue-primary);
    font-size: 0.9rem;
    transform: translateY(2px);
}

.cta {
    text-align: center;
    background: var(--background-strong);
    border-radius: var(--radius-large);
    border: 1px solid rgba(37, 99, 235, 0.1);
    padding: 2.5rem 1.8rem;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.cta__title {
    font-size: 1.8rem;
    font-weight: 700;
}

.cta__subtitle {
    color: var(--text-muted);
    line-height: 1.6;
}

.cta__button {
    align-self: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 2.2rem;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--blue-primary), #3b82f6);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 16px 30px rgba(37, 99, 235, 0.25);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta__button:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 36px rgba(37, 99, 235, 0.3);
}

.footer {
    margin-top: auto;
    padding: 2.5rem 1.8rem 3.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    color: var(--text-muted);
}

.footer__link {
    color: var(--blue-primary);
    text-decoration: none;
    font-size: 0.85rem;
}

.footer__link:hover {
    text-decoration: underline;
}

.footer__copy {
    font-size: 0.85rem;
}

@media (min-width: 768px) {
    .wrapper {
        padding-top: 4.5rem;
        gap: 3rem;
    }

    .intro__subtitle {
        font-size: 1.1rem;
    }

    .card {
        padding: 2.2rem;
    }

    .card__title {
        font-size: 1.55rem;
    }

    .cta {
        padding: 3rem 2.5rem;
    }
}