:root {
    --color-bg: #0b0d17;
    --color-bg-light: #f6f8fc;
    --color-primary: #3b82f6;
    --color-primary-dark: #1f4981;
    --color-text: #101223;
    --color-text-light: #f3f4f9;
    --color-card: rgba(255, 255, 255, 0.08);
    --color-glow: rgba(59, 130, 246, 0.3);
    --gradient-hero: radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.35), rgba(11, 13, 23, 0.95));
    --font-base: "Inter", Arial, sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-base);
    color: var(--color-text);
    background-color: white;
    line-height: 1.6;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: min(1120px, 92vw);
    margin: 0 auto;
}

.hero {
    position: relative;
    min-height: auto;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 0.5rem 0 1.5rem;
    overflow: hidden;
    color: var(--color-text-light);
}

.hero__bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.25;
    z-index: -2;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: -1;
}

.hero__content {
    text-align: left;
    padding-top: 0.5rem;
}

.hero__brand {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.hero__brand img {
    width: 240px;
}

.hero__tagline {
    font-size: 0.95rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    opacity: 0.85;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 3.8rem);
    margin: 0 0 0.8rem;
    font-weight: 700;
}

.hero p {
    max-width: 640px;
    font-size: 1.05rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.hero__cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.75rem;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    font-size: 1rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.35);
}

.btn--ghost {
    border: 1px solid rgba(255, 255, 255, 0.5);
    color: white;
    background-color: transparent;
}

.btn:hover {
    transform: translateY(-2px);
}

.section {
    padding: 3rem 0;
}

.section--light {
    background-color: var(--color-bg-light);
}

.section--dark {
    background: linear-gradient(135deg, #101223, #1a2337);
    color: var(--color-text-light);
}

.section__grid {
    display: grid;
    gap: 2.5rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    align-items: start;
}

.section__intro {
    max-width: 640px;
    margin: 0 auto 2.5rem;
    text-align: center;
}

.feature-list,
.highlight-list,
.pill-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.feature-list li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
}

.feature-list li::before {
    content: "▹";
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.pill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.pill-list li {
    padding: 0.55rem 1rem;
    border-radius: 999px;
    background-color: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.35);
}

.card {
    padding: 2rem;
    border-radius: 24px;
    background: rgba(15, 18, 34, 0.82);
    color: var(--color-text-light);
    position: relative;
    overflow: hidden;
}

.card--glow::before {
    content: "";
    position: absolute;
    inset: -40% 10%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.25), transparent 70%);
    filter: blur(10px);
    z-index: 0;
}

.card > * {
    position: relative;
    z-index: 1;
}

.card__note {
    margin-top: 1.5rem;
    opacity: 0.85;
}

.highlight-list li {
    margin-bottom: 1rem;
}

.highlight-list span {
    font-weight: 600;
    color: #90caf9;
}

.quote {
    margin: 0;
    padding: 2rem;
    border-left: 4px solid rgba(144, 202, 249, 0.6);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    font-size: 1.1rem;
    line-height: 1.7;
}

.quote cite {
    display: block;
    margin-top: 1rem;
    font-size: 0.95rem;
    opacity: 0.75;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

.link-arrow::after {
    content: "→";
    transition: transform 0.2s ease;
}

.link-arrow:hover::after {
    transform: translateX(4px);
}

.form {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
}

.form__grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.form label {
    display: flex;
    flex-direction: column;
    font-weight: 500;
    color: var(--color-text);
}

.form input,
.form textarea {
    margin-top: 0.45rem;
    padding: 0.75rem 1rem;
    border-radius: 12px;
    border: 1px solid rgba(15, 23, 42, 0.15);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form input:focus,
.form textarea:focus {
    outline: none;
    border-color: rgba(59, 130, 246, 0.7);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}

.form__full {
    margin-top: 1.5rem;
    display: block;
}

.flash-wrapper {
    margin-bottom: 1.5rem;
}

.flash {
    padding: 0.85rem 1.2rem;
    border-radius: 12px;
    font-weight: 500;
}

.flash--success {
    background: rgba(34, 197, 94, 0.12);
    color: #15803d;
}

.flash--error {
    background: rgba(248, 113, 113, 0.12);
    color: #b91c1c;
}

.footer {
    padding: 2rem 0;
    background: #0d111c;
    color: rgba(255, 255, 255, 0.7);
}

.footer__content {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 0.95rem;
}

.footer a {
    color: var(--color-primary);
    text-decoration: none;
}

@media (max-width: 720px) {
    .hero__brand {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero__tagline {
        letter-spacing: 0.08em;
    }

    .hero__cta {
        flex-direction: column;
        align-items: flex-start;
    }
}

