/* ============================================
   Basil - Landing Page Styles
   Colors: White & Green
   Font: DM Sans
   ============================================ */

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

:root {
    --green-900: #1a5c25;
    --green-700: #2d8c3c;
    --green-600: #359945;
    --green-500: #4caf50;
    --green-400: #66bb6a;
    --green-100: #e8f5e9;
    --green-50: #f1f8f2;
    --gray-900: #1a1a1a;
    --gray-700: #4a4a4a;
    --gray-500: #717171;
    --gray-200: #e5e5e5;
    --gray-100: #f5f5f5;
    --white: #ffffff;
    --radius: 12px;
    --radius-sm: 8px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--gray-900);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- Nav ---- */

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
}

.nav-container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--green-700);
}

.logo-icon {
    width: 32px;
    height: 32px;
}

/* ---- Hero ---- */

.hero {
    padding: 160px 0 100px;
    text-align: center;
    background: linear-gradient(180deg, var(--green-50) 0%, var(--white) 100%);
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.1;
    margin-bottom: 12px;
}

.hero .subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: var(--green-700);
    font-weight: 600;
    margin-bottom: 20px;
}

.hero .description {
    font-size: 1.125rem;
    color: var(--gray-700);
    max-width: 560px;
    margin: 0 auto 40px;
}

/* ---- Waitlist Form ---- */

.waitlist-form {
    display: flex;
    gap: 12px;
    max-width: 460px;
    margin: 0 auto;
    justify-content: center;
}

.waitlist-form input[type="email"] {
    flex: 1;
    padding: 14px 20px;
    font-size: 1rem;
    font-family: inherit;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    outline: none;
    transition: border-color 0.2s;
}

.waitlist-form input[type="email"]:focus {
    border-color: var(--green-500);
}

.waitlist-form button {
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    color: var(--white);
    background: var(--green-700);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    white-space: nowrap;
}

.waitlist-form button:hover {
    background: var(--green-600);
}

.waitlist-form button:active {
    transform: scale(0.98);
}

.waitlist-form button:disabled {
    opacity: 0.7;
    cursor: default;
}

.form-note {
    margin-top: 12px;
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* ---- How It Works ---- */

.how-it-works {
    padding: 100px 0;
}

.how-it-works h2,
.benefits h2,
.cta h2 {
    text-align: center;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 60px;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.step {
    text-align: center;
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--green-100);
    color: var(--green-700);
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.step p {
    color: var(--gray-700);
    font-size: 1rem;
    line-height: 1.6;
}

/* ---- Benefits ---- */

.benefits {
    padding: 100px 0;
    background: var(--gray-100);
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.benefit {
    background: var(--white);
    border-radius: var(--radius);
    padding: 36px;
    border: 1px solid var(--gray-200);
}

.benefit-icon {
    width: 44px;
    height: 44px;
    color: var(--green-700);
    margin-bottom: 16px;
}

.benefit-icon svg {
    width: 100%;
    height: 100%;
}

.benefit h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.benefit p {
    color: var(--gray-700);
    font-size: 0.975rem;
    line-height: 1.6;
}

/* ---- CTA ---- */

.cta {
    padding: 100px 0;
    text-align: center;
}

.cta h2 {
    margin-bottom: 16px;
}

.cta > .container > p {
    color: var(--gray-700);
    font-size: 1.125rem;
    margin-bottom: 36px;
}

/* ---- Footer ---- */

footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--gray-200);
}

footer p {
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
    .hero {
        padding: 120px 0 80px;
    }

    .steps {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .benefit-grid {
        grid-template-columns: 1fr;
    }

    .waitlist-form {
        flex-direction: column;
    }

    .waitlist-form button {
        width: 100%;
    }

    .how-it-works,
    .benefits,
    .cta {
        padding: 72px 0;
    }
}