/* ---- Reset & Base ---- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-bg: #faf8f5;
    --color-bg-alt: #f3efe9;
    --color-text: #2c2a27;
    --color-text-light: #6b6560;
    --color-accent: #5a7d6b;
    --color-accent-hover: #4a6b5a;
    --color-border: #e0d9d0;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --radius: 8px;
    --max-width: 1100px;
    --transition: 0.2s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
}

/* ---- Typography ---- */
h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 600;
    color: var(--color-text);
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); margin-bottom: 1.25rem; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); margin-bottom: 1rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.75rem; }
h4 { font-size: 1rem; margin-bottom: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.8rem; color: var(--color-text-light); }

p { margin-bottom: 1rem; color: var(--color-text-light); }

a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-hover); }

/* ---- Layout ---- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-narrow {
    max-width: 720px;
}

.section {
    padding: 5rem 0;
}

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

/* ---- Buttons ---- */
.btn {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    color: #fff;
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-text);
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
}

/* ---- Navigation ---- */
.nav {
    position: sticky;
    top: 0;
    background: rgba(250, 248, 245, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
}

.nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--color-text-light);
    font-size: 0.925rem;
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--color-text);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
}

/* ---- Hero ---- */
.hero {
    padding: 6rem 0 5rem;
    text-align: center;
}

.hero-subtitle {
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto 2rem;
    color: var(--color-text-light);
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---- Grid & Cards ---- */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem;
}

.card h3 {
    margin-bottom: 0.75rem;
}

.card p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* ---- Opt-in Form ---- */
.optin-form {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.optin-form input[type="email"] {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    background: #fff;
    color: var(--color-text);
    transition: border-color var(--transition);
}

.optin-form input[type="email"]:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-note {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: 0.75rem;
}

/* ---- Footer ---- */
.footer {
    background: var(--color-text);
    color: #d4cfc8;
    padding: 3.5rem 0 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.5rem;
}

.footer-tagline {
    font-size: 0.9rem;
    color: #a8a29a;
    margin-bottom: 0;
}

.footer h4 {
    color: #a8a29a;
    margin-bottom: 1rem;
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: 0.5rem;
}

.footer ul a {
    color: #d4cfc8;
    font-size: 0.9rem;
}

.footer ul a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid #4a4540;
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: #8a847d;
    margin-bottom: 0;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: var(--color-bg);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-links.active {
        display: flex;
    }

    .grid-3 {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .hero {
        padding: 4rem 0 3rem;
    }

    .section {
        padding: 3.5rem 0;
    }
}