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

:root {
    --bg: #FAFAF8;
    --bg-alt: #F2F0EC;
    --text: #1A1A1A;
    --text-muted: #5C5C5C;
    --accent: #2D5A3D;
    --accent-light: #E8F0EB;
    --accent-hover: #1E4A2E;
    --white: #FFFFFF;
    --border: #E0DDD7;
    --radius: 10px;
    --font-display: 'DM Serif Display', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

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

/* === Nav === */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(250,250,248,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}
.nav-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.2rem;
}
.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--accent);
    color: var(--white);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
}
.nav-links {
    display: flex;
    gap: 32px;
}
.nav-links a {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color 0.2s;
    position: relative;
}
.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
}
.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
}
.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(--text);
    border-radius: 2px;
}

/* === Hero === */
.hero {
    padding: 100px 24px 80px;
    max-width: 1080px;
    margin: 0 auto;
}
.hero-content { max-width: 680px; }
.hero-tag {
    display: inline-block;
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    background: var(--accent-light);
    padding: 6px 14px;
    border-radius: 20px;
    margin-bottom: 24px;
}
.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5vw, 3.4rem);
    line-height: 1.15;
    margin-bottom: 20px;
    color: var(--text);
}
.hero-sub {
    font-size: 1.08rem;
    color: var(--text-muted);
    max-width: 540px;
    margin-bottom: 36px;
}
.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 0.92rem;
    font-weight: 600;
    border-radius: var(--radius);
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}
.btn-primary {
    background: var(--accent);
    color: var(--white);
}
.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}
.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1.5px solid var(--border);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* === Section Headers === */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}
.section-tag {
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: 10px;
}
.section-header h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
}

/* === Features === */
.features {
    padding: 80px 0;
    background: var(--bg-alt);
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}
.feature-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}
.feature-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}
.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: 10px;
}
.feature-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* === CTA === */
.cta-section { padding: 80px 0; }
.cta-box {
    background: var(--accent);
    color: var(--white);
    border-radius: 16px;
    padding: 56px 48px;
    text-align: center;
}
.cta-box h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    margin-bottom: 14px;
}
.cta-box p {
    max-width: 480px;
    margin: 0 auto 28px;
    opacity: 0.85;
    font-size: 1rem;
}
.cta-box .btn-primary {
    background: var(--white);
    color: var(--accent);
}
.cta-box .btn-primary:hover {
    background: var(--accent-light);
}

/* === Page Header (inner pages) === */
.page-header {
    padding: 80px 24px 48px;
    max-width: 1080px;
    margin: 0 auto;
}
.page-header h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: 14px;
}
.page-header p {
    font-size: 1.08rem;
    color: var(--text-muted);
    max-width: 560px;
}

/* === Content Section === */
.content-section {
    padding: 0 0 80px;
}
.content-section .container { max-width: 760px; }
.content-section h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 14px;
    margin-top: 48px;
}
.content-section h2:first-child { margin-top: 0; }
.content-section p {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

/* === Resource Cards === */
.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 36px;
}
.resource-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    transition: transform 0.2s, box-shadow 0.2s;
}
.resource-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.05);
}
.resource-card .tag {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent);
    margin-bottom: 12px;
}
.resource-card h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    margin-bottom: 10px;
}
.resource-card p {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* === Contact Form === */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-top: 36px;
}
.contact-info h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: 14px;
}
.contact-info p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}
.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 20px;
}
.contact-detail .icon {
    font-size: 1.2rem;
    margin-top: 2px;
}
.contact-detail .label {
    font-weight: 600;
    font-size: 0.88rem;
    margin-bottom: 2px;
}
.contact-detail .value {
    font-size: 0.92rem;
    color: var(--text-muted);
}
.contact-form label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 6px;
    margin-top: 18px;
}
.contact-form label:first-child { margin-top: 0; }
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    background: var(--white);
    transition: border-color 0.2s;
}
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
}
.contact-form textarea { resize: vertical; min-height: 120px; }
.contact-form .btn { margin-top: 20px; width: 100%; }

/* === Footer === */
.footer {
    background: var(--text);
    color: var(--white);
    padding: 56px 0 32px;
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 48px;
    margin-bottom: 40px;
}
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand .logo-icon {
    background: rgba(255,255,255,0.15);
}
.footer-brand p {
    font-size: 0.92rem;
    color: rgba(255,255,255,0.55);
    max-width: 300px;
}
.footer-links h4 {
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: rgba(255,255,255,0.45);
    margin-bottom: 16px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
    font-size: 0.92rem;
    color: rgba(255,255,255,0.7);
    transition: color 0.2s;
}
.footer-links a:hover { color: var(--white); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
}
.footer-bottom p {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.4);
}

/* === Mobile === */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-toggle { display: flex; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        padding: 20px 24px;
        gap: 16px;
    }
    .hero { padding: 60px 24px 50px; }
    .contact-grid { grid-template-columns: 1fr; gap: 36px; }
    .footer-inner { flex-direction: column; gap: 32px; }
}