.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-3xl) 0;
    position: relative;
}

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

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

.section--dark {
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-alt) 100%);
    color: var(--color-text-primary);
    position: relative;
    overflow: hidden;
}


.section-heading {
    text-align: center;
    margin-bottom: var(--space-xl);
    position: relative;
}

.section-heading h2 {
    font-family: var(--font-family-display);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-black);
    margin-bottom: var(--space-sm);
    letter-spacing: var(--letter-spacing-tight);
    color: var(--color-text-primary);
}

.section-heading p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* Decorative gradient line under headings */
.section-heading::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-secondary));
    border-radius: 2px;
    margin: var(--space-md) auto 0;
}

.section-heading--light h2 {
    color: var(--color-text-primary);
}

.section-heading--light p {
    color: var(--color-text-secondary);
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}


/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    height: var(--nav-height);
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--color-border);
}

.nav__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-primary);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
    letter-spacing: var(--letter-spacing-tight);
    white-space: nowrap;
    flex-shrink: 0;
    margin-right: var(--space-xl);
}

.nav__logo-icon {
    color: var(--color-accent);
    width: 28px;
    height: 28px;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.nav__link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--color-text-secondary);
    padding: var(--space-sm) var(--space-md);
    border-radius: 50px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-base);
}

.nav__link svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.nav__link:hover {
    color: var(--color-accent);
    background: var(--color-accent-light);
}

.nav__link--active {
    color: var(--color-accent);
    background: var(--color-accent-light);
    box-shadow: inset 0 0 0 1px var(--color-accent-glow);
}

.nav__cta-wrapper {
    margin-left: var(--space-sm);
}

.nav__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    background: linear-gradient(135deg, var(--color-accent) 0%, #047857 100%);
    color: #ffffff;
    transition: all var(--transition-base);
    box-shadow: 0 2px 8px rgba(5, 150, 105, 0.25);
}

.nav__cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(5, 150, 105, 0.35);
}

.nav__cta svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.nav__toggle-input {
    display: none;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    padding: var(--space-sm);
}

.nav__toggle-bar {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--color-text-primary);
    border-radius: 2px;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

/* ============================================
   FOOTER (stays dark for contrast)
   ============================================ */
.footer {
    background: var(--color-dark-primary);
    color: var(--color-text-on-dark-muted);
    padding: var(--space-3xl) 0 var(--space-lg);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), var(--color-accent-secondary), transparent);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer__heading {
    color: var(--color-text-on-dark);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-md);
    letter-spacing: var(--letter-spacing-tight);
}

.footer__text {
    font-size: var(--font-size-sm);
    line-height: 1.75;
}

.footer__links li {
    margin-bottom: var(--space-sm);
}

.footer__links a {
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
}

.footer__links a:hover {
    color: var(--color-accent-secondary);
    padding-left: 4px;
}

.footer__social {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-on-dark-muted);
    transition: all var(--transition-base);
}

.footer__social-link:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #ffffff;
    transform: translateY(-2px);
}

.footer__social-link svg {
    width: 18px;
    height: 18px;
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: var(--space-lg);
    text-align: center;
    font-size: var(--font-size-sm);
}

.footer__license {
    margin-top: var(--space-sm);
    font-size: 0.75rem;
    color: var(--color-text-light);
}

.footer__license a {
    color: var(--color-text-on-dark-muted);
    transition: color var(--transition-base);
}

.footer__license a:hover {
    color: var(--color-accent-secondary);
}