:root {
    --clr-bg: #ffffff;
    --clr-bg-light: #f9fafb;
    --clr-bg-card: #ffffff;
    --clr-text: #111827;
    --clr-text-muted: #6b7280;
    --clr-accent: #dc2626;
    --clr-accent-hover: #b91c1c;
    --clr-accent-dark: #991b1b;
    --clr-accent-light: #fef2f2;
    --clr-success: #16a34a;
    --clr-success-light: #dcfce7;
    --clr-warning: #f59e0b;
    --clr-warning-light: #fef3c7;
    --clr-info: #2563eb;
    --clr-info-light: #dbeafe;
    --clr-border: #e5e7eb;
    --clr-shadow: rgba(0, 0, 0, 0.05);
    --clr-shadow-md: rgba(0, 0, 0, 0.1);
    --clr-shadow-lg: rgba(0, 0, 0, 0.15);
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* The hidden attribute must always win over component display rules. */
[hidden] {
    display: none !important;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Avenir Next', Avenir, 'Segoe UI', sans-serif;
    background: var(--clr-bg);
    color: var(--clr-text);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
}

::selection {
    background: var(--clr-accent);
    color: white;
}

:focus-visible {
    outline: 2px solid var(--clr-accent);
    outline-offset: 3px;
}

/* NAVIGATION */
.nav {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 18px 7vw;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--clr-border);
}

.nav-brand {
    gap: 11px;
    color: var(--clr-text);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
}

.nav-seal {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border: 1px solid var(--clr-border);
    border-radius: 50%;
}

.brand-subtitle {
    display: block;
    margin-top: 2px;
    color: var(--clr-text-muted);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 26px;
    align-items: center;
}

.nav-public-actions,
.nav-user-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-user-actions[hidden],
.nav-public-actions[hidden] {
    display: none;
}

.nav-link {
    color: var(--clr-text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s var(--ease);
    cursor: pointer;
}

.nav-link:hover {
    color: var(--clr-text);
}

.btn {
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s var(--ease);
    border: none;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: var(--clr-accent);
    color: white;
    box-shadow: 0 1px 3px rgba(220, 38, 38, 0.3);
}

.btn-primary:hover {
    background: var(--clr-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.35);
}

.btn-secondary {
    background: white;
    color: var(--clr-text);
    border: 1px solid var(--clr-border);
    text-decoration: none;
    box-shadow: 0 1px 2px var(--clr-shadow);
}

.btn-secondary:hover {
    background: var(--clr-bg-light);
    border-color: var(--clr-text-muted);
}

/* MODAL */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    z-index: 2000;
    padding: 48px;
    overflow-y: auto;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: 2px;
    padding: 48px;
    max-width: 500px;
    width: 100%;
    position: relative;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.2);
}

.modal-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: none;
    border: none;
    color: var(--clr-text-muted);
    font-size: 24px;
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s var(--ease);
}

.modal-close:hover {
    background: var(--clr-bg-light);
    color: var(--clr-text);
}

.modal h2 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.modal p {
    color: var(--clr-text-muted);
    margin-bottom: 32px;
    font-size: 14px;
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--clr-text-muted);
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--clr-bg-light);
    border: 1px solid var(--clr-border);
    border-radius: 8px;
    color: var(--clr-text);
    font-size: 14px;
    font-family: inherit;
    transition: all 0.2s var(--ease);
}

.form-input:focus {
    outline: none;
    border-color: var(--clr-accent);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-input::placeholder {
    color: var(--clr-text-muted);
    opacity: 0.5;
}

.form-link {
    text-align: center;
    margin-top: 24px;
    font-size: 14px;
    color: var(--clr-text-muted);
}

.form-link a {
    color: var(--clr-accent);
    cursor: pointer;
    font-weight: 600;
}

.form-link a:hover {
    text-decoration: underline;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .nav {
        padding: 16px 5vw;
    }
    
    .section {
        padding: 80px 32px;
    }
    
    .landmark {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .landmark:nth-child(even) {
        direction: ltr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .nav {
        padding: 14px 22px;
    }
    
    .nav-links {
        display: flex;
        gap: 8px;
    }

    .nav-public-actions > .nav-link,
    .nav-public-actions .btn-primary,
    #dashboardNavLink {
        display: none;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
    }
    
    .modal {
        padding: 24px;
    }
    
    .modal-content {
        padding: 32px 24px;
    }
}