/* ============================================
   WebWander - Base Styles
   ============================================ */

/* CSS Variables */
:root {
    --color-bg: #0a0a0f;
    --color-bg-alt: #12121a;
    --color-text: #e8e8ed;
    --color-text-muted: #8a8a9a;
    --color-accent: #6b8cff;
    --color-accent-hover: #8ba3ff;
    --color-card-bg: #16161f;
    --color-card-border: #2a2a35;
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --radius: 8px;
    --radius-lg: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

/* ============================================
   Hero Section - full viewport width
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    width: 100%;
    max-width: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Galaxy container - full viewport, where visualization goes */
.hero__galaxy-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    min-height: 100vh;
    z-index: 0;
    background: radial-gradient(ellipse 120% 100% at 50% 50%, #0c0e18 0%, #080a12 40%, #050508 100%);
}

.hero__galaxy-container::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(ellipse 70% 70% at 50% 50%, transparent 60%, rgba(0, 0, 0, 0.25) 100%);
}

.hero__galaxy-placeholder {
    position: absolute;
    inset: 0;
    display: none; /* Hidden – hero content provides context; canvas appears when ready */
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--color-text-muted);
    font-size: 1rem;
}

.hero__galaxy-placeholder span:first-child {
    font-size: 1.5rem;
    font-weight: 600;
}

.hero__galaxy-hint {
    font-size: 0.875rem;
    opacity: 0.7;
}

/* Hero tooltip - shows on star hover; behind buttons when overlay is visible */
.hero__tooltip {
    position: fixed;
    z-index: -1;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(10, 12, 24, 0.92);
    border: 1px solid rgba(107, 140, 255, 0.3);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
    box-shadow: 0 0 24px rgba(107, 140, 255, 0.15);
}

.hero__tooltip--visible {
    opacity: 1;
}

.hero__tooltip-name {
    display: block;
    font-weight: 600;
}

.hero__tooltip-hint {
    display: block;
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--color-text-muted);
    margin-top: 0.2em;
}

/* Hero content overlays the galaxy */
.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-md);
    transition: opacity 0.3s ease;
}

.hero__title,
.hero__tagline,
.hero__buttons {
    position: relative;
    z-index: 1;
}

/* When wandering: hide overlay so galaxy is fully visible */
.hero--wandering .hero__content {
    pointer-events: none;
}

.hero--wandering .hero__title,
.hero--wandering .hero__tagline,
.hero--wandering .hero__buttons {
    opacity: 0;
}

.hero--wandering .hero__tooltip {
    z-index: 10;
    pointer-events: auto;
}

/* Exit fullscreen button - appears when wandering */
.hero__exit-fullscreen {
    position: fixed;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 10;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
    font-weight: 600;
    background: rgba(8, 10, 20, 0.9);
    border: 1px solid rgba(107, 140, 255, 0.4);
    border-radius: var(--radius);
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(8px);
}

.hero__exit-fullscreen:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    background: rgba(12, 16, 32, 0.95);
    box-shadow: 0 0 20px rgba(107, 140, 255, 0.2);
}

/* View hint buttons - rotate to discover patterns */
.hero__view-hints {
    position: fixed;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    z-index: 5;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(8, 10, 20, 0.7);
    border-radius: var(--radius);
    border: 1px solid rgba(107, 140, 255, 0.2);
    backdrop-filter: blur(8px);
    font-size: 0.8rem;
}

.hero__view-hint-label {
    color: var(--color-text-muted);
    margin-right: var(--spacing-xs);
}

.hero__view-btn {
    padding: 0.35rem 0.6rem;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: inherit;
    transition: all 0.2s ease;
}

.hero__view-btn:hover {
    color: var(--color-accent);
    border-color: rgba(107, 140, 255, 0.4);
    background: rgba(107, 140, 255, 0.08);
}

.hero__title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 0 40px rgba(107, 140, 255, 0.3);
}

.hero__tagline {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.hero__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.2s, transform 0.15s;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-accent) 0%, #5a7ce8 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(107, 140, 255, 0.35);
}

.btn--primary:hover {
    background: linear-gradient(135deg, var(--color-accent-hover) 0%, var(--color-accent) 100%);
    box-shadow: 0 6px 24px rgba(107, 140, 255, 0.45);
}

.btn--secondary {
    background: linear-gradient(135deg, var(--color-accent) 0%, #5a7ce8 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(107, 140, 255, 0.35);
    border: none;
}

.btn--secondary:hover {
    background: linear-gradient(135deg, var(--color-accent-hover) 0%, var(--color-accent) 100%);
    box-shadow: 0 6px 24px rgba(107, 140, 255, 0.45);
    color: white;
}

.btn--ghost {
    background: linear-gradient(135deg, var(--color-accent) 0%, #5a7ce8 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(107, 140, 255, 0.35);
    border: none;
    font-size: 0.85rem;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-md);
}

.btn--ghost:hover {
    background: linear-gradient(135deg, var(--color-accent-hover) 0%, var(--color-accent) 100%);
    box-shadow: 0 6px 24px rgba(107, 140, 255, 0.45);
}

.hero__galaxy-btn {
    flex-basis: 100%;
    justify-content: center;
}

/* ============================================
   Sections (shared)
   ============================================ */
section {
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.section-title {
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

/* ============================================
   Discovery Section
   ============================================ */
.discovery {
    background: var(--color-bg-alt);
}

.discovery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.discovery__empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.95rem;
    padding: var(--spacing-xl);
}

.site-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: border-color 0.2s, transform 0.2s;
}

.site-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.site-card__icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.site-card__title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.site-card__desc {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.site-card__link {
    color: var(--color-accent);
    font-weight: 600;
    text-decoration: none;
}

.site-card__link:hover {
    text-decoration: underline;
}

/* ============================================
   How It Works
   ============================================ */
.how-it-works__steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

@media (max-width: 640px) {
    .how-it-works__steps {
        grid-template-columns: 1fr;
    }
}

.step {
    text-align: center;
}

.step__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-accent);
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 50%;
    margin-bottom: var(--spacing-sm);
}

.step__title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.step__desc {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* ============================================
   Categories
   ============================================ */
.categories {
    background: var(--color-bg-alt);
}

.categories__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: var(--spacing-sm);
}

.category-card {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius);
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    transition: border-color 0.2s, background 0.2s;
}

.category-card:hover {
    border-color: var(--category-color, var(--color-accent));
    box-shadow: 0 0 0 1px var(--category-color, var(--color-accent));
}

/* ============================================
   Submit Section
   ============================================ */
.submit__intro {
    text-align: center;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
    font-size: 0.95rem;
}

.submit__form {
    max-width: 480px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius);
    color: var(--color-text);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.submit__form .btn {
    width: 100%;
    margin-top: var(--spacing-sm);
}

/* ============================================
   Privacy Note (extension-inspired)
   ============================================ */
.privacy-note-section {
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--color-bg-alt);
}

.privacy-note__text {
    max-width: 560px;
    margin: 0 auto;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    text-align: center;
}

.privacy-note__icon {
    margin-right: 0.35em;
}

.privacy-note__text strong {
    color: var(--color-text);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    border-top: 1px solid var(--color-card-border);
}

.footer__links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer__links a {
    color: var(--color-text-muted);
    text-decoration: none;
}

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

.footer__copy {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ============================================
   Form feedback & loading states
   ============================================ */

.submit__feedback {
    margin-top: var(--spacing-sm);
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    line-height: 1.5;
}

.submit__feedback--success {
    background: rgba(107, 255, 184, 0.12);
    color: #6bffb8;
    border: 1px solid rgba(107, 255, 184, 0.3);
}

.submit__feedback--error {
    background: rgba(255, 107, 107, 0.12);
    color: #ff8a8a;
    border: 1px solid rgba(255, 107, 107, 0.3);
}

.discovery__loading {
    text-align: center;
    color: var(--color-text-muted);
    padding: var(--spacing-lg) 0;
    font-size: 0.9rem;
    letter-spacing: 0.03em;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 480px) {
    .hero__buttons {
        flex-direction: column;
    }

    .hero__buttons .btn {
        width: 100%;
    }
}