/* -- Reset & Custom Properties -------------------------------- */
:root {
    --bg: #fafafa;
    --bg-subtle: #f3f3f6;
    --bg-card: #ffffff;
    --bg-card-hover: #f8f5ff;
    --text: #111827;
    --text-secondary: #6b7280;
    --accent: #7c5cfc;
    --accent-darker: #6a49e8;
    --accent-soft: rgba(124, 92, 252, 0.08);
    --accent-glow: rgba(124, 92, 252, 0.25);
    --border: #e5e7eb;
    --border-hover: rgba(124, 92, 252, 0.5);
    --tag-bg: #f0edff;
    --tag-text: #5b3fd4;
    --shadow: 0 1px 2px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.03);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.05), 0 1px 3px rgba(0,0,0,0.04);
    --shadow-hover: 0 12px 32px rgba(124,92,252,0.1), 0 4px 12px rgba(0,0,0,0.04);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 680px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

[data-theme="dark"] {
    --bg: #0b0b11;
    --bg-subtle: #12121c;
    --bg-card: #16161f;
    --bg-card-hover: #1e1d30;
    --text: #ededf2;
    --text-secondary: #8b8fa0;
    --border: #232333;
    --border-hover: rgba(124, 92, 252, 0.45);
    --tag-bg: rgba(124, 92, 252, 0.12);
    --tag-text: #b4a0fc;
    --shadow: 0 1px 2px rgba(0,0,0,0.25), 0 1px 3px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3), 0 1px 3px rgba(0,0,0,0.2);
    --shadow-hover: 0 12px 32px rgba(124,92,252,0.15), 0 4px 12px rgba(0,0,0,0.2);
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    transition: background var(--transition), color var(--transition);
    position: relative;
    overflow-x: hidden;
}

/* -- Ambient Page Glow ---------------------------------------- */
.page-glow {
    position: fixed;
    top: -120px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 360px;
    background: radial-gradient(ellipse at center, var(--accent-glow) 0%, transparent 70%);
    opacity: 0.5;
    pointer-events: none;
    z-index: 0;
    filter: blur(60px);
}

[data-theme="dark"] .page-glow {
    opacity: 0.35;
}

/* -- Container ------------------------------------------------ */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 3.5rem 1.25rem 2.5rem;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.5s ease both;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

/* -- Header --------------------------------------------------- */
.header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
    position: relative;
    padding-bottom: 2rem;
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent) 30%, var(--accent) 70%, transparent);
    opacity: 0.2;
}

.header__logo {
    position: relative;
    flex-shrink: 0;
}

.header__logo::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--accent), var(--accent-darker));
    opacity: 0.15;
    z-index: -1;
}

.header__logo img {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: block;
}

.header__info { flex: 1; }

.header__name {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--text) 60%, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header__tagline {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
    letter-spacing: 0.01em;
}

/* -- Theme Toggle --------------------------------------------- */
.theme-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
    flex-shrink: 0;
}
.theme-toggle:hover {
    border-color: var(--border-hover);
    color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.theme-toggle__icon--moon { display: none; }
[data-theme="dark"] .theme-toggle__icon--sun { display: none; }
[data-theme="dark"] .theme-toggle__icon--moon { display: block; }

/* -- Links Grid ----------------------------------------------- */
.links {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

/* -- Link Card ------------------------------------------------ */
.link-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.875rem 1.125rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--text);
    box-shadow: var(--shadow);
    transition:
        transform var(--transition),
        box-shadow var(--transition),
        border-color var(--transition),
        background var(--transition);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(12px);
}

/* Accent indicator - left border on hover */
.link-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%) scaleY(0);
    width: 3px;
    height: 60%;
    background: var(--accent);
    border-radius: 0 4px 4px 0;
    transition: transform var(--transition);
}

.link-card:hover::before {
    transform: translateY(-50%) scaleY(1);
}

.link-card.visible {
    opacity: 1;
    transform: translateY(0);
    transition:
        opacity 0.45s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.45s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow var(--transition),
        border-color var(--transition),
        background var(--transition);
}

.link-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}
.link-card:active { transform: translateY(0); }

/* -- Card with image on top ----------------------------------- */
.link-card--has-image.link-card--img-top {
    flex-direction: column;
    align-items: stretch;
    padding: 0;
}
.link-card--img-top .link-card__image {
    width: 100%;
    height: 180px;
    overflow: hidden;
    border-radius: var(--radius) var(--radius) 0 0;
}
.link-card--img-top .link-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.link-card--img-top:hover .link-card__image img {
    transform: scale(1.04);
}
.link-card--img-top .link-card__body {
    padding: 1rem 1.25rem 1rem;
}
.link-card--img-top .link-card__arrow {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: var(--bg-card);
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
    box-shadow: var(--shadow-md);
}
.link-card--img-top:hover .link-card__arrow {
    opacity: 1;
}

/* Accent line on top-image cards */
.link-card--img-top::before {
    left: 0;
    top: auto;
    bottom: 0;
    transform: translateY(0) scaleX(0);
    width: 100%;
    height: 2px;
    border-radius: 0;
}
.link-card--img-top:hover::before {
    transform: translateY(0) scaleX(1);
}

/* -- Card with image on left ---------------------------------- */
.link-card--has-image.link-card--img-left { padding: 0; }
.link-card--img-left .link-card__image {
    width: 120px;
    min-height: 100%;
    overflow: hidden;
    border-radius: var(--radius) 0 0 var(--radius);
    flex-shrink: 0;
}
.link-card--img-left .link-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 100px;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.link-card--img-left:hover .link-card__image img {
    transform: scale(1.04);
}
.link-card--img-left .link-card__body { padding: 1rem 1.25rem; flex: 1; }

/* -- Card Body ------------------------------------------------ */
.link-card__body { flex: 1; min-width: 0; }
.link-card__header { display: flex; align-items: center; gap: 0.6rem; }
.link-card__icon {
    color: var(--accent);
    display: flex;
    align-items: center;
    flex-shrink: 0;
    transition: transform var(--transition);
}
.link-card:hover .link-card__icon {
    transform: scale(1.1);
}
.link-card__title {
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.link-card__desc {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: 0.2rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* -- Tags ----------------------------------------------------- */
.link-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-top: 0.45rem;
}
.tag {
    font-size: 0.6875rem;
    font-weight: 500;
    padding: 0.125rem 0.45rem;
    background: var(--tag-bg);
    color: var(--tag-text);
    border-radius: 100px;
    letter-spacing: 0.01em;
    transition: background var(--transition);
}
.link-card:hover .tag {
    background: var(--accent-soft);
}

/* -- Arrow ---------------------------------------------------- */
.link-card__arrow {
    color: var(--text-secondary);
    flex-shrink: 0;
    opacity: 0.4;
    transition: color var(--transition), transform var(--transition), opacity var(--transition);
}
.link-card:hover .link-card__arrow {
    color: var(--accent);
    transform: translate(2px, -2px);
    opacity: 1;
}

/* -- Footer --------------------------------------------------- */
.footer {
    text-align: center;
    margin-top: 3.5rem;
    padding: 1.5rem 0 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 0.01em;
    position: relative;
}

.footer::before {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background: var(--accent);
    opacity: 0.2;
    margin: 0 auto 1rem;
    border-radius: 1px;
}

.footer__heart {
    color: #ef4444;
    display: inline-block;
    font-size: 0.8125rem;
    animation: heartbeat 2s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    14% { transform: scale(1.15); }
    28% { transform: scale(1); }
    42% { transform: scale(1.1); }
    56% { transform: scale(1); }
}

/* -- Responsive ----------------------------------------------- */
@media (max-width: 480px) {
    .container { padding: 2rem 1rem 1.5rem; }
    .header__name { font-size: 1.25rem; }
    .link-card--img-left .link-card__image { width: 90px; }
    .link-card--img-top .link-card__image { height: 140px; }
    .page-glow { width: 300px; height: 200px; }
}

/* -- Focus states --------------------------------------------- */
.link-card:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px var(--accent-soft);
}
.theme-toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* -- Scrollbar ------------------------------------------------ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* -- Selection ------------------------------------------------ */
::selection {
    background: var(--accent);
    color: #fff;
}

/* -- Sections ------------------------------------------------- */
.link-section {
    margin-bottom: 2rem;
}
.link-section:last-child {
    margin-bottom: 0;
}

.section-title {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    padding-left: 0.125rem;
}

/* -- Highlighted Card (subtle) -------------------------------- */
.link-card--highlight {
    border-color: rgba(124, 92, 252, 0.2);
}

.link-card--highlight::before {
    transform: translateY(-50%) scaleY(1);
    background: var(--accent);
    width: 3px;
    opacity: 0.6;
}

.link-card--highlight:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-hover);
}

[data-theme="dark"] .link-card--highlight {
    border-color: rgba(124, 92, 252, 0.15);
}

/* -- Badge-style Tags ----------------------------------------- */
.tag {
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.2rem 0.55rem;
    background: var(--tag-bg);
    color: var(--tag-text);
    border-radius: 100px;
    border: 1px solid rgba(124, 92, 252, 0.12);
    transition: background var(--transition), border-color var(--transition);
}

.link-card:hover .tag {
    background: rgba(124, 92, 252, 0.12);
    border-color: rgba(124, 92, 252, 0.2);
}

.link-card--highlight .tag {
    background: var(--tag-bg);
    border-color: rgba(124, 92, 252, 0.15);
}

/* -- Theme Toggle: utility-size override ---------------------- */
.theme-toggle {
    width: 30px;
    height: 30px;
    padding: 0.3rem;
    border-radius: 8px;
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    opacity: 0.45;
    transition: opacity var(--transition), color var(--transition), border-color var(--transition);
}
.theme-toggle:hover {
    opacity: 1;
    color: var(--text-secondary);
    border-color: var(--border);
    box-shadow: none;
}
.theme-toggle svg {
    width: 15px;
    height: 15px;
}

/* -- Product CTA on cards ------------------------------------- */
.link-card__cta {
    display: flex;
    align-items: center;
    gap: .3rem;
    font-size: .75rem;
    font-weight: 600;
    color: var(--accent);
    white-space: nowrap;
    flex-shrink: 0;
    transition: gap var(--transition);
}
.link-card:hover .link-card__cta {
    gap: .5rem;
}
.link-card__cta svg {
    transition: transform var(--transition);
}
.link-card:hover .link-card__cta svg {
    transform: translateX(2px);
}