/* ============================================================
   UtilsWeb — futurist dark theme with animated mesh + neon
   ============================================================ */

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

:root {
    --bg: #050511;
    --bg-2: #0A0A18;
    --bg-card: rgba(20, 25, 50, 0.55);
    --bg-card-2: rgba(15, 20, 40, 0.65);
    --bg-card-solid: #131830;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.18);
    --text: #FFFFFF;
    --text-2: #B0B7C7;
    --text-3: #6B7290;
    --accent: #00E5FF;
    --accent-2: #7C3AED;
    --accent-3: #EC4899;
    --accent-amber: #F59E0B;
    --success: #22C55E;
    --error: #EF4444;
    --warn: #FBBF24;

    --grad-primary: linear-gradient(135deg, #00E5FF 0%, #7C3AED 50%, #EC4899 100%);
    --grad-secondary: linear-gradient(135deg, #3B82F6, #00E5FF);
}

html, body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
    line-height: 1.55;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
a { color: inherit; text-decoration: none; }

/* ============================================================
   ANIMATED MESH BACKGROUND
   ============================================================ */
.mesh {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}
.mesh .blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.55;
    will-change: transform;
}
.mesh .blob-cyan {
    width: 600px; height: 600px;
    top: -200px; left: -150px;
    background: radial-gradient(circle, #00E5FF 0%, transparent 70%);
    animation: float-1 22s ease-in-out infinite;
}
.mesh .blob-violet {
    width: 720px; height: 720px;
    top: 30%; right: -200px;
    background: radial-gradient(circle, #7C3AED 0%, transparent 70%);
    animation: float-2 26s ease-in-out infinite;
}
.mesh .blob-pink {
    width: 520px; height: 520px;
    bottom: -150px; left: 25%;
    background: radial-gradient(circle, #EC4899 0%, transparent 70%);
    animation: float-3 18s ease-in-out infinite;
}
.mesh .grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
}
@keyframes float-1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50%      { transform: translate(120px, 60px) scale(1.1); }
}
@keyframes float-2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50%      { transform: translate(-160px, -80px) scale(0.9); }
}
@keyframes float-3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50%      { transform: translate(80px, -100px) scale(1.15); }
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: rgba(5, 5, 17, 0.7);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    z-index: 50;
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; }
.brand {
    display: flex; align-items: center; gap: 10px;
    font-weight: 800; font-size: 18px; letter-spacing: -0.02em;
    position: relative;
}
.brand-logo {
    font-size: 22px;
    background: var(--grad-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 8px rgba(0, 229, 255, 0.4));
    animation: logo-spin 16s linear infinite;
    display: inline-block;
}
@keyframes logo-spin { from { transform: rotate(0); } to { transform: rotate(360deg); } }
.brand-name { color: var(--text); }
.brand-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
    margin-left: 4px;
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.4; transform: scale(0.8); }
}
.site-header nav { display: flex; gap: 22px; align-items: center; }
.site-header nav a {
    color: var(--text-2); font-size: 14px;
    transition: color 0.15s;
    position: relative;
}
.site-header nav a:hover, .site-header nav a.active { color: var(--text); }
.site-header nav a.active::after {
    content: "";
    position: absolute;
    bottom: -22px; left: 0; right: 0;
    height: 2px;
    background: var(--grad-secondary);
    border-radius: 2px;
}
.site-header nav a.cta {
    background: var(--grad-primary);
    color: #000;
    padding: 8px 16px;
    border-radius: 999px;
    font-weight: 700;
    transition: filter 0.15s, transform 0.15s;
}
.site-header nav a.cta:hover { filter: brightness(1.1); transform: translateY(-1px); }

/* ============================================================
   HERO
   ============================================================ */
.hero { padding: 88px 0 56px; position: relative; }
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 13px;
    color: var(--text-2);
    margin-bottom: 22px;
    backdrop-filter: blur(12px);
}
.hero-eyebrow .pulse-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 10px var(--success);
    animation: pulse-dot 1.8s ease-in-out infinite;
}
.hero-eyebrow-sep { color: var(--text-3); }
.hero h1 {
    font-size: clamp(40px, 6vw, 84px);
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1.0;
    max-width: 900px;
    margin-bottom: 18px;
}
.hero h1 em {
    font-style: normal;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    display: inline-block;
}
.hero h1 em::after {
    content: attr(data-text);
    position: absolute;
    inset: 0;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: blur(20px);
    opacity: 0.5;
    z-index: -1;
}
.hero .tagline {
    color: var(--text-2);
    font-size: clamp(16px, 1.6vw, 19px);
    margin-top: 14px;
    max-width: 680px;
    line-height: 1.55;
}
.hero .tagline strong { color: var(--text); }
.hero-stats { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px; }
.chip {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 13px;
    color: var(--text-2);
    backdrop-filter: blur(8px);
    transition: all 0.2s;
}
.chip:hover {
    color: var(--text);
    border-color: var(--border-strong);
    transform: translateY(-2px);
}

/* ============================================================
   FILTER PILLS
   ============================================================ */
.filters { padding: 0 0 14px; position: sticky; top: 62px; z-index: 30; backdrop-filter: blur(14px); }
.filter-pills {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    padding: 14px 0;
}
.pill {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    color: var(--text-2);
    padding: 9px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    backdrop-filter: blur(10px);
    user-select: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.pill:hover { color: var(--text); border-color: var(--border-strong); }
.pill.active {
    background: var(--grad-primary);
    border-color: transparent;
    color: #000;
}
.pill .pill-count {
    background: rgba(0,0,0,0.18);
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
}
.pill:not(.active) .pill-count {
    background: rgba(255,255,255,0.06);
    color: var(--text-3);
}

/* ============================================================
   TOOL CATEGORIES + GRID
   ============================================================ */
.tools { padding: 8px 0 56px; }
.category {
    margin-bottom: 48px;
    scroll-margin-top: 140px;
}
.category-head {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 22px;
    padding-bottom: 16px;
    border-bottom: 1px dashed var(--border);
}
.category-head .cat-icon {
    font-size: 28px;
    display: inline-block;
    filter: drop-shadow(0 0 8px currentColor);
}
.category-head .cat-title {
    font-size: clamp(22px, 2.6vw, 30px);
    font-weight: 800;
    letter-spacing: -0.025em;
}
.category-head .cat-desc {
    color: var(--text-2);
    font-size: 14px;
    flex: 1;
}
.category-head .cat-count {
    color: var(--text-3);
    font-size: 13px;
    font-variant-numeric: tabular-nums;
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.tool-card {
    --card-accent: var(--accent);
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 22px;
    transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.25s, box-shadow 0.25s;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow: hidden;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.tool-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 18px;
    padding: 1px;
    background: var(--card-accent-gradient, transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.25s;
    pointer-events: none;
}
.tool-card::after {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: 18px;
    background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(255,255,255,0.06), transparent 40%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s;
}
.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.5);
}
.tool-card:hover::before { opacity: 1; }
.tool-card:hover::after { opacity: 1; }

.tool-card .tool-icon {
    width: 56px; height: 56px;
    border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    font-size: 28px;
    box-shadow: 0 8px 24px -8px rgba(0,0,0,0.6);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.tool-card .tool-icon::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.3), transparent 60%);
    pointer-events: none;
}
.tool-card:hover .tool-icon {
    transform: rotate(-6deg) scale(1.08);
}
.tool-card .tool-icon.big {
    width: 80px; height: 80px; font-size: 40px; border-radius: 20px;
}

.tool-card h3 { font-size: 17px; font-weight: 700; letter-spacing: -0.01em; line-height: 1.3; }
.tool-card p { color: var(--text-2); font-size: 13.5px; flex: 1; line-height: 1.55; }
.tool-card .tool-go {
    color: var(--card-accent);
    font-size: 13px;
    font-weight: 700;
    margin-top: 6px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.2s;
}
.tool-card:hover .tool-go { gap: 12px; }
.tool-card .tool-go .arrow { transition: transform 0.2s; }

/* Badges on tool cards */
.tool-badge {
    position: absolute;
    top: 14px; right: 14px;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 4px 10px;
    border-radius: 999px;
    backdrop-filter: blur(8px);
}
.tool-badge.live {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.5);
    color: #FCA5A5;
}
.tool-badge.live::before {
    content: "● ";
    color: var(--error);
    animation: pulse-dot 1.4s ease-in-out infinite;
}
.tool-badge.ai {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(236, 72, 153, 0.2));
    border: 1px solid rgba(168, 85, 247, 0.4);
    color: #DDD6FE;
}
.tool-badge.new {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(0, 229, 255, 0.2));
    border: 1px solid rgba(34, 197, 94, 0.5);
    color: #86EFAC;
}

.tools.filtered .category[data-filtered="true"] { display: none; }
.tools.filtered .tool-card[data-filtered="true"] { display: none; }

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state { padding: 48px 24px; text-align: center; border: 1px dashed var(--border); border-radius: 16px; }
.empty-state p { color: var(--text-2); margin: 6px 0; }
.empty-state .small { font-size: 13px; color: var(--text-3); }
.empty-state code { background: var(--bg-card); padding: 2px 8px; border-radius: 6px; font-family: 'JetBrains Mono', 'SF Mono', monospace; font-size: 12px; color: var(--accent); }

/* ============================================================
   TOOL PAGE (individual tool layout)
   ============================================================ */
.tool-page { padding: 32px 0 64px; position: relative; }
.back { color: var(--text-2); font-size: 14px; transition: color 0.15s; }
.back:hover { color: var(--accent); }
.tool-header { display: flex; align-items: center; gap: 22px; margin: 28px 0 32px; }
.tool-header h1 {
    font-size: clamp(28px, 4vw, 42px);
    letter-spacing: -0.025em;
    font-weight: 800;
    line-height: 1.1;
}
.tool-header .tagline { color: var(--text-2); margin-top: 6px; font-size: 15px; }

.tool-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 28px;
    display: flex; flex-direction: column; gap: 14px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}
.tool-form label { color: var(--text-2); font-size: 13px; font-weight: 500; }
.tool-form input[type=file] {
    background: rgba(255, 255, 255, 0.03);
    border: 1px dashed var(--border-strong);
    padding: 28px;
    border-radius: 14px;
    color: var(--text);
    width: 100%;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}
.tool-form input[type=file]:hover {
    border-color: var(--accent);
    background: rgba(0, 229, 255, 0.04);
}
.tool-form input[type=text],
.tool-form input[type=number],
.tool-form input[type=color],
.tool-form input[type=url],
.tool-form select,
.tool-form textarea {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border);
    padding: 12px 14px;
    border-radius: 10px;
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    width: 100%;
    transition: border-color 0.2s, background 0.2s;
}
.tool-form input:focus, .tool-form select:focus, .tool-form textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(0, 229, 255, 0.04);
}
.tool-form input[type=color] { height: 44px; padding: 4px; cursor: pointer; }
.tool-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.tool-form .row > div { display: flex; flex-direction: column; gap: 6px; }
.tool-form textarea { resize: vertical; min-height: 80px; }

.btn {
    display: inline-block;
    padding: 13px 22px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 14.5px;
    border: none;
    cursor: pointer;
    transition: filter 0.15s, transform 0.15s, box-shadow 0.15s;
    text-align: center;
}
.btn.primary {
    background: var(--grad-primary);
    color: #000;
    box-shadow: 0 8px 24px -10px rgba(124, 58, 237, 0.6);
}
.btn.primary:hover:not(:disabled) {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 12px 32px -10px rgba(124, 58, 237, 0.8);
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.result-card {
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.4);
    border-radius: 14px;
    padding: 18px;
    margin: 16px 0 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    backdrop-filter: blur(10px);
}
.error-card {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.45);
    border-radius: 14px;
    padding: 16px;
    margin: 16px 0 24px;
    color: #FCA5A5;
    backdrop-filter: blur(10px);
}

.tool-desc { margin-top: 36px; color: var(--text-2); font-size: 14px; line-height: 1.7; }
.tool-desc h3 { color: var(--text); font-size: 18px; margin-bottom: 10px; font-weight: 700; }
.tool-desc a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

/* ============================================================
   WHY SECTION
   ============================================================ */
.section-title {
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 32px;
}
.gradient-text {
    background: var(--grad-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.why { padding: 72px 0 64px; border-top: 1px solid var(--border); position: relative; }
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
}
.why-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 26px;
    transition: transform 0.25s, border-color 0.25s;
    backdrop-filter: blur(12px);
}
.why-card:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.why-icon {
    font-size: 32px;
    margin-bottom: 14px;
    display: inline-block;
    filter: drop-shadow(0 0 12px rgba(0, 229, 255, 0.3));
}
.why-card h4 { font-size: 17px; margin-bottom: 8px; font-weight: 700; }
.why-card p { color: var(--text-2); font-size: 14px; line-height: 1.6; }
.why-card strong { color: var(--text); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    padding: 32px 0 40px;
    border-top: 1px solid var(--border);
    color: var(--text-3);
    font-size: 13px;
    text-align: center;
}
.site-footer p { margin: 4px 0; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .hero { padding: 64px 0 40px; }
    .hero h1 { font-size: 44px; }
    .tool-header { flex-direction: column; align-items: flex-start; }
    .tool-form .row { grid-template-columns: 1fr; }
    .filters { top: 60px; }
    .site-header nav { gap: 14px; }
    .site-header nav a:not(.cta) { display: none; }
    .category-head { flex-direction: column; align-items: flex-start; gap: 6px; }
    .mesh .blob { filter: blur(80px); }
}
@media (max-width: 480px) {
    .tool-grid { grid-template-columns: 1fr; }
}

/* Reduce motion preference */
@media (prefers-reduced-motion: reduce) {
    .mesh .blob, .brand-logo, .pulse-dot, .brand-dot, .tool-badge.live::before { animation: none !important; }
    * { transition: none !important; }
}