/* ============================
   CSS VARIABLES & THEME
   ============================ */
:root {
    /* Main Palette - AZ Free Tools Orange */
    --primary-h: 30;
    --primary-s: 92%;
    --primary-l: 52%;
    --primary: #E87400;
    --primary-hover: #CC6600;
    --primary-light: #F5A623;
    --primary-glow: rgba(232, 116, 0, 0.3);
    
    --bg-color: #f8fafc;
    --card-bg: rgba(255, 255, 255, 0.85);
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border-color: rgba(226, 232, 240, 0.6);
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --radius-md: 10px;
    --radius-lg: 16px;
    --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
    
    /* System Colors (Icon Palette — kept colorful) */
    --blue: hsla(217, 91%, 60%, 1);
    --green: hsla(142, 71%, 45%, 1);
    --purple: hsla(262, 83%, 58%, 1);
    --orange: hsla(38, 92%, 50%, 1);
    --red: hsla(0, 84%, 60%, 1);
    --teal: hsla(174, 84%, 41%, 1);
    
    --glass-blur: 12px;
}

[data-theme="dark"] {
    --primary: #F5A623;
    --primary-hover: #E87400;
    --primary-light: #F5A623;
    --primary-glow: rgba(245, 166, 35, 0.25);
    --bg-color: #000000;
    --card-bg: #0d0d0d;
    --text-main: #f1f1f1;
    --text-muted: #9ca3af;
    --border-color: rgba(245, 166, 35, 0.08);
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.8);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.7);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.7);
    
    background: radial-gradient(ellipse at top center, #1a0f00 0%, #000000 70%);
    background-attachment: fixed;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    transition: background-color 0.4s ease, color 0.4s ease;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}
a:hover {
    color: var(--primary-hover);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* ============================
   HEADER & NAVIGATION
   ============================ */
.header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    transition: background-color 0.3s, border-color 0.3s;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-main);
    background: transparent !important;
}
.logo span {
    color: var(--text-main);
    letter-spacing: -0.5px;
    white-space: nowrap;
}
.logo-img {
    height: 52px; /* Premium height for custom logo */
    width: auto;
    display: block;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.logo:hover .logo-img {
    transform: scale(1.08) rotate(-1deg);
}
@media (max-width: 768px) {
    .logo-img {
        height: 40px;
    }
    .logo {
        font-size: 1.3rem;
        gap: 8px;
    }
}

.search-bar {
    display: flex;
    align-items: center;
    background-color: var(--bg-color);
    border-radius: var(--radius-md);
    padding: 0.5rem 1rem;
    flex: 1;
    max-width: 400px;
    margin: 0 2rem;
    border: 1px solid var(--border-color);
}
.search-bar input {
    border: none;
    background: transparent;
    width: 100%;
    outline: none;
    color: var(--text-main);
}
.search-bar button {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
}

.nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}
.nav-list a {
    color: var(--text-muted);
    font-weight: 500;
}
.nav-list a.active, .nav-list a:hover {
    color: var(--primary);
}

.theme-toggle, .mobile-menu-btn {
    background: none;
    border: none;
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    align-items: center;
}

.mobile-menu-btn {
    display: none;
}

/* ============================
   MAIN CONTENT & HERO
   ============================ */
.main {
    min-height: 60vh;
    padding: 3rem 1rem;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 600px;
    background-color: var(--bg-color);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

#antigravityCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.slider-content {
    position: relative;
    z-index: 2;
    padding: 2rem;
    pointer-events: none; /* Let mouse through to canvas */
}
.slider-content > * {
    pointer-events: auto; /* Re-enable for buttons/links if any */
}

.slider-content h1 {
    font-size: 3.5rem;
    font-weight: 300;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 2rem;
    line-height: 1.2;
    color: var(--text-main);
}

.slider-content p {
    font-family: 'Georgia', serif;
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
    letter-spacing: 0.05em;
    line-height: 1.8;
}

.section-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

/* ============================
   TOOLS GRID
   ============================ */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.tool-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}
.tool-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl), 0 0 20px var(--primary-glow);
    border-color: var(--primary);
}
.tool-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}
.tool-card:hover::after {
    opacity: 1;
}

.tool-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: white;
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-md);
}

.menu-icon-mini {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 8px;
    font-size: 0.9rem;
    color: white;
    box-shadow: var(--shadow-sm);
    vertical-align: middle;
}
.tool-card:hover .tool-icon {
    transform: scale(1.1) rotate(5deg);
}

.bg-blue { background: linear-gradient(135deg, var(--blue), #2563eb); }
.bg-green { background: linear-gradient(135deg, var(--green), #059669); }
.bg-purple { background: linear-gradient(135deg, var(--purple), #7c3aed); }
.bg-orange { background: linear-gradient(135deg, var(--orange), #d97706); }
.bg-red { background: linear-gradient(135deg, var(--red), #dc2626); }
.bg-teal { background: linear-gradient(135deg, var(--teal), #0d9488); }

.tool-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}
.tool-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ============================
   TOOL PAGES SPECIFIC
   ============================ */
.tool-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2rem;
}

.tool-workspace {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.tool-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}
.tool-header p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}
.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s;
}
.form-control:focus {
    border-color: var(--primary);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.2s;
}
.btn:hover {
    background-color: var(--primary-hover);
    color: white;
    box-shadow: 0 4px 15px rgba(232, 116, 0, 0.3);
}
.btn-secondary {
    background-color: var(--bg-color);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background-color: var(--border-color);
    color: var(--text-main);
}
.btn-block {
    width: 100%;
}

.result-box {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: var(--bg-color);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    display: none;
}
.result-box.active {
    display: block;
}

.tool-content-section {
    margin-top: 3rem;
}
.tool-content-section h2, .tool-content-section h3 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}
.tool-content-section p, .tool-content-section ul {
    margin-bottom: 1rem;
    color: var(--text-muted);
}
.tool-content-section ul {
    padding-left: 1.5rem;
}

.sidebar-ad {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    position: sticky;
    top: 90px;
}

/* ============================
   ADS & MONETIZATION
   ============================ */
.ad-slot {
    background-color: rgba(0,0,0,0.03);
    border: 1px dashed var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    margin: 1.5rem auto;
}
[data-theme="dark"] .ad-slot {
    background-color: rgba(255,255,255,0.03);
}

.ad-top { height: 90px; width: 100%; max-width: 728px; }
.ad-in-content { height: 250px; width: 100%; max-width: 300px; margin: 3rem auto; }
.ad-bottom { height: 90px; width: 100%; max-width: 728px; }

/* ============================
   FOOTER
   ============================ */
.footer {
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 1rem;
    margin-top: 2rem;
}
[data-theme="dark"] .footer {
    background-color: #050505;
    border-top-color: rgba(245, 166, 35, 0.08);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}
.footer-col h4 {
    margin-bottom: 1.25rem;
    font-size: 1.1rem;
    color: var(--text-main);
}
.footer-col ul {
    list-style: none;
}
.footer-col ul li {
    margin-bottom: 0.6rem;
}
.footer-col ul a {
    color: var(--text-muted);
    font-size: 0.95rem;
    text-decoration: none;
    transition: color 0.2s;
}
.footer-col ul a:hover {
    color: var(--primary);
}
.footer-col p {
    color: var(--text-muted);
    margin-top: 1rem;
    line-height: 1.6;
}
.copyright {
    text-align: center;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: 2rem;
    font-size: 0.9rem;
}
[data-theme="dark"] .copyright {
    border-top-color: rgba(245, 166, 35, 0.06);
}

/* ============================
   PAGE SPECIFIC (About, Legal)
   ============================ */
.page-header {
    margin-bottom: 2rem;
    text-align: center;
}
.page-content {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 3rem;
    box-shadow: var(--shadow-sm);
    max-width: 800px;
    margin: 0 auto;
}
.page-content h2, .page-content h3 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}
.page-content p {
    margin-bottom: 1rem;
    color: var(--text-muted);
}
.page-content ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    color: var(--text-muted);
}

.faq-item {
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.faq-question {
    padding: 1rem 1.5rem;
    background-color: var(--bg-color);
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
}
.faq-answer {
    padding: 1rem 1.5rem;
    background-color: var(--card-bg);
    display: none;
    color: var(--text-muted);
}

/* ============================
   BREADCRUMB
   ============================ */
.breadcrumb {
    display: flex;
    list-style: none;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}
.breadcrumb li {
    color: var(--text-muted);
}
.breadcrumb li:not(:last-child)::after {
    content: "/";
    margin: 0 0.5rem;
}

/* ============================
   RESPONSIVE DESIGN
   ============================ */
@media (max-width: 768px) {
    .nav-list {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--card-bg);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
    }
    .nav-list.active {
        display: flex;
    }
    .mobile-menu-btn {
        display: block;
    }
    .search-bar {
        display: none; /* Hide on small. Can add dedicated mobile search later if needed */
    }
    .tool-layout {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .sidebar-ad {
        height: 250px;
        position: static;
    }
    .page-content {
        padding: 1.5rem;
    }
    .slider-content h1 {
        font-size: 2.2rem;
    }
    .slider-content p {
        font-size: 1.1rem;
    }
}

/* ============================
   MEGA MENU
   ============================ */
.nav-item.dropdown {
    position: static;
}
.mega-menu {
    position: absolute;
    top: 70px;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: max-content;
    min-width: 800px;
    max-width: calc(100vw - 2rem);
    background-color: #ffffff; /* Solid White */
    border-bottom: 2px solid var(--primary);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
}
[data-theme="dark"] .mega-menu {
    background-color: #0d0d0d;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(232, 116, 0, 0.05);
}
.nav-item.dropdown:hover .mega-menu,
.nav-item.dropdown:focus-within .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    padding: 2rem 1rem;
}
.mega-menu-col h4 {
    margin-bottom: 1.25rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
    display: flex;
    align-items: center;
}
.mega-menu-col h4 a {
    color: inherit;
    text-decoration: none;
}
.mega-menu-col h4 a:hover {
    color: var(--primary);
}
.mega-menu-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.mega-menu-col ul li {
    margin-bottom: 0.6rem;
}
.mega-menu-col ul li a {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-decoration: none;
    transition: color 0.2s ease;
    display: block;
}
.mega-menu-col ul li a:hover {
    color: var(--primary);
    transform: translateX(3px);
}

@media (max-width: 1024px) {
    .mega-menu-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================
   ANIMATIONS & REVEAL
   ============================ */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered entrance for tool cards if needed */
.tools-grid > .tool-card:nth-child(1) { transition-delay: 0.1s; }
.tools-grid > .tool-card:nth-child(2) { transition-delay: 0.15s; }
.tools-grid > .tool-card:nth-child(3) { transition-delay: 0.2s; }
.tools-grid > .tool-card:nth-child(4) { transition-delay: 0.25s; }
.tools-grid > .tool-card:nth-child(5) { transition-delay: 0.30s; }
.tools-grid > .tool-card:nth-child(6) { transition-delay: 0.35s; }

[data-theme="dark"] .tool-card {
    background: rgba(20, 14, 5, 0.6);
    border-color: rgba(245, 166, 35, 0.06);
}

[data-theme="dark"] .header {
    background: rgba(10, 7, 2, 0.92);
    border-color: rgba(245, 166, 35, 0.08);
}
@media (max-width: 768px) {
    .nav-item.dropdown {
        position: relative;
    }
    .mega-menu {
        position: static;
        box-shadow: none;
        border-bottom: none;
        transform: none;
        background: transparent;
        display: none;
        opacity: 1;
        visibility: visible;
        border-left: 2px solid var(--border-color);
        margin-left: 10px;
        padding-left: 10px;
    }
    .nav-item.dropdown:focus-within .mega-menu,
    .nav-item.dropdown:hover .mega-menu {
        display: block;
    }
    .mega-menu-grid {
        grid-template-columns: 1fr;
        padding: 1rem 0;
        gap: 1.5rem;
    }
}

/* ============================
   LANGUAGE SWITCHER
   ============================ */
.language-switcher {
    margin: 0 1rem;
    display: flex;
    align-items: center;
}

#languageSelect {
    background-color: var(--card-bg);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.4rem 0.8rem;
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
    transition: all 0.2s;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    padding-right: 28px;
}

#languageSelect:hover {
    border-color: var(--primary);
}

[data-theme="dark"] #languageSelect {
    background-color: #1a1a1a;
}