:root{
    --header-height: 90px; /* fallback default; JS مقدار دقیق را هنگام بارگذاری تنظیم می‌کند */
    /* color variables for dark theme (defaults) */
    --bg-main: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #16213e 100%);
    /* stronger text for better contrast in dark theme */
    --text-main: #ffffff;
    --muted: #cbd5e1;
    /* slightly darker and more opaque cards to increase legibility */
    --card-bg: rgba(15, 23, 35, 0.82);
    --card-border: rgba(59, 130, 246, 0.14);
    --accent-500: #3b82f6;
    --accent-600: #1d4ed8;
    --accent-400: #60a5fa;
}

/* Accessibility utility */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* Tools filter */
.tools-filter {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

#tool-category-select {
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid rgba(59, 130, 246, 0.12);
    background: var(--card-bg);
    color: var(--text-main);
    font-size: 1rem;
    outline: none;
    min-width: 220px;
}

#tool-category-select:focus {
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.08);
    border-color: var(--accent-500);
}

/* فونت جدید XB-Titre */
@font-face {
    font-family: 'XB-Titre';
    src: url('../fonts/XB-Titre.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* Shabnam Bold for tool titles */
@font-face {
    font-family: 'Shabnam';
    src: url('../fonts/Shabnam-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* Light theme overrides */
html.light-theme {
    --bg-main: linear-gradient(180deg, #f7f7fb 0%, #ffffff 100%);
    --text-main: #0f172a;
    --muted: #475569;
    --card-bg: rgba(255, 255, 255, 0.9);
    --card-border: rgba(15, 23, 42, 0.06);
    --accent-500: #2563eb;
    --accent-600: #1e40af;
    --accent-400: #1e90ff;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Vazirmatn', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    direction: rtl;
    text-align: right;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

/* header color in light theme */
html.light-theme .header {
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    color: var(--text-main);
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Navigation */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-main);
    font-weight: 700;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    object-fit: contain;
    background: transparent;
}

.logo-text {
    color: var(--text-main);
    background: none;
    -webkit-text-fill-color: unset;
}

html.light-theme .logo-text {
    background: linear-gradient(135deg, var(--accent-500), #8b5cf6);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Theme toggle button */
.theme-toggle {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-main);
    padding: 8px;
    border-radius: 20px;
    font-size: 1rem;
    cursor: pointer;
    margin-left: 12px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    width: 60px;
    height: 30px;
    transition: all 0.3s ease;
}

.theme-icon {
    position: absolute;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
    left: 3px;
}

html.light-theme .theme-toggle {
    background: rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0,0,0,0.1);
}

html.light-theme .theme-icon {
    transform: translateX(30px);
}

/* Navigation menu */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    padding: 10px 15px;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--accent-500);
    background: rgba(59, 130, 246, 0.06);
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 12px;
    min-width: 280px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    list-style: none;
    z-index: 1001;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: block;
    color: #cbd5e1;
    text-decoration: none;
    padding: 12px 20px;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.dropdown-link:hover {
    color: var(--accent-500);
    background: rgba(59, 130, 246, 0.06);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-main);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* reduce overlay intensity in dark theme to avoid halo around text */
    background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.02) 0%, transparent 70%);
    pointer-events: none;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    /* avoid bright gradient clip in dark theme to prevent halo/glow effect */
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
    -webkit-text-fill-color: unset;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

/* Ensure headings use the local XB-Titre font */
.hero-title,
.section-title {
    font-family: 'XB-Titre', 'Vazirmatn', sans-serif;
    font-weight: 700;
}

/* apply XB-Titre to tool and service headings for consistent titles */
.tool-name,
.service-title {
    font-family: 'XB-Titre', 'Vazirmatn', sans-serif;
    font-weight: 600;
}

/* Dark-mode: add a clean black outline for large headings (white fill + black stroke)
   Use -webkit-text-stroke for WebKit browsers and layered text-shadow as fallback
   The rules are scoped to html:not(.light-theme) so they only apply in dark mode. */
/* Remove black outline; keep a tasteful letter-spacing for large headings */
.hero-title,
.section-title,
.tool-name,
.service-title {
    letter-spacing: 0.6px; /* slight spacing between letters for a cleaner look */
}

/* Ensure headings remain white in dark mode (inherits --text-main)
   and unaffected by stroke/shadow in light mode */
html.light-theme .hero-title,
html.light-theme .section-title,
html.light-theme .tool-name,
html.light-theme .service-title {
    letter-spacing: 0.2px; /* reduce spacing in light theme if desired */
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--muted);
    font-weight: 400;
    max-width: 700px;
    margin: 0 auto 40px;
    position: relative;
    z-index: 1;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* Make hero buttons visually consistent and orderly */
.hero-buttons .btn {
    min-width: 180px;            /* ensure consistent button width */
    padding: 14px 28px;         /* comfortable touch target */
    border-radius: 12px;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.2px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* On small screens stack buttons full-width for better layout */
@media (max-width: 768px) {
    .hero-buttons {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 420px;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 15px 30px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.25);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-500);
    border: 2px solid var(--accent-500);
}

.btn-secondary:hover {
    background: var(--accent-500);
    color: white;
    transform: translateY(-2px);
}

/* Main Content */
/* Default padding-top uses CSS variable; JS will set the exact value at runtime */
.main {
    padding-top: var(--header-height);
}

/* Section Styles */
.section {
    padding: 80px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 15px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    right: 50%;
    transform: translateX(50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, var(--accent-500), #8b5cf6);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

/* Tool Card */
.tool-card {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 35px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.03) 0%, rgba(139, 92, 246, 0.03) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.tool-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: rgba(59, 130, 246, 0.2);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.tool-card:hover::before {
    opacity: 1;
}

.tool-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 25px;
    position: relative;
}

.icon-placeholder {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-500), #8b5cf6);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
}

.tool-name {
    font-family: 'Shabnam', 'XB-Titre', 'Vazirmatn', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 15px;
    line-height: 1.3;
}

.tool-description {
    font-size: 1rem;
    color: var(--muted);
    margin-bottom: 25px;
    line-height: 1.6;
}

.tool-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.tag {
    background: rgba(59, 130, 246, 0.12);
    color: var(--accent-400);
    padding: 8px 15px;
    border-radius: 25px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid rgba(59, 130, 246, 0.12);
    transition: all 0.2s ease;
}

.tag:hover {
    background: rgba(59, 130, 246, 0.18);
    border-color: rgba(59, 130, 246, 0.2);
}

.tool-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
    color: white;
    text-decoration: none;
    padding: 14px 25px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tool-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.2);
}

.link-arrow {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.tool-link:hover .link-arrow {
    transform: translateX(-5px);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.service-card {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 40px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.03) 0%, rgba(139, 92, 246, 0.03) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(59, 130, 246, 0.18);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
}

.service-icon .icon-placeholder {
    width: 80px;
    height: 80px;
    font-size: 32px;
}

.service-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 20px;
}

.service-description {
    font-size: 1.1rem;
    color: var(--muted);
    margin-bottom: 25px;
    line-height: 1.6;
}

.service-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: right;
}

.service-features li {
    color: var(--text-main);
    padding: 8px 0;
    position: relative;
    padding-right: 25px;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    right: 0;
    color: #10b981;
    font-weight: bold;
}

/* Social Media Section */
.social-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 30px;
    text-decoration: none;
    color: var(--text-main);
    transition: all 0.3s ease;
}

.social-link:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.18);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.social-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-500), #8b5cf6);
    border-radius: 16px;
    color: white;
}

.social-icon .icon-placeholder {
    display: none; /* Hide the old placeholder */
}

.social-info h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-main);
}

.social-info p {
    color: var(--muted);
    font-size: 1rem;
}

/* Contact Section */
.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-info h3 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 20px;
}

.contact-info p {
    font-size: 1.1rem;
    color: var(--muted);
    margin-bottom: 30px;
    line-height: 1.6;
}

.contact-bot-link {
    display: inline-flex;
    align-items: center;
    gap: 20px;
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 2px solid var(--card-border);
    border-radius: 20px;
    padding: 25px 35px;
    text-decoration: none;
    color: var(--text-main);
    transition: all 0.3s ease;
    max-width: 400px;
}

.contact-bot-link:hover {
    transform: translateY(-5px);
    border-color: rgba(59, 130, 246, 0.18);
    box-shadow: 0 15px 30px rgba(59, 130, 246, 0.08);
}

.bot-icon {
    width: 50px;
    height: 50px;
}

.bot-icon .icon-placeholder {
    width: 50px;
    height: 50px;
    font-size: 20px;
}

.bot-info h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-main);
}

.bot-info p {
    color: var(--accent-500);
    font-size: 1rem;
}

/* Footer */
.footer {
    background: rgba(10, 10, 15, 0.95);
    border-top: 1px solid rgba(59, 130, 246, 0.1);
    padding: 60px 0 30px;
    margin-top: 80px;
}

html.light-theme .footer {
    background: transparent;
    color: var(--text-main);
    border-top: 1px solid rgba(15, 23, 42, 0.06);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    align-items: center;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-logo-img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    background: none;
    -webkit-text-fill-color: unset;
}

html.light-theme .footer-logo-text {
    background: linear-gradient(135deg, var(--accent-500), #8b5cf6);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-links {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-500);
}

.footer-social {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(59, 130, 246, 0.06);
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: 12px;
    text-decoration: none;
    font-size: 20px;
    transition: all 0.3s ease;
    color: var(--muted);
}

.footer-social a:hover {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.18);
    transform: translateY(-2px);
    color: var(--accent-400);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(59, 130, 246, 0.1);
}

.footer-bottom p {
    color: #64748b;
    font-size: 0.95rem;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    z-index: 9999;
    backdrop-filter: blur(5px);
    padding: 20px;
    overflow-y: auto;
}

html.light-theme .modal {
    background: rgba(15, 23, 42, 0.75);
}

.modal-content {
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--card-border);
    max-width: 600px;
    margin: 50px auto;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    position: relative;
    text-align: right;
    direction: rtl;
}

html.light-theme .modal-content {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.1);
    border: 1px solid rgba(15, 23, 42, 0.1);
}

.modal-close {
    position: absolute;
    top: 15px;
    left: 15px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-main);
    padding: 5px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s;
}

.modal-close:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin: 20px 0;
}

.modal-tool-button {
    background: linear-gradient(135deg, var(--accent-500), var(--accent-600));
    color: white;
    text-decoration: none;
    padding: 15px 25px;
    border-radius: 12px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-family: 'Vazirmatn', sans-serif;
    font-size: 1rem;
}

.modal-tool-button.secondary {
    background: transparent;
    border: 2px solid var(--accent-500);
    color: var(--accent-500);
}

.modal-tool-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);
}

.modal-tool-button.secondary:hover {
    background: var(--accent-500);
    color: white;
}

.modal-video-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 20px auto;
}

.modal-video {
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.modal h2 {
    color: var(--text-main);
    margin-bottom: 20px;
    font-size: 1.5rem;
    font-weight: 600;
}

.modal p {
    color: var(--text-main);
    opacity: 0.85;
    line-height: 1.8;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

html.light-theme .modal p {
    color: var(--text-main);
    opacity: 0.9;
}

/* Tutorial Section */
.tutorial-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(10, 10, 15, 0.9) 100%);
    position: relative;
    overflow: hidden;
}

.tutorial-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(10, 10, 15, 0.7) 0%, transparent 70%);
    pointer-events: none;
}

.tutorial-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.tutorial-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    right: 50%;
    transform: translateX(50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, var(--accent-500), #8b5cf6);
    border-radius: 2px;
}

.tutorial-description {
    font-size: 1.1rem;
    color: var(--muted);
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.tutorial-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* dubbing section */
.dubbing-sections {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 20px;
}

.dubbing-section {
    background: rgba(30, 41, 59, 0.4);
    border: 1px solid var(--card-border);
    border-radius: 15px;
    padding: 20px;
}

html.light-theme .dubbing-section {
    background: rgba(255, 255, 255, 0.6);
}

.dubbing-section h3 {
    color: var(--text-main);
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.dubbing-section p {
    color: var(--muted);
    margin-bottom: 15px;
    font-size: 1rem;
}

.dubbing-section .modal-actions {
    margin: 15px 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .tools-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 25px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 100%;
        right: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 50px;
        transition: right 0.3s ease;
        border-top: 1px solid rgba(59, 130, 246, 0.2);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-item {
        width: 100%;
        text-align: center;
    }

    .nav-link {
        display: block;
        width: 100%;
        padding: 15px 20px;
        font-size: 1.1rem;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: rgba(59, 130, 246, 0.06);
        border: none;
        border-radius: 0;
        box-shadow: none;
        margin-top: 10px;
    }

    .hero-section {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .tools-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .tool-card {
        padding: 25px;
    }

    .social-links {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .tool-card {
        padding: 20px;
    }

    .tool-name {
        font-size: 1.4rem;
    }

    .service-card {
        padding: 30px 20px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }
}

/* Animation Classes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-slide-in-right {
    animation: slideInRight 0.6s ease-out forwards;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #1e293b;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--accent-500), #8b5cf6);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--accent-600), #7c3aed);
}