/* ===== ریست و متغیرهای اصلی ===== */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --accent: #10b981;
    --warning: #f59e0b;
    
    --bg: #0a0e1a;
    --bg-elevated: #131826;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    --gradient: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
    --gradient-2: linear-gradient(135deg, #10b981 0%, #6366f1 100%);
    --gradient-3: linear-gradient(135deg, #f59e0b 0%, #ec4899 100%);
    --gradient-text: linear-gradient(135deg, #6366f1 0%, #ec4899 50%, #f59e0b 100%);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    --radius-sm: 8px;
    --radius: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
}

[data-theme="light"] {
    --bg: #fafafa;
    --bg-elevated: #ffffff;
    --bg-card: rgba(0, 0, 0, 0.02);
    --bg-card-hover: rgba(0, 0, 0, 0.04);
    --glass: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.08);
    
    --text: #0a0e1a;
    --text-muted: #475569;
    --text-dim: #94a3b8;
    
    --border: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.15);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
}

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

*::selection {
    background: var(--primary);
    color: white;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: 'Vazirmatn', 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    transition: var(--transition);
    min-height: 100vh;
}

body[data-dir="rtl"] {
    direction: rtl;
}

body[data-dir="ltr"] {
    direction: ltr;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }

.gradient-text {
    background: var(--gradient-text);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.highlight {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== کرسر سفارشی ===== */
.custom-cursor,
.custom-cursor-follower {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
}

.custom-cursor {
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: transform 0.1s;
}

.custom-cursor-follower {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.2s ease-out;
}

@media (max-width: 768px) {
    .custom-cursor, .custom-cursor-follower { display: none; }
}

/* ===== لودر ===== */
#loader {
    position: fixed;
    inset: 0;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.6s, visibility 0.6s;
}

#loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
}

.loader-logo-wrapper {
    width: 120px;
    height: 120px;
    margin: 0 auto 30px;
    position: relative;
}

.loader-logo {
    width: 100%;
    height: 100%;
    animation: pulse-glow 2s ease-in-out infinite;
}

.loader-circle {
    stroke-dasharray: 283;
    stroke-dashoffset: 283;
    animation: loader-draw 1.5s ease-out forwards infinite;
}

@keyframes loader-draw {
    0% { stroke-dashoffset: 283; }
    50% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -283; }
}

@keyframes pulse-glow {
    0%, 100% { filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.5)); }
    50% { filter: drop-shadow(0 0 30px rgba(236, 72, 153, 0.8)); }
}

.loader-text {
    margin-bottom: 25px;
}

.loader-name {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.loader-alias {
    display: block;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 5px;
    font-family: 'JetBrains Mono', monospace;
}

.loader-progress {
    width: 200px;
    height: 3px;
    background: var(--border);
    border-radius: 10px;
    margin: 0 auto;
    overflow: hidden;
}

.loader-progress-bar {
    height: 100%;
    background: var(--gradient);
    border-radius: 10px;
    animation: loader-progress 2s ease-out forwards;
}

@keyframes loader-progress {
    0% { width: 0; }
    100% { width: 100%; }
}

/* ===== پارتیکل ===== */
#particles {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.5;
}

/* ===== نوار پیشرفت اسکرول ===== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--gradient);
    z-index: 1001;
    width: 0%;
    transition: width 0.1s;
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

/* ===== ناوبری ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(10, 14, 26, 0.7);
    border-bottom: 1px solid transparent;
}

[data-theme="light"] .navbar {
    background: rgba(250, 250, 250, 0.8);
}

.navbar.scrolled {
    padding: 12px 0;
    border-bottom-color: var(--border);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.3rem;
    font-weight: 800;
    z-index: 2;
}

.logo-icon {
    width: 42px;
    height: 42px;
    display: flex;
    transition: var(--transition);
}

.logo:hover .logo-icon {
    transform: rotate(10deg) scale(1.05);
}

.logo-text {
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    gap: 8px;
    background: var(--glass);
    backdrop-filter: blur(20px);
    padding: 6px;
    border-radius: 100px;
    border: 1px solid var(--glass-border);
}

.nav-menu li { position: relative; }

.nav-menu a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 100px;
    transition: var(--transition);
}

.nav-menu a i {
    font-size: 0.85rem;
}

.nav-menu a:hover {
    color: var(--text);
}

.nav-menu a.active {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.nav-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* ===== سوییچر زبان ===== */
.lang-switcher {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    color: var(--text);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.lang-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
}

.lang-flag {
    font-size: 1.1rem;
}

.lang-name {
    display: inline;
}

.lang-btn i {
    font-size: 0.7rem;
    transition: var(--transition);
}

.lang-switcher.open .lang-btn i {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 180px;
    background: var(--bg-elevated);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 100;
}

body[data-dir="rtl"] .lang-dropdown {
    right: auto;
    left: 0;
}

.lang-switcher.open .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--text);
    transition: var(--transition);
    font-size: 0.9rem;
}

.lang-option:hover {
    background: var(--bg-card-hover);
}

.lang-option.active {
    background: var(--gradient);
    color: white;
}

.lang-option i {
    margin-left: auto;
    font-size: 0.8rem;
}

body[data-dir="rtl"] .lang-option i {
    margin-left: 0;
    margin-right: auto;
}

/* ===== دکمه تم و منو ===== */
.theme-toggle,
.menu-toggle {
    width: 42px;
    height: 42px;
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    background: var(--glass);
    backdrop-filter: blur(10px);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 2;
}

.theme-toggle:hover {
    background: var(--gradient);
    color: white;
    border-color: transparent;
    transform: rotate(20deg);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 12px;
}

.menu-toggle span {
    width: 18px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    opacity: 0.3;
    z-index: -1;
}

.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15), transparent 70%);
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    filter: blur(60px);
    z-index: -1;
    animation: float-glow 8s ease-in-out infinite;
}

@keyframes float-glow {
    0%, 100% { transform: translate(-50%, 0) scale(1); }
    50% { transform: translate(-50%, -30px) scale(1.1); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 25px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    position: relative;
}

.pulse-dot::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(3); opacity: 0; }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    line-height: 1.1;
    font-weight: 900;
    letter-spacing: -2px;
    margin-bottom: 20px;
}

.title-line {
    display: block;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    color: var(--text-muted);
    margin-bottom: 25px;
    font-weight: 500;
    font-family: 'JetBrains Mono', monospace;
}

.subtitle-static { color: var(--text); }

.typewriter {
    color: var(--primary);
    font-weight: 600;
}

.cursor {
    color: var(--primary);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 35px;
    max-width: 600px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 28px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
    font-family: inherit;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.5);
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #ec4899 0%, #6366f1 100%);
    opacity: 0;
    transition: var(--transition);
}

.btn-primary:hover::before { opacity: 1; }

.btn-primary > * { position: relative; z-index: 1; }

.btn-glass {
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    color: var(--text);
}

.btn-glass:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    transform: translateY(-3px);
}

.btn-glow {
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.4);
}

.btn-block { width: 100%; justify-content: center; }

.btn-lg { padding: 18px 40px; font-size: 1.05rem; }

/* Stats */
.hero-stats {
    display: flex;
    gap: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--border);
    align-items: center;
}

.stat {
    display: flex;
    align-items: baseline;
    gap: 4px;
    flex-wrap: wrap;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: 'JetBrains Mono', monospace;
    line-height: 1;
}

.stat-plus {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat p {
    width: 100%;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 5px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* Hero Visual - Avatar */
.avatar-container {
    position: relative;
    width: 420px;
    height: 420px;
    margin: 0 auto;
}

.avatar-ring-outer,
.avatar-ring-inner {
    position: absolute;
    border-radius: 50%;
    border: 1px dashed var(--primary);
    opacity: 0.3;
}

.avatar-ring-outer {
    inset: -30px;
    animation: rotate 30s linear infinite;
}

.avatar-ring-inner {
    inset: -15px;
    border-style: dotted;
    border-color: var(--secondary);
    animation: rotate 20s linear infinite reverse;
}

@keyframes rotate {
    to { transform: rotate(360deg); }
}

.avatar {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 20px 80px rgba(99, 102, 241, 0.4);
}

.avatar::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    background: var(--gradient);
    filter: blur(20px);
    opacity: 0.6;
    z-index: -1;
}

.avatar-image {
    font-size: 12rem;
    font-weight: 900;
    color: white;
    text-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
    font-family: 'Inter', sans-serif;
}

.avatar-status {
    position: absolute;
    bottom: 30px;
    right: 30px;
    width: 25px;
    height: 25px;
    background: var(--accent);
    border: 4px solid var(--bg);
    border-radius: 50%;
    animation: pulse-ring 2s infinite;
}

body[data-dir="rtl"] .avatar-status {
    right: auto;
    left: 30px;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-15px) rotate(2deg); }
    66% { transform: translateY(-8px) rotate(-2deg); }
}

/* Tech Orbit */
.tech-orbit {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.tech-icon {
    position: absolute;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--bg-elevated);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--text);
    box-shadow: var(--shadow);
    animation: orbit 20s linear infinite;
    transition: var(--transition);
    pointer-events: auto;
}

.tech-icon:hover {
    transform: scale(1.2);
    border-color: var(--primary);
    color: var(--primary);
}

@keyframes orbit {
    from { transform: rotate(0deg) translateX(240px) rotate(0deg); }
    to { transform: rotate(360deg) translateX(240px) rotate(-360deg); }
}

.tech-icon[style*="--i:1"] { animation-delay: 0s; top: 50%; left: 50%; margin: -28px; color: #777bb3; }
.tech-icon[style*="--i:2"] { animation-delay: -3.33s; top: 50%; left: 50%; margin: -28px; color: #3776ab; }
.tech-icon[style*="--i:3"] { animation-delay: -6.66s; top: 50%; left: 50%; margin: -28px; color: #f7df1e; }
.tech-icon[style*="--i:4"] { animation-delay: -10s; top: 50%; left: 50%; margin: -28px; color: #61dafb; }
.tech-icon[style*="--i:5"] { animation-delay: -13.33s; top: 50%; left: 50%; margin: -28px; color: #42b883; }
.tech-icon[style*="--i:6"] { animation-delay: -16.66s; top: 50%; left: 50%; margin: -28px; color: #68a063; }

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 14px;
    position: relative;
}

.wheel {
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 2px;
    animation: scroll-wheel 1.5s infinite;
}

@keyframes scroll-wheel {
    0% { opacity: 1; transform: translate(-50%, 0); }
    100% { opacity: 0; transform: translate(-50%, 15px); }
}

/* ===== Section Commons ===== */
section {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
    position: relative;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 15px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 15px;
    letter-spacing: -1px;
    position: relative;
    display: inline-block;
}

.title-accent {
    display: block;
    width: 60px;
    height: 4px;
    background: var(--gradient);
    border-radius: 10px;
    margin: 15px auto 0;
}

.section-desc {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.05rem;
}

/* ===== Why Section ===== */
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

.why-card {
    position: relative;
    padding: 40px 30px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: var(--transition-slow);
    overflow: hidden;
}

.why-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s;
}

.why-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(99, 102, 241, 0.15);
    background: var(--bg-card-hover);
}

.why-card:hover::before { transform: scaleX(1); }

.why-icon {
    width: 70px;
    height: 70px;
    border-radius: 20px;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    margin-bottom: 25px;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
    transition: var(--transition);
}

.why-card:hover .why-icon {
    transform: rotate(-10deg) scale(1.1);
}

.why-number {
    position: absolute;
    top: 25px;
    right: 25px;
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--border);
    font-family: 'JetBrains Mono', monospace;
    line-height: 1;
    transition: var(--transition);
}

body[data-dir="rtl"] .why-number {
    right: auto;
    left: 25px;
}

.why-card:hover .why-number {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.why-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    font-weight: 700;
}

.why-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== Mini CTA ===== */
.mini-cta {
    padding: 60px 0;
}

.cta-card {
    background: var(--gradient);
    padding: 50px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    color: white;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.3);
}

.cta-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1), transparent 50%);
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 1.8rem;
    margin-bottom: 8px;
    font-weight: 800;
}

.cta-content p {
    opacity: 0.95;
    font-size: 1rem;
}

.cta-card .btn {
    background: white;
    color: var(--primary);
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

.cta-card .btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

/* ===== Page Hero ===== */
.page-hero {
    padding: 150px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 30% 40%, rgba(99, 102, 241, 0.15), transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(236, 72, 153, 0.15), transparent 50%);
    z-index: -1;
}

.breadcrumbs {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 100px;
    font-size: 0.85rem;
    margin-bottom: 25px;
}

.breadcrumbs a {
    color: var(--text-muted);
}

.breadcrumbs a:hover {
    color: var(--primary);
}

.breadcrumbs i {
    font-size: 0.7rem;
    color: var(--text-dim);
}

.page-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    margin-bottom: 15px;
    letter-spacing: -2px;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 1.15rem;
}

/* ===== About ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 80px;
    align-items: center;
}

.about-card-3d {
    position: relative;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 50px 30px;
    text-align: center;
    transform-style: preserve-3d;
    transition: var(--transition);
    overflow: hidden;
}

.card-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient);
    opacity: 0.05;
}

.about-card-3d:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.about-avatar-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 25px;
}

.about-avatar {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    font-weight: 900;
    color: white;
    font-family: 'Inter', sans-serif;
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.4);
    position: relative;
}

.avatar-badge {
    position: absolute;
    bottom: 5px;
    right: 5px;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    border: 4px solid var(--bg-elevated);
}

body[data-dir="rtl"] .avatar-badge {
    right: auto;
    left: 5px;
}

.about-role {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-handle {
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.95rem;
}

.content-header {
    margin-bottom: 25px;
}

.content-header h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-top: 10px;
    letter-spacing: -1px;
}

.lead-text {
    font-size: 1.15rem;
    color: var(--text);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.8;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 30px;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 18px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.info-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    background: var(--bg-card-hover);
}

.info-icon {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    background: var(--gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.info-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    font-weight: 700;
    font-size: 0.95rem;
}

/* ===== Hobbies ===== */
.hobbies-section {
    background: var(--bg-elevated);
}

.hobbies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.hobby-card {
    position: relative;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    transition: var(--transition);
    overflow: hidden;
}

.hobby-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.hobby-visual {
    position: relative;
    display: inline-block;
    margin-bottom: 25px;
}

.hobby-emoji {
    font-size: 4rem;
    display: inline-block;
    transition: var(--transition);
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
}

.hobby-card:hover .hobby-emoji {
    transform: scale(1.15) rotate(-8deg);
}

.hobby-glow {
    position: absolute;
    inset: -20px;
    border-radius: 50%;
    filter: blur(30px);
    opacity: 0.3;
    transition: var(--transition);
    z-index: -1;
}

.hobby-football .hobby-glow { background: #10b981; }
.hobby-gym .hobby-glow { background: #f59e0b; }
.hobby-boxing .hobby-glow { background: #ef4444; }

.hobby-card:hover .hobby-glow { opacity: 0.6; }

.hobby-content h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    font-weight: 700;
}

.hobby-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.hobby-footer {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    padding: 4px 12px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

/* ===== Timeline ===== */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, transparent, var(--primary), var(--secondary), transparent);
    transform: translateX(-50%);
}

body[data-dir="rtl"] .timeline::before {
    left: 50%;
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 30px 50px;
}

.timeline-item:nth-child(odd) {
    margin-left: auto;
}

.timeline-marker {
    position: absolute;
    top: 35px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 1.2rem;
    box-shadow: 0 0 0 8px var(--bg), 0 0 30px rgba(99, 102, 241, 0.5);
    z-index: 2;
}

.timeline-item:nth-child(odd) .timeline-marker {
    left: -25px;
}

.timeline-item:nth-child(even) .timeline-marker {
    right: -25px;
}

body[data-dir="rtl"] .timeline-item:nth-child(odd) .timeline-marker {
    left: auto;
    right: -25px;
}

body[data-dir="rtl"] .timeline-item:nth-child(even) .timeline-marker {
    right: auto;
    left: -25px;
}

.timeline-content {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    padding: 30px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.timeline-date {
    display: inline-block;
    padding: 5px 14px;
    background: var(--gradient);
    color: white;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.timeline-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== Skills ===== */
.skills-category {
    margin-bottom: 80px;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border);
}

.category-icon {
    width: 60px;
    height: 60px;
    border-radius: 18px;
    background: var(--gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
    flex-shrink: 0;
}

.category-header h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 5px;
}

.category-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-family: 'JetBrains Mono', monospace;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.skill-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    padding: 25px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.skill-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(99, 102, 241, 0.05));
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.skill-card:hover::after { opacity: 1; }

.skill-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 4px 10px;
    background: var(--accent);
    color: white;
    font-size: 0.7rem;
    border-radius: 100px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
    z-index: 2;
}

body[data-dir="rtl"] .skill-badge {
    right: auto;
    left: 15px;
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.skill-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--skill-color, var(--primary));
    transition: var(--transition);
    flex-shrink: 0;
}

.skill-card:hover .skill-icon {
    background: var(--skill-color);
    color: white;
    transform: rotate(-10deg) scale(1.1);
}

.skill-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    flex: 1;
}

.skill-percent {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

.skill-bar {
    height: 8px;
    background: var(--border);
    border-radius: 100px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--skill-color), var(--primary));
    border-radius: 100px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.skill-progress::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.skill-card.visible .skill-progress {
    width: var(--target-width);
}

/* ===== Tools ===== */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 15px;
}

.tool-item {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    padding: 25px 15px;
    border-radius: var(--radius);
    text-align: center;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.tool-item:hover {
    transform: translateY(-5px) scale(1.02);
    border-color: var(--primary);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow);
}

.tool-item i {
    font-size: 2.5rem;
    margin-bottom: 12px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition);
}

.tool-item:hover i {
    transform: scale(1.1);
}

.tool-item span {
    font-weight: 600;
    font-size: 0.95rem;
}

/* ===== Contact ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 50px;
    align-items: start;
}

.contact-info h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    font-weight: 800;
}

.contact-desc {
    color: var(--text-muted);
    margin-bottom: 30px;
    line-height: 1.8;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 30px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 18px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.contact-method::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient);
    transform: scaleY(0);
    transition: transform 0.3s;
}

body[data-dir="rtl"] .contact-method::before {
    left: auto;
    right: 0;
}

.contact-method:hover {
    transform: translateX(5px);
    border-color: var(--primary);
    background: var(--bg-card-hover);
}

body[data-dir="rtl"] .contact-method:hover {
    transform: translateX(-5px);
}

.contact-method:hover::before {
    transform: scaleY(1);
}

.method-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: white;
    flex-shrink: 0;
    transition: var(--transition);
}

.method-icon.telegram { background: linear-gradient(135deg, #0088cc, #229ED9); }
.method-icon.github { background: linear-gradient(135deg, #24292e, #444d56); }
.method-icon.twitter { background: linear-gradient(135deg, #1da1f2, #0d8ecf); }

.contact-method:hover .method-icon {
    transform: scale(1.1) rotate(-5deg);
}

.method-details { flex: 1; }

.method-details strong {
    display: block;
    margin-bottom: 2px;
    font-size: 1rem;
}

.method-details span {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-family: 'JetBrains Mono', monospace;
}

.method-arrow {
    color: var(--text-dim);
    transition: var(--transition);
}

.contact-method:hover .method-arrow {
    color: var(--primary);
    transform: translateX(-5px);
}

body[data-dir="rtl"] .contact-method:hover .method-arrow {
    transform: translateX(5px);
}

.contact-extra {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.extra-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 16px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.extra-icon {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.extra-item strong {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 3px;
}

.extra-item p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ===== Form ===== */
.contact-form-wrapper {
    background: var(--bg-elevated);
    backdrop-filter: blur(20px);
    padding: 40px;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.contact-form-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text);
    font-size: 0.9rem;
}

.form-group label i {
    margin-right: 6px;
    color: var(--primary);
}

body[data-dir="rtl"] .form-group label i {
    margin-right: 0;
    margin-left: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--bg-card-hover);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
    font-family: inherit;
}

.alert {
    padding: 16px 20px;
    border-radius: var(--radius);
    margin-bottom: 25px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slide-down 0.4s;
}

@keyframes slide-down {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.alert i { font-size: 1.3rem; }

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-elevated);
    padding: 80px 0 25px;
    position: relative;
    border-top: 1px solid var(--border);
    overflow: hidden;
}

.footer-wave {
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    color: var(--bg-elevated);
    line-height: 0;
    transform: translateY(-99%);
}

.footer-wave svg {
    width: 100%;
    height: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    font-size: 1.4rem;
    font-weight: 800;
}

.footer-col h4 {
    font-size: 1rem;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
}

.footer-col p {
    color: var(--text-muted);
    line-height: 1.8;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul a {
    color: var(--text-muted);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-col ul a::before {
    content: '';
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: width 0.3s;
}

.footer-col ul a:hover {
    color: var(--text);
}

.footer-col ul a:hover::before {
    width: 15px;
}

body[data-dir="rtl"] .footer-col ul a::before {
    order: 1;
}

.social-links {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.social-link {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-muted);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: var(--transition);
}

.social-link.telegram::before { background: linear-gradient(135deg, #0088cc, #229ED9); }
.social-link.github::before { background: linear-gradient(135deg, #24292e, #444d56); }
.social-link.twitter::before { background: linear-gradient(135deg, #1da1f2, #0d8ecf); }

.social-link:hover::before { opacity: 1; }

.social-link:hover {
    color: white;
    border-color: transparent;
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.3);
}

.social-link i { position: relative; z-index: 1; }

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-bottom i.fa-heart {
    color: #ef4444;
    animation: heart-beat 1.5s infinite;
}

@keyframes heart-beat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

body[data-dir="rtl"] .back-to-top {
    right: auto;
    left: 30px;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.6);
}

/* ===== Reveal Animations ===== */
.reveal,
.reveal-left,
.reveal-right {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }

body[data-dir="rtl"] .reveal-left { transform: translateX(40px); }
body[data-dir="rtl"] .reveal-right { transform: translateX(-40px); }

.reveal.visible,
.reveal-left.visible,
.reveal-right.visible {
    opacity: 1;
    transform: translate(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero-content,
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .avatar-container {
        width: 320px;
        height: 320px;
    }
    
    .avatar-image { font-size: 9rem; }
    
    .tech-icon { width: 48px; height: 48px; font-size: 1.3rem; }
    .tech-icon[style*="--i:"] { margin: -24px; }
    
    @keyframes orbit {
        from { transform: rotate(0deg) translateX(190px) rotate(0deg); }
        to { transform: rotate(360deg) translateX(190px) rotate(-360deg); }
    }
    
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 20px;
        right: 20px;
        flex-direction: column;
        background: var(--bg-elevated);
        backdrop-filter: blur(20px);
        padding: 20px;
        border-radius: var(--radius-lg);
        border: 1px solid var(--border);
        box-shadow: var(--shadow-lg);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: var(--transition);
        gap: 5px;
    }
    
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav-menu a { width: 100%; justify-content: center; }
    
    .menu-toggle { display: flex; }
    .lang-name { display: none; }
    .lang-btn { padding: 8px 12px; }
    
    .hero { padding: 100px 0 50px; }
    section { padding: 70px 0; }
    
    .hero-title { font-size: 2.5rem; letter-spacing: -1px; }
    .hero-stats { flex-wrap: wrap; gap: 20px; }
    .stat-divider { display: none; }
    .stat-number { font-size: 2rem; }
    
    .avatar-container { width: 260px; height: 260px; }
    .avatar-image { font-size: 7rem; }
    .tech-icon { width: 40px; height: 40px; font-size: 1.1rem; }
    .tech-icon[style*="--i:"] { margin: -20px; }
    
    @keyframes orbit {
        from { transform: rotate(0deg) translateX(115px) rotate(0deg); }
        to { transform: rotate(360deg) translateX(115px) rotate(-360deg); }
    }
    
    .info-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .cta-card { flex-direction: column; text-align: center; padding: 35px 25px; }
    
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    
    .timeline::before { left: 25px; }
    body[data-dir="rtl"] .timeline::before { left: auto; right: 25px; }
    
    .timeline-item {
        width: 100%;
        padding: 20px 20px 20px 70px;
    }
    
    body[data-dir="rtl"] .timeline-item {
        padding: 20px 70px 20px 20px;
    }
    
    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) { margin-left: 0; }
    
    .timeline-marker {
        left: 0 !important;
        right: auto !important;
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
    
    body[data-dir="rtl"] .timeline-marker {
        left: auto !important;
        right: 0 !important;
    }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .avatar-container { width: 200px; height: 200px; }
    .avatar-image { font-size: 5.5rem; }
    .tech-icon { width: 32px; height: 32px; font-size: 0.9rem; }
    .tech-icon[style*="--i:"] { margin: -16px; }
    
    @keyframes orbit {
        from { transform: rotate(0deg) translateX(88px) rotate(0deg); }
        to { transform: rotate(360deg) translateX(88px) rotate(-360deg); }
    }
    
    .hobbies-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 2rem; }
    .page-title { font-size: 2rem; }
    .section-title { font-size: 1.8rem; }
    .contact-form-wrapper { padding: 25px 20px; }
    .about-card-3d { padding: 40px 20px; }
    .about-avatar { width: 150px; height: 150px; font-size: 4rem; }
    .why-card { padding: 30px 20px; }
}

/* ===== دسترس‌پذیری: لینک پرش به محتوا ===== */
.skip-link {
    position: absolute;
    top: -60px;
    left: 16px;
    z-index: 10001;
    background: var(--primary);
    color: #fff;
    padding: 10px 18px;
    border-radius: var(--radius-sm, 8px);
    font-weight: 600;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 16px;
}

body[data-dir="rtl"] .skip-link {
    left: auto;
    right: 16px;
}

/* ===== دسترس‌پذیری: حالت فوکوس با کیبورد ===== */
a:focus-visible,
button:focus-visible,
.tech-icon:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
    border-radius: var(--radius-sm, 8px);
}

/* ===== کاملاً پوشیده (حقه‌دام ضداسپم) ===== */
.hp-field {
    position: absolute;
    left: -9999px;
    top: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    overflow: hidden;
    pointer-events: none;
}

/* ===== دکمه دانلود/چاپ رزومه در نوار ناوبری ===== */
.nav-print-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    font-family: inherit;
    border-radius: 100px;
    cursor: pointer;
    transition: var(--transition);
}

.nav-print-btn:hover {
    color: var(--text);
    background: var(--bg-card-hover);
}

/* ===== حالت چاپ (خروجی PDF/رزومه تمیز) ===== */
@media print {
    .custom-cursor, .custom-cursor-follower, #particles, #loader,
    .scroll-progress, .back-to-top, .navbar, .footer,
    .hero-bg-grid, .hero-glow, .avatar-ring-outer, .avatar-ring-inner,
    .tech-orbit, .skip-link, .scroll-indicator {
        display: none !important;
    }

    body {
        background: #fff;
        color: #000;
    }

    a {
        color: #000;
        text-decoration: underline;
    }

    .hero, section {
        padding: 20px 0 !important;
        page-break-inside: avoid;
    }

    .gradient-text, .highlight {
        -webkit-text-fill-color: initial;
        background: none;
        color: #000;
    }
}