/* ==========================================================================
   Multi-Theme System (Zero Blue! Glassmorphism & 3D Aesthetics)
   ========================================================================== */

/* 1. Theme: شفق نئونی / غروب (Neon Sunset & Cyber Violet) - Default */
:root, [data-theme="sunset"] {
    --bg-dark: #120b24;
    --bg-dark-secondary: #1e1238;
    --bg-card: rgba(30, 18, 56, 0.72);
    --bg-card-hover: rgba(45, 26, 85, 0.85);
    --border-color: rgba(192, 132, 252, 0.16);
    --border-focus: rgba(244, 63, 94, 0.55);

    --primary: #f43f5e;           /* صورتی سرخابی */
    --primary-glow: rgba(244, 63, 94, 0.35);
    --accent: #c084fc;            /* بنفش ویولت */
    --accent-glow: rgba(192, 132, 252, 0.3);
    --secondary: #f97316;         /* نارنجی طلایی غروب */
    --secondary-glow: rgba(249, 115, 22, 0.3);

    --text-primary: #fff1f2;      /* سفید ملایم */
    --text-secondary: #e4d5f5;    /* یاسی */
    --text-muted: #a78bfa;

    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.14);
    --glass-shadow: 0 12px 35px rgba(18, 11, 36, 0.6);
    --glass-inset: inset 0 1px 1px rgba(255, 255, 255, 0.25);

    --navbar-bg: rgba(18, 11, 36, 0.82);
    --terminal-bg: #150d2a;
    --terminal-header: #1e133a;

    --glow-color-1: #f43f5e;
    --glow-color-2: #c084fc;
}

/* 2. Theme: تم سفید شیشه‌ای (Light Glass) */
[data-theme="light"] {
    --bg-dark: #f8fafc;
    --bg-dark-secondary: #f1f5f9;
    --bg-card: rgba(255, 255, 255, 0.93);
    --bg-card-hover: rgba(255, 255, 255, 0.98);
    --border-color: rgba(15, 23, 42, 0.08);
    --border-focus: rgba(225, 29, 72, 0.45);

    --primary: #e11d48;           /* رز سیر */
    --primary-glow: rgba(225, 29, 72, 0.22);
    --accent: #9333ea;            /* ارغوانی ویولت */
    --accent-glow: rgba(147, 51, 234, 0.22);
    --secondary: #ea580c;         /* نارنجی گرم */
    --secondary-glow: rgba(234, 88, 12, 0.22);

    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;

    --glass-bg: rgba(255, 255, 255, 0.88);
    --glass-border: rgba(255, 255, 255, 0.92);
    --glass-shadow: 0 16px 40px rgba(15, 23, 42, 0.05), 0 2px 6px rgba(15, 23, 42, 0.03);
    --glass-inset: inset 0 1px 2px rgba(255, 255, 255, 0.95), inset 0 -1px 1px rgba(15, 23, 42, 0.02);

    --navbar-bg: rgba(255, 255, 255, 0.92);
    --terminal-bg: rgba(255, 255, 255, 0.92);
    --terminal-header: rgba(241, 245, 249, 0.92);

    --glow-color-1: rgba(225, 29, 72, 0.12);
    --glow-color-2: rgba(147, 51, 234, 0.12);
}

/* 3. Theme: تم زمردی سایبر (Cyber Emerald & Matrix Gold - Zero Blue) */
[data-theme="emerald"] {
    --bg-dark: #080d0a;
    --bg-dark-secondary: #101a14;
    --bg-card: rgba(16, 26, 20, 0.75);
    --bg-card-hover: rgba(24, 40, 30, 0.88);
    --border-color: rgba(16, 185, 129, 0.18);
    --border-focus: rgba(16, 185, 129, 0.55);

    --primary: #10b981;           /* زمردی نئونی */
    --primary-glow: rgba(16, 185, 129, 0.35);
    --accent: #c084fc;            /* ویولت مکمل */
    --accent-glow: rgba(192, 132, 252, 0.25);
    --secondary: #f59e0b;         /* کهربایی زرین */
    --secondary-glow: rgba(245, 158, 11, 0.3);

    --text-primary: #f0fdf4;
    --text-secondary: #cbd5e1;
    --text-muted: #6ee7b7;

    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(16, 185, 129, 0.22);
    --glass-shadow: 0 12px 35px rgba(0, 0, 0, 0.55);
    --glass-inset: inset 0 1px 1px rgba(255, 255, 255, 0.2);

    --navbar-bg: rgba(8, 13, 10, 0.85);
    --terminal-bg: #0d1611;
    --terminal-header: #14221a;

    --glow-color-1: #10b981;
    --glow-color-2: #c084fc;
}

/* Base Fonts & Dimensions */
:root {
    --font-fa: 'Vazirmatn', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;

    --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-full: 9999px;
}

/* ==========================================================================
   Reset & Global Setup
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-fa);
    line-height: 1.75;
    direction: rtl;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    transition: background-color 0.4s ease, color 0.4s ease;
}

/* 3D WebGL Background Canvas */
#webgl-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    opacity: 0.65;
    transition: opacity 0.5s ease;
}

[data-theme="light"] body {
    background: radial-gradient(circle at 12% 15%, rgba(225, 29, 72, 0.04), transparent 45%),
                radial-gradient(circle at 88% 45%, rgba(147, 51, 234, 0.04), transparent 45%),
                radial-gradient(circle at 50% 85%, rgba(234, 88, 12, 0.03), transparent 50%),
                #f8fafc;
}

[data-theme="light"] #webgl-canvas {
    opacity: 0.52;
}

/* 3D Top Scroll Progress Indicator */
.scroll-progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    z-index: 2000;
    background: transparent;
}

.scroll-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--secondary) 0%, var(--primary) 50%, var(--accent) 100%);
    box-shadow: 0 0 10px var(--primary-glow);
    transition: width 0.1s ease-out;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: var(--radius-full);
    border: 2px solid var(--bg-dark);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Container */
.container {
    width: 100%;
    max-width: 1180px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    position: relative;
    z-index: 10;
}

/* Ambient Glowing Orbs */
.glow-bg {
    position: fixed;
    border-radius: 50%;
    filter: blur(140px);
    pointer-events: none;
    z-index: 1;
    opacity: 0.22;
    transition: background 0.5s ease;
}

.glow-1 {
    width: 550px;
    height: 550px;
    background: radial-gradient(circle, var(--glow-color-1) 0%, transparent 70%);
    top: -120px;
    right: -100px;
}

.glow-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--glow-color-2) 0%, transparent 70%);
    bottom: -150px;
    left: -150px;
}

/* ==========================================================================
   Typography & Helpers
   ========================================================================== */
a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

.section {
    padding: 6.5rem 0;
    position: relative;
    z-index: 10;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 3.8rem auto;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--glass-inset);
    padding: 0.4rem 1.2rem;
    border-radius: var(--radius-full);
    margin-bottom: 0.9rem;
}

.section-title {
    font-size: 2.3rem;
    font-weight: 800;
    margin-bottom: 0.7rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 55%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-highlight {
    color: var(--primary);
    font-family: var(--font-mono);
    font-weight: 600;
}

/* ==========================================================================
   3D Glassmorphism Buttons (شیشه‌ای سه‌بعدی)
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    padding: 0.85rem 1.75rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    position: relative;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transform-style: preserve-3d;
    perspective: 800px;
}

.btn-sm {
    padding: 0.5rem 1.2rem;
    font-size: 0.85rem;
}

.btn-block {
    width: 100%;
}

/* Primary Glass Button */
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #db2777 100%);
    color: #ffffff !important;
    box-shadow: 0 8px 25px var(--primary-glow), var(--glass-inset);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 14px 35px var(--primary-glow), var(--glass-inset);
}

.btn-primary:active {
    transform: translateY(-1px) scale(0.99);
}

/* Glassmorphism Frosted Button */
.btn-glass {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    box-shadow: var(--glass-shadow), var(--glass-inset);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25), 0 0 15px var(--primary-glow);
}

/* Outline Glass Button */
.btn-outline {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    color: var(--primary);
    box-shadow: var(--glass-inset);
}

.btn-outline:hover {
    background: var(--glass-bg);
    border-color: var(--primary);
    box-shadow: 0 0 20px var(--primary-glow);
    transform: translateY(-3px);
}

/* ==========================================================================
   Navigation Bar & Theme Switcher
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: var(--navbar-bg);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 74px;
}

.logo {
    display: flex;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    direction: ltr;
}

.code-bracket {
    color: var(--primary);
}

.logo-text {
    margin: 0 3px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.8rem;
}

.nav-item {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.35rem 0;
}

.nav-item:hover, .nav-item.active {
    color: var(--primary);
}

.nav-item.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    right: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: var(--radius-full);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

/* Theme Switcher Button & Dropdown */
.theme-switcher-wrapper {
    position: relative;
}

.theme-btn {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1.1rem;
    box-shadow: var(--glass-inset);
    transition: var(--transition);
}

.theme-btn:hover {
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
    transform: rotate(20deg);
}

.theme-dropdown {
    position: absolute;
    top: 50px;
    left: 0;
    background: var(--bg-card);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.5rem;
    min-width: 180px;
    display: none;
    flex-direction: column;
    gap: 0.3rem;
    box-shadow: var(--glass-shadow);
    z-index: 1050;
    animation: fadeInDown 0.25s ease-out;
}

.theme-dropdown.show {
    display: flex;
}

.theme-option {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0.9rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    text-align: right;
    width: 100%;
    transition: var(--transition);
}

.theme-option:hover, .theme-option.active {
    background: var(--glass-bg);
    color: var(--primary);
}

.theme-color-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}
.dot-sunset { background: linear-gradient(135deg, #f43f5e, #c084fc); }
.dot-light { background: linear-gradient(135deg, #e11d48, #f8fafc); border: 1px solid #cbd5e1; }
.dot-emerald { background: linear-gradient(135deg, #10b981, #f59e0b); }

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

.menu-toggle {
    display: none;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
    cursor: pointer;
}

/* ==========================================================================
   Hero Section & 3D Interactive Card
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 100px;
    position: relative;
    perspective: 1200px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
    align-items: center;
    width: 100%;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 1.1rem;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    backdrop-filter: blur(12px);
    box-shadow: var(--glass-inset);
    color: var(--secondary);
    font-size: 0.88rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--secondary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--secondary);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 var(--secondary-glow); }
    70% { transform: scale(1); box-shadow: 0 0 0 9px rgba(0,0,0,0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0,0,0,0); }
}

.hero-title {
    font-size: 3.1rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 0.9rem;
}

.hero-subtitle {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1.4rem;
}

.hero-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.85;
    margin-bottom: 2.2rem;
    max-width: 580px;
}

.hero-cta {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin-bottom: 2.2rem;
}

.hero-socials {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.social-icon {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 1.2rem;
    box-shadow: var(--glass-inset);
    backdrop-filter: blur(12px);
    transition: var(--transition);
}

.social-icon:hover {
    color: var(--primary);
    border-color: var(--primary);
    transform: translateY(-4px) scale(1.08);
    box-shadow: 0 0 18px var(--primary-glow);
}

/* 3D Interactive Terminal Card */
.terminal-card {
    background: var(--terminal-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow), 0 0 35px var(--primary-glow);
    overflow: hidden;
    direction: ltr;
    font-family: var(--font-mono);
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
    will-change: transform;
}

.terminal-header {
    background: var(--terminal-header);
    padding: 0.85rem 1.1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.terminal-buttons {
    display: flex;
    gap: 6px;
    margin-right: 1rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.dot.red { background: #f43f5e; }
.dot.yellow { background: #f97316; }
.dot.green { background: #10b981; }

.terminal-title {
    font-size: 0.8rem;
    color: #94a3b8;
}

.terminal-body {
    padding: 1.35rem 1.5rem;
    font-size: 0.88rem;
    line-height: 1.65;
    transform: translateZ(20px);
}

.term-line {
    margin-bottom: 0.35rem;
}

.prompt {
    color: var(--secondary);
    font-weight: 700;
}

.command {
    color: #f8fafc !important;
    font-weight: 600;
}

.term-output {
    color: #cbd5e1 !important;
    margin-bottom: 0.75rem;
    font-size: 0.84rem;
    line-height: 1.65;
}

.term-output.success {
    color: #34d399 !important;
}

.term-code {
    background: rgba(0, 0, 0, 0.45);
    padding: 0.8rem;
    border-radius: var(--radius-sm);
    margin-bottom: 0.75rem;
    color: #f1f5f9 !important;
    font-size: 0.82rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.term-code .key { color: #c084fc !important; }
.term-code .str { color: #f43f5e !important; }

.pulse-cursor::after {
    content: '▋';
    color: var(--primary);
    animation: blink 1s step-start infinite;
    margin-left: 4px;
}

@keyframes blink {
    50% { opacity: 0; }
}

/* ==========================================================================
   Light Theme Terminal Card (گلس‌مورفیسم سفید کریستالی و شفاف)
   ========================================================================== */
[data-theme="light"] .terminal-card {
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(28px) saturate(160%);
    -webkit-backdrop-filter: blur(28px) saturate(160%);
    border: 1px solid rgba(255, 255, 255, 0.92);
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.06), inset 0 1px 2px rgba(255, 255, 255, 0.95), 0 0 20px rgba(225, 29, 72, 0.04);
}

[data-theme="light"] .terminal-header {
    background: rgba(241, 245, 249, 0.85);
    border-bottom: 1px solid rgba(15, 23, 42, 0.07);
}

[data-theme="light"] .terminal-title {
    color: #64748b;
    font-weight: 500;
}

[data-theme="light"] .terminal-card .command {
    color: #0f172a !important;
    font-weight: 700;
}

[data-theme="light"] .terminal-card .prompt {
    color: #ea580c;
    font-weight: 700;
}

[data-theme="light"] .terminal-card .term-output {
    color: #334155 !important;
    font-weight: 500;
}

[data-theme="light"] .terminal-card .term-output.success {
    color: #059669 !important;
    font-weight: 600;
}

[data-theme="light"] .terminal-card .term-code {
    background: rgba(255, 255, 255, 0.90);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(15, 23, 42, 0.08);
    color: #0f172a !important;
    box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.02), 0 4px 12px rgba(15, 23, 42, 0.03);
}

[data-theme="light"] .terminal-card .term-code .key {
    color: #9333ea !important;
    font-weight: 600;
}

[data-theme="light"] .terminal-card .term-code .str {
    color: #e11d48 !important;
}

[data-theme="light"] .terminal-card .pulse-cursor::after {
    color: #e11d48;
}

/* 3D Animated Scroll Down Indicator */
.scroll-down-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 3.5rem;
    margin-bottom: 1rem;
    cursor: pointer;
    z-index: 15;
    align-self: center;
}

.scroll-mouse {
    width: 26px;
    height: 42px;
    border: 2px solid var(--border-color);
    border-radius: 14px;
    position: relative;
    background: var(--glass-bg);
    box-shadow: 0 0 15px var(--primary-glow);
    backdrop-filter: blur(8px);
    transition: var(--transition);
}

.scroll-mouse:hover {
    border-color: var(--primary);
    box-shadow: 0 0 25px var(--primary-glow);
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    position: absolute;
    top: 7px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollAnim 1.8s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

@keyframes scrollAnim {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(16px); }
}

.scroll-text {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    letter-spacing: 0.05em;
    animation: floatText 2s ease-in-out infinite;
}

@keyframes floatText {
    0%, 100% { transform: translateY(0); opacity: 0.8; }
    50% { transform: translateY(4px); opacity: 1; color: var(--primary); }
}

/* ==========================================================================
   3D Tilt Cards & Scroll Reveal Animation
   ========================================================================== */

/* 3D Tilt Card Base */
.tilt-card {
    transform-style: preserve-3d;
    perspective: 1000px;
    transition: transform 0.25s ease-out, box-shadow 0.25s ease-out, border-color 0.25s ease;
    will-change: transform;
}

.tilt-inner {
    transform-style: preserve-3d;
}

.tilt-pop {
    transform: translateZ(28px);
    transition: transform 0.25s ease-out;
}

/* Scroll Reveal Classes (Smooth 3D entrance as you scroll) */
.reveal-on-scroll {
    opacity: 0;
    transform: perspective(1000px) translateY(45px) rotateX(10deg);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: perspective(1000px) translateY(0) rotateX(0);
}

/* Delay staggered items */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ==========================================================================
   About Section & 3D Bento Profile Showcase
   ========================================================================== */
.about-bento-grid {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 2rem;
    align-items: stretch;
}

/* 3D Luxury Bento Profile Card */
.about-profile-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.2rem 1.8rem;
    box-shadow: var(--glass-shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.about-profile-card:hover {
    border-color: var(--primary);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.35), 0 0 30px var(--primary-glow);
}

/* Online Status Pill Badge */
.profile-card-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    backdrop-filter: blur(10px);
    box-shadow: var(--glass-inset);
}

.status-pulse-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 10px #10b981;
    position: relative;
}

.status-pulse-dot::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    border: 1px solid #10b981;
    animation: statusPing 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes statusPing {
    75%, 100% {
        transform: scale(2);
        opacity: 0;
    }
}

/* Avatar Wrapper (Pop-out 3D without artificial circular clipping) */
.profile-avatar-wrapper {
    position: relative;
    width: 220px;
    height: 220px;
    margin: 0.5rem auto 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-ambient-glow {
    position: absolute;
    inset: -15px;
    background: radial-gradient(circle, var(--primary) 0%, var(--accent) 50%, transparent 75%);
    opacity: 0.45;
    filter: blur(25px);
    border-radius: 50%;
    z-index: 1;
    pointer-events: none;
    animation: avatarAmbientPulse 4s ease-in-out infinite alternate;
}

@keyframes avatarAmbientPulse {
    0% { transform: scale(0.92); opacity: 0.35; }
    100% { transform: scale(1.08); opacity: 0.6; }
}

.profile-avatar-img {
    position: relative;
    width: 100%;
    height: 100%;
    object-fit: contain;
    z-index: 2;
    filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.45));
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.about-profile-card:hover .profile-avatar-img {
    transform: scale(1.06) translateY(-4px);
}

/* Profile Info */
.profile-info {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.profile-name {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.profile-role {
    font-size: 0.92rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 1.1rem;
}

.profile-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1.4rem;
}

.profile-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-secondary);
    backdrop-filter: blur(8px);
}

.profile-actions {
    width: 100%;
    margin-top: auto;
}

.profile-bot-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.75rem 1.2rem;
    font-size: 0.88rem;
}

/* Column 2: Focus Cards */
.about-cards-col {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    justify-content: space-between;
}

.about-cards-col .about-card {
    background: var(--bg-card);
    backdrop-filter: blur(18px) saturate(180%);
    -webkit-backdrop-filter: blur(18px) saturate(180%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.6rem 1.8rem;
    box-shadow: var(--glass-shadow);
    display: flex;
    align-items: flex-start;
    gap: 1.4rem;
    transition: var(--transition);
}

.about-cards-col .about-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35), 0 0 25px var(--primary-glow);
}

.about-cards-col .about-card .card-icon {
    width: 54px;
    height: 54px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    color: var(--primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--glass-inset);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.about-cards-col .about-card .card-content {
    flex: 1;
}

.about-cards-col .about-card h3 {
    font-size: 1.18rem;
    font-weight: 700;
    margin-bottom: 0.45rem;
    color: var(--text-primary);
}

.about-cards-col .about-card p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 0;
}

/* Light Theme overrides for About Bento Profile Card */
[data-theme="light"] .about-profile-card {
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(24px) saturate(160%);
    -webkit-backdrop-filter: blur(24px) saturate(160%);
    border: 1px solid rgba(255, 255, 255, 0.92);
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.05), inset 0 1px 2px rgba(255, 255, 255, 0.95);
}

[data-theme="light"] .profile-card-badge,
[data-theme="light"] .profile-tag {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-color: rgba(15, 23, 42, 0.08);
    color: #334155;
}

[data-theme="light"] .profile-name {
    color: #0f172a;
}

/* ==========================================================================
   Skills Section
   ========================================================================== */
.skills-wrapper {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
}

.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.2rem 2rem;
    backdrop-filter: blur(18px) saturate(180%);
    -webkit-backdrop-filter: blur(18px) saturate(180%);
    box-shadow: var(--glass-shadow);
}

.skill-category:hover {
    border-color: var(--accent);
    box-shadow: 0 15px 35px rgba(0,0,0,0.3), 0 0 20px var(--accent-glow);
}

.category-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1.4rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text-primary);
}

.category-title i {
    color: var(--primary);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.skill-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    box-shadow: var(--glass-inset);
    transition: var(--transition);
}

.skill-chip:hover {
    background: rgba(244, 63, 94, 0.12);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px) scale(1.04);
}

/* ==========================================================================
   Projects Section
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
}

.project-card {
    background: var(--bg-card);
    backdrop-filter: blur(18px) saturate(180%);
    -webkit-backdrop-filter: blur(18px) saturate(180%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.2rem 1.8rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--glass-shadow);
}

.project-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35), 0 0 25px var(--primary-glow);
}

.project-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.4rem;
}

.folder-icon {
    font-size: 2rem;
    color: var(--primary);
}

.project-links {
    display: flex;
    gap: 0.8rem;
    font-size: 1.25rem;
    color: var(--text-muted);
}

.project-links a:hover {
    color: var(--primary);
    transform: scale(1.15);
}

.project-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    line-height: 1.5;
}

.project-desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 1.5rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-muted);
}

.project-tech span {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.65rem;
    border-radius: 4px;
}

/* ==========================================================================
   Contact Section & Glass Form
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: start;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.contact-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.2rem 1.6rem;
    backdrop-filter: blur(16px);
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
}

.contact-box:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    transform: translateX(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25), 0 0 15px var(--primary-glow);
}

.contact-box.highlight-box {
    border-color: var(--accent);
    background: linear-gradient(135deg, rgba(192, 132, 252, 0.12) 0%, var(--bg-card) 100%);
}

.box-icon {
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    color: var(--primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--glass-inset);
    border-radius: var(--radius-md);
    font-size: 1.3rem;
    flex-shrink: 0;
    margin-left: 1.2rem;
}

.telegram-icon {
    color: var(--accent);
}

.channel-icon {
    color: var(--secondary);
}

.github-icon {
    color: var(--text-primary);
}

.box-info {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.box-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.2rem;
}

.box-value {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-mono);
    direction: ltr;
    text-align: right;
}

.box-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.badge-inline {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.25rem;
}

.soon-badge {
    background: rgba(249, 115, 22, 0.2);
    color: var(--secondary);
    border: 1px solid rgba(249, 115, 22, 0.3);
    font-size: 0.75rem;
    padding: 0.15rem 0.6rem;
    border-radius: var(--radius-full);
    font-weight: 600;
}

.copy-btn, .visit-btn {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    box-shadow: var(--glass-inset);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.05rem;
    transition: var(--transition);
    position: relative;
    flex-shrink: 0;
}

.copy-btn:hover, .visit-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
}

.tooltip {
    position: absolute;
    bottom: -32px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary);
    color: #ffffff;
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    white-space: nowrap;
    pointer-events: none;
}

.tooltip.show {
    opacity: 1;
    visibility: visible;
    bottom: -36px;
}

.locked-icon {
    font-size: 1.2rem;
    color: var(--text-muted);
    padding: 0 0.8rem;
}

/* Glassmorphism Contact Form Card */
.contact-form-card {
    background: var(--bg-card);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.3rem 2.1rem;
    box-shadow: var(--glass-shadow);
}

.form-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--primary);
}

.form-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.6rem;
}

.django-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group label {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group .req {
    color: var(--primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1.1rem;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    box-shadow: var(--glass-inset);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-group textarea {
    resize: vertical;
    min-height: 110px;
}

/* Light Theme Overrides for Contact Section */
[data-theme="light"] .contact-box {
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.04), inset 0 1px 2px rgba(255, 255, 255, 0.95);
}

[data-theme="light"] .contact-box:hover {
    background: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08), 0 0 15px rgba(225, 29, 72, 0.12);
}

[data-theme="light"] .contact-box.highlight-box {
    background: rgba(255, 255, 255, 0.96);
    border: 1.5px solid rgba(225, 29, 72, 0.35);
    box-shadow: 0 10px 25px rgba(225, 29, 72, 0.05), inset 0 1px 2px rgba(255, 255, 255, 0.95);
}

[data-theme="light"] .contact-box .box-icon {
    background: rgba(248, 250, 252, 0.95);
    border: 1px solid rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .contact-form-card {
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(28px);
    -webkit-backdrop-filter: blur(28px);
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 15px 35px rgba(15, 23, 42, 0.05), inset 0 1px 2px rgba(255, 255, 255, 0.95);
}

[data-theme="light"] .form-group input,
[data-theme="light"] .form-group textarea {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(15, 23, 42, 0.12);
    color: #0f172a;
}

[data-theme="light"] .copy-btn,
[data-theme="light"] .visit-btn {
    background: rgba(248, 250, 252, 0.95);
    border: 1px solid rgba(15, 23, 42, 0.08);
    color: #334155;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 2.2rem 0;
    margin-top: 4rem;
    background: var(--navbar-bg);
    backdrop-filter: blur(16px);
    position: relative;
    z-index: 10;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-links a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--primary);
}

.footer-links a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   Android & Mobile UI Mode - Automatic Responsive Architecture
   ========================================================================== */

/* 1. Mobile Bottom Navigation Dock (Default Hidden on Desktop) */
.mobile-bottom-nav {
    display: none;
}

/* 2. Tablets and Intermediate Viewports (<= 992px) */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .hero-visual {
        max-width: 520px;
        margin: 0 auto;
        width: 100%;
    }

    .about-bento-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-profile-card {
        max-width: 480px;
        margin: 0 auto;
        width: 100%;
    }

    .about-grid,
    .skills-wrapper,
    .projects-grid {
        grid-template-columns: 1fr 1fr;
    }

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

/* 3. Mobile / Android Native UI Breakpoint (<= 768px) */
@media (max-width: 768px) {
    /* Prevent any horizontal shift */
    html, body {
        overflow-x: hidden;
        width: 100%;
        max-width: 100vw;
    }

    body {
        padding-bottom: 74px; /* Space for bottom dock */
    }

    /* Top Navbar: Compact, Clean Android App-Header */
    .navbar {
        height: 60px;
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
    }

    .nav-container {
        height: 60px;
        padding: 0 1.2rem;
    }

    .logo {
        font-size: 1.15rem;
    }

    /* Hide redundant top nav links and hamburger in favor of Bottom Dock */
    .nav-links,
    .menu-toggle {
        display: none !important;
    }

    .nav-actions .btn {
        display: none;
    }

    .theme-dropdown {
        left: 0;
        right: auto;
        min-width: 195px;
    }

    /* Floating Glass Bottom Navigation Dock */
    .mobile-bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 64px;
        background: var(--navbar-bg);
        backdrop-filter: blur(28px) saturate(190%);
        -webkit-backdrop-filter: blur(28px) saturate(190%);
        border-top: 1px solid var(--border-color);
        box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.45), 0 -1px 0 rgba(255, 255, 255, 0.08);
        z-index: 1000;
        justify-content: space-around;
        align-items: center;
        padding: 0 0.4rem;
        padding-bottom: max(4px, env(safe-area-inset-bottom));
    }

    [data-theme="light"] .mobile-bottom-nav {
        background: rgba(255, 255, 255, 0.94);
        border-top: 1px solid rgba(15, 23, 42, 0.08);
        box-shadow: 0 -8px 25px rgba(15, 23, 42, 0.06);
    }

    .mobile-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        flex: 1;
        height: 100%;
        color: var(--text-muted);
        text-decoration: none;
        transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        position: relative;
        padding: 4px 0;
        -webkit-tap-highlight-color: transparent;
        cursor: pointer;
    }

    .mobile-nav-icon {
        font-size: 1.25rem;
        margin-bottom: 2px;
        transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), color 0.25s ease;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 28px;
        border-radius: 14px;
    }

    .mobile-nav-label {
        font-size: 0.72rem;
        font-weight: 600;
        transition: color 0.25s ease;
        line-height: 1;
    }

    .mobile-nav-item:active {
        transform: scale(0.9);
    }

    .mobile-nav-item.active {
        color: var(--primary);
    }

    .mobile-nav-item.active .mobile-nav-icon {
        color: var(--primary);
        background: rgba(244, 63, 94, 0.14);
        box-shadow: 0 0 12px var(--primary-glow);
        transform: translateY(-2px);
    }

    [data-theme="emerald"] .mobile-nav-item.active .mobile-nav-icon {
        background: rgba(16, 185, 129, 0.16);
    }

    [data-theme="light"] .mobile-nav-item.active .mobile-nav-icon {
        background: rgba(225, 29, 72, 0.12);
    }

    /* Sections general spacing */
    .section {
        padding: 4rem 0;
    }

    .section-header {
        margin-bottom: 2.2rem;
        padding: 0 0.5rem;
    }

    .section-title {
        font-size: 1.85rem;
    }

    .section-subtitle {
        font-size: 0.95rem;
        line-height: 1.7;
    }

    /* Hero Section Mobile Polish */
    .hero {
        padding-top: 5rem;
        padding-bottom: 3.2rem;
        min-height: auto;
    }

    .hero-container {
        gap: 2.2rem;
        text-align: center;
    }

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

    .hero-title {
        font-size: clamp(1.75rem, 6.8vw, 2.25rem);
        line-height: 1.35;
        margin-bottom: 0.8rem;
    }

    .hero-subtitle {
        font-size: clamp(1rem, 4vw, 1.15rem);
        margin-bottom: 1.1rem;
    }

    .hero-desc {
        font-size: 0.95rem;
        line-height: 1.8;
        max-width: 520px;
        margin: 0 auto 1.6rem auto;
        text-align: justify;
        text-align-last: center;
    }

    .hero-cta {
        display: flex;
        flex-direction: column;
        gap: 0.8rem;
        width: 100%;
        max-width: 360px;
        margin: 0 auto 1.5rem auto;
    }

    .hero-cta .btn {
        width: 100%;
        justify-content: center;
        min-height: 48px;
        font-size: 0.98rem;
    }

    .hero-socials {
        justify-content: center;
        gap: 0.85rem;
        margin-top: 0.4rem;
    }

    .social-icon {
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
    }

    .hero-visual {
        max-width: 100%;
        width: 100%;
    }

    .terminal-card {
        padding: 1.2rem 1rem;
        border-radius: var(--radius-md);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    }

    .term-code {
        font-size: 0.8rem;
        line-height: 1.6;
        white-space: pre;
        overflow-x: auto;
        text-align: left;
        direction: ltr;
        padding-bottom: 0.4rem;
    }

    .term-line, .term-output {
        font-size: 0.82rem;
        text-align: left;
        direction: ltr;
    }

    .scroll-down-wrapper {
        display: none;
    }

    /* About Section Mobile Polish */
    .about-bento-grid {
        grid-template-columns: 1fr;
        gap: 1.6rem;
    }

    .about-profile-card {
        padding: 2rem 1.4rem;
        max-width: 100%;
        text-align: center;
    }

    .profile-avatar-wrapper {
        width: 200px;
        height: 200px;
        margin: 0 auto 1.4rem auto;
    }

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

    .profile-tags {
        justify-content: center;
        gap: 0.5rem;
    }

    .about-grid,
    .skills-wrapper,
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }

    .about-card {
        padding: 1.4rem 1.2rem;
    }

    .about-card .card-icon {
        width: 46px;
        height: 46px;
        font-size: 1.25rem;
    }

    /* Skills Section Mobile Polish */
    .skill-category {
        padding: 1.5rem 1.2rem;
    }

    .skill-tags {
        gap: 0.5rem;
    }

    .skill-chip {
        font-size: 0.85rem;
        padding: 0.48rem 0.85rem;
    }

    /* Projects Section Mobile Polish */
    .project-card {
        padding: 1.6rem 1.4rem;
    }

    .project-title {
        font-size: 1.18rem;
    }

    .project-desc {
        font-size: 0.9rem;
        line-height: 1.7;
    }

    /* Contact Section Mobile Polish */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-box {
        padding: 1.1rem 1.2rem;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 0.85rem;
    }

    .contact-box .box-icon {
        margin-left: 0.8rem;
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
        flex-shrink: 0;
    }

    .contact-box .box-info {
        flex: 1;
        min-width: 0;
    }

    .contact-box .box-value {
        font-size: 0.88rem;
        word-break: break-all;
    }

    .contact-box .copy-btn,
    .contact-box .visit-btn {
        flex-shrink: 0;
        min-width: 40px;
        height: 40px;
        padding: 0.5rem;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .contact-form-card {
        padding: 1.6rem 1.3rem;
    }

    .form-group label {
        font-size: 0.88rem;
    }

    /* Crucial: Prevent iOS and Android Chrome auto-zoom on input focus */
    .form-group input,
    .form-group textarea {
        font-size: 16px !important;
        padding: 0.85rem 1rem;
    }

    .contact-form-card .btn-block {
        min-height: 48px;
        font-size: 1rem;
    }

    /* Footer Mobile Polish */
    .footer {
        padding: 2.2rem 0 5.5rem 0;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        font-size: 0.86rem;
    }
}

/* 4. Ultra Small Screens / Compact Phones (<= 480px) */
@media (max-width: 480px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .hero-title {
        font-size: 1.68rem;
    }

    .profile-avatar-wrapper {
        width: 175px;
        height: 175px;
    }

    .profile-name {
        font-size: 1.3rem;
    }

    .about-cards-col .about-card {
        padding: 1.2rem 1rem;
    }

    .mobile-nav-label {
        font-size: 0.68rem;
    }

    .contact-box {
        flex-wrap: wrap;
    }
}