/* ============================================
   Premium Dark Portfolio Theme
   ============================================ */

@font-face {
    font-family: 'Aviny';
    src: url('fonts/Aviny.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

:root,
[data-theme="dark"] {
    --bg-deep: #07070d;
    --bg-elevated: #0f0f18;
    --bg-card: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.18);
    --text-primary: #f4f4f8;
    --text-secondary: #9898a8;
    --text-muted: #5c5c6e;
    --accent-cyan: #0891b2;
    --accent-violet: #7c3aed;
    --accent-pink: #db2777;
    --accent-cyan-bright: #22d3ee;
    --gradient-main: linear-gradient(135deg, #22d3ee 0%, #a78bfa 50%, #f472b6 100%);
    --gradient-text: linear-gradient(135deg, #67e8f9 0%, #c4b5fd 45%, #f9a8d4 100%);
    --shadow-glow: 0 0 60px rgba(34, 211, 238, 0.15);
    --orb-opacity: 0.45;
    --header-scrolled: rgba(7, 7, 13, 0.85);
    --nav-mobile-bg: rgba(7, 7, 13, 0.98);
    --input-bg: rgba(0, 0, 0, 0.25);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --header-h: 72px;
}

[data-theme="light"] {
    --bg-deep: #f1f5f9;
    --bg-elevated: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.85);
    --border: rgba(15, 23, 42, 0.1);
    --border-hover: rgba(15, 23, 42, 0.2);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --accent-cyan: #0891b2;
    --accent-violet: #7c3aed;
    --accent-pink: #db2777;
    --accent-cyan-bright: #0891b2;
    --gradient-main: linear-gradient(135deg, #0891b2 0%, #7c3aed 50%, #db2777 100%);
    --gradient-text: linear-gradient(135deg, #0891b2 0%, #7c3aed 50%, #db2777 100%);
    --shadow-glow: 0 12px 40px rgba(8, 145, 178, 0.12);
    --orb-opacity: 0.2;
    --header-scrolled: rgba(241, 245, 249, 0.92);
    --nav-mobile-bg: rgba(255, 255, 255, 0.98);
    --input-bg: rgba(241, 245, 249, 0.9);
}

html:not([data-theme]) {
    color-scheme: dark;
}

html[data-theme="dark"] {
    color-scheme: dark;
}

html[data-theme="light"] {
    color-scheme: light;
}

/* یوزرنیم، ایمیل و متن لاتین در صفحهٔ RTL */
.ltr-inline {
    direction: ltr;
    unicode-bidi: isolate;
    display: inline-block;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-h);
}

body {
    font-family: 'Vazirmatn', system-ui, sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-deep);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    transition: background-color var(--transition), color var(--transition);
    padding-bottom: 160px;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Background effects */
.bg-orbs {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: var(--orb-opacity);
    animation: orbFloat 18s ease-in-out infinite;
    transition: opacity var(--transition);
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.35) 0%, transparent 70%);
    top: -10%;
    right: -5%;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(167, 139, 250, 0.3) 0%, transparent 70%);
    bottom: 20%;
    left: -10%;
    animation-delay: -6s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(244, 114, 182, 0.2) 0%, transparent 70%);
    top: 50%;
    left: 40%;
    animation-delay: -12s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -40px) scale(1.05); }
    66% { transform: translate(-20px, 30px) scale(0.95); }
}

.noise {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    opacity: 0.04;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Glass card */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.glass-card:hover {
    border-color: var(--border-hover);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-h);
    transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
    background: var(--header-scrolled);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 1rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--text-primary);
    letter-spacing: 0.05em;
}

.logo-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gradient-main);
    box-shadow: 0 0 12px var(--accent-cyan);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 1.25rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    right: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-main);
    border-radius: 2px;
    transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lang-switch {
    display: flex;
    padding: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
}

.lang-btn {
    padding: 6px 14px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition);
}

.lang-btn.active {
    background: var(--gradient-main);
    color: var(--bg-deep);
}

.lang-switch--mobile {
    margin-top: 12px;
    align-self: flex-start;
}

.nav-cta {
    padding: 10px 22px;
    background: var(--gradient-main);
    color: var(--bg-deep);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: var(--radius-full);
    transition: transform var(--transition), box-shadow var(--transition);
    white-space: nowrap;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(34, 211, 238, 0.35);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.theme-toggle {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all var(--transition);
    flex-shrink: 0;
}

.theme-toggle:hover {
    border-color: var(--border-hover);
    color: var(--accent-cyan-bright);
    transform: translateY(-2px);
}

.nav-mobile-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.nav-mobile {
    display: none;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--nav-mobile-bg);
    backdrop-filter: blur(20px);
    padding: 1.5rem;
    flex-direction: column;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
    z-index: 999;
}

.nav-mobile.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.nav-mobile a {
    color: var(--text-primary);
    text-decoration: none;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: background var(--transition);
}

.nav-mobile a:hover {
    background: var(--bg-card);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 2;
    padding-top: var(--header-h);
}

.hero-container {
    width: 100%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
    padding: 4rem 0 6rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 18px;
    background: rgba(8, 145, 178, 0.1);
    border: 1px solid rgba(8, 145, 178, 0.25);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--accent-cyan-bright);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

[data-theme="light"] .hero-badge {
    color: var(--accent-cyan);
}

.badge-pulse {
    width: 8px;
    height: 8px;
    background: var(--accent-cyan);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.5);
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.5); }
    50% { box-shadow: 0 0 0 8px rgba(34, 211, 238, 0); }
}

.hero-title {
    font-family: 'Aviny', 'Vazirmatn', sans-serif;
    font-size: clamp(2.25rem, 5.5vw, 3.75rem);
    font-weight: normal;
    line-height: 1.35;
    margin-bottom: 1rem;
    letter-spacing: 0;
}

.hero-title .gradient-text {
    font-family: inherit;
}

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

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    min-height: 1.5em;
}

.hero-subtitle::after {
    content: '|';
    color: var(--accent-cyan);
    animation: blink 1s step-end infinite;
    margin-right: 2px;
}

.hero-subtitle.typed::after {
    display: none;
}

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

.hero-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin-bottom: 2rem;
    line-height: 1.9;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn-primary {
    background: var(--gradient-main);
    color: var(--bg-deep);
    box-shadow: 0 4px 24px rgba(34, 211, 238, 0.25);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(34, 211, 238, 0.35);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-hover);
}

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

.btn-full {
    width: 100%;
}

.hero-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    padding: 8px 16px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    transition: all var(--transition);
}

.skill-tag:hover {
    color: var(--text-primary);
    border-color: rgba(167, 139, 250, 0.4);
    background: rgba(167, 139, 250, 0.08);
    transform: translateY(-2px);
}

/* Profile */
.hero-image {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 380px;
    margin: 0 auto;
    overflow: visible;
}

.profile-ring {
    position: relative;
    width: 340px;
    height: 340px;
}

.profile-ring-inner {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: conic-gradient(from 0deg, var(--accent-cyan), var(--accent-violet), var(--accent-pink), var(--accent-cyan));
    animation: spin 12s linear infinite;
    opacity: 0.6;
}

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

.profile-card {
    position: absolute;
    inset: 4px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--bg-elevated);
    z-index: 2;
}

.profile-image {
    width: 100%;
    height: 100%;
    position: relative;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-image.no-image img {
    display: none;
}

.profile-placeholder {
    display: none;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, var(--bg-elevated), #1a1a28);
    font-size: 4rem;
    color: var(--text-muted);
}

.profile-image.no-image .profile-placeholder {
    display: flex;
}

.orbit-badges {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 3;
}

.orbit-badge {
    position: absolute;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: rgba(15, 15, 24, 0.92);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-primary);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
    animation: floatCard 4s ease-in-out infinite;
    white-space: nowrap;
    pointer-events: auto;
}

.orbit-badge i {
    font-size: 1.1rem;
}

.float-php i { color: #8993be; }
.float-python i { color: #3776ab; }
.float-plc i { color: var(--accent-cyan-bright); }
.float-auto i { color: var(--accent-violet); }
.float-telegram i { color: #29a9eb; }

.float-1 {
    top: 4%;
    left: -8%;
    animation-delay: 0s;
}

.float-2 {
    top: 18%;
    right: -12%;
    animation-delay: -0.8s;
}

.float-3 {
    bottom: 28%;
    left: -10%;
    animation-delay: -1.6s;
}

.float-4 {
    bottom: 10%;
    right: -10%;
    animation-delay: -2.4s;
}

.float-5 {
    top: 42%;
    right: -14%;
    animation-delay: -3.2s;
}

[data-theme="light"] .float-php i { color: #5b6eae; }
[data-theme="light"] .float-python i { color: #2d5a87; }

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 44px;
    border: 2px solid var(--border-hover);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
    text-decoration: none;
}

.scroll-hint span {
    width: 4px;
    height: 8px;
    background: var(--accent-cyan);
    border-radius: 4px;
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(12px); opacity: 0.3; }
}

/* Sections */
.section {
    position: relative;
    z-index: 2;
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-cyan);
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

/* About */
.about-content {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 2rem;
    align-items: stretch;
}

.about-text {
    padding: 2.5rem;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 2;
}

.stats {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stat-item {
    padding: 1.75rem 2rem;
    text-align: center;
    flex: 1;
}

.stat-item:hover {
    transform: translateX(-4px);
    box-shadow: var(--shadow-glow);
}

.stat-item h3,
.stat-item .stat-value {
    font-size: 2.25rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
    line-height: 1.2;
}

.stat-value--tech {
    font-size: 1.35rem;
    letter-spacing: 0.02em;
    white-space: nowrap;
    display: block;
    padding: 0.15rem 0;
}

.stat-item p {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Projects */
/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.service-card {
    padding: 2rem;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-glow);
}

.service-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1.25rem;
    background: var(--gradient-main);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    color: var(--bg-deep);
}

.service-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.8;
}

.services-cta-wrap {
    text-align: center;
    margin-top: 2.5rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.projects-grid--4 {
    grid-template-columns: repeat(2, 1fr);
}

.project-card {
    padding: 2rem;
    position: relative;
    overflow: hidden;
    cursor: default;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
}

.project-card.featured {
    border-color: rgba(167, 139, 250, 0.25);
    background: rgba(167, 139, 250, 0.05);
}

.project-number {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    font-size: 3rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.04);
    line-height: 1;
}

.project-icon {
    width: 52px;
    height: 52px;
    background: var(--gradient-main);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    position: relative;
    z-index: 1;
}

.project-icon i {
    font-size: 1.25rem;
    color: var(--bg-deep);
}

.project-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    position: relative;
    z-index: 1;
}

.project-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    position: relative;
    z-index: 1;
}

.tag {
    padding: 6px 14px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-cyan);
    background: rgba(34, 211, 238, 0.1);
    border: 1px solid rgba(34, 211, 238, 0.2);
    border-radius: var(--radius-full);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 1rem;
    padding: 10px 18px;
    background: rgba(34, 211, 238, 0.1);
    border: 1px solid rgba(34, 211, 238, 0.25);
    border-radius: var(--radius-full);
    color: var(--accent-cyan);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    position: relative;
    z-index: 2;
    transition: all var(--transition);
}

.project-link:hover {
    background: rgba(34, 211, 238, 0.2);
    transform: translateY(-2px);
}

.project-glow {
    position: absolute;
    bottom: -50%;
    right: -30%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(167, 139, 250, 0.15) 0%, transparent 70%);
    pointer-events: none;
    transition: opacity var(--transition);
    opacity: 0;
}

.project-card:hover .project-glow {
    opacity: 1;
}

/* Timeline */
.timeline {
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    right: 28px;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-cyan), var(--accent-violet), transparent);
}

html[dir="ltr"] .timeline::before {
    right: auto;
    left: 28px;
}

.timeline-item {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 1.5rem;
    padding: 1.5rem 1.75rem;
    position: relative;
    align-items: start;
}

.timeline-item.active {
    border-color: rgba(34, 211, 238, 0.35);
    background: rgba(34, 211, 238, 0.05);
}

.timeline-year {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-cyan);
    text-align: center;
    position: relative;
    z-index: 1;
}

.timeline-body h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

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

/* LTR / English */
html[dir="ltr"] body.lang-en,
html[dir="ltr"] body {
    font-family: 'Inter', 'Vazirmatn', system-ui, sans-serif;
}

html[dir="ltr"] .hero-subtitle::after {
    margin-right: 0;
    margin-left: 2px;
}

html[dir="ltr"] .contact-item:hover {
    transform: translateX(6px);
}

html[dir="ltr"] .contact-item:hover .contact-arrow {
    transform: translateX(4px);
}

html[dir="ltr"] .stat-item:hover {
    transform: translateX(4px);
}

html[dir="ltr"] .contact-arrow {
    transform: scaleX(-1);
    margin-right: 0;
    margin-left: auto;
}

/* Contact */
.contact-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-top: 0.75rem;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 2rem;
    align-items: start;
}

.contact-content--solo {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
}

.contact-cta-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 1.5rem;
}

.contact-cta-btn {
    font-size: 0.95rem;
    padding: 14px 16px;
}

.contact-cta-btn i {
    font-size: 1.2rem;
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: #fff;
    box-shadow: 0 4px 24px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(37, 211, 102, 0.4);
}

.whatsapp-icon {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
}

/* دکمه‌های شناور تلگرام و واتساپ */
.fab-stack {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-end;
}

.contact-fab {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.9rem;
    border-radius: var(--radius-full);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
    transition: transform var(--transition), box-shadow var(--transition);
}

.contact-fab:hover {
    transform: translateY(-4px) scale(1.03);
}

.contact-fab i {
    font-size: 1.35rem;
}

.telegram-fab {
    background: linear-gradient(135deg, #0088cc 0%, #22d3ee 100%);
    box-shadow: 0 8px 32px rgba(0, 136, 204, 0.45);
    animation: fabPulseTelegram 3s ease-in-out infinite;
}

.telegram-fab:hover {
    box-shadow: 0 14px 40px rgba(0, 136, 204, 0.55);
    animation: none;
}

.whatsapp-fab {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.45);
    animation: fabPulseWhatsapp 3s ease-in-out infinite;
}

.whatsapp-fab:hover {
    box-shadow: 0 14px 40px rgba(37, 211, 102, 0.55);
    animation: none;
}

@keyframes fabPulseTelegram {
    0%, 100% { box-shadow: 0 8px 32px rgba(0, 136, 204, 0.45); }
    50% { box-shadow: 0 8px 40px rgba(0, 136, 204, 0.65), 0 0 0 8px rgba(0, 136, 204, 0.12); }
}

@keyframes fabPulseWhatsapp {
    0%, 100% { box-shadow: 0 8px 32px rgba(37, 211, 102, 0.45); }
    50% { box-shadow: 0 8px 40px rgba(37, 211, 102, 0.65), 0 0 0 8px rgba(37, 211, 102, 0.12); }
}

@media (max-width: 480px) {
    .fab-stack {
        bottom: 20px;
        right: 20px;
        gap: 10px;
    }

    .contact-fab {
        padding: 14px;
        border-radius: 50%;
    }

    .contact-fab__text {
        display: none;
    }

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem 1.5rem;
    text-decoration: none;
    color: inherit;
}

.contact-item:hover {
    transform: translateX(-6px);
    border-color: var(--border-hover);
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.15rem;
    color: white;
}

.email-icon { background: linear-gradient(135deg, #f43f5e, #fb923c); }
.phone-icon { background: linear-gradient(135deg, #22d3ee, #3b82f6); }
.telegram-icon { background: linear-gradient(135deg, #0088cc, #22d3ee); }
.instagram-icon { background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045); }

.contact-details h4 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.contact-details p {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
}

.contact-arrow {
    margin-right: auto;
    color: var(--text-muted);
    font-size: 0.75rem;
    transition: transform var(--transition), color var(--transition);
}

.contact-item:hover .contact-arrow {
    transform: translateX(-4px);
    color: var(--accent-cyan);
}

.contact-form {
    padding: 2rem;
}

.form-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

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

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: rgba(34, 211, 238, 0.5);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.1);
}

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

.hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.form-hint {
    font-size: 0.82rem;
    color: var(--text-secondary);
    background: rgba(34, 211, 238, 0.06);
    border: 1px solid rgba(34, 211, 238, 0.15);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    margin-bottom: 1rem;
    line-height: 1.7;
}

.form-hint code {
    background: rgba(0, 0, 0, 0.3);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.8rem;
}

.form-status {
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1.25rem;
    line-height: 1.6;
}

.form-status--success {
    color: #6ee7b7;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.form-status--error {
    color: #fca5a5;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

#form-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-loading {
    font-size: 1rem;
}

/* Footer */
.footer {
    position: relative;
    z-index: 2;
    padding: 2.5rem 0;
    border-top: 1px solid var(--border);
    background: var(--header-scrolled);
}

[data-theme="light"] .glass-card {
    box-shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
}

[data-theme="light"] .orbit-badge {
    background: var(--bg-elevated);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.1);
}

[data-theme="light"] .noise {
    opacity: 0.02;
}

[data-theme="light"] .tag {
    background: rgba(8, 145, 178, 0.1);
    color: var(--accent-cyan);
    border-color: rgba(8, 145, 178, 0.2);
}

[data-theme="light"] .project-link {
    background: rgba(8, 145, 178, 0.08);
    color: var(--accent-cyan);
}

[data-theme="light"] .timeline-item.active {
    background: rgba(8, 145, 178, 0.06);
    border-color: rgba(8, 145, 178, 0.25);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-copy {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition);
}

.social-link:hover {
    color: var(--text-primary);
    border-color: var(--accent-violet);
    background: rgba(167, 139, 250, 0.1);
    transform: translateY(-4px);
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1100px) {
    .nav-links {
        display: none;
    }

    .nav-cta {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-mobile {
        display: flex;
    }
}

@media (max-width: 992px) {
    .hero-image {
        max-width: 340px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

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

    .projects-grid,
    .projects-grid--4 {
        grid-template-columns: 1fr;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons,
    .hero-skills {
        justify-content: center;
    }

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

    .about-content {
        grid-template-columns: 1fr;
    }

    .stats {
        flex-direction: row;
    }

    .stat-item {
        flex: 1;
    }

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

}

@media (max-width: 900px) {
    .orbit-badges {
        position: static;
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
        margin-top: 1.25rem;
        width: 100%;
        pointer-events: auto;
    }

    .orbit-badge {
        position: static;
        animation: none;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .profile-ring {
        width: 260px;
        height: 260px;
    }

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

    .orbit-badge {
        font-size: 0.75rem;
        padding: 8px 12px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .stats {
        flex-direction: column;
    }

    .nav-actions .lang-switch {
        display: none;
    }

    .fab-stack {
        bottom: 16px;
        right: 16px;
    }

    body {
        padding-bottom: 140px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .section {
        padding: 70px 0;
    }

    .stats {
        gap: 0.75rem;
    }

    .stat-item h3,
    .stat-item .stat-value {
        font-size: 1.75rem;
    }

    .stat-value--tech {
        font-size: 1.15rem;
    }

    .contact-cta-row {
        gap: 10px;
    }

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