/* ===================================
   Mohamed Yusri Portfolio - Main Styles
   =================================== */

/* ===== CSS Variables & Themes ===== */
:root {
    /* Font Families */
    --font-ar: 'Cairo', sans-serif;
    --font-en: 'Poppins', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 5px 20px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.3);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --radius-full: 50%;
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;
}

/* Dark Theme (Default) */
[data-theme="dark"] {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: #15151f;
    --bg-card-hover: #1e1e2a;
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6a6a7a;
    
    --accent-primary: #d4af37;
    --accent-secondary: #f4d35e;
    --accent-gradient: linear-gradient(135deg, #d4af37, #f4d35e);
    
    --border-color: rgba(255, 255, 255, 0.1);
    --border-color-light: rgba(255, 255, 255, 0.05);
    
    --overlay-dark: rgba(10, 10, 15, 0.9);
    --overlay-medium: rgba(10, 10, 15, 0.7);
    
    --glow-primary: rgba(212, 175, 55, 0.3);
    --glow-secondary: rgba(212, 175, 55, 0.1);
    
    --particles-color: #d4af37;
    --particles-lines: rgba(212, 175, 55, 0.2);
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #f0f1f3;
    --bg-card: #ffffff;
    --bg-card-hover: #f5f5f7;
    
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a5a;
    --text-muted: #8a8a9a;
    
    --accent-primary: #b8860b;
    --accent-secondary: #daa520;
    --accent-gradient: linear-gradient(135deg, #b8860b, #daa520);
    
    --border-color: rgba(0, 0, 0, 0.1);
    --border-color-light: rgba(0, 0, 0, 0.05);
    
    --overlay-dark: rgba(255, 255, 255, 0.95);
    --overlay-medium: rgba(255, 255, 255, 0.8);
    
    --glow-primary: rgba(184, 134, 11, 0.3);
    --glow-secondary: rgba(184, 134, 11, 0.1);
    
    --particles-color: #b8860b;
    --particles-lines: rgba(184, 134, 11, 0.15);
}

/* Navy Theme */
[data-theme="navy"] {
    --bg-primary: #0d1b2a;
    --bg-secondary: #1b263b;
    --bg-tertiary: #243447;
    --bg-card: #162234;
    --bg-card-hover: #1e3048;
    
    --text-primary: #ffffff;
    --text-secondary: #a8b2c3;
    --text-muted: #6b7a8f;
    
    --accent-primary: #00b4d8;
    --accent-secondary: #48cae4;
    --accent-gradient: linear-gradient(135deg, #00b4d8, #48cae4);
    
    --border-color: rgba(255, 255, 255, 0.1);
    --border-color-light: rgba(255, 255, 255, 0.05);
    
    --overlay-dark: rgba(13, 27, 42, 0.95);
    --overlay-medium: rgba(13, 27, 42, 0.8);
    
    --glow-primary: rgba(0, 180, 216, 0.3);
    --glow-secondary: rgba(0, 180, 216, 0.1);
    
    --particles-color: #00b4d8;
    --particles-lines: rgba(0, 180, 216, 0.2);
}

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

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

body {
    font-family: var(--font-ar);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

[lang="en"] body,
[lang="en"] * {
    font-family: var(--font-en);
}

[dir="rtl"] {
    direction: rtl;
    text-align: right;
}

[dir="ltr"] {
    direction: ltr;
    text-align: left;
}

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

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: var(--section-padding);
    position: relative;
}

/* ===== Loader ===== */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

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

.logo-loader {
    width: 100px;
    height: 100px;
    border: 3px solid var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    position: relative;
    animation: logoRotate 2s ease-in-out infinite;
}

.logo-loader::before {
    content: '';
    position: absolute;
    inset: -3px;
    border: 3px solid transparent;
    border-top-color: var(--accent-primary);
    border-radius: var(--radius-lg);
    animation: spin 1s linear infinite;
}

.logo-text {
    font-size: 2rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.loader-bar {
    width: 200px;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.loader-progress {
    width: 0%;
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 2px;
    animation: loadProgress 2s ease-in-out forwards;
}

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

@keyframes logoRotate {
    0%, 100% { transform: rotate(-5deg); }
    50% { transform: rotate(5deg); }
}

@keyframes loadProgress {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

/* ===== Particles Background ===== */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: var(--overlay-dark);
    backdrop-filter: blur(20px);
    padding: 15px 0;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo-icon {
    width: 45px;
    height: 45px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: 1.2rem;
}

.logo-name {
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 5px;
}

.nav-link {
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    transition: all var(--transition-fast);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width var(--transition-fast);
    border-radius: 1px;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 30px;
}

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

/* Theme Switcher */
.theme-switcher,
.lang-switcher {
    position: relative;
}

.theme-btn,
.lang-btn {
    width: 45px;
    height: 45px;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 1.1rem;
    transition: all var(--transition-fast);
}

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

.lang-btn {
    width: auto;
    padding: 0 15px;
    gap: 8px;
}

.current-lang {
    font-weight: 600;
    font-size: 0.9rem;
}

.theme-dropdown,
.lang-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 150px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-lg);
}

[dir="ltr"] .theme-dropdown,
[dir="ltr"] .lang-dropdown {
    right: auto;
    left: 0;
}

.theme-dropdown.active,
.lang-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.theme-option,
.lang-option {
    width: 100%;
    padding: 10px 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    font-size: 0.95rem;
}

.theme-option:hover,
.lang-option:hover {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
}

.lang-code {
    margin-right: auto;
    font-weight: 600;
    color: var(--text-muted);
}

[dir="ltr"] .lang-code {
    margin-right: 0;
    margin-left: auto;
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    width: 45px;
    height: 45px;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    position: relative;
}

.hamburger {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    transition: all var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    left: 0;
    transition: all var(--transition-fast);
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    bottom: -7px;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 30px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--bg-primary);
    box-shadow: 0 5px 20px var(--glow-primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--glow-primary);
}

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

.btn-outline:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    transform: translateY(-3px);
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.1rem;
}

.btn-icon {
    transition: transform var(--transition-fast);
}

[dir="rtl"] .btn:hover .btn-icon {
    transform: translateX(-5px);
}

[dir="ltr"] .btn:hover .btn-icon {
    transform: translateX(5px);
}

/* ===== Section Header ===== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--glow-secondary);
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-xl);
    color: var(--accent-primary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-line {
    width: 80px;
    height: 4px;
    background: var(--accent-gradient);
    margin: 0 auto;
    border-radius: 2px;
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, var(--glow-secondary) 0%, transparent 70%);
}

.floating-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: var(--radius-full);
    opacity: 0.1;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--accent-gradient);
    top: 10%;
    right: -10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--accent-primary);
    bottom: 20%;
    left: -5%;
    animation-delay: 2s;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: var(--accent-secondary);
    top: 50%;
    left: 30%;
    animation-delay: 4s;
}

.shape-4 {
    width: 150px;
    height: 150px;
    background: var(--accent-gradient);
    bottom: 10%;
    right: 20%;
    animation-delay: 6s;
}

.shape-5 {
    width: 100px;
    height: 100px;
    background: var(--accent-primary);
    top: 20%;
    left: 10%;
    animation-delay: 8s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(20px, -30px) rotate(5deg); }
    50% { transform: translate(-20px, 20px) rotate(-5deg); }
    75% { transform: translate(30px, 10px) rotate(3deg); }
}

.hero-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    margin-bottom: 25px;
    animation: fadeInUp 0.8s ease;
}

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

.hero-title {
    margin-bottom: 25px;
}

.greeting {
    display: block;
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.name {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
}

.name-highlight {
    display: inline-block;
    background: linear-gradient(180deg, var(--text-primary) 50%, transparent 50%);
    -webkit-background-clip: text;
}

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

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.typed-text {
    color: var(--accent-primary);
    font-weight: 600;
    min-width: 100px;
}

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

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

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 35px;
    max-width: 500px;
}

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

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

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

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
}

.hero-image-frame {
    position: relative;
    width: 400px;
    height: 450px;
    margin: 0 auto;
}

.frame-corner {
    position: absolute;
    width: 60px;
    height: 60px;
    border: 3px solid var(--accent-primary);
}

.frame-corner.top-left {
    top: 0;
    left: 0;
    border-right: none;
    border-bottom: none;
}

.frame-corner.top-right {
    top: 0;
    right: 0;
    border-left: none;
    border-bottom: none;
}

.frame-corner.bottom-left {
    bottom: 0;
    left: 0;
    border-right: none;
    border-top: none;
}

.frame-corner.bottom-right {
    bottom: 0;
    right: 0;
    border-left: none;
    border-top: none;
}

.hero-image {
    position: absolute;
    inset: 30px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    color: var(--accent-primary);
}

.image-placeholder i {
    font-size: 4rem;
    opacity: 0.5;
}

.image-placeholder span {
    font-size: 3rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.floating-elements {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.float-element {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
    animation: floatElement 4s ease-in-out infinite;
}

.el-1 {
    top: 10%;
    left: -20px;
    animation-delay: 0s;
}

.el-2 {
    top: 50%;
    right: -20px;
    animation-delay: 1s;
}

.el-3 {
    bottom: 10%;
    left: 20%;
    animation-delay: 2s;
}

@keyframes floatElement {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-down {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.scroll-down:hover {
    color: var(--accent-primary);
}

.scroll-arrow {
    animation: scrollBounce 2s ease-in-out infinite;
}

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

/* ===== About Section ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about-img-wrapper {
    position: relative;
}

.about-img-bg {
    position: absolute;
    top: 20px;
    right: 20px;
    width: calc(100% - 20px);
    height: calc(100% - 20px);
    border: 3px solid var(--accent-primary);
    border-radius: var(--radius-lg);
    z-index: -1;
}

[dir="ltr"] .about-img-bg {
    right: auto;
    left: 20px;
}

.about-img-main {
    width: 100%;
    aspect-ratio: 4/5;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder.large {
    font-size: 6rem;
}

.image-placeholder.large i {
    font-size: 6rem;
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--accent-gradient);
    padding: 20px 30px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

[dir="ltr"] .experience-badge {
    left: auto;
    right: -20px;
}

.exp-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--bg-primary);
}

.exp-text {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--bg-primary);
}

.about-heading {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.4;
}

.about-description,
.about-description-2 {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 30px 0;
    padding: 30px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.info-icon {
    width: 45px;
    height: 45px;
    min-width: 45px;
    background: var(--glow-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
}

.info-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 3px;
}

.info-value {
    font-weight: 600;
    color: var(--text-primary);
}

.info-value.email {
    font-size: 0.9rem;
}

.about-cta {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* ===== Services Section ===== */
.services {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 35px;
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

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

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

.service-card.featured {
    border-color: var(--accent-primary);
    background: linear-gradient(180deg, var(--glow-secondary), var(--bg-card) 50%);
}

.featured-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 5px 12px;
    background: var(--accent-gradient);
    color: var(--bg-primary);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

[dir="ltr"] .featured-badge {
    right: auto;
    left: 15px;
}

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

.service-icon i {
    position: relative;
    z-index: 1;
    font-size: 2.2rem;
    color: var(--accent-primary);
    line-height: 80px;
}

.icon-bg {
    position: absolute;
    inset: 0;
    background: var(--glow-secondary);
    border-radius: var(--radius-full);
    transition: transform var(--transition-normal);
}

.service-card:hover .icon-bg {
    transform: scale(1.1);
}

.service-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.service-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.service-features span {
    padding: 5px 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.services-cta {
    text-align: center;
    margin-top: 60px;
}

.services-cta p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

/* ===== Portfolio Section ===== */
.portfolio-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 25px;
    border-radius: var(--radius-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--accent-gradient);
    border-color: var(--accent-primary);
    color: var(--bg-primary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 1;
    cursor: pointer;
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-img {
    width: 100%;
    height: 100%;
    position: relative;
}

.portfolio-placeholder {
    width: 100%;
    height: 100%;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-slow);
}

.portfolio-placeholder i {
    font-size: 4rem;
    color: var(--accent-primary);
    opacity: 0.3;
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: var(--overlay-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover .portfolio-placeholder {
    transform: scale(1.1);
}

.overlay-content {
    text-align: center;
    transform: translateY(20px);
    transition: transform var(--transition-normal);
}

.portfolio-item:hover .overlay-content {
    transform: translateY(0);
}

.overlay-content h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.overlay-content span {
    color: var(--accent-primary);
    font-size: 0.9rem;
}

.overlay-actions {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 15px;
}

.overlay-btn {
    width: 45px;
    height: 45px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

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

.portfolio-more {
    text-align: center;
    margin-top: 50px;
}

/* ===== Testimonials Section ===== */
.testimonials {
    background: var(--bg-secondary);
}

.testimonials-slider {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.testimonial-card {
    display: none;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    opacity: 0;
    transform: translateX(50px);
    transition: all var(--transition-normal);
}

.testimonial-card.active {
    display: block;
    opacity: 1;
    transform: translateX(0);
}

.quote-icon {
    width: 60px;
    height: 60px;
    background: var(--glow-secondary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: var(--accent-primary);
    font-size: 1.5rem;
}

.testimonial-text {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 30px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
}

.author-avatar {
    width: 60px;
    height: 60px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 1.5rem;
}

.author-info h4 {
    font-weight: 700;
    margin-bottom: 3px;
}

.author-info span {
    color: var(--accent-primary);
    font-size: 0.9rem;
}

.testimonial-rating {
    color: var(--accent-primary);
    font-size: 1.1rem;
}

.testimonial-rating i {
    margin: 0 2px;
}

.testimonials-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.nav-arrow {
    width: 45px;
    height: 45px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.nav-arrow:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

.testimonials-dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 10px;
    height: 10px;
    background: var(--border-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dot.active {
    background: var(--accent-primary);
    width: 30px;
    border-radius: 5px;
}

/* ===== Contact Section ===== */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    height: 100%;
}

.info-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.info-card > p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.contact-details {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.contact-item:last-child {
    border-bottom: none;
}

.contact-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: var(--glow-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 1.2rem;
}

.contact-text .label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 3px;
}

.contact-text a,
.contact-text span:not(.label) {
    font-weight: 600;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.contact-text a:hover {
    color: var(--accent-primary);
}

.social-links h4 {
    font-size: 1.1rem;
    margin-bottom: 15px;
}

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

.social-icon {
    width: 45px;
    height: 45px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: all var(--transition-fast);
}

.social-icon:hover {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: var(--bg-primary);
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.full {
    grid-column: span 2;
}

.form-group label {
    font-weight: 600;
    font-size: 0.95rem;
}

.input-wrapper {
    position: relative;
}

.input-wrapper i {
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

[dir="ltr"] .input-wrapper i {
    right: auto;
    left: 15px;
}

.input-wrapper input,
.input-wrapper select,
.input-wrapper textarea {
    width: 100%;
    padding: 15px 45px 15px 15px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

[dir="ltr"] .input-wrapper input,
[dir="ltr"] .input-wrapper select,
[dir="ltr"] .input-wrapper textarea {
    padding: 15px 15px 15px 45px;
}

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

.input-wrapper input:focus + i,
.input-wrapper select:focus + i,
.input-wrapper textarea:focus + i,
.input-wrapper:has(input:focus) i,
.input-wrapper:has(select:focus) i,
.input-wrapper:has(textarea:focus) i {
    color: var(--accent-primary);
}

.input-wrapper textarea {
    resize: none;
}

.input-wrapper:has(textarea) i {
    top: 18px;
    transform: none;
}

.input-wrapper select {
    cursor: pointer;
    appearance: none;
}

.submit-btn {
    grid-column: span 2;
    justify-self: start;
}

[dir="ltr"] .submit-btn {
    justify-self: end;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-secondary);
    position: relative;
    padding-top: 0;
}

.footer-wave {
    color: var(--bg-tertiary);
    margin-bottom: -1px;
}

.footer-wave svg {
    display: block;
    width: 100%;
}

.footer-content {
    background: var(--bg-tertiary);
    padding: 60px 0;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.footer-brand p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.footer-links h4,
.footer-services h4,
.footer-contact h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--accent-primary);
}

.footer-links ul li,
.footer-services ul li {
    margin-bottom: 12px;
}

.footer-links ul a,
.footer-services ul a {
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.footer-links ul a:hover,
.footer-services ul a:hover {
    color: var(--accent-primary);
    padding-right: 10px;
}

[dir="ltr"] .footer-links ul a:hover,
[dir="ltr"] .footer-services ul a:hover {
    padding-right: 0;
    padding-left: 10px;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.footer-contact-item i {
    color: var(--accent-primary);
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.footer-bottom {
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== Back to Top ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 999;
    box-shadow: var(--shadow-md);
}

[dir="ltr"] .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);
    box-shadow: var(--shadow-lg);
}

/* ===== Lightbox ===== */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all var(--transition-fast);
}

.lightbox-close:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: var(--radius-md);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all var(--transition-fast);
}

.lightbox-nav.prev {
    right: 20px;
}

.lightbox-nav.next {
    left: 20px;
}

[dir="ltr"] .lightbox-nav.prev {
    right: auto;
    left: 20px;
}

[dir="ltr"] .lightbox-nav.next {
    left: auto;
    right: 20px;
}

.lightbox-nav:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
    .hero-container {
        gap: 40px;
    }
    
    .hero-image-frame {
        width: 350px;
        height: 400px;
    }
    
    .name {
        font-size: 3rem;
    }
}

@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 300px;
        height: 100vh;
        background: var(--bg-secondary);
        padding: 100px 30px 30px;
        transform: translateX(100%);
        transition: transform var(--transition-normal);
        z-index: 998;
    }
    
    [dir="ltr"] .nav-menu {
        right: auto;
        left: 0;
        transform: translateX(-100%);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-list {
        flex-direction: column;
        gap: 10px;
    }
    
    .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .hero-image-frame {
        width: 300px;
        height: 350px;
        margin: 0 auto;
    }
    
    .hero-description {
        margin: 0 auto 35px;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-subtitle {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-img-wrapper {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-main {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .section {
        padding: 70px 0;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .name {
        font-size: 2.5rem;
    }
    
    .greeting {
        font-size: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 25px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: 30px;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .form-group.full {
        grid-column: span 1;
    }
    
    .submit-btn {
        grid-column: span 1;
        width: 100%;
    }
    
    .about-info {
        grid-template-columns: 1fr;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 15px;
    }
    
    .nav-actions {
        gap: 5px;
    }
    
    .theme-btn,
    .lang-btn,
    .nav-toggle {
        width: 40px;
        height: 40px;
    }
    
    .lang-btn {
        padding: 0 10px;
    }
    
    .hero {
        padding-top: 80px;
    }
    
    .hero-image-frame {
        width: 250px;
        height: 280px;
    }
    
    .name {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .about-cta {
        flex-direction: column;
    }
    
    .about-cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    .experience-badge {
        padding: 15px 20px;
    }
    
    .exp-number {
        font-size: 2rem;
    }
}