/*
 * Main Styles for Fadi MRIRI's Portfolio
 * Author: Fadi MRIRI
 * Version: 1.0
 */

/* ===== Base Styles ===== */
:root {
    /* Color Variables - Dark Theme (Default) */
    --primary-color: #4caf50;
    --primary-dark: #388e3c;
    --primary-light: #81c784;
    --secondary-color: #f5f5f5;
    --text-color: #333;
    --text-light: #f5f5f5;
    --background-dark: #0a0a0a;
    --background-card: rgba(255, 255, 255, 0.05);
    --glass-background: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow-color: rgba(0, 0, 0, 0.2);
    --gradient-start: #388e3c;
    --gradient-end: #4caf50;

    /* Accent Colors */
    --accent-blue: #2196f3;
    --accent-purple: #9c27b0;
    --accent-orange: #ff9800;
}

/* ===== Scrollbar Styling - Dark Mode ===== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
    transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}

/* Firefox scrollbar styling */
* {
    scrollbar-color: var(--primary-color) rgba(255, 255, 255, 0.05);
    scrollbar-width: thin;
}

/* Base Body Styles - Dark Theme Only */
body {
    background-color: #0a0a0a;
    color: #f5f5f5;
}

:root {
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;

    /* Border Radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Z-index layers */
    --z-background: -1;
    --z-normal: 1;
    --z-overlay: 10;
    --z-modal: 100;
    --z-navbar: 1000;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

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

body {
    font-family: 'Inter', 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    background-color: var(--background-dark);
    overflow-x: hidden;
    position: relative;
    transition: background-color 0.5s ease, color 0.5s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3.5rem;
    letter-spacing: -0.03em;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

h2 {
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    border-radius: var(--border-radius-sm);
}

h3 {
    font-size: 1.75rem;
    color: var(--primary-color);
}

h4 {
    font-size: 1.25rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-sm);
    font-family: 'Inter', sans-serif;
    line-height: 1.8;
    font-weight: 400;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all var(--transition-fast);
    position: relative;
    font-weight: 500;
}

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

a.text-link {
    position: relative;
    padding-bottom: 2px;
}

a.text-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--primary-color);
    transition: width var(--transition-normal);
}

a.text-link:hover::after {
    width: 100%;
}

code, pre {
    font-family: 'Roboto Mono', monospace;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 0.2em 0.4em;
    border-radius: var(--border-radius-sm);
    font-size: 0.9em;
}

ul, ol {
    list-style-position: inside;
    margin-bottom: var(--spacing-sm);
}

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

/* ===== Layout ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.section-header h2 {
    display: inline-block;
    position: relative;
    padding: 0 20px;
    margin-bottom: var(--spacing-md);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-header h2::before,
.section-header h2::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--primary-color));
}

.section-header h2::before {
    left: -20px;
    background: linear-gradient(to right, var(--primary-color), transparent);
}

.section-header h2::after {
    right: -20px;
    background: linear-gradient(to left, var(--primary-color), transparent);
}

.section-divider {
    height: 4px;
    width: 60px;
    background: var(--primary-color);
    margin: 0 auto;
    border-radius: var(--border-radius-sm);
    position: relative;
    overflow: hidden;
}

.section-divider::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    animation: shimmer 2s infinite;
}

section {
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 0.9rem 1.8rem;
    border-radius: 50px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    outline: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
    font-family: 'Montserrat', sans-serif;
}

.primary-btn {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.4);
}

.primary-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: all var(--transition-normal);
    z-index: -1;
}

.primary-btn:hover {
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.6);
    transform: translateY(-3px);
    color: white;
}

.primary-btn:hover::before {
    animation: shimmer 1.5s infinite;
}

.primary-btn:active {
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(76, 175, 80, 0.4);
}

.secondary-btn {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.1);
}

.secondary-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: rgba(76, 175, 80, 0.1);
    transition: width var(--transition-normal);
    z-index: -1;
}

.secondary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.2);
}

.secondary-btn:hover::before {
    width: 100%;
}

.secondary-btn:active {
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(76, 175, 80, 0.1);
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-navbar);
    padding: 1rem 2rem;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    background-color: rgba(10, 10, 10, 0.8);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-text {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: 'Poppins', sans-serif;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
}

.nav-menu li {
    margin-left: 1.5rem;
}

.nav-link {
    color: var(--text-light);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    transition: width var(--transition-normal);
}

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

.nav-link:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-light);
    margin: 3px 0;
    transition: var(--transition-normal);
    border-radius: var(--border-radius-sm);
}

/* ===== Hero Section ===== */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 80px;
}

/* Language Switcher */
.language-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    padding: 5px 10px;
    border-radius: 20px;
    backdrop-filter: blur(5px);
    z-index: 1001;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    opacity: 0.6;
    transition: all var(--transition-normal);
    padding: 5px 8px;
}

.lang-btn.active {
    opacity: 1;
    color: var(--primary-color);
}

.lang-separator {
    color: var(--text-light);
    opacity: 0.3;
    margin: 0 2px;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    width: 100%;
    padding: 0 var(--spacing-md);
    z-index: var(--z-normal);
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.name-container {
    position: relative;
    margin-bottom: var(--spacing-sm);
}

.name-underline {
    height: 4px;
    width: 80px;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    margin-top: 10px;
    border-radius: var(--border-radius-sm);
}

.hero-3d {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
}

.tech-sphere {
    position: relative;
    width: 300px;
    height: 300px;
}

.orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 300px;
    height: 300px;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(76, 175, 80, 0.1);
    border-radius: 50%;
    animation: orbit-rotate 20s linear infinite;
}

.orbit-icon {
    position: absolute;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(76, 175, 80, 0.3);
    transform: translate(-50%, -50%);
    top: 0;
    left: 50%;
    transform-origin: 150px 150px;
    animation: self-rotate 10s linear infinite;
}

.orbit-icon:nth-child(1) { transform: rotate(calc(60deg * var(--i))) translateX(150px) rotate(calc(-60deg * var(--i))); }
.orbit-icon:nth-child(2) { transform: rotate(calc(60deg * var(--i))) translateX(150px) rotate(calc(-60deg * var(--i))); }
.orbit-icon:nth-child(3) { transform: rotate(calc(60deg * var(--i))) translateX(150px) rotate(calc(-60deg * var(--i))); }
.orbit-icon:nth-child(4) { transform: rotate(calc(60deg * var(--i))) translateX(150px) rotate(calc(-60deg * var(--i))); }
.orbit-icon:nth-child(5) { transform: rotate(calc(60deg * var(--i))) translateX(150px) rotate(calc(-60deg * var(--i))); }
.orbit-icon:nth-child(6) { transform: rotate(calc(60deg * var(--i))) translateX(150px) rotate(calc(-60deg * var(--i))); }

.orbit-icon i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.title-container {
    margin: var(--spacing-sm) 0 var(--spacing-md);
    position: relative;
    display: flex;
    align-items: center;
}

.title {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.8rem;
    text-shadow: 0 2px 10px rgba(76, 175, 80, 0.3);
}

.typing-cursor {
    display: inline-block;
    width: 3px;
    height: 1.8rem;
    background-color: var(--primary-color);
    margin-left: 5px;
    animation: blink 1s infinite;
}

.tagline {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
    line-height: 1.6;
}

.fr-text {
    display: none;
}

.lang-fr .en-text {
    display: none;
}

.lang-fr .fr-text {
    display: inline-block;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

/* Glitch effect for hero title */
.glitch {
    position: relative;
    color: var(--text-light);
    letter-spacing: 2px;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    clip: rect(0, 0, 0, 0);
}

.glitch::before {
    left: 2px;
    text-shadow: -1px 0 var(--primary-color);
    animation: glitch-animation 2s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: 1px 0 var(--primary-light);
    animation: glitch-animation 3s infinite linear alternate-reverse;
}



/* ===== About Section ===== */
.about-section {
    background-color: rgba(10, 10, 10, 0.7);
}

.about-content {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: stretch;
    perspective: 1000px;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    gap: var(--spacing-lg);
}

.about-card {
    width: 100%;
    max-width: 48%;
    height: 450px;
    perspective: 1000px;
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s;
    transform-style: preserve-3d;
    cursor: pointer;
}

.about-card:hover .card-inner {
    transform: rotateY(180deg);
}

.card-front, .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.card-front {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-back {
    background: linear-gradient(145deg, rgba(30, 30, 30, 0.9), rgba(20, 20, 20, 0.9));
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    transform: rotateY(180deg);
    text-align: left;
    overflow-y: auto;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    position: relative;
    border: 1px solid rgba(76, 175, 80, 0.2);
}



.about-text {
    display: block;
    margin-bottom: var(--spacing-md);
    padding-right: 10px;
    width: 100%;
    line-height: 1.6;
    font-size: 1.05rem;
    max-width: 100%;
}

.about-subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    color: var(--primary-color);
}

.about-text p {
    margin-bottom: 1rem;
    display: block;
    text-align: justify;
}

.about-text::-webkit-scrollbar {
    width: 4px;
}

.about-text::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.about-text::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.profile-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    border: 3px solid var(--primary-color);
    box-shadow: 0 0 20px rgba(76, 175, 80, 0.3);
}

.profile-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    font-size: 3rem;
    font-weight: bold;
}

.contact-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 0 20px rgba(76, 175, 80, 0.3);
}

.contact-section {
    margin-bottom: var(--spacing-md);
    width: 100%;
    background: linear-gradient(145deg, rgba(40, 40, 40, 0.5), rgba(30, 30, 30, 0.5));
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(76, 175, 80, 0.1);
}

.info-item {
    display: flex;
    align-items: center;
    margin: var(--spacing-md) 0;
    font-size: 1.05rem;
    flex-wrap: wrap;
}

.info-item i {
    margin-right: var(--spacing-md);
    color: var(--primary-color);
    font-size: 1.2rem;
    min-width: 20px;
    text-align: center;
}

.languages {
    width: 100%;
    margin-top: var(--spacing-lg);
    background: linear-gradient(145deg, rgba(40, 40, 40, 0.5), rgba(30, 30, 30, 0.5));
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(76, 175, 80, 0.1);
}

.languages h4 {
    margin-bottom: 1.2rem;
    color: var(--primary-color);
    font-size: 1.2rem;
    position: relative;
    display: inline-block;
}

.languages h4::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.language-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: var(--spacing-sm) 0;
    font-size: 1.05rem;
}

.language-level {
    padding: 4px 12px;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
}

.native {
    background-color: rgba(76, 175, 80, 0.2);
    color: var(--primary-light);
}

.advanced {
    background-color: rgba(76, 175, 80, 0.15);
    color: var(--primary-light);
}

.intermediate {
    background-color: rgba(76, 175, 80, 0.1);
    color: var(--primary-light);
}

.memberships {
    width: 100%;
    margin-top: var(--spacing-lg);
}

.memberships h4 {
    margin-bottom: 1.2rem;
    color: var(--primary-color);
    font-size: 1.2rem;
    position: relative;
    display: inline-block;
}

.memberships h4::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.membership-item {
    display: flex;
    align-items: flex-start;
    margin: var(--spacing-md) 0;
    gap: var(--spacing-sm);
}

.membership-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-top: 3px;
}

.membership-details h5 {
    font-size: 1rem;
    margin-bottom: 3px;
    color: var(--text-light);
}

.membership-details p {
    font-size: 0.85rem;
    opacity: 0.7;
    margin: 0;
}

/* ===== Skills Section ===== */
.skills-section {
    background-color: rgba(10, 10, 10, 0.9);
}

.skills-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.skills-category h3 {
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
    text-align: center;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--spacing-md);
    justify-items: center;
}

.skill-item {
    width: 120px;
    height: 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transform-style: preserve-3d;
    transform: perspective(500px) rotateX(0deg) rotateY(0deg);
}

.skill-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent, rgba(76, 175, 80, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.skill-item:hover {
    transform: perspective(500px) rotateX(10deg) rotateY(10deg);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.skill-item:hover::before {
    transform: translateX(100%);
}

.skill-item i {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-color);
    transition: all var(--transition-normal);
}

.skill-item span {
    font-size: 0.9rem;
    text-align: center;
    transition: all var(--transition-normal);
}

.skill-proficiency {
    margin-top: 8px;
    width: 80%;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.proficiency-level {
    height: 100%;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    border-radius: 2px;
}

.expert {
    width: 95%;
}

.advanced {
    width: 85%;
}

.intermediate {
    width: 70%;
}

.beginner {
    width: 50%;
}

.skill-item:hover i {
    transform: translateZ(20px);
}

.skill-item:hover span {
    transform: translateZ(15px);
}

/* ===== Projects Section ===== */
.projects-section {
    background-color: rgba(10, 10, 10, 0.7);
}

.projects-content {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    justify-items: center;
}

/* ===== FLIP CARD - CORRECTED IMPLEMENTATION ===== */

/* Container: Establishes perspective context */
.project-card {
    width: 100%;
    height: 300px;
    perspective: 1000px;
    -webkit-perspective: 1000px;
    /* Remove conflicting transform - let perspective work naturally */
    /* DO NOT use transform: translateZ(0) on perspective container */
}

/* Inner wrapper: Performs the actual 3D rotation */
.project-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    transform-style: preserve-3d;
    -webkit-transform-style: preserve-3d;
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.project-card:hover .project-card-inner {
    transform: rotateY(180deg);
}

/* CRITICAL FIX: Front and back faces - proper z-index and backface handling */
.project-card-front, .project-card-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    /* Remove z-index from faces - backface-visibility handles layering */
}

.project-card-front {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    /* Front face is visible initially (default transform: none) */
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

.project-card-back {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    /* Back face starts hidden, rotated 180deg */
    transform: rotateY(180deg);
    -webkit-transform: rotateY(180deg);
}

.project-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: var(--spacing-sm) 0;
    justify-content: center;
}

.tech-tag {
    padding: 4px 10px;
    background-color: rgba(76, 175, 80, 0.2);
    color: var(--primary-light);
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
}

.project-links {
    margin-top: var(--spacing-md);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 15px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
}

.project-link:hover {
    background-color: rgba(76, 175, 80, 0.2);
}

/* ===== Experience Section ===== */
.experience-section {
    background-color: rgba(10, 10, 10, 0.9);
}

.experience-content {
    display: flex;
    justify-content: center;
}

.timeline {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.timeline::before {
    content: '';
    position: absolute;
    width: 2px;
    background: linear-gradient(to bottom, var(--gradient-start), var(--gradient-end));
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.timeline-item {
    padding: var(--spacing-md) 0;
    position: relative;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
}

.timeline-dot {
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: var(--primary-color);
    border-radius: 50%;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    box-shadow: 0 0 10px rgba(76, 175, 80, 0.5);
}

.timeline-date {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(76, 175, 80, 0.2);
    padding: 5px 15px;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    color: var(--primary-light);
    z-index: 2;
    white-space: nowrap;
}

.timeline-company {
    width: 45%;
    padding: var(--spacing-md);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: right;
    transform: perspective(1000px) rotateY(0deg);
    transition: all var(--transition-normal);
    margin-right: var(--spacing-md);
}

.timeline-company:hover {
    transform: perspective(1000px) rotateY(-5deg);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.timeline-content {
    width: 45%;
    padding: var(--spacing-md);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-left: var(--spacing-md);
    transform: perspective(1000px) rotateY(0deg);
    transition: all var(--transition-normal);
}

.timeline-content:hover {
    transform: perspective(1000px) rotateY(5deg);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

/* Ensure project details are responsive */
.project-details {
    width: 100%;
    overflow-x: hidden;
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

.timeline-content h4 {
    margin-bottom: var(--spacing-sm);
    opacity: 0.8;
}

.timeline-content ul {
    list-style-type: none;
}

.timeline-content li {
    margin-bottom: 5px;
    position: relative;
    padding-left: 20px;
}

.timeline-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background-color: var(--primary-color);
    border-radius: 50%;
}

/* Project Details in Timeline */
.project-details {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-md);
    border-left: 3px solid var(--primary-color);
    transition: all var(--transition-normal);
}

.project-details:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(5px);
}

.project-title {
    font-size: 1.1rem;
    color: var(--primary-light);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    display: flex;
    align-items: center;
}

.project-title::before {
    content: '→';
    margin-right: 8px;
    color: var(--primary-color);
    font-weight: bold;
}

.tech-stack-small {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: var(--spacing-sm);
    width: 100%;
}

.tech-stack-small .tech-tag {
    padding: 2px 8px;
    background-color: rgba(76, 175, 80, 0.1);
    color: var(--primary-light);
    border-radius: var(--border-radius-sm);
    font-size: 0.7rem;
    font-family: 'Roboto Mono', monospace;
    letter-spacing: 0;
    white-space: nowrap;
    margin-bottom: 4px;
}

/* ===== Personal Projects Section ===== */
.personal-projects-section {
    background-color: rgba(10, 10, 10, 0.9);
}

.personal-projects-content {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.personal-project-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.personal-project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(76, 175, 80, 0.3);
}

.personal-project-header {
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.personal-project-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.personal-project-title {
    flex: 1;
}

.personal-project-title h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--primary-light);
}

.project-status {
    display: flex;
    gap: 5px;
}

.status-badge {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 500;
}

.in-progress {
    background-color: rgba(255, 193, 7, 0.2);
    color: #ffc107;
}

.completed {
    background-color: rgba(76, 175, 80, 0.2);
    color: var(--primary-light);
}

.personal-project-body {
    padding: var(--spacing-md);
    flex: 1;
}

.personal-project-body p {
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
    line-height: 1.5;
}

.project-metrics {
    margin-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.metric-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
}

.metric-item i {
    color: var(--primary-color);
    font-size: 0.9rem;
    width: 16px;
    text-align: center;
}

.personal-project-footer {
    padding: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: flex-end;
}

/* ===== Education Section ===== */
.education-section {
    background-color: rgba(10, 10, 10, 0.7);
}

.education-content {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.education-container, .certifications-container {
    flex: 1;
    min-width: 300px;
}

.education-container h3, .certifications-container h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.education-item, .certification-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
    transform: translateY(0);
}

.education-item:hover, .certification-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.education-icon, .certification-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-right: var(--spacing-sm);
}

.education-details, .certification-details {
    flex: 1;
}

.education-details h4, .certification-details h4 {
    margin-bottom: 5px;
}

.education-details p, .certification-details p {
    opacity: 0.8;
    font-size: 0.9rem;
}

.education-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
}

.metric {
    background-color: rgba(76, 175, 80, 0.15);
    color: var(--primary-light);
    padding: 3px 10px;
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
}

/* Certificate Actions */
.cert-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.cert-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

.cert-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.4);
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
}

.cert-btn:active {
    transform: translateY(0);
}

.cert-btn i {
    font-size: 1rem;
}

.relevant-coursework {
    margin-top: 12px;
}

.relevant-coursework h5 {
    font-size: 0.9rem;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.coursework-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.coursework-tag {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-light);
    padding: 3px 10px;
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    border: 1px solid rgba(76, 175, 80, 0.2);
    transition: all var(--transition-fast);
}

.coursework-tag:hover {
    background-color: rgba(76, 175, 80, 0.1);
    transform: translateY(-2px);
}

.cert-description {
    margin-top: 8px;
    font-size: 0.85rem;
    opacity: 0.9;
    line-height: 1.4;
}

.cert-description p {
    margin-bottom: 0;
    font-style: italic;
}

.cert-link {
    margin-top: 8px;
}

.cert-link a {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.85rem;
    color: var(--primary-color);
    transition: all var(--transition-fast);
}

.cert-link a:hover {
    text-decoration: underline;
    opacity: 0.9;
}

/* ===== Contact Section ===== */
.contact-section {
    background-color: rgba(10, 10, 10, 0.9);
}

.contact-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.contact-info {
    max-width: 600px;
    width: 100%;
}

.contact-form {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-field {
    position: relative;
    margin-bottom: var(--spacing-sm);
}

.form-field input, .form-field textarea {
    width: 100%;
    padding: 10px 0;
    font-size: 1rem;
    color: var(--text-light);
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    outline: none;
    transition: all var(--transition-normal);
}

.form-field textarea {
    min-height: 100px;
    resize: vertical;
}

.form-field label {
    position: absolute;
    top: 10px;
    left: 0;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    pointer-events: none;
    transition: all var(--transition-normal);
}

.form-field input:focus ~ label,
.form-field input:valid ~ label,
.form-field textarea:focus ~ label,
.form-field textarea:valid ~ label {
    top: -20px;
    font-size: 0.8rem;
    color: var(--primary-color);
}

.form-field-bar {
    position: relative;
    display: block;
    width: 100%;
}

.form-field-bar::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--gradient-start), var(--gradient-end));
    transition: all var(--transition-normal);
}

.form-field input:focus ~ .form-field-bar::before,
.form-field textarea:focus ~ .form-field-bar::before {
    width: 100%;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    padding: var(--spacing-md);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.contact-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-right: var(--spacing-md);
}

.contact-details {
    flex: 1;
}

.contact-details h4 {
    margin-bottom: 5px;
    color: var(--primary-light);
}

.contact-details a {
    display: block;
    margin-bottom: 5px;
    color: var(--text-light);
    opacity: 0.8;
    transition: all var(--transition-fast);
}

.contact-details a:hover {
    color: var(--primary-color);
    opacity: 1;
}

/* ===== Footer ===== */
.footer {
    background-color: rgba(0, 0, 0, 0.5);
    padding: var(--spacing-md);
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-logo {
    font-size: 1.5rem;
}

.footer-text {
    opacity: 0.7;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    transition: all var(--transition-normal);
}

.footer-social a:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* ===== Media Queries ===== */
@media (max-width: 1200px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
        align-items: center;
    }

    .about-card {
        max-width: 100%;
        margin-bottom: var(--spacing-lg);
    }
}
/* Certificate Modal Styles */
.cert-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease-in-out;
}

.cert-modal.active {
    display: flex;
}

.cert-modal-content {
    background: var(--background-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 900px;
    height: 85vh;
    max-height: 800px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    animation: slideUp 0.3s ease-out;
}

.cert-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--glass-border);
}

.cert-modal-header h3 {
    color: var(--primary-color);
    margin: 0;
}

.cert-modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-light);
    cursor: pointer;
    transition: all var(--transition-normal);
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-md);
}

.cert-modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-color);
}

.cert-modal-body {
    flex: 1;
    overflow: hidden;
    padding: var(--spacing-md);
}

.cert-modal-body iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: var(--border-radius-md);
    background: white;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

/* Responsive Modal */
@media (max-width: 768px) {
    .cert-modal-content {
        width: 95%;
        height: 90vh;
        max-height: 100%;
    }

    .cert-modal-header {
        padding: var(--spacing-sm);
    }

    .cert-modal-body {
        padding: var(--spacing-sm);
    }
}