/* ==========================================
   CSS RESET & VARIABLE SYSTEM
   ========================================== */
:root {
    /* Color Palette (Dark Theme Default) */
    --bg-primary: #0a0f1d;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.04);
    --border-glass: rgba(255, 255, 255, 0.1);
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    /* Accent & Gradients */
    --accent-primary: #6366f1; /* Indigo */
    --accent-secondary: #8b5cf6; /* Purple */
    --accent-cyan: #06b6d4; /* Cyan */
    --accent-emerald: #10b981; /* Emerald */
    --accent-rose: #f43f5e; /* Rose */
    
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
    --gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.3) 0%, rgba(139, 92, 246, 0.3) 100%);
    --gradient-text: linear-gradient(135deg, #818cf8 0%, #c084fc 50%, #f472b6 100%);

    /* UI Measurements & Effects */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-code: 'Fira Code', monospace;
    
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.35);

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-glass: rgba(255, 255, 255, 0.65);
    --border-glass: rgba(0, 0, 0, 0.08);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --gradient-text: linear-gradient(135deg, #4f46e5 0%, #9333ea 50%, #db2777 100%);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 24px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(79, 70, 229, 0.25);
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
    position: relative;
}

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

ul {
    list-style: none;
}

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

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

/* Layout Utilities */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

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

/* Glassmorphism Card Style */
.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-lg);
}

/* Background Ambient Glows */
.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    z-index: 0;
    pointer-events: none;
    opacity: 0.45;
}

.blob-1 {
    width: 450px;
    height: 450px;
    background: var(--accent-primary);
    top: -100px;
    left: -150px;
    animation: floatBlob 18s ease-in-out infinite alternate;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: var(--accent-secondary);
    bottom: 10%;
    right: -200px;
    animation: floatBlob 22s ease-in-out infinite alternate-reverse;
}

.blob-3 {
    width: 350px;
    height: 350px;
    background: var(--accent-cyan);
    top: 40%;
    left: 40%;
    animation: floatBlob 15s ease-in-out infinite alternate;
}

@keyframes floatBlob {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(60px, 40px) scale(1.15); }
}

/* Buttons System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.5);
}

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

.btn-outline:hover {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-3px);
}

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

.section-subtitle {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-primary);
    margin-bottom: 8px;
    display: block;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
}

.title-underline {
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 15px auto 0;
    border-radius: var(--radius-full);
}

/* ==========================================
   HEADER / NAVBAR
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 20px 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    padding: 12px 0;
    background: rgba(10, 15, 29, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    box-shadow: var(--shadow-md);
}

[data-theme="light"] .navbar.scrolled {
    background: rgba(248, 250, 252, 0.85);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
}

.logo-icon {
    color: var(--accent-primary);
    font-family: var(--font-code);
}

.logo-text .highlight {
    color: var(--accent-secondary);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-fast);
    border-radius: var(--radius-full);
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-toggle {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    transform: rotate(15deg) scale(1.05);
    border-color: var(--accent-primary);
}

.icon-light { display: none; }
[data-theme="light"] .icon-dark { display: none; }
[data-theme="light"] .icon-light { display: inline-block; color: #f59e0b; }

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: all var(--transition-normal);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    padding-top: 170px;
    padding-bottom: 80px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--accent-emerald);
    margin-bottom: 24px;
    font-weight: 500;
}

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

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 12px;
}

.hero-subtitle {
    font-size: 1.8rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-weight: 600;
}

.typing-text {
    color: var(--accent-cyan);
}

.cursor {
    display: inline-block;
    background-color: var(--accent-cyan);
    margin-left: 2px;
    animation: blink 1s infinite;
}

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

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 35px;
    max-width: 520px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

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

.social-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.social-btn:hover {
    color: var(--text-primary);
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.15);
    transform: translateY(-4px);
}

/* Hero Visual / Code Window */
.profile-card-wrapper {
    position: relative;
}

.profile-card {
    padding: 24px;
    border-radius: var(--radius-lg);
    position: relative;
}

.code-window {
    background: rgba(10, 15, 29, 0.85);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-glass);
}

.code-header {
    background: rgba(255, 255, 255, 0.05);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.code-header .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.code-title {
    margin-left: auto;
    font-family: var(--font-code);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.code-content {
    padding: 20px;
    font-family: var(--font-code);
    font-size: 0.9rem;
    line-height: 1.6;
    overflow-x: auto;
    color: #e2e8f0;
}

.keyword { color: #f472b6; }
.variable { color: #38bdf8; }
.property { color: #a78bfa; }
.string { color: #34d399; }
.boolean { color: #fbbf24; }
.number { color: #f87171; }
.method { color: #60a5fa; }

.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: floatBadge 4s ease-in-out infinite alternate;
}

.badge-1 {
    top: -20px;
    right: -10px;
}

.badge-2 {
    bottom: -25px;
    left: -15px;
    animation-delay: 2s;
}

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

.badge-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.1rem;
}

.badge-text {
    display: flex;
    flex-direction: column;
}

.badge-text strong {
    font-size: 1.1rem;
    line-height: 1;
}

.badge-text span {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* ==========================================
   STATS SECTION
   ========================================== */
.stats-section {
    padding: 30px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 40px 30px;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.stat-number {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-primary);
    line-height: 1;
}

.stat-plus {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-secondary);
    vertical-align: top;
    margin-left: 2px;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: 8px;
    font-weight: 500;
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 50px;
    align-items: center;
}

.about-image-card {
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    text-align: center;
}

.avatar-placeholder {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: var(--gradient-glow);
    border: 3px solid var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
    margin-bottom: 25px;
}

.experience-ribbon {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
}

.experience-ribbon i {
    font-size: 1.5rem;
    color: #f59e0b;
}

.about-content h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.about-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 30px 0;
}

.detail-box {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.detail-box i {
    font-size: 1.4rem;
    color: var(--accent-cyan);
    padding: 10px;
    background: rgba(6, 182, 212, 0.1);
    border-radius: var(--radius-sm);
}

.detail-box strong {
    display: block;
    font-size: 1rem;
}

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

/* ==========================================
   SKILLS SECTION
   ========================================== */
.skills-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 24px;
    border-radius: var(--radius-full);
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
    font-weight: 600;
    transition: all var(--transition-normal);
}

.tab-btn.active,
.tab-btn:hover {
    background: var(--gradient-primary);
    color: #ffffff;
    border-color: transparent;
    box-shadow: var(--shadow-glow);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.skill-card {
    padding: 24px;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.skill-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

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

.skill-icon {
    font-size: 1.8rem;
}

.skill-icon.html { color: #e34f26; }
.skill-icon.js { color: #f7df1e; }
.skill-icon.react { color: #61dafb; }
.skill-icon.node { color: #68a063; }
.skill-icon.db { color: #47a248; }
.skill-icon.python { color: #3776ab; }
.skill-icon.git { color: #f05032; }
.skill-icon.docker { color: #2496ed; }

.skill-head h4 {
    font-size: 1.1rem;
    font-weight: 700;
}

.skill-percent {
    margin-left: auto;
    font-weight: 700;
    color: var(--accent-cyan);
    font-size: 0.9rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 12px;
}

.progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width 1s ease-in-out;
}

.skill-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ==========================================
   PROJECTS SECTION
   ========================================== */
.project-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    border-radius: var(--radius-full);
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--gradient-primary);
    color: #ffffff;
    border-color: transparent;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.project-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

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

.project-banner {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.project-mockup {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: #ffffff;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-mockup {
    transform: scale(1.1);
}

.gradient-1 { background: linear-gradient(135deg, #4f46e5, #06b6d4); }
.gradient-2 { background: linear-gradient(135deg, #8b5cf6, #ec4899); }
.gradient-3 { background: linear-gradient(135deg, #10b981, #3b82f6); }
.gradient-4 { background: linear-gradient(135deg, #f59e0b, #ef4444); }

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 15, 29, 0.75);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.btn-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: transform var(--transition-fast);
}

.btn-icon:hover {
    transform: scale(1.15);
}

.project-info {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.tag {
    font-size: 0.75rem;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-primary);
    font-weight: 600;
}

.project-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.project-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ==========================================
   EXPERIENCE SECTION
   ========================================== */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background: var(--border-glass);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -2px;
    border-radius: var(--radius-full);
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;

}

.timeline-item.left {
    left: 0;
}

.timeline-item.right {
    left: 50%;
}

.timeline-dot {
    position: absolute;
    width: 44px;
    height: 44px;
    right: -22px;
    top: 15px;
    background: var(--gradient-primary);
    border: 4px solid var(--bg-primary);
    border-radius: 50%;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1rem;
    box-shadow: var(--shadow-glow);
}

.timeline-item.right .timeline-dot {
    left: -22px;
}

.timeline-content {
    padding: 24px;
    border-radius: var(--radius-md);
    position: relative;
}

.timeline-date {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(6, 182, 212, 0.15);
    color: var(--accent-cyan);
    font-weight: 700;
    font-size: 0.8rem;
    border-radius: var(--radius-full);
    margin-bottom: 10px;
}

.timeline-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-bottom: 4px;
}

.timeline-company {
    font-size: 0.95rem;
    color: var(--accent-secondary);
    margin-bottom: 12px;
    font-weight: 600;
}

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

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
}

.contact-info h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    margin-bottom: 15px;
}

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

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast);
}

.info-card:hover {
    transform: translateX(8px);
    border-color: var(--accent-primary);
}

.info-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.info-card h4 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.info-card a, .info-card span {
    font-weight: 600;
    font-size: 1rem;
}

.info-card a:hover {
    color: var(--accent-primary);
}

.contact-form-wrapper {
    padding: 35px;
    border-radius: var(--radius-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
    background: rgba(255, 255, 255, 0.08);
}

.btn-block {
    width: 100%;
    padding: 14px;
}

/* ==========================================
   FOOTER & BACK TO TOP
   ========================================== */
.footer {
    padding: 30px 0;
    border-top: 1px solid var(--border-glass);
    background: var(--bg-secondary);
}

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

.footer-socials {
    display: flex;
    gap: 16px;
    font-size: 1.1rem;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-glow);
    z-index: 90;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
}

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

.back-to-top:hover {
    transform: translateY(-5px);
}

/* ==========================================
   MODAL & TOAST
   ========================================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

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

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 15, 29, 0.8);
    backdrop-filter: blur(8px);
}

.modal-container {
    position: relative;
    width: 90%;
    max-width: 650px;
    max-height: 85vh;
    overflow-y: auto;
    padding: 35px;
    z-index: 10;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal.active .modal-container {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.modal-close:hover {
    background: var(--accent-rose);
    color: #ffffff;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    left: 30px;
    padding: 16px 24px;
    background: var(--bg-secondary);
    border: 1px solid var(--accent-emerald);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 300;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    pointer-events: none;
}

.toast.active {
    opacity: 1;
    transform: translateY(0);
}

.toast-icon {
    color: var(--accent-emerald);
    font-size: 1.3rem;
}

/* ==========================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================== */
@media (max-width: 992px) {
    .hero-grid,
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .timeline::after {
        left: 31px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 20px;
    }

    .timeline-item.right {
        left: 0;
    }

    .timeline-dot {
        left: 10px !important;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--bg-primary);
        padding: 40px;
        transition: left var(--transition-normal);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 25px;
        font-size: 1.2rem;
    }

    .hamburger {
        display: flex;
    }

    .nav-btn {
        display: none;
    }

    .hero-title {
        font-size: 2.3rem;
    }

    .hero-subtitle {
        font-size: 1.3rem;
    }

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

    .footer-container {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}