/* ========================================
   Portfolio - Custom Design System
   ======================================== */

:root {
    /* Color Palette - Warm Dark Theme */
    --bg-primary: #0a0a0b;
    --bg-secondary: #111113;
    --bg-tertiary: #18181b;
    --bg-card: #1c1c1f;
    
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --accent-dark: #d97706;
    --accent-glow: rgba(245, 158, 11, 0.15);
    
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);
    
    /* Typography */
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Outfit', -apple-system, sans-serif;
    
    /* Spacing */
    --section-padding: clamp(4rem, 10vw, 8rem);
    --container-max: 1200px;
    --container-padding: clamp(1.5rem, 5vw, 3rem);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* ========================================
   Loading Screen
   ======================================== */

.loader {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loader-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.loader-text::after {
    content: '';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

/* ========================================
   Theme Variables (Light Mode)
   ======================================== */

[data-theme="light"] {
    --bg-primary: #fafafa;
    --bg-secondary: #f4f4f5;
    --bg-tertiary: #e4e4e7;
    --bg-card: #ffffff;
    
    --text-primary: #18181b;
    --text-secondary: #52525b;
    --text-muted: #71717a;
    
    --border: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.15);
    
    --accent-glow: rgba(245, 158, 11, 0.1);
}

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

[data-theme="light"] .gradient-orb {
    opacity: 0.3;
}

/* ========================================
   Reset & Base
   ======================================== */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: var(--accent);
    color: var(--bg-primary);
}

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

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

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

/* ========================================
   Custom Cursor
   ======================================== */

.cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

body:hover .cursor-glow {
    opacity: 1;
}

/* ========================================
   Layout
   ======================================== */

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

.section {
    padding: var(--section-padding) 0;
    position: relative;
}

/* ========================================
   Navigation
   ======================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all var(--transition-base);
}

.nav.scrolled {
    background: rgba(10, 10, 11, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
}

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

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.logo-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: var(--bg-primary);
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 700;
}

.logo-text {
    color: var(--text-secondary);
    font-weight: 400;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition-base);
}

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

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

.nav-book-btn,
.nav-resume-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.nav-book-btn {
    color: var(--text-primary);
    background: transparent;
    border: 1px solid var(--accent);
}

.nav-book-btn:hover {
    background: var(--accent);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(245, 158, 11, 0.3);
}

.nav-resume-btn {
    color: var(--bg-primary);
    background: var(--accent);
}

.nav-resume-btn:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(245, 158, 11, 0.3);
}

.nav-book-btn svg,
.nav-resume-btn svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Theme Toggle */
.theme-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-left: 0.5rem;
}

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

.sun-icon { display: none; }
.moon-icon { display: block; }

[data-theme="light"] .sun-icon { display: block; }
[data-theme="light"] .moon-icon { display: none; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-base);
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-link {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.mobile-link:hover {
    color: var(--accent);
}

.mobile-book-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    background: transparent;
    border: 2px solid var(--accent);
    border-radius: var(--radius-md);
    margin-top: 1rem;
    transition: all var(--transition-base);
}

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

.mobile-resume-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--bg-primary);
    background: var(--accent);
    border-radius: var(--radius-md);
    margin-top: 1rem;
    transition: all var(--transition-base);
}

.mobile-resume-btn:hover {
    background: var(--accent-light);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

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

.grain {
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, var(--accent-dark) 0%, transparent 70%);
    top: -20%;
    right: -10%;
    animation: float 20s ease-in-out infinite;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #7c3aed 0%, transparent 70%);
    bottom: -10%;
    left: -5%;
    animation: float 25s ease-in-out infinite reverse;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #059669 0%, transparent 70%);
    top: 40%;
    left: 30%;
    animation: float 18s ease-in-out infinite;
}

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

.hero-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-greeting {
    font-size: 1rem;
    color: var(--accent);
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.hero-name {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: 1rem;
}

.hero-tagline {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 500px;
    margin-bottom: 2.5rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-shape {
    width: 350px;
    height: 350px;
    border: 2px solid var(--border);
    border-radius: 50%;
    position: relative;
    animation: rotate 60s linear infinite;
}

.hero-shape::before,
.hero-shape::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    border: 2px solid var(--border);
}

.hero-shape::before {
    inset: 40px;
    animation: rotate 40s linear infinite reverse;
}

.hero-shape::after {
    inset: 80px;
    border-color: var(--accent);
    opacity: 0.3;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.05); opacity: 0.5; }
}

.hero-dots {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, var(--accent) 2px, transparent 2px);
    background-size: 40px 40px;
    opacity: 0.1;
}

/* Particles */
.particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0.3;
    animation: float-particle 15s infinite ease-in-out;
}

@keyframes float-particle {
    0%, 100% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(-100px) translateX(50px); }
    50% { transform: translateY(-50px) translateX(-30px); }
    75% { transform: translateY(-150px) translateX(20px); }
}

/* Typing Effect */
.typing-text {
    color: var(--text-secondary);
}

.typing-cursor {
    color: var(--accent);
    animation: blink 1s infinite;
    font-weight: 300;
}

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

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--accent);
    line-height: 1;
}

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

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.5); opacity: 0.5; }
}

/* Animation Classes */
.animate-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fade-in-up 0.8s ease forwards;
    animation-delay: calc(var(--delay) * 0.15s);
}

@keyframes fade-in-up {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.75rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(245, 158, 11, 0.3);
}

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

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
}

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

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--border-hover);
}

.btn-large {
    padding: 1.125rem 2.25rem;
    font-size: 1rem;
}

/* ========================================
   Section Headers
   ======================================== */

.section-header {
    margin-bottom: 3rem;
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-top: 0.75rem;
}

/* ========================================
   About Section
   ======================================== */

.about-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-bio {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.about-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.detail-icon {
    font-size: 1.25rem;
}

.detail-item a:hover {
    color: var(--accent);
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-frame {
    position: relative;
    width: 300px;
    height: 360px;
}

.image-frame::before {
    content: '';
    position: absolute;
    inset: -10px;
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    transform: rotate(3deg);
}

.image-frame::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 2px solid var(--accent);
    border-radius: var(--radius-lg);
    opacity: 0.3;
    transform: rotate(-3deg);
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-card) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.image-placeholder span {
    font-family: var(--font-display);
    font-size: 6rem;
    font-weight: 600;
    color: var(--accent);
    opacity: 0.5;
}

.profile-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
    position: relative;
    z-index: 1;
}

/* ========================================
   Experience Section
   ======================================== */

.experience {
    background: var(--bg-secondary);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    padding-bottom: 3rem;
    position: relative;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item:last-child .marker-line {
    display: none;
}

.timeline-marker {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}

.marker-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 3px solid var(--border-hover);
    position: relative;
    z-index: 2;
    transition: all var(--transition-base);
}

.marker-dot.active {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--accent-glow);
}

.timeline-item:hover .marker-dot {
    border-color: var(--accent);
    transform: scale(1.2);
}

.marker-line {
    position: absolute;
    top: 16px;
    width: 2px;
    height: calc(100% + 1rem);
    background: linear-gradient(to bottom, var(--border-hover), var(--border));
}

.timeline-content {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: all var(--transition-base);
}

.timeline-content:hover {
    border-color: var(--border-hover);
    transform: translateX(8px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.timeline-item.current .timeline-content {
    border-color: var(--accent);
    border-width: 1px;
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(245, 158, 11, 0.05) 100%);
}

.job-header {
    margin-bottom: 1rem;
}

.job-title-group {
    margin-bottom: 0.75rem;
}

.job-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.job-company {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.company-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent);
    transition: all var(--transition-fast);
}

.company-link:hover {
    color: var(--accent-light);
}

.company-link svg {
    opacity: 0.7;
}

.job-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

.job-date,
.job-location {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.job-date svg,
.job-location svg {
    opacity: 0.7;
}

.job-badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.3rem 0.7rem;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.current-badge {
    background: var(--accent);
    color: var(--bg-primary);
}

.type-badge {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.job-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.job-achievements {
    list-style: none;
    margin-bottom: 1.25rem;
}

.job-achievements li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.job-achievements li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 600;
}

.job-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* ========================================
   Projects Section
   ======================================== */

.projects {
    background: var(--bg-secondary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all var(--transition-base);
}

.project-card {
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.view-details {
    background: var(--accent) !important;
    color: var(--bg-primary) !important;
}

.project-card.featured {
    grid-column: span 1;
}

.project-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    padding: 1.5rem;
}

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

.project-links {
    display: flex;
    gap: 0.75rem;
}

.project-link {
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.project-link:hover {
    background: var(--accent);
    color: var(--bg-primary);
}

.project-info {
    padding: 1.5rem;
}

.project-category {
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.project-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0.5rem 0;
    color: var(--text-primary);
}

.project-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    font-size: 0.75rem;
    padding: 0.35rem 0.75rem;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

/* Project Filters */
.project-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.filter-btn {
    padding: 0.6rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

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

.project-card.hidden {
    display: none;
}

/* ========================================
   Skills Section
   ======================================== */

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

.skills-categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.skill-category-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: all var(--transition-base);
}

.skill-category-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.skill-category-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--accent);
    flex-shrink: 0;
}

.skill-category-icon svg {
    width: 22px;
    height: 22px;
}

.skill-category-title {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    font-size: 0.8rem;
    font-weight: 500;
    padding: 0.4rem 0.85rem;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(16, 185, 129, 0.05) 100%);
    color: #10b981;
    border-radius: 50px;
    border: 1px solid rgba(16, 185, 129, 0.2);
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.25) 0%, rgba(16, 185, 129, 0.1) 100%);
    border-color: rgba(16, 185, 129, 0.4);
    transform: translateY(-2px);
}

/* Alternate colors for variety */
.skill-category-card:nth-child(3n+2) .skill-tag {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(59, 130, 246, 0.05) 100%);
    color: #3b82f6;
    border-color: rgba(59, 130, 246, 0.2);
}

.skill-category-card:nth-child(3n+2) .skill-tag:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.25) 0%, rgba(59, 130, 246, 0.1) 100%);
    border-color: rgba(59, 130, 246, 0.4);
}

.skill-category-card:nth-child(3n) .skill-tag {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(245, 158, 11, 0.05) 100%);
    color: var(--accent);
    border-color: rgba(245, 158, 11, 0.2);
}

.skill-category-card:nth-child(3n) .skill-tag:hover {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.25) 0%, rgba(245, 158, 11, 0.1) 100%);
    border-color: rgba(245, 158, 11, 0.4);
}

/* Legacy skill grid (if needed) */
.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.skill-item {
    padding: 1rem 2rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.skill-item:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.1);
}

.skill-name {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* ========================================
   Services Section
   ======================================== */

.services {
    background: var(--bg-primary);
}

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

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-glow) 0%, transparent 100%);
    border: 1px solid var(--accent);
    border-radius: var(--radius-md);
    color: var(--accent);
    margin-bottom: 1.25rem;
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.service-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.service-features {
    list-style: none;
}

.service-features li {
    position: relative;
    padding-left: 1.25rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.service-features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* ========================================
   Contact Section
   ======================================== */

.contact {
    background: var(--bg-secondary);
    text-align: center;
}

.contact-header {
    max-width: 600px;
    margin: 0 auto 3rem;
}

/* Contact Cards */
.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto 3rem;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all var(--transition-base);
}

.contact-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.contact-card-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    border-radius: 50%;
    transition: all var(--transition-base);
}

.contact-card-icon.email-icon {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.contact-card-icon.whatsapp-icon {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.contact-card-icon.linkedin-icon {
    background: rgba(0, 119, 181, 0.1);
    color: #0077B5;
}

.contact-card-icon.upwork-icon {
    background: rgba(20, 168, 0, 0.1);
    color: #14A800;
}

.contact-card-icon.calendar-icon {
    background: var(--accent-glow);
    color: var(--accent);
}

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

.contact-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.contact-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Contact Form Container */
.contact-form-container {
    max-width: 700px;
    margin: 0 auto 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: left;
}

.form-group input,
.form-group textarea {
    padding: 1rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    resize: vertical;
}

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

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

.contact-form .btn {
    margin-top: 0.5rem;
    width: 100%;
    justify-content: center;
}

.form-status {
    text-align: center;
    font-size: 0.9rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    display: none;
}

.form-status.success {
    display: block;
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-status.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Contact Social */
.contact-social {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.contact-social p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: var(--bg-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 1000;
    box-shadow: 0 5px 20px rgba(245, 158, 11, 0.3);
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.4);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 3rem;
}

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.social-link:hover {
    color: var(--accent);
    border-color: var(--accent);
    transform: translateY(-4px);
}

/* ========================================
   Footer
   ======================================== */

.footer {
    padding: 2.5rem 0;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

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

.footer-contact {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.footer-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.footer-link:hover {
    color: var(--accent);
}

.footer-link svg {
    flex-shrink: 0;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1024px) {
    :root {
        --section-padding: 4rem 0;
    }
    
    .container {
        padding: 0 2rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 2rem 0;
    }
    
    .hero-tagline {
        margin-left: auto;
        margin-right: auto;
        max-width: 90%;
    }
    
    .hero-cta {
        justify-content: center;
        gap: 1rem;
    }
    
    .hero-visual {
        display: none;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .about-bio {
        font-size: 1rem;
        line-height: 1.7;
        text-align: left;
    }
    
    .about-details {
        align-items: center;
        gap: 1.25rem;
    }
    
    .detail-item {
        justify-content: center;
        font-size: 0.95rem;
    }
    
    .about-image {
        order: -1;
        margin: 0 auto;
    }
    
    .image-frame {
        width: 220px;
        height: 264px;
    }
    
    .profile-photo {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .btn-group {
        justify-content: center;
    }
    
    .timeline-content:hover {
        transform: translateX(4px);
    }
    
    .skills-categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .contact-cards {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 1rem;
    }
    
    .theme-toggle {
        display: none;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .section-desc {
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 3rem 0;
    }
    
    .container {
        padding: 0 1.5rem;
    }
    
    /* Navigation */
    .nav-links {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:first-child {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:last-child {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .nav-logo {
        font-size: 1.25rem;
    }
    
    /* Hero Section */
    .hero-name {
        font-size: clamp(2.5rem, 10vw, 3.5rem);
        line-height: 1.1;
    }
    
    .hero-title {
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }
    
    .hero-tagline {
        font-size: 1rem;
        max-width: 100%;
    }
    
    .scroll-indicator {
        display: none;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        margin-top: 2rem;
    }
    
    .stat-item {
        flex: 1;
        min-width: 200px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.9rem;
    }
    
    .stat-divider {
        width: 60px;
        height: 1px;
    }
    
    /* Section Headers */
    .section-title {
        font-size: 2rem;
    }
    
    .section-label {
        font-size: 0.9rem;
    }
    
    .section-desc {
        font-size: 0.95rem;
    }
    
    /* Projects */
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .project-card {
        padding: 1rem;
    }
    
    .project-title {
        font-size: 1.25rem;
    }
    
    .filter-buttons {
        flex-wrap: wrap;
        gap: 0.5rem;
        justify-content: center;
    }
    
    .filter-btn {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }
    
    /* Experience Timeline */
    .timeline-item {
        gap: 1rem;
    }
    
    .timeline-dot {
        width: 14px;
        height: 14px;
    }
    
    .timeline-content {
        padding: 1.25rem;
    }
    
    .job-meta {
        gap: 0.75rem;
        flex-wrap: wrap;
    }
    
    .job-title {
        font-size: 1.25rem;
    }
    
    .job-company {
        font-size: 1rem;
    }
    
    /* Skills */
    .skills-categories-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .skill-category-card {
        padding: 1.25rem;
    }
    
    .skill-category-title {
        font-size: 1rem;
    }
    
    .skill-item {
        font-size: 0.85rem;
        padding: 0.5rem 0.75rem;
    }
    
    /* Achievements */
    .achievements-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .achievement-card {
        padding: 1.5rem;
    }
    
    .achievement-icon {
        width: 60px;
        height: 60px;
    }
    
    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    .service-title {
        font-size: 1.1rem;
    }
    
    /* Contact */
    .contact-cards {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1rem;
    }
    
    .contact-card {
        padding: 1.25rem;
    }
    
    .contact-form-container {
        padding: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-input,
    .form-textarea {
        font-size: 1rem;
    }
    
    /* Footer */
    .footer-contact {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    /* Back to Top */
    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 48px;
        height: 48px;
    }
    
    /* Book Meeting CTA */
    .book-meeting-cta {
        padding: 2rem 1.5rem;
    }
    
    .book-cta-content h3 {
        font-size: 1.5rem;
    }
    
    .book-cta-content p {
        font-size: 1rem;
    }
    
    /* Testimonials */
    .testimonial-card {
        min-width: 350px;
        max-width: 350px;
        padding: 1.5rem;
    }
    
    .testimonials-scroll-track {
        gap: 1.5rem;
    }
    
    .testimonial-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .platform-badge {
        position: static;
        display: inline-block;
        margin-top: 0.5rem;
    }
    
    /* Modal Improvements */
    .modal-content {
        width: 95%;
        max-height: 95vh;
        margin: 1rem;
        padding: 1.5rem;
    }
    
    .modal-header h2 {
        font-size: 1.5rem;
    }
    
    .modal-close {
        width: 36px;
        height: 36px;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 2.5rem 0;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    /* Typography */
    .hero-name {
        font-size: clamp(2rem, 12vw, 2.75rem);
    }
    
    .hero-title {
        font-size: 1rem;
    }
    
    .hero-tagline {
        font-size: 0.95rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-label {
        font-size: 0.85rem;
    }
    
    /* Buttons */
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
    }
    
    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Navigation */
    .nav-logo {
        font-size: 1.1rem;
    }
    
    .mobile-link {
        font-size: 2rem;
    }
    
    /* Stats */
    .hero-stats {
        gap: 1.25rem;
    }
    
    .stat-item {
        min-width: 150px;
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
    
    .stat-label {
        font-size: 0.85rem;
    }
    
    /* Projects */
    .project-card {
        padding: 0.75rem;
    }
    
    .project-title {
        font-size: 1.1rem;
    }
    
    .project-description {
        font-size: 0.9rem;
    }
    
    .filter-btn {
        padding: 0.5rem 0.85rem;
        font-size: 0.8rem;
    }
    
    /* About */
    .about-content {
        gap: 2rem;
    }
    
    .image-frame {
        width: 180px;
        height: 216px;
    }
    
    .about-bio {
        font-size: 0.95rem;
        line-height: 1.6;
    }
    
    .detail-item {
        font-size: 0.9rem;
        gap: 0.5rem;
    }
    
    .detail-icon {
        font-size: 1.1rem;
    }
    
    /* Timeline */
    .timeline-dot {
        width: 12px;
        height: 12px;
    }
    
    .timeline-content {
        padding: 1rem;
    }
    
    .job-title {
        font-size: 1.1rem;
    }
    
    .job-company {
        font-size: 0.9rem;
    }
    
    .job-duration {
        font-size: 0.85rem;
    }
    
    /* Skills */
    .skill-category-card {
        padding: 1rem;
    }
    
    .skill-category-title {
        font-size: 0.95rem;
    }
    
    .skill-item {
        font-size: 0.8rem;
        padding: 0.4rem 0.65rem;
    }
    
    /* Achievements */
    .achievement-card {
        padding: 1.25rem;
    }
    
    .achievement-icon {
        width: 50px;
        height: 50px;
    }
    
    .achievement-card h3 {
        font-size: 1.1rem;
    }
    
    .achievement-highlights li {
        font-size: 0.85rem;
    }
    
    /* Services */
    .service-card {
        padding: 1.25rem;
    }
    
    .service-title {
        font-size: 1rem;
    }
    
    .service-desc {
        font-size: 0.9rem;
    }
    
    /* Contact */
    .contact-cards {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .contact-card {
        padding: 1rem;
    }
    
    .contact-form-container {
        padding: 1.25rem;
    }
    
    .form-input,
    .form-textarea,
    .form-select {
        font-size: 1rem;
        padding: 0.85rem 1rem;
    }
    
    /* Testimonials */
    .testimonial-card {
        min-width: 280px;
        max-width: 280px;
        padding: 1.25rem;
    }
    
    .testimonials-scroll-container::before,
    .testimonials-scroll-container::after {
        width: 30px;
    }
    
    .testimonial-text {
        font-size: 0.9rem;
        line-height: 1.5;
    }
    
    .client-name {
        font-size: 1rem;
    }
    
    .client-role {
        font-size: 0.85rem;
    }
    
    /* Book Meeting CTA */
    .book-meeting-cta {
        padding: 1.5rem 1rem;
    }
    
    .book-cta-content h3 {
        font-size: 1.25rem;
    }
    
    .book-cta-content p {
        font-size: 0.9rem;
    }
    
    /* Modal */
    .modal-content {
        width: 100%;
        height: 100%;
        max-height: 100vh;
        margin: 0;
        border-radius: 0;
        padding: 1rem;
    }
    
    .modal-header {
        padding: 1rem 0;
    }
    
    .modal-header h2 {
        font-size: 1.25rem;
    }
    
    .modal-body {
        padding: 1rem 0;
    }
    
    .modal-section h3 {
        font-size: 1.1rem;
    }
    
    .component-card,
    .feature-item,
    .impact-item {
        padding: 0.85rem;
    }
    
    /* Footer */
    .footer {
        padding: 2rem 0;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }
    
    /* Back to Top */
    .back-to-top {
        bottom: 0.75rem;
        right: 0.75rem;
        width: 44px;
        height: 44px;
    }
}

/* ========================================
   Scroll Reveal Animations
   ======================================== */

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Stagger animations for grid items */
.projects-grid .project-card:nth-child(1) { transition-delay: 0.1s; }
.projects-grid .project-card:nth-child(2) { transition-delay: 0.2s; }
.projects-grid .project-card:nth-child(3) { transition-delay: 0.3s; }
.projects-grid .project-card:nth-child(4) { transition-delay: 0.4s; }
.projects-grid .project-card:nth-child(5) { transition-delay: 0.5s; }
.projects-grid .project-card:nth-child(6) { transition-delay: 0.6s; }

.skills-grid .skill-item:nth-child(1) { transition-delay: 0.05s; }
.skills-grid .skill-item:nth-child(2) { transition-delay: 0.1s; }
.skills-grid .skill-item:nth-child(3) { transition-delay: 0.15s; }
.skills-grid .skill-item:nth-child(4) { transition-delay: 0.2s; }
.skills-grid .skill-item:nth-child(5) { transition-delay: 0.25s; }
.skills-grid .skill-item:nth-child(6) { transition-delay: 0.3s; }
.skills-grid .skill-item:nth-child(7) { transition-delay: 0.35s; }
.skills-grid .skill-item:nth-child(8) { transition-delay: 0.4s; }

.timeline .timeline-item:nth-child(1) { transition-delay: 0.1s; }
.timeline .timeline-item:nth-child(2) { transition-delay: 0.2s; }
.timeline .timeline-item:nth-child(3) { transition-delay: 0.3s; }
.timeline .timeline-item:nth-child(4) { transition-delay: 0.4s; }
.timeline .timeline-item:nth-child(5) { transition-delay: 0.5s; }

.skills-categories-grid .skill-category-card:nth-child(1) { transition-delay: 0.05s; }
.skills-categories-grid .skill-category-card:nth-child(2) { transition-delay: 0.1s; }
.skills-categories-grid .skill-category-card:nth-child(3) { transition-delay: 0.15s; }
.skills-categories-grid .skill-category-card:nth-child(4) { transition-delay: 0.2s; }
.skills-categories-grid .skill-category-card:nth-child(5) { transition-delay: 0.25s; }
.skills-categories-grid .skill-category-card:nth-child(6) { transition-delay: 0.3s; }
.skills-categories-grid .skill-category-card:nth-child(7) { transition-delay: 0.35s; }
.skills-categories-grid .skill-category-card:nth-child(8) { transition-delay: 0.4s; }
.skills-categories-grid .skill-category-card:nth-child(9) { transition-delay: 0.45s; }

/* ========================================
   Project Modal
   ======================================== */

.modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-base);
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    z-index: 10;
}

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

.modal-body {
    padding: 2.5rem;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

.modal-body::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 4px;
}

.modal-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.modal-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.modal-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.modal-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.modal-links a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal-links a:hover {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

.modal-section {
    margin-bottom: 2rem;
}

.modal-section h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-section h3::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--accent);
    border-radius: 2px;
}

.modal-section p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Technical Components Grid */
.technical-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.technical-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    transition: all var(--transition-fast);
}

.technical-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.technical-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.technical-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Features List */
.features-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 0.75rem;
}

.features-list li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 600;
}

/* Modal Tech Tags */
.modal-tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.modal-tech-tags .tech-tag {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

/* Impact Section */
.impact-section {
    background: var(--bg-secondary);
    margin: 0 -2.5rem -2.5rem;
    padding: 2rem 2.5rem 2.5rem;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.25rem;
}

.impact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition-fast);
}

.impact-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.impact-card.technical {
    border-top: 3px solid #3b82f6;
}

.impact-card.business {
    border-top: 3px solid #10b981;
}

.impact-card.user {
    border-top: 3px solid var(--accent);
}

.impact-icon {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.impact-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.impact-card ul {
    list-style: none;
}

.impact-card li {
    position: relative;
    padding-left: 1.25rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 0.5rem;
}

.impact-card li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* ========================================
   Key Achievements Section
   ======================================== */

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.achievement-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition-base);
}

.achievement-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(245, 158, 11, 0.1);
}

.achievement-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--accent-glow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.achievement-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-family: var(--font-display);
}

.achievement-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.achievement-highlights {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
    text-align: left;
}

.achievement-highlights li {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.achievement-highlights li:before {
    content: "✓";
    color: var(--accent);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* ========================================
   Testimonials Section
   ======================================== */

.testimonials.section {
    padding-bottom: var(--section-padding);
}

.testimonials-scroll-container-wrapper {
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    margin-top: 3rem;
}

.testimonials-scroll-container {
    overflow: hidden;
    position: relative;
    padding: 2rem 0;
}

/* Gradient fade on edges */
.testimonials-scroll-container::before,
.testimonials-scroll-container::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 150px;
    z-index: 2;
    pointer-events: none;
}

.testimonials-scroll-container::before {
    left: 0;
    background: linear-gradient(to right, var(--bg-primary), transparent);
}

.testimonials-scroll-container::after {
    right: 0;
    background: linear-gradient(to left, var(--bg-primary), transparent);
}

.testimonials-scroll-track {
    display: flex;
    gap: 2rem;
    animation: scroll-left 40s linear infinite;
    width: fit-content;
}

/* Pause animation on hover */
.testimonials-scroll-container:hover .testimonials-scroll-track {
    animation-play-state: paused;
}

@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.testimonial-card {
    min-width: 450px;
    max-width: 450px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-base);
    position: relative;
    box-sizing: border-box;
    flex-shrink: 0;
}

.testimonial-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(245, 158, 11, 0.1);
}

.testimonial-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent-glow);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.testimonial-info {
    flex: 1;
}

.client-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.client-role {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.testimonial-rating {
    display: flex;
    gap: 0.25rem;
}

.testimonial-rating svg {
    color: var(--accent);
}

.platform-badge {
    position: absolute;
    top: 0;
    right: 0;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.upwork-badge {
    background: rgba(20, 168, 0, 0.1);
    color: #14A800;
}

.linkedin-badge {
    background: rgba(0, 119, 181, 0.1);
    color: #0077B5;
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
    font-style: italic;
    position: relative;
    padding-left: 1.5rem;
}

.testimonial-text::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -0.5rem;
    font-size: 3rem;
    color: var(--accent);
    font-family: Georgia, serif;
    opacity: 0.3;
}

.testimonial-project {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.testimonial-project small {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ========================================
   Book Meeting CTA
   ======================================== */

.book-meeting-cta {
    margin: 4rem 0;
    padding: 3rem;
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-tertiary) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
}

.book-meeting-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
}

.book-cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.book-cta-content svg {
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.book-cta-content h3 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-family: var(--font-display);
}

.book-cta-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.book-cta-content .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* Responsive styles consolidated in main @media blocks above */

/* ========================================
   Mobile-Specific Enhancements
   ======================================== */

/* Better touch targets for mobile */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .filter-btn,
    .contact-card,
    .project-card,
    .nav-toggle,
    .theme-toggle,
    .modal-close {
        min-height: 44px;
        min-width: 44px;
    }
    
    .social-links a {
        width: 44px;
        height: 44px;
    }
    
    /* Remove hover effects on touch devices */
    .project-card:hover,
    .service-card:hover,
    .achievement-card:hover,
    .skill-item:hover {
        transform: none;
    }
}

/* Landscape mobile optimization */
@media (max-width: 896px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding: 3rem 0;
    }
    
    .hero-stats {
        margin-top: 1.5rem;
    }
    
    section {
        padding: 2rem 0;
    }
}

/* Very small devices */
@media (max-width: 360px) {
    .hero-name {
        font-size: 1.85rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .container {
        padding: 0 0.75rem;
    }
    
    .testimonial-card {
        min-width: 260px;
        max-width: 260px;
        padding: 1rem;
    }
}