/* ============================================
   CSS VARIABLES & RESET
   ============================================ */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #06b6d4;
    --accent: #f472b6;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --dark-lighter: #334155;
    --light: #f8fafc;
    --gray: #94a3b8;
    --gray-light: #cbd5e1;
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
    --gradient-2: linear-gradient(135deg, #06b6d4 0%, #6366f1 100%);
    --gradient-text: linear-gradient(135deg, #6366f1 0%, #06b6d4 50%, #f472b6 100%);
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--dark);
    color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--light);
}

.logo-bracket {
    color: var(--primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray);
    position: relative;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--light);
    background: rgba(99, 102, 241, 0.1);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--light);
    position: relative;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--light);
    transition: var(--transition);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

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

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

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

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 100px 24px 60px;
    overflow: hidden;
}

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

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--success);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

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

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto 16px;
    line-height: 1.7;
}

.code-highlight {
    font-family: 'JetBrains Mono', monospace;
    color: var(--secondary);
    background: rgba(6, 182, 212, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.9em;
}

.hero-location {
    color: var(--gray);
    font-size: 0.95rem;
    margin-bottom: 32px;
}

.hero-location i {
    color: var(--accent);
    margin-right: 6px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: transparent;
    color: var(--light);
    border: 2px solid var(--dark-lighter);
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.btn-outline {
    background: transparent;
    color: var(--light);
    border: 2px solid var(--dark-lighter);
}

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

.btn-full {
    width: 100%;
    justify-content: center;
}

.hero-socials {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.social-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    background: var(--dark-light);
    color: var(--gray);
    font-size: 1.2rem;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.05);
}

.social-link:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--gray);
    font-size: 0.8rem;
    animation: bounce 2s infinite;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--gray);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--gray);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s infinite;
}

/* ============================================
   SECTION STYLES
   ============================================ */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--light);
    letter-spacing: -0.02em;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background: var(--dark-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.profile-img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    transition: var(--transition-slow);
}

.image-frame:hover .profile-img {
    transform: scale(1.05);
}

.image-decoration {
    position: absolute;
    inset: -20px;
    border: 2px solid var(--primary);
    border-radius: calc(var(--radius-xl) + 20px);
    opacity: 0.3;
    z-index: -1;
    animation: rotate 20s linear infinite;
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--gradient-1);
    padding: 20px 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    text-align: center;
    min-width: 120px;
}

.exp-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: white;
    line-height: 1;
}

.exp-text {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.8);
    font-weight: 500;
}

.about-content {
    padding-left: 20px;
}

.about-text p {
    font-size: 1.05rem;
    color: var(--gray);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-text strong {
    color: var(--light);
}

.highlight {
    color: var(--secondary);
    font-weight: 500;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

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

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--gray);
}

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.skill-card {
    background: var(--dark-light);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-slow);
}

.skill-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.2);
    box-shadow: var(--shadow-xl);
}

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

.skill-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--primary-light);
    transition: var(--transition);
}

.skill-card:hover .skill-icon {
    background: var(--primary);
    color: white;
    transform: scale(1.1) rotate(-5deg);
}

.skill-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--light);
}

.skill-desc {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.skill-level {
    height: 6px;
    background: rgba(255,255,255,0.05);
    border-radius: 3px;
    overflow: hidden;
}

.skill-bar {
    height: 100%;
    background: var(--gradient-1);
    border-radius: 3px;
    width: var(--width);
    transition: width 1.5s ease-out;
    position: relative;
}

.skill-bar::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 20px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3));
    animation: shimmer 2s infinite;
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects {
    background: var(--dark-light);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.project-card {
    background: var(--dark);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(99, 102, 241, 0.2);
}

.project-card.featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.project-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
}

.project-card.featured .project-image {
    aspect-ratio: auto;
    height: 100%;
}

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

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

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.project-links {
    display: flex;
    gap: 16px;
}

.project-link {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    font-size: 1.1rem;
    transition: var(--transition);
}

.project-link:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.project-info {
    padding: 28px;
}

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

.tag {
    padding: 4px 12px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-light);
}

.tag-soon {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.project-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--light);
}

.project-desc {
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 16px;
}

.project-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.project-features span {
    font-size: 0.85rem;
    color: var(--gray-light);
    display: flex;
    align-items: center;
    gap: 6px;
}

.project-features i {
    color: var(--success);
    font-size: 0.8rem;
}

.placeholder-bg {
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: rgba(255,255,255,0.3);
}

.coming-soon .project-image {
    aspect-ratio: 16/10;
}

.projects-cta {
    text-align: center;
    margin-top: 48px;
}

/* ============================================
   GOALS SECTION
   ============================================ */
.goals-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.goal-item {
    text-align: center;
    padding: 40px 24px;
    background: var(--dark-light);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-xl);
    transition: var(--transition);
}

.goal-item:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.2);
    box-shadow: var(--shadow-xl);
}

.goal-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-1);
    border-radius: var(--radius-lg);
    margin: 0 auto 20px;
    font-size: 1.5rem;
    color: white;
    transition: var(--transition);
}

.goal-item:hover .goal-icon {
    transform: scale(1.1) rotate(-5deg);
}

.goal-item h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--light);
}

.goal-item p {
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.6;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    background: var(--dark-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--light);
}

.contact-info > p {
    color: var(--gray);
    margin-bottom: 40px;
    line-height: 1.7;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius);
    color: var(--primary-light);
    font-size: 1.1rem;
    transition: var(--transition);
}

.contact-item:hover .contact-icon {
    background: var(--primary);
    color: white;
}

.contact-detail {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.8rem;
    color: var(--gray);
    margin-bottom: 2px;
}

.contact-detail a,
.contact-detail span {
    font-size: 1rem;
    color: var(--light);
    font-weight: 500;
}

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

.contact-form-wrapper {
    background: var(--dark);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-xl);
    padding: 40px;
}

.form-group {
    position: relative;
    margin-bottom: 24px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px;
    background: var(--dark-light);
    border: 2px solid rgba(255,255,255,0.05);
    border-radius: var(--radius);
    color: var(--light);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.form-group label {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
    font-size: 0.95rem;
    pointer-events: none;
    transition: var(--transition);
    background: var(--dark-light);
    padding: 0 4px;
}

.form-group textarea ~ label {
    top: 24px;
    transform: none;
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: 0;
    transform: translateY(-50%) scale(0.85);
    color: var(--primary-light);
}

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

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark);
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 60px 0 24px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 32px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--light);
    display: inline-block;
    margin-bottom: 12px;
}

.footer-brand p {
    color: var(--gray);
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--gray);
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
}

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

.footer-socials {
    display: flex;
    gap: 12px;
}

.footer-socials a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-light);
    border-radius: var(--radius-sm);
    color: var(--gray);
    transition: var(--transition);
}

.footer-socials a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

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

.footer-bottom i {
    color: var(--accent);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast {
    position: fixed;
    bottom: 32px;
    right: 32px;
    background: var(--dark-light);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: var(--success);
    padding: 16px 24px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    box-shadow: var(--shadow-xl);
    transform: translateX(150%);
    transition: var(--transition);
    z-index: 10000;
}

.toast.show {
    transform: translateX(0);
}

.toast-error {
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--error);
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes scrollWheel {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(12px);
    }
}

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

@keyframes shimmer {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(100px);
    }
}

/* ============================================
   SCROLL 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);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-image {
        max-width: 400px;
        margin: 0 auto;
    }
    
    .about-content {
        padding-left: 0;
    }
    
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .goals-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--dark-light);
        flex-direction: column;
        padding: 80px 24px 24px;
        transition: var(--transition);
        border-left: 1px solid rgba(255,255,255,0.05);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        padding: 12px 16px;
        font-size: 1rem;
    }
    
    .hero {
        padding: 100px 20px 60px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .project-card.featured {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }
    
    .project-card.featured .project-image {
        aspect-ratio: 16/10;
        height: auto;
    }
    
    .goals-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .stat-item {
        padding: 16px;
        background: rgba(255,255,255,0.02);
        border-radius: var(--radius);
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .experience-badge {
        bottom: -10px;
        right: -10px;
        padding: 12px 16px;
        min-width: 100px;
    }
    
    .exp-number {
        font-size: 1.5rem;
    }
    
    .toast {
        left: 16px;
        right: 16px;
        bottom: 16px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .skill-card {
        padding: 24px;
    }
    
    .project-info {
        padding: 20px;
    }
    
    .goal-item {
        padding: 28px 20px;
    }
}

/* Smooth scrolling for iOS */
@supports (-webkit-touch-callout: none) {
    body {
        -webkit-overflow-scrolling: touch;
    }
}