/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a2e;
    --bg-card: rgba(22, 22, 35, 0.7);
    --bg-card-hover: rgba(30, 30, 50, 0.85);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --bg-glass-hover: rgba(255, 255, 255, 0.06);

    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b8;
    --text-tertiary: #6b6b80;

    --accent-primary: #6c63ff;
    --accent-secondary: #00d4aa;
    --accent-tertiary: #ff6b9d;
    --accent-gradient: linear-gradient(135deg, #6c63ff 0%, #00d4aa 100%);
    --accent-gradient-alt: linear-gradient(135deg, #6c63ff 0%, #ff6b9d 100%);

    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-accent: rgba(108, 99, 255, 0.3);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(108, 99, 255, 0.15);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);

    --nav-height: 72px;
    --container-max: 1200px;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
}

::selection {
    background: rgba(108, 99, 255, 0.3);
    color: var(--text-primary);
}

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

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

ul, ol {
    list-style: none;
}

/* ===== PARTICLE CANVAS ===== */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ===== CURSOR GLOW ===== */
.cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(108, 99, 255, 0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s ease;
    will-change: left, top;
}

/* ===== CONTAINER ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    transition: all var(--transition-smooth);
    backdrop-filter: blur(0px);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    position: relative;
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

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

.nav-link-cta {
    background: var(--accent-gradient) !important;
    color: white !important;
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 600;
}

.nav-link-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(108, 99, 255, 0.4);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.nav-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: calc(var(--nav-height) + 40px) 24px 60px;
    z-index: 2;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(108, 99, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent-secondary);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 32px;
}

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

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-greeting {
    display: block;
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.hero-name {
    display: block;
}

.name-line {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -2px;
}

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

.hero-roles {
    margin-top: 24px;
    font-family: var(--font-mono);
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    color: var(--accent-primary);
    min-height: 1.7em;
}

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

@keyframes blink {
    50% { opacity: 0; }
}

.hero-description {
    margin-top: 24px;
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    color: var(--text-secondary);
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.hero-description strong {
    color: var(--text-primary);
}

.hero-description em {
    color: var(--accent-secondary);
    font-style: normal;
}

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

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 20px rgba(108, 99, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(108, 99, 255, 0.5);
}

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

.btn-primary:hover i {
    transform: translateX(4px);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--bg-glass-hover);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

/* ===== HERO STATS ===== */
.hero-stats {
    margin-top: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
}

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

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

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

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 6px;
}

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

/* ===== SCROLL INDICATOR ===== */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-tertiary);
}

.scroll-text {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--border-subtle);
    position: relative;
    overflow: hidden;
}

.scroll-dot {
    width: 3px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 4px;
    position: absolute;
    left: -1px;
    animation: scroll-anim 2s ease-in-out infinite;
}

@keyframes scroll-anim {
    0% { top: -8px; opacity: 0; }
    30% { opacity: 1; }
    100% { top: 40px; opacity: 0; }
}

/* ===== SECTION COMMON ===== */
.section {
    position: relative;
    padding: 120px 0;
    z-index: 2;
}

.section-header {
    text-align: center;
    margin-bottom: 72px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent-primary);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -1px;
}

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

.section-subtitle {
    margin-top: 16px;
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== ABOUT SECTION ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-grid--three {
    grid-template-columns: 280px 1fr 1fr;
    gap: 48px;
    align-items: start;
}

/* ===== PROFILE CARD ===== */
.profile-card {
    position: sticky;
    top: calc(var(--nav-height) + 32px);
    text-align: center;
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    backdrop-filter: blur(12px);
    transition: all var(--transition-smooth);
}

.profile-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

.profile-img-wrapper {
    position: relative;
    width: 180px;
    height: 180px;
    margin: 0 auto 24px;
}

.profile-img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    position: relative;
    z-index: 2;
    border: 3px solid var(--bg-secondary);
    filter: grayscale(10%) contrast(1.05);
    transition: all var(--transition-smooth);
}

.profile-card:hover .profile-img {
    filter: grayscale(0%) contrast(1.1);
    border-color: var(--accent-primary);
}

.profile-ring {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    background: var(--accent-gradient);
    z-index: 1;
    opacity: 0.6;
    animation: ring-rotate 6s linear infinite;
}

@keyframes ring-rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.profile-ring::before {
    content: '';
    position: absolute;
    inset: 3px;
    border-radius: 50%;
    background: var(--bg-card);
}

.profile-meta {
    margin-bottom: 16px;
}

.profile-meta h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.profile-role {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--accent-primary);
    letter-spacing: 0.5px;
}

.profile-socials {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.profile-socials a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: all var(--transition-fast);
}

.profile-socials a:hover {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
    transform: translateY(-2px);
}

.about-lead {
    font-size: 1.15rem;
    color: var(--text-primary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

.highlight-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    transition: all var(--transition-smooth);
}

.highlight-card:hover {
    background: var(--bg-glass-hover);
    border-color: var(--border-accent);
    transform: translateX(8px);
}

.highlight-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: white;
    flex-shrink: 0;
}

.highlight-card h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.highlight-card p {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-bottom: 0 !important;
}

/* ===== CODE WINDOW ===== */
.code-window {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-smooth);
}

.code-window:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-subtle);
}

.code-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #28c840; }

.code-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.code-body {
    padding: 24px;
    overflow-x: auto;
}

.code-body pre {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.9;
    white-space: pre;
}

.code-keyword { color: #c678dd; }
.code-class { color: #e5c07b; }
.code-func { color: #61afef; }
.code-param { color: #e06c75; }
.code-string { color: #98c379; }
.code-comment { color: var(--text-tertiary); font-style: italic; }

/* ===== EXPERIENCE TIMELINE ===== */
.timeline {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.timeline-item {
    display: flex;
    gap: 24px;
}

.timeline-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
    padding-top: 28px;
}

.marker-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-gradient);
    box-shadow: 0 0 16px rgba(108, 99, 255, 0.4);
    flex-shrink: 0;
}

.marker-line {
    width: 2px;
    flex-grow: 1;
    background: linear-gradient(to bottom, var(--accent-primary), transparent);
    margin-top: 8px;
}

.timeline-card {
    flex-grow: 1;
    padding: 28px 32px;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    backdrop-filter: blur(10px);
    transition: all var(--transition-smooth);
}

.timeline-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.timeline-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.timeline-date {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
}

.timeline-date i {
    color: var(--accent-primary);
}

.timeline-badge {
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timeline-badge.current {
    background: rgba(0, 212, 170, 0.1);
    color: var(--accent-secondary);
    border: 1px solid rgba(0, 212, 170, 0.3);
}

.timeline-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.timeline-company {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    color: var(--accent-primary);
    font-weight: 500;
    margin-bottom: 4px;
}

.timeline-company i {
    font-size: 0.8rem;
}

.timeline-location {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--text-tertiary);
    margin-bottom: 20px;
}

.timeline-location i {
    font-size: 0.7rem;
}

.timeline-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.timeline-details li {
    display: flex;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.timeline-details li i {
    color: var(--accent-secondary);
    font-size: 0.6rem;
    margin-top: 8px;
    flex-shrink: 0;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
    background: rgba(108, 99, 255, 0.08);
    color: var(--accent-primary);
    border: 1px solid rgba(108, 99, 255, 0.15);
    transition: all var(--transition-fast);
}

.tag:hover {
    background: rgba(108, 99, 255, 0.15);
    border-color: rgba(108, 99, 255, 0.3);
}

/* ===== SKILLS SECTION ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.skill-category {
    padding: 32px;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    backdrop-filter: blur(10px);
    transition: all var(--transition-smooth);
}

.skill-category:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.skill-icon-wrapper {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
}

.skill-category-header h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: 50px;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    cursor: default;
}

.skill-chip:hover {
    background: rgba(108, 99, 255, 0.1);
    border-color: var(--border-accent);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.skill-chip-icon {
    font-size: 0.8rem;
    color: var(--accent-primary);
}

/* ===== EDUCATION SECTION ===== */
.education-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.edu-card {
    position: relative;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    overflow: hidden;
    transition: all var(--transition-smooth);
}

.edu-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
}

.edu-card-accent {
    height: 4px;
    background: var(--accent-gradient);
}

.edu-card-content {
    padding: 32px;
}

.edu-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: white;
    margin-bottom: 20px;
}

.edu-period {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-tertiary);
    margin-bottom: 12px;
}

.edu-period i {
    color: var(--accent-primary);
}

.edu-degree {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.4;
}

.edu-institution {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--accent-primary);
    font-weight: 500;
    margin-bottom: 4px;
}

.edu-institution i {
    font-size: 0.75rem;
}

.edu-location {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--text-tertiary);
}

.edu-location i {
    font-size: 0.7rem;
}

/* ===== CERTIFICATIONS ===== */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.cert-card {
    position: relative;
    padding: 32px;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    text-align: center;
    overflow: hidden;
    transition: all var(--transition-smooth);
}

.cert-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
}

.cert-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(108, 99, 255, 0.05) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-smooth);
    pointer-events: none;
}

.cert-card:hover .cert-glow {
    opacity: 1;
}

.cert-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: white;
    margin: 0 auto 20px;
}

.cert-title {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 16px;
    min-height: 3em;
}

.cert-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: 50px;
    background: rgba(0, 212, 170, 0.08);
    color: var(--accent-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid rgba(0, 212, 170, 0.2);
}

.cert-badge i {
    font-size: 0.7rem;
}

/* ===== CONTACT SECTION ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    transition: all var(--transition-smooth);
    cursor: pointer;
}

.contact-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-accent);
    transform: translateX(8px);
    box-shadow: var(--shadow-glow);
}

.contact-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: white;
    flex-shrink: 0;
}

.contact-card-info h4 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.contact-card-info p {
    font-size: 0.82rem;
    color: var(--text-tertiary);
    word-break: break-all;
}

.contact-arrow {
    margin-left: auto;
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
}

.contact-card:hover .contact-arrow {
    color: var(--accent-primary);
    transform: translateX(4px);
}

/* ===== CONTACT FORM ===== */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    position: relative;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 0;
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--border-subtle);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition-fast);
    resize: none;
}

.form-group label {
    position: absolute;
    left: 0;
    top: 16px;
    font-size: 0.95rem;
    color: var(--text-tertiary);
    pointer-events: none;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    border-bottom-color: var(--accent-primary);
}

.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: -8px;
    font-size: 0.72rem;
    color: var(--accent-primary);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.form-line {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: all var(--transition-smooth);
}

.form-group input:focus ~ .form-line,
.form-group textarea:focus ~ .form-line {
    left: 0;
    width: 100%;
}

/* ===== FOOTER ===== */
.footer {
    position: relative;
    z-index: 2;
    padding: 48px 0 24px;
    border-top: 1px solid var(--border-subtle);
}

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

.footer-brand {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 700;
}

.footer-brand p {
    font-family: var(--font-primary);
    font-size: 0.82rem;
    color: var(--text-tertiary);
    font-weight: 400;
    margin-top: 4px;
}

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

.footer-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-subtle);
}

.footer-bottom p {
    font-size: 0.78rem;
    color: var(--text-tertiary);
}

/* ===== ANIMATIONS ===== */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-animate="fade-right"] {
    transform: translateX(-30px);
}

[data-animate="fade-left"] {
    transform: translateX(30px);
}

[data-animate].visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .about-grid,
    .about-grid--three {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .profile-card {
        position: static;
        max-width: 300px;
    }

    .about-visual {
        order: -1;
    }

    .skills-grid {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 64px;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        flex-direction: column;
        background: rgba(10, 10, 15, 0.97);
        backdrop-filter: blur(20px);
        padding: 100px 32px 32px;
        gap: 8px;
        transition: right var(--transition-smooth);
        border-left: 1px solid var(--border-subtle);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-link {
        font-size: 1.1rem;
        padding: 12px 16px;
        width: 100%;
    }

    .nav-link-cta {
        text-align: center;
        margin-top: 16px;
    }

    .section {
        padding: 80px 0;
    }

    .section-header {
        margin-bottom: 48px;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-number, .stat-suffix {
        font-size: 2rem;
    }

    .hero-scroll {
        display: none;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .education-grid {
        grid-template-columns: 1fr;
    }

    .cert-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        gap: 16px;
    }

    .timeline-card {
        padding: 24px;
    }

    .footer-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .name-line {
        font-size: clamp(2.2rem, 10vw, 3.5rem);
        letter-spacing: -1px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .timeline-marker {
        display: none;
    }

    .timeline-card {
        padding: 20px;
    }

    .highlight-card {
        padding: 14px;
    }

    .skill-category {
        padding: 24px;
    }

    .code-body pre {
        font-size: 0.72rem;
    }
}

/* ===== MOBILE NAV OVERLAY ===== */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-smooth);
}

.nav-overlay.active {
    opacity: 1;
    pointer-events: all;
}