/* ===== CSS Variables & Reset ===== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a2e;
    --bg-card-hover: #222240;
    --text-primary: #e8e8f0;
    --text-secondary: #a0a0b8;
    --text-muted: #6a6a80;
    --accent: #00d4ff;
    --accent-dark: #0099cc;
    --accent-glow: rgba(0, 212, 255, 0.15);
    --accent-green: #00e676;
    --accent-orange: #ff9800;
    --accent-purple: #b388ff;
    --accent-red: #ff5252;
    --accent-pink: #ff4081;
    --border: #2a2a40;
    --border-hover: #3a3a58;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ===== Typography ===== */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; }
a { text-decoration: none; color: var(--accent); transition: var(--transition); }
a:hover { color: var(--accent-dark); }

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

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
    padding: 0 24px;
}

.navbar.scrolled {
    border-bottom-color: var(--border);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

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

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

.nav-link:hover, .nav-link.active {
    color: var(--accent);
    background: var(--accent-glow);
}

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

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

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

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 40%, transparent 100%);
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero-greeting {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 1.1rem;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.hero-photo {
    margin-bottom: 24px;
}

.hero-photo img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.2);
}

.open-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    padding: 6px 16px;
    border-radius: 20px;
    background: rgba(0, 230, 118, 0.1);
    border: 1px solid rgba(0, 230, 118, 0.3);
    color: #00e676;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.open-badge i {
    font-size: 0.5rem;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero-name {
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.hero-title-wrapper {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-weight: 300;
}

.hero-title { color: var(--accent); font-weight: 500; }

.cursor {
    animation: blink 1s step-end infinite;
    color: var(--accent);
}

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

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 48px;
    line-height: 1.8;
}

.hero-subtitle strong { color: var(--text-primary); font-weight: 600; }

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.btn {
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--accent-dark);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.3);
}

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

.btn-outline:hover {
    background: var(--accent-glow);
    transform: translateY(-2px);
}

/* Hero Social */
.hero-social {
    display: flex;
    gap: 20px;
    justify-content: center;
    position: relative;
    z-index: 1;
    margin-bottom: 60px;
}

.hero-social a {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 1.2rem;
    transition: var(--transition);
}

.hero-social a:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-glow);
    transform: translateY(-3px);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    animation: fadeInUp 1s ease 2s both;
    z-index: 0;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    margin: 0 auto 8px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--accent);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s ease infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(16px); }
}

.scroll-indicator p {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ===== Sections ===== */
.section {
    padding: 100px 0;
}

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

.section-title {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 16px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--accent);
    margin: 16px auto 0;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 60px;
    font-size: 1.05rem;
}

.subsection-title {
    font-size: 1.5rem;
    margin-bottom: 32px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.subsection-title i { color: var(--accent); }

/* ===== About Section ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-lead {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 20px;
    line-height: 1.8;
}

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

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

.about-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 32px;
}

.detail {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.detail i {
    color: var(--accent);
    width: 20px;
    text-align: center;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.highlight-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
}

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

.highlight-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-glow);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 1.3rem;
    color: var(--accent);
}

.highlight-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.highlight-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

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

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--border));
}

.timeline-item {
    position: relative;
    padding-left: 48px;
    margin-bottom: 48px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-marker {
    position: absolute;
    left: -7px;
    top: 4px;
}

.marker-dot {
    width: 16px;
    height: 16px;
    background: var(--bg-primary);
    border: 3px solid var(--accent);
    border-radius: 50%;
    transition: var(--transition);
}

.timeline-item:hover .marker-dot {
    background: var(--accent);
    box-shadow: 0 0 16px var(--accent);
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: var(--transition);
}

.timeline-content:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow);
}

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

.company-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.company-name {
    font-size: 1.4rem;
    color: var(--text-primary);
}

.company-badge {
    font-size: 0.7rem;
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.company-badge.current {
    background: rgba(0, 230, 118, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(0, 230, 118, 0.3);
}

.timeline-duration {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.role-progression {
    margin-bottom: 20px;
}

.role {
    padding: 8px 0;
    border-left: 2px solid var(--border);
    padding-left: 16px;
    margin-left: 4px;
}

.role.active-role {
    border-left-color: var(--accent-green);
}

.role h4 {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

.role-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.timeline-details {
    list-style: none;
    margin-bottom: 20px;
}

.timeline-details li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
}

.timeline-details li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

.metric {
    color: var(--accent);
    font-weight: 700;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

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

.timeline-tags span {
    background: var(--accent-glow);
    color: var(--accent);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

/* ===== Skills Section ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.skill-category {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
}

.skill-category:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.skill-category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.skill-category-header i {
    font-size: 1.3rem;
    color: var(--accent);
}

.skill-category-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

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

.skill-tag {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 500;
    border: 1px solid;
    transition: var(--transition);
}

.skill-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.tag-cloud { background: rgba(0, 212, 255, 0.1); color: #00d4ff; border-color: rgba(0, 212, 255, 0.25); }
.tag-container { background: rgba(0, 230, 118, 0.1); color: #00e676; border-color: rgba(0, 230, 118, 0.25); }
.tag-ai { background: rgba(179, 136, 255, 0.1); color: #b388ff; border-color: rgba(179, 136, 255, 0.25); }
.tag-code { background: rgba(255, 152, 0, 0.1); color: #ff9800; border-color: rgba(255, 152, 0, 0.25); }
.tag-devops { background: rgba(0, 212, 255, 0.1); color: #00d4ff; border-color: rgba(0, 212, 255, 0.25); }
.tag-network { background: rgba(255, 64, 129, 0.1); color: #ff4081; border-color: rgba(255, 64, 129, 0.25); }
.tag-monitor { background: rgba(0, 230, 118, 0.1); color: #00e676; border-color: rgba(0, 230, 118, 0.25); }
.tag-os { background: rgba(255, 152, 0, 0.1); color: #ff9800; border-color: rgba(255, 152, 0, 0.25); }
.tag-db { background: rgba(179, 136, 255, 0.1); color: #b388ff; border-color: rgba(179, 136, 255, 0.25); }
.tag-hw { background: rgba(255, 82, 82, 0.1); color: #ff5252; border-color: rgba(255, 82, 82, 0.25); }
.tag-method { background: rgba(0, 212, 255, 0.1); color: #00d4ff; border-color: rgba(0, 212, 255, 0.25); }
.tag-soft { background: rgba(255, 152, 0, 0.1); color: #ff9800; border-color: rgba(255, 152, 0, 0.25); }

/* ===== Certifications ===== */
.cert-filter {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
}

.cert-filter-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 8px 24px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}

.cert-filter-btn.active, .cert-filter-btn:hover {
    background: var(--accent-glow);
    border-color: var(--accent);
    color: var(--accent);
}

.certs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.cert-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    position: relative;
    transition: var(--transition);
}

.cert-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.cert-card.expired {
    opacity: 0.65;
}

.cert-card.expired:hover {
    opacity: 0.85;
}

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

.cert-status {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 0.7rem;
    padding: 3px 10px;
    border-radius: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cert-status.active {
    background: rgba(0, 230, 118, 0.15);
    color: var(--accent-green);
}

.cert-status.expired-badge {
    background: rgba(255, 82, 82, 0.15);
    color: var(--accent-red);
}

.cert-icon {
    width: 48px;
    height: 48px;
    background: var(--accent-glow);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 1.2rem;
    color: var(--accent);
    overflow: hidden;
}

.cert-icon img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.cert-card h4 {
    font-size: 0.95rem;
    margin-bottom: 8px;
    color: var(--text-primary);
    padding-right: 50px;
}

.cert-issuer {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 500;
}

.cert-date {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-family: var(--font-mono);
}

/* ===== Achievements ===== */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
    margin-bottom: 80px;
}

.achievement-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

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

.achievement-value {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--accent);
    font-family: var(--font-mono);
    margin-bottom: 12px;
    line-height: 1;
}

.achievement-value .per-year {
    font-size: 1.2rem;
    color: var(--text-muted);
}

.achievement-label {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
}

/* ===== Education ===== */
.education-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.education-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
}

.education-card:hover {
    border-color: var(--border-hover);
}

.education-card h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.edu-field {
    color: var(--accent);
    font-weight: 500;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

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

.edu-year {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-family: var(--font-mono);
    margin-top: 4px;
}

/* ===== Contact ===== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    text-align: center;
    transition: var(--transition);
    display: block;
}

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

.contact-icon {
    width: 56px;
    height: 56px;
    background: var(--accent-glow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.4rem;
    color: var(--accent);
    transition: var(--transition);
}

.contact-card:hover .contact-icon {
    background: var(--accent);
    color: var(--bg-primary);
    transform: scale(1.1);
}

.contact-card h4 {
    font-size: 1rem;
    margin-bottom: 6px;
    color: var(--text-primary);
}

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

/* ===== Why Hire Me ===== */
.whyme-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.whyme-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    transition: var(--transition);
    position: relative;
}

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

.whyme-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    opacity: 0.2;
    position: absolute;
    top: 20px;
    right: 24px;
    line-height: 1;
}

.whyme-card h3 {
    font-size: 1.15rem;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.whyme-card p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.7;
}

.whyme-card strong {
    color: var(--text-primary);
    font-weight: 600;
}

.whyme-card em {
    color: var(--accent);
    font-style: italic;
}

/* ===== Contact CTA Box ===== */
.contact-cta-box {
    text-align: center;
    margin-bottom: 40px;
}

.contact-lead {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.8;
}

.contact-lead strong {
    color: var(--accent);
    font-weight: 600;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
    padding: 32px 0;
}

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

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

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

.footer-links a {
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: var(--transition);
}

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

/* ===== Animations ===== */
.animate-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }
.delay-5 { animation-delay: 1s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Particles Canvas ===== */
.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.hero-content { position: relative; z-index: 1; }

/* ===== Scroll Reveal ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal.visible > * {
    opacity: 1;
    transform: translateY(0);
}
.reveal.visible > *:nth-child(1)  { transition-delay: 0.05s; }
.reveal.visible > *:nth-child(2)  { transition-delay: 0.10s; }
.reveal.visible > *:nth-child(3)  { transition-delay: 0.15s; }
.reveal.visible > *:nth-child(4)  { transition-delay: 0.20s; }
.reveal.visible > *:nth-child(5)  { transition-delay: 0.25s; }
.reveal.visible > *:nth-child(6)  { transition-delay: 0.30s; }
.reveal.visible > *:nth-child(7)  { transition-delay: 0.35s; }
.reveal.visible > *:nth-child(8)  { transition-delay: 0.40s; }
.reveal.visible > *:nth-child(9)  { transition-delay: 0.45s; }
.reveal.visible > *:nth-child(10) { transition-delay: 0.50s; }
.reveal.visible > *:nth-child(11) { transition-delay: 0.55s; }
.reveal.visible > *:nth-child(12) { transition-delay: 0.60s; }

/* ===== Ring Charts ===== */
.rings-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

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

.ring-item p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    margin-top: 8px;
}

.ring-chart {
    position: relative;
    width: 110px;
    height: 110px;
}

.ring-chart svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.ring-bg {
    fill: none;
    stroke: var(--border);
    stroke-width: 6;
}

.ring-fill {
    fill: none;
    stroke: var(--color, var(--accent));
    stroke-width: 6;
    stroke-linecap: round;
    stroke-dasharray: 326.73;
    stroke-dashoffset: 326.73;
    transition: stroke-dashoffset 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.ring-chart.animated .ring-fill {
    stroke-dashoffset: var(--offset);
}

.ring-val {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
}

/* ===== Experience Bars ===== */
.exp-bars {
    max-width: 700px;
    margin: 0 auto 60px;
}

.exp-bar-item {
    margin-bottom: 22px;
}

.exp-bar-head {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.exp-bar-head span:first-child {
    color: var(--text-primary);
    font-weight: 500;
}

.exp-bar-head span:last-child {
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
}

.exp-bar-track {
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.exp-bar-fill {
    height: 100%;
    width: 0;
    background: var(--bar-color, var(--accent));
    border-radius: 4px;
    transition: width 1.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.exp-bar-fill::after {
    content: '';
    position: absolute;
    top: 0; right: 0; bottom: 0;
    width: 30px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2));
    border-radius: 4px;
}

.exp-bar-fill.animated {
    width: var(--target-width);
}

/* ===== Card Tilt (3D hover) ===== */
.tilt-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    transform-style: preserve-3d;
}

/* ===== Achievement Counter Animation ===== */
.achievement-value {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 12px;
    line-height: 1;
}

/* ===== Typing cursor blink ===== */
.typed-cursor {
    animation: blink 0.7s step-end infinite;
    color: var(--accent);
    font-weight: 300;
}
@keyframes blink {
    50% { opacity: 0; }
}

/* ===== Glow pulse on hero photo ===== */
.hero-photo img {
    animation: glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 212, 255, 0.15); }
    50% { box-shadow: 0 0 40px rgba(0, 212, 255, 0.35), 0 0 60px rgba(0, 212, 255, 0.1); }
}

/* ===== Stat counter pop ===== */
.stat-value.counted {
    animation: popIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
@keyframes popIn {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-toggle { display: block; }

    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px;
        gap: 4px;
        transform: translateY(-100%);
        opacity: 0;
        transition: var(--transition);
        pointer-events: none;
        border-bottom: 1px solid var(--border);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-link {
        padding: 12px 16px;
        font-size: 1rem;
    }

    .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 { padding: 100px 20px 60px; }

    .hero-stats {
        gap: 24px;
    }

    .stat-value { font-size: 1.4rem; }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    .section { padding: 60px 0; }

    .rings-grid { gap: 20px; }
    .ring-chart { width: 85px; height: 85px; }
    .ring-val { font-size: 1rem; }

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

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

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

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

    .timeline::before { left: 0; }
    .timeline-item { padding-left: 32px; }
    .timeline-marker { left: -7px; }

    .timeline-header {
        flex-direction: column;
    }

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

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

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

    .achievement-value {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

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

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