/* ==========================================================================
   ANIH JOSHI - PROFESSIONAL & MINIMALIST PORTFOLIO STYLESHEET
   Clean, modern, engineer-focused design system
   ========================================================================== */

/* ---------- CSS VARIABLES & DESIGN TOKENS ---------- */
:root {
    --bg-page: #f8fafc;
    --bg-surface: #ffffff;
    --bg-subtle: #f1f5f9;
    --bg-elevated: #ffffff;

    --border-subtle: #e2e8f0;
    --border-hover: #cbd5e1;
    --border-accent: rgba(37, 99, 235, 0.35);

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-inverse: #ffffff;

    --accent-blue: #2563eb;
    --accent-blue-hover: #1d4ed8;
    --accent-cyan: #0284c7;
    --accent-green: #10b981;

    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
    --gradient-subtle: linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(6, 182, 212, 0.08) 100%);

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 12px 30px -4px rgba(15, 23, 42, 0.08);
    --shadow-hover: 0 20px 35px -6px rgba(37, 99, 235, 0.12);

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-display: 'Space Grotesk', var(--font-sans);
    --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
    background-color: var(--bg-page);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    position: relative;
}

.mono {
    font-family: var(--font-mono);
}

/* Background Subtle Dot-Grid Pattern */
.bg-grid-pattern {
    position: fixed;
    inset: 0;
    z-index: -1;
    background-image: radial-gradient(rgba(148, 163, 184, 0.25) 1px, transparent 1px);
    background-size: 28px 28px;
    -webkit-mask-image: radial-gradient(circle at 50% 10%, rgba(0, 0, 0, 0.9) 0%, transparent 85%);
    mask-image: radial-gradient(circle at 50% 10%, rgba(0, 0, 0, 0.9) 0%, transparent 85%);
    pointer-events: none;
}

/* ---------- HEADER & NAVIGATION ---------- */
.header-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(248, 250, 252, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
    transition: var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-logo {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

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

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 28px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
    padding: 4px 0;
}

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

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

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

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

.btn-nav {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.btn-nav:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    flex-direction: column;
    gap: 5px;
}

.mobile-toggle .bar {
    width: 22px;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ---------- COMMON LAYOUT & SECTIONS ---------- */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-container {
    padding: 100px 0 20px;
    border-top: 1px solid rgba(226, 232, 240, 0.7);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.section-tag {
    display: inline-block;
    color: var(--accent-blue);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.section-divider {
    width: 48px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    margin: 16px auto 0;
}

.section-lead-center {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: -30px;
    margin-bottom: 45px;
}

/* ---------- HERO SECTION ---------- */
.hero-section {
    padding: 140px 0 60px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 6px 14px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-green);
    border-radius: var(--radius-full);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    animation: pulsing 1.8s infinite;
}

@keyframes pulsing {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 20px;
}

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

.hero-subtitle {
    font-size: 1.08rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 28px;
    max-width: 620px;
}

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

/* Terminal Card Widget */
.terminal-card {
    background: #0f172a;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid #1e293b;
    margin-bottom: 32px;
    max-width: 580px;
}

.terminal-header {
    background: #1e293b;
    padding: 9px 14px;
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
}

.dot-close { background: #ef4444; }
.dot-minimize { background: #eab308; }
.dot-maximize { background: #22c55e; }

.terminal-label {
    font-size: 0.78rem;
    color: #94a3b8;
}

.terminal-content {
    padding: 16px 18px;
    font-size: 0.85rem;
    color: #e2e8f0;
    line-height: 1.6;
}

.terminal-row {
    display: flex;
    gap: 8px;
    margin-bottom: 4px;
}

.cmd-prompt {
    color: #38bdf8;
    font-weight: 600;
}

.cmd-text {
    color: #f8fafc;
}

.terminal-output {
    color: #94a3b8;
    padding-left: 16px;
    margin-bottom: 10px;
    font-size: 0.82rem;
    word-break: break-word;
}

.text-accent {
    color: #38bdf8 !important;
}

/* Hero CTA Group */
.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: 0.94rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.btn-primary {
    background: var(--text-primary);
    color: var(--text-inverse);
    border: 1px solid var(--text-primary);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.icon-sm {
    font-size: 0.8rem;
}

.hero-social-links {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 6px;
}

.social-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 1.15rem;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.social-icon-btn:hover {
    color: var(--accent-blue);
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Hero Visual / Avatar Frame */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.avatar-card {
    position: relative;
    width: 320px;
}

.avatar-glow {
    position: absolute;
    inset: -15px;
    background: var(--gradient-primary);
    border-radius: 28px;
    filter: blur(40px);
    opacity: 0.18;
    z-index: 0;
}

.avatar-frame {
    position: relative;
    z-index: 1;
    width: 320px;
    height: 380px;
    padding: 10px;
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-lg);
}

.tech-corner {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--accent-blue);
    z-index: 2;
}

.tech-corner.tl { top: -2px; left: -2px; border-right: none; border-bottom: none; border-radius: 6px 0 0 0; }
.tech-corner.tr { top: -2px; right: -2px; border-left: none; border-bottom: none; border-radius: 0 6px 0 0; }
.tech-corner.bl { bottom: -2px; left: -2px; border-right: none; border-top: none; border-radius: 0 0 0 6px; }
.tech-corner.br { bottom: -2px; right: -2px; border-left: none; border-top: none; border-radius: 0 0 6px 0; }

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: calc(var(--radius-lg) - 6px);
    display: block;
}

.floating-badge {
    position: absolute;
    bottom: -18px;
    right: -14px;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    padding: 10px 16px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.badge-icon {
    font-size: 1.4rem;
    color: var(--accent-blue);
}

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

.badge-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
}

.badge-desc {
    font-size: 0.74rem;
    color: var(--text-muted);
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 60px;
}

.metric-card {
    background: var(--bg-surface);
    padding: 22px 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

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

.metric-icon {
    width: 46px;
    height: 46px;
    background: var(--bg-subtle);
    color: var(--accent-blue);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.metric-info {
    display: flex;
    flex-direction: column;
}

.metric-value {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.metric-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ---------- ABOUT SECTION ---------- */
.about-grid {
    display: grid;
    grid-template-columns: 1.35fr 0.85fr;
    gap: 40px;
}

.about-narrative {
    background: var(--bg-surface);
    padding: 38px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
}

.lead-text {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.7;
    margin-bottom: 18px;
}

.about-narrative p {
    font-size: 0.98rem;
    line-height: 1.75;
    margin-bottom: 24px;
}

.pillars-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 10px;
}

.pillar-item {
    display: flex;
    gap: 16px;
    padding: 18px;
    background: var(--bg-subtle);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    transition: transform var(--transition-fast);
}

.pillar-item:hover {
    transform: translateX(4px);
    border-color: var(--border-accent);
}

.pillar-icon {
    width: 40px;
    height: 40px;
    background: var(--bg-surface);
    color: var(--accent-blue);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
    border: 1px solid var(--border-subtle);
}

.pillar-item h4 {
    font-size: 0.98rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.pillar-item p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.55;
    margin-bottom: 0;
}

.sidebar-card {
    background: var(--bg-surface);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
}

.card-heading {
    font-size: 1.12rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-heading i {
    color: var(--accent-blue);
}

.contact-quicklist {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-quicklist li {
    display: flex;
    flex-direction: column;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 12px;
}

.contact-quicklist li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.contact-quicklist .label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 3px;
}

.contact-quicklist .val {
    font-size: 0.93rem;
    font-weight: 500;
    color: var(--text-primary);
}

.contact-quicklist .val-link {
    color: var(--accent-blue);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color var(--transition-fast);
}

.contact-quicklist .val-link:hover {
    text-decoration: underline;
    color: var(--accent-blue-hover);
}

/* ---------- EXPERIENCE SECTION ---------- */
.experience-timeline {
    position: relative;
    max-width: 860px;
    margin: 0 auto;
    padding-left: 36px;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    top: 10px;
    bottom: 20px;
    left: 11px;
    width: 2px;
    background: var(--border-subtle);
}

.timeline-item {
    position: relative;
    margin-bottom: 45px;
}

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

.timeline-marker {
    position: absolute;
    top: 24px;
    left: -36px;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background: var(--bg-surface);
    border: 3px solid var(--accent-blue);
    box-shadow: 0 0 0 4px var(--bg-page);
    z-index: 1;
}

.timeline-card {
    background: var(--bg-surface);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

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

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 18px;
}

.role-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.company-name {
    font-size: 0.96rem;
    font-weight: 600;
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    gap: 8px;
}

.duration-badge {
    padding: 4px 12px;
    background: var(--bg-subtle);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
    white-space: nowrap;
}

.role-bullets {
    padding-left: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.94rem;
    line-height: 1.65;
}

.timeline-footer {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px dashed var(--border-subtle);
}

.btn-text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.btn-text-link:hover {
    color: var(--accent-blue-hover);
    text-decoration: underline;
}

/* ---------- SKILLS SECTION ---------- */
.skills-categorized-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.skill-category-card {
    background: var(--bg-surface);
    padding: 30px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

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

.category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 22px;
}

.category-header i {
    font-size: 1.4rem;
    color: var(--accent-blue);
}

.category-header h3 {
    font-family: var(--font-display);
    font-size: 1.18rem;
    font-weight: 700;
    color: var(--text-primary);
}

.skills-pill-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: 0.86rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.skill-badge i {
    color: var(--accent-blue);
    font-size: 0.95rem;
}

.skill-badge:hover {
    background: var(--bg-surface);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* ---------- PROJECTS SECTION ---------- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.project-card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    padding: 30px;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
}

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

.project-card.featured {
    border-top: 3px solid var(--accent-blue);
}

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

.project-badge-tag {
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--accent-blue);
    background: rgba(37, 99, 235, 0.08);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    letter-spacing: 0.04em;
}

.project-links-top {
    display: flex;
    align-items: center;
    gap: 12px;
}

.link-icon {
    color: var(--text-muted);
    font-size: 1.15rem;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.project-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.35;
}

.project-description {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 22px;
    flex-grow: 1;
}

.project-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.project-tech-stack span {
    font-size: 0.74rem;
    padding: 3px 8px;
    background: var(--bg-subtle);
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
}

.project-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: auto;
}

.btn-card-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: var(--radius-md);
    font-size: 0.86rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
    flex: 1;
    text-align: center;
}

.btn-card-action.primary {
    background: var(--accent-blue);
    color: #ffffff;
    border: 1px solid var(--accent-blue);
}

.btn-card-action.primary:hover {
    background: var(--accent-blue-hover);
    border-color: var(--accent-blue-hover);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

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

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

/* ---------- CERTIFICATIONS SECTION ---------- */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    max-width: 1040px;
    margin: 0 auto;
}

.cert-card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    padding: 30px;
    display: flex;
    gap: 22px;
    align-items: flex-start;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
    border-left: 4px solid var(--accent-blue);
}

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

.cert-icon-wrapper {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.4rem;
    flex-shrink: 0;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}

.cert-details {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.cert-issuer {
    font-size: 0.78rem;
    color: var(--accent-blue);
    font-weight: 600;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cert-name {
    font-family: var(--font-display);
    font-size: 1.12rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.35;
}

.cert-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.55;
    margin-bottom: 18px;
}

.cert-link-box {
    margin-top: auto;
}

.btn-cert-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 16px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.btn-cert-link:hover {
    background: var(--accent-blue);
    color: #ffffff;
    border-color: var(--accent-blue);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
    transform: translateY(-1px);
}

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

.education-card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    padding: 30px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

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

.education-card.highlight {
    border-top: 3px solid var(--accent-blue);
}

.edu-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.edu-badge {
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-subtle);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-subtle);
}

.edu-score {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent-blue);
}

.edu-degree {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
    line-height: 1.35;
}

.edu-school {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.edu-school i {
    color: var(--accent-blue);
}

.edu-details {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-top: auto;
}

/* ---------- CONTACT SECTION ---------- */
.contact-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 24px;
    padding: 60px 48px;
    text-align: center;
    max-width: 980px;
    margin: 0 auto;
    box-shadow: var(--shadow-md);
}

.contact-title {
    font-family: var(--font-display);
    font-size: 2.3rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    margin: 12px 0 16px;
    line-height: 1.25;
}

.contact-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 660px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.contact-cards-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 36px;
    text-align: left;
}

.contact-card {
    background: var(--bg-subtle);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-fast);
}

.contact-card:hover {
    background: var(--bg-surface);
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.contact-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--bg-surface);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
    border: 1px solid var(--border-subtle);
}

.contact-card-text {
    display: flex;
    flex-direction: column;
}

.contact-type {
    font-size: 0.74rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.contact-val {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
    word-break: break-all;
}

.contact-social-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.social-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-full);
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.social-pill:hover {
    background: var(--accent-blue);
    color: #ffffff;
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.social-pill.highlight-pill {
    background: var(--text-primary);
    color: #ffffff;
    border-color: var(--text-primary);
}

.social-pill.highlight-pill:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

/* ---------- FOOTER ---------- */
.footer {
    padding: 40px 0;
    margin-top: 80px;
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-surface);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-text {
    font-size: 0.84rem;
    color: var(--text-muted);
}

.footer-right p {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* ---------- RESPONSIVE DESIGN BREAKPOINTS ---------- */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .hero-visual {
        order: -1;
    }

    .avatar-card {
        width: 280px;
    }

    .avatar-frame {
        width: 280px;
        height: 330px;
    }

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

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

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

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .section-container {
        padding: 70px 0 10px;
    }

    .hero-section {
        padding: 120px 0 40px;
    }

    .hero-title {
        font-size: 2.35rem;
    }

    .section-title {
        font-size: 1.85rem;
    }

    .skills-categorized-grid,
    .certifications-grid,
    .contact-cards-container {
        grid-template-columns: 1fr;
    }

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

    .mobile-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 65px;
        left: 0;
        width: 100%;
        background: var(--bg-surface);
        border-bottom: 1px solid var(--border-subtle);
        padding: 24px;
        transform: translateY(-150%);
        transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .nav-links {
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
    }

    .card-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .contact-box {
        padding: 40px 20px;
    }

    .contact-title {
        font-size: 1.8rem;
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .footer-left {
        align-items: center;
    }
}

@media (max-width: 480px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }

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

    .btn {
        justify-content: center;
    }

    .hero-social-links {
        justify-content: center;
        margin-left: 0;
        margin-top: 10px;
    }
}