:root {
    --accent: #c41e3a;
    --accent-light: #e63950;
    --accent-soft: #fff1f3;
    --accent-glow: rgba(196, 30, 58, 0.12);
    --surface: rgba(255, 255, 255, 0.88);
    --surface-elevated: rgba(255, 255, 255, 0.96);
    --surface-solid: #ffffff;
    --text: #0f172a;
    --text-muted: #64748b;
    --text-secondary: #475569;
    --border: rgba(15, 23, 42, 0.1);
    --border-accent: rgba(196, 30, 58, 0.16);
    --border-hover: rgba(196, 30, 58, 0.28);

    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 22px;

    --shadow-sm: 0 8px 22px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 18px 48px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 24px 64px rgba(15, 23, 42, 0.12);
    --shadow-xl: 0 32px 80px rgba(15, 23, 42, 0.14);

    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    --font-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
    --font-sm: clamp(0.8125rem, 0.78rem + 0.2vw, 0.875rem);
    --font-base: clamp(0.9375rem, 0.9rem + 0.2vw, 1rem);
    --font-lg: clamp(1.0625rem, 1rem + 0.3vw, 1.125rem);
    --font-xl: clamp(1.25rem, 1.1rem + 0.6vw, 1.375rem);
    --font-2xl: clamp(1.5rem, 1.3rem + 0.8vw, 1.75rem);
    --font-3xl: clamp(2rem, 1.6rem + 1.6vw, 2.75rem);
    --font-4xl: clamp(2.25rem, 1.8rem + 2vw, 3.25rem);

    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    --top-bar-height: 64px;
    --content-max: 1120px;
    --content-padding: clamp(16px, 4vw, 32px);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: var(--font-base);
    font-weight: 400;
    background:
        linear-gradient(135deg, rgba(196, 30, 58, 0.08) 0%, rgba(196, 30, 58, 0) 34%),
        linear-gradient(225deg, rgba(15, 23, 42, 0.06) 0%, rgba(15, 23, 42, 0) 32%),
        linear-gradient(180deg, #fbfcff 0%, #f5f7fb 42%, #eef2f7 100%);
    color: var(--text);
    overflow-x: hidden;
    min-height: 100vh;
    transition: background 0.5s ease, color 0.5s ease;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(15, 23, 42, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.035) 1px, transparent 1px);
    background-size: 48px 48px;
    -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 70%);
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent 70%);
}

body.dev-mode {
    --accent: #00e676;
    --accent-light: #69f0ae;
    --accent-soft: rgba(0, 230, 118, 0.08);
    --accent-glow: rgba(0, 230, 118, 0.14);
    --surface: rgba(12, 16, 24, 0.9);
    --surface-elevated: rgba(16, 20, 30, 0.96);
    --surface-solid: #0c1018;
    --text: #e8edf5;
    --text-muted: #94a3b8;
    --border: rgba(0, 230, 118, 0.12);
    --border-accent: rgba(0, 230, 118, 0.2);
    background:
        linear-gradient(135deg, rgba(0, 230, 118, 0.1) 0%, rgba(0, 230, 118, 0) 36%),
        linear-gradient(180deg, #06080d 0%, #0a1018 100%);
    color: var(--text);
}

body.dev-mode::before {
    background-image:
        linear-gradient(rgba(0, 230, 118, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 230, 118, 0.05) 1px, transparent 1px);
}

body.nav-open {
    overflow: hidden;
}

.content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: var(--content-max);
    margin: 0 auto;
    padding: calc(var(--top-bar-height) + var(--space-xl)) var(--content-padding) var(--space-2xl);
}

/* ── Top bar ── */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    height: var(--top-bar-height);
    padding: 0 var(--content-padding);
    background: rgba(255, 255, 255, 0.86);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(18px) saturate(1.2);
    -webkit-backdrop-filter: blur(18px) saturate(1.2);
    box-shadow: 0 8px 28px rgba(15, 23, 42, 0.05);
}

body.dev-mode .top-bar {
    background: rgba(6, 8, 13, 0.88);
    border-bottom-color: var(--border);
}

.top-bar-brand {
    font-weight: 700;
    font-size: var(--font-sm);
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.02em;
    white-space: nowrap;
    flex-shrink: 0;
}

.top-bar-brand span {
    color: var(--accent);
}

.top-bar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-left: auto;
}

.main-nav {
    display: flex;
    flex-wrap: nowrap;
    gap: 2px;
    align-items: center;
}

.main-nav a {
    color: var(--text-muted);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 999px;
    font-weight: 500;
    font-size: var(--font-xs);
    white-space: nowrap;
    transition: color var(--transition-base), background var(--transition-base), transform var(--transition-fast);
    position: relative;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a.active {
    background: var(--accent-glow);
    color: var(--accent);
    transform: translateY(-1px);
}

.main-nav a:focus-visible {
    outline: 2px solid var(--accent-glow);
    outline-offset: 2px;
}

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-elevated);
    color: var(--text);
    font-size: 1.25rem;
    cursor: pointer;
    flex-shrink: 0;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.nav-toggle:hover {
    border-color: var(--border-accent);
}

.nav-toggle:focus-visible {
    outline: 2px solid var(--accent-glow);
    outline-offset: 2px;
}

.mode-toggle {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-shrink: 0;
}

.mode-btn {
    background: transparent;
    border: 1px solid var(--border);
    padding: 8px 14px;
    border-radius: 999px;
    font-weight: 600;
    font-size: var(--font-xs);
    cursor: pointer;
    color: var(--text-muted);
    white-space: nowrap;
    transition: background var(--transition-base), color var(--transition-base), transform var(--transition-fast), border-color var(--transition-base);
    position: relative;
}

.mode-btn:hover {
    transform: translateY(-1px);
    border-color: var(--border-accent);
}

.mode-btn.active {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 6px 20px var(--accent-glow), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

body.dev-mode .mode-btn.active {
    background: var(--accent);
    color: #06080d;
}

/* Mobile nav overlay */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 150;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

body.dev-mode .mobile-nav-overlay {
    background: rgba(0, 0, 0, 0.6);
}

.mobile-nav-overlay.open {
    display: block;
    opacity: 1;
}

.mobile-nav-panel {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 160;
    width: min(300px, 85vw);
    height: 100%;
    padding: calc(var(--top-bar-height) + var(--space-lg)) var(--space-lg) var(--space-lg);
    background: var(--surface-elevated);
    border-left: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.mobile-nav-panel.open {
    transform: translateX(0);
}

.mobile-nav-panel a {
    display: block;
    padding: 14px var(--space-md);
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-base);
    border-radius: var(--radius-sm);
    transition: background 0.2s ease, color 0.2s ease;
}

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

.mobile-nav-panel a + a {
    margin-top: 4px;
}

/* ── Hero header ── */
.header {
    text-align: center;
    padding: clamp(40px, 6vw, 64px) clamp(20px, 4vw, 44px);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.9)),
        linear-gradient(135deg, rgba(196, 30, 58, 0.08), rgba(196, 30, 58, 0));
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    border: 1px solid rgba(255, 255, 255, 0.72);
    box-shadow: var(--shadow-lg);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 18%;
    right: 18%;
    height: 3px;
    border-radius: 0 0 999px 999px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

body.dev-mode .header {
    background: var(--surface);
    border-color: var(--border);
}

.profile-image {
    width: clamp(112px, 22vw, 168px);
    height: clamp(112px, 22vw, 168px);
    border-radius: 50%;
    margin: 0 auto var(--space-lg);
    border: 4px solid var(--accent);
    box-shadow: 0 0 0 8px var(--accent-glow), 0 18px 42px rgba(15, 23, 42, 0.14);
    object-fit: cover;
    transition: transform var(--transition-slow), box-shadow var(--transition-slow), filter var(--transition-slow);
}

.profile-image:hover {
    transform: scale(1.04);
    box-shadow: 0 0 0 10px var(--accent-glow), 0 12px 40px rgba(196, 30, 58, 0.25);
    filter: brightness(1.05);
}

body.dev-mode .profile-image {
    border-color: var(--accent);
    box-shadow: 0 0 0 6px var(--accent-glow), var(--shadow-sm);
}

.name {
    font-size: var(--font-4xl);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: var(--space-sm);
}

.name span {
    color: var(--accent);
}

.name small {
    display: block;
    color: var(--text-muted);
    font-size: clamp(1.2rem, 3vw, 2rem);
    font-weight: 700;
    line-height: 1.4;
    margin-top: var(--space-xs);
}

.role {
    font-size: var(--font-lg);
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: var(--space-xs);
    letter-spacing: -0.01em;
}

.location-badge {
    color: var(--text-muted);
    font-size: var(--font-sm);
    margin-bottom: var(--space-lg);
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.stat-pill {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    min-width: clamp(96px, 24vw, 120px);
    border-radius: 14px;
    background: linear-gradient(180deg, var(--surface-solid), rgba(248, 250, 252, 0.9));
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

body.dev-mode .stat-pill {
    background: rgba(255, 255, 255, 0.04);
}

.stat-pill strong {
    display: block;
    font-size: var(--font-lg);
    font-weight: 700;
    color: var(--accent);
    line-height: 1.2;
    margin-bottom: 2px;
}

.stat-pill span {
    color: var(--text-muted);
    font-size: var(--font-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.contact-info {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.contact-info a {
    color: var(--text);
    text-decoration: none;
    padding: 11px 16px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.82);
    border: 1.5px solid var(--border);
    font-size: var(--font-sm);
    font-weight: 600;
    transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.contact-info a:hover,
.contact-info a:focus-visible {
    transform: translateY(-2px);
    border-color: var(--border-hover);
    box-shadow: 0 6px 16px rgba(196, 30, 58, 0.12);
}

body.dev-mode .contact-info a {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border);
    color: var(--text);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.cta-button {
    display: inline-block;
    margin-top: var(--space-md);
    padding: 13px 32px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: var(--font-sm);
    letter-spacing: -0.01em;
    box-shadow: 0 8px 24px var(--accent-glow), inset 0 1px 0 rgba(255, 255, 255, 0.15);
    transition: transform var(--transition-base), box-shadow var(--transition-base), filter var(--transition-base);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.hero-actions .cta-button {
    margin-top: 0;
}

.cta-button-secondary {
    background: var(--surface-solid);
    color: var(--accent);
    border: 1.5px solid var(--border-accent);
    box-shadow: var(--shadow-sm);
}

body.dev-mode .cta-button {
    color: #06080d;
}

body.dev-mode .cta-button-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--accent);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px var(--accent-glow), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.cta-button:active {
    transform: translateY(-1px);
}

/* ── Sections ── */
.section {
    background: var(--surface);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-radius: var(--radius-md);
    padding: clamp(28px, 5vw, 40px);
    margin-bottom: var(--space-lg);
    border: 1px solid rgba(255, 255, 255, 0.62);
    transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
    box-shadow: var(--shadow-md);
    scroll-margin-top: calc(var(--top-bar-height) + 16px);
}

.section:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

body.dev-mode .section:hover {
    border-color: rgba(0, 230, 118, 0.35);
}

.section.reveal {
    opacity: 0;
    transform: translateY(20px);
}

.section.reveal.visible,
.header.reveal.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.header.reveal {
    opacity: 0;
    transform: translateY(16px);
}

.section-title {
    font-size: var(--font-xl);
    font-weight: 800;
    color: var(--accent);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    letter-spacing: -0.02em;
    text-transform: uppercase;
    font-size: clamp(0.95rem, 1vw + 0.8rem, 1.15rem);
}

.section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, var(--border-accent), transparent);
}

.section:target {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.summary-text {
    color: var(--text-muted);
    font-size: var(--font-base);
    line-height: 1.75;
    max-width: 72ch;
}

.summary-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.summary-highlights span {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--accent-soft), rgba(255, 255, 255, 0.72));
    color: var(--text-secondary);
    border: 1px solid var(--border);
    font-weight: 500;
    font-size: var(--font-sm);
    line-height: 1.6;
    transition: border-color var(--transition-base), transform var(--transition-base), background var(--transition-base), box-shadow var(--transition-base);
    position: relative;
}

body.dev-mode .summary-highlights span {
    background: linear-gradient(135deg, rgba(0, 230, 118, 0.05), rgba(0, 230, 118, 0.02));
}

.summary-highlights span::before {
    content: '→';
    color: var(--accent);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
}

.summary-highlights span:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(196, 30, 58, 0.1);
    background: linear-gradient(135deg, rgba(196, 30, 58, 0.05), rgba(196, 30, 58, 0.02));
    color: var(--text);
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.resource-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 180px;
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.9)),
        linear-gradient(135deg, var(--accent-soft), transparent);
    color: var(--text);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.resource-card:hover,
.resource-card:focus-visible {
    transform: translateY(-3px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.resource-card:focus-visible {
    outline: 2px solid var(--accent-glow);
    outline-offset: 2px;
}

.resource-kicker {
    color: var(--accent);
    font-size: var(--font-xs);
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.resource-card strong {
    font-size: var(--font-lg);
    line-height: 1.3;
}

.resource-card span:last-child {
    color: var(--text-muted);
    font-size: var(--font-sm);
    line-height: 1.65;
}

body.dev-mode .resource-card {
    background: rgba(255, 255, 255, 0.04);
}

/* ── Journey path (grid) ── */
.journey-container {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: var(--space-lg) var(--space-xs);
    padding: var(--space-md) 0 var(--space-xl);
    align-items: start;
}

.journey-step {
    display: grid;
    grid-template-rows: auto auto;
    justify-items: center;
    gap: var(--space-sm);
    position: relative;
    text-align: center;
}

.journey-step:not(:last-child)::after {
    content: '→';
    position: absolute;
    top: clamp(22px, 5vw, 26px);
    right: calc(var(--space-xs) / -2 - 6px);
    transform: translate(50%, -50%);
    font-size: 0.875rem;
    color: var(--accent);
    opacity: 0.65;
    pointer-events: none;
}

.journey-circle {
    width: clamp(48px, 10vw, 56px);
    height: clamp(48px, 10vw, 56px);
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 24px var(--accent-glow);
    border: 2px solid var(--surface-solid);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

body.dev-mode .journey-circle {
    border-color: var(--surface-solid);
}

.journey-circle:hover {
    transform: scale(1.12);
    box-shadow: 0 8px 28px var(--accent-glow);
}

.journey-icon {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    line-height: 1;
}

.journey-label {
    font-weight: 600;
    color: var(--text);
    font-size: var(--font-xs);
    line-height: 1.35;
    max-width: 100%;
    word-break: break-word;
}

body.dev-mode .journey-label {
    color: var(--accent);
    font-family: 'Fira Code', monospace;
}

@media (max-width: 900px) {
    .journey-container {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: var(--space-xl) var(--space-sm);
    }

    .journey-step:not(:last-child)::after {
        display: none;
    }
}

/* ── Experience timeline ── */
.timeline {
    position: relative;
    padding-left: var(--space-lg);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--border));
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-xl);
}

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

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--space-lg) + 2px);
    top: 8px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    z-index: 1;
}

.timeline-content {
    padding-left: var(--space-sm);
}

.job-title {
    font-size: var(--font-lg);
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.01em;
    margin-bottom: 4px;
    line-height: 1.3;
}

body.dev-mode .job-title {
    color: var(--text);
}

.job-meta {
    font-size: var(--font-sm);
    color: var(--accent);
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.bullet-points {
    list-style: none;
    padding: 0;
}

.bullet-points li {
    padding-left: 20px;
    margin-bottom: 10px;
    position: relative;
    line-height: 1.7;
    color: var(--text);
    font-size: var(--font-sm);
}

.bullet-points li:last-child {
    margin-bottom: 0;
}

.bullet-points li::before {
    content: '▹';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent);
    font-size: 1rem;
    line-height: 1.7;
}

/* ── Skills ── */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
    gap: var(--space-md);
}

.skill-category {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(248, 250, 252, 0.72));
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    min-height: unset;
    transition: border-color var(--transition-base), background var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
}

body.dev-mode .skill-category {
    background: linear-gradient(135deg, rgba(0, 230, 118, 0.04), rgba(0, 230, 118, 0.01));
    border-color: var(--border);
}

.skill-category:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
}

body.dev-mode .skill-category:hover {
    border-color: rgba(0, 230, 118, 0.25);
    box-shadow: 0 4px 12px rgba(0, 230, 118, 0.1);
}

.skill-category strong {
    color: var(--accent);
    display: block;
    margin-bottom: var(--space-sm);
    font-size: var(--font-sm);
    font-weight: 700;
    letter-spacing: 0.01em;
}

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

.skill-tag {
    background: rgba(255, 255, 255, 0.78);
    color: var(--text-secondary);
    border: 1.5px solid var(--border);
    border-radius: 999px;
    padding: 7px 14px;
    font-size: var(--font-xs);
    font-weight: 600;
    transition: border-color var(--transition-base), background var(--transition-base), color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
    cursor: default;
}

.skill-tag:hover {
    border-color: var(--border-hover);
    color: var(--accent);
    box-shadow: 0 2px 8px rgba(196, 30, 58, 0.12);
    transform: translateY(-1px);
}

body.dev-mode .skill-tag {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    border-color: var(--border);
}

/* ── Certificates ── */
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-md);
}

.certificate-card {
    background: rgba(255, 255, 255, 0.92);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
}

.certificate-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: var(--shadow-xl);
    border-color: var(--border-hover);
}

body.dev-mode .certificate-card {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border);
}

.certificate-image {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-bottom: 1px solid var(--border);
    transition: transform var(--transition-slow), filter var(--transition-slow);
}

.certificate-card:hover .certificate-image {
    transform: scale(1.03);
    filter: brightness(1.08);
}

.certificate-info {
    padding: var(--space-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.certificate-title {
    font-weight: 700;
    font-size: var(--font-base);
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.35;
}

body.dev-mode .certificate-title {
    color: var(--accent);
}

.certificate-desc {
    color: var(--text-muted);
    font-size: var(--font-sm);
    line-height: 1.6;
    flex: 1;
}

.certificate-link {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    padding: 10px 18px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #fff;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: var(--font-xs);
    font-weight: 700;
    letter-spacing: -0.01em;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    margin-top: var(--space-md);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 16px var(--accent-glow), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.certificate-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.certificate-link:active {
    transform: translateY(0);
}

body.dev-mode .certificate-link {
    color: #06080d;
}

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

.contact-section {
    margin: var(--space-lg) 0;
}

/* ── Footer ── */
.site-footer {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-xl) var(--content-padding) var(--space-2xl);
    color: var(--text-muted);
    font-size: var(--font-xs);
}

.site-footer a {
    color: var(--accent);
    text-decoration: none;
}

.site-footer a:hover {
    text-decoration: underline;
}

/* ── Responsive: tablet & below ── */
@media (max-width: 900px) {
    .main-nav {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .top-bar-brand {
        font-size: var(--font-xs);
    }
}

@media (max-width: 640px) {
    :root {
        --top-bar-height: 56px;
    }

    .top-bar {
        gap: var(--space-xs);
    }

    .nav-toggle {
        min-width: 44px;
        min-height: 44px;
        width: 44px;
        height: 44px;
    }

    .mode-btn {
        padding: 8px 12px;
        font-size: 0.75rem;
    }

    .header {
        padding: var(--space-xl) var(--space-md);
        border-radius: var(--radius-md);
    }

    .hero-stats {
        gap: 10px;
    }

    .stat-pill {
        padding: 12px 16px;
        min-width: calc(33% - 8px);
        flex: 1 1 calc(33% - 8px);
    }

    .stat-pill strong {
        font-size: var(--font-base);
    }

    .contact-info {
        flex-direction: column;
        align-items: stretch;
    }

    .contact-info a {
        text-align: center;
        padding: 12px 16px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .cta-button {
        display: block;
        text-align: center;
        width: 100%;
        max-width: 320px;
        margin-left: auto;
        margin-right: auto;
        padding: 14px 28px;
        min-height: 44px;
    }

    .section {
        padding: var(--space-lg) var(--space-md);
        border-radius: var(--radius-md);
    }

    .section-title {
        font-size: var(--font-lg);
        margin-bottom: var(--space-md);
    }

    .timeline {
        padding-left: 20px;
    }

    .timeline::before {
        left: 4px;
    }

    .timeline-item::before {
        left: -16px;
        width: 8px;
        height: 8px;
    }

    .timeline-item {
        padding-bottom: var(--space-lg);
    }

    .journey-container {
        grid-template-columns: 1fr;
        gap: 0;
        padding-bottom: var(--space-md);
    }

    .journey-step {
        grid-template-columns: 44px 1fr;
        grid-template-rows: auto;
        justify-items: start;
        align-items: center;
        column-gap: var(--space-md);
        text-align: left;
        padding: var(--space-sm) 0;
    }

    .journey-step:not(:last-child)::after {
        content: '';
        top: auto;
        bottom: 0;
        left: 21px;
        right: auto;
        transform: translate(-50%, 50%);
        width: 2px;
        height: var(--space-sm);
        background: var(--border-accent);
        opacity: 1;
    }

    .journey-circle {
        width: 44px;
        height: 44px;
        grid-row: 1;
        grid-column: 1;
    }

    .journey-label {
        grid-row: 1;
        grid-column: 2;
        font-size: var(--font-sm);
        text-align: left;
    }

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

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

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

@media (max-width: 380px) {
    .stat-pill {
        min-width: calc(50% - 6px);
        flex: 1 1 calc(50% - 6px);
    }

    .mode-toggle {
        gap: 4px;
    }

    .mode-btn {
        padding: 6px 8px;
    }
}

/* ── Responsive: large desktop ── */
@media (min-width: 1200px) {
    :root {
        --content-max: 980px;
    }

    .content {
        padding-top: calc(var(--top-bar-height) + var(--space-2xl));
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .section.reveal,
    .header.reveal {
        opacity: 1;
        transform: none;
    }
}