/* ==========================================================================
   Heather Liu — Personal Website
   Design System: Chic, Approachable, Executive Presence
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
    /* Primary Palette — Warm neutrals with a sophisticated accent */
    --color-ink: #1a1a2e;
    --color-ink-light: #3d3d56;
    --color-ink-muted: #6b6b80;
    --color-surface: #faf9f7;
    --color-surface-warm: #f5f0eb;
    --color-surface-cool: #f0f2f5;
    --color-white: #ffffff;

    /* Accent — A warm, confident terracotta-rose */
    --color-accent: #c4756e;
    --color-accent-hover: #b0635c;
    --color-accent-light: rgba(196, 117, 110, 0.1);
    --color-accent-glow: rgba(196, 117, 110, 0.15);

    /* Secondary Accent — Deep navy for contrast */
    --color-navy: #1a1a2e;
    --color-navy-light: #2d2d44;

    /* Functional */
    --color-border: rgba(26, 26, 46, 0.08);
    --color-border-strong: rgba(26, 26, 46, 0.15);

    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;

    /* Layout */
    --max-width: 1200px;
    --nav-height: 72px;

    /* Motion */
    --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast: 200ms;
    --duration-normal: 400ms;
    --duration-slow: 600ms;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(26, 26, 46, 0.06);
    --shadow-md: 0 4px 20px rgba(26, 26, 46, 0.08);
    --shadow-lg: 0 8px 40px rgba(26, 26, 46, 0.12);
    --shadow-glow: 0 0 40px var(--color-accent-glow);

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    color: var(--color-ink);
    background-color: var(--color-surface);
    line-height: 1.7;
    font-weight: 400;
    overflow-x: hidden;
}

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

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

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

::selection {
    background: var(--color-accent-light);
    color: var(--color-ink);
}

/* ---------- Container ---------- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-lg);
    }
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-ink);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

p {
    margin-bottom: 1rem;
    color: var(--color-ink-light);
}

p:last-child {
    margin-bottom: 0;
}

/* ---------- Section Utilities ---------- */
.section {
    padding: var(--space-2xl) 0;
}

@media (min-width: 768px) {
    .section {
        padding: var(--space-3xl) 0;
    }
}

.section-dark {
    background-color: var(--color-navy);
    color: var(--color-white);
}

.section-light {
    background-color: var(--color-surface-warm);
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-accent-light);
    border-radius: var(--radius-xl);
}

.section-tag-light {
    color: var(--color-accent);
    background: rgba(196, 117, 110, 0.2);
}

.section-title {
    margin-top: var(--space-sm);
    margin-bottom: var(--space-md);
}

.section-title-light {
    color: var(--color-white);
}

.intro-grid {
    display: grid;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

@media (min-width: 768px) {
    .intro-grid {
        grid-template-columns: 200px 1fr;
        gap: var(--space-lg);
    }
}

.intro-text {
    font-size: 1.125rem;
    max-width: 640px;
}

/* ---------- Navigation ---------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(250, 249, 247, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: all var(--duration-normal) var(--ease-out);
}

.nav.scrolled {
    box-shadow: var(--shadow-sm);
}

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

@media (min-width: 768px) {
    .nav-inner {
        padding: 0 var(--space-lg);
    }
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-ink);
    letter-spacing: -0.02em;
    text-decoration: none;
}

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

.nav-links {
    display: none;
    list-style: none;
    gap: var(--space-lg);
    align-items: center;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-ink-muted);
    text-decoration: none;
    position: relative;
    padding: var(--space-xs) 0;
    transition: color var(--duration-fast) var(--ease-out);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-ink);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-accent);
    border-radius: 1px;
}

.nav-cta {
    background: var(--color-ink) !important;
    color: var(--color-white) !important;
    padding: 0.6rem 1.4rem !important;
    border-radius: var(--radius-xl) !important;
    font-weight: 500 !important;
    transition: all var(--duration-fast) var(--ease-out) !important;
}

.nav-cta:hover {
    background: var(--color-accent) !important;
    transform: translateY(-1px);
}

.nav-cta.active::after {
    display: none !important;
}

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

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-ink);
    border-radius: 2px;
    transition: all var(--duration-fast) var(--ease-out);
}

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

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

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

/* Mobile Menu */
.nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-surface);
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    z-index: 999;
}

.nav-links.open a {
    font-size: 1.25rem;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.85rem 2rem;
    border-radius: var(--radius-xl);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--duration-fast) var(--ease-out);
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--color-ink);
    color: var(--color-white);
}

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

.btn-primary-light {
    background: var(--color-white);
    color: var(--color-ink);
}

.btn-primary-light:hover {
    background: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--color-ink);
    border: 1.5px solid var(--color-border-strong);
}

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

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

/* ---------- Hero ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: calc(var(--nav-height) + var(--space-xl));
    padding-bottom: var(--space-xl);
    position: relative;
    overflow: hidden;
}

.hero-bg-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.4;
    filter: blur(80px);
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: var(--color-accent-light);
    top: -10%;
    right: -5%;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: rgba(196, 117, 110, 0.06);
    bottom: 10%;
    left: -10%;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: rgba(26, 26, 46, 0.03);
    top: 40%;
    left: 30%;
}

.hero-content {
    display: grid;
    gap: var(--space-xl);
    align-items: center;
}

@media (min-width: 900px) {
    .hero-content {
        grid-template-columns: 1.2fr 0.8fr;
    }
}

.hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    font-weight: 500;
}

.hero-greeting {
    display: block;
    font-family: var(--font-body);
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--color-ink-muted);
    margin-bottom: 0.3rem;
}

.hero-name {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(3rem, 7vw, 4.5rem);
    font-weight: 700;
    color: var(--color-ink);
    line-height: 1.05;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.15rem, 2.2vw, 1.35rem);
    color: var(--color-ink-light);
    margin-top: var(--space-md);
    max-width: 520px;
    font-weight: 400;
    line-height: 1.6;
}

.hero-description {
    font-size: 1rem;
    color: var(--color-ink-muted);
    max-width: 520px;
    line-height: 1.7;
}

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

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-ink);
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-ink-muted);
    margin-top: 0.2rem;
}

.stat-divider {
    width: 1px;
    height: 36px;
    background: var(--color-border-strong);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.hero-headshot {
    width: 100%;
    height: 100%;
    object-fit: cover;     /* keeps it editorial-looking */
    object-position: center;
    box-shadow: var(--shadow-lg);
    display: block;
    border-radius: inherit; /* ensures it matches the frame rounding */
}

.hero-image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-surface-warm) 0%, var(--color-surface-cool) 100%);
    border: 2px dashed var(--color-border-strong);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.placeholder-initials {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-accent);
    opacity: 0.3;
}

.placeholder-note {
    font-size: 0.85rem;
    color: var(--color-ink-muted);
    font-style: italic;
}

.hero-badge {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.6rem 1.2rem;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-ink-light);
}

.badge-icon {
    font-size: 1.1rem;
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.hero-scroll span {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-ink-muted);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--color-accent);
    animation: scrollPulse 2s var(--ease-out) infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ---------- Pillars ---------- */
.pillars {
    display: grid;
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .pillars {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-lg);
    }
}

.pillar {
    padding: var(--space-lg);
    background: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all var(--duration-normal) var(--ease-out);
}

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

.pillar-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-light);
    border-radius: var(--radius-sm);
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.pillar h3 {
    margin-bottom: var(--space-xs);
}

.pillar p {
    font-size: 0.95rem;
}

/* ---------- Featured Work ---------- */
.featured-grid {
    display: grid;
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .featured-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.featured-card {
    padding: var(--space-lg);
    background: var(--color-navy-light);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: all var(--duration-normal) var(--ease-out);
}

.featured-card:hover {
    border-color: rgba(196, 117, 110, 0.3);
    transform: translateY(-3px);
}

@media (min-width: 768px) {
    .featured-card-large {
        grid-column: 1 / -1;
    }
}

.card-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.featured-card h3 {
    color: var(--color-white);
    margin-bottom: var(--space-xs);
    font-size: 1.4rem;
}

.featured-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.card-link {
    display: inline-block;
    margin-top: var(--space-sm);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-accent) !important;
    transition: gap var(--duration-fast) var(--ease-out);
}

.card-link:hover {
    letter-spacing: 0.02em;
}

.featured-cta {
    text-align: center;
    margin-top: var(--space-xl);
}

/* ---------- Values ---------- */
.values-grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.value-item {
    padding-left: var(--space-lg);
    border-left: 2px solid var(--color-border);
    transition: border-color var(--duration-normal) var(--ease-out);
}

.value-item:hover {
    border-color: var(--color-accent);
}

.value-number {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-accent);
    letter-spacing: 0.05em;
}

.value-item h3 {
    margin: var(--space-xs) 0;
}

.value-item p {
    font-size: 0.95rem;
}

/* ---------- Community Preview ---------- */
.community-split {
    display: grid;
    gap: var(--space-xl);
    align-items: center;
}

@media (min-width: 768px) {
    .community-split {
        grid-template-columns: 1fr 1fr;
    }
}

.community-causes {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin: var(--space-md) 0;
}

.cause-tag {
    font-size: 0.8rem;
    font-weight: 500;
    padding: 0.4rem 1rem;
    background: var(--color-accent-light);
    color: var(--color-accent);
    border-radius: var(--radius-xl);
}

.community-quote {
    padding: var(--space-xl);
    background: var(--color-surface-warm);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-accent);
}

.community-quote blockquote {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--color-ink);
    line-height: 1.5;
}

.community-quote cite {
    display: block;
    margin-top: var(--space-sm);
    font-family: var(--font-body);
    font-style: normal;
    font-size: 0.9rem;
    color: var(--color-ink-muted);
}

/* ---------- CTA Section ---------- */
.cta {
    background: var(--color-surface-warm);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    margin-bottom: var(--space-sm);
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: var(--space-lg);
}

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

/* ---------- Footer ---------- */
.footer {
    background: var(--color-navy);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    gap: var(--space-lg);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-white) !important;
    text-decoration: none;
    display: inline-block;
    margin-bottom: var(--space-xs);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.footer h4 {
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-sm);
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: 0.5rem;
}

.footer ul a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

.footer ul a:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding-top: var(--space-lg);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ---------- Page Header (Inner Pages) ---------- */
.page-header {
    padding-top: calc(var(--nav-height) + var(--space-2xl));
    padding-bottom: var(--space-xl);
    background: var(--color-surface);
}

.page-header-content {
    max-width: 700px;
}

.page-title {
    margin-top: var(--space-sm);
    margin-bottom: var(--space-md);
}

.page-subtitle {
    font-size: 1.15rem;
    color: var(--color-ink-light);
    line-height: 1.7;
}

/* ---------- About Page ---------- */
.about-grid {
    display: grid;
    gap: var(--space-xl);
}

@media (min-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr 1.5fr;
    }
}

.about-placeholder {
    aspect-ratio: 1/1;
    max-width: 100%;
    border-radius: var(--radius-lg);
}

.about-quick-facts {
    margin-top: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.quick-fact {
    display: flex;
    flex-direction: column;
    padding: var(--space-sm);
    background: var(--color-white);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.fact-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
}

.fact-value {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-ink);
}

.about-text-col h2 {
    margin-bottom: var(--space-md);
}

.about-text-col p {
    font-size: 1.05rem;
}

.about-personal {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.about-personal h3 {
    margin-bottom: var(--space-sm);
    color: var(--color-accent);
    font-size: 1.1rem;
}

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

.timeline-track::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--color-border-strong);
}

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

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

.timeline-marker {
    position: absolute;
    left: calc(-1 * var(--space-lg) + 2px);
    top: 8px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-surface-warm);
    border: 2px solid var(--color-accent);
    z-index: 1;
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-accent);
    letter-spacing: 0.05em;
}

.timeline-content h3 {
    margin: 0.3rem 0 0.2rem;
    font-size: 1.2rem;
}

.timeline-company {
    font-weight: 600;
    color: var(--color-ink-muted) !important;
    font-size: 0.9rem;
    margin-bottom: 0.5rem !important;
}

.timeline-content p:last-child {
    font-size: 0.95rem;
}

/* ---------- Skills Section ---------- */
.skills-grid {
    display: grid;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.skill-category {
    padding: var(--space-lg);
    background: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.skill-category h3 {
    margin-bottom: var(--space-sm);
    font-size: 1.1rem;
}

.skill-list {
    list-style: none;
}

.skill-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem;
    color: var(--color-ink-light);
}

.skill-list li:last-child {
    border-bottom: none;
}

/* ---------- Portfolio ---------- */
.portfolio-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-xl);
}

.filter-btn {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.5rem 1.2rem;
    border: 1.5px solid var(--color-border-strong);
    border-radius: var(--radius-xl);
    background: transparent;
    color: var(--color-ink-muted);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

.filter-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.filter-btn.active {
    background: var(--color-ink);
    border-color: var(--color-ink);
    color: var(--color-white);
}

.portfolio-grid {
    display: grid;
    gap: var(--space-lg);
}

.portfolio-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    transition: all var(--duration-normal) var(--ease-out);
}

.portfolio-item:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
}

.portfolio-item.hidden {
    display: none;
}

.portfolio-item-inner {
    display: grid;
    gap: 0;
}

@media (min-width: 768px) {
    .portfolio-item-featured .portfolio-item-inner {
        grid-template-columns: 1fr 1.5fr;
    }
}

.portfolio-item-visual {
    min-height: 200px;
}

.portfolio-placeholder {
    width: 100%;
    height: 100%;
    min-height: 200px;
    background: linear-gradient(135deg, var(--color-surface-warm) 0%, var(--color-surface-cool) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    color: var(--color-ink-muted);
}

.portfolio-placeholder svg {
    opacity: 0.3;
}

.portfolio-placeholder span {
    font-size: 0.8rem;
    opacity: 0.5;
}

.portfolio-item-content {
    padding: var(--space-lg);
}

.portfolio-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
}

.portfolio-company {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    font-weight: 500;
}

.portfolio-year {
    font-size: 0.8rem;
    color: var(--color-ink-muted);
}

.portfolio-item-content h2 {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.portfolio-item-content > p {
    font-size: 0.95rem;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: var(--space-md);
}

.portfolio-tags span {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.3rem 0.8rem;
    background: var(--color-surface-warm);
    border-radius: var(--radius-xl);
    color: var(--color-ink-muted);
}

.portfolio-highlights {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.portfolio-highlights h4 {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-ink-muted);
    margin-bottom: var(--space-sm);
}

.portfolio-highlights ul {
    list-style: none;
}

.portfolio-highlights li {
    position: relative;
    padding-left: var(--space-md);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--color-ink-light);
}

.portfolio-highlights li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
}

/* ---------- Speaking Page ---------- */
.topics-grid {
    display: grid;
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .topics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .topics-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.topic-card {
    padding: var(--space-lg);
    background: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all var(--duration-normal) var(--ease-out);
}

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

.topic-number {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-accent);
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.topic-card h3 {
    font-size: 1.15rem;
    margin-bottom: var(--space-xs);
}

.topic-card p {
    font-size: 0.9rem;
}

.topic-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-top: var(--space-sm);
}

.topic-tags span {
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.25rem 0.65rem;
    background: var(--color-surface-warm);
    border-radius: var(--radius-xl);
    color: var(--color-ink-muted);
}

.speaking-cta {
    margin-top: var(--space-xl);
    padding: var(--space-xl);
    background: var(--color-surface-warm);
    border-radius: var(--radius-lg);
    text-align: center;
}

.speaking-cta h3 {
    margin-bottom: var(--space-xs);
}

.speaking-cta p {
    max-width: 500px;
    margin: 0 auto var(--space-md);
}

/* Community Leadership */
.community-grid {
    display: grid;
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .community-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.community-card {
    padding: var(--space-lg);
    background: var(--color-navy-light);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
    overflow: hidden;
}

.community-card-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent);
}

.community-card h3 {
    color: var(--color-white);
    margin-bottom: var(--space-sm);
    font-size: 1.1rem;
}

.community-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.community-focus {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-top: var(--space-md);
}

.community-focus span {
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.25rem 0.65rem;
    background: rgba(196, 117, 110, 0.2);
    border-radius: var(--radius-xl);
    color: var(--color-accent);
}

/* Affiliations */
.affiliations-grid {
    display: grid;
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .affiliations-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.affiliation-item {
    padding: var(--space-lg);
    background: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.affiliation-item h3 {
    font-size: 1.1rem;
    margin-bottom: var(--space-xs);
}

.affiliation-item p {
    font-size: 0.9rem;
}

/* ---------- Contact Page ---------- */
.contact-grid {
    display: grid;
    gap: var(--space-xl);
}

@media (min-width: 900px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-intro h2 {
    margin-bottom: var(--space-sm);
}

.contact-intro p {
    font-size: 1.05rem;
}

.contact-methods {
    margin-top: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact-method {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: border-color var(--duration-fast) var(--ease-out);
}

.contact-method:hover {
    border-color: var(--color-accent);
}

.method-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-light);
    border-radius: var(--radius-sm);
    color: var(--color-accent);
}

.method-details h3 {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.method-details a {
    font-weight: 500;
    font-size: 0.95rem;
}

.method-details p {
    font-size: 0.85rem;
    color: var(--color-ink-muted);
    margin-top: 0.3rem;
}

.location-text {
    font-weight: 500;
    color: var(--color-ink) !important;
    font-size: 0.95rem;
}

.contact-availability {
    margin-top: var(--space-xl);
}

.contact-availability h3 {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.availability-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.avail-tag {
    font-size: 0.8rem;
    font-weight: 500;
    padding: 0.4rem 0.9rem;
    background: var(--color-accent-light);
    color: var(--color-accent);
    border-radius: var(--radius-xl);
}

/* Contact Form */
.contact-form-wrapper {
    position: sticky;
    top: calc(var(--nav-height) + var(--space-md));
}

.contact-form {
    padding: var(--space-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
}

.contact-form h3 {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    font-family: var(--font-body);
    font-size: 0.95rem;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-ink);
    transition: border-color var(--duration-fast) var(--ease-out);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

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

.form-note {
    font-size: 0.8rem;
    color: var(--color-ink-muted);
    margin-top: var(--space-sm);
    text-align: center;
    font-style: italic;
}

/* FAQ */
.faq-grid {
    display: grid;
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .faq-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.faq-item {
    padding: var(--space-lg);
    background: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.faq-item h3 {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.faq-item p {
    font-size: 0.9rem;
}

/* ---------- Animations ---------- */
[data-animate] {
    opacity: 0;
    transform: translateY(24px);
    transition: all var(--duration-slow) var(--ease-out);
}

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

/* Stagger children */
.pillars [data-animate]:nth-child(2),
.featured-grid [data-animate]:nth-child(2),
.values-grid [data-animate]:nth-child(2),
.topics-grid [data-animate]:nth-child(2),
.skills-grid [data-animate]:nth-child(2) {
    transition-delay: 100ms;
}

.pillars [data-animate]:nth-child(3),
.featured-grid [data-animate]:nth-child(3),
.values-grid [data-animate]:nth-child(3),
.topics-grid [data-animate]:nth-child(3),
.skills-grid [data-animate]:nth-child(3) {
    transition-delay: 200ms;
}

.featured-grid [data-animate]:nth-child(4),
.values-grid [data-animate]:nth-child(4),
.topics-grid [data-animate]:nth-child(4) {
    transition-delay: 300ms;
}

.topics-grid [data-animate]:nth-child(5) {
    transition-delay: 400ms;
}

.topics-grid [data-animate]:nth-child(6) {
    transition-delay: 500ms;
}

/* ---------- Responsive Fine-Tuning ---------- */
@media (max-width: 767px) {
    .hero-stats {
        flex-wrap: wrap;
    }

    .stat-divider {
        display: none;
    }

    .hero-visual {
        order: -1;
    }

    .hero-image-frame {
        max-width: 280px;
        aspect-ratio: 1;
    }

    .hero-scroll {
        display: none;
    }
}

/* ---------- Print Styles ---------- */
@media print {
    .nav, .hero-scroll, .cta, .btn {
        display: none !important;
    }

    body {
        font-size: 12pt;
        color: #000;
    }

    .hero {
        min-height: auto;
        padding: 2rem 0;
    }
}