/* ========================================
   Tony Wareck Portfolio — V2
   Dark, bold, editorial design inspired by
   capabilities decks and print collateral
   ======================================== */

/* CSS Custom Properties */
:root {
    /* Color Palette — Dark Mode with Vibrant Accents */
    --color-bg: #1c1a17;
    --color-bg-elevated: #252320;
    --color-bg-card: #2a2825;
    --color-text: #f0ebe3;
    --color-text-muted: #9a9590;
    --color-text-dim: #6b6560;

    /* Accent Gradients */
    --gradient-primary: linear-gradient(135deg, #a855f7 0%, #00d4ff 50%, #fbbf24 100%);
    --gradient-highlight: linear-gradient(90deg, #a855f7 0%, #00d4ff 100%);
    --gradient-warm: linear-gradient(135deg, #f97316 0%, #fbbf24 100%);

    /* Solid Accents */
    --color-violet: #a855f7;
    --color-neon-blue: #00d4ff;
    --color-amber: #fbbf24;
    --color-coral: #f97316;
    --color-teal: #5eead4;
    --color-sage: #84cc16;

    /* Typography */
    --font-display: 'Instrument Serif', Georgia, serif;
    --font-mono: 'Azeret Mono', 'SF Mono', monospace;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    --space-2xl: 10rem;

    /* Grid */
    --grid-columns: 7;
    --grid-gap: 1.25rem;
    --container-padding: 2.5rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.7;
    font-weight: 400;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

body.nav-open {
    overflow: hidden;
}

/* Noise texture overlay */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.4;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    mix-blend-mode: overlay;
}

/* Selection styling */
::selection {
    background-color: var(--color-violet);
    color: var(--color-bg);
}

/* Links */
a {
    color: inherit;
    text-decoration: none;
}

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

/* Lists */
ul {
    list-style: none;
}

/* Highlight effect - like marker */
.highlight {
    position: relative;
    display: inline;
    padding: 0 0.15em;
    background: var(--gradient-highlight);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.highlight::before {
    content: '';
    position: absolute;
    bottom: 0.1em;
    left: -0.05em;
    right: -0.05em;
    height: 0.35em;
    background: var(--color-violet);
    opacity: 0.3;
    z-index: -1;
    transform: skewX(-3deg);
}

.highlight--alt::before {
    background: var(--color-neon-blue);
}

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

/* ========================================
   Navigation
   ======================================== */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-sm) var(--container-padding);
}

.nav-inner {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--grid-gap);
    align-items: center;
    max-width: 1800px;
    margin: 0 auto;
}

.logo {
    grid-column: 1 / 3;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-mark {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    border: 1px solid var(--color-text-dim);
    transition: all var(--transition-fast);
}

.logo:hover .logo-mark {
    background: var(--gradient-primary);
    border-color: transparent;
    color: var(--color-bg);
}

.logo-text {
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

.nav-meta {
    grid-column: 4 / 5;
    text-align: center;
    font-size: 0.6875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-dim);
}

.nav-links {
    grid-column: 6 / 8;
    display: flex;
    justify-content: flex-end;
    gap: var(--space-lg);
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-text);
}

.nav-num {
    font-size: 0.625rem;
    color: var(--color-text-dim);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    grid-column: 7 / 8;
    justify-self: end;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 48px;
    height: 48px;
    background: none;
    border: 1px solid var(--color-text-dim);
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    transition: all var(--transition-fast);
    gap: 8px;
}

.hamburger:hover {
    border-color: var(--color-text);
}

.hamburger-line {
    display: block;
    width: 20px;
    height: 1px;
    background-color: var(--color-text);
    transition: all var(--transition-fast);
}

.hamburger.is-active {
    border-color: var(--color-violet);
}

.hamburger.is-active .hamburger-line:nth-child(1) {
    transform: translateY(4.5px) rotate(45deg);
}

.hamburger.is-active .hamburger-line:nth-child(2) {
    transform: translateY(-4.5px) rotate(-45deg);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-2xl) var(--container-padding) var(--space-xl);
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-template-rows: auto 1fr auto;
    gap: var(--grid-gap);
    width: 100%;
    max-width: 1800px;
    margin: 0 auto;
    min-height: 70vh;
}

.hero-sidebar {
    grid-column: 1 / 2;
    grid-row: 1 / 4;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
    padding-top: var(--space-lg);
}

.sidebar-line {
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, var(--color-violet), transparent);
}

.sidebar-label {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    transform: rotate(180deg);
    font-size: 0.625rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-dim);
}

.hero-content {
    grid-column: 2 / 6;
    grid-row: 2;
    display: flex;
    align-items: center;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 9vw, 8rem);
    font-weight: 400;
    line-height: 1;
    letter-spacing: -0.02em;
}

.title-word {
    display: block;
}

.title-word:nth-child(2) {
    margin-left: 8%;
    color: var(--color-text-muted);
    font-style: italic;
}

.title-word:nth-child(3) {
    margin-left: 16%;
}

.hero-description {
    grid-column: 2 / 5;
    grid-row: 3;
    padding-bottom: var(--space-md);
}

.hero-description p {
    max-width: 400px;
    color: var(--color-text-muted);
    line-height: 1.8;
}

.hero-graphic {
    grid-column: 5 / 8;
    grid-row: 1 / 4;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.asterisk {
    width: clamp(200px, 25vw, 400px);
    aspect-ratio: 1;
    transition: transform 0.1s ease-out;
    animation: slowSpin 30s linear infinite;
}

.asterisk svg {
    width: 100%;
    height: 100%;
}

.hero-toc {
    grid-column: 6 / 8;
    grid-row: 3;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    align-self: end;
    padding-bottom: var(--space-md);
}

.toc-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--color-text-dim);
    opacity: 0.4;
    transition: opacity var(--transition-fast);
}

.toc-item--active {
    opacity: 1;
    border-color: var(--color-neon-blue);
}

.toc-label {
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.toc-num {
    font-size: 0.625rem;
    color: var(--color-text-dim);
}

.hero-scroll {
    grid-column: 1 / 2;
    grid-row: 3;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    align-self: end;
    padding-bottom: var(--space-md);
}

.hero-scroll span {
    font-size: 0.625rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-dim);
}

.scroll-indicator {
    width: 20px;
    height: 32px;
    border: 1px solid var(--color-text-dim);
    border-radius: 10px;
    position: relative;
}

.scroll-dot {
    width: 4px;
    height: 4px;
    background-color: var(--color-violet);
    border-radius: 50%;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollBounce 2s ease-in-out infinite;
}

/* ========================================
   Section Labels
   ======================================== */
.section-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.label-num {
    font-size: 0.625rem;
    color: var(--color-neon-blue);
    letter-spacing: 0.1em;
}

.label-text {
    font-size: 0.6875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-dim);
}

/* ========================================
   Work Section
   ======================================== */
.work-section {
    padding: var(--space-xl) var(--container-padding);
    max-width: 1800px;
    margin: 0 auto;
}

.section-intro {
    margin-bottom: var(--space-xl);
}

.section-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--grid-gap);
}

.section-intro .section-label {
    grid-column: 1 / 3;
}

.section-headline {
    grid-column: 3 / 6;
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 400;
    line-height: 1.3;
    color: var(--color-text-muted);
}

/* Case Studies */
.case-study {
    margin-bottom: var(--space-xl);
    opacity: 0;
    transform: translateY(60px);
    transition: all 0.8s var(--transition-slow);
}

.case-study.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.case-study-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--grid-gap);
    align-items: start;
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--color-text-dim);
}

.case-meta {
    grid-column: 1 / 2;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.meta-year, .meta-num {
    font-size: 0.625rem;
    letter-spacing: 0.1em;
    color: var(--color-text-dim);
}

.case-visual {
    grid-column: 2 / 5;
    grid-row: 1 / 3;
}

.visual-container {
    aspect-ratio: 16 / 10;
    position: relative;
    overflow: hidden;
    border-radius: 2px;
}

/* Waters Visual */
.waters-visual {
    background: linear-gradient(145deg, #1e3a5f 0%, #0f172a 100%);
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 4px;
    position: absolute;
    top: 20%;
    left: 15%;
    width: 70%;
    height: 60%;
}

.grid-cell {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.grid-cell--accent {
    background: rgba(168, 85, 247, 0.3);
    border-color: var(--color-violet);
}

.case-study:hover .grid-cell--accent {
    background: rgba(168, 85, 247, 0.5);
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
}

.visual-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
}

/* Behavior Visual */
.behavior-visual {
    background: linear-gradient(145deg, #581c87 0%, #2e1065 100%);
}

.pulse-rings {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60%;
    aspect-ratio: 1;
}

.ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

.ring--1 {
    width: 100%;
    height: 100%;
    animation: pulseRing 3s ease-in-out infinite;
}

.ring--2 {
    width: 70%;
    height: 70%;
    animation: pulseRing 3s ease-in-out infinite 0.5s;
}

.ring--3 {
    width: 40%;
    height: 40%;
    animation: pulseRing 3s ease-in-out infinite 1s;
}

.ring-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20%;
    aspect-ratio: 1;
    background: var(--gradient-highlight);
    border-radius: 50%;
    opacity: 0.8;
}

/* Riverwind Visual */
.riverwind-visual {
    background: linear-gradient(145deg, #14532d 0%, #052e16 100%);
}

.leaf-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.leaf {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50% 0;
    background: linear-gradient(135deg, rgba(132, 204, 22, 0.4), rgba(132, 204, 22, 0.1));
    border: 1px solid rgba(132, 204, 22, 0.3);
}

.leaf--1 { top: 15%; left: 20%; transform: rotate(45deg); animation: leafFloat 4s ease-in-out infinite; }
.leaf--2 { top: 25%; left: 50%; transform: rotate(90deg); animation: leafFloat 4s ease-in-out infinite 0.5s; }
.leaf--3 { top: 45%; left: 30%; transform: rotate(15deg); animation: leafFloat 4s ease-in-out infinite 1s; }
.leaf--4 { top: 55%; left: 65%; transform: rotate(60deg); animation: leafFloat 4s ease-in-out infinite 1.5s; }
.leaf--5 { top: 70%; left: 45%; transform: rotate(30deg); animation: leafFloat 4s ease-in-out infinite 2s; }

.case-content {
    grid-column: 5 / 8;
}

.case-category {
    display: inline-block;
    font-size: 0.625rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-neon-blue);
    margin-bottom: var(--space-sm);
}

.case-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: var(--space-sm);
}

.case-summary {
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    max-width: 400px;
}

.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.case-tags span {
    font-size: 0.625rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.5rem 1rem;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-text-dim);
    color: var(--color-text-muted);
}

.case-link {
    grid-column: 5 / 8;
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    padding: var(--space-sm) 0;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-text-dim);
    transition: all var(--transition-fast);
    width: fit-content;
}

.case-link:hover {
    border-color: var(--color-violet);
    color: var(--color-violet);
}

.link-arrow {
    transition: transform var(--transition-fast);
}

.case-link:hover .link-arrow {
    transform: translateX(8px);
}

/* ========================================
   About Section
   ======================================== */
.about-section {
    background-color: var(--color-bg-elevated);
    padding: var(--space-xl) var(--container-padding);
    position: relative;
    overflow: hidden;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--grid-gap);
    max-width: 1800px;
    margin: 0 auto;
}

.about-section .section-label {
    grid-column: 1 / 3;
    margin-bottom: var(--space-lg);
}

.about-intro {
    grid-column: 1 / 5;
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--transition-slow);
}

.about-intro.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.intro-lead {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3.5vw, 2.75rem);
    font-weight: 400;
    line-height: 1.35;
}

.about-bio {
    grid-column: 1 / 4;
    margin-top: var(--space-lg);
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--transition-slow) 0.1s;
}

.about-bio.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.about-bio p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
    line-height: 1.9;
}

.about-capabilities {
    grid-column: 5 / 6;
    margin-top: var(--space-lg);
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--transition-slow) 0.2s;
}

.about-capabilities.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.about-tools {
    grid-column: 6 / 7;
    margin-top: var(--space-lg);
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--transition-slow) 0.3s;
}

.about-tools.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.cap-heading {
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-neon-blue);
    margin-bottom: var(--space-sm);
}

.cap-list li {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.about-portrait {
    grid-column: 7 / 8;
    grid-row: 2 / 5;
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--transition-slow) 0.4s;
}

.about-portrait.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.portrait-wrapper {
    position: relative;
}

.portrait-placeholder {
    aspect-ratio: 3 / 4;
    background: linear-gradient(145deg, var(--color-bg-card), var(--color-bg));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-text-dim);
    letter-spacing: 0.2em;
}

.portrait-frame {
    position: absolute;
    top: 12px;
    left: 12px;
    right: -12px;
    bottom: -12px;
    border: 1px solid var(--color-violet);
    pointer-events: none;
}

.about-decoration {
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    pointer-events: none;
}

.deco-circle {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.1) 0%, transparent 70%);
}

/* ========================================
   Contact Section
   ======================================== */
.contact-section {
    padding: var(--space-xl) var(--container-padding);
    position: relative;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--grid-gap);
    max-width: 1800px;
    margin: 0 auto;
}

.contact-section .section-label {
    grid-column: 1 / 3;
    margin-bottom: var(--space-lg);
}

.contact-headline {
    grid-column: 1 / 5;
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--transition-slow);
}

.contact-headline.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.contact-headline h2 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    line-height: 1.2;
}

.contact-cta {
    grid-column: 1 / 5;
    margin-top: var(--space-md);
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--transition-slow) 0.1s;
}

.contact-cta.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.email-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    font-size: clamp(1rem, 2vw, 1.5rem);
    letter-spacing: 0.02em;
    padding: var(--space-sm) 0;
    border-bottom: 2px solid var(--color-violet);
    transition: all var(--transition-fast);
}

.email-link:hover {
    color: var(--color-violet);
}

.email-arrow {
    transition: transform var(--transition-fast);
}

.email-link:hover .email-arrow {
    transform: translateX(8px);
}

.contact-social {
    grid-column: 6 / 8;
    grid-row: 2 / 4;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--transition-slow) 0.2s;
}

.contact-social.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.social-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-text-dim);
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.social-link:hover {
    color: var(--color-text);
    border-color: var(--color-neon-blue);
}

.social-arrow {
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition-fast);
}

.social-link:hover .social-arrow {
    opacity: 1;
    transform: translateX(0);
}

.contact-location {
    grid-column: 1 / 3;
    margin-top: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.loc-label {
    font-size: 0.625rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-dim);
}

.loc-value {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ========================================
   Footer
   ======================================== */
.main-footer {
    padding: var(--space-md) var(--container-padding);
    border-top: 1px solid var(--color-text-dim);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--grid-gap);
    max-width: 1800px;
    margin: 0 auto;
    align-items: center;
}

.footer-brand {
    grid-column: 1 / 3;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.footer-logo {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
}

.footer-name {
    font-size: 0.6875rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-text-dim);
}

.footer-tagline {
    grid-column: 4 / 5;
    text-align: center;
    font-size: 0.6875rem;
    color: var(--color-text-dim);
}

.back-to-top {
    grid-column: 7 / 8;
    justify-self: end;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: none;
    border: 1px solid var(--color-text-dim);
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.back-to-top:hover {
    background-color: var(--color-text);
    color: var(--color-bg);
    border-color: var(--color-text);
}

.top-arrow {
    transition: transform var(--transition-fast);
}

.back-to-top:hover .top-arrow {
    transform: translateY(-4px);
}

/* ========================================
   Animations
   ======================================== */
@keyframes slowSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes scrollBounce {
    0%, 100% { top: 6px; opacity: 1; }
    50% { top: 18px; opacity: 0.5; }
}

@keyframes pulseRing {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.6;
    }
}

@keyframes leafFloat {
    0%, 100% { transform: rotate(var(--rotation, 45deg)) translateY(0); }
    50% { transform: rotate(var(--rotation, 45deg)) translateY(-10px); }
}

/* ========================================
   Responsive Styles
   ======================================== */

/* Tablet */
@media (max-width: 1200px) {
    :root {
        --container-padding: 2rem;
        --grid-gap: 1rem;
    }

    .hero-grid,
    .section-grid,
    .case-study-grid,
    .about-grid,
    .contact-grid,
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .nav-inner {
        grid-template-columns: 1fr auto 1fr;
    }

    .logo { grid-column: 1; }
    .nav-meta { grid-column: 2; }
    .nav-links { grid-column: 3; }

    .hero-sidebar { display: none; }
    .hero-content { grid-column: 1 / 3; }
    .hero-description { grid-column: 1 / 3; }
    .hero-graphic { grid-column: 3 / 5; }
    .hero-toc { grid-column: 3 / 5; }
    .hero-scroll { grid-column: 1 / 2; }

    .section-intro .section-label { grid-column: 1 / 2; }
    .section-headline { grid-column: 2 / 5; }

    .case-meta { display: none; }
    .case-visual { grid-column: 1 / 3; }
    .case-content { grid-column: 3 / 5; }
    .case-link { grid-column: 3 / 5; }

    .about-section .section-label { grid-column: 1 / 5; }
    .about-intro { grid-column: 1 / 5; }
    .about-bio { grid-column: 1 / 3; }
    .about-capabilities { grid-column: 3 / 4; }
    .about-tools { grid-column: 4 / 5; }
    .about-portrait { grid-column: 1 / 2; grid-row: 4; max-width: 200px; }

    .contact-section .section-label { grid-column: 1 / 5; }
    .contact-headline { grid-column: 1 / 4; }
    .contact-cta { grid-column: 1 / 4; }
    .contact-social { grid-column: 1 / 3; grid-row: auto; margin-top: var(--space-lg); }
    .contact-location { grid-column: 3 / 5; margin-top: var(--space-lg); }

    .footer-brand { grid-column: 1 / 2; }
    .footer-tagline { grid-column: 2 / 4; }
    .back-to-top { grid-column: 4 / 5; }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --container-padding: 1.25rem;
        --space-xl: 4rem;
        --space-2xl: 6rem;
    }

    /* Navigation Mobile */
    .nav-inner {
        display: flex;
        justify-content: space-between;
    }

    .nav-meta { display: none; }

    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--color-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-lg);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav-links.is-open {
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        font-size: 1.5rem;
        letter-spacing: 0.1em;
    }

    .nav-num {
        display: none;
    }

    /* Grid collapse */
    .hero-grid,
    .section-grid,
    .case-study-grid,
    .about-grid,
    .contact-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    /* Hero Mobile */
    .hero {
        padding-top: 8rem;
    }

    .hero-content { grid-column: 1; grid-row: 1; }
    .hero-title { font-size: clamp(2.5rem, 12vw, 4rem); }
    .title-word:nth-child(2),
    .title-word:nth-child(3) { margin-left: 0; }

    .hero-description { grid-column: 1; grid-row: 2; }

    .hero-graphic {
        grid-column: 1;
        grid-row: 3;
        justify-content: flex-start;
        margin-top: var(--space-md);
    }

    .asterisk { width: 150px; }

    .hero-toc { display: none; }
    .hero-scroll { grid-column: 1; grid-row: 4; }

    /* Work Mobile */
    .section-intro .section-label { grid-column: 1; }
    .section-headline { grid-column: 1; margin-top: var(--space-sm); }

    .case-visual { grid-column: 1; grid-row: 1; }
    .case-content { grid-column: 1; grid-row: 2; margin-top: var(--space-md); }
    .case-link { grid-column: 1; grid-row: 3; }

    /* About Mobile */
    .about-section .section-label { grid-column: 1; }
    .about-intro { grid-column: 1; }
    .about-bio { grid-column: 1; }
    .about-capabilities { grid-column: 1; }
    .about-tools { grid-column: 1; margin-top: var(--space-md); }
    .about-portrait {
        grid-column: 1;
        grid-row: auto;
        max-width: 180px;
        margin-top: var(--space-lg);
    }

    /* Contact Mobile */
    .contact-section .section-label { grid-column: 1; }
    .contact-headline { grid-column: 1; }
    .contact-cta { grid-column: 1; }
    .contact-social {
        grid-column: 1;
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--space-md);
    }
    .social-link {
        border-bottom: none;
        padding: 0;
    }
    .social-arrow { display: none; }
    .contact-location { grid-column: 1; }

    /* Footer Mobile */
    .footer-grid {
        grid-template-columns: 1fr auto;
        grid-template-rows: auto auto;
    }

    .footer-brand { grid-column: 1; }
    .footer-tagline { grid-column: 1; grid-row: 2; text-align: left; margin-top: var(--space-sm); }
    .back-to-top { grid-column: 2; grid-row: 1; }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-title { font-size: 2.5rem; }

    .email-link {
        font-size: 0.875rem;
        word-break: break-all;
    }

    .contact-social {
        flex-direction: column;
        gap: var(--space-sm);
    }
}