/* ============================================
   CLAUDE CREATIONS - Design System
   A warm, organic aesthetic celebrating creativity
   ============================================ */

/* CSS Custom Properties */
:root {
    /* Colors - Warm, earthy palette */
    --color-cream: #FDF8F3;
    --color-cream-dark: #F5EDE4;
    --color-paper: #FAF6F1;
    --color-terracotta: #C75B39;
    --color-terracotta-dark: #A84832;
    --color-terracotta-light: #E8A090;
    --color-sage: #7D9B76;
    --color-sage-light: #B5C9B0;
    --color-sage-dark: #5C7A55;
    --color-gold: #D4A853;
    --color-gold-light: #F0DBA8;
    --color-charcoal: #2D2A26;
    --color-charcoal-light: #4A4640;
    --color-warm-gray: #8B847A;
    --color-warm-gray-light: #B5AFA6;

    /* Typography */
    --font-display: 'Fraunces', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(45, 42, 38, 0.05);
    --shadow-md: 0 4px 12px rgba(45, 42, 38, 0.08);
    --shadow-lg: 0 8px 30px rgba(45, 42, 38, 0.12);
    --shadow-xl: 0 20px 50px rgba(45, 42, 38, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============================================
   BASE STYLES & RESET
   ============================================ */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-charcoal);
    background-color: var(--color-cream);
    overflow-x: hidden;
}

/* Subtle paper texture overlay - gentle version */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.15;
    z-index: 9999;
    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='0.5' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

a {
    color: var(--color-terracotta);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-terracotta-dark);
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ============================================
   FLOATING DECORATIVE ELEMENTS
   ============================================ */

.floating-decor {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.decor {
    position: absolute;
    opacity: 0.08;
}

.decor-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    left: 5%;
    color: var(--color-terracotta);
    animation: float-slow 20s ease-in-out infinite;
}

.decor-2 {
    width: 60px;
    height: 60px;
    top: 20%;
    right: 10%;
    color: var(--color-gold);
    animation: float-medium 15s ease-in-out infinite reverse;
}

.decor-3 {
    width: 120px;
    height: 120px;
    top: 60%;
    left: 8%;
    color: var(--color-sage);
    animation: float-slow 25s ease-in-out infinite;
}

.decor-4 {
    width: 40px;
    height: 40px;
    top: 40%;
    right: 15%;
    color: var(--color-terracotta-light);
    animation: float-fast 12s ease-in-out infinite;
}

.decor-5 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    right: 5%;
    color: var(--color-sage-light);
    animation: float-medium 18s ease-in-out infinite reverse;
}

@keyframes float-slow {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(20px, -30px) rotate(5deg); }
    50% { transform: translate(-10px, -20px) rotate(-3deg); }
    75% { transform: translate(15px, 10px) rotate(2deg); }
}

@keyframes float-medium {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(-25px, 20px) rotate(-8deg); }
    66% { transform: translate(20px, -15px) rotate(5deg); }
}

@keyframes float-fast {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(10px, -20px) scale(1.1); }
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) var(--space-xl);
    background: rgba(253, 248, 243, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(45, 42, 38, 0.06);
}

.nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-charcoal);
    text-decoration: none;
}

.logo-icon {
    font-size: 1.5rem;
    color: var(--color-terracotta);
    animation: sparkle 3s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { transform: rotate(0deg) scale(1); }
    25% { transform: rotate(-10deg) scale(1.1); }
    75% { transform: rotate(10deg) scale(0.95); }
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
}

.nav-links a {
    color: var(--color-charcoal-light);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-terracotta);
    border-radius: 2px;
    transition: width var(--transition-base);
}

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

.nav-links a:hover::after {
    width: 100%;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
    padding: calc(80px + var(--space-4xl)) var(--space-xl) var(--space-4xl);
    max-width: 1400px;
    margin: 0 auto;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-sage-light);
    color: var(--color-sage-dark);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-lg);
    animation: slideInLeft 0.6s ease-out;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-sage-dark);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.8); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.title-line {
    display: block;
    animation: slideInUp 0.8s ease-out both;
}

.title-line:nth-child(1) { animation-delay: 0.1s; }
.title-line:nth-child(2) { animation-delay: 0.2s; }
.title-line:nth-child(3) { animation-delay: 0.3s; }

.title-line.accent {
    color: var(--color-terracotta);
    font-style: italic;
}

@keyframes slideInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-charcoal-light);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
    animation: fadeIn 1s ease-out 0.5s both;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    animation: slideInUp 0.8s ease-out 0.6s both;
}

/* Hero Visual - Floating cards */
.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-card {
    position: absolute;
    background: white;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 500;
    font-size: 0.95rem;
    transition: transform var(--transition-bounce), box-shadow var(--transition-base);
    cursor: default;
}

.visual-card:hover {
    transform: scale(1.05) !important;
    box-shadow: var(--shadow-xl);
}

.card-icon {
    font-size: 1.5rem;
}

.card-1 {
    top: 10%;
    left: 20%;
    transform: rotate(-8deg);
    animation: floatCard1 6s ease-in-out infinite;
}

.card-2 {
    top: 5%;
    right: 15%;
    transform: rotate(5deg);
    animation: floatCard2 7s ease-in-out infinite;
}

.card-3 {
    top: 45%;
    left: 5%;
    transform: rotate(-3deg);
    animation: floatCard3 5.5s ease-in-out infinite;
}

.card-4 {
    bottom: 25%;
    right: 10%;
    transform: rotate(8deg);
    animation: floatCard4 6.5s ease-in-out infinite;
}

.card-5 {
    bottom: 10%;
    left: 25%;
    transform: rotate(-5deg);
    animation: floatCard5 7.5s ease-in-out infinite;
}

@keyframes floatCard1 {
    0%, 100% { transform: rotate(-8deg) translateY(0); }
    50% { transform: rotate(-6deg) translateY(-15px); }
}

@keyframes floatCard2 {
    0%, 100% { transform: rotate(5deg) translateY(0); }
    50% { transform: rotate(7deg) translateY(-20px); }
}

@keyframes floatCard3 {
    0%, 100% { transform: rotate(-3deg) translateY(0); }
    50% { transform: rotate(-5deg) translateY(-12px); }
}

@keyframes floatCard4 {
    0%, 100% { transform: rotate(8deg) translateY(0); }
    50% { transform: rotate(6deg) translateY(-18px); }
}

@keyframes floatCard5 {
    0%, 100% { transform: rotate(-5deg) translateY(0); }
    50% { transform: rotate(-3deg) translateY(-10px); }
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    text-decoration: none;
    border: 2px solid transparent;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--color-charcoal);
    border-color: var(--color-charcoal);
}

.btn-secondary:hover {
    background: var(--color-charcoal);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--color-terracotta);
    border-color: var(--color-terracotta);
}

.btn-outline:hover {
    background: var(--color-terracotta);
    color: white;
}

.btn-light {
    background: white;
    color: var(--color-terracotta);
    border-color: white;
}

.btn-light:hover {
    background: var(--color-cream);
    border-color: var(--color-cream);
    color: var(--color-terracotta-dark);
}

.btn-ghost {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
    color: white;
}

.btn-full {
    width: 100%;
}

/* ============================================
   STATS BANNER
   ============================================ */

.stats-banner {
    background: var(--color-paper);
    border-top: 1px solid rgba(45, 42, 38, 0.08);
    border-bottom: 1px solid rgba(45, 42, 38, 0.08);
    padding: var(--space-2xl) var(--space-xl);
}

.stats-inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3xl);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 300;
    color: var(--color-terracotta);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-warm-gray);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: var(--color-warm-gray-light);
}

/* ============================================
   SECTION HEADERS
   ============================================ */

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-terracotta);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 400;
    color: var(--color-charcoal);
    margin-bottom: var(--space-md);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--color-charcoal-light);
    max-width: 600px;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header .section-desc {
    margin: 0 auto;
}

/* ============================================
   CREATIONS GALLERY
   ============================================ */

.creations {
    padding: var(--space-4xl) var(--space-xl);
    max-width: 1400px;
    margin: 0 auto;
}

/* Filter Tags */
.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
    margin-bottom: var(--space-2xl);
}

.filter-tag {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-charcoal-light);
    background: transparent;
    border: 1px solid var(--color-warm-gray-light);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.filter-tag:hover {
    border-color: var(--color-terracotta);
    color: var(--color-terracotta);
}

.filter-tag.active {
    background: var(--color-terracotta);
    border-color: var(--color-terracotta);
    color: white;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-xl);
}

/* Project Card */
.project-card {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.project-card.featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
}

.project-card.featured .card-image {
    height: 100%;
    min-height: 300px;
}

.card-image {
    position: relative;
    height: 280px;
    overflow: hidden;
    background: var(--color-cream);
}

.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-icon {
    font-size: 4rem;
    opacity: 0.8;
}

.gradient-1 { background: linear-gradient(135deg, #FFE5D9 0%, #FFB5A7 100%); }
.gradient-2 { background: linear-gradient(135deg, #D8E2DC 0%, #9DC5BB 100%); }
.gradient-3 { background: linear-gradient(135deg, #FDE2C8 0%, #F5CBA7 100%); }
.gradient-4 { background: linear-gradient(135deg, #E2E2E2 0%, #C9C9C9 100%); }
.gradient-5 { background: linear-gradient(135deg, #E5D4EF 0%, #C9B1D4 100%); }
.gradient-6 { background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%); }
.gradient-6 .placeholder-icon { filter: brightness(1.5); }

.card-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    padding: var(--space-xs) var(--space-md);
    background: var(--color-gold);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
}

.card-content {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    font-size: 0.85rem;
}

.meta-tag {
    color: var(--color-sage-dark);
    font-weight: 600;
}

.meta-dot {
    color: var(--color-warm-gray-light);
}

.meta-author {
    color: var(--color-warm-gray);
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 500;
    color: var(--color-charcoal);
    margin-bottom: var(--space-sm);
}

.card-desc {
    font-size: 0.95rem;
    color: var(--color-charcoal-light);
    line-height: 1.6;
    flex-grow: 1;
    margin-bottom: var(--space-md);
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-cream-dark);
}

.experience-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.8rem;
    color: var(--color-gold);
    font-weight: 500;
}

.card-link {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-terracotta);
    transition: gap var(--transition-base);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.card-link:hover {
    gap: var(--space-sm);
}

/* Card Image Link & Actual Images */
.card-image-link {
    display: block;
    text-decoration: none;
}

.card-image-link .card-image {
    transition: opacity var(--transition-base);
}

.card-image-link:hover .card-image {
    opacity: 0.9;
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    background: var(--color-cream);
}

/* Source Badge (X, Reddit, YouTube icons) */
.source-badge {
    position: absolute;
    bottom: var(--space-md);
    right: var(--space-md);
    width: 32px;
    height: 32px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all var(--transition-fast);
    backdrop-filter: blur(4px);
}

.card-image-link:hover .source-badge {
    background: rgba(0, 0, 0, 0.9);
    transform: scale(1.1);
}

.load-more-container {
    text-align: center;
    margin-top: var(--space-3xl);
}

/* ============================================
   QUOTE SECTION
   ============================================ */

.quote-section {
    background: var(--color-cream);
    padding: var(--space-4xl) var(--space-xl);
    position: relative;
    overflow: hidden;
}

.quote-inner {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
}

.quote-mark {
    font-family: var(--font-display);
    font-size: 8rem;
    color: var(--color-terracotta-light);
    line-height: 0.5;
    margin-bottom: var(--space-md);
}

.quote-text {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 400;
    font-style: italic;
    color: var(--color-terracotta);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.quote-author {
    font-size: 1rem;
    color: var(--color-terracotta-dark);
    font-style: normal;
}

/* ============================================
   SUBMIT SECTION
   ============================================ */

.submit-section {
    padding: var(--space-4xl) var(--space-xl);
    background: var(--color-paper);
}

.submit-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.submit-info {
    position: sticky;
    top: 120px;
}

.submit-desc {
    font-size: 1.1rem;
    color: var(--color-charcoal-light);
    line-height: 1.7;
    margin-bottom: var(--space-2xl);
}

.submit-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.benefit {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.benefit-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.benefit strong {
    display: block;
    color: var(--color-charcoal);
    margin-bottom: var(--space-xs);
}

.benefit p {
    font-size: 0.95rem;
    color: var(--color-charcoal-light);
    margin: 0;
}

/* Form Styles */
.submit-form {
    background: white;
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--color-charcoal);
    margin-bottom: var(--space-sm);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--color-cream-dark);
    border-radius: var(--radius-md);
    background: var(--color-cream);
    color: var(--color-charcoal);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-terracotta);
    background: white;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-warm-gray-light);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%238B847A' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-md) center;
    padding-right: var(--space-3xl);
}

.checkbox-group {
    margin-top: var(--space-xl);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--color-charcoal-light);
}

.checkbox-label input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkbox-custom {
    display: inline-block;
    width: 22px;
    height: 22px;
    min-width: 22px;
    min-height: 22px;
    border: 2px solid var(--color-warm-gray-light);
    border-radius: var(--radius-sm);
    background: white;
    flex-shrink: 0;
    position: relative;
    transition: all var(--transition-fast);
}

.checkbox-label input:checked + .checkbox-custom {
    background: var(--color-terracotta);
    border-color: var(--color-terracotta);
}

.checkbox-custom::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 6px;
    height: 12px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.checkbox-label input:checked + .checkbox-custom::after {
    opacity: 1;
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about-section {
    padding: var(--space-4xl) var(--space-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.about-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-4xl);
    align-items: center;
}

.about-text {
    font-size: 1.1rem;
    color: var(--color-charcoal-light);
    line-height: 1.8;
}

.about-text p {
    margin-bottom: var(--space-lg);
}

.about-text em {
    color: var(--color-terracotta);
    font-style: normal;
    font-weight: 500;
}

.visual-stack {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.stack-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: white;
    padding: var(--space-lg) var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    font-weight: 500;
    transform-origin: left center;
    transition: transform var(--transition-bounce);
}

.stack-item:hover {
    transform: scale(1.05) translateX(10px);
}

.stack-emoji {
    font-size: 2rem;
}

.stack-1 { animation: stackIn 0.6s ease-out 0.1s both; }
.stack-2 { animation: stackIn 0.6s ease-out 0.2s both; }
.stack-3 { animation: stackIn 0.6s ease-out 0.3s both; }

@keyframes stackIn {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ============================================
   CTA BANNER
   ============================================ */

.cta-banner {
    background: var(--color-terracotta);
    padding: var(--space-4xl) var(--space-xl);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(255,255,255,0.1) 0%, transparent 70%);
}

.cta-inner {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    position: relative;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 400;
    color: white;
    margin-bottom: var(--space-sm);
}

.cta-desc {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-xl);
}

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

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--color-charcoal);
    color: var(--color-warm-gray-light);
    padding: var(--space-4xl) var(--space-xl) var(--space-xl);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-4xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo-icon {
    color: var(--color-terracotta-light);
}

.footer-brand .logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: white;
    margin-left: var(--space-sm);
}

.footer-tagline {
    margin-top: var(--space-sm);
    font-size: 0.95rem;
    color: var(--color-warm-gray);
}

.footer-links {
    display: flex;
    gap: var(--space-4xl);
}

.footer-col h4 {
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.footer-col a {
    display: block;
    color: var(--color-warm-gray);
    font-size: 0.95rem;
    margin-bottom: var(--space-sm);
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: white;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: var(--space-xl);
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-warm-gray);
}

.footer-bottom .creator-notice {
    margin-top: var(--space-sm);
    font-size: 0.8rem;
    opacity: 0.8;
}

.footer-bottom .creator-notice a {
    color: var(--color-warm-gray-light);
    text-decoration: underline;
}

.footer-bottom .creator-notice a:hover {
    color: white;
}

/* ============================================
   MODAL
   ============================================ */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(45, 42, 38, 0.6);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: white;
    padding: var(--space-3xl);
    border-radius: var(--radius-xl);
    text-align: center;
    max-width: 400px;
    margin: var(--space-xl);
    transform: scale(0.9);
    transition: transform var(--transition-bounce);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-icon {
    font-size: 4rem;
    margin-bottom: var(--space-md);
}

.modal-content h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-charcoal);
    margin-bottom: var(--space-sm);
}

.modal-content p {
    color: var(--color-charcoal-light);
    margin-bottom: var(--space-xl);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-2xl);
    }

    .hero-content {
        max-width: 700px;
        margin: 0 auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-visual {
        height: 300px;
    }

    .project-card.featured {
        grid-column: span 1;
        display: flex;
        flex-direction: column;
    }

    .project-card.featured .card-image {
        min-height: 200px;
    }

    .submit-container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .submit-info {
        position: static;
    }

    .about-container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
}

@media (max-width: 768px) {
    .nav {
        padding: var(--space-md);
    }

    .nav-links {
        display: none;
    }

    .hero {
        padding-top: calc(60px + var(--space-2xl));
        min-height: auto;
    }

    .hero-visual {
        display: none;
    }

    .stats-inner {
        flex-direction: column;
        gap: var(--space-xl);
    }

    .stat-divider {
        width: 50px;
        height: 1px;
    }

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

    .filter-tags {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: var(--space-sm);
        flex-wrap: nowrap;
    }

    .filter-tag {
        flex-shrink: 0;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--space-xl);
    }

    .cta-actions {
        flex-direction: column;
    }

    .cta-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    :root {
        --space-xl: 1.5rem;
        --space-2xl: 2rem;
        --space-3xl: 2.5rem;
        --space-4xl: 3rem;
    }

    .btn {
        padding: var(--space-sm) var(--space-lg);
        font-size: 0.9rem;
    }

    .submit-form {
        padding: var(--space-lg);
    }
}

/* ============================================
   ANIMATIONS ON SCROLL
   ============================================ */

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Hidden projects for filtering */
.project-card.hidden {
    display: none;
}

/* ============================================
   FORM ENHANCEMENTS
   ============================================ */

.form-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--color-warm-gray);
    margin-top: var(--space-xs);
}

/* ============================================
   IMAGE PLACEHOLDER GRADIENTS
   ============================================ */

.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.image-placeholder .placeholder-icon {
    font-size: 3rem;
    opacity: 0.6;
}

.gradient-1 {
    background: linear-gradient(135deg, var(--color-terracotta-light) 0%, var(--color-terracotta) 100%);
    color: white;
}

.gradient-2 {
    background: linear-gradient(135deg, var(--color-sage-light) 0%, var(--color-sage) 100%);
    color: white;
}

.gradient-3 {
    background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
    color: var(--color-charcoal);
}

.gradient-4 {
    background: linear-gradient(135deg, #E8D5E0 0%, #B88BA0 100%);
    color: white;
}

.gradient-5 {
    background: linear-gradient(135deg, #D5E8E3 0%, #7BA099 100%);
    color: white;
}

/* ============================================
   SUBMISSION STATUS STYLES
   ============================================ */

.submit-status {
    text-align: center;
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin-top: var(--space-md);
}

.submit-status.success {
    background: var(--color-sage-light);
    color: var(--color-sage-dark);
}

.submit-status.error {
    background: var(--color-terracotta-light);
    color: var(--color-terracotta-dark);
}