/* 
 * Kenzie Armstrong - Personal Website Stylesheet
 * Custom CSS with glassmorphic cards, dynamic color variables, and fluid responsive design.
 */

/* ==========================================================================
   1. Design System & CSS Custom Properties
   ========================================================================== */

:root {
    --transition-speed: 0.4s;
    --transition-fast: 0.2s;
    --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-heading: 'Fredoka', 'Fredoka One', 'Trebuchet MS', sans-serif;

    /* Layout */
    --container-max-width: 1200px;
    --border-radius-lg: 24px;
    --border-radius-md: 16px;
    --border-radius-sm: 8px;
    --nav-height: 90px;

    /* Hover glow strength for .glow-border */
    --glow-opacity: 0.35;

    /* Default light/dark settings (overridden by theme state classes) */
    --transition-bounce: cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Night Mode Colors (Default / Deep Enchanted Space) */
body.mode-night {
    --bg-grad-1: #09031c;
    --bg-grad-2: #160a37;
    --bg-grad-3: #04010a;
    
    --text-main: #f0ebff;
    --text-muted: #af9ecc;
    
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-shadow: rgba(0, 0, 0, 0.4);
    
    --nav-bg: rgba(9, 3, 28, 0.6);
    --nav-border: rgba(255, 255, 255, 0.06);
    
    --modal-bg: rgba(9, 3, 28, 0.8);
    
    --star-color: rgba(255, 255, 255, 0.8);
    --petal-color: rgba(255, 182, 193, 0.7);
    --wildflower-opacity: 0.45;
}

/* Day Mode Colors (Soft Holographic Dawn) */
body.mode-day {
    --bg-grad-1: #e9f0ff;
    --bg-grad-2: #faf0ff;
    --bg-grad-3: #e5f7ff;
    
    --text-main: #2b1f47;
    --text-muted: #726391;
    
    --card-bg: rgba(255, 255, 255, 0.4);
    --card-border: rgba(255, 255, 255, 0.6);
    --card-shadow: rgba(43, 31, 71, 0.06);
    
    --nav-bg: rgba(233, 240, 255, 0.6);
    --nav-border: rgba(255, 255, 255, 0.5);
    
    --modal-bg: rgba(233, 240, 255, 0.85);
    
    --star-color: rgba(174, 59, 255, 0.4);
    --petal-color: rgba(255, 105, 180, 0.5);
    --wildflower-opacity: 0.75;
}

/* Theme Accent: Purple (Default) */
body.theme-purple {
    --primary: #ae3bff;
    --primary-hover: #9622eb;
    --primary-rgb: 174, 59, 255;
    --accent: #ff7be5;
    --accent-rgb: 255, 123, 229;
    --gradient-accent: linear-gradient(135deg, #ae3bff, #ff7be5);
    --accent-glow: rgba(174, 59, 255, 0.4);
}

/* Theme Accent: Red */
body.theme-red {
    --primary: #ff3b6f;
    --primary-hover: #eb2258;
    --primary-rgb: 255, 59, 111;
    --accent: #ff8fa3;
    --accent-rgb: 255, 143, 163;
    --gradient-accent: linear-gradient(135deg, #ff3b6f, #ff8fa3);
    --accent-glow: rgba(255, 59, 111, 0.45);
}

/* Theme Accent: Orange */
body.theme-orange {
    --primary: #ff883b;
    --primary-hover: #eb6f1e;
    --primary-rgb: 255, 136, 59;
    --accent: #ffd15c;
    --accent-rgb: 255, 209, 92;
    --gradient-accent: linear-gradient(135deg, #ff883b, #ffd15c);
    --accent-glow: rgba(255, 136, 59, 0.4);
}

/* ==========================================================================
   2. Reset & Typography
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
    /* Reserve the scrollbar track so opening the modal can't shift the page */
    scrollbar-gutter: stable;
}

body {
    font-family: var(--font-primary);
    color: var(--text-main);
    background-color: var(--bg-grad-1);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

/* Keep anchored section titles clear of the fixed navbar */
section[id] {
    scroll-margin-top: calc(var(--nav-height) + 20px);
}

/* Visually hidden but available to screen readers */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    transition: all var(--transition-fast) ease;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-grad-3);
}
::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: var(--border-radius-sm);
    border: 2px solid var(--bg-grad-3);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover);
}

/* Focus styles for keyboard users */
button:focus-visible,
a:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 4px;
}

/* ==========================================================================
   3. Base Layout Elements
   ========================================================================== */

.container {
    width: 90%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 80px 0;
}

#bgCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
}

.aurora-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -3;
    pointer-events: none;
    background: linear-gradient(125deg, var(--bg-grad-1) 0%, var(--bg-grad-2) 50%, var(--bg-grad-3) 100%);
    background-size: 200% 200%;
    animation: auroraShift 20s ease infinite alternate;
}

@keyframes auroraShift {
    0% { background-position: 0% 0%; }
    100% { background-position: 100% 100%; }
}

/* ==========================================================================
   4. Loading Screen
   ========================================================================== */

.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--bg-grad-1);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), visibility 0.8s;
}

.loading-screen.fade-out {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.magic-circle-container {
    position: relative;
    width: 120px;
    height: 120px;
    margin-bottom: 24px;
}

.magic-circle {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px dashed var(--primary);
    border-radius: 50%;
    animation: rotateCircle 8s linear infinite;
    box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.3);
}

.magic-circle::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 10px;
    height: 10px;
    background-color: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent);
}

.magic-star {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    animation: pulseStar 2s ease-in-out infinite alternate;
}

.loading-text {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--text-main);
    text-shadow: 0 0 10px rgba(var(--primary-rgb), 0.5);
    letter-spacing: 2px;
}

@keyframes rotateCircle {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulseStar {
    0% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.7; }
    100% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; text-shadow: 0 0 20px var(--accent); }
}

/* ==========================================================================
   5. Glassmorphism CSS Styles
   ========================================================================== */

.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 8px 32px var(--card-shadow);
    border-radius: var(--border-radius-lg);
    transition: transform var(--transition-speed) var(--transition-bounce), 
                box-shadow var(--transition-speed) ease, 
                border var(--transition-speed) ease,
                background var(--transition-speed) ease;
}

.glow-border {
    position: relative;
    box-shadow: 0 0 15px rgba(var(--primary-rgb), 0.1);
}

.glow-border:hover {
    box-shadow: 0 0 25px rgba(var(--primary-rgb), var(--glow-opacity));
    border-color: rgba(var(--primary-rgb), 0.5);
}

/* ==========================================================================
   6. Navigation Bar
   ========================================================================== */

.glass-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--nav-bg);
    border-bottom: 1px solid var(--nav-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 24px 0;
    transition: padding var(--transition-speed) ease, background var(--transition-speed) ease;
}

.glass-nav.shrink {
    padding: 12px 0;
    background: rgba(var(--primary-rgb), 0.05);
    backdrop-filter: blur(20px);
}

.nav-container {
    width: 90%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    /* Anchors the mobile .nav-links dropdown */
    position: static;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 10px rgba(var(--primary-rgb), 0.1);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    font-weight: 500;
    font-size: 1.05rem;
    position: relative;
    padding: 6px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 4px;
    transition: width var(--transition-fast) ease;
}

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

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

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

/* Hamburger — hidden on desktop, shown when .nav-links collapses */
.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-main);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    flex-shrink: 0;
}

.nav-toggle-bar {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: currentColor;
    transition: transform var(--transition-fast) ease,
                opacity var(--transition-fast) ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.95rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-main);
}

.nav-btn:hover {
    background: var(--gradient-accent);
    color: #fff;
    transform: translateY(-2px);
}

/* ==========================================================================
   7. Hero Section
   ========================================================================== */

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 120px; /* offset fixed nav */
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 60px;
    padding: 40px 0;
}

.hero-title {
    font-size: 4.2rem;
    font-weight: 800;
    margin-bottom: 8px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 10px rgba(var(--primary-rgb), 0.2));
}

.hero-subtitle {
    font-size: 1.8rem;
    font-family: var(--font-primary);
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 24px;
    letter-spacing: 1px;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 600px;
    color: var(--text-muted);
}

.cta-btn {
    display: inline-block;
    padding: 16px 36px;
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 50px;
    background: var(--gradient-accent);
    color: #ffffff;
    box-shadow: 0 8px 24px rgba(var(--primary-rgb), 0.3);
    transition: transform var(--transition-fast) var(--transition-bounce), 
                box-shadow var(--transition-fast) ease, 
                border-color var(--transition-fast) ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-btn:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 12px 30px rgba(var(--primary-rgb), 0.5);
}

.hero-image-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-frame {
    position: relative;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    border: 4px solid var(--card-border);
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 0 30px rgba(var(--primary-rgb), 0.2);
    animation: profilePulse 3s ease-in-out infinite alternate;
}

/* An <img> (not a background div) so it gets width/height and decoding hints */
.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}


.profile-frame:hover .profile-image {
    transform: scale(1.1);
}

@keyframes profilePulse {
    0% {
        box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.2), 
                    inset 0 0 15px rgba(255, 255, 255, 0.1);
        border-color: var(--card-border);
    }
    100% {
        box-shadow: 0 0 40px rgba(var(--primary-rgb), 0.6), 
                    inset 0 0 25px rgba(var(--primary-rgb), 0.2);
        border-color: rgba(var(--primary-rgb), 0.6);
    }
}

/* ==========================================================================
   8. Status Section
   ========================================================================== */

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.8rem;
    margin-bottom: 12px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
}

.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.status-card {
    padding: 24px;
    text-align: center;
    border-radius: var(--border-radius-lg);
}

.status-card:hover {
    transform: translateY(-8px);
}

.status-field-title {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary);
    margin-bottom: 12px;
}

.status-field-value {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 500;
}

/* ==========================================================================
   9. Hobbies Section
   ========================================================================== */

.hobbies-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.hobby-card {
    padding: 40px 32px;
    text-align: center;
    height: 100%;
}

.hobby-card:hover {
    transform: translateY(-12px) scale(1.03);
}

.hobby-icon {
    font-size: 3.5rem;
    margin-bottom: 24px;
    display: inline-block;
    filter: drop-shadow(0 5px 10px rgba(var(--primary-rgb), 0.2));
    animation: iconFloat 4s ease-in-out infinite alternate;
}

/* Stagger animations for floating icons */
.hobbies-grid div:nth-child(2) .hobby-icon {
    animation-delay: 1.3s;
}
.hobbies-grid div:nth-child(3) .hobby-icon {
    animation-delay: 2.6s;
}

@keyframes iconFloat {
    0% { transform: translateY(0); }
    100% { transform: translateY(-8px); }
}

.hobby-title {
    font-size: 1.6rem;
    margin-bottom: 16px;
    color: var(--text-main);
}

.hobby-description {
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* ==========================================================================
   10. Artwork Gallery (Pinterest Masonry)
   ========================================================================== */

.artwork-gallery {
    column-count: 3;
    column-gap: 24px;
    width: 100%;
}

.artwork-card {
    display: inline-block;
    width: 100%;
    margin-bottom: 24px;
    break-inside: avoid;
    overflow: hidden;
    cursor: pointer;
    border-radius: var(--border-radius-lg);
    /* Reset button chrome: these are <button> for keyboard access */
    padding: 0;
    font: inherit;
    color: inherit;
    text-align: left;
    -webkit-appearance: none;
    appearance: none;
}

/* Composed with the reveal vars so hovering a revealed card lifts it, and
   hovering one mid-reveal doesn't yank it back to its pre-reveal offset. */
.artwork-card:hover {
    transform: translateY(calc(var(--reveal-shift, 0px) - 10px))
               scale(calc(var(--reveal-scale, 1) * 1.02));
}

/* Subtle 3D tilt on pointer hover (progressive enhancement, JS sets the vars) */
.tilt-card {
    transform-style: preserve-3d;
    will-change: transform;
}

.tilt-card.tilting {
    transform: translateY(calc(var(--reveal-shift, 0px) - 10px))
               scale(calc(var(--reveal-scale, 1) * 1.02))
               rotateX(var(--tilt-x, 0deg))
               rotateY(var(--tilt-y, 0deg));
    transition: transform var(--transition-fast) ease-out;
}

.artwork-card:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 4px;
}

.artwork-image-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.artwork-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--border-radius-lg);
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.artwork-card:hover .artwork-img {
    transform: scale(1.06);
}

.artwork-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(var(--primary-rgb), 0.75) 0%, rgba(0, 0, 0, 0) 75%);
    opacity: 0;
    display: flex;
    align-items: flex-end;
    padding: 24px;
    transition: opacity var(--transition-speed) ease;
}

.artwork-card:hover .artwork-overlay {
    opacity: 1;
}

.artwork-overlay-content {
    color: #ffffff;
    transform: translateY(20px);
    transition: transform var(--transition-speed) var(--transition-bounce);
}

.artwork-card:hover .artwork-overlay-content {
    transform: translateY(0);
}

/* A <span>, not a heading — headings can't nest inside the card's <button> */
.artwork-card-title {
    display: block;
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    font-size: 1.4rem;
    margin-bottom: 4px;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.artwork-card-date {
    display: block;
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 8px;
}

.artwork-click-prompt {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: rgba(255, 255, 255, 0.25);
    padding: 4px 12px;
    border-radius: 20px;
    display: inline-block;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* ==========================================================================
   11. Artwork Modal
   ========================================================================== */

.art-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--modal-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed) ease, visibility var(--transition-speed);
}

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

.modal-close {
    position: absolute;
    top: 24px;
    right: 32px;
    font-size: 3rem;
    color: var(--text-main);
    z-index: 2010;
    transition: transform var(--transition-fast) ease, color var(--transition-fast);
}

.modal-close:hover {
    color: var(--primary);
    transform: scale(1.1) rotate(90deg);
}

.modal-content-wrapper {
    display: flex;
    align-items: center;
    width: 90%;
    max-width: 1000px;
    gap: 20px;
}

.modal-nav-btn {
    font-size: 2.5rem;
    color: var(--text-main);
    padding: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    width: 64px;
    height: 64px;
    flex-shrink: 0;
}

.modal-nav-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: scale(1.1);
}

.modal-card {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    max-height: 85vh;
}

.modal-image-container {
    width: 100%;
    /* Take whatever the card's 85vh budget leaves after the info block,
       so portrait artwork isn't needlessly letterboxed. */
    flex: 1 1 auto;
    min-height: 0;
    background: rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.modal-image-container img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.modal-info {
    padding: 32px;
    flex: 0 0 auto;
    overflow-y: auto;
}

.modal-info h2 {
    font-size: 2rem;
    margin-bottom: 4px;
    color: var(--primary);
}

.modal-date {
    display: block;
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

/* Targets <p id="modalDescription"> — there is no .modal-description element */
#modalDescription {
    font-size: 1.1rem;
    color: var(--text-main);
}

/* ==========================================================================
   12. Animated Elements (Butterflies, Wildflowers)
   ========================================================================== */

#wildflower-background {
    position: fixed;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 220px;
    z-index: -1;
    pointer-events: none;
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
    opacity: var(--wildflower-opacity);
    transition: opacity var(--transition-speed) ease;
}

.bg-flower {
    transform-origin: bottom center;
    animation: sway 6s ease-in-out infinite alternate;
}

.bg-flower:nth-child(even) {
    animation-name: swayReverse;
    animation-duration: 7.5s;
}

@keyframes sway {
    0% { transform: rotate(-3deg); }
    100% { transform: rotate(5deg); }
}

@keyframes swayReverse {
    0% { transform: rotate(4deg); }
    100% { transform: rotate(-4deg); }
}

/* CSS-driven Butterflies */
.butterfly {
    position: absolute;
    width: 32px;
    height: 32px;
    z-index: -1;
    pointer-events: none;
    perspective: 1000px;
    transform-style: preserve-3d;
}

.butterfly-wing {
    position: absolute;
    width: 16px;
    height: 24px;
    border-radius: 50% 50% 10% 40%;
    transform-origin: right center;
    background: var(--gradient-accent);
    opacity: 0.85;
    box-shadow: 0 0 8px rgba(var(--primary-rgb), 0.5);
}

.butterfly-wing.left {
    left: 0;
    animation: flapLeft 0.18s ease-in-out infinite alternate;
}

.butterfly-wing.right {
    left: 16px;
    border-radius: 50% 50% 40% 10%;
    transform-origin: left center;
    animation: flapRight 0.18s ease-in-out infinite alternate;
}

@keyframes flapLeft {
    0% { transform: rotateY(0deg); }
    100% { transform: rotateY(-75deg); }
}

@keyframes flapRight {
    0% { transform: rotateY(0deg); }
    100% { transform: rotateY(75deg); }
}

/* ==========================================================================
   13. Scroll Reveal System
   ========================================================================== */

/* Reveal drives two custom props rather than `transform` directly, so cards
   that also have a :hover or tilt transform can compose with the reveal
   instead of one rule silently winning and stranding the card at opacity 0. */
.scroll-reveal {
    opacity: 0;
    --reveal-shift: 0px;
    --reveal-scale: 1;
    transform: translateY(var(--reveal-shift)) scale(var(--reveal-scale));
    transition: opacity 1s cubic-bezier(0.215, 0.61, 0.355, 1),
                transform 1.2s cubic-bezier(0.215, 0.61, 0.355, 1);
}

.fade-slide {
    --reveal-shift: 50px;
}

.fade-scale {
    --reveal-scale: 0.9;
}

.scroll-reveal.revealed {
    opacity: 1;
    --reveal-shift: 0px;
    --reveal-scale: 1;
}

/* ==========================================================================
   14. Footer
   ========================================================================== */

.glass-footer {
    background: var(--nav-bg);
    border-top: 1px solid var(--nav-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 40px 0;
    text-align: center;
    margin-top: 80px;
    position: relative;
    z-index: 10;
}

.footer-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.copyright {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.footer-message {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    color: var(--primary);
    text-shadow: 0 0 10px rgba(var(--primary-rgb), 0.1);
}


/* ==========================================================================
   14b. Achievements Section & Toast Notifications
   ========================================================================== */

.achievements-section {
    padding-top: 40px;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    list-style: none;
}

.achievement-card {
    padding: 32px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.badge-icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(var(--primary-rgb), 0.1);
    border: 2px solid rgba(var(--primary-rgb), 0.15);
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
    transition: all var(--transition-speed) ease;
    box-shadow: 0 0 15px rgba(var(--primary-rgb), 0.05);
}

.badge-icon {
    font-size: 2.8rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.25));
}

.badge-title {
    font-size: 1.4rem;
    margin-bottom: 8px;
    color: var(--text-main);
    transition: color var(--transition-speed) ease;
}

.badge-description {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* Locked State — opacity 0.55 alone dropped muted text below contrast floor */
.achievement-card.locked {
    opacity: 0.75;
}

.achievement-card.locked .badge-icon-wrapper {
    background: rgba(255, 255, 255, 0.02) !important;
    border-color: rgba(255, 255, 255, 0.05) !important;
    box-shadow: none !important;
}

.achievement-card.locked .badge-icon {
    filter: grayscale(100%) contrast(70%);
}

.achievement-card.locked .badge-title {
    color: var(--text-muted);
}

/* Unlocked State (Active Glow) */
.achievement-card:not(.locked) {
    animation: unlockPop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    border-color: rgba(var(--primary-rgb), 0.6);
    background: rgba(var(--primary-rgb), 0.06);
}

.achievement-card:not(.locked) .badge-icon-wrapper {
    background: var(--gradient-accent);
    border-color: transparent;
    transform: scale(1.1);
    box-shadow: 0 0 25px rgba(var(--primary-rgb), 0.6);
}

.achievement-card:not(.locked) .badge-icon {
    filter: none;
    animation: badgeFloat 3s ease-in-out infinite alternate;
}

@keyframes unlockPop {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); box-shadow: 0 0 35px rgba(var(--primary-rgb), 0.4); }
    100% { transform: scale(1); }
}

@keyframes badgeFloat {
    0% { transform: translateY(0); }
    100% { transform: translateY(-6px); }
}

/* Toast System styling */
.toast-container {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 16px;
    pointer-events: none;
}

.toast {
    background: var(--card-bg);
    border: 1px solid rgba(var(--primary-rgb), 0.4);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    padding: 16px 24px;
    border-radius: var(--border-radius-md);
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 16px;
    transform: translateX(120%);
    opacity: 0;
    transition: transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275), 
                opacity 0.6s ease;
    pointer-events: auto;
    width: 320px;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-badge-icon {
    font-size: 2.2rem;
    animation: toastSpin 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes toastSpin {
    0% { transform: scale(0.5) rotate(-45deg); }
    100% { transform: scale(1) rotate(0deg); }
}

.toast-content {
    flex-grow: 1;
}

.toast-close {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-size: 1.3rem;
    line-height: 1;
    color: var(--text-muted);
    background: rgba(var(--primary-rgb), 0.08);
    display: flex;
    justify-content: center;
    align-items: center;
    align-self: flex-start;
}

.toast-close:hover {
    color: var(--text-main);
    background: rgba(var(--primary-rgb), 0.2);
}

.toast-content h4 {
    font-family: var(--font-heading);
    color: var(--primary);
    font-size: 1.1rem;
    margin-bottom: 2px;
}

.toast-content p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==========================================================================
   15. Responsive Media Queries
   ========================================================================== */

@media (max-width: 1024px) {
    .hobbies-grid {
        gap: 24px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .artwork-gallery {
        column-count: 2;
    }
}

@media (max-width: 900px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-description {
        margin: 0 auto 32px auto;
    }
    
    .hobbies-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 0 auto;
    }
    
    /* Collapse the inline links into a toggleable dropdown panel */
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        flex-direction: column;
        gap: 0;
        background: var(--nav-bg);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--nav-border);
        padding: 8px 5%;
        /* Collapsed: not rendered, not focusable, not announced */
        display: none;
    }

    .glass-nav.nav-open .nav-links {
        display: flex;
    }

    .nav-links li {
        width: 100%;
        border-bottom: 1px solid var(--nav-border);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        display: block;
        width: 100%;
        padding: 16px 4px;
        font-size: 1.1rem;
    }

    /* The sliding underline reads as a glitch in a stacked list */
    .nav-links a::after {
        display: none;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .artwork-gallery {
        column-count: 1;
    }
    
    .btn-text {
        display: none; /* hide label on mobile nav to save space */
    }
    
    .nav-btn {
        padding: 8px 12px;
    }
    
    .modal-nav-btn {
        width: 48px;
        height: 48px;
        font-size: 1.8rem;
    }
    
    .modal-info {
        padding: 20px;
    }

    .modal-info h2 {
        font-size: 1.5rem;
    }

    /* Toast was a fixed 320px — overflows narrow viewports */
    .toast-container {
        left: 16px;
        right: 16px;
        bottom: 16px;
    }

    .toast {
        width: auto;
    }

    .modal-content-wrapper {
        width: 96%;
        gap: 8px;
    }
}

/* Accessibility Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto !important;
    }

    *,
    *::before,
    *::after {
        animation-delay: 0s !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    /* Neutralize decorative motion only. A blanket `transform: none` would
       also kill translate(-50%,-50%) centering and the scroll-reveal end
       state, so opt specific offenders out instead. */
    .status-card:hover,
    .hobby-card:hover,
    .artwork-card:hover,
    .nav-btn:hover,
    .cta-btn:hover,
    .modal-nav-btn:hover,
    .modal-close:hover,
    .artwork-card:hover .artwork-img,
    .profile-frame:hover .profile-image,
    .tilt-card.tilting {
        transform: none !important;
    }

    /* Reveal content immediately rather than leaving it at opacity 0 */
    .scroll-reveal {
        opacity: 1 !important;
        transform: none !important;
    }

    /* Toast slides in via transform; with motion reduced, fade instead.
       Keep it off-canvas until .show so it can't sit visible at rest. */
    .toast {
        transform: translateX(120%);
    }

    .toast.show {
        transform: translateX(0);
    }

    #bgCanvas, .bg-flower, .butterfly, .aurora-overlay {
        display: none !important;
    }
}