/* ===== CSS RESET & CUSTOM PROPERTIES ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Dark Mode Claymorphism */
    --bg-primary: #1F222B;
    --bg-secondary: #272B36;
    --bg-tertiary: #303543;
    --grid-lines: #3E4555;
    --block-color: #4DB8FF;
    --block-alt: #46D160;
    --center-marker: #FF5A6A;
    --text-primary: #F0F4F8;
    --text-secondary: #A9B3C1;
    --accent: #4DB8FF;
    --accent-hover: #7DD3FC;
    --shadow: rgba(0, 0, 0, 0.25);
    --transition: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --radius: 16px;
    --radius-lg: 24px;
    --clay-shadow-out: 8px 8px 16px rgba(0, 0, 0, 0.4), -8px -8px 16px rgba(255, 255, 255, 0.05);
    --clay-shadow-in: inset 6px 6px 12px rgba(0, 0, 0, 0.3), inset -6px -6px 12px rgba(255, 255, 255, 0.05);
    --clay-btn-out: 4px 4px 8px rgba(0, 0, 0, 0.4), -4px -4px 8px rgba(255, 255, 255, 0.05);
    --clay-btn-in: inset 2px 2px 4px rgba(255, 255, 255, 0.1), inset -2px -2px 4px rgba(0, 0, 0, 0.2);
    --clay-btn-active: inset 4px 4px 8px rgba(0, 0, 0, 0.4), inset -4px -4px 8px rgba(255, 255, 255, 0.05);
}

[data-theme="light"] {
    /* Light Mode Claymorphism */
    --bg-primary: #E0E5EC;
    --bg-secondary: #E9EEF5;
    --bg-tertiary: #F2F7FD;
    --grid-lines: #D1D9E6;
    --block-color: #0099FF;
    --text-primary: #2D3748;
    --text-secondary: #4A5568;
    --shadow: rgba(163, 177, 198, 0.5);
    --clay-shadow-out: 9px 9px 16px rgb(163, 177, 198, 0.6), -9px -9px 16px rgba(255, 255, 255, 0.5);
    --clay-shadow-in: inset 6px 6px 10px 0 rgba(163, 177, 198, 0.5), inset -6px -6px 10px 0 rgba(255, 255, 255, 0.8);
    --clay-btn-out: 6px 6px 10px 0 rgba(163, 177, 198, 0.4), -6px -6px 10px 0 rgba(255, 255, 255, 0.8);
    --clay-btn-in: inset 3px 3px 6px 0 rgba(255, 255, 255, 0.8), inset -3px -3px 6px 0 rgba(163, 177, 198, 0.4);
    --clay-btn-active: inset 4px 4px 8px 0 rgba(163, 177, 198, 0.5), inset -4px -4px 8px 0 rgba(255, 255, 255, 0.8);
}

/* ===== ANIMATIONS & KEYFRAMES ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% center;
    }

    100% {
        background-position: 200% center;
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.02);
    }
}

@keyframes glowPulse {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(0, 170, 255, 0.2);
    }

    50% {
        box-shadow: 0 0 30px rgba(0, 170, 255, 0.4);
    }
}

@keyframes subtleFloat {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-5px);
    }
}

@keyframes gradientMove {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Snappier base transition */
:root {
    --transition: 0.15s ease;
    --transition-bounce: 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===== BASE STYLES ===== */
html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
    animation: fadeIn 0.4s ease-out;
}

/* Background accent orb */
body::before {
    content: '';
    position: fixed;
    top: 30%;
    left: 50%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 170, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
    animation: gradientMove 30s linear infinite;
}

/* ===== HEADER ===== */
.header {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-bottom: 1px solid var(--grid-lines);
    padding: 1rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--block-color) 0%, var(--block-alt) 100%);
    border-radius: var(--radius);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 2px;
    padding: 4px;
}

.logo-icon span {
    background: var(--bg-primary);
    border-radius: 2px;
}

.logo-icon span:nth-child(1),
.logo-icon span:nth-child(3),
.logo-icon span:nth-child(7),
.logo-icon span:nth-child(9) {
    opacity: 0;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--block-color) 0%, var(--block-alt) 50%, var(--block-color) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s ease-in-out infinite;
}

.theme-toggle {
    background: var(--bg-tertiary);
    border: 1px solid var(--grid-lines);
    border-radius: 50px;
    padding: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    transition: var(--transition-bounce);

    box-shadow: var(--clay-btn-out), var(--clay-btn-in);
    border: none;
}

.theme-toggle:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(0, 170, 255, 0.4);

    box-shadow: var(--clay-btn-out);
    transform: translateY(-2px);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-toggle svg {
    width: 22px;
    height: 22px;
    fill: var(--text-primary);
    transition: var(--transition);
}

.theme-toggle:hover svg {
    fill: var(--bg-primary);
}

/* ===== MAIN LAYOUT ===== */
.app-container {
    max-width: 1600px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 1.5rem;
    padding: 1.5rem;
    min-height: calc(100vh - 80px);
}

/* ===== CONTROLS SIDEBAR ===== */
.controls {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--grid-lines);
    height: fit-content;
    position: sticky;
    top: 100px;
    animation: fadeInUp 0.5s ease-out 0.1s both;
    transition: box-shadow var(--transition);

    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
    border: none;
}

.controls:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.control-section {
    margin-bottom: 1.5rem;
}

.control-section:last-child {
    margin-bottom: 0;
}

.control-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    display: block;
}

/* Shape Selector Buttons */
.shape-selector {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.shape-btn {
    background: var(--bg-tertiary);
    border: 2px solid var(--grid-lines);
    border-radius: var(--radius);
    padding: 0.75rem 0.5rem;
    cursor: pointer;
    transition: var(--transition-bounce);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;

    box-shadow: var(--clay-btn-out), var(--clay-btn-in);
    border: none;
}

.shape-btn svg {
    width: 24px;
    height: 24px;
    color: var(--text-primary);
    transition: var(--transition);
}

.shape-btn span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}

.shape-btn:hover {
    border-color: var(--accent);
    background: rgba(0, 170, 255, 0.1);
    transform: scale(1.03);

    box-shadow: var(--clay-btn-out);
    transform: translateY(-2px);
}

.shape-btn:active {

    box-shadow: var(--clay-btn-active);
    transform: translateY(1px);
}

.shape-btn.active {
    border-color: var(--accent);
    background: rgba(0, 170, 255, 0.15);
    box-shadow: 0 0 12px rgba(0, 170, 255, 0.25);

    box-shadow: var(--clay-btn-active);
    transform: translateY(1px);
}

.shape-btn.active svg {
    color: var(--accent);
}

.shape-btn.active span {
    color: var(--accent);
}

/* Size Inputs */
.size-inputs {
    display: grid;
    gap: 1rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.input-row {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.number-input {
    width: 80px;
    padding: 0.6rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--grid-lines);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
}

.number-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 170, 255, 0.2);
}

.slider-container {
    flex: 1;
    display: flex;
    align-items: center;
}

.slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--grid-lines);
    border-radius: 3px;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 6px var(--shadow);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    background: var(--accent-hover);
}

.slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

/* Toggle Switches */
.toggle-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toggle-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}

.toggle-item label {
    font-size: 0.875rem;
    color: var(--text-primary);
    cursor: pointer;
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--grid-lines);
    border-radius: 26px;
    transition: var(--transition);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    left: 3px;
    bottom: 3px;
    background: var(--text-secondary);
    border-radius: 50%;
    transition: var(--transition);
}

.toggle-switch input:checked+.toggle-slider {
    background: var(--accent);
}

.toggle-switch input:checked+.toggle-slider::before {
    transform: translateX(22px);
    background: white;
}

/* Thickness Slider (Hidden by default) */
.thickness-control {
    display: none;
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
}

.thickness-control.visible {
    display: block;
}

.thickness-value {
    font-size: 0.875rem;
    color: var(--accent);
    font-weight: 600;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #0088CC 100%);
    color: white;
    border: none;
    border-radius: var(--radius);
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-bounce);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;

    box-shadow: var(--clay-btn-out), var(--clay-btn-in);
    border: none;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 170, 255, 0.5);

    box-shadow: var(--clay-btn-out);
    transform: translateY(-2px);
}

.btn-primary:active {

    box-shadow: var(--clay-btn-active);
    transform: translateY(1px);
}

.btn-primary svg {
    width: 20px;
    height: 20px;
    fill: white;
}

/* Block Counter */
.block-counter {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border: 1px solid var(--grid-lines);
    border-radius: var(--radius);
    padding: 1rem;
    text-align: center;
}

.block-count-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.block-count-value {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--block-color) 0%, var(--block-alt) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stack-count {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--grid-lines);
}

.stack-count .stacks {
    color: var(--accent);
    font-weight: 600;
}

.stack-count .remainder {
    color: var(--block-alt);
    font-weight: 600;
}

/* Interactive Mode Styles */
.interactive-controls {
    display: none;
    margin-top: 0.75rem;
    padding: 1.25rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
    border: none;
    gap: 1rem;
}

.interactive-controls.visible {
    display: flex;
    flex-direction: column;
}

.btn-reset {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--grid-lines);
    border-radius: var(--radius);
    padding: 0.6rem 1rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;

    box-shadow: var(--clay-btn-out), var(--clay-btn-in);
    border: none;
}

.btn-reset:hover {
    background: var(--center-marker);
    border-color: var(--center-marker);
    color: white;

    box-shadow: var(--clay-btn-out);
    transform: translateY(-2px);
}

.btn-reset svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.progress-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.progress-info .placed {
    color: var(--block-alt);
    font-weight: 600;
}

/* Guide Lines Controls */
.guideline-controls {
    display: none;
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
}

.guideline-controls.visible {
    display: block;
}

.interval-selector {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.interval-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--grid-lines);
    border-radius: var(--radius);
    padding: 0.4rem 0.75rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);

    box-shadow: var(--clay-btn-out), var(--clay-btn-in);
    border: none;
}

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

    box-shadow: var(--clay-btn-out);
    transform: translateY(-2px);
}

.interval-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;

    box-shadow: var(--clay-btn-active);
    transform: translateY(1px);
}

/* ===== CANVAS VIEWER ===== */
.viewer {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--grid-lines);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    margin-bottom: 2rem;
    animation: fadeInUp 0.5s ease-out 0.2s both;
    transition: box-shadow var(--transition), border-color var(--transition);

    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
    border: none;
}

.viewer:hover {
    border-color: rgba(0, 170, 255, 0.3);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2), 0 0 30px rgba(0, 170, 255, 0.1);
}

.viewer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--grid-lines);
    background: var(--bg-tertiary);
}

.viewer-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.coord-display {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius);
    min-width: 100px;
    text-align: center;
}

.coord-display.active {
    color: var(--accent);
}

.canvas-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    overflow: hidden;
    min-height: 400px;
    touch-action: none;
    position: relative;
}

.canvas-wrapper {
    transition: transform 0.05s ease-out;
    transform-origin: center center;
}

#gridCanvas {
    background: var(--bg-primary);
    border-radius: var(--radius);
    box-shadow: 0 4px 24px var(--shadow);
    cursor: crosshair;
    max-width: 100%;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    touch-action: none;
}

/* ===== SEO CONTENT ===== */
.seo-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 6rem 1.5rem;
}

.seo-content h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, var(--block-color) 0%, var(--block-alt) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.seo-text {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 4rem 5rem;
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

/* Subtle glowing orb effect behind the text container for depth */
.seo-text::before {
    content: '';
    position: absolute;
    top: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    opacity: 0.05;
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
}

.seo-text h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 3.5rem 0 1.5rem 0;
    color: var(--text-primary);
    position: relative;
    padding-left: 1.25rem;
    letter-spacing: -0.01em;
    display: inline-block;
}

.seo-text h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10%;
    height: 80%;
    width: 5px;
    background: linear-gradient(to bottom, var(--accent), var(--block-alt));
    border-radius: 5px;
}

.seo-text h2:first-child {
    margin-top: 0;
}

.seo-text h3 {
    font-size: 1.35rem;
    font-weight: 600;
    margin: 2.5rem 0 1.25rem 0;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.seo-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.85;
    font-size: 1.1rem;
    font-weight: 400;
}

.seo-text p strong {
    color: var(--text-primary);
    font-weight: 600;
    background: linear-gradient(120deg, rgba(0, 153, 255, 0.1) 0%, rgba(76, 175, 80, 0.1) 100%);
    padding: 0 0.3em;
    border-radius: 4px;
}

/* Feature list with puffy 3D card styling */
.seo-text ul {
    list-style: none;
    margin: 2.5rem 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.seo-text ul li {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: transform var(--transition);
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
    border: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.seo-text ul li:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--clay-shadow-out);
}

.seo-text ul li strong {
    color: var(--accent);
    display: inline-block;
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    background: none;
    padding: 0;
}

/* Ordered list (step-by-step guide - beautiful hanging badges) */
.seo-text ol {
    color: var(--text-secondary);
    margin: 2.5rem 0;
    padding: 0;
    counter-reset: step-counter;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.seo-text ol li {
    position: relative;
    counter-increment: step-counter;
    background: var(--bg-secondary);
    padding: 1.75rem 2rem 1.75rem 4.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
    border: none;
    font-size: 1.05rem;
    line-height: 1.7;
    transition: transform var(--transition);
}

.seo-text ol li:hover {
    transform: translateX(10px);
}

.seo-text ol li::before {
    content: counter(step-counter);
    position: absolute;
    left: -1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 3.5rem;
    height: 3.5rem;
    background: linear-gradient(135deg, var(--accent) 0%, var(--block-alt) 100%);
    border-radius: 50%;
    color: white;
    font-weight: 800;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 16px var(--shadow), inset 2px 2px 6px rgba(255, 255, 255, 0.3);
    border: 4px solid var(--bg-tertiary);
}

.seo-text ol li strong {
    color: var(--text-primary);
    font-size: 1.1rem;
    background: none;
    padding: 0;
}

.seo-text a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    position: relative;
    padding-bottom: 2px;
}

.seo-text a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.seo-text a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Content Images */
.content-image {
    margin: 3.5rem 0;
    text-align: center;
}

.content-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
    border: 10px solid var(--bg-tertiary);
    /* Polaroid-style frame */
    transition: transform 0.4s ease;
}

.content-image img:hover {
    transform: scale(1.02);
}

.content-image figcaption {
    margin-top: 1.25rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-style: italic;
    font-weight: 500;
}

/* Size Guide Table using elegant soft UI */
.size-guide-table {
    overflow-x: auto;
    margin: 3rem 0;
    border-radius: var(--radius-lg);
    padding: 0.5rem;
}

.size-guide-table table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
}

.size-guide-table th,
.size-guide-table td {
    padding: 1.25rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--grid-lines);
}

.size-guide-table th {
    background: rgba(0, 0, 0, 0.02);
    color: var(--text-primary);
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-bottom: 2px solid var(--grid-lines);
}

.size-guide-table td {
    font-size: 1.05rem;
    color: var(--text-secondary);
    transition: background 0.3s ease;
}

.size-guide-table tr:hover td {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.size-guide-table tr:last-child td {
    border-bottom: none;
}

/* FAQ Section */
.faq-section {
    margin-top: 4rem;
    margin-bottom: 4rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.faq-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
    border: none;
    transition: transform var(--transition);
}

.faq-item:hover {
    transform: translateY(-2px);
}

.faq-question {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
}

.faq-question::before {
    content: '?';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    font-size: 1rem;
    margin-right: 0.75rem;
    box-shadow: 0 2px 8px var(--shadow);
}

.faq-answer {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    padding-left: 2.5rem;
    /* Indent under the question mark */
}

/* Pro Tip Box - Glowing Highlight */
.seo-text p:has(strong:first-child) {
    position: relative;
    background: linear-gradient(135deg, rgba(77, 184, 255, 0.08) 0%, rgba(70, 209, 96, 0.08) 100%);
    border: 2px solid rgba(77, 184, 255, 0.2);
    padding: 2rem;
    border-radius: var(--radius-lg);
    margin: 2.5rem 0;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.02);
}

.seo-text p:has(strong:first-child)::before {
    content: '💡';
    position: absolute;
    top: -15px;
    left: 2rem;
    background: var(--bg-tertiary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 1.25rem;
    box-shadow: 0 4px 12px var(--shadow);
}

/* ===== NEW TOP CONTENT FOR ADSENSE ===== */
.top-content {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 2rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
}

.top-content h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--block-color) 0%, var(--block-alt) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
}

.top-text-container {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: center;
    margin-bottom: 3rem;
}

.top-text {
    flex: 1;
    min-width: 300px;
}

.top-text p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.hero-image-top {
    flex: 1;
    min-width: 300px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--clay-shadow-out);
    margin: 0;
}

.hero-image-top img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.hero-image-top:hover img {
    transform: scale(1.02);
}

.quick-links {
    background: var(--bg-tertiary);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--clay-shadow-in);
    text-align: center;
}

.quick-links h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.links-grid a {
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: var(--radius);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    box-shadow: var(--clay-btn-out);
    transition: var(--transition-bounce);
}

.links-grid a:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 170, 255, 0.2), var(--clay-btn-out);
    color: var(--accent);
}

/* Responsive adjustments */
@media (max-width: 900px) {
    .seo-text {
        padding: 3rem 2.5rem;
    }
}

@media (max-width: 768px) {
    .seo-content {
        padding: 4rem 1rem;
    }

    .seo-content h1 {
        font-size: 2.2rem;
    }

    .seo-text {
        padding: 2rem 1.5rem;
    }

    .seo-text h2 {
        font-size: 1.5rem;
    }

    .seo-text p {
        font-size: 1rem;
    }

    .seo-text ul {
        grid-template-columns: 1fr;
    }

    .seo-text ol li {
        padding-left: 2.5rem;
        padding-top: 2.5rem;
    }

    .seo-text ol li::before {
        top: 0;
        transform: translateY(-50%);
        left: 1.5rem;
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1rem;
    }

    .faq-answer {
        padding-left: 0;
    }
}

/* ===== COMMENTS SECTION ===== */
*/ .comments-section {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 1.5rem 3rem 1.5rem;
}

.comments-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.comments-container {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid var(--grid-lines);

    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
    border: none;
}

.comment-form {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--grid-lines);
}

.comment-form h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--grid-lines);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 170, 255, 0.2);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.spam-notice {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    margin-bottom: 1rem;
    font-style: italic;
}

.btn-submit {
    background: linear-gradient(135deg, var(--accent) 0%, #0088CC 100%);
    color: white;
    border: none;
    border-radius: var(--radius);
    padding: 0.75rem 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);

    box-shadow: var(--clay-btn-out), var(--clay-btn-in);
    border: none;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 170, 255, 0.4);

    box-shadow: var(--clay-btn-out);
    transform: translateY(-2px);
}

.comments-list h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.comment {
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid var(--grid-lines);

    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
    border: none;
}

.comment:last-child {
    margin-bottom: 0;
}

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.comment-author {
    font-weight: 600;
    color: var(--accent);
}

.comment-date {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.comment-body {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

.comment-body a {
    color: var(--accent);
    text-decoration: none;
}

.comment-body a:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--grid-lines);
    padding: 2rem 1.5rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-section a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

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

.footer-bottom {
    max-width: 1200px;
    margin: 2rem auto 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--grid-lines);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}



/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
    .app-container {
        grid-template-columns: 1fr;
        padding: 1rem;
        gap: 1rem;
    }

    .controls {
        position: static;

        box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
        border: none;
    }

    .header-content {
        padding: 0 0.5rem;
    }

    .logo-text {
        font-size: 1.25rem;
    }

    .canvas-container {
        min-height: 450px;
        padding: 1rem;
        margin-top: 0.5rem;
    }

    .viewer {
        margin-bottom: 2.5rem;

        box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
        border: none;
    }

    .viewer-header {
        margin-bottom: 0;
    }

    .seo-content {
        padding: 10rem 1rem;
    }

    .seo-text {
        padding: 1.5rem;

        box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
        border: none;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .shape-selector {
        grid-template-columns: repeat(3, 1fr);
    }

    .input-row {
        flex-direction: column;
        align-items: stretch;
    }

    .number-input {
        width: 100%;
    }

    .block-count-value {
        font-size: 1.75rem;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.generating {
    animation: pulse 1s ease-in-out infinite;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--grid-lines);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* ===== GLOBAL CLAYMORPHISM ADDITIONS ===== */

/* Navigation & Header */
.nav-links a.btn-tool {
    background: linear-gradient(135deg, var(--accent) 0%, #0088CC 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-bounce);
    box-shadow: var(--clay-btn-out), var(--clay-btn-in);
}

.nav-links a.btn-tool:hover {
    transform: translateY(-2px);
    box-shadow: var(--clay-btn-out);
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    transition: var(--transition);
}

.nav-links a:hover:not(.btn-tool) {
    background: var(--bg-tertiary);
    color: var(--accent);
    box-shadow: var(--clay-btn-in);
}

/* Page Titles & Headers */
.page-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--block-color) 0%, var(--block-alt) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
}

.page-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero Sections (Aux Pages and Blog Indexes) */
.hero {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 4rem 2rem;
    text-align: center;
    margin: 2rem auto;
    max-width: 1200px;
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 170, 255, 0.05) 0%, transparent 60%);
    z-index: -1;
    pointer-events: none;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--block-color) 0%, var(--block-alt) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Content Sections (Main content blocks in aux pages) */
.content-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 3rem;
    margin-bottom: 3rem;
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
}

.content-section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.content-section p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* Feature Grid and Cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: var(--transition-bounce);
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
}

.feature-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--clay-shadow-out), 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: var(--bg-secondary);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: var(--clay-btn-out), var(--clay-btn-in);
}

/* Contact Page Specifics */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto 4rem;
}

.contact-info,
.contact-form {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    box-shadow: var(--clay-btn-in);
}

.contact-item .contact-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    background: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--clay-btn-out), var(--clay-btn-in);
    flex-shrink: 0;
}

/* Forms & Inputs Enhancement */
.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-tertiary);
    border: none;
    padding: 1rem;
    border-radius: var(--radius);
    color: var(--text-primary);
    box-shadow: var(--clay-btn-in);
    transition: var(--transition);
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    box-shadow: var(--clay-btn-in), 0 0 0 3px rgba(0, 170, 255, 0.3);
    outline: none;
}

/* CTA Sections */
.cta-section {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border-radius: var(--radius-lg);
    padding: 4rem 2rem;
    text-align: center;
    margin: 4rem auto;
    max-width: 1000px;
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent) 0%, #0088CC 100%);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    margin-top: 1.5rem;
    transition: var(--transition-bounce);
    box-shadow: var(--clay-btn-out), var(--clay-btn-in);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--clay-btn-out);
}

/* Blog Article Layout */
.article-container {
    max-width: 900px;
    margin: 2rem auto;
    padding: 3rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
}

.article-header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--grid-lines);
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.article-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.article-category {
    background: var(--accent);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    box-shadow: var(--clay-btn-out);
    display: inline-block;
    margin-bottom: 1rem;
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Blog Content Blocks */
.article-content h2 {
    font-size: 2rem;
    margin: 3rem 0 1.5rem;
    color: var(--text-primary);
}

.article-content h3 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
    color: var(--text-primary);
}

.article-content p {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.article-content ul,
.article-content ol {
    margin: 0 0 2rem 2rem;
    color: var(--text-secondary);
    font-size: 1.15rem;
    line-height: 1.8;
}

/* Specialized Content Boxes with Claymorphism */
.materials-box,
.size-card,
.step-box,
.tip-box,
.info-box,
.cta-box,
.author-box {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    margin: 3rem 0;
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
}

.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.material-item {
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--clay-btn-out), var(--clay-btn-in);
}

.material-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.step-header,
.size-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    box-shadow: var(--clay-btn-out);
}

.size-icon {
    font-size: 3rem;
}

.author-box {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    margin-top: 5rem;
    padding: 3rem;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-radius: var(--radius-lg);
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
}

.author-avatar {
    font-size: 4rem;
    width: 100px;
    height: 100px;
    background: var(--bg-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--clay-btn-out), var(--clay-btn-in);
    flex-shrink: 0;
}

.credential-badge {
    display: inline-block;
    background: var(--bg-primary);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: var(--clay-btn-in);
    margin-right: 0.5rem;
    margin-top: 1rem;
}

/* Related Posts Widget */
.related-posts {
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 2px solid var(--grid-lines);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.related-card {
    display: block;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-decoration: none;
    transition: var(--transition-bounce);
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
}

.related-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--clay-shadow-out);
}

.related-card h4 {
    color: var(--text-primary);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.related-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Legal text format */
.legal-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 4rem;
    margin: 2rem auto;
    max-width: 1000px;
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
}

.legal-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.legal-content .last-updated {
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 3rem;
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--bg-tertiary);
    border-radius: 50px;
    box-shadow: var(--clay-btn-in);
}

.legal-content h2 {
    font-size: 1.75rem;
    margin: 2.5rem 0 1rem;
    color: var(--text-primary);
}

.legal-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Blog Index specific */
.blog-header {
    text-align: center;
    margin: 4rem 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

.blog-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-decoration: none;
    transition: var(--transition-bounce);
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--clay-shadow-out), 0 20px 40px rgba(0, 0, 0, 0.2);
}

.blog-card-image {
    height: 200px;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    border-bottom: 1px solid var(--grid-lines);
}

.blog-card-content {
    padding: 2.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-category {
    color: var(--accent);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.blog-card h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.blog-card p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex: 1;
}

.blog-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--grid-lines);
}

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

    .article-container,
    .legal-content {
        padding: 2rem;
        margin: 1rem;
    }

    .hero {
        padding: 3rem 1.5rem;
        margin: 1rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 600px) {

    .article-title,
    .legal-content h1 {
        font-size: 2rem;
    }

    .features-grid,
    .materials-grid {
        grid-template-columns: 1fr;
    }

    .author-box {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

/* ===== COOKIE CONSENT BANNER ===== */
.cookie-banner {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 800px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 1.5rem 2rem;
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
    border: 1px solid var(--grid-lines);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s ease;
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, 50px);
}

.cookie-banner.show {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, 0);
}

.cookie-banner-content {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.cookie-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    filter: drop-shadow(2px 4px 6px rgba(0, 0, 0, 0.2));
}

.cookie-text {
    flex: 1;
}

.cookie-text h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.cookie-text p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

.cookie-text a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.cookie-text a:hover {
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.btn-cookie-accept {
    background: linear-gradient(135deg, var(--accent) 0%, #0088CC 100%);
    color: white;
    border: none;
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--clay-btn-out), var(--clay-btn-in);
    transition: var(--transition-bounce);
}

.btn-cookie-accept:hover {
    transform: translateY(-2px);
    box-shadow: var(--clay-btn-out);
}

.btn-cookie-settings {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--grid-lines);
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 500;
    cursor: pointer;
    box-shadow: var(--clay-btn-out), var(--clay-btn-in);
    transition: var(--transition-bounce);
}

.btn-cookie-settings:hover {
    transform: translateY(-2px);
    box-shadow: var(--clay-btn-out);
    color: var(--accent);
}

.btn-cookie-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.btn-cookie-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

@media (max-width: 600px) {
    .cookie-banner-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .cookie-icon {
        display: none;
    }

    .cookie-actions {
        width: 100%;
        flex-direction: column;
    }

    .btn-cookie-accept,
    .btn-cookie-settings {
        width: 100%;
    }
}
/* ===== FAQ & CONCLUSION REDESIGN ===== */
.faq-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.faq-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
    transition: var(--transition-bounce);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--clay-shadow-out);
}

.faq-question {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.4;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.faq-question::before {
    content: " ?\;
 display: inline-flex;
 align-items: center;
 justify-content: center;
 width: 24px;
 height: 24px;
 background: var(--accent);
 color: white;
 border-radius: 50%;
 font-size: 0.8rem;
 flex-shrink: 0;
 margin-top: 2px;
}

.faq-answer {
 color: var(--text-secondary);
 font-size: 0.95rem;
 line-height: 1.7;
}

.conclusion-hero {
 background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
 border-radius: var(--radius-lg);
 padding: 4rem 3rem;
 margin: 4rem 0;
 text-align: center;
 box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
 position: relative;
 overflow: hidden;
}

.conclusion-hero h2 {
 font-size: 2.5rem;
 font-weight: 800;
 margin-bottom: 2rem;
 background: linear-gradient(135deg, var(--block-color) 0%, var(--block-alt) 100%);
 -webkit-background-clip: text;
 -webkit-text-fill-color: transparent;
 background-clip: text;
}

.conclusion-content {
 max-width: 800px;
 margin: 0 auto;
}

.conclusion-content p {
 font-size: 1.15rem;
 color: var(--text-secondary);
 margin-bottom: 2rem;
 line-height: 1.8;
}

.cta-highlight {
 display: inline-block;
 background: linear-gradient(135deg, var(--accent) 0%, #0088CC 100%);
 color: white;
 padding: 1rem 2.5rem;
 border-radius: 50px;
 font-size: 1.2rem;
 font-weight: 700;
 text-decoration: none;
 margin-top: 1rem;
 transition: var(--transition-bounce);
 box-shadow: var(--clay-btn-out), var(--clay-btn-in);
}

.cta-highlight:hover {
 transform: translateY(-3px) scale(1.05);
 box-shadow: var(--clay-btn-out), 0 10px 20px rgba(0, 170, 255, 0.3);
}

/* ===== ADSENSE CONTENT ENHANCEMENTS ===== */
.guides-section {
    margin: 4rem 0;
}

.guides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.guide-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
    transition: var(--transition-bounce);
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.guide-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--clay-shadow-out);
    background: var(--bg-secondary);
}

.guide-card h3 {
    color: var(--accent);
    font-size: 1.25rem;
    font-weight: 700;
}

.guide-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.pro-tips-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 3rem;
    margin: 4rem 0;
    box-shadow: var(--clay-shadow-out), var(--clay-shadow-in);
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.tip-item {
    padding: 1.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    box-shadow: var(--clay-btn-in);
    border-left: 4px solid var(--accent);
}

.tip-item h4 {
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.tip-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}