/* Core Variables */
:root {
    --primary: #4361EE;
    --primary-dark: #2945c8;
    --primary-darker: #1f37a8;
    --primary-light: #6b83f1;
    --primary-lighter: #94a5f4;
    --secondary: #7209B7;
    --secondary-dark: #560BAD;
    --accent: #F72585;
    --accent-dark: #B5179E;
    --text-primary: #1F2937;
    --text-secondary: #4B5563;
    --text-light: #9CA3AF;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-accent: #F3F4F6;
    --bg-dark: #111827;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.5rem;
    --transition-all: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
}

/* Header Placeholder */
#header-placeholder {
    height: 64px;
}

/* Tool Hero Section */
.tool-hero {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.1) 0%, rgba(41, 69, 200, 0.1) 100%);
    position: relative;
    overflow: hidden;
}

.tool-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><rect width="1" height="1" fill="%234361EE" opacity="0.1"/></svg>');
    opacity: 0.5;
    animation: patternMove 20s linear infinite;
}

.tool-hero__container {
    max-width: 1280px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.tool-hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.tool-hero__left {
    animation: fadeInUp 1s ease-out;
}

.tool-hero__right {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeInUp 1s ease-out;
}

.tool-hero__title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    line-height: 1.2;
}

.tool-hero__description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.tool-hero__features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.tool-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.tool-feature i {
    color: var(--primary);
    font-size: 1.25rem;
}

.tool-hero__cta {
    display: flex;
    gap: 1rem;
}

.tool-button {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-all);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.tool-button--primary {
    background: var(--primary);
    color: white;
}

.tool-button--primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.tool-button--secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.tool-button--secondary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* Blog Section */
.tool-blog {
    padding: 4rem 2rem;
    background: var(--bg-secondary);
}

.tool-blog__container {
    max-width: 1280px;
    margin: 0 auto;
}

.tool-blog__header {
    text-align: center;
    margin-bottom: 3rem;
}

.tool-blog__title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.tool-blog__subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
}

.blog-content {
    background: white;
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-md);
    margin-top: 2rem;
}

.blog-section {
    margin-bottom: 3rem;
}

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

.blog-section__title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.blog-section__title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
}

.blog-section__content {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.blog-section__content p {
    margin-bottom: 1.5rem;
}

.blog-section__content ul {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.blog-section__content li {
    margin-bottom: 0.75rem;
}

.blog-section__content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.blog-section__content a {
    color: var(--primary);
    text-decoration: none;
    border-bottom: 2px solid var(--primary-light);
    transition: var(--transition-all);
}

.blog-section__content a:hover {
    color: var(--primary-dark);
    border-bottom-color: var(--primary-dark);
}

/* Footer Placeholder */
#footer-placeholder {
    min-height: 400px;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes patternMove {
    from {
        background-position: 0 0;
    }
    to {
        background-position: 100px 100px;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .tool-hero__content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .tool-hero__right {
        order: -1;
    }
}

@media (max-width: 768px) {
    .tool-hero {
        padding: 3rem 1rem;
    }

    .tool-hero__title {
        font-size: 2.5rem;
    }

    .tool-hero__features {
        grid-template-columns: 1fr;
    }

    .tool-blog {
        padding: 3rem 1rem;
    }

    .blog-content {
        padding: 2rem;
    }

    .blog-section__title {
        font-size: 1.75rem;
    }

    .blog-section__content {
        font-size: 1rem;
    }
}
/* End of Blog Section */
/* Tool Display Section */
.tool-display {
    padding: 4rem 2rem;
    background: var(--bg-primary);
    position: relative;
}

.tool-display__container {
    max-width: 1280px;
    margin: 0 auto;
}

.tool-display__wrapper {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.tool-display__wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
}

.tool-display__header {
    margin-bottom: 2rem;
    text-align: center;
}

.tool-display__title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.tool-display__description {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.tool-display__content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.tool-display__input-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 1.5rem;
}

.tool-display__output-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    min-height: 200px;
}

.tool-display__controls {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.tool-display__button {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition-all);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary);
    color: white;
}

.tool-display__button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.tool-display__button--secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.tool-display__button--secondary:hover {
    background: var(--primary);
    color: white;
}

/* Primary variant for tool display buttons (used by Copy button) */
.tool-display__button--primary {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition-all);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary);
    color: white;
}

.tool-display__button--primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.tool-display__input-group {
    margin-bottom: 1rem;
}

.tool-display__label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.tool-display__input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--bg-accent);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition-all);
}

.tool-display__input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-lighter);
}

.tool-display__textarea {
    width: 100%;
    min-height: 150px;
    padding: 0.75rem;
    border: 2px solid var(--bg-accent);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition-all);
    resize: vertical;
}

.tool-display__textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-lighter);
}

.tool-display__file-upload {
    position: relative;
    display: inline-block;
    width: 100%;
}

.tool-display__file-input {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.tool-display__file-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--bg-accent);
    border: 2px dashed var(--primary-light);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: var(--transition-all);
}

.tool-display__file-label:hover {
    background: var(--primary-lighter);
    border-color: var(--primary);
}

.tool-display__file-label i {
    font-size: 1.25rem;
    color: var(--primary);
}

.tool-display__result {
    margin-top: 1rem;
    padding: 1rem;
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--bg-accent);
}

@media (max-width: 768px) {
    .tool-display {
        padding: 2rem 1rem;
    }

    .tool-display__wrapper {
        padding: 1.5rem;
    }

    .tool-display__title {
        font-size: 1.5rem;
    }

    .tool-display__controls {
        flex-direction: column;
    }

    .tool-display__button {
        width: 100%;
        justify-content: center;
    }
}
/* End of Tool Display Section */
/* Responsive Design */
@media (max-width: 768px) {
    /* Make hero CTA buttons mobile-friendly */
    .tool-hero__cta {
        flex-direction: column;
    }

    .tool-button {
        width: 100%;
        justify-content: center;
    }

    .faq-section {
        padding: 3rem 0;
    }

    .faq-title {
        font-size: 2rem;
    }

    .faq-subtitle {
        font-size: 1rem;
    }

    .faq-question {
        padding: 1.25rem;
        font-size: 0.95rem;
    }

    .faq-answer {
        font-size: 0.95rem;
    }
}

/* Hero Image Stack */

.hero-image-stack {
position: relative;
width: fit-content;
max-width: 100%;
}

.hero-image-stack img {
box-shadow: var(--shadow-md);
border-radius: var(--radius-lg);
transition: transform 0.3s;
}

.hero-image-stack img:hover {
border: 2px solid transparent;
border-radius: var(--radius-lg);
background-image: 
linear-gradient(#fff, #fff), 
linear-gradient(120deg, #6C00FF, #C200FB, #6C00FF);
background-origin: border-box;
background-clip: content-box, border-box;
background-size: 200% 200%;
animation: borderMove 2s linear infinite;
transform: scale(1.03);
}

@keyframes borderMove {
0% {
background-position: 0% 50%;
}
100% {
background-position: 200% 50%;
}
}


/* Main custom image styling */
.hero-image-custom {
width: 100%;
max-width: 560px;
object-fit: contain;
object-position: center;
border-radius: var(--radius-lg, 12px);
box-shadow: var(--shadow-md, 0 4px 12px rgba(0, 0, 0, 0.1));
display: block;
}

/* Responsive override */
@media (max-width: 600px) {
.hero-image-custom {
max-width: 90vw;
}
}

/* Extra small devices refinements */
@media (max-width: 400px) {
    .tool-hero__title {
        font-size: 2rem;
    }

    .tool-hero__description {
        font-size: 1rem;
    }

    .case-converter-buttons {
        gap: 12px;
    }

    .case-converter-textarea {
        font-size: 0.95rem;
    }
}

/* Global mobile refinements for embedded widgets/charts and tight input clusters */
@media (max-width: 600px) {
    /* Ensure all canvases are fluid on small screens */
    canvas {
        max-width: 100% !important;
        height: auto !important;
    }

    /* Time calculator pace fields: avoid cramped fixed widths */
    #pace-hours,
    #pace-minutes,
    #pace-seconds {
        width: 100% !important;
        max-width: 100% !important;
    }
}

/* Header Styles */
#header-placeholder {
    min-height: 130px;
    position: relative; 
    z-index: 2000;      
}
@media (max-width: 768px) {
    #header-placeholder {
        min-height: 64px;
    }
}

/* End of Hero Image Stack */

/* Primary button style (used by Copy button) */
.tool-display__button--primary {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition-all);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary);
    color: white;
}
.tool-display__button--primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Extra-small screens refinements */
@media (max-width: 400px) {
    .tool-hero__title { font-size: 2rem; }
    .tool-hero__description { font-size: 1rem; }
    .case-converter-buttons { gap: 12px; }
    .case-converter-textarea { font-size: 0.95rem; }
}