/* ============================================
   Chicago Laser Scar Institute
   Premium Medical Institute Aesthetic
   ============================================ */

/* CSS Variables */
:root {
    /* Primary Color Palette - Medical/Trustworthy */
    --primary-900: #0c2d48;
    --primary-800: #145374;
    --primary-700: #1a6f9a;
    --primary-600: #2185b4;
    --primary-500: #2e9bc7;
    --primary-400: #5bb5d5;
    --primary-300: #8ccde3;
    --primary-200: #bde4f1;
    --primary-100: #e6f4fa;
    --primary-50: #f3fafe;

    /* Accent - Healing/Trust Teal */
    --accent-600: #0d7377;
    --accent-500: #14919b;
    --accent-400: #3fb8b8;
    --accent-300: #7dd3d3;
    --accent-200: #b8e8e8;
    --accent-100: #e0f5f5;

    /* Neutrals */
    --neutral-900: #1a1a2e;
    --neutral-800: #2d2d44;
    --neutral-700: #404058;
    --neutral-600: #56566d;
    --neutral-500: #6e6e85;
    --neutral-400: #9090a3;
    --neutral-300: #b4b4c2;
    --neutral-200: #d8d8e0;
    --neutral-100: #ececf1;
    --neutral-50: #f8f9fc;

    /* Semantic */
    --white: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

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

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(46, 155, 199, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Layout */
    --container-max: 1200px;
    --nav-height: 80px;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--neutral-800);
    background: var(--white);
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

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

ul, ol {
    list-style: none;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--neutral-900);
}

.section-eyebrow {
    font-family: var(--font-primary);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--primary-600);
    margin-bottom: var(--space-md);
}

.section-headline {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--space-lg);
}

.section-subhead {
    font-size: 1.125rem;
    color: var(--neutral-600);
    max-width: 600px;
}

/* ============================================
   Layout
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

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

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

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(33, 133, 180, 0.35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    box-shadow: 0 6px 20px rgba(33, 133, 180, 0.45);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-lg {
    padding: 1rem 2.25rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--neutral-100);
    transition: all var(--transition-base);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    height: var(--nav-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary-800);
}

.nav-logo-icon {
    width: 32px;
    height: 32px;
    color: var(--primary-600);
}

.nav-logo-icon svg {
    width: 100%;
    height: 100%;
}

.nav-cta {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--nav-height) + var(--space-3xl)) var(--space-lg) var(--space-3xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(46, 155, 199, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(20, 145, 155, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, var(--primary-900) 0%, var(--primary-800) 50%, var(--primary-700) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    text-align: center;
    color: var(--white);
}

.hero-eyebrow {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--primary-300);
    margin-bottom: var(--space-lg);
}

.hero-headline {
    font-size: clamp(2.25rem, 6vw, 3.75rem);
    font-weight: 600;
    line-height: 1.15;
    color: var(--white);
    margin-bottom: var(--space-xl);
}

.hero-subhead {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--primary-200);
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-xl);
}

.hero-trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--primary-200);
}

.hero-trust-item svg {
    width: 18px;
    height: 18px;
    color: var(--accent-400);
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--primary-300);
    animation: bounce 2s infinite;
}

.hero-scroll svg {
    width: 24px;
    height: 24px;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ============================================
   Problem Section
   ============================================ */
.problem {
    padding: var(--space-4xl) 0;
    background: var(--neutral-50);
}

.problem-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.problem-text {
    font-size: 1.125rem;
    color: var(--neutral-700);
    line-height: 1.8;
    margin-bottom: var(--space-2xl);
}

.problem-causes {
    margin-bottom: var(--space-2xl);
}

.problem-causes-title {
    font-weight: 600;
    color: var(--neutral-800);
    margin-bottom: var(--space-lg);
}

.problem-causes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-md);
}

.cause-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--neutral-100);
    transition: all var(--transition-base);
}

.cause-item:hover {
    border-color: var(--primary-200);
    box-shadow: var(--shadow-md);
}

.cause-icon {
    width: 40px;
    height: 40px;
    color: var(--primary-500);
}

.cause-icon svg {
    width: 100%;
    height: 100%;
}

.cause-item span {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--neutral-700);
}

.problem-closing {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--primary-700);
}

/* ============================================
   Solution Section
   ============================================ */
.solution {
    padding: var(--space-4xl) 0;
    background: var(--white);
}

.solution-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

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

.solution-text {
    font-size: 1.0625rem;
    color: var(--neutral-600);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.solution-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.solution-benefits li {
    display: flex;
    gap: var(--space-md);
}

.solution-benefits svg {
    width: 24px;
    height: 24px;
    color: var(--accent-500);
    flex-shrink: 0;
    margin-top: 2px;
}

.solution-benefits strong {
    display: block;
    color: var(--neutral-800);
    margin-bottom: 2px;
}

.solution-benefits span {
    font-size: 0.9375rem;
    color: var(--neutral-600);
}

.solution-visual {
    display: flex;
    justify-content: center;
}

.solution-card {
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--accent-100) 100%);
    border: 1px solid var(--primary-100);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    max-width: 400px;
}

.solution-card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    color: var(--primary-600);
}

.solution-card-icon svg {
    width: 100%;
    height: 100%;
}

.solution-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.solution-card p {
    font-size: 0.9375rem;
    color: var(--neutral-600);
}

/* ============================================
   Results Section
   ============================================ */
.results {
    padding: var(--space-4xl) 0;
    background: var(--neutral-50);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.result-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.result-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.result-image {
    position: relative;
    aspect-ratio: 1;
}

.result-label {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    background: var(--white);
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--neutral-700);
    z-index: 1;
}

.result-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    background: var(--neutral-100);
    color: var(--neutral-400);
}

.result-placeholder svg {
    width: 32px;
    height: 32px;
}

.result-placeholder span {
    font-size: 0.75rem;
}

.result-before {
    border-right: 1px solid var(--neutral-200);
}

.result-caption {
    padding: var(--space-md);
    text-align: center;
    font-size: 0.8125rem;
    color: var(--neutral-500);
    font-style: italic;
}

.results-note {
    text-align: center;
    font-size: 0.9375rem;
    color: var(--neutral-500);
}

/* ============================================
   About Section
   ============================================ */
.about {
    padding: var(--space-4xl) 0;
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

@media (min-width: 900px) {
    .about-grid {
        grid-template-columns: 1.2fr 0.8fr;
    }
}

.about-text {
    font-size: 1.0625rem;
    color: var(--neutral-600);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.credentials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.credential {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--neutral-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--neutral-100);
}

.credential-icon {
    width: 40px;
    height: 40px;
    color: var(--primary-500);
    flex-shrink: 0;
}

.credential-icon svg {
    width: 100%;
    height: 100%;
}

.credential-text strong {
    display: block;
    font-size: 0.9375rem;
    color: var(--neutral-800);
    margin-bottom: 2px;
}

.credential-text span {
    font-size: 0.8125rem;
    color: var(--neutral-500);
}

.about-visual {
    display: flex;
    justify-content: center;
}

.about-card {
    background: linear-gradient(135deg, var(--primary-800) 0%, var(--primary-900) 100%);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    max-width: 400px;
    box-shadow: var(--shadow-xl);
}

.about-card-content blockquote {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-style: italic;
    color: var(--white);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.about-card-attribution {
    font-size: 0.875rem;
    color: var(--primary-300);
}

/* Team Cards */
.about-visual {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.team-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--neutral-100);
}

.team-photo {
    width: 100%;
    aspect-ratio: 4/5;
    overflow: hidden;
}

.team-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.team-info {
    padding: var(--space-xl);
    text-align: center;
}

.team-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--neutral-900);
    margin-bottom: 4px;
}

.team-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.team-bio {
    font-size: 0.875rem;
    color: var(--neutral-600);
    line-height: 1.6;
}

@media (min-width: 900px) {
    .team-card {
        max-width: 400px;
    }
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    padding: var(--space-4xl) 0;
    background: linear-gradient(180deg, var(--neutral-50) 0%, var(--primary-50) 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

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

.contact-text {
    font-size: 1.0625rem;
    color: var(--neutral-600);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.contact-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.contact-benefit {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    color: var(--neutral-700);
}

.contact-benefit svg {
    width: 20px;
    height: 20px;
    color: var(--accent-500);
}

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

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

.contact-info-item svg {
    width: 24px;
    height: 24px;
    color: var(--primary-500);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-info-item strong {
    display: block;
    font-size: 0.8125rem;
    color: var(--neutral-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

.contact-info-item span,
.contact-info-item a {
    font-size: 1rem;
    color: var(--neutral-800);
}

.contact-info-item a:hover {
    color: var(--primary-600);
}

/* Contact Form */
.contact-form-wrap {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--neutral-100);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--neutral-700);
}

.required {
    color: var(--error);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--neutral-800);
    background: var(--neutral-50);
    border: 1px solid var(--neutral-200);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-400);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(46, 155, 199, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--neutral-400);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-privacy {
    font-size: 0.75rem;
    color: var(--neutral-500);
    text-align: center;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--primary-800) 0%, var(--primary-900) 100%);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--white);
    margin-bottom: var(--space-md);
}

.cta-content p {
    font-size: 1.125rem;
    color: var(--primary-200);
    margin-bottom: var(--space-xl);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    background: var(--neutral-900);
    color: var(--neutral-300);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--neutral-800);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--white);
    display: block;
    margin-bottom: var(--space-sm);
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--neutral-400);
}

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

.footer-links a {
    font-size: 0.875rem;
    color: var(--neutral-400);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-contact p {
    font-size: 0.875rem;
    margin-bottom: var(--space-xs);
}

.footer-contact strong {
    color: var(--white);
}

.footer-contact a {
    color: var(--primary-400);
}

.footer-contact a:hover {
    color: var(--primary-300);
}

.footer-bottom {
    padding-top: var(--space-xl);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--neutral-500);
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 768px) {
    :root {
        --nav-height: 70px;
    }

    .nav-logo-text {
        font-size: 0.9375rem;
    }

    .hero {
        padding-top: calc(var(--nav-height) + var(--space-2xl));
        min-height: auto;
        padding-bottom: var(--space-3xl);
    }

    .hero-headline {
        font-size: 2rem;
    }

    .hero-trust {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }

    .hero-scroll {
        display: none;
    }

    .problem-causes-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .solution-grid,
    .about-grid,
    .contact-grid {
        gap: var(--space-2xl);
    }

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

@media (max-width: 480px) {
    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }

    .hero-ctas .btn {
        width: 100%;
    }

    .problem-causes-grid {
        grid-template-columns: 1fr 1fr;
    }

    .cause-item {
        padding: var(--space-md);
    }

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

/* ============================================
   Form States
   ============================================ */
.contact-form.submitting button[type="submit"] {
    opacity: 0.7;
    cursor: not-allowed;
}

.contact-form.submitted {
    display: none;
}

.form-success {
    text-align: center;
    padding: var(--space-2xl);
}

.form-success svg {
    width: 64px;
    height: 64px;
    color: var(--success);
    margin-bottom: var(--space-lg);
}

.form-success h3 {
    margin-bottom: var(--space-md);
}

.form-success p {
    color: var(--neutral-600);
}

/* ============================================
   Utility Classes
   ============================================ */
.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;
}

/* ============================================
   Section Fade-In Animation
   ============================================ */
section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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



/* ============================================
   Results Section - Image Support Extensions
   ============================================ */

/* Support for actual images */
.result-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Hide placeholder when image is present (browser-compatible) */
.result-image.has-image .result-placeholder {
    display: none;
}

/* Flexible aspect ratios */
.result-image.aspect-auto {
    aspect-ratio: auto;
}

.result-image.aspect-16-9 {
    aspect-ratio: 16/9;
}

.result-image.aspect-2-1 {
    aspect-ratio: 2/1;
}

.result-image.aspect-3-2 {
    aspect-ratio: 3/2;
}

/* Featured full-width card */
.result-card.featured {
    grid-column: 1 / -1;
}

.result-card.featured .result-images {
    grid-template-columns: 1fr;
}

.result-card.featured .result-image {
    aspect-ratio: auto;
    max-height: 500px;
}

.result-card.featured .result-image img {
    object-fit: contain;
    height: auto;
    max-height: 500px;
    margin: 0 auto;
}

/* Single image display (for pre-composed before/after images) */
.result-images.single {
    grid-template-columns: 1fr;
}

.result-images.single .result-image {
    aspect-ratio: auto;
}

/* 3-panel progression layout */
.result-images.three-panel {
    grid-template-columns: 1fr 1fr 1fr;
}

/* Portrait/tall image handling */
.result-card.portrait {
    max-width: 400px;
    margin: 0 auto;
}

.result-card.portrait .result-images {
    grid-template-columns: 1fr;
}

.result-card.portrait .result-image {
    aspect-ratio: auto;
    max-height: 600px;
}

.result-card.portrait .result-image img {
    object-fit: contain;
    height: auto;
}

/* Responsive adjustments for image layouts */
@media (max-width: 768px) {
    .result-images.three-panel {
        grid-template-columns: 1fr;
    }

    .result-card.featured .result-image {
        max-height: 350px;
    }

    .result-card.featured .result-image img {
        max-height: 350px;
    }
}