/* PLA Landing Page Styles */
/* Brand: Private Medical Concierge — Champagne gold on charcoal */

/* Self-hosted Inter font - no third-party requests */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('fonts/Inter-Regular.woff2') format('woff2');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url('fonts/Inter-Medium.woff2') format('woff2');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('fonts/Inter-SemiBold.woff2') format('woff2');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('fonts/Inter-Bold.woff2') format('woff2');
}

:root {
    --gold: #C9A962;
    --gold-light: #E5D4A1;
    --gold-dark: #A68B4B;
    --charcoal: #1A1A1A;
    --charcoal-light: #2A2A2A;
    --charcoal-lighter: #3A3A3A;
    --white: #FFFFFF;
    --text-primary: #F5F5F5;
    --text-secondary: #A0A0A0;
    --text-muted: #707070;
    --success: #4CAF50;
    --warning: #FFA726;
    --attention: #EF5350;
    --gradient: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--charcoal);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 16px;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

p {
    color: var(--text-secondary);
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient);
    color: var(--charcoal);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(201, 169, 98, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--charcoal-lighter);
}

.btn-secondary:hover {
    border-color: var(--gold);
    color: var(--gold);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(26, 26, 26, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--charcoal-light);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-img {
    height: 36px;
    width: auto;
    border-radius: 8px;
}

.logo-text {
    font-weight: 600;
    font-size: 1.25rem;
    letter-spacing: 0.1em;
    color: var(--gold);
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

/* Hero */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 48px;
    padding: 120px 24px 80px;
    max-width: 1200px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--charcoal-light);
    border: 1px solid var(--charcoal-lighter);
    border-radius: 100px;
    font-size: 0.875rem;
    color: var(--gold);
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin: 24px 0 32px;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-note {
    margin-top: 16px;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Hero Screenshot */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.screenshot-showcase {
    max-width: 320px;
    border-radius: 32px;
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

.hero-screenshot {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 32px;
}

/* Screenshot Gallery */
.screenshots-section {
    padding: 80px 24px;
    background: var(--charcoal-light);
    overflow: hidden;
}

.screenshot-gallery {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    padding: 20px 0;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.screenshot-gallery::-webkit-scrollbar {
    height: 8px;
}

.screenshot-gallery::-webkit-scrollbar-track {
    background: var(--charcoal);
    border-radius: 4px;
}

.screenshot-gallery::-webkit-scrollbar-thumb {
    background: var(--gold-dark);
    border-radius: 4px;
}

.screenshot-item {
    flex: 0 0 auto;
    width: 200px;
    scroll-snap-align: start;
    text-align: center;
}

.screenshot-item img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease;
}

.screenshot-item:hover img {
    transform: scale(1.02);
}

.screenshot-item span {
    display: block;
    margin-top: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Problem Section */
.problem-section {
    padding: 80px 24px;
    background: var(--charcoal-light);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.problem-card {
    padding: 32px;
    background: var(--charcoal);
    border-radius: 16px;
    border: 1px solid var(--charcoal-lighter);
}

.problem-card h3 {
    color: var(--text-primary);
    margin-bottom: 12px;
}

/* Features */
.features-section {
    padding: 100px 24px;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 32px;
    background: var(--charcoal-light);
    border-radius: 16px;
    border: 1px solid var(--charcoal-lighter);
    transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
    border-color: var(--gold-dark);
    transform: translateY(-4px);
}

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: 12px;
}

/* How It Works */
.how-section {
    padding: 100px 24px;
    background: var(--charcoal-light);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.step-card {
    text-align: center;
    padding: 40px 32px;
}

.step-number {
    width: 56px;
    height: 56px;
    background: var(--gradient);
    color: var(--charcoal);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 24px;
}

.step-card h3 {
    color: var(--text-primary);
}

/* Evidence Levels */
.evidence-section {
    padding: 100px 24px;
}

.evidence-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.evidence-card {
    padding: 24px;
    background: var(--charcoal-light);
    border-radius: 12px;
    border-left: 4px solid;
}

.evidence-card.level-1 { border-color: var(--success); }
.evidence-card.level-2 { border-color: #66BB6A; }
.evidence-card.level-3 { border-color: var(--warning); }
.evidence-card.level-4 { border-color: var(--text-muted); }

.evidence-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.level-1 .evidence-badge { background: rgba(76, 175, 80, 0.2); color: var(--success); }
.level-2 .evidence-badge { background: rgba(102, 187, 106, 0.2); color: #66BB6A; }
.level-3 .evidence-badge { background: rgba(255, 167, 38, 0.2); color: var(--warning); }
.level-4 .evidence-badge { background: rgba(112, 112, 112, 0.2); color: var(--text-muted); }

.evidence-card h4 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.evidence-card p {
    font-size: 0.875rem;
}

/* Pricing */
.pricing-section {
    padding: 100px 24px;
    background: var(--charcoal-light);
}

.pricing-card {
    max-width: 480px;
    margin: 0 auto;
    background: var(--charcoal);
    border-radius: 20px;
    border: 1px solid var(--gold-dark);
    padding: 40px;
    text-align: center;
}

.pricing-header {
    margin-bottom: 32px;
}

.pricing-header h3 {
    color: var(--gold);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.price-note {
    color: var(--text-secondary);
    font-size: 1rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 32px;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--charcoal-lighter);
    color: var(--text-primary);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-note {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.pricing-future {
    text-align: center;
    margin-top: 32px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Waitlist */
.waitlist-section {
    padding: 100px 24px;
    background: linear-gradient(180deg, var(--charcoal) 0%, var(--charcoal-light) 100%);
}

.waitlist-content {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.waitlist-content h2 {
    margin-bottom: 16px;
}

.waitlist-content > p {
    margin-bottom: 32px;
}

.waitlist-form {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.waitlist-form input {
    flex: 1;
    padding: 14px 20px;
    border-radius: 8px;
    border: 1px solid var(--charcoal-lighter);
    background: var(--charcoal);
    color: var(--text-primary);
    font-size: 1rem;
}

.waitlist-form input::placeholder {
    color: var(--text-muted);
}

.waitlist-form input:focus {
    outline: none;
    border-color: var(--gold);
}

.waitlist-note {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Footer */
.footer {
    padding: 60px 24px 32px;
    border-top: 1px solid var(--charcoal-lighter);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 32px;
    margin-bottom: 40px;
}

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

.footer-logo-img {
    height: 48px;
    width: auto;
    border-radius: 10px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--charcoal-lighter);
}

.footer-bottom p {
    font-size: 0.875rem;
    margin-bottom: 8px;
}

.disclaimer {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* FAQ Section */
.faq-section {
    padding: 100px 24px;
    background: var(--charcoal);
    position: relative;
}

.faq-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 80px;
    background: linear-gradient(to bottom, transparent, var(--gold-dark));
}

.faq-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-column {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-card {
    background: var(--charcoal-light);
    border-radius: 16px;
    border: 1px solid var(--charcoal-lighter);
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.faq-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gold-dark);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.faq-card:hover {
    border-color: var(--gold-dark);
}

.faq-card:hover::before,
.faq-card[data-open="true"]::before {
    opacity: 1;
}

.faq-card[data-open="true"] {
    border-color: rgba(201, 169, 98, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.faq-trigger {
    width: 100%;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
}

.faq-number {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gold);
    letter-spacing: 0.05em;
    padding-top: 4px;
    opacity: 0.7;
    flex-shrink: 0;
}

.faq-question {
    flex: 1;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
    margin: 0;
    transition: color 0.2s ease;
}

.faq-trigger:hover .faq-question {
    color: var(--gold-light);
}

.faq-icon {
    width: 20px;
    height: 20px;
    position: relative;
    flex-shrink: 0;
    margin-top: 2px;
}

.faq-icon::before,
.faq-icon::after {
    content: '';
    position: absolute;
    background: var(--gold);
    border-radius: 1px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.faq-icon::before {
    width: 12px;
    height: 2px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.faq-icon::after {
    width: 2px;
    height: 12px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.faq-card[data-open="true"] .faq-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
    opacity: 0;
}

.faq-answer {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s ease;
}

.faq-card[data-open="true"] .faq-answer {
    grid-template-rows: 1fr;
}

.faq-answer > p {
    overflow: hidden;
    padding: 0 24px;
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

.faq-card[data-open="true"] .faq-answer > p {
    padding-bottom: 24px;
}

@media (max-width: 768px) {
    .faq-container {
        grid-template-columns: 1fr;
    }

    .faq-section::before {
        display: none;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 100px;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .screenshot-showcase {
        max-width: 260px;
    }
    
    .screenshot-item {
        width: 160px;
    }
    
    .nav-links {
        display: none;
    }
    
    .waitlist-form {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

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

.hero-content, .hero-visual {
    animation: fadeIn 0.8s ease-out forwards;
}

.hero-visual {
    animation-delay: 0.2s;
}