/* ===================================
   Sonarplay Landing Page - Emerald Luxurious Theme
   =================================== */

/* CSS Variables */
:root {
    --bg-dark: #051414;
    --bg-card: #0a1f1f;
    --bg-card-hover: #0f2a2a;
    --emerald-primary: #10b981;
    --emerald-glow: rgba(16, 185, 129, 0.5);
    --emerald-dim: rgba(16, 185, 129, 0.3);
    --teal-accent: #14b8a6;
    --cyan-accent: #06b6d4;
    --mint-accent: #6ee7b7;
    --text-primary: #ffffff;
    --text-secondary: #a0b0b0;
    --text-muted: #6b7b7b;
    --accent-coral: #f43f5e;
    --accent-pink: #ec4899;
    --accent-orange: #f97316;
    --border-color: rgba(16, 185, 129, 0.2);
    --shadow-emerald: 0 0 30px rgba(16, 185, 129, 0.3);
    --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.5);
    --transition-fast: 150ms;
    --transition-normal: 300ms;
    --transition-slow: 500ms;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Animated Background */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg,
        rgba(6, 182, 212, 0.1) 0%,
        rgba(20, 184, 166, 0.05) 50%,
        rgba(16, 185, 129, 0.05) 100%);
    z-index: -2;
    animation: gradientShift 10s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.bg-particles {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(2px 2px at 20px 30px, rgba(16, 185, 129, 0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(20, 184, 166, 0.2), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(6, 182, 212, 0.4), transparent),
        radial-gradient(2px 2px at 130px 80px, rgba(110, 231, 183, 0.2), transparent),
        radial-gradient(1px 1px at 160px 120px, rgba(16, 185, 129, 0.3), transparent);
    background-size: 200px 200px;
    z-index: -1;
    animation: particleFloat 20s linear infinite;
}

@keyframes particleFloat {
    0% { transform: translateY(0); }
    100% { transform: translateY(-200px); }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px 80px;
    text-align: center;
}

/* Badge */
.badge-container {
    margin-bottom: 30px;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 20px;
    background: rgba(244, 63, 94, 0.2);
    border: 1px solid var(--accent-coral);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #fb7185;
}

.badge.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(244, 63, 94, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(244, 63, 94, 0); }
}

/* Headline */
.headline {
    font-size: clamp(28px, 6vw, 56px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.headline-red {
    color: var(--accent-coral);
    display: block;
}

.headline-white {
    color: var(--text-primary);
    display: block;
}

.headline-gold {
    color: var(--emerald-primary);
    display: block;
    text-shadow: 0 0 30px var(--emerald-glow);
    animation: emeraldGlow 2s ease-in-out infinite;
}

@keyframes emeraldGlow {
    0%, 100% { text-shadow: 0 0 30px var(--emerald-glow); }
    50% { text-shadow: 0 0 50px var(--emerald-glow), 0 0 80px var(--emerald-dim); }
}

/* Subheadline */
.subheadline {
    font-size: clamp(16px, 2.5vw, 20px);
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 40px;
    line-height: 1.6;
}

/* Price Display */
.price-display {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.price-display::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent,
        var(--emerald-primary),
        transparent);
}

.price-original {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-muted);
    text-decoration: line-through;
}

.price-divider {
    color: var(--text-muted);
    font-size: 24px;
}

.price-sale {
    font-size: 42px;
    font-weight: 900;
    color: var(--emerald-primary);
    text-shadow: 0 0 20px var(--emerald-glow);
}

.currency {
    font-size: 18px;
    font-weight: 500;
}

.period {
    font-size: 16px;
    font-weight: 400;
    color: var(--text-secondary);
}

.discount-badge {
    position: absolute;
    top: -5px;
    right: 20px;
    background: linear-gradient(135deg, var(--accent-coral), #fb7185);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
    transform: rotate(5deg);
    box-shadow: 0 5px 20px rgba(244, 63, 94, 0.4);
}

/* Countdown */
.countdown-container {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.countdown-label {
    color: var(--text-secondary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.countdown {
    display: flex;
    align-items: center;
    gap: 5px;
}

.countdown-digit {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 15px;
    font-size: 24px;
    font-weight: 700;
    color: var(--emerald-primary);
    min-width: 50px;
    box-shadow: 0 0 20px var(--emerald-dim);
}

.countdown-sep {
    color: var(--text-muted);
    font-size: 20px;
}

/* Scarcity */
.scarcity {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.scarcity-dot {
    width: 10px;
    height: 10px;
    background: var(--accent-coral);
    border-radius: 50%;
    animation: blink 1s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.scarcity strong {
    color: var(--accent-coral);
    font-weight: 700;
}

/* Email Form */
.email-form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    width: 100%;
    max-width: 450px;
    margin-bottom: 30px;
}

.email-input {
    width: 100%;
    padding: 18px 25px;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-primary);
    font-size: 16px;
    transition: all var(--transition-normal);
    outline: none;
}

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

.email-input:focus {
    border-color: var(--emerald-primary);
    box-shadow: 0 0 30px var(--emerald-dim);
}

.email-input:valid {
    border-color: var(--emerald-dim);
}

/* CTA Button */
.cta-button {
    position: relative;
    width: 100%;
    padding: 18px 40px;
    background: linear-gradient(135deg, var(--emerald-primary), var(--teal-accent));
    border: none;
    border-radius: 50px;
    color: var(--bg-dark);
    font-size: 18px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px var(--emerald-glow);
}

.cta-button:active {
    transform: translateY(0);
}

.cta-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.3), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.cta-button:hover .cta-glow {
    opacity: 1;
    animation: btnGlow 1.5s ease-in-out infinite;
}

@keyframes btnGlow {
    0%, 100% { transform: translate(-30%, -30%); }
    50% { transform: translate(30%, 30%); }
}

/* Trust Badges */
.trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.trust-icon {
    width: 20px;
    height: 20px;
    color: var(--emerald-primary);
}

/* ===================================
   BOOKS SECTION
   =================================== */
.books-section {
    padding: 80px 20px;
    text-align: center;
}

.section-title {
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 50px;
}

/* Books Grid */
.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

/* Book Card */
.book-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 30px 20px;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.book-card:hover {
    transform: translateY(-10px);
    border-color: var(--emerald-primary);
    box-shadow: var(--shadow-emerald);
}

.book-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 200px;
    background: radial-gradient(ellipse, var(--emerald-dim), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.book-card:hover .book-glow {
    opacity: 1;
}

/* Book Cover */
.book-cover-wrapper {
    position: relative;
    width: 150px;
    height: 220px;
    margin: 0 auto 20px;
}

.book-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transition: transform var(--transition-normal);
}

.book-card:hover .book-cover {
    transform: scale(1.05);
}

/* Lock Icon on Book */
.book-lock {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    background: rgba(0,0,0,0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--emerald-primary);
    border: 1px solid var(--border-color);
}

.book-lock svg {
    width: 16px;
    height: 16px;
}

/* Book Info */
.book-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.book-author {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.book-teaser {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 20px;
}

.book-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--emerald-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.book-cta:hover {
    background: var(--emerald-dim);
    border-color: var(--emerald-primary);
}

.book-cta svg {
    width: 16px;
    height: 16px;
}

.unlock-hint {
    color: var(--text-muted);
    font-size: 14px;
    font-style: italic;
}

/* ===================================
   KNOWLEDGE SECTION
   =================================== */
.knowledge-section {
    padding: 60px 20px;
}

.knowledge-card {
    max-width: 600px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--bg-card), #0f2a2a);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.knowledge-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,
        var(--accent-pink),
        var(--emerald-primary),
        var(--accent-coral));
}

.knowledge-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: var(--emerald-dim);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.knowledge-icon svg {
    width: 28px;
    height: 28px;
    color: var(--emerald-primary);
}

.knowledge-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.knowledge-text {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 25px;
}

.knowledge-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: transparent;
    border: 1px solid var(--emerald-primary);
    border-radius: 50px;
    color: var(--emerald-primary);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.knowledge-cta:hover {
    background: var(--emerald-dim);
    transform: translateX(5px);
}

.knowledge-cta svg {
    width: 20px;
    height: 20px;
}

/* ===================================
   ACTIVITY FEED
   =================================== */
.activity-section {
    padding: 40px 20px;
}

.activity-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.activity-dot {
    width: 8px;
    height: 8px;
    background: var(--emerald-primary);
    border-radius: 50%;
}

.activity-feed {
    max-width: 400px;
    margin: 0 auto;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    background: var(--bg-card);
    border-radius: 10px;
    margin-bottom: 8px;
    animation: slideIn 0.3s ease-out;
}

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

.activity-avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--cyan-accent), var(--teal-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.activity-text {
    flex: 1;
    font-size: 14px;
    color: var(--text-secondary);
}

.activity-time {
    font-size: 12px;
    color: var(--text-muted);
}

/* ===================================
   SOCIAL PROOF
   =================================== */
.social-proof {
    padding: 60px 20px;
    text-align: center;
}

.proof-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 900;
    color: var(--emerald-primary);
    text-shadow: 0 0 20px var(--emerald-dim);
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Testimonial */
.testimonial {
    max-width: 500px;
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
}

.testimonial-stars {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-bottom: 20px;
}

.testimonial-stars svg {
    width: 20px;
    height: 20px;
    color: var(--emerald-primary);
}

.testimonial-text {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-style: italic;
}

.testimonial-author {
    color: var(--emerald-primary);
    font-weight: 600;
}

/* ===================================
   FINAL CTA
   =================================== */
.final-cta {
    padding: 80px 20px;
    text-align: center;
}

.final-title {
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 700;
    margin-bottom: 15px;
}

.final-subtitle {
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.final-form {
    max-width: 450px;
    margin: 0 auto;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    padding: 40px 20px;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--emerald-primary);
    margin-bottom: 10px;
}

.footer-tagline {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-fast);
}

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

.footer-links span {
    color: var(--text-muted);
}

.footer-disclaimer {
    color: var(--text-muted);
    font-size: 11px;
    margin-bottom: 10px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.footer-copy {
    color: var(--text-muted);
    font-size: 12px;
}

/* ===================================
   MODALS
   =================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    padding: 0;
}

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

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    width: 90vw;
    max-width: 1200px;
    max-height: 95vh;
    overflow: auto;
    position: relative;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: rgba(255,255,255,0.2);
    color: var(--text-primary);
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-header {
    padding: 30px 30px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.modal-header h3 {
    font-size: 24px;
    font-weight: 700;
}

.modal-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.modal-body {
    padding: 30px;
}

/* Payment Iframe */
#paymentFrame {
    width: 100%;
    height: 70vh;
    border: none;
    border-radius: 10px;
}

/* Book Modal */
.book-modal-content,
.knowledge-modal-content {
    background: linear-gradient(135deg, var(--bg-card), #0f2a2a);
}

.locked-content {
    text-align: center;
}

.lock-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--emerald-dim);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lock-icon svg {
    width: 40px;
    height: 40px;
    color: var(--emerald-primary);
}

#bookModalText {
    color: var(--text-secondary);
    margin-bottom: 25px;
    line-height: 1.7;
}

/* Knowledge Modal */
.knowledge-reveal {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 16px;
}

.knowledge-reveal strong {
    color: var(--emerald-primary);
}

.knowledge-note {
    color: var(--text-muted);
    font-size: 14px;
    font-style: italic;
    margin-bottom: 25px;
}

/* Unlock Button */
.unlock-btn {
    width: 100%;
    padding: 15px 30px;
    background: linear-gradient(135deg, var(--emerald-primary), var(--teal-accent));
    border: none;
    border-radius: 50px;
    color: var(--bg-dark);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.unlock-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 10px 30px var(--emerald-glow);
}

/* Success Modal */
.success-modal-content {
    background: linear-gradient(135deg, var(--bg-card), #0f2a2a);
    text-align: center;
    padding: 50px 40px;
}

.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: rgba(16, 185, 129, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.success-icon svg {
    width: 40px;
    height: 40px;
    color: var(--emerald-primary);
}

.success-modal-content h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.success-modal-content p {
    color: var(--text-secondary);
    margin-bottom: 25px;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 768px) {
    .hero {
        padding: 40px 20px 60px;
    }

    .price-display {
        flex-direction: column;
        gap: 10px;
        padding: 20px;
    }

    .discount-badge {
        position: relative;
        top: 0;
        right: 0;
        transform: none;
        align-self: center;
    }

    .countdown-digit {
        min-width: 40px;
        padding: 8px 12px;
        font-size: 20px;
    }

    .proof-stats {
        gap: 30px;
    }

    .stat-number {
        font-size: 28px;
    }

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

    .modal-content {
        max-width: 100vw;
        height: 100vh;
        max-height: 100vh;
        border-radius: 0;
        margin: 0;
    }

    #paymentFrame {
        height: 60vh;
    }
}

@media (max-width: 480px) {
    .headline {
        font-size: 24px;
    }

    .price-sale {
        font-size: 32px;
    }

    .email-input {
        padding: 15px 20px;
    }

    .cta-button {
        padding: 15px 30px;
        font-size: 16px;
    }
}

/* ===================================
   REDUCED MOTION
   =================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===================================
   ACCESSIBILITY
   =================================== */
*:focus-visible {
    outline: 2px solid var(--emerald-primary);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--emerald-primary);
    outline-offset: 2px;
}

/* Skip Link (for screen readers) */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--emerald-primary);
    color: var(--bg-dark);
    padding: 8px 16px;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}