/* ============================================
   HOLTER IMPLANTABLE PAGE - UNIQUE LAYOUT
   Theme: Modern asymmetric design with diagonal elements
   ============================================ */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    --ht-primary: #8b5cf6;
    --ht-secondary: #06b6d4;
    --ht-accent: #10b981;
    --ht-dark: #0f172a;
    --ht-darker: #060d1f;
    --ht-gradient: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
    --ht-gradient-accent: linear-gradient(135deg, #06b6d4 0%, #10b981 100%);
    --ht-chip: #a78bfa;
    --ht-success: #10b981;
    --ht-warning: #f59e0b;
    --ht-danger: #ef4444;
    --ht-info: #3b82f6;
    --ht-glow: 0 0 30px rgba(139, 92, 246, 0.5);
    --ht-text: #e2e8f0;
    --ht-text-muted: #94a3b8;
}

/* ============================================
   GLOBAL
   ============================================ */
html {
    scroll-behavior: smooth;
}

body.holter-page {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--ht-darker);
    color: var(--ht-text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container-ht {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* ============================================
   SIGNAL BACKGROUND - Diagonal Pattern
   ============================================ */
.signal-background-ht {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.05;
    overflow: hidden;
}

.signal-line-ht {
    position: absolute;
    width: 300%;
    height: 100px;
    top: 50%;
    transform: translateY(-50%);
    animation: signalScrollDiagonal 12s linear infinite;
}

.signal-path-ht {
    fill: none;
    stroke: var(--ht-primary);
    stroke-width: 2;
    stroke-linecap: round;
    filter: drop-shadow(0 0 10px var(--ht-primary));
}

@keyframes signalScrollDiagonal {
    0% { transform: translateY(-50%) translateX(0); }
    100% { transform: translateY(-50%) translateX(-66.66%); }
}

/* ============================================
   FLOATING SIGNAL DOTS - Hexagon Pattern
   ============================================ */
.floating-signals {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.signal-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--ht-primary);
    border-radius: 50%;
    opacity: 0;
    animation: floatHexagon 15s ease-in-out infinite;
    box-shadow: 0 0 15px currentColor;
}

.signal-dot:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; }
.signal-dot:nth-child(2) { left: 80%; top: 60%; animation-delay: 3s; }
.signal-dot:nth-child(3) { left: 50%; top: 80%; animation-delay: 6s; }
.signal-dot:nth-child(4) { left: 20%; top: 70%; animation-delay: 9s; }
.signal-dot:nth-child(5) { left: 90%; top: 30%; animation-delay: 12s; }

@keyframes floatHexagon {
    0%, 100% { opacity: 0; transform: translateY(0) scale(1); }
    10%, 90% { opacity: 0.6; }
    50% { transform: translateY(-100px) scale(1.5); }
}

/* ============================================
   BACK NAVIGATION
   ============================================ */
.back-nav-ht {
    position: fixed;
    top: 30px;
    left: 30px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 50px;
    text-decoration: none;
    color: var(--ht-text);
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: all 0.3s ease;
}

.back-nav-ht:hover {
    transform: translateX(-5px);
    background: rgba(139, 92, 246, 0.2);
    border-color: var(--ht-secondary);
    box-shadow: 0 6px 25px rgba(139, 92, 246, 0.4);
}

.back-nav-ht i {
    transition: transform 0.3s ease;
}

.back-nav-ht:hover i {
    transform: translateX(-3px);
}

/* ============================================
   HERO SECTION - Diagonal Asymmetric Layout
   ============================================ */
.ht-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #060d1f 0%, #0d0a1f 50%, #0f172a 100%);
    overflow: hidden;
    padding: 100px 0 80px;
}

.ht-hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 60%;
    height: 120%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
}

.ht-hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -5%;
    width: 50%;
    height: 80%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
}

.ht-hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, transparent 30%, rgba(139, 92, 246, 0.05) 50%, transparent 70%),
        linear-gradient(-45deg, transparent 40%, rgba(6, 182, 212, 0.03) 60%, transparent 80%);
}

.ht-hero-signals .ht-signal-wave {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    border: 1px solid rgba(139, 92, 246, 0.15);
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    animation: htSignalWaveDiagonal 6s ease-out infinite;
}

.ht-hero-signals .ht-signal-wave:nth-child(2) {
    animation-delay: 2s;
    border-color: rgba(6, 182, 212, 0.12);
    right: 5%;
}
.ht-hero-signals .ht-signal-wave:nth-child(3) {
    animation-delay: 4s;
    right: 15%;
}

@keyframes htSignalWaveDiagonal {
    0% { transform: translateY(-50%) scale(0.5); opacity: 0; }
    50% { opacity: 0.5; }
    100% { transform: translateY(-50%) scale(1.3); opacity: 0; }
}

.ht-hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    max-width: 700px;
}

.ht-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(139, 92, 246, 0.12);
    border: 1px solid rgba(139, 92, 246, 0.3);
    padding: 10px 20px;
    border-radius: 50px;
    color: var(--ht-chip);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    animation: slideInLeft 0.8s ease-out;
}

.ht-hero-badge i {
    animation: chipPulse 2s ease-in-out infinite;
}

@keyframes chipPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.2); filter: drop-shadow(0 0 8px var(--ht-secondary)); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
}

.ht-hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    animation: slideInLeft 1s ease-out 0.2s both;
}

.title-gradient-ht {
    background: var(--ht-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.ht-hero-subtitle {
    font-size: 1.5rem;
    color: var(--ht-secondary);
    font-weight: 600;
    margin-bottom: 15px;
    animation: slideInLeft 1s ease-out 0.4s both;
}

.ht-hero-desc {
    font-size: 1.1rem;
    color: var(--ht-text-muted);
    line-height: 1.8;
    margin-bottom: 40px;
    animation: slideInLeft 1s ease-out 0.6s both;
}

.ht-hero-stats {
    display: flex;
    gap: 40px;
    animation: slideInLeft 1s ease-out 0.8s both;
}

.ht-stat {
    text-align: center;
    position: relative;
}

.ht-stat::before {
    content: '';
    position: absolute;
    inset: -10px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
}

.ht-stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--ht-primary);
    line-height: 1;
}

.ht-stat-suffix {
    display: inline;
    font-size: 1.5rem;
    color: var(--ht-secondary);
}

.ht-stat-label {
    font-size: 0.85rem;
    color: var(--ht-text-muted);
    margin-top: 5px;
}

.ht-hero-right {
    position: absolute;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    animation: floatDevice 6s ease-in-out infinite;
}

@keyframes floatDevice {
    0%, 100% { transform: translateY(-50%) translateX(0); }
    50% { transform: translateY(-50%) translateX(-20px); }
}

.ht-device-visual {
    position: relative;
    width: 300px;
    height: 300px;
}

.ht-scan-rings {
    position: absolute;
    inset: 0;
}

.ht-scan-ring {
    position: absolute;
    inset: 0;
    border: 2px solid rgba(139, 92, 246, 0.3);
    border-radius: 50%;
    animation: scanPulse 3s ease-out infinite;
}

.ht-scan-ring:nth-child(2) { animation-delay: 1s; border-color: rgba(6, 182, 212, 0.3); }
.ht-scan-ring:nth-child(3) { animation-delay: 2s; border-color: rgba(16, 185, 129, 0.3); }

@keyframes scanPulse {
    0% { transform: scale(0.3); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.ht-chip-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 6rem;
    color: var(--ht-primary);
    opacity: 0.25;
    animation: chipRotate 10s ease-in-out infinite;
    filter: drop-shadow(0 0 30px rgba(139, 92, 246, 0.6));
}

@keyframes chipRotate {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

.ht-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.ht-mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(139, 92, 246, 0.5);
    border-radius: 13px;
    position: relative;
    animation: mouseFloat 2s ease-in-out infinite;
}

.ht-mouse-wheel {
    width: 4px;
    height: 8px;
    background: var(--ht-primary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: wheelScroll 1.5s ease-in-out infinite;
}

@keyframes mouseFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes wheelScroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

/* ============================================
   SECTIONS - Zigzag Layout
   ============================================ */
.ht-section {
    padding: 120px 0;
    position: relative;
}

.ht-section:nth-child(even) {
    background: linear-gradient(90deg, transparent 0%, rgba(139, 92, 246, 0.02) 50%, transparent 100%);
}

.ht-section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
}

.ht-section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(139, 92, 246, 0.15);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 50px;
    color: var(--ht-chip);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.ht-section-title {
    font-size: 3rem;
    font-weight: 800;
    background: var(--ht-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
}

.ht-section-desc {
    font-size: 1.2rem;
    color: var(--ht-text-muted);
}

/* ============================================
   EXPLANATION GRID - Hexagon Cards
   ============================================ */
.ht-explanation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.ht-explanation-card {
    position: relative;
    padding: 40px 30px;
    background: rgba(15, 23, 42, 0.6);
    border: 2px solid rgba(139, 92, 246, 0.2);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
}

.ht-explanation-card::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--ht-gradient);
    border-radius: 20px;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.ht-explanation-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--ht-primary);
}

.ht-explanation-card:hover::before {
    opacity: 1;
}

.ht-card-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ht-gradient);
    border-radius: 50%;
    margin-bottom: 20px;
    font-size: 2rem;
    color: white;
    box-shadow: var(--ht-glow);
}

.ht-explanation-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ht-text);
    margin-bottom: 15px;
}

.ht-explanation-card p {
    color: var(--ht-text-muted);
    line-height: 1.7;
}

/* ============================================
   INDICATIONS - Diagonal Layout
   ============================================ */
.ht-indications-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
}

.ht-indication-card {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    align-items: center;
    padding: 50px;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(15, 23, 42, 0.4) 100%);
    border: 2px solid rgba(139, 92, 246, 0.2);
    border-radius: 30px;
    backdrop-filter: blur(15px);
    position: relative;
    overflow: hidden;
    transition: all 0.5s ease;
}

.ht-indication-card:nth-child(even) {
    grid-template-columns: 2fr 1fr;
}

.ht-indication-card:nth-child(even) .ht-indication-visual {
    order: 2;
}

.ht-indication-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    transition: all 0.5s ease;
}

.ht-indication-card:hover {
    transform: translateY(-10px);
    border-color: var(--ht-primary);
    box-shadow: 0 20px 60px rgba(139, 92, 246, 0.3);
}

.ht-indication-card:hover::before {
    transform: rotate(180deg);
}

.ht-indication-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ht-indication-icon-large {
    width: 150px;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ht-gradient);
    border-radius: 50%;
    font-size: 4rem;
    color: white;
    box-shadow: 0 0 50px rgba(139, 92, 246, 0.5);
    animation: iconFloat 4s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(5deg); }
}

.ht-indication-number {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ht-secondary);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    border: 3px solid var(--ht-darker);
}

.ht-indication-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--ht-text);
    margin-bottom: 20px;
}

.ht-indication-content p {
    font-size: 1.1rem;
    color: var(--ht-text-muted);
    line-height: 1.8;
}

/* ============================================
   DEVICE MODELS - Masonry Grid
   ============================================ */
.ht-devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.ht-device-card {
    padding: 35px;
    background: rgba(15, 23, 42, 0.7);
    border: 2px solid rgba(139, 92, 246, 0.2);
    border-radius: 25px;
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.ht-device-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.2), transparent);
    transition: left 0.6s ease;
}

.ht-device-card:hover::before {
    left: 100%;
}

.ht-device-card:hover {
    transform: translateY(-8px);
    border-color: var(--ht-primary);
    box-shadow: 0 15px 40px rgba(139, 92, 246, 0.3);
}

.ht-device-brand {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--ht-chip);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.ht-device-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--ht-text);
    margin-bottom: 25px;
    background: var(--ht-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ht-device-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ht-device-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--ht-text-muted);
    font-size: 0.95rem;
}

.ht-device-feature i {
    color: var(--ht-success);
    font-size: 1.1rem;
}

/* ============================================
   PROCEDURE TIMELINE - Diagonal Flow
   ============================================ */
.ht-timeline {
    position: relative;
    padding: 40px 0;
}

.ht-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, transparent, var(--ht-primary), transparent);
    transform: translateX(-50%);
}

.ht-timeline-item {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 60px;
    animation: timelineFadeIn 0.8s ease-out both;
}

.ht-timeline-item:nth-child(even) .ht-timeline-content {
    grid-column: 1;
    grid-row: 1;
    text-align: right;
}

.ht-timeline-item:nth-child(even) .ht-timeline-marker {
    grid-column: 2;
}

.ht-timeline-item:nth-child(even) .ht-timeline-empty {
    grid-column: 3;
}

@keyframes timelineFadeIn {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.ht-timeline-marker {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ht-gradient);
    border-radius: 50%;
    font-size: 2rem;
    color: white;
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.6);
    position: relative;
    z-index: 2;
    animation: markerPulse 3s ease-in-out infinite;
}

@keyframes markerPulse {
    0%, 100% { box-shadow: 0 0 30px rgba(139, 92, 246, 0.6); }
    50% { box-shadow: 0 0 50px rgba(139, 92, 246, 0.9); transform: scale(1.1); }
}

.ht-timeline-content {
    padding: 30px;
    background: rgba(15, 23, 42, 0.7);
    border: 2px solid rgba(139, 92, 246, 0.2);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.ht-timeline-content h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ht-text);
    margin-bottom: 12px;
}

.ht-timeline-content p {
    color: var(--ht-text-muted);
    line-height: 1.7;
}

.ht-timeline-empty {
    /* Empty space for alternating layout */
}

/* ============================================
   AFTERCARE - Diamond Grid
   ============================================ */
.ht-aftercare-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 35px;
}

.ht-aftercare-card {
    padding: 35px 30px;
    background: rgba(15, 23, 42, 0.7);
    border: 2px solid transparent;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
}

.ht-aftercare-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--ht-gradient);
    opacity: 0;
    border-radius: 20px;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.ht-aftercare-card.good {
    border-color: rgba(16, 185, 129, 0.3);
}

.ht-aftercare-card.info {
    border-color: rgba(6, 182, 212, 0.3);
}

.ht-aftercare-card:hover {
    transform: translateY(-10px);
    border-color: var(--ht-primary);
}

.ht-aftercare-card:hover::before {
    opacity: 0.1;
}

.ht-aftercare-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ht-gradient);
    border-radius: 50%;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: white;
}

.ht-aftercare-card h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--ht-text);
    margin-bottom: 12px;
}

.ht-aftercare-card p {
    color: var(--ht-text-muted);
    line-height: 1.7;
}

/* ============================================
   FOLLOW-UP SECTION
   ============================================ */
.ht-followup {
    background: linear-gradient(180deg, rgba(139, 92, 246, 0.02) 0%, transparent 100%);
}

.ht-followup-timeline {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.ht-followup-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 40px;
    align-items: center;
    padding: 35px 40px;
    background: rgba(15, 23, 42, 0.7);
    border: 2px solid rgba(139, 92, 246, 0.2);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
}

.ht-followup-item::before {
    content: '';
    position: absolute;
    left: 200px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, transparent, var(--ht-primary), transparent);
}

.ht-followup-item:hover {
    transform: translateX(10px);
    border-color: var(--ht-primary);
    box-shadow: 0 10px 40px rgba(139, 92, 246, 0.3);
}

.ht-followup-item.highlight {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.15) 0%, rgba(6, 182, 212, 0.1) 100%);
    border-color: var(--ht-primary);
}

.ht-followup-period {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--ht-primary);
    text-align: center;
    padding: 15px;
    background: rgba(139, 92, 246, 0.1);
    border-radius: 10px;
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.ht-followup-item.highlight .ht-followup-period {
    font-size: 2.5rem;
    background: transparent;
    border: none;
}

.ht-followup-content h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--ht-text);
    margin-bottom: 12px;
}

.ht-followup-content p {
    color: var(--ht-text-muted);
    line-height: 1.8;
    margin-bottom: 15px;
}

.ht-followup-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: var(--ht-gradient);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.ht-followup-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.5);
}

.ht-followup-link i {
    transition: transform 0.3s ease;
}

.ht-followup-link:hover i {
    transform: translateX(5px);
}

/* ============================================
   FAQ - Accordion Style
   ============================================ */
.ht-faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.ht-faq-item {
    margin-bottom: 20px;
    background: rgba(15, 23, 42, 0.6);
    border: 2px solid rgba(139, 92, 246, 0.15);
    border-radius: 15px;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.ht-faq-item:hover {
    border-color: rgba(139, 92, 246, 0.4);
}

.ht-faq-item.active {
    border-color: var(--ht-primary);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.2);
}

.ht-faq-question {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px 30px;
    cursor: pointer;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    color: var(--ht-text);
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.ht-faq-question:hover {
    background: rgba(139, 92, 246, 0.05);
}

.ht-faq-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ht-gradient);
    border-radius: 50%;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.ht-faq-question h4 {
    flex: 1;
    font-size: 1.1rem;
    font-weight: 600;
}

.ht-faq-arrow {
    font-size: 1.2rem;
    color: var(--ht-primary);
    transition: transform 0.3s ease;
}

.ht-faq-item.active .ht-faq-arrow {
    transform: rotate(180deg);
}

.ht-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.5s ease;
    padding: 0 30px;
}

.ht-faq-item.active .ht-faq-answer {
    max-height: 500px;
    padding: 0 30px 25px 100px;
}

.ht-faq-answer p {
    color: var(--ht-text-muted);
    line-height: 1.8;
}

/* ============================================
   CTA SECTION
   ============================================ */
.ht-cta {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(6, 182, 212, 0.05) 100%);
    padding: 100px 0;
}

.ht-cta-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: 60px 50px;
    background: rgba(15, 23, 42, 0.7);
    border: 2px solid rgba(139, 92, 246, 0.3);
    border-radius: 30px;
    backdrop-filter: blur(15px);
    position: relative;
    overflow: hidden;
}

.ht-cta-content::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    animation: rotateCTA 20s linear infinite;
}

@keyframes rotateCTA {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.ht-cta-icon {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ht-gradient);
    border-radius: 50%;
    margin: 0 auto 30px;
    font-size: 3rem;
    color: white;
    box-shadow: 0 0 40px rgba(139, 92, 246, 0.6);
    position: relative;
    z-index: 1;
    animation: iconPulse 3s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.ht-cta-content h2 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--ht-text);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.ht-cta-content p {
    font-size: 1.15rem;
    color: var(--ht-text-muted);
    line-height: 1.8;
    margin-bottom: 35px;
    position: relative;
    z-index: 1;
}

.ht-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 35px;
    background: var(--ht-gradient);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    box-shadow: 0 6px 25px rgba(139, 92, 246, 0.4);
    position: relative;
    z-index: 1;
}

.ht-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(139, 92, 246, 0.6);
}

.ht-cta-btn i {
    transition: transform 0.3s ease;
}

.ht-cta-btn:hover i {
    transform: translateX(-5px);
}

/* ============================================
   FOOTER
   ============================================ */
.ht-footer {
    padding: 60px 0 30px;
    background: linear-gradient(180deg, transparent 0%, rgba(15, 23, 42, 0.5) 100%);
    border-top: 1px solid rgba(139, 92, 246, 0.2);
    text-align: center;
}

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

.ht-footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.ht-footer-link {
    color: var(--ht-text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.ht-footer-link:hover {
    color: var(--ht-primary);
}

.ht-footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.ht-footer-content > p {
    color: var(--ht-text-muted);
    font-size: 0.9rem;
    text-align: center;
}

.ht-footer-webduo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.ht-footer-webduo > span {
    color: var(--ht-text-muted);
    font-size: 0.85rem;
}

.ht-webduo-link {
    display: inline-block;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.ht-webduo-link:hover {
    transform: translateY(-2px);
    opacity: 0.8;
}

.ht-webduo-logo {
    height: 40px;
    width: auto;
    display: block;
}

.ht-footer-text {
    color: var(--ht-text-muted);
    font-size: 0.9rem;
    line-height: 1.8;
}

.webduo-link {
    color: var(--ht-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.webduo-link:hover {
    color: var(--ht-secondary);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .ht-hero-content {
        max-width: 100%;
    }

    .ht-hero-right {
        display: none;
    }

    .ht-hero-title {
        font-size: 3rem;
    }

    .ht-section-title {
        font-size: 2.5rem;
    }

    .ht-indication-card {
        grid-template-columns: 1fr !important;
    }

    .ht-indication-card:nth-child(even) .ht-indication-visual {
        order: 0 !important;
    }

    .ht-timeline::before {
        left: 40px;
        transform: none;
    }

    .ht-timeline-item {
        grid-template-columns: auto 1fr;
        gap: 20px;
    }

    .ht-timeline-item .ht-timeline-content {
        grid-column: 2 !important;
        text-align: left !important;
    }

    .ht-timeline-item .ht-timeline-marker {
        grid-column: 1;
    }

    .ht-timeline-empty {
        display: none;
    }

    .ht-followup-item {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .ht-followup-item::before {
        display: none;
    }

    .ht-followup-period {
        width: fit-content;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .container-ht {
        padding: 0 20px;
    }

    .ht-hero {
        padding: 80px 0 60px;
    }

    .ht-hero-title {
        font-size: 2.5rem;
    }

    .ht-hero-subtitle {
        font-size: 1.2rem;
    }

    .ht-hero-desc {
        font-size: 1rem;
    }

    .ht-hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .ht-section {
        padding: 80px 0;
    }

    .ht-section-title {
        font-size: 2rem;
    }

    .ht-section-desc {
        font-size: 1rem;
    }

    .ht-explanation-grid {
        grid-template-columns: 1fr;
    }

    .ht-indication-card {
        padding: 30px 20px;
    }

    .ht-indication-icon-large {
        width: 100px;
        height: 100px;
        font-size: 3rem;
    }

    .ht-indication-content h3 {
        font-size: 1.5rem;
    }

    .ht-devices-grid {
        grid-template-columns: 1fr;
    }

    .ht-timeline-marker {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .ht-faq-item.active .ht-faq-answer {
        padding: 0 20px 20px 20px;
    }

    .ht-followup-item {
        padding: 25px 20px;
    }

    .ht-followup-content h4 {
        font-size: 1.3rem;
    }

    .ht-followup-content p {
        font-size: 0.95rem;
    }

    .ht-followup-item:hover {
        transform: translateY(-5px);
    }

    .ht-cta-content {
        padding: 40px 30px;
    }

    .ht-cta-content h2 {
        font-size: 1.8rem;
    }

    .ht-cta-content p {
        font-size: 1rem;
    }

    .ht-cta-icon {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
    }

    .back-nav-ht {
        top: 15px;
        left: 15px;
        padding: 10px 16px;
    }

    .back-nav-ht span {
        display: none;
    }
}