/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
    /* Colors */
    --bg-dark: #090d16;
    --bg-card: rgba(30, 41, 59, 0.45);
    --bg-card-hover: rgba(30, 41, 59, 0.65);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-hover: rgba(255, 255, 255, 0.15);
    
    --primary: #8b5cf6; /* Violet */
    --primary-glow: rgba(139, 92, 246, 0.4);
    --secondary: #ec4899; /* Pink */
    --secondary-glow: rgba(236, 72, 153, 0.4);
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dark: #0f172a;
    
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.3);
    --warning: #f59e0b;
    
    /* Gradients */
    --grad-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --grad-dark: linear-gradient(180deg, #090d16 0%, #0f172a 100%);
    --grad-card: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
    
    /* Typography */
    --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Layout */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
}

/* ==========================================================================
   RESET & GLOBAL STYLES
   ========================================================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-dark);
    background-image: var(--grad-dark);
    color: var(--text-main);
    font-family: var(--font-family);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 100px 0;
    position: relative;
}

/* Typography elements */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-main);
    letter-spacing: -0.02em;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* ==========================================================================
   REUSABLE UTILITIES & COMPONENTS
   ========================================================================== */
.text-gradient {
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glassmorphism Panel */
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.glass-panel:hover {
    border-color: var(--border-color-hover);
    background: var(--bg-card-hover);
}

/* Custom Highlight Border Glow */
.highlight-border {
    border: 1px solid rgba(139, 92, 246, 0.3);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.15);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.05rem;
}

.btn-md {
    padding: 12px 24px;
    font-size: 0.95rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.btn-primary {
    background: var(--grad-primary);
    color: var(--text-main);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(236, 72, 153, 0.5);
}

.btn-glow {
    position: relative;
    overflow: hidden;
}

.btn-glow::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 70%);
    transform: scale(0);
    transition: transform 0.5s ease-out;
    pointer-events: none;
}

.btn-glow:hover::after {
    transform: scale(1);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-color-hover);
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    box-shadow: 0 4px 12px var(--primary-glow);
    transform: translateY(-2px);
}

.w-100 {
    width: 100%;
}

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

/* Badges */
.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(139, 92, 246, 0.15);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    color: #a78bfa;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 24px;
}

/* Lucide Icon Style Helper Classes */
.icon-inline {
    width: 16px;
    height: 16px;
    display: inline-block;
    vertical-align: -3px;
    margin-right: 4px;
}

.text-purple { color: #a78bfa; }
.text-yellow { color: #f59e0b; }
.text-emerald { color: #10b981; }
.text-pink { color: #ec4899; }
.text-violet { color: #8b5cf6; }

/* Animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.animate-float {
    animation: float 5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.85; transform: scale(1.02); }
}

.animate-pulse {
    animation: pulse 3s infinite ease-in-out;
}

.section-header {
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

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

/* ==========================================================================
   HEADER / NAVBAR
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(9, 13, 22, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.logo {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.logo-accent {
    background: var(--grad-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-right: 2px;
}

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

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-main);
    text-shadow: 0 0 10px rgba(255,255,255,0.25);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    padding-top: 160px;
    padding-bottom: 100px;
    overflow: hidden;
}

.hero-bg-glow {
    position: absolute;
    top: -10%;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 500px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, rgba(236, 72, 153, 0.05) 50%, rgba(0,0,0,0) 100%);
    pointer-events: none;
    z-index: 1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 24px;
    line-height: 1.15;
}

.hero-subtitle {
    font-size: 1.15rem;
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-social-proof {
    display: flex;
    align-items: center;
    gap: 16px;
}

.avatar-group {
    display: flex;
    margin-right: 4px;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--bg-dark);
    margin-left: -12px;
    object-fit: cover;
    display: block;
}

.avatar:first-child {
    margin-left: 0;
}

.social-proof-text {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.social-proof-text strong {
    color: var(--text-main);
}

/* Essay Mock-up visual */
.hero-visual {
    display: flex;
    justify-content: center;
}

.essay-card {
    width: 100%;
    max-width: 380px;
    padding: 24px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    position: relative;
}

.essay-header {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.essay-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.essay-dot.red { background: #ef4444; }
.essay-dot.yellow { background: #eab308; }
.essay-dot.green { background: #22c55e; }

.essay-title {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: monospace;
    margin-left: auto;
}

.essay-line-group {
    margin-bottom: 24px;
    position: relative;
}

.essay-line {
    font-size: 0.9rem;
    color: var(--text-main);
    line-height: 1.6;
    margin-bottom: 8px;
    text-align: justify;
}

.highlight-yellow {
    background: rgba(234, 179, 8, 0.2);
    border-bottom: 2px dashed #eab308;
    color: #fef08a;
    padding: 0 2px;
}

.highlight-pink {
    background: rgba(236, 72, 153, 0.2);
    border-bottom: 2px dashed #ec4899;
    color: #fbcfe8;
    padding: 0 2px;
}

.correction-tag {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 600;
}

.tag-violet {
    background: rgba(139, 92, 246, 0.15);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: #c084fc;
}

.tag-pink {
    background: rgba(236, 72, 153, 0.15);
    border: 1px solid rgba(236, 72, 153, 0.3);
    color: #f472b6;
}

/* ==========================================================================
   SIMULATOR SECTION
   ========================================================================== */
.simulator-section {
    background: linear-gradient(180deg, rgba(9, 13, 22, 0) 0%, rgba(13, 19, 33, 0.6) 50%, rgba(9, 13, 22, 0) 100%);
}

.simulator-card {
    padding: 48px;
    max-width: 960px;
    margin: 0 auto;
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}

.simulator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.simulator-panel-title {
    font-size: 1.35rem;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.control-group {
    margin-bottom: 32px;
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 12px;
    color: var(--text-main);
}

.control-value {
    font-weight: 700;
    color: var(--primary);
    font-size: 1.15rem;
}

/* Customize Range Slider */
.score-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    margin-bottom: 8px;
}

.score-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--grad-primary);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
    transition: transform 0.15s ease;
}

.score-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.score-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--grad-primary);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
    border: none;
    transition: transform 0.15s ease;
}

.score-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
}

.slider-ticks {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: monospace;
}

.custom-select {
    width: 100%;
    padding: 14px 16px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: var(--font-family);
    font-weight: 500;
    font-size: 0.95rem;
    outline: none;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg fill='white' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    transition: var(--transition);
}

.custom-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.2);
}

/* Results Display Box */
.results-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.result-box {
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.glow-box {
    border: 1px solid rgba(139, 92, 246, 0.25);
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.1);
}

.result-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.result-value {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
}

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

.impact-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 0.92rem;
}

.impact-icon-container {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 2px;
}

.status-icon {
    width: 14px;
    height: 14px;
}

.impact-icon-lucide {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    margin-top: 2px;
}

.impact-item p {
    font-size: 0.85rem;
    margin-top: 2px;
}

/* ==========================================================================
   PILARS / METHOD SECTION
   ========================================================================== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.method-card {
    padding: 36px 28px;
    position: relative;
    overflow: hidden;
}

.method-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--grad-primary);
    opacity: 0;
    transition: var(--transition);
}

.method-card:hover::before {
    opacity: 1;
}

.method-card:hover {
    transform: translateY(-5px);
}

.method-num {
    font-size: 2.25rem;
    font-weight: 800;
    opacity: 0.15;
    font-family: monospace;
    line-height: 1;
    margin-bottom: 20px;
    color: var(--primary);
    transition: var(--transition);
}

.method-card:hover .method-num {
    opacity: 0.6;
}

.method-card-title {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.method-card-desc {
    font-size: 0.88rem;
}

/* ==========================================================================
   ABOUT THE TEACHER
   ========================================================================== */
.about-container {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: center;
}

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

.image-frame {
    position: relative;
    padding: 12px;
    border-radius: var(--radius-lg);
    max-width: 360px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.about-image {
    width: 100%;
    height: auto;
    border-radius: calc(var(--radius-lg) - 8px);
    display: block;
    object-fit: cover;
}

.image-badge {
    position: absolute;
    bottom: -15px;
    right: 30px;
    background: var(--grad-primary);
    color: var(--text-main);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 8px 16px;
    border-radius: 100px;
    box-shadow: 0 4px 15px rgba(236,72,153,0.3);
    display: flex;
    align-items: center;
}

.about-text {
    font-size: 1.05rem;
    margin-bottom: 20px;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 36px;
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
}

.metric-item {
    text-align: left;
}

.metric-num {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 6px;
}

.metric-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================================================
   TESTIMONIALS (CAROUSEL)
   ========================================================================== */
.testimonials-section {
    background: linear-gradient(180deg, rgba(9, 13, 22, 0) 0%, rgba(13, 19, 33, 0.4) 50%, rgba(9, 13, 22, 0) 100%);
}

.carousel-wrapper {
    position: relative;
    max-width: 760px;
    margin: 0 auto;
    overflow: hidden;
}

.carousel-container {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
}

.testimonial-card {
    min-width: 100%;
    width: 100%;
    padding: 48px;
    opacity: 0.3;
    transform: scale(0.95);
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.testimonial-card.active {
    opacity: 1;
    transform: scale(1);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.icon-star {
    width: 18px;
    height: 18px;
    color: var(--warning);
}

.icon-star.filled {
    fill: var(--warning);
}

.testimonial-quote {
    font-size: 1.25rem;
    color: var(--text-main);
    font-style: italic;
    line-height: 1.6;
    margin-bottom: 28px;
}

.testimonial-user {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
}

.user-name {
    font-size: 1rem;
    font-weight: 700;
}

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

.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 32px;
    padding: 0 12px;
}

.carousel-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.carousel-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
    transform: scale(1.05);
}

.nav-btn-icon {
    width: 18px;
    height: 18px;
    color: var(--text-main);
}

.carousel-dots {
    display: flex;
    gap: 8px;
}

.carousel-dots .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: var(--transition);
}

.carousel-dots .dot.active {
    background: var(--primary);
    width: 24px;
    border-radius: 100px;
}

/* ==========================================================================
   PRICING / OFFER SECTION
   ========================================================================== */
.pricing-container {
    max-width: 960px;
}

.pricing-card {
    padding: 48px;
    box-shadow: 0 20px 45px rgba(0,0,0,0.3);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--grad-primary);
    color: var(--text-main);
    font-size: 0.72rem;
    font-weight: 800;
    padding: 6px 16px;
    border-radius: 100px;
    letter-spacing: 0.08em;
    box-shadow: 0 4px 15px rgba(236,72,153,0.3);
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.pricing-plan-name {
    font-size: 1.75rem;
    margin-bottom: 8px;
}

.pricing-plan-desc {
    font-size: 0.95rem;
    margin-bottom: 32px;
}

.pricing-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.92rem;
}

.check-icon {
    width: 18px;
    height: 18px;
    color: var(--success);
    margin-top: 3px;
    flex-shrink: 0;
}

.pricing-action-box {
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 32px;
}

.price-old {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

.price-value-container {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    margin: 8px 0;
}

.price-currency {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 8px;
    margin-right: 4px;
}

.price-main {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1;
}

.price-cents {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 8px;
}

.price-cash-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 16px;
}

.price-divider {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.price-divider::before, .price-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.installment-box {
    margin-bottom: 24px;
}

.installment-title {
    font-size: 0.85rem;
    font-weight: 600;
    display: block;
    margin-bottom: 8px;
    text-align: left;
}

.installment-select {
    font-size: 0.85rem;
    padding: 10px 12px;
}

.security-badges {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.security-item {
    display: flex;
    align-items: center;
}

/* ==========================================================================
   FAQ SECTION
   ========================================================================== */
.faq-list {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.faq-trigger {
    width: 100%;
    padding: 24px;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-family: var(--font-family);
    font-size: 1.05rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.faq-icon-lucide {
    width: 20px;
    height: 20px;
    color: var(--primary);
    transition: var(--transition);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer {
    padding: 0 24px 24px 24px;
    font-size: 0.92rem;
    line-height: 1.6;
}

.faq-item.active {
    border-color: rgba(139, 92, 246, 0.25);
    background: rgba(30, 41, 59, 0.55);
}

.faq-item.active .faq-icon-lucide {
    transform: rotate(180deg);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    padding: 60px 0;
    border-top: 1px solid var(--border-color);
    background: #06090f;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    display: block;
    margin-bottom: 12px;
}

.footer-copy {
    font-size: 0.8rem;
    max-width: 600px;
    margin: 0 auto 24px auto;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.social-icon {
    font-size: 0.88rem;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
}

.social-icon:hover {
    color: var(--text-main);
    transform: translateY(-2px);
}

.footer-icon {
    width: 16px;
    height: 16px;
    margin-right: 6px;
}

/* ==========================================================================
   RESPONSIVENESS (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-container {
        grid-template-columns: 1.1fr 0.9fr;
        gap: 32px;
    }
    
    .cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    section {
        padding: 70px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .header-container {
        height: 70px;
    }
    
    .nav-menu {
        display: none; /* Can add a mobile burger toggle later, or simple scroll navbar */
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 48px;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta-group {
        justify-content: center;
    }
    
    .hero-social-proof {
        justify-content: center;
    }
    
    .essay-card {
        max-width: 440px;
    }
    
    .simulator-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .simulator-card {
        padding: 32px 24px;
    }
    
    .about-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .image-frame {
        max-width: 280px;
    }
    
    .metrics-grid {
        justify-items: center;
    }
    
    .metric-item {
        text-align: center;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .pricing-card {
        padding: 32px 24px;
    }
    
    .testimonial-card {
        padding: 32px 20px;
    }
    
    .testimonial-quote {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-cta-group .btn {
        width: 100%;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .carousel-controls {
        padding: 0;
    }
    
    .carousel-btn {
        display: none; /* Hide side arrows on small screens, rely on dots/swipe */
    }
    
    .carousel-controls {
        justify-content: center;
    }
}