:root {
    /* Colors */
    --c-blue: #0066ff;
    --c-cyan: #00d9ff;
    --c-green: #00ff88;
    --c-purple: #9333ea;
    --c-black: #000000;
    --c-gray-1: #1a1a1a;
    --c-gray-2: #808080;
    --c-gray-3: #b0b0b0;
    --c-white: #ffffff;
    --c-err: #ff0844;
    --c-warn: #ffea00;
    --c-gold: #ffd700;
    --c-orange: #ff6b35;

    /* Glass */
    --glass-light: rgba(255, 255, 255, 0.10);
    --glass-dark: rgba(0, 0, 0, 0.30);
    --glass-border: rgba(255, 255, 255, 0.15);

    /* Typography */
    --font-heading: 'Space Grotesk', 'Helvetica Neue Ultralight', 'Inter', sans-serif;
    --font-body: 'Inter', 'Manrope', sans-serif;

    /* Layout */
    --max-w: 1400px;
    --nav-h: 80px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--c-black);
    color: var(--c-white);
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background-color: var(--c-cyan);
    color: var(--c-black);
}

/* Typography styles */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 300;
    /* Ultra thin preference */
    line-height: 1.2;
    letter-spacing: -0.02em;
}

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

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

.text-gray {
    color: var(--c-gray-3);
}

.text-gradient {
    background: linear-gradient(to right, var(--c-cyan), var(--c-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.highlight-red {
    color: var(--c-err);
}

h1.headline {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 700;
    /* making it punchy for premium look */
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    background: linear-gradient(135deg, #fff 0%, #b0b0b0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subheadline {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--c-gray-3);
    max-width: 800px;
    margin: 0 auto 2.5rem;
    font-weight: 400;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--c-cyan);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-desc {
    font-size: 1.2rem;
    color: var(--c-gray-3);
    margin-bottom: 3rem;
}

/* Utilities */
.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 5%;
}

.container-narrow {
    max-width: 800px;
}

.relative {
    position: relative;
}

.z-10 {
    z-index: 10;
}

.mb-20 {
    margin-bottom: 1.25rem;
}

.mb-40 {
    margin-bottom: 2.5rem;
}

.mt-10 {
    margin-top: 0.625rem;
}

.mt-20 {
    margin-top: 1.25rem;
}

.mt-40 {
    margin-top: 2.5rem;
}

.w-full {
    width: 100%;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.justify-center {
    justify-content: center;
}

.text-sm {
    font-size: 0.875rem;
}

.py-60 {
    padding-top: 3.75rem;
    padding-bottom: 3.75rem;
}

.px-20 {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
}

.bg-darker {
    background-color: var(--c-gray-1);
}

/* Components */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-body);
    font-weight: 500;
    padding: 0.8rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    color: var(--c-white);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    cursor: pointer;
    border: none;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background-color: var(--c-blue);
    border: 1px solid var(--c-blue);
}

.btn-glow {
    background: linear-gradient(90deg, var(--c-blue), var(--c-cyan));
    box-shadow: 0 0 20px rgba(0, 102, 255, 0.4);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-glow::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    100% {
        left: 200%;
    }
}

.btn-large {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.6rem 1.2rem;
    font-size: 0.85rem;
}

.btn-ghost {
    background: transparent;
    border: 1px solid var(--c-gray-2);
    color: var(--c-gray-3);
}

.btn-ghost:hover {
    border-color: var(--c-white);
    color: var(--c-white);
}

.hover-glow:hover {
    transform: scale(1.03);
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.6);
}

.hover-scale {
    transition: transform 0.3s ease;
}

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

/* Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--c-blue), var(--c-cyan));
    width: 0%;
    z-index: 1000;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-h);
    background: var(--glass-dark);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 999;
}

.navbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: 2px;
    font-size: 1.2rem;
    color: var(--c-white);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--c-gray-3);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

/* Floating CTA */
.floating-cta {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--c-cyan);
    color: var(--c-black);
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.4);
    z-index: 990;
    transition: transform 0.3s, opacity 0.3s;
    opacity: 0;
    transform: scale(0.8) translateY(20px);
    pointer-events: none;
}

.floating-cta.visible {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: all;
}

.floating-cta:hover {
    transform: scale(1.1);
}

/* Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    filter: blur(5px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), filter 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding-top: calc(var(--nav-h) + 6rem);
    padding-bottom: 4rem;
    overflow: hidden;
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    pointer-events: none;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, #0a0e27 0%, #1a0b2e 50%, #000000 100%);
    opacity: 0.9;
}

.brain-canvas {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    z-index: 1;
}

.brain-fallback {
    display: none;
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(0, 217, 255, 0.1) 0%, transparent 60%);
    z-index: 1;
}

.holographic-grid {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50vh;
    background-image:
        linear-gradient(to right, rgba(0, 217, 255, 0.15) 1px, transparent 1px),
        linear-gradient(to top, rgba(0, 217, 255, 0.15) 1px, transparent 1px);
    background-size: 50px 50px;
    transform: perspective(500px) rotateX(60deg);
    transform-origin: bottom;
    z-index: 2;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: 100px;
    border: 1px solid var(--c-gold);
    color: var(--c-gold);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.badge.style-solid {
    background: var(--c-blue);
    border-color: var(--c-blue);
    color: var(--c-white);
}

.hero-bullets {
    list-style: none;
    margin: 0 auto 3rem;
    max-width: 600px;
    text-align: left;
}

.hero-bullets li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.hero-bullets li svg {
    width: 20px;
    height: 20px;
    color: var(--c-cyan);
    flex-shrink: 0;
}

.microcopy {
    font-size: 0.85rem;
    color: var(--c-gray-3);
    margin-top: 1rem;
}

.section-divider {
    height: 2px;
    width: 100%;
    background: linear-gradient(90deg, transparent, var(--c-blue), transparent);
    opacity: 0.5;
}

/* General Sections */
.section {
    padding: 100px 0;
    position: relative;
    z-index: 10;
}

/* Proofs */
.proof-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.glass-card {
    background: var(--glass-light);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 2.5rem 2rem;
    border-radius: 12px;
}

.glass-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--c-cyan);
}

.glass-card p {
    color: var(--c-gray-3);
}

/* Problem */
.problem-list {
    list-style: none;
    margin: 2rem 0;
}

.problem-list li {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.icon-x {
    color: var(--c-err);
    font-weight: bold;
    font-size: 1.5rem;
    line-height: 1;
}

.highlight-box {
    border-left: 4px solid var(--c-cyan);
    padding: 1.5rem 2rem;
    background: rgba(0, 217, 255, 0.05);
    margin-top: 3rem;
    font-style: italic;
    font-size: 1.2rem;
}

/* Solution */
.solution {
    background: #050510;
    position: relative;
    overflow: hidden;
}

.holographic-curtain {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(0, 217, 255, 0.1) 0%, transparent 100%);
    transform: translateX(-100%);
    transition: transform 1.5s ease-out;
}

.solution.in-view .holographic-curtain {
    transform: translateX(0);
}

.icon-brain-geometric {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%2300d9ff" stroke-width="1.5"><path d="M9.5 2A2.5 2.5 0 007 4.5v.5H5.5A2.5 2.5 0 003 7.5v2c0 .85.43 1.6 1.08 2.05-.65.45-1.08 1.2-1.08 2.05v2A2.5 2.5 0 005.5 18.5H7v.5A2.5 2.5 0 009.5 21.5h1A2.5 2.5 0 0013 19v-2.5h.5A2.5 2.5 0 0016 14v-.5l2 1a2.5 2.5 0 003.5-2.5v-3A2.5 2.5 0 0019 6.5h-1a2.5 2.5 0 00-2-2h-6.5z"/></svg>');
    background-size: contain;
    background-repeat: no-repeat;
}

.solution-pillars {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 600px;
    margin: 4rem auto 0;
}

.pillar {
    position: relative;
    padding-left: 2rem;
}

.pillar-line {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--c-cyan);
}

.pillar h3 {
    font-size: 1.2rem;
    font-weight: 500;
}

/* Steps */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.step-card {
    background: var(--glass-light);
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    border-radius: 12px;
    position: relative;
}

.step-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
}

.step-blue svg {
    stroke: var(--c-blue);
}

.step-cyan svg {
    stroke: var(--c-cyan);
}

.step-green svg {
    stroke: var(--c-green);
}

.step-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.step-card p {
    color: var(--c-gray-3);
    font-size: 0.95rem;
}

/* Results */
.results-comparison {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 2rem;
    margin-top: 4rem;
    flex-wrap: wrap;
}

.result-box {
    background: var(--c-gray-1);
    border-radius: 12px;
    padding: 2rem;
    width: 100%;
    max-width: 350px;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.result-box.before {
    border-color: rgba(255, 8, 68, 0.3);
    box-shadow: 0 0 30px rgba(255, 8, 68, 0.05);
}

.result-box.after {
    border-color: rgba(0, 255, 136, 0.3);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.05);
}

.result-header {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
}

.result-box.before .result-header {
    color: var(--c-err);
}

.result-box.after .result-header {
    color: var(--c-green);
}

.heatmap {
    width: 100%;
    height: 150px;
    border-radius: 8px;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
    /* Adding a glassmorphism border ring */
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Base grid pattern to look scientific/authoritative */
.heatmap::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 20px 20px;
    z-index: 1;
}

.heatmap-low {
    background: radial-gradient(circle at center, rgba(255, 8, 68, 0.15) 0%, rgba(30, 5, 10, 0.8) 60%, rgba(0, 0, 0, 1) 100%);
    box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.9);
}

.heatmap-low::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60%;
    height: 60%;
    background: radial-gradient(ellipse, rgba(255, 8, 68, 0.2) 0%, transparent 70%);
    filter: blur(10px);
    animation: pulse-low 4s infinite alternate;
}

.heatmap-high {
    background: radial-gradient(circle at center, rgba(0, 217, 255, 0.2) 0%, rgba(0, 255, 136, 0.1) 40%, rgba(5, 20, 30, 0.8) 80%, rgba(0, 0, 0, 1) 100%);
    box-shadow: inset 0 0 20px rgba(0, 217, 255, 0.2);
}

.heatmap-high::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(ellipse, rgba(0, 255, 136, 0.4) 0%, rgba(0, 217, 255, 0.2) 50%, transparent 80%);
    filter: blur(8px);
    animation: pulse-high 3s infinite alternate;
}

@keyframes pulse-low {
    0% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(0.9);
    }

    100% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

@keyframes pulse-high {
    0% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(0.95);
    }

    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.05);
    }
}

.result-box ul {
    list-style: none;
    text-align: left;
    color: var(--c-gray-3);
}

.result-box ul li {
    margin-bottom: 0.8rem;
    position: relative;
    padding-left: 1.5rem;
}

.result-box.before ul li::before {
    content: '-';
    position: absolute;
    left: 0;
    color: var(--c-err);
}

.result-box.after ul li::before {
    content: '+';
    position: absolute;
    left: 0;
    color: var(--c-green);
}

.result-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.result-badge {
    background: var(--glass-light);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: bold;
    color: var(--c-cyan);
}

.arrow-right {
    width: 32px;
    height: 32px;
    color: var(--c-gray-2);
}

/* Modules */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.module-card {
    background: linear-gradient(145deg, rgba(26, 26, 26, 0.6) 0%, rgba(5, 5, 5, 0.9) 100%);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    position: relative;
    overflow: hidden;
    transition: transform 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.module-card:hover {
    border-color: rgba(0, 217, 255, 0.4);
    box-shadow: 0 10px 40px rgba(0, 217, 255, 0.1);
    transform: translateY(-5px);
}

/* Subtle top border gradient line */
.module-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--c-blue), var(--c-cyan), transparent);
}

.mod-num {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-family: var(--font-heading);
    font-size: 4.5rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.03);
    line-height: 1;
    z-index: 0;
    transition: color 0.4s ease;
}

.module-card:hover .mod-num {
    color: rgba(0, 217, 255, 0.08);
}

.module-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--c-white);
    position: relative;
    z-index: 1;
}

.module-card p {
    color: var(--c-gray-3);
    font-size: 1rem;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* Bonus */
.bonus {
    background: linear-gradient(180deg, transparent 0%, rgba(147, 51, 234, 0.1) 100%);
}

.bonus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.bonus-item {
    display: flex;
    gap: 1rem;
    background: var(--glass-light);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid rgba(147, 51, 234, 0.3);
}

.bonus-icon {
    font-size: 2rem;
}

.bonus-content h3 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.bonus-content p {
    font-size: 0.85rem;
    color: var(--c-gray-3);
}

/* Price */
.price-box {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    padding: 3px;
    border-radius: 12px;
    overflow: hidden;
}

.price-border-anim {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent 0%, var(--c-cyan) 25%, transparent 50%, var(--c-blue) 75%, transparent 100%);
    animation: rotate 10s linear infinite;
    z-index: 0;
}

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

    100% {
        transform: rotate(360deg);
    }
}

.price-content {
    background: #000;
    position: relative;
    z-index: 1;
    border-radius: 10px;
    padding: 3rem;
}

.offer-stack {
    list-style: none;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 2rem;
}

.offer-stack li {
    padding: 0.8rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.offer-stack li::before {
    content: '✓';
    color: var(--c-green);
    font-weight: bold;
}

.price-values {
    text-align: center;
    margin-bottom: 2rem;
}

.price-anchor {
    display: block;
    color: var(--c-err);
    text-decoration: line-through;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.price-current {
    font-size: 2.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--c-white);
}

.price-current small {
    font-size: 1rem;
    font-weight: 400;
    color: var(--c-gray-3);
}

.guarantee {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: rgba(0, 255, 136, 0.05);
    border: 1px solid rgba(0, 255, 136, 0.2);
    padding: 1.5rem;
    border-radius: 8px;
    font-size: 0.9rem;
}

.guarantee svg {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

/* FAQ */
.accordion {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.accordion-item {
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    overflow: hidden;
}

.accordion-button {
    width: 100%;
    text-align: left;
    background: var(--glass-light);
    border: none;
    padding: 1.5rem;
    color: var(--c-white);
    font-size: 1.1rem;
    font-family: var(--font-body);
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-content {
    background: transparent;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 1.5rem;
}

.accordion-content p {
    padding: 1rem 0;
    color: var(--c-gray-3);
}

.accordion-button[aria-expanded="true"] .icon {
    transform: rotate(45deg);
}

.accordion-button .icon {
    transition: transform 0.3s ease;
    font-size: 1.5rem;
}

/* Responive */
@media (max-width: 900px) {
    .nav-links {
        display: none;
    }

    .hero-bullets {
        padding: 0 1rem;
    }

    .hero-bullets li {
        font-size: 1rem;
    }

    h1.headline {
        font-size: 2rem;
    }

    .price-content {
        padding: 2rem;
    }
}

@media (max-width: 600px) {
    html {
        font-size: 14px;
    }

    .section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .subheadline,
    .section-desc {
        font-size: 1.1rem;
    }

    .results-comparison {
        flex-direction: column;
    }

    .result-center .arrow-right {
        transform: rotate(90deg);
    }

    .btn {
        width: 100%;
        justify-content: center;
        min-height: 56px;
    }

    .proof-grid,
    .steps-grid,
    .modules-grid,
    .bonus-grid {
        grid-template-columns: 1fr;
    }

    /* Disabling heavy 3D on mobile by showing fallback */
    .brain-canvas {
        display: none !important;
    }

    .brain-fallback {
        display: block;
    }

    .holographic-grid {
        background-size: 30px 30px;
    }
}