@import url('variables.css');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ── Reset & Base ─────────────────────────────────── */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.7;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; border: none; cursor: pointer; background: none; }

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

/* ── Scroll Progress Bar ──────────────────────────── */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--gradient-hero);
    z-index: 9999;
    width: 0%;
    transition: width 0.1s linear;
}

/* ── Cursor Glow ──────────────────────────────────── */

.cursor-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.04) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
}

/* ── Background ───────────────────────────────────── */

.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.012) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.012) 1px, transparent 1px);
    background-size: 72px 72px;
    pointer-events: none;
    z-index: 0;
}

/* ── Particles Canvas ─────────────────────────────── */

#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

/* ── Navbar ───────────────────────────────────────── */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.1rem 0;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    padding: 0.55rem 0;
    backdrop-filter: blur(24px) saturate(1.4);
    -webkit-backdrop-filter: blur(24px) saturate(1.4);
    background: rgba(5, 5, 8, 0.82);
    border-bottom: 1px solid var(--border-subtle);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.nav-logo img { height: 136px; width: auto; margin: -51px 0; }

.nav-logo span {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, #c0c0c0, #e8e8e8, #a8a8a8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.2rem;
}

.nav-links a {
    font-size: var(--fs-small);
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-hero);
    border-radius: 1px;
    transition: var(--transition-smooth);
}

.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
    padding: 0.5rem 1.5rem !important;
    border-radius: 100px !important;
    border: 1px solid var(--border-glow) !important;
    background: var(--accent-cyan-subtle) !important;
    color: var(--accent-cyan) !important;
    font-weight: 600 !important;
}

.nav-cta:hover {
    background: rgba(0, 212, 255, 0.14) !important;
    box-shadow: var(--shadow-glow);
}

.nav-cta::after { display: none !important; }

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ── Hero ─────────────────────────────────────────── */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: var(--perspective);
    overflow: hidden;
    z-index: 1;
    padding-top: 5rem;
}

.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
    animation: orbFloat 12s ease-in-out infinite;
}

.hero-orb--cyan {
    width: 600px; height: 600px;
    background: var(--accent-cyan);
    top: -15%; right: -8%;
    opacity: 0.07;
}

.hero-orb--indigo {
    width: 500px; height: 500px;
    background: var(--accent-indigo);
    bottom: -5%; left: -8%;
    opacity: 0.05;
    animation-delay: -4s;
}

.hero-orb--red {
    width: 350px; height: 350px;
    background: var(--accent-red);
    bottom: 20%; right: 20%;
    opacity: 0.035;
    animation-delay: -8s;
}

.hero-content {
    text-align: center;
    transform-style: preserve-3d;
    z-index: 2;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 1.2rem;
    border-radius: 100px;
    border: 1px solid var(--border-glow);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    font-size: var(--fs-xs);
    color: var(--accent-cyan);
    font-weight: 600;
    letter-spacing: 0.04em;
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge .dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 8px var(--accent-green);
    animation: pulse-dot 2s ease-in-out infinite;
}

.hero-title {
    font-family: var(--font-display);
    font-size: var(--fs-hero);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.035em;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

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

.hero-title .line-2 {
    font-size: 0.55em;
    display: block;
    margin-top: 0.3em;
    color: var(--text-secondary);
    -webkit-text-fill-color: var(--text-secondary);
    letter-spacing: -0.01em;
    font-weight: 500;
}

.hero-subtitle {
    font-size: var(--fs-body);
    color: var(--text-secondary);
    max-width: 520px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-highlight {
    color: var(--text-primary);
    font-weight: 600;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3.5rem;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

/* ── Buttons ──────────────────────────────────────── */

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.85rem 2rem;
    border-radius: 100px;
    background: var(--gradient-hero);
    color: var(--bg-primary);
    font-weight: 700;
    font-size: var(--fs-body);
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.35);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.85rem 2rem;
    border-radius: 100px;
    border: 1px solid var(--border-medium);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    font-weight: 500;
    font-size: var(--fs-body);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-secondary:hover {
    border-color: var(--border-glow);
    background: var(--bg-glass-hover);
    transform: translateY(-3px);
}

.btn-glow {
    animation: btnGlow 3s ease-in-out infinite;
}

/* ── Hero Product ─────────────────────────────────── */

.hero-product {
    position: relative;
    perspective: var(--perspective);
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-product-inner {
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.1s ease-out;
}

.hero-product img {
    max-height: 800px;
    margin: 0 auto;
    filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.6))
            drop-shadow(0 0 50px rgba(0, 212, 255, 0.08));
}

.hero-product-glow {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    width: 350px;
    height: 80px;
    background: radial-gradient(ellipse, rgba(0, 212, 255, 0.12), transparent 70%);
    border-radius: 50%;
    filter: blur(25px);
}

.hero-scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: fadeInUp 1s ease-out 1s both;
}

.hero-scroll-hint span {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--accent-cyan), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

/* ── Section Common ───────────────────────────────── */

section {
    position: relative;
    padding: var(--section-padding) 0;
    z-index: 1;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--fs-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--accent-cyan);
    margin-bottom: 1rem;
}

.section-label::before {
    content: '';
    width: 28px;
    height: 1px;
    background: var(--accent-cyan);
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--fs-h1);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.025em;
    margin-bottom: 1rem;
}

.section-desc {
    font-size: var(--fs-body);
    color: var(--text-secondary);
    max-width: 540px;
    line-height: 1.8;
}

.section-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-subtle), transparent);
}

/* ── Problem / Pain Section ───────────────────────── */

.problem {
    background: linear-gradient(180deg, var(--bg-primary), var(--bg-secondary));
}

.problem-header {
    text-align: center;
    margin-bottom: 4rem;
}

.problem-header .section-desc { margin: 0 auto; }

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.problem-card {
    position: relative;
    padding: 2.5rem 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(244, 63, 94, 0.1);
    background: rgba(244, 63, 94, 0.03);
    text-align: center;
    transition: var(--transition-smooth);
    overflow: hidden;
}

.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-red), transparent);
    opacity: 0.4;
}

.problem-card:hover {
    border-color: rgba(244, 63, 94, 0.2);
    transform: translateY(-4px);
}

.problem-number {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

.problem-card h3 {
    font-family: var(--font-display);
    font-size: var(--fs-h3);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.problem-card p {
    font-size: var(--fs-small);
    color: var(--text-secondary);
    line-height: 1.7;
}

.problem-solution-bridge {
    text-align: center;
    margin-top: 3.5rem;
    padding: 2rem;
}

.problem-solution-bridge p {
    font-size: var(--fs-h2);
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--text-muted);
}

.problem-solution-bridge .highlight {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* ── Features ─────────────────────────────────────── */

.features-header {
    text-align: center;
    margin-bottom: 4rem;
}

.features-header .section-desc { margin: 0 auto; }

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    position: relative;
    padding: 2.2rem 1.8rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    opacity: 0;
    transition: var(--transition-smooth);
}

.feature-card:hover {
    border-color: var(--border-glow);
    background: var(--bg-glass-hover);
    transform: translateY(-6px);
    box-shadow: var(--shadow-glow);
}

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

.feature-icon {
    width: 52px; height: 52px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.3rem;
    background: var(--accent-cyan-subtle);
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: var(--fs-h3);
    font-weight: 600;
    margin-bottom: 0.6rem;
}

.feature-card p {
    font-size: var(--fs-small);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ── How It Works ─────────────────────────────────── */

.how-it-works-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.how-image-wrapper {
    position: relative;
    perspective: var(--perspective);
}

.how-image-inner {
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.1s ease-out;
}

.how-image-inner img {
    border-radius: var(--radius-xl);
    filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.5));
    max-height: 1000px;
    width: 100%;
    object-fit: contain;
    margin: 0 auto;
    transform: scale(1.35);
    transform-origin: center center;
}

.how-image-glow {
    position: absolute;
    inset: -20px;
    border-radius: var(--radius-xl);
    background: radial-gradient(ellipse at center, rgba(244, 63, 94, 0.06), transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.step {
    display: flex;
    gap: 1.3rem;
    padding: 1.3rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    transition: var(--transition-smooth);
    position: relative;
}

.step:hover {
    border-color: var(--border-subtle);
    background: var(--bg-glass);
}

.step-number {
    flex-shrink: 0;
    width: 44px; height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
    background: var(--accent-cyan-subtle);
    border: 1px solid rgba(0, 212, 255, 0.15);
    color: var(--accent-cyan);
}

.step h3 {
    font-family: var(--font-display);
    font-size: var(--fs-h3);
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.step p {
    font-size: var(--fs-small);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ── NIR Animation ───────────────────────────────── */

.nir-section {
    background: linear-gradient(180deg, var(--bg-primary), var(--bg-secondary));
    overflow: hidden;
}

.nir-header {
    text-align: center;
    margin-bottom: 3rem;
}

.nir-header .section-desc { margin: 0 auto; }

.nir-scene-wrapper {
    max-width: 820px;
    margin: 0 auto;
    padding: 2rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-subtle);
    background: rgba(5, 5, 15, 0.6);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.nir-scene-wrapper::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    opacity: 0.3;
}

.nir-scene {
    width: 100%;
    height: auto;
    display: block;
}

.nir-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 3rem;
    max-width: 820px;
    margin-left: auto;
    margin-right: auto;
}

.nir-step {
    text-align: center;
    padding: 1.5rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.nir-step:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.nir-step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--accent-cyan-subtle);
    border: 1px solid rgba(0, 212, 255, 0.15);
    color: var(--accent-cyan);
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.nir-step h4 {
    font-family: var(--font-display);
    font-size: var(--fs-small);
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.nir-step p {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ── Comparison ───────────────────────────────────── */

.comparison {
    background: linear-gradient(180deg, var(--bg-secondary), var(--bg-primary));
}

.comparison-header {
    text-align: center;
    margin-bottom: 4rem;
}

.comparison-header .section-desc { margin: 0 auto; }

.comparison-table {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.comparison-col {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.comparison-col--old {
    border: 1px solid rgba(244, 63, 94, 0.12);
    background: rgba(244, 63, 94, 0.02);
}

.comparison-col--new {
    border: 1px solid var(--border-glow-strong);
    background: rgba(0, 212, 255, 0.03);
    position: relative;
}

.comparison-col--new::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--gradient-hero);
}

.comparison-col-header {
    padding: 1.5rem 2rem;
    text-align: center;
    border-bottom: 1px solid var(--border-subtle);
}

.comparison-col--old .comparison-col-header {
    background: rgba(244, 63, 94, 0.04);
}

.comparison-col--new .comparison-col-header {
    background: rgba(0, 212, 255, 0.04);
}

.comparison-col-header h3 {
    font-family: var(--font-display);
    font-size: var(--fs-h3);
    font-weight: 700;
}

.comparison-col--new .comparison-col-header h3 {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.comparison-col-header .badge-recommended {
    display: inline-block;
    margin-top: 0.4rem;
    padding: 0.2rem 0.8rem;
    border-radius: 100px;
    background: var(--accent-cyan-subtle);
    border: 1px solid rgba(0, 212, 255, 0.15);
    color: var(--accent-cyan);
    font-size: var(--fs-xs);
    font-weight: 700;
    letter-spacing: 0.05em;
}

.comparison-items {
    padding: 1.5rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.comparison-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: var(--fs-small);
    color: var(--text-secondary);
}

.comparison-item .icon-x {
    flex-shrink: 0;
    width: 22px; height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(244, 63, 94, 0.1);
    color: var(--accent-red);
    font-size: 0.7rem;
    font-weight: 700;
}

.comparison-item .icon-check {
    flex-shrink: 0;
    width: 22px; height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
    font-size: 0.7rem;
    font-weight: 700;
}

/* ── Showcase ─────────────────────────────────────── */

.showcase { overflow: hidden; }

.showcase-header {
    text-align: center;
    margin-bottom: 4rem;
}

.showcase-header .section-desc { margin: 0 auto; }

.showcase-3d-scene {
    position: relative;
    perspective: 1500px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 480px;
}

.showcase-product {
    position: relative;
    transform-style: preserve-3d;
    animation: float 6s ease-in-out infinite;
    z-index: 2;
}

.showcase-product img {
    max-height: 880px;
    filter: drop-shadow(0 40px 80px rgba(0, 0, 0, 0.5))
            drop-shadow(0 0 60px rgba(0, 212, 255, 0.06));
}

.showcase-ring {
    position: absolute;
    border: 1px solid rgba(0, 212, 255, 0.08);
    border-radius: 50%;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%) rotateX(75deg);
    animation: ring-spin 25s linear infinite;
}

.showcase-ring:nth-child(1) { width: 380px; height: 380px; }
.showcase-ring:nth-child(2) {
    width: 520px; height: 520px;
    animation-direction: reverse;
    animation-duration: 35s;
    border-color: rgba(129, 140, 248, 0.06);
}
.showcase-ring:nth-child(3) {
    width: 660px; height: 660px;
    animation-duration: 45s;
    border-color: rgba(244, 63, 94, 0.04);
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 4rem;
}

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.stat-item:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.stat-number {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: 700;
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    margin-top: 0.35rem;
}

/* ── Technology ────────────────────────────────────── */

.technology-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.tech-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 380px;
}

.tech-circle {
    width: 300px; height: 300px;
    border-radius: 50%;
    border: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--bg-glass);
    animation: slowRotate 60s linear infinite;
}

.tech-circle::before {
    content: '';
    position: absolute;
    inset: 18px;
    border-radius: 50%;
    border: 1px solid rgba(0, 212, 255, 0.08);
}

.tech-circle::after {
    content: '';
    position: absolute;
    inset: 45px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-cyan-subtle), transparent);
    border: 1px solid rgba(0, 212, 255, 0.12);
}

.tech-circle-icon {
    position: relative;
    z-index: 2;
    animation: slowRotateReverse 60s linear infinite;
}

.tech-orbit-dot {
    position: absolute;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--accent-cyan);
    box-shadow: 0 0 10px var(--accent-cyan);
}

.tech-orbit-dot:nth-child(2) {
    top: 0; left: 50%;
    transform: translateX(-50%);
    animation: orbit-pulse 3s ease-in-out infinite;
}

.tech-orbit-dot:nth-child(3) {
    bottom: 10%; right: 5%;
    background: var(--accent-indigo);
    box-shadow: 0 0 10px var(--accent-indigo);
    animation: orbit-pulse 3s ease-in-out 1s infinite;
}

.tech-orbit-dot:nth-child(4) {
    bottom: 10%; left: 5%;
    background: var(--accent-red);
    box-shadow: 0 0 10px var(--accent-red);
    animation: orbit-pulse 3s ease-in-out 2s infinite;
}

.tech-list {
    display: flex;
    flex-direction: column;
    gap: 1.3rem;
    margin-top: 2rem;
}

.tech-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-smooth);
}

.tech-item:hover {
    background: var(--bg-glass);
}

.tech-item-icon {
    flex-shrink: 0;
    width: 38px; height: 38px;
    border-radius: var(--radius-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-cyan-subtle);
    border: 1px solid rgba(0, 212, 255, 0.1);
    color: var(--accent-cyan);
}

.tech-item h4 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
}

.tech-item p {
    font-size: var(--fs-small);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ── Testimonials ─────────────────────────────────── */

.testimonials {
    background: var(--gradient-bg);
}

.testimonials-header {
    text-align: center;
    margin-bottom: 4rem;
}

.testimonials-header .section-desc { margin: 0 auto; }

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.testimonial-card {
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.testimonial-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
}

.testimonial-stars {
    display: flex;
    gap: 2px;
    margin-bottom: 1rem;
}

.testimonial-stars svg {
    width: 16px; height: 16px;
    fill: var(--accent-amber);
}

.testimonial-text {
    font-size: var(--fs-small);
    color: var(--text-secondary);
    line-height: 1.8;
    flex: 1;
    font-style: italic;
    margin-bottom: 1.5rem;
}

.testimonial-text::before { content: '\201C'; }
.testimonial-text::after { content: '\201D'; }

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-top: 1px solid var(--border-subtle);
    padding-top: 1rem;
}

.testimonial-avatar {
    width: 40px; height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    background: var(--accent-cyan-subtle);
    border: 1px solid rgba(0, 212, 255, 0.15);
    color: var(--accent-cyan);
}

.testimonial-author-info h4 {
    font-size: var(--fs-small);
    font-weight: 600;
}

.testimonial-author-info span {
    font-size: var(--fs-xs);
    color: var(--text-muted);
}

/* ── FAQ ──────────────────────────────────────────── */

.faq-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.faq-header .section-desc { margin: 0 auto; }

.faq-list {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.faq-item {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-item.active {
    border-color: var(--border-glow);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 1.5rem;
    font-size: var(--fs-body);
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    text-align: left;
    transition: var(--transition-fast);
    background: none;
    border: none;
    font-family: inherit;
}

.faq-question:hover { color: var(--accent-cyan); }

.faq-icon {
    width: 24px; height: 24px;
    flex-shrink: 0;
    position: relative;
    transition: var(--transition-smooth);
}

.faq-icon::before,
.faq-icon::after {
    content: '';
    position: absolute;
    background: var(--text-secondary);
    border-radius: 1px;
    transition: var(--transition-smooth);
}

.faq-icon::before {
    top: 50%; left: 4px; right: 4px;
    height: 2px;
    transform: translateY(-50%);
}

.faq-icon::after {
    left: 50%; top: 4px; bottom: 4px;
    width: 2px;
    transform: translateX(-50%);
}

.faq-item.active .faq-icon::after {
    transform: translateX(-50%) rotate(90deg);
    opacity: 0;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--ease-out), padding 0.4s var(--ease-out);
}

.faq-answer-inner {
    padding: 0 1.5rem 1.5rem;
    font-size: var(--fs-small);
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ── Vision ────────────────────────────────────────── */

.vision {
    background: linear-gradient(180deg, var(--bg-primary), var(--bg-secondary));
}

.vision-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.vision-text .section-desc {
    margin-bottom: 2rem;
}

.vision-quote {
    position: relative;
    padding: 1.5rem 2rem;
    border-left: 2px solid var(--accent-cyan);
    background: var(--bg-glass);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin-top: 2rem;
}

.vision-quote p {
    font-size: var(--fs-body);
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.8;
}

.vision-quote cite {
    display: block;
    margin-top: 0.75rem;
    font-size: var(--fs-xs);
    color: var(--text-muted);
    font-style: normal;
}

.vision-image {
    position: relative;
    perspective: var(--perspective);
}

.vision-image img {
    border-radius: var(--radius-xl);
    filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.5));
    max-height: 840px;
    width: 100%;
    object-fit: contain;
    margin: 0 auto;
    transform: scale(1.3);
    transform-origin: center center;
}

.vision-image-badge {
    position: absolute;
    bottom: -16px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 1.5rem;
    border-radius: 100px;
    background: rgba(5, 5, 8, 0.9);
    border: 1px solid var(--border-glow);
    backdrop-filter: blur(12px);
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--accent-cyan);
    letter-spacing: 0.08em;
    white-space: nowrap;
}

/* ── Roadmap ──────────────────────────────────────── */

.roadmap-header {
    text-align: center;
    margin-bottom: 4rem;
}

.roadmap-header .section-desc {
    margin: 0 auto;
}

.roadmap-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem 0;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 28px;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-indigo), var(--accent-purple), var(--text-dim));
}

.roadmap-item {
    position: relative;
    padding-left: 72px;
    padding-bottom: 2.5rem;
}

.roadmap-item:last-child {
    padding-bottom: 0;
}

.roadmap-dot {
    position: absolute;
    left: 19px;
    top: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--border-subtle);
    background: var(--bg-primary);
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.roadmap-dot::after {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-dim);
}

.roadmap-item.completed .roadmap-dot {
    border-color: var(--accent-green);
}

.roadmap-item.completed .roadmap-dot::after {
    background: var(--accent-green);
    box-shadow: 0 0 8px var(--accent-green);
}

.roadmap-item.active .roadmap-dot {
    border-color: var(--accent-cyan);
    animation: orbit-pulse 2s ease-in-out infinite;
}

.roadmap-item.active .roadmap-dot::after {
    background: var(--accent-cyan);
    box-shadow: 0 0 10px var(--accent-cyan);
}

.roadmap-item.upcoming .roadmap-dot {
    border-color: var(--text-dim);
}

.roadmap-date {
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.3rem;
}

.roadmap-item.completed .roadmap-date {
    color: var(--accent-green);
}

.roadmap-item.active .roadmap-date {
    color: var(--accent-cyan);
}

.roadmap-item-content {
    padding: 1.2rem 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.roadmap-item.active .roadmap-item-content {
    border-color: var(--border-glow);
    background: rgba(0, 212, 255, 0.03);
}

.roadmap-item-content h3 {
    font-family: var(--font-display);
    font-size: var(--fs-h3);
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.roadmap-item-content p {
    font-size: var(--fs-small);
    color: var(--text-secondary);
    line-height: 1.7;
}

.roadmap-item-content .tag {
    display: inline-block;
    margin-top: 0.5rem;
    padding: 0.15rem 0.6rem;
    border-radius: 100px;
    font-size: var(--fs-xs);
    font-weight: 600;
}

.tag-done {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
    border: 1px solid rgba(16, 185, 129, 0.15);
}

.tag-progress {
    background: var(--accent-cyan-subtle);
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 212, 255, 0.15);
}

.tag-planned {
    background: rgba(100, 116, 139, 0.1);
    color: var(--text-muted);
    border: 1px solid rgba(100, 116, 139, 0.15);
}

/* ── CTA ──────────────────────────────────────────── */

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

.cta-box {
    position: relative;
    padding: 4.5rem 3rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-glow);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--gradient-hero);
}

.cta-box::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(0, 212, 255, 0.05), transparent 55%);
    pointer-events: none;
}

.cta-box > * {
    position: relative;
    z-index: 2;
}

.cta-box .section-title { margin-bottom: 1rem; }
.cta-box .section-desc { margin: 0 auto 2rem; text-align: center; }

.cta-form {
    display: flex;
    gap: 0.75rem;
    max-width: 460px;
    margin: 0 auto 1.5rem;
}

.cta-form input {
    flex: 1;
    padding: 0.85rem 1.3rem;
    border-radius: 100px;
    border: 1px solid var(--border-medium);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    font-size: var(--fs-small);
    font-family: inherit;
    outline: none;
    transition: var(--transition-fast);
}

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

.cta-form input:focus {
    border-color: var(--border-glow);
    background: rgba(0, 212, 255, 0.03);
}

.cta-note {
    font-size: var(--fs-xs);
    color: var(--text-muted);
}

.cta-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* ── Footer ───────────────────────────────────────── */

.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border-subtle);
    z-index: 1;
    position: relative;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.footer-logo img { height: 39px; }
.footer-logo span {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.05rem;
}

.footer-text {
    font-size: var(--fs-xs);
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    font-size: var(--fs-xs);
    color: var(--text-muted);
    transition: var(--transition-fast);
}

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

/* ── Animations ───────────────────────────────────── */

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

@keyframes float {
    0%, 100% { transform: translateY(0) rotateY(0deg); }
    50% { transform: translateY(-18px) rotateY(2deg); }
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.8); }
}

@keyframes ring-spin {
    from { transform: translate(-50%, -50%) rotateX(75deg) rotateZ(0deg); }
    to { transform: translate(-50%, -50%) rotateX(75deg) rotateZ(360deg); }
}

@keyframes orbit-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.6); opacity: 0.4; }
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(20px, -15px); }
    66% { transform: translate(-15px, 10px); }
}

@keyframes scrollLine {
    0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
    50.01% { transform-origin: bottom; }
    100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

@keyframes btnGlow {
    0%, 100% { box-shadow: 0 4px 20px rgba(0, 212, 255, 0.2); }
    50% { box-shadow: 0 8px 40px rgba(0, 212, 255, 0.4); }
}

@keyframes slowRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes slowRotateReverse {
    from { transform: rotate(0deg); }
    to { transform: rotate(-360deg); }
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.4s; }
.reveal-delay-6 { transition-delay: 0.48s; }

/* ── Responsive ───────────────────────────────────── */

@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
    .problem-grid { grid-template-columns: repeat(2, 1fr); }
    .problem-grid .problem-card:last-child {
        grid-column: 1 / -1;
        max-width: 50%;
        margin: 0 auto;
    }
    .nav-logo img { height: 100px; margin: -35px 0; }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0; right: -100%;
        width: 280px; height: 100vh;
        height: 100dvh;
        flex-direction: column;
        background: rgba(5, 5, 8, 0.98);
        backdrop-filter: blur(20px);
        padding: 5rem 2rem;
        gap: 1.5rem;
        transition: var(--transition-smooth);
        border-left: 1px solid var(--border-subtle);
        overflow-y: auto;
        z-index: 1001;
    }

    .nav-links.open { right: 0; }
    .mobile-toggle { display: flex; }

    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .mobile-toggle.active span:nth-child(2) { opacity: 0; }
    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .nav-logo img { height: 72px; margin: -22px 0; }
    .nav-logo span { font-size: 1.05rem; }
    .navbar { padding: 0.7rem 0; }
    .navbar.scrolled { padding: 0.4rem 0; }

    .hero { padding-top: 4rem; min-height: auto; padding-bottom: 3rem; }
    .hero-badge { font-size: 0.7rem; padding: 0.35rem 0.9rem; margin-bottom: 1.5rem; }
    .hero-subtitle { font-size: 0.9rem; line-height: 1.7; margin-bottom: 2rem; }
    .hero-product img { max-height: 400px; }
    .hero-product-glow { width: 220px; height: 50px; bottom: -20px; }
    .hero-scroll-hint { display: none; }
    .hero-orb--cyan { width: 300px; height: 300px; }
    .hero-orb--indigo { width: 250px; height: 250px; }
    .hero-orb--red { width: 180px; height: 180px; }

    .how-it-works-content { grid-template-columns: 1fr; gap: 2rem; }
    .how-image-wrapper { order: -1; overflow: hidden; }
    .how-image-inner img { max-height: 450px; transform: scale(1); }

    .nir-steps { grid-template-columns: repeat(2, 1fr); }
    .nir-scene-wrapper { padding: 0.75rem; }

    .vision-content { grid-template-columns: 1fr; gap: 2rem; }
    .vision-image { order: -1; overflow: hidden; }
    .vision-image img { max-height: 400px; transform: scale(1); }

    .roadmap-timeline::before { left: 20px; }
    .roadmap-item { padding-left: 56px; }
    .roadmap-dot { left: 11px; }

    .technology-content { grid-template-columns: 1fr; gap: 2rem; }
    .tech-visual { order: -1; min-height: 240px; }
    .tech-circle { width: 200px; height: 200px; }

    .features-grid { grid-template-columns: 1fr; }
    .problem-grid { grid-template-columns: 1fr; }
    .problem-grid .problem-card:last-child { max-width: 100%; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .comparison-table { grid-template-columns: 1fr; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }

    .showcase-3d-scene { min-height: 320px; }
    .showcase-product img { max-height: 420px; }
    .showcase-ring:nth-child(1) { width: 260px; height: 260px; }
    .showcase-ring:nth-child(2),
    .showcase-ring:nth-child(3) { display: none; }

    .comparison-col-header { padding: 1.2rem 1.2rem; }
    .comparison-items { padding: 1.2rem; }

    .cta-box { padding: 2.5rem 1.2rem; }
    .cta-form { flex-direction: column; }

    .footer-content { flex-direction: column; text-align: center; }
    .footer-links { justify-content: center; flex-wrap: wrap; }
    .cursor-glow { display: none; }

    section { padding: clamp(3rem, 8vh, 5rem) 0; }
    .problem-header,
    .features-header,
    .comparison-header,
    .testimonials-header,
    .showcase-header,
    .roadmap-header,
    .faq-header { margin-bottom: 2.5rem; }

    .step { padding: 1rem; gap: 1rem; }
    .feature-card { padding: 1.5rem 1.2rem; }
    .problem-card { padding: 1.8rem 1.2rem; }
    .testimonial-card { padding: 1.5rem; }

    .problem-solution-bridge p { font-size: 1.2rem; }

    .faq-question { padding: 1rem 1.2rem; font-size: 0.92rem; }
    .faq-answer-inner { padding: 0 1.2rem 1.2rem; }
}

@media (max-width: 480px) {
    .nav-logo img { height: 56px; margin: -16px 0; }
    .nav-logo span { font-size: 0.95rem; }

    .hero-actions { flex-direction: column; width: 100%; }
    .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
    .hero-product img { max-height: 300px; }

    .stats-row { gap: 0.75rem; }
    .stat-item { padding: 1.3rem 0.75rem; }
    .stat-number { font-size: 1.5rem; }

    .nir-steps { grid-template-columns: 1fr; }
    .nir-step { padding: 1.2rem 0.75rem; }

    .how-image-inner img { max-height: 320px; }
    .vision-image img { max-height: 300px; }

    .showcase-3d-scene { min-height: 260px; }
    .showcase-product img { max-height: 320px; }
    .showcase-ring:nth-child(1) { width: 200px; height: 200px; }

    .tech-circle { width: 160px; height: 160px; }
    .tech-visual { min-height: 200px; }

    .roadmap-item { padding-left: 48px; }
    .roadmap-item-content { padding: 1rem; }
    .roadmap-dot { left: 9px; width: 16px; height: 16px; }
    .roadmap-timeline::before { left: 16px; }

    .comparison-col-header { padding: 1rem; }
    .comparison-items { padding: 1rem; gap: 0.75rem; }

    .cta-buttons { flex-direction: column; width: 100%; }
    .cta-box { padding: 2rem 1rem; }

    .vision-quote { padding: 1rem 1.2rem; }

    .footer { padding: 2rem 0; }
    .footer-links { gap: 1rem; }
}