/* ═══════════════════════════════════════════════════════════
    PRAXIS LOOP — Design System & Styles
    "Making Order Out of AI Chaos"
    ═══════════════════════════════════════════════════════════ */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 96px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ─── CUSTOM PROPERTIES ─────────────────────────────────── */
:root {
    /* Palette — Midnight Void with Cyan Pulse and Solar Gold accents */
    --color-primary: #00D9FF;
    /* Cyan Pulse */
    --color-primary-dim: #00B8D4;
    --color-secondary: #5B7FFF;
    /* Indigo */
    --color-secondary-dim: #4A6CF7;
    --color-accent: #FFB800;
    /* Solar Gold */
    --color-accent-dim: #E6A500;

    --color-bg: #0A0E1A;
    /* Midnight Void */
    --color-bg-elevated: #0E1320;
    /* Slightly lighter */
    --color-surface: #141827;
    /* Card surface */
    --color-surface-hover: #1C2333;
    --color-text: #E8E9ED;
    /* Off-white */
    --color-text-muted: #8B8FA3;
    /* Muted grey */
    --color-text-dim: #5A5E72;

    --color-border: rgba(255, 255, 255, 0.06);
    --color-border-active: rgba(0, 217, 255, 0.3);
    --color-success: #2ED47A;
    --color-error: #FF6B6B;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    --gradient-accent: linear-gradient(135deg, var(--color-accent), #FFC933);
    --gradient-glow: radial-gradient(ellipse at center, rgba(0, 217, 255, 0.15), transparent 70%);
    --gradient-card: linear-gradient(145deg, var(--color-surface), var(--color-bg-elevated));

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-headers: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

    --text-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
    --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.9rem);
    --text-base: clamp(0.95rem, 0.9rem + 0.25vw, 1.05rem);
    --text-lg: clamp(1.1rem, 1rem + 0.5vw, 1.25rem);
    --text-xl: clamp(1.3rem, 1.1rem + 1vw, 1.75rem);
    --text-2xl: clamp(1.8rem, 1.4rem + 2vw, 2.75rem);
    --text-3xl: clamp(2.2rem, 1.6rem + 3vw, 4rem);
    --text-4xl: clamp(2.8rem, 2rem + 4vw, 5.5rem);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 5rem;
    --space-4xl: 8rem;

    /* Radii */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Shadows */
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-glow-primary: 0 0 40px rgba(0, 217, 255, 0.2);
    --shadow-glow-accent: 0 0 40px rgba(255, 184, 0, 0.15);

    /* Transitions */
    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --duration-fast: 150ms;
    --duration-normal: 300ms;
    --duration-slow: 600ms;
}

/* ─── BASE ──────────────────────────────────────────────── */
body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font: inherit;
    cursor: pointer;
    background: none;
    border: none;
    color: inherit;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-headers);
}

.skip-link {
    position: absolute;
    top: -48px;
    left: var(--space-md);
    z-index: 2000;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    background: var(--color-primary);
    color: var(--color-bg);
    font-weight: 700;
    transition: top var(--duration-fast) var(--ease-out);
}

.skip-link:focus-visible {
    top: var(--space-md);
}

a:focus-visible,
button:focus-visible,
[role='button']:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

/* ─── UTILITIES ─────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.text--accent {
    color: var(--color-primary);
}

.text--danger {
    color: var(--color-primary);
}

.trademark {
    font-size: 0.5em;
    vertical-align: super;
    color: var(--color-primary);
}

/* ─── REVEAL ANIMATION BASE ────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity var(--duration-slow) var(--ease-out),
        transform var(--duration-slow) var(--ease-out);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ═══════════════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════════════ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-lg) 0;
    transition: background var(--duration-normal) var(--ease-out),
        padding var(--duration-normal) var(--ease-out),
        backdrop-filter var(--duration-normal) var(--ease-out);
}

.nav.is-scrolled {
    background: rgba(8, 9, 14, 0.85);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border);
}

.nav__inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: var(--space-xl);
}

.nav__actions {
    display: flex;
    align-items: center;
}

.nav__actions {
    gap: var(--space-md);
    flex-shrink: 0;
    justify-self: end;
}

.nav__logo {
    display: flex;
    align-items: center;
    z-index: 10;
    flex-shrink: 0;
    justify-self: start;
}

.nav__logo-img {
    width: auto;
    height: 58px;
    object-fit: contain;
    filter: drop-shadow(0 0 8px rgba(0, 217, 255, 0.4));
}

.nav__links {
    display: flex;
    gap: clamp(1rem, 1.7vw, 2rem);
    list-style: none;
    justify-self: center;
}

.nav__links a {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    transition: color var(--duration-fast);
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.nav__links a:hover {
    color: var(--color-text);
}

.nav__links a.is-active,
.nav__links a[aria-current='true'] {
    color: var(--color-primary);
}

.nav__cta {
    font-size: var(--text-sm);
    font-weight: 600;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-sm);
    background: var(--color-primary);
    color: var(--color-bg);
    transition: all var(--duration-fast);
    letter-spacing: 0.02em;
    border: none;
    white-space: nowrap;
}

.nav__cta--secondary {
    background: var(--color-primary);
    color: var(--color-bg);
    border: none;
}

.nav__cta:hover {
    transform: translateY(-2px);
    background: var(--color-primary-dim);
}

.nav__cta--secondary:hover {
    background: var(--color-primary-dim);
    color: var(--color-bg);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    z-index: 10;
}

.nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--duration-normal) var(--ease-out);
    border-radius: 1px;
}

.nav__toggle.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav__toggle.is-active span:nth-child(2) {
    opacity: 0;
}

.nav__toggle.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(8, 9, 14, 0.95);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-normal) var(--ease-out);
}

.mobile-menu.is-open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu__links {
    list-style: none;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.mobile-menu__links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--color-text);
    transition: color var(--duration-fast);
}

.mobile-menu__links a:hover {
    color: var(--color-primary);
}

.mobile-menu__links a.mobile-menu__cta {
    display: inline-block;
    padding: var(--space-md) var(--space-2xl);
    background: var(--color-primary);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-bg);
    font-size: var(--text-lg);
}

.mobile-menu__close {
    position: absolute;
    top: calc(var(--space-lg) + env(safe-area-inset-top));
    right: var(--space-lg);
    width: 44px;
    height: 44px;
    border: 1px solid var(--color-border-active);
    border-radius: var(--radius-sm);
    color: var(--color-primary);
    font-size: 1.2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ═══════════════════════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--color-bg);
}

.hero__canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background:
        radial-gradient(ellipse 80% 60% at 50% 40%, rgba(0, 217, 255, 0.1), transparent),
        radial-gradient(ellipse 60% 50% at 30% 60%, rgba(91, 127, 255, 0.08), transparent),
        radial-gradient(ellipse 40% 30% at 70% 30%, rgba(255, 184, 0, 0.05), transparent),
        linear-gradient(to bottom, transparent 60%, var(--color-bg) 100%);
}

.hero__content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 900px;
    padding: var(--space-4xl) var(--space-xl);
}

.hero__badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-primary);
    background: rgba(0, 217, 255, 0.05);
    margin-bottom: var(--space-2xl);
    animation: fadeInDown 0.8s var(--ease-out) 0.2s both;
}

.hero__title {
    font-size: var(--text-4xl);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.8s var(--ease-out) 0.4s both;
}

.hero__title--accent {
    color: var(--color-primary);
}

.hero__title--chaos {
    position: relative;
    color: var(--color-text-muted);
}

.hero__title--chaos::after {
    content: '';
    position: absolute;
    left: -4px;
    right: -4px;
    bottom: 0.1em;
    height: 3px;
    background: var(--color-primary);
    opacity: 0.4;
    border-radius: 2px;
}

.hero__subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.6;
    animation: fadeInUp 0.8s var(--ease-out) 0.6s both;
}

.hero__actions {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s var(--ease-out) 0.8s both;
}

/* Code Block */
.code-block {
    margin-top: var(--space-3xl);
    background: rgba(20, 24, 39, 0.6);
    border: 1px solid rgba(0, 217, 255, 0.2);
    border-radius: var(--radius-md);
    overflow: hidden;
    backdrop-filter: blur(10px);
    max-width: 600px;
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.1);
    animation: fadeInUp 0.8s var(--ease-out) 1s both;
}

.code-block__header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(0, 217, 255, 0.1);
}

.code-block__dots {
    display: flex;
    gap: 6px;
}

.code-block__dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-text-dim);
}

.code-block__dots span:nth-child(1) {
    background: #FF5F57;
}

.code-block__dots span:nth-child(2) {
    background: #FFBD2E;
}

.code-block__dots span:nth-child(3) {
    background: #28CA42;
}

.code-block__title {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.code-block__content {
    padding: var(--space-lg);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--color-primary);
    line-height: 1.6;
}

.code-block__prompt {
    color: var(--color-primary);
    margin-right: var(--space-sm);
}

.code-block__typing {
    color: var(--color-text);
}

.code-block__cursor {
    display: inline-block;
    width: 8px;
    height: 1em;
    background: var(--color-primary);
    margin-left: 2px;
    animation: blink 1s step-end infinite;
}

@keyframes blink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

.hero__scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    animation: fadeInUp 0.8s var(--ease-out) 1.2s both;
}

.hero__scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    animation: scrollPulse 2s var(--ease-in-out) infinite;
}

/* ─── BUTTONS ───────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 14px 32px;
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--duration-normal) var(--ease-out);
    letter-spacing: 0.02em;
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn--primary {
    background: var(--color-primary);
    color: var(--color-bg);
}

.btn--primary:hover {
    transform: translateY(-2px);
    background: var(--color-primary-dim);
}

.btn--ghost {
    background: var(--color-primary);
    color: var(--color-bg);
}

.btn--ghost:hover {
    transform: translateY(-2px);
    background: var(--color-primary-dim);
}

.btn--large {
    padding: 18px 48px;
    font-size: var(--text-base);
    border-radius: var(--radius-md);
}

.btn__arrow {
    display: inline-block;
    transition: transform var(--duration-normal) var(--ease-out);
}

.btn:hover .btn__arrow {
    transform: translateY(3px);
}

/* ═══════════════════════════════════════════════════════════
   SECTIONS — SHARED
   ═══════════════════════════════════════════════════════════ */
.section {
    position: relative;
    padding: var(--space-4xl) 0;
    overflow: hidden;
    scroll-margin-top: 96px;
}

.section__label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.section__title {
    font-size: var(--text-3xl);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-xl);
    max-width: 700px;
}

.section__lead {
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    max-width: 580px;
    line-height: 1.6;
    margin-bottom: var(--space-3xl);
}

/* ═══════════════════════════════════════════════════════════
   PROBLEM SECTION
   ═══════════════════════════════════════════════════════════ */
.section--problem {
    background:
        radial-gradient(ellipse 60% 40% at 80% 20%, rgba(255, 107, 107, 0.04), transparent),
        var(--color-bg);
}

.section--problem .section__label,
.section--problem .section__title,
.section--problem .section__lead {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.problem-card {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    text-align: center;
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
    opacity: 0;
    transition: opacity var(--duration-normal);
}

.problem-card:hover {
    border-color: rgba(0, 217, 255, 0.15);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}

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

.problem-card__icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-lg);
    color: var(--color-text-muted);
}

.problem-card__stat {
    font-size: var(--text-3xl);
    font-weight: 900;
    color: var(--color-primary);
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.problem-card__label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.problem-card__desc {
    font-size: var(--text-sm);
    color: var(--color-text-dim);
    line-height: 1.5;
}

/* Insight callout */
.problem-insight {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-xl) var(--space-2xl);
    background: linear-gradient(135deg, rgba(91, 127, 255, 0.08), rgba(255, 184, 0, 0.04));
    border: 1px solid var(--color-border-active);
    border-radius: var(--radius-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.problem-insight__icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.problem-insight__text {
    font-size: var(--text-base);
    color: var(--color-text);
    line-height: 1.5;
}

.problem-insight__text strong {
    color: var(--color-primary);
}

/* ═══════════════════════════════════════════════════════════
   SHIFT SECTION
   ═══════════════════════════════════════════════════════════ */
.section--shift {
    background:
        radial-gradient(ellipse 50% 40% at 20% 50%, rgba(91, 127, 255, 0.04), transparent),
        var(--color-bg);
}

.section--shift .section__label,
.section--shift .section__title,
.section--shift .section__lead {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.shift-visual {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-2xl);
    align-items: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.shift-before,
.shift-after {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: var(--gradient-card);
}

.shift-before {
    border-color: rgba(0, 217, 255, 0.15);
}

.shift-after {
    border-color: rgba(0, 217, 255, 0.15);
}

.shift-label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-primary);
    padding: var(--space-xs) var(--space-md);
    border: 1px solid currentColor;
    border-radius: 100px;
    opacity: 0.7;
}

.shift-label--success {
    color: var(--color-primary);
}

.shift-icon {
    width: 120px;
    height: 120px;
    margin: var(--space-md) 0;
}

.shift-icon--chaos {
    animation: subtleShake 4s var(--ease-in-out) infinite;
}

.shift-desc {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-align: center;
}

.shift-desc--success {
    color: var(--color-text);
}

.shift-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-muted);
}

.shift-arrow span {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-primary);
}

.shift-arrow svg {
    width: 80px;
}

/* ═══════════════════════════════════════════════════════════
   METHODOLOGY SECTION
   ═══════════════════════════════════════════════════════════ */
.section--methodology {
    background:
        radial-gradient(ellipse 50% 30% at 50% 10%, rgba(0, 217, 255, 0.08), transparent),
        radial-gradient(ellipse 40% 25% at 20% 60%, rgba(91, 127, 255, 0.06), transparent),
        var(--color-bg);
}

.section--methodology .section__title {
    text-align: center;
    max-width: 100%;
}

.section--methodology .section__label,
.section--methodology .section__lead {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.methodology-timeline {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
    max-width: 1000px;
    margin: 0 auto;
}

.method-step {
    position: relative;
    padding: var(--space-2xl);
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--duration-normal) var(--ease-out);
    overflow: hidden;
}

.method-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-primary);
    opacity: 0;
    transition: opacity var(--duration-normal);
}

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

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

.method-step__number {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
    opacity: 0.6;
}

.method-step__content {
    position: relative;
}

.method-step__icon {
    width: 56px;
    height: 56px;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.method-step__title {
    font-size: var(--text-xl);
    font-weight: 700;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-xs);
    color: var(--color-primary);
}

.method-step__tagline {
    font-size: var(--text-sm);
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.method-step__desc {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
}

.method-step__desc strong {
    color: var(--color-text);
}

/* Method step progressive disclosure */
.method-step__details {
    margin-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-md);
}

.method-step__expand {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-primary);
    cursor: pointer;
    letter-spacing: 0.05em;
    list-style: none;
    padding: var(--space-sm) 0;
}

.method-step__expand::-webkit-details-marker {
    display: none;
}

.method-step__expand::before {
    content: '+ ';
    color: var(--color-primary);
}

.method-step__details[open] .method-step__expand::before {
    content: '− ';
}

.method-step__detail-content {
    padding-top: var(--space-md);
}

.method-step__detail-content p {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: var(--space-sm);
}

.method-step__detail-content p:last-child {
    margin-bottom: 0;
}

.method-step__detail-content p strong {
    color: var(--color-primary);
    font-size: var(--text-xs);
    font-family: var(--font-mono);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ═══════════════════════════════════════════════════════════
   RESULTS SECTION
   ═══════════════════════════════════════════════════════════ */
.section--results {
    background:
        radial-gradient(ellipse 60% 40% at 50% 30%, rgba(255, 184, 0, 0.06), transparent),
        radial-gradient(ellipse 50% 35% at 80% 70%, rgba(0, 217, 255, 0.04), transparent),
        var(--color-bg);
}

.section--results .section__title,
.section--results .section__label,
.section--results .section__lead {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}


/* Transparency Cards ("What We Don't Claim") */
.transparency-cards {
    max-width: 800px;
    margin: 0 auto var(--space-3xl);
}

.transparency-cards__title {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    text-align: center;
    margin-bottom: var(--space-xl);
}

.transparency-cards__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.transparency-card {
    padding: var(--space-lg) var(--space-md);
    background: var(--gradient-card);
    border: 1px solid rgba(0, 217, 255, 0.12);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--duration-normal) var(--ease-out);
}

.transparency-card:hover {
    border-color: rgba(0, 217, 255, 0.3);
}

.transparency-card__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    margin: 0 auto var(--space-md);
    border-radius: 50%;
    background: rgba(0, 217, 255, 0.12);
    font-size: 1.75rem;
    color: var(--color-primary);
    font-weight: 700;
    line-height: 1;
}

.transparency-card__text {
    font-size: var(--text-sm);
    color: var(--color-text);
    font-weight: 600;
    line-height: 1.5;
}

.transparency-cards__footer {
    font-size: var(--text-base);
    color: var(--color-text);
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Projection Hero Number */
.projection-hero {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
    padding: var(--space-3xl) var(--space-2xl);
    background: var(--gradient-card);
    border: 1px solid rgba(255, 184, 0, 0.15);
    border-radius: var(--radius-lg);
}

.projection-hero__number {
    font-family: var(--font-headers);
    font-size: var(--text-4xl);
    font-weight: 900;
    color: var(--color-accent);
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-md);
}

.projection-hero__unit {
    font-size: 0.4em;
    font-weight: 600;
    opacity: 0.7;
    vertical-align: baseline;
}

.projection-hero__label {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--space-2xl);
}

.projection-hero__inputs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.projection-input {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.projection-input__value {
    font-family: var(--font-headers);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-text);
}

.projection-input__label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
}

.projection-input__times {
    font-size: var(--text-lg);
    color: var(--color-text-dim);
    font-weight: 300;
}

.projection-hero__disclaimer {
    font-size: var(--text-xs);
    color: var(--color-text-dim);
    font-style: italic;
    max-width: 500px;
    margin: 0 auto;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

/* Before/After comparison */
.comparison {
    max-width: 900px;
    margin: 0 auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--gradient-card);
}

.comparison__header {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.02);
}

.comparison__label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.comparison__label--before {
    color: var(--color-primary);
    opacity: 0.7;
}

.comparison__label--after {
    color: var(--color-primary);
    text-align: right;
}

.comparison__row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--color-border);
    align-items: center;
    transition: background var(--duration-fast);
}

.comparison__row:last-child {
    border-bottom: none;
}

.comparison__row:hover {
    background: rgba(255, 255, 255, 0.015);
}

.comparison__before {
    font-size: var(--text-sm);
    color: var(--color-text-dim);
    text-decoration: line-through;
    text-decoration-color: rgba(0, 217, 255, 0.3);
}

.comparison__metric {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-text-muted);
    text-align: center;
    padding: 0 var(--space-xl);
    letter-spacing: 0.05em;
}

.comparison__after {
    font-size: var(--text-sm);
    color: var(--color-text);
    font-weight: 500;
    text-align: right;
}

/* ═══════════════════════════════════════════════════════════
   DELIVERABLES SECTION
   ═══════════════════════════════════════════════════════════ */
.section--deliverables {
    background:
        radial-gradient(ellipse 50% 40% at 30% 50%, rgba(91, 127, 255, 0.04), transparent),
        var(--color-bg);
}

.section--deliverables .section__title {
    text-align: center;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.section--deliverables .section__label {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.deliverables-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.deliverable-card {
    position: relative;
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--duration-normal) var(--ease-out);
    overflow: hidden;
    text-align: center;
}

.deliverable-card__glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(0, 217, 255, 0.1), transparent 50%);
    opacity: 0;
    transition: opacity var(--duration-slow);
    pointer-events: none;
}

.deliverable-card:hover .deliverable-card__glow {
    opacity: 1;
}

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

.deliverable-card__icon {
    width: 48px;
    height: 48px;
    color: var(--color-text-muted);
    margin: 0 auto var(--space-lg);
}

.deliverable-card__title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-md);
    letter-spacing: -0.01em;
}

.deliverable-card__desc {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
}

.deliverable-card__desc strong {
    color: var(--color-text);
}

.deliverable-card__artifacts {
    margin-top: var(--space-sm);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    line-height: 1.6;
    opacity: 0.8;
}

.deliverable-card__artifacts strong {
    color: var(--color-text);
}

.fee-note {
    text-align: center;
    padding: var(--space-xl) var(--space-2xl);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: rgba(0, 217, 255, 0.03);
    max-width: 500px;
    margin: 0 auto;
}

.fee-note p {
    font-size: var(--text-base);
    color: var(--color-text-muted);
}

.fee-note strong {
    color: var(--color-primary);
}


/* ═══════════════════════════════════════════════════════════
   CTA SECTION
   ═══════════════════════════════════════════════════════════ */
.section--cta {
    padding: var(--space-4xl) 0;
    position: relative;
    background: var(--color-bg);
    text-align: center;
}

.cta__glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(0, 217, 255, 0.12), rgba(91, 127, 255, 0.08), transparent 70%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content .section__title {
    max-width: 100%;
    text-align: center;
}

.cta-content .section__label {
    text-align: center;
}

.cta-content .section__lead {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    max-width: 600px;
}

/* Assessment Features (CTA Section) */
.assessment-features {
    margin-bottom: var(--space-2xl);
}

.assessment-features__title {
    font-family: var(--font-headers);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-xl);
}

.assessment-features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    text-align: left;
}

.assessment-feature {
    padding: var(--space-xl);
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--duration-normal) var(--ease-out);
}

.assessment-feature:hover {
    border-color: var(--color-border-active);
}

.assessment-feature__icon {
    width: 32px;
    height: 32px;
    margin-bottom: var(--space-md);
    color: var(--color-primary);
}

.assessment-feature__icon svg {
    width: 100%;
    height: 100%;
}

.assessment-feature__text {
    font-size: var(--text-base);
    color: var(--color-text-muted);
    line-height: 1.6;
}

.assessment-features__note {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-text-dim);
    letter-spacing: 0.05em;
}

.cta-promises {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.cta-promise {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.cta-promise svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.cta-subtext {
    margin-top: var(--space-lg);
    font-size: var(--text-xs);
    color: var(--color-text-dim);
    font-style: italic;
}

.cta-next-step {
    margin-top: var(--space-lg);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.mobile-sticky-cta {
    position: fixed;
    left: var(--space-lg);
    right: var(--space-lg);
    bottom: calc(var(--space-md) + env(safe-area-inset-bottom));
    z-index: 950;
    display: none;
    justify-content: center;
    align-items: center;
    min-height: 44px;
    border-radius: var(--radius-sm);
    background: var(--color-primary);
    color: var(--color-bg);
    font-weight: 700;
}

body.is-cta-visible .mobile-sticky-cta {
    opacity: 0;
    pointer-events: none;
}

/* ═══════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════ */
.footer {
    border-top: 1px solid var(--color-border);
    padding: var(--space-3xl) 0;
    background: var(--color-bg);
}

.footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-xl);
}

.footer__brand {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.footer__logo-img {
    width: 72px;
    height: 72px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(0, 217, 255, 0.3));
}

.footer__brand-copy {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.footer__name {
    font-weight: 700;
    font-size: var(--text-base);
}

.footer__tagline {
    color: var(--color-text-dim);
    font-size: var(--text-xs);
    margin-left: 0;
}

.footer__links a {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    transition: color var(--duration-fast);
}

.footer__links a:hover {
    color: var(--color-primary);
}

.footer__copy p {
    font-size: var(--text-xs);
    color: var(--color-text-dim);
}

/* ═══════════════════════════════════════════════════════════
   KEYFRAMES
   ═══════════════════════════════════════════════════════════ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scrollPulse {

    0%,
    100% {
        opacity: 0.3;
        transform: scaleY(0.6);
        transform-origin: top;
    }

    50% {
        opacity: 1;
        transform: scaleY(1);
    }
}



@keyframes subtleShake {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    10% {
        transform: translate(-2px, 1px) rotate(-0.5deg);
    }

    20% {
        transform: translate(2px, -1px) rotate(0.5deg);
    }

    30% {
        transform: translate(-1px, 2px) rotate(-0.3deg);
    }

    40% {
        transform: translate(1px, -2px) rotate(0.3deg);
    }

    50% {
        transform: translate(0, 0) rotate(0deg);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-8px);
    }
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */

/* ─── Tablet (768px) ───────────────────────────────────── */
@media (max-width: 1180px) {
    .nav__logo-img {
        height: 54px;
    }

    .nav__cta--secondary {
        display: none;
    }
}

@media (max-width: 980px) {
    .nav__inner {
        grid-template-columns: auto 1fr auto;
    }

    .nav__links {
        display: none;
    }

    .nav__cta {
        display: none;
    }

    .nav__toggle {
        display: flex;
    }

    .methodology-timeline {
        grid-template-columns: 1fr;
        max-width: 600px;
    }

    .problem-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }

    .deliverables-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }

    .transparency-cards__grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    .assessment-features__grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }

    .projection-hero__inputs {
        gap: var(--space-md);
    }

    .shift-visual {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .shift-arrow {
        transform: rotate(90deg);
    }

    .shift-arrow svg {
        width: 60px;
    }

    .comparison__before,
    .comparison__after {
        font-size: var(--text-xs);
    }

    .comparison__metric {
        padding: 0 var(--space-md);
        font-size: 0.65rem;
    }
}

@media (max-width: 768px) {
    .nav__inner {
        grid-template-columns: auto 1fr auto;
        padding: 0 var(--space-lg);
    }

    .nav__logo-img {
        height: 50px;
    }

    .container {
        padding: 0 var(--space-lg);
    }

    .section {
        padding: var(--space-3xl) 0;
    }

    .hero__content {
        padding: var(--space-3xl) var(--space-lg);
    }

    .hero__actions {
        flex-direction: column;
        align-items: center;
    }

    .cta-promises {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }

    .footer__inner {
        flex-direction: column;
        text-align: center;
    }

    .footer__brand {
        flex-direction: column;
    }

    .footer__brand-copy {
        align-items: center;
    }

    .footer__tagline {
        margin-left: 0;
    }

    .projection-hero {
        padding: var(--space-2xl) var(--space-lg);
    }

    .projection-hero__number {
        font-size: var(--text-3xl);
    }

    .comparison__header {
        padding: var(--space-md);
    }

    .comparison__row {
        padding: var(--space-md);
    }

    .mobile-sticky-cta {
        display: inline-flex;
    }
}

@media (max-width: 480px) {
    .nav__logo-img {
        height: 46px;
    }

    .hero__title {
        font-size: var(--text-3xl);
    }

    .section__title {
        font-size: var(--text-2xl);
    }

    .problem-card__stat {
        font-size: var(--text-2xl);
    }

}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms;
        animation-iteration-count: 1;
        transition-duration: 0.001ms;
    }

    .hero__badge,
    .hero__title,
    .hero__subtitle,
    .hero__actions,
    .code-block,
    .hero__scroll-indicator,
    .shift-icon--chaos,
    .code-block__cursor,
    .hero__scroll-line {
        animation: none;
    }

    .btn--primary:hover,
    .problem-card:hover,
    .method-step:hover,
    .deliverable-card:hover {
        transform: none;
    }
}