/* Theme Tokens */
:root {
    --color-bg: #050506;
    --color-surface: #0f0f11;
    --color-surface-elevated: #17171b;
    --color-surface-soft: #1f1f24;
    --color-border: #242428;
    --color-border-subtle: rgba(255, 255, 255, 0.06);
    --color-primary: #00d4ff;
    --color-primary-soft: rgba(0, 212, 255, 0.2);
    --color-primary-strong: #33ddff;
    --color-text: #f5f5f7;
    --color-muted: #9a9aa4;
    --color-inverse: #050506;
    --font-body: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: "Space Grotesk", "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
    --radius-lg: 18px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --shadow-lg: 0 32px 80px rgba(0, 0, 0, 0.55);
    --shadow-md: 0 20px 50px rgba(0, 0, 0, 0.45);
    --shadow-sm: 0 12px 32px rgba(0, 0, 0, 0.35);
    --transition: 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

::selection {
    color: var(--color-inverse);
    background: var(--color-primary);
}

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

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

p {
    margin-bottom: 1.2rem;
    color: var(--color-muted);
}

p:last-child {
    margin-bottom: 0;
}

ul {
    margin-bottom: 1.2rem;
    color: var(--color-muted);
}

li {
    margin-bottom: 0.75rem;
}

h1, h2, h3 {
    color: var(--color-text);
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.01em;
    margin-bottom: 1rem;
}

h2 {
    font-size: clamp(2.2rem, 4vw, 3rem);
    text-align: center;
    margin-bottom: 2.5rem;
}

h3 {
    font-size: 1.4rem;
}

section, header {
    position: relative;
    padding: min(10vw, 120px) 0;
}

.container {
    width: min(1120px, 90vw);
    margin: 0 auto;
}

button, .signup-form button {
    border: none;
    outline: none;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
    font-family: var(--font-body);
}

/* Hero */
.hero {
    background: radial-gradient(120% 120% at 20% -10%, rgba(0, 212, 255, 0.22), transparent 60%), var(--color-bg);
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(55% 55% at 85% 10%, rgba(0, 212, 255, 0.16), transparent 65%);
    opacity: 0.9;
    pointer-events: none;
}

.hero-layout {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: 72px;
    align-items: center;
}

.hero-copy {
    max-width: 620px;
}

.hero-kicker {
    font-size: 0.85rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: 1.5rem;
}

.hero-kicker span {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 6px 16px;
    border-radius: 999px;
    border: 1px solid rgba(0, 212, 255, 0.45);
    background: rgba(0, 212, 255, 0.12);
    color: var(--color-primary-strong);
}

.hero-title {
    font-size: clamp(3rem, 6vw, 4.75rem);
    margin-bottom: 1rem;
    text-wrap: balance;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-muted);
    max-width: 520px;
}

.hero-intro {
    font-size: 1.05rem;
    color: rgba(245, 245, 247, 0.9);
}

.hero-intro strong {
    color: var(--color-primary-strong);
}

.hero-quote {
    margin: 2.25rem 0;
    padding-left: 1.75rem;
    border-left: 2px solid rgba(0, 212, 255, 0.45);
    font-style: italic;
    color: rgba(245, 245, 247, 0.75);
}

.signup-form {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 2.5rem;
}

.signup-form input[type="email"] {
    flex: 1;
    min-width: 240px;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface-elevated);
    color: var(--color-text);
    font-size: 1rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.signup-form input[type="email"]::placeholder {
    color: rgba(245, 245, 247, 0.45);
}

.signup-form input[type="email"]:focus {
    border-color: var(--color-primary-strong);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
}

.signup-form button {
    padding: 14px 30px;
    border-radius: var(--radius-md);
    background: var(--color-primary);
    color: var(--color-inverse);
    font-weight: 600;
    letter-spacing: 0.01em;
    box-shadow: var(--shadow-sm);
}

.signup-form button:hover {
    transform: translateY(-2px);
    background: var(--color-primary-strong);
    box-shadow: var(--shadow-md);
}

.signup-benefits {
    margin-top: 1.25rem;
    color: rgba(245, 245, 247, 0.7);
    font-size: 0.95rem;
}

/* Info notice styles */
.info-notice {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.info-notice p {
    margin: 0.75rem 0;
    color: var(--color-text);
}

.info-notice p:first-child {
    margin-top: 0;
}

.info-notice p:last-child {
    margin-bottom: 0;
}

.info-notice a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

.info-notice a:hover {
    color: var(--color-primary-strong);
    text-decoration: underline;
}

/* Signup message styles */
.signup-message {
    margin-top: 1rem;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.signup-message.show {
    opacity: 1;
    transform: translateY(0);
}

.signup-message-success {
    background: rgba(52, 211, 153, 0.15);
    border: 1px solid rgba(52, 211, 153, 0.3);
    color: #6ee7b7;
}

.signup-message-error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.hero-card {
    background: rgba(15, 15, 17, 0.75);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px 34px;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(12px);
}

.hero-card-title {
    font-size: 1.35rem;
    margin-bottom: 1.5rem;
}

.hero-card-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.hero-card-list li {
    position: relative;
    padding-left: 1.5rem;
    color: rgba(245, 245, 247, 0.8);
}

.hero-card-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.65rem;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.15);
}

/* Sections */
.problem-section {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.section-intro {
    text-align: center;
    max-width: 540px;
    margin: 0 auto 3rem;
    color: var(--color-muted);
}

.problem-grid {
    display: grid;
    gap: 28px;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.problem-card {
    background: var(--color-surface-elevated);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    padding: 28px;
    transition: transform var(--transition), border-color var(--transition);
}

.problem-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 212, 255, 0.45);
}

.problem-card .icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-bottom: 1rem;
    border-radius: 50%;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-weight: 600;
}

.problem-highlight {
    margin-top: 3rem;
    padding: 1.75rem 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 212, 255, 0.35);
    background: rgba(0, 212, 255, 0.12);
}

.problem-highlight p {
    color: rgba(245, 245, 247, 0.85);
}

.how-it-works {
    background: var(--color-bg);
}

.features-grid {
    display: grid;
    gap: 28px;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.feature-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: 32px;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: var(--shadow-md);
}

.feature-number {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-inverse);
    font-weight: 600;
    margin-bottom: 1.2rem;
}

.feature-card p {
    color: rgba(245, 245, 247, 0.8);
}

.feature-points {
    list-style: none;
    margin-top: 1.2rem;
    padding-left: 0;
    display: grid;
    gap: 0.65rem;
}

.feature-points li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0;
}

.feature-points li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 10px;
    height: 2px;
    background: var(--color-primary);
}

.use-cases {
    background: var(--color-surface-elevated);
}

.use-case-grid {
    display: grid;
    gap: 28px;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.use-case-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    padding: 28px;
    transition: transform var(--transition), border-color var(--transition);
}

.use-case-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 212, 255, 0.45);
}

.check-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    margin-bottom: 1rem;
    border-radius: 50%;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-weight: 600;
}

.comparison {
    background: var(--color-surface);
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface-elevated);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.comparison-table th,
.comparison-table td {
    padding: 18px 24px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.comparison-table thead th {
    font-size: 0.95rem;
    font-weight: 600;
    color: rgba(245, 245, 247, 0.9);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.comparison-table tbody td {
    color: rgba(245, 245, 247, 0.8);
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.comparison-table strong {
    color: var(--color-primary-strong);
}

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

.audience-grid {
    display: grid;
    gap: 28px;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.audience-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 28px;
    border: 1px solid var(--color-border);
    transition: transform var(--transition), border-color var(--transition);
}

.audience-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 212, 255, 0.45);
}

.philosophy {
    background: var(--color-surface);
}

.philosophy blockquote {
    font-size: 1.15rem;
    line-height: 1.8;
    background: var(--color-surface-elevated);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    color: rgba(245, 245, 247, 0.85);
    margin-bottom: 2.25rem;
}

.beliefs {
    margin-bottom: 2rem;
}

.beliefs ul {
    list-style: none;
    display: grid;
    gap: 0.75rem;
    padding-left: 0;
}

.beliefs li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0;
    color: rgba(245, 245, 247, 0.82);
}

.beliefs li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 10px;
    height: 10px;
    border-radius: 2px;
    background: var(--color-primary);
}

.philosophy-conclusion {
    color: rgba(245, 245, 247, 0.78);
}

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

.faq-grid {
    display: grid;
    gap: 24px;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.faq-item {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    padding: 24px 26px;
    transition: transform var(--transition), border-color var(--transition);
}

.faq-item:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 212, 255, 0.45);
}

.faq-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
}

.final-cta {
    background: linear-gradient(125deg, rgba(0, 212, 255, 0.22), rgba(0, 212, 255, 0.05));
    border-top: 1px solid rgba(0, 212, 255, 0.35);
    border-bottom: 1px solid rgba(0, 212, 255, 0.35);
    text-align: center;
}

.final-cta .container {
    max-width: 620px;
}

.final-cta h2 {
    margin-bottom: 1rem;
}

.cta-subtitle {
    margin-bottom: 2rem;
    color: rgba(245, 245, 247, 0.82);
}

.final-cta .signup-form {
    justify-content: center;
    margin-top: 0;
}

.final-cta .signup-form input[type="email"] {
    background: rgba(0, 0, 0, 0.4);
}

.final-cta .signup-form button {
    box-shadow: var(--shadow-md);
}

.footer {
    background: #000000;
    border-top: 1px solid var(--color-border);
    text-align: center;
    padding: 40px 0 48px;
}

.footer p {
    color: rgba(245, 245, 247, 0.75);
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(245, 245, 247, 0.85);
    margin: 0 12px;
}

.footer-links a:hover {
    color: var(--color-primary-strong);
}

.success-message {
    display: none;
    margin-top: 1rem;
    padding: 16px 18px;
    border-radius: var(--radius-md);
    background: rgba(56, 142, 60, 0.25);
    border: 1px solid rgba(56, 142, 60, 0.45);
    color: #9de2a0;
}

.success-message.show {
    display: block;
}

/* Status Badges (for layer cards) */
.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.status-badge.in-development {
    background: rgba(255, 193, 7, 0.2);
    border: 1px solid rgba(255, 193, 7, 0.4);
    color: #ffd54f;
}

.status-badge.planned {
    background: rgba(33, 150, 243, 0.2);
    border: 1px solid rgba(33, 150, 243, 0.4);
    color: #64b5f6;
}

.status-badge.future {
    background: rgba(156, 39, 176, 0.2);
    border: 1px solid rgba(156, 39, 176, 0.4);
    color: #ba68c8;
}

.status-badge.architecture-complete {
    background: rgba(76, 175, 80, 0.2);
    border: 1px solid rgba(76, 175, 80, 0.4);
    color: #81c784;
}

/* Status Box (hero section) */
.status-box {
    margin-top: 2rem;
    padding: 1.75rem;
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.status-box h3 {
    font-size: 1.1rem;
    margin-bottom: 1.25rem;
    color: var(--color-primary-strong);
}

.status-grid-compact {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.status-item-compact {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    transition: transform var(--transition);
}

.status-item-compact:hover {
    transform: translateX(4px);
}

.status-item-compact.completed {
    background: rgba(76, 175, 80, 0.1);
    border-left: 3px solid #4CAF50;
}

.status-item-compact.in-progress {
    background: rgba(255, 193, 7, 0.1);
    border-left: 3px solid #FFC107;
}

.status-item-compact.planned {
    background: rgba(33, 150, 243, 0.1);
    border-left: 3px solid #2196F3;
}

.status-item-compact .status-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.status-item-compact .status-content {
    flex: 1;
}

.status-item-compact .status-label {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.25rem;
    display: block;
}

.status-item-compact .status-detail {
    font-size: 0.9rem;
    color: var(--color-muted);
    margin: 0;
}

/* Progress Bar */
.progress-bar-container {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 10px;
    overflow: hidden;
    height: 40px;
}

.progress-bar {
    background: linear-gradient(90deg, #4CAF50, #45a049);
    padding: 0.75rem 1rem;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    height: 100%;
    display: flex;
    align-items: center;
    transition: width 0.6s ease;
}

/* Waitlist CTA */
.waitlist-cta {
    margin-top: 2.5rem;
}

.waitlist-cta h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.waitlist-cta p {
    margin-bottom: 1.5rem;
    color: var(--color-muted);
}

/* Waitlist Form */
.waitlist-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.waitlist-form input[type="email"],
.waitlist-form select {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface-elevated);
    color: var(--color-text);
    font-size: 1rem;
    font-family: var(--font-body);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.waitlist-form input[type="email"]:focus,
.waitlist-form select:focus {
    outline: none;
    border-color: var(--color-primary-strong);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
}

.waitlist-form select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239a9aa4' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 44px;
    cursor: pointer;
}

.waitlist-form select option {
    background: var(--color-surface-elevated);
    color: var(--color-text);
}

.waitlist-checkbox {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
}

.waitlist-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.waitlist-checkbox label {
    color: var(--color-muted);
    cursor: pointer;
    font-size: 0.95rem;
}

.waitlist-form button {
    padding: 14px 30px;
    border-radius: var(--radius-md);
    background: var(--color-primary);
    color: var(--color-inverse);
    font-weight: 600;
    letter-spacing: 0.01em;
    box-shadow: var(--shadow-sm);
    font-size: 1rem;
}

.waitlist-form button:hover {
    transform: translateY(-2px);
    background: var(--color-primary-strong);
    box-shadow: var(--shadow-md);
}

.waitlist-form button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.waitlist-form-note {
    font-size: 0.85rem;
    color: rgba(245, 245, 247, 0.8);
    margin-top: 0.5rem;
}

/* Large Waitlist Form (final CTA) */
.waitlist-form-large {
    max-width: 540px;
    margin: 0 auto;
}

/* Waitlist Button (Google Forms link styled as button) */
.waitlist-button {
    display: inline-block;
    padding: 14px 30px;
    border-radius: var(--radius-md);
    background: var(--color-primary);
    color: var(--color-inverse);
    font-weight: 600;
    letter-spacing: 0.01em;
    box-shadow: var(--shadow-sm);
    font-size: 1rem;
    text-decoration: none;
    transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.waitlist-button:hover {
    transform: translateY(-2px);
    background: var(--color-primary-strong);
    box-shadow: var(--shadow-md);
    color: var(--color-inverse);
}

.waitlist-button-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

/* Market Opportunity Section */
.market-opportunity {
    background: var(--color-bg);
}

.market-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    margin-top: 2.5rem;
}

.market-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: 2rem;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.market-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: var(--shadow-md);
}

.market-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.market-size {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary-strong);
    margin: 1rem 0;
    line-height: 1;
}

.market-card p {
    color: rgba(245, 245, 247, 0.8);
}

.market-drivers {
    margin-top: 3rem;
}

.market-drivers h3 {
    text-align: center;
    margin-bottom: 2rem;
}

.drivers-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.driver-card {
    background: var(--color-surface-elevated);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    padding: 1.5rem;
}

.driver-card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.driver-card p {
    font-size: 0.95rem;
    color: var(--color-muted);
    margin: 0;
}

/* GTM Strategy Section */
.gtm-strategy {
    background: var(--color-surface);
}

.gtm-intro {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 3rem;
    color: var(--color-muted);
}

.gtm-grid {
    display: grid;
    gap: 2rem;
    margin-bottom: 3rem;
}

.gtm-card {
    background: var(--color-surface-elevated);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.gtm-card.primary {
    border: 2px solid #4CAF50;
    box-shadow: 0 0 0 4px rgba(76, 175, 80, 0.15);
}

.gtm-card.secondary {
    border: 1px solid var(--color-border);
}

.gtm-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.gtm-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

.gtm-card h3 {
    font-size: 1.4rem;
    margin-bottom: 0;
}

.gtm-badge {
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.gtm-badge.primary-badge {
    background: rgba(76, 175, 80, 0.2);
    border: 1px solid rgba(76, 175, 80, 0.4);
    color: #81c784;
}

.gtm-badge.secondary-badge {
    background: rgba(33, 150, 243, 0.2);
    border: 1px solid rgba(33, 150, 243, 0.4);
    color: #64b5f6;
}

.gtm-card p {
    color: rgba(245, 245, 247, 0.8);
    margin-bottom: 1.5rem;
}

.gtm-details {
    display: grid;
    gap: 1.25rem;
}

.gtm-detail-item h4 {
    font-size: 1rem;
    color: var(--color-primary-strong);
    margin-bottom: 0.5rem;
}

.gtm-detail-item p {
    font-size: 0.95rem;
    color: var(--color-muted);
    margin: 0;
}

.gtm-detail-item ul {
    list-style: none;
    padding-left: 0;
    margin: 0.5rem 0 0 0;
}

.gtm-detail-item li {
    position: relative;
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--color-muted);
    font-size: 0.95rem;
}

.gtm-detail-item li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 600;
}

.expansion-roadmap {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.expansion-roadmap h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.roadmap-phases {
    display: grid;
    gap: 1.5rem;
}

.roadmap-phase {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.phase-number {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-inverse);
    font-weight: 700;
    font-size: 1.1rem;
}

.phase-content h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.phase-content p {
    font-size: 0.95rem;
    color: var(--color-muted);
    margin: 0;
}

/* Moat/Defensibility Section */
.moat-section {
    background: var(--color-bg);
}

.moat-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.moat-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: 2rem;
    transition: transform var(--transition), border-color var(--transition);
}

.moat-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 212, 255, 0.45);
}

.moat-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: 1.25rem;
    border-radius: 12px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-size: 1.5rem;
}

.moat-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.moat-card p {
    color: rgba(245, 245, 247, 0.8);
}

/* Responsive */
@media (max-width: 1100px) {
    .hero-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero-card {
        max-width: 520px;
    }
}

@media (max-width: 768px) {
    section, header {
        padding: 70px 0;
    }

    .hero-title {
        font-size: clamp(2.5rem, 8vw, 3.5rem);
    }

    .signup-form {
        flex-direction: column;
        align-items: stretch;
    }

    .signup-form button,
    .signup-form input[type="email"] {
        width: 100%;
    }

    .hero-card {
        padding: 26px;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 16px 18px;
    }
}

@media (max-width: 540px) {
    h2 {
        font-size: 2rem;
    }

    .hero-kicker span {
        letter-spacing: 0.18em;
    }

    .hero-quote {
        margin: 2rem 0 1.75rem;
    }

    .feature-card,
    .use-case-card,
    .audience-card,
    .faq-item {
        padding: 24px;
    }
}