/* ============================================
   WalkPhase Landing Page — Styles
   ============================================ */

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

:root {
    --green-deep: #166534;
    --green-mid: #15803d;
    --green-light: #22c55e;
    --green-pale: #dcfce7;
    --blue-accent: #3b82f6;
    --blue-light: #dbeafe;
    --bg-white: #ffffff;
    --bg-light: #f8fafb;
    --bg-dark: #0a0f0d;
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    --text-white: #ffffff;
    --text-white-muted: rgba(255,255,255,0.6);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --max-width: 1100px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    background: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

/* --- Layout --- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 120px 0;
}

.section-light {
    background: var(--bg-light);
}

.section-dark {
    background: var(--bg-dark);
}

.section-ss4a {
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-white) 100%);
    border-top: 1px solid rgba(22, 101, 52, 0.1);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-top: 16px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.section-body {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 720px;
    margin: 48px auto 0;
    text-align: center;
    line-height: 1.8;
}

/* --- Typography helpers --- */
.text-green { color: var(--green-deep); }
.text-muted { color: var(--text-muted); }
.text-white { color: var(--text-white); }
.text-white-muted { color: var(--text-white-muted); }
.text-warn { color: #ef4444; }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 100px;
    font-size: 0.9375rem;
    font-weight: 600;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--green-deep);
    color: white;
}

.btn-primary:hover {
    background: var(--green-mid);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(22, 101, 52, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid rgba(0,0,0,0.15);
}

.btn-secondary:hover {
    border-color: rgba(0,0,0,0.3);
    transform: translateY(-1px);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* --- Announcement Bar --- */
.announcement-bar {
    background: var(--bg-dark);
    color: white;
    padding: 10px 24px;
    font-size: 0.8125rem;
    text-align: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 101;
}

.announcement-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.announcement-badge {
    display: inline-block;
    background: var(--green-deep);
    color: white;
    font-size: 0.625rem;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 4px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.announcement-bar strong {
    font-weight: 700;
}

.announcement-link {
    color: var(--green-light) !important;
    font-weight: 600;
    white-space: nowrap;
}

.announcement-link:hover {
    text-decoration: underline;
}

/* --- Nav --- */
.nav {
    position: fixed;
    top: 38px;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: all var(--transition);
}

.nav.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.nav-logo-img {
    height: 36px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition);
}

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

.nav-cta {
    background: var(--green-deep);
    color: white !important;
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 0.8125rem !important;
}

.nav-cta:hover {
    background: var(--green-mid);
}

.nav-mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 5px;
    z-index: 102;
}

.nav-mobile-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition);
}

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

.nav-mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

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

.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.3);
    z-index: 98;
    backdrop-filter: blur(4px);
}

.nav-overlay.active {
    display: block;
}

.nav-links.mobile-open {
    display: flex !important;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 100px 32px 32px;
    gap: 8px;
    z-index: 99;
    box-shadow: -4px 0 24px rgba(0,0,0,0.1);
}

.nav-links.mobile-open a {
    padding: 12px 0;
    font-size: 1rem;
    border-bottom: 1px solid rgba(0,0,0,0.04);
}

.nav-links.mobile-open .nav-cta {
    margin-top: 16px;
    text-align: center;
    border-bottom: none;
}

/* --- Hero --- */
.hero {
    padding: 180px 0 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-headline {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.035em;
}

.hero-sub {
    font-size: 1.1875rem;
    color: var(--text-secondary);
    margin-top: 24px;
    line-height: 1.8;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    margin-top: 40px;
}

/* --- Phone mockup --- */
.phone-frame {
    width: 280px;
    margin: 0 auto;
    background: #1a1a1a;
    border-radius: 40px;
    padding: 12px;
    box-shadow:
        var(--shadow-xl),
        inset 0 0 0 2px rgba(255,255,255,0.1);
    animation: phoneFloat 6s ease-in-out infinite;
}

@keyframes phoneFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

.phone-notch {
    width: 100px;
    height: 28px;
    background: #1a1a1a;
    border-radius: 0 0 16px 16px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.phone-screen {
    background: #0d1f12;
    border-radius: 30px;
    padding: 24px 20px 32px;
    margin-top: -14px;
    position: relative;
    overflow: hidden;
}

.signal-ui {
    text-align: center;
    color: white;
}

.signal-icon-container {
    margin-bottom: 16px;
}

.walk-signal-icon {
    width: 60px;
    height: 80px;
    margin: 0 auto;
    color: var(--green-light);
    animation: walkPulse 2s ease-in-out infinite;
}

@keyframes walkPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.countdown-display {
    margin: 8px 0;
}

.countdown-number {
    font-size: 4rem;
    font-weight: 800;
    color: var(--green-light);
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.signal-label {
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--green-light);
    text-transform: uppercase;
    margin-bottom: 20px;
}

.signal-meta {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 12px;
}

.signal-meta-item {
    text-align: center;
}

.meta-label {
    display: block;
    font-size: 0.6875rem;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
}

.meta-value {
    font-size: 0.9375rem;
    font-weight: 700;
}

.signal-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 100px;
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #ef4444;
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.status-warning {
    /* already styled above */
}

/* --- Problem / Comparison --- */
.comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.comparison-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 40px 32px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform var(--transition);
}

.comparison-card:hover {
    transform: translateY(-4px);
}

.comparison-speed {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

.comparison-safe .comparison-speed { color: var(--green-deep); }
.comparison-unsafe .comparison-speed { color: #ef4444; }

.comparison-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.comparison-visual {
    margin-bottom: 24px;
}

.crossing-track {
    position: relative;
    height: 60px;
    background: #f3f4f6;
    border-radius: 8px;
    margin-bottom: 12px;
    overflow: hidden;
}

.crossing-line {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--text-muted);
}

.crossing-start { left: 10%; }
.crossing-end { right: 10%; }

.walker {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 10%;
    transition: none;
}

.walker-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
}

.comparison-safe .walker-dot { background: var(--green-deep); }
.comparison-unsafe .walker-dot { background: #ef4444; }

.crossing-timer {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

.comparison-result {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 12px;
    border-radius: var(--radius-sm);
}

.result-safe {
    background: var(--green-pale);
    color: var(--green-deep);
}

.result-unsafe {
    background: #fef2f2;
    color: #dc2626;
}

/* --- Solution --- */
.solution-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.solution-lead {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.solution-text p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.8;
}

.solution-points {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 32px;
}

.solution-point {
    font-size: 1rem;
    font-weight: 600;
    color: var(--green-deep);
    padding-left: 20px;
    position: relative;
}

.solution-point::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--green-light);
    border-radius: 50%;
}

/* --- Floating cards --- */
.floating-cards {
    position: relative;
    height: 400px;
}

.float-card {
    position: absolute;
    background: white;
    border-radius: var(--radius-md);
    padding: 20px 24px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0,0,0,0.04);
    min-width: 200px;
    backdrop-filter: blur(10px);
}

.float-card-1 {
    top: 20px;
    left: 10%;
    animation: floatCard1 8s ease-in-out infinite;
}

.float-card-2 {
    top: 140px;
    right: 5%;
    animation: floatCard2 7s ease-in-out infinite;
}

.float-card-3 {
    bottom: 40px;
    left: 20%;
    animation: floatCard3 9s ease-in-out infinite;
}

@keyframes floatCard1 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes floatCard2 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

@keyframes floatCard3 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.float-card-icon {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.float-card-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.float-card-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* --- Features Grid --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 36px 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.04);
    transition: all var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--green-pale);
    color: var(--green-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.feature-tag {
    display: inline-block;
    margin-top: 12px;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--green-deep);
    background: var(--green-pale);
    padding: 4px 10px;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* --- Metrics / Data --- */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.metric-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--green-light);
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 8px;
}

.metric-label {
    font-size: 0.8125rem;
    color: var(--text-white-muted);
    line-height: 1.5;
    margin-bottom: 16px;
}

.metric-bar {
    height: 4px;
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
    overflow: hidden;
}

.metric-bar-fill {
    height: 100%;
    background: var(--green-light);
    border-radius: 2px;
    width: 0%;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.metrics-note {
    text-align: center;
    font-size: 0.8125rem;
    color: var(--text-white-muted);
    margin-top: 40px;
    font-style: italic;
}

/* --- AI / Intelligence --- */
.ai-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.ai-card {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 40px 32px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.04);
    transition: all var(--transition);
}

.ai-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.ai-number {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--green-deep);
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.ai-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.ai-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.ai-overlay {
    margin-top: 20px;
}

.ai-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 100px;
    background: var(--green-pale);
    color: var(--green-deep);
}

.ai-tag.warn {
    background: #fef2f2;
    color: #dc2626;
}

/* --- Pilot --- */
.pilot-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    margin-bottom: 64px;
}

.pilot-points {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding-top: 16px;
}

.pilot-point {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1.0625rem;
    font-weight: 500;
}

.pilot-check {
    flex-shrink: 0;
}

.map-container {
    background: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 20px;
    aspect-ratio: 4/3;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.06);
}

.map-grid {
    width: 100%;
    height: 100%;
    position: relative;
    background:
        radial-gradient(circle at 30% 30%, rgba(22, 101, 52, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(59, 130, 246, 0.03) 0%, transparent 50%);
}

.map-street {
    position: absolute;
    background: #e5e7eb;
}

.map-street-h {
    left: 5%;
    right: 5%;
    height: 2px;
}

.map-street-v {
    top: 5%;
    bottom: 5%;
    width: 2px;
}

.map-dot {
    position: absolute;
    width: 14px;
    height: 14px;
    background: var(--green-deep);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    z-index: 2;
}

.map-dot::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: rgba(22, 101, 52, 0.2);
    animation: mapPulse 3s ease-in-out infinite;
}

@keyframes mapPulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.8); opacity: 0; }
}

.map-dot.visible {
    animation: mapDotIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes mapDotIn {
    from { transform: translate(-50%, -50%) scale(0); }
    to { transform: translate(-50%, -50%) scale(1); }
}

.pilot-results-title {
    font-size: 1.25rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 32px;
}

.pilot-results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.pilot-result-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.04);
}

.pilot-result-icon {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.pilot-result-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* --- SS4A Checklist --- */
.ss4a-checklist {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ss4a-check-item {
    display: flex;
    gap: 16px;
    padding: 20px 24px;
    background: white;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.04);
    transition: all var(--transition);
    align-items: flex-start;
}

.ss4a-check-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.ss4a-check-icon {
    flex-shrink: 0;
    margin-top: 2px;
}

.ss4a-check-item strong {
    display: block;
    font-size: 0.9375rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.ss4a-check-item p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* --- Pilot How It Works --- */
.pilot-how-layout {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.pilot-how-card {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    border: 1px solid rgba(0,0,0,0.04);
    position: relative;
}

.pilot-how-number {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--green-deep);
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.pilot-how-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.pilot-how-card p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.pilot-how-card p strong {
    color: var(--text-primary);
}

.pilot-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    padding: 32px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    margin-bottom: 64px;
    border: 1px solid rgba(0,0,0,0.04);
}

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

.pilot-stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--green-deep);
    letter-spacing: -0.02em;
}

.pilot-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 4px;
}

.pilot-stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(0,0,0,0.08);
}

/* --- Grant Pathway --- */
.pathway-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 48px;
}

.pathway-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    position: relative;
    z-index: 1;
}

.pathway-step-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #e5e7eb;
    border: 3px solid #e5e7eb;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.pathway-step.active .pathway-step-dot {
    background: var(--green-deep);
    border-color: var(--green-deep);
    box-shadow: 0 0 0 4px rgba(22, 101, 52, 0.15);
}

.pathway-step.completed .pathway-step-dot {
    background: var(--green-light);
    border-color: var(--green-light);
}

.pathway-step span {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
    transition: color 0.4s ease;
}

.pathway-step.active span,
.pathway-step.completed span {
    color: var(--green-deep);
}

.pathway-step-line {
    width: 80px;
    height: 2px;
    background: #e5e7eb;
    margin: 0 8px;
    margin-bottom: 28px;
    position: relative;
    overflow: hidden;
}

.pathway-step-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0%;
    background: var(--green-light);
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.pathway-step-line.filled::after {
    width: 100%;
}

.pathway-options {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 40px;
}

.pathway-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding: 28px 32px;
    background: white;
    border: 2px solid rgba(0, 0, 0, 0.06);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 200px;
    text-align: center;
    font-family: inherit;
    box-shadow: var(--shadow-sm);
}

.pathway-option:hover {
    border-color: rgba(22, 101, 52, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.pathway-option.active {
    border-color: var(--green-deep);
    background: linear-gradient(180deg, rgba(22, 101, 52, 0.03) 0%, rgba(22, 101, 52, 0.06) 100%);
    box-shadow: 0 4px 20px rgba(22, 101, 52, 0.12);
    transform: translateY(-2px);
}

.pathway-option-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--bg-light);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.35s ease;
}

.pathway-option.active .pathway-option-icon {
    background: var(--green-pale);
    color: var(--green-deep);
}

.pathway-option-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    line-height: 1.5;
    transition: color 0.35s ease;
}

.pathway-option.active .pathway-option-text {
    color: var(--text-primary);
}

.pathway-response {
    position: relative;
    max-width: 720px;
    margin: 0 auto 48px;
    min-height: 280px;
}

.pathway-panel {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.pathway-panel.active {
    position: relative;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.pathway-panel-inner {
    background: white;
    border-radius: var(--radius-lg);
    padding: 40px 40px 32px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.pathway-grant-type {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--green-deep);
    background: var(--green-pale);
    padding: 5px 14px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.pathway-panel-title {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.pathway-panel-list {
    list-style: none;
    margin-bottom: 24px;
}

.pathway-panel-list li {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.pathway-panel-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    width: 8px;
    height: 8px;
    background: var(--green-light);
    border-radius: 50%;
}

.pathway-panel-list li strong {
    color: var(--text-primary);
}

.pathway-callout {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: linear-gradient(135deg, rgba(22, 101, 52, 0.04) 0%, rgba(22, 101, 52, 0.08) 100%);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--green-deep);
}

.pathway-callout-icon {
    color: var(--green-deep);
    flex-shrink: 0;
}

.pathway-callout p {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--green-deep);
    line-height: 1.5;
}

.pathway-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
}

@media (max-width: 900px) {
    .pathway-options {
        flex-direction: column;
        align-items: center;
    }

    .pathway-option {
        width: 100%;
        max-width: 340px;
        flex-direction: row;
        text-align: left;
        padding: 20px 24px;
        min-width: unset;
    }

    .pathway-panel-inner {
        padding: 28px 24px;
    }

    .pathway-steps {
        gap: 0;
    }

    .pathway-step-line {
        width: 40px;
    }

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

/* --- Pricing --- */
.pricing-lead {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 48px;
}

.pricing-lead strong {
    color: var(--text-primary);
    font-weight: 700;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    position: relative;
    border: 1px solid rgba(0,0,0,0.06);
    transition: all var(--transition);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.pricing-card-featured {
    background: white;
    border: 2px solid var(--green-deep);
    box-shadow: var(--shadow-md);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 32px;
    background: var(--green-deep);
    color: white;
    font-size: 0.6875rem;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.pricing-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.pricing-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.pricing-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--green-light);
    border-radius: 50%;
}

.pricing-note {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 32px;
}

/* --- Credibility --- */
.credibility {
    text-align: center;
    padding: 48px 40px;
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0,0,0,0.06);
    box-shadow: var(--shadow-sm);
}

.credibility p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto;
}

.credibility-patent {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary) !important;
    margin-bottom: 16px;
}

.credibility-stage {
    margin-top: 16px;
    font-size: 0.875rem;
    color: var(--text-muted) !important;
    font-style: italic;
}

/* --- Contact Form --- */
.contact-form {
    max-width: 540px;
    margin: 0 auto;
    text-align: left;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid rgba(0,0,0,0.1);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9375rem;
    color: var(--text-primary);
    background: white;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--green-deep);
    box-shadow: 0 0 0 3px rgba(22, 101, 52, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.cta-email-fallback {
    margin-top: 20px;
    font-size: 0.8125rem;
    color: var(--text-muted);
    text-align: center;
}

.cta-email-fallback a {
    color: var(--green-deep);
    font-weight: 600;
}

.cta-email-fallback a:hover {
    text-decoration: underline;
}

/* --- Footer patents --- */
.footer-patents {
    margin-top: 8px;
    font-size: 0.6875rem;
    color: var(--text-muted);
}

/* --- Final CTA --- */
.section-cta {
    background: linear-gradient(180deg, var(--bg-white) 0%, var(--green-pale) 100%);
    padding: 120px 0;
}

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

.cta-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.cta-sub {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* --- Footer --- */
.footer {
    padding: 48px 0 32px;
    border-top: 1px solid rgba(0,0,0,0.06);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo-img {
    height: 28px;
    width: auto;
}

.footer-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: color var(--transition);
}

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

.footer-legal {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(0,0,0,0.04);
}

.footer-legal p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* --- Animations --- */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }

/* --- Mobile Responsive --- */
@media (max-width: 900px) {
    .announcement-bar {
        font-size: 0.6875rem;
        padding: 8px 16px;
    }

    .announcement-inner {
        gap: 6px;
    }

    .nav {
        top: 34px;
    }

    .section {
        padding: 80px 0;
    }

    .hero {
        padding: 150px 0 80px;
        min-height: auto;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }

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

    .hero-visual {
        order: -1;
    }

    .phone-frame {
        width: 240px;
    }

    .nav-links {
        display: none;
    }

    .nav-mobile-toggle {
        display: flex;
    }

    .comparison {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .solution-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .solution-visual {
        display: none;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ai-grid {
        grid-template-columns: 1fr;
    }

    .pilot-how-layout {
        grid-template-columns: 1fr;
    }

    .pilot-stats {
        flex-wrap: wrap;
        gap: 24px;
    }

    .pilot-stat-divider {
        display: none;
    }

    .pilot-results-grid {
        grid-template-columns: 1fr;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-headline {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .metrics-grid {
        grid-template-columns: 1fr;
    }

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