/* ============================================
   Taxclaw Landing Page — Clean, Professional
   ============================================ */

:root {
    --bg: #ffffff;
    --bg-alt: #f8f9fb;
    --bg-dark: #0f1117;
    --text: #1a1a2e;
    --text-muted: #6b7280;
    --text-light: #9ca3af;
    --accent: #0d9488;
    --accent-light: #14b8a6;
    --accent-bg: #f0fdfa;
    --border: #e5e7eb;
    --border-light: #f3f4f6;
    --card-bg: #ffffff;
    --card-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --card-shadow-hover: 0 10px 25px rgba(0,0,0,0.08);
    --radius: 12px;
    --radius-lg: 20px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --max-width: 1140px;
    --transition: 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

/* ---- Navigation ---- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.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-logo {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
}

.logo-icon {
    color: var(--accent);
    font-size: 1.1rem;
    font-weight: 700;
}

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

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
}

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

.nav-cta {
    background: var(--accent);
    color: #fff;
    padding: 8px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: background var(--transition);
}

.nav-cta:hover {
    background: var(--accent-light);
}

.lang-switcher {
    background: var(--bg-alt);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 6px 28px 6px 10px;
    font-size: 0.85rem;
    font-family: var(--font);
    font-weight: 500;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    transition: var(--transition);
}

.lang-switcher:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.lang-switcher option {
    background: var(--bg);
    color: var(--text);
}

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: var(--transition);
}

/* ---- Buttons ---- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
    font-family: var(--font);
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(13,148,136,0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
}

.btn-secondary:hover {
    background: var(--accent-bg);
    transform: translateY(-1px);
}

.btn-large {
    padding: 16px 36px;
    font-size: 1.1rem;
}

/* ---- Section Base ---- */
.section {
    padding: 100px 0;
}

.section-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 12px;
}

.section h2 {
    font-size: 2.4rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 640px;
    line-height: 1.7;
    margin-bottom: 48px;
    margin-left: auto;
    margin-right: auto;
}

/* ---- Hero ---- */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
}

.hero-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    background: var(--accent-bg);
    color: var(--accent);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 520px;
}

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

/* ---- Channel Strip ---- */
.section-channels {
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 28px 0;
    background: var(--bg);
}

.section-channels .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
}

.channels-label {
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
}

.channel-icons {
    display: flex;
    align-items: center;
    gap: 32px;
}

.channel-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    transition: transform 0.2s ease;
}

.channel-icon svg {
    width: 32px;
    height: 32px;
}

.channel-icon:hover {
    transform: translateY(-2px);
}

.channel-name {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
}

.channel-more {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.channel-more-text {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 2px solid var(--border);
    color: var(--text-muted);
    font-size: 1.2rem;
    font-weight: 600;
}

.hero-stats {
    display: flex;
    gap: 36px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ---- Chat Window ---- */
.chat-window {
    background: #1e1e2e;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    max-width: 420px;
    width: 100%;
}

.chat-window-full {
    max-width: 560px;
    margin: 0 auto;
}

.chat-header {
    background: #2a2a3e;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-header-avatar {
    width: 36px;
    height: 36px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
}

.chat-header-info {
    display: flex;
    flex-direction: column;
}

.chat-header-name {
    color: #fff;
    font-weight: 600;
    font-size: 0.95rem;
}

.chat-header-status {
    color: #9ca3af;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 4px;
}

.status-dot {
    width: 6px;
    height: 6px;
    background: #22c55e;
    border-radius: 50%;
    display: inline-block;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.chat-messages {
    padding: 20px;
    min-height: 380px;
    max-height: 380px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-messages-full {
    min-height: 500px;
    max-height: 500px;
}

.chat-messages::-webkit-scrollbar {
    width: 4px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: #3a3a4e;
    border-radius: 2px;
}

/* Chat bubbles */
.chat-bubble {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 16px;
    font-size: 0.9rem;
    line-height: 1.5;
    animation: bubble-in 0.3s ease;
    word-wrap: break-word;
}

@keyframes bubble-in {
    from {
        opacity: 0;
        transform: translateY(8px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.chat-bubble-user {
    background: var(--accent);
    color: #fff;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.chat-bubble-bot {
    background: #2a2a3e;
    color: #e2e8f0;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.chat-bubble-bot .highlight-amount {
    color: var(--accent-light);
    font-weight: 600;
}

.chat-bubble-file {
    background: rgba(13,148,136,0.15);
    border: 1px solid rgba(13,148,136,0.3);
    color: #e2e8f0;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.file-icon {
    font-size: 1.3rem;
}

.chat-typing {
    align-self: flex-start;
    display: flex;
    gap: 4px;
    padding: 12px 18px;
    background: #2a2a3e;
    border-radius: 16px;
    border-bottom-left-radius: 4px;
}

.chat-typing span {
    width: 6px;
    height: 6px;
    background: #6b7280;
    border-radius: 50%;
    animation: typing-bounce 1.4s infinite;
}

.chat-typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-bounce {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-4px); }
}

.chat-input-bar {
    background: #2a2a3e;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid #3a3a4e;
}

.chat-input-placeholder {
    color: #6b7280;
    font-size: 0.9rem;
}

.chat-send-icon {
    color: var(--accent);
    font-size: 1.1rem;
}

.chat-time {
    font-size: 0.7rem;
    color: #6b7280;
    text-align: center;
    padding: 4px 0;
}

/* ---- Problem Section ---- */
.section-problem {
    background: var(--bg);
    text-align: center;
}

.section-problem h2 {
    max-width: 700px;
    margin: 0 auto 20px;
}

.section-problem .section-desc {
    max-width: 700px;
    margin: 0 auto;
}

/* ---- Demo Section ---- */
.section-demo {
    background: var(--bg-alt);
    text-align: center;
}

.section-demo .section-desc {
    margin-left: auto;
    margin-right: auto;
}

/* ---- Features Grid ---- */
.section-features {
    background: var(--bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: all var(--transition);
}

.feature-card:hover {
    border-color: var(--accent);
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ---- Comparison Table ---- */
.section-compare {
    background: var(--bg-alt);
    text-align: center;
}

.compare-table {
    max-width: 700px;
    margin: 0 auto;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--card-bg);
}

.compare-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    border-bottom: 1px solid var(--border-light);
}

.compare-row:last-child {
    border-bottom: none;
}

.compare-header {
    background: var(--bg-alt);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.compare-metric,
.compare-human,
.compare-bot {
    padding: 14px 20px;
    font-size: 0.9rem;
}

.compare-metric {
    font-weight: 600;
    text-align: left;
    color: var(--text);
}

.compare-human {
    color: var(--text-muted);
    text-align: center;
}

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

.compare-bot.highlight {
    color: var(--accent);
    font-weight: 600;
}

/* ---- What's Inside ---- */
.section-inside {
    background: var(--bg);
    text-align: center;
}

.section-inside .inside-grid {
    text-align: left;
}

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

.inside-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}

.inside-card-header {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--accent);
}

.inside-card ul {
    list-style: none;
}

.inside-card li {
    font-size: 0.88rem;
    color: var(--text-muted);
    padding: 6px 0;
    line-height: 1.5;
}

.inside-card li strong {
    color: var(--text);
}

/* ---- Blueprint Product Card ---- */
.section-blueprint {
    background: var(--bg-alt);
}

.blueprint-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 60px;
    box-shadow: var(--card-shadow);
}

.blueprint-badge {
    display: inline-block;
    background: var(--accent-bg);
    color: var(--accent);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.blueprint-info h2 {
    font-size: 2.2rem;
    margin-bottom: 12px;
}

.blueprint-tagline {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 24px;
    line-height: 1.6;
}

.blueprint-features {
    list-style: none;
    margin-bottom: 28px;
}

.blueprint-features li {
    padding: 6px 0;
    font-size: 0.95rem;
    color: var(--text);
}

.blueprint-features li::first-letter {
    color: var(--accent);
}

.blueprint-price {
    margin-bottom: 24px;
}

.price-amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text);
}

.price-currency {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-muted);
}

.price-note {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* PDF Mockup */
.blueprint-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.pdf-mockup {
    position: relative;
    width: 260px;
    height: 340px;
    perspective: 800px;
}

.pdf-page {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 8px;
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: var(--card-shadow);
}

.pdf-page-back {
    transform: rotate(-4deg) translateX(-8px);
    background: #f3f4f6;
}

.pdf-page-mid {
    transform: rotate(-2deg) translateX(-4px);
    background: #f8f9fb;
}

.pdf-page-front {
    transform: rotate(0deg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 40px 30px;
    background: linear-gradient(180deg, #fff 0%, #f8f9fb 100%);
    border: 2px solid var(--accent);
}

.pdf-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.1;
    margin-bottom: 12px;
}

.pdf-subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.4;
    margin-bottom: 20px;
}

.pdf-footer {
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: 500;
}

/* ---- Pricing Cards ---- */
.section-service {
    background: var(--bg);
    text-align: center;
}

.section-service .section-desc {
    margin-left: auto;
    margin-right: auto;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 960px;
    margin: 0 auto;
}

.pricing-grid-two {
    grid-template-columns: repeat(2, 1fr);
    max-width: 720px;
}

.pricing-grid-three {
    grid-template-columns: repeat(3, 1fr);
    max-width: 960px;
}

.pricing-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: left;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all var(--transition);
}

.pricing-card:hover {
    border-color: var(--accent);
    box-shadow: var(--card-shadow-hover);
}

.pricing-card-featured {
    border: 2px solid var(--accent);
    box-shadow: var(--card-shadow-hover);
}

.pricing-popular {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: #fff;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.pricing-tier {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.pricing-price {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}

.pricing-plus {
    font-size: 1.5rem;
    color: var(--text-muted);
}

.pricing-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 28px;
    flex-grow: 1;
}

.pricing-card li {
    padding: 6px 0;
    font-size: 0.88rem;
    color: var(--text);
    padding-left: 20px;
    position: relative;
}

.pricing-card li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

.pricing-card .btn {
    width: 100%;
    text-align: center;
}

/* ---- Timeline ---- */
.section-timeline {
    background: var(--bg-alt);
    text-align: center;
}

.timeline {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 24px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.timeline-step {
    display: flex;
    gap: 24px;
    text-align: left;
    padding: 20px 0;
    position: relative;
}

.timeline-number {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--accent);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    z-index: 1;
}

.timeline-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.timeline-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ---- Bespoke Setup Section ---- */
.section-setup {
    background: var(--bg-alt);
    text-align: center;
}

.setup-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    max-width: 820px;
    margin: 0 auto 48px;
}

.setup-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: left;
    position: relative;
    transition: box-shadow var(--transition);
}

.setup-card:hover {
    box-shadow: var(--card-shadow-hover);
}

.setup-card-featured {
    border-color: var(--accent);
    border-width: 2px;
    box-shadow: 0 4px 20px rgba(13,148,136,0.12);
}

.setup-card-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 16px;
    border-radius: 20px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.setup-card-header {
    margin-bottom: 24px;
}

.setup-card-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.setup-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
}

.setup-price span {
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-muted);
}

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

.setup-features li {
    padding: 8px 0;
    font-size: 0.95rem;
    color: var(--text);
    border-bottom: 1px solid var(--border-light);
    padding-left: 20px;
    position: relative;
}

.setup-features li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 600;
}

.setup-features li:first-child {
    font-weight: 600;
    color: var(--accent);
    padding-left: 0;
}

.setup-features li:first-child::before {
    display: none;
}

.setup-card .btn {
    width: 100%;
    text-align: center;
}

.setup-proof {
    display: flex;
    justify-content: center;
    gap: 64px;
}

.setup-proof-item {
    text-align: center;
}

.setup-proof-item strong {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
}

.setup-proof-item span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .setup-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .setup-proof {
        flex-direction: column;
        gap: 24px;
    }
}

/* ---- Inquiry Form ---- */
.section-inquiry {
    background: var(--bg);
}

.section-inquiry .container {
    text-align: center;
}

.inquiry-form {
    max-width: 640px;
    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: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(13,148,136,0.1);
}

.form-group textarea {
    resize: vertical;
}

.form-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 12px;
}

.inquiry-form .btn {
    width: 100%;
    text-align: center;
    margin-top: 8px;
}

/* ---- Trust Section ---- */
.section-trust {
    background: var(--bg-alt);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.trust-item {
    text-align: center;
    padding: 24px;
}

.trust-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.trust-item h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.trust-item p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ---- FAQ ---- */
.section-faq {
    background: var(--bg);
    text-align: center;
}

.faq-list {
    max-width: 700px;
    margin: 0 auto;
    text-align: left;
}

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: 20px 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    font-family: var(--font);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color var(--transition);
}

.faq-question::after {
    content: "+";
    font-size: 1.3rem;
    color: var(--text-muted);
    transition: transform var(--transition);
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 0 20px;
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ---- Final CTA ---- */
.section-final-cta {
    background: var(--bg-dark);
    text-align: center;
    padding: 80px 0;
}

.section-final-cta h2 {
    color: #fff;
    font-size: 2.4rem;
    margin-bottom: 12px;
}

.section-final-cta .section-desc {
    color: #9ca3af;
    margin: 0 auto 36px;
}

.section-final-cta .hero-ctas {
    justify-content: center;
}

.section-final-cta .btn-secondary {
    color: #fff;
    border-color: #fff;
}

.section-final-cta .btn-secondary:hover {
    background: rgba(255,255,255,0.1);
}

/* ---- Footer ---- */
.footer {
    background: var(--bg-dark);
    border-top: 1px solid #1f2937;
    padding: 32px 0;
}

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

.footer-brand {
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-brand .logo-icon {
    color: var(--accent);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    font-size: 0.85rem;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: #fff;
}

.footer-copy {
    color: #6b7280;
    font-size: 0.8rem;
}

/* ---- Scroll Animations ---- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .inside-grid {
        grid-template-columns: 1fr;
    }

    .blueprint-card {
        grid-template-columns: 1fr;
        padding: 40px;
    }

    .blueprint-visual {
        order: -1;
    }
}

@media (max-width: 768px) {
    .section-channels .container {
        flex-direction: column;
        gap: 16px;
    }

    .channel-icons {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .channel-icon svg {
        width: 26px;
        height: 26px;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 20px 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-hamburger {
        display: flex;
    }

    .nav-cta {
        display: none;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-stats {
        gap: 24px;
    }

    .chat-window {
        max-width: 100%;
    }

    .section h2 {
        font-size: 1.8rem;
    }

    .section {
        padding: 60px 0;
    }

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

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

    .compare-metric,
    .compare-human,
    .compare-bot {
        padding: 10px 12px;
        font-size: 0.8rem;
    }

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

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

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

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

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-ctas {
        flex-direction: column;
    }

    .hero-ctas .btn {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

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

    .chat-messages {
        min-height: 300px;
        max-height: 300px;
    }
}