/* ═══════════════════════════════════════════════════════════
   GET RESPOND - Premium Dark SaaS Landing
   Navigator Template Adapted · Plus Jakarta Sans
   ═══════════════════════════════════════════════════════════ */

:root {
    --bg: #000000;
    --bg-secondary: #0a0a0a;
    --bg-card: #111111;
    --bg-card-hover: #1a1a1a;
    --surface: #161616;
    --border: #1f2123;
    --border-hover: #333;

    --text-primary: #f0f0f0;
    --text-secondary: #a0a0a0;
    --text-muted: #666;

    --accent: #059669;
    --accent-hover: #10b981;
    --accent-glow: rgba(5, 150, 105, 0.3);
    --accent-subtle: rgba(5, 150, 105, 0.1);

    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; font-family: var(--font); -webkit-font-smoothing: antialiased; }

body {
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── HEADER ─────────────────────────────── */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    height: 64px;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: background var(--transition);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.15rem;
}

.logo-icon { font-size: 1.4rem; }
.logo-text { letter-spacing: -0.02em; }

.header-nav {
    display: flex;
    gap: 32px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.header-nav a {
    transition: color var(--transition);
    position: relative;
}

.header-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition);
}

.header-nav a:hover { color: #fff; }
.header-nav a:hover::after { width: 100%; }

.header-actions { display: flex; gap: 12px; }

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.75rem;
    cursor: pointer;
}

/* ── BUTTONS ─────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 0 20px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 0 30px var(--accent-glow);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 1px solid var(--border-hover);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: #555;
}

.btn-lg { padding: 14px 28px; font-size: 0.95rem; }
.btn-block { width: 100%; justify-content: center; }

/* ── HERO ─────────────────────────────── */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 120px 5% 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    filter: blur(80px);
    opacity: 0.4;
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    background: var(--accent-subtle);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, #e0e0e0 0%, #888 50%, #e0e0e0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    max-width: 600px;
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 36px;
}

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

/* Hero Phone Mockup */
.hero-visual {
    margin-top: 48px;
    display: flex;
    justify-content: center;
    width: 100%;
    perspective: 1200px;
}

.hero-phone-mockup {
    transform: perspective(1200px) rotateX(8deg) rotateY(-2deg);
    transition: transform 0.6s ease;
}

.hero-phone-mockup:hover {
    transform: perspective(1200px) rotateX(2deg) rotateY(0deg);
}

.phone-frame {
    width: 340px;
    background: #1a1a1a;
    border-radius: 32px;
    padding: 12px;
    border: 1px solid #2a2a2a;
    box-shadow:
        0 30px 60px rgba(0, 0, 0, 0.5),
        0 0 40px var(--accent-glow),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.phone-screen {
    background: #0d1117;
    border-radius: 22px;
    overflow: hidden;
}

.chat-header-mock {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: #161b22;
    border-bottom: 1px solid #21262d;
}

.chat-avatar {
    width: 36px;
    height: 36px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.chat-name { font-weight: 600; font-size: 0.85rem; }
.chat-status-mock { font-size: 0.7rem; color: var(--success); }

.chat-messages-mock {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 380px;
    overflow: hidden;
}

.msg {
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 0.78rem;
    line-height: 1.5;
    max-width: 85%;
    animation: msgSlide 0.5s ease;
}

@keyframes msgSlide {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.msg-ai {
    background: #21262d;
    color: #e0e0e0;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 48px;
    padding: 24px 48px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--bg-secondary);
}

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

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #fff, var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; display: block; }
.stat-divider { width: 1px; background: var(--border); }

/* ── TRUSTED / INDUSTRIES ─────────────── */
.trusted-section {
    padding: 60px 5%;
    text-align: center;
}

.trusted-title {
    font-size: 1.1rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 24px;
}

.trusted-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.industry-tag {
    padding: 8px 18px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    font-size: 0.82rem;
    color: var(--text-secondary);
    transition: all var(--transition);
}

.industry-tag:hover {
    border-color: var(--accent);
    color: #fff;
    background: var(--accent-subtle);
}

/* ── SECTIONS COMMON ─────────────────── */
.section-title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    text-align: center;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-top: 12px;
    font-size: 1rem;
}

/* ── FEATURES ─────────────────────────── */
.features {
    padding: 100px 5%;
}

.features-header { margin-bottom: 60px; }

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition);
}

.feature-card:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--accent-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--accent-hover);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ── HOW IT WORKS ─────────────────────── */
.how-it-works {
    padding: 100px 5%;
    background: var(--bg-secondary);
}

.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-top: 60px;
    flex-wrap: wrap;
}

.step-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 280px;
    text-align: center;
    transition: all var(--transition);
}

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

.step-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
}

.step-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.step-card p { font-size: 0.85rem; color: var(--text-secondary); }

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

/* ── COMPARISON TABLE ─────────────────── */
.comparison {
    padding: 100px 5%;
}

.comparison-table-wrapper {
    max-width: 900px;
    margin: 48px auto 0;
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.comparison-table th,
.comparison-table td {
    padding: 16px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.comparison-table th {
    background: var(--surface);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.comparison-table td:first-child,
.comparison-table th:first-child {
    text-align: left;
    font-weight: 600;
}

.comparison-table .highlight-col {
    background: var(--accent-subtle);
}

.comparison-table th.highlight-col {
    color: var(--accent-hover);
    background: rgba(5, 150, 105, 0.15);
}

.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table tr:hover td { background: rgba(255, 255, 255, 0.02); }
.comparison-table tr:hover .highlight-col { background: rgba(5, 150, 105, 0.12); }

.check { color: var(--success); }
.cross { color: var(--danger); opacity: 0.6; }
.muted { color: var(--warning); opacity: 0.7; }

/* ── PRICING ─────────────────────────── */
.pricing {
    padding: 100px 5%;
    background: var(--bg-secondary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 48px auto 0;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px;
    text-align: center;
    position: relative;
    transition: all var(--transition);
}

.pricing-card:hover {
    border-color: #333;
    transform: translateY(-4px);
}

.pricing-card-popular {
    border-color: var(--accent);
    box-shadow: 0 0 40px var(--accent-glow);
    transform: scale(1.04);
}

.pricing-card-popular:hover {
    transform: scale(1.04) translateY(-4px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: #fff;
    padding: 4px 16px;
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-name { font-size: 1rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 12px; }

.pricing-price {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.pricing-period { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 24px; }

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 28px;
}

.pricing-features li {
    padding: 8px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.pricing-features li i { color: var(--success); font-size: 1rem; }

/* ── FAQ ─────────────────────────────── */
.faq-section {
    padding: 100px 5%;
}

.faq-container {
    max-width: 700px;
    margin: 48px auto 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    overflow: hidden;
    transition: border-color var(--transition);
}

.faq:hover { border-color: #333; }

.faq-accordion {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.92rem;
    user-select: none;
    transition: background var(--transition);
}

.faq-accordion:hover { background: rgba(255, 255, 255, 0.02); }

.faq-accordion i {
    font-size: 1.25rem;
    transition: transform var(--transition);
    color: var(--text-muted);
}

.faq.active .faq-accordion i { transform: rotate(45deg); color: var(--accent-hover); }

.faq-content {
    max-height: 0;
    overflow: hidden;
    padding: 0 20px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq.active .faq-content {
    max-height: 200px;
    padding: 0 20px 18px;
}

/* ── CTA ─────────────────────────────── */
.cta-section {
    padding: 100px 5%;
    background: var(--bg-secondary);
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.cta-content h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.cta-content p { color: var(--text-secondary); margin-bottom: 28px; }

.cta-form {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.cta-input {
    flex: 1;
    max-width: 300px;
    padding: 14px 20px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: #fff;
    font-family: var(--font);
    font-size: 0.875rem;
    outline: none;
    transition: border-color var(--transition);
}

.cta-input:focus { border-color: var(--accent); }

/* ── FOOTER ─────────────────────────────── */
footer {
    padding: 60px 5% 24px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.footer-desc { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 16px; }

.footer-social { display: flex; gap: 16px; }
.footer-social a {
    font-size: 1.15rem;
    color: var(--text-muted);
    transition: color var(--transition);
}
.footer-social a:hover { color: #fff; }

.footer-col h4 {
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.footer-col a {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    padding: 4px 0;
    transition: color var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 20px;
    text-align: center;
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* ── REVEAL ANIMATION ─────────────────── */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ── RESPONSIVE ─────────────────────────── */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
    .pricing-card-popular { transform: none; }
    .pricing-card-popular:hover { transform: translateY(-4px); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
    .header-nav { display: none; }
    .header-actions { display: none; }
    .mobile-menu-btn { display: block; }

    .header-nav.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(20px);
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border);
    }

    .hero { padding: 100px 5% 40px; }
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 0.9rem; }

    .phone-frame { width: 280px; }
    .chat-messages-mock { max-height: 300px; }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
        padding: 20px 24px;
    }
    .stat-divider { width: 100%; height: 1px; }

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

    .steps-container { flex-direction: column; }
    .step-connector { transform: rotate(90deg); }

    .comparison-table-wrapper { margin: 48px -5% 0; border-radius: 0; border-left: none; border-right: none; }
    .comparison-table { font-size: 0.75rem; }
    .comparison-table th, .comparison-table td { padding: 10px 8px; }

    .cta-form { flex-direction: column; align-items: center; }
    .cta-input { max-width: 100%; width: 100%; }

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