/* ==============================================
   Instant Approve — Landing Page
   Design: Dark theme, electric cyan accents, glassmorphism
   ============================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* --- Design Tokens --- */
:root {
    --bg-primary: #06060f;
    --bg-secondary: #0c0c1d;
    --bg-card: rgba(14, 14, 35, 0.7);
    --bg-card-hover: rgba(20, 20, 50, 0.85);
    --border-subtle: rgba(56, 189, 248, 0.12);
    --border-glow: rgba(56, 189, 248, 0.3);

    --text-primary: #f0f4f8;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --accent: #38bdf8;
    --accent-bright: #7dd3fc;
    --accent-dim: #0284c7;
    --accent-glow: rgba(56, 189, 248, 0.15);

    --success: #34d399;
    --warning: #fbbf24;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --shadow-glow: 0 0 60px rgba(56, 189, 248, 0.08);
    --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.4);

    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --max-width: 1140px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-bright);
}

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

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

.section {
    padding: 100px 0;
    position: relative;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
    padding: 6px 16px;
    border-radius: 100px;
    background: var(--accent-glow);
    border: 1px solid var(--border-subtle);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.7;
}

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

.text-center .section-subtitle {
    margin-left: auto;
    margin-right: auto;
}

/* Gradient text */
.gradient-text {
    background: linear-gradient(135deg, var(--accent-bright) 0%, var(--accent) 50%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Glass Card --- */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 32px;
    backdrop-filter: blur(12px);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
}

.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow), var(--shadow-card);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font);
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
    color: #fff;
    box-shadow: 0 4px 20px rgba(56, 189, 248, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(56, 189, 248, 0.45);
    color: #fff;
}

.btn-secondary {
    background: rgba(56, 189, 248, 0.08);
    color: var(--accent);
    border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
    background: rgba(56, 189, 248, 0.15);
    border-color: var(--border-glow);
    color: var(--accent-bright);
}

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 0;
    transition: all 0.3s ease;
}

.nav.scrolled {
    background: rgba(6, 6, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    padding: 10px 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-brand img {
    width: 32px;
    height: 32px;
    filter: invert(1);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

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

.nav-cta {
    padding: 10px 24px !important;
    font-size: 0.9rem !important;
}

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

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s;
}

/* --- Hero --- */
.hero {
    padding-top: 140px;
    padding-bottom: 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(56, 189, 248, 0.08);
    border: 1px solid var(--border-subtle);
    border-radius: 100px;
    padding: 8px 20px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 32px;
    animation: fadeInUp 0.6s ease;
}

.hero-badge .badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    animation: pulse-dot 2s ease infinite;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.2rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease 0.1s both;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.7;
    animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 56px;
    animation: fadeInUp 0.6s ease 0.3s both;
}

/* --- Hero Window (CSS Mockup) --- */
.hero-window {
    max-width: 860px;
    margin: 0 auto;
    background: #1e1e1e;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-glow), 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-subtle);
    overflow: hidden;
    text-align: left;
    font-family: 'Consolas', 'Monaco', monospace;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.window-header {
    background: #252526;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #333;
}

.window-controls {
    display: flex;
    gap: 8px;
}

.window-controls span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ff5f56;
}

.window-controls span:nth-child(2) {
    background: #ffbd2e;
}

.window-controls span:nth-child(3) {
    background: #27c93f;
}

.window-title {
    flex: 1;
    text-align: center;
    color: #9aa0a6;
    font-size: 0.9rem;
    font-family: var(--font);
}

.window-body {
    padding: 24px;
    position: relative;
    min-height: 200px;
}

.code-line {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #d4d4d4;
}

.indent-1 {
    padding-left: 24px;
}

.c-k {
    color: #569cd6;
}

/* Keyword */
.c-f {
    color: #dcdcaa;
}

/* Function */
.c-v {
    color: #9cdcfe;
}

/* Variable */
.c-s {
    color: #ce9178;
}

/* String */
.c-c {
    color: #6a9955;
}

/* Comment */

.status-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: #007acc;
    padding: 4px 12px;
    display: flex;
    justify-content: space-between;
    font-family: var(--font);
    font-size: 0.8rem;
    color: white;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* --- Stats Bar --- */
.stats-bar {
    padding: 40px 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-item .stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 6px;
}

.stat-item .stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* --- Features Grid --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 56px;
}

.feature-card {
    text-align: left;
}

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
    background: var(--accent-glow);
    border: 1px solid var(--border-subtle);
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* --- How It Works --- */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 56px;
    counter-reset: step;
}

.step-card {
    text-align: center;
    position: relative;
}

.step-number {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 800;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
    color: #fff;
    box-shadow: 0 4px 20px rgba(56, 189, 248, 0.3);
}

.step-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.step-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* --- Pricing --- */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 56px;
    align-items: start;
}

.pricing-card {
    text-align: center;
    position: relative;
    padding: 40px 32px;
}

.pricing-card.featured {
    border-color: var(--accent);
    background: rgba(56, 189, 248, 0.05);
    transform: scale(1.04);
}

.pricing-card.featured::before {
    content: 'MOST POPULAR';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 6px 20px;
    border-radius: 100px;
}

.pricing-card .plan-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.pricing-card .plan-price {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 4px;
}

.pricing-card .plan-period {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 28px;
}

.pricing-card .plan-features {
    list-style: none;
    text-align: left;
    margin-bottom: 32px;
}

.pricing-card .plan-features li {
    padding: 8px 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-card .plan-features li::before {
    content: '✓';
    color: var(--success);
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.pricing-card .plan-features li.disabled {
    color: var(--text-muted);
    text-decoration: line-through;
    opacity: 0.5;
}

.pricing-card .plan-features li.disabled::before {
    content: '—';
    color: var(--text-muted);
}

.pricing-card .btn {
    width: 100%;
    justify-content: center;
}

/* --- FAQ --- */
.faq-list {
    max-width: 720px;
    margin: 56px auto 0;
}

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

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 0;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 600;
    font-family: var(--font);
    cursor: pointer;
    text-align: left;
    transition: color 0.2s;
}

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

.faq-chevron {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: transform 0.3s ease;
    color: var(--text-muted);
}

.faq-item.open .faq-chevron {
    transform: rotate(180deg);
    color: var(--accent);
}

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

.faq-item.open .faq-answer {
    max-height: 300px;
    padding-bottom: 20px;
}

.faq-answer p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* --- CTA Section --- */
.cta-section {
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    bottom: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.cta-section h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.cta-section p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 36px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

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

/* --- Footer --- */
.footer {
    border-top: 1px solid var(--border-subtle);
    padding: 40px 0;
    text-align: center;
}

.footer p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-top: 12px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.85rem;
}

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

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

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

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

/* Scroll-triggered reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* --- Responsive --- */
@media (max-width: 900px) {

    .features-grid,
    .steps-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin-left: auto;
        margin-right: auto;
    }

    #security > .container > div,
    .comparison-grid {
        grid-template-columns: 1fr !important;
    }

    .pricing-card.featured {
        transform: none;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: rgba(6, 6, 15, 0.97);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border-subtle);
        padding: 16px 24px;
    }

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

    .nav-links a {
        display: block;
        padding: 12px 0;
    }

    .nav-toggle {
        display: flex;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 64px 0;
    }

    .hero {
        padding-top: 110px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-buttons .btn {
        justify-content: center;
    }

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