/* ===== Minimalist Design Tokens ===== */
:root {
    --color-bg: #FAFAFA;
    --color-bg-elevated: #FFFFFF;
    --color-bg-card: #FFFFFF;
    --color-text: #1A1A1A;
    --color-text-secondary: #6B7280;
    --color-text-muted: #9CA3AF;
    --color-primary: #1A1A1A;
    --color-accent: #3B82F6;
    --color-border: #E5E7EB;
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

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

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

ul {
    list-style: none;
}

/* ===== Utilities ===== */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.gradient-text {
    color: var(--color-accent);
}

.section {
    padding: 100px 0;
}

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

.section-badge {
    display: inline-block;
    padding: 6px 14px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    font-weight: 500;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background: #333;
}

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

.btn-outline:hover {
    border-color: var(--color-text);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}

.btn-ghost:hover {
    color: var(--color-text);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(250, 250, 250, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
}

.logo-icon {
    font-size: 24px;
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    gap: 36px;
}

.nav-links a {
    font-size: 14px;
    color: var(--color-text-secondary);
    transition: color 0.2s;
}

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

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

.mobile-menu-btn {
    display: none;
}

/* ===== Hero ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    background: var(--color-bg);
}

.hero-bg {
    display: none;
}

.hero-content {
    text-align: center;
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

.pulse-dot {
    width: 6px;
    height: 6px;
    background: #22C55E;
    border-radius: 50%;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 6vw, 3.5rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 520px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 80px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    background: var(--color-border);
}

/* ===== Steps ===== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.step-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px 28px;
    text-align: left;
    transition: all 0.2s ease;
}

.step-card:hover {
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.step-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

.step-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.step-card p {
    color: var(--color-text-secondary);
    font-size: 15px;
}

/* ===== Products ===== */
.products {
    background: var(--color-bg-elevated);
}

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

.product-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.product-card.featured {
    border-color: var(--color-accent);
}

.product-badge {
    display: inline-block;
    padding: 4px 10px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    margin-bottom: 24px;
    width: fit-content;
}

.voicebox-visual {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vb-ring {
    position: absolute;
    border: 1px solid var(--color-border);
    border-radius: 50%;
}

.vb-ring:nth-child(1) {
    width: 40px;
    height: 40px;
}

.vb-ring:nth-child(2) {
    width: 60px;
    height: 60px;
}

.vb-core {
    width: 24px;
    height: 24px;
    background: var(--color-accent);
    border-radius: 50%;
}

.product-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.product-card>p {
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    font-size: 15px;
}

.product-features {
    margin-bottom: 24px;
    flex-grow: 1;
}

.product-features li {
    padding: 6px 0;
    color: var(--color-text-secondary);
    font-size: 14px;
}

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

/* ===== Use Cases ===== */
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.use-case-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 32px;
    text-align: left;
    transition: all 0.2s ease;
}

.use-case-card:hover {
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.use-case-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.use-case-card h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.use-case-card p {
    color: var(--color-text-secondary);
    font-size: 15px;
}

/* ===== CTA ===== */
.cta {
    text-align: center;
    background: var(--color-bg-elevated);
}

.cta-gradient {
    display: none;
}

.cta-content {
    max-width: 500px;
    margin: 0 auto;
}

.cta h2 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 600;
    margin-bottom: 12px;
}

.cta p {
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

.cta-form {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.cta-form input {
    flex: 1;
    min-width: 220px;
    padding: 14px 18px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 15px;
}

.cta-form input:focus {
    outline: none;
    border-color: var(--color-text);
}

.form-note {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 16px;
}

/* ===== Footer ===== */
.footer {
    padding: 64px 0 32px;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
}

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

.footer-brand p {
    color: var(--color-text-secondary);
    margin-top: 12px;
    font-size: 14px;
    max-width: 260px;
}

.footer-links h4 {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--color-text-secondary);
    font-size: 14px;
    transition: color 0.2s;
}

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

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 13px;
}

/* ===== Animations (subtle) ===== */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

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

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

    .steps-grid,
    .products-grid,
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {

    .nav-links,
    .nav-actions {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
        flex-direction: column;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 8px;
    }

    .mobile-menu-btn span {
        width: 20px;
        height: 2px;
        background: var(--color-text);
    }

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

    .hero-stats {
        gap: 32px;
    }

    .stat-divider {
        display: none;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 64px 0;
    }
}