/* Landing — Pano 360 */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #fafafa;
    --text: #111;
    --muted: #777;
    --border: #e0e0e0;
    --accent: #111;
    --radius: 10px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(250, 250, 250, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text);
}

.logo-icon {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: var(--text);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    font-weight: 700;
}

.logo-text {
    font-size: 18px;
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lang-switch {
    display: flex;
    gap: 2px;
    margin-right: 4px;
}

.lang-btn {
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 500;
    border: none;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-family: inherit;
    transition: color 150ms;
}
.lang-btn:hover { color: var(--text); }
.lang-btn.active { color: var(--text); font-weight: 600; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 13px;
    transition: all 150ms ease;
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-login {
    padding: 7px 14px;
    background: #fff;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 13px;
}
.btn-login:hover { background: #f0f0f0; border-color: #ccc; }

.google-icon { flex-shrink: 0; }

.btn-hero {
    padding: 14px 32px;
    background: var(--text);
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    border-radius: 8px;
}
.btn-hero:hover { background: #333; }

.btn-hero-outline {
    padding: 14px 32px;
    background: transparent;
    color: var(--text);
    font-size: 15px;
    font-weight: 500;
    border: 1px solid var(--border);
    border-radius: 8px;
}
.btn-hero-outline:hover { background: #f0f0f0; }

/* Hero */
.hero {
    padding: 140px 0 80px;
    text-align: center;
}

.hero-title {
    font-size: clamp(32px, 6vw, 48px);
    font-weight: 600;
    letter-spacing: -0.5px;
    line-height: 1.15;
    margin-bottom: 16px;
}

.hero-sub {
    font-size: 17px;
    color: var(--muted);
    max-width: 480px;
    margin: 0 auto 32px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* Features */
.features {
    padding: 40px 0 80px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.feature {
    padding: 28px 24px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: box-shadow 200ms;
}
.feature:hover { box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06); }

.feature-icon {
    width: 36px;
    height: 36px;
    margin-bottom: 14px;
    color: var(--muted);
}

.feature h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 6px;
}

.feature p {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
}

/* CTA */
.cta {
    padding: 80px 0;
    text-align: center;
    background: #fff;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.cta h2 {
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 600;
    margin-bottom: 8px;
}

.cta p {
    color: var(--muted);
    margin-bottom: 24px;
    font-size: 15px;
}

/* Footer */
.footer {
    padding: 20px 0;
}

.footer-inner {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-logo { font-weight: 600; font-size: 13px; color: var(--muted); }
.footer-copy { color: var(--muted); font-size: 12px; }

/* Responsive */
@media (max-width: 768px) {
    .features-grid { grid-template-columns: 1fr; gap: 12px; }
    .hero { padding: 110px 0 50px; }
    .hero-sub { font-size: 15px; }
    .feature { padding: 20px; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 28px; }
    .btn-hero, .btn-hero-outline { padding: 12px 24px; font-size: 14px; }
    .header-right .btn-login:not(#btn-login):not(#btn-dashboard) { display: none; }
}