/* ===== ImkerManager Landing Page ===== */

:root {
    --honey: #f59e0b;
    --honey-light: #fbbf24;
    --honey-dark: #d97706;
    --honey-glow: #fef3c7;
    --dark: #1f2937;
    --dark-light: #374151;
    --gray: #6b7280;
    --gray-light: #d1d5db;
    --gray-lighter: #f3f4f6;
    --white: #ffffff;
    --green: #10b981;
    --green-light: #d1fae5;
    --red: #ef4444;
    --blue: #3b82f6;
    --purple: #8b5cf6;
    --shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1), 0 4px 6px rgba(0,0,0,0.05);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--white);
    color: var(--dark);
    line-height: 1.7;
}

/* ===== Header / Navbar ===== */
.landing-navbar {
    background: linear-gradient(135deg, var(--honey), var(--honey-dark));
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--white);
}

.navbar-brand .logo {
    font-size: 2rem;
}

.navbar-brand h1 {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.navbar-links a {
    color: var(--white);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    opacity: 0.9;
    transition: opacity 0.2s;
}

.navbar-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

.navbar-links .btn-app {
    background: var(--white);
    color: var(--honey-dark);
    padding: 8px 20px;
    border-radius: 999px;
    font-weight: 600;
    opacity: 1;
    transition: transform 0.2s, box-shadow 0.2s;
}

.navbar-links .btn-app:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(160deg, #fef3c7 0%, #fde68a 40%, #fbbf24 100%);
    padding: 80px 24px 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(245,158,11,0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    max-width: 720px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero .hero-icon {
    font-size: 4rem;
    margin-bottom: 16px;
    display: block;
}

.hero h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 16px;
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.hero h2 span {
    color: var(--honey-dark);
}

.hero p {
    font-size: 1.15rem;
    color: var(--dark-light);
    margin-bottom: 32px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--honey), var(--honey-dark));
    color: var(--white);
    padding: 14px 32px;
    border-radius: 999px;
    font-size: 1.05rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    text-decoration: none;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    color: var(--honey-dark);
    padding: 14px 32px;
    border-radius: 999px;
    font-size: 1.05rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: var(--shadow);
    border: 2px solid var(--honey-light);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

/* ===== Features Section ===== */
.features {
    padding: 80px 24px;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--gray);
    max-width: 520px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.feature-card {
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--honey-light);
}

.feature-card .icon {
    font-size: 2.2rem;
    margin-bottom: 14px;
    display: block;
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 0.93rem;
    color: var(--gray);
    line-height: 1.6;
}

/* ===== Stats Section ===== */
.stats {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    padding: 60px 24px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.stat-item .stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--honey-light);
    display: block;
}

.stat-item .stat-label {
    font-size: 0.95rem;
    color: var(--gray-light);
    margin-top: 4px;
}

/* ===== News Section ===== */
.news {
    padding: 80px 24px;
    background: var(--gray-lighter);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.news-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.news-card .news-date {
    display: inline-block;
    background: var(--honey-glow);
    color: var(--honey-dark);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 12px;
}

.news-card .news-tag {
    display: inline-block;
    background: var(--blue-light);
    color: var(--blue);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 999px;
    margin-left: 6px;
    vertical-align: middle;
}

.news-card .news-tag.update {
    background: var(--green-light);
    color: var(--green);
}

.news-card .news-tag.feature {
    background: var(--purple-light);
    color: var(--purple);
}

.news-card .news-tag.fix {
    background: var(--red-light);
    color: var(--red);
}

.news-card .news-body {
    padding: 20px 24px 24px;
}

.news-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-card p {
    font-size: 0.92rem;
    color: var(--gray);
    line-height: 1.6;
}

.news-card .news-more {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--honey-dark);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    margin-top: 12px;
}

.news-card .news-more:hover {
    text-decoration: underline;
}

.news-card .news-full {
    display: none;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--gray-light);
}

.news-card .news-full p {
    font-size: 0.9rem;
    color: var(--dark-light);
    line-height: 1.7;
}

.news-card .toggle-full {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    color: var(--honey-dark);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 10px;
    padding: 0;
}

.news-card .toggle-full:hover {
    text-decoration: underline;
}

/* ===== No News State ===== */
.no-news {
    text-align: center;
    padding: 60px 24px;
    color: var(--gray);
}

.no-news .icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 16px;
}

.no-news p {
    font-size: 1rem;
}

/* ===== CTA Section ===== */
.cta {
    background: linear-gradient(135deg, var(--honey), var(--honey-dark));
    padding: 70px 24px;
    text-align: center;
}

.cta h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

.cta p {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 28px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

.cta .btn-white {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    color: var(--honey-dark);
    padding: 14px 36px;
    border-radius: 999px;
    font-size: 1.05rem;
    font-weight: 700;
    text-decoration: none;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s, box-shadow 0.2s;
}

.cta .btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    text-decoration: none;
}

/* ===== Footer ===== */
.landing-footer {
    background: var(--dark);
    color: var(--gray-light);
    text-align: center;
    padding: 32px 24px;
    font-size: 0.88rem;
}

.landing-footer a {
    color: var(--honey-light);
    text-decoration: none;
    margin: 0 12px;
}

.landing-footer a:hover {
    text-decoration: underline;
}

.landing-footer .footer-links {
    margin-bottom: 16px;
}

/* ===== Loading State ===== */
.news-loading {
    text-align: center;
    padding: 40px;
    color: var(--gray);
}

.news-loading .spinner {
    display: inline-block;
    width: 36px;
    height: 36px;
    border: 3px solid var(--gray-light);
    border-top-color: var(--honey);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .hero {
        padding: 60px 20px 40px;
    }

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

    .hero p {
        font-size: 1rem;
    }

    .navbar-links {
        gap: 14px;
    }

    .navbar-links a.nav-text {
        display: none;
    }

    .features {
        padding: 60px 20px;
    }

    .section-header h2 {
        font-size: 1.6rem;
    }

    .news {
        padding: 60px 20px;
    }

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

    .cta h2 {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .hero h2 {
        font-size: 1.5rem;
    }

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

    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}