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

:root {
    --primary-color: #00501e;
    --highlight-color: #abfe2c;
    --text-main: #111111;
    --text-dim: #666666;
    --bg-color: #ffffff;
    --bg-secondary: #f9fafb;
    --border-color: #e5e7eb;

    /* New Colors for Update List */
    --step-bg: #e0e7ff;
    /* Light indigo for step circle */
    --step-text: #4f46e5;
    --step-bg-purple: #f3e8ff;
    --step-text-purple: #9333ea;
    --step-bg-pink: #fce7f3;
    --step-text-pink: #db2777;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-image:
        radial-gradient(circle at 10% 20%, rgba(171, 254, 44, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 80, 30, 0.03) 0%, transparent 40%);
}

/* Header */
header {
    padding: 1.5rem 3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: absolute;
    width: 100%;
    top: 0;
    z-index: 10;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    cursor: pointer;
}

.logo-small {
    height: 28px;
    width: auto;
}

.brand-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
}

.nav-placeholder {
    display: flex;
    gap: 2rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-main);
}

/* Hero Section */
.hero {
    /* flex: 1; -> Removed to allow scrolling to updates */
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    text-align: center;
}

.hero-content {
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Central Huge Logo */
.hero-logo-container {
    margin-bottom: 2.5rem;
    position: relative;
}

.hero-logo {
    height: 120px;
    width: auto;
    filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.05));
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }

    100% {
        transform: translateY(0px);
    }
}

/* Typography */
h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.03em;
    color: var(--text-main);
}

.slogan-sub {
    font-size: 1.25rem;
    color: var(--text-dim);
    max-width: 600px;
    margin-bottom: 3rem;
    font-weight: 400;
}

.slogan-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.view-updates {
    font-size: 0.9rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-top: 10px;
    display: inline-block;
}

/* Updates Section */
.updates-section {
    padding: 2rem 2rem 6rem;
    background: #ffffff;
    /* Ensure white bg */
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

.update-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 2.5rem;
}

.blue-bar {
    width: 6px;
    height: 28px;
    background-color: #2563eb;
    /* Blue accent */
    border-radius: 4px;
}

.update-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
}

.update-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.update-item {
    display: flex;
    gap: 20px;
}

.step-num {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

/* Coloring steps differently for variety like image */
.update-item:nth-child(1) .step-num {
    background: #dbeafe;
    color: #2563eb;
}

.update-item:nth-child(2) .step-num {
    background: #f3e8ff;
    color: #9333ea;
}

.update-item:nth-child(3) .step-num {
    background: #fce7f3;
    color: #db2777;
}

.update-item:nth-child(4) .step-num {
    background: #dbeafe;
    color: #2563eb;
}

.update-item:nth-child(5) .step-num {
    background: #f3e8ff;
    color: #9333ea;
}

.step-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-main);
}

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

/* History Section */
.history-section {
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.history-header {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    margin-bottom: 1rem;
    color: #64748b;
}

.history-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.history-list {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.history-item {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fff;
    cursor: pointer;
    transition: background 0.2s;
    font-weight: 600;
    color: #334155;
    font-size: 0.95rem;
}

.history-item:last-child {
    border-bottom: none;
}

.history-item:hover {
    background: #f8fafc;
}

.arrow,
.chevron {
    color: #94a3b8;
    font-size: 1.2rem;
    line-height: 1;
}

/* Bottom CTA */
.bottom-cta {
    padding: 3rem 2rem 5rem;
    background: linear-gradient(to top, #f8fafc, #ffffff);
    text-align: center;
}

.download-section {
    display: flex;
    gap: 1.25rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.5rem;
    border-radius: 9999px;
    /* Pill shape */
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.2s ease;
    min-width: 220px;
    justify-content: center;
}

/* Primary Button Style (Active OS) */
.btn-primary {
    background-color: var(--highlight-color);
    color: #003311;
    /* Dark green text for contrast on lime */
    border: 1px solid transparent;
    box-shadow: 0 4px 6px rgba(171, 254, 44, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(171, 254, 44, 0.3);
    background-color: #bbfd55;
}

/* Secondary Button Style (Inactive OS) */
.btn-secondary {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.btn-secondary:hover {
    border-color: var(--text-dim);
    background-color: var(--bg-secondary);
}

.icon {
    font-size: 1.3rem;
}

/* Footer */
footer {
    padding: 2rem;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.875rem;
    border-top: 1px solid transparent;
    margin-top: auto;
}

/* Responsive */
@media (max-width: 768px) {
    header {
        padding: 1.5rem;
    }

    .nav-placeholder {
        display: none;
    }

    h1 {
        font-size: 2.25rem;
    }

    .hero-logo {
        height: 80px;
    }

    .btn {
        width: 100%;
    }
}