@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* 💼 Professional Business Palette */
    --primary: #0f172a;        /* Slate 900 */
    --primary-light: #1e293b;  /* Slate 800 */
    --accent: #059669;         /* Emerald 600 - Health/Official */
    --accent-hover: #047857;   /* Emerald 700 */
    --accent-soft: #ecfdf5;    /* Emerald 50 */
    --text-main: #1e293b;      /* Slate 800 */
    --text-muted: #64748b;     /* Slate 500 */
    --bg-main: #f8fafc;        /* Slate 50 */
    --bg-card: #ffffff;
    --border: #e2e8f0;         /* Slate 200 */
    
    /* 📏 Spacing & Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--primary); /* #0f172a */
    background-color: var(--bg-main); /* #f8fafc */
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 🏢 Layout Components */

header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 1.25rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary);
    letter-spacing: -0.025em;
}

.brand span {
    color: var(--accent);
}

/* 💳 UI Components */

.container {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 1.5rem;
}

.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    padding: 2rem;
    overflow: hidden;
}

/* 📊 Progress Bar (Pinto) */

.pinto-tracker {
    margin-top: 1.5rem;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 0.75rem;
}

.days-count {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.days-total {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.progress-track {
    height: 12px;
    background-color: #f1f5f9;
    border-radius: 999px;
    position: relative;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), #10b981);
    border-radius: 999px;
    transition: width 1s ease-out;
}

/* 🔘 Buttons */

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    border: none;
    font-size: 0.875rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-accent:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* 📋 Typography for Official Style */

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.025em;
    font-weight: 700;
}

.section-label {
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 1rem;
    display: block;
}

/* 💠 Premium UI Additions */

.btn-premium {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-premium:active {
    transform: scale(0.95);
}

.glass-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    box-shadow: 0 20px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
}

/* 📱 Responsive */

@media (max-width: 768px) {
    .container {
        margin: 1.5rem auto;
    }
    .card {
        padding: 1.5rem;
    }
}