:root {
    /* Corporate Color Palette (Big 4 Style) */
    --primary-color: #003366;
    /* Deep Navy Blue (McKinsey/KPMG ish) */
    --primary-hover: #002244;
    /* Darker Navy */
    --primary-light: #004d99;
    /* Lighter Navy for accents */
    --secondary-color: #D32F2F;
    /* Professional Red Accent */
    --accent-color: #00A3E0;
    /* Trustworthy Blue/Cyan */

    --bg-color: #F3F4F6;
    /* Solid Professional Grey Background */
    --card-bg: #FFFFFF;
    /* Solid White Cards */

    --text-main: #111827;
    /* Near Black */
    --text-muted: #4B5563;
    /* Grey 600 */
    --text-light: #9CA3AF;
    /* Grey 400 */

    /* Corporate Shadows & Radius */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    --radius-lg: 0.5rem;
    /* Squarer, more professional */
    --radius-md: 0.375rem;
    --radius-sm: 0.25rem;
}

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

body {
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
    /* Standard Corporate Fonts */
    background: var(--bg-color) url('../images/bg.png') no-repeat center center fixed;
    background-size: cover;
    color: var(--text-main);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

ul {
    list-style: none;
}

/* Corporate Card Utilities (Replacing Glassmorphism) */
.glass-panel {
    background: var(--card-bg);
    border: 1px solid #E5E7EB;
    /* Subtle light grey border */
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.glass-panel:hover {
    box-shadow: var(--shadow-lg);
    border-color: #D1D5DB;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Nav */
header {
    position: sticky;
    top: 1rem;
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 2rem;
    background: rgba(255, 255, 255, 0.85);
    /* Slightly more opaque for nav */
    border-radius: var(--radius-md);
}

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-main);
}

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

.nav-links .btn-primary {
    color: white !important;
}

/* Buttons */
/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    /* More formal */
}

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

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

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: #f0f7ff;
    border-color: var(--primary-hover);
    color: var(--primary-hover);
}

/* Hero Section Styles */
.hero-section {
    position: relative;
    padding: 8rem 0;
    margin-bottom: 4rem;
    overflow: hidden;
    border-radius: 2rem;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 500px;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.6));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 2rem;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    font-weight: 900;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
    color: #0f172a;
}

.hero-title span {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.6rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-main);
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
    width: 100%;
    padding: 0.75rem 0.85rem;
    border: 1px solid #D1D5DB;
    /* Standard Grey 300 */
    border-radius: 4px;
    /* Slight rounding, essentially square */
    background: #FFFFFF;
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    background: white;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.1);
    /* Subtle brand focus ring */
}

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.card {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.card-img {
    width: 200px;
    height: 160px;
    object-fit: contain;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 10px 15px rgba(0, 0, 0, 0.1));
    transition: transform 0.4s ease;
    max-width: 100%;
    display: block;
}

.card:hover .card-img {
    transform: scale(1.05);
}

.card h3 {
    margin-bottom: 1rem;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-main);
}

.card p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.5);
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 0.5rem;
}

th,
td {
    padding: 1.2rem;
    text-align: left;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

th {
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    background: rgba(255, 255, 255, 0.3);
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.4);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Utility */
.mt-2 {
    margin-top: 2rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

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