:root {
    --primary-color: #004aad;
    /* Okyanus Blue */
    --primary-dark: #003366;
    --primary-light: #4d82cb;
    --accent-color: #ff8c00;
    /* Safety Orange */
    --text-dark: #1a1a1a;
    --text-light: #ffffff;
    --text-muted: #666666;
    --bg-light: #f4f7fa;
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 74, 173, 0.1);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.15);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background & Utilities */
.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #f0f4f8 0%, #e6eef5 100%);
    z-index: -2;
}

.background-overlay::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(circle, rgba(0, 74, 173, 0.05) 0%, rgba(0, 0, 0, 0) 70%);
    border-radius: 50%;
    z-index: -1;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(0, 74, 173, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 74, 173, 0.4);
}

.btn-outline {
    border: 1px solid rgba(0, 74, 173, 0.2);
    color: var(--primary-color);
    background: transparent;
}

.btn-outline:hover {
    background: rgba(0, 74, 173, 0.05);
    border-color: var(--primary-color);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Header */
.main-header {
    padding: 20px 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 60px;
    /* Adjusted size for better visibility */
    width: auto;
    object-fit: contain;
}

.system-badge {
    background: rgba(0, 74, 173, 0.1);
    color: var(--primary-color);
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 1px;
    border: 1px solid rgba(0, 74, 173, 0.2);
}

.main-nav ul {
    display: flex;
    gap: 32px;
}

.main-nav a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.main-nav a.active,
.main-nav a:hover {
    color: var(--primary-color);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.main-nav a.active::after,
.main-nav a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    /* Changed to full height */
    padding-top: 100px;
    display: flex;
    align-items: center;
    position: relative;
    /* Use the generated image here (placeholder for now, will replace with artifact) */
    /* background-image: url('igs_hero_bg.webp');  We will handle this dynamically if needed, or rely on CSS gradient */
}

/* Use the new image as a blended background for the hero section, not body */
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('igs_hero_bg.png') no-repeat center center/cover;
    /* We will need to copy the artifact here */
    opacity: 0.1;
    /* Very subtle */
    z-index: -1;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1), rgba(0, 0, 0, 0));
    -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 1), rgba(0, 0, 0, 0));
}


.hero-container {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 60px;
    align-items: center;
    width: 100%;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--primary-dark);
}

.hero-content .highlight {
    color: var(--primary-color);
    background: linear-gradient(120deg, rgba(0, 74, 173, 0.1) 0%, rgba(0, 74, 173, 0) 100%);
    padding-right: 10px;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 500px;
}

.feature-pills {
    display: flex;
    gap: 16px;
}

.pill {
    display: flex;
    align-items: center;
    gap: 8px;
    background: white;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--primary-dark);
    box-shadow: var(--shadow-sm);
    font-weight: 500;
}

.pill i {
    color: var(--accent-color);
}

/* Login Card */
.login-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.card-header {
    margin-bottom: 32px;
    text-align: center;
}

.card-header h2 {
    font-size: 1.8rem;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.card-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper i {
    position: absolute;
    left: 16px;
    color: var(--text-muted);
    font-size: 1.1rem;
}

.input-wrapper input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    border: 1px solid #e0e0e0;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.8);
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 74, 173, 0.1);
    background: white;
}

.toggle-password {
    position: absolute;
    right: 16px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    font-size: 0.9rem;
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    color: var(--text-muted);
}

.checkbox-container input {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid #ddd;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.checkmark::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: white;
    font-size: 10px;
    opacity: 0;
    transform: scale(0.5);
    transition: var(--transition);
}

.checkbox-container input:checked~.checkmark {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-container input:checked~.checkmark::after {
    opacity: 1;
    transform: scale(1);
}

.forgot-password {
    color: var(--primary-color);
    font-weight: 500;
}

.card-footer {
    margin-top: 24px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.card-footer a {
    color: var(--primary-color);
    font-weight: 600;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: -60px;
    /* Overlap hero */
    margin-bottom: 80px;
    position: relative;
    z-index: 2;
}

.feature-card {
    background: white;
    padding: 30px;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.icon-box {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.icon-box.warning {
    background: rgba(255, 140, 0, 0.1);
    color: var(--accent-color);
}

.icon-box.info {
    background: rgba(0, 74, 173, 0.1);
    color: var(--primary-color);
}

.icon-box.success {
    background: rgba(0, 200, 83, 0.1);
    color: #00c853;
}

.feature-card h3 {
    font-size: 1.25rem;
    color: var(--primary-dark);
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Footer */
.main-footer {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding: 40px 0;
    background: white;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    color: var(--primary-dark);
    font-size: 1.2rem;
    opacity: 0.7;
}

.social-links a:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        padding-top: 40px;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        margin: 0 auto 32px;
    }

    .feature-pills {
        justify-content: center;
        margin-bottom: 40px;
    }

    .login-card {
        max-width: 450px;
        margin: 0 auto;
    }

    .features-grid {
        grid-template-columns: 1fr;
        margin-top: 40px;
    }
}

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

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

.animate-fade-up {
    animation: fadeUp 0.8s ease-out forwards;
    opacity: 0;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}