/* CodeVerification.net - Enterprise Digital Asset Verification Platform */
/* Established 2019 */

/* ========================================
   CSS RESET & BASE STYLES
   ======================================== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: #333333;
    background-color: #f8f9fa;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ========================================
   COLOR VARIABLES
   ======================================== */

:root {
    --primary-blue: #1e3a5f;
    --secondary-blue: #3d6b99;
    --accent-blue: #5a8fc4;
    --gray-dark: #495057;
    --gray-medium: #6c757d;
    --gray-light: #adb5bd;
    --gray-lighter: #dee2e6;
    --gray-lightest: #f8f9fa;
    --white: #ffffff;
    --text-primary: #333333;
    --text-secondary: #555555;
    --success-green: #28a745;
    --warning-orange: #fd7e14;
    --error-red: #dc3545;
    --border-radius: 4px;
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    --box-shadow-hover: 0 4px 8px rgba(0, 0, 0, 0.12);
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--primary-blue);
    margin-bottom: 0.5em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

a {
    color: var(--secondary-blue);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-blue);
    text-decoration: underline;
}

/* ========================================
   LAYOUT
   ======================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-narrow {
    max-width: 600px;
}

.container-medium {
    max-width: 800px;
}

main {
    flex: 1;
    padding: 40px 0;
}

/* ========================================
   HEADER & NAVIGATION
   ======================================== */

header {
    background-color: var(--white);
    border-bottom: 1px solid var(--gray-lighter);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

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

.logo-image {
    height: 40px;
    width: auto;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-blue);
}

.logo-text span {
    color: var(--secondary-blue);
    font-weight: 400;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 25px;
    align-items: center;
}

nav a {
    color: var(--gray-dark);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 5px 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

nav a:hover {
    color: var(--primary-blue);
    text-decoration: none;
    border-bottom-color: var(--secondary-blue);
}

nav a.nav-login {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 8px 16px;
    border-radius: var(--border-radius);
    border-bottom: none;
}

nav a.nav-login:hover {
    background-color: var(--secondary-blue);
    color: var(--white);
}

/* ========================================
   FOOTER
   ======================================== */

footer {
    background-color: var(--primary-blue);
    color: var(--gray-light);
    padding: 40px 0 20px;
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h4 {
    color: var(--white);
    font-size: 0.95rem;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 8px;
}

.footer-section a {
    color: var(--gray-light);
    font-size: 0.9rem;
}

.footer-section a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.85rem;
}

.footer-bottom p {
    color: var(--gray-light);
    margin-bottom: 5px;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 500;
    text-align: center;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--secondary-blue);
    color: var(--white);
    text-decoration: none;
}

.btn-secondary {
    background-color: var(--gray-lighter);
    color: var(--gray-dark);
}

.btn-secondary:hover {
    background-color: var(--gray-light);
    color: var(--text-primary);
    text-decoration: none;
}

.btn-large {
    padding: 14px 32px;
    font-size: 1rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* ========================================
   FORMS
   ======================================== */

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

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

label .required {
    color: var(--error-red);
}

label .optional {
    color: var(--gray-medium);
    font-weight: 400;
    font-size: 0.85rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 12px 14px;
    font-size: 1rem;
    border: 1px solid var(--gray-lighter);
    border-radius: var(--border-radius);
    background-color: var(--white);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    font-family: inherit;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(61, 107, 153, 0.15);
}

input::placeholder,
textarea::placeholder {
    color: var(--gray-light);
}

input[type="file"] {
    padding: 10px;
    border: 2px dashed var(--gray-lighter);
    border-radius: var(--border-radius);
    background-color: var(--gray-lightest);
    cursor: pointer;
}

input[type="file"]:hover {
    border-color: var(--gray-light);
}

.form-help {
    font-size: 0.85rem;
    color: var(--gray-medium);
    margin-top: 5px;
}

.form-error {
    font-size: 0.85rem;
    color: var(--error-red);
    margin-top: 5px;
}

/* ========================================
   CARDS & PANELS
   ======================================== */

.card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    margin-bottom: 20px;
}

.card-header {
    border-bottom: 1px solid var(--gray-lighter);
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.panel {
    background-color: var(--white);
    border: 1px solid var(--gray-lighter);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.panel-header {
    background-color: var(--gray-lightest);
    padding: 15px 20px;
    border-bottom: 1px solid var(--gray-lighter);
}

.panel-body {
    padding: 20px;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.hero h1 {
    color: var(--white);
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.hero p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   VERIFICATION PAGE STYLES
   ======================================== */

.verify-container {
    max-width: 480px;
    margin: 60px auto;
}

.verify-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 40px;
    text-align: center;
}

.verify-icon {
    width: 60px;
    height: 60px;
    background-color: var(--gray-lightest);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.5rem;
    color: var(--primary-blue);
}

.verify-card h1 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.verify-card p {
    margin-bottom: 25px;
}

.code-input {
    font-size: 1.5rem;
    text-align: center;
    letter-spacing: 8px;
    font-weight: 600;
    padding: 15px;
}

/* ========================================
   CLAIM FORM STYLES
   ======================================== */

.claim-header {
    background-color: var(--gray-lightest);
    border-bottom: 1px solid var(--gray-lighter);
    padding: 20px 0;
}

.case-reference {
    display: inline-block;
    background-color: var(--white);
    border: 1px solid var(--gray-lighter);
    padding: 8px 16px;
    border-radius: var(--border-radius);
    font-family: "Courier New", monospace;
    font-size: 0.9rem;
    color: var(--gray-dark);
}

.case-reference strong {
    color: var(--primary-blue);
}

.claim-form-container {
    max-width: 700px;
    margin: 0 auto;
    padding: 40px 20px;
}

.claim-notice {
    background-color: #fff8e6;
    border: 1px solid #ffd666;
    border-left: 4px solid var(--warning-orange);
    padding: 15px 20px;
    margin-bottom: 30px;
    border-radius: var(--border-radius);
}

.claim-notice h4 {
    color: #996600;
    font-size: 0.95rem;
    margin-bottom: 5px;
}

.claim-notice p {
    color: #806600;
    font-size: 0.9rem;
    margin-bottom: 0;
}

.file-upload-group {
    border: 2px dashed var(--gray-lighter);
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
    background-color: var(--gray-lightest);
    margin-bottom: 10px;
    transition: border-color 0.2s ease;
}

.file-upload-group:hover {
    border-color: var(--gray-light);
}

.file-upload-group input[type="file"] {
    border: none;
    background: none;
    padding: 0;
}

.upload-section {
    margin-bottom: 25px;
}

.upload-section h4 {
    font-size: 0.95rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.upload-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

/* ========================================
   SUCCESS PAGE STYLES
   ======================================== */

.success-container {
    max-width: 550px;
    margin: 60px auto;
    text-align: center;
}

.success-icon {
    width: 80px;
    height: 80px;
    background-color: #d4edda;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2.5rem;
    color: var(--success-green);
}

.success-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 40px;
}

.success-card h1 {
    color: var(--success-green);
    margin-bottom: 15px;
}

.success-details {
    background-color: var(--gray-lightest);
    border-radius: var(--border-radius);
    padding: 20px;
    margin: 25px 0;
    text-align: left;
}

.success-details p {
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.success-details p:last-child {
    margin-bottom: 0;
}

.success-details strong {
    color: var(--text-primary);
}

/* ========================================
   ERROR PAGE STYLES
   ======================================== */

.error-container {
    max-width: 480px;
    margin: 80px auto;
    text-align: center;
}

.error-icon {
    width: 70px;
    height: 70px;
    background-color: #f8d7da;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: var(--error-red);
}

.error-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 40px;
}

.error-card h1 {
    color: var(--error-red);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* ========================================
   LOGIN FORM (Homepage)
   ======================================== */

.login-section {
    background-color: var(--gray-lightest);
    padding: 60px 0;
}

.login-card {
    max-width: 400px;
    margin: 0 auto;
    background-color: var(--white);
    padding: 35px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.login-card h2 {
    text-align: center;
    margin-bottom: 25px;
    font-size: 1.3rem;
}

/* ========================================
   CONTENT PAGES (About, Services, etc.)
   ======================================== */

.page-header {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 40px 0;
    text-align: center;
}

.page-header h1 {
    color: var(--white);
    margin-bottom: 10px;
}

.page-header p {
    color: rgba(255, 255, 255, 0.85);
    max-width: 600px;
    margin: 0 auto;
}

.content-section {
    padding: 50px 0;
}

.content-section:nth-child(even) {
    background-color: var(--white);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 25px;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background-color: var(--gray-lightest);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.3rem;
    color: var(--primary-blue);
}

/* ========================================
   FAQ STYLES
   ======================================== */

.faq-item {
    border-bottom: 1px solid var(--gray-lighter);
    padding: 20px 0;
}

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

.faq-question {
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 10px;
    font-size: 1.05rem;
}

.faq-answer {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

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

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }

.text-muted { color: var(--gray-medium); }
.text-small { font-size: 0.85rem; }

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        text-align: center;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .hero {
        padding: 40px 0;
    }
    
    .hero h1 {
        font-size: 1.7rem;
    }
    
    h1 { font-size: 1.6rem; }
    h2 { font-size: 1.3rem; }
    
    .card, .verify-card, .claim-form-container {
        padding: 25px 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .upload-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .btn {
        padding: 10px 20px;
    }
    
    .verify-card, .success-card, .error-card, .login-card {
        margin: 20px;
        padding: 25px 20px;
    }
}