/* ===============================================
   CURIS FAQ - SUPER ADMINISTRATOR
   Interactive, Modern & Professional Design System
   =============================================== */

/* ----------------
   VARIABLES AND THEME SETUP
   ---------------- */
:root {
    /* Brand Colors */
    --primary-color: #1D2A3B;
    /* Deep Navy */
    --accent-color: #00BFA5;
    /* Vibrant Teal */
    --secondary-color: #FF6B35;
    /* Sunset Orange */
    --neutral-light: #F5F5F7;
    /* Soft Gray */
    --neutral-dark: #333333;
    /* Charcoal Gray */

    /* Extended Color System */
    --success-color: #34C759;
    --error-color: #FF3B30;
    --warning-color: #FFCC00;
    --info-color: #5AC8FA;

    /* Gradients */
    --primary-gradient: linear-gradient(135deg, var(--primary-color), #2D4054);
    --accent-gradient: linear-gradient(135deg, var(--accent-color), #00E2C3);
    --secondary-gradient: linear-gradient(135deg, var(--secondary-color), #FF8556);

    /* Typography */
    --font-primary: 'Poppins', sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 3rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-pill: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 15px 40px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 0.2s;
    --transition-medium: 0.3s;
    --transition-slow: 0.5s;

    /* Z-index Layer System */
    --z-header: 100;
    --z-dropdown: 200;
    --z-overlay: 300;
    --z-modal: 400;
    --z-tooltip: 500;
}

/* ----------------
   RESET & BASE STYLES
   ---------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    color: var(--neutral-dark);
    background-color: var(--neutral-light);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-image:
        radial-gradient(circle at 10% 20%, rgba(0, 191, 165, 0.03) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(29, 42, 59, 0.03) 0%, transparent 20%),
        radial-gradient(circle at 50% 50%, rgba(255, 107, 53, 0.02) 0%, transparent 30%);
    background-attachment: fixed;
    transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-primary);
    color: var(--primary-color);
    margin-bottom: var(--space-md);
    line-height: 1.3;
    font-weight: 600;
    position: relative;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: var(--space-lg);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

h1::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: var(--radius-pill);
    transition: width var(--transition-medium) cubic-bezier(0.165, 0.84, 0.44, 1);
}

h1:hover::after {
    width: 100%;
}

h2 {
    font-size: 2rem;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
    position: relative;
    display: inline-block;
}

h2::before {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--accent-color);
    transition: width var(--transition-medium) cubic-bezier(0.165, 0.84, 0.44, 1);
}

h2:hover::before {
    width: 50px;
}

h3 {
    font-size: 1.5rem;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
}

p {
    margin-bottom: var(--space-md);
}

strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* Links */
a {
    color: var(--accent-color);
    text-decoration: none;
    position: relative;
    transition: color var(--transition-medium);
}

a::after {
    content: '';
    position: absolute;
    width: 100%;
    transform: scaleX(0);
    height: 1px;
    bottom: -2px;
    left: 0;
    background-color: var(--accent-color);
    transform-origin: bottom right;
    transition: transform 0.3s ease-out;
}

a:hover {
    color: #008e7b;
}

a:hover::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

/* Lists */
ul,
ol {
    margin-left: var(--space-lg);
    margin-bottom: var(--space-md);
}

li {
    margin-bottom: var(--space-sm);
    position: relative;
}

ul li::marker {
    color: var(--accent-color);
}

/* Form Elements */
input,
select,
textarea {
    font-family: var(--font-primary);
    font-size: 1rem;
    padding: var(--space-md);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-md);
    background-color: white;
    color: var(--neutral-dark);
    width: 100%;
    transition: all var(--transition-medium);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 191, 165, 0.1);
    transform: translateY(-1px);
}

input::placeholder {
    color: rgba(0, 0, 0, 0.3);
}

/* Buttons */
button {
    cursor: pointer;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 500;
    padding: var(--space-md) var(--space-xl);
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 0 4px 15px rgba(0, 191, 165, 0.2);
}

button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.7s ease;
    z-index: -1;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 191, 165, 0.3);
}

button:hover::before {
    left: 100%;
}

button:active {
    transform: translateY(0);
    box-shadow: 0 3px 10px rgba(0, 191, 165, 0.2);
}

button:disabled {
    background: linear-gradient(135deg, #d1d1d6, #e3e3e8);
    color: #a1a1a6;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

/* ----------------
   HEADER STYLES
   ---------------- */
header {
    background: var(--primary-gradient);
    color: white;
    padding: var(--space-md) 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    transition: all var(--transition-medium);
}

header:hover {
    box-shadow: var(--shadow-lg);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.logo {
    display: flex;
    align-items: center;
    transition: transform var(--transition-medium);
}

.logo:hover {
    transform: scale(1.05);
}

.logo img {
    height: 40px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
}

nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    gap: var(--space-xl);
}

nav li {
    margin: 0;
}

nav a {
    color: white;
    font-weight: 500;
    padding: var(--space-sm) 0;
    display: inline-block;
    position: relative;
}

nav a::after {
    background-color: white;
}

nav a:hover {
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

/* ----------------
   MAIN CONTENT
   ---------------- */
main {
    flex: 1;
    padding: var(--space-xl) 0;
}

/* ----------------
   FAQ HERO SECTION
   ---------------- */
.faq-hero {
    background: white;
    padding: var(--space-xxl) var(--space-lg);
    margin-bottom: var(--space-xl);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.faq-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(0, 191, 165, 0.05) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-content p {
    max-width: 800px;
    font-size: 1.1rem;
    line-height: 1.7;
}

/* ----------------
   SEARCH SECTION
   ---------------- */
.faq-search-section {
    padding: var(--space-lg) 0;
    max-width: 800px;
    margin: 0 auto;
}

.search-container {
    position: relative;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background: white;
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-lg);
    padding: var(--space-sm);
    transition: all var(--transition-medium);
}

.search-input-wrapper:hover,
.search-input-wrapper:focus-within {
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}

.search-icon {
    position: absolute;
    left: var(--space-lg);
    color: var(--accent-color);
    font-size: 1.2rem;
}

#faqSearch {
    padding: var(--space-md) var(--space-md) var(--space-md) var(--space-xxl);
    border: none;
    background: transparent;
    flex: 1;
    font-size: 1rem;
}

#faqSearch:focus {
    box-shadow: none;
    transform: none;
}

#clearSearch {
    background: transparent;
    padding: var(--space-sm);
    color: #999;
    box-shadow: none;
    font-size: 1.2rem;
    display: none;
    opacity: 0;
    transition: all var(--transition-fast);
}

#clearSearch.show {
    display: flex;
    opacity: 1;
}

#clearSearch:hover {
    color: var(--error-color);
    transform: none;
    box-shadow: none;
}

/* ----------------
   CORE FEATURES SECTION
   ---------------- */
.core-features {
    max-width: 1200px;
    margin: var(--space-xxl) auto;
    padding: 0 var(--space-lg);
}

.interactive-icons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-lg);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.icon-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition-medium);
    z-index: 0;
}

.icon-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.icon-item:hover::before {
    opacity: 0.1;
}

.icon-item i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: var(--space-sm);
    transition: transform var(--transition-medium);
    position: relative;
    z-index: 1;
}

.icon-item:hover i {
    transform: scale(1.1);
}

.icon-item span {
    font-weight: 500;
    color: var(--primary-color);
    position: relative;
    z-index: 1;
}

/* ----------------
   POPULAR QUESTIONS SECTION
   ---------------- */
.popular-questions {
    max-width: 1200px;
    margin: var(--space-xxl) auto;
    padding: 0 var(--space-lg);
}

.popular-questions-list {
    margin-top: var(--space-lg);
}

.popular-question-item {
    margin-bottom: var(--space-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: white;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-medium);
}

.popular-question-item:hover {
    box-shadow: var(--shadow-lg);
}

.question-toggle {
    width: 100%;
    text-align: left;
    padding: var(--space-lg);
    background: transparent;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--primary-color);
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: none;
}

.question-toggle::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--accent-color);
    transition: transform var(--transition-medium);
}

.popular-question-item.active .question-toggle::after {
    transform: rotate(180deg);
}

.answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium) ease-out;
    padding: 0 var(--space-lg);
}

.popular-question-item.active .answer {
    max-height: 2000px;
    padding: var(--space-md) var(--space-lg) var(--space-lg);
}

/* Answer Feedback */
.answer-feedback {
    margin-top: var(--space-xl);
    padding-top: var(--space-md);
    border-top: 1px solid var(--neutral-light);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.answer-feedback p {
    margin: 0;
    color: #666;
}

.feedback-btn {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: transparent;
    color: #666;
    box-shadow: none;
    border: 1px solid #ddd;
}

.feedback-btn:hover {
    transform: none;
    box-shadow: none;
}

.yes-btn:hover {
    background-color: rgba(52, 199, 89, 0.1);
    color: var(--success-color);
    border-color: var(--success-color);
}

.no-btn:hover {
    background-color: rgba(255, 59, 48, 0.1);
    color: var(--error-color);
    border-color: var(--error-color);
}

/* ----------------
   FAQ CATEGORIES
   ---------------- */
.faq-categories {
    max-width: 1200px;
    margin: var(--space-xxl) auto;
    padding: 0 var(--space-lg);
}

.category-description {
    font-size: 1.1rem;
    max-width: 800px;
    margin-bottom: var(--space-xl);
    color: #666;
}

.faq-category {
    margin-bottom: var(--space-md);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-medium);
}

.faq-category:hover {
    box-shadow: var(--shadow-lg);
}

.category-toggle {
    width: 100%;
    text-align: left;
    padding: var(--space-lg);
    background: transparent;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    box-shadow: none;
    position: relative;
}

.category-toggle i:first-child {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.toggle-icon {
    margin-left: auto;
    transition: transform var(--transition-medium);
}

.faq-category.active .toggle-icon {
    transform: rotate(180deg);
}

.category-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}

.faq-category.active .category-content {
    max-height: 5000px;
}

.faq-question {
    border-top: 1px solid var(--neutral-light);
    margin: 0;
}

/* ----------------
   WHY MATTERS SECTION
   ---------------- */
.why-matters {
    max-width: 800px;
    margin: var(--space-xxl) auto;
    padding: var(--space-xxl);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.why-matters::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--accent-gradient);
}

.tagline {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-top: var(--space-lg);
    font-weight: 500;
}

/* ----------------
   SUBMIT TICKET MODAL
   ---------------- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
    backdrop-filter: blur(5px);
}

.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: white;
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: scale(0.95);
    opacity: 0;
    transition: all var(--transition-medium);
    position: relative;
}

.modal.show .modal-content {
    transform: scale(1);
    opacity: 1;
}

.modal-content h2 {
    padding: var(--space-lg);
    margin: 0;
    background: var(--primary-gradient);
    color: white;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.modal-content h2::before {
    display: none;
}

.close-modal {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
    transition: transform var(--transition-medium);
    z-index: 10;
}

.close-modal:hover {
    transform: rotate(90deg);
}

#ticketForm,
#supportForm {
    padding: var(--space-lg);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 500;
    color: var(--primary-color);
}

.required {
    color: var(--error-color);
    margin-left: 2px;
}

.attachment-note {
    font-size: 0.8rem;
    color: #666;
    margin-top: var(--space-xs);
}

.submit-button {
    display: block;
    width: 100%;
    margin-top: var(--space-lg);
}

/* ----------------
   BACK TO TOP BUTTON
   ---------------- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: white;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-medium);
    z-index: var(--z-header);
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* ----------------
   FOOTER STYLES
   ---------------- */
footer {
    background: var(--primary-gradient);
    color: white;
    padding: var(--space-xl) 0 var(--space-lg);
    margin-top: auto;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-gradient);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Dark Mode Toggle */
.footer-theme button {
    background-color: transparent;
    color: white;
    padding: var(--space-sm);
    font-size: 1.2rem;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: none;
    transition: all var(--transition-medium);
}

.footer-theme button:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: rotate(20deg);
}

.footer-theme button::before {
    display: none;
}

/* Social Links */
.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    color: white;
    font-size: 1.2rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    transition: all var(--transition-medium);
    position: relative;
}

.footer-social a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--accent-color);
    border-radius: 50%;
    transform: scale(0);
    transition: transform var(--transition-medium);
    z-index: 0;
}

.footer-social a:hover {
    transform: translateY(-5px);
}

.footer-social a:hover::before {
    transform: scale(1);
}

.footer-social a::after {
    display: none;
}

.footer-social i {
    position: relative;
    z-index: 1;
}

/* Footer Middle Section */
.footer-middle {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-middle h4 {
    color: white;
    margin-bottom: var(--space-md);
    font-size: 1.1rem;
    position: relative;
    display: inline-block;
}

.footer-middle h4::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--accent-color);
    transition: width var(--transition-medium);
}

.footer-middle h4:hover::after {
    width: 100%;
}

.footer-middle ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-middle li {
    margin-bottom: var(--space-sm);
    transition: transform var(--transition-medium);
}

.footer-middle li:hover {
    transform: translateX(5px);
}

.footer-middle a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-medium);
}

.footer-middle a:hover {
    color: white;
}

.footer-middle a::after {
    background-color: white;
}

/* Footer Bottom */
.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ----------------
   DARK MODE STYLES
   ---------------- */
body.dark-mode {
    background-color: #121212;
    color: rgba(255, 255, 255, 0.87);
    background-image:
        radial-gradient(circle at 10% 20%, rgba(0, 191, 165, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(29, 42, 59, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 50% 50%, rgba(255, 107, 53, 0.03) 0%, transparent 30%);
}

.dark-mode h1,
.dark-mode h2,
.dark-mode h3,
.dark-mode h4,
.dark-mode h5,
.dark-mode h6,
.dark-mode strong {
    color: rgba(255, 255, 255, 0.95);
}

.dark-mode h1 {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(200, 200, 200, 0.8));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.dark-mode .faq-hero,
.dark-mode .icon-item,
.dark-mode .popular-question-item,
.dark-mode .faq-category,
.dark-mode .why-matters,
.dark-mode .modal-content {
    background-color: #1E1E1E;
    color: rgba(255, 255, 255, 0.87);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.dark-mode .search-input-wrapper {
    background-color: #252525;
    border: 1px solid #333;
}

.dark-mode #faqSearch {
    color: rgba(255, 255, 255, 0.87);
}

.dark-mode #faqSearch::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.dark-mode .icon-item:hover::before {
    opacity: 0.05;
}

.dark-mode .question-toggle,
.dark-mode .category-toggle {
    color: rgba(255, 255, 255, 0.95);
}

.dark-mode .faq-question {
    border-top-color: #333;
}

.dark-mode .answer-feedback {
    border-top-color: #333;
}

.dark-mode .answer-feedback p,
.dark-mode .feedback-btn {
    color: rgba(255, 255, 255, 0.6);
}

.dark-mode .feedback-btn {
    border-color: #333;
}

.dark-mode input,
.dark-mode select,
.dark-mode textarea {
    background-color: #252525;
    border-color: #333;
    color: rgba(255, 255, 255, 0.87);
}

.dark-mode input:focus,
.dark-mode select:focus,
.dark-mode textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 191, 165, 0.2);
}

.dark-mode .form-group label {
    color: rgba(255, 255, 255, 0.95);
}

.dark-mode .attachment-note {
    color: rgba(255, 255, 255, 0.5);
}

.dark-mode .category-description {
    color: rgba(255, 255, 255, 0.6);
}

.dark-mode #darkModeToggle i {
    transform: rotate(180deg);
}

/* ----------------
   RESPONSIVE DESIGN
   ---------------- */
@media (max-width: 1200px) {

    .hero-content,
    .core-features,
    .popular-questions,
    .faq-categories {
        padding: 0 var(--space-md);
    }
}

@media (max-width: 992px) {
    html {
        font-size: 15px;
    }

    .interactive-icons {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: var(--space-md);
    }

    .icon-item {
        padding: var(--space-md);
    }

    .icon-item i {
        font-size: 1.5rem;
    }

    .why-matters {
        margin: var(--space-xl) auto;
        padding: var(--space-xl);
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: var(--space-md);
    }

    nav ul {
        gap: var(--space-md);
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    .faq-hero {
        padding: var(--space-xl) var(--space-md);
    }

    .question-toggle,
    .category-toggle {
        font-size: 1rem;
        padding: var(--space-md);
    }

    .footer-top {
        flex-direction: column;
        gap: var(--space-md);
    }

    .footer-middle {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .interactive-icons {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    }

    .icon-item span {
        font-size: 0.9rem;
    }

    .modal-content {
        width: 95%;
        border-radius: var(--radius-lg);
    }

    .modal-content h2 {
        font-size: 1.3rem;
        padding: var(--space-md);
    }

    .back-to-top {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        bottom: 20px;
        right: 20px;
    }
}

/* ----------------
   ANIMATION UTILITIES
   ---------------- */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }

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

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.fade-in-down {
    animation: fadeInDown 0.5s ease forwards;
}

.fade-in-left {
    animation: fadeInLeft 0.5s ease forwards;
}

/* Staggered entrance animations */
.icon-item:nth-child(1) {
    animation: fadeIn 0.5s ease 0.1s forwards;
    opacity: 0;
}

.icon-item:nth-child(2) {
    animation: fadeIn 0.5s ease 0.2s forwards;
    opacity: 0;
}

.icon-item:nth-child(3) {
    animation: fadeIn 0.5s ease 0.3s forwards;
    opacity: 0;
}

.icon-item:nth-child(4) {
    animation: fadeIn 0.5s ease 0.4s forwards;
    opacity: 0;
}

.icon-item:nth-child(5) {
    animation: fadeIn 0.5s ease 0.5s forwards;
    opacity: 0;
}

.icon-item:nth-child(6) {
    animation: fadeIn 0.5s ease 0.6s forwards;
    opacity: 0;
}

.icon-item:nth-child(7) {
    animation: fadeIn 0.5s ease 0.7s forwards;
    opacity: 0;
}

.icon-item:nth-child(8) {
    animation: fadeIn 0.5s ease 0.8s forwards;
    opacity: 0;
}

.icon-item:nth-child(9) {
    animation: fadeIn 0.5s ease 0.9s forwards;
    opacity: 0;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--neutral-light);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
    transition: background var(--transition-medium);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

.dark-mode::-webkit-scrollbar-track {
    background: #252525;
}

.dark-mode::-webkit-scrollbar-thumb {
    background: #4a4a4a;
}

.dark-mode::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Search Results Highlighting */
.search-highlight {
    background-color: rgba(0, 191, 165, 0.2);
    padding: 2px 4px;
    border-radius: 2px;
}

/* Category Icon Pulse Animation */
@keyframes iconPulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

.icon-item.active i {
    animation: iconPulse 1.5s infinite;
    color: var(--secondary-color);
}

/* Question Toggle Hover Effect */
.question-toggle:hover {
    background-color: rgba(0, 191, 165, 0.05);
}

.dark-mode .question-toggle:hover {
    background-color: rgba(0, 191, 165, 0.1);
}

/* Category Collapse Animation */
.category-content>* {
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.faq-category.active .category-content>* {
    opacity: 1;
    transform: translateY(0);
}

.faq-category.active .category-content>*:nth-child(1) {
    transition-delay: 0.1s;
}

.faq-category.active .category-content>*:nth-child(2) {
    transition-delay: 0.2s;
}

.faq-category.active .category-content>*:nth-child(3) {
    transition-delay: 0.3s;
}

.faq-category.active .category-content>*:nth-child(4) {
    transition-delay: 0.4s;
}

.faq-category.active .category-content>*:nth-child(5) {
    transition-delay: 0.5s;
}

/* Print Styles */
@media print {

    header,
    footer,
    .back-to-top,
    .interactive-icons,
    .faq-search-section,
    .answer-feedback,
    .footer-theme,
    .footer-social {
        display: none !important;
    }

    .faq-category {
        page-break-inside: avoid;
    }

    .faq-category.active .category-content {
        max-height: none;
    }

    .faq-hero,
    .icon-item,
    .popular-question-item,
    .faq-category,
    .why-matters {
        box-shadow: none;
        border: 1px solid #ddd;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    h1,
    h2,
    h3 {
        color: black;
        background: none;
        -webkit-background-clip: initial;
        background-clip: initial;
        page-break-after: avoid;
    }

    a {
        color: black;
        text-decoration: underline;
    }

    .question-toggle::after,
    .toggle-icon {
        display: none;
    }
}