/**
 * Academia Online - Design System
 * Mobile-First CSS with brand colors #32A6A6 and #111A46
 */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    /* Brand Colors */
    --color-primary: #32A6A6;
    --color-primary-light: #4BC5C5;
    --color-primary-dark: #258585;
    --color-secondary: #111A46;
    --color-secondary-light: #1E2A5E;
    --color-secondary-dark: #0A1030;

    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-gray-50: #F8FAFC;
    --color-gray-100: #F1F5F9;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #64748B;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1E293B;
    --color-gray-900: #0F172A;

    /* Semantic Colors */
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    --color-info: #3B82F6;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-hero: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary-dark) 50%, var(--color-primary) 100%);
    --gradient-card: linear-gradient(180deg, rgba(50, 166, 166, 0.1) 0%, rgba(17, 26, 70, 0.05) 100%);

    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.15);
    --glass-blur: blur(20px);

    /* Typography */
    --font-heading: 'Poppins', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;

    /* Font Sizes - Mobile First */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 40px rgba(50, 166, 166, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-gray-50);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img,
video {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

ul,
ol {
    list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-secondary);
}

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-6);
    }
}

.main-content {
    flex: 1;
}

.section {
    padding: var(--space-12) 0;
}

@media (min-width: 768px) {
    .section {
        padding: var(--space-16) 0;
    }
}

/* ============================================
   HEADER STYLES
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    transition: var(--transition-base);
}

.header--scrolled {
    box-shadow: var(--shadow-md);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

@media (min-width: 768px) {
    .header__inner {
        height: 72px;
    }
}

/* Logo */
.header__logo,
.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
}

.logo-icon svg {
    width: 20px;
    height: 20px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-secondary);
}

.logo-text .highlight {
    color: var(--color-primary);
}

/* Navigation */
.header__nav {
    display: none;
}

@media (min-width: 992px) {
    .header__nav {
        display: block;
    }
}

.nav-list {
    display: flex;
    gap: var(--space-8);
}

.nav-link {
    font-weight: 500;
    color: var(--color-gray-600);
    transition: var(--transition-fast);
    padding: var(--space-2) 0;
    position: relative;
}

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

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

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

/* Header Actions */
.header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.header__actions .btn--ghost,
.header__actions .btn--primary {
    display: none;
}

@media (min-width: 768px) {

    .header__actions .btn--ghost,
    .header__actions .btn--primary {
        display: inline-flex;
    }
}

/* Mobile Toggle */
.header__mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
}

@media (min-width: 992px) {
    .header__mobile-toggle {
        display: none;
    }
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 24px;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-secondary);
    border-radius: 2px;
    transition: var(--transition-base);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* User Dropdown */
.user-dropdown {
    position: relative;
}

.user-dropdown__trigger {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.user-dropdown__trigger:hover {
    background: var(--color-gray-100);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--color-primary);
}

.user-name {
    display: none;
    font-weight: 500;
    color: var(--color-gray-700);
}

@media (min-width: 768px) {
    .user-name {
        display: block;
    }
}

.dropdown-icon {
    width: 16px;
    height: 16px;
    color: var(--color-gray-500);
    transition: var(--transition-fast);
}

.user-dropdown__trigger[aria-expanded="true"] .dropdown-icon {
    transform: rotate(180deg);
}

.user-dropdown__menu {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    min-width: 220px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-gray-200);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-fast);
    z-index: var(--z-dropdown);
    overflow: hidden;
}

.user-dropdown__menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-user-info {
    padding: var(--space-4);
    background: var(--gradient-card);
    display: flex;
    justify-content: space-between;
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    border-bottom: 1px solid var(--color-gray-200);
}

.user-level {
    font-weight: 600;
    color: var(--color-primary);
}

.user-points {
    color: var(--color-secondary);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-gray-700);
    transition: var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--color-gray-50);
    color: var(--color-primary);
}

.dropdown-item svg {
    width: 18px;
    height: 18px;
}

.dropdown-item.text-danger {
    color: var(--color-danger);
}

.dropdown-divider {
    height: 1px;
    background: var(--color-gray-200);
    border: none;
    margin: var(--space-2) 0;
}

/* Mobile Overlay */
.mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: var(--z-modal-backdrop);
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-white);
    z-index: var(--z-modal);
    transition: var(--transition-slow);
    display: flex;
    flex-direction: column;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-gray-200);
}

.mobile-menu__close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: var(--color-gray-500);
    transition: var(--transition-fast);
}

.mobile-menu__close:hover {
    background: var(--color-gray-100);
    color: var(--color-secondary);
}

.mobile-menu__nav {
    flex: 1;
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    font-weight: 500;
    color: var(--color-gray-700);
    transition: var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background: rgba(50, 166, 166, 0.1);
    color: var(--color-primary);
}

.mobile-nav-link svg {
    width: 20px;
    height: 20px;
}

.mobile-menu__footer {
    padding: var(--space-4);
    border-top: 1px solid var(--color-gray-200);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.mobile-user-card {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-2);
}

.mobile-user-info {
    display: flex;
    flex-direction: column;
}

.mobile-user-info .user-name {
    display: block;
    font-weight: 600;
    color: var(--color-secondary);
}

.user-stats {
    font-size: var(--text-xs);
    color: var(--color-gray-500);
}

/* Flash Messages */
.flash-message {
    padding: var(--space-4) 0;
    position: relative;
}

.flash-message .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.flash-message--success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.flash-message--error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
}

.flash-message--warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
}

.flash-message--info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-info);
}

.flash-close {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
    transition: var(--transition-fast);
}

.flash-close:hover {
    opacity: 1;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-sm);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn--sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

.btn--lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

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

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

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

.btn--secondary:hover {
    background: var(--color-secondary-light);
}

.btn--ghost {
    background: transparent;
    color: var(--color-secondary);
    border-color: var(--color-gray-300);
}

.btn--ghost:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(50, 166, 166, 0.05);
}

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

.btn--white:hover {
    background: var(--color-gray-100);
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.course-card {
    display: flex;
    flex-direction: column;
}

.course-card__image {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.course-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.course-card__badge {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    padding: var(--space-1) var(--space-3);
    background: var(--color-primary);
    color: var(--color-white);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.course-card__badge--coming {
    background: var(--color-secondary);
}

.course-card__body {
    padding: var(--space-4);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.course-card__category {
    font-size: var(--text-xs);
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
}

.course-card__title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: var(--space-2);
    line-height: 1.4;
}

.course-card__description {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--space-4);
    flex: 1;
}

.course-card__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-gray-200);
}

.course-card__instructor {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

.course-card__instructor img {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
}

.course-card__rating {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    color: var(--color-warning);
    font-size: var(--text-sm);
    font-weight: 600;
}

.course-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    background: var(--color-gray-50);
}

.course-card__price {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-secondary);
}

.course-card__price--free {
    color: var(--color-success);
}

.course-card__original-price {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    text-decoration: line-through;
    margin-left: var(--space-2);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    color: var(--color-gray-800);
    background: var(--color-white);
    transition: var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(50, 166, 166, 0.1);
}

.form-input::placeholder {
    color: var(--color-gray-400);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-error {
    font-size: var(--text-sm);
    color: var(--color-danger);
    margin-top: var(--space-2);
}

.form-hint {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    margin-top: var(--space-2);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    color: var(--color-white);
    padding: calc(64px + var(--space-12)) 0 var(--space-12);
    overflow: hidden;
}

@media (min-width: 768px) {
    .hero {
        padding: calc(72px + var(--space-16)) 0 var(--space-16);
    }
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
    background-size: 50px 50px;
    opacity: 0.5;
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
}

@media (min-width: 992px) {
    .hero__content {
        text-align: left;
        max-width: 600px;
    }
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    margin-bottom: var(--space-6);
    backdrop-filter: blur(10px);
}

.hero__title {
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

@media (min-width: 768px) {
    .hero__title {
        font-size: var(--text-5xl);
    }
}

.hero__title .highlight {
    color: var(--color-primary-light);
}

.hero__description {
    font-size: var(--text-lg);
    opacity: 0.9;
    margin-bottom: var(--space-8);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 992px) {
    .hero__description {
        margin-left: 0;
    }
}

.hero__actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
}

@media (min-width: 768px) {
    .hero__actions {
        flex-direction: row;
        justify-content: center;
    }
}

@media (min-width: 992px) {
    .hero__actions {
        justify-content: flex-start;
    }
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.hero__stat {
    text-align: center;
}

@media (min-width: 992px) {
    .hero__stat {
        text-align: left;
    }
}

.hero__stat-value {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-primary-light);
}

@media (min-width: 768px) {
    .hero__stat-value {
        font-size: var(--text-4xl);
    }
}

.hero__stat-label {
    font-size: var(--text-sm);
    opacity: 0.8;
}

/* ============================================
   COURSES GRID
   ============================================ */
.courses-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 640px) {
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .courses-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1280px) {
    .courses-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--space-10);
}

.section-header__subtitle {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-2);
}

.section-header__title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
    .section-header__title {
        font-size: var(--text-4xl);
    }
}

.section-header__description {
    max-width: 600px;
    margin: 0 auto;
    color: var(--color-gray-600);
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.feature-card {
    text-align: center;
    padding: var(--space-8);
}

.feature-card__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    background: rgba(50, 166, 166, 0.1);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.feature-card__icon svg {
    width: 28px;
    height: 28px;
}

.feature-card__title {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
}

.feature-card__description {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

/* ============================================
   FOOTER STYLES
   ============================================ */
.footer {
    background: var(--color-secondary);
    color: var(--color-white);
    padding: var(--space-12) 0 var(--space-6);
}

.footer__top {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
    margin-bottom: var(--space-10);
}

@media (min-width: 768px) {
    .footer__top {
        grid-template-columns: 1.5fr 2fr;
    }
}

.footer__brand {
    max-width: 300px;
}

.footer__logo {
    margin-bottom: var(--space-4);
}

.footer__logo .logo-text {
    color: var(--color-white);
}

.footer__tagline {
    font-size: var(--text-sm);
    opacity: 0.8;
    margin-bottom: var(--space-6);
    line-height: 1.7;
}

.footer__social {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
}

.social-link svg {
    width: 18px;
    height: 18px;
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .footer__links {
        grid-template-columns: repeat(3, 1fr);
    }
}

.footer__heading {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--color-white);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__list a {
    font-size: var(--text-sm);
    opacity: 0.7;
    transition: var(--transition-fast);
}

.footer__list a:hover {
    opacity: 1;
    color: var(--color-primary-light);
}

.footer__bottom {
    padding-top: var(--space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: var(--text-sm);
    opacity: 0.7;
}

.footer__bottom .heart {
    color: var(--color-danger);
    animation: heartbeat 1.5s ease infinite;
}

@keyframes heartbeat {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.2);
    }
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center {
    text-align: center;
}

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

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

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

.text-secondary {
    color: var(--color-secondary);
}

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

.text-danger {
    color: var(--color-danger);
}

.text-warning {
    color: var(--color-warning);
}

.text-muted {
    color: var(--color-gray-500);
}

.mt-4 {
    margin-top: var(--space-4);
}

.mt-8 {
    margin-top: var(--space-8);
}

.mb-4 {
    margin-bottom: var(--space-4);
}

.mb-8 {
    margin-bottom: var(--space-8);
}

.hidden {
    display: none !important;
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.slide-up {
    animation: slideUp 0.6s ease forwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

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

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials-section {
    background: var(--gradient-card);
}

.testimonial-card {
    padding: var(--space-6);
    text-align: center;
}

.testimonial-card__quote {
    font-size: var(--text-lg);
    font-style: italic;
    color: var(--color-gray-700);
    margin-bottom: var(--space-6);
    line-height: 1.7;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
}

.testimonial-card__author img {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
}

.testimonial-card__author-info {
    text-align: left;
}

.testimonial-card__name {
    font-weight: 600;
    color: var(--color-secondary);
}

.testimonial-card__role {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: var(--gradient-hero);
    color: var(--color-white);
    text-align: center;
}

.cta-section .section-header__title {
    color: var(--color-white);
}

.cta-section .section-header__description {
    color: rgba(255, 255, 255, 0.8);
}

/* ============================================
   PILL/BADGE STYLES
   ============================================ */
.pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    background: rgba(50, 166, 166, 0.1);
    color: var(--color-primary);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.pill--secondary {
    background: rgba(17, 26, 70, 0.1);
    color: var(--color-secondary);
}

/* ============================================
   CATEGORY FILTER
   ============================================ */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    justify-content: center;
    margin-bottom: var(--space-8);
}

.category-btn {
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-600);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    transition: var(--transition-fast);
}

.category-btn:hover,
.category-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* ============================================
   RESPONSIVE PADDING FOR HEADER
   ============================================ */
body {
    padding-top: 64px;
}

@media (min-width: 768px) {
    body {
        padding-top: 72px;
    }
}

.hero {
    margin-top: -64px;
    padding-top: calc(64px + var(--space-12));
}

@media (min-width: 768px) {
    .hero {
        margin-top: -72px;
        padding-top: calc(72px + var(--space-16));
    }
}