/* ==========================================================================
   CALICUT ONCOLOGY CLUB (COC) - PREMIUM DESIGN SYSTEM
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    /* HSL Color Palette */
    --clr-primary-dark: hsl(222, 47%, 15%);
    --clr-primary: hsl(222, 45%, 25%);
    --clr-primary-light: hsl(222, 40%, 35%);
    
    --clr-secondary: hsl(180, 75%, 32%);
    --clr-secondary-light: hsl(180, 70%, 45%);
    
    --clr-accent: hsl(43, 84%, 55%);
    --clr-accent-hover: hsl(43, 90%, 48%);
    
    --clr-bg: hsl(210, 33%, 98%);
    --clr-surface: hsl(0, 0%, 100%);
    --clr-surface-glass: hsla(0, 0%, 100%, 0.85);
    --clr-surface-card: hsla(210, 40%, 96%, 0.7);
    
    --clr-text-main: hsl(222, 40%, 15%);
    --clr-text-muted: hsl(222, 20%, 45%);
    --clr-text-light: hsl(0, 0%, 100%);
    
    --clr-border: hsl(220, 20%, 90%);
    --clr-border-glass: hsla(222, 45%, 25%, 0.1);
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Transitions & Shadows */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    --shadow-sm: 0 2px 8px hsla(222, 47%, 15%, 0.06);
    --shadow-md: 0 8px 24px hsla(222, 47%, 15%, 0.08);
    --shadow-lg: 0 16px 40px hsla(222, 47%, 15%, 0.12);
    --shadow-glass: 0 8px 32px hsla(222, 47%, 15%, 0.08);
    --shadow-accent: 0 8px 20px hsla(43, 84%, 55%, 0.3);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-pill: 100vw;
}

/* Dark Theme Overrides */
body.dark-theme {
    --clr-bg: hsl(222, 47%, 8%);
    --clr-surface: hsl(222, 47%, 12%);
    --clr-surface-glass: hsla(222, 47%, 14%, 0.85);
    --clr-surface-card: hsla(222, 45%, 18%, 0.6);
    
    --clr-text-main: hsl(210, 33%, 95%);
    --clr-text-muted: hsl(215, 20%, 70%);
    
    --clr-border: hsl(222, 40%, 22%);
    --clr-border-glass: hsla(255, 255, 255, 0.08);
    
    --shadow-sm: 0 2px 8px hsla(0, 0%, 0%, 0.3);
    --shadow-md: 0 8px 24px hsla(0, 0%, 0%, 0.4);
    --shadow-lg: 0 16px 40px hsla(0, 0%, 0%, 0.5);
    --shadow-glass: 0 8px 32px hsla(0, 0%, 0%, 0.4);
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--clr-bg);
    color: var(--clr-text-main);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--clr-text-main);
}

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

ul, ol {
    list-style: none;
}

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

button, input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    border: none;
    outline: none;
    background: none;
}

button {
    cursor: pointer;
}

.container {
    width: 100%;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Section Utility */
.section {
    padding: 100px 0;
    position: relative;
}

.section-bg-alt {
    background-color: var(--clr-surface);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-tagline {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--clr-secondary);
    margin-bottom: 12px;
    padding: 6px 16px;
    background: hsla(180, 75%, 32%, 0.1);
    border-radius: var(--radius-pill);
}

.section-title {
    font-size: 2.75rem;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--clr-primary-dark), var(--clr-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

body.dark-theme .section-title {
    background: linear-gradient(135deg, hsl(0, 0%, 100%), var(--clr-secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-desc {
    color: var(--clr-text-muted);
    font-size: 1.125rem;
}

/* ==========================================================================
   BUTTONS & BADGES
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-pill);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--clr-primary);
    color: var(--clr-text-light);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--clr-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: var(--clr-secondary);
    color: var(--clr-text-light);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background-color: var(--clr-secondary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-accent {
    background-color: var(--clr-accent);
    color: var(--clr-primary-dark);
    box-shadow: var(--shadow-accent);
}

.btn-accent:hover {
    background-color: var(--clr-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px hsla(43, 84%, 55%, 0.4);
}

.btn-outline {
    border: 2px solid var(--clr-border);
    color: var(--clr-text-main);
    background: transparent;
}

.btn-outline:hover {
    border-color: var(--clr-primary);
    background-color: var(--clr-primary);
    color: var(--clr-text-light);
    transform: translateY(-2px);
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--clr-surface-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--clr-border-glass);
    transition: all var(--transition-normal);
}

.header.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow-glass);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 84px;
    transition: height var(--transition-normal);
}

.header.scrolled .navbar {
    height: 70px;
}

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

.brand-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-text-light);
    font-size: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--clr-text-main);
    line-height: 1.1;
}

.brand-subtitle {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--clr-secondary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.brand-logo-icon {
    width: 48px;
    height: 48px;
    object-fit: contain;
    transition: all var(--transition-normal);
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.15));
    display: block;
}

.header.scrolled .brand-logo-icon {
    width: 40px;
    height: 40px;
}

.footer-logo-icon {
    width: 70px;
    height: 70px;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
    display: block;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    color: var(--clr-text-muted);
    position: relative;
    padding: 8px 0;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--clr-text-main);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-pill);
    background: var(--clr-surface-card);
    border: 1px solid var(--clr-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-text-main);
    font-size: 1.25rem;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--clr-primary);
    color: var(--clr-text-light);
    border-color: var(--clr-primary);
}

.mobile-toggle {
    display: none;
    font-size: 1.75rem;
    color: var(--clr-text-main);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
    min-height: 100vh;
    padding: 160px 0 100px;
    display: flex;
    align-items: center;
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, hsla(222, 47%, 15%, 0.85) 0%, hsla(222, 47%, 15%, 0.65) 100%);
    z-index: -1;
}

body.dark-theme .hero::before {
    background: linear-gradient(135deg, hsla(222, 47%, 8%, 0.92) 0%, hsla(222, 47%, 8%, 0.75) 100%);
}

.hero-content {
    max-width: 800px;
    color: var(--clr-text-light);
}

.hero-tagline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: hsla(0, 0%, 100%, 0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid hsla(0, 0%, 100%, 0.2);
    padding: 8px 20px;
    border-radius: var(--radius-pill);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 1px;
    margin-bottom: 24px;
    animation: fadeInDown 0.8s ease backwards;
}

.hero-tagline i {
    color: var(--clr-accent);
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--clr-text-light);
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-title span {
    color: var(--clr-accent);
}

.hero-desc {
    font-size: 1.25rem;
    font-weight: 400;
    color: hsla(0, 0%, 100%, 0.85);
    margin-bottom: 40px;
    max-width: 680px;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    animation: fadeInUp 0.8s ease 0.8s backwards;
}

.stat-card {
    background: hsla(0, 0%, 100%, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid hsla(0, 0%, 100%, 0.15);
    padding: 20px 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-5px);
    background: hsla(0, 0%, 100%, 0.15);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    background: hsla(43, 84%, 55%, 0.2);
    color: var(--clr-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-info h4 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--clr-text-light);
    line-height: 1.1;
}

.stat-info p {
    font-size: 0.875rem;
    color: hsla(0, 0%, 100%, 0.75);
    font-weight: 500;
}

/* ==========================================================================
   ABOUT US SECTION
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-img-box {
    position: relative;
}

.about-img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: auto;
    object-fit: cover;
}

.about-experience {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-secondary));
    color: var(--clr-text-light);
    padding: 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-width: 280px;
    display: flex;
    gap: 20px;
    align-items: center;
}

.about-experience h3 {
    font-size: 3.5rem;
    color: var(--clr-accent);
    line-height: 1;
}

.about-experience p {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    line-height: 1.3;
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.about-content p {
    color: var(--clr-text-muted);
    margin-bottom: 24px;
    font-size: 1.1rem;
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 40px;
}

.value-card {
    background: var(--clr-surface-card);
    border: 1px solid var(--clr-border);
    padding: 24px;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--clr-secondary);
}

.value-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: hsla(180, 75%, 32%, 0.1);
    color: var(--clr-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.value-card h4 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.value-card p {
    font-size: 0.95rem;
    color: var(--clr-text-muted);
    margin-bottom: 0;
}

/* ==========================================================================
   LEADERSHIP SECTION
   ========================================================================== */
.leadership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.leader-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.leader-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--clr-primary-light);
}

.leader-avatar-box {
    position: relative;
    padding: 32px 32px 0;
    background: linear-gradient(180deg, hsla(222, 45%, 25%, 0.05) 0%, hsla(222, 45%, 25%, 0) 100%);
    display: flex;
    justify-content: center;
}

.leader-avatar {
    width: 180px;
    height: 180px;
    border-radius: var(--radius-pill);
    border: 4px solid var(--clr-surface);
    box-shadow: var(--shadow-md);
}

img.leader-avatar {
    object-fit: cover;
}

.leader-badge {
    position: absolute;
    bottom: -12px;
    background: var(--clr-accent);
    color: var(--clr-primary-dark);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-sm);
}

.leader-info {
    padding: 36px 28px 28px;
    text-align: center;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.leader-name {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.leader-title {
    color: var(--clr-secondary);
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 16px;
}

.leader-hospital {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.leader-social {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: auto;
}

.leader-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-pill);
    background: var(--clr-surface-card);
    border: 1px solid var(--clr-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-text-muted);
    transition: all var(--transition-fast);
}

.leader-social a:hover {
    background: var(--clr-primary);
    color: var(--clr-text-light);
    border-color: var(--clr-primary);
}

/* ==========================================================================
   MEMBERS DIRECTORY SECTION
   ========================================================================== */
.directory-controls {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 48px;
}

.search-box {
    position: relative;
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
}

.search-box input {
    width: 100%;
    padding: 18px 24px 18px 56px;
    background: var(--clr-surface);
    border: 2px solid var(--clr-border);
    border-radius: var(--radius-pill);
    font-size: 1.05rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.search-box input:focus {
    border-color: var(--clr-secondary);
    box-shadow: var(--shadow-md);
}

.search-box i {
    position: absolute;
    left: 24px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.25rem;
    color: var(--clr-text-muted);
}

.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.filter-btn {
    padding: 10px 24px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-pill);
    color: var(--clr-text-muted);
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--clr-primary);
    color: var(--clr-text-light);
    border-color: var(--clr-primary);
    box-shadow: var(--shadow-sm);
}

.directory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.doctor-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.doctor-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--clr-secondary);
}

.doc-avatar {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-pill);
    margin: 0 auto 20px;
    border: 3px solid var(--clr-border);
    box-shadow: var(--shadow-sm);
    font-size: 2rem;
}

img.doc-avatar,
img.doc-modal-avatar {
    object-fit: cover;
    display: block;
}

.avatar-initials {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, hsla(180, 75%, 32%, 0.14) 0%, hsla(222, 45%, 25%, 0.08) 100%);
    color: var(--clr-secondary);
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    flex-shrink: 0;
}

.doc-name {
    font-size: 1.35rem;
    margin-bottom: 4px;
}

.doc-qual {
    font-size: 0.85rem;
    color: var(--clr-secondary);
    font-weight: 600;
    margin-bottom: 12px;
}

.doc-spec {
    display: inline-block;
    background: var(--clr-surface-card);
    border: 1px solid var(--clr-border);
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 16px;
}

.doc-hospital {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-grow: 1;
}

.doc-action {
    width: 100%;
}

.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 0;
    color: var(--clr-text-muted);
    font-size: 1.25rem;
}

/* ==========================================================================
   ACTIVITIES & INITIATIVES
   ========================================================================== */
.initiatives-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.init-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.init-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--clr-secondary);
}

.init-img-box {
    position: relative;
    height: 220px;
    overflow: hidden;
}

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

.init-card:hover .init-img {
    transform: scale(1.08);
}

.init-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--clr-surface-glass);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: var(--clr-primary-dark);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-sm);
}

body.dark-theme .init-badge {
    color: var(--clr-text-main);
}

.init-content {
    padding: 32px 28px;
}

.init-title {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.init-desc {
    color: var(--clr-text-muted);
    font-size: 1rem;
    margin-bottom: 24px;
}

.init-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--clr-secondary);
    transition: gap var(--transition-fast);
}

.init-card:hover .init-link {
    gap: 12px;
}

/* ==========================================================================
   EVENTS SECTION
   ========================================================================== */
.event-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}

.event-tab-btn {
    padding: 14px 32px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    background: var(--clr-surface);
    border: 2px solid var(--clr-border);
    border-radius: var(--radius-pill);
    color: var(--clr-text-muted);
    transition: all var(--transition-fast);
}

.event-tab-btn:hover,
.event-tab-btn.active {
    background: var(--clr-secondary);
    color: var(--clr-text-light);
    border-color: var(--clr-secondary);
    box-shadow: var(--shadow-md);
}

.event-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.event-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.event-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--clr-primary);
}

.event-date {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--clr-border);
}

.date-box {
    background: hsla(43, 84%, 55%, 0.15);
    border: 1px solid hsla(43, 84%, 55%, 0.3);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    text-align: center;
}

.date-day {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--clr-accent);
    line-height: 1;
}

.date-month {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--clr-text-main);
}

.event-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.event-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: var(--clr-text-muted);
    font-weight: 500;
}

.event-meta i {
    color: var(--clr-secondary);
}

.event-title {
    font-size: 1.65rem;
    margin-bottom: 16px;
}

.event-desc {
    color: var(--clr-text-muted);
    font-size: 1rem;
    margin-bottom: 32px;
    flex-grow: 1;
}

.event-card .btn {
    width: 100%;
}

.event-panel {
    display: none;
}

.event-panel.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

/* ==========================================================================
   MEMBERSHIP CTA SECTION
   ========================================================================== */
.membership-cta {
    background: linear-gradient(135deg, var(--clr-primary-dark), var(--clr-primary));
    border-radius: var(--radius-lg);
    padding: 80px 60px;
    color: var(--clr-text-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

body.dark-theme .membership-cta {
    background: linear-gradient(135deg, hsl(222, 45%, 12%), hsl(222, 45%, 18%));
    border: 1px solid var(--clr-border);
}

.membership-cta::after {
    content: '';
    position: absolute;
    right: -100px;
    bottom: -100px;
    width: 400px;
    height: 400px;
    border-radius: var(--radius-pill);
    background: radial-gradient(circle, hsla(43, 84%, 55%, 0.15) 0%, transparent 70%);
}

.cta-content {
    max-width: 650px;
    z-index: 1;
}

.cta-title {
    font-size: 3rem;
    color: var(--clr-text-light);
    margin-bottom: 20px;
}

.cta-desc {
    color: hsla(0, 0%, 100%, 0.85);
    font-size: 1.15rem;
    margin-bottom: 32px;
}

.cta-benefits {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.05rem;
}

.benefit-item i {
    color: var(--clr-accent);
    font-size: 1.25rem;
}

.cta-action {
    z-index: 1;
}

.cta-action .btn {
    padding: 20px 40px;
    font-size: 1.15rem;
}

/* ==========================================================================
   FAQ SECTION
   ========================================================================== */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--clr-secondary-light);
}

.faq-header {
    padding: 24px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
}

.faq-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--clr-text-main);
}

.faq-toggle {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-pill);
    background: var(--clr-surface-card);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-secondary);
    transition: transform var(--transition-normal);
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
    background: var(--clr-secondary);
    color: var(--clr-text-light);
}

.faq-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-content {
    padding: 0 32px 28px;
    color: var(--clr-text-muted);
    font-size: 1.05rem;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info-box {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    padding: 32px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: flex-start;
    gap: 20px;
    box-shadow: var(--shadow-sm);
}

.contact-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    background: hsla(180, 75%, 32%, 0.1);
    color: var(--clr-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    flex-shrink: 0;
}

.contact-detail h4 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.contact-detail p,
.contact-detail a {
    color: var(--clr-text-muted);
    font-size: 1.05rem;
}

.contact-detail a:hover {
    color: var(--clr-secondary);
}

.contact-form-box {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    padding: 48px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-form-box h3 {
    font-size: 2rem;
    margin-bottom: 32px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.full {
    grid-column: 1 / -1;
}

.form-label {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--clr-text-main);
}

.form-input {
    width: 100%;
    padding: 16px 20px;
    background: var(--clr-surface-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-input:focus {
    border-color: var(--clr-secondary);
    background: var(--clr-surface);
    box-shadow: 0 0 0 4px hsla(180, 75%, 32%, 0.1);
}

textarea.form-input {
    resize: vertical;
    min-height: 150px;
}

.form-hint {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    margin: 0;
}

.form-file-input {
    width: 100%;
    padding: 14px 16px;
    background: var(--clr-surface-card);
    border: 1px dashed var(--clr-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-file-input:hover,
.form-file-input:focus {
    border-color: var(--clr-secondary);
    background: var(--clr-surface);
}

.photo-preview {
    margin-top: 12px;
    display: flex;
    justify-content: center;
}

.photo-preview img {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-pill);
    object-fit: cover;
    border: 3px solid var(--clr-border);
    box-shadow: var(--shadow-sm);
}

.contact-form-box .btn {
    margin-top: 16px;
    width: 100%;
    padding: 18px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background-color: var(--clr-primary-dark);
    color: var(--clr-text-light);
    padding: 80px 0 32px;
    border-top: 1px solid hsla(0, 0%, 100%, 0.1);
}

body.dark-theme .footer {
    background-color: hsl(222, 47%, 6%);
    border-top: 1px solid var(--clr-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-col h4 {
    font-size: 1.35rem;
    color: var(--clr-text-light);
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--clr-accent);
    border-radius: var(--radius-pill);
}

.footer-about p {
    color: hsla(0, 0%, 100%, 0.75);
    margin-bottom: 24px;
    max-width: 380px;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-pill);
    background: hsla(0, 0%, 100%, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-text-light);
    font-size: 1.1rem;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--clr-accent);
    color: var(--clr-primary-dark);
    transform: translateY(-3px);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-links a {
    color: hsla(0, 0%, 100%, 0.75);
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-links a::before {
    content: '\f105';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--clr-accent);
}

.footer-links a:hover {
    color: var(--clr-accent);
    transform: translateX(4px);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
    color: hsla(0, 0%, 100%, 0.75);
}

.footer-contact-item i {
    color: var(--clr-accent);
    font-size: 1.25rem;
    margin-top: 4px;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid hsla(0, 0%, 100%, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    color: hsla(0, 0%, 100%, 0.6);
    font-size: 0.9rem;
}

/* ==========================================================================
   MODALS & TOASTS
   ========================================================================== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: hsla(222, 47%, 15%, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-normal);
}

body.dark-theme .modal-backdrop {
    background: hsla(0, 0%, 0%, 0.8);
}

.modal-backdrop.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-container {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95) translateY(20px);
    transition: all var(--transition-normal);
}

.modal-backdrop.active .modal-container {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 28px 36px;
    border-bottom: 1px solid var(--clr-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.75rem;
}

.modal-close {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-pill);
    background: var(--clr-surface-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--clr-text-muted);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: hsla(0, 100%, 50%, 0.1);
    color: hsl(0, 80%, 50%);
}

.modal-body {
    padding: 36px;
}

.doc-modal-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 36px;
    align-items: start;
}

.doc-modal-left {
    text-align: center;
}

.doc-modal-avatar {
    width: 180px;
    height: 180px;
    border-radius: var(--radius-pill);
    margin: 0 auto 20px;
    border: 4px solid var(--clr-border);
    box-shadow: var(--shadow-md);
    font-size: 2.5rem;
}

.doc-modal-right h3 {
    font-size: 2rem;
    margin-bottom: 8px;
}

.doc-modal-right .doc-spec {
    margin-bottom: 24px;
}

.doc-modal-bio {
    color: var(--clr-text-muted);
    font-size: 1.05rem;
    margin-bottom: 28px;
}

.doc-modal-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.doc-modal-item {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1.05rem;
}

.doc-modal-item i {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: hsla(180, 75%, 32%, 0.1);
    color: var(--clr-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

/* Toast */
.toast-container {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.toast {
    background: var(--clr-surface-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--clr-border);
    border-left: 6px solid var(--clr-secondary);
    padding: 20px 28px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 16px;
    transform: translateX(120%);
    opacity: 0;
    transition: all var(--transition-normal);
}

.toast.active {
    transform: translateX(0);
    opacity: 1;
}

.toast-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-pill);
    background: hsla(180, 75%, 32%, 0.15);
    color: var(--clr-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.toast-text h5 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.toast-text p {
    font-size: 0.9rem;
    color: var(--clr-text-muted);
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
    .section { padding: 80px 0; }
    .hero { padding: 140px 0 80px; }
    .hero-title { font-size: 3.25rem; }
    .about-grid, .contact-grid, .footer-grid { grid-template-columns: 1fr; gap: 48px; }
    .membership-cta { flex-direction: column; text-align: center; padding: 60px 40px; }
    .cta-benefits { justify-content: center; }
}

@media (max-width: 768px) {
    .navbar { height: 72px; }
    .mobile-toggle { display: block; }
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        width: 100%;
        background: var(--clr-surface);
        padding: 32px 24px;
        flex-direction: column;
        align-items: center;
        gap: 24px;
        box-shadow: var(--shadow-md);
        border-bottom: 1px solid var(--clr-border);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: all var(--transition-normal);
    }
    .nav-menu.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
    .hero-title { font-size: 2.5rem; }
    .section-title { font-size: 2.25rem; }
    .about-experience { position: relative; bottom: 0; right: 0; margin-top: 24px; width: 100%; max-width: none; }
    .doc-modal-grid { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .contact-form-box { padding: 32px 24px; }
}