/* ═══════════════════════════════════════════════════════
   APRAJITA KUMARI — PHYSIOTHERAPIST PORTFOLIO
   Professional Medical Theme CSS
   ═══════════════════════════════════════════════════════ */

/* ─── CSS CUSTOM PROPERTIES ─── */
:root {
    /* Primary Medical Palette */
    --primary: #0A6E6E;
    --primary-light: #0D8F8F;
    --primary-dark: #065454;
    --primary-glow: rgba(10, 110, 110, 0.3);

    /* Accent Colors */
    --accent: #1B7A6E;
    --accent-gold: #D4A84B;
    --accent-rose: #C77B8B;

    /* Navy / Dark */
    --navy: #0F1B2D;
    --navy-light: #1A2B45;
    --navy-medium: #152238;

    /* Neutrals */
    --white: #FFFFFF;
    --off-white: #F7F9FC;
    --light-gray: #E8ECF1;
    --medium-gray: #94A3B8;
    --dark-gray: #475569;
    --text-primary: #1E293B;
    --text-secondary: #64748B;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0A6E6E 0%, #1B7A6E 50%, #0D8F8F 100%);
    --gradient-hero: linear-gradient(135deg, #0F1B2D 0%, #152238 40%, #0A3D3D 100%);
    --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.95), rgba(247,249,252,0.9));
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(15, 27, 45, 0.08);
    --shadow-md: 0 4px 20px rgba(15, 27, 45, 0.12);
    --shadow-lg: 0 8px 40px rgba(15, 27, 45, 0.16);
    --shadow-xl: 0 16px 60px rgba(15, 27, 45, 0.2);
    --shadow-glow: 0 0 30px rgba(10, 110, 110, 0.25);

    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --font-accent: 'Outfit', sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.6s ease;
    --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 50%;
}

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

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

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background: var(--off-white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--primary);
    color: var(--white);
}

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

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

ul {
    list-style: none;
}

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

/* ─── PRELOADER ─── */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: var(--navy);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

#preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
}

.heartbeat-line {
    width: 200px;
    height: 60px;
    margin-bottom: 16px;
}

.heartbeat-line svg {
    width: 100%;
    height: 100%;
}

.heartbeat-path {
    fill: none;
    stroke: var(--primary-light);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 800;
    stroke-dashoffset: 800;
    animation: drawHeartbeat 2s ease-in-out infinite;
}

@keyframes drawHeartbeat {
    0% { stroke-dashoffset: 800; }
    50% { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: -800; }
}

.loader-text {
    font-family: var(--font-accent);
    color: var(--medium-gray);
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* ─── NAVBAR ─── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(15, 27, 45, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--white);
    animation: heartPulse 2s ease-in-out infinite;
}

@keyframes heartPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    font-family: var(--font-accent);
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.75);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    position: relative;
    letter-spacing: 0.3px;
    transition: var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
    background: rgba(10, 110, 110, 0.25);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    border-radius: 2px;
    background: var(--primary-light);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 10;
}

.hamburger {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--white);
    position: relative;
    transition: var(--transition-base);
    border-radius: 2px;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition-base);
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* ─── HERO SECTION ─── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background: url('assets/hero-bg.png') center/cover no-repeat;
    opacity: 0.08;
    z-index: 0;
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

/* Floating medical icons */
.floating-icons {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.float-icon {
    position: absolute;
    color: rgba(10, 110, 110, 0.12);
    font-size: 2rem;
    animation: floatUpDown 8s ease-in-out infinite;
}

.fi-1 { top: 15%; left: 5%; animation-delay: 0s; font-size: 2.5rem; }
.fi-2 { top: 25%; right: 8%; animation-delay: 1s; font-size: 1.8rem; }
.fi-3 { top: 60%; left: 3%; animation-delay: 2s; font-size: 2rem; }
.fi-4 { top: 75%; right: 12%; animation-delay: 3s; font-size: 1.5rem; }
.fi-5 { top: 40%; left: 12%; animation-delay: 4s; font-size: 1.6rem; }
.fi-6 { top: 85%; left: 18%; animation-delay: 5s; font-size: 1.8rem; }
.fi-7 { top: 10%; right: 20%; animation-delay: 6s; font-size: 2rem; }
.fi-8 { top: 50%; right: 5%; animation-delay: 7s; font-size: 1.7rem; }

@keyframes floatUpDown {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.12; }
    25% { transform: translateY(-20px) rotate(5deg); opacity: 0.2; }
    50% { transform: translateY(-10px) rotate(-3deg); opacity: 0.15; }
    75% { transform: translateY(-25px) rotate(3deg); opacity: 0.18; }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 120px 24px 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(10, 110, 110, 0.2);
    border: 1px solid rgba(10, 110, 110, 0.3);
    padding: 8px 20px;
    border-radius: 50px;
    font-family: var(--font-accent);
    font-size: 0.85rem;
    font-weight: 500;
    color: #4ECDC4;
    letter-spacing: 0.5px;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-badge i {
    font-size: 0.9rem;
}

.hero-name {
    margin-bottom: 16px;
}

.greeting {
    display: block;
    font-family: var(--font-accent);
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--medium-gray);
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.name-main {
    display: block;
    font-family: var(--font-heading);
    font-size: 3.6rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.15;
    background: linear-gradient(135deg, #FFFFFF 0%, #4ECDC4 60%, #0D8F8F 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title {
    font-family: var(--font-accent);
    font-size: 1.35rem;
    font-weight: 500;
    color: #4ECDC4;
    margin-bottom: 20px;
    min-height: 40px;
}

.cursor {
    animation: blink 1s step-end infinite;
    color: #4ECDC4;
    font-weight: 300;
}

@keyframes blink {
    50% { opacity: 0; }
}

.hero-description {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.8;
    max-width: 520px;
    margin-bottom: 32px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--font-accent);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
    opacity: 0;
    transition: var(--transition-base);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 20px rgba(10, 110, 110, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(10, 110, 110, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.25);
}

.btn-outline:hover {
    border-color: var(--primary-light);
    background: rgba(10, 110, 110, 0.1);
    transform: translateY(-3px);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 24px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
}

.stat-suffix {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: #4ECDC4;
}

.stat-label {
    display: block;
    font-family: var(--font-accent);
    font-size: 0.8rem;
    color: var(--medium-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
}

/* Hero Image */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-frame {
    position: relative;
    width: 380px;
    height: 460px;
}

.image-glow {
    position: absolute;
    inset: -20px;
    background: radial-gradient(ellipse at center, rgba(10, 110, 110, 0.3) 0%, transparent 70%);
    border-radius: var(--radius-xl);
    z-index: 0;
    animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

.image-border-animated {
    position: absolute;
    inset: -4px;
    border-radius: var(--radius-xl);
    background: conic-gradient(from 0deg, var(--primary), var(--primary-light), #4ECDC4, var(--primary-dark), var(--primary));
    z-index: 1;
    animation: rotateBorder 6s linear infinite;
}

@keyframes rotateBorder {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}

.profile-photo {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    border-radius: var(--radius-xl);
    border: 4px solid var(--navy);
}

.image-badge {
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 50px;
    font-family: var(--font-accent);
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    box-shadow: 0 4px 20px rgba(10, 110, 110, 0.4);
}

.image-badge i {
    font-size: 0.9rem;
}

/* Hero Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    text-align: center;
}

.hero-scroll-indicator a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--medium-gray);
}

.scroll-text {
    font-family: var(--font-accent);
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--primary-light);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(16px); }
}

/* ─── SECTION COMMON STYLES ─── */
.section {
    padding: var(--section-padding);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-accent);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
    background: rgba(10, 110, 110, 0.08);
    padding: 6px 20px;
    border-radius: 50px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-line {
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    margin: 0 auto;
}

/* ─── ABOUT SECTION ─── */
.about {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-slow);
}

.about-image:hover img {
    transform: scale(1.03);
}

.about-image::before {
    content: '';
    position: absolute;
    top: -12px;
    left: -12px;
    right: 12px;
    bottom: 12px;
    border: 3px solid var(--primary);
    border-radius: var(--radius-lg);
    opacity: 0.15;
    z-index: -1;
}

.about-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.85;
}

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

.about-description em {
    color: var(--text-primary);
    font-style: normal;
    font-weight: 500;
}

.about-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 30px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: var(--off-white);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.detail-item:hover {
    border-color: rgba(10, 110, 110, 0.15);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.detail-item i {
    font-size: 1.2rem;
    color: var(--primary);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 110, 110, 0.1);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.detail-label {
    display: block;
    font-size: 0.78rem;
    color: var(--medium-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.detail-value {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.detail-item.highlight {
    background: rgba(10, 110, 110, 0.06);
    border-color: rgba(10, 110, 110, 0.15);
    grid-column: span 2;
}

.detail-item.highlight i {
    color: #22c55e;
    background: rgba(34, 197, 94, 0.1);
}

.detail-item.highlight .detail-value {
    color: #22c55e;
}

/* ─── EXPERIENCE SECTION ─── */
.experience {
    background: var(--off-white);
    position: relative;
}

.experience::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: url('assets/medical-pattern.png') center/600px repeat;
    opacity: 0.03;
    pointer-events: none;
}

.experience-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--light-gray);
    position: relative;
    overflow: hidden;
}

.experience-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.exp-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.exp-icon-wrap {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.exp-title-info h3 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--text-primary);
}

.exp-org {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 500;
    font-size: 0.95rem;
    margin-top: 4px;
}

.exp-date {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(10, 110, 110, 0.08);
    color: var(--primary);
    padding: 8px 18px;
    border-radius: 50px;
    font-family: var(--font-accent);
    font-size: 0.85rem;
    font-weight: 600;
    margin-left: auto;
}

.exp-intro {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 1.02rem;
}

.exp-intro strong {
    color: var(--primary);
}

/* Department Cards */
.departments-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 28px;
}

.dept-card {
    background: var(--off-white);
    border-radius: var(--radius-md);
    padding: 24px 20px;
    text-align: center;
    transition: all var(--transition-base);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.dept-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.dept-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(10, 110, 110, 0.15);
    background: var(--white);
}

.dept-card:hover::after {
    transform: scaleX(1);
}

.dept-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: rgba(10, 110, 110, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    font-size: 1.3rem;
    color: var(--primary);
    transition: all var(--transition-base);
}

.dept-card:hover .dept-icon {
    background: var(--gradient-primary);
    color: var(--white);
    transform: scale(1.1);
}

.dept-card h4 {
    font-family: var(--font-accent);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.dept-card p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.exp-highlights {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 18px;
    background: rgba(10, 110, 110, 0.04);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary);
}

.highlight-item i {
    color: var(--primary);
    margin-top: 3px;
    flex-shrink: 0;
}

.highlight-item span {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ─── EDUCATION SECTION ─── */
.education {
    background: var(--white);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary), var(--primary-light), transparent);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    display: flex;
    margin-bottom: 40px;
}

.timeline-item:nth-child(odd) {
    justify-content: flex-start;
    padding-right: calc(50% + 40px);
}

.timeline-item:nth-child(even) {
    justify-content: flex-end;
    padding-left: calc(50% + 40px);
}

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.1rem;
    z-index: 2;
    box-shadow: 0 0 0 6px var(--white), var(--shadow-md);
    transition: transform var(--transition-spring);
}

.timeline-item:hover .timeline-marker {
    transform: translateX(-50%) scale(1.15);
}

.timeline-content {
    background: var(--off-white);
    border-radius: var(--radius-md);
    padding: 24px 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--light-gray);
    transition: all var(--transition-base);
    width: 100%;
}

.timeline-content:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.timeline-date {
    display: inline-block;
    font-family: var(--font-accent);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--primary);
    background: rgba(10, 110, 110, 0.1);
    padding: 4px 14px;
    border-radius: 50px;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.timeline-content h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.timeline-institution {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.timeline-institution i {
    color: var(--primary);
    font-size: 0.85rem;
}

.timeline-badge {
    display: inline-block;
    margin-top: 10px;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 50px;
    font-family: var(--font-accent);
    letter-spacing: 0.5px;
}

/* ─── SKILLS SECTION ─── */
.skills {
    background: var(--off-white);
    position: relative;
}

.skills::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: url('assets/medical-pattern.png') center/600px repeat;
    opacity: 0.03;
    pointer-events: none;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    position: relative;
    z-index: 1;
}

.skill-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 28px 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--light-gray);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
    transform-origin: left;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(10, 110, 110, 0.2);
}

.skill-card:hover::before {
    transform: scaleX(1);
}

.skill-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: rgba(10, 110, 110, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.4rem;
    color: var(--primary);
    transition: all var(--transition-base);
}

.skill-card:hover .skill-icon {
    background: var(--gradient-primary);
    color: var(--white);
    transform: rotateY(180deg);
}

.skill-card h4 {
    font-family: var(--font-accent);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 14px;
    line-height: 1.3;
}

.skill-bar {
    width: 100%;
    height: 6px;
    background: var(--light-gray);
    border-radius: 3px;
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 3px;
    width: 0;
    transition: width 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ─── WORKSHOPS SECTION ─── */
.workshops {
    background: var(--white);
}

.workshops-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.workshop-card {
    background: var(--off-white);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
    border: 1px solid var(--light-gray);
    display: flex;
    flex-direction: column;
}

.workshop-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 0;
}

.workshop-card:hover::before {
    opacity: 1;
}

.workshop-card > * {
    position: relative;
    z-index: 1;
}

.workshop-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: rgba(10, 110, 110, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--primary);
    margin-bottom: 20px;
    transition: all var(--transition-base);
}

.workshop-card:hover .workshop-icon {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.workshop-content h4 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    color: var(--text-primary);
    margin-bottom: 10px;
    transition: color var(--transition-base);
}

.workshop-card:hover .workshop-content h4 {
    color: var(--white);
}

.workshop-content p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.7;
    transition: color var(--transition-base);
}

.workshop-card:hover .workshop-content p {
    color: rgba(255, 255, 255, 0.8);
}

.workshop-tag {
    display: inline-block;
    margin-top: 16px;
    font-family: var(--font-accent);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    background: rgba(10, 110, 110, 0.1);
    padding: 4px 14px;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all var(--transition-base);
}

.workshop-card:hover .workshop-tag {
    color: var(--white);
    background: rgba(255, 255, 255, 0.2);
}

/* ─── HEALTHCARE CAMPS SECTION ─── */
.camps {
    background: var(--navy);
    color: var(--white);
}

.camps .section-tag {
    color: #4ECDC4;
    background: rgba(78, 205, 196, 0.1);
}

.camps .section-title {
    color: var(--white);
}

.camps .section-line {
    background: linear-gradient(135deg, #4ECDC4, var(--primary-light));
}

.camps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.camp-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
}

.camp-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(78, 205, 196, 0.3);
}

.camp-icon-bg {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-full);
    background: rgba(10, 110, 110, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.6rem;
    color: #4ECDC4;
    transition: all var(--transition-base);
}

.camp-card:hover .camp-icon-bg {
    background: var(--gradient-primary);
    color: var(--white);
    transform: scale(1.1) rotate(5deg);
}

.camp-details h4 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    margin-bottom: 8px;
    color: var(--white);
}

.camp-occasion {
    display: inline-block;
    font-family: var(--font-accent);
    font-size: 0.78rem;
    font-weight: 600;
    color: #4ECDC4;
    background: rgba(78, 205, 196, 0.1);
    padding: 4px 14px;
    border-radius: 50px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.camp-details p {
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

/* ─── CONFERENCES SECTION ─── */
.conferences {
    background: var(--white);
}

.conferences-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.conf-card {
    display: flex;
    gap: 24px;
    padding: 32px;
    background: var(--off-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--light-gray);
    transition: all var(--transition-base);
}

.conf-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(10, 110, 110, 0.2);
}

.conf-year {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary);
    flex-shrink: 0;
    opacity: 0.3;
    line-height: 1;
}

.conf-card:hover .conf-year {
    opacity: 0.6;
}

.conf-content h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.4;
}

.conf-location {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 10px;
}

.conf-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.conf-type {
    display: inline-block;
    font-family: var(--font-accent);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--primary);
    background: rgba(10, 110, 110, 0.08);
    padding: 4px 14px;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.conf-type.international {
    color: var(--accent-gold);
    background: rgba(212, 168, 75, 0.1);
}

/* ─── CONTACT SECTION ─── */
.contact {
    background: var(--off-white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-info h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 14px;
}

.contact-info > p {
    font-size: 1.02rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 30px;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 20px 24px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--light-gray);
    transition: all var(--transition-base);
}

.contact-card:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-md);
    border-color: rgba(10, 110, 110, 0.2);
}

.cc-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.cc-info h4 {
    font-family: var(--font-accent);
    font-size: 0.82rem;
    color: var(--medium-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.cc-info p {
    font-size: 0.95rem;
    color: var(--text-primary);
    font-weight: 500;
}

.cc-info a {
    color: var(--primary);
}

.cc-info a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Contact Form */
.contact-form-wrap {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--light-gray);
}

.form-group {
    position: relative;
    margin-bottom: 24px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 18px 16px 48px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-primary);
    background: var(--off-white);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    outline: none;
    transition: all var(--transition-base);
    resize: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(10, 110, 110, 0.1);
}

.form-group label {
    position: absolute;
    top: 50%;
    left: 48px;
    transform: translateY(-50%);
    font-size: 0.92rem;
    color: var(--medium-gray);
    pointer-events: none;
    transition: all var(--transition-base);
}

.form-group textarea ~ label {
    top: 20px;
    transform: none;
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: -10px;
    left: 14px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    background: var(--white);
    padding: 0 6px;
    transform: none;
}

.form-group i {
    position: absolute;
    top: 50%;
    left: 18px;
    transform: translateY(-50%);
    color: var(--medium-gray);
    font-size: 0.95rem;
    transition: color var(--transition-base);
}

.form-group textarea ~ i {
    top: 20px;
    transform: none;
}

.form-group input:focus ~ i,
.form-group textarea:focus ~ i {
    color: var(--primary);
}

.btn-submit {
    width: 100%;
    justify-content: center;
    padding: 16px;
    font-size: 1rem;
}

/* ─── FOOTER ─── */
.footer {
    background: var(--navy);
    color: var(--white);
    position: relative;
    padding-top: 0;
}

.footer-wave {
    color: var(--off-white);
    line-height: 0;
    margin-bottom: -1px;
}

.footer-wave svg {
    width: 100%;
    height: 80px;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 40px 0 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--white);
}

.footer-logo i {
    color: #4ECDC4;
    margin-right: 8px;
}

.footer-brand p {
    font-size: 0.85rem;
    color: var(--medium-gray);
    margin-top: 4px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-family: var(--font-accent);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: #4ECDC4;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--gradient-primary);
    transform: translateY(-3px);
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--medium-gray);
}

.footer-disclaimer {
    font-size: 0.78rem !important;
    margin-top: 4px;
    opacity: 0.6;
}

/* ─── BACK TO TOP ─── */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px rgba(10, 110, 110, 0.4);
}

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

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(10, 110, 110, 0.5);
}

/* ─── ANIMATIONS ─── */
.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.6s; }
.delay-5 { animation-delay: 0.75s; }

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

/* Reveal Animations */
.reveal-left,
.reveal-right,
.reveal-up {
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-left {
    transform: translateX(-40px);
}

.reveal-right {
    transform: translateX(40px);
}

.reveal-up {
    transform: translateY(40px);
}

.reveal-left.revealed,
.reveal-right.revealed,
.reveal-up.revealed {
    opacity: 1;
    transform: translate(0);
}

/* ─── RESPONSIVE DESIGN ─── */

/* Tablet */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-description {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .image-frame {
        width: 280px;
        height: 340px;
    }

    .name-main {
        font-size: 2.8rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        max-width: 400px;
        margin: 0 auto;
    }

    .departments-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .workshops-grid {
        grid-template-columns: 1fr;
    }

    .camps-grid {
        grid-template-columns: 1fr;
    }

    .conferences-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .timeline::before {
        left: 30px;
    }

    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        padding-right: 0;
        padding-left: 80px;
        justify-content: flex-start;
    }

    .timeline-marker {
        left: 30px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --section-padding: 70px 0;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: rgba(15, 27, 45, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 100px 40px 40px;
        gap: 8px;
        transition: right var(--transition-base);
        z-index: 5;
    }

    .nav-menu.open {
        right: 0;
    }

    .nav-link {
        font-size: 1.1rem;
        padding: 12px 16px;
        width: 100%;
    }

    .nav-toggle {
        display: block;
    }

    .hero-content {
        padding: 100px 20px 60px;
    }

    .name-main {
        font-size: 2.2rem;
    }

    .hero-title {
        font-size: 1.1rem;
    }

    .hero-description {
        font-size: 0.95rem;
    }

    .image-frame {
        width: 240px;
        height: 300px;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 16px;
    }

    .stat-divider {
        display: none;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-details {
        grid-template-columns: 1fr;
    }

    .detail-item.highlight {
        grid-column: span 1;
    }

    .exp-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .exp-date {
        margin-left: 0;
    }

    .departments-grid {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .skill-card {
        padding: 20px 14px;
    }

    .contact-form-wrap {
        padding: 28px 20px;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .name-main {
        font-size: 1.8rem;
    }

    .image-frame {
        width: 200px;
        height: 260px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        justify-content: center;
    }

    .section-title {
        font-size: 1.7rem;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .experience-card {
        padding: 24px 18px;
    }

    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        padding-left: 60px;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-marker {
        left: 20px;
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }
}