/* =========================================
   VARIABLES & RESETS
========================================= */
:root {
    --primary-color: #0d2a4a;
    --secondary-color: #1765c9; 
    --bg-light: #f3f4f6; 
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --font-main: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { overflow-x: hidden; scroll-behavior: smooth; font-size: 16px; }

/* =========================================
   CUSTOM BLUE CURSORS
========================================= */
body { 
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M4 2 L4 22 L11 15 L18 15 Z" fill="%231765c9" stroke="%23ffffff" stroke-width="1.5" stroke-linejoin="round"/></svg>'), auto; 
}

a, button, .menu-toggle, .submenu-toggle, .carousel-photo, .info-card { 
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M14.5 9.5V6a2.5 2.5 0 0 0-5 0v3.5a.5.5 0 0 1-1 0V5a2.5 2.5 0 0 0-5 0v10.5a6.5 6.5 0 0 0 13 0V9.5a.5.5 0 0 0-1 0z" fill="%231765c9" stroke="%23ffffff" stroke-width="1.5"/></svg>'), pointer; 
}

/* =========================================
   1. BASE BODY LAYER (Bottom Layer)
========================================= */
body { 
    overflow-x: hidden; 
    font-family: var(--font-main); 
    color: var(--text-dark); 
    background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%); 
    display: flex; 
    flex-direction: column; 
    min-height: 100vh; 
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* =========================================
   2. GLOBAL DOCTOR WATERMARK (Middle Layer)
========================================= */
body:not(.homepage)::before {
    content: "";
    position: fixed; 
    top: -50%; left: -250px; width: 200%; height: 520%; 
    background-image: url('santanu-das.png'); 
    background-size: contain; 
    background-position: center; 
    background-repeat: no-repeat;
    opacity: 0.105; 
    z-index: -2; 
    pointer-events: none; 
    filter: grayscale(100%); 
}

/* =========================================
   3. BACKGROUND ANIMATION (Top Background Layer)
========================================= */
.background-animation { 
    position: fixed; 
    inset: 0; 
    z-index: -1; 
    pointer-events: none; 
}
.bubble { position: absolute; border-radius: 50%; filter: blur(70px); opacity: 0.8; }
.bubble-1 { width: 45vw; height: 45vw; background: rgba(59, 130, 246, 0.15); animation: float1 25s infinite ease-in-out; }
.bubble-2 { width: 35vw; height: 35vw; background: rgba(13, 42, 74, 0.12); animation: float2 28s infinite ease-in-out; }
@keyframes float1 { 0%, 100% { transform: translate(-10vw, 10vh); } 50% { transform: translate(60vw, 50vh); } }
@keyframes float2 { 0%, 100% { transform: translate(80vw, -10vh); } 50% { transform: translate(20vw, 40vh); } }

/* =========================================
   HEADER & NAVIGATION TOGGLE
========================================= */
header { 
    position: fixed; top: 0; width: 100%; padding: 1rem 5%; 
    display: flex; justify-content: space-between; align-items: center; 
    z-index: 2000;
    background: rgba(255,255,255,0.85); backdrop-filter: blur(10px); 
    border-bottom: 1px solid rgba(255,255,255,0.5);
}
.logo { font-size: clamp(1.2rem, 3vw, 1.5rem); color: var(--primary-color); font-weight: 800; }
.menu-toggle { display: flex; flex-direction: column; gap: 6px; cursor: pointer; padding: 5px; }
.menu-toggle .bar { width: 30px; height: 3px; background: var(--primary-color); transition: 0.4s; border-radius: 3px; }
.menu-toggle.active .bar:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.menu-toggle.active .bar:nth-child(2) { opacity: 0; }
.menu-toggle.active .bar:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* =========================================
   LEFT-SIDE SLIDING MENU BAR & ACCORDION
========================================= */
.dropdown-menu-left {
    position: fixed; top: 0; left: 0; width: 100%; max-width: 350px; height: 100vh; overflow-y: auto;
    background: rgba(255, 255, 255, 0.98); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid rgba(0,0,0,0.05); box-shadow: 15px 0 30px rgba(0,0,0,0.1);
    z-index: 1999; padding: 100px 2rem 3rem; transform: translateX(-100%); transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.dropdown-menu-left.active { transform: translateX(0); }
.menu-list { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; justify-content: flex-start; }
.menu-item { text-align: left; padding: 0.8rem 1rem; border-radius: 10px; transition: background 0.3s; flex: none !important; }
.menu-item:hover { background: rgba(23, 101, 201, 0.05); }
.menu-link { display: block; text-decoration: none; font-size: 1.3rem; font-weight: bold; color: var(--primary-color); margin-bottom: 0.3rem; transition: color 0.3s; cursor: pointer; }
.menu-link:hover { color: var(--secondary-color); }

.has-submenu { position: relative; }
.submenu-toggle { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.submenu-toggle .arrow { font-size: 0.8rem; transition: transform 0.3s; }
.submenu-toggle.open .arrow { transform: rotate(180deg); }

.submenu { list-style: none; max-height: 0; overflow: hidden; opacity: 0; transition: all 0.4s ease-in-out; background: rgba(23, 101, 201, 0.04); border-radius: 8px; margin-top: 0; }
.submenu.open { max-height: 500px; opacity: 1; margin-top: 0.8rem; padding: 0.8rem 1rem; }
.submenu li { margin-bottom: 0.6rem; }
.submenu li:last-child { margin-bottom: 0; }
.submenu a { text-decoration: none; color: var(--text-dark); font-size: 0.95rem; font-weight: 600; transition: color 0.3s; display: block; padding: 4px 0; }
.submenu a:hover { color: var(--secondary-color); padding-left: 5px; }

/* =========================================
   MAIN CONTENT & LAYOUT
========================================= */
main { 
    padding-top: 100px; 
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1); 
    flex-grow: 1; 
}
.section-title { text-align: center; font-size: 2.8rem; color: var(--primary-color); margin-bottom: 3rem; }

.animated-btn { 
    background: var(--secondary-color); color: white; border: none; padding: 1rem 2.5rem; font-size: 1.1rem; border-radius: 50px; 
    transition: all 0.3s; font-weight: bold; box-shadow: 0 10px 20px rgba(23, 101, 201, 0.3); display: inline-block; text-decoration: none; text-align: center;
}
.animated-btn:hover { background: var(--primary-color); transform: translateY(-3px); }

/* =========================================
   CREATIVE HERO SECTION (Text Left in Box, Image Right)
========================================= */
.hero-section { 
    position: relative; 
    display: flex; align-items: center; justify-content: space-between;
    padding: 6rem 5% 4rem; gap: 4rem; min-height: 80vh; max-width: 1400px; margin: 0 auto;
}

.hero-text-box {
    width: 55%; 
    position: relative; 
    z-index: 2;
    background: transparent;      /* Removes the white background */
    backdrop-filter: none;        /* Removes the blur */
    -webkit-backdrop-filter: none;
    border: none;                 /* Removes the border outline */
    box-shadow: none;             /* Removes the drop shadow */
    padding: 3rem;
}

.hero-image-container { width: 40%; position: relative; z-index: 2; display: flex; justify-content: center; }
.creative-frame { position: relative; width: 100%; max-width: 420px; height: 480px; display: flex; align-items: flex-end; justify-content: center; }
.bg-shape { position: absolute; border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; animation: morphing 10s ease-in-out infinite, organicFloat 6s ease-in-out infinite; z-index: 1; }
.shape-primary { width: 100%; height: 90%; background: linear-gradient(135deg, var(--secondary-color), #0a4b9c); bottom: 0; left: 0; opacity: 0.15; }
.shape-secondary { width: 80%; height: 80%; border: 3px solid var(--secondary-color); bottom: 5%; right: -5%; animation-delay: -2s; opacity: 0.3; }

.hero-portrait-layered { 
    position: relative; z-index: 2; width: 85%; height: 90%; object-fit: cover; 
    border-radius: 40px; border: 5px solid rgba(255, 255, 255, 0.9); 
    box-shadow: 0 20px 40px rgba(0,0,0,0.15); animation: organicFloat 6s ease-in-out infinite; animation-delay: -1s;
}

@keyframes morphing { 0% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; } 50% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; } 100% { border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%; } }
@keyframes organicFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-15px); } }

.hero-text-box h2 { font-size: 3rem; color: var(--primary-color); margin-bottom: 0.5rem; line-height: 1.1; }
.subtitle { color: var(--text-muted); font-size: 1.3rem; margin-bottom: 1.5rem; font-weight: normal; }
.hero-text-box p { font-size: 1.05rem; margin-bottom: 1.2rem; line-height: 1.7; }

/* =========================================
   GENERIC SECTIONS & RECTANGULAR CARD
========================================= */
.glass-card { 
    background: rgba(255, 255, 255, 0.85); 
    backdrop-filter: blur(12px); 
    padding: 3.5rem; 
    border-radius: 30px; 
    border: 1px solid rgba(255, 255, 255, 0.6); 
    box-shadow: 0 20px 40px rgba(13, 42, 74, 0.08); 
    text-align: left; 
    
}
.glass-card h3 { 
    font-size: 1.8rem; 
    color: var(--primary-color); 
    margin-bottom: 1.5rem; 
    border-bottom: 2px solid var(--secondary-color); 
    padding-bottom: 0.5rem; 
    display: inline-block;
    translate: translatex(-15px);
    
}

.education-card-box {
    transform: translateX(-150px); /* Keeps it shifted left */
    background: transparent;      /* Removes the white background entirely */
    backdrop-filter: none;        /* Removes the blur effect */
    -webkit-backdrop-filter: none;
    border: none;                 /* Removes the outline border */
    box-shadow: none;             /* Removes the shadow if you want it entirely flat and clear */
}

.main-content-box {
    transform: translateX(30px); /* Keeps it shifted left */
    background: transparent;      /* Removes the white background entirely */
    backdrop-filter: none;        /* Removes the blur effect */
    -webkit-backdrop-filter: none;
    border: none;                 /* Removes the outline border */
    box-shadow: none;             /* Removes the shadow if you want it entirely flat and clear */
}

/* =========================================
   EDITORIAL SERIF ITALIC (Education Card Style)
========================================= */
.edu-custom-font {
    font-family: 'Georgia', 'Times New Roman', serif;
    font-style: italic;
    color: var(--text-dark);
}

.edu-item { margin-bottom: 1.5rem; }

.condition-section { padding: 4rem 5%; border-bottom: 1px solid rgba(0,0,0,0.05); }
.step-list { list-style: none; counter-reset: step-counter; }
.step-list li { position: relative; padding-left: 3.5rem; margin-bottom: 1.5rem; font-size: 1.1rem; line-height: 1.6; }
.step-list li::before { content: counter(step-counter); counter-increment: step-counter; position: absolute; left: 0; top: -2px; width: 35px; height: 35px; background-color: var(--secondary-color); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; box-shadow: 0 4px 10px rgba(23, 101, 201, 0.3); }

/* =========================================
   GRID PANELS (Info, Media, Gallery) - Hover Effect
========================================= */
.centered-section { text-align: center; padding: 5rem 5%; }
.grid-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2.5rem; text-align: left; max-width: 1400px; margin: 0 auto; }

.info-card { 
    background: white; 
    padding: 2.5rem; 
    border-radius: 15px; 
    text-decoration: none; 
    color: inherit; 
    box-shadow: 0 10px 20px rgba(0,0,0,0.05); 
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); 
    display: block; 
    border: 1px solid rgba(0,0,0,0.05); 
}
.info-card:hover { 
    transform: translateY(-10px); 
    background-color: var(--secondary-color); 
    border-color: var(--secondary-color);
    box-shadow: 0 15px 30px rgba(23, 101, 201, 0.3);
}
.info-card:hover h3,
.info-card:hover h4 { color: #ffffff !important; }
.info-card:hover p { color: rgba(255, 255, 255, 0.9); }

.info-card h3 { color: var(--secondary-color); margin-bottom: 1rem; font-size: 1.4rem; transition: color 0.3s; }
.info-card h4 { color: var(--secondary-color); margin-bottom: 0.75rem; font-size: 1.3rem; transition: color 0.3s; }
.info-card p { font-size: 1.1rem; line-height: 1.6; transition: color 0.3s; }

/* Image Protection Safeguards */
img {
    -webkit-user-select: none;
    user-select: none;
    -webkit-user-drag: none;
}

/* =========================================
   PREMIUM BOXED FOOTER & COPYRIGHT
========================================= */
.main-footer {
    background: linear-gradient(135deg, var(--primary-color), #0a4b9c); 
    color: rgba(255, 255, 255, 0.9); 
    padding: 2rem 3rem;
    max-width: 1200px;
    width: 90%;
    margin: auto auto 2rem auto; 
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(13, 42, 74, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 10; 
    display: flex;
    flex-direction: row-reverse; 
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap; 
    gap: 1.5rem;
}
.main-footer p { font-size: 1.05rem; margin-bottom: 0; letter-spacing: 0.5px; }
.creator-credits { color: #93c5fd; font-weight: 700; }

/* =========================================
   MEDIA QUERIES (TABLETS & MOBILE)
========================================= */
@media (max-width: 1024px) {
    .hero-section { flex-direction: column-reverse; text-align: center; gap: 2rem; padding-top: 4rem; justify-content: center; min-height: auto; }
    .hero-image-container, .hero-text-box { width: 100%; }
    .hero-text-box { text-align: center !important; }
}

@media (max-width: 768px) {
    .section-title { font-size: 2.2rem; }
    .hero-text-box h2 { font-size: 2.2rem; }
    .subtitle { font-size: 1.1rem; }
    .dropdown-menu-left { padding-top: 90px; }
    .creative-frame { height: 380px; max-width: 300px; margin: 0 auto; }
    .glass-card, .hero-text-box { padding: 2rem; }
    .main-footer { flex-direction: column; text-align: center; padding: 2rem 1.5rem; margin: auto 5% 1.5rem 5%; border-radius: 15px; }
    
    /* ADD THIS LINE HERE TO RESET SHIFTS ON MOBILE */
    .education-card-box, .main-content-box { transform: translateX(0); }
}

/* Prevent sliding menu flash on page load/save */
.dropdown-menu-left {
    display: block !important;
    visibility: visible;
}

/* =========================================
   PURE IMAGE CAROUSEL STYLES
========================================= */
.pure-image-carousel {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.pure-image-carousel .carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.pure-image-carousel .carousel-slide.active {
    opacity: 1;
    z-index: 2;
}

.pure-image-carousel .carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-popup-tag {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(13, 42, 74, 0.75);
    color: white;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    pointer-events: none;
    z-index: 3;
    backdrop-filter: blur(4px);
}

/* Footer Legal Link Style */
.footer-legal-link {
    color: #93c5fd;
    text-decoration: underline;
    cursor: pointer;
    font-weight: 600;
    transition: color 0.3s;
}
.footer-legal-link:hover {
    color: #ffffff;
}

/* Legal Modal Popup Styles */
.legal-modal {
    display: none;
    position: fixed;
    z-index: 3000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(6px);
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.legal-modal-content {
    background: #ffffff;
    color: var(--text-dark, #1e293b);
    padding: 2.5rem;
    border-radius: 20px;
    max-width: 700px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    text-align: left;
}

.legal-modal-content h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.legal-modal-content h3 {
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}

.legal-modal-content p, .legal-modal-content li {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.legal-modal-content ul {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.legal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    color: #64748b;
    font-size: 32px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.legal-close:hover {
    color: var(--primary-color);
}