/* ============================================
   GAURANGA DAS — OFFICIAL WEBSITE
   Design System & Global Styles
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400&family=Lora:ital,wght@0,400;0,600;1,400&family=Inter:wght@300;400;500;600;700&family=Cormorant+Garamond:ital,wght@0,400;0,600;1,400;1,600&display=swap');

/* --- CSS Variables (Design Tokens) --- */
:root {
    /* Primary */
    --saffron: #FF9933;
    --krishna-blue: #1A237E;
    /* Secondary */
    --golden-yellow: #F4C430;
    --temple-cream: #FFF8E7;
    /* Accent */
    --leaf-green: #2E7D32;
    --lotus-pink: #E91E63;
    --soft-gold: #D4AF37;
    /* Neutrals */
    --dark: #1a1a2e;
    --dark-surface: #16213e;
    --text-primary: #2c2c2c;
    --text-secondary: #555;
    --text-light: #f0f0f0;
    --white: #fff;
    --overlay-dark: rgba(26, 26, 46, 0.75);
    --overlay-blue: rgba(26, 35, 126, 0.7);
    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Lora', Georgia, serif;
    --font-ui: 'Inter', system-ui, sans-serif;
    --font-quote: 'Cormorant Garamond', Georgia, serif;
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    /* Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --radius-pill: 50px;
    --radius-circle: 50%;
    /* Transitions */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.2s var(--ease);
    --transition-med: 0.4s var(--ease);
    --transition-slow: 0.7s var(--ease);
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 15px 50px rgba(0, 0, 0, 0.18);
    --shadow-glow-saffron: 0 0 30px rgba(255, 153, 51, 0.3);
}

/* --- Reset --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background: var(--temple-cream);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

ul,
ol {
    list-style: none;
}

button {
    cursor: pointer;
    font-family: var(--font-ui);
    border: none;
    background: none;
}

h1,
h2,
h3,
h4,
h5 {
    font-family: var(--font-heading);
    line-height: 1.25;
    color: var(--krishna-blue);
}

h1 {
    font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: 900;
}

h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
}

h3 {
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    font-weight: 700;
}

p {
    margin-bottom: 1rem;
}

/* --- Utility --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

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

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

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

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-pill);
    font-family: var(--font-ui);
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    transition: all var(--transition-med);
    text-transform: uppercase;
}

.btn-primary {
    background: linear-gradient(135deg, var(--saffron), var(--golden-yellow));
    color: var(--dark);
    box-shadow: var(--shadow-glow-saffron);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(255, 153, 51, 0.45);
}

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

.btn-outline:hover {
    background: var(--saffron);
    color: var(--white);
}

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

.btn-blue:hover {
    background: #283593;
    transform: translateY(-2px);
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 18px 0;
    transition: all var(--transition-med);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(26, 35, 126, 0.95);
    backdrop-filter: blur(12px);
    padding: 12px 0;
    box-shadow: var(--shadow-md);
}

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

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

.nav-logo img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-circle);
    object-fit: cover;
}

.nav-links {
    display: flex;
    gap: 28px;
    align-items: center;
}

.nav-links a {
    font-family: var(--font-ui);
    font-size: 0.88rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.5px;
    transition: color var(--transition-fast);
    text-transform: uppercase;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--saffron);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    padding: 4px 0;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--white);
    transition: all var(--transition-fast);
    border-radius: 2px;
}

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

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

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

/* Mobile Nav */
@media(max-width:900px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        background: var(--dark);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px var(--space-md) var(--space-md);
        transition: right var(--transition-med);
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.4);
    }

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

    .nav-links a {
        font-size: 1.1rem;
        padding: 10px 0;
    }
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    text-align: center;
    color: var(--white);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, var(--overlay-blue) 0%, var(--overlay-dark) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 850px;
    padding: var(--space-md);
}

.hero-content h1 {
    color: var(--white);
    margin-bottom: var(--space-sm);
}

.hero-subtitle {
    font-family: var(--font-quote);
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-style: italic;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-md);
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Internal Hero (subpages) */
.hero-internal {
    position: relative;
    padding: 160px 0 80px;
    text-align: center;
    color: var(--white);
    overflow: hidden;
}

.hero-internal .hero-bg::after {
    background: linear-gradient(180deg, var(--overlay-blue) 0%, rgba(26, 35, 126, 0.85) 100%);
}

/* --- Split Section --- */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
}

.split-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.split-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

@media(max-width:900px) {
    .split {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .split-image {
        order: -1;
    }
}

/* --- Card Grid --- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
}

.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-med);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.card-img {
    height: 220px;
    overflow: hidden;
}

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

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

.card-body {
    padding: var(--space-md);
}

.card-body h3 {
    margin-bottom: 0.5rem;
}

/* --- Stats/Counters --- */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    text-align: center;
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    color: var(--saffron);
    line-height: 1;
}

.stat-label {
    font-family: var(--font-ui);
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- Quote Block --- */
.quote-block {
    position: relative;
    padding: var(--space-xl) var(--space-md);
    text-align: center;
    background: var(--krishna-blue);
    color: var(--white);
    overflow: hidden;
}

.quote-block::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 15rem;
    font-family: var(--font-heading);
    color: rgba(255, 255, 255, 0.05);
    line-height: 1;
}

.quote-text {
    font-family: var(--font-quote);
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    font-style: italic;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.quote-attr {
    font-family: var(--font-ui);
    font-size: 0.9rem;
    margin-top: var(--space-sm);
    color: var(--saffron);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* --- Feature Highlight Blocks --- */
.feature-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
}

.feature-item {
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-med);
    text-align: center;
    border-top: 4px solid var(--saffron);
}

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
    display: inline-block;
}

/* --- Gallery Grid --- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-sm);
}

.gallery-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    position: relative;
    aspect-ratio: 4/3;
}

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

.gallery-item:hover img {
    transform: scale(1.06);
}

.gallery-item .gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 16px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.75));
    color: var(--white);
    font-family: var(--font-ui);
    font-size: 0.85rem;
    transform: translateY(100%);
    transition: transform var(--transition-med);
}

.gallery-item:hover .gallery-caption {
    transform: translateY(0);
}

/* --- Lightbox --- */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.92);
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 90vw;
    max-height: 85vh;
    border-radius: var(--radius-md);
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 2.5rem;
    color: var(--white);
    cursor: pointer;
    z-index: 10000;
    transition: color var(--transition-fast);
}

.lightbox-close:hover {
    color: var(--saffron);
}

.lightbox-caption {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-family: var(--font-ui);
    font-size: 1rem;
    background: rgba(0, 0, 0, 0.5);
    padding: 8px 20px;
    border-radius: var(--radius-pill);
}

/* --- Contact Form --- */
.contact-form {
    max-width: 600px;
}

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

.form-group label {
    display: block;
    font-family: var(--font-ui);
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: var(--krishna-blue);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--saffron);
    box-shadow: 0 0 0 3px rgba(255, 153, 51, 0.15);
}

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

.form-error {
    color: var(--lotus-pink);
    font-size: 0.85rem;
    font-family: var(--font-ui);
    margin-top: 4px;
    display: none;
}

/* --- Footer --- */
.site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.75);
    padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.footer-col h4 {
    color: var(--saffron);
    font-family: var(--font-ui);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--space-sm);
}

.footer-col a {
    display: block;
    padding: 4px 0;
    color: rgba(255, 255, 255, 0.65);
    font-family: var(--font-ui);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--saffron);
}

.footer-social {
    display: flex;
    gap: 16px;
    margin-top: var(--space-sm);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-circle);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transition: all var(--transition-fast);
    font-size: 1.1rem;
}

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

.footer-newsletter input {
    width: 100%;
    padding: 12px 16px;
    border: none;
    border-radius: var(--radius-pill);
    font-family: var(--font-ui);
    margin-bottom: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-md);
    text-align: center;
    font-family: var(--font-ui);
    font-size: 0.85rem;
}

.footer-bottom a {
    color: var(--saffron);
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* --- Access Code Page --- */
.access-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.access-particles {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.particle {
    position: absolute;
    border-radius: var(--radius-circle);
    opacity: 0.15;
    animation: floatParticle 20s infinite ease-in-out;
}

.particle:nth-child(1) {
    width: 300px;
    height: 300px;
    background: var(--saffron);
    top: 10%;
    left: -5%;
    animation-delay: 0s;
}

.particle:nth-child(2) {
    width: 200px;
    height: 200px;
    background: var(--krishna-blue);
    top: 60%;
    right: -3%;
    animation-delay: 5s;
}

.particle:nth-child(3) {
    width: 250px;
    height: 250px;
    background: var(--leaf-green);
    bottom: -5%;
    left: 30%;
    animation-delay: 10s;
}

.particle:nth-child(4) {
    width: 180px;
    height: 180px;
    background: var(--lotus-pink);
    top: 20%;
    right: 20%;
    animation-delay: 15s;
}

.particle:nth-child(5) {
    width: 350px;
    height: 350px;
    background: var(--soft-gold);
    bottom: 20%;
    left: 60%;
    animation-delay: 8s;
}

@keyframes floatParticle {

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

    25% {
        transform: translate(30px, -40px) scale(1.1);
    }

    50% {
        transform: translate(-20px, 20px) scale(0.9);
    }

    75% {
        transform: translate(40px, 30px) scale(1.05);
    }
}

.access-card {
    position: relative;
    z-index: 2;
    text-align: center;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-xl) var(--space-lg);
    max-width: 480px;
    width: 90%;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.3);
}

.access-card h1 {
    color: var(--saffron);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.access-card p {
    color: rgba(255, 255, 255, 0.6);
    font-family: var(--font-ui);
    font-size: 0.95rem;
    margin-bottom: var(--space-md);
}

.access-input {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.05);
    color: var(--white);
    font-family: var(--font-ui);
    font-size: 1.1rem;
    text-align: center;
    letter-spacing: 3px;
    transition: all var(--transition-fast);
}

.access-input:focus {
    outline: none;
    border-color: var(--saffron);
    box-shadow: var(--shadow-glow-saffron);
}

.access-input::placeholder {
    color: rgba(255, 255, 255, 0.3);
    letter-spacing: 1px;
}

.access-btn {
    width: 100%;
    margin-top: var(--space-sm);
    padding: 16px;
    border-radius: var(--radius-pill);
    border: none;
    background: linear-gradient(135deg, var(--saffron), var(--golden-yellow));
    color: var(--dark);
    font-family: var(--font-ui);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-med);
}

.access-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 153, 51, 0.5);
}

.access-error {
    color: var(--lotus-pink);
    font-family: var(--font-ui);
    font-size: 0.9rem;
    margin-top: var(--space-sm);
    min-height: 24px;
}

/* --- Scroll Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Loader --- */
.loader-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s var(--ease);
}

.loader-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--saffron);
    border-radius: var(--radius-circle);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* --- Section Divider --- */
.section-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.section-header h2 {
    margin-bottom: 0.5rem;
}

.section-header .section-line {
    width: 60px;
    height: 4px;
    background: var(--saffron);
    margin: var(--space-sm) auto 0;
    border-radius: 2px;
}

.section-header p {
    max-width: 650px;
    margin: var(--space-sm) auto 0;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* --- Dark Section --- */
.section-dark {
    background: var(--dark);
    color: var(--text-light);
}

.section-dark h2,
.section-dark h3 {
    color: var(--white);
}

.section-blue {
    background: var(--krishna-blue);
    color: var(--white);
}

.section-blue h2,
.section-blue h3 {
    color: var(--white);
}

.section-cream {
    background: var(--temple-cream);
}

/* --- Responsive Images --- */
.img-responsive {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: var(--radius-lg);
}

.img-portrait {
    aspect-ratio: 3/4;
}

.img-landscape {
    aspect-ratio: 16/9;
}

.img-square {
    aspect-ratio: 1/1;
}

/* --- Responsive --- */
@media(max-width:768px) {
    .section {
        padding: var(--space-lg) 0;
    }

    .container {
        padding: 0 var(--space-sm);
    }

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

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

    .feature-row {
        grid-template-columns: 1fr;
    }

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

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

@media(max-width:480px) {
    .stats-row {
        grid-template-columns: 1fr;
    }

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

    .hero-content h1 {
        font-size: 2rem;
    }
}