/* Import Cartoon & Playful Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Bubblegum+Sans&family=Fredoka:wght@400;500;600;700&display=swap');

:root {
    /* Fonts - Playful Comic Typography */
    --font-heading: 'Bubblegum Sans', 'Fredoka', cursive, sans-serif;
    --font-body: 'Fredoka', sans-serif;

    --transition-speed: 0.2s;
    --header-height: 85px;
}

/* 1. Cartoon Shore Mode (Playful Cream & Beach Pastels) */
.theme-shore {
    --color-primary: #0288d1;
    --color-primary-dark: #0d47a1;
    --color-primary-light: #e1f5fe;
    --color-accent-teal: #00b8d4;
    --color-accent-green: #2e7d32;
    --color-accent-coral: #ff6e40;
    --color-dark: #002244;
    --color-text-body: #263238;
    --color-text-muted: #546e7a;
    --color-bg-body: #e0f7fa;
    --color-bg-glass: #fffdf5; /* Warm Cream Comic Paper */
    --color-border-glass: #0d47a1;
    --color-shadow-glass: #0d47a1;
    --color-card-front: #fff9c4; /* Soft yellow sticky paper */
    --color-card-back: #ffffff;
    --color-cork-board: #efebe9;
    
    /* SVG Simulator Palette */
    --color-sky-top: #e0f7fa;
    --color-sky-bottom: #b2ebf2;
    --color-water-top: #4dd0e1;
    --color-water-bottom: #00838f;
}

/* 2. Cartoon Deep Sea Mode (Deep Sea Comic Paper) */
.theme-deepsea {
    --color-primary: #00e5ff;
    --color-primary-dark: #00e5ff;
    --color-primary-light: #0d2a4a;
    --color-accent-teal: #00b8d4;
    --color-accent-green: #69f0ae;
    --color-accent-coral: #ff8a80;
    --color-dark: #e0f7fa;
    --color-text-body: #b0bec5;
    --color-text-muted: #90a4ae;
    --color-bg-body: #0a192f;
    --color-bg-glass: #0c1b33; /* Dark Indigo Comic Paper */
    --color-border-glass: #00e5ff;
    --color-shadow-glass: #00e5ff;
    --color-card-front: #112a4a;
    --color-card-back: #0a192f;
    --color-cork-board: #2d1e18;

    /* SVG Simulator Palette */
    --color-sky-top: #050e1e;
    --color-sky-bottom: #0d233a;
    --color-water-top: #0f3970;
    --color-water-bottom: #000c1f;
}

/* Reset & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-body);
    color: var(--color-text-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 400; /* Bubbly fonts look best at standard weights */
    color: var(--color-dark);
    letter-spacing: 0.5px;
}

/* Background Waves Animation */
.ocean-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}

.wave {
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 200%;
    height: 250px;
    background-repeat: repeat-x;
    transform: translate3d(0, 0, 0);
    opacity: 0.12;
}

.wave1 {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120' preserveAspectRatio='none'%3E%3Cpath d='M0,0 C300,40 600,0 900,40 C1200,0 1500,40 1800,0 L1800,120 L0,120 Z' fill='%2300b8d4'/%3E%3C/svg%3E");
    animation: wave-animation 24s cubic-bezier(0.36, 0.45, 0.63, 0.53) infinite;
    height: 200px;
}

.wave2 {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120' preserveAspectRatio='none'%3E%3Cpath d='M0,0 C300,30 600,5 900,30 C1200,5 1500,30 1800,5 L1800,120 L0,120 Z' fill='%2300e5ff'/%3E%3C/svg%3E");
    animation: wave-animation-reverse 18s cubic-bezier(0.36, 0.45, 0.63, 0.53) infinite;
    bottom: 10px;
    height: 220px;
}

.wave3 {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 120' preserveAspectRatio='none'%3E%3Cpath d='M0,0 C300,20 600,40 900,20 C1200,40 1500,20 1800,40 L1800,120 L0,120 Z' fill='%230288d1'/%3E%3C/svg%3E");
    animation: wave-animation 14s cubic-bezier(0.36, 0.45, 0.63, 0.53) -2s infinite;
    bottom: 20px;
    height: 250px;
}

@keyframes wave-animation {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes wave-animation-reverse {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(0); }
}

/* Bubbles */
.bubble {
    position: absolute;
    bottom: -50px;
    background-color: rgba(0, 229, 255, 0.2);
    border-radius: 50%;
    animation: rise 15s infinite ease-in;
}

@keyframes rise {
    0% { bottom: -50px; transform: translateX(0); opacity: 0; }
    10% { opacity: 0.5; }
    90% { opacity: 0.5; }
    100% { bottom: 105%; transform: translateX(100px); opacity: 0; }
}

/* Comic Panel Card */
.glass-card {
    background: var(--color-bg-glass);
    border: 3.5px solid var(--color-border-glass);
    border-radius: 26px;
    box-shadow: 6px 6px 0px var(--color-shadow-glass);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.glass-card:hover {
    transform: translate(-3px, -3px);
    box-shadow: 9px 9px 0px var(--color-shadow-glass);
}

/* Navigation Header */
.main-header {
    height: var(--header-height);
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-bg-glass);
    border-bottom: 3.5px solid var(--color-border-glass);
    box-shadow: 0 4px 0px rgba(13, 71, 161, 0.1);
}

.header-container {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 12px;
}

.logo-turtle {
    filter: drop-shadow(2px 2px 0px rgba(13, 71, 161, 0.3));
}

/* Thick Sticker Outlines for Logo Turtle */
.logo-turtle circle, .logo-turtle path, .logo-turtle ellipse, .logo-turtle polygon {
    stroke: var(--color-border-glass) !important;
    stroke-width: 3.5px !important;
}

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

.title-main {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 400;
    color: var(--color-dark);
}

.title-sub {
    font-family: var(--font-body);
    font-size: 11px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--color-accent-coral);
    margin-top: -4px;
}

.nav-menu {
    display: flex;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 6px;
}

.nav-link {
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 15px;
    color: var(--color-text-body);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 20px;
    border: 3px solid transparent;
    transition: all var(--transition-speed);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link:hover, .nav-link.active {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
}

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

.theme-toggle-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 3px solid var(--color-border-glass);
    background: var(--color-bg-glass);
    color: var(--color-primary-dark);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 18px;
    box-shadow: 3px 3px 0px var(--color-shadow-glass);
    transition: all var(--transition-speed);
}

.theme-toggle-btn:hover {
    transform: rotate(15deg) scale(1.05);
    background-color: var(--color-primary-light);
}

.icon-sun { display: block; }
.icon-moon { display: none; }

.theme-deepsea .icon-sun { display: none; }
.theme-deepsea .icon-moon { display: block; }

.mobile-nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 3px solid var(--color-border-glass);
    background: var(--color-bg-glass);
    color: var(--color-primary-dark);
    cursor: pointer;
    font-size: 18px;
    justify-content: center;
    align-items: center;
}

/* Floating Tilly Mascot */
.tilly-mascot-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 99;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.tilly-turtle {
    cursor: pointer;
    animation: tilly-bob 4s ease-in-out infinite;
    filter: drop-shadow(4px 4px 0px rgba(13, 71, 161, 0.25));
    transition: transform 0.2s;
}

/* Thick Sticker Outlines for Tilly Mascot SVG */
.tilly-turtle path, .tilly-turtle ellipse, .tilly-turtle circle, .tilly-turtle polygon {
    stroke: #1b5e20 !important;
    stroke-width: 3.5px !important;
}

.tilly-turtle:hover {
    transform: scale(1.08);
}

/* Waving flippers inside Tilly SVG */
.flipper-left {
    animation: wave-flipper-l 2.5s ease-in-out infinite;
    transform-origin: 30px 48px;
}
.flipper-right {
    animation: wave-flipper-r 2.5s ease-in-out infinite;
    transform-origin: 90px 48px;
}
.flipper-back-left {
    animation: wave-flipper-l 3s ease-in-out infinite;
    transform-origin: 40px 85px;
}
.flipper-back-right {
    animation: wave-flipper-r 3s ease-in-out infinite;
    transform-origin: 80px 85px;
}
.turtle-head {
    animation: tilly-look 5s ease-in-out infinite;
    transform-origin: 60px 28px;
}

@keyframes tilly-bob {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(4deg); }
}

@keyframes tilly-look {
    0%, 100% { transform: rotate(0deg); }
    30% { transform: rotate(5deg); }
    70% { transform: rotate(-5deg); }
}

@keyframes wave-flipper-l {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(18deg); }
}

@keyframes wave-flipper-r {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(-18deg); }
}

.tilly-bubble {
    position: relative;
    background: var(--color-bg-glass);
    border: 3.5px solid var(--color-border-glass);
    border-radius: 20px;
    padding: 14px 20px;
    max-width: 270px;
    margin-bottom: 12px;
    box-shadow: 4px 4px 0px var(--color-shadow-glass);
    animation: bubble-fade 0.3s ease-out;
}

@keyframes bubble-fade {
    from { opacity: 0; transform: translateY(10px) scale(0.9); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.tilly-bubble::after {
    content: '';
    position: absolute;
    bottom: -13px;
    right: 35px;
    border-width: 13px 13px 0;
    border-style: solid;
    border-color: var(--color-border-glass) transparent;
    display: block;
    width: 0;
}

.tilly-bubble::before {
    content: '';
    position: absolute;
    bottom: -8px;
    right: 36px;
    border-width: 11px 11px 0;
    border-style: solid;
    border-color: var(--color-bg-glass) transparent;
    display: block;
    width: 0;
    z-index: 1;
}

.tilly-bubble-text {
    font-family: var(--font-body);
    font-size: 13.5px;
    line-height: 1.5;
    font-weight: 700;
    color: var(--color-dark);
}

.tilly-bubble-close {
    position: absolute;
    top: 5px;
    right: 8px;
    background: none;
    border: none;
    font-size: 16px;
    cursor: pointer;
    color: var(--color-text-muted);
}

.tilly-bubble-close:hover {
    color: var(--color-accent-coral);
}

/* Main Layout Container */
.content-container {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 40px auto;
    padding: 0 24px;
}

/* Tab Transitions */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fade-in-tab 0.4s ease-out;
}

@keyframes fade-in-tab {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Cartoon Buttons System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-size: 18px;
    padding: 12px 30px;
    border-radius: 30px;
    border: 3.5px solid var(--color-border-glass) !important;
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.1s;
    text-decoration: none;
    box-shadow: 4px 4px 0px var(--color-shadow-glass);
}

.btn-primary {
    background-color: var(--color-accent-coral);
    color: #ffffff;
}

.btn-primary:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px var(--color-shadow-glass);
    background-color: #ff5221;
}

.btn-primary:active {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0px var(--color-shadow-glass);
}

.btn-secondary {
    background-color: #fff9c4; /* Pastel yellow */
    color: var(--color-primary-dark);
}

.btn-secondary:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px var(--color-shadow-glass);
    background-color: #fff59d;
}

.btn-secondary:active {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0px var(--color-shadow-glass);
}

.btn-accent {
    background-color: #00e676; /* Bright lime green */
    color: #000;
}

.btn-accent:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px var(--color-shadow-glass);
    background-color: #69f0ae;
}

.btn-accent:active {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0px var(--color-shadow-glass);
}

.btn-block {
    width: 100%;
}

/* Helpers */
.text-center { text-align: center; }
.text-cyan { color: var(--color-accent-teal); }
.text-yellow { color: #fbc02d; }
.text-coral { color: var(--color-accent-coral); }
.hidden { display: none !important; }
.mt-4 { margin-top: 24px; }

.section-header {
    margin-bottom: 35px;
    border-bottom: 3px dashed var(--color-border-glass);
    padding-bottom: 15px;
}

.section-header h2 {
    font-size: 32px;
    margin-bottom: 8px;
    color: var(--color-primary-dark);
}

.section-header p {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-muted);
}

/* Comic Progress Bar */
.progress-bar-small {
    width: 100%;
    height: 14px;
    background-color: var(--color-primary-light);
    border: 3px solid var(--color-border-glass);
    border-radius: 12px;
    overflow: hidden;
    margin-top: 8px;
}

.progress-fill {
    height: 100%;
    background: #00e676;
    border-radius: 12px;
    transition: width 0.5s ease-in-out;
}

/* -------------------------------------
   TAB 1: HOME PAGE (Hero & Simulator)
   ------------------------------------- */
.hero-section {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    padding: 40px;
    margin-bottom: 40px;
    align-items: center;
}

.hero-text h1 {
    font-size: 52px;
    line-height: 1.1;
    margin-bottom: 12px;
    color: var(--color-dark);
}

.hero-motto {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-accent-coral);
    margin-bottom: 16px;
}

.hero-description {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 28px;
    max-width: 600px;
    font-weight: 600;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.badge-hero {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
    border: 2px solid var(--color-border-glass);
    font-family: var(--font-heading);
    font-size: 15px;
    border-radius: 50px;
    margin-bottom: 20px;
}

.hero-badge-container {
    display: flex;
    justify-content: center;
}

.badge-card {
    background: #fff9c4; /* Cartoon Yellow */
    border: 3.5px solid var(--color-border-glass);
    border-radius: 24px;
    padding: 24px;
    text-align: center;
    box-shadow: 5px 5px 0px var(--color-shadow-glass);
    width: 100%;
}

.badge-card:hover {
    transform: translate(-2px, -2px);
    box-shadow: 7px 7px 0px var(--color-shadow-glass);
}

.badge-icon {
    font-size: 44px;
    color: var(--color-primary-dark);
    margin-bottom: 12px;
}

.badge-card h3 {
    font-size: 20px;
    margin-bottom: 6px;
}

.badge-card p {
    font-family: var(--font-heading);
    font-size: 24px;
    color: var(--color-accent-green);
}

.floating-item {
    animation: floating 4s ease-in-out infinite;
}

@keyframes floating {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Tide Cleaner Simulator Details */
.simulator-section {
    padding: 40px;
}

.simulator-layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 40px;
    align-items: start;
}

.simulator-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.control-box, .info-card-container, .status-box {
    background: rgba(255, 255, 255, 0.4);
    border: 3px solid var(--color-border-glass);
    border-radius: 20px;
    padding: 20px;
}

.control-box h3, .info-card-container h3, .status-box h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--color-dark);
}

.tide-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-tide {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    font-family: var(--font-heading);
    font-size: 16px;
    border-radius: 16px;
    border: 3px solid var(--color-border-glass);
    background: var(--color-bg-glass);
    color: var(--color-text-body);
    cursor: pointer;
    transition: all 0.1s;
    box-shadow: 3px 3px 0px var(--color-shadow-glass);
}

.btn-tide:hover {
    transform: translate(-1px, -1px);
    box-shadow: 4px 4px 0px var(--color-shadow-glass);
}

.btn-tide.active {
    background: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-border-glass);
    transform: translate(2px, 2px);
    box-shadow: 0px 0px 0px var(--color-shadow-glass);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13.5px;
    font-weight: 700;
}

.status-dot {
    width: 12px;
    height: 12px;
    border: 2px solid var(--color-border-glass);
    border-radius: 50%;
}

.pulsing-green {
    background-color: #00e676;
    box-shadow: 0 0 6px #00e676;
    animation: status-pulse 1.5s infinite;
}

.pulsing-orange {
    background-color: var(--color-accent-coral);
    box-shadow: 0 0 6px var(--color-accent-coral);
    animation: status-pulse 1.5s infinite;
}

@keyframes status-pulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

/* Hotspot Information display */
.hotspot-detail-card {
    min-height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hotspot-info-default {
    text-align: center;
    color: var(--color-text-muted);
}

.pulse-icon {
    font-size: 32px;
    color: var(--color-primary-dark);
    margin-bottom: 8px;
    animation: floating 2s infinite;
}

.hotspot-info-content {
    width: 100%;
    animation: fade-in-tab 0.3s ease-out;
}

.info-number {
    display: inline-flex;
    width: 28px;
    height: 28px;
    background-color: var(--color-accent-coral);
    color: #fff;
    font-family: var(--font-heading);
    font-size: 16px;
    border-radius: 50%;
    border: 2px solid var(--color-border-glass);
    justify-content: center;
    align-items: center;
    margin-bottom: 8px;
}

.hotspot-info-content h4 {
    font-size: 22px;
    color: var(--color-dark);
    margin-bottom: 6px;
}

.hotspot-info-content p {
    font-size: 14px;
    line-height: 1.5;
    font-weight: 600;
}

/* Simulator Canvas SVG Styles */
.simulator-visual {
    background: #e0f7fa;
    border-radius: 20px;
    border: 3.5px solid var(--color-border-glass);
    overflow: hidden;
    box-shadow: 5px 5px 0px var(--color-shadow-glass);
}

.svg-wrapper {
    width: 100%;
    height: 0;
    padding-top: 75%; /* 4:3 Aspect Ratio */
    position: relative;
}

.svg-wrapper svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Make Tide Device parts have thick, cartoonish outlines */
#tide-device rect, #tide-device polygon, #tide-device path, #tide-device ellipse {
    stroke: var(--color-border-glass) !important;
    stroke-width: 3.5px !important;
}

/* Water level transition */
#ocean-water {
    stroke: var(--color-border-glass);
    stroke-width: 2px;
    transition: all 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Trash items outlines */
.sim-trash rect, .sim-trash path, .sim-trash polygon {
    stroke: var(--color-border-glass) !important;
    stroke-width: 3px !important;
}

/* Interactive part transitions */
.interactive-part {
    cursor: pointer;
    transition: filter 0.2s, opacity 0.2s;
}

.interactive-part:hover {
    filter: brightness(1.1) drop-shadow(0 0 4px var(--color-accent-teal));
}

.interactive-part.highlighted {
    filter: brightness(1.2) drop-shadow(0 0 8px var(--color-accent-green));
}

/* Hotspot markers inside SVG */
.hotspot-trigger {
    cursor: pointer;
}

.hotspot-trigger circle:not(.hotspot-pulse), .hotspot-trigger text {
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-origin: center;
    transform-box: fill-box;
}

.hotspot-trigger:hover circle:not(.hotspot-pulse) {
    transform: scale(1.2);
}

.hotspot-trigger:hover text {
    transform: scale(1.2);
}

.hotspot-trigger circle {
    stroke: var(--color-border-glass) !important;
    stroke-width: 3px !important;
}

.hotspot-pulse {
    animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
    transform-origin: center;
}

@keyframes pulse-ring {
    0% { transform: scale(0.6); opacity: 0.8; }
    100% { transform: scale(1.6); opacity: 0; }
}

/* Trash Animations under High Tide */
.tide-state-high #mechanical-flap {
    transform: scaleY(0.25) skewX(-10deg) translateY(-8px);
    opacity: 0.7;
    transform-origin: 400px 270px;
    transition: all 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.tide-state-high #ocean-water {
    y: 220px;
    height: 380px;
}

.tide-state-high #basket-trash-pile {
    opacity: 0.9;
    transition: opacity 1.5s ease-in-out;
}

/* Trash pile inside basket */
#basket-trash-pile ellipse, #basket-trash-pile rect, #basket-trash-pile circle {
    stroke: var(--color-border-glass) !important;
    stroke-width: 2.5px !important;
}

/* Dynamic Trash Particles Animations in High Tide */
.tide-state-high #trash-bottle { animation: float-bottle-high 6s infinite linear; }
.tide-state-high #trash-bag { animation: float-bag-high 8s infinite linear -2s; }
.tide-state-high #trash-cup { animation: float-cup-high 5.5s infinite linear -1s; }
.tide-state-high #trash-can { animation: float-can-high 7s infinite linear -3s; }

@keyframes float-bottle-high {
    0% { transform: translate(40px, 420px) rotate(0deg); opacity: 1; }
    30% { transform: translate(180px, 390px) rotate(30deg); opacity: 1; }
    65% { transform: translate(320px, 310px) rotate(15deg); opacity: 1; }
    85% { transform: translate(390px, 240px) rotate(0deg); opacity: 0.8; }
    95%, 100% { transform: translate(410px, 245px) scale(0.6) rotate(10deg); opacity: 0; }
}

@keyframes float-bag-high {
    0% { transform: translate(720px, 440px) rotate(0deg); opacity: 1; }
    35% { transform: translate(520px, 400px) rotate(-20deg); opacity: 1; }
    70% { transform: translate(420px, 320px) rotate(15deg); opacity: 1; }
    85% { transform: translate(380px, 240px) rotate(0deg); opacity: 0.8; }
    95%, 100% { transform: translate(375px, 245px) scale(0.6) rotate(-10deg); opacity: 0; }
}

@keyframes float-cup-high {
    0% { transform: translate(250px, 480px) rotate(0deg); opacity: 1; }
    40% { transform: translate(300px, 390px) rotate(-15deg); opacity: 1; }
    75% { transform: translate(370px, 300px) rotate(-5deg); opacity: 1; }
    90% { transform: translate(395px, 240px) rotate(0deg); opacity: 0.8; }
    100% { transform: translate(390px, 248px) scale(0.6); opacity: 0; }
}

@keyframes float-can-high {
    0% { transform: translate(580px, 460px) rotate(0deg); opacity: 1; }
    35% { transform: translate(480px, 410px) rotate(40deg); opacity: 1; }
    70% { transform: translate(410px, 310px) rotate(20deg); opacity: 1; }
    85% { transform: translate(400px, 240px) rotate(10deg); opacity: 0.8; }
    95%, 100% { transform: translate(402px, 248px) scale(0.5); opacity: 0; }
}

/* Trash Animations under Low Tide */
.tide-state-low #mechanical-flap {
    transform: scaleY(1);
    opacity: 0.95;
    transform-origin: 400px 270px;
    transition: all 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.tide-state-low #ocean-water {
    y: 300px;
    height: 300px;
}

.tide-state-low #basket-trash-pile {
    opacity: 0.9;
}

/* Trash drift outwards on low tide - cannot enter */
.tide-state-low #trash-bottle { animation: float-bottle-low 7s infinite linear; }
.tide-state-low #trash-bag { animation: float-bag-low 9s infinite linear -1s; }
.tide-state-low #trash-cup { animation: float-cup-low 6s infinite linear -2s; }
.tide-state-low #trash-can { animation: float-can-low 8s infinite linear -3s; }

@keyframes float-bottle-low {
    0% { transform: translate(250px, 360px) rotate(10deg); opacity: 0.8; }
    50% { transform: translate(140px, 420px) rotate(-10deg); opacity: 1; }
    100% { transform: translate(20px, 450px) rotate(-20deg); opacity: 0; }
}

@keyframes float-bag-low {
    0% { transform: translate(480px, 360px) rotate(0deg); opacity: 0.8; }
    60% { transform: translate(580px, 420px) rotate(15deg); opacity: 1; }
    100% { transform: translate(720px, 460px) rotate(25deg); opacity: 0; }
}

@keyframes float-cup-low {
    0% { transform: translate(290px, 380px) rotate(0deg); opacity: 0.8; }
    70% { transform: translate(200px, 450px) rotate(-25deg); opacity: 1; }
    100% { transform: translate(80px, 490px) rotate(-35deg); opacity: 0; }
}

@keyframes float-can-low {
    0% { transform: translate(460px, 370px) rotate(0deg); opacity: 0.8; }
    70% { transform: translate(550px, 450px) rotate(15deg); opacity: 1; }
    100% { transform: translate(680px, 500px) rotate(35deg); opacity: 0; }
}

/* -------------------------------------
   TAB 2: ABOUT PAGE (Flow Timeline)
   ------------------------------------- */
.about-hero {
    display: grid;
    grid-template-columns: 1fr 240px;
    gap: 40px;
    padding: 40px;
    margin-bottom: 40px;
    align-items: center;
}

.about-hero-text h2 {
    font-size: 38px;
    margin-bottom: 8px;
    color: var(--color-primary-dark);
}

.about-hero-text p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 12px;
    font-weight: 600;
}

.about-hero-text .subtitle {
    font-size: 20px;
    font-weight: 400;
    color: var(--color-accent-coral);
    margin-bottom: 20px;
}

.about-illustration {
    display: flex;
    justify-content: center;
    align-items: center;
}

.creative-icon {
    font-size: 110px;
    color: var(--color-primary);
    filter: drop-shadow(4px 4px 0px var(--color-primary-dark));
    animation: floating 4s ease-in-out infinite;
}

.flow-section {
    padding: 40px;
}

.flow-timeline {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 15px;
    align-items: center;
    margin-top: 40px;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.flow-number {
    width: 48px;
    height: 48px;
    background-color: var(--color-accent-coral);
    color: #ffffff;
    border: 3.5px solid var(--color-border-glass);
    font-family: var(--font-heading);
    font-size: 24px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 3px 3px 0px var(--color-shadow-glass);
    margin-bottom: -24px;
    z-index: 2;
}

.flow-card {
    background: rgba(255, 255, 255, 0.4);
    border: 3.5px solid var(--color-border-glass);
    border-radius: 24px;
    padding: 40px 24px 24px;
    text-align: center;
    width: 100%;
    min-height: 270px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 4px 4px 0px var(--color-shadow-glass);
    transition: transform var(--transition-speed);
}

.flow-card:hover {
    transform: translateY(-4px);
    box-shadow: 6px 6px 0px var(--color-shadow-glass);
}

.flow-icon {
    font-size: 36px;
    color: var(--color-primary-dark);
    margin-bottom: 12px;
}

.flow-card h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: var(--color-dark);
}

.flow-card p {
    font-size: 14.5px;
    line-height: 1.5;
    font-weight: 600;
}

.flow-footer {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-accent-coral);
    margin-top: 12px;
}

.flow-arrow-connector {
    font-size: 26px;
    color: var(--color-primary-dark);
    animation: pulse-arrow 2s infinite;
}

@keyframes pulse-arrow {
    0%, 100% { opacity: 0.6; transform: translateX(0); }
    50% { opacity: 1; transform: translateX(6px); }
}

/* -------------------------------------
   TAB 3: LEARNING PAGE (Flip Cards & Quiz)
   ------------------------------------- */
.facts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
    margin-bottom: 50px;
}

/* Flip Cards */
.flip-card {
    background-color: transparent;
    height: 250px;
    perspective: 1000px;
    cursor: pointer;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    transform-style: preserve-3d;
}

.flip-card.flipped .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: 24px;
    border: 3.5px solid var(--color-border-glass);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 5px 5px 0px var(--color-shadow-glass);
}

.flip-card-front {
    background-color: var(--color-card-front);
}

.card-image-placeholder {
    font-size: 56px;
    color: var(--color-primary-dark);
    margin-bottom: 16px;
    animation: floating 3s ease-in-out infinite;
}

.flip-card-front h3 {
    font-size: 22px;
    color: var(--color-dark);
}

.tap-hint {
    font-size: 12px;
    font-weight: 700;
    color: var(--color-text-body);
    margin-top: 14px;
    display: flex;
    align-items: center;
    gap: 4px;
    opacity: 0.7;
}

.flip-card-back {
    background-color: var(--color-bg-glass);
    color: var(--color-text-body);
    transform: rotateY(180deg);
}

.flip-card-back h3 {
    font-size: 20px;
    color: var(--color-accent-coral);
    margin-bottom: 10px;
}

.flip-card-back p {
    font-size: 14px;
    line-height: 1.5;
    font-weight: 600;
}

/* Card color fronts */
.card-green .card-image-placeholder { color: #2e7d32; }
.card-blue .card-image-placeholder { color: #0288d1; }
.card-yellow .card-image-placeholder { color: #fbc02d; }
.card-red .card-image-placeholder { color: #ff6e40; }

/* Ocean Guardian Quiz */
.quiz-container {
    padding: 40px;
    margin: 0 auto;
    max-width: 800px;
}

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

.quiz-badge-icon {
    font-size: 70px;
    color: #fbc02d;
    filter: drop-shadow(4px 4px 0px var(--color-primary-dark));
    margin-bottom: 20px;
    animation: floating 3s ease-in-out infinite;
}

.quiz-welcome h2 {
    font-size: 36px;
    margin-bottom: 12px;
}

.quiz-welcome p {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 30px;
}

.input-group {
    max-width: 340px;
    margin: 0 auto 30px;
    text-align: left;
}

.input-group label {
    display: block;
    font-weight: 700;
    font-size: 15px;
    margin-bottom: 8px;
    color: var(--color-dark);
}

.input-group input {
    width: 100%;
    padding: 12px 18px;
    border-radius: 16px;
    border: 3px solid var(--color-border-glass);
    background: var(--color-bg-glass);
    color: var(--color-text-body);
    font-size: 16px;
    font-family: inherit;
    font-weight: 600;
    outline: none;
    box-shadow: inset 2px 2px 5px rgba(0,0,0,0.05);
}

.input-group input:focus {
    background-color: #fff;
    border-color: var(--color-accent-coral);
}

.quiz-playing {
    width: 100%;
}

.quiz-header {
    display: flex;
    flex-direction: column;
    margin-bottom: 24px;
}

.quiz-progress-text {
    font-family: var(--font-heading);
    font-size: 18px;
    color: var(--color-primary-dark);
    margin-bottom: 4px;
}

.quiz-question-box {
    margin-bottom: 24px;
}

.quiz-question-box h3 {
    font-size: 24px;
    line-height: 1.3;
}

.quiz-options-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.quiz-option-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-radius: 16px;
    border: 3px solid var(--color-border-glass);
    background: var(--color-bg-glass);
    color: var(--color-text-body);
    font-size: 16px;
    font-family: inherit;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: transform 0.1s, background-color 0.2s;
    box-shadow: 3px 3px 0px var(--color-shadow-glass);
}

.quiz-option-btn:hover:not(:disabled) {
    background: var(--color-primary-light);
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0px var(--color-shadow-glass);
}

.quiz-option-btn.correct {
    background-color: #c8e6c9;
    border-color: #2e7d32;
    color: #1b5e20;
    transform: translate(2px, 2px);
    box-shadow: 0px 0px 0px var(--color-shadow-glass);
}

.quiz-option-btn.incorrect {
    background-color: #ffcdd2;
    border-color: #c62828;
    color: #b71c1c;
    transform: translate(2px, 2px);
    box-shadow: 0px 0px 0px var(--color-shadow-glass);
}

.quiz-option-btn:disabled {
    cursor: not-allowed;
}

.quiz-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.quiz-score-tracker {
    font-family: var(--font-heading);
    font-size: 20px;
    color: var(--color-primary-dark);
}

/* Certificate Layout */
.quiz-result {
    text-align: center;
}

.celebrate-icon {
    font-size: 70px;
    color: #2e7d32;
    filter: drop-shadow(4px 4px 0px var(--color-border-glass));
    margin-bottom: 16px;
    animation: floating 2s infinite;
}

.quiz-result h2 {
    font-size: 36px;
    margin-bottom: 8px;
}

.highlight-text {
    color: var(--color-accent-coral);
    font-family: var(--font-heading);
}

.certificate-wrapper {
    margin: 30px auto;
    max-width: 600px;
    background: #ffffff;
    border: 4px solid var(--color-border-glass);
    border-radius: 20px;
    padding: 10px;
    box-shadow: 6px 6px 0px var(--color-shadow-glass);
}

#certificate-canvas {
    width: 100%;
    height: auto;
    border-radius: 12px;
    border: 3px solid #b0bec5;
    display: block;
}

.certificate-hint {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-top: 10px;
}

.result-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* -------------------------------------
   TAB 4: CHALLENGES PAGE (List & Score)
   ------------------------------------- */
.activities-header {
    padding: 30px;
    margin-bottom: 40px;
}

.points-badge-large {
    background: #fff9c4; /* Bubbly Yellow */
    border: 3.5px solid var(--color-border-glass);
    border-radius: 24px;
    padding: 20px;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    min-width: 260px;
    box-shadow: 4px 4px 0px var(--color-shadow-glass);
    margin: 20px 0 12px;
}

.points-num {
    font-family: var(--font-heading);
    font-size: 56px;
    color: var(--color-primary-dark);
    line-height: 1;
}

.points-label {
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 12px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
}

.rank-indicator {
    font-size: 16px;
    font-weight: 700;
}

.rank-text {
    color: var(--color-accent-coral);
    font-family: var(--font-heading);
    font-size: 20px;
}

.challenges-section {
    padding: 30px;
}

.challenges-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.challenge-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.4);
    border: 3px solid var(--color-border-glass);
    transition: all 0.2s;
    box-shadow: 3px 3px 0px var(--color-shadow-glass);
}

.challenge-item:hover {
    background: var(--color-primary-light);
    transform: translateX(4px) translateY(-1px);
    box-shadow: 4px 4px 0px var(--color-shadow-glass);
}

.challenge-item.completed {
    border-color: #2e7d32;
    background-color: #e8f5e9;
    box-shadow: 0px 0px 0px rgba(0,0,0,0);
    transform: none;
}

.checkbox-wrapper {
    position: relative;
    width: 32px;
    height: 32px;
}

.challenge-checkbox {
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
}

.custom-checkbox {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-border-glass);
    border-radius: 10px;
    background: var(--color-bg-glass);
    display: flex;
    justify-content: center;
    align-items: center;
    color: transparent;
    font-size: 16px;
    transition: all 0.1s;
}

.challenge-checkbox:checked + .custom-checkbox {
    background-color: #00e676;
    border-color: #2e7d32;
    color: #ffffff;
}

.challenge-info {
    flex: 1;
}

.challenge-info h3 {
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 17px;
    margin-bottom: 4px;
    color: var(--color-dark);
}

.challenge-item.completed .challenge-info h3 {
    text-decoration: line-through;
    opacity: 0.5;
}

.challenge-info p {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--color-text-muted);
}

.challenge-points-badge {
    background: var(--color-accent-coral);
    color: #ffffff;
    border: 2px solid var(--color-border-glass);
    font-family: var(--font-heading);
    font-size: 14px;
    padding: 6px 14px;
    border-radius: 50px;
    box-shadow: 2px 2px 0px var(--color-shadow-glass);
}

.challenge-item.completed .challenge-points-badge {
    background: #b0bec5;
    border-color: #78909c;
    box-shadow: none;
}

.motto-callout-card {
    padding: 40px;
    margin-top: 40px;
}

.card-icon-heart {
    font-size: 50px;
    color: var(--color-accent-coral);
    filter: drop-shadow(3px 3px 0px var(--color-primary-dark));
    margin-bottom: 16px;
    animation: floating 2s infinite;
}

.motto-callout-card blockquote {
    font-family: var(--font-heading);
    font-size: 26px;
    color: var(--color-dark);
    line-height: 1.3;
}

.quote-author {
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 700;
    color: var(--color-text-muted);
    display: block;
    margin-top: 8px;
}

/* -------------------------------------
   TAB 5: JOIN US (Club Form & Wish Wall)
   ------------------------------------- */
.join-layout {
    display: grid;
    grid-template-columns: 410px 1fr;
    gap: 40px;
    align-items: start;
}

.join-form-block {
    padding: 30px;
}

.form-header {
    margin-bottom: 24px;
}

.form-header h2 {
    font-size: 26px;
    margin-bottom: 4px;
}

.form-header p {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-muted);
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 6px;
    color: var(--color-dark);
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px;
    border-radius: 14px;
    border: 3px solid var(--color-border-glass);
    background: var(--color-bg-glass);
    color: var(--color-text-body);
    font-family: inherit;
    font-weight: 600;
    font-size: 14.5px;
    outline: none;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    background-color: #fff;
    border-color: var(--color-accent-coral);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230d47a1' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 36px;
}

.members-ticker {
    border-top: 3px dashed var(--color-border-glass);
    padding-top: 20px;
}

.members-ticker h3 {
    font-size: 18px;
    color: var(--color-dark);
    margin-bottom: 10px;
}

.members-list {
    list-style: none;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 165px;
    overflow-y: auto;
}

.members-list li {
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 12px;
    border: 2px solid var(--color-border-glass);
    animation: fade-in-tab 0.3s ease-out;
}

/* Wish Wall Layout */
.join-wall-block {
    padding: 30px;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 590px;
}

.wall-header {
    margin-bottom: 20px;
}

.wall-header h2 {
    font-size: 26px;
    margin-bottom: 4px;
}

.wall-header p {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-muted);
}

.wish-input-box {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.wish-input-box input {
    flex: 1;
    padding: 12px;
    border-radius: 14px;
    border: 3px solid var(--color-border-glass);
    background: var(--color-bg-glass);
    color: var(--color-text-body);
    font-family: inherit;
    font-weight: 600;
    font-size: 15px;
    outline: none;
}

.wish-input-box input:focus {
    background-color: #fff;
    border-color: var(--color-accent-coral);
}

/* Cork Board */
.cork-board {
    flex: 1;
    background-color: var(--color-cork-board);
    border-radius: 20px;
    border: 6px solid #5d4037; /* Thick dark wood border */
    box-shadow: inset 0 8px 16px rgba(0,0,0,0.3);
    position: relative;
    overflow: hidden;
    min-height: 390px;
}

/* Draggable Sticky Notes */
.sticky-note {
    position: absolute;
    width: 140px;
    height: 140px;
    padding: 18px 12px 12px;
    border: 3px solid #1a237e; /* Thick comic stroke */
    box-shadow: 3px 6px 0px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: grab;
    transition: transform 0.1s, box-shadow 0.1s;
    user-select: none;
}

.sticky-note:active {
    cursor: grabbing;
    transform: scale(1.06) rotate(0deg) !important;
    box-shadow: 5px 10px 0px rgba(0,0,0,0.3);
    z-index: 10 !important;
}

.sticky-note-pin {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: #ff1744;
    border: 2px solid #5d4037;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
    position: absolute;
    top: 4px;
    left: calc(50% - 7px);
    z-index: 1;
}

.sticky-note-text {
    font-family: var(--font-body);
    font-size: 11.5px;
    font-weight: 700;
    line-height: 1.4;
    color: #1a237e;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
}

.sticky-note-author {
    font-family: var(--font-heading);
    font-size: 11px;
    text-align: right;
    color: rgba(26, 35, 126, 0.7);
}

/* Post-it colors */
.note-yellow { background-color: #fff176; }
.note-pink { background-color: #ff80ab; }
.note-blue { background-color: #80deea; }
.note-green { background-color: #a5d6a7; }
.note-orange { background-color: #ffcc80; }

/* -------------------------------------
   FOOTER SECTION
   ------------------------------------- */
.main-footer {
    background: var(--color-bg-glass);
    border-top: 3.5px solid var(--color-border-glass);
    padding: 30px 24px;
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 22px;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.footer-motto {
    font-size: 14px;
    color: var(--color-accent-coral);
    font-weight: 700;
    margin-bottom: 12px;
}

.footer-copy {
    font-size: 11.5px;
    font-weight: 700;
    color: var(--color-text-muted);
}

/* Confetti overlay */
.confetti-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1000;
    pointer-events: none;
}

/* Responsiveness Settings */
@media (max-width: 992px) {
    .hero-section {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 30px;
    }
    
    .hero-badge-container {
        width: 100%;
        max-width: 340px;
        margin: 0 auto;
    }
    
    .simulator-layout {
        grid-template-columns: 1fr;
    }
    
    .flow-timeline {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .flow-arrow-connector {
        transform: rotate(90deg);
        margin: 10px 0;
    }
    
    .join-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 0 16px;
    }
    
    .logo-text {
        display: none;
    }
    
    .mobile-nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background: var(--color-bg-body);
        transition: left 0.3s ease-in-out;
        padding: 40px 24px;
        border-top: 3.5px solid var(--color-border-glass);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: 16px;
    }
    
    .nav-link {
        width: 100%;
        padding: 14px 24px;
        font-size: 20px;
        border-radius: 25px;
    }
    
    .hero-text h1 {
        font-size: 38px;
    }
    
    .content-container {
        margin: 20px auto;
    }
    
    .result-buttons {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .btn {
        width: 100%;
    }
}