@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,400;0,700;1,900&display=swap');

:root {
    /* Colors */
    --hiker-green: #4A8C4A;
    --hiker-green-light: #6fb872;
    --way-blue: #0288D1;
    --way-blue-light: #39a8e8;
    --text-main: #6E7E8B;
    --text-dark: #2d3748;
    --bg-white: #ffffff;
    --bg-soft: #f8fafc;
    --border: rgba(90, 103, 114, 0.1);
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 3rem;
    --space-xl: 5rem;
    
    /* Typography */
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-h1: 3rem;
    --fs-h2: 2rem;
    --fs-h3: 1.5rem;
    
    /* Effects */
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
}

body {
    max-width: 100%;
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-white);
    color: var(--text-main);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Typography Standard */
h1, h2, h3 {
    color: var(--text-dark);
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }
    --space-xl: 3rem;
    --space-lg: 2rem;
}

p { margin-bottom: var(--space-sm); }

.italic { font-style: italic; }
.bold { font-weight: 700; }
.text-center { text-align: center; }
.text-white { color: white !important; }
.lead { font-size: var(--fs-xl); }
.fs-sm { font-size: var(--fs-sm); }

/* Global Layout */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

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

.section-soft {
    background-color: var(--bg-soft);
}

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
}

@media (max-width: 768px) {
    .two-col {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* Logo HikerWAY */
.logo {
    font-size: 1.8rem;
    font-weight: 800;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 22px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

@media (max-width: 480px) {
    .logo { font-size: 1.4rem; gap: 8px; }
    .logo-img { height: 18px; }
}

.hiker { 
    color: var(--hiker-green); 
    font-style: italic; 
}
.way { 
    color: var(--way-blue); 
    text-transform: uppercase; 
    font-style: italic; 
}

/* Navbar */
nav {
    min-height: 80px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

#nav-mesh-container {
    flex-grow: 1;
    height: 60px;
    margin: 0 40px;
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    overflow: hidden;
}

#nav-mesh-container.visible {
    opacity: 0.85;
}

#nav-mesh-canvas {
    width: 100%;
    height: 100%;
}

.nav-links {
    display: flex;
    gap: var(--space-md);
}

.nav-links a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: var(--fs-sm);
    transition: var(--transition);
    white-space: nowrap;
}

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

@media (max-width: 900px) {
    nav { height: auto; padding: 10px 0; }
    .nav-content { flex-direction: column; gap: 15px; }
    .nav-links { 
        width: 100%;
        overflow-x: auto;
        padding-bottom: 5px;
        justify-content: flex-start;
        -webkit-overflow-scrolling: touch;
        gap: var(--space-sm);
    }
    .nav-links::-webkit-scrollbar { display: none; }
    #nav-mesh-container { display: none; }
}

/* Page Banners */
.page-banner {
    background-size: cover;
    background-position: center;
    padding: 100px 0;
    position: relative;
    color: white;
    text-align: center;
}

@media (max-width: 768px) {
    .page-banner { padding: 60px 0; }
}

.page-banner::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.6));
}

.page-banner .container {
    position: relative;
    z-index: 3;
}

.page-banner h1, .page-banner p {
    color: white;
}

/* Hero Overlay in Home */
.hero-overlay {
    position: absolute;
    bottom: 5%;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 800px;
    z-index: 10;
    text-align: center;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(8px);
    padding: var(--space-md);
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.hero-tagline {
    color: white;
    font-size: var(--fs-lg);
    font-weight: 400;
    line-height: 1.4;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

@media (max-width: 768px) {
    .hero-overlay { bottom: 20px; padding: var(--space-sm); }
    .hero-tagline { font-size: 1rem; }
}

/* Highlight Section (Soluzione) */
.section-highlight {
    background-color: var(--bg-soft);
    border-top: 2px solid var(--hiker-green);
    border-bottom: 2px solid var(--hiker-green);
    position: relative;
    overflow: hidden;
}

.section-highlight::before {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at center, rgba(74, 140, 74, 0.05) 0%, transparent 70%);
}

.banner-home { 
    background-image: url('assets/hero_bg_light.png'); 
    padding: 0; 
    height: 70vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #000;
}

@media (max-width: 768px) { 
    .banner-home { height: 60vh; min-height: 400px; } 
}

/* Principle Section Styling */
.section-principle {
    background: #fff;
    padding: var(--space-xl) 0;
    text-align: center;
}

.principle-title {
    font-size: 2.8rem;
    color: var(--text-dark);
    margin-bottom: var(--space-md);
}

.principle-desc {
    font-size: 1.25rem;
    max-width: 850px;
    margin: 0 auto var(--space-xl);
    line-height: 1.6;
    color: var(--text-grey);
}

.banner-problema { background-image: url('assets/problema_bg.png'); }
.banner-funzionamento { background-image: url('assets/funzionamento_bg.png'); }
.banner-caratteristiche { background-image: url('assets/caratteristiche_bg.png'); }
.banner-apparati { background-image: url('assets/hardware_hero.png'); }

/* Mesh Overlay Canvas */
#mesh-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

/* Content Blocks */
.content-block {
    margin-bottom: var(--space-md);
}

.max-w-700 { max-width: 700px; margin-left: auto; margin-right: auto; }
.max-w-900 { max-width: 900px; margin-left: auto; margin-right: auto; }

.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

/* Components */
.step {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.step-num {
    font-size: 4rem;
    color: var(--hiker-green);
    font-weight: 800;
    line-height: 1;
}

@media (max-width: 768px) {
    .step {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
    .step-num {
        font-size: 3rem;
    }
}

.bullet-list {
    list-style: none;
    margin: var(--space-md) 0;
}

.bullet-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
}

.bullet-list li::before {
    content: "•";
    color: var(--hiker-green);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Image Wrapping */
.img-wrap {
    overflow: hidden;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    line-height: 0;
}

.img-wrap img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.img-wrap:hover img {
    transform: scale(1.02);
}

/* Card Component */
.card {
    background: white;
    padding: var(--space-md);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

/* Button Group */
.btn-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Product Cards */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.product-card {
    background: white;
    padding: var(--space-md);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow);
}

.product-img-wrap {
    width: 100%;
    height: 200px;
    background: var(--bg-soft);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    overflow: hidden;
}

.product-img-wrap img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    mix-blend-mode: multiply;
}

/* Mesh Growth Visualizer */
.mesh-growth-visualizer {
    position: relative;
    width: 100%;
    aspect-ratio: 16/10;
    background: #0a0f1a;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.mesh-growth-visualizer img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
    filter: saturate(0.7) brightness(1.0);
}

.mesh-growth-visualizer canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.mesh-growth-visualizer .overlay-text {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 8px 15px;
    border-radius: 4px;
    font-size: 0.85rem;
    z-index: 3;
    pointer-events: none;
    border-left: 3px solid var(--way-blue);
    backdrop-filter: blur(5px);
}

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

.product-tag {
    font-size: var(--fs-xs);
    font-weight: 700;
    text-transform: uppercase;
    color: var(--way-blue);
    margin-bottom: 0.5rem;
}

.product-specs {
    font-size: var(--fs-sm);
    margin-top: auto;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border);
}

/* Buttons */
.btn {
    padding: 0.8rem 2rem;
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: var(--fs-base);
}

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

.btn-primary:hover {
    background-color: #0077b6;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(2, 136, 209, 0.3);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--fs-sm);
}

/* Footer */
footer {
    margin-top: auto;
    background-color: #1a202c;
    color: white;
    position: relative;
    padding-bottom: 120px;
    overflow: hidden;
}

.footer-content {
    padding: var(--space-lg) 0;
    text-align: center;
    position: relative;
    z-index: 2;
}

.footer-thanks {
    margin: var(--space-md) auto 0;
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius);
    display: inline-block;
    max-width: 80%;
    backdrop-filter: blur(5px);
    transition: var(--transition);
}

.footer-thanks:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--way-blue);
    transform: translateY(-2px);
}

.footer-thanks p {
    margin-bottom: 0;
    color: white;
    font-size: var(--fs-sm);
}

.footer-thanks a {
    color: var(--way-blue-light);
    font-weight: 700;
    text-decoration: none;
}

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

.mountain-graphic {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 180px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%232d3748" fill-opacity="0.6" d="M0,224L48,202.7C96,181,192,139,288,144C384,149,480,203,576,224C672,245,768,235,864,213.3C960,192,1056,160,1152,144C1248,128,1344,128,1392,128L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path><path fill="%230f172a" fill-opacity="1" d="M0,256L60,240C120,224,240,192,360,192C480,192,600,224,720,245.3C840,267,960,277,1080,266.7C1200,256,1320,224,1380,208L1440,192L1440,320L1380,320C1320,320,1200,320,1080,320C960,320,840,320,720,320C600,320,480,320,360,320C240,320,120,320,60,320L0,320Z"></path></svg>');
    background-repeat: no-repeat;
    background-position: bottom;
    background-size: cover;
    z-index: 1;
}

/* Animations */
.fade-in {
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Chatbot Trigger (Mascot + Bubble) */
.hiker-trigger-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    z-index: 99999;
    cursor: pointer;
    transition: var(--transition);
}

.hiker-trigger-container:hover .hiker-icon {
    transform: scale(1.1) rotate(5deg);
}

.hiker-trigger-container.pulse .hiker-icon {
    animation: mascotPulse 2s infinite;
}

@keyframes mascotPulse {
    0% { transform: scale(1); filter: drop-shadow(0 5px 15px rgba(0,0,0,0.2)); }
    50% { transform: scale(1.05); filter: drop-shadow(0 8px 25px rgba(2, 136, 209, 0.4)); }
    100% { transform: scale(1); filter: drop-shadow(0 5px 15px rgba(0,0,0,0.2)); }
}

.hiker-icon {
    width: 100px;
    height: 100px;
    background-image: url('assets/hiker_mascot.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    filter: drop-shadow(0 5px 15px rgba(0,0,0,0.2));
    transition: var(--transition);
}

.hiker-bubble {
    background: var(--way-blue);
    color: white;
    padding: 14px 24px;
    border-radius: 20px;
    border-bottom-right-radius: 2px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.3);
    margin-bottom: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    white-space: nowrap;
    position: relative;
    animation: bounce 2s infinite;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition);
    pointer-events: none;
}

.hiker-bubble.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.hiker-bubble::after {
    content: "";
    position: absolute;
    bottom: -8px;
    right: 20px;
    border-width: 10px 10px 0 0;
    border-style: solid;
    border-color: var(--way-blue) transparent transparent transparent;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* Chatbot Widget */
.hiker-chat-container {
    position: fixed;
    bottom: 120px;
    right: 20px;
    width: 380px;
    max-height: 600px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
    z-index: 100000;
    overflow: hidden;
    transform: translateY(20px);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.hiker-chat-container.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
}

.hiker-chat-header {
    background: var(--way-blue);
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hiker-chat-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: white;
}

.hiker-chat-controls {
    display: flex;
    gap: 15px;
    align-items: center;
}

.hiker-chat-control {
    background: none;
    border: none;
    color: white;
    font-size: 1.4rem;
    cursor: pointer;
    line-height: 1;
    transition: var(--transition);
    opacity: 0.8;
}

.hiker-chat-control:hover {
    opacity: 1;
    transform: scale(1.1);
}

.hiker-chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: #f8fafc;
}

.chat-msg {
    max-width: 85%;
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 0.95rem;
    line-height: 1.5;
    position: relative;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.chat-msg-bot {
    align-self: flex-start;
    background: white;
    color: var(--text-grey);
    border-bottom-left-radius: 4px;
}

.chat-msg-user {
    align-self: flex-end;
    background: var(--way-blue);
    color: white;
    border-bottom-right-radius: 4px;
}

/* WhatsApp-style Image Bubbles */
.chat-msg-img {
    padding: 4px !important;
    background: white !important;
    overflow: hidden;
}

.chat-msg-img img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 14px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.chat-msg-img img:hover {
    transform: scale(1.02);
}

/* Lightbox UI */
.hiker-lightbox {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
    cursor: zoom-out;
    animation: fadeIn 0.3s ease;
}

.hiker-lightbox.active {
    display: flex;
}

.hiker-lightbox-content {
    max-width: 90%;
    max-height: 85%;
    position: relative;
    animation: scaleUp 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.hiker-lightbox-img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.hiker-lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 2rem;
    background: none;
    border: none;
    cursor: pointer;
}

@keyframes scaleUp {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.hiker-chat-input-area {
    padding: 15px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 10px;
}

.hiker-chat-input-area input {
    flex: 1;
    border: 1px solid #e2e8f0;
    padding: 10px 15px;
    border-radius: 20px;
    outline: none;
    font-family: inherit;
}

.hiker-chat-input-area input:focus {
    border-color: var(--way-blue);
}

.hiker-chat-send {
    background: var(--way-blue);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.hiker-chat-send:hover {
    background: var(--hiker-green);
}

@media (max-width: 768px) {
    .hiker-trigger-container {
        bottom: 15px;
        right: 15px;
    }
    .hiker-icon {
        width: 70px;
        height: 70px;
    }
    .hiker-bubble {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    .hiker-chat-container {
        width: calc(100% - 30px);
        max-height: 80vh;
        bottom: 100px;
        right: 15px;
    }
}
/* Problem Scenarios Reorganization */
.problem-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.problem-block {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    padding: var(--space-lg);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    transition: var(--transition);
}

.problem-block:hover {
    transform: translateY(-5px);
    border-color: rgba(2, 136, 209, 0.3);
    box-shadow: var(--shadow-md);
}

.problem-block::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.problem-block.tech::before { background: var(--way-blue); }
.problem-block.phys::before { background: var(--hiker-green); }

.problem-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.problem-header span {
    font-size: 2.5rem;
}

.facet-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.facet-item {
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    border-left: 2px solid var(--border);
}

.facet-item h4 {
    color: var(--text-dark);
    margin-bottom: 4px;
    font-size: 1.1rem;
}

@media (max-width: 900px) {
    .problem-container {
        grid-template-columns: 1fr;
    }
}
/* Chatbot Interactive Evolution */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 10px 14px;
    background: white;
    border-radius: 12px;
    border-bottom-left-radius: 2px;
    align-self: flex-start;
    width: fit-content;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.typing-dot {
    width: 6px;
    height: 6px;
    background: #cbd5e1;
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-4px); }
}

.chat-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 5px;
    animation: fadeIn 0.4s ease-out;
}

.option-btn {
    background: white;
    border: 1px solid var(--way-blue);
    color: var(--way-blue);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.option-btn:hover {
    background: var(--way-blue);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(2, 136, 209, 0.2);
}