:root {
    --primary: #0ea5e9;
    --primary-light: #38bdf8;
    --primary-dark: #0284c7;
    --secondary: #6366f1;
    --accent: #f43f5e;
    --text-main: #0f172a;
    --text-light: #475569;
    --bg-main: #f8fafc;
    --bg-white: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.7);
    --bg-glass-dark: rgba(15, 23, 42, 0.8);

    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Outfit', sans-serif;

    --shadow-soft: 0 10px 40px -10px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 20px rgba(14, 165, 233, 0.5);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

    --radius-md: 0.75rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-pill: 9999px;

    --transition-fast: all 0.2s ease-in-out;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 50%, #f0f9ff 100%);
    background-attachment: fixed;
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--text-main);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 7rem 0;
    position: relative;
}

.relative-z10 {
    position: relative;
    z-index: 10;
}

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

.bg-light {
    background-color: #f1f5f9;
}

.section-header {
    margin-bottom: 4rem;
    max-width: 700px;
}

.section-header.text-center {
    margin-left: auto;
    margin-right: auto;
}

.section-kicker {
    color: var(--secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: block;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-title span {
    color: var(--primary);
}

.section-header p {
    color: var(--text-light);
    font-size: 1.125rem;
}
.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: var(--shadow-soft);
}

.glass-dark {
    background: var(--bg-glass-dark);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-family: var(--font-heading);
    cursor: pointer;
    border: none;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white !important;
    gap: 0.5rem;
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.btn-outline {
    display: inline-block;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-pill);
    font-weight: 600;
    border: 2px solid var(--primary);
    color: var(--primary);
    transition: var(--transition-smooth);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
}
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.25rem 0;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    padding: 0.8rem 0;
    background: rgba(255, 255, 255, 0.93);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-soft);
}
.navbar.menu-active {
    background: rgba(255, 255, 255, 0.93);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--primary);
    font-family: var(--font-heading);
}

.logo i {
    font-size: 2.2rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.logo-text span {
    font-size: 1.4rem;
    font-weight: 800;
    line-height: 1;
}

.logo-text small {
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    color: var(--text-light);
    font-weight: 700;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a:not(.btn-primary) {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-main);
    position: relative;
}

.nav-links a:not(.btn-primary)::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    bottom: -6px;
    left: 0;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

.nav-links a:not(.btn-primary):hover::after,
.nav-links a.active::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.75rem;
    color: var(--text-main);
    cursor: pointer;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
    position: relative;
    overflow: hidden;
}

.hero-bg-shapes .shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    opacity: 0.5;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: #bae6fd;
    top: -100px;
    left: -100px;
    animation: pulse 8s ease-in-out infinite alternate;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: #ddd6fe;
    bottom: 0;
    right: -50px;
    animation: pulse 10s ease-in-out infinite alternate-reverse;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: #fecdd3;
    top: 30%;
    left: 40%;
    animation: pulse 6s ease-in-out infinite alternate;
}

@keyframes pulse {
    0% {
        transform: scale(1) translate(0, 0);
    }

    100% {
        transform: scale(1.2) translate(20px, 20px);
    }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.hero-text {
    padding-right: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.premium-badge {
    display: inline-flex;
    align-items: center;
    background: white;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-soft);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
    align-self: flex-start;
}

.premium-badge .dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    margin-right: 0.5rem;
    box-shadow: 0 0 10px var(--primary);
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.trusted-rating {
    display: flex;
    flex-direction: column;
}

.trusted-rating .stars {
    color: #fbbf24;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.trusted-rating span {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 600;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 600px;
}

.image-showcase {
    position: relative;
    width: 100%;
    height: 100%;
}

.image-frame {
    position: absolute;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.main-img {
    width: 85%;
    height: 85%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 8px solid white;
    background: white;
}

.main-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.floating-abstract {
    position: absolute;
    top: 5%;
    right: 5%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    z-index: 2;
    animation: float-obj 6s ease-in-out infinite;
    text-align: center;
    background: rgba(255, 255, 255, 0.9);
}

.floating-abstract i {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.floating-abstract span {
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-main);
}

.floating-card {
    position: absolute;
    bottom: 10%;
    left: -5%;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    z-index: 2;
    animation: float-obj 8s ease-in-out infinite reverse;
}

.floating-card .icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 1.25rem;
}

.floating-card .details {
    display: flex;
    flex-direction: column;
}

.floating-card strong {
    color: var(--text-main);
    font-size: 1.1rem;
}

.floating-card span {
    color: var(--text-light);
    font-size: 0.85rem;
}

@keyframes float-obj {
    0% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0);
    }
}

.banner-section {
    padding-top: 2rem;
    padding-bottom: 2rem;
    margin-top: -3rem;

}

.promo-banner-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: var(--radius-xl);
    overflow: hidden;
    padding: 2rem;
    background: white;
}

.promo-banner {
    width: 45%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    object-fit: cover;
}

.promo-content {
    width: 50%;
    padding-left: 2rem;
}

.promo-content h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-dark);
}

.promo-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.bg-mesh {
    background: transparent;
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.about-image-col {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    background: linear-gradient(45deg, var(--bg-light), white);
    padding: 1rem;
    box-shadow: var(--shadow-soft);
}

.image-wrapper img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    object-position: top center;
    border-radius: var(--radius-lg);
    display: block;
}

.exp-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: 0 10px 20px rgba(14, 165, 233, 0.4);
    border: 6px solid white;
}

.exp-badge .num {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
}

.exp-badge .texts {
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
    line-height: 1.2;
}

.doctor-title {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.about-description {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.credentials-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.credentials-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.credentials-list .icon-box {
    min-width: 48px;
    height: 48px;
    background: #f0f9ff;
    color: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.25rem;
    transition: var(--transition-fast);
}

.credentials-list li:hover .icon-box {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
}

.credentials-list strong {
    display: block;
    color: var(--text-main);
    font-size: 1.05rem;
    margin-bottom: 0.2rem;
}

.credentials-list span {
    color: var(--text-light);
    font-size: 0.9rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.1);
}

.service-card .icon-circle {
    width: 70px;
    height: 70px;
    background: #f0f9ff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
}

.service-card:hover .icon-circle {
    background: var(--primary);
    color: white;
    transform: rotate(10deg);
}

.service-card h3 {
    font-size: 1.35rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
}

.gallery-section {
    overflow: hidden;
    padding-bottom: 8rem;
}

.gallery-wrapper {
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    overflow: hidden;
    padding: 2rem 0;
}

.gallery-track {
    display: flex;
    gap: 2rem;
    padding: 0 2rem;
    width: max-content;
    animation: scrollGallery 30s linear infinite;
}

.gallery-track:hover {
    animation-play-state: paused;
}

.g-item {
    width: 350px;
    height: 400px;
    flex-shrink: 0;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
}

.g-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.g-item:hover {
    transform: scale(1.05);
}

.g-item:hover img {
    transform: scale(1.1);
}

@keyframes scrollGallery {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(calc(-5 * (350px + 2rem)));
    }
}

.bento-video-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.video-item {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    background: black;
    position: relative;
    padding-top: 56.25%;
}

.video-item.large-video {
    height: 100%;
    padding-top: 0;
    min-height: 500px;
}

.vertical-videos {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    height: 100%;
}

.video-item.shorts {
    padding-top: 177.77%;
    padding-top: 0;
    height: 33.33%;
    min-height: 200px;
}

.iframe-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.iframe-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.reviews-section {
    background: transparent;
    position: relative;
    padding: 6rem 0 8rem;
}

.review-bg-gradient {
    display: none;
}

.google-rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background: white;
    box-shadow: var(--shadow-soft);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-pill);
    margin-top: 1.5rem;
    width: max-content;
    margin-inline: auto;
    color: var(--text-main);
}

.google-rating span {
    font-size: 1.5rem;
    font-weight: 800;
}

.google-rating .stars {
    color: #fbbf24;
}

.scrolling-reviews {
    margin-top: 4rem;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    overflow: hidden;
    position: relative;
}

.scrolling-reviews::before {
    left: 0;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.8), transparent);
}

.scrolling-reviews::after {
    right: 0;
    background: linear-gradient(to left, rgba(255, 255, 255, 0.8), transparent);
}

.review-track {
    display: flex;
    gap: 2rem;
    padding: 0 2rem;
    width: max-content;
    animation: marqueeTrain 25s linear infinite reverse;

}

.review-track:hover {
    animation-play-state: paused;
}

.review-card {
    width: 400px;
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    color: var(--text-main);
}

.review-card.glass-dark {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: var(--shadow-soft);
}

.r-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.r-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.avatar {
    font-size: 2.5rem;
}

.avatar.cyan {
    color: #06b6d4;
}

.avatar.purple {
    color: #8b5cf6;
}

.avatar.gold {
    color: #f59e0b;
}

.avatar.green {
    color: #10b981;
}

.r-user h5 {
    font-size: 1.1rem;
    margin-bottom: 0.2rem;
}

.r-user .stars {
    color: #fbbf24;
    font-size: 0.8rem;
}

.google-icon {
    font-size: 1.5rem;
    color: #DB4437;
}

.review-card p {
    font-size: 1.05rem;
    color: var(--text-main);
    font-weight: 500;
    font-style: italic;
    line-height: 1.6;
}

@keyframes marqueeTrain {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(calc(-400px * 4 - 8rem));
    }

   
}


.footer {
    background: #020617;
    color: #94a3b8;
    padding-top: 5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1.5fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-logo {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.footer-brand p {
    max-width: 350px;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.social-links-pro {
    display: flex;
    gap: 1rem;
}

.social-links-pro a {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.25rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-pill);
    color: white;
    gap: 0.5rem;
    font-weight: 600;
}

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

.footer h4 {
    color: white;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    font-family: var(--font-heading);
}

.footer-links ul li {
    margin-bottom: 1rem;
}

.footer-links ul li a {
    position: relative;
    padding-left: 0;
    transition: var(--transition-fast);
}

.footer-links ul li a:hover {
    color: var(--primary);
    padding-left: 8px;
}

.contact-box {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.contact-box i {
    color: var(--primary);
    font-size: 1.25rem;
    margin-top: 4px;
}

.contact-box h5 {
    color: white;
    font-size: 1rem;
    margin-bottom: 0.2rem;
}

.footer-bottom {
    background: #000;
    padding: 1.5rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}


.chatbot-ui {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
}

.chat-fab {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    font-size: 1.75rem;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(14, 165, 233, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition-smooth);
}

.chat-fab:hover {
    transform: scale(1.1) rotate(-10deg);
}

.chat-panel {
    position: absolute;
    bottom: 85px;
    right: 0;
    width: 350px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform-origin: bottom right;
    transform: scale(0.9);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.chat-panel.active {
    transform: scale(1);
    opacity: 1;
    pointer-events: all;
}

.chat-header {
    background: rgba(255, 255, 255, 0.9);
    padding: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.chat-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.active-dot {
    width: 10px;
    height: 10px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 10px #10b981;
}

.chat-profile strong {
    display: block;
    color: var(--text-main);
    line-height: 1;
    margin-bottom: 2px;
}

.chat-profile span {
    font-size: 0.75rem;
    color: var(--text-light);
}

#closeChatBtn {
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

#closeChatBtn:hover {
    color: var(--accent);
}

.chat-messages {
    height: 300px;
    background: #f8fafc;
    padding: 1.25rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.msg.system {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.bot-msg,
.user-msg {
    display: flex;
    max-width: 85%;
    gap: 0.75rem;
}

.user-msg {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.msg .avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-light);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.msg .bubble {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    line-height: 1.4;
    box-shadow: var(--shadow-soft);
}

.bot-msg .bubble {
    background: white;
    border-top-left-radius: 4px;
}

.user-msg .bubble {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-top-right-radius: 4px;
}

.chat-input-box {
    padding: 1rem;
    background: white;
    display: flex;
    gap: 0.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.chat-input-box input {
    flex: 1;
    border: 1px solid #e2e8f0;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-pill);
    outline: none;
    font-family: inherit;
    transition: var(--transition-fast);
}

.chat-input-box input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.chat-input-box button {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition-fast);
}

.chat-input-box button:hover {
    background: var(--primary-dark);
}

@media (max-width: 1024px) {
    .bento-video-grid {
        grid-template-columns: 1fr;
    }

    .video-item.large-video {
        min-height: 400px;
    }

    .vertical-videos {
        flex-direction: row;
    }

    .video-item.shorts {
        width: 33.33%;
        min-height: 250px;
    }

    .hero-title {
        font-size: 3.5rem;
    }
}

@media (max-width: 900px) {
    .promo-banner-wrapper {
        flex-direction: column;
        padding: 1rem;
        gap: 1rem;
    }

    .promo-banner {
        width: 100%;
        border-radius: var(--radius-md);
    }

    .promo-content {
        width: 100%;
        padding-left: 0;
        text-align: center;
    }

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

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        left: 0;
        right: 0;
        top: 60px;
        height: calc(100vh - 80px);
        background: rgba(255, 255, 255, 0.93);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 3rem;
        align-items: center;
        gap: 2.25rem;
        transform: translateY(-100%);
        opacity: 0;
        transition: var(--transition-smooth);
        pointer-events: none;
        z-index: 999;
        overflow-y: auto;
       
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        padding-right: 0;
        align-items: center;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-visual {
        height: 400px;
        margin-top: 2rem;
    }

    .main-img {
        width: 100%;
        height: 100%;
        border: 4px solid white;
    }

    .main-img img {
        object-position: top center;
    }

    .credentials-list {
        grid-template-columns: 1fr;
    }

    .vertical-videos {
        flex-direction: column;
    }

    .video-item.shorts {
        width: 100%;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 2.25rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .chat-panel {
        width: calc(100vw - 2rem);
        right: -1rem;
    }
}