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

:root {
    --gradient-mint: #84cc16;
    --gradient-orange: #fb923c;
    --gradient-cyan: #06b6d4;
    --gradient-purple: #7c3aed;
    --gradient-pink: #ec4899;
}

body {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: #000000;
    color: #ffffff;
    overflow-x: hidden;
}

/* Background Effects */
.bg-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.grid-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.25;
    animation: float 25s ease-in-out infinite;
}

.orb-1 {
    width: 700px;
    height: 700px;
    background: linear-gradient(135deg, var(--gradient-purple), var(--gradient-pink));
    top: -300px;
    right: -200px;
}

.orb-2 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, var(--gradient-cyan), var(--gradient-purple));
    bottom: -300px;
    left: -200px;
    animation-delay: 8s;
}

.orb-3 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, var(--gradient-pink), var(--gradient-orange));
    top: 40%;
    left: 40%;
    animation-delay: 15s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(60px, -60px) scale(1.15); }
    66% { transform: translate(-40px, 40px) scale(0.95); }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-content {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1.5rem 3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.logo-icon svg {
    width: 28px;
    height: 28px;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
    letter-spacing: 0.5px;
}

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

.nav-link {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-weight: 400;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: rgba(255, 255, 255, 1);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gradient-mint), var(--gradient-orange));
}

.btn-register {
    padding: 0.75rem 2rem;
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-register:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.powered-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, rgba(255, 153, 0, 0.15), rgba(255, 153, 0, 0.05));
    border: 1px solid rgba(255, 153, 0, 0.3);
    border-radius: 8px;
    color: #FF9900;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.status-indicator {
    width: 12px;
    height: 12px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 15px rgba(16, 185, 129, 1), 0 0 5px rgba(16, 185, 129, 0.5);
    animation: blink 2s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Side Navigation */
.side-nav {
    position: fixed;
    left: 3rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    transition: opacity 0.5s ease;
    pointer-events: all;
}

.side-nav:hover {
    opacity: 1;
}

.side-nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(8px);
    pointer-events: all;
    position: relative;
    z-index: 1001;
}

.side-nav-number {
    font-size: 1.1rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
}

.side-nav-item:hover .side-nav-number,
.side-nav-item.active .side-nav-number {
    color: rgba(255, 255, 255, 1);
    transform: scale(1.2);
}

.side-nav-item:hover {
    transform: translateX(5px);
}

.side-nav-indicator {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--gradient-mint), var(--gradient-orange));
    opacity: 0;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(132, 204, 22, 0.3);
    display: none;
}

.side-nav-item.active .side-nav-indicator {
    opacity: 0;
    display: none;
}

/* Social Links */
.social-links {
    position: fixed;
    right: 3rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: opacity 0.5s ease;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-link:hover {
    color: rgba(255, 255, 255, 1);
    background: rgba(255, 255, 255, 0.1);
}

/* Circular Text */
.circular-text {
    position: fixed;
    bottom: 3rem;
    left: 3rem;
    z-index: 100;
    animation: rotate 20s linear infinite;
    transition: opacity 0.5s ease;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Hero Section */
.hero {
    position: relative;
    z-index: 50;
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;
    max-width: 1600px;
    margin: 0 auto;
    padding: 8rem 6rem 4rem;
}

.hero-content {
    position: relative;
}

.hero-title {
    font-size: 5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 2rem;
    letter-spacing: -2px;
}

.gradient-text {
    background: linear-gradient(90deg, var(--gradient-mint), var(--gradient-orange));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 3rem;
    line-height: 1.8;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.btn-gradient {
    padding: 1rem 2rem;
    background: linear-gradient(90deg, var(--gradient-mint), var(--gradient-orange));
    color: #000;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(132, 204, 22, 0.3);
    text-decoration: none;
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(132, 204, 22, 0.5);
}

.btn-outlined {
    padding: 1rem 2rem;
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
}

.btn-outlined:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Audio Visualizer */
.audio-visualizer {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 80px;
}

.bar {
    width: 8px;
    background: linear-gradient(180deg, var(--gradient-mint), var(--gradient-orange));
    border-radius: 4px 4px 0 0;
    animation: wave 1.5s ease-in-out infinite;
}

.bar:nth-child(2) { animation-delay: 0.1s; }
.bar:nth-child(3) { animation-delay: 0.2s; }
.bar:nth-child(4) { animation-delay: 0.3s; }
.bar:nth-child(5) { animation-delay: 0.4s; }
.bar:nth-child(6) { animation-delay: 0.5s; }
.bar:nth-child(7) { animation-delay: 0.6s; }
.bar:nth-child(8) { animation-delay: 0.7s; }
.bar:nth-child(9) { animation-delay: 0.8s; }
.bar:nth-child(10) { animation-delay: 0.9s; }
.bar:nth-child(11) { animation-delay: 1s; }
.bar:nth-child(12) { animation-delay: 1.1s; }
.bar:nth-child(13) { animation-delay: 1.2s; }
.bar:nth-child(14) { animation-delay: 1.3s; }
.bar:nth-child(15) { animation-delay: 1.4s; }

@keyframes wave {
    0%, 100% { height: 20%; }
    50% { height: 100%; }
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.robot-container {
    position: relative;
    width: 500px;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.robot-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    position: relative;
    z-index: 2;
    animation: floatRobot 6s ease-in-out infinite;
}

@keyframes floatRobot {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(132, 204, 22, 0.3), transparent 70%);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
    z-index: 1;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

.floating-element {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.element-1 {
    top: 15%;
    right: 10%;
    animation: floatElement 4s ease-in-out infinite;
}

.element-2 {
    bottom: 20%;
    left: 10%;
    animation: floatElement 5s ease-in-out infinite;
    animation-delay: 1s;
}

@keyframes floatElement {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

.decorative-arrow {
    position: absolute;
    top: 20%;
    right: -10%;
    animation: floatArrow 3s ease-in-out infinite;
}

@keyframes floatArrow {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(10px, -10px); }
}

/* Features Section */
.features-section {
    position: relative;
    z-index: 50;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 6rem 2rem;
    background: rgba(0, 0, 0, 0.3);
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-number {
    font-size: 1.25rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.3);
    display: block;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.section-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.6);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(132, 204, 22, 0.3);
    transform: translateY(-5px);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(132, 204, 22, 0.2), rgba(251, 146, 60, 0.2));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--gradient-mint);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

.feature-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    font-size: 1rem;
}

/* How It Works Section */
.how-it-works-section {
    position: relative;
    z-index: 50;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 6rem 2rem;
}

.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 150px;
    width: 2px;
    background: linear-gradient(180deg, var(--gradient-mint), var(--gradient-orange));
    opacity: 0.3;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--gradient-mint), var(--gradient-orange));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #000;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

.timeline-content {
    flex: 1;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(10px);
}

.timeline-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    background: linear-gradient(90deg, var(--gradient-mint), var(--gradient-orange));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.timeline-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    font-size: 1rem;
}

/* CTA Section */
.cta-section {
    margin-top: 5rem;
    text-align: center;
    padding: 4rem;
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, var(--gradient-mint), var(--gradient-orange));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cta-description {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.1rem;
}

/* Chat Section Styles (keep existing) */
.chat-section {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(20px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.chat-section.hidden {
    opacity: 0;
    pointer-events: none;
    transform: scale(0.95);
}

.chat-container {
    width: 90%;
    max-width: 900px;
    height: 85vh;
    max-height: 800px;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #10b981;
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.btn-close {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-close:hover {
    color: white;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.chat-messages::-webkit-scrollbar {
    width: 8px;
}

.chat-messages::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.message {
    display: flex;
    gap: 1rem;
    animation: messageSlideIn 0.3s ease;
}

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

.message.user {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.message.user .message-avatar {
    background: linear-gradient(135deg, var(--gradient-mint), var(--gradient-orange));
}

.message-content {
    max-width: 70%;
    flex: 1;
}

.message-text {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.25rem;
    border-radius: 16px;
    line-height: 1.6;
    font-size: 0.95rem;
}

.message.user .message-text {
    background: linear-gradient(135deg, var(--gradient-mint), var(--gradient-orange));
    color: #000;
    font-weight: 500;
}

.message-text strong {
    font-weight: 600;
    color: var(--gradient-mint);
}

.message.user .message-text strong {
    color: #000;
}

.chat-input-area {
    padding: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

.input-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-action {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.btn-action:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-color: var(--gradient-mint);
}

.btn-action.recording {
    background: rgba(239, 68, 68, 0.2);
    border-color: #ef4444;
    color: #ef4444;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

#chatInput {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    color: white;
    font-family: inherit;
    font-size: 1rem;
    resize: none;
    max-height: 120px;
}

#chatInput:focus {
    outline: none;
    border-color: var(--gradient-purple);
}

.btn-send {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--gradient-purple), var(--gradient-pink));
    border: none;
    border-radius: 12px;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.btn-send:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(124, 58, 237, 0.4);
}

/* Voice Recording Indicator */
.voice-recording {
    padding: 1rem 1.5rem;
    background: rgba(239, 68, 68, 0.1);
    border-top: 1px solid rgba(239, 68, 68, 0.3);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.recording-indicator {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #ef4444;
}

.pulse {
    width: 12px;
    height: 12px;
    background: #ef4444;
    border-radius: 50%;
    animation: pulse-dot 1.5s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { 
        opacity: 1;
        transform: scale(1);
    }
    50% { 
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.btn-stop-recording {
    padding: 0.5rem 1rem;
    background: #ef4444;
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-stop-recording:hover {
    background: #dc2626;
}

/* File Preview */
.file-preview {
    padding: 1rem 1.5rem;
    background: rgba(132, 204, 22, 0.1);
    border-top: 1px solid rgba(132, 204, 22, 0.3);
}

.file-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--gradient-mint);
}

.btn-remove-file {
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.btn-remove-file:hover {
    background: rgba(239, 68, 68, 0.8);
}

/* Chat Stats */
.chat-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    padding: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.25rem;
    background: linear-gradient(135deg, var(--gradient-mint), var(--gradient-orange));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Generate Button */
.generate-button-container {
    display: flex;
    justify-content: center;
    padding: 1rem 0;
}

.btn-generate {
    padding: 1rem 2rem;
    background: linear-gradient(90deg, var(--gradient-mint), var(--gradient-orange));
    color: #000;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(132, 204, 22, 0.3);
}

.btn-generate:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(132, 204, 22, 0.5);
}

.btn-generate:active {
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 6rem 3rem 3rem;
    }

    .hero-title {
        font-size: 4rem;
    }

    .hero-actions {
        justify-content: center;
    }

    .audio-visualizer {
        justify-content: center;
    }

    .side-nav,
    .social-links,
    .circular-text {
        display: none;
    }

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

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

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem 0;
    text-align: center;
    margin-top: 2rem;
    position: relative;
    z-index: 10;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 11;
}

.footer-content p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin: 0.5rem 0;
}

.footer-credit {
    margin-top: 0.5rem;
}

.footer-credit a {
    color: #FF9900;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
    cursor: pointer;
    pointer-events: all;
    position: relative;
    z-index: 12;
}

.footer-credit a:hover {
    color: #FFA500;
    text-decoration: underline;
}

@media (max-width: 768px) {
    .nav-content {
        padding: 1rem 1.5rem;
    }

    .nav-links {
        display: none;
    }

    .hero {
        padding: 5rem 1.5rem 2rem;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn-gradient,
    .btn-outlined {
        width: 100%;
        justify-content: center;
    }

    .robot-container {
        width: 300px;
        height: 300px;
    }

    .features-section,
    .how-it-works-section {
        padding: 4rem 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .feature-card {
        padding: 2rem;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-marker {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    .timeline-item {
        gap: 1.5rem;
    }

    .timeline-content {
        padding: 1.5rem;
    }

    .chat-section {
        width: 100%;
        height: 100vh;
    }

    .chat-container {
        width: 100%;
        height: 100vh;
        max-height: 100vh;
        border-radius: 0;
    }

    .chat-messages {
        padding: 1rem;
    }

    .message-content {
        max-width: 85%;
    }
}

.hidden {
    display: none;
}