/* ============================
   GLOBAL STYLES
============================= */
:root {
    /* Main color scheme */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #10b981;
    --secondary-dark: #059669;
    --accent: #f43f5e;
    --accent-dark: #e11d48;
    --light: #f8fafc;
    --dark: #0f172a;
    --gray: #64748b;
    --gray-light: #cbd5e1;
    --gray-dark: #334155;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1, #8b5cf6);
    --gradient-secondary: linear-gradient(135deg, #10b981, #06b6d4);
    --gradient-accent: linear-gradient(135deg, #f43f5e, #fb7185);
    --gradient-dark: linear-gradient(135deg, #1e293b, #0f172a);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 15px 25px rgba(0, 0, 0, 0.1);
    
    /* Animations */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

@font-face {
    font-family: 'Cabinet Grotesk';
    src: url('https://fonts.cdnfonts.com/css/cabinet-grotesk');
    font-weight: normal;
    font-style: normal;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--light);
    color: var(--dark);
    overflow-x: hidden;
    line-height: 1.6;
}

.container {
    max-width: 1280px;
    padding: 0 1.5rem;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Cabinet Grotesk', 'Segoe UI', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: var(--primary);
    transition: var(--transition-normal);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
    outline: none;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.35);
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    color: white;
}

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

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

.btn-outline:hover {
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
    color: var(--primary-dark);
    border-color: var(--primary);
}

.btn-demo {
    background: var(--gradient-secondary);
    color: white !important;
    border-radius: var(--radius-full);
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
    transition: all 0.3s cubic-bezier(0.17, 0.67, 0.83, 0.67);
}

.btn-demo:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.35);
    background: linear-gradient(135deg, #059669, #0891b2);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    position: relative;
    display: inline-block;
}

/* ============================
   PARTICLE BACKGROUND
============================= */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.6;
}

/* ============================
   NAVBAR
============================= */
.navbar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.4s ease;
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
    z-index: 1000;
}

.navbar-shrink {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-lg);
}

.logo-text {
    font-family: 'Cabinet Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: white;
    position: relative;
}

.logo-accent {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav-link {
    color: var(--gray-light) !important;
    font-weight: 500;
    margin: 0 0.75rem;
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition-normal);
}

.nav-link:hover, .nav-link.active {
    color: white !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background: var(--gradient-secondary);
    transition: width 0.3s ease;
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* ============================
   HERO SECTION
============================= */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 0;
    color: white;
    overflow: hidden;
}
.hero-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background: url(../assets/hero-bg.jpg) no-repeat center center/cover;
    filter: brightness(0.2); /* 👈 Adjust brightness here */
    z-index: -1;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.025em;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-btns {
    margin-bottom: 2rem;
}

.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2rem;
}

.tech-badges .badge {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: var(--radius-full);
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-normal);
}

.tech-badges .badge:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.hero-image {
    position: relative;
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-lg);
    animation: float 6s ease-in-out infinite;
    z-index: 2;
    clip-path: polygon(25% 0%, 100% 0%, 75% 100%, 0% 100%);
}

.hero-image img {
    border-radius: var(--radius-lg);
    max-width: 100%;
    height: auto;
    border: 4px solid rgba(255, 255, 255, 0.1);
}

.floating-tag {
    position: absolute;
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    z-index: 3;
    animation: pulse 3s ease-in-out infinite;
}

.tag-1 {
    top: -15px;
    left: 5rem;
    animation-delay: 0s;
}

.tag-2 {
    bottom: -1rem;
    right: 3rem;
    animation-delay: -1s;
    background: var(--gradient-secondary);
}

.tag-3 {
    top: 4.5rem;
    left: -2rem;
    animation-delay: -2s;
    background: var(--gradient-accent);
}

.pulse-circle {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(99, 102, 241, 0.15);
    z-index: 1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulseCircle 3s infinite;
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

@keyframes pulseCircle {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0.6;
    }
    50% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.3;
    }
    100% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0.6;
    }
}

.hero-shape {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    line-height: 0;
    z-index: 3;
}

/* ============================
   SECTION HEADERS
============================= */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-pre-title {
    font-size: 0.95rem;
    color: var(--primary);
    letter-spacing: 2px;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================
   FEATURES SECTION
============================= */
.features-section {
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.features-container {
    margin-top: 3rem;
}

.feature-card-wrapper {
    padding: 15px;
    transition: var(--transition-normal);
}

.feature-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    height: 100%;
    border: 1px solid var(--gray-light);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.25);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.feature-card:nth-child(2n) .feature-icon,
.feature-card:nth-child(2n)::before {
    background: var(--gradient-secondary);
}

.feature-card:nth-child(3n) .feature-icon,
.feature-card:nth-child(3n)::before {
    background: var(--gradient-accent);
}

.feature-icon::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    z-index: -1;
    transform: translateX(-100%);
    transition: transform 0.5s ease;
}

.feature-card:hover .feature-icon::after {
    transform: translateX(0);
}

.feature-card h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    transition: var(--transition-normal);
}

.feature-card p {
    color: var(--gray);
    margin-bottom: 0;
}

/* ============================
   DETECTION SECTION
============================= */
.detection-section {
    padding: 6rem 0;
    background-color: #f1f5f9;
    position: relative;
}

.detection-container {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-light);
}

.model-header {
    background: var(--gradient-dark);
    color: white;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.model-header h5 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
}

.model-controls {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.model-select-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.model-select-group label {
    color: var(--gray-light);
    margin: 0;
    white-space: nowrap;
}

.model-select-group select {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    min-width: 150px;
}

/* Style the options (may not work in all browsers like Firefox) */
.model-select-group select option {
    background: rgba(255, 255, 255, 0.1) !important;
    color: rgb(0, 0, 0) !important; ;
}

.threshold-slider {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 200px;
}

.threshold-slider label {
    color: var(--gray-light);
    display: flex;
    justify-content: space-between;
    width: 100%;
    margin: 0;
}

.threshold-slider input {
    width: 100%;
}

.detection-content {
    padding: 1.5rem;
}

.camera-section {
    background: #f8fafc;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-light);
}

.camera-actions {
    display: flex;
    gap: 0.75rem;
    padding: 1rem;
    background: white;
    border-bottom: 1px solid var(--gray-light);
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition-fast);
    cursor: pointer;
    border: none;
}

.upload-btn {
    background: var(--gradient-primary);
    color: white;
}

.capture-btn {
    background: var(--gradient-secondary);
    color: white;
}

.screenshot-btn {
    background: var(--gradient-accent);
    color: white;
}

/* .screenshot-btn:disabled {
    background: var(--gray-light);
    cursor: not-allowed;
} */

.action-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.capture-container {
    padding: 1rem;
}

.video-wrapper {
    position: relative;
    width: 100%;
    height: 500px;
    background-color: #000;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--gray-light);
}

#detectedCanvas {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
}

#liveVideo {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#loadingOverlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    z-index: 10;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

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

.corner-label {
    position: absolute;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 5;
}

.top-left {
    top: 1rem;
    left: 1rem;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
}

.bottom-right {
    bottom: 1rem;
    right: 1rem;
    border-radius: var(--radius-md);
    background: var(--gradient-secondary);
}

/* Results Panel */
.results-panel {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 100%;
    border: 1px solid var(--gray-light);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.panel-tabs {
    display: flex;
    border-bottom: 1px solid var(--gray-light);
}

.panel-tab {
    flex: 1;
    text-align: center;
    padding: 1rem;
    background: none;
    border: none;
    font-weight: 600;
    color: var(--gray);
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
}

.panel-tab.active {
    color: var(--primary);
}

.panel-tab::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.panel-tab.active::after {
    transform: scaleX(1);
}

/* ============================
   TEAM MEMBER CARDS
============================= */
.team-section {
    padding: 6rem 0;
    position: relative;
}

.team-container {
    margin-top: 3rem;
}

.team-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid var(--gray-light);
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.team-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.team-card:hover::before {
    transform: scaleX(1);
}

.team-card:nth-child(2) .team-card::before {
    background: var(--gradient-secondary);
}

.team-card:nth-child(3) .team-card::before {
    background: var(--gradient-accent);
}

.team-profile {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 1.5rem;
    border: 5px solid white;
    box-shadow: var(--shadow-md);
    position: relative;
    transition: transform 0.5s cubic-bezier(0.17, 0.67, 0.83, 0.67);
}

.team-card:hover .team-profile {
    transform: scale(1.1);
}

.team-profile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-normal);
}

.team-card:hover .team-profile img {
    transform: scale(1.1);
}

.team-info h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.team-role {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.team-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.team-skills .skill {
    background: var(--light);
    color: var(--primary);
    border-radius: var(--radius-full);
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition-normal);
    border: 1px solid var(--primary-light);
}

.team-card:hover .skill {
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-3px);
}

.team-contributions {
    color: var(--gray);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.team-social {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    transition: var(--transition-normal);
    border: 1px solid var(--gray-light);
}

.social-icon:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-5px) rotate(10deg);
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.3);
}

.experience-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-secondary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    z-index: 1;
    animation: pulse 3s ease-in-out infinite;
}

/* ============================
   FOOTER STYLES
============================= */
.footer {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: white;
    padding: 4rem 0 1rem;
    position: relative;
    overflow: hidden;
}

.footer-content {
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand h3 {
    font-family: 'Cabinet Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: white;
}

.footer-brand span {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.footer-brand p {
    color: var(--gray-light);
    margin-bottom: 1.5rem;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    transition: var(--transition-normal);
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.3);
}

.footer h5 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--gradient-primary);
}

.footer-links, .footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li, .footer-contact li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--gray-light);
    transition: var(--transition-normal);
    display: inline-block;
    position: relative;
    padding-left: 0;
}

.footer-links a::before {
    content: '→';
    position: absolute;
    left: 0;
    opacity: 0;
    transform: translateX(-10px);
    transition: var(--transition-normal);
}

.footer-links a:hover {
    color: white;
    padding-left: 20px;
}

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--gray-light);
}

.footer-contact li i {
    color: var(--primary-light);
    font-size: 1.1rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: var(--gray-light);
    margin: 0;
    font-size: 0.9rem;
}

.made-with {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.made-with i {
    color: var(--accent);
    animation: heartBeat 1.5s ease infinite;
}

@keyframes heartBeat {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}