/* ==========================================================================
   VisionAI - Computer Vision API Platform
   Premium Template Stylesheet
   ========================================================================== */

/* ==========================================================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ========================================================================== */
:root {
    /* Primary Colors - Cyan */
    --color-primary-50: #ecfeff;
    --color-primary-100: #cffafe;
    --color-primary-200: #a5f3fc;
    --color-primary-300: #67e8f9;
    --color-primary-400: #22d3ee;
    --color-primary-500: #06b6d4;
    --color-primary-600: #0891b2;
    --color-primary-700: #0e7490;
    --color-primary-800: #155e75;
    --color-primary-900: #164e63;

    /* Secondary Colors - Indigo */
    --color-secondary-50: #eef2ff;
    --color-secondary-100: #e0e7ff;
    --color-secondary-200: #c7d2fe;
    --color-secondary-300: #a5b4fc;
    --color-secondary-400: #818cf8;
    --color-secondary-500: #6366f1;
    --color-secondary-600: #4f46e5;
    --color-secondary-700: #4338ca;
    --color-secondary-800: #3730a3;
    --color-secondary-900: #312e81;

    /* Accent Colors - Emerald (for success states) */
    --color-accent-50: #ecfdf5;
    --color-accent-100: #d1fae5;
    --color-accent-200: #a7f3d0;
    --color-accent-300: #6ee7b7;
    --color-accent-400: #34d399;
    --color-accent-500: #10b981;
    --color-accent-600: #059669;
    --color-accent-700: #047857;
    --color-accent-800: #065f46;
    --color-accent-900: #064e3b;

    /* Slate Neutrals */
    --color-slate-50: #f8fafc;
    --color-slate-100: #f1f5f9;
    --color-slate-200: #e2e8f0;
    --color-slate-300: #cbd5e1;
    --color-slate-400: #94a3b8;
    --color-slate-500: #64748b;
    --color-slate-600: #475569;
    --color-slate-700: #334155;
    --color-slate-800: #1e293b;
    --color-slate-900: #0f172a;
    --color-slate-950: #020617;

    /* Typography Scale (clamp-based responsive) */
    --text-hero: clamp(3rem, 8vw, 5rem);
    --text-display: clamp(2.5rem, 5vw, 4rem);
    --text-h1: clamp(2rem, 4vw, 3rem);
    --text-h2: clamp(1.5rem, 3vw, 2.25rem);
    --text-h3: clamp(1.25rem, 2vw, 1.5rem);
    --text-h4: clamp(1.125rem, 1.5vw, 1.25rem);
    --text-body: 1rem;
    --text-small: 0.875rem;
    --text-xs: 0.75rem;
    --text-code: 0.9375rem;

    /* Spacing Scale (8px base unit) */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */
    --space-24: 6rem;     /* 96px */
    --space-32: 8rem;     /* 128px */

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-glow-cyan: 0 0 40px rgba(6, 182, 212, 0.3);
    --shadow-glow-cyan-lg: 0 0 80px rgba(6, 182, 212, 0.4);
    --shadow-glow-indigo: 0 0 40px rgba(99, 102, 241, 0.3);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.16, 1, 0.3, 1);

    /* Z-index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;

    /* Container */
    --container-max: 80rem;
    --container-padding: var(--space-6);

    /* Light Theme Colors */
    --bg-primary: var(--color-slate-50);
    --bg-secondary: #ffffff;
    --bg-tertiary: var(--color-slate-100);
    --text-primary: var(--color-slate-900);
    --text-secondary: var(--color-slate-600);
    --text-tertiary: var(--color-slate-500);
    --border-primary: var(--color-slate-200);
    --border-secondary: var(--color-slate-100);
}

/* Dark Theme */
[data-theme="dark"],
.dark {
    --bg-primary: var(--color-slate-950);
    --bg-secondary: var(--color-slate-900);
    --bg-tertiary: var(--color-slate-800);
    --text-primary: #ffffff;
    --text-secondary: var(--color-slate-300);
    --text-tertiary: var(--color-slate-400);
    --border-primary: var(--color-slate-800);
    --border-secondary: var(--color-slate-700);
}

/* ==========================================================================
   BASE STYLES
   ========================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: var(--text-body);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Selection */
::selection {
    background-color: var(--color-primary-500);
    color: white;
}

/* Focus Styles */
:focus-visible {
    outline: 2px solid var(--color-primary-500);
    outline-offset: 2px;
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }
h4 { font-size: var(--text-h4); }

.text-hero {
    font-size: var(--text-hero);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.text-display {
    font-size: var(--text-display);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.025em;
}

p {
    margin: 0 0 var(--space-4);
}

a {
    color: var(--color-primary-500);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-400);
}

/* Code Typography */
code, pre {
    font-family: 'IBM Plex Mono', 'Fira Code', monospace;
    font-size: var(--text-code);
}

code {
    padding: 0.2em 0.4em;
    background-color: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

pre {
    padding: var(--space-6);
    background-color: var(--color-slate-900);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    color: var(--color-slate-100);
}

pre code {
    padding: 0;
    background: none;
}

/* ==========================================================================
   LAYOUT
   ========================================================================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.section {
    padding: var(--space-20) 0;
}

.section-lg {
    padding: var(--space-24) 0;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-primary);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.navbar-logo svg {
    width: 2rem;
    height: 2rem;
}

.navbar-menu {
    display: none;
    align-items: center;
    gap: var(--space-8);
}

@media (min-width: 1024px) {
    .navbar-menu {
        display: flex;
    }
}

.navbar-link {
    font-size: var(--text-small);
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.navbar-link:hover {
    color: var(--text-primary);
}

.navbar-link.active {
    color: var(--color-primary-400);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.navbar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
}

@media (min-width: 1024px) {
    .navbar-toggle {
        display: none;
    }
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 4rem;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-secondary);
    padding: var(--space-6);
    display: none;
    flex-direction: column;
    gap: var(--space-4);
    z-index: var(--z-modal);
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu-link {
    display: block;
    padding: var(--space-3) 0;
    font-size: var(--text-body);
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-primary);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: inherit;
    font-size: var(--text-small);
    font-weight: 600;
    line-height: 1.5;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
    color: white;
    box-shadow: 0 4px 14px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-400), var(--color-primary-500));
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.4);
    transform: translateY(-2px);
    color: white;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-primary-500);
    color: var(--text-primary);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-body);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 6rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-bg-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(6, 182, 212, 0.2), transparent),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(99, 102, 241, 0.15), transparent);
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black, transparent);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black, transparent);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
}

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

@media (min-width: 1024px) {
    .hero-text {
        text-align: left;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-primary-400);
    margin-bottom: var(--space-6);
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-primary-400);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

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

.hero-title {
    margin-bottom: var(--space-6);
}

.hero-title-gradient {
    background: linear-gradient(135deg, var(--color-primary-300), var(--color-secondary-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 36rem;
    margin-bottom: var(--space-8);
}

@media (min-width: 1024px) {
    .hero-description {
        margin-left: 0;
        margin-right: auto;
    }
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: center;
}

@media (min-width: 1024px) {
    .hero-actions {
        justify-content: flex-start;
    }
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-8);
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-primary);
    justify-content: center;
}

@media (min-width: 1024px) {
    .hero-stats {
        justify-content: flex-start;
    }
}

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

@media (min-width: 1024px) {
    .hero-stat {
        text-align: left;
    }
}

.hero-stat-value {
    font-size: var(--text-h2);
    font-weight: 700;
    color: var(--text-primary);
}

.hero-stat-label {
    font-size: var(--text-small);
    color: var(--text-tertiary);
}

/* ==========================================================================
   VISION DEMO (Signature Component)
   ========================================================================== */
.vision-demo {
    position: relative;
    perspective: 1000px;
}

.vision-demo-container {
    position: relative;
    background: var(--color-slate-900);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl), var(--shadow-glow-cyan);
    transform: rotateY(-5deg) rotateX(5deg);
    transition: transform var(--transition-slow);
}

.vision-demo-container:hover {
    transform: rotateY(0) rotateX(0);
}

.vision-demo-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    background: var(--color-slate-800);
    border-bottom: 1px solid var(--border-primary);
}

.vision-demo-dots {
    display: flex;
    gap: var(--space-2);
}

.vision-demo-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.vision-demo-dot--red { background: #ef4444; }
.vision-demo-dot--yellow { background: #eab308; }
.vision-demo-dot--green { background: #22c55e; }

.vision-demo-title {
    font-size: var(--text-small);
    font-weight: 500;
    color: var(--text-tertiary);
}

.vision-demo-status {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-accent-400);
}

.vision-demo-status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent-400);
    border-radius: 50%;
    animation: pulse-dot 1.5s ease-in-out infinite;
}

.vision-demo-body {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    padding: var(--space-6);
}

@media (min-width: 768px) {
    .vision-demo-body {
        grid-template-columns: 1.5fr 1fr;
    }
}

.vision-demo-image {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--color-slate-800);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.vision-demo-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Bounding Boxes */
.bounding-box {
    position: absolute;
    border: 2px solid;
    border-radius: var(--radius-sm);
    opacity: 0;
    animation: bbox-appear 0.5s ease-out forwards;
}

.bounding-box--person {
    top: 10%;
    left: 20%;
    width: 30%;
    height: 70%;
    border-color: var(--color-primary-400);
    animation-delay: 0.3s;
}

.bounding-box--car {
    top: 55%;
    left: 55%;
    width: 35%;
    height: 30%;
    border-color: var(--color-secondary-400);
    animation-delay: 0.6s;
}

.bounding-box--dog {
    top: 60%;
    left: 5%;
    width: 20%;
    height: 25%;
    border-color: var(--color-accent-400);
    animation-delay: 0.9s;
}

@keyframes bbox-appear {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.bounding-box-label {
    position: absolute;
    top: -24px;
    left: -2px;
    padding: 2px 8px;
    font-size: var(--text-xs);
    font-weight: 600;
    color: white;
    border-radius: var(--radius-sm) var(--radius-sm) var(--radius-sm) 0;
    white-space: nowrap;
}

.bounding-box--person .bounding-box-label { background: var(--color-primary-500); }
.bounding-box--car .bounding-box-label { background: var(--color-secondary-500); }
.bounding-box--dog .bounding-box-label { background: var(--color-accent-500); }

/* Detection Results */
.vision-demo-results {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.vision-demo-results-title {
    font-size: var(--text-small);
    font-weight: 600;
    color: var(--text-primary);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--border-primary);
}

.detection-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--color-slate-800);
    border-radius: var(--radius-md);
    opacity: 0;
    animation: detection-appear 0.5s ease-out forwards;
}

.detection-item:nth-child(2) { animation-delay: 0.4s; }
.detection-item:nth-child(3) { animation-delay: 0.7s; }
.detection-item:nth-child(4) { animation-delay: 1s; }

@keyframes detection-appear {
    0% {
        opacity: 0;
        transform: translateX(20px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

.detection-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.detection-item-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-small);
    font-weight: 500;
    color: var(--text-primary);
}

.detection-item-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.detection-item-dot--person { background: var(--color-primary-400); }
.detection-item-dot--car { background: var(--color-secondary-400); }
.detection-item-dot--dog { background: var(--color-accent-400); }

.detection-item-score {
    font-size: var(--text-small);
    font-weight: 600;
    font-family: 'IBM Plex Mono', monospace;
}

.detection-item-score--person { color: var(--color-primary-400); }
.detection-item-score--car { color: var(--color-secondary-400); }
.detection-item-score--dog { color: var(--color-accent-400); }

.detection-item-bar {
    height: 4px;
    background: var(--color-slate-700);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.detection-item-bar-fill {
    height: 100%;
    border-radius: var(--radius-full);
    width: 0;
    animation: bar-fill 1s ease-out forwards;
}

.detection-item:nth-child(2) .detection-item-bar-fill { animation-delay: 0.5s; }
.detection-item:nth-child(3) .detection-item-bar-fill { animation-delay: 0.8s; }
.detection-item:nth-child(4) .detection-item-bar-fill { animation-delay: 1.1s; }

@keyframes bar-fill {
    0% { width: 0; }
    100% { width: var(--fill-width); }
}

.detection-item-bar-fill--person {
    background: linear-gradient(90deg, var(--color-primary-500), var(--color-primary-400));
    --fill-width: 98%;
}
.detection-item-bar-fill--car {
    background: linear-gradient(90deg, var(--color-secondary-500), var(--color-secondary-400));
    --fill-width: 95%;
}
.detection-item-bar-fill--dog {
    background: linear-gradient(90deg, var(--color-accent-500), var(--color-accent-400));
    --fill-width: 92%;
}

/* Floating Tags (Signature Component) */
.floating-tags {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.floating-tag {
    position: absolute;
    padding: var(--space-1) var(--space-3);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
    color: white;
    white-space: nowrap;
    opacity: 0;
    animation: float-tag 3s ease-in-out infinite, tag-appear 0.5s ease-out forwards;
}

.floating-tag:nth-child(1) {
    top: 5%;
    right: 10%;
    animation-delay: 1.2s, 1.2s;
}

.floating-tag:nth-child(2) {
    top: 35%;
    right: 5%;
    animation-delay: 1.4s, 1.4s;
}

.floating-tag:nth-child(3) {
    bottom: 20%;
    right: 15%;
    animation-delay: 1.6s, 1.6s;
}

@keyframes float-tag {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes tag-appear {
    0% {
        opacity: 0;
        transform: translateY(10px) scale(0.9);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ==========================================================================
   UPLOAD ZONE (Signature Component)
   ========================================================================== */
.upload-zone {
    position: relative;
    padding: var(--space-12);
    background: var(--bg-secondary);
    border: 2px dashed var(--border-primary);
    border-radius: var(--radius-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--color-primary-500);
    background: rgba(6, 182, 212, 0.05);
}

.upload-zone-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-6);
    color: var(--color-primary-500);
}

.upload-zone-title {
    font-size: var(--text-h3);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.upload-zone-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.upload-zone-formats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    justify-content: center;
}

.upload-zone-format {
    padding: var(--space-1) var(--space-3);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--text-secondary);
}

.upload-zone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

/* ==========================================================================
   FEATURES SECTION
   ========================================================================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--space-6);
}

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    position: relative;
    padding: var(--space-8);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--color-primary-500);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), var(--shadow-glow-cyan);
}

.feature-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
}

.feature-card-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.feature-card-title {
    font-size: var(--text-h4);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.feature-card-description {
    color: var(--text-secondary);
    font-size: var(--text-small);
    margin: 0;
}

/* ==========================================================================
   USE CASES
   ========================================================================== */
.use-cases-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.use-case-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    transition: all var(--transition-base);
}

.use-case-card:hover {
    border-color: var(--color-primary-500);
    box-shadow: var(--shadow-lg);
}

.use-case-card-image {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.use-case-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.use-case-card:hover .use-case-card-image img {
    transform: scale(1.05);
}

.use-case-card-content {
    padding: var(--space-6);
}

.use-case-card-category {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: rgba(6, 182, 212, 0.1);
    color: var(--color-primary-400);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
}

.use-case-card-title {
    font-size: var(--text-h3);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.use-case-card-description {
    color: var(--text-secondary);
    font-size: var(--text-small);
    margin: 0;
}

/* ==========================================================================
   PRICING
   ========================================================================== */
.pricing-header {
    text-align: center;
    max-width: 48rem;
    margin: 0 auto var(--space-16);
}

.pricing-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-1);
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    margin-top: var(--space-6);
}

.pricing-toggle-option {
    padding: var(--space-2) var(--space-6);
    font-size: var(--text-small);
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pricing-toggle-option.active {
    background: var(--bg-secondary);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.pricing-card {
    position: relative;
    padding: var(--space-8);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card--featured {
    border-color: var(--color-primary-500);
    background: linear-gradient(180deg, rgba(6, 182, 212, 0.05), transparent);
}

.pricing-card-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-1) var(--space-4);
    background: linear-gradient(135deg, var(--color-primary-500), var(--color-primary-600));
    color: white;
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.pricing-card-name {
    font-size: var(--text-h4);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.pricing-card-description {
    color: var(--text-secondary);
    font-size: var(--text-small);
    margin-bottom: var(--space-6);
}

.pricing-card-price {
    display: flex;
    align-items: baseline;
    gap: var(--space-1);
    margin-bottom: var(--space-6);
}

.pricing-card-price-value {
    font-size: var(--text-display);
    font-weight: 700;
}

.pricing-card-price-period {
    color: var(--text-tertiary);
    font-size: var(--text-small);
}

.pricing-card-features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-8);
}

.pricing-card-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: var(--text-small);
    color: var(--text-secondary);
}

.pricing-card-feature svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: var(--color-accent-400);
}

/* ==========================================================================
   CODE BLOCK
   ========================================================================== */
.code-block {
    position: relative;
    background: var(--color-slate-900);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.code-block-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    background: var(--color-slate-800);
    border-bottom: 1px solid var(--border-primary);
}

.code-block-language {
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.code-block-copy {
    padding: var(--space-1) var(--space-3);
    background: var(--color-slate-700);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.code-block-copy:hover {
    background: var(--color-slate-600);
    color: var(--text-primary);
}

.code-block pre {
    margin: 0;
    padding: var(--space-6);
}

/* Syntax Highlighting */
.code-keyword { color: var(--color-secondary-400); }
.code-string { color: var(--color-accent-400); }
.code-comment { color: var(--color-slate-500); }
.code-function { color: var(--color-primary-400); }
.code-number { color: #f97316; }

/* ==========================================================================
   DOCS/API REFERENCE
   ========================================================================== */
.docs-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

@media (min-width: 1024px) {
    .docs-layout {
        grid-template-columns: 16rem 1fr;
    }
}

.docs-sidebar {
    position: sticky;
    top: 6rem;
    max-height: calc(100vh - 8rem);
    overflow-y: auto;
    padding-right: var(--space-4);
}

.docs-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.docs-nav-section {
    margin-bottom: var(--space-6);
}

.docs-nav-title {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    margin-bottom: var(--space-3);
}

.docs-nav-link {
    display: block;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-small);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.docs-nav-link:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.docs-nav-link.active {
    background: rgba(6, 182, 212, 0.1);
    color: var(--color-primary-400);
}

.docs-content {
    min-width: 0;
}

.docs-content h2 {
    margin-top: var(--space-12);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-primary);
}

.docs-content h3 {
    margin-top: var(--space-8);
    margin-bottom: var(--space-3);
}

.docs-content p {
    color: var(--text-secondary);
}

.endpoint-card {
    padding: var(--space-6);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
}

.endpoint-method {
    display: inline-flex;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    margin-right: var(--space-3);
}

.endpoint-method--get {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-accent-400);
}

.endpoint-method--post {
    background: rgba(6, 182, 212, 0.1);
    color: var(--color-primary-400);
}

.endpoint-method--delete {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.endpoint-path {
    font-family: 'IBM Plex Mono', monospace;
    font-size: var(--text-small);
    color: var(--text-primary);
}

/* ==========================================================================
   MODELS GALLERY
   ========================================================================== */
.models-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 640px) {
    .models-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .models-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.model-card {
    padding: var(--space-6);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.model-card:hover {
    border-color: var(--color-primary-500);
    box-shadow: var(--shadow-lg);
}

.model-card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    font-size: 1.5rem;
}

.model-card-name {
    font-size: var(--text-h4);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.model-card-description {
    color: var(--text-secondary);
    font-size: var(--text-small);
    margin-bottom: var(--space-4);
}

.model-card-stats {
    display: flex;
    gap: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-primary);
}

.model-card-stat {
    text-align: center;
}

.model-card-stat-value {
    font-size: var(--text-h4);
    font-weight: 600;
    color: var(--color-primary-400);
}

.model-card-stat-label {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

/* ==========================================================================
   STATUS PAGE
   ========================================================================== */
.status-banner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4);
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-8);
}

.status-banner--warning {
    background: rgba(234, 179, 8, 0.1);
    border-color: rgba(234, 179, 8, 0.2);
}

.status-banner--error {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
}

.status-dot {
    width: 12px;
    height: 12px;
    background: var(--color-accent-400);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

.status-banner--warning .status-dot { background: #eab308; }
.status-banner--error .status-dot { background: #ef4444; }

.status-text {
    font-weight: 500;
}

.status-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.status-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
}

.status-item-name {
    font-weight: 500;
}

.status-item-badge {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-accent-400);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.status-item-badge--degraded {
    background: rgba(234, 179, 8, 0.1);
    color: #eab308;
}

/* ==========================================================================
   BLOG
   ========================================================================== */
.blog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

@media (min-width: 768px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.blog-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
}

.blog-card:hover {
    border-color: var(--color-primary-500);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.blog-card-image {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card-image img {
    transform: scale(1.05);
}

.blog-card-content {
    padding: var(--space-6);
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.blog-card-category {
    color: var(--color-primary-400);
    font-weight: 500;
}

.blog-card-title {
    font-size: var(--text-h4);
    font-weight: 600;
    margin-bottom: var(--space-2);
    line-height: 1.4;
}

.blog-card-excerpt {
    color: var(--text-secondary);
    font-size: var(--text-small);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ==========================================================================
   FORMS
   ========================================================================== */
.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-size: var(--text-small);
    font-weight: 500;
    margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    font-family: inherit;
    font-size: var(--text-body);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-hint {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-primary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr repeat(3, 1fr);
    }
}

.footer-brand {
    max-width: 20rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.footer-description {
    color: var(--text-secondary);
    font-size: var(--text-small);
    margin-bottom: var(--space-6);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.footer-social-link:hover {
    background: var(--color-primary-500);
    color: white;
}

.footer-column-title {
    font-size: var(--text-small);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

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

.footer-link {
    display: block;
    padding: var(--space-2) 0;
    font-size: var(--text-small);
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-primary-400);
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-primary);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.footer-copyright {
    font-size: var(--text-small);
    color: var(--text-tertiary);
}

.footer-bottom-links {
    display: flex;
    gap: var(--space-6);
}

.footer-bottom-link {
    font-size: var(--text-small);
    color: var(--text-secondary);
}

.footer-bottom-link:hover {
    color: var(--color-primary-400);
}

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* Stagger delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ==========================================================================
   REDUCED MOTION
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale {
        opacity: 1;
        transform: none;
    }

    .bounding-box,
    .detection-item,
    .floating-tag {
        opacity: 1;
        transform: none;
    }

    .detection-item-bar-fill {
        animation: none;
        width: var(--fill-width);
    }
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

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

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-cyan { color: var(--color-primary-400); }

.bg-gradient-radial {
    background: radial-gradient(ellipse at center, var(--color-primary-900), transparent);
}

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

.pt-24 { padding-top: var(--space-24); }

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */
@media print {
    .navbar,
    .footer,
    .btn {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .section {
        padding: 2rem 0;
    }
}

/* ==========================================================================
   SCROLLBAR STYLES
   ========================================================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-slate-600);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-slate-500);
}

/* ==========================================================================
   PERFORMANCE OPTIMIZATIONS
   ========================================================================== */
.section {
    content-visibility: auto;
    contain-intrinsic-size: 0 500px;
}

img {
    content-visibility: auto;
}