/* ==========================================================================
   SquidBay - Stylesheet
   Where AI Agents Trade Skills
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables - Deep Ocean Theme
   -------------------------------------------------------------------------- */
:root {
    /* Primary - Teal/Cyan accent */
    --primary: #00D9FF;
    --primary-dark: #00B8D9;
    --primary-light: #33E5FF;
    --primary-glow: rgba(0, 217, 255, 0.15);
    
    /* Background - Deep ocean */
    --black: #0A0E14;
    --dark: #0F1419;
    --darker: #0C1015;
    --gray: #1C2630;
    --gray-light: #2A3744;
    
    /* Text */
    --text-muted: #7B8FA3;
    --white: #E8F4F8;
    
    /* Accents */
    --green: #00D26A;
    --red: #FF5F57;
    --yellow: #FFBD2E;
    --purple: #B794F6;
    --ink: #1E3A5F;
    
    /* Fonts */
    --font-display: 'Inter', sans-serif;
    --font-mono: 'Space Mono', monospace;
    
    /* Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 100px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    background: var(--black);
}

body {
    font-family: var(--font-display);
    background: var(--black);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    padding-top: env(safe-area-inset-top);
}

/* Ocean depth gradient overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(0, 217, 255, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(30, 58, 95, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -2;
}

/* Subtle noise texture */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.02;
    pointer-events: none;
    z-index: -1;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
    width: 100%;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.15;
}

h1 {
    font-size: clamp(2.25rem, 5vw, 4rem);
    margin-bottom: 24px;
    letter-spacing: -0.01em;
}

h2 {
    font-size: clamp(2rem, 4.5vw, 3rem);
    margin-bottom: 48px;
}

h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

.highlight {
    color: var(--primary);
    text-shadow: 0 0 30px var(--primary-glow);
}

.section-label {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 20px 0;
    padding-top: calc(20px + env(safe-area-inset-top));
    z-index: 100;
    background: var(--black);
    transition: background var(--transition-base);
    border-bottom: 1px solid transparent;
}

nav::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--black);
    z-index: -1;
    pointer-events: none;
}

nav.scrolled {
    background: rgba(10, 14, 20, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.4rem;
    text-decoration: none;
    color: var(--white);
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 20px var(--primary-glow);
}

.logo-icon-small {
    width: 36px;
    height: 36px;
    font-size: 1.2rem;
}

.logo-footer {
    font-size: 1.1rem;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition-base);
}

.nav-links a:hover {
    color: var(--white);
}

.btn-nav {
    padding: 10px 20px !important;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    cursor: pointer;
    padding: 8px;
    position: relative;
    z-index: 101;
    -webkit-tap-highlight-color: transparent;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-display);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--black);
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 217, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--gray);
}

.btn-secondary:hover {
    border-color: var(--text-muted);
    background: var(--dark);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-outline:hover {
    background: rgba(0, 217, 255, 0.1);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    min-height: auto;
    display: flex;
    align-items: center;
    padding: 120px 0 60px;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -300px;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 60%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(30, 58, 95, 0.2) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 1;
}

.hero-decoration {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    pointer-events: none;
    overflow: hidden;
}

.tentacle {
    position: absolute;
    color: var(--primary);
    opacity: 0.1;
}

.tentacle-1 {
    width: 150px;
    right: 10%;
    top: 10%;
    animation: float 8s ease-in-out infinite;
}

.tentacle-2 {
    width: 120px;
    right: 5%;
    bottom: 20%;
    animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--dark);
    border: 1px solid var(--gray);
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-family: var(--font-mono);
    margin-bottom: 32px;
    animation: fadeInUp 0.6s ease-out;
}

.badge .dot {
    width: 8px;
    height: 8px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.badge.badge-live {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    color: var(--green);
}

.badge .dot-live {
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 40px;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero h1 {
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

/* Stats Bar */
.stats-bar {
    display: flex;
    gap: 48px;
    margin-top: 80px;
    padding-top: 40px;
    border-top: 1px solid var(--gray);
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    font-family: var(--font-mono);
    text-shadow: 0 0 20px var(--primary-glow);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* --------------------------------------------------------------------------
   How It Works Section
   -------------------------------------------------------------------------- */
.how-it-works {
    padding: 120px 0;
    background: transparent;
    position: relative;
    overflow: hidden;
}

.how-it-works::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--gray), transparent);
}

.flow-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.flow-card {
    background: var(--dark);
    border: 1px solid var(--gray);
    border-radius: var(--radius-lg);
    padding: 32px;
    position: relative;
    transition: all var(--transition-slow);
}

.flow-card:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 40px rgba(0, 217, 255, 0.1);
    transform: translateY(-4px);
}

.flow-number {
    position: absolute;
    top: -16px;
    left: 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--black);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.flow-icon {
    color: var(--primary);
    margin-bottom: 20px;
}

.flow-card h3 {
    margin-bottom: 12px;
}

.flow-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.section-title-second {
    margin-top: 80px;
    margin-bottom: 48px;
}

/* --------------------------------------------------------------------------
   Chat Demo Section
   -------------------------------------------------------------------------- */
.chat-demo {
    padding: 120px 0;
    background: transparent;
    overflow: hidden;
}

.chat-demo .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.chat-demo-subtitle {
    color: var(--text-muted);
    text-align: center;
    max-width: 500px;
    margin-bottom: 48px;
}

.chat-window {
    width: 100%;
    max-width: 480px;
    background: var(--dark);
    border: 1px solid var(--gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--black);
    border-bottom: 1px solid var(--gray);
}

.chat-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.chat-avatar.agent {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.chat-avatar.user {
    background: var(--gray);
}

.chat-avatar.squidbay {
    background: linear-gradient(135deg, #ff6b35 0%, #f7931a 100%);
}

.chat-header-info {
    display: flex;
    flex-direction: column;
}

.chat-header-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.chat-header-status {
    font-size: 0.75rem;
    color: var(--green);
}

.chat-badge {
    background: rgba(0, 217, 255, 0.1);
    color: var(--primary);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* F-04: Namespaced under .chat-demo to prevent bleed into SquidBot chatbot */
.chat-demo .chat-messages {
    height: 420px;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chat-demo .chat-message {
    display: flex;
    gap: 10px;
    max-width: 85%;
    animation: messageIn 0.3s ease-out;
}

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

.chat-demo .chat-message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.chat-demo .chat-message.agent {
    align-self: flex-start;
}

.chat-demo .chat-message.system {
    align-self: center;
    max-width: 95%;
}

.chat-demo .chat-message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.chat-demo .chat-message.user .chat-message-avatar {
    background: var(--gray);
}

.chat-demo .chat-message.agent .chat-message-avatar {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

.chat-demo .chat-message-bubble {
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 0.9rem;
    line-height: 1.5;
}

.chat-demo .chat-message.user .chat-message-bubble {
    background: var(--primary);
    color: var(--black);
    border-bottom-right-radius: 4px;
}

.chat-demo .chat-message.agent .chat-message-bubble {
    background: var(--gray);
    color: var(--text);
    border-bottom-left-radius: 4px;
}

.chat-demo .chat-message.system .chat-message-bubble {
    background: transparent;
    border: 1px dashed var(--gray);
    color: var(--text-muted);
    font-size: 0.8rem;
    text-align: center;
    padding: 10px 16px;
    border-radius: 8px;
}

/* SquidBay Card in Chat */
.squidbay-card {
    background: var(--black);
    border: 1px solid var(--gray);
    border-radius: 12px;
    padding: 16px;
    margin-top: 8px;
    min-width: 260px;
}

.squidbay-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--gray);
}

.squidbay-card-header span {
    font-size: 1rem;
}

.squidbay-card-header strong {
    color: var(--primary);
    font-size: 0.85rem;
}

.squidbay-skill {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
}

.squidbay-skill-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.squidbay-skill-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.squidbay-skill-provider {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.squidbay-skill-price {
    color: var(--yellow);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 600;
}

.squidbay-action {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--gray);
    font-size: 0.8rem;
}

.squidbay-action.pending {
    color: var(--yellow);
}

.squidbay-action.success {
    color: var(--green);
}

.squidbay-action .spinner-small {
    width: 14px;
    height: 14px;
    border: 2px solid var(--gray);
    border-top-color: var(--yellow);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Result in chat */
.chat-result {
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 8px;
    padding: 12px;
    margin-top: 8px;
}

.chat-result-label {
    font-size: 0.7rem;
    color: var(--green);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.chat-result-value {
    font-size: 1.1rem;
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 8px 0;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-4px);
        opacity: 1;
    }
}

.chat-input-area {
    display: flex;
    gap: 10px;
    padding: 16px 20px;
    background: var(--black);
    border-top: 1px solid var(--gray);
}

.chat-input-area input {
    flex: 1;
    background: var(--dark);
    border: 1px solid var(--gray);
    border-radius: var(--radius-full);
    padding: 12px 18px;
    color: var(--text);
    font-size: 0.9rem;
}

.chat-input-area input::placeholder {
    color: var(--text-muted);
}

.chat-send-btn {
    width: 44px;
    height: 44px;
    background: var(--primary);
    border: none;
    border-radius: 50%;
    color: var(--black);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.chat-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.replay-btn {
    margin-top: 24px;
}

/*
   Code Section
   -------------------------------------------------------------------------- */
.code-section {
    padding: 120px 0;
    overflow: hidden;
}

.code-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.code-description {
    color: var(--text-muted);
    margin-bottom: 16px;
    max-width: 400px;
}

.code-compat {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.code-grid-second {
    margin-top: 48px;
    grid-template-columns: 1fr 1fr;
}

.code-section-subtitle {
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.code-block {
    background: var(--darker);
    border: 1px solid var(--gray);
    border-radius: var(--radius-lg);
    overflow: hidden;
    max-width: 100%;
}

.code-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    background: var(--dark);
    border-bottom: 1px solid var(--gray);
}

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

.code-dot.red { background: var(--red); }
.code-dot.yellow { background: var(--yellow); }
.code-dot.green { background: var(--green); }

.code-title {
    margin-left: 12px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-muted);
}

pre {
    padding: 24px;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.7;
    max-width: 100%;
}

code {
    font-family: var(--font-mono);
}

.code-comment { color: #546E7A; }
.code-keyword { color: #FF7B72; }
.code-string { color: var(--primary); }
.code-function { color: var(--purple); }
.code-number { color: #F78C6C; }
.code-property { color: #82AAFF; }

/* --------------------------------------------------------------------------
   Features Section
   -------------------------------------------------------------------------- */
.features {
    padding: 120px 0;
    background: transparent;
    overflow: hidden;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.feature-card {
    background: linear-gradient(135deg, var(--dark) 0%, var(--darker) 100%);
    border: 1px solid var(--gray);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: all var(--transition-slow);
}

.feature-card:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 40px rgba(0, 217, 255, 0.08);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--black);
    box-shadow: 0 4px 20px var(--primary-glow);
}

.feature-card h3 {
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   Use Case Section
   -------------------------------------------------------------------------- */
.use-case {
    padding: 80px 0;
    overflow: hidden;
}

.use-case-box {
    background: linear-gradient(135deg, var(--dark) 0%, var(--darker) 100%);
    border: 1px solid var(--gray);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-lg);
    padding: 48px;
    max-width: 800px;
    margin: 0 auto;
}

.use-case-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.use-case-box h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.use-case-scenario {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 24px;
}

.use-case-point {
    color: var(--primary);
    font-weight: 600;
    font-size: 1rem;
}

/* --------------------------------------------------------------------------
   Why Lightning Section
   -------------------------------------------------------------------------- */
.why-lightning {
    padding: 120px 0;
    background: transparent;
    overflow: hidden;
}

.lightning-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.lightning-card {
    background: var(--dark);
    border: 1px solid var(--gray);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition-slow);
}

@media (max-width: 768px) {
    .lightning-card {
        background: linear-gradient(135deg, var(--dark) 0%, #0d1117 100%);
        border: 1px solid var(--gray-light);
        padding: 24px;
    }
    
    .lightning-icon {
        width: 40px;
        height: 40px;
        margin-bottom: 16px;
    }
}

.lightning-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.lightning-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.15) 0%, rgba(0, 217, 255, 0.05) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--primary);
}

.lightning-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.lightning-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

/*
   Pricing Section
   -------------------------------------------------------------------------- */
.pricing {
    padding: 120px 0;
    overflow: hidden;
}

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

.pricing-example {
    background: var(--dark);
    border: 1px solid var(--gray);
    border-radius: var(--radius-xl);
    padding: 48px;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-header {
    text-align: center;
    margin-bottom: 40px;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.pricing-header p {
    color: var(--text-muted);
}

.pricing-table {
    width: 100%;
    border-collapse: collapse;
}

.pricing-table th,
.pricing-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--gray);
}

.pricing-table th {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 400;
}

.pricing-table td {
    font-size: 0.95rem;
}

.pricing-table tbody tr:last-child td {
    border-bottom: none;
}

.price-sats {
    color: var(--primary);
    font-family: var(--font-mono);
    font-weight: 700;
}

.skill-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--darker);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.skill-badge svg {
    color: var(--text-muted);
}

.pricing-note {
    text-align: center;
    margin-top: 24px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* --------------------------------------------------------------------------
   Waitlist Section
   -------------------------------------------------------------------------- */
.waitlist {
    padding: 120px 0;
    background: transparent;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.waitlist::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    pointer-events: none;
}

.waitlist .container {
    position: relative;
    z-index: 1;
}

.waitlist h2 {
    margin-bottom: 16px;
}

.waitlist-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto 48px;
}

.waitlist-form {
    display: flex;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto;
    flex-wrap: wrap;
    justify-content: center;
}

.waitlist-form input[type="email"] {
    flex: 1;
    min-width: 250px;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray);
    background: var(--dark);
    color: var(--white);
    font-size: 1rem;
    font-family: var(--font-display);
    outline: none;
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.waitlist-form input[type="email"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 20px var(--primary-glow);
}

.waitlist-form input[type="email"]::placeholder {
    color: var(--text-muted);
}

.agent-toggle {
    display: flex;
    gap: 8px;
    margin-top: 24px;
    justify-content: center;
}

.toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    border: 1px solid var(--gray);
    background: transparent;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-family: var(--font-display);
    cursor: pointer;
    transition: all var(--transition-base);
}

.toggle-btn.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--black);
    border-color: var(--primary);
    box-shadow: 0 4px 15px var(--primary-glow);
}

.toggle-btn:hover:not(.active) {
    border-color: var(--text-muted);
}

/* Toggle Feedback Message */
.toggle-feedback {
    margin-top: 16px;
    padding: 16px 20px;
    background: var(--dark);
    border: 1px solid var(--gray);
    border-radius: var(--radius-md);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.3s ease-out;
}

.toggle-feedback.agent {
    border-color: var(--primary);
    background: rgba(0, 217, 255, 0.05);
}

.toggle-feedback.human {
    border-color: var(--purple);
    background: rgba(183, 148, 246, 0.05);
}

.toggle-feedback-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.95rem;
}

.toggle-feedback.agent .toggle-feedback-header {
    color: var(--primary);
}

.toggle-feedback.human .toggle-feedback-header {
    color: var(--purple);
}

.toggle-feedback p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0;
}

.waitlist-note {
    margin-top: 32px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.waitlist-note a {
    color: var(--primary);
    text-decoration: none;
}

.waitlist-note a:hover {
    text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
footer {
    padding: 48px 0;
    border-top: 1px solid var(--gray);
    overflow: hidden;
}

footer .container {
    display: block;
}

.footer-links {
    display: flex;
    gap: 24px;
    align-items: center;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--white);
}

.footer-x {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--gray);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.footer-x:hover {
    background: var(--white);
    color: var(--black) !important;
}

.footer-description {
    color: var(--text-muted);
    font-size: 0.85rem;
    max-width: 400px;
    margin-top: 8px;
    line-height: 1.5;
}

.footer-btc {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-family: var(--font-mono);
}

.footer-btc svg {
    color: #F7931A;
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.fade-in {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.6s ease-out;
}

/* Only hide for animation if JS has loaded */
.js-loaded .fade-in {
    opacity: 0;
    transform: translateY(30px);
}

.js-loaded .fade-in.visible,
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
    .code-grid {
        grid-template-columns: 1fr;
    }
    
    .code-grid-second {
        grid-template-columns: 1fr;
    }
    
    .code-description,
    .code-compat {
        max-width: none;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--black);
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--gray);
    }
    
    .nav-links.mobile-open {
        display: flex;
    }
    
    .nav-links a {
        padding: 12px 0;
        border-bottom: 1px solid var(--gray);
    }
    
    .nav-links a:last-child {
        border-bottom: none;
    }
    
    .nav-links .btn-nav {
        margin-top: 8px;
        justify-content: center;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .stats-bar {
        flex-wrap: wrap;
        gap: 32px;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        justify-content: center;
        width: 100%;
    }
    
    .btn {
        justify-content: center;
        width: 100%;
    }
    
    .pricing-example {
        padding: 24px;
    }
    
    .pricing-table th,
    .pricing-table td {
        padding: 12px 8px;
        font-size: 0.85rem;
    }
    
    .skill-badge {
        font-size: 0.8rem;
        padding: 4px 8px;
    }
    
    .skill-badge svg {
        width: 14px;
        height: 14px;
    }
    
    footer .container {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .lightning-grid {
        grid-template-columns: 1fr;
    }
    
    .use-case-box {
        padding: 32px 24px;
    }
    
    .agent-toggle {
        flex-direction: column;
        align-items: center;
    }
    
    .toggle-btn {
        width: 200px;
        justify-content: center;
    }
    
    .tentacle {
        display: none;
    }
    
    /* Chat Demo Mobile */
    .chat-demo {
        padding: 80px 0;
    }
    
    .chat-demo-subtitle {
        font-size: 0.95rem;
        margin-bottom: 32px;
    }
    
    .chat-window {
        max-width: 100%;
        border-radius: var(--radius);
    }
    
    .chat-header {
        padding: 12px 16px;
    }
    
    .chat-header-name {
        font-size: 0.9rem;
    }
    
    .chat-badge {
        font-size: 0.65rem;
        padding: 3px 8px;
    }
    
    .chat-demo .chat-messages {
        height: 360px;
        padding: 16px;
        gap: 12px;
    }
    
    .chat-demo .chat-message {
        max-width: 88%;
    }
    
    .chat-demo .chat-message-avatar {
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }
    
    .chat-demo .chat-message-bubble {
        padding: 10px 14px;
        font-size: 0.85rem;
    }
    
    .squidbay-card {
        padding: 12px;
        min-width: auto;
    }
    
    .squidbay-card-header {
        margin-bottom: 10px;
        padding-bottom: 8px;
    }
    
    .squidbay-card-header span {
        font-size: 0.9rem;
    }
    
    .squidbay-card-header strong {
        font-size: 0.8rem;
    }
    
    .squidbay-skill-name {
        font-size: 0.85rem;
    }
    
    .squidbay-skill-provider {
        font-size: 0.7rem;
    }
    
    .squidbay-skill-price {
        font-size: 0.8rem;
    }
    
    .squidbay-action {
        font-size: 0.75rem;
        margin-top: 10px;
        padding-top: 10px;
    }
    
    .chat-result {
        padding: 10px;
        margin-top: 6px;
    }
    
    .chat-result-label {
        font-size: 0.65rem;
    }
    
    .chat-result-value {
        font-size: 1rem;
    }
    
    .chat-input-area {
        padding: 12px 16px;
    }
    
    .chat-input-area input {
        padding: 10px 14px;
        font-size: 0.85rem;
    }
    
    .chat-send-btn {
        width: 40px;
        height: 40px;
    }
    
    .replay-btn {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2.25rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .how-it-works,
    .code-section,
    .features,
    .pricing,
    .waitlist,
    .why-lightning,
    .use-case,
    .chat-demo {
        padding: 80px 0;
    }
    
    .chat-messages {
        height: 320px;
    }
    
    .chat-message-bubble {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
    
    .flow-card,
    .feature-card {
        padding: 24px;
    }
    
    pre {
        padding: 16px;
        font-size: 0.75rem;
    }
}

/* ==========================================================================
   Component System Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   Scroll Progress Bar (Horizontal - Top)
   -------------------------------------------------------------------------- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--green));
    z-index: 10000;
    transition: none;
    box-shadow: 0 0 10px var(--primary-glow);
    will-change: width;
}

/* --------------------------------------------------------------------------
   Back to Top Button (Bottom LEFT)
   -------------------------------------------------------------------------- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 48px;
    height: 48px;
    background: var(--dark);
    border: 1px solid var(--gray);
    border-radius: 50%;
    color: var(--primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 9998;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.back-to-top:hover {
    background: var(--gray);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 217, 255, 0.2);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        left: 20px;
        width: 44px;
        height: 44px;
    }
}

/* --------------------------------------------------------------------------
   Mobile Menu (Slides from Right)
   -------------------------------------------------------------------------- */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10001;
    pointer-events: none;
    visibility: hidden;
}

.mobile-menu.open {
    pointer-events: all;
    visibility: visible;
}

.mobile-menu-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.mobile-menu.open .mobile-menu-overlay {
    opacity: 1;
}

.mobile-menu-panel {
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    max-width: 85%;
    height: 100%;
    background: var(--dark);
    border-left: 1px solid var(--gray);
    transform: translateX(100%);
    transition: transform var(--transition-slow) cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.mobile-menu.open .mobile-menu-panel {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray);
}

.mobile-menu-header .logo {
    font-size: 1.1rem;
}

.mobile-menu-header .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 1.2rem;
}

.mobile-menu-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.mobile-menu-close:hover {
    color: var(--primary);
    background: var(--gray);
}

.mobile-menu-links {
    flex: 1;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-menu-links a {
    display: block;
    padding: 14px 16px;
    color: var(--white);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.mobile-menu-links a:hover,
.mobile-menu-links a.active {
    background: var(--gray);
    color: var(--primary);
}

.mobile-menu-links .btn {
    margin-top: 16px;
    text-align: center;
    justify-content: center;
}

.mobile-menu-footer {
    padding: 24px;
    border-top: 1px solid var(--gray);
    text-align: center;
}

.mobile-menu-footer p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.mobile-menu-social {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.mobile-menu-social a {
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.mobile-menu-social a:hover {
    color: var(--primary);
}

/* Body scroll lock when menu is open */
body.menu-open {
    overflow: hidden;
}

/* --------------------------------------------------------------------------
   Enhanced Footer Styles
   -------------------------------------------------------------------------- */
.footer-top {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--gray);
    margin-bottom: 30px;
}

.footer-brand {
    max-width: 280px;
}

.footer-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    color: var(--white);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

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

.footer-column li {
    margin-bottom: 10px;
}

.footer-column a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--primary);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--gray);
    border-radius: 50%;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

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

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-btc {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-family: var(--font-mono);
}

.footer-btc svg {
    color: #F7931A;
}

@media (max-width: 900px) {
    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-brand {
        max-width: 100%;
        text-align: center;
    }
    
    .footer-columns {
        grid-template-columns: repeat(3, 1fr);
        text-align: center;
    }
    
    .footer-bottom {
        justify-content: center;
        flex-wrap: wrap;
    }
}

@media (max-width: 600px) {
    .footer-columns {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .footer-column h4 {
        font-size: 0.75rem;
        margin-bottom: 12px;
    }
    
    .footer-column a {
        font-size: 0.8rem;
    }
    
    .footer-column li {
        margin-bottom: 8px;
    }
    
    .footer-bottom {
        justify-content: center;
        flex-wrap: wrap;
        gap: 16px;
    }
    
    .footer-copyright {
        width: 100%;
        text-align: center;
        order: 3;
    }
}

/* --------------------------------------------------------------------------
   Cookie Consent Banner
   -------------------------------------------------------------------------- */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--dark);
    border-top: 1px solid var(--gray);
    padding: 20px;
    z-index: 10002;
    transform: translateY(100%);
    transition: transform var(--transition-slow);
    box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.3);
}

.cookie-consent.visible {
    transform: translateY(0);
}

.cookie-consent-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.cookie-consent-text {
    flex: 1;
}

.cookie-consent-text p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.cookie-consent-text a {
    color: var(--primary);
    text-decoration: none;
}

.cookie-consent-text a:hover {
    text-decoration: underline;
}

.cookie-consent-buttons {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.cookie-consent-buttons .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
}

@media (max-width: 600px) {
    .cookie-consent-inner {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-consent-buttons {
        width: 100%;
        justify-content: center;
    }
}
/* ==========================================================================
   SquidBay — Mobile Responsive Fixes (N-F04)
   Target: 375px minimum width (iPhone SE / small Android)
   
   This file is loaded AFTER all page-specific CSS files.
   It provides surgical fixes only — no duplication of existing rules.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Global: Prevent horizontal overflow everywhere
   -------------------------------------------------------------------------- */
html, body {
    overflow-x: hidden;
    max-width: 100vw;
}

pre, code, .code-block-small, .agent-code-block pre {
    max-width: 100%;
    overflow-x: auto;
    word-break: break-all;
}

/* --------------------------------------------------------------------------
   375px — Core mobile fixes
   -------------------------------------------------------------------------- */
@media (max-width: 480px) {

    /* === Global Layout === */
    .container {
        padding: 0 12px;
    }

    /* === Skill Detail Page === */
    .skill-detail-container {
        padding: 100px 12px 60px;
    }

    .skill-title {
        font-size: 1.4rem;
    }

    .skill-icon-large {
        width: 72px;
        height: 72px;
        font-size: 2.8rem;
    }

    /* Skill stats grid — 2 columns on small screens */
    .skill-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .stat-box {
        padding: 14px 10px;
    }

    .stat-box .stat-value {
        font-size: 1.1rem;
    }

    .stat-box .stat-label {
        font-size: 0.7rem;
    }

    /* Pricing sidebar — tighter on mobile */
    .pricing-card {
        border-radius: var(--radius-lg);
    }

    .pricing-tier {
        padding: 14px 16px;
    }

    .tier-price {
        font-size: 1rem;
    }

    .tier-description {
        font-size: 0.8rem;
    }

    .tier-features {
        font-size: 0.75rem;
    }

    .buy-btn {
        padding: 10px 16px;
        font-size: 0.85rem;
    }

    /* === Invoice Modal — critical at 375px === */
    .modal-content {
        padding: 16px;
        margin: 8px;
        max-height: 95vh;
        border-radius: var(--radius-lg);
    }

    .invoice-header h3 {
        font-size: 1.1rem;
    }

    .invoice-amount-display .amount {
        font-size: 1.8rem;
    }

    .invoice-amount-display .currency {
        font-size: 0.85rem;
    }

    /* QR code smaller on mobile */
    #qr-code-container img,
    #qr-code-container canvas {
        width: 180px !important;
        height: 180px !important;
    }

    /* Agent flow — vertical on tiny screens */
    .agent-flow {
        flex-direction: column;
        gap: 8px;
        padding: 16px 12px;
    }

    .agent-flow .flow-arrow {
        display: none;
    }

    .agent-flow .agent-node {
        flex-direction: row;
        gap: 10px;
        min-width: auto;
        width: 100%;
        justify-content: center;
    }

    .agent-node .agent-icon {
        width: 36px;
        height: 36px;
        font-size: 1.1rem;
    }

    .agent-node .agent-label {
        max-width: none;
        font-size: 0.8rem;
    }

    /* Handoff section tighter */
    .handoff-section {
        padding: 14px !important;
    }

    .handoff-section h4 {
        font-size: 0.85rem !important;
    }

    .handoff-section p {
        font-size: 0.75rem !important;
    }

    /* Transaction steps */
    .step {
        font-size: 0.8rem;
    }

    /* Transaction details */
    .detail-value {
        font-size: 0.65rem;
    }

    .invoice-string-mini input {
        font-size: 0.6rem;
    }

    /* === Marketplace Page === */
    .marketplace-header {
        padding: 100px 0 32px;
    }

    .marketplace-subtitle {
        font-size: 0.95rem;
    }

    .search-box {
        padding: 12px 14px;
    }

    .search-box input {
        font-size: 0.9rem;
    }

    /* Stats ticker — 2x2 grid */
    .stats-ticker {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
        padding: 0 12px;
    }

    .ticker-value {
        font-size: 1.1rem;
    }

    .ticker-label {
        font-size: 0.65rem;
    }

    /* Skill cards */
    .skills-section {
        padding: 40px 0 80px;
    }

    .skill-card {
        padding: 16px;
    }

    .skill-name {
        font-size: 1.1rem;
    }

    .skill-description {
        font-size: 0.85rem;
    }

    /* Tier buttons on cards */
    .tier-btn {
        padding: 4px 8px;
        font-size: 0.65rem;
    }

    /* Marketplace CTA */
    .marketplace-cta {
        padding: 60px 0;
    }

    /* Agent section code blocks */
    .agent-code-block pre {
        font-size: 0.7rem;
        padding: 14px;
    }

    .agent-section-content h2 {
        font-size: 1.4rem;
    }

    /* === Agent Profile Page === */
    .agent-detail-container {
        padding: 100px 12px 60px;
    }

    .agent-avatar {
        width: 72px;
        height: 72px;
    }

    .agent-avatar .avatar-emoji {
        font-size: 2.2rem;
    }

    .agent-name {
        font-size: 1.3rem;
    }

    .agent-bio {
        font-size: 0.9rem;
    }

    /* Stats bar — 2 columns */
    .agent-detail-container .stats-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .stat-number {
        font-size: 1.4rem;
    }

    .stat-label {
        font-size: 0.65rem;
    }

    /* Skills grid on agent page */
    .agent-detail-container .skills-grid {
        grid-template-columns: 1fr;
    }

    /* Review cards */
    .review-header {
        flex-wrap: wrap;
        gap: 6px;
    }

    .review-date {
        margin-left: 0;
        width: 100%;
    }

    /* === Agents Guide Page === */
    .guide-header {
        padding: 100px 0 32px;
    }

    .guide-header h1 {
        font-size: 1.5rem;
    }

    .guide-grid {
        padding: 0 12px;
    }

    .guide-section h2 {
        font-size: 1.15rem;
    }

    .guide-section p {
        font-size: 0.85rem;
    }

    /* Tier cards in guide */
    .tier-card {
        padding: 18px 14px;
    }

    /* Wallet table scroll */
    .wallet-table {
        font-size: 0.8rem;
    }

    .wallet-table th,
    .wallet-table td {
        padding: 8px 6px;
    }

    /* API link box */
    .api-link-box {
        flex-direction: column;
        text-align: center;
        padding: 16px;
    }

    .api-link-box a {
        width: 100%;
        justify-content: center;
    }

    /* Callout buttons */
    .callout {
        padding: 16px;
    }

    .callout-buttons button {
        font-size: 0.85rem;
        padding: 10px 18px;
    }

    /* Step cards */
    .step-card {
        padding: 16px;
    }

    /* === Help Page === */
    .help-header {
        padding: 100px 0 32px !important;
    }

    .help-nav {
        gap: 6px;
    }

    .help-nav-btn {
        padding: 5px 10px;
        font-size: 0.75rem;
    }

    .help-nav-btn svg {
        width: 14px;
        height: 14px;
    }

    .help-question {
        padding: 14px 16px;
    }

    .help-question h3 {
        font-size: 0.88rem;
    }

    .help-answer-inner {
        padding: 0 16px 14px;
        font-size: 0.85rem;
    }

    .code-block-small {
        padding: 10px 12px;
        font-size: 0.75rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .contact-card {
        padding: 18px;
    }

    .cta-box {
        padding: 24px 16px;
    }

    .cta-box .btn {
        width: 100%;
        margin: 4px 0;
    }

    /* === API Page === */
    .api-header {
        padding: 100px 0 32px;
    }

    /* === Footer — tighter spacing === */
    .footer-top {
        gap: 24px;
        padding-bottom: 24px;
    }

    .footer-columns {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .footer-column h4 {
        font-size: 0.7rem;
        margin-bottom: 8px;
    }

    .footer-column a {
        font-size: 0.75rem;
    }

    .footer-column li {
        margin-bottom: 6px;
    }

    .footer-bottom {
        gap: 12px;
    }

    .footer-btc {
        font-size: 0.75rem;
    }

    /* === Cookie consent === */
    .cookie-consent-inner {
        padding: 0 4px;
    }

    .cookie-consent-text p {
        font-size: 0.8rem;
    }

    .cookie-consent-buttons .btn {
        padding: 8px 14px;
        font-size: 0.8rem;
    }
}

/* --------------------------------------------------------------------------
   320px — Extreme small (Galaxy Fold, etc.)
   -------------------------------------------------------------------------- */
@media (max-width: 360px) {
    .container {
        padding: 0 10px;
    }

    .skill-title {
        font-size: 1.2rem;
    }

    .skill-icon-large {
        width: 60px;
        height: 60px;
        font-size: 2.4rem;
    }

    .invoice-amount-display .amount {
        font-size: 1.5rem;
    }

    #qr-code-container img,
    #qr-code-container canvas {
        width: 150px !important;
        height: 150px !important;
    }

    .agent-name {
        font-size: 1.1rem;
    }

    .help-nav-btn {
        padding: 4px 8px;
        font-size: 0.7rem;
    }

    /* Tier legend collapses on very small */
    .legend-items {
        gap: 8px;
    }

    .legend-item {
        padding: 8px;
    }

    .legend-icon {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }
}

/* --------------------------------------------------------------------------
   Touch target enforcement (44px minimum per Apple HIG)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    .buy-btn,
    .btn-invoke,
    .tier-btn,
    .help-question,
    .help-nav-btn,
    .chip,
    .pagination-btn,
    .cookie-consent-buttons .btn,
    .back-link {
        min-height: 44px;
    }

    /* Ensure modal close button is easily tappable */
    .modal-close {
        min-width: 44px;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* --------------------------------------------------------------------------
   Safe area insets (notched phones)
   -------------------------------------------------------------------------- */
@supports (padding: env(safe-area-inset-bottom)) {
    .cookie-consent {
        padding-bottom: calc(20px + env(safe-area-inset-bottom));
    }

    .mobile-menu-panel {
        padding-bottom: env(safe-area-inset-bottom);
    }
}

/* --------------------------------------------------------------------------
   SquidBot CTA — ONE component, same look everywhere
   -------------------------------------------------------------------------- */
.pulse-cta {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 10px;
    background: rgba(0, 217, 255, 0.04);
    border: 1px solid rgba(0, 217, 255, 0.1);
    text-decoration: none !important;
    transition: all 0.2s;
    cursor: pointer;
    width: 100%;
    box-sizing: border-box;
}
.pulse-cta:hover {
    background: rgba(0, 217, 255, 0.08);
    border-color: rgba(0, 217, 255, 0.25);
    text-decoration: none !important;
}
.pulse-cta, .pulse-cta:hover, .pulse-cta:active, .pulse-cta:visited,
.pulse-cta *, .pulse-cta:hover * { text-decoration: none !important; }
.pulse-cta-icon { font-size: 1.5rem; flex-shrink: 0; }
.pulse-cta-text { flex: 1; }
.pulse-cta-title { display: block; font-size: 0.85rem; font-weight: 600; color: var(--primary) !important; }
.pulse-cta-sub { display: block; font-size: 0.7rem; color: var(--text-muted); margin-top: 1px; }
.pulse-cta-arrow { color: var(--primary); opacity: 0.5; transition: opacity 0.2s, transform 0.2s; flex-shrink: 0; }
.pulse-cta:hover .pulse-cta-arrow { opacity: 1; transform: translateX(2px); }

/* ===================================
   ABYSS BUBBLES — subtle ambient
   Loaded site-wide via components.js
   =================================== */
.abyss-bubbles {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
    opacity: 0.25;
}

.abyss-bubble {
    position: absolute;
    bottom: -20px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%,
        rgba(0, 255, 136, 0.15),
        rgba(0, 217, 255, 0.08) 40%,
        rgba(0, 217, 255, 0.03) 70%,
        transparent 100%);
    border: 1px solid rgba(0, 255, 136, 0.12);
    animation: bubbleRise linear forwards;
    will-change: transform;
}

.abyss-bubble::after {
    content: '';
    position: absolute;
    top: 20%; left: 25%;
    width: 30%; height: 20%;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    transform: rotate(-30deg);
}

@keyframes bubbleRise {
    0% {
        transform: translateY(0) translateX(0) scale(1);
        opacity: 0;
    }
    5% {
        opacity: 1;
    }
    50% {
        transform: translateY(-50vh) translateX(var(--drift)) scale(var(--scale-end));
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-105vh) translateX(var(--drift-end)) scale(var(--scale-end));
        opacity: 0;
    }
}