:root {
    
    /* ═══════════════════════════════════════════════════════════
      Alternative palettes generated with HueMint
       ═══════════════════════════════════════════════════════════ */
    /* https://huemint.com/brand-intersection/#palette=ffffff-19369a-66b4f4-0079d8 */
    /* https://huemint.com/website-3/#palette=ffffff-cde9b4-201f57-0024cf-66b4f4-feb011 */
    /* https://huemint.com/website-2/#palette=120a2c-f9cc3f-e95345-6594d6 */
    /* https://huemint.com/website-2/#palette=0a0101-fec900-f73a18-3ea8f1 */
    /* ═══════════════════════════════════════════════════════════
       JUMBO DESIGN TOKENS
       ═══════════════════════════════════════════════════════════ */

    /* ─── BRAND CORE ─── */
    --jumbo-blue: #66b4f4;
    --tangerine: #E8823A;
    --marigold: #E8A628;
    --terracotta: #D85A3A;
    --sand: #EDE4D0;

    /* ─── BRAND SHADES (darker, for hover/active/text) ─── */
    --jumbo-blue-dark: #4A9AD8;
    --tangerine-dark: #C86E30;
    --marigold-dark: #C88E20;
    --terracotta-dark: #B84A2E;
    --sand-dark: #D4CBBA;

    /* ─── BRAND TINTS (lighter, for backgrounds/disabled) ─── */
    --jumbo-blue-light: #A8D4F8;
    --tangerine-light: #F4B888;
    --marigold-light: #F4D078;
    --terracotta-light: #EDAA98;
    --sand-light: #F7F3EB;

    /* ─── NEUTRALS (pure gray) ─── */
    --neutral-50: #FEFEFE;
    --neutral-100: #F8F8F8;
    --neutral-200: #EFEFEF;
    --neutral-300: #E0E0E0;
    --neutral-400: #CCCCCC;
    --neutral-500: #A0A0A0;
    --neutral-600: #707070;
    --neutral-700: #484848;
    --neutral-800: #282828;
    --neutral-900: #181818;

    /* ─── STATUS COLORS ─── */
    --success: #4A9A6A;
    --success-light: #E8F2EC;
    --warning: var(--marigold);
    --warning-light: #FDF6E8;
    --error: var(--terracotta);
    --error-light: #FDEBE7;
    --info: var(--jumbo-blue);
    --info-light: #EBF5FC;

    /* ─── TYPOGRAPHY ─── */
    --font-main: "JetBrains Mono", monospace;

    /* ─── SPACING ─── */
    --spacing-unit: 1rem;
    --container-width: 1200px;
}

/* ===========================
   Theme Definitions
   =========================== */
:root[data-theme="dark"] {
    --color-background: var(--neutral-900);
    --color-foreground: var(--neutral-200);
    --color-muted: var(--neutral-500);
    --color-background-alt: var(--neutral-800);
    --color-text-main: var(--neutral-200);
    --color-text-muted: var(--neutral-400);
}

:root[data-theme="light"] {
    --color-background: var(--neutral-50);
    --color-foreground: var(--neutral-700);
    --color-muted: var(--neutral-500);
    --color-background-alt: var(--neutral-100);
    --color-text-main: var(--neutral-700);
    --color-text-muted: var(--neutral-500);
}

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

body {
    background-color: var(--color-background);
    font-family: var(--font-main);
    font-size: 16px;
    font-weight: 300;
    color: var(--color-text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ===========================
   Typography
   =========================== */

   h2 {
    margin-bottom: 2rem;
   }

   p {
    margin-bottom: 1rem;
   }

/* ===========================
   Typography
   =========================== */

/* ═══════════════════════════════════════════════════════════
   SEMANTIC DESIGN SYSTEM
   Built on top of the Jumbo color palette
   ═══════════════════════════════════════════════════════════ */

/* ─── LINKS ─── */
.link {
    color: var(--jumbo-blue);
    text-decoration: underline;
    cursor: pointer;
    transition: color 0.2s ease;
}
.link:hover { color: var(--jumbo-blue-dark); }

.link-accent {
    color: var(--tangerine);
    text-decoration: underline;
    cursor: pointer;
    transition: color 0.2s ease;
}
.link-accent:hover { color: var(--tangerine-dark); }

/* ─── BUTTONS: Primary CTA ─── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--jumbo-blue);
    color: var(--neutral-900);
}
.btn-primary:hover {
    background: var(--jumbo-blue-dark);
    transform: translateY(-1px);
}

.btn-accent {
    background: var(--tangerine);
    color: white;
}
.btn-accent:hover {
    background: var(--tangerine-dark);
    transform: translateY(-1px);
}

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

.btn-danger {
    background: var(--terracotta);
    color: white;
}
.btn-danger:hover {
    background: var(--terracotta-dark);
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--neutral-600);
}
.btn-ghost:hover {
    background: var(--neutral-200);
}
[data-theme="dark"] .btn-ghost { color: var(--neutral-400); }
[data-theme="dark"] .btn-ghost:hover { background: var(--neutral-700); }

/* ─── ALERTS ─── */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
}

.alert-info {
    background: var(--info-light);
    color: var(--jumbo-blue-dark);
}
[data-theme="dark"] .alert-info {
    background: rgba(102, 180, 244, 0.15);
    color: var(--jumbo-blue);
}

.alert-success {
    background: var(--success-light);
    color: #3a7a54;
}
[data-theme="dark"] .alert-success {
    background: rgba(74, 154, 106, 0.15);
    color: var(--success);
}

.alert-warning {
    background: var(--warning-light);
    color: var(--marigold-dark);
}
[data-theme="dark"] .alert-warning {
    background: rgba(232, 166, 40, 0.15);
    color: var(--marigold);
}

.alert-error {
    background: var(--error-light);
    color: var(--terracotta-dark);
}
[data-theme="dark"] .alert-error {
    background: rgba(216, 90, 58, 0.15);
    color: var(--terracotta);
}

/* ─── BADGES ─── */
.badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-primary {
    background: var(--jumbo-blue-light);
    color: var(--jumbo-blue-dark);
}
[data-theme="dark"] .badge-primary {
    background: rgba(102, 180, 244, 0.2);
    color: var(--jumbo-blue);
}

.badge-accent {
    background: var(--tangerine-light);
    color: var(--tangerine-dark);
}
[data-theme="dark"] .badge-accent {
    background: rgba(232, 130, 58, 0.2);
    color: var(--tangerine);
}

.badge-success {
    background: var(--success-light);
    color: #3a7a54;
}
[data-theme="dark"] .badge-success {
    background: rgba(74, 154, 106, 0.2);
    color: var(--success);
}

.badge-warning {
    background: var(--marigold-light);
    color: var(--marigold-dark);
}
[data-theme="dark"] .badge-warning {
    background: rgba(232, 166, 40, 0.2);
    color: var(--marigold);
}

.badge-error {
    background: var(--terracotta-light);
    color: var(--terracotta-dark);
}
[data-theme="dark"] .badge-error {
    background: rgba(216, 90, 58, 0.2);
    color: var(--terracotta);
}

/* ─── SURFACES ─── */
.surface {
    background: var(--neutral-50);
    border: 1px solid var(--neutral-200);
    border-radius: 8px;
}
[data-theme="dark"] .surface {
    background: var(--neutral-800);
    border-color: var(--neutral-700);
}

.surface-elevated {
    background: var(--neutral-100);
    border: 1px solid var(--neutral-200);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
[data-theme="dark"] .surface-elevated {
    background: var(--neutral-800);
    border-color: var(--neutral-700);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.surface-sand {
    background: var(--sand-light);
}
[data-theme="dark"] .surface-sand {
    background: var(--neutral-800);
}

/* ─── FORM INPUTS ─── */
.input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border-radius: 6px;
    font-size: 0.875rem;
    border: 1px solid var(--neutral-300);
    background: var(--neutral-50);
    color: var(--neutral-700);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.input::placeholder { color: var(--neutral-400); }
.input:focus {
    outline: none;
    border-color: var(--jumbo-blue);
    box-shadow: 0 0 0 3px var(--jumbo-blue-light);
}
[data-theme="dark"] .input {
    background: var(--neutral-900);
    border-color: var(--neutral-600);
    color: var(--neutral-200);
}
[data-theme="dark"] .input:focus {
    box-shadow: 0 0 0 3px rgba(102, 180, 244, 0.2);
}

/* ─── HIGHLIGHT ─── */
.highlight {
    background: var(--marigold-light);
    padding: 0.125rem 0.25rem;
    border-radius: 2px;
}
[data-theme="dark"] .highlight {
    background: var(--marigold-dark);
    color: var(--neutral-900);
}

/* ─── DIVIDERS ─── */
.divider {
    height: 1px;
    background: var(--neutral-200);
    border: none;
}
[data-theme="dark"] .divider {
    background: var(--neutral-700);
}

/* ─── STATUS INDICATORS ─── */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}
.status-dot-success { background: var(--success); }
.status-dot-warning { background: var(--marigold); }
.status-dot-error { background: var(--terracotta); }
.status-dot-info { background: var(--jumbo-blue); }

.container {
    width: 1050px;
    margin: 0 auto;
}

@media (max-width: 1200px) {
    .container {
        width: 850px;
    }
}

@media (max-width: 900px) {
    .container {
        width: 700px;
    }
}

section {
    padding: 3rem 0;
}

/* Header */
header {
    padding: 2rem 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    /* background: rgba(255, 255, 255, 0.9); */
    backdrop-filter: blur(10px);
    z-index: 100;
}

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

.header-inner .logo {
    font-size: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 900;
    font-size: 1.5rem;
    text-decoration: none;
    color: var(--color-text-main);
}

.logo-icon {
    width: 1.5rem;
    height: 1.5rem;
}

.logo span {
    display: inline-block;
    position: relative;
}

/* Character Kerning Tuning */
.logo .char-1 {
    letter-spacing: -0.1em;
}

.logo .char-2 {
    letter-spacing: 0;
}

.logo .char-3 {
    letter-spacing: -0.00em;
}

.logo .char-4 {
    letter-spacing: -0.04em;
}

.logo .char-5 {
    letter-spacing: 0;
}

.nav-link {
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    margin-left: 2rem;
    position: relative;
    color: var(--color-text-main);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-text-muted);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Hero */
.hero {
    display: flex;
    flex-direction: column;
    padding-top: calc(6rem + 4rem);
    padding-bottom: 6rem;
    /* Offset for fixed header + spacing */
}

.hero-content {
    display: grid;
    grid-template-columns: 7fr 5fr;
    gap: 4rem;
    align-items: center;
}

.hero-col {
    display: flex;
    flex-direction: column;
}

.hero-col h1 {
    /* border: red solid 1px; */
}

.hero-col p {
    /* border: blue solid 1px; */
}

.hero-col-left {
    /* Left column with headline, description, and CTA */
    gap: 0.25rem;
}

.hero-col-right {
    /* Right column with logo */
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-logo {
    width: 80%;
    max-width: none;
    height: auto;
}

.hero-sub {
    font-size: 1.2rem;
    font-weight: 400;
    max-width: 55ch;
}

.cta-group {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
    flex-wrap: wrap;
    align-items: center;
}

/* Floating CLI */
.floating-cli {
    display: inline-flex;
    align-items: center;
    flex-wrap: nowrap;
    font-family: "Fira Code", monospace;
    font-size: 1.25rem;
    font-weight: 500;
    /* padding: 0.75rem 1.25rem; */
    background: var(--color-background);
    /* border: 1px solid var(--color-muted);
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1); */
}

.cli-path {
    color: var(--jumbo-blue-dark);
    margin-right: 0.5rem;
    text-decoration: none;
}

.cli-path:hover {
    text-decoration: underline;
}

.cli-arrow {
    color: var(--marigold-dark);
    margin: 0 0.5rem;
}

.cli-command {
    color: var(--color-foreground);
}

.cli-cursor {
    color: var(--color-foreground);
    animation: blink 1s step-end infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.cli-copy {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--color-muted);
    cursor: pointer;
    padding: 0.25rem;
    margin-left: 0.25rem;
    border-radius: 4px;
    transition: color 0.2s ease, background-color 0.2s ease, opacity 0.3s ease;
    vertical-align: super;
    font-size: 0.7em;
    position: relative;
    top: -0.8em;
    opacity: 0;
}

.cli-copy.visible {
    opacity: 1;
}

/* Mobile CTA - hidden by default, shown on mobile */
.mobile-cta {
    display: none;
}

.cli-copy:hover {
    color: var(--jumbo-blue);
    background-color: rgba(128, 128, 128, 0.1);
}

.cli-copy .check-icon {
    display: none;
}

.cli-copy.copied .copy-icon {
    display: none;
}

.cli-copy.copied .check-icon {
    display: block;
    color: var(--success);
}

/* Capabilities Section */
.capabilities-section {
    padding: 4rem 0;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    padding: 2rem 0;
}

.capability-card {
    padding: 1.5rem;
    border-radius: 1px;
    background: var(--color-background-alt);
    max-width: none;
    font-size: 0.8rem;
}

.capability-card h3 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

/* ===========================
   Theme Toggle
   =========================== */
.theme-toggle-wrapper {
    position: fixed;
    bottom: 2rem;
    left: 0;
    right: 0;
    z-index: 999;
    pointer-events: none;
}

.theme-toggle-wrapper .container {
    display: flex;
    justify-content: flex-end;
}

.theme-toggle {
    pointer-events: auto;
    background: var(--color-background);
    color: var(--color-foreground);
    border: 1px solid var(--color-muted);
    border-radius: 50%;
    width: 29px;
    height: 29px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.theme-toggle:hover {
    border-color: var(--jumbo-blue);
    color: var(--jumbo-blue);
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
}

.theme-toggle svg {
    position: absolute;
    width: 12px;
    height: 12px;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Hide/Show icons based on theme */
:root[data-theme="light"] .icon-moon {
    opacity: 1;
    transform: rotate(0deg);
}

:root[data-theme="light"] .icon-sun {
    opacity: 0;
    transform: rotate(90deg);
}

:root[data-theme="dark"] .icon-moon {
    opacity: 0;
    transform: rotate(-90deg);
}

:root[data-theme="dark"] .icon-sun {
    opacity: 1;
    transform: rotate(0deg);
}

/* Footer */
footer {
    padding: 4rem 0;
    border-top: 1px solid var(--neutral-200);
    margin-top: 4rem;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-inner p {
    margin: 0;
    display: flex;
    align-items: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-logo-icon {
    width: 32px;
    height: 32px;
}

.footer-brand .logo {
    font-weight: 900;
    font-size: 1.5rem;
}

.social-links {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    color: var(--neutral-600);
    transition: color 0.2s ease;
}

.social-link:hover {
    color: var(--neutral-900);
}

[data-theme="dark"] .social-link {
    color: var(--neutral-400);
}

[data-theme="dark"] .social-link:hover {
    color: var(--color-text-main);
}

.social-icon {
    width: 24px;
    height: 24px;
}

[data-theme="dark"] .social-icon {
    filter: invert(1);
}

/* Animations */
@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.animate-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.2s;
}

.delay-3 {
    animation-delay: 0.3s;
}

/* Responsive */
/* ===========================
   Compatibility Section
   =========================== */
.compatibility-section {
    text-align: center;
}

.compatibility-section h2 {
    font-size: 1rem;
    font-weight: 400;
}

.compatibility-showcase {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 4rem;
}

.jumbo-logo-container {
    flex-shrink: 0;
}

.jumbo-logo-main {
    width: 84px;
    height: 84px;
}

.compatibility-arrow {
    flex-shrink: 0;
    font-size: 200%;
    font-family: 'Roboto', sans-serif;
}

.partner-carousel {
    position: relative;
    height: 96px;
    overflow: hidden;
}

.partner-carousel-left {
    width: 180px;
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 50%);
    mask-image: linear-gradient(to right, transparent 0%, black 50%);
}

.partner-carousel-right {
    width: 280px;
    -webkit-mask-image: linear-gradient(to right, black 0%, black 70%, transparent 100%);
    mask-image: linear-gradient(to right, black 0%, black 70%, transparent 100%);
}

.carousel-track {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    will-change: transform;
}

.carousel-track-left {
    left: 0;
}

.carousel-track-right {
    left: 0;
}

.partner-logo {
    flex-shrink: 0;
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: grayscale(100%);
    opacity: 0.1;
    transition: filter 0.4s ease, opacity 0.4s ease;
}

.partner-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

[data-theme="dark"] .partner-logo img[src*="amp-logo-light"],
[data-theme="dark"] .partner-logo img[src*="warp-logo"],
[data-theme="dark"] .partner-logo img[src*="openai-logo"],
[data-theme="dark"] .partner-logo img[src*="github-copilot-logo"] {
    filter: invert(1);
}

.partner-logo.active {
    filter: grayscale(0%);
    opacity: 1;
}

@media (max-width: 768px) {
    .container {
        width: 90%;
    }

    .hero {
        padding-top: calc(6rem + 2rem);
        padding-bottom: 4rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-col-right {
        order: -1;
    }

    .hero-logo {
        max-width: 120px;
    }

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

    .floating-cli {
        display: none;
    }

    .mobile-cta {
        display: inline-flex;
        background-color: var(--jumbo-blue);
        color: var(--sand-light);
    }

    .capabilities-grid {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        gap: 1rem;
        padding-bottom: 1rem;
        -webkit-overflow-scrolling: touch;
    }

    .capability-card {
        flex: 0 0 75vw;
        scroll-snap-align: start;
        font-size: calc(0.8rem + 1px);
    }

    .compatibility-showcase {
        gap: 0.5rem;
        flex-wrap: nowrap;
        justify-content: center;
    }

    .partner-carousel {
        height: 56px;
    }

    /* To center the heart: left-carousel + jumbo-logo = right-carousel */
    /* With jumbo at 48px and right at 120px, left should be 72px */
    .partner-carousel-left {
        width: 72px;
        -webkit-mask-image: linear-gradient(to right, transparent 0%, black 40%);
        mask-image: linear-gradient(to right, transparent 0%, black 40%);
    }

    .partner-carousel-right {
        width: 120px;
        -webkit-mask-image: linear-gradient(to right, black 0%, black 60%, transparent 100%);
        mask-image: linear-gradient(to right, black 0%, black 60%, transparent 100%);
    }

    .partner-logo {
        width: 40px;
        height: 40px;
    }

    .partner-logo.active {
        filter: grayscale(0%);
        opacity: 1;
    }

    .carousel-track {
        gap: 0.75rem;
    }

    .jumbo-logo-main {
        width: 48px;
        height: 48px;
    }

    .compatibility-arrow {
        font-size: 100%;
    }
}

@media (max-width: 480px) {
    .hero-logo {
        max-width: 84px;
    }
}

/* ===========================
   Concepts Section - Flow Layout with Bezier Curves
   =========================== */
.concepts-section h2 {
    margin-bottom: 2rem;
}

.concepts-section p {
    margin-bottom: 2.5rem;
}

/* Desktop: icons left, flow center, packet right */
.concepts-flow {
    display: grid;
    grid-template-columns: 1fr minmax(300px, 500px) 1fr;
    gap: 0 1rem;
    align-items: center;
    min-height: 400px;
    padding: 1rem 0;
    /* Break out of container to full viewport width */
    width: 100vw;
    margin-left: calc(-50vw + 50%);
}

/* Icon list container (left) */
.concepts-icons {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.25rem;
    z-index: 2;
    padding-right: 1rem;
}

/* Individual concept icon button */
.concept-icon {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: transparent;
    border: 2px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    color: var(--color-text-muted);
    font-family: var(--font-main);
    font-size: 0.9rem;
    font-weight: 500;
    text-align: left;
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

/* .concept-icon:hover {
    color: var(--color-text-main);
    background: var(--color-background-alt);
} */

/* .concept-icon.active {
    background: var(--color-background-alt);
    border-color: currentColor;
} */

.concept-icon svg,
.concept-icon .icon-mask {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.concept-icon .icon-mask {
    display: block;
    background-color: currentColor;
    mask-size: contain;
    -webkit-mask-size: contain;
    mask-repeat: no-repeat;
    -webkit-mask-repeat: no-repeat;
    mask-position: center;
    -webkit-mask-position: center;
}

.concept-label {
    white-space: nowrap;
}

/* Concept-specific colors */
.concept-icon[data-concept="goals"]:hover,
.concept-icon[data-concept="goals"].active { color: var(--terracotta); }

.concept-icon[data-concept="project"]:hover,
.concept-icon[data-concept="project"].active { color: var(--jumbo-blue); }

.concept-icon[data-concept="architecture"]:hover,
.concept-icon[data-concept="architecture"].active { color: var(--tangerine-light); }

.concept-icon[data-concept="components"]:hover,
.concept-icon[data-concept="components"].active { color: var(--jumbo-blue); }

.concept-icon[data-concept="dependencies"]:hover,
.concept-icon[data-concept="dependencies"].active { color: var(--marigold); }

.concept-icon[data-concept="decisions"]:hover,
.concept-icon[data-concept="decisions"].active { color: var(--terracotta); }

.concept-icon[data-concept="guidelines"]:hover,
.concept-icon[data-concept="guidelines"].active { color: var(--jumbo-blue-dark); }

.concept-icon[data-concept="invariants"]:hover,
.concept-icon[data-concept="invariants"].active { color: var(--tangerine-dark); }

/* Center flow visualization */
.concepts-flow-center {
    position: relative;
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.flow-curves {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* Hide mobile curves by default, show desktop */
.flow-curves-mobile {
    display: none;
}

.flow-curves-desktop {
    display: block;
}

.flow-path {
    fill: none;
    stroke: var(--jumbo-blue);
    stroke-width: 2;
    stroke-dasharray: 8 6;
    stroke-linecap: round;
    opacity: 0.25;
    transition: opacity 0.3s ease, stroke 0.3s ease;
}

.flow-path.active {
    opacity: 1;
    stroke-width: 2.5;
    animation: flowAnimation 1.5s linear infinite;
}

@keyframes flowAnimation {
    0% {
        stroke-dashoffset: 0;
    }
    100% {
        stroke-dashoffset: -28;
    }
}

/* Path colors matching concept icons */
.flow-path[data-index="0"] { stroke: var(--terracotta); }
.flow-path[data-index="1"] { stroke: var(--jumbo-blue); }
.flow-path[data-index="2"] { stroke: var(--tangerine-light); }
.flow-path[data-index="3"] { stroke: var(--jumbo-blue); }
.flow-path[data-index="4"] { stroke: var(--marigold); }
.flow-path[data-index="5"] { stroke: var(--terracotta); }
.flow-path[data-index="6"] { stroke: var(--jumbo-blue-dark); }
.flow-path[data-index="7"] { stroke: var(--tangerine-dark); }

.flow-logo {
    position: relative;
    z-index: 2;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.flow-logo img {
    width: 72px;
    height: 72px;
}

/* Output area (right) */
.concepts-output {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    z-index: 2;
}

/* Output flow curves - hidden on desktop */
.flow-curves-output {
    display: none;
}

.flow-path-output {
    stroke: var(--jumbo-blue);
    stroke-width: 5;
}

.flow-path-output.active {
    stroke-width: 6;
}

/* Context Packet button */
.context-packet {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    font-family: var(--font-main);
    text-align: center;
    /* transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease; */
}

.context-packet:hover {
    transform: scale(1.05);
}

.packet-icon {
    flex-shrink: 0;
}

.packet-icon svg {
    width: 48px;
    height: 48px;
    color: var(--color-text-muted);
}

.packet-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
    white-space: nowrap;
}

/* Description overlay (above logo) */
.concept-description {
    position: absolute;
    bottom: calc(50% + 60px);
    left: 50%;
    transform: translateX(-50%);
    max-width: 280px;
    padding: 0.75rem 1rem;
    text-align: center;
    background-color: color-mix(in srgb, var(--color-background) 60%, var(--color-background-alt) 30%);
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 3;
    opacity: 0;
}

.concept-description.active {
    opacity: 1;
    pointer-events: auto;
}


.concept-title {
    margin: 0 0 0.25rem 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-main);
}

.concept-text {
    margin: 0;
    font-size: 0.75rem;
    line-height: 1.4;
    color: var(--color-text-main);
}

/* Responsive: Tablet - vertical flow */
@media (max-width: 900px) {
    .concepts-flow {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
        gap: 0;
        min-height: auto;
        padding: 0rem 0rem;
    }

    .concepts-icons {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
        order: 1;
        padding-right: 0;
    }

    .concepts-flow-center {
        order: 2;
        height: 280px;
        padding: 0;
        position: relative;
    }

    /* Hide desktop curves, show mobile curves */
    .flow-curves-desktop {
        display: none;
    }

    .flow-curves-mobile {
        display: block;
        position: absolute;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 90%;
        max-width: 400px;
        height: 240px;
    }

    .concepts-output {
        order: 3;
        justify-content: center;
        flex-direction: column;
        align-items: center;
        gap: 0;
    }

    .flow-curves-output {
        display: block;
        width: 40px;
        height: 60px;
    }

    .concept-icon {
        flex-direction: column;
        padding: 0.5rem;
        gap: 0.25rem;
    }

    .concept-icon svg,
    .concept-icon .icon-mask {
        width: 32px;
        height: 32px;
    }

    .concept-label {
        font-size: 0.7rem;
    }

    .flow-logo {
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 80px;
    }

    .flow-logo img {
        width: 56px;
        height: 56px;
    }

    .concept-description {
        /* Center vertically in the space above the logo (logo is 80px) */
        top: calc(50% - 40px);
        bottom: auto;
        transform: translate(-50%, -50%);
        max-width: 320px;
    }
}

/* Responsive: Mobile */
@media (max-width: 480px) {
    .concepts-flow {
        gap: 0;
    }

    .concept-icon {
        padding: 0.4rem;
    }

    .concept-icon svg,
    .concept-icon .icon-mask {
        width: 24px;
        height: 24px;
    }

    .concept-label {
        font-size: 0.6rem;
    }

    .concepts-flow-center {
        height: 220px;
    }

    .flow-curves-mobile {
        top: 0;
        height: 190px;
    }

    .flow-logo {
        bottom: 0;
        width: 64px;
        height: 64px;
    }

    .flow-logo img {
        width: 44px;
        height: 44px;
    }

    .concept-description {
        /* Center vertically in the space above the logo (logo is 64px) */
        top: calc(50% - 32px);
        max-width: 280px;
        padding: 0.5rem 0.75rem;
    }

    .flow-curves-output {
        height: 50px;
    }

    .context-packet {
        padding: 0.75rem;
    }

    .packet-icon svg {
        width: 36px;
        height: 36px;
    }

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

/* ===========================
   Testimonial Section
   =========================== */
.testimonial-section {
    padding: 4rem 8rem;
}

.testimonial {
    font-style: italic;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    text-align: right;
    color: var(--neutral-500);
}

@media (max-width: 900px) {
    .testimonial-section {
        padding: 3rem 4rem;
    }
}

@media (max-width: 768px) {
    .testimonial-section {
        padding: 2rem 1rem;
    }
}

/* ===========================
   FAQ Section - Collapsible
   =========================== */
.faqs {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faqs h2 {
    margin-bottom: 1rem;
}

.faq-item {
    border-bottom: 1px solid var(--color-muted);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    padding: 1rem 0;
    transition: color 0.2s ease;
}

/* .faq-question:hover {
    color: var(--jumbo-blue);
} */

.faq-question h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 500;
}

.faq-icon {
    flex-shrink: 0;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--color-muted);
    transition: color 0.2s ease, transform 0.2s ease;
}

/* .faq-question:hover .faq-icon {
    color: var(--jumbo-blue);
} */

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding-left: 2.5rem;
}

.faq-answer .body-l {
    max-width: none;
    padding-bottom: 1rem;
}

.faq-answer a {
    color: var(--jumbo-blue);
}

/* Active state */
/* .faq-item.active .faq-icon {
    color: var(--jumbo-blue);
} */

.faq-item.active .faq-icon::before {
    content: '-';
}

.faq-item.active .faq-icon {
    font-size: 1.5rem;
}

/* Hide the + when active by using content replacement */
.faq-icon::before {
    content: '+';
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

@media (max-width: 768px) {
    .faq-question h3 {
        font-size: 0.95rem;
    }

    .faq-answer {
        padding-left: 2rem;
    }
}