/* Hallmark · genre: modern-minimal · macrostructure: Workbench · theme: Teal Terminal & Obsidian · nav: N5 · footer: Ft2 · design-system: design.md */
@import url("./tokens.css");

/* ============================================================
   BASE & RESET
   ============================================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    overflow-x: clip;
}

body {
    background-color: var(--color-paper);
    color: var(--color-ink);
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    overflow-x: clip;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}

/* Subtle architectural grid pattern background */
.bg-grid-pattern {
    background-image: 
        linear-gradient(to right, var(--color-rule-subtle) 1px, transparent 1px),
        linear-gradient(to bottom, var(--color-rule-subtle) 1px, transparent 1px);
    background-size: 48px 48px;
}

/* Typography Hierarchy */
h1, h2, h3, h4, .font-display {
    font-family: var(--font-display);
    font-style: normal;
    letter-spacing: -0.03em;
    color: var(--color-ink);
    line-height: 1.15;
}

code, kbd, samp, pre, .font-mono {
    font-family: var(--font-mono);
}

::selection {
    background: var(--color-accent-subtle);
    color: var(--color-accent);
}

:focus-visible {
    outline: 2px solid var(--color-focus);
    outline-offset: 2px;
}

/* ============================================================
   N5 FLOATING PILL NAVIGATION
   ============================================================ */
.nav-pill-wrapper {
    position: fixed;
    top: 0.75rem;
    left: 0;
    right: 0;
    z-index: 50;
    display: flex;
    justify-content: center;
    padding: 0 1rem;
    pointer-events: none;
}

.nav-pill {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.6rem 0.4rem 0.75rem;
    margin-bottom: 2px; /* extra clearance below the navbar */
    background: var(--color-paper-2);
    border: 1px solid var(--color-rule);
    border-radius: var(--radius-pill);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
    max-width: 100%;
    transition: border-color var(--dur-short) var(--ease-out),
                transform 0.9s var(--ease-out);
}

.nav-pill:hover {
    border-color: var(--color-accent);
}

/* Nav settles into place on load */
@keyframes nav-drop {
    from { opacity: 0; transform: translateY(-16px); }
    to { opacity: 1; transform: none; }
}

.nav-pill-wrapper {
    animation: nav-drop 1.8s var(--ease-out) 0.3s both;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-ink);
    text-decoration: none;
    padding-right: 0.5rem;
    border-right: 1px solid var(--color-rule);
    flex-shrink: 0;
}

.nav-brand-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 10px var(--color-accent);
}

.nav-link-item {
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-ink-muted);
    text-decoration: none;
    padding: 0.4rem 0.65rem;
    border-radius: var(--radius-pill);
    white-space: nowrap;
    transition: color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
}

.nav-link-item:hover,
.nav-link-item.active {
    color: var(--color-ink);
    background: var(--color-paper-3);
}

.nav-btn-action {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    min-height: 2.25rem;
    background: var(--color-accent);
    color: var(--color-accent-ink);
    border-radius: var(--radius-pill);
    text-decoration: none;
    flex-shrink: 0;
    transition: background-color var(--dur-short) var(--ease-out);
}

.nav-btn-action:hover {
    background: var(--color-accent-hover);
}

/* Mobile Nav Drawer — animated dropdown with dimmed backdrop */
.mobile-nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-pill);
    background: var(--color-paper-3);
    color: var(--color-ink);
    border: 1px solid var(--color-rule);
    cursor: pointer;
    flex-shrink: 0;
    transition: border-color var(--dur-short) var(--ease-out),
                color var(--dur-short) var(--ease-out),
                background-color var(--dur-short) var(--ease-out);
}

.mobile-nav-toggle:hover,
.mobile-nav-toggle[aria-expanded="true"] {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* Pure-CSS hamburger: bars morph into an × when the drawer opens
   (no icon-font dependency, smooth per-bar rotation) */
.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 16px;
    height: 16px;
}

.hamburger span {
    display: block;
    height: 2px;
    width: 100%;
    background: currentColor;
    border-radius: 2px;
    transition: transform 0.9s var(--ease-out), opacity 0.6s var(--ease-out);
}

.mobile-nav-toggle[aria-expanded="true"] .hamburger span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.mobile-nav-toggle[aria-expanded="true"] .hamburger span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0.2);
}

.mobile-nav-toggle[aria-expanded="true"] .hamburger span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.mobile-menu-backdrop {
    position: fixed;
    inset: 0;
    z-index: 40;
    background: rgba(4, 12, 16, 0.6);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.9s var(--ease-out), visibility 0.9s;
}

.mobile-menu-backdrop.open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    left: 1rem;
    right: 1rem;
    top: 4.75rem;
    z-index: 45;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    background: var(--color-paper-2);
    border: 1px solid var(--color-rule);
    border-radius: 1rem;
    padding: 1rem;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    max-height: min(72vh, 34rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--color-rule) transparent;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-14px) scale(0.96);
    transform-origin: top center;
    transition: opacity 0.9s var(--ease-out),
                transform 0.9s var(--ease-out),
                visibility 0.9s,
                border-color 1.2s var(--ease-out);
}

.mobile-menu::-webkit-scrollbar {
    width: 6px;
}

.mobile-menu::-webkit-scrollbar-track {
    background: transparent;
}

.mobile-menu::-webkit-scrollbar-thumb {
    background: var(--color-rule);
    border-radius: 3px;
}

.mobile-menu::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent);
}

.mobile-menu.open {
    opacity: 1;
    visibility: visible;
    transform: none;
    border-color: color-mix(in oklch, var(--color-accent) 35%, transparent);
}

.mobile-nav-link {
    display: block;
    padding: 0.7rem 0.85rem;
    border-radius: var(--radius-md);
    border-left: 2px solid transparent;
    color: var(--color-ink-muted);
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    opacity: 0;
    transform: translateY(8px);
    transition: background-color var(--dur-short) var(--ease-out),
                color var(--dur-short) var(--ease-out),
                border-color var(--dur-short) var(--ease-out),
                opacity 1.1s var(--ease-out),
                transform 1.1s var(--ease-out);
}

.mobile-nav-link:hover {
    background: var(--color-paper-3);
    color: var(--color-ink);
}

.mobile-nav-link.active {
    color: var(--color-accent);
    background: var(--color-accent-subtle);
    border-left-color: var(--color-accent);
}

/* Drawer links cascade in one after another when the menu opens.
   Delays map only onto the opacity/transform slots of the transition list so
   hover color changes stay instant; closing resets to the delay-free base. */
.mobile-menu.open .mobile-nav-link {
    opacity: 1;
    transform: none;
}

.mobile-menu.open .mobile-nav-link:nth-child(1) { transition-delay: 0s, 0s, 0s, 0ms, 0ms; }
.mobile-menu.open .mobile-nav-link:nth-child(2) { transition-delay: 0s, 0s, 0s, 100ms, 100ms; }
.mobile-menu.open .mobile-nav-link:nth-child(3) { transition-delay: 0s, 0s, 0s, 200ms, 200ms; }
.mobile-menu.open .mobile-nav-link:nth-child(4) { transition-delay: 0s, 0s, 0s, 300ms, 300ms; }
.mobile-menu.open .mobile-nav-link:nth-child(5) { transition-delay: 0s, 0s, 0s, 400ms, 400ms; }
.mobile-menu.open .mobile-nav-link:nth-child(6) { transition-delay: 0s, 0s, 0s, 500ms, 500ms; }
.mobile-menu.open .mobile-nav-link:nth-child(7) { transition-delay: 0s, 0s, 0s, 600ms, 600ms; }
.mobile-menu.open .mobile-nav-link:nth-child(8) { transition-delay: 0s, 0s, 0s, 700ms, 700ms; }
.mobile-menu.open .mobile-nav-link:nth-child(9) { transition-delay: 0s, 0s, 0s, 800ms, 800ms; }

/* Desktop links fit comfortably from 1024px up; tablets & phones get the drawer.
   !important: Tailwind's `.flex` utility is injected later in the cascade at
   equal specificity and would otherwise keep the link row visible on mobile. */
@media (max-width: 1023px) {
    .nav-links-desktop {
        display: none !important;
    }
    .mobile-nav-toggle {
        display: flex;
    }
    /* Full-width pill (brand left, actions right); contents scroll
       horizontally if they ever overflow instead of being pushed
       off-screen, with the scrollbar kept hidden. */
    .nav-pill {
        width: 100%;
        justify-content: space-between;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .nav-pill::-webkit-scrollbar {
        display: none;
    }

    /* Tucks above the viewport while scrolling down, returns on scroll up */
    .nav-pill.is-tucked {
        transform: translateY(calc(-100% - 1.5rem));
    }
}

/* Tighten link spacing on small laptops so nothing wraps at 1024–1160px
   (!important beats Tailwind's gap-1 utility for the same cascade reason) */
@media (max-width: 1160px) {
    .nav-links-desktop {
        gap: 0 !important;
    }
    .nav-link-item {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
}

/* Very narrow phones (≤420px): compact pill */
@media (max-width: 420px) {
    .nav-pill {
        gap: 0.35rem;
        padding: 0.35rem 0.45rem 0.35rem 0.6rem;
    }
    .nav-brand {
        gap: 0.4rem;
        padding-right: 0.4rem;
    }
}

/* ============================================================
   HERO: WORKBENCH LAYOUT
   ============================================================ */
.hero-workbench-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: start;
}

@media (min-width: 1024px) {
    .hero-workbench-grid {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
    }
}

/* Hero AI Assistant Mini-Chat (scripted demo) */
.hero-chat {
    display: flex;
    flex-direction: column;
    background: var(--color-paper-2);
    border: 1px solid var(--color-rule);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.4);
}

.chat-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--color-paper-3);
    border-bottom: 1px solid var(--color-rule);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
}

.chat-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 8px var(--color-accent);
    animation: beacon-pulse 9s ease-in-out infinite;
}

.chat-title {
    font-weight: 600;
    color: var(--color-ink);
}

.chat-demo-badge {
    margin-left: auto;
    padding: 0.1rem 0.5rem;
    border: 1px solid var(--color-rule);
    border-radius: var(--radius-pill);
    color: var(--color-ink-muted);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.chat-messages {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding: 1rem;
    min-height: 170px;
    max-height: 300px;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: var(--color-rule) transparent;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--color-rule);
    border-radius: 3px;
}

.chat-msg {
    max-width: 85%;
    padding: 0.55rem 0.8rem;
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    line-height: 1.6;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}

.chat-msg.visible {
    opacity: 1;
    transform: none;
}

.chat-msg-bot {
    align-self: flex-start;
    background: var(--color-paper-3);
    border: 1px solid var(--color-rule);
    color: var(--color-ink-muted);
}

.chat-msg-user {
    align-self: flex-end;
    background: var(--color-accent-subtle);
    border: 1px solid color-mix(in oklch, var(--color-accent) 40%, transparent);
    color: var(--color-accent);
}

.chat-typing {
    align-self: flex-start;
    display: inline-flex;
    gap: 4px;
    padding: 0.65rem 0.8rem;
    background: var(--color-paper-3);
    border: 1px solid var(--color-rule);
    border-radius: var(--radius-md);
}

.chat-typing span {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--color-ink-muted);
    animation: typing-dot 2.2s ease-in-out infinite;
}

.chat-typing span:nth-child(2) {
    animation-delay: 0.3s;
}

.chat-typing span:nth-child(3) {
    animation-delay: 0.6s;
}

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

.chat-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.75rem 1rem 1rem;
    border-top: 1px solid var(--color-rule);
    background: var(--color-paper-2);
}

.chat-chip {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--color-rule);
    background: transparent;
    color: var(--color-ink-muted);
    cursor: pointer;
}

.chat-chip:hover:not(:disabled) {
    color: var(--color-accent);
    border-color: var(--color-accent);
    background: var(--color-accent-subtle);
}

.chat-chip:disabled {
    opacity: 0.55;
    cursor: default;
}

/* More-from-GitHub compact project cards */
.more-repo-card {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    background: var(--color-paper-2);
    border: 1px solid var(--color-rule);
    border-radius: var(--radius-md);
    padding: 1.1rem 1.15rem;
    text-decoration: none;
    transition: border-color var(--dur-short) var(--ease-out),
                transform 1.1s var(--ease-out),
                box-shadow 1.1s var(--ease-out);
}

.more-repo-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: 0 16px 32px -22px rgba(0, 0, 0, 0.55);
}

.repo-tag {
    font-family: var(--font-mono);
    font-size: 10px;
    padding: 0.12rem 0.5rem;
    border-radius: var(--radius-pill);
    background: var(--color-paper-3);
    border: 1px solid var(--color-rule);
    color: var(--color-ink-muted);
}

.repo-cta {
    margin-top: auto;
    color: var(--color-accent);
    padding-top: 0.25rem;
}

.more-repo-card:hover .repo-cta {
    text-decoration: underline;
}

/* ============================================================
   TECHNICAL SURFACES & CARDS
   ============================================================ */
.tech-card {
    background: var(--color-paper-2);
    border: 1px solid var(--color-rule);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: border-color var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out);
}

.tech-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.tech-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    background: var(--color-paper-3);
    color: var(--color-ink-muted);
    border: 1px solid var(--color-rule);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
}

.tech-pill-accent {
    background: var(--color-accent-subtle);
    color: var(--color-accent);
    border-color: var(--color-accent);
    font-weight: 600;
}

/* Technical Achievement Bullet */
.arch-bullet {
    position: relative;
    padding-left: 1.25rem;
    font-size: 0.85rem;
    line-height: 1.55;
    color: var(--color-ink-muted);
}

.arch-bullet::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--color-accent);
}

/* ============================================================
   BUTTONS & CTAS
   ============================================================ */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--color-accent);
    color: var(--color-accent-ink);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    padding: 0.75rem 1.4rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-accent);
    text-decoration: none;
    cursor: pointer;
    transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out);
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
}

.btn-terminal {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--color-paper-2);
    color: var(--color-ink);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    padding: 0.75rem 1.4rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-rule);
    text-decoration: none;
    cursor: pointer;
    transition: border-color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
}

.btn-terminal:hover {
    border-color: var(--color-accent);
    background: var(--color-paper-3);
}

/* ============================================================
   API ENDPOINTS SPECIFICATION COMPONENT
   ============================================================ */
.api-spec-row {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--color-paper-2);
    border: 1px solid var(--color-rule);
    border-radius: var(--radius-md);
    margin-bottom: 0.75rem;
    transition: border-color var(--dur-short) var(--ease-out);
}

@media (min-width: 640px) {
    .api-spec-row {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.api-spec-row:hover {
    border-color: var(--color-accent);
}

.method-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3.8rem;
    padding: 0.2rem 0;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.method-post {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.method-get {
    background: rgba(14, 165, 233, 0.15);
    color: #0ea5e9;
    border: 1px solid rgba(14, 165, 233, 0.3);
}

/* ============================================================
   FT2 STATEMENT COLOPHON FOOTER
   ============================================================ */
.footer-colophon {
    border-top: 1px solid var(--color-rule);
    padding: 3.5rem 0 2.5rem;
    background: var(--color-paper);
    font-size: var(--text-xs);
    color: var(--color-ink-muted);
}

.footer-status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-ink);
}

.status-beacon {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 8px #10b981;
}

/* ============================================================
   BTN-GHOST (alias for btn-terminal, used in skills + products)
   ============================================================ */
.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: transparent;
    color: var(--color-ink-muted);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    padding: 0.75rem 1.4rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-rule);
    text-decoration: none;
    cursor: pointer;
    transition: border-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
}
.btn-ghost:hover {
    border-color: var(--color-accent);
    color: var(--color-ink);
    background: var(--color-paper-3);
}

/* ============================================================
   PRODUCTS — FULL-WIDTH ROW LAYOUT (1 per row)
   ============================================================ */
.product-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2.5rem 0;
}

@media (min-width: 900px) {
    .product-row {
        grid-template-columns: 1fr 320px;
        gap: 3rem;
        align-items: start;
    }
}

.product-number {
    font-family: var(--font-mono);
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-rule);
    line-height: 1;
    letter-spacing: -0.04em;
    user-select: none;
}

/* Project Divider */
.project-divider {
    border: none;
    border-top: 1px solid var(--color-rule);
    margin: 0;
}

/* Marquee Strip between projects */
.marquee-strip {
    overflow: hidden;
    padding: 0.75rem 0;
    border-top: 1px solid var(--color-rule-subtle);
    border-bottom: 1px solid var(--color-rule-subtle);
    background: var(--color-paper-2);
    position: relative;
}

.marquee-track {
    display: flex;
    gap: 0.75rem;
    width: max-content;
    animation: marqueeScroll 104s linear infinite;
}

.marquee-track:hover {
    animation-play-state: paused;
}

@keyframes marqueeScroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

/* ============================================================
   API METHOD BADGES — extended
   ============================================================ */
.method-put {
    background: rgba(251, 191, 36, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.method-delete {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ============================================================
   EDUCATION TIMELINE
   ============================================================ */
.timeline-container {
    position: relative;
    padding-left: 2.5rem;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 0.75rem;
    top: 0.75rem;
    bottom: 0.75rem;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-accent), var(--color-rule));
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 2.5rem;
}

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

.timeline-dot {
    position: absolute;
    left: -2.05rem;
    top: 1.1rem;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: var(--color-accent);
    border: 3px solid var(--color-paper);
    box-shadow: 0 0 0 2px var(--color-accent);
    z-index: 1;
}

.timeline-dot-dim {
    background: var(--color-ink-subtle);
    box-shadow: 0 0 0 2px var(--color-ink-subtle);
}

.timeline-year {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
}

.timeline-year-dim {
    color: var(--color-ink-muted);
}

/* ============================================================
   CERTIFICATE FRAMES
   ============================================================ */
.cert-frame {
    position: relative;
    background: var(--color-paper-2);
    border: 2px solid var(--color-rule);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem 1.5rem;
    transition: border-color var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out);
    overflow: hidden;
}

.cert-frame::before,
.cert-frame::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    border-color: var(--color-accent);
    border-style: solid;
    opacity: 0.5;
}

.cert-frame::before {
    top: 8px;
    left: 8px;
    border-width: 2px 0 0 2px;
    border-radius: 4px 0 0 0;
}

.cert-frame::after {
    bottom: 8px;
    right: 8px;
    border-width: 0 2px 2px 0;
    border-radius: 0 0 4px 0;
}

.cert-frame:hover {
    border-color: var(--color-accent);
    transform: translateY(-3px);
}

.cert-frame:hover::before,
.cert-frame:hover::after {
    opacity: 1;
}

.cert-inner-corners::before,
.cert-inner-corners::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    border-color: var(--color-accent);
    border-style: solid;
    opacity: 0;
    transition: opacity var(--dur-short) var(--ease-out);
}

.cert-frame:hover .cert-inner-corners::before {
    top: 8px;
    right: 8px;
    border-width: 2px 2px 0 0;
    border-radius: 0 4px 0 0;
    opacity: 1;
}

.cert-frame:hover .cert-inner-corners::after {
    bottom: 8px;
    left: 8px;
    border-width: 0 0 2px 2px;
    border-radius: 0 0 0 4px;
    opacity: 1;
}

.cert-icon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-md);
    background: var(--color-accent-subtle);
    border: 1px solid var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.cert-title {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--color-ink);
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.cert-issuer {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-ink-muted);
    margin-bottom: 1rem;
}

.cert-date-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    background: var(--color-paper-3);
    color: var(--color-ink-muted);
    border: 1px solid var(--color-rule);
}

/* ============================================================
   SKILLS INLINE — section heading & grid reuse
   ============================================================ */
.skills-section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-mono);
    font-size: 0.69rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    border: 1px solid color-mix(in oklch, var(--color-accent) 30%, transparent);
    background: color-mix(in oklch, var(--color-accent) 8%, transparent);
    border-radius: var(--radius-pill);
    padding: 0.3rem 0.75rem;
    margin-bottom: 1rem;
}

/* ============================================================
   EDUCATION & CERT NAV SECTION NUMBERS UPDATE
   ============================================================ */
.section-index-label {
    font-family: var(--font-mono);
    font-size: 0.69rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

/* ============================================================
   FAQ — ANSWER LINKS (internal anchors for crawl + UX)
   ============================================================ */
#faq p a {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: color-mix(in oklch, var(--color-accent) 45%, transparent);
    transition: color var(--dur-short) var(--ease-out),
                text-decoration-color var(--dur-short) var(--ease-out);
}
#faq p a:hover {
    color: var(--color-accent-hover);
    text-decoration-color: currentColor;
}

/* ============================================================
   AESTHETIC MOTION LAYER — hover micro-interactions + scroll reveals
   ============================================================ */

/* --- Motion cadence: slower, calmer timing (theme tokens in tokens.css untouched) --- */
:root {
    --dur-short: 680ms;
    --dur-base: 920ms;
}

/* Half-speed badge pulse: Tailwind CDN defines .animate-pulse at 2s and injects
   after this file at equal specificity — duration override needs !important. */
.animate-pulse {
    animation-duration: 4s !important;
}

/* --- Molecule background canvas (js/molecules.js) --- */
#moleculeCanvas {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
}
@media (prefers-reduced-motion: reduce) {
    #moleculeCanvas {
        display: none;
    }
}

/* --- Hero load-in: staggered fade-up on first paint --- */
@keyframes rv-up {
    from { opacity: 0; transform: translateY(26px); }
    to { opacity: 1; transform: none; }
}

#home .hero-workbench-grid > div:first-child > * {
    animation: rv-up 2.7s var(--ease-out) both;
}
#home .hero-workbench-grid > div:first-child > *:nth-child(1) { animation-delay: 0.2s; }
#home .hero-workbench-grid > div:first-child > *:nth-child(2) { animation-delay: 0.76s; }
#home .hero-workbench-grid > div:first-child > *:nth-child(3) { animation-delay: 1.32s; }
#home .hero-workbench-grid > div:first-child > *:nth-child(4) { animation-delay: 1.88s; }
#home .hero-workbench-grid > div:first-child > *:nth-child(5) { animation-delay: 2.44s; }
#home .hero-chat { animation: rv-up 3s var(--ease-out) 1.6s both; }

/* --- Scroll reveal (classes applied by js/script.js) ---
   Item-level units (cards, rows, timeline entries, text blocks) fade up
   slowly; elements entering together cascade via JS-set delay. --- */
.rv {
    opacity: 0;
    transform: translateY(26px);
}
.rv.rv-in {
    opacity: 1;
    transform: none;
    transition: opacity 2.7s var(--ease-out), transform 2.7s var(--ease-out);
}

/* --- Buttons: lift + glow --- */
.btn-primary,
.btn-terminal,
.btn-ghost,
.nav-btn-action {
    transition: background-color var(--dur-short) var(--ease-out),
                border-color var(--dur-short) var(--ease-out),
                color var(--dur-short) var(--ease-out),
                transform 1.2s var(--ease-out),
                box-shadow 1.2s var(--ease-out);
}
.btn-primary:hover,
.btn-terminal:hover,
.btn-ghost:hover {
    transform: translateY(-2px);
}
.btn-primary:hover {
    box-shadow: 0 14px 28px -14px rgba(13, 148, 136, 0.65);
}
.btn-terminal:hover,
.btn-ghost:hover {
    box-shadow: 0 14px 28px -16px rgba(0, 0, 0, 0.55);
}
.nav-btn-action:hover {
    transform: translateY(-1px);
}
.btn-primary:active,
.btn-terminal:active,
.btn-ghost:active,
.chat-chip:active {
    transform: translateY(0) scale(0.98);
}

/* --- Sheen sweep across primary buttons --- */
.btn-primary {
    position: relative;
    overflow: hidden;
}
.btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, transparent 32%, rgba(255, 255, 255, 0.3) 50%, transparent 68%);
    transform: translateX(-130%);
    pointer-events: none;
}
.btn-primary:hover::after {
    transform: translateX(130%);
    transition: transform 3s var(--ease-out);
}

/* --- Cards: slow lift + soft teal glow on hover --- */
.tech-card {
    transition: border-color var(--dur-short) var(--ease-out),
                transform 1.2s var(--ease-out),
                box-shadow 1.4s var(--ease-out);
}
.tech-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 36px -22px rgba(13, 148, 136, 0.55);
}

/* --- Certificate frames: matching slow lift --- */
.cert-frame {
    transition: border-color var(--dur-short) var(--ease-out),
                transform 1.2s var(--ease-out);
}

/* --- Nav links & chat chips: micro-lift --- */
.nav-link-item {
    transition: color var(--dur-short) var(--ease-out),
                background-color var(--dur-short) var(--ease-out),
                transform 1.1s var(--ease-out);
}
.nav-link-item:hover {
    transform: translateY(-1px);
}
.chat-chip {
    transition: color var(--dur-short) var(--ease-out),
                background-color var(--dur-short) var(--ease-out),
                border-color var(--dur-short) var(--ease-out),
                transform 1.1s var(--ease-out);
}
.chat-chip:hover:not(:disabled) {
    transform: translateY(-1px);
}

/* --- Workflow rows: lift + shadow --- */
.api-spec-row {
    transition: border-color var(--dur-short) var(--ease-out),
                transform 1.2s var(--ease-out),
                box-shadow 1.2s var(--ease-out);
}
.api-spec-row:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px -20px rgba(0, 0, 0, 0.6);
}

/* --- Reduced motion: keep everything still --- */
@media (prefers-reduced-motion: reduce) {
    #home .hero-workbench-grid * {
        animation: none !important;
    }
    .rv,
    .rv.rv-in {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
    .btn-primary:hover, .btn-terminal:hover, .btn-ghost:hover,
    .nav-btn-action:hover, .chat-chip:hover,
    .nav-link-item:hover,
    .tech-card:hover, .api-spec-row:hover, .cert-frame:hover,
    .more-repo-card:hover {
        transform: none !important;
    }
    .marquee-track {
        animation: none !important;
    }
    .mobile-menu,
    .mobile-menu-backdrop,
    .mobile-menu .mobile-nav-link,
    .nav-pill-wrapper,
    .nav-pill,
    .hero-chat .chat-msg {
        transition: none !important;
        animation: none !important;
    }
}

/* ============================================================
   CONTACT — PROFILE IDENTITY CARD
   ============================================================ */
.contact-photo-frame {
    flex-shrink: 0;
    width: 96px;
    height: 128px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-rule);
    background: var(--color-paper-3);
    position: relative;
}

.contact-photo-frame img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: transform 2.4s var(--ease-out);
}

.contact-photo-frame::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--color-accent) 25%, transparent);
    pointer-events: none;
}

.contact-photo-frame:hover img {
    transform: scale(1.05);
}

.contact-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.04em;
    color: var(--color-accent);
    border: 1px solid color-mix(in oklch, var(--color-accent) 30%, transparent);
    background: color-mix(in oklch, var(--color-accent) 8%, transparent);
    border-radius: var(--radius-pill);
    padding: 0.3rem 0.7rem;
}

.contact-status-pill .status-beacon {
    animation: beacon-pulse 9s ease-in-out infinite;
}

@keyframes beacon-pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 8px #10b981; }
    50% { opacity: 0.55; box-shadow: 0 0 3px #10b981; }
}

/* Contact link rows: accent-border lift on hover */
.contact-link-row {
    transition: border-color var(--dur-short) var(--ease-out),
                transform 1.2s var(--ease-out),
                box-shadow 1.2s var(--ease-out);
}

.contact-link-row:hover {
    border-color: color-mix(in oklch, var(--color-accent) 45%, transparent);
    transform: translateY(-2px);
    box-shadow: 0 10px 22px -16px rgba(13, 148, 136, 0.5);
}

@media (prefers-reduced-motion: reduce) {
    .contact-photo-frame:hover img,
    .contact-link-row:hover {
        transform: none !important;
    }
    .contact-status-pill .status-beacon {
        animation: none !important;
    }
}


/* ============================================================
   SECTION 0 — SERVICES & ENGAGEMENT (client conversion layer)
   ============================================================ */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.25rem;
}

.service-card {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.service-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--color-accent-subtle);
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    flex-shrink: 0;
}

.service-index {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-ink-muted);
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--color-ink);
}

.service-desc {
    font-family: var(--font-body);
    font-size: 0.78rem;
    line-height: 1.6;
    color: var(--color-ink-muted);
}

.service-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--color-ink);
}

.service-list li {
    position: relative;
    padding-left: 1.05rem;
}

.service-list li::before {
    content: ">";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

.service-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: auto;
}

.service-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
    border-top: 1px dashed var(--color-rule);
    padding-top: 0.75rem;
}

.service-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
    transition: color var(--dur-short) var(--ease-out);
}

.service-cta .iconify {
    transition: transform var(--dur-short) var(--ease-out);
}

.service-cta:hover .iconify {
    transform: translateX(4px);
}

.service-proof {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--color-ink-muted);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color var(--dur-short) var(--ease-out);
}

.service-proof:hover {
    color: var(--color-accent);
}

/* --- Trust line (no fabricated pricing — model only) --- */
.assurance-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.75rem;
    margin-top: 1.75rem;
    padding: 0.9rem 1.15rem;
    background: var(--color-paper-2);
    border: 1px solid var(--color-rule);
    border-radius: 10px;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--color-ink);
}

.assurance-row span {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.assurance-row .iconify {
    color: var(--color-accent);
    flex-shrink: 0;
}

/* --- Process strip: Scope -> Build -> Ship -> Support --- */
.process-block {
    margin-top: 2.5rem;
}

.process-strip {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.process-step {
    position: relative;
    padding: 1.1rem 1.05rem;
    background: var(--color-paper-2);
    border: 1px solid var(--color-rule);
    border-left: 2px solid var(--color-accent);
    border-radius: 10px;
}

.process-num {
    display: block;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-accent);
}

.process-step h4 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-ink);
    margin: 0.4rem 0 0.35rem;
}

.process-step p {
    font-family: var(--font-body);
    font-size: 0.74rem;
    line-height: 1.55;
    color: var(--color-ink-muted);
}

@media (max-width: 1024px) {
    .process-strip {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 560px) {
    .process-strip {
        grid-template-columns: 1fr;
    }
}

/* --- Contact form: CTA preselect flash + dark select options --- */
#contactService.service-preselected {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

#contactService option {
    background: var(--color-paper-3);
    color: var(--color-ink);
}