/* ==========================================================================
   Ryan Rinkel - portfolio + resume
   One stylesheet, two pages. No build step.
   ========================================================================== */

:root {
    /* Surfaces */
    --bg:          #0e0e12;
    --bg-soft:     #14141a;
    --card:        #16161d;
    --card-hover:  #1c1c25;
    --border:      #262630;
    --border-lit:  #383845;

    /* Ink */
    --text:        #e9e7e4;
    --muted:       #a5a3ae;
    --dim:         #6f6d79;

    /* Accent - the Claude terracotta, carried over from Claudot */
    --accent:      #e07a5f;
    --accent-lit:  #f0947c;
    --accent-wash: rgba(224, 122, 95, 0.12);
    --blue:        #6ea8d8;
    --blue-wash:   rgba(110, 168, 216, 0.12);

    /* Type */
    --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

    /* Metrics */
    --wide:   1080px;
    --narrow: 760px;
    --radius: 10px;
    --radius-lg: 14px;
    --ease: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 88px;
    -webkit-text-size-adjust: 100%;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a { color: inherit; }

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

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 3px;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--accent);
    color: #1a0f0b;
    padding: 0.7rem 1.2rem;
    font-weight: 600;
    z-index: 100;
}
.skip-link:focus { left: 0; }

/* --- Layout primitives --------------------------------------------------- */

.wrap  { max-width: var(--wide);   margin: 0 auto; padding: 0 1.75rem; }
.wrap-narrow { max-width: var(--narrow); margin: 0 auto; padding: 0 1.75rem; }

section { padding: 5rem 0; }
section + section { padding-top: 0; }

.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--dim);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.9rem;
}
.eyebrow::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* --- Nav ----------------------------------------------------------------- */

.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(14, 14, 18, 0.82);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}
.nav-inner {
    max-width: var(--wide);
    margin: 0 auto;
    padding: 0 1.75rem;
    height: 62px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.nav-name {
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: -0.01em;
    text-decoration: none;
    white-space: nowrap;
}
.nav-name .dot { color: var(--accent); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.6rem;
    font-size: 0.875rem;
}
.nav-links a {
    color: var(--muted);
    text-decoration: none;
    transition: color var(--ease);
    white-space: nowrap;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.cta {
    color: var(--accent);
    border: 1px solid rgba(224, 122, 95, 0.4);
    padding: 0.35rem 0.9rem;
    border-radius: 6px;
}
.nav-links a.cta:hover {
    color: var(--accent-lit);
    border-color: var(--accent);
    background: var(--accent-wash);
}

/* --- Hero ---------------------------------------------------------------- */

.hero { padding: 6.5rem 0 4.5rem; }

.hero-role {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.4rem;
}

.hero h1 {
    font-size: clamp(2.6rem, 7vw, 4.2rem);
    line-height: 1.04;
    letter-spacing: -0.035em;
    font-weight: 650;
    margin-bottom: 1.6rem;
}

.hero-lede {
    font-size: clamp(1.05rem, 2.2vw, 1.22rem);
    line-height: 1.6;
    color: var(--muted);
    max-width: 44ch;
    margin-bottom: 1.1rem;
}
.hero-lede strong { color: var(--text); font-weight: 550; }

.hero-sub {
    font-size: 1rem;
    color: var(--dim);
    max-width: 54ch;
    margin-bottom: 2.4rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    align-items: center;
}

/* --- Buttons ------------------------------------------------------------- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    padding: 0.7rem 1.35rem;
    border-radius: 8px;
    border: 1px solid transparent;
    transition: background var(--ease), border-color var(--ease), color var(--ease), transform var(--ease);
}
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.btn-primary {
    background: var(--accent);
    color: #1a0f0b;
    font-weight: 600;
}
.btn-primary:hover { background: var(--accent-lit); transform: translateY(-1px); }

.btn-ghost {
    border-color: var(--border-lit);
    color: var(--text);
}
.btn-ghost:hover { border-color: var(--muted); background: var(--bg-soft); }

/* --- Featured project ---------------------------------------------------- */

.featured {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background:
        radial-gradient(120% 140% at 0% 0%, rgba(224, 122, 95, 0.07) 0%, transparent 55%),
        var(--card);
    padding: 2.5rem;
}

.featured-head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.5rem 1rem;
    margin-bottom: 0.5rem;
}
.featured h3 {
    font-size: clamp(1.6rem, 3.5vw, 2rem);
    letter-spacing: -0.025em;
    font-weight: 650;
    line-height: 1.15;
}
.featured-tag {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-wash);
    border: 1px solid rgba(224, 122, 95, 0.3);
    padding: 0.22rem 0.6rem;
    border-radius: 999px;
    white-space: nowrap;
}

.featured-meta {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--dim);
    margin-bottom: 1.4rem;
}

.featured-lede {
    font-size: 1.08rem;
    color: var(--muted);
    max-width: 62ch;
    margin-bottom: 1.8rem;
}

.featured-points {
    list-style: none;
    display: grid;
    gap: 0.9rem;
    margin-bottom: 2rem;
}
.featured-points li {
    position: relative;
    padding-left: 1.5rem;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 74ch;
}
.featured-points li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.62em;
    width: 7px;
    height: 7px;
    border-radius: 2px;
    background: var(--accent);
    opacity: 0.75;
}
.featured-points strong { color: var(--text); font-weight: 550; }

/* --- Tech tags ----------------------------------------------------------- */

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.8rem;
    list-style: none;
}
.tags li {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--dim);
    border: 1px solid var(--border);
    background: var(--bg-soft);
    padding: 0.2rem 0.6rem;
    border-radius: 5px;
}

/* --- Project links ------------------------------------------------------- */

.proj-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.4rem;
    align-items: center;
    font-size: 0.88rem;
}
.proj-links a {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid transparent;
    transition: border-color var(--ease), color var(--ease);
}
.proj-links a:hover { color: var(--accent-lit); border-bottom-color: currentColor; }
.proj-links svg { width: 15px; height: 15px; }

.stars {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--dim);
}
.stars svg { width: 14px; height: 14px; }

/* --- Project grid -------------------------------------------------------- */

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
    gap: 1.25rem;
}

.card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--card);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    transition: border-color var(--ease), background var(--ease), transform var(--ease);
}
.card:hover {
    border-color: var(--border-lit);
    background: var(--card-hover);
    transform: translateY(-2px);
}

.card-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.35rem;
}
.card h3 {
    font-size: 1.22rem;
    letter-spacing: -0.02em;
    font-weight: 620;
    line-height: 1.25;
}

.badge {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    white-space: nowrap;
    flex-shrink: 0;
}
.badge-wip {
    color: var(--blue);
    background: var(--blue-wash);
    border: 1px solid rgba(110, 168, 216, 0.3);
}
.badge-private {
    color: var(--dim);
    background: var(--bg-soft);
    border: 1px solid var(--border);
}

.card-meta {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--dim);
    margin-bottom: 1rem;
}

.card p {
    color: var(--muted);
    font-size: 0.93rem;
    line-height: 1.62;
    margin-bottom: 1rem;
}
.card p strong { color: var(--text); font-weight: 550; }

.card .tags { margin-bottom: 1.25rem; }
.card .proj-links { margin-top: auto; }

.card-note {
    font-size: 0.82rem;
    color: var(--dim);
    font-style: italic;
    margin-top: auto;
}

/* --- About --------------------------------------------------------------- */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}
.about-grid p {
    color: var(--muted);
    margin-bottom: 1.1rem;
    font-size: 0.98rem;
}
.about-grid p strong { color: var(--text); font-weight: 550; }

.track {
    list-style: none;
    display: grid;
    gap: 1.4rem;
}
.track li {
    display: grid;
    grid-template-columns: 5.5rem 1fr;
    gap: 1rem;
    align-items: baseline;
}
.track .yr {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--dim);
    white-space: nowrap;
}
.track .what { font-size: 0.93rem; }
.track .what b { display: block; font-weight: 600; color: var(--text); }
.track .what span { color: var(--dim); font-size: 0.86rem; }

/* --- Contact / footer ---------------------------------------------------- */

.contact {
    border-top: 1px solid var(--border);
    margin-top: 5rem;
    padding: 4rem 0 3rem;
}
.contact h2 {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
    font-weight: 650;
}
.contact p {
    color: var(--muted);
    max-width: 50ch;
    margin-bottom: 2rem;
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 2rem;
    font-size: 0.92rem;
    margin-bottom: 3rem;
}
.contact-links a {
    color: var(--muted);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: color var(--ease);
}
.contact-links a:hover { color: var(--accent); }
.contact-links svg { width: 16px; height: 16px; }

.colophon {
    font-family: var(--font-mono);
    font-size: 0.73rem;
    color: var(--dim);
    border-top: 1px solid var(--border);
    padding-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.5rem 1rem;
}
.colophon a { color: var(--dim); }
.colophon a:hover { color: var(--muted); }

/* --- Responsive ---------------------------------------------------------- */

@media (max-width: 760px) {
    section { padding: 3.5rem 0; }
    .hero { padding: 4rem 0 3rem; }
    .featured { padding: 1.75rem 1.4rem; }
    .card { padding: 1.4rem; }
    .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .nav-links { gap: 1.1rem; font-size: 0.82rem; }
    .nav-links a.hide-sm { display: none; }
    .wrap, .wrap-narrow, .nav-inner { padding: 0 1.25rem; }
    .track li { grid-template-columns: 4.5rem 1fr; gap: 0.75rem; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}