/* ============================================================
   PsyConsulting — research-studio aesthetic
   Cool paper · ink · vermilion · Fraunces / IBM Plex
   ============================================================ */

:root {
    --ink:        #14161f;
    --ink-2:      #474d5b;
    --paper:      #f3f4f7;
    --white:      #ffffff;
    --accent:     #0b9fe1;
    --accent-deep:#0a82bd;
    --line:       #e1e3ea;
    --line-soft:  #ebedf1;
    --muted:      #757b88;

    --dark:       #14161f;
    --dark-2:     #1c1f2a;
    --dark-line:  #2c303d;
    --on-dark:    #eef0f4;
    --on-dark-mut:#9aa0ad;

    --maxw: 1180px;
    --gutter: 2rem;

    --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
    --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'IBM Plex Mono', ui-monospace, 'Courier New', monospace;
}

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

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

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.65;
    color: var(--ink);
    background-color: var(--paper);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* measured-grid texture, very faint — the "lab notebook" surface */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image:
        linear-gradient(to right, rgba(20,22,31,0.035) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(20,22,31,0.035) 1px, transparent 1px);
    background-size: 56px 56px;
}

main, header, footer { position: relative; z-index: 1; }

a { color: var(--accent); text-decoration: none; }

img { max-width: 100%; display: block; }

.wrap {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding-left: var(--gutter);
    padding-right: var(--gutter);
}

/* ---------- Typography ---------- */

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 540;
    font-optical-sizing: auto;
    line-height: 1.04;
    letter-spacing: -0.018em;
    color: var(--ink);
    margin: 0;
}

h1 { font-size: clamp(2.7rem, 6.2vw, 4.7rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.32rem; letter-spacing: -0.01em; font-weight: 560; }

p { margin: 0 0 1.1rem; }

.lede { font-size: clamp(1.12rem, 1.6vw, 1.3rem); color: var(--ink-2); line-height: 1.6; }

.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
    margin: 0 0 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.7rem;
}
.eyebrow::before {
    content: "";
    width: 26px;
    height: 1px;
    background: var(--accent);
    display: inline-block;
}
.eyebrow.center { justify-content: center; }

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

.btn {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.95rem 1.7rem;
    background: var(--accent);
    color: var(--white);
    border: 1px solid var(--accent);
    border-radius: 2px;
    cursor: pointer;
    transition: background 0.18s ease, transform 0.18s ease, border-color 0.18s ease;
}
.btn:hover { background: var(--accent-deep); border-color: var(--accent-deep); transform: translateY(-2px); }

.btn-ghost {
    background: transparent;
    color: var(--ink);
    border: 1px solid var(--line);
}
.btn-ghost:hover { background: transparent; border-color: var(--ink); color: var(--ink); transform: translateY(-2px); }

.btn-on-dark {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}

/* ---------- Header ---------- */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(243,244,247,0.82);
    backdrop-filter: saturate(150%) blur(10px);
    border-bottom: 1px solid var(--line);
}
.site-header .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}
.brand {
    font-family: var(--font-display);
    font-weight: 560;
    font-size: 1.32rem;
    letter-spacing: -0.02em;
    color: var(--ink);
    white-space: nowrap;
}
.brand .dot { color: var(--accent); }

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}
.nav a {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-2);
    transition: color 0.16s;
}
.nav a:hover { color: var(--accent); }
.nav .btn { padding: 0.6rem 1.1rem; }

/* header CTA: full label on desktop, short label on phones */
.btn-short { display: none; }

@media (max-width: 760px) {
    .nav a.navlink { display: none; }
}
@media (max-width: 600px) {
    .nav .btn { padding: 0.55rem 0.9rem; font-size: 0.72rem; }
    .btn-full { display: none; }
    .btn-short { display: inline; }
    .brand { font-size: 1.16rem; }
    .site-header .wrap { height: 62px; }
}

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

.hero { padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(3rem, 7vw, 5.5rem); }
.hero-grid {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 3.5rem;
    align-items: center;
}
.hero h1 { margin-bottom: 1.6rem; }
.hero h1 .em { font-style: italic; color: var(--accent); }
.hero .lede { max-width: 33ch; }
.hero-cta {
    display: flex;
    gap: 0.9rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}
.hero-note {
    font-family: var(--font-mono);
    font-size: 0.86rem;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: var(--ink-2);
    margin-top: 2.2rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.hero-note .pulse {
    width: 8px; height: 8px; border-radius: 50%;
    flex-shrink: 0;
    background: var(--accent);
    box-shadow: 0 0 0 0 rgba(11,159,225,0.5);
    animation: pulse 2.4s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(11,159,225,0.45); }
    70% { box-shadow: 0 0 0 9px rgba(11,159,225,0); }
    100% { box-shadow: 0 0 0 0 rgba(11,159,225,0); }
}

.hero-visual { width: 100%; height: auto; }

@media (max-width: 860px) {
    .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .hero-visual { max-width: 360px; margin: 0 auto; order: -1; }
    .hero .lede { max-width: none; }
}

/* staggered entrance */
.reveal { opacity: 0; transform: translateY(16px); animation: rise 0.7s cubic-bezier(0.2,0.7,0.2,1) forwards; }
.d1 { animation-delay: 0.05s; } .d2 { animation-delay: 0.16s; }
.d3 { animation-delay: 0.27s; } .d4 { animation-delay: 0.38s; }
@keyframes rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
    .reveal { animation: none; opacity: 1; transform: none; }
    .hero-note .pulse { animation: none; }
}

/* ---------- Section scaffolding ---------- */

.section { padding: clamp(3.5rem, 7vw, 6rem) 0; }
.section-head { max-width: 760px; margin-bottom: 3rem; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .lede { margin-top: 1rem; }

.rule-band { border-top: 1px solid var(--line); }

/* ---------- Focus cards ---------- */

.focus-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: 4px;
    overflow: hidden;
}
.focus-card {
    background: var(--white);
    padding: 2.1rem 2rem 2.3rem;
    transition: background 0.2s;
}
.focus-card:hover { background: #fcfcfd; }
.focus-num {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent);
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 1rem;
}
.focus-card h3 { margin-bottom: 0.7rem; }
.focus-card p { margin: 0; color: var(--ink-2); font-size: 0.98rem; line-height: 1.6; }

@media (max-width: 700px) { .focus-grid { grid-template-columns: 1fr; } }

/* ---------- Dark statement band ---------- */

.band {
    background: var(--dark);
    color: var(--on-dark);
    position: relative;
    overflow: hidden;
}
.band::before {
    content: "";
    position: absolute; inset: 0;
    background-image:
        linear-gradient(to right, rgba(255,255,255,0.035) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,0.035) 1px, transparent 1px);
    background-size: 56px 56px;
    pointer-events: none;
}
.band .wrap { position: relative; z-index: 1; }
.band h2 { color: var(--on-dark); }
.band .eyebrow { color: var(--accent); }
.band .statement {
    font-family: var(--font-display);
    font-weight: 440;
    font-size: clamp(1.7rem, 3.2vw, 2.6rem);
    line-height: 1.22;
    letter-spacing: -0.015em;
    max-width: 22ch;
    margin: 0 0 2.8rem;
}
.band .statement .em { font-style: italic; color: var(--accent); }

.principles {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    border-top: 1px solid var(--dark-line);
    padding-top: 2.4rem;
}
.principle .k {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.6rem;
}
.principle h3 { color: var(--on-dark); font-size: 1.1rem; margin-bottom: 0.4rem; }
.principle p { color: var(--on-dark-mut); font-size: 0.92rem; margin: 0; line-height: 1.55; }
@media (max-width: 760px) { .principles { grid-template-columns: 1fr; gap: 1.6rem; } }

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

.about-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 3.5rem;
    align-items: start;
}
.about-card {
    border: 1px solid var(--line);
    background: var(--white);
    border-radius: 4px;
    padding: 2rem;
}
.about-card .name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 560;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}
.about-card .creds {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--muted);
    line-height: 1.7;
    margin: 0;
}
.about-card .creds span { color: var(--accent); }
.about-body p { color: var(--ink-2); }
.about-body p:last-child { margin-bottom: 0; }
@media (max-width: 800px) { .about-grid { grid-template-columns: 1fr; gap: 2rem; } }

/* ---------- Work / forthcoming ---------- */

.work-placeholder {
    border: 1px dashed var(--line);
    border-radius: 4px;
    background: var(--white);
    padding: clamp(2.5rem, 5vw, 4rem);
    text-align: center;
}
.work-placeholder .tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.2rem;
}
.work-placeholder h3 { font-size: 1.7rem; margin-bottom: 0.8rem; }
.work-placeholder p { color: var(--ink-2); max-width: 50ch; margin: 0 auto 0.5rem; }

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: start;
}
.contact-form .field { margin-bottom: 1.2rem; }
.contact-form label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-2);
    margin-bottom: 0.45rem;
}
.contact-form input,
.contact-form textarea {
    width: 100%;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--ink);
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 3px;
    padding: 0.8rem 0.9rem;
    transition: border-color 0.16s, box-shadow 0.16s;
}
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(11,159,225,0.12);
}
.contact-form textarea { resize: vertical; min-height: 120px; }
.contact-aside .lede { color: var(--ink-2); }
.contact-aside .direct {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    margin-top: 1.5rem;
    color: var(--ink-2);
}
.contact-aside .direct a { border-bottom: 1px solid transparent; }
.contact-aside .direct a:hover { border-bottom-color: var(--accent); }
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; gap: 2rem; } }

/* ---------- Footer ---------- */

.site-footer {
    background: var(--dark);
    color: var(--on-dark-mut);
    padding: 3rem 0 2.5rem;
    font-size: 0.86rem;
}
.site-footer .wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.site-footer .brand { color: var(--on-dark); }
.site-footer .f-meta { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.04em; }
.site-footer .f-meta a { color: var(--on-dark-mut); border-bottom: 1px solid transparent; }
.site-footer .f-meta a:hover { color: var(--accent); border-bottom-color: var(--accent); }