/* ============================================================
   Valens Standard — Process & Systems Consulting
   Palette: Navy & Emerald · IBM Plex Mono / Syne
   ============================================================ */

/* ── DESIGN TOKENS ──────────────────────────────────────── */
:root {
    --bg:           #0a0f1c;
    --bg-2:         #121a2c;
    --bg-3:         #1a2438;
    --border:       #263252;
    --border-light: #3a4970;

    --text:         #eef2fb;
    --text-muted:   #9aa5c4;
    --text-faint:   #7f8ab0;

    --accent:       #4c8dff;
    --accent-dim:   #1f3d78;
    --accent-glow:  rgba(76, 141, 255, 0.16);
    --accent-hover: #3a75d9;

    --green:        #34d399;
    --green-dim:    #124a35;
    --green-glow:   rgba(52, 211, 153, 0.14);

    --font-display: 'Syne', sans-serif;
    --font-mono:    'IBM Plex Mono', monospace;

    --radius:       4px;
    --radius-lg:    8px;

    --max-w:        1160px;
    --section-gap:  7rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Subtle grid overlay on the entire page */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.25;
    pointer-events: none;
    z-index: 0;
}

img { display: block; max-width: 100%; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── LAYOUT HELPERS ─────────────────────────────────────── */
.section-inner,
.footer-inner,
.nav-inner,
.hero-inner,
.page-hero-inner,
.cta-inner {
    max-width: var(--max-w);
    margin-inline: auto;
    padding-inline: 2rem;
}

/* ── NAVIGATION ─────────────────────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10,15,28,0.85);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding-block: 1.1rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.logo-initials {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px; height: 28px;
    background: var(--accent);
    color: var(--bg);
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 2px;
}

.logo-sep { color: var(--text-faint); margin: 0 0.1rem; }
.logo-title { color: var(--text); }

.nav-links {
    display: flex;
    gap: 0.25rem;
    margin-left: auto;
}

.nav-link {
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 0.35rem 0.8rem;
    border-radius: var(--radius);
    transition: color 0.2s, background 0.2s;
}
.nav-link:hover,
.nav-link.active {
    color: var(--text);
    background: var(--bg-3);
}

.nav-cta {
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid var(--accent-dim);
    padding: 0.35rem 0.9rem;
    border-radius: var(--radius);
    transition: background 0.2s, border-color 0.2s;
}
.nav-cta:hover {
    background: var(--accent-glow);
    border-color: var(--accent);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-shrink: 0;
}
.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ────────────────────────────────────────────────── */
.hero {
    position: relative;
    z-index: 1;
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}

/* Glow blob */
.hero::after {
    content: '';
    position: absolute;
    top: -200px; right: -100px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(76,141,255,0.07) 0%, transparent 70%);
    pointer-events: none;
}

.hero-inner {
    padding-top: 6rem;
    padding-bottom: 4rem;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 2rem;
    border: 1px solid rgba(52,211,153,0.3);
    padding: 0.3rem 0.75rem;
    border-radius: 100px;
}

.pulse-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--green);
    animation: pulse 2s ease-in-out infinite;
    flex-shrink: 0;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(0.7); }
}

.hero-name {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 9vw, 7.5rem);
    font-weight: 800;
    line-height: 0.95;
    letter-spacing: -0.03em;
    color: var(--text);
    margin-bottom: 1.25rem;
}

.hero-role {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.hero-summary {
    max-width: 560px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Hero stat bar */
.hero-stat-bar {
    display: flex;
    align-items: center;
    border-top: 1px solid var(--border);
    padding-block: 2rem;
    gap: 0;
    max-width: var(--max-w);
    margin-inline: auto;
    padding-inline: 2rem;
}

.stat {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
}

.stat-num {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    letter-spacing: -0.03em;
}

.stat-label {
    font-size: 0.7rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--text-muted);
    text-align: center;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-light);
}

/* ── BUTTONS ────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.65rem 1.4rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

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

.btn-ghost {
    background: transparent;
    color: var(--text);
    border-color: var(--border-light);
}
.btn-ghost:hover {
    background: var(--bg-3);
    border-color: var(--text-faint);
}

.btn-large { padding: 0.85rem 2rem; font-size: 0.85rem; }
.btn-full  { width: 100%; justify-content: center; }

/* ── SECTION SHARED ─────────────────────────────────────── */
.section {
    padding-block: var(--section-gap);
    position: relative;
    z-index: 1;
}

.section + .section {
    border-top: 1px solid var(--border);
}

.section-heading {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 3rem;
    display: flex;
    align-items: baseline;
    gap: 1rem;
}

.section-num {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--accent);
    letter-spacing: 0.1em;
    border: 1px solid var(--accent-dim);
    padding: 0.15rem 0.45rem;
    border-radius: var(--radius);
}

/* ── EXPERTISE GRID ─────────────────────────────────────── */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.expertise-card {
    background: var(--bg-2);
    padding: 2rem;
    transition: background 0.2s;
}
.expertise-card:hover { background: var(--bg-3); }

.expertise-icon {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.expertise-card h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.expertise-card p {
    color: var(--text-muted);
    font-size: 0.84rem;
    line-height: 1.75;
    margin-bottom: 1.25rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

/* ── TIMELINE ────────────────────────────────────────────── */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-left: 1px solid var(--border-light);
    margin-left: 0.5rem;
}

.timeline-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 2rem;
    padding: 2.5rem 0 2.5rem 2.5rem;
    border-bottom: 1px solid var(--border);
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -5px;
    top: 2.9rem;
    width: 9px; height: 9px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--bg);
}

.timeline-meta {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding-top: 0.2rem;
}

.timeline-date {
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    color: var(--accent);
    font-weight: 500;
}

.timeline-location {
    font-size: 0.72rem;
    color: var(--text-faint);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.timeline-header {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.timeline-role {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
}

.timeline-org {
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 0.15rem 0.5rem;
    background: var(--bg-3);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
}

.timeline-body > p {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.timeline-highlights {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.timeline-highlights li {
    font-size: 0.82rem;
    color: var(--text-muted);
    padding-left: 1rem;
    position: relative;
}
.timeline-highlights li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* ── TECH STACK ──────────────────────────────────────────── */
.tech-stack { background: var(--bg-2); }

.tech-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.tech-group-label {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-faint);
    margin-bottom: 0.75rem;
}

.tech-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* ── PILLS ───────────────────────────────────────────────── */
.pill {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    padding: 0.25rem 0.7rem;
    border-radius: 100px;
    background: var(--bg-3);
    border: 1px solid var(--border-light);
    color: var(--text-muted);
    white-space: nowrap;
}

.pill.highlight {
    background: var(--accent-dim);
    border-color: var(--accent);
    color: var(--accent);
}

/* ── EDUCATION ───────────────────────────────────────────── */
.edu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.edu-card {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: border-color 0.2s;
}
.edu-card:hover { border-color: var(--border-light); }

.edu-year {
    display: block;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.6rem;
}

.edu-degree {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.edu-school {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ── CTA SECTION ─────────────────────────────────────────── */
.cta-section {
    background: var(--bg-2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.cta-inner {
    text-align: center;
    max-width: 600px;
    margin-inline: auto;
    padding-inline: 2rem;
}

.cta-label {
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1rem;
}

.cta-heading {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.cta-sub {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* ── PAGE HERO (services / about / contact) ─────────────── */
.page-hero {
    border-bottom: 1px solid var(--border);
    padding-block: 5rem 3.5rem;
    position: relative;
    z-index: 1;
    overflow: hidden;
}
.page-hero::after {
    content: '';
    position: absolute;
    top: -150px; left: -100px;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(76,141,255,0.05) 0%, transparent 70%);
    pointer-events: none;
}

.page-hero-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
}

.page-hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.page-hero-sub {
    max-width: 540px;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.8;
}

/* ── FOOTER ─────────────────────────────────────────────── */
.site-footer {
    border-top: 1px solid var(--border);
    padding-block: 2rem;
    position: relative;
    z-index: 1;
}

.footer-inner {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-copy, .footer-tagline {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer-sep { color: var(--text-faint); }

.footer-link {
    font-size: 0.75rem;
    color: var(--accent);
    transition: opacity 0.2s;
}
.footer-link:hover { opacity: 0.7; }

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 900px) {
    .timeline-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    .timeline-meta { flex-direction: row; gap: 1rem; }
}

@media (max-width: 680px) {
    :root { --section-gap: 4rem; }

    /* Nav collapses into a toggled dropdown instead of just vanishing */
    .nav-toggle { display: flex; }
    .nav-cta { display: none; }
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        background: var(--bg-2);
        border-bottom: 1px solid var(--border);
        padding: 0.5rem 1.25rem 1rem;
    }
    .nav-links.is-open { display: flex; }
    .nav-link { padding: 0.75rem 0.5rem; font-size: 0.85rem; }

    .hero-stat-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 1.25rem;
    }
    .stat-divider { display: none; }
    .stat { flex-direction: column; align-items: flex-start; gap: 0.2rem; }
    .stat-label { text-align: left; }
    .footer-inner { flex-direction: column; align-items: flex-start; gap: 0.4rem; }

    /* Reclaim width eaten by double padding (section + card) on narrow screens */
    .section-inner,
    .hero-inner,
    .page-hero-inner,
    .cta-inner {
        padding-inline: 1.25rem;
    }
}

/* ── WHO WE HELP ─────────────────────────────────────────── */
.who-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.who-card {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.who-card-mark {
    color: var(--accent);
    font-size: 1rem;
    flex-shrink: 0;
    line-height: 1.6;
}

.who-card p {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.75;
}

/* ── SERVICE TEASER CARDS (home) ────────────────────────── */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.service-card {
    background: var(--bg-2);
    padding: 2rem;
    transition: background 0.2s;
    display: flex;
    flex-direction: column;
}
.service-card:hover { background: var(--bg-3); }

.service-card-num {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.84rem;
    line-height: 1.75;
    margin-bottom: 1.25rem;
    flex-grow: 1;
}

.service-card-price {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}
.service-card-price b { color: var(--text); font-weight: 600; }

/* ── SERVICE TIER DETAIL (services page) ────────────────── */
.tier-card {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    margin-bottom: 1.5rem;
}

.tier-card-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.tier-card-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.tier-card-timeline {
    font-size: 0.78rem;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

.tier-card-price {
    text-align: right;
    flex-shrink: 0;
}
.tier-card-price-label {
    display: block;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-faint);
    margin-bottom: 0.3rem;
}
.tier-card-price-num {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--accent);
}
.tier-card-price-note {
    display: block;
    font-size: 0.72rem;
    color: var(--text-faint);
    margin-top: 0.3rem;
    max-width: 220px;
}

.tier-card-summary {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.tier-card-cols {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
}

.tier-card-col h4 {
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-faint);
    margin-bottom: 1rem;
}

.tier-card-col ul {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.tier-card-col li {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.6;
    padding-left: 1rem;
    position: relative;
}
.tier-card-col li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* ── CONTACT PAGE ────────────────────────────────────────── */
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-card {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.contact-card--compact {
    padding: 1.75rem;
    margin-bottom: 2rem;
}

.contact-row {
    margin-bottom: 1.5rem;
}
.contact-row:last-child { margin-bottom: 0; }

.contact-label {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-faint);
    margin-bottom: 0.4rem;
}

.contact-value {
    font-size: 0.95rem;
    color: var(--text);
}
a.contact-value:hover { color: var(--accent); }

.contact-note {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.85;
}
.contact-note h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 1rem;
}
.contact-note ol {
    padding-left: 1.2rem;
    margin-top: 0.75rem;
}
.contact-note ol li { margin-bottom: 0.5rem; }

/* ── CONTACT FORM ────────────────────────────────────────── */
.contact-form {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}
.form-optional {
    text-transform: none;
    letter-spacing: 0;
    color: var(--text-faint);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    background: var(--bg-3);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    padding: 0.65rem 0.85rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-textarea { resize: vertical; line-height: 1.6; }

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-select {
    appearance: none;
    background-image: linear-gradient(45deg, transparent 50%, var(--text-faint) 50%),
                       linear-gradient(135deg, var(--text-faint) 50%, transparent 50%);
    background-position: calc(100% - 1.1rem) center, calc(100% - 0.8rem) center;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    padding-right: 2rem;
}

.form-error {
    font-size: 0.75rem;
    color: #ef8080;
    margin-top: 0.4rem;
}

.form-row--hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* ── SITE MESSAGES (Django messages framework) ──────────── */
.site-messages {
    max-width: var(--max-w);
    margin-inline: auto;
    padding: 1.25rem 2rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.site-message {
    font-size: 0.85rem;
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-2);
    color: var(--text);
}
.site-message--success {
    border-color: var(--green-dim);
    background: var(--green-glow);
    color: var(--green);
}
.site-message--error {
    border-color: #6e2b2b;
    background: rgba(239,128,128,0.12);
    color: #ef8080;
}

@media (max-width: 900px) {
    .contact-grid { grid-template-columns: 1fr; }
    .tier-card-price { text-align: left; }
    .tier-card-head { flex-direction: column; }
    .form-row-pair { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
    .expertise-card,
    .service-card,
    .tier-card,
    .contact-form,
    .contact-card,
    .edu-card,
    .who-card {
        padding: 1.5rem;
    }
}