/* =============================================================
   Helm Forge — AI Consulting
   Minimalist brand stylesheet
   Palette:
     --ink     #131110  deepest black
     --ink-2   #1C1A18  near-black (primary dark)
     --copper  #B87340  primary accent
     --copper-2 #C98B4E lighter accent / hover
     --cream   #F8F4EF  light surface
   Type: Cinzel (display) + Jost (body)
   ============================================================= */

:root {
    --ink:       #131110;
    --ink-2:     #1C1A18;
    --copper:    #B87340;
    --copper-2:  #C98B4E;
    --cream:     #F8F4EF;

    --line:      rgba(28, 26, 24, 0.12);
    --line-dark: rgba(248, 244, 239, 0.14);
    --muted:     rgba(28, 26, 24, 0.62);
    --muted-light: rgba(248, 244, 239, 0.70);

    --maxw: 1140px;
    --display: 'Cinzel', Georgia, 'Times New Roman', serif;
    --body: 'Jost', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--body);
    font-weight: 300;
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--ink-2);
    background-color: var(--cream);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

a { color: var(--copper); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--copper-2); }

h1, h2, h3, h4 {
    font-family: var(--display);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: .02em;
    margin: 0 0 .6em;
    color: var(--ink-2);
}

p { margin: 0 0 1.2em; }

.container {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 28px;
}

/* ---------- Reusable bits ---------- */

.eyebrow {
    font-family: var(--display);
    font-weight: 400;
    font-size: .78rem;
    letter-spacing: .42em;
    text-transform: uppercase;
    color: var(--copper);
    margin: 0 0 1.1em;
    display: block;
}

.lead { font-size: 1.22rem; line-height: 1.7; }

.section { padding: 110px 0; }
.section--tight { padding: 80px 0; }

.section-head { max-width: 720px; margin: 0 0 64px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.divider {
    width: 54px; height: 2px; border: 0;
    background: var(--copper); margin: 0 0 30px;
}
.center .divider { margin-left: auto; margin-right: auto; }

.btn {
    display: inline-block;
    font-family: var(--display);
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    padding: 16px 34px;
    border: 1.5px solid var(--copper);
    transition: all .28s ease;
    cursor: pointer;
}
.btn-primary { background: var(--copper); color: var(--cream); }
.btn-primary:hover { background: var(--copper-2); border-color: var(--copper-2); color: var(--ink); }
.btn-outline { background: transparent; color: var(--copper); }
.btn-outline:hover { background: var(--copper); color: var(--cream); }
.btn-ghost-light { background: transparent; color: var(--cream); border-color: var(--line-dark); }
.btn-ghost-light:hover { border-color: var(--copper); color: var(--copper-2); }

.btn-row { display: flex; flex-wrap: wrap; gap: 18px; }
.center .btn-row { justify-content: center; }

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

.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(248, 244, 239, 0.88);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    min-height: 78px;
}
.brand { display: flex; align-items: center; }
.brand-logo { height: 42px; width: auto; }

.site-nav { display: flex; align-items: center; gap: 6px; }
.site-nav a {
    font-family: var(--display);
    font-size: .78rem;
    font-weight: 400;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--ink-2);
    padding: 10px 16px;
    position: relative;
}
.site-nav a:hover { color: var(--copper); }
.site-nav a.active { color: var(--copper); }
.site-nav a.active::after {
    content: ''; position: absolute; left: 16px; right: 16px; bottom: 2px;
    height: 1.5px; background: var(--copper);
}
.site-nav a.nav-cta {
    border: 1.5px solid var(--copper); color: var(--copper);
    margin-left: 12px; padding: 10px 22px;
}
.site-nav a.nav-cta:hover { background: var(--copper); color: var(--cream); }

/* CSS-only mobile menu */
.nav-toggle { display: none; }
.nav-toggle-label { display: none; cursor: pointer; padding: 10px; }
.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
    content: ''; display: block; width: 26px; height: 2px;
    background: var(--ink-2); transition: all .3s ease;
}
.nav-toggle-label span::before { transform: translateY(-8px); }
.nav-toggle-label span::after { transform: translateY(6px); }

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

.hero {
    background: var(--ink);
    color: var(--cream);
    padding: 150px 0 140px;
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: ''; position: absolute; right: -180px; top: 50%;
    transform: translateY(-50%);
    width: 620px; height: 620px; border-radius: 50%;
    background: radial-gradient(circle, rgba(184,115,64,0.20) 0%, transparent 62%);
    pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero .eyebrow { color: var(--copper-2); }
.hero h1 {
    color: var(--cream);
    font-size: clamp(2.4rem, 5.4vw, 4.1rem);
    max-width: 16ch;
    margin-bottom: .5em;
}
.hero h1 .accent { color: var(--copper-2); }
.hero p { color: var(--muted-light); max-width: 56ch; font-size: 1.2rem; }
.hero .btn-row { margin-top: 38px; }

/* ---------- Page banner (sub-pages) ---------- */

.page-banner {
    background: var(--ink-2); color: var(--cream);
    padding: 110px 0 90px; text-align: center;
    position: relative; overflow: hidden;
}
.page-banner::after {
    content: ''; position: absolute; left: 50%; bottom: -260px;
    transform: translateX(-50%);
    width: 700px; height: 480px; border-radius: 50%;
    background: radial-gradient(circle, rgba(184,115,64,0.16) 0%, transparent 60%);
}
.page-banner .container { position: relative; z-index: 1; }
.page-banner .eyebrow { color: var(--copper-2); }
.page-banner h1 { color: var(--cream); font-size: clamp(2.1rem, 4.5vw, 3.2rem); }
.page-banner p { color: var(--muted-light); max-width: 60ch; margin: 0 auto; }

/* ---------- Surfaces ---------- */

.bg-dark { background: var(--ink); color: var(--cream); }
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 { color: var(--cream); }
.bg-dark p { color: var(--muted-light); }
.bg-dark .eyebrow { color: var(--copper-2); }

.bg-ink2 { background: var(--ink-2); color: var(--cream); }
.bg-ink2 h2, .bg-ink2 h3 { color: var(--cream); }
.bg-ink2 p { color: var(--muted-light); }

/* ---------- Grid ---------- */

.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Cards ---------- */

.card {
    background: #fff;
    border: 1px solid var(--line);
    padding: 40px 34px;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(19,17,16,0.08);
    border-color: rgba(184,115,64,0.5);
}
.card .num {
    font-family: var(--display); font-weight: 700;
    color: var(--copper); font-size: 1rem; letter-spacing: .14em;
    display: block; margin-bottom: 18px;
}
.card h3 { font-size: 1.32rem; }
.card p { margin-bottom: 0; color: var(--muted); }
.card p:last-child { margin-bottom: 0; }

/* Stat */
.stat { text-align: center; }
.stat .figure {
    font-family: var(--display); font-weight: 700;
    font-size: clamp(2.6rem, 5vw, 3.6rem);
    color: var(--copper); line-height: 1; margin-bottom: 10px;
}
.stat .label {
    font-size: .82rem; letter-spacing: .14em; text-transform: uppercase;
    color: var(--muted-light);
}

/* ---------- Project rows ---------- */

.project {
    display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px;
    align-items: center; padding: 70px 0; border-top: 1px solid var(--line);
}
.project:last-child { border-bottom: 1px solid var(--line); }
.project .tag {
    font-family: var(--display); font-size: .72rem; letter-spacing: .22em;
    text-transform: uppercase; color: var(--copper);
    display: inline-block; margin-bottom: 16px;
    border: 1px solid var(--line); padding: 6px 14px;
}
.project h3 { font-size: 1.7rem; }
.project .client {
    font-size: .9rem; letter-spacing: .1em; text-transform: uppercase;
    color: var(--muted); margin-bottom: 22px;
}
.project ul { list-style: none; padding: 0; margin: 22px 0 0; }
.project ul li {
    position: relative; padding-left: 26px; margin-bottom: 12px;
    color: var(--muted); font-size: .98rem;
}
.project ul li::before {
    content: ''; position: absolute; left: 0; top: 11px;
    width: 9px; height: 9px; background: var(--copper);
    transform: rotate(45deg);
}
.project .visual {
    aspect-ratio: 4/3; background: var(--ink-2);
    display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden;
}
.project .visual::after {
    content: ''; position: absolute; width: 280px; height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(184,115,64,0.28) 0%, transparent 65%);
}
.project .visual .glyph {
    font-family: var(--display); font-weight: 700; font-size: 2rem;
    letter-spacing: .12em; color: var(--cream); position: relative; z-index: 1;
    text-align: center;
}
.project .visual .glyph small {
    display: block; font-size: .72rem; letter-spacing: .3em;
    color: var(--copper-2); margin-top: 10px; font-weight: 400;
}
.project--flip .visual { order: -1; }

/* status pill */
.pill {
    display: inline-block; font-family: var(--body); font-weight: 400;
    font-size: .72rem; letter-spacing: .12em; text-transform: uppercase;
    color: var(--copper-2); border: 1px solid rgba(184,115,64,0.4);
    border-radius: 40px; padding: 3px 12px; margin-left: 10px;
}

/* ---------- Value / icon list ---------- */

.feature { padding: 8px 0; }
.feature h3 { font-size: 1.18rem; display: flex; align-items: baseline; gap: 12px; }
.feature h3::before {
    content: ''; width: 10px; height: 10px; background: var(--copper);
    transform: rotate(45deg); flex: 0 0 auto;
}
.feature p { color: var(--muted); margin-bottom: 0; }

/* checklist */
.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li {
    position: relative; padding-left: 30px; margin-bottom: 16px;
    color: var(--muted-light);
}
.checklist li::before {
    content: ''; position: absolute; left: 0; top: 10px;
    width: 10px; height: 10px; background: var(--copper); transform: rotate(45deg);
}
/* checklist on light surfaces */
.checklist li.muted { color: var(--muted); }

/* split layout */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }

/* ---------- CTA band ---------- */

.cta-band {
    background: var(--ink); color: var(--cream);
    text-align: center; padding: 120px 0; position: relative; overflow: hidden;
}
.cta-band::after {
    content: ''; position: absolute; left: 50%; top: 50%;
    transform: translate(-50%,-50%);
    width: 760px; height: 760px; border-radius: 50%;
    background: radial-gradient(circle, rgba(184,115,64,0.16) 0%, transparent 60%);
}
.cta-band .container { position: relative; z-index: 1; }
.cta-band h2 { color: var(--cream); font-size: clamp(2rem, 4.4vw, 3rem); max-width: 18ch; margin: 0 auto .4em; }
.cta-band p { color: var(--muted-light); max-width: 52ch; margin: 0 auto 36px; }

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

.contact-card {
    background: #fff; border: 1px solid var(--line);
    padding: 56px 48px; text-align: center;
}
.contact-card .big-email {
    font-family: var(--display); font-weight: 700;
    font-size: clamp(1.3rem, 3vw, 2rem); color: var(--ink-2);
    word-break: break-word;
}
.contact-card .big-email:hover { color: var(--copper); }

.info-row { display: flex; gap: 12px; align-items: baseline; margin-bottom: 14px; }
.info-row .k {
    font-family: var(--display); font-size: .74rem; letter-spacing: .18em;
    text-transform: uppercase; color: var(--copper); flex: 0 0 130px;
}
.info-row .v { color: var(--muted); }

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

.site-footer { background: var(--ink); color: var(--cream); padding: 80px 0 0; }
.footer-grid {
    display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 50px;
    padding-bottom: 60px;
}
.footer-logo { height: 50px; margin-bottom: 22px; filter: brightness(0) invert(1) sepia(0); }
.site-footer .tagline { color: var(--muted-light); max-width: 40ch; }
.footer-col h4 {
    font-size: .82rem; letter-spacing: .2em; text-transform: uppercase;
    color: var(--copper-2); margin-bottom: 22px;
}
.footer-col a, .footer-col p { display: block; color: var(--muted-light); margin-bottom: 12px; font-size: .96rem; }
.footer-col a:hover { color: var(--copper-2); }
.footer-bottom {
    border-top: 1px solid var(--line-dark);
    padding: 26px 0; text-align: center;
    color: var(--muted-light); font-size: .85rem; letter-spacing: .04em;
}

/* ---------- Logo recolor for dark footer ---------- */
/* The SVG uses dark ink strokes; on dark footer we swap in a light version via CSS mask fallback.
   Simpler: show logo on a subtle plate. */
.footer-logo-wrap {
    display: inline-block; background: var(--cream);
    padding: 10px 14px; margin-bottom: 22px; border-radius: 2px;
}
.footer-logo-wrap .footer-logo { height: 40px; margin: 0; filter: none; }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.muted { color: var(--muted); }

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

@media (max-width: 900px) {
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .split, .project, .project--flip { grid-template-columns: 1fr; gap: 34px; }
    .project--flip .visual { order: 0; }
    .footer-grid { grid-template-columns: 1fr 1fr; }

    /* mobile nav */
    .nav-toggle-label { display: block; }
    .site-nav {
        position: absolute; top: 100%; left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 0;
        background: var(--cream); border-bottom: 1px solid var(--line);
        max-height: 0; overflow: hidden; transition: max-height .35s ease;
    }
    .nav-toggle:checked ~ .site-nav { max-height: 460px; }
    .site-nav a { padding: 16px 28px; border-top: 1px solid var(--line); }
    .site-nav a.active::after { display: none; }
    .site-nav a.nav-cta { margin: 0; border: 0; border-top: 1px solid var(--line); color: var(--copper); }
    .nav-toggle:checked ~ .nav-toggle-label span { background: transparent; }
    .nav-toggle:checked ~ .nav-toggle-label span::before { transform: rotate(45deg); }
    .nav-toggle:checked ~ .nav-toggle-label span::after { transform: rotate(-45deg); }
}

@media (max-width: 580px) {
    .section { padding: 76px 0; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 36px; }
    .hero { padding: 110px 0 100px; }
    .contact-card { padding: 40px 26px; }
}