/* ==========================================================================
   Global Art Exchange — main stylesheet
   Brand: Navy #1F3864 / Navy Dark #141B33 / Blue #2E5395 / Gold #B08D57 /
          Gold Light #D9C7A3 — matching the pitch deck & business plan.
   ========================================================================== */

:root {
	--navy: #1F3864;
	--navy-dark: #141B33;
	--blue: #2E5395;
	--gold: #B08D57;
	--gold-light: #D9C7A3;
	--ink: #1A1A1A;
	--grey: #6B6B6B;
	--lightbg: #F4F6FA;
	--good: #3C7A5A;
	--border: #E3E7F0;
	--white: #FFFFFF;

	--font-serif: 'Newsreader', Georgia, 'Times New Roman', serif;
	--font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
	margin: 0;
	font-family: var(--font-sans);
	color: var(--ink);
	background: var(--white);
	line-height: 1.5;
	-webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 600; color: var(--navy); margin: 0 0 0.5em; line-height: 1.15; }
p { margin: 0 0 1em; color: #3A3A3A; }
ul { padding-left: 1.2em; }

.gae-shell { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.gae-shell--narrow { max-width: 760px; }

.gae-kicker {
	font-family: var(--font-sans);
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 2px;
	text-transform: uppercase;
	color: var(--gold);
	margin: 0 0 12px;
}
.gae-kicker--light { color: var(--gold-light); }

.gae-lead { font-size: 17px; color: #2A2A2A; max-width: 780px; }
.gae-lead--small { font-size: 14px; color: var(--grey); font-style: italic; margin-top: 32px; }
.gae-lead--light { color: #D8DEEC; }

/* ---- Buttons ---- */
.gae-btn {
	display: inline-block;
	padding: 14px 28px;
	border-radius: 6px;
	font-weight: 600;
	font-size: 15px;
	border: 1px solid transparent;
	cursor: pointer;
	transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.gae-btn--gold { background: var(--gold); color: var(--white); }
.gae-btn--gold:hover { background: #9c7a49; transform: translateY(-1px); }
.gae-btn--ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.5); }
.gae-btn--ghost:hover { background: rgba(255,255,255,0.08); }
.gae-btn--sm { padding: 9px 18px; font-size: 13.5px; background: var(--gold); color: var(--white); border-radius: 5px; }
.gae-btn--full { width: 100%; text-align: center; font-size: 16px; padding: 15px; }

/* ---- Topbar + Header ---- */
.gae-topbar { background: var(--navy-dark); color: #B9C2DA; font-size: 12.5px; }
.gae-topbar__inner { display: flex; justify-content: space-between; align-items: center; height: 34px; }
.gae-topbar__right { opacity: 0.75; }

.gae-header {
	position: sticky; top: 0; z-index: 100;
	background: rgba(255,255,255,0.96);
	backdrop-filter: blur(6px);
	border-bottom: 1px solid var(--border);
}
.gae-header__inner { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.gae-logo { display: flex; align-items: center; gap: 10px; }
.gae-logo__mark {
	display: inline-flex; align-items: center; justify-content: center;
	width: 40px; height: 40px; border-radius: 8px;
	background: var(--navy); color: var(--gold-light);
	font-family: var(--font-serif); font-weight: 700; font-size: 16px;
}
.gae-logo__mark--light { background: var(--gold); color: var(--navy-dark); margin-bottom: 12px; }
.gae-logo__word { font-family: var(--font-serif); font-weight: 600; font-size: 17px; color: var(--navy); }

.gae-nav { display: flex; align-items: center; gap: 28px; font-size: 14.5px; font-weight: 500; }
.gae-nav a:not(.gae-btn) { color: #333; }
.gae-nav a:not(.gae-btn):hover { color: var(--gold); }

.gae-nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.gae-nav-toggle span { width: 24px; height: 2px; background: var(--navy); display: block; }
.gae-mobile-nav { display: none; flex-direction: column; padding: 16px 24px 24px; gap: 16px; border-top: 1px solid var(--border); background: var(--white); }
.gae-mobile-nav.is-open { display: flex; }

/* ---- Hero ---- */
.gae-hero { position: relative; background: var(--navy-dark); overflow: hidden; padding: 96px 0 110px; }
.gae-hero__bg {
	position: absolute; inset: 0;
	background:
		radial-gradient(circle at 85% -10%, rgba(46,83,149,0.55) 0%, rgba(46,83,149,0) 55%),
		radial-gradient(circle at -10% 90%, rgba(46,83,149,0.4) 0%, rgba(46,83,149,0) 50%);
}
.gae-hero__inner { position: relative; max-width: 880px; }
.gae-hero h1 { color: var(--white); font-size: 46px; line-height: 1.12; margin-bottom: 22px; }
.gae-hero__sub { color: #D8DEEC; font-size: 18px; max-width: 700px; margin-bottom: 36px; }
.gae-hero__cta { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---- Stats strip ---- */
.gae-stats { background: var(--lightbg); border-bottom: 1px solid var(--border); padding: 40px 0 24px; }
.gae-stats__inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.gae-stat { display: flex; flex-direction: column; gap: 4px; }
.gae-stat__num { font-family: var(--font-serif); font-weight: 700; font-size: 30px; color: var(--navy); }
.gae-stat__label { font-size: 12.5px; color: var(--grey); }
.gae-stats__note { font-size: 11.5px; color: #9A9A9A; margin-top: 20px; font-style: italic; }

/* ---- Sections ---- */
.gae-section { padding: 88px 0; }
.gae-section--tint { background: var(--lightbg); }
.gae-section--dark { background: var(--navy-dark); }
.gae-section--dark h2, .gae-section--dark h3, .gae-section--dark h4 { color: var(--white); }
.gae-section h2 { font-size: 32px; max-width: 780px; margin-bottom: 20px; }
.gae-h2--light { color: var(--white) !important; }

/* ---- Card grids ---- */
.gae-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.gae-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }

.gae-card { background: var(--lightbg); border: 1px solid var(--border); border-radius: 10px; padding: 28px; }
.gae-card__num {
	display: inline-flex; align-items: center; justify-content: center;
	width: 40px; height: 40px; border-radius: 50%;
	background: var(--navy); color: var(--white); font-family: var(--font-serif); font-weight: 700; font-size: 16px;
	margin-bottom: 18px;
}
.gae-card h3 { font-size: 18px; }
.gae-card p, .gae-tile p { font-size: 14.5px; color: #444; }

.gae-tile { background: var(--white); border: 1px solid var(--border); border-radius: 10px; padding: 22px; }
.gae-tile h4 { font-size: 15.5px; margin-bottom: 8px; }
.gae-tile--dark { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.12); }
.gae-tile--dark p { color: #C9D0E3; }

/* ---- Who we serve ---- */
.gae-audience-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 40px; }
.gae-audience-card { background: var(--lightbg); border: 1px solid var(--border); border-radius: 12px; padding: 32px; }
.gae-audience-card__tag {
	display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
	color: var(--white); background: var(--navy); padding: 5px 12px; border-radius: 20px; margin-bottom: 16px;
}
.gae-audience-card h3 { font-size: 19px; margin-bottom: 6px; }
.gae-audience-card > p { font-size: 14.5px; color: #444; }
.gae-audience-card__list { list-style: none; padding: 0; margin: 16px 0 20px; }
.gae-audience-card__list li { font-size: 14px; color: #3A3A3A; padding: 7px 0; border-top: 1px solid var(--border); }
.gae-audience-card__list li:first-child { border-top: none; }
.gae-audience-card__link { font-size: 13.5px; font-weight: 600; color: var(--blue); }
.gae-audience-card__link:hover { color: var(--gold); }

/* ---- Illustrative valuation chart ---- */
.gae-chart-card { background: var(--white); border: 1px solid var(--border); border-radius: 12px; padding: 32px; margin-top: 44px; }
.gae-chart-card__head { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 20px; margin-bottom: 32px; }
.gae-chart-card__title h3 { font-size: 18px; margin-bottom: 6px; }
.gae-chart-card__title p { font-size: 13px; color: var(--grey); max-width: 480px; margin: 0; }
.gae-chart-card__headline { text-align: right; display: flex; flex-direction: column; }
.gae-chart-card__headline .num { font-family: var(--font-serif); font-weight: 700; font-size: 30px; color: var(--navy); line-height: 1.1; }
.gae-chart-card__headline .lbl { font-size: 12px; color: var(--grey); }

.gae-bars { display: flex; align-items: flex-end; gap: 20px; padding: 0 4px 20px; border-bottom: 1px solid var(--border); }
.gae-bars__col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; }
.gae-bars__value { font-size: 13px; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.gae-bars__bar { width: 100%; max-width: 56px; border-radius: 4px 4px 0 0; }
.gae-bars__bar--base { background: var(--lightbg); border: 1.5px solid var(--border); }
.gae-bars__bar--headline { background: var(--gold); }
.gae-bars__bar--context { background: var(--blue); }
.gae-bars__label { margin-top: 12px; font-size: 12px; color: var(--grey); text-align: center; line-height: 1.5; }
.gae-bars__label strong { display: block; color: var(--navy); font-size: 12.5px; }

.gae-chart-card__legend { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 18px; font-size: 12px; color: var(--grey); align-items: center; }
.gae-chart-card__legend span { display: inline-flex; align-items: center; gap: 7px; }
.gae-chart-card__swatch { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }
.gae-chart-card__note { font-size: 11.5px; color: var(--grey); font-style: italic; margin: 18px 0 0; line-height: 1.7; }

/* ---- How it works diagram ---- */
.gae-origin-row { display: flex; align-items: stretch; gap: 24px; margin-top: 44px; }
.gae-origin-card { flex: 1; background: var(--lightbg); border: 1.5px solid var(--gold); border-radius: 10px; padding: 22px; }
.gae-origin-card h3 { font-size: 16px; margin-bottom: 8px; }
.gae-origin-card p { font-size: 13.5px; color: #444; margin: 0; }
.gae-origin-or { align-self: center; font-weight: 700; color: var(--gold); letter-spacing: 1px; font-size: 13px; }

.gae-arrow-down { text-align: center; color: var(--gold); font-size: 22px; font-weight: 700; margin: 6px 0; }

.gae-gate { background: var(--navy); border-radius: 10px; padding: 28px 32px; text-align: center; }
.gae-gate h3 { color: var(--gold-light); letter-spacing: 1px; text-transform: uppercase; font-size: 16px; font-family: var(--font-sans); font-weight: 700; }
.gae-gate p { color: #D8DEEC; font-size: 14px; max-width: 780px; margin: 8px auto 0; }

.gae-pipeline { display: flex; align-items: stretch; gap: 6px; margin-top: 6px; }
.gae-pipeline__step { flex: 1; background: var(--blue); border-radius: 10px; padding: 20px; color: var(--white); }
.gae-pipeline__step:nth-child(odd) { background: var(--navy); }
.gae-pipeline__n { font-family: var(--font-serif); font-weight: 700; color: var(--gold-light); font-size: 16px; }
.gae-pipeline__step h4 { color: var(--white); font-size: 14.5px; margin: 6px 0; }
.gae-pipeline__step p { color: #D8DEEC; font-size: 12px; margin: 0; }
.gae-pipeline__arrow { align-self: center; color: var(--gold); font-size: 18px; font-weight: 700; }

/* ---- Form ---- */
.gae-form { margin-top: 32px; background: var(--white); border: 1px solid var(--border); border-radius: 12px; padding: 32px; }
.gae-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.gae-form__field { margin-bottom: 18px; }
.gae-form__field label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 6px; color: var(--navy); }
.gae-form__field input, .gae-form__field select, .gae-form__field textarea {
	width: 100%; padding: 11px 12px; border: 1px solid var(--border); border-radius: 6px;
	font-family: var(--font-sans); font-size: 14.5px; background: var(--white); color: var(--ink);
}
.gae-form__field input:focus, .gae-form__field select:focus, .gae-form__field textarea:focus { outline: 2px solid var(--gold-light); border-color: var(--gold); }
.gae-form__consent { font-size: 13px; color: var(--grey); margin: 6px 0 22px; display: flex; gap: 8px; align-items: flex-start; }
.gae-form__consent input { margin-top: 3px; }
.gae-form__consent a { color: var(--blue); text-decoration: underline; }
.gae-form__honeypot { position: absolute; left: -9999px; top: -9999px; }

.gae-alert { padding: 14px 18px; border-radius: 8px; font-size: 14.5px; margin-top: 24px; }
.gae-alert--success { background: #E7F3ED; color: var(--good); border: 1px solid #BEE0D1; }
.gae-alert--error { background: #FBEAEA; color: #8A2E2E; border: 1px solid #F0C6C6; }

/* ---- Prose (privacy page etc.) ---- */
.gae-prose h1 { font-size: 32px; }
.gae-prose h2 { font-size: 22px; margin-top: 32px; }
.gae-prose p, .gae-prose li { color: #333; font-size: 15px; }

/* ---- Footer ---- */
.gae-footer { background: var(--navy-dark); color: #B9C2DA; padding: 64px 0 24px; }
.gae-footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.gae-footer__brand p { color: #94A0BE; font-size: 13.5px; max-width: 260px; }
.gae-footer__col h4 { color: var(--white); font-size: 13px; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 14px; }
.gae-footer__col a { display: block; color: #B9C2DA; font-size: 14px; margin-bottom: 10px; }
.gae-footer__col a:hover { color: var(--gold-light); }
.gae-footer__legal { padding-top: 24px; }
.gae-footer__legal p { color: #7C87A6; font-size: 11.5px; line-height: 1.6; margin: 0; }

/* ---- Responsive ---- */
@media (max-width: 900px) {
	.gae-nav { display: none; }
	.gae-nav-toggle { display: flex; }
	.gae-hero h1 { font-size: 32px; }
	.gae-stats__inner { grid-template-columns: repeat(2, 1fr); }
	.gae-grid-3, .gae-grid-4 { grid-template-columns: 1fr 1fr; }
	.gae-origin-row { flex-direction: column; }
	.gae-pipeline { flex-direction: column; }
	.gae-pipeline__arrow { transform: rotate(90deg); }
	.gae-form__row { grid-template-columns: 1fr; }
	.gae-footer__grid { grid-template-columns: 1fr 1fr; }
	.gae-audience-row { grid-template-columns: 1fr; }
	.gae-bars { gap: 10px; }
	.gae-chart-card__head { flex-direction: column; align-items: flex-start; }
	.gae-chart-card__headline { text-align: left; }
}
@media (max-width: 560px) {
	.gae-grid-3, .gae-grid-4 { grid-template-columns: 1fr; }
	.gae-footer__grid { grid-template-columns: 1fr; }
	.gae-hero { padding: 64px 0 72px; }
	.gae-section { padding: 56px 0; }
	.gae-bars { gap: 6px; }
	.gae-bars__value { font-size: 11px; }
	.gae-bars__label { font-size: 10.5px; }
}