/* ============================================================
   TIER ONE ADVISORY — Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,300;8..60,400;8..60,500;8..60,600;8..60,700&family=Inter+Tight:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    /* Palette — deep ink navy, warm parchment, burnished copper */
    --ink:            #0E1C2B;   /* primary dark */
    --ink-80:         #1B2A3A;
    --ink-60:         #3A4A5C;
    --ink-40:         #6B7785;
    --ink-20:         #A8AFB8;
    --ink-10:         #D6D9DD;

    --paper:          #F5F1EA;   /* warm off-white page bg */
    --paper-2:        #EDE7DC;   /* card / alt */
    --paper-3:        #E4DCCB;
    --cream:          #FBF8F2;
    --white:          #FFFFFF;

    --copper:         #B8702A;   /* accent */
    --copper-dark:    #8F541C;
    --copper-light:   #D99A5E;

    --line:           rgba(14, 28, 43, 0.12);
    --line-strong:    rgba(14, 28, 43, 0.24);

    /* Type */
    --serif: 'Source Serif 4', 'Iowan Old Style', Georgia, serif;
    --sans:  'Inter Tight', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --mono:  'JetBrains Mono', ui-monospace, Menlo, monospace;

    /* Spacing scale */
    --s1: 4px;  --s2: 8px;  --s3: 12px; --s4: 16px;
    --s5: 24px; --s6: 32px; --s7: 48px; --s8: 64px;
    --s9: 96px; --s10: 128px; --s11: 160px;

    --max-w: 1360px;
    --content-w: 1120px;
    --narrow-w: 760px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--sans);
    color: var(--ink);
    background: var(--paper);
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "ss01", "cv11";
    text-rendering: optimizeLegibility;
}

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

a { color: inherit; text-decoration: none; }

/* ===== Typography ===== */

.eyebrow {
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--copper);
    display: inline-flex;
    align-items: center;
    gap: var(--s3);
}
.eyebrow::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--copper);
    display: inline-block;
}
.eyebrow.no-rule::before { display: none; }

h1, h2, h3, h4 {
    font-family: var(--serif);
    font-weight: 400;
    letter-spacing: -0.015em;
    line-height: 1.08;
    color: var(--ink);
    text-wrap: balance;
}

.display {
    font-family: var(--serif);
    font-weight: 300;
    font-size: clamp(48px, 7vw, 104px);
    line-height: 0.98;
    letter-spacing: -0.025em;
}
.display em {
    font-style: italic;
    font-weight: 300;
    color: var(--copper);
}

h1 { font-size: clamp(40px, 5.2vw, 76px); }
h2 { font-size: clamp(32px, 3.8vw, 54px); line-height: 1.05; }
h3 { font-size: clamp(22px, 2vw, 30px); line-height: 1.2; }
h4 { font-size: 20px; line-height: 1.3; font-weight: 500; }

p.lede {
    font-family: var(--serif);
    font-size: clamp(20px, 1.6vw, 24px);
    line-height: 1.45;
    color: var(--ink-80);
    font-weight: 300;
    text-wrap: pretty;
}

p { text-wrap: pretty; color: var(--ink-80); }

.body-lg { font-size: 18px; line-height: 1.6; }

/* ===== Layout ===== */

.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 var(--s6); }
.wrap-narrow { max-width: var(--content-w); margin: 0 auto; padding: 0 var(--s6); }

section { padding: var(--s10) 0; }
section.tight { padding: var(--s8) 0; }

.rule { height: 1px; background: var(--line); border: none; }

/* ===== Navigation ===== */

.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(245, 241, 234, 0.88);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--line);
}
.nav-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--s6);
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--s6);
}
.brand {
    display: flex;
    align-items: center;
    gap: var(--s3);
    font-family: var(--serif);
    font-size: 22px;
    letter-spacing: -0.02em;
    color: var(--ink);
}
.brand-mark {
    width: 34px; height: 34px;
    display: grid; place-items: center;
    background: var(--ink);
    color: var(--paper);
    font-family: var(--serif);
    font-size: 16px;
    font-weight: 500;
    letter-spacing: -0.04em;
    border-radius: 2px;
    position: relative;
}
.brand-mark::after {
    content: '';
    position: absolute;
    inset: 3px;
    border: 1px solid var(--copper);
    border-radius: 1px;
    pointer-events: none;
}
.brand-name { font-weight: 500; }
.brand-sub { color: var(--ink-60); font-size: 13px; font-family: var(--sans); letter-spacing: 0.02em; margin-left: var(--s1); padding-left: var(--s3); border-left: 1px solid var(--line); }

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--s6);
    list-style: none;
    font-size: 14px;
    font-weight: 500;
}
.nav-links a {
    color: var(--ink-80);
    padding: var(--s2) 0;
    position: relative;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); }
.nav-links a.active::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: -2px;
    height: 1px;
    background: var(--copper);
}
.nav-cta {
    background: var(--ink);
    color: var(--paper);
    padding: 10px 18px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.01em;
    border-radius: 2px;
    transition: background 0.2s;
    white-space: nowrap;
}
@media (max-width: 1180px) {
    .nav-links { gap: var(--s5); }
}
@media (max-width: 1060px) {
    .nav-links { gap: var(--s4); font-size: 13px; }
}
.nav-cta:hover { background: var(--copper); color: var(--paper); }

/* Mobile nav */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; width: 32px; height: 32px; }
.nav-toggle span { display: block; width: 20px; height: 1px; background: var(--ink); margin: 4px auto; transition: 0.2s; }

@media (max-width: 960px) {
    .nav-toggle { display: block; }
    .nav-links {
        position: absolute;
        top: 76px; left: 0; right: 0;
        background: var(--paper);
        border-bottom: 1px solid var(--line);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--s5) var(--s6);
        gap: var(--s4);
        display: none;
        font-size: 15px;
    }
    .nav-links.open { display: flex; }
}

/* ===== Buttons ===== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--s3);
    font-family: var(--sans);
    font-size: 14px;
    font-weight: 500;
    padding: 14px 22px;
    border-radius: 2px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: 0.01em;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--copper); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.btn-arrow { transition: transform 0.2s; }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ===== Hero ===== */

.hero {
    padding: var(--s9) 0 var(--s10);
    position: relative;
    overflow: hidden;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--s9);
    align-items: end;
}
.hero-text .eyebrow { margin-bottom: var(--s6); }
.hero-text h1 { margin-bottom: var(--s5); }
.hero-text .lede { margin-bottom: var(--s7); max-width: 540px; }
.hero-actions { display: flex; gap: var(--s3); flex-wrap: wrap; }

.hero-visual {
    position: relative;
    aspect-ratio: 4/5;
    overflow: hidden;
    border-radius: 2px;
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }
.hero-meta {
    position: absolute;
    bottom: var(--s5);
    left: var(--s5);
    right: var(--s5);
    padding: var(--s4) var(--s5);
    background: rgba(14, 28, 43, 0.92);
    color: var(--paper);
    backdrop-filter: blur(6px);
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 13px;
    font-family: var(--mono);
    letter-spacing: 0.04em;
}
.hero-meta .copper { color: var(--copper-light); }

@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; gap: var(--s7); }
    .hero-visual { aspect-ratio: 16/10; }
}

/* ===== Generic page header ===== */

.page-hero {
    padding: var(--s9) 0 var(--s8);
    border-bottom: 1px solid var(--line);
}
.page-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--s8);
    align-items: end;
}
.page-hero h1 { margin-top: var(--s4); }
.page-hero .lede { margin-top: var(--s5); }

@media (max-width: 900px) {
    .page-hero-grid { grid-template-columns: 1fr; gap: var(--s5); }
}

/* ===== Stat / numbers bar ===== */

.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.stat {
    padding: var(--s7) var(--s5);
    border-right: 1px solid var(--line);
}
.stat:last-child { border-right: none; }
.stat-num {
    font-family: var(--serif);
    font-size: clamp(40px, 4vw, 56px);
    line-height: 1;
    font-weight: 300;
    letter-spacing: -0.02em;
    color: var(--ink);
}
.stat-num sup { font-size: 0.5em; color: var(--copper); vertical-align: super; font-weight: 400; margin-left: 2px; }
.stat-label {
    font-family: var(--sans);
    font-size: 13px;
    color: var(--ink-60);
    margin-top: var(--s3);
    line-height: 1.4;
}
@media (max-width: 760px) {
    .stats { grid-template-columns: repeat(2, 1fr); }
    .stat:nth-child(2) { border-right: none; }
    .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
}

/* ===== Cards / capability blocks ===== */

.cap-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}
.cap {
    padding: var(--s7) var(--s6);
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: var(--paper);
    position: relative;
    transition: background 0.25s;
}
.cap:hover { background: var(--cream); }
.cap-num {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--copper);
    letter-spacing: 0.12em;
    margin-bottom: var(--s6);
}
.cap h3 { margin-bottom: var(--s4); }
.cap p { font-size: 15px; color: var(--ink-60); }
.cap-list {
    list-style: none;
    margin-top: var(--s5);
    padding-top: var(--s5);
    border-top: 1px solid var(--line);
}
.cap-list li {
    font-size: 13px;
    color: var(--ink-60);
    padding: var(--s2) 0;
    display: flex;
    gap: var(--s3);
}
.cap-list li::before {
    content: '—';
    color: var(--copper);
    flex-shrink: 0;
}

@media (max-width: 880px) { .cap-grid { grid-template-columns: 1fr; } }

/* ===== Split / feature rows ===== */

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s9);
    align-items: center;
}
.split.flip .split-text { order: 2; }
.split-img {
    aspect-ratio: 4/5;
    overflow: hidden;
    border-radius: 2px;
}
.split-img img { width: 100%; height: 100%; object-fit: cover; }
.split-text .eyebrow { margin-bottom: var(--s5); }
.split-text h2 { margin-bottom: var(--s5); }
.split-text p { font-size: 17px; margin-bottom: var(--s4); color: var(--ink-80); }

@media (max-width: 900px) {
    .split { grid-template-columns: 1fr; gap: var(--s6); }
    .split.flip .split-text { order: 0; }
    .split-img { aspect-ratio: 16/10; }
}

/* ===== Quote / pull ===== */

.pullquote {
    font-family: var(--serif);
    font-weight: 300;
    font-size: clamp(28px, 3vw, 44px);
    line-height: 1.2;
    letter-spacing: -0.015em;
    color: var(--ink);
    max-width: 900px;
    text-wrap: balance;
}
.pullquote em { color: var(--copper); font-style: italic; }
.pullquote-attr {
    margin-top: var(--s6);
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--ink-60);
    text-transform: uppercase;
}

/* ===== Dark inverted section ===== */

.dark {
    background: var(--ink);
    color: var(--paper);
}
.dark h1, .dark h2, .dark h3, .dark h4 { color: var(--paper); }
.dark p { color: rgba(245, 241, 234, 0.75); }
.dark .eyebrow { color: var(--copper-light); }
.dark .eyebrow::before { background: var(--copper-light); }
.dark .rule { background: rgba(245, 241, 234, 0.14); }
.dark .btn-ghost { color: var(--paper); border-color: rgba(245, 241, 234, 0.3); }
.dark .btn-ghost:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.dark .stat { border-color: rgba(245, 241, 234, 0.14); }
.dark .stat-num { color: var(--paper); }
.dark .stat-label { color: rgba(245, 241, 234, 0.65); }
.dark .stats { border-color: rgba(245, 241, 234, 0.14); }

/* ===== Sector / industry cards ===== */

.sector-list { display: grid; gap: 0; }
.sector-row {
    display: grid;
    grid-template-columns: 80px 2fr 3fr 40px;
    gap: var(--s6);
    padding: var(--s6) 0;
    border-bottom: 1px solid var(--line);
    align-items: center;
    cursor: pointer;
    transition: padding 0.25s;
}
.sector-row:hover { padding-left: var(--s4); }
.sector-row:first-child { border-top: 1px solid var(--line); }
.sector-num {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--ink-40);
    letter-spacing: 0.08em;
}
.sector-row h3 { font-size: clamp(22px, 2.2vw, 32px); }
.sector-row p { font-size: 14px; color: var(--ink-60); }
.sector-arrow {
    width: 36px; height: 36px;
    display: grid; place-items: center;
    border: 1px solid var(--line);
    border-radius: 999px;
    transition: all 0.2s;
}
.sector-row:hover .sector-arrow {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
    transform: rotate(-45deg);
}

@media (max-width: 760px) {
    .sector-row { grid-template-columns: 60px 1fr 36px; gap: var(--s4); }
    .sector-row p { display: none; }
}

/* ===== Tag pills ===== */

.tags { display: flex; flex-wrap: wrap; gap: var(--s2); }
.tag {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.05em;
    padding: 6px 12px;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    color: var(--ink-80);
    background: var(--cream);
    text-transform: uppercase;
}
.dark .tag { background: rgba(245, 241, 234, 0.08); border-color: rgba(245, 241, 234, 0.2); color: var(--paper); }

/* ===== Advisor cards ===== */

.people-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--s7);
}
.person {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: var(--s5);
    padding: var(--s6);
    background: var(--white);
    border: 1px solid var(--line);
    transition: all 0.25s;
}
.person:hover { border-color: var(--ink); box-shadow: 0 24px 48px -24px rgba(14, 28, 43, 0.18); }
.person-img {
    width: 140px; height: 180px;
    background: var(--paper-3);
    overflow: hidden;
    position: relative;
}
.person-img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(15%) contrast(1.02); }
.person-name { font-family: var(--serif); font-size: 22px; font-weight: 400; letter-spacing: -0.01em; margin-bottom: 2px; }
.person-title { font-family: var(--mono); font-size: 11px; color: var(--copper); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: var(--s4); }
.person-bio { font-size: 14px; line-height: 1.55; color: var(--ink-60); }
.person-location { font-family: var(--mono); font-size: 11px; color: var(--ink-40); letter-spacing: 0.08em; margin-top: var(--s4); }

@media (max-width: 880px) {
    .people-grid { grid-template-columns: 1fr; }
    .person { grid-template-columns: 100px 1fr; }
    .person-img { width: 100px; height: 130px; }
}

/* ===== Logo wall / clients ===== */

.logo-wall {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}
.logo-cell {
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: var(--s6) var(--s5);
    display: grid;
    place-items: center;
    aspect-ratio: 3/2;
    font-family: var(--serif);
    font-size: 18px;
    color: var(--ink-60);
    font-style: italic;
    font-weight: 400;
    text-align: center;
    transition: all 0.25s;
}
.logo-cell:hover { background: var(--ink); color: var(--paper); }
@media (max-width: 880px) { .logo-wall { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 500px) { .logo-wall { grid-template-columns: repeat(2, 1fr); } }

/* ===== Contact form ===== */

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--s4);
}
.form-grid .full { grid-column: 1 / -1; }
.field {
    display: flex;
    flex-direction: column;
    gap: var(--s2);
}
.field label {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-60);
}
.field input, .field select, .field textarea {
    font-family: var(--sans);
    font-size: 15px;
    padding: 14px 16px;
    background: var(--white);
    border: 1px solid var(--line-strong);
    border-radius: 2px;
    color: var(--ink);
    transition: border-color 0.2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
    outline: none;
    border-color: var(--ink);
}
.field textarea { min-height: 140px; resize: vertical; font-family: var(--sans); }

/* ===== Footer ===== */

.footer {
    background: var(--ink);
    color: var(--paper);
    padding: var(--s9) 0 var(--s6);
}
.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--s7);
    padding-bottom: var(--s8);
    border-bottom: 1px solid rgba(245, 241, 234, 0.14);
}
.footer-brand .brand { color: var(--paper); }
.footer-brand .brand-sub { color: rgba(245, 241, 234, 0.5); border-color: rgba(245, 241, 234, 0.2); }
.footer-tag {
    font-family: var(--serif);
    font-size: 22px;
    line-height: 1.3;
    font-weight: 300;
    margin-top: var(--s5);
    max-width: 380px;
    color: var(--paper);
    font-style: italic;
}
.footer-col h4 {
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(245, 241, 234, 0.5);
    margin-bottom: var(--s4);
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--s3); font-size: 14px; }
.footer-col a { color: rgba(245, 241, 234, 0.85); transition: color 0.2s; }
.footer-col a:hover { color: var(--copper-light); }

.footer-bottom {
    margin-top: var(--s5);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--s4);
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    color: rgba(245, 241, 234, 0.5);
}

@media (max-width: 780px) {
    .footer-top { grid-template-columns: 1fr 1fr; gap: var(--s6); }
    .footer-brand { grid-column: 1 / -1; }
}

/* ===== Utilities ===== */

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s7); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s6); }
@media (max-width: 900px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.mt-s5 { margin-top: var(--s5); }
.mt-s6 { margin-top: var(--s6); }
.mt-s7 { margin-top: var(--s7); }
.mb-s5 { margin-bottom: var(--s5); }
.mb-s6 { margin-bottom: var(--s6); }

.copper { color: var(--copper); }
.italic { font-style: italic; }

/* ===== Subtle entrance ===== */
@media (prefers-reduced-motion: no-preference) {
    .fade-up { opacity: 0; transform: translateY(16px); transition: opacity 0.7s ease, transform 0.7s ease; }
    .fade-up.in { opacity: 1; transform: translateY(0); }
}