/* ============================================
   Wind Water Engineering Solutions
   Design tokens
   --------------------------------------------
   Ink (dark)        #0D2535
   Ink, deeper       #081B28
   Water blue        #1D4F6E   links, rules, buttons
   Ochre (on dark)   #E0AE68   accent, buttons on ink
   Ochre (on paper)  #85540F   small labels on light
   Paper             #F6F4EE   page background
   Paper, shaded     #EBE8DF   alternate bands
   Text              #1B2A35
   Muted text        #50606B
   Hairline          #CFD4D2
   Avatar tint       #DDE6EA
   All text pairings meet WCAG AA (4.5:1) or better.
   ============================================ */

:root {
    --ink: #0D2535;
    --ink-deep: #081B28;
    --blue: #1D4F6E;
    --ochre: #E0AE68;
    --ochre-dk: #85540F;
    --paper: #F6F4EE;
    --paper-2: #EBE8DF;
    --text: #1B2A35;
    --muted: #50606B;
    --rule: #CFD4D2;
    --tint: #DDE6EA;
    --on-ink: #F6F4EE;
    --on-ink-soft: #B9C7D0;
    --serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
    --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --radius: 4px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--sans);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--text);
    background-color: var(--paper);
    -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; }

/* TYPOGRAPHY */
h1, h2, h3, h4 {
    font-family: var(--serif);
    font-weight: 600;
    line-height: 1.15;
    color: var(--ink);
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.65rem, 3vw, 2.25rem); margin-bottom: 1rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.4rem; }
h4 { font-size: 1rem; }

p { max-width: 65ch; margin-bottom: 1rem; color: var(--text); }

a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; transition: color 0.15s ease; }
a:hover { color: var(--ink); }

:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
.band-ink :focus-visible, .hero :focus-visible, footer :focus-visible { outline-color: var(--ochre); }

.container { width: 90%; max-width: 1180px; margin: 0 auto; }

/* SKIP LINK */
.skip-link {
    position: absolute;
    left: 1rem;
    top: -4rem;
    background: var(--ink);
    color: var(--on-ink);
    padding: 0.6rem 1rem;
    border-radius: var(--radius);
    z-index: 300;
}
.skip-link:focus { top: 1rem; color: var(--on-ink); }

/* BUTTONS */
.btn {
    display: inline-block;
    font-family: var(--sans);
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.2;
    text-decoration: none;
    padding: 0.8rem 1.4rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--ink); color: #fff; }
.btn-secondary { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-secondary:hover { background: var(--ink); color: var(--on-ink); }

.hero .btn-primary, .band-ink .btn-primary { background: var(--ochre); color: var(--ink); }
.hero .btn-primary:hover, .band-ink .btn-primary:hover { background: #fff; color: var(--ink); }
.hero .btn-secondary, .band-ink .btn-secondary { color: var(--on-ink); border-color: var(--on-ink-soft); }
.hero .btn-secondary:hover, .band-ink .btn-secondary:hover { background: var(--on-ink); color: var(--ink); border-color: var(--on-ink); }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.75rem; }

/* ============================================
   HEADER
   ============================================ */
header {
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    min-height: 72px;
}

.logo { display: flex; align-items: center; gap: 0.75rem; }
.logo-img { height: 44px; width: auto; max-width: 160px; object-fit: contain; }
.logo-name {
    font-family: var(--serif);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.01em;
    line-height: 1.15;
}

nav ul { display: flex; align-items: center; gap: 1.75rem; list-style: none; }
nav a {
    color: var(--text);
    font-size: 0.92rem;
    font-weight: 500;
    text-decoration: none;
    padding: 0.35rem 0;
    border-bottom: 2px solid transparent;
    transition: border-color 0.15s ease, color 0.15s ease;
}
nav a:hover { color: var(--ink); border-bottom-color: var(--rule); }
nav a.active { color: var(--ink); border-bottom-color: var(--ochre-dk); }

nav a.btn-login {
    border: 1px solid var(--ink);
    border-radius: var(--radius);
    padding: 0.5rem 1rem;
    color: var(--ink);
    transition: background-color 0.15s ease, color 0.15s ease;
}
nav a.btn-login:hover { background: var(--ink); color: var(--on-ink); border-color: var(--ink); }

.menu-toggle {
    display: none;
    background: none;
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    cursor: pointer;
    padding: 0.85rem 0.7rem;
}
.hamburger, .hamburger::before, .hamburger::after {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    position: relative;
    transition: transform 0.2s ease, background-color 0.2s ease;
}
.hamburger::before, .hamburger::after { content: ''; position: absolute; left: 0; }
.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }
.menu-toggle.active .hamburger { background: transparent; }
.menu-toggle.active .hamburger::before { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active .hamburger::after { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
    .header-flex { position: relative; }
    .menu-toggle { display: block; }
    nav {
        display: none;
        position: absolute;
        top: 100%;
        left: -5.5%;
        right: -5.5%;
        background: var(--paper);
        border-bottom: 1px solid var(--rule);
        padding: 0.5rem 5.5% 1.25rem;
    }
    nav.active { display: block; }
    nav ul { flex-direction: column; align-items: stretch; gap: 0; }
    nav li { border-bottom: 1px solid var(--rule); }
    nav a { display: block; padding: 0.85rem 0; border-bottom: 0; }
    nav li:last-child { border-bottom: 0; padding-top: 1rem; }
    nav a.btn-login { display: inline-block; padding: 0.6rem 1.1rem; }
}

@media (max-width: 480px) {
    .logo-img { height: 36px; max-width: 120px; }
    .logo-name { font-size: 1rem; }
}

/* ============================================
   HERO (home)
   ============================================ */
.hero {
    position: relative;
    overflow: hidden;
    background: var(--ink);
    color: var(--on-ink);
    padding: clamp(4rem, 10vw, 8rem) 0;
}
.hero-art {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    max-width: none;
    pointer-events: none;
}
.hero-content { position: relative; max-width: 640px; }
.hero h1 { color: var(--on-ink); margin-bottom: 1.25rem; }
.hero h1 em { font-style: italic; font-weight: 500; color: var(--ochre); }
.hero .hero-lead { font-size: 1.15rem; color: var(--on-ink); margin-bottom: 0.75rem; }
.hero p { color: var(--on-ink-soft); }
.hero .eyebrow { color: var(--ochre); }

/* ============================================
   PAGE HEADER (inner pages)
   ============================================ */
.page-head {
    padding: clamp(3rem, 7vw, 5.5rem) 0 clamp(2rem, 4vw, 3rem);
    border-bottom: 1px solid var(--rule);
}
.page-head h1 { max-width: 18ch; margin-bottom: 1rem; }
.page-head p { font-size: 1.15rem; color: var(--muted); margin-bottom: 0; }

/* LABELS */
.eyebrow {
    display: block;
    font-family: var(--sans);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ochre-dk);
    margin-bottom: 1rem;
}
.band-ink .eyebrow { color: var(--ochre); }

/* ============================================
   SECTIONS & BANDS
   ============================================ */
.section { padding: clamp(3rem, 7vw, 5.5rem) 0; }
.band-paper2 { background: var(--paper-2); }
.band-ink { background: var(--ink); color: var(--on-ink); }
.band-ink h2, .band-ink h3 { color: var(--on-ink); }
.band-ink p { color: var(--on-ink-soft); }

/* Asymmetric split: label/heading column + content column */
.split {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(1.5rem, 5vw, 4rem);
    align-items: start;
}
.split-head h2 { margin-bottom: 0.75rem; }
.split-head p { color: var(--muted); }
.band-ink .split-head p { color: var(--on-ink-soft); }

@media (max-width: 860px) {
    .split { grid-template-columns: 1fr; }
}

/* Lead paragraph */
.lead {
    font-family: var(--serif);
    font-size: clamp(1.25rem, 2.2vw, 1.6rem);
    line-height: 1.45;
    color: var(--ink);
    max-width: 38ch;
}
.two-col-text {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(1.5rem, 5vw, 4rem);
}
@media (max-width: 860px) {
    .two-col-text { grid-template-columns: 1fr; }
}

/* ============================================
   NUMBERED LISTS (services, identity)
   ============================================ */
.index-list { list-style: none; border-top: 1px solid var(--ink); }

/* Default row (narrow contexts: Identity, Why us): number + title on one
   line, description underneath, aligned with the title. */
.index-item {
    display: grid;
    grid-template-columns: 3rem minmax(0, 1fr);
    column-gap: 1rem;
    row-gap: 0.35rem;
    align-items: baseline;
    padding: 1.4rem 0;
    border-bottom: 1px solid var(--rule);
}
.index-item > * { min-width: 0; }
.index-num {
    font-family: var(--serif);
    font-size: 1.5rem;
    line-height: 1.2;
    color: var(--ochre-dk);
}
.index-item h3 { margin: 0; }
.index-item p { grid-column: 2; margin: 0; color: var(--muted); max-width: 65ch; }

/* Wide row (Services, full-width): number | title | description */
.index-list.wide .index-item {
    grid-template-columns: 3rem minmax(0, 18rem) minmax(0, 1fr);
    column-gap: clamp(1rem, 3vw, 2.5rem);
}
.index-list.wide .index-item h3 { font-size: 1.4rem; }
.index-list.wide .index-item p { grid-column: 3; }

@media (max-width: 860px) {
    .index-list.wide .index-item { grid-template-columns: 3rem minmax(0, 1fr); column-gap: 1rem; }
    .index-list.wide .index-item p { grid-column: 2; }
}

/* ============================================
   VISION / MISSION
   ============================================ */
.statement-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}
.statement { padding: 0 clamp(1.5rem, 4vw, 3rem) 0 0; }
.statement + .statement { padding: 0 0 0 clamp(1.5rem, 4vw, 3rem); border-left: 1px solid rgba(185, 199, 208, 0.35); }
.statement h2 { font-size: 1.5rem; }
.statement p { font-size: 1.05rem; }
@media (max-width: 860px) {
    .statement-grid { grid-template-columns: 1fr; }
    .statement { padding: 0 0 2rem; }
    .statement + .statement { padding: 2rem 0 0; border-left: 0; border-top: 1px solid rgba(185, 199, 208, 0.35); }
}

/* ============================================
   TEAM
   ============================================ */
.team-grid {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
}
.team-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 1.25rem 0 0.5rem;
    border-top: 1px solid var(--ink);
}
.team-avatar {
    width: 52px;
    height: 52px;
    border-radius: var(--radius);
    background: var(--tint);
    color: var(--ink);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--serif);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 1rem;
    flex-shrink: 0;
}
.team-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.2rem; }
.team-role { font-size: 0.92rem; font-weight: 500; color: var(--ochre-dk); margin-bottom: 0.3rem; }
.team-qual { font-size: 0.88rem; color: var(--muted); margin-bottom: 0; }

/* ============================================
   PROJECTS LIST
   ============================================ */
.project-list { list-style: none; border-top: 1px solid var(--ink); }
.project-row {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 0.25rem clamp(1rem, 4vw, 3rem);
    padding: 1rem 0.5rem;
    border-bottom: 1px solid var(--rule);
    align-items: baseline;
}
.project-row h3 { font-family: var(--sans); font-size: 1rem; font-weight: 600; margin: 0; line-height: 1.4; }
.project-row p { color: var(--muted); margin: 0; font-size: 0.95rem; max-width: none; }
.project-row:hover { background: var(--paper-2); }

@media (max-width: 640px) {
    .project-row { grid-template-columns: 1fr; }
}

/* ============================================
   CONTACT
   ============================================ */
.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(1.5rem, 5vw, 4rem);
    align-items: start;
}
.detail-list { border-top: 1px solid var(--ink); }
.detail-row {
    display: grid;
    grid-template-columns: 6.5rem minmax(0, 1fr);
    gap: 1rem;
    padding: 0.95rem 0;
    border-bottom: 1px solid var(--rule);
}
.detail-row dt { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ochre-dk); padding-top: 0.2rem; }
.detail-row dd { margin: 0; overflow-wrap: anywhere; }

.office-map {
    display: block;
    width: 100%;
    height: 340px;
    border: 1px solid var(--rule);
    border-radius: var(--radius);
    margin-bottom: 1rem;
}
.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}
.social-link svg { flex-shrink: 0; }

@media (max-width: 860px) {
    .contact-layout { grid-template-columns: 1fr; }
    .office-map { height: 260px; }
}

/* COMING SOON */
.coming-soon { max-width: 560px; }
.coming-soon h2 { font-size: 2rem; }

/* ============================================
   CTA BAND
   ============================================ */
.cta { padding: clamp(3rem, 6vw, 4.5rem) 0; }
.cta-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem 3rem;
}
.cta h2 { margin-bottom: 0.5rem; }
.cta p { margin-bottom: 0; }

/* ============================================
   FOOTER
   ============================================ */
footer {
    background: var(--ink-deep);
    color: var(--on-ink-soft);
    padding: 3.5rem 0 2rem;
    font-size: 0.95rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 3fr) minmax(0, 4fr);
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}
.footer-col h4 {
    font-family: var(--sans);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ochre);
    margin-bottom: 1rem;
}
.footer-col p, .footer-col li { color: var(--on-ink-soft); line-height: 1.9; margin-bottom: 0; }
.footer-col a { color: var(--on-ink-soft); text-decoration: none; }
.footer-col a:hover { color: #fff; text-decoration: underline; }
.footer-list { list-style: none; }
.footer-bottom { border-top: 1px solid rgba(185, 199, 208, 0.25); padding-top: 1.5rem; font-size: 0.85rem; }
.footer-bottom p { color: var(--on-ink-soft); margin: 0; }

@media (max-width: 860px) {
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* ============================================
   MOTION & PRINT
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; animation: none !important; }
}

@media print {
    header, footer, .cta, .skip-link, .hero-art, .office-map { display: none; }
    body { background: #fff; color: #000; }
    .hero { background: none; color: #000; padding: 1rem 0; }
    .hero h1, .hero p { color: #000; }
    .container { width: 100%; max-width: none; }
}

/* Small layout helpers */
.logo { text-decoration: none; }
.section-head { margin-bottom: 2.5rem; }
.after-list { margin-top: 2rem; }
.muted-text { color: var(--muted); }
.map-note { margin-top: 1rem; font-size: 0.875rem; color: var(--muted); }

/* Short statement beside a section heading (e.g. live monitoring) */
.lead-sm { font-family: var(--serif); font-size: 1.35rem; line-height: 1.5; color: var(--on-ink); max-width: 40ch; }