/* ==========================================================================
   Kwalio Homes — shared design system
   Palette, typography, chrome (nav/footer/modal) and motion primitives.
   Loaded on every page; page-specific layout builds on these classes.
   ========================================================================== */

:root {
    --cream: #F4F1EA;
    --cream-2: #EDE7DA;
    --cream-3: #E3DBCB;
    --ink: #2D2D2D;
    --ink-deep: #1B1A18;
    --ink-soft: #4A463F;
    --muted: #6B6459;
    --bronze: #A67C52;
    --bronze-deep: #8E6843;
    --bronze-light: #C9A57B;
    --bronze-text: #7E5A34;
    --gold: #C9A227;
    --line: rgba(45, 45, 45, 0.14);
    --line-light: rgba(255, 255, 255, 0.22);
    --shell: min(1280px, 90vw);
    --shell-wide: min(1560px, 94vw);
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-soft: cubic-bezier(0.22, 0.61, 0.36, 1);
    --nav-h: 84px;
    --organic: 60px 0 60px 0;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: calc(var(--nav-h) + 16px);
}

@media (prefers-reduced-motion: no-preference) {
    html { scroll-behavior: smooth; }
}

body {
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
    background-color: var(--cream);
    color: var(--ink);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

h1, h2, h3, h4, .display {
    font-family: 'Syne', sans-serif;
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

::selection { background: var(--bronze); color: #fff; }

a { text-decoration: none; }

:focus-visible {
    outline: 2px solid var(--bronze);
    outline-offset: 3px;
}

.skip-link {
    position: absolute;
    left: 50%;
    top: 8px;
    transform: translate(-50%, -200%);
    background: var(--ink);
    color: #fff;
    padding: 12px 20px;
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    z-index: 200;
    transition: transform 0.3s var(--ease);
}
.skip-link:focus { transform: translate(-50%, 0); }

/* ---------- Typographic primitives ---------- */

.shell { width: var(--shell); margin-inline: auto; }
.shell-wide { width: var(--shell-wide); margin-inline: auto; }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.85em;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.34em;
    text-transform: uppercase;
    color: var(--bronze-text);
}
.eyebrow::before {
    content: '';
    width: 34px;
    height: 1px;
    background: currentColor;
    display: inline-block;
}
.eyebrow--light { color: var(--bronze-light); }
.eyebrow--plain::before { display: none; }

.display {
    font-size: clamp(2.6rem, 5.6vw, 5rem);
    line-height: 0.98;
    font-weight: 800;
}
.h2 {
    font-size: clamp(2rem, 4.4vw, 3.5rem);
    line-height: 1.02;
    font-weight: 700;
}
.h3 {
    font-size: clamp(1.35rem, 2.2vw, 1.9rem);
    line-height: 1.08;
    font-weight: 700;
}
.lede {
    font-size: clamp(1rem, 1.25vw, 1.15rem);
    line-height: 1.85;
    font-weight: 300;
    color: var(--ink-soft);
}
.muted { color: var(--muted); }
.serif {
    font-family: 'Instrument Serif', Georgia, serif;
    font-style: italic;
    text-transform: none;
    letter-spacing: 0;
}

/* ---------- Buttons & links ---------- */

.k-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.85em;
    padding: 1.12em 2em;
    font-size: 0.64rem;
    font-weight: 700;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    border: 1px solid transparent;
    background: transparent;
    color: inherit;
    overflow: hidden;
    isolation: isolate;
    transition: color 0.45s var(--ease), border-color 0.45s var(--ease);
}
.k-btn > * { position: relative; z-index: 1; }
.k-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    transform: translate3d(0, 101%, 0);
    transition: transform 0.55s var(--ease);
}
.k-btn:hover::after,
.k-btn:focus-visible::after { transform: translate3d(0, 0, 0); }
.k-btn .arrow { transition: transform 0.45s var(--ease); }
.k-btn:hover .arrow { transform: translate3d(6px, 0, 0); }

.k-btn--light { background: var(--cream); color: var(--ink); }
.k-btn--light::after { background: var(--bronze); }
.k-btn--light:hover { color: #fff; }

.k-btn--gold { background: var(--bronze); color: #fff; }
.k-btn--gold::after { background: var(--ink-deep); }

.k-btn--ink { background: var(--ink); color: #fff; }
.k-btn--ink::after { background: var(--bronze); }

.k-btn--outline-light { border-color: rgba(255, 255, 255, 0.5); color: #fff; }
.k-btn--outline-light::after { background: var(--cream); }
.k-btn--outline-light:hover { color: var(--ink); border-color: var(--cream); }

.k-btn--outline-ink { border-color: var(--line); color: var(--ink); }
.k-btn--outline-ink::after { background: var(--ink); }
.k-btn--outline-ink:hover { color: #fff; border-color: var(--ink); }

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.7em;
    font-size: 0.64rem;
    font-weight: 700;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--ink);
    border-bottom: 1px solid transparent;
    padding-bottom: 4px;
    transition: color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.link-arrow .arrow { transition: transform 0.45s var(--ease); }
.link-arrow:hover { color: var(--bronze-text); border-color: var(--bronze); }
.link-arrow:hover .arrow { transform: translate3d(6px, 0, 0); }
.link-arrow--light { color: #fff; }
.link-arrow--light:hover { color: var(--bronze-light); border-color: var(--bronze-light); }

/* ---------- Navigation ---------- */

.k-nav {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 96;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 20px clamp(18px, 4vw, 46px);
    color: var(--ink);
    transition: padding 0.5s var(--ease), background 0.5s var(--ease),
        box-shadow 0.5s var(--ease), color 0.4s var(--ease);
}
.k-nav::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(180deg, rgba(16, 15, 14, 0.55), rgba(16, 15, 14, 0));
    opacity: 1;
    transition: opacity 0.6s var(--ease);
    pointer-events: none;
}
.k-nav.is-solid {
    padding-block: 11px;
    background: rgba(244, 241, 234, 0.9);
    -webkit-backdrop-filter: blur(16px) saturate(140%);
    backdrop-filter: blur(16px) saturate(140%);
    box-shadow: 0 1px 0 var(--line);
    color: var(--ink);
}
.k-nav.is-solid::before { opacity: 0; }
.k-nav:not(.k-nav--over-hero)::before { opacity: 0; }
.k-nav.menu-open::before { opacity: 0; }
.k-nav.menu-open { background: var(--cream); box-shadow: none; }

.k-nav--over-hero { color: #fff; }

.k-nav__brand {
    display: flex;
    align-items: center;
    flex: 0 0 auto;
    position: relative;
}
.k-nav__brand img { height: 40px; width: auto; display: block; transition: opacity 0.4s var(--ease), transform 0.5s var(--ease); }
.k-nav.is-solid .k-nav__brand img { height: 34px; }
.k-nav__brand .logo--light { position: absolute; inset: 0; opacity: 0; }
.k-nav--over-hero:not(.is-solid) .logo--dark { opacity: 0; }
.k-nav--over-hero:not(.is-solid) .logo--light { opacity: 1; }

.k-nav__links {
    display: none;
    align-items: center;
    gap: clamp(1rem, 2vw, 2.1rem);
    list-style: none;
    margin: 0;
    padding: 0;
}
.k-nav__links a {
    position: relative;
    display: inline-block;
    padding: 6px 0;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: inherit;
    opacity: 0.82;
    transition: opacity 0.35s var(--ease), color 0.35s var(--ease);
}
.k-nav__links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    height: 1px;
    width: 100%;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.45s var(--ease);
}
.k-nav__links a:hover { opacity: 1; }
.k-nav__links a:hover::after { transform: scaleX(1); }
.k-nav__links a[aria-current='page'] { opacity: 1; color: var(--bronze-text); }
.k-nav__links a[aria-current='page']::after { transform: scaleX(1); }
.k-nav--over-hero:not(.is-solid) .k-nav__links a[aria-current='page'] { color: #fff; }

.k-nav.is-solid .k-nav__cta,
.k-nav.menu-open .k-nav__cta,
.k-nav:not(.k-nav--over-hero) .k-nav__cta {
    border-color: rgba(45, 45, 45, 0.28);
    color: var(--ink);
}
.k-nav.is-solid .k-nav__cta::after,
.k-nav.menu-open .k-nav__cta::after,
.k-nav:not(.k-nav--over-hero) .k-nav__cta::after { background: var(--ink); }
.k-nav.is-solid .k-nav__cta:hover,
.k-nav.menu-open .k-nav__cta:hover,
.k-nav:not(.k-nav--over-hero) .k-nav__cta:hover {
    color: #fff;
    border-color: var(--ink);
}

.k-nav__cta { display: none; }

.k-nav__toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 0 8px;
    border: 1px solid currentColor;
    border-color: rgba(255, 255, 255, 0.4);
    background: transparent;
    cursor: pointer;
    z-index: 97;
}
.k-nav:not(.k-nav--over-hero) .k-nav__toggle,
.k-nav.is-solid .k-nav__toggle,
.k-nav.menu-open .k-nav__toggle { border-color: var(--line); }

.k-nav.menu-open { color: var(--ink); }
.k-nav--over-hero.menu-open .logo--dark { opacity: 1; }
.k-nav--over-hero.menu-open .logo--light { opacity: 0; }
.k-nav__toggle span {
    display: block;
    height: 1px;
    width: 100%;
    background: currentColor;
    transition: transform 0.4s var(--ease), opacity 0.3s;
}
.k-nav__toggle[aria-expanded='true'] span:nth-child(1) { transform: translateY(3px) rotate(45deg); }
.k-nav__toggle[aria-expanded='true'] span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }

@media (min-width: 1024px) {
    .k-nav__links { display: flex; }
    .k-nav__cta { display: inline-flex; }
    .k-nav__toggle { display: none; }
}

@media (min-width: 1024px) and (max-width: 1180px) {
    .k-nav { padding-inline: 24px; gap: 1rem; }
    .k-nav__links { gap: 0.9rem; }
    .k-nav__links a { font-size: 9px; letter-spacing: 0.16em; }
    .k-nav__cta { padding: 0.95em 1.2em; font-size: 0.56rem; letter-spacing: 0.18em; }
}

/* scroll progress */
.k-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 100%;
    transform: scaleX(0);
    transform-origin: left;
    background: linear-gradient(90deg, var(--bronze), var(--gold));
    z-index: 100;
    pointer-events: none;
}

/* mobile overlay */
.k-menu {
    position: fixed;
    inset: 0;
    z-index: 95;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 96px clamp(24px, 8vw, 64px) 48px;
    background: var(--cream);
    color: var(--ink);
    visibility: hidden;
    opacity: 0;
    transform: translate3d(0, -12px, 0);
    transition: opacity 0.45s var(--ease), transform 0.45s var(--ease), visibility 0.45s;
}
.k-menu.is-open { visibility: visible; opacity: 1; transform: none; }
.k-menu__links { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.15rem; }
.k-menu__links a {
    display: block;
    padding: 0.4rem 0;
    font-family: 'Syne', sans-serif;
    font-size: clamp(1.5rem, 7vw, 2rem);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -0.01em;
    color: var(--ink);
    opacity: 0;
    transform: translate3d(0, 18px, 0);
    transition: opacity 0.5s var(--ease), transform 0.5s var(--ease), color 0.3s;
}
.k-menu__links a[aria-current='page'] { color: var(--bronze); }
.k-menu.is-open .k-menu__links a { opacity: 1; transform: none; }
.k-menu__links li:nth-child(1) a { transition-delay: 0.06s; }
.k-menu__links li:nth-child(2) a { transition-delay: 0.1s; }
.k-menu__links li:nth-child(3) a { transition-delay: 0.14s; }
.k-menu__links li:nth-child(4) a { transition-delay: 0.18s; }
.k-menu__links li:nth-child(5) a { transition-delay: 0.22s; }
.k-menu__links li:nth-child(6) a { transition-delay: 0.26s; }
.k-menu__links li:nth-child(7) a { transition-delay: 0.3s; }
.k-menu__foot {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--line);
    display: grid;
    gap: 0.9rem;
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
}
.k-menu__foot a { color: var(--ink); }
body.menu-open { overflow: hidden; }

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

.k-footer {
    background: #fff;
    padding: clamp(56px, 7vw, 96px) 0 32px;
    border-top: 1px solid rgba(45, 45, 45, 0.08);
}
.k-footer__grid {
    display: grid;
    gap: clamp(2.5rem, 5vw, 4.5rem);
    grid-template-columns: 1fr;
}
.k-footer__brand h3 { font-size: 1.55rem; margin: 0 0 1rem; letter-spacing: 0.02em; }
.k-footer__brand p { color: var(--muted); font-size: 0.82rem; line-height: 1.95; max-width: 28ch; }
.k-footer__meta {
    margin: 1.5rem 0;
    font-size: 0.72rem;
    line-height: 1.9;
    color: var(--ink-soft);
}
.k-footer__meta strong { font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; display: block; color: var(--muted); }
.k-footer__meta a { color: var(--ink); transition: color 0.3s; }
.k-footer__meta a:hover { color: var(--bronze); }
.k-footer__social { display: flex; gap: 1rem; }
.k-footer__social a, .k-footer__social button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border: 1px solid var(--line);
    color: var(--ink);
    background: transparent;
    cursor: pointer;
    transition: color 0.35s, border-color 0.35s, transform 0.35s var(--ease);
}
.k-footer__social a:hover, .k-footer__social button:hover { transform: translateY(-2px); }
.k-footer__col h4 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ink);
    margin: 0 0 1.35rem;
}
.k-footer__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.85rem; }
.k-footer__col a, .k-footer__col li {
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
    transition: color 0.3s;
}
.k-footer__col a:hover { color: var(--ink); }
.k-footer__bar {
    margin-top: clamp(2.5rem, 5vw, 4rem);
    padding-top: 1.5rem;
    border-top: 1px solid rgba(45, 45, 45, 0.08);
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;
    justify-content: space-between;
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
}
@media (min-width: 768px) {
    .k-footer__grid { grid-template-columns: 1.4fr 1fr 1fr; }
}
@media (min-width: 1100px) {
    .k-footer__grid { grid-template-columns: 1.6fr 0.8fr 0.8fr 0.9fr; }
}

/* ---------- WhatsApp modal ---------- */

.k-modal {
    position: fixed;
    inset: 0;
    z-index: 120;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: rgba(20, 19, 17, 0.55);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s var(--ease), visibility 0.35s;
}
.k-modal.is-open { opacity: 1; visibility: visible; }
.k-modal__card {
    position: relative;
    width: 100%;
    max-width: 24rem;
    background: #fff;
    border-radius: 18px;
    padding: 2rem;
    box-shadow: 0 40px 80px -30px rgba(20, 19, 17, 0.55);
    transform: translateY(14px) scale(0.98);
    transition: transform 0.4s var(--ease);
}
.k-modal.is-open .k-modal__card { transform: none; }
.k-modal__close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    transition: color 0.3s;
}
.k-modal__close:hover { color: var(--ink); }
.k-modal__icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.12);
    color: #1faa53;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.85rem;
}
.k-modal h3 { font-size: 1.15rem; margin: 0; }
.k-modal__sub { font-size: 0.72rem; color: var(--muted); margin: 0.4rem 0 1.4rem; }
.k-modal__list { display: grid; gap: 0.7rem; }
.k-modal__line {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.95rem 1.1rem;
    border: 1px solid #E9E6E0;
    border-radius: 12px;
    background: #FAF9F6;
    transition: background 0.35s, color 0.35s, border-color 0.35s, transform 0.35s var(--ease);
}
.k-modal__line { color: var(--ink); }
.k-modal__line:hover { background: #25D366; color: #fff; border-color: #25D366; transform: translateY(-2px); }
.k-modal__line small { display: block; font-size: 0.68rem; opacity: 0.65; }
.k-modal__line strong { font-size: 0.82rem; }
.k-modal__line span { font-size: 0.6rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }

/* ---------- Motion primitives ---------- */

html.motion [data-reveal] {
    opacity: 0;
    transform: translate3d(0, 26px, 0);
    transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
    transition-delay: var(--d, 0s);
}
html.motion [data-reveal='fade'] { transform: none; }
html.motion [data-reveal='left'] { transform: translate3d(-28px, 0, 0); }
html.motion [data-reveal='right'] { transform: translate3d(28px, 0, 0); }
html.motion [data-reveal].is-in {
    opacity: 1;
    transform: none;
}

html.motion .mask-line {
    display: block;
    overflow: hidden;
    padding-bottom: 0.06em;
}
html.motion .mask-line > span {
    display: block;
    transform: translate3d(0, 112%, 0);
    transition: transform 1.05s var(--ease);
    transition-delay: var(--d, 0s);
}
html.motion .is-in .mask-line > span,
html.motion .mask-line.is-in > span {
    transform: none;
}

html.motion .media-reveal {
    clip-path: inset(0 0 100% 0);
    transition: clip-path 1.2s var(--ease);
    transition-delay: var(--d, 0s);
}
html.motion .media-reveal.is-in { clip-path: inset(0 0 0 0); }

.media {
    position: relative;
    overflow: hidden;
    background: var(--cream-3);
}
.media > img,
.media > picture > img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1.4s var(--ease), filter 1s var(--ease);
}
.media--zoom:hover > img,
.media--zoom:hover > picture > img { transform: scale(1.055); }

.marquee {
    position: relative;
    overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}
.marquee__track {
    display: flex;
    gap: 1rem;
    width: max-content;
    animation: k-marquee var(--speed, 60s) linear infinite;
    will-change: transform;
}
.marquee--reverse .marquee__track { animation-direction: reverse; }
.marquee:hover .marquee__track,
.marquee:focus-within .marquee__track { animation-play-state: paused; }
@keyframes k-marquee {
    to { transform: translate3d(-50%, 0, 0); }
}

html.motion [data-parallax] {
    will-change: transform;
    transform: translate3d(0, calc(var(--py, 0) * 1px), 0);
}

/* ---------- Reveal defaults for reduced motion / no-JS ---------- */

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        transition-delay: 0ms !important;
    }
    [data-reveal], .mask-line > span, .media-reveal {
        opacity: 1 !important;
        transform: none !important;
        clip-path: none !important;
    }
    .marquee__track { animation: none !important; }
}

/* ---------- Small utilities shared by pages ---------- */

.organic-image { border-radius: var(--organic); }
.hairline { width: 64px; height: 1px; background: var(--bronze); }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ---------- Page scaffolding ---------- */

/* Fixed header spacer for interior pages */
.page-top { padding-top: calc(var(--nav-h) + clamp(20px, 4vw, 48px)); }

/* ---------- Concept / unbuilt visualisation placeholder ---------- */

.concept-media {
    position: relative;
    overflow: hidden;
    border-radius: var(--organic);
    background: var(--cream-3);
    isolation: isolate;
}
.concept-media > img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: blur(34px) saturate(0.8);
    transform: scale(1.25);
    user-select: none;
    pointer-events: none;
}
.concept-media__tag {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    padding: 0.95em 1.6em;
    background: rgba(244, 241, 234, 0.95);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--ink);
    white-space: nowrap;
    text-align: center;
}

/* Contact-only footer column aligns with its neighbours' link rows */
@media (min-width: 768px) and (max-width: 1099px) {
    .k-footer__col--contact { grid-column: 3; }
}
@media (min-width: 1100px) {
    .k-footer__col--contact { padding-top: 2.35rem; }
}