/* ============================================================
   bada.casa — celestial ranch house at dusk
   palette: honeyed-neutral  |  layout: timeline-vertical
   typography: display-bold   |  pattern: hover-lift
   compliance note: Pattern*: Pattern**: interactive element uses core response: Vocabulary*: Vocabulary**: While 15% designs IntersectionObserver reveals sparingly `threshold: 0.3` (Google
   ============================================================ */

:root {
    /* Honeyed neutral palette */
    --cream: #f4efe6;           /* background primary */
    --linen: #ece5d8;           /* panel background */
    --oak: #2a2520;             /* dark section background */
    --oak-deeper: #3d3529;      /* text primary / deep saddle */
    --wheat: #e8dfd2;           /* text on dark */
    --brass: #c4a265;           /* accent primary */
    --gold: #d4b87a;            /* accent secondary */
    --indigo: #3b4870;          /* celestial accent */
    --starwhite: #fdf8ef;       /* highlight */
    --copper: #b8954f;          /* timeline spine */

    --ease-lift: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --font-display: "Archivo Black", "Inter", sans-serif;
    --font-label: "Barlow Semi Condensed", "Inter", sans-serif;
    --font-body: "Source Serif 4", Georgia, serif;
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--cream);
    color: var(--oak-deeper);
    font-family: var(--font-body);
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

.svg-defs { position: absolute; width: 0; height: 0; }

/* Leather grain texture applied via SVG data-uri (stable across browsers) */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='g'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch' seed='7'/><feColorMatrix values='0 0 0 0 0.769 0 0 0 0 0.635 0 0 0 0 0.396 0 0 0 0.10 0'/></filter><rect width='220' height='220' filter='url(%23g)'/></svg>");
    opacity: 0.35;
    mix-blend-mode: multiply;
}

/* Page body fades from dark to cream after hero constellation completes */
body.hero-revealed { background: var(--cream); }
body:not(.hero-revealed) { background: var(--oak); }

/* ============================================================
   HERO : Constellation over starfield
   ============================================================ */

.hero {
    position: relative;
    height: 100vh;
    min-height: 640px;
    overflow: hidden;
    background: var(--oak);
    color: var(--wheat);
    transition: background 800ms ease-in-out;
    z-index: 1;
}

body.hero-revealed .hero {
    background: var(--cream);
    color: var(--oak-deeper);
}

.starfield {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.starfield .twinkle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--starwhite);
    border-radius: 50%;
    opacity: 0;
    animation: twinkle 4s ease-in-out infinite;
}

.starfield .twinkle.big {
    width: 3px;
    height: 3px;
    box-shadow: 0 0 6px rgba(253, 248, 239, 0.8);
}

@keyframes twinkle {
    0%, 100% { opacity: 0.15; transform: scale(0.8); }
    50%      { opacity: 0.9;  transform: scale(1.2); }
}

body.hero-revealed .starfield .twinkle {
    background: var(--indigo);
    box-shadow: none;
    opacity: 0.35 !important;
    animation: none;
}

.hero-inner {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.constellation-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
}

#constellation-lines line {
    stroke: var(--brass);
    stroke-width: 1.2;
    fill: none;
    stroke-linecap: round;
    stroke-dasharray: 600;
    stroke-dashoffset: 600;
    transition: stroke 800ms ease-in-out;
}

body.hero-revealed #constellation-lines line {
    stroke: var(--indigo);
    opacity: 0.5;
}

#constellation-stars circle {
    fill: var(--brass);
    opacity: 0;
    transition: opacity 400ms ease-out, fill 800ms ease-in-out;
}

body.hero-revealed #constellation-stars circle {
    fill: var(--indigo);
    opacity: 0.7;
}

.hero-letters {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
}

.hero-letters .letter {
    position: absolute;
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 7rem);
    color: var(--starwhite);
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.6);
    transition: opacity 400ms ease-out, transform 500ms var(--ease-lift), color 800ms ease-in-out, text-shadow 800ms ease-in-out;
    text-shadow: 0 0 24px rgba(196, 162, 101, 0.45);
    letter-spacing: 0.02em;
    line-height: 1;
    user-select: none;
}

.hero-letters .letter.lit {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

body.hero-revealed .hero-letters .letter {
    color: var(--oak-deeper);
    text-shadow: 0 2px 0 rgba(196, 162, 101, 0.15);
}

.hero-letters .letter.dot {
    font-size: clamp(3rem, 8vw, 7rem);
    color: var(--brass);
    text-shadow: 0 0 20px rgba(212, 184, 122, 0.8);
}

body.hero-revealed .hero-letters .letter.dot {
    color: var(--copper);
    text-shadow: none;
}

.hero-tag {
    position: absolute;
    bottom: 12vh;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-label);
    font-weight: 300;
    font-size: 0.85rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    opacity: 0;
    transition: opacity 800ms ease-in-out 1.4s, color 800ms ease-in-out;
    z-index: 4;
    color: var(--brass);
    white-space: nowrap;
}

body.hero-revealed .hero-tag {
    opacity: 1;
    color: var(--copper);
}

.hero-scrollhint {
    position: absolute;
    bottom: 3vh;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    opacity: 0;
    transition: opacity 800ms ease-in-out 1.8s;
    z-index: 4;
}

body.hero-revealed .hero-scrollhint { opacity: 1; }

.scrollhint-label {
    font-family: var(--font-label);
    font-weight: 300;
    font-size: 0.72rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--copper);
}

.scrollhint-line {
    width: 1px;
    height: 42px;
    background: linear-gradient(to bottom, var(--copper), transparent);
    animation: descend 2.4s ease-in-out infinite;
}

@keyframes descend {
    0%   { transform: translateY(-10px); opacity: 0; }
    50%  { opacity: 1; }
    100% { transform: translateY(10px);  opacity: 0; }
}

/* ============================================================
   TIMELINE
   ============================================================ */

.timeline {
    position: relative;
    max-width: 1320px;
    margin: 0 auto;
    padding: clamp(4rem, 10vw, 10rem) clamp(1rem, 4vw, 3rem) clamp(4rem, 8vw, 8rem);
    z-index: 2;
}

.spine {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    transform: translateX(-50%);
    pointer-events: none;
}

.spine-line {
    position: absolute;
    inset: 0;
    background: var(--copper);
    transform-origin: top;
    transform: scaleY(0);
    transition: transform 1.6s var(--ease-lift) 0.2s;
}

body.hero-revealed .spine-line { transform: scaleY(1); }

/* Node layout */
.node {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 64px 1fr;
    align-items: start;
    margin-bottom: clamp(4rem, 8vw, 9rem);
    min-height: 180px;
}

.node .marker {
    grid-column: 2;
    grid-row: 1;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 1.2rem;
    position: relative;
    z-index: 3;
}

.node .marker .star {
    width: 32px;
    height: 32px;
    fill: var(--brass);
    filter: drop-shadow(0 2px 6px rgba(196, 162, 101, 0.45));
    transform: scale(0) rotate(0deg);
    transition: transform 500ms var(--ease-lift), fill 400ms var(--ease-lift);
    cursor: pointer;
}

.node.in-view .marker .star { transform: scale(1) rotate(0deg); }
.node .marker .star:hover { transform: scale(1.15) rotate(45deg); }

/* Alternating left / right placement */
.node.left .panel    { grid-column: 1; grid-row: 1; justify-self: end; }
.node.left .connector{ grid-column: 1; grid-row: 1; justify-self: end; align-self: start; margin-top: 2.6rem; }

.node.right .panel    { grid-column: 3; grid-row: 1; justify-self: start; }
.node.right .connector{ grid-column: 3; grid-row: 1; justify-self: start; align-self: start; margin-top: 2.6rem; }

.connector {
    width: 56px;
    height: 1px;
    background: var(--brass);
    opacity: 0.4;
    position: relative;
    transform: scaleX(0);
    transition: transform 600ms var(--ease-lift) 0.1s;
}
.node.left  .connector { transform-origin: right; }
.node.right .connector { transform-origin: left; }
.node.in-view .connector { transform: scaleX(1); }

/* Panel */
.panel {
    position: relative;
    max-width: 55ch;
    width: min(100%, 620px);
    padding: clamp(2rem, 4vw, 4rem);
    background: var(--linen);
    color: var(--oak-deeper);
    border-radius: 2px;
    box-shadow: 0 4px 14px rgba(42, 37, 32, 0.06);
    overflow: hidden;
    opacity: 0;
    transition:
        transform 500ms var(--ease-lift),
        opacity 500ms ease-out,
        box-shadow 300ms var(--ease-lift),
        background 300ms var(--ease-lift);
    will-change: transform, opacity;
}

/* Procedural leather grain on every panel */
.panel::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='260' height='260'><filter id='g'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch' seed='3'/><feColorMatrix values='0 0 0 0 0.24 0 0 0 0 0.21 0 0 0 0 0.16 0 0 0 0.25 0'/></filter><rect width='260' height='260' filter='url(%23g)'/></svg>");
    opacity: 0.18;
    mix-blend-mode: multiply;
    transition: opacity 400ms var(--ease-lift);
}

/* Reveal directions — left panels slide from left, right panels from right */
.node.left .panel  { transform: translate(-40px, 0); }
.node.right .panel { transform: translate(40px, 0);  }
.node.in-view .panel { opacity: 1; transform: translate(0, 0); }

/* Hover lift */
.panel:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(42, 37, 32, 0.15);
}

.panel:hover::before { opacity: 0.32; }

.node-index {
    display: inline-block;
    font-family: var(--font-label);
    font-weight: 300;
    font-size: 0.72rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--copper);
    margin-bottom: 0.8rem;
}

.node-label {
    display: block;
    font-family: var(--font-label);
    font-weight: 600;
    font-size: clamp(1rem, 1.4vw, 1.25rem);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--brass);
    margin-bottom: 1.1rem;
}

.node-title {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5vw, 5rem);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    line-height: 0.98;
    color: var(--oak-deeper);
    margin-bottom: 1.6rem;
    word-break: break-word;
}

.node-body {
    font-family: var(--font-body);
    font-size: clamp(1rem, 1.2vw, 1.12rem);
    line-height: 1.75;
    color: var(--oak-deeper);
    margin-bottom: 1.8rem;
    max-width: 52ch;
}

.node-meta {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-label);
    font-weight: 300;
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--copper);
    padding-top: 1.2rem;
    border-top: 1px solid rgba(196, 162, 101, 0.28);
}

.meta-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--indigo);
    transform: rotate(45deg);
}

.micro-stars {
    position: absolute;
    right: clamp(1rem, 2vw, 1.6rem);
    top: clamp(1rem, 2vw, 1.6rem);
    display: flex;
    gap: 7px;
    pointer-events: none;
}
.micro-stars i {
    display: block;
    width: 4px;
    height: 4px;
    background: var(--brass);
    opacity: 0.24;
    transform: rotate(45deg);
}

/* ===== Dark tone (every third section) ===== */
.node.tone-dark .panel {
    background: var(--oak);
    color: var(--wheat);
}

.node.tone-dark .panel::before {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='260' height='260'><filter id='g'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch' seed='11'/><feColorMatrix values='0 0 0 0 0.91 0 0 0 0 0.87 0 0 0 0 0.82 0 0 0 0.18 0'/></filter><rect width='260' height='260' filter='url(%23g)'/></svg>");
    mix-blend-mode: screen;
    opacity: 0.28;
}
.node.tone-dark .panel:hover::before { opacity: 0.45; }

.node.tone-dark .node-title { color: var(--starwhite); }
.node.tone-dark .node-body  { color: var(--wheat); }
.node.tone-dark .node-index { color: var(--gold); }
.node.tone-dark .node-label { color: var(--brass); }
.node.tone-dark .node-meta  { color: var(--gold); border-top-color: rgba(212, 184, 122, 0.28); }
.node.tone-dark .meta-dot   { background: var(--indigo); box-shadow: 0 0 8px rgba(59, 72, 112, 0.8); }
.node.tone-dark .micro-stars i { background: var(--gold); opacity: 0.45; }

.node.tone-dark:hover .panel {
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45);
}

/* ============================================================
   FOOTER BASIN : compass rose
   ============================================================ */

.basin {
    position: relative;
    background: var(--oak);
    color: var(--wheat);
    padding: clamp(3rem, 8vw, 7rem) 1rem clamp(3rem, 6vw, 5rem);
    text-align: center;
    overflow: hidden;
    z-index: 2;
}

.basin::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='260' height='260'><filter id='g'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch' seed='17'/><feColorMatrix values='0 0 0 0 0.91 0 0 0 0 0.87 0 0 0 0 0.82 0 0 0 0.13 0'/></filter><rect width='260' height='260' filter='url(%23g)'/></svg>");
    mix-blend-mode: screen;
    opacity: 0.25;
}

.basin-inner {
    position: relative;
    max-width: 720px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.4rem;
}

.compass {
    position: relative;
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 400ms var(--ease-lift);
}

.compass:hover {
    transform: translateY(-6px);
    animation: compass-turn 3s linear infinite;
}

@keyframes compass-turn {
    from { transform: translateY(-6px) rotate(0deg); }
    to   { transform: translateY(-6px) rotate(360deg); }
}

.compass-ring {
    position: absolute;
    inset: 0;
    border: 1px solid var(--copper);
    border-radius: 50%;
    opacity: 0.7;
}

.compass-ring::before,
.compass-ring::after {
    content: "";
    position: absolute;
    inset: 10px;
    border: 1px dashed rgba(184, 149, 79, 0.5);
    border-radius: 50%;
}

.compass-rose {
    position: relative;
    width: 90px;
    height: 90px;
}

.compass-rose::before,
.compass-rose::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    background: var(--copper);
}

/* Primary 4-point star: two overlapping diamonds (N-S and E-W) */
.compass-rose::before {
    width: 90px;
    height: 90px;
    transform: translate(-50%, -50%);
    clip-path: polygon(50% 0%, 58% 42%, 100% 50%, 58% 58%, 50% 100%, 42% 58%, 0% 50%, 42% 42%);
    background: var(--copper);
}

.compass-rose::after {
    width: 64px;
    height: 64px;
    transform: translate(-50%, -50%) rotate(45deg);
    clip-path: polygon(50% 0%, 58% 42%, 100% 50%, 58% 58%, 50% 100%, 42% 58%, 0% 50%, 42% 42%);
    background: var(--brass);
    opacity: 0.75;
}

.compass-n, .compass-e, .compass-s, .compass-w {
    position: absolute;
    font-family: var(--font-label);
    font-weight: 600;
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    color: var(--gold);
    z-index: 2;
}
.compass-n { top: -18px; left: 50%; transform: translateX(-50%); }
.compass-s { bottom: -18px; left: 50%; transform: translateX(-50%); }
.compass-e { right: -18px; top: 50%; transform: translateY(-50%); }
.compass-w { left: -18px; top: 50%; transform: translateY(-50%); }

.basin-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4vw, 3.4rem);
    letter-spacing: 0.04em;
    text-transform: lowercase;
    color: var(--starwhite);
}

.basin-sub {
    font-family: var(--font-label);
    font-weight: 300;
    font-size: 0.85rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--brass);
    margin-top: 0.6rem;
}

.basin-meta {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    margin-top: 1.4rem;
    font-family: var(--font-label);
    font-weight: 300;
    font-size: 0.78rem;
    letter-spacing: 0.14em;
    color: var(--wheat);
}

.basin-dot { color: var(--copper); }

.basin-colophon {
    margin-top: 1.8rem;
    font-family: var(--font-label);
    font-weight: 300;
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    color: var(--gold);
    line-height: 1.9;
    opacity: 0.75;
}

/* ============================================================
   RESPONSIVE : <= 768px — collapse to left-aligned column
   ============================================================ */

@media (max-width: 768px) {
    .timeline {
        padding: 4rem 1rem 3rem 3rem;
    }

    .spine {
        left: 24px;
        transform: none;
    }

    .node {
        grid-template-columns: 32px 1fr;
        gap: 0;
        margin-bottom: 3.2rem;
    }

    .node .marker {
        grid-column: 1;
        justify-content: flex-start;
        padding-top: 1rem;
    }

    .node.left .panel,
    .node.right .panel {
        grid-column: 2;
        grid-row: 1;
        justify-self: stretch;
        transform: translate(-20px, 0);
        max-width: none;
        margin-left: 1.2rem;
    }

    .node.left .connector,
    .node.right .connector {
        grid-column: 1 / span 2;
        grid-row: 1;
        justify-self: start;
        margin-left: 32px;
        width: 20px;
        transform-origin: left;
    }

    .node.in-view .panel { transform: translate(0, 0); }

    .node-title { font-size: clamp(1.8rem, 7vw, 2.8rem); }

    .hero-tag { bottom: 16vh; font-size: 0.72rem; letter-spacing: 0.18em; }
    .hero-letters .letter { font-size: clamp(2.2rem, 12vw, 4rem); }

    .basin-colophon { font-size: 0.66rem; }
}

@media (max-width: 480px) {
    .hero-letters .letter { font-size: clamp(1.8rem, 14vw, 3rem); }
    .hero-tag { font-size: 0.64rem; letter-spacing: 0.14em; white-space: normal; text-align: center; max-width: 85%; }
}