/* ============================================
   QUANTUM — THE KINETIC ACTION SYSTEM
   Design System & Component Library CSS
   ============================================ */

:root {
    --terracotta: #C05E42;
    --forest: #1B2B23;
    --cream: #FDFCF9;
    --clay: #EBE4DA;
    --gold: #C5A059;
    --ink: #1A1C18;

    /* HSL Decomposed for programmatic use */
    --terracotta-h: 15; --terracotta-s: 55%; --terracotta-l: 50%;
    --forest-h: 145; --forest-s: 30%; --forest-l: 15%;
    --gold-h: 40; --gold-s: 40%; --gold-l: 55%;
    --blue-h: 210; --blue-s: 60%; --blue-l: 45%;
}

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

body {
    background-color: var(--cream);
    color: var(--ink);
    font-family: 'Instrument Sans', sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .serif { font-family: 'Playfair Display', serif; }

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

/* ---- HEADER ---- */
.header {
    padding: 2rem 3rem;
    border-bottom: 1px solid rgba(27,43,35,0.1);
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}
.header-left { display: flex; align-items: center; gap: 1.5rem; }
.logo {
    font-size: 2.5rem;
    font-weight: 900;
    font-style: italic;
    font-family: 'Playfair Display', serif;
}
.header-meta { display: none; }
@media(min-width:768px) { .header-meta { display: block; } }
.issue-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.4em;
    font-weight: 700;
    color: var(--gold);
}
.issue-sub {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: #94a3b8;
}
.nav { display: flex; gap: 2.5rem; }
.nav a {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-weight: 700;
    text-decoration: none;
    color: var(--ink);
    transition: color 0.3s;
}
.nav a:hover { color: var(--terracotta); }

/* ---- MAIN ---- */
.main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 4rem 1.5rem;
}
@media(min-width:768px) { .main { padding: 4rem 3rem; } }

/* ---- HERO ---- */
.hero {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: start;
    margin-bottom: 8rem;
}
@media(min-width:1024px) {
    .hero { grid-template-columns: 2fr 1fr; }
}
.hero-image-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
    background: var(--clay);
}
.hero-img {
    width: 100%; height: 100%;
    object-fit: cover;
    mix-blend-mode: multiply;
    opacity: 0.8;
}
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(27,43,35,0.5), transparent);
}
.hero-text {
    position: absolute;
    bottom: 2.5rem; left: 2.5rem;
    color: #fff;
}
.hero-vol {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    font-weight: 700;
    margin-bottom: 1rem;
    display: block;
}
.hero-title {
    font-size: clamp(2rem, 5vw, 3.75rem);
    font-weight: 900;
    font-family: 'Playfair Display', serif;
    line-height: 1.05;
    max-width: 500px;
}
.hero-sidebar-inner {
    border-top: 4px solid var(--terracotta);
    padding-top: 1.5rem;
}
.main-title {
    font-size: clamp(3.5rem, 7vw, 5rem);
    font-weight: 900;
    line-height: 0.85;
    letter-spacing: -0.03em;
    margin-bottom: 2rem;
}
.main-title em { color: var(--terracotta); }
.main-quote {
    font-family: 'Playfair Display', serif;
    font-style: italic;
    font-size: 1.15rem;
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}
.divider { border: none; border-top: 1px solid rgba(27,43,35,0.1); margin-bottom: 1.5rem; }
.author { display: flex; gap: 1rem; align-items: center; }
.author-img {
    width: 48px; height: 48px;
    border-radius: 50%;
    object-fit: cover;
    filter: grayscale(1);
}
.author-name { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.15em; }
.author-role { font-size: 10px; color: #94a3b8; }

/* ---- INTRO SECTION ---- */
.intro-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    margin-bottom: 10rem;
}
@media(min-width:768px) {
    .intro-section { grid-template-columns: 2fr 1fr; }
}
.columns-text {
    column-count: 1;
    gap: 3rem;
    font-size: 1.1rem;
    line-height: 1.7;
    color: #475569;
}
@media(min-width:768px) {
    .columns-text {
        column-count: 2;
        column-rule: 1px solid rgba(27,43,35,0.1);
    }
}
.columns-text p { margin-bottom: 1.5rem; }
.drop-cap::first-letter {
    float: left;
    font-size: 5rem;
    line-height: 1;
    padding-right: 0.75rem;
    font-family: 'Playfair Display', serif;
    color: var(--terracotta);
    font-weight: 900;
}
.italic-quote {
    font-style: italic;
    color: var(--forest) !important;
    font-weight: 500;
}
.inquiry-box {
    background: var(--forest);
    padding: 2.5rem;
    color: var(--clay);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.inquiry-icon { font-size: 2rem; margin-bottom: 1.5rem; color: var(--gold); }
.inquiry-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}
.inquiry-list { list-style: none; display: flex; flex-direction: column; gap: 1.25rem; }
.inquiry-list li {
    display: flex; align-items: center; gap: 1rem;
    font-size: 12px; text-transform: uppercase;
    letter-spacing: 0.15em; font-weight: 700; opacity: 0.8;
}
.dot { width: 8px; height: 8px; background: var(--gold); border-radius: 50%; flex-shrink: 0; }
.inquiry-footer { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1); }
.inquiry-quote { font-size: 13px; font-style: italic; font-family: 'Playfair Display', serif; }
.inquiry-attr { font-size: 10px; margin-top: 0.5rem; opacity: 0.5; }

/* ---- DEMO SECTIONS ---- */
.demo-section { margin-bottom: 10rem; }
.section-header { margin-bottom: 3rem; max-width: 700px; }
.section-num {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--gold);
    display: block;
    margin-bottom: 0.75rem;
}
.section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
    line-height: 1.1;
}
.section-desc { font-size: 1.05rem; color: #64748b; line-height: 1.6; }

.demo-area {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
    padding: 4rem 2rem;
    background: var(--clay);
    border: 1px solid rgba(27,43,35,0.08);
}
.demo-card {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 200px;
    padding: 1.5rem;
}
.demo-card-wide { min-width: 280px; }

/* ---- BUTTON SYSTEM ---- */
.btn {
    --h: 15; --s: 55%; --l: 50%;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 2rem;
    min-height: 48px;
    font-family: 'Instrument Sans', sans-serif;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    border: none;
    cursor: pointer;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.23,1,0.32,1),
                background-color 0.3s ease,
                color 0.3s ease,
                box-shadow 0.3s ease,
                border-radius 0.6s cubic-bezier(0.23,1,0.32,1),
                width 0.6s cubic-bezier(0.23,1,0.32,1),
                min-width 0.6s cubic-bezier(0.23,1,0.32,1);
    outline: none;
    -webkit-tap-highlight-color: transparent;
    will-change: transform;
}
.btn:focus-visible {
    outline: 3px solid var(--gold);
    outline-offset: 3px;
}

/* Primary */
.btn-primary {
    background: hsl(var(--h), var(--s), var(--l));
    color: #fff;
}
.btn-primary:hover {
    background: hsl(var(--h), var(--s), calc(var(--l) - 8%));
    box-shadow: 0 8px 30px hsla(var(--h), var(--s), var(--l), 0.35);
}
.btn-primary:active {
    background: hsl(var(--h), var(--s), calc(var(--l) - 15%));
}

/* Outline */
.btn-outline {
    background: transparent;
    border: 1px solid rgba(27,43,35,0.15);
    color: var(--ink);
}
.btn-outline:hover {
    background: var(--clay);
    border-color: rgba(27,43,35,0.3);
}

/* Ghost */
.btn-ghost {
    background: transparent;
    color: var(--ink);
}
.btn-ghost:hover { background: rgba(27,43,35,0.06); }
.btn-ghost::after {
    content: '';
    position: absolute;
    bottom: 0.6rem; left: 2rem; right: 2rem;
    height: 1px;
    background: var(--ink);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.23,1,0.32,1);
}
.btn-ghost:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Destructive */
.btn-destructive {
    background: hsl(0, 65%, 50%);
    color: #fff;
}
.btn-destructive:hover {
    background: hsl(0, 65%, 42%);
    box-shadow: 0 8px 30px hsla(0, 65%, 50%, 0.35);
}
.btn-destructive.confirming {
    background: hsl(0, 75%, 40%);
    animation: pulse-danger 0.8s ease infinite;
}
@keyframes pulse-danger {
    0%, 100% { box-shadow: 0 0 0 0 hsla(0,75%,40%,0.5); }
    50% { box-shadow: 0 0 0 10px hsla(0,75%,40%,0); }
}

/* Icon alignment */
.btn-icon {
    font-size: 18px;
    line-height: 1;
    display: flex;
    align-items: center;
}
.btn-text {
    display: flex;
    align-items: center;
    line-height: 1;
    position: relative;
    top: 0.5px; /* optical correction */
}

/* Squircle using clip-path superellipse approximation */
.squircle-btn {
    border-radius: 22% / 50%;
    clip-path: url(#squircle-clip);
}
/* fallback for browsers without SVG clip */
@supports not (clip-path: url(#squircle-clip)) {
    .squircle-btn { border-radius: 22%; }
}

/* ---- RIPPLE CANVAS ---- */
.ripple-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}
.btn > .btn-text, .btn > .btn-icon, .btn > .morph-content { z-index: 2; position: relative; }

/* ---- MORPH BUTTON ---- */
.morph-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 240px;
    height: 52px;
}
.morph-btn {
    position: absolute;
    white-space: nowrap;
    transition: all 0.5s cubic-bezier(0.23,1,0.32,1);
}
.morph-content {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    transition: opacity 0.3s ease;
    z-index: 2;
    position: relative;
}
.morph-loader {
    position: absolute;
    width: 24px; height: 24px;
    border: 3px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 2;
}
.morph-success {
    position: absolute;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 2;
}
.check-svg { width: 28px; height: 28px; color: #fff; }
.check-svg polyline {
    stroke-dasharray: 30;
    stroke-dashoffset: 30;
    transition: stroke-dashoffset 0.5s ease 0.1s;
}

/* Morph states */
.morph-btn.loading {
    width: 52px !important;
    min-width: 52px !important;
    padding: 0 !important;
    border-radius: 50% !important;
    pointer-events: none;
}
.morph-btn.loading .morph-content { opacity: 0; }
.morph-btn.loading .morph-loader {
    opacity: 1;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.morph-btn.success {
    width: 52px !important;
    min-width: 52px !important;
    padding: 0 !important;
    border-radius: 50% !important;
    background: #22c55e !important;
    pointer-events: none;
}
.morph-btn.success .morph-content { opacity: 0; }
.morph-btn.success .morph-loader { opacity: 0; }
.morph-btn.success .morph-success { opacity: 1; }
.morph-btn.success .check-svg polyline { stroke-dashoffset: 0; }

/* ---- IMAGE BREAK ---- */
.image-break { margin-bottom: 10rem; }
.image-break-grid {
    display: flex;
    flex-direction: column;
    gap: 4px;
    border-top: 1px solid rgba(27,43,35,0.1);
    border-bottom: 1px solid rgba(27,43,35,0.1);
    padding: 4px 0;
}
@media(min-width:768px) {
    .image-break-grid { flex-direction: row; }
}
.img-card {
    flex: 1;
    position: relative;
    overflow: hidden;
    height: 500px;
    background: #f1f5f9;
}
.img-card-img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}
.img-card:hover .img-card-img { transform: scale(1.05); }
.img-card-overlay {
    position: absolute; inset: 0;
    background: rgba(192,94,66,0.2);
    mix-blend-mode: multiply;
    opacity: 0;
    transition: opacity 0.4s ease;
}
.img-card:hover .img-card-overlay { opacity: 1; }
.img-card-title {
    position: absolute;
    bottom: 2rem; left: 2rem;
    color: #fff;
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-style: italic;
    opacity: 0;
    transform: translateY(1rem);
    transition: all 0.4s ease;
}
.img-card:hover .img-card-title { opacity: 1; transform: translateY(0); }
.image-break-footer {
    margin-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}
.fig-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    font-weight: 700;
    color: #94a3b8;
}

/* ---- CTA SECTION ---- */
.cta-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 5rem;
}
@media(min-width:1024px) {
    .cta-section { grid-template-columns: 5fr 7fr; }
}
.cta-text { border-left: 4px solid var(--gold); padding-left: 3rem; }
.cta-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.1;
    margin-bottom: 2rem;
}
.cta-desc { font-size: 1.1rem; color: #64748b; margin-bottom: 2.5rem; line-height: 1.6; }
.cta-buttons { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.cta-img-wrapper {
    aspect-ratio: 1;
    background: var(--clay);
    overflow: hidden;
}
.cta-img {
    width: 100%; height: 100%;
    object-fit: cover;
    filter: grayscale(1);
    opacity: 0.6;
}
.cta-quote-box {
    aspect-ratio: 1;
    background: var(--forest);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    text-align: center;
}
.cta-quote {
    font-family: 'Playfair Display', serif;
    font-style: italic;
    font-size: 1.5rem;
    color: var(--gold);
}

/* ---- FOOTER ---- */
.footer {
    background: var(--clay);
    padding: 5rem 2rem;
}
@media(min-width:768px) { .footer { padding: 5rem 6rem; } }
.footer-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}
@media(min-width:768px) {
    .footer-inner { grid-template-columns: 1fr 1fr 1fr 1fr; }
}
.footer-logo {
    font-size: 3rem;
    font-weight: 900;
    font-style: italic;
    font-family: 'Playfair Display', serif;
    color: var(--terracotta);
}
.footer-tagline {
    margin-top: 1.5rem;
    font-size: 13px;
    color: #64748b;
    font-style: italic;
    font-family: 'Playfair Display', serif;
}
.footer-heading {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.4em;
    font-weight: 900;
    color: #94a3b8;
    margin-bottom: 1.5rem;
}
.footer-col p {
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    margin-bottom: 0.75rem;
    transition: color 0.3s;
}
.footer-col p:hover { color: var(--terracotta); }
.footer-input {
    display: flex;
    border-bottom: 1px solid rgba(27,43,35,0.15);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}
.footer-input input {
    background: transparent;
    border: none;
    outline: none;
    font-size: 13px;
    width: 100%;
    font-style: italic;
}
.footer-input button {
    background: none; border: none;
    color: var(--gold);
    cursor: pointer;
    font-size: 20px;
}
.footer-copy {
    font-size: 10px !important;
    color: #94a3b8 !important;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    line-height: 2;
    cursor: default !important;
}

/* ---- SVG CLIP DEFINITION (embedded) ---- */
/* Added via JS for Squircle */