/* ============================================
   namu.quest - Victorian-Ornate Rationalism
   Palette: Muted mineral and metallic spectrum
   Typography: Jost, Cormorant Garamond, Overpass Mono
   ============================================ */

/* --- Custom Properties --- */
:root {
    --soot: #1c1a18;
    --anthracite: #24221f;
    --carrara: #c8c0b8;
    --pumice: #9a9490;
    --tarnished-brass: #a89060;
    --aged-bronze: #706850;
    --parchment: #d8d0c8;
    --limestone: #8a8278;
    --gilt-edge: #b8a888;
    --verdigris: #5a6858;
    --brass-dark-border: #8a7a52;
    --marble-vein-1: #c8c0b8;
    --marble-vein-2: #9a9490;
    --marble-vein-3: #787068;
    --marble-vein-4: #e0dcd8;
}

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

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--aged-bronze) var(--soot);
}

body {
    background-color: var(--soot);
    color: var(--parchment);
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-weight: 400;
    font-size: clamp(1.05rem, 1.8vw, 1.25rem);
    line-height: 1.75;
    overflow-x: hidden;
}

/* --- Scrollbar Styling --- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--soot);
}

::-webkit-scrollbar-thumb {
    background: var(--aged-bronze);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--tarnished-brass);
}

/* --- Text Selection --- */
::selection {
    background: var(--verdigris);
    color: var(--parchment);
}

::-moz-selection {
    background: var(--verdigris);
    color: var(--parchment);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: var(--soot);
}

/* CSS-Generated Marble Texture */
.hero-marble {
    position: absolute;
    inset: 0;
    opacity: 0;
    filter: contrast(1.02) brightness(0.98);
    background:
        radial-gradient(ellipse 60% 50% at 30% 40%, rgba(200, 192, 184, 0.10) 0%, transparent 70%),
        radial-gradient(ellipse 45% 55% at 70% 30%, rgba(154, 148, 144, 0.08) 0%, transparent 65%),
        radial-gradient(ellipse 50% 40% at 50% 60%, rgba(224, 220, 216, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 35% 60% at 20% 70%, rgba(120, 112, 104, 0.07) 0%, transparent 55%),
        radial-gradient(ellipse 55% 45% at 80% 65%, rgba(200, 192, 184, 0.09) 0%, transparent 70%),
        radial-gradient(ellipse 40% 35% at 55% 25%, rgba(154, 148, 144, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse 65% 30% at 40% 80%, rgba(224, 220, 216, 0.07) 0%, transparent 65%),
        linear-gradient(28deg,
            transparent 0%,
            rgba(200, 192, 184, 0.04) 20%,
            transparent 22%,
            transparent 40%,
            rgba(154, 148, 144, 0.06) 42%,
            transparent 44%,
            transparent 65%,
            rgba(224, 220, 216, 0.05) 67%,
            transparent 69%,
            transparent 100%
        ),
        linear-gradient(32deg,
            transparent 0%,
            transparent 30%,
            rgba(120, 112, 104, 0.05) 32%,
            transparent 34%,
            transparent 55%,
            rgba(200, 192, 184, 0.04) 57%,
            transparent 59%,
            transparent 80%,
            rgba(154, 148, 144, 0.03) 82%,
            transparent 84%,
            transparent 100%
        ),
        linear-gradient(25deg,
            transparent 0%,
            transparent 15%,
            rgba(224, 220, 216, 0.04) 16.5%,
            transparent 18%,
            transparent 45%,
            rgba(120, 112, 104, 0.05) 47%,
            transparent 49%,
            transparent 75%,
            rgba(200, 192, 184, 0.03) 77%,
            transparent 79%,
            transparent 100%
        ),
        var(--soot);
    background-blend-mode: soft-light, normal, normal, normal, normal, normal, normal, normal, normal, normal, normal;
    mask-image: radial-gradient(ellipse 70% 60% at center, black 60%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at center, black 60%, transparent 100%);
    transition: opacity 1200ms ease-out;
    will-change: opacity, transform;
}

.hero-marble::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(28, 26, 24, 0.4) 0%, rgba(28, 26, 24, 0.2) 50%, rgba(28, 26, 24, 0.4) 100%);
    background-blend-mode: soft-light;
}

.hero-marble.revealed {
    opacity: 1;
}

/* Hero Content & Nameplate */
.hero-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nameplate {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: clamp(300px, 50vw, 520px);
    height: clamp(80px, 12vw, 120px);
}

.nameplate-frame {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.frame-path {
    stroke-dasharray: 1280;
    stroke-dashoffset: 1280;
    transition: none;
}

.frame-path.drawing {
    transition: stroke-dashoffset 1500ms linear;
    stroke-dashoffset: 0;
}

.hero-title {
    position: relative;
    z-index: 1;
    font-family: 'Jost', 'Futura', sans-serif;
    font-weight: 600;
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--parchment);
    opacity: 0;
    filter: blur(12px);
    transition: opacity 800ms ease-out, filter 800ms ease-out;
}

.hero-title.revealed {
    opacity: 1;
    filter: blur(0);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 400ms ease-out;
    z-index: 2;
}

.scroll-indicator.visible {
    opacity: 1;
    animation: pulseDown 2s ease-in-out infinite;
}

@keyframes pulseDown {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(4px); }
}

/* ============================================
   GUTTER ORNAMENTS
   ============================================ */
.gutter-left,
.gutter-right {
    display: none;
    position: fixed;
    top: 0;
    width: 40px;
    height: 100vh;
    z-index: 10;
    pointer-events: none;
    overflow: hidden;
}

.gutter-left {
    left: calc((100vw - 680px) / 2 - 60px);
}

.gutter-right {
    right: calc((100vw - 680px) / 2 - 60px);
}

@media (min-width: 1100px) {
    .gutter-left,
    .gutter-right {
        display: block;
    }
}

.gutter-diamond {
    width: 8px;
    height: 8px;
    border: 1px solid var(--aged-bronze);
    transform: rotate(45deg);
    margin: 0 auto;
}

.gutter-line {
    width: 1px;
    height: 16px;
    background: var(--aged-bronze);
    margin: 0 auto;
    transform: rotate(0deg);
}

.gutter-segment {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
    max-width: 680px;
    margin: 0 auto;
    padding: 4rem 1.5rem 6rem;
}

@media (max-width: 800px) {
    .main-content {
        max-width: 85vw;
    }
}

/* ============================================
   CHEVRON DIVIDERS
   ============================================ */
.chevron-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 2.5rem 0;
    opacity: 0;
    filter: blur(8px);
    transition: opacity 800ms ease-out, filter 800ms ease-out;
}

.chevron-divider.in-view {
    opacity: 1;
    filter: blur(0);
}

.chevron-unit {
    display: inline-block;
    width: 16px;
    height: 8px;
    position: relative;
}

.chevron-unit::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 8px;
    height: 8px;
    border-left: 1px solid var(--aged-bronze);
    border-bottom: 1px solid var(--aged-bronze);
    transform: rotate(-45deg);
    transform-origin: bottom left;
}

.chevron-unit::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    width: 8px;
    height: 8px;
    border-right: 1px solid var(--aged-bronze);
    border-bottom: 1px solid var(--aged-bronze);
    transform: rotate(45deg);
    transform-origin: bottom right;
}

/* ============================================
   SPECIMEN PANELS
   ============================================ */
.specimen-panel {
    position: relative;
    border: 1px solid var(--brass-dark-border);
    padding: 3rem 2.5rem;
    margin: 0 0;
    background-color: var(--soot);
    transition: background-color 300ms ease-out;
    opacity: 0.3;
    filter: blur(8px);
}

.specimen-panel.in-view {
    background-color: var(--anthracite);
}

/* Subtle marble hint on panels */
.specimen-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0;
    background:
        radial-gradient(ellipse 70% 50% at 50% 50%, rgba(200, 192, 184, 0.03) 0%, transparent 70%),
        radial-gradient(ellipse 40% 60% at 30% 40%, rgba(154, 148, 144, 0.02) 0%, transparent 60%);
    pointer-events: none;
    transition: opacity 600ms ease-out;
}

.specimen-panel.in-view::before {
    opacity: 1;
}

/* --- Corner Brackets --- */
.corner-bracket {
    position: absolute;
    width: 16px;
    height: 16px;
    transition: width 400ms ease-out, height 400ms ease-out;
}

.specimen-panel:hover .corner-bracket {
    width: 24px;
    height: 24px;
}

.corner-tl {
    top: -1px;
    left: -1px;
    border-top: 1px solid var(--tarnished-brass);
    border-left: 1px solid var(--tarnished-brass);
}

.corner-tr {
    top: -1px;
    right: -1px;
    border-top: 1px solid var(--tarnished-brass);
    border-right: 1px solid var(--tarnished-brass);
}

.corner-bl {
    bottom: -1px;
    left: -1px;
    border-bottom: 1px solid var(--tarnished-brass);
    border-left: 1px solid var(--tarnished-brass);
}

.corner-br {
    bottom: -1px;
    right: -1px;
    border-bottom: 1px solid var(--tarnished-brass);
    border-right: 1px solid var(--tarnished-brass);
}

/* --- Panel Label (mono metadata) --- */
.panel-label {
    display: block;
    font-family: 'Overpass Mono', monospace;
    font-weight: 400;
    font-size: clamp(0.65rem, 1vw, 0.78rem);
    letter-spacing: 0.08em;
    color: var(--brass-dark-border);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    opacity: 0;
    filter: blur(4px);
    transition: opacity 600ms ease-out 200ms, filter 600ms ease-out 200ms;
}

.specimen-panel.in-view .panel-label {
    opacity: 1;
    filter: blur(0);
}

/* --- Panel Heading --- */
.panel-heading {
    font-family: 'Jost', 'Futura', sans-serif;
    font-weight: 400;
    font-size: clamp(1.5rem, 3vw, 2.4rem);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--tarnished-brass);
    margin-bottom: 0.25rem;
    opacity: 0;
    filter: blur(8px);
    transition: opacity 400ms ease-out, filter 400ms ease-out;
}

.specimen-panel.in-view .panel-heading {
    opacity: 1;
    filter: blur(0);
}

/* --- Angular Underline (shallow chevron) --- */
.angular-underline {
    width: 80px;
    height: 6px;
    margin-bottom: 2rem;
    position: relative;
    opacity: 0;
    filter: blur(4px);
    transition: opacity 500ms ease-out 200ms, filter 500ms ease-out 200ms;
}

.specimen-panel.in-view .angular-underline {
    opacity: 1;
    filter: blur(0);
}

.angular-underline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 40px;
    height: 6px;
    border-bottom: 1px solid var(--gilt-edge);
    transform: skewY(3deg);
}

.angular-underline::after {
    content: '';
    position: absolute;
    top: 0;
    left: 40px;
    width: 40px;
    height: 6px;
    border-bottom: 1px solid var(--gilt-edge);
    transform: skewY(-3deg);
}

/* --- Panel Body Text --- */
.panel-body {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-weight: 400;
    font-size: clamp(1.05rem, 1.8vw, 1.25rem);
    line-height: 1.75;
    color: var(--parchment);
    margin-bottom: 1.5rem;
    opacity: 0;
    filter: blur(8px);
    transition: opacity 600ms ease-out 200ms, filter 600ms ease-out 200ms;
}

.specimen-panel.in-view .panel-body {
    opacity: 1;
    filter: blur(0);
}

.panel-body em {
    font-style: italic;
    color: var(--gilt-edge);
}

/* --- Diamond List --- */
.diamond-list {
    margin-top: 1.5rem;
    opacity: 0;
    filter: blur(8px);
    transition: opacity 800ms ease-out 400ms, filter 800ms ease-out 400ms;
}

.specimen-panel.in-view .diamond-list {
    opacity: 1;
    filter: blur(0);
}

.diamond-item {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.diamond {
    display: inline-block;
    flex-shrink: 0;
    width: 8px;
    height: 8px;
    border: 1px solid var(--tarnished-brass);
    transform: rotate(45deg);
    transition: transform 200ms ease-out;
    margin-top: 0.4rem;
}

.diamond-item:hover .diamond {
    transform: rotate(90deg);
}

.item-text {
    font-family: 'Cormorant Garamond', Georgia, serif;
    font-weight: 500;
    font-size: clamp(0.95rem, 1.6vw, 1.1rem);
    line-height: 1.6;
    color: var(--limestone);
}

/* ============================================
   INTERACTIVE LINK STYLING
   ============================================ */
a {
    color: var(--gilt-edge);
    text-decoration: none;
    position: relative;
    display: inline-block;
}

a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    right: 50%;
    height: 1px;
    background: var(--gilt-edge);
    transition: left 300ms ease-out, right 300ms ease-out;
    clip-path: polygon(0 0, 50% 100%, 100% 0);
}

a:hover::after {
    left: 0;
    right: 0;
}

a:hover {
    color: var(--tarnished-brass);
}

/* ============================================
   COLOPHON / FOOTER
   ============================================ */
.colophon {
    text-align: center;
    padding: 4rem 0 2rem;
    opacity: 0;
    filter: blur(4px);
    transition: opacity 600ms ease-out, filter 600ms ease-out;
}

.colophon.in-view {
    opacity: 1;
    filter: blur(0);
}

.colophon-ornament {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.colophon-text {
    font-family: 'Jost', 'Futura', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--limestone);
    margin-bottom: 0.5rem;
}

.colophon-date {
    font-family: 'Overpass Mono', monospace;
    font-weight: 400;
    font-size: clamp(0.65rem, 1vw, 0.78rem);
    letter-spacing: 0.08em;
    color: var(--aged-bronze);
}

/* ============================================
   BLUR-FOCUS ANIMATION STATES
   ============================================ */
.specimen-panel {
    will-change: filter, opacity;
}

.specimen-panel.in-view {
    opacity: 1;
    filter: blur(0);
    transition: opacity 300ms ease-out, filter 300ms ease-out, background-color 300ms ease-out;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 600px) {
    .specimen-panel {
        padding: 2rem 1.5rem;
    }

    .hero-title {
        letter-spacing: 0.1em;
    }

    .nameplate {
        width: 90vw;
        height: 80px;
    }

    .panel-heading {
        letter-spacing: 0.08em;
    }

    .main-content {
        padding: 2rem 1rem 4rem;
    }
}

@media (max-width: 400px) {
    .specimen-panel {
        padding: 1.5rem 1rem;
    }

    .chevron-divider {
        padding: 1.5rem 0;
    }
}