/* ============================================
   lordly.dev - Retro-Futuristic Underwater Palace
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --primary-black: #0A0A0F;
    --rich-gold: #D4A843;
    --bright-gold: #F5D77A;
    --pale-gold-mist: #FBF0D1;
    --deep-teal: #0D3B4E;
    --coral-accent: #E8734A;
    --obsidian-gray: #1A1A24;
    --gutter: 3.2rem;
}

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

html {
    scroll-behavior: smooth;
    scroll-snap-type: y mandatory;
    overflow-x: hidden;
    background: var(--primary-black);
}

body {
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 300;
    font-size: clamp(1rem, 1.8vw, 1.15rem);
    line-height: 1.85;
    color: var(--pale-gold-mist);
    background: linear-gradient(160deg, #0A0A0F 0%, #0D3B4E 45%, #1A1A24 100%);
    background-attachment: fixed;
    overflow-x: hidden;
}

/* --- Navigation --- */
#nav-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 3px;
    background: linear-gradient(90deg, transparent 10%, var(--rich-gold) 50%, transparent 90%);
    transition: height 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), background 0.4s ease;
    overflow: hidden;
}

#nav-bar:hover {
    height: 48px;
    background: linear-gradient(180deg, rgba(10, 10, 15, 0.95) 0%, rgba(10, 10, 15, 0.8) 100%);
    backdrop-filter: blur(12px);
}

#nav-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    gap: 3rem;
    opacity: 0;
    transition: opacity 0.3s ease 0.1s;
}

#nav-bar:hover #nav-inner {
    opacity: 1;
}

.nav-link {
    text-decoration: none;
    color: var(--rich-gold);
    transition: color 0.3s ease;
}

.nav-label {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

.nav-link:hover {
    color: var(--bright-gold);
}

/* --- Canvas Overlay --- */
#fish-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 10;
    pointer-events: none;
}

/* --- Lens Flare Layer --- */
#lens-flare-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 5;
    pointer-events: none;
    mix-blend-mode: screen;
}

.lens-flare {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.lens-flare::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--bright-gold);
    opacity: 0.9;
    box-shadow: 0 0 4px 2px var(--bright-gold);
}

.lens-flare::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 168, 67, 0.3) 0%, rgba(251, 240, 209, 0.08) 60%, transparent 100%);
}

#flare-1 {
    top: 20%;
    left: 61.8%;
    width: 240px;
    height: 240px;
    background: radial-gradient(circle, rgba(245, 215, 122, 0.12) 0%, transparent 70%);
}

#flare-2 {
    top: 55%;
    left: 38.2%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(245, 215, 122, 0.08) 0%, transparent 70%);
}

#flare-3 {
    top: 75%;
    left: 75%;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(245, 215, 122, 0.1) 0%, transparent 70%);
}

.lens-flare.active {
    opacity: 1;
}

.lens-streak {
    position: absolute;
    top: 50%;
    left: -100%;
    width: 100vw;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(245, 215, 122, 0.15) 30%, rgba(245, 215, 122, 0.25) 50%, rgba(245, 215, 122, 0.15) 70%, transparent 100%);
    filter: blur(20px);
    opacity: 0;
    transition: opacity 0.3s ease;
    transform: scaleX(0);
}

.lens-streak.active {
    opacity: 1;
    animation: streakSweep 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes streakSweep {
    0% { transform: scaleX(0); transform-origin: left; }
    50% { transform: scaleX(1.2); transform-origin: left; }
    100% { transform: scaleX(0); transform-origin: right; }
}

/* --- Chambers (Sections) --- */
.chamber {
    position: relative;
    width: 100%;
    min-height: 100vh;
    scroll-snap-align: start;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chamber-content {
    position: relative;
    z-index: 20;
    width: 100%;
    max-width: 1400px;
    padding: 0 var(--gutter);
}

/* --- Chamber Border / Section Divider --- */
.chamber-border {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0%;
    height: 1px;
    background: var(--rich-gold);
    transition: width 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.chamber-border.visible {
    width: 80%;
}

/* --- Chamber 1: The Atrium --- */
#atrium {
    background: radial-gradient(ellipse at 61.8% 50%, rgba(13, 59, 78, 0.3) 0%, var(--primary-black) 70%);
}

.atrium-content {
    text-align: center;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-weight: 900;
    font-size: clamp(2.8rem, 8vw, 7.2rem);
    letter-spacing: -0.02em;
    color: var(--rich-gold);
    text-shadow: 0 0 60px rgba(212, 168, 67, 0.3), 0 0 120px rgba(212, 168, 67, 0.1);
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(30px);
    animation: heroReveal 1.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s forwards;
}

@keyframes heroReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 500;
    font-style: italic;
    font-size: clamp(1.4rem, 3vw, 2.4rem);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--pale-gold-mist);
    opacity: 0;
    animation: heroReveal 1.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.8s forwards;
}

/* --- Chamber 2: The Gallery --- */
#gallery {
    background: radial-gradient(ellipse at 38.2% 40%, rgba(13, 59, 78, 0.2) 0%, var(--primary-black) 70%);
    padding: 6rem 0;
}

.gallery-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.gallery-heading {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: clamp(2.8rem, 8vw, 5rem);
    letter-spacing: -0.02em;
    color: var(--rich-gold);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--gutter);
    align-items: start;
}

.gallery-card {
    background: rgba(26, 26, 36, 0.7);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(212, 168, 67, 0.2);
    border-radius: 2px;
    padding: 2.5rem;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), border-color 0.4s ease, box-shadow 0.4s ease;
}

.gallery-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.gallery-card:hover {
    border-color: rgba(212, 168, 67, 0.5);
    box-shadow: 0 8px 40px rgba(212, 168, 67, 0.08);
}

.card-1 {
    grid-column: 1 / 8;
}

.card-2 {
    grid-column: 8 / 13;
    margin-top: 4rem;
}

.card-3 {
    grid-column: 2 / 7;
    margin-top: -2rem;
}

.card-4 {
    grid-column: 7 / 12;
}

.card-label {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 500;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--coral-accent);
    display: block;
    margin-bottom: 1rem;
}

.card-title {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    letter-spacing: -0.02em;
    color: var(--bright-gold);
    margin-bottom: 1rem;
}

.card-body {
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 300;
    font-size: clamp(1rem, 1.8vw, 1.15rem);
    line-height: 1.85;
    color: var(--pale-gold-mist);
    transition: font-weight 0.3s ease;
}

.gallery-card:hover .card-body {
    font-weight: 400;
}

/* --- Chamber 3: The Archive --- */
#archive {
    background: radial-gradient(ellipse at 50% 50%, rgba(13, 59, 78, 0.15) 0%, var(--primary-black) 70%);
    padding: 6rem 0;
}

.archive-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20vw;
}

.archive-heading {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: clamp(2.8rem, 8vw, 5rem);
    letter-spacing: -0.02em;
    color: var(--rich-gold);
    text-align: center;
    margin-bottom: 4rem;
}

.archive-text {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.archive-paragraph {
    font-family: 'Source Sans 3', sans-serif;
    font-weight: 300;
    font-size: clamp(1rem, 1.8vw, 1.15rem);
    line-height: 1.85;
    color: var(--pale-gold-mist);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.archive-paragraph.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Chamber 4: The Observatory --- */
#observatory {
    background: radial-gradient(ellipse at 50% 50%, rgba(13, 59, 78, 0.25) 0%, var(--primary-black) 60%);
    padding: 6rem 0;
}

.observatory-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.observatory-heading {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: clamp(2.8rem, 8vw, 5rem);
    letter-spacing: -0.02em;
    color: var(--rich-gold);
}

.observatory-subtitle {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 500;
    font-style: italic;
    font-size: clamp(1.4rem, 3vw, 2.4rem);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--pale-gold-mist);
    opacity: 0.7;
}

.observatory-viewport {
    width: 80%;
    max-width: 800px;
    height: 300px;
    position: relative;
    border: 1px solid rgba(212, 168, 67, 0.2);
    border-radius: 2px;
    overflow: hidden;
    background: rgba(10, 10, 15, 0.5);
}

#scroll-path {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.observatory-closing {
    font-family: 'Playfair Display', serif;
    font-weight: 900;
    font-size: clamp(1.8rem, 4vw, 3rem);
    letter-spacing: -0.02em;
    color: var(--rich-gold);
    opacity: 0.6;
    margin-top: 2rem;
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .card-1, .card-2, .card-3, .card-4 {
        grid-column: 1 / -1;
        margin-top: 0;
    }

    .archive-content {
        padding: 0 2rem;
    }

    #nav-inner {
        gap: 1.5rem;
    }

    .nav-label {
        font-size: 0.65rem;
    }
}

@media (max-width: 600px) {
    :root {
        --gutter: 1.5rem;
    }

    .gallery-card {
        padding: 1.5rem;
    }

    .observatory-viewport {
        height: 200px;
        width: 95%;
    }
}

/* --- Section heading shared --- */
.section-heading {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.section-heading.visible {
    opacity: 1;
    transform: translateY(0);
}