/* ============================================
   freedom.study - Victorian Scholarly Sanctuary
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --aged-ivory: #f4f0e8;
    --verdigris-mist: #e8ede6;
    --forest-midnight: #0e1f16;
    --forest-ink: #1a3a2a;
    --woodland-text: #2c4a3a;
    --burnished-copper: #8a6240;
    --patina-green: #4a7a5a;
    --antique-gold: #b8954a;
    --deep-ridge: #1a3a28;
    --forest-slope: #2a5a3a;
    --misty-peak: #4a8a5a;
    --muted-sage: #5a7a6a;
    --font-display: 'Cormorant Garamond', 'Georgia', serif;
    --font-body: 'Libre Baskerville', 'Georgia', serif;
    --font-accent: 'Josefin Sans', 'Helvetica Neue', sans-serif;
    --scroll-progress: 0;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--aged-ivory);
    color: var(--woodland-text);
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(1rem, 1.3vw, 1.15rem);
    line-height: 1.85;
    overflow-x: hidden;
}

/* --- Section Base --- */
.section {
    min-height: 100vh;
    overflow: hidden;
    position: relative;
}

/* ============================================
   SECTION 1: THE PORTICO
   ============================================ */
.portico {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--aged-ivory);
}

.portico-gradient-mesh {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 50%, rgba(244, 240, 232, 0.9) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(74, 122, 90, 0.15) 20%, transparent 60%),
        radial-gradient(ellipse at 50% 50%, rgba(138, 98, 64, 0.08) 40%, transparent 80%);
    background-blend-mode: normal, multiply, soft-light;
}

.portico-content {
    position: relative;
    z-index: 2;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.filigree-frame {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    width: min(80vw, 700px);
}

.filigree-border {
    width: 100%;
    height: 40px;
}

.draw-border {
    stroke-dasharray: 2400;
    stroke-dashoffset: 2400;
    animation: drawBorder 3s ease-in-out 1.5s forwards;
}

.draw-accent {
    stroke-dasharray: 800;
    stroke-dashoffset: 800;
    animation: drawBorder 2s ease-in-out 2.5s forwards;
}

@keyframes drawBorder {
    to { stroke-dashoffset: 0; }
}

.portico-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(3rem, 7vw, 5.5rem);
    letter-spacing: 0.04em;
    color: var(--forest-ink);
    line-height: 1.1;
}

.portico-subtitle {
    font-family: var(--font-accent);
    font-weight: 300;
    font-size: 0.875rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted-sage);
}

.manicule {
    opacity: 0;
    animation: fadeInManicule 1s ease-in-out 2.5s forwards;
    margin-top: 1rem;
}

@keyframes fadeInManicule {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes bounceManicule {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

.manicule.visible {
    animation: bounceManicule 2s ease-in-out infinite;
    opacity: 1;
}

/* ============================================
   ORNAMENTAL DIVIDERS
   ============================================ */
.ornamental-divider {
    padding: 3vh 0;
    display: flex;
    justify-content: center;
    background-color: var(--aged-ivory);
}

.ornamental-divider svg {
    width: min(60vw, 500px);
    height: 40px;
}

.divider-dark {
    background-color: var(--forest-midnight);
}

/* ============================================
   SECTION LABELS
   ============================================ */
.section-label {
    text-align: center;
    padding: 4vh 0 2vh;
}

.section-number {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--antique-gold);
    display: block;
    margin-bottom: 0.25rem;
}

.section-name {
    font-family: var(--font-accent);
    font-weight: 400;
    font-size: 0.75rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted-sage);
}

.section-label-light .section-number {
    color: var(--antique-gold);
}

.section-label-light .section-name {
    color: var(--patina-green);
}

/* ============================================
   SECTION 2: THE READING ROOM
   ============================================ */
.reading-room {
    background-color: var(--verdigris-mist);
    padding: 4vw;
    min-height: 100vh;
}

.reading-grid {
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 4vh 0;
}

.reading-block {
    position: relative;
}

.primary-text.block-1 {
    grid-column: 2 / 10;
    grid-row: 1;
}

.annotation.block-2 {
    grid-column: 10 / 16;
    grid-row: 1;
    align-self: center;
}

.primary-text.block-3 {
    grid-column: 2 / 11;
    grid-row: 2;
}

.annotation.block-4 {
    grid-column: 11 / 16;
    grid-row: 2;
    align-self: start;
    padding-top: 2rem;
}

.primary-text.block-5 {
    grid-column: 3 / 12;
    grid-row: 3;
}

.annotation.block-6 {
    grid-column: 12 / 16;
    grid-row: 3;
    align-self: center;
}

.reading-heading {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    letter-spacing: 0.04em;
    color: var(--forest-ink);
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.reading-subheading {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    letter-spacing: 0.04em;
    color: var(--forest-ink);
    line-height: 1.3;
    margin-bottom: 1rem;
}

.primary-text p {
    margin-bottom: 1.2rem;
    color: var(--woodland-text);
}

.drop-cap-text::first-letter {
    font-family: var(--font-display);
    font-size: 5rem;
    float: left;
    line-height: 0.8;
    padding-right: 0.15em;
    padding-top: 0.05em;
    color: var(--antique-gold);
    text-shadow: 2px 2px 0px rgba(74, 122, 90, 0.3);
    font-weight: 700;
}

.drop-cap-text::first-letter:hover {
    background: radial-gradient(circle, rgba(184, 149, 74, 0.15) 0%, transparent 70%);
}

.annotation {
    padding: 1.5rem;
    position: relative;
}

.annotation-border {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent, var(--patina-green), transparent);
}

.annotation-text {
    font-family: var(--font-body);
    font-style: italic;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--muted-sage);
    margin-bottom: 0.5rem;
}

.annotation-source {
    font-family: var(--font-accent);
    font-weight: 300;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    color: var(--burnished-copper);
    text-transform: uppercase;
}

.section-border-frame {
    position: absolute;
    inset: 2%;
    width: 96%;
    height: 96%;
    pointer-events: none;
}

/* ============================================
   SECTION 3: THE CARTOGRAPHY HALL
   ============================================ */
.cartography-hall {
    background-color: var(--verdigris-mist);
    min-height: 100vh;
    position: relative;
    display: flex;
    flex-direction: column;
}

.cartography-content {
    position: relative;
    z-index: 3;
    padding: 4vw 4vw 0;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    flex: 1;
}

.cartography-heading {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    letter-spacing: 0.04em;
    color: var(--forest-ink);
    text-align: center;
    margin-bottom: 1rem;
}

.cartography-intro {
    font-family: var(--font-body);
    color: var(--woodland-text);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.study-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    padding-bottom: 4rem;
    position: relative;
    z-index: 4;
}

.card {
    width: 240px;
    height: 340px;
    perspective: 1000px;
    cursor: pointer;
}

.card:nth-child(2) { transform: translateY(15px); }
.card:nth-child(4) { transform: translateY(10px); }
.card:nth-child(5) { transform: translateY(-5px); }

.card-inner {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.card:hover .card-inner,
.card.flipped .card-inner {
    transform: rotateY(180deg);
}

.card-front,
.card-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem;
}

.card-front {
    background:
        radial-gradient(ellipse at 30% 30%, rgba(74, 122, 90, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 70%, rgba(138, 98, 64, 0.06) 0%, transparent 50%),
        var(--aged-ivory);
    box-shadow: 0 4px 20px rgba(74, 122, 90, 0.2);
    position: relative;
    overflow: hidden;
}

.card-cartouche {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.card-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.6rem;
    letter-spacing: 0.04em;
    color: var(--forest-ink);
    text-align: center;
    line-height: 1.3;
    position: relative;
    z-index: 1;
}

.card-era {
    font-family: var(--font-accent);
    font-weight: 300;
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--burnished-copper);
    margin-top: 0.75rem;
    position: relative;
    z-index: 1;
}

.card-back {
    background-color: var(--aged-ivory);
    transform: rotateY(180deg);
    box-shadow: 0 4px 20px rgba(74, 122, 90, 0.2);
    text-align: left;
    justify-content: flex-start;
    padding-top: 2.5rem;
}

.card-back p {
    font-family: var(--font-body);
    font-size: 0.85rem;
    line-height: 1.7;
    color: var(--woodland-text);
}

.card-back p em {
    color: var(--burnished-copper);
}

/* Mountain Landscape */
.mountain-landscape {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 35%;
    z-index: 1;
    pointer-events: none;
}

.mountain-layer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
}

.mountain-layer svg {
    display: block;
    width: 100%;
    height: 100%;
}

.mountain-layer-1 {
    height: 100%;
    z-index: 1;
}

.mountain-layer-2 {
    height: 85%;
    z-index: 2;
}

.mountain-layer-3 {
    height: 70%;
    z-index: 3;
}

/* ============================================
   SECTION 4: THE ARCHIVE VAULT
   ============================================ */
.archive-vault {
    background: linear-gradient(
        180deg,
        var(--forest-midnight) 0%,
        #0a1810 50%,
        var(--forest-midnight) 100%
    );
    min-height: 100vh;
    padding: 4vw;
    color: var(--verdigris-mist);
}

.archive-columns {
    display: flex;
    gap: 0;
    max-width: 1400px;
    margin: 0 auto;
    padding: 4vh 0;
    align-items: stretch;
}

.archive-column {
    flex: 1;
    position: relative;
    padding: 0 2rem;
}

.archive-column-divider {
    width: 20px;
    flex-shrink: 0;
}

.archive-column-divider svg {
    width: 100%;
    height: 100%;
}

.column-border-left {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, transparent, var(--patina-green) 20%, var(--patina-green) 80%, transparent);
    opacity: 0.4;
}

.archive-scroll-inner {
    max-height: 60vh;
    overflow-y: auto;
    padding-right: 1rem;
    scrollbar-width: thin;
    scrollbar-color: var(--burnished-copper) transparent;
}

.archive-scroll-inner::-webkit-scrollbar {
    width: 4px;
}

.archive-scroll-inner::-webkit-scrollbar-track {
    background: transparent;
}

.archive-scroll-inner::-webkit-scrollbar-thumb {
    background-color: var(--burnished-copper);
    border-radius: 2px;
}

.archive-heading {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    letter-spacing: 0.04em;
    color: var(--antique-gold);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.archive-column p {
    font-family: var(--font-body);
    font-size: 0.9rem;
    line-height: 1.85;
    color: var(--verdigris-mist);
    margin-bottom: 1.2rem;
}

.archive-drop-cap::first-letter {
    font-family: var(--font-display);
    font-size: 4rem;
    float: left;
    line-height: 0.8;
    padding-right: 0.12em;
    padding-top: 0.05em;
    color: var(--antique-gold);
    text-shadow: 2px 2px 0px rgba(74, 122, 90, 0.4);
    font-weight: 700;
    transition: text-shadow 0.6s ease;
}

.archive-drop-cap.glow::first-letter {
    text-shadow: 0 0 20px rgba(184, 149, 74, 0.6), 2px 2px 0px rgba(74, 122, 90, 0.4);
}

/* ============================================
   SECTION 5: THE DOME
   ============================================ */
.dome {
    background-color: var(--forest-midnight);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.dome-gradient-mesh {
    position: absolute;
    inset: 0;
    background:
        conic-gradient(from 0deg at 50% 50%, rgba(244, 240, 232, 0.03) 0deg, rgba(184, 149, 74, 0.06) 90deg, rgba(244, 240, 232, 0.03) 180deg, rgba(184, 149, 74, 0.06) 270deg, rgba(244, 240, 232, 0.03) 360deg),
        radial-gradient(ellipse at 50% 50%, transparent 20%, rgba(14, 31, 22, 0.8) 70%),
        radial-gradient(ellipse at 50% 50%, rgba(184, 149, 74, 0.1) 0%, transparent 50%);
    background-blend-mode: soft-light, multiply, normal;
}

.dome-tracery {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dome-tracery svg {
    position: absolute;
}

.tracery-ring-1 {
    width: min(90vw, 700px);
    height: min(90vw, 700px);
}

.tracery-ring-2 {
    width: min(70vw, 550px);
    height: min(70vw, 550px);
}

.tracery-ring-3 {
    width: min(50vw, 400px);
    height: min(50vw, 400px);
}

.tracery-rotate {
    animation: rotateCW 120s linear infinite;
}

.tracery-rotate-reverse {
    animation: rotateCCW 120s linear infinite;
}

@keyframes rotateCW {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes rotateCCW {
    from { transform: rotate(0deg); }
    to { transform: rotate(-360deg); }
}

.dome-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 2rem;
}

.dome-statement {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.3rem, 3vw, 2.2rem);
    letter-spacing: 0.04em;
    color: var(--aged-ivory);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.dome-ornament {
    margin: 1.5rem auto;
    opacity: 0.7;
}

.dome-closing {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 0.08em;
    color: var(--antique-gold);
    margin-top: 1rem;
}

/* ============================================
   ANIMATIONS & TRANSITIONS
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.in-view {
    opacity: 1;
    transform: translateY(0);
}

.fade-in.in-view:nth-child(2) { transition-delay: 0.2s; }
.fade-in.in-view:nth-child(3) { transition-delay: 0.4s; }
.fade-in.in-view:nth-child(4) { transition-delay: 0.6s; }
.fade-in.in-view:nth-child(5) { transition-delay: 0.8s; }
.fade-in.in-view:nth-child(6) { transition-delay: 1.0s; }

.annotation.fade-in {
    transform: translateX(20px);
}

.annotation.fade-in.in-view {
    transform: translateX(0);
}

/* Card fade-in with stagger */
.study-cards .card.fade-in {
    transform: scale(0.9);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.study-cards .card.fade-in.in-view {
    transform: scale(1);
}

.study-cards .card.fade-in.in-view:nth-child(1) { transition-delay: 0s; }
.study-cards .card.fade-in.in-view:nth-child(2) { transition-delay: 0.15s; transform: scale(1) translateY(15px); }
.study-cards .card.fade-in.in-view:nth-child(3) { transition-delay: 0.3s; }
.study-cards .card.fade-in.in-view:nth-child(4) { transition-delay: 0.45s; transform: scale(1) translateY(10px); }
.study-cards .card.fade-in.in-view:nth-child(5) { transition-delay: 0.6s; transform: scale(1) translateY(-5px); }

/* Link styles */
a {
    color: var(--burnished-copper);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

a:hover {
    border-bottom-color: var(--burnished-copper);
}

/* ============================================
   RESPONSIVE: TABLET (768-1024px)
   ============================================ */
@media (max-width: 1024px) {
    .reading-grid {
        grid-template-columns: repeat(8, 1fr);
    }

    .primary-text.block-1 { grid-column: 1 / 7; grid-row: 1; }
    .annotation.block-2 { grid-column: 1 / 7; grid-row: 2; }
    .primary-text.block-3 { grid-column: 1 / 7; grid-row: 3; }
    .annotation.block-4 { grid-column: 1 / 7; grid-row: 4; padding-top: 0; }
    .primary-text.block-5 { grid-column: 1 / 7; grid-row: 5; }
    .annotation.block-6 { grid-column: 1 / 7; grid-row: 6; }

    .annotation {
        padding-left: 1.5rem;
    }

    .archive-columns {
        flex-wrap: wrap;
    }

    .archive-column {
        flex-basis: 100%;
        padding: 1.5rem 0;
    }

    .archive-column-divider {
        width: 100%;
        height: 20px;
    }

    .archive-column-divider svg {
        display: none;
    }

    .archive-scroll-inner {
        max-height: none;
        overflow-y: visible;
    }

    .mountain-landscape {
        height: 25%;
    }

    .card {
        width: 220px;
        height: 310px;
    }
}

/* ============================================
   RESPONSIVE: MOBILE (<768px)
   ============================================ */
@media (max-width: 768px) {
    .reading-grid {
        display: flex;
        flex-direction: column;
        gap: 2rem;
    }

    .reading-room {
        padding: 6vw;
    }

    .filigree-frame {
        width: 90vw;
    }

    .portico-title {
        font-size: clamp(2rem, 10vw, 3.5rem);
    }

    .drop-cap-text::first-letter {
        font-size: 3rem;
    }

    .archive-drop-cap::first-letter {
        font-size: 3rem;
    }

    .study-cards {
        flex-direction: column;
        align-items: center;
    }

    .card {
        width: 280px;
        height: 360px;
    }

    .card:nth-child(2),
    .card:nth-child(4),
    .card:nth-child(5) {
        transform: none;
    }

    .study-cards .card.fade-in.in-view:nth-child(2),
    .study-cards .card.fade-in.in-view:nth-child(4),
    .study-cards .card.fade-in.in-view:nth-child(5) {
        transform: scale(1);
    }

    .mountain-landscape {
        height: 20%;
    }

    .mountain-layer-1,
    .mountain-layer-2 {
        display: none;
    }

    .annotation-border {
        left: 0;
        top: 0;
        bottom: auto;
        width: 60px;
        height: 2px;
        background: linear-gradient(to right, var(--patina-green), transparent);
    }

    .section-label {
        padding: 3vh 0 1.5vh;
    }

    .cartography-content {
        padding: 6vw 6vw 0;
    }

    .tracery-ring-1 {
        width: 95vw;
        height: 95vw;
    }

    .tracery-ring-2 {
        width: 75vw;
        height: 75vw;
    }

    .tracery-ring-3 {
        width: 55vw;
        height: 55vw;
    }

    .dome-statement {
        font-size: clamp(1.1rem, 5vw, 1.6rem);
    }

    .archive-vault {
        padding: 6vw;
    }
}