:root {
    --bg-black: #0A0A08;
    --bg-charcoal: #1A1A16;
    --gold-primary: #D4AF37;
    --gold-pale: #E8D48B;
    --gold-deep: #8B6914;
    --text-parchment: #F5F0E1;
    --text-warm-gray: #A89F8E;
    --accent-sienna: #C17F3E;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'DM Sans', sans-serif;
    --font-accent: 'Space Grotesk', sans-serif;
    --ease-slide: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-overshoot: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
    background-color: var(--bg-black);
    color: var(--text-parchment);
    font-family: var(--font-body);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ============================================
   GRAIN OVERLAY
   ============================================ */

.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

/* ============================================
   GRID UNDERLAY
   ============================================ */

.grid-underlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        repeating-linear-gradient(0deg, rgba(212,175,55,0.05) 0px, rgba(212,175,55,0.05) 1px, transparent 1px, transparent 60px),
        repeating-linear-gradient(90deg, rgba(212,175,55,0.05) 0px, rgba(212,175,55,0.05) 1px, transparent 1px, transparent 60px);
    pointer-events: none;
    z-index: 0;
}

.grid-draw {
    mask-image: linear-gradient(to bottom, black 0%, transparent 0%);
    -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 0%);
    transition: mask-image 1.5s ease-out, -webkit-mask-image 1.5s ease-out;
}

.grid-draw.grid-visible {
    mask-image: linear-gradient(to bottom, black 100%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 100%, transparent 100%);
}

/* ============================================
   HERO SEAL SECTION
   ============================================ */

.seal-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 4rem 2rem;
    overflow: hidden;
}

.hero-vignette {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 40%, rgba(10,10,8,0.7) 100%);
    pointer-events: none;
    z-index: 1;
}

.emblem {
    text-align: center;
    position: relative;
    z-index: 2;
}

.emblem-border {
    border: 2px solid rgba(212, 175, 55, 0.3);
    border-radius: 50%;
    width: 440px;
    height: 440px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow:
        0 0 0 8px var(--bg-black),
        0 0 0 9px rgba(212, 175, 55, 0.15),
        0 0 0 20px var(--bg-black),
        0 0 0 21px rgba(212, 175, 55, 0.08),
        0 0 0 32px var(--bg-black),
        0 0 0 33px rgba(212, 175, 55, 0.04);
    opacity: 0;
    transition: opacity 1.2s ease-out;
}

.emblem-border.hero-active {
    opacity: 1;
}

.emblem-ring-outer,
.emblem-ring-inner {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.emblem-ring-outer {
    top: -40px;
    left: -40px;
    right: -40px;
    bottom: -40px;
    border: 1px solid rgba(212, 175, 55, 0.06);
}

.emblem-ring-inner {
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border: 1px solid rgba(212, 175, 55, 0.1);
}

.emblem-corner {
    position: absolute;
    width: 20px;
    height: 20px;
    z-index: 3;
}

.emblem-corner::before,
.emblem-corner::after {
    content: '';
    position: absolute;
    background-color: var(--gold-primary);
    opacity: 0.3;
}

.emblem-corner::before {
    width: 1px;
    height: 20px;
}

.emblem-corner::after {
    width: 20px;
    height: 1px;
}

.emblem-corner-tl { top: 25%; left: 25%; }
.emblem-corner-tl::before { top: 0; left: 0; }
.emblem-corner-tl::after { top: 0; left: 0; }

.emblem-corner-tr { top: 25%; right: 25%; }
.emblem-corner-tr::before { top: 0; right: 0; }
.emblem-corner-tr::after { top: 0; right: 0; }

.emblem-corner-bl { bottom: 25%; left: 25%; }
.emblem-corner-bl::before { bottom: 0; left: 0; }
.emblem-corner-bl::after { bottom: 0; left: 0; }

.emblem-corner-br { bottom: 25%; right: 25%; }
.emblem-corner-br::before { bottom: 0; right: 0; }
.emblem-corner-br::after { bottom: 0; right: 0; }

.emblem-border::before,
.emblem-border::after {
    content: '\25C6';
    position: absolute;
    color: var(--gold-primary);
    font-size: 0.7rem;
    opacity: 0.5;
}

.emblem-border::before { top: -6px; left: 50%; transform: translateX(-50%); }
.emblem-border::after { bottom: -6px; left: 50%; transform: translateX(-50%); }

.emblem-inner {
    text-align: center;
    padding: 2rem;
}

.emblem-caption {
    display: block;
    font-family: var(--font-accent);
    font-size: clamp(0.75rem, 1vw, 0.9rem);
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-warm-gray);
    margin-bottom: 1.5rem;
    opacity: 0;
    transition: opacity 0.6s ease-out 2.4s;
}

.hero-active .emblem-caption {
    opacity: 1;
}

.emblem-title-mask {
    overflow: hidden;
}

.emblem-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(4rem, 12vw, 10rem);
    color: var(--gold-primary);
    letter-spacing: 0.15em;
    line-height: 1.1;
    margin-bottom: 1rem;
    transform: translateY(110%);
    transition: transform 0.8s var(--ease-slide) 1.4s;
}

.hero-active .emblem-title {
    transform: translateY(0);
}

.emblem-dot {
    color: var(--gold-pale);
}

.emblem-sub-mask {
    overflow: hidden;
}

.emblem-sub {
    display: block;
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(0.85rem, 1.2vw, 1rem);
    color: var(--text-warm-gray);
    letter-spacing: 0.05em;
    transform: translateY(110%);
    transition: transform 0.8s var(--ease-slide) 1.8s;
}

.hero-active .emblem-sub {
    transform: translateY(0);
}

/* ============================================
   ORNAMENTAL DIVIDERS
   ============================================ */

.ornamental-divider {
    border: none;
    height: 1px;
    background: var(--gold-primary);
    max-width: 0;
    margin: 0 auto;
    position: relative;
    opacity: 0.6;
    transition: max-width 1s var(--ease-slide);
}

.ornamental-divider.divider-active {
    max-width: 300px;
}

.ornamental-divider::before,
.ornamental-divider::after {
    content: '\25C6';
    position: absolute;
    top: -7px;
    color: var(--gold-primary);
    font-size: 0.6rem;
    transform: scale(0);
    transition: transform 0.5s var(--ease-overshoot) 0.6s;
}

.ornamental-divider.divider-active::before,
.ornamental-divider.divider-active::after {
    transform: scale(1);
}

.ornamental-divider::before { left: -16px; }
.ornamental-divider::after { right: -16px; }

/* ============================================
   SLIDE-REVEAL ANIMATION
   ============================================ */

.slide-reveal {
    opacity: 0;
    transform: translateY(80px);
    transition: opacity 0.9s var(--ease-slide), transform 0.9s var(--ease-slide);
}

.slide-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   SECTION SHARED STYLES
   ============================================ */

.registry,
.plates,
.attestation {
    position: relative;
    padding: 100px 2rem;
    overflow: hidden;
}

.registry-frame,
.attestation-frame {
    max-width: 680px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    border-left: 1px solid rgba(212, 175, 55, 0.3);
    border-right: 1px solid rgba(212, 175, 55, 0.3);
    padding: 3rem 2.5rem;
}

.section-number {
    display: block;
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 3rem;
    color: rgba(212, 175, 55, 0.2);
    text-align: center;
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(2.8rem, 6vw, 5.5rem);
    color: var(--gold-primary);
    text-align: center;
    letter-spacing: 0.06em;
    margin-bottom: 2.5rem;
}

.body-text {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(1rem, 1.3vw, 1.15rem);
    line-height: 1.75;
    color: var(--text-parchment);
    letter-spacing: 0.01em;
    margin-bottom: 1.5rem;
}

.pilcrow-divider {
    text-align: center;
    font-size: 1.2rem;
    color: var(--accent-sienna);
    opacity: 0.5;
    margin: 1.5rem 0;
}

/* ============================================
   PLATES SECTION
   ============================================ */

.plates {
    max-width: 780px;
    margin: 0 auto;
}

.plate-frame {
    margin-bottom: 60px;
    position: relative;
    z-index: 2;
}

.plate-border {
    border: 2px solid rgba(212, 175, 55, 0.2);
    padding: 12px;
    position: relative;
    background-color: var(--bg-charcoal);
}

.plate-border::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 6px;
    right: 6px;
    bottom: 6px;
    border: 1px solid rgba(212, 175, 55, 0.5);
    pointer-events: none;
}

.plate-border::after {
    content: '';
    position: absolute;
    top: 12px;
    left: 12px;
    right: 12px;
    bottom: 12px;
    border: 1px solid rgba(212, 175, 55, 0.15);
    pointer-events: none;
}

/* Corner ornaments for plates */
.plate-corner {
    position: absolute;
    width: 16px;
    height: 16px;
    z-index: 2;
}

.plate-corner::before,
.plate-corner::after {
    content: '';
    position: absolute;
    background-color: var(--gold-primary);
}

.plate-corner::before {
    width: 1px;
    height: 16px;
}

.plate-corner::after {
    width: 16px;
    height: 1px;
}

.plate-corner-tl { top: -1px; left: -1px; }
.plate-corner-tl::before { top: 0; left: 0; }
.plate-corner-tl::after { top: 0; left: 0; }

.plate-corner-tr { top: -1px; right: -1px; }
.plate-corner-tr::before { top: 0; right: 0; }
.plate-corner-tr::after { top: 0; right: 0; }

.plate-corner-bl { bottom: -1px; left: -1px; }
.plate-corner-bl::before { bottom: 0; left: 0; }
.plate-corner-bl::after { bottom: 0; left: 0; }

.plate-corner-br { bottom: -1px; right: -1px; }
.plate-corner-br::before { bottom: 0; right: 0; }
.plate-corner-br::after { bottom: 0; right: 0; }

.plate-inner {
    padding: 2.5rem;
    position: relative;
    z-index: 1;
}

.plate-caption {
    display: block;
    font-family: var(--font-accent);
    font-size: clamp(0.75rem, 1vw, 0.9rem);
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-warm-gray);
    margin-bottom: 1rem;
}

.plate-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    color: var(--gold-pale);
    margin-bottom: 1rem;
    letter-spacing: 0.04em;
}

.plate-text {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
    line-height: 1.75;
    color: var(--text-parchment);
}

/* ============================================
   PULL QUOTE
   ============================================ */

.pull-quote {
    margin: 3rem 0;
    padding: 2rem 2rem;
    position: relative;
    text-align: center;
    border-top: 1px solid rgba(212, 175, 55, 0.1);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
    overflow: hidden;
}

.quote-mark {
    font-family: var(--font-display);
    font-size: 4rem;
    color: var(--accent-sienna);
    opacity: 0.4;
    line-height: 1;
    display: block;
}

.quote-mark-close {
    margin-top: -0.5rem;
}

.pull-quote p {
    font-family: var(--font-display);
    font-weight: 400;
    font-style: italic;
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    line-height: 1.6;
    color: var(--gold-pale);
    margin: 0.5rem 0;
}

.quote-attribution {
    display: block;
    font-family: var(--font-accent);
    font-size: clamp(0.75rem, 1vw, 0.85rem);
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-warm-gray);
    margin-top: 0.8rem;
    font-style: normal;
}

/* Pull-quote slide animations */
.quote-slide-left {
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.9s var(--ease-slide), transform 0.9s var(--ease-slide);
}

.quote-slide-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opacity 0.9s var(--ease-slide), transform 0.9s var(--ease-slide);
}

.quote-slide-left.visible,
.quote-slide-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ============================================
   ATTESTATION SECTION
   ============================================ */

.attestation {
    background-color: var(--bg-charcoal);
}

.attestation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        repeating-linear-gradient(0deg, rgba(212,175,55,0.03) 0px, rgba(212,175,55,0.03) 1px, transparent 1px, transparent 30px);
    pointer-events: none;
    z-index: 0;
}

/* ============================================
   FOOTER SEAL
   ============================================ */

.seal-footer {
    position: relative;
    padding: 140px 2rem 120px;
    text-align: center;
    overflow: hidden;
}

.footer-radiating-lines {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 600px;
    height: 600px;
    transform: translate(-50%, -50%);
    background:
        repeating-conic-gradient(
            from 0deg,
            rgba(212, 175, 55, 0.03) 0deg,
            transparent 2deg,
            transparent 10deg
        );
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    mask-image: radial-gradient(circle, black 10%, transparent 70%);
    -webkit-mask-image: radial-gradient(circle, black 10%, transparent 70%);
}

.footer-seal {
    position: relative;
    z-index: 2;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
}

.seal-ring-outer {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 200px;
    border: 1px solid rgba(212, 175, 55, 0.08);
    border-radius: 50%;
    pointer-events: none;
}

.seal-ring {
    width: 160px;
    height: 160px;
    border: 2px solid rgba(212, 175, 55, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 0 0 6px var(--bg-black),
        0 0 0 7px rgba(212, 175, 55, 0.15),
        0 0 0 14px var(--bg-black),
        0 0 0 15px rgba(212, 175, 55, 0.06);
    margin-bottom: 1.5rem;
    position: relative;
}

.seal-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--gold-primary);
    letter-spacing: 0.1em;
}

.seal-year {
    font-family: var(--font-accent);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--text-warm-gray);
}

/* ============================================
   REDUCED MOTION
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    .slide-reveal {
        transition: none;
        opacity: 1;
        transform: none;
    }
    .quote-slide-left,
    .quote-slide-right {
        transition: none;
        opacity: 1;
        transform: none;
    }
    .ornamental-divider {
        transition: none;
        max-width: 300px;
    }
    .ornamental-divider::before,
    .ornamental-divider::after {
        transition: none;
        transform: scale(1);
    }
    .emblem-border {
        transition: none;
        opacity: 1;
    }
    .emblem-title {
        transition: none;
        transform: none;
    }
    .emblem-sub {
        transition: none;
        transform: none;
    }
    .emblem-caption {
        transition: none;
        opacity: 1;
    }
    .grid-draw {
        transition: none;
        mask-image: none;
        -webkit-mask-image: none;
    }
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

@media (max-width: 768px) {
    .emblem-border {
        width: 320px;
        height: 320px;
    }
    .emblem-title {
        font-size: clamp(2.5rem, 8vw, 4rem);
    }
    .registry-frame,
    .attestation-frame {
        padding: 2rem 1.5rem;
        border-left: none;
        border-right: none;
    }
    .plate-inner {
        padding: 1.5rem;
    }
    .registry,
    .plates,
    .attestation {
        padding: 70px 1.5rem;
    }
    .seal-footer {
        padding: 100px 1.5rem 80px;
    }
    .footer-radiating-lines {
        width: 400px;
        height: 400px;
    }
}

@media (max-width: 480px) {
    .emblem-border {
        width: 260px;
        height: 260px;
    }
    .emblem-title {
        font-size: 2rem;
        letter-spacing: 0.08em;
    }
    .body-text {
        font-size: 1rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .pull-quote p {
        font-size: 1.1rem;
    }
    .quote-mark {
        font-size: 2.5rem;
    }
    .plate-border {
        padding: 8px;
    }
    .seal-hero {
        padding: 2rem 1rem;
    }
    .footer-radiating-lines {
        width: 300px;
        height: 300px;
    }
}