/* ================================================================
   RRIDDL.com — Stylesheet
   Neomorphic puzzle-box surface. Earthen stone substrate with
   jewel-tone revelations. F-pattern reading rhythm.
   Scroll animation is coordinated in script with Intersection Observer.
   ================================================================ */

:root {
    /* --- Neomorphic surface system --- */
    --nm-bg: #d6cfc4;
    --nm-bg-alt: #ccc5b8;
    --nm-shadow-dark: #b5ad9f;
    --nm-shadow-light: #f0ebe4;
    --nm-distance: 12px;
    --nm-blur: 24px;

    /* --- Earth tones --- */
    --loam: #3b3530;
    --text-primary: #2c2824;
    --text-secondary: #6b6259;

    /* --- Jewel palette --- */
    --amethyst: #7b2d8e;
    --emerald: #1a7a4c;
    --sapphire: #1e4d8c;
    --garnet: #a3243b;

    /* --- Type --- */
    --font-head: 'Josefin Sans', 'Futura', 'Inter', system-ui, sans-serif;
    --font-body: 'Nunito', 'Inter', system-ui, sans-serif;
    --font-mono: 'Inconsolata', 'space', ui-monospace, monospace;

    /* --- Timings --- */
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-press: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(1rem, 1.2vw, 1.15rem);
    line-height: 1.72;
    color: var(--text-primary);
    background: var(--nm-bg);
    position: relative;
    overflow-x: hidden;
    padding: 24px;
}

/* --- Labyrinth substrate pattern (felt rather than seen) --- */
.page-substrate {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-color: var(--nm-bg);
    background-image:
        repeating-linear-gradient(0deg,
            transparent 0,
            transparent 47px,
            rgba(204, 197, 184, 0.55) 47px,
            rgba(204, 197, 184, 0.55) 48px),
        repeating-linear-gradient(90deg,
            transparent 0,
            transparent 47px,
            rgba(204, 197, 184, 0.55) 47px,
            rgba(204, 197, 184, 0.55) 48px),
        repeating-linear-gradient(0deg,
            transparent 0,
            transparent 239px,
            rgba(181, 173, 159, 0.35) 239px,
            rgba(181, 173, 159, 0.35) 240px),
        repeating-linear-gradient(90deg,
            transparent 0,
            transparent 239px,
            rgba(181, 173, 159, 0.35) 239px,
            rgba(181, 173, 159, 0.35) 240px);
}

.site-main,
.site-header,
.site-footer {
    position: relative;
    z-index: 1;
}

/* ================================================================
   Header
   ================================================================ */
.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 18px 28px;
    margin-bottom: 32px;
    border-radius: 24px;
    background: var(--nm-bg);
    box-shadow:
        8px 8px 20px var(--nm-shadow-dark),
        -8px -8px 20px var(--nm-shadow-light);
    flex-wrap: wrap;
}

.nm-logo {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: default;
}

.logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--nm-bg);
    box-shadow:
        inset 4px 4px 8px var(--nm-shadow-dark),
        inset -4px -4px 8px var(--nm-shadow-light);
    font-family: var(--font-head);
    font-size: 1.25rem;
    color: var(--amethyst);
    margin-right: 10px;
    transition: box-shadow 0.35s var(--ease-press), color 0.35s var(--ease-press);
}

.nm-logo:hover .logo-mark {
    box-shadow:
        4px 4px 8px var(--nm-shadow-dark),
        -4px -4px 8px var(--nm-shadow-light);
    color: var(--garnet);
}

.logo-text {
    letter-spacing: 0.06em;
}

.site-nav {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.nm-nav-pill {
    padding: 10px 18px;
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    color: var(--text-primary);
    text-decoration: none;
    background: var(--nm-bg);
    box-shadow:
        4px 4px 10px var(--nm-shadow-dark),
        -4px -4px 10px var(--nm-shadow-light);
    transition: box-shadow 0.35s var(--ease-press),
                color 0.35s var(--ease-press),
                transform 0.3s var(--ease-spring);
}

.nm-nav-pill:hover {
    color: var(--amethyst);
    transform: translateY(-2px);
    box-shadow:
        6px 6px 14px var(--nm-shadow-dark),
        -6px -6px 14px var(--nm-shadow-light);
}

.nm-nav-pill:active {
    color: var(--garnet);
    transform: translateY(1px);
    box-shadow:
        inset 3px 3px 6px var(--nm-shadow-dark),
        inset -3px -3px 6px var(--nm-shadow-light);
}

/* ================================================================
   Sections — shared
   ================================================================ */
.section {
    position: relative;
    padding: 40px 32px;
    margin-bottom: 48px;
    border-radius: 32px;
}

/* ================================================================
   PRIMARY HORIZON — Hero
   ================================================================ */
.section-horizon {
    min-height: 40vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 24px 16px 56px;
}

.nm-panel {
    background: var(--nm-bg);
    border-radius: 32px;
    padding: clamp(32px, 5vw, 64px);
    box-shadow:
        12px 12px 24px rgba(181, 173, 159, 0.95),
        -12px -12px 24px rgba(240, 235, 228, 0.95);
    position: relative;
}

.hero-panel {
    display: flex;
    flex-direction: column;
    gap: 24px;
    min-height: 36vh;
    justify-content: center;
}

.hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
}

.hero-headline {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: clamp(2.5rem, 6vw, 5.5rem);
    line-height: 1.08;
    letter-spacing: 0;
    color: var(--text-primary);
    min-height: 3.2em;
}

.hero-headline .char {
    display: inline-block;
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.22s ease-out, transform 0.22s ease-out;
}

.hero-headline .char.visible {
    opacity: 1;
    transform: translateY(0);
}

.hero-headline .cursor {
    display: inline-block;
    font-family: var(--font-mono);
    color: var(--amethyst);
    margin-left: 4px;
    animation: cursor-pulse 0.9s steps(2) infinite;
}

.hero-headline .cursor.fading {
    animation: cursor-fade 1.2s ease-out forwards;
}

@keyframes cursor-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes cursor-fade {
    0% { opacity: 1; }
    100% { opacity: 0; }
}

.hero-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 18px;
    border-top: 1px dashed rgba(107, 98, 89, 0.3);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
}

.hero-tag {
    color: var(--sapphire);
}

.horizon-curve {
    width: calc(100% - 32px);
    margin: 24px auto 0;
    display: block;
    height: 90px;
}

/* Scroll-triggered SVG path draw */
.draw-path {
    stroke-dasharray: var(--len, 2000);
    stroke-dashoffset: var(--len, 2000);
    transition: stroke-dashoffset 1.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.draw-path.drawn {
    stroke-dashoffset: 0;
}

/* ================================================================
   SECONDARY SCAN LINE — 60/40 split
   ================================================================ */
.section-scanline {
    display: grid;
    grid-template-columns: 60% 40%;
    gap: 32px;
    align-items: start;
}

.scan-left {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.nm-card {
    background: var(--nm-bg);
    border-radius: 24px;
    padding: 28px 32px;
    transition: box-shadow 0.3s var(--ease-spring),
                transform 0.3s var(--ease-spring);
}

.nm-card-inset {
    box-shadow:
        inset 10px 10px 20px var(--nm-shadow-dark),
        inset -10px -10px 20px var(--nm-shadow-light);
}

.clue-card:hover {
    transform: translateY(-6px);
    box-shadow:
        16px 16px 32px var(--nm-shadow-dark),
        -16px -16px 32px var(--nm-shadow-light);
}

.clue-card:active {
    transform: translateY(2px);
    box-shadow:
        inset 12px 12px 24px var(--nm-shadow-dark),
        inset -12px -12px 24px var(--nm-shadow-light);
}

.clue-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--amethyst);
    padding: 4px 12px;
    border-radius: 999px;
    background: var(--nm-bg);
    box-shadow:
        3px 3px 6px var(--nm-shadow-dark),
        -3px -3px 6px var(--nm-shadow-light);
    margin-bottom: 16px;
}

.clue-title {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: clamp(1.6rem, 2.4vw, 2rem);
    color: var(--text-primary);
    margin-bottom: 14px;
    letter-spacing: 0;
}

.clue-body {
    color: var(--text-primary);
    margin-bottom: 20px;
}

.cipher {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    letter-spacing: 0.06em;
    color: var(--sapphire);
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--nm-bg);
    box-shadow:
        inset 3px 3px 6px var(--nm-shadow-dark),
        inset -3px -3px 6px var(--nm-shadow-light);
}

/* --- Right column collage --- */
.scan-right {
    position: relative;
    min-height: 600px;
}

.collage-strip {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 620px;
    padding: 8px;
}

.collage-piece {
    position: absolute;
    background: var(--nm-bg);
    box-shadow:
        4px 4px 8px var(--nm-shadow-dark),
        -4px -4px 8px var(--nm-shadow-light);
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
    padding: 14px;
    overflow: hidden;
    transition: transform 0.35s var(--ease-spring),
                box-shadow 0.35s var(--ease-spring);
}

.collage-piece:hover {
    transform: translateY(-4px) rotate(-1deg);
    box-shadow:
        8px 8px 16px var(--nm-shadow-dark),
        -8px -8px 16px var(--nm-shadow-light);
    z-index: 20 !important;
}

.piece-label {
    position: relative;
    z-index: 2;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    background: rgba(214, 207, 196, 0.85);
    padding: 2px 8px;
    border-radius: 6px;
}

.piece-pattern {
    position: absolute;
    inset: 0;
    z-index: 1;
    opacity: 0.85;
}

/* Torn-edge polygons */
.piece-one {
    top: 0;
    left: 12%;
    width: 72%;
    height: 28%;
    clip-path: polygon(6% 10%, 92% 2%, 100% 88%, 18% 100%, 2% 60%);
    z-index: 4;
}

.piece-two {
    top: 22%;
    left: 38%;
    width: 58%;
    height: 26%;
    clip-path: polygon(0 14%, 94% 0, 100% 72%, 72% 100%, 6% 92%, 2% 40%);
    z-index: 3;
}

.piece-three {
    top: 40%;
    left: 4%;
    width: 60%;
    height: 24%;
    clip-path: polygon(10% 0, 92% 6%, 100% 86%, 22% 100%, 0 54%);
    z-index: 5;
}

.piece-four {
    top: 58%;
    left: 32%;
    width: 60%;
    height: 26%;
    clip-path: polygon(0 4%, 88% 0, 100% 54%, 82% 100%, 12% 96%, 4% 46%);
    z-index: 2;
}

.piece-five {
    top: 74%;
    left: 10%;
    width: 58%;
    height: 22%;
    clip-path: polygon(6% 6%, 94% 0, 100% 68%, 78% 100%, 0 88%, 2% 36%);
    z-index: 6;
}

/* Piece pattern variants — CSS-only abstract imagery */
.pattern-rings {
    background:
        radial-gradient(circle at 30% 40%, transparent 12%, var(--amethyst) 12.5%, var(--amethyst) 14%, transparent 14.5%),
        radial-gradient(circle at 30% 40%, transparent 22%, var(--sapphire) 22.5%, var(--sapphire) 24%, transparent 24.5%),
        radial-gradient(circle at 30% 40%, transparent 32%, var(--emerald) 32.5%, var(--emerald) 34%, transparent 34.5%),
        radial-gradient(circle at 30% 40%, transparent 42%, var(--garnet) 42.5%, var(--garnet) 44%, transparent 44.5%),
        var(--nm-bg-alt);
}

.pattern-rings-inverse {
    background:
        radial-gradient(circle at 70% 60%, transparent 10%, var(--garnet) 10.5%, var(--garnet) 12%, transparent 12.5%),
        radial-gradient(circle at 70% 60%, transparent 20%, var(--emerald) 20.5%, var(--emerald) 22%, transparent 22.5%),
        radial-gradient(circle at 70% 60%, transparent 30%, var(--sapphire) 30.5%, var(--sapphire) 32%, transparent 32.5%),
        radial-gradient(circle at 70% 60%, transparent 40%, var(--amethyst) 40.5%, var(--amethyst) 42%, transparent 42.5%),
        var(--nm-bg-alt);
}

.pattern-maze {
    background:
        repeating-linear-gradient(0deg,
            var(--nm-bg-alt) 0 8px,
            var(--sapphire) 8px 10px,
            var(--nm-bg-alt) 10px 18px,
            transparent 18px 20px),
        repeating-linear-gradient(90deg,
            var(--nm-bg-alt) 0 8px,
            var(--amethyst) 8px 10px,
            var(--nm-bg-alt) 10px 18px,
            transparent 18px 20px);
}

.pattern-dots {
    background:
        radial-gradient(circle, var(--emerald) 1.5px, transparent 2px) 0 0 / 12px 12px,
        radial-gradient(circle, var(--garnet) 1px, transparent 1.5px) 6px 6px / 12px 12px,
        var(--nm-bg-alt);
}

.pattern-cross {
    background:
        linear-gradient(45deg, transparent 46%, var(--amethyst) 46%, var(--amethyst) 54%, transparent 54%),
        linear-gradient(-45deg, transparent 46%, var(--sapphire) 46%, var(--sapphire) 54%, transparent 54%),
        var(--nm-bg-alt);
    background-size: 24px 24px, 24px 24px, 100% 100%;
}

/* ================================================================
   DESCENT COLUMN — Single column, centered
   ================================================================ */
.section-descent {
    display: flex;
    justify-content: center;
    position: relative;
    min-height: 700px;
    padding: 80px 120px;
}

.margin-curve {
    position: absolute;
    top: 60px;
    width: 120px;
    height: 600px;
    opacity: 0.85;
    pointer-events: none;
}

.left-curve { left: 0; }
.right-curve { right: 0; }

.descent-core {
    max-width: 680px;
    width: 100%;
    text-align: center;
    position: relative;
}

.geode {
    position: relative;
    width: 220px;
    height: 220px;
    margin: 0 auto 40px;
}

.geode-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 40% 60% 55% 45% / 60% 40% 45% 55%;
    animation: geode-rotate 32s linear infinite;
}

.ring-stone {
    width: 220px;
    height: 220px;
    background: var(--nm-bg);
    box-shadow:
        12px 12px 24px var(--nm-shadow-dark),
        -12px -12px 24px var(--nm-shadow-light);
    animation-duration: 42s;
}

.ring-garnet {
    width: 180px;
    height: 180px;
    background: var(--garnet);
    animation-duration: 36s;
    animation-direction: reverse;
}

.ring-sapphire {
    width: 140px;
    height: 140px;
    background: var(--sapphire);
    animation-duration: 28s;
}

.ring-emerald {
    width: 100px;
    height: 100px;
    background: var(--emerald);
    animation-duration: 22s;
    animation-direction: reverse;
}

.ring-amethyst {
    width: 60px;
    height: 60px;
    background: var(--amethyst);
    box-shadow: 0 0 20px rgba(123, 45, 142, 0.5);
    animation-duration: 16s;
}

@keyframes geode-rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.descent-title {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: clamp(2rem, 3.6vw, 3rem);
    color: var(--text-primary);
    margin-bottom: 14px;
}

.descent-lede {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    font-style: italic;
}

.descent-text {
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 1.2em;
}

.descent-text p {
    line-height: 1.8;
}

.descent-text em {
    color: var(--amethyst);
    font-style: italic;
    font-weight: 600;
}

.descent-cipher {
    display: inline-block;
    margin-top: 36px;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    color: var(--sapphire);
    padding: 10px 18px;
    border-radius: 10px;
    background: var(--nm-bg);
    box-shadow:
        inset 4px 4px 8px var(--nm-shadow-dark),
        inset -4px -4px 8px var(--nm-shadow-light);
}

/* ================================================================
   PUZZLE GRID — 3x2 neomorphic tiles
   ================================================================ */
.section-puzzle {
    padding: 60px 32px;
}

.puzzle-header {
    text-align: center;
    margin-bottom: 48px;
}

.puzzle-title {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: clamp(2rem, 4vw, 3.5rem);
    color: var(--text-primary);
    margin-bottom: 12px;
}

.puzzle-sub {
    font-family: var(--font-mono);
    font-size: 1rem;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
}

.puzzle-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 240px;
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.puzzle-tile {
    position: relative;
    background: var(--nm-bg);
    border: none;
    border-radius: 28px;
    padding: 28px;
    cursor: pointer;
    font-family: var(--font-body);
    color: var(--text-primary);
    overflow: hidden;
    box-shadow:
        12px 12px 24px var(--nm-shadow-dark),
        -12px -12px 24px var(--nm-shadow-light);
    transition: box-shadow 0.35s var(--ease-press),
                transform 0.35s var(--ease-spring),
                background 0.4s var(--ease-press);
}

.puzzle-tile:nth-child(even) {
    box-shadow:
        inset 10px 10px 20px var(--nm-shadow-dark),
        inset -10px -10px 20px var(--nm-shadow-light);
}

.puzzle-tile:hover {
    transform: translateY(-6px);
    box-shadow:
        16px 16px 32px var(--nm-shadow-dark),
        -16px -16px 32px var(--nm-shadow-light),
        0 0 24px rgba(123, 45, 142, 0.25);
}

.puzzle-tile[data-jewel="emerald"]:hover {
    box-shadow:
        16px 16px 32px var(--nm-shadow-dark),
        -16px -16px 32px var(--nm-shadow-light),
        0 0 24px rgba(26, 122, 76, 0.3);
}

.puzzle-tile[data-jewel="sapphire"]:hover {
    box-shadow:
        16px 16px 32px var(--nm-shadow-dark),
        -16px -16px 32px var(--nm-shadow-light),
        0 0 24px rgba(30, 77, 140, 0.3);
}

.puzzle-tile[data-jewel="garnet"]:hover {
    box-shadow:
        16px 16px 32px var(--nm-shadow-dark),
        -16px -16px 32px var(--nm-shadow-light),
        0 0 24px rgba(163, 36, 59, 0.3);
}

.puzzle-tile.pressed {
    transform: translateY(2px);
    box-shadow:
        inset 12px 12px 24px rgba(0, 0, 0, 0.25),
        inset -12px -12px 24px rgba(255, 255, 255, 0.15);
}

.puzzle-tile.pressed[data-jewel="amethyst"] { background: var(--amethyst); color: #f0ebe4; }
.puzzle-tile.pressed[data-jewel="emerald"] { background: var(--emerald); color: #f0ebe4; }
.puzzle-tile.pressed[data-jewel="sapphire"] { background: var(--sapphire); color: #f0ebe4; }
.puzzle-tile.pressed[data-jewel="garnet"] { background: var(--garnet); color: #f0ebe4; }

.tile-face {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    height: 100%;
    transition: opacity 0.4s var(--ease-press), transform 0.4s var(--ease-press);
}

.puzzle-tile.pressed .tile-face {
    opacity: 0;
    transform: translateY(-40%);
}

.tile-glyph {
    font-family: var(--font-head);
    font-size: 3rem;
    line-height: 1;
    color: var(--amethyst);
    transition: color 0.4s var(--ease-press);
}

.puzzle-tile[data-jewel="emerald"] .tile-glyph { color: var(--emerald); }
.puzzle-tile[data-jewel="sapphire"] .tile-glyph { color: var(--sapphire); }
.puzzle-tile[data-jewel="garnet"] .tile-glyph { color: var(--garnet); }

.puzzle-tile.pressed .tile-glyph { color: #f0ebe4; }

.tile-label {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 1.35rem;
    letter-spacing: 0.02em;
}

.tile-reveal {
    position: absolute;
    left: 28px;
    right: 28px;
    bottom: 28px;
    transform: translateY(110%);
    opacity: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: transform 0.5s var(--ease-spring), opacity 0.4s var(--ease-press);
    z-index: 2;
}

.puzzle-tile.pressed .tile-reveal {
    transform: translateY(0);
    opacity: 1;
}

.reveal-cipher {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    opacity: 0.8;
}

.reveal-text {
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.5;
}

/* ================================================================
   RESOLUTION
   ================================================================ */
.section-resolution {
    padding: 40px 16px 24px;
}

.resolution-panel {
    text-align: center;
    position: relative;
    padding-top: 64px;
}

.resolution-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    color: var(--amethyst);
    display: block;
    margin-bottom: 16px;
}

.resolution-title {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: clamp(2rem, 4vw, 3.25rem);
    color: var(--text-primary);
    margin-bottom: 24px;
    line-height: 1.15;
}

.answer-word {
    color: var(--garnet);
    position: relative;
    display: inline-block;
    padding: 0 10px;
}

.answer-word::after {
    content: '';
    position: absolute;
    inset: -2px -6px;
    border-radius: 12px;
    box-shadow:
        inset 4px 4px 8px var(--nm-shadow-dark),
        inset -4px -4px 8px var(--nm-shadow-light);
    z-index: -1;
}

.resolution-body {
    max-width: 640px;
    margin: 0 auto 36px;
    line-height: 1.8;
    color: var(--text-primary);
}

.resolution-actions {
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.nm-button {
    padding: 14px 28px;
    border: none;
    border-radius: 16px;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    background: var(--nm-bg);
    color: var(--text-primary);
    box-shadow:
        6px 6px 14px var(--nm-shadow-dark),
        -6px -6px 14px var(--nm-shadow-light);
    transition: box-shadow 0.35s var(--ease-press),
                transform 0.3s var(--ease-spring),
                color 0.35s var(--ease-press);
}

.nm-button:hover {
    transform: translateY(-4px);
    box-shadow:
        10px 10px 20px var(--nm-shadow-dark),
        -10px -10px 20px var(--nm-shadow-light);
    color: var(--amethyst);
}

.nm-button:active {
    transform: translateY(1px);
    box-shadow:
        inset 6px 6px 12px var(--nm-shadow-dark),
        inset -6px -6px 12px var(--nm-shadow-light);
}

.nm-button.primary {
    color: var(--amethyst);
    font-weight: 700;
}

.nm-button.primary:hover {
    color: var(--garnet);
}

.nm-button.flash {
    color: var(--emerald);
    box-shadow:
        inset 6px 6px 12px var(--nm-shadow-dark),
        inset -6px -6px 12px var(--nm-shadow-light);
}

.resolution-seal {
    position: absolute;
    top: -28px;
    right: -28px;
    width: 96px;
    height: 96px;
}

.seal-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--nm-bg);
    box-shadow:
        8px 8px 18px var(--nm-shadow-dark),
        -8px -8px 18px var(--nm-shadow-light);
}

.seal-mark {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 2.25rem;
    color: var(--amethyst);
}

/* ================================================================
   Footer
   ================================================================ */
.site-footer {
    margin-top: 48px;
    padding: 24px 28px;
    border-radius: 24px;
    background: var(--loam);
    color: #ccc5b8;
    box-shadow:
        inset 6px 6px 14px rgba(0, 0, 0, 0.35),
        inset -6px -6px 14px rgba(100, 90, 78, 0.35);
}

.footer-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-brand {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.08em;
}

.footer-cipher {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    letter-spacing: 0.06em;
    color: #a3243b;
}

.footer-copy {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    letter-spacing: 0.12em;
    color: #b5ad9f;
}

/* ================================================================
   Responsive
   ================================================================ */
@media (max-width: 1024px) {
    .section-scanline {
        grid-template-columns: 1fr;
    }

    .scan-right {
        min-height: 540px;
    }

    .section-descent {
        padding: 60px 24px;
    }

    .margin-curve {
        display: none;
    }

    .puzzle-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    body {
        padding: 12px;
    }

    .site-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .puzzle-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 220px;
    }

    .section {
        padding: 32px 20px;
    }

    .hero-panel {
        padding: 32px 24px;
    }

    .hero-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .resolution-seal {
        top: -18px;
        right: -12px;
        width: 72px;
        height: 72px;
    }

    .seal-mark {
        font-size: 1.75rem;
    }
}