/* ============================================================
   mujun.ai — Muted Vintage / Broken-Grid / Grotesque-Neo
   ============================================================ */

/* --- Custom Properties --- */
:root {
    /* Colors */
    --bone:         #E8E0D0;
    --tobacco:      #5C4033;
    --ochre:        #C8973A;
    --ash:          #8C8070;
    --charcoal:     #1E1A16;
    --marble-white: #F5F2EC;
    --slate:        #2E2A26;

    /* Z-Index Planes */
    --z-marble:  0;
    --z-wash:    1;
    --z-content: 2;
    --z-bleed:   3;

    /* Grid */
    --grid-cols: repeat(12, 1fr);
    --grid-gap:  24px;
    --max-width: 1320px;
    --edge:      clamp(24px, 5vw, 80px);
}

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

html {
    overflow-x: clip;
    scroll-behavior: smooth;
}

body {
    background: var(--bone);
    color: var(--tobacco);
    font-family: 'DM Sans', sans-serif;
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

/* --- Typography --- */
.barlow-label {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-size: 13px;
    color: var(--ash);
}

/* --- Marble Panel (Shared) --- */
.marble-panel {
    background-image:
        radial-gradient(ellipse 80% 60% at 20% 30%, rgba(245,242,236,0.9) 0%, transparent 60%),
        radial-gradient(ellipse 60% 80% at 75% 70%, rgba(140,128,112,0.4) 0%, transparent 50%),
        linear-gradient(135deg, #F5F2EC 0%, #E8E0D0 40%, #8C8070 70%, #5C4033 100%),
        radial-gradient(ellipse 40% 30% at 50% 50%, rgba(92,64,51,0.2) 0%, transparent 70%);
    background-size: 300% 300%;
}

/* --- Bleed Rule --- */
.bleed-rule {
    border: none;
    border-top: 2px solid rgba(92, 64, 51, 0.4);
    margin-left: -5vw;
    width: calc(100% + 5vw);
    margin-bottom: 16px;
}

.bleed-rule--right {
    margin-left: 3vw;
}

/* ============================================================
   SECTION I: MANIFEST (HERO)
   ============================================================ */

.section-manifest {
    position: relative;
    min-height: 100vh;
    background: var(--charcoal);
    display: flex;
    align-items: center;
    overflow: hidden;
}

.manifest-bg-wash {
    position: absolute;
    inset: 0;
    z-index: var(--z-wash);
    background: radial-gradient(ellipse 70% 80% at 15% 60%, rgba(200,151,58,0.08) 0%, transparent 60%),
                radial-gradient(ellipse 50% 40% at 80% 20%, rgba(92,64,51,0.15) 0%, transparent 50%);
    pointer-events: none;
}

.manifest-marble {
    position: absolute;
    top: -10%;
    right: -5%;
    width: 45%;
    height: 120%;
    z-index: var(--z-marble);
    background-position: 100% 60%;
    opacity: 0.18;
    transform: skewX(-3deg);
    pointer-events: none;
}

.manifest-content {
    position: relative;
    z-index: var(--z-content);
    padding: 120px var(--edge) 120px calc(var(--edge) + 2vw);
    max-width: 900px;
}

.manifest-label {
    color: var(--ochre);
    margin-bottom: 32px;
    font-size: 11px;
    letter-spacing: 0.25em;
}

.manifest-heading {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(80px, 13vw, 180px);
    line-height: 0.92;
    text-transform: lowercase;
    color: var(--bone);
    margin-bottom: 48px;
    letter-spacing: -0.03em;
    white-space: nowrap;
}

.letter {
    display: inline-block;
}

.letter[data-offset="0"]   { transform: translateY(0px); }
.letter[data-offset="-12"] { transform: translateY(-12px); }
.letter[data-offset="8"]   { transform: translateY(8px); }
.letter[data-offset="-6"]  { transform: translateY(-6px); }
.letter[data-offset="12"]  { transform: translateY(12px); }

.manifest-dot {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 0.45em;
    color: var(--ochre);
    display: inline-block;
    vertical-align: middle;
    margin-left: 0.05em;
    letter-spacing: -0.02em;
}

.manifest-tagline {
    font-family: 'DM Sans', sans-serif;
    font-size: 18px;
    color: var(--ash);
    line-height: 1.6;
    margin-bottom: 56px;
    max-width: 480px;
}

.manifest-cta-row {
    display: flex;
    align-items: center;
    gap: 24px;
}

.cta-link {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--bone);
    transition: color 0.3s ease;
}

.cta-link:hover {
    color: var(--ochre);
}

.cta-accent {
    color: var(--ochre);
    border-bottom: 1px solid rgba(200, 151, 58, 0.5);
    padding-bottom: 2px;
}

.cta-accent:hover {
    border-bottom-color: var(--ochre);
}

.cta-separator {
    color: rgba(140, 128, 112, 0.4);
    font-size: 12px;
    letter-spacing: 0.1em;
}

.manifest-watermark {
    position: absolute;
    bottom: -40px;
    right: -20px;
    z-index: var(--z-bleed);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 400px;
    color: rgba(92, 64, 51, 0.04);
    line-height: 1;
    pointer-events: none;
    user-select: none;
}

/* ============================================================
   SECTION II: CAPABILITIES
   ============================================================ */

.section-capabilities {
    position: relative;
    background: var(--bone);
    padding: 120px var(--edge);
}

.capabilities-header {
    margin-bottom: 72px;
    display: grid;
    grid-template-columns: var(--grid-cols);
    gap: var(--grid-gap);
}

.capabilities-header .bleed-rule {
    grid-column: 1 / 13;
}

.capabilities-header .section-eyebrow {
    grid-column: 1 / 6;
    align-self: end;
}

.section-eyebrow {
    color: var(--tobacco);
    font-size: 11px;
    letter-spacing: 0.25em;
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    align-items: start;
}

.capability-card {
    position: relative;
    overflow: hidden;
    padding: 48px 40px;
    min-height: 380px;
}

.capability-card--1 {
    margin-top: 0;
}

.capability-card--2 {
    margin-top: 48px;
}

.capability-card--3 {
    margin-top: -32px;
}

.card-marble {
    position: absolute;
    inset: 0;
    z-index: var(--z-marble);
    opacity: 0.3;
}

.capability-card--1 .card-marble { background-position: 0% 0%; }
.capability-card--2 .card-marble { background-position: 100% 60%; }
.capability-card--3 .card-marble { background-position: 40% 100%; }

.card-content {
    position: relative;
    z-index: var(--z-content);
}

.counter-number {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 64px;
    color: var(--ochre);
    line-height: 1;
    margin-bottom: 12px;
    letter-spacing: -0.03em;
}

.card-label {
    color: var(--ash);
    font-size: 11px;
    letter-spacing: 0.25em;
    margin-bottom: 20px;
}

.card-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 32px;
    line-height: 1.1;
    color: var(--charcoal);
    text-transform: lowercase;
    margin-bottom: 20px;
}

.card-body {
    font-family: 'DM Sans', sans-serif;
    font-size: 15px;
    color: var(--ash);
    line-height: 1.65;
}

/* ============================================================
   SECTION III: PROCESS
   ============================================================ */

.section-process {
    position: relative;
    background: var(--charcoal);
    padding: 120px var(--edge);
    overflow: hidden;
}

.process-header {
    margin-bottom: 80px;
}

.process-header .bleed-rule {
    border-top-color: rgba(140, 128, 112, 0.3);
}

.process-header .section-eyebrow {
    color: var(--ash);
}

.process-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--grid-gap);
    max-width: var(--max-width);
}

.process-step {
    position: relative;
    overflow: hidden;
    padding: 56px 48px;
    min-height: 340px;
}

.process-step--left {
    margin-top: 0;
}

.process-step--right {
    margin-top: 80px;
}

.step-marble {
    position: absolute;
    inset: 0;
    z-index: var(--z-marble);
    opacity: 0.12;
}

#step-1 .step-marble { background-position: 20% 20%; }
#step-2 .step-marble { background-position: 80% 40%; }
#step-3 .step-marble { background-position: 50% 80%; }
#step-4 .step-marble { background-position: 10% 70%; }

.step-watermark {
    position: absolute;
    top: -60px;
    right: -30px;
    z-index: var(--z-bleed);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 300px;
    line-height: 1;
    color: rgba(92, 64, 51, 0.04);
    pointer-events: none;
    user-select: none;
}

.step-content {
    position: relative;
    z-index: var(--z-content);
}

.step-number {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 600;
    font-size: 24px;
    color: var(--ochre);
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.step-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 48px;
    line-height: 1.05;
    color: var(--bone);
    text-transform: lowercase;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.step-body {
    font-family: 'DM Sans', sans-serif;
    font-size: 15px;
    color: var(--ash);
    line-height: 1.65;
    max-width: 360px;
}

/* ============================================================
   SECTION IV: WORK
   ============================================================ */

.section-work {
    position: relative;
    background: var(--slate);
    padding: 120px var(--edge);
    overflow: hidden;
}

.work-header {
    margin-bottom: 64px;
}

.work-header .bleed-rule {
    border-top-color: rgba(140, 128, 112, 0.25);
}

.work-header .section-eyebrow {
    color: var(--ash);
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: auto auto;
    gap: 24px;
    align-items: start;
}

.project-tile {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    min-height: 340px;
}

.project-tile--wide {
    grid-column: 1 / 8;
    grid-row: 1;
    margin-top: 0;
}

.project-tile--tall {
    grid-column: 8 / 13;
    grid-row: 1 / 3;
    min-height: 680px;
    margin-top: 48px;
}

.project-tile--narrow {
    grid-column: 1 / 5;
    grid-row: 2;
    margin-top: -32px;
}

.project-tile--medium {
    grid-column: 5 / 8;
    grid-row: 2;
    margin-top: 24px;
}

.project-marble {
    position: absolute;
    inset: 0;
    z-index: var(--z-marble);
}

.project-tile--wide   .project-marble { background-position: 20% 30%; }
.project-tile--tall   .project-marble { background-position: 90% 10%; }
.project-tile--narrow .project-marble { background-position: 50% 90%; }
.project-tile--medium .project-marble { background-position: 10% 50%; }

.color-overlay {
    position: absolute;
    inset: 0;
    z-index: var(--z-wash);
    background: var(--tobacco);
    opacity: 0.7;
    transition: opacity 0.4s ease;
}

.project-tile:hover .color-overlay {
    opacity: 0.2;
}

.project-content {
    position: relative;
    z-index: var(--z-content);
    padding: 40px 40px;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.project-year {
    font-size: 12px;
    color: var(--ochre);
    letter-spacing: 0.2em;
    margin-bottom: 8px;
}

.year-counter {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
}

.project-category {
    font-size: 10px;
    color: rgba(140, 128, 112, 0.8);
    letter-spacing: 0.2em;
    margin-bottom: 12px;
}

.project-title {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 28px;
    line-height: 1.1;
    color: var(--bone);
    text-transform: lowercase;
    margin-bottom: 12px;
}

.project-desc {
    font-family: 'DM Sans', sans-serif;
    font-size: 14px;
    color: rgba(232, 224, 208, 0.6);
    line-height: 1.6;
    max-width: 320px;
}

/* ============================================================
   SECTION V: CONTACT
   ============================================================ */

.section-contact {
    position: relative;
    background: var(--bone);
    padding: 120px var(--edge);
    overflow: hidden;
}

.contact-inner {
    position: relative;
    z-index: var(--z-content);
    max-width: var(--max-width);
}

.contact-header {
    margin-bottom: 64px;
}

.contact-heading {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(80px, 11vw, 160px);
    line-height: 0.9;
    text-transform: lowercase;
    color: var(--tobacco);
    letter-spacing: -0.04em;
    margin-top: 24px;
}

.contact-heading-bleed {
    display: inline-block;
    margin-left: 8vw;
    color: var(--charcoal);
    position: relative;
}

.contact-heading-bleed::after {
    content: '';
    position: absolute;
    right: -15%;
    top: 0;
    height: 100%;
    width: 20%;
    background: var(--bone);
    z-index: 1;
}

.contact-body {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 80px;
    align-items: start;
}

.contact-intro {
    font-family: 'DM Sans', sans-serif;
    font-size: 18px;
    color: var(--ash);
    line-height: 1.7;
    padding-top: 8px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.form-field {
    border-top: 2px solid rgba(92, 64, 51, 0.2);
    padding: 24px 0;
    position: relative;
}

.form-label {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--ash);
    margin-bottom: 12px;
    cursor: pointer;
    transition: color 0.3s ease;
}

.form-field:focus-within .form-label {
    color: var(--tobacco);
}

.line-number {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 18px;
    color: var(--ochre);
    min-width: 28px;
    display: inline-block;
    transition: color 0.3s ease;
}

.form-input {
    display: block;
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(92, 64, 51, 0.15);
    padding: 8px 0;
    font-family: 'DM Sans', sans-serif;
    font-size: 16px;
    color: var(--charcoal);
    outline: none;
    transition: border-color 0.3s ease;
    caret-color: var(--ochre);
}

.form-input::placeholder {
    color: rgba(140, 128, 112, 0.4);
}

.form-input:focus {
    border-bottom-color: var(--tobacco);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-submit-row {
    padding-top: 40px;
    border-top: 2px solid rgba(92, 64, 51, 0.2);
    margin-top: 8px;
}

.submit-btn {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 600;
    font-size: 16px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--bone);
    background: var(--tobacco);
    border: none;
    padding: 18px 48px;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
}

.submit-btn:hover {
    background: var(--charcoal);
    transform: translateX(4px);
}

.contact-watermark {
    position: absolute;
    bottom: -60px;
    left: -40px;
    z-index: var(--z-bleed);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 400px;
    color: rgba(92, 64, 51, 0.04);
    line-height: 1;
    pointer-events: none;
    user-select: none;
}

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

.site-footer {
    background: var(--charcoal);
    padding: 56px var(--edge);
    border-top: 1px solid rgba(140, 128, 112, 0.15);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.footer-name {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 20px;
    color: var(--bone);
    letter-spacing: -0.01em;
    text-transform: lowercase;
}

.footer-tagline {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 600;
    font-size: 11px;
    color: var(--ash);
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-link {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--ash);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--bone);
}

.footer-copy {
    font-size: 11px;
    letter-spacing: 0.15em;
    color: rgba(140, 128, 112, 0.5);
}

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

@media (max-width: 1024px) {
    .capability-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .capability-card--2,
    .capability-card--3 {
        margin-top: 0;
    }

    .process-grid {
        grid-template-columns: 1fr;
    }

    .process-step--right {
        margin-top: 0;
    }

    .work-grid {
        grid-template-columns: 1fr 1fr;
    }

    .project-tile--wide   { grid-column: 1 / 3; grid-row: 1; }
    .project-tile--tall   { grid-column: 1 / 2; grid-row: 2; min-height: 400px; margin-top: 0; }
    .project-tile--narrow { grid-column: 2 / 3; grid-row: 2; margin-top: 0; }
    .project-tile--medium { grid-column: 1 / 3; grid-row: 3; margin-top: 0; }

    .contact-body {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    :root {
        --edge: 24px;
    }

    .manifest-heading {
        font-size: clamp(60px, 18vw, 120px);
    }

    .work-grid {
        grid-template-columns: 1fr;
    }

    .project-tile--wide,
    .project-tile--tall,
    .project-tile--narrow,
    .project-tile--medium {
        grid-column: 1 / 2;
        grid-row: auto;
        min-height: 300px;
        margin-top: 0;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 16px;
    }

    .manifest-watermark {
        font-size: 200px;
    }

    .contact-heading {
        font-size: clamp(60px, 16vw, 100px);
    }
}