/* ============================================================
   sarampass.com — Gold-on-Black Maximalist Credential
   Aesthetic: maximalist | Layout: f-pattern | Tone: tech-tutorial
   ============================================================ */

:root {
    --identity-black: #0A0A0A;
    --credential-gold: #C8A040;
    --stamp-red: #B91C1C;
    --noise-charcoal: #1A1A1A;
    --parchment-gold: #E8D8B0;
    --retro-orange: #D97706;
    --deep-void: #050505;

    --font-headline: 'Anton', 'Oswald', 'Impact', sans-serif;
    --font-body: 'Barlow', 'Helvetica Neue', sans-serif;
    --font-mono: 'Fira Code', 'Menlo', monospace;

    --frame-thickness: 24px;
    --section-pad: clamp(48px, 6vw, 96px);
}

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

html {
    scroll-behavior: smooth;
    background: var(--identity-black);
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--parchment-gold);
    background-color: var(--identity-black);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

.noise-defs {
    position: absolute;
    width: 0;
    height: 0;
    pointer-events: none;
}

/* Global noise-grain overlay applied per-section.
   Implemented via SVG feTurbulence baked into a data-URI tile. */
.noise-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.06;
    mix-blend-mode: screen;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.78  0 0 0 0 0.62  0 0 0 0 0.25  0 0 0 0.55 0'/></filter><rect width='220' height='220' filter='url(%23n)'/></svg>");
    background-size: 220px 220px;
    z-index: 0;
}

/* ---------- VIEWPORT-EDGE PATTERN FRAME ---------- */
.viewport-frame {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 60;
}

.frame-edge {
    position: absolute;
    overflow: hidden;
    background: var(--deep-void);
}

.frame-edge svg {
    display: block;
}

.frame-top, .frame-bottom {
    left: 0;
    right: 0;
    height: var(--frame-thickness);
}

.frame-top { top: 0; transform-origin: top center; transform: scaleY(0); }
.frame-bottom { bottom: 0; transform-origin: bottom center; transform: scaleY(0); }
.frame-left, .frame-right {
    top: 0;
    bottom: 0;
    width: var(--frame-thickness);
}
.frame-left { left: 0; transform-origin: left center; transform: scaleX(0); }
.frame-right { right: 0; transform-origin: right center; transform: scaleX(0); }

.viewport-frame.activated .frame-top { animation: drawFrameY 0.6s 0.05s ease-out forwards; }
.viewport-frame.activated .frame-right { animation: drawFrameX 0.6s 0.20s ease-out forwards; }
.viewport-frame.activated .frame-bottom { animation: drawFrameY 0.6s 0.35s ease-out forwards; }
.viewport-frame.activated .frame-left { animation: drawFrameX 0.6s 0.50s ease-out forwards; }

@keyframes drawFrameX {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
}
@keyframes drawFrameY {
    from { transform: scaleY(0); }
    to { transform: scaleY(1); }
}

/* ---------- SHARED LIFTABLE PATTERN ---------- */
[data-lift="true"] {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    will-change: transform;
}

/* ---------- CREDENTIAL HERO (100vh) ---------- */
.credential {
    position: relative;
    min-height: 100vh;
    background: var(--identity-black);
    padding: calc(var(--frame-thickness) + 56px) calc(var(--frame-thickness) + 64px) calc(var(--frame-thickness) + 56px);
    display: grid;
    grid-template-columns: 2fr 1fr;
    grid-template-rows: auto 1fr auto;
    gap: 28px 48px;
    align-items: start;
    overflow: hidden;
}

.credential-corner {
    position: absolute;
    width: 96px;
    height: 96px;
    border: 2px solid var(--credential-gold);
    z-index: 2;
    opacity: 0;
    animation: cornerFade 0.8s 0.3s ease-out forwards;
}
.corner-tl { top: 36px; left: 36px; border-right: 0; border-bottom: 0; }
.corner-tr { top: 36px; right: 36px; border-left: 0; border-bottom: 0; }
.corner-bl { bottom: 36px; left: 36px; border-right: 0; border-top: 0; }
.corner-br { bottom: 36px; right: 36px; border-left: 0; border-top: 0; }

@keyframes cornerFade {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

.credential-meta {
    grid-column: 1 / -1;
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    z-index: 2;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--credential-gold);
    letter-spacing: 0.08em;
    opacity: 0;
    animation: metaFade 0.6s 0.55s ease-out forwards;
}

.meta-line { display: inline-flex; align-items: center; gap: 10px; }
.meta-key { color: var(--retro-orange); font-weight: 400; }
.meta-val { color: var(--parchment-gold); }

@keyframes metaFade {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

.wordmark {
    grid-column: 1 / -1;
    z-index: 2;
    font-family: var(--font-headline);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    line-height: 0.85;
    color: var(--credential-gold);
    opacity: 0;
    animation: wordmarkFade 0.9s 0.4s ease-out forwards;
}

.wordmark-line {
    display: block;
}

.wordmark-primary {
    font-size: clamp(64px, 14vw, 220px);
    text-shadow: 0 0 0 var(--credential-gold);
}

.wordmark-secondary {
    font-size: clamp(48px, 10vw, 160px);
    color: var(--parchment-gold);
    -webkit-text-stroke: 2px var(--credential-gold);
    color: transparent;
    margin-left: clamp(12px, 4vw, 60px);
}

@keyframes wordmarkFade {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.accent-line {
    grid-column: 1 / -1;
    z-index: 2;
    width: 100%;
    height: 4px;
    overflow: visible;
}

.accent-line-top { margin-top: -8px; }
.accent-line-bottom { margin-bottom: 0; }

.accent-line-stroke {
    animation: drawAccent 0.8s 0.7s ease-out forwards;
}

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

.credential-subtitle {
    grid-column: 1 / 2;
    z-index: 2;
    max-width: 640px;
    font-size: clamp(16px, 1.6vw, 20px);
    color: var(--parchment-gold);
    line-height: 1.55;
    font-weight: 400;
    border-left: 2px solid var(--credential-gold);
    padding-left: 18px;
    opacity: 0;
    animation: metaFade 0.6s 0.85s ease-out forwards;
}

.credential-stamp {
    grid-column: 2 / 3;
    grid-row: 4;
    justify-self: end;
    align-self: end;
    z-index: 2;
    transform: rotate(-12deg);
    opacity: 0;
    animation: stampPunch 0.5s 1.0s ease-out forwards;
    filter: drop-shadow(0 4px 14px rgba(185, 28, 28, 0.25));
}

[data-lift="true"].credential-stamp {
    /* hover-lift composes with the stamp tilt */
    transform-origin: center;
}

@keyframes stampPunch {
    0% { opacity: 0; transform: rotate(-30deg) scale(1.6); }
    70% { opacity: 1; transform: rotate(-8deg) scale(0.95); }
    100% { opacity: 1; transform: rotate(-12deg) scale(1); }
}

.scroll-cue {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.3em;
    color: var(--credential-gold);
    opacity: 0;
    animation: cueFade 0.8s 1.4s ease-out forwards;
}

.scroll-cue-arrow {
    font-size: 18px;
    animation: cueBounce 1.6s ease-in-out infinite;
}

@keyframes cueFade {
    from { opacity: 0; }
    to { opacity: 0.85; }
}

@keyframes cueBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}

/* ---------- IDENTITY SECTIONS — F-PATTERN TUTORIAL ---------- */
.identity-section {
    position: relative;
    background: var(--noise-charcoal);
    padding: var(--section-pad) calc(var(--frame-thickness) + 32px);
    border-top: 2px solid var(--credential-gold);
    border-bottom: 2px solid var(--credential-gold);
    overflow: hidden;
}

.identity-section + .identity-section {
    border-top: 0;
}

.identity-section::before {
    /* outer pattern stripe (left edge) */
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: var(--frame-thickness);
    width: 8px;
    background-image:
        linear-gradient(var(--retro-orange) 50%, transparent 50%),
        linear-gradient(90deg, var(--credential-gold) 50%, transparent 50%);
    background-size: 8px 16px, 8px 8px;
    background-repeat: repeat-y;
    opacity: 0.7;
    z-index: 1;
}

.identity-section .section-marker,
.identity-section .section-headline,
.identity-section .section-body,
.identity-section .section-sidebar {
    position: relative;
    z-index: 2;
}

.identity-section {
    display: grid;
    grid-template-columns: 2fr 1fr;
    grid-template-rows: auto auto auto;
    gap: 24px 48px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-marker {
    grid-column: 1 / -1;
    display: flex;
    align-items: baseline;
    gap: 18px;
    color: var(--credential-gold);
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.section-num {
    font-family: var(--font-headline);
    font-size: clamp(28px, 3vw, 44px);
    color: var(--retro-orange);
    -webkit-text-stroke: 1px var(--retro-orange);
}

.section-label { color: var(--parchment-gold); opacity: 0.8; }

.section-headline {
    grid-column: 1 / -1;
    font-family: var(--font-headline);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    line-height: 0.92;
    font-size: clamp(48px, 10vw, 136px);
    color: var(--credential-gold);
}

.section-headline em {
    font-style: normal;
    color: var(--parchment-gold);
    -webkit-text-stroke: 1.5px var(--credential-gold);
    color: transparent;
    display: inline-block;
    font-size: clamp(32px, 7vw, 96px);
}

.section-body {
    grid-column: 1 / 2;
    font-size: clamp(16px, 1.4vw, 18px);
    color: var(--parchment-gold);
    max-width: 640px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.section-body .lead {
    font-size: clamp(18px, 1.7vw, 22px);
    color: var(--credential-gold);
    font-weight: 600;
    border-left: 3px solid var(--retro-orange);
    padding-left: 16px;
    line-height: 1.5;
}

.section-body strong {
    color: var(--credential-gold);
    font-weight: 600;
}

.tutorial-steps {
    list-style: none;
    margin: 8px 0;
    padding: 18px 22px;
    background: var(--identity-black);
    border: 1.5px solid var(--credential-gold);
    border-left-width: 6px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
}

.tutorial-steps::after {
    content: '// HUMAN-PASS PROCEDURE';
    position: absolute;
    top: -10px;
    right: 14px;
    background: var(--noise-charcoal);
    padding: 0 8px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--retro-orange);
}

.tutorial-steps li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.55;
    color: var(--parchment-gold);
}

.step-num {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--credential-gold);
    color: var(--identity-black);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-headline);
    font-size: 14px;
    font-weight: 400;
}

.annotation {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--parchment-gold);
    opacity: 0.78;
    border-top: 1px dashed var(--credential-gold);
    padding-top: 12px;
}

.annotation-tag {
    color: var(--retro-orange);
    margin-right: 8px;
}

.section-sidebar {
    grid-column: 2 / 3;
    grid-row: 3;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    align-self: stretch;
    min-height: 320px;
}

.sidebar-pattern {
    flex: 1;
    width: 100%;
    min-height: 80px;
    opacity: 0.85;
}

.sidebar-stamp {
    border: 2px solid var(--stamp-red);
    color: var(--stamp-red);
    text-align: center;
    padding: 14px 6px;
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    transform: rotate(-4deg);
    background: rgba(185, 28, 28, 0.04);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-stamp .stamp-line:nth-child(2) {
    font-family: var(--font-headline);
    font-size: 24px;
    letter-spacing: 0.05em;
}

/* ---------- THE ARCHIVE ---------- */
.archive {
    position: relative;
    background: var(--identity-black);
    padding: var(--section-pad) calc(var(--frame-thickness) + 48px);
    border-top: 2px solid var(--credential-gold);
    overflow: hidden;
}

.archive-header {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px 48px;
    max-width: 1200px;
    margin: 0 auto 56px;
}

.archive-eyebrow {
    grid-column: 1 / -1;
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 0.3em;
    color: var(--retro-orange);
    text-transform: uppercase;
}

.archive-headline {
    grid-column: 1 / 2;
    font-family: var(--font-headline);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    line-height: 0.9;
    font-size: clamp(48px, 10vw, 132px);
    color: var(--credential-gold);
}

.archive-lede {
    grid-column: 2 / 3;
    align-self: end;
    font-size: clamp(15px, 1.3vw, 17px);
    color: var(--parchment-gold);
    border-left: 2px solid var(--credential-gold);
    padding-left: 14px;
    line-height: 1.55;
    opacity: 0.85;
}

.archive-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 18px;
    max-width: 1200px;
    margin: 0 auto;
}

.archive-card {
    position: relative;
    background: var(--noise-charcoal);
    border: 1.5px solid var(--credential-gold);
    padding: 22px 18px 18px;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 10px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    will-change: transform;
}

.archive-card::before {
    content: '';
    position: absolute;
    inset: 6px;
    border: 1px dashed rgba(200, 160, 64, 0.45);
    pointer-events: none;
}

.archive-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background-image:
        repeating-linear-gradient(90deg,
            var(--credential-gold) 0 6px,
            var(--retro-orange) 6px 12px,
            transparent 12px 18px);
    opacity: 0.85;
}

.archive-card .card-num {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--retro-orange);
    text-transform: uppercase;
}

.archive-card .card-quality {
    font-family: var(--font-headline);
    font-size: clamp(28px, 3vw, 38px);
    line-height: 0.95;
    text-transform: uppercase;
    color: var(--credential-gold);
    letter-spacing: -0.01em;
}

.archive-card .card-meaning {
    font-family: var(--font-body);
    font-size: 13.5px;
    line-height: 1.5;
    color: var(--parchment-gold);
    opacity: 0.85;
}

.archive-card .card-stamp {
    align-self: flex-end;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.25em;
    color: var(--stamp-red);
    border: 1px solid var(--stamp-red);
    padding: 3px 8px;
    text-transform: uppercase;
    transform: rotate(-4deg);
}

/* ---------- VAULT FOOTER ---------- */
.vault {
    position: relative;
    background: var(--deep-void);
    padding: 48px calc(var(--frame-thickness) + 48px) 64px;
    overflow: hidden;
    border-top: 2px solid var(--credential-gold);
}

.vault-frame-top, .vault-frame-bottom {
    position: relative;
    z-index: 2;
    line-height: 0;
}

.vault-frame-top { margin-bottom: 36px; }
.vault-frame-bottom { margin-top: 36px; }

.vault-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 36px 48px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: end;
}

.vault-mark {
    grid-column: 1 / 2;
    display: flex;
    flex-direction: column;
    gap: 4px;
    color: var(--credential-gold);
}

.vault-glyph {
    font-family: var(--font-headline);
    font-size: clamp(72px, 9vw, 132px);
    line-height: 0.85;
    letter-spacing: -0.04em;
    color: var(--credential-gold);
}

.vault-domain {
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 0.3em;
    color: var(--parchment-gold);
}

.vault-meta {
    grid-column: 2 / 3;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 18px;
}

.vault-col {
    display: flex;
    flex-direction: column;
    gap: 2px;
    border-left: 2px solid var(--credential-gold);
    padding-left: 10px;
}

.vault-label {
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.22em;
    color: var(--retro-orange);
    text-transform: uppercase;
}

.vault-val {
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--parchment-gold);
    font-weight: 600;
}

.vault-val-stamp {
    color: var(--stamp-red);
    border: 1px solid var(--stamp-red);
    padding: 2px 6px;
    align-self: flex-start;
    font-family: var(--font-mono);
    letter-spacing: 0.18em;
    font-size: 11px;
}

.vault-stripe {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 14px;
    border-top: 1.5px solid var(--credential-gold);
    border-bottom: 1.5px solid var(--credential-gold);
    padding: 12px 0;
    overflow: hidden;
    color: var(--credential-gold);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.3em;
    white-space: nowrap;
}

.stripe-glyph {
    font-family: var(--font-headline);
    color: var(--retro-orange);
    font-size: 24px;
    flex-shrink: 0;
}

.stripe-text {
    flex: 1;
    overflow: hidden;
    text-overflow: clip;
    text-transform: uppercase;
    color: var(--parchment-gold);
    animation: stripeScroll 28s linear infinite;
}

@keyframes stripeScroll {
    from { transform: translateX(0); }
    to { transform: translateX(-25%); }
}

/* ---------- HOVER-LIFT ENHANCEMENT (proximity-driven via JS) ---------- */
.archive-card.is-near {
    box-shadow: 0 8px 24px rgba(200, 160, 64, 0.18);
    border-color: var(--parchment-gold);
}

[data-lift="true"].is-near {
    box-shadow: 0 8px 24px rgba(200, 160, 64, 0.15);
}

/* ---------- RESPONSIVE COLLAPSE ---------- */
@media (max-width: 900px) {
    .credential {
        grid-template-columns: 1fr;
        padding: calc(var(--frame-thickness) + 36px) 28px calc(var(--frame-thickness) + 56px);
    }
    .credential-stamp {
        grid-column: 1 / -1;
        justify-self: end;
    }
    .corner-tl, .corner-tr, .corner-bl, .corner-br {
        width: 64px;
        height: 64px;
    }
    .corner-tl, .corner-tr { top: 30px; }
    .corner-bl, .corner-br { bottom: 30px; }
    .corner-tl, .corner-bl { left: 30px; }
    .corner-tr, .corner-br { right: 30px; }

    .identity-section {
        grid-template-columns: 1fr;
        padding: var(--section-pad) 28px;
    }
    .section-body { grid-column: 1 / -1; }
    .section-sidebar {
        grid-column: 1 / -1;
        grid-row: auto;
        flex-direction: row;
        min-height: 100px;
        gap: 10px;
    }
    .sidebar-pattern { min-height: 80px; }
    .sidebar-stamp { flex-shrink: 0; min-width: 110px; }

    .archive-header {
        grid-template-columns: 1fr;
    }
    .archive-headline, .archive-lede {
        grid-column: 1 / -1;
    }

    .vault-content {
        grid-template-columns: 1fr;
    }
    .vault-meta {
        grid-template-columns: 1fr;
    }
}