/* =========================================================
   ronri.net — vaporwave / ma-negative-space / candy-bright
   ========================================================= */

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

:root {
    --hot-pink: #FF6B9D;
    --electric-cyan: #00E5FF;
    --dream-lavender: #C4B5E0;
    --vapor-purple: #7C3AED;
    --grid-white: rgba(255, 255, 255, 0.15);
    --surface-dark: #1A1028;
    --mint-fresh: #A7F3D0;

    --gradient-candy: linear-gradient(
        135deg,
        var(--hot-pink) 0%,
        var(--electric-cyan) 50%,
        var(--dream-lavender) 100%
    );

    --font-headline: "Commissioner", "Inter", sans-serif;
    --font-body: "Inter", sans-serif;
    --font-code: "Fira Code", "Courier New", monospace;
}

html, body {
    background: var(--surface-dark);
    color: var(--surface-dark);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body {
    line-height: 1.75;
    min-height: 100vh;
    position: relative;
}

/* ---------- Fixed grid-line overlay ---------- */
.grid-overlay {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    mix-blend-mode: screen;
    opacity: 0.9;
}

/* ---------- Section base ---------- */
section, footer { position: relative; z-index: 2; }

/* =========================================================
   Digital Lobby
   ========================================================= */
.lobby {
    min-height: 100vh;
    width: 100%;
    background: var(--gradient-candy);
    background-size: 280% 280%;
    background-position: 0% 0%;
    animation: candyShift 30s ease-in-out infinite;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 30vh clamp(24px, 5vw, 80px) 18vh;
    position: relative;
    overflow: hidden;
}

@keyframes candyShift {
    0%, 100% { background-position: 0% 0%; }
    25%      { background-position: 100% 0%; }
    50%      { background-position: 100% 100%; }
    75%      { background-position: 0% 100%; }
}

.lobby-inner {
    position: relative;
    text-align: center;
    max-width: 720px;
    width: 100%;
}

.lobby-eyebrow {
    font-family: var(--font-code);
    font-size: 14px;
    color: rgba(26, 16, 40, 0.7);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: clamp(40px, 8vh, 80px);
    opacity: 0;
    transform: translateY(8px);
    animation: fadeInUp 1s ease 200ms forwards;
}

.wordmark {
    font-family: var(--font-headline);
    font-weight: 700;
    font-size: clamp(48px, 10vw, 128px);
    letter-spacing: 0.02em;
    color: var(--surface-dark);
    line-height: 1;
    text-shadow: 0 4px 40px rgba(255, 255, 255, 0.4);
    opacity: 0;
    transform: scale(0.95);
    animation: wordmarkIn 1.4s cubic-bezier(0.2, 0.8, 0.2, 1) 300ms forwards;
}

@keyframes wordmarkIn {
    from { opacity: 0; transform: scale(0.95); }
    to   { opacity: 1; transform: scale(1); }
}

.lobby-sub {
    font-family: var(--font-body);
    font-size: clamp(16px, 1.5vw, 18px);
    color: rgba(26, 16, 40, 0.8);
    max-width: 480px;
    margin: clamp(40px, 6vh, 64px) auto 0;
    opacity: 0;
    transform: translateY(12px);
    animation: fadeInUp 1.2s ease 900ms forwards;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Ripple host: 3 expanding rings emanating from wordmark center */
.ripple-host {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 0;
    height: 0;
    pointer-events: none;
}

.ripple-ring {
    position: absolute;
    left: 50%;
    top: 50%;
    width: clamp(120px, 30vh, 280px);
    aspect-ratio: 1;
    transform: translate(-50%, -50%) scale(0);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    opacity: 0;
    animation: rippleOut 2.4s cubic-bezier(0.2, 0.7, 0.2, 1) infinite;
}

.ripple-ring:nth-child(2) { animation-delay: 0.2s; }
.ripple-ring:nth-child(3) { animation-delay: 0.4s; }

@keyframes rippleOut {
    0%   { transform: translate(-50%, -50%) scale(0);   opacity: 0.5; }
    60%  { opacity: 0.15; }
    100% { transform: translate(-50%, -50%) scale(3);   opacity: 0; }
}

.lobby-coords {
    position: absolute;
    bottom: 32px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    padding: 0 clamp(24px, 5vw, 80px);
    font-family: var(--font-code);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: rgba(26, 16, 40, 0.55);
    text-transform: uppercase;
}

/* =========================================================
   Logic Fragments — ma negative space
   ========================================================= */
.fragments {
    background: linear-gradient(180deg, var(--dream-lavender) 0%, #d9c8ff 50%, #b9d8ff 100%);
    padding-block: clamp(120px, 20vh, 250px);
}

.fragment {
    margin-block: clamp(120px, 20vh, 250px);
    max-width: 500px;
    margin-inline: auto;
    padding-inline: clamp(24px, 5vw, 40px);
    text-align: left;
    position: relative;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 1s ease, transform 1s ease;
}

.fragment.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.frag-tag {
    font-family: var(--font-code);
    font-size: 12px;
    color: var(--vapor-purple);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 28px;
}

.frag-title {
    font-family: var(--font-headline);
    font-weight: 600;
    font-size: clamp(28px, 5vw, 64px);
    letter-spacing: 0.02em;
    color: var(--surface-dark);
    line-height: 1.1;
    margin-bottom: 32px;
}

.frag-body {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: clamp(16px, 1.5vw, 18px);
    color: rgba(26, 16, 40, 0.82);
    line-height: 1.75;
    margin-bottom: 28px;
}

.frag-code {
    font-family: var(--font-code);
    font-weight: 400;
    font-size: 14px;
    color: var(--vapor-purple);
    background: rgba(255, 255, 255, 0.45);
    padding: 8px 14px;
    border-radius: 4px;
    display: inline-block;
    border: 1px solid rgba(124, 58, 237, 0.2);
}

/* Block-center ripple (fired on visibility) */
.block-ripple {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 100px;
    height: 100px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    pointer-events: none;
    opacity: 0;
    animation: blockRipple 0.8s ease-out forwards;
}

.block-ripple.r2 { animation-delay: 0.2s; }
.block-ripple.r3 { animation-delay: 0.4s; }

@keyframes blockRipple {
    0%   { transform: translate(-50%, -50%) scale(0); opacity: 0.3; }
    100% { transform: translate(-50%, -50%) scale(3); opacity: 0; }
}

/* =========================================================
   The Grid Plane — perspective receding grid
   ========================================================= */
.plane {
    background: linear-gradient(180deg, #b9d8ff 0%, var(--electric-cyan) 35%, var(--hot-pink) 100%);
    background-size: 200% 200%;
    background-position: 0% 0%;
    animation: candyShift 40s ease-in-out infinite;
    min-height: 100vh;
    overflow: hidden;
    padding: clamp(120px, 18vh, 200px) 0 clamp(160px, 24vh, 280px);
    position: relative;
}

.plane-floor {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 55%;
    perspective: 700px;
    perspective-origin: 50% 0%;
    pointer-events: none;
}

.plane-grid {
    position: absolute;
    bottom: 0;
    left: -50%;
    right: -50%;
    height: 200%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.55) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.55) 1px, transparent 1px);
    background-size: 80px 80px;
    transform-origin: 50% 0%;
    transform: rotateX(70deg);
    animation: planeScroll 6s linear infinite;
}

@keyframes planeScroll {
    from { background-position: 0 0; }
    to   { background-position: 0 80px; }
}

.plane-content {
    position: relative;
    z-index: 2;
    max-width: 720px;
    margin: 0 auto;
    padding: 0 clamp(24px, 5vw, 80px);
    text-align: center;
}

.plane-eyebrow {
    font-family: var(--font-code);
    font-size: 12px;
    color: var(--surface-dark);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 32px;
}

.plane-title {
    font-family: var(--font-headline);
    font-weight: 700;
    font-size: clamp(28px, 5vw, 64px);
    letter-spacing: 0.02em;
    color: var(--surface-dark);
    line-height: 1.15;
    margin-bottom: clamp(48px, 8vh, 80px);
    text-shadow: 0 2px 24px rgba(255, 255, 255, 0.4);
}

.plane-statements {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: clamp(16px, 3vh, 28px);
    max-width: 520px;
    margin: 0 auto;
}

.plane-statements li {
    display: flex;
    align-items: baseline;
    gap: 20px;
    padding: 16px 20px;
    background: rgba(26, 16, 40, 0.08);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 4px;
    text-align: left;
}

.plane-num {
    font-family: var(--font-code);
    font-size: 13px;
    color: var(--vapor-purple);
    letter-spacing: 0.2em;
    flex-shrink: 0;
}

.plane-text {
    font-family: var(--font-body);
    font-size: clamp(15px, 1.4vw, 17px);
    color: var(--surface-dark);
    line-height: 1.5;
}

/* =========================================================
   Sunset Footer
   ========================================================= */
.sunset {
    background: linear-gradient(180deg, var(--hot-pink) 0%, var(--vapor-purple) 60%, var(--surface-dark) 100%);
    min-height: 80vh;
    overflow: hidden;
    position: relative;
    padding-top: clamp(120px, 18vh, 200px);
}

.sunset-floor {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    perspective: 600px;
    perspective-origin: 50% 0%;
    pointer-events: none;
}

.sunset-grid {
    position: absolute;
    bottom: 0;
    left: -50%;
    right: -50%;
    height: 200%;
    background-image:
        linear-gradient(rgba(255, 107, 157, 0.5) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 229, 255, 0.5) 1px, transparent 1px);
    background-size: 80px 80px;
    transform-origin: 50% 0%;
    transform: rotateX(74deg);
    animation: planeScroll 8s linear infinite;
}

.sunset-inner {
    position: relative;
    z-index: 2;
    max-width: 720px;
    margin: 0 auto;
    padding: 0 clamp(24px, 5vw, 80px) clamp(80px, 14vh, 140px);
    text-align: center;
}

.sunset-mark {
    font-family: var(--font-headline);
    font-weight: 700;
    font-size: clamp(40px, 7vw, 88px);
    letter-spacing: 0.02em;
    color: #fff;
    text-shadow: 0 4px 40px rgba(255, 107, 157, 0.6);
    margin-bottom: 24px;
}

.sunset-tag {
    font-family: var(--font-code);
    font-size: 14px;
    color: var(--mint-fresh);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.sunset-meta {
    font-family: var(--font-body);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.05em;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 720px) {
    .lobby { padding-top: 25vh; padding-bottom: 14vh; }
    .lobby-coords { font-size: 10px; gap: 8px; flex-wrap: wrap; justify-content: center; }
    .lobby-coords span:nth-child(2) { display: none; }
    .fragment { margin-block: clamp(80px, 14vh, 160px); }
    .plane-statements li { padding: 14px 16px; gap: 14px; }
}

@media (max-width: 480px) {
    .frag-title { letter-spacing: 0; }
    .lobby-coords { display: none; }
}