/* miris-project.net — sketchbook of a network */

/* ============== Reset / Base ============== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    background: #FBF6F0;
    color: #3A3A3A;
    font-family: 'Nunito', system-ui, sans-serif;
    font-size: clamp(14px, 1vw, 17px);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* ============== Color tokens ============== */
:root {
    --aurora-green: #80D8B0;
    --aurora-purple: #B080D8;
    --aurora-pink: #D880B0;
    --cream-paper: #FBF6F0;
    --sketch-charcoal: #3A3A3A;
    --mountain-blue: #5A7A9A;
    --annotation-brown: #6A5A4A;
}

/* ============== Aurora background ============== */
.aurora {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}
.aurora-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    mix-blend-mode: multiply;
    opacity: 0.55;
    will-change: transform;
}
.aurora-green {
    width: 60vmax;
    height: 60vmax;
    background: radial-gradient(circle, rgba(128, 216, 176, 0.7) 0%, rgba(128, 216, 176, 0) 60%);
    top: -20vmax;
    left: -10vmax;
    animation: aurora-drift-a 26s ease-in-out infinite alternate;
}
.aurora-purple {
    width: 50vmax;
    height: 50vmax;
    background: radial-gradient(circle, rgba(176, 128, 216, 0.55) 0%, rgba(176, 128, 216, 0) 60%);
    top: 30vmax;
    right: -20vmax;
    animation: aurora-drift-b 32s ease-in-out infinite alternate;
}
.aurora-pink {
    width: 55vmax;
    height: 55vmax;
    background: radial-gradient(circle, rgba(216, 128, 176, 0.45) 0%, rgba(216, 128, 176, 0) 60%);
    bottom: -25vmax;
    left: 30vmax;
    animation: aurora-drift-c 38s ease-in-out infinite alternate;
}

@keyframes aurora-drift-a {
    0%   { transform: translate(0, 0) scale(1); }
    50%  { transform: translate(8vmax, 4vmax) scale(1.08); }
    100% { transform: translate(-4vmax, 6vmax) scale(0.94); }
}
@keyframes aurora-drift-b {
    0%   { transform: translate(0, 0) scale(1); }
    50%  { transform: translate(-6vmax, -3vmax) scale(1.1); }
    100% { transform: translate(5vmax, -5vmax) scale(0.92); }
}
@keyframes aurora-drift-c {
    0%   { transform: translate(0, 0) scale(1); }
    50%  { transform: translate(7vmax, -5vmax) scale(1.06); }
    100% { transform: translate(-5vmax, 3vmax) scale(0.96); }
}

/* ============== Page wrapper ============== */
.page {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 4vw;
}

/* ============== Hero ============== */
.hero {
    position: relative;
    min-height: 100vh;
    padding: 6vw 2vw 0;
    display: flex;
    align-items: stretch;
    justify-content: center;
    overflow: hidden;
}
.hero-inner {
    position: relative;
    width: 100%;
    display: grid;
    grid-template-rows: auto auto 1fr auto;
}

.logotype {
    font-family: 'Poiret One', 'Inter', sans-serif;
    font-weight: 400;
    font-size: clamp(48px, 9vw, 132px);
    line-height: 0.95;
    letter-spacing: 0.02em;
    color: var(--sketch-charcoal);
    justify-self: end;
    margin-right: -1vw;
    margin-top: 2vw;
    text-align: right;
    opacity: 0;
    transform: translateY(8px);
    animation: fade-up 1.2s ease 1.5s forwards;
}
.logotype-line { display: inline-block; }
.logotype-dash { display: inline-block; color: var(--aurora-purple); padding: 0 0.05em; }
.logotype-dot { color: var(--aurora-pink); }
.logotype-tld { color: var(--mountain-blue); font-style: italic; }

.tagline {
    font-family: 'Caveat', cursive;
    font-size: clamp(18px, 1.6vw, 28px);
    color: var(--annotation-brown);
    justify-self: end;
    margin-right: 2vw;
    margin-top: 0.5em;
    max-width: 36ch;
    text-align: right;
    opacity: 0;
    animation: fade-up 1.2s ease 1.8s forwards;
}

.hero-margin-doodle {
    position: absolute;
    will-change: transform;
}
.hero-margin-doodle--left {
    left: 1vw;
    top: 5vw;
}
.hero-margin-doodle--right {
    right: 4vw;
    top: 22vw;
    opacity: 0;
    animation: fade-up 1.2s ease 2.2s forwards;
}
.hero-margin-doodle--left {
    opacity: 0;
    animation: fade-up 1.2s ease 2s forwards;
}

.mountain-landscape {
    width: calc(100% + 8vw);
    height: clamp(220px, 36vw, 460px);
    margin-left: -4vw;
    margin-right: -4vw;
    margin-top: auto;
    align-self: end;
    display: block;
}
.mountain-landscape path {
    stroke-dasharray: 1;
    stroke-dashoffset: 1;
    animation: draw-ridge 3s ease-out forwards;
}
.mountain-landscape #ridge-back  { animation-delay: 0.2s; }
.mountain-landscape #ridge-mid   { animation-delay: 0.7s; }
.mountain-landscape #ridge-front { animation-delay: 1.2s; }

@keyframes draw-ridge {
    0%   { stroke-dashoffset: 1; fill-opacity: 0; }
    60%  { stroke-dashoffset: 0; }
    100% { stroke-dashoffset: 0; fill-opacity: 1; }
}

@keyframes fade-up {
    to { opacity: 1; transform: translateY(0); }
}

.scroll-hint {
    position: absolute;
    bottom: 1vw;
    left: 4vw;
    color: var(--annotation-brown);
    opacity: 0;
    animation: fade-up 1.2s ease 3s forwards, scroll-bob 2.6s ease-in-out 4s infinite;
}
@keyframes scroll-bob {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(6px); }
}

/* ============== Annotations ============== */
.annotation {
    font-family: 'Caveat', cursive;
    font-size: clamp(16px, 1.2vw, 20px);
    color: var(--annotation-brown);
    display: inline-block;
}
.annotation--rotate-l { transform: rotate(-3deg); }
.annotation--rotate-r { transform: rotate(2deg); }

/* ============== Generic block ============== */
.block {
    position: relative;
    padding: clamp(60px, 9vw, 140px) 0;
    display: grid;
    gap: clamp(24px, 3vw, 56px);
}
.block-card {
    background: var(--cream-paper);
    border: 1.5px solid rgba(58, 58, 58, 0.18);
    border-radius: 18px;
    padding: clamp(24px, 3vw, 44px);
    box-shadow: 6px 8px 0 rgba(58, 58, 58, 0.06);
    will-change: transform;
    transition: transform 200ms cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 200ms ease;
    position: relative;
}
.block-card:hover {
    box-shadow: 8px 12px 0 rgba(58, 58, 58, 0.1);
}
.block-h {
    font-family: 'Poiret One', 'Inter', sans-serif;
    font-weight: 400;
    font-size: clamp(28px, 4vw, 52px);
    color: var(--sketch-charcoal);
    line-height: 1.05;
    margin-bottom: 0.6em;
    letter-spacing: 0.02em;
}
.block-p {
    font-family: 'Nunito', sans-serif;
    font-size: clamp(15px, 1.05vw, 18px);
    line-height: 1.75;
    color: var(--sketch-charcoal);
    max-width: 64ch;
}
.block-p--narrow { max-width: 52ch; }

/* asymmetric blocks */
.block--left {
    grid-template-columns: minmax(0, 56%) minmax(0, 1fr);
    align-items: start;
}
.block--left .block-card { grid-column: 1; margin-left: 4vw; }
.block--left .block-doodle { grid-column: 2; justify-self: end; padding-right: 4vw; padding-top: 3vw; }

.block--right {
    grid-template-columns: minmax(0, 1fr) minmax(0, 64%);
    align-items: start;
}
.block--right .block-card { grid-column: 2; margin-right: 2vw; }
.block--right .diagram { grid-column: 1 / -1; padding: 2vw 4vw 0; }

.block--components { grid-template-columns: 1fr; padding-left: 4vw; padding-right: 4vw; }
.block--timeline { grid-template-columns: 1fr; padding-left: 6vw; padding-right: 4vw; }
.block--join { grid-template-columns: 1fr; padding: clamp(60px, 9vw, 140px) 0 0; }

.block-card .annotation {
    position: absolute;
    top: -20px;
    right: 16px;
    background: var(--cream-paper);
    padding: 0 8px;
}

/* ============== Architecture diagram ============== */
.diagram {
    width: 100%;
}
.diagram svg {
    width: 100%;
    height: auto;
    max-height: 60vh;
    display: block;
}

/* ============== Components grid ============== */
.block-header {
    margin-bottom: clamp(24px, 3vw, 48px);
    max-width: 700px;
}
.components-grid {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: clamp(20px, 2vw, 36px);
}
.component {
    background: var(--cream-paper);
    border: 1.5px solid rgba(58, 58, 58, 0.18);
    border-radius: 16px;
    padding: clamp(20px, 2vw, 32px);
    position: relative;
    will-change: transform;
    transition: transform 200ms cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 200ms ease;
    box-shadow: 4px 6px 0 rgba(58, 58, 58, 0.06);
    overflow: visible;
}
.component:hover {
    box-shadow: 6px 10px 0 rgba(58, 58, 58, 0.1);
}
.component:nth-child(odd)  { transform: rotate(-0.6deg); }
.component:nth-child(even) { transform: rotate(0.7deg); }

.component-icon {
    margin-bottom: 0.8em;
    display: block;
}
.component-h {
    font-family: 'Poiret One', 'Inter', sans-serif;
    font-weight: 400;
    font-size: clamp(20px, 2vw, 28px);
    color: var(--sketch-charcoal);
    margin-bottom: 0.3em;
    letter-spacing: 0.03em;
}
.component-p {
    font-size: clamp(14px, 1vw, 16px);
    color: var(--sketch-charcoal);
    margin-bottom: 0.8em;
}
.component-tag {
    color: var(--annotation-brown);
}

/* color accents */
.component[data-color="green"]  { border-top: 4px solid var(--aurora-green); }
.component[data-color="purple"] { border-top: 4px solid var(--aurora-purple); }
.component[data-color="pink"]   { border-top: 4px solid var(--aurora-pink); }
.component[data-color="brown"]  { border-top: 4px solid var(--annotation-brown); }
.component[data-color="blue"]   { border-top: 4px solid var(--mountain-blue); }

/* ============== Timeline ============== */
.timeline {
    list-style: none;
    position: relative;
    padding-left: 2.5vw;
    margin-top: clamp(24px, 3vw, 48px);
    border-left: 2px dashed rgba(106, 90, 74, 0.5);
}
.timeline-entry {
    position: relative;
    margin-bottom: clamp(28px, 3vw, 56px);
    padding-left: clamp(20px, 2vw, 36px);
    will-change: transform;
    transition: transform 200ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.timeline-entry::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 0.6em;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--aurora-pink);
    border: 1.5px solid var(--sketch-charcoal);
    box-shadow: 0 0 0 4px var(--cream-paper);
}
.timeline-entry:nth-child(2)::before { background: var(--aurora-purple); }
.timeline-entry:nth-child(3)::before { background: var(--aurora-green); }
.timeline-entry:nth-child(4)::before { background: var(--mountain-blue); }

.timeline-date {
    font-family: 'Caveat', cursive;
    color: var(--annotation-brown);
    margin-bottom: 0.2em;
    transform: rotate(-2deg);
}
.timeline-text h3 {
    font-family: 'Poiret One', 'Inter', sans-serif;
    font-weight: 400;
    font-size: clamp(20px, 2vw, 28px);
    color: var(--sketch-charcoal);
    margin-bottom: 0.3em;
    letter-spacing: 0.03em;
}
.timeline-text p {
    font-size: clamp(14px, 1vw, 16px);
    color: var(--sketch-charcoal);
    max-width: 60ch;
}

/* ============== Join card ============== */
.join-card {
    background: var(--cream-paper);
    border: 1.5px solid rgba(58, 58, 58, 0.18);
    border-radius: 22px;
    padding: clamp(28px, 4vw, 56px);
    margin: 0 6vw 0 12vw;
    position: relative;
    will-change: transform;
    transition: transform 200ms cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 200ms ease;
    box-shadow: 8px 12px 0 rgba(58, 58, 58, 0.07);
    max-width: 720px;
}
.join-card .annotation {
    position: absolute;
    top: -16px;
    left: 24px;
    background: var(--cream-paper);
    padding: 0 8px;
}
.join-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 1.4em;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 22px;
    font-family: 'Nunito', sans-serif;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 999px;
    border: 1.5px solid var(--sketch-charcoal);
    color: var(--sketch-charcoal);
    background: var(--cream-paper);
    transition: transform 200ms cubic-bezier(0.2, 0.8, 0.2, 1), background 200ms ease, color 200ms ease;
    will-change: transform;
}
.btn--primary {
    background: var(--aurora-pink);
    color: var(--cream-paper);
}
.btn--primary:hover {
    background: var(--aurora-purple);
}
.btn--ghost:hover {
    background: var(--aurora-green);
}

.footer-mountain {
    width: calc(100% + 8vw);
    height: clamp(120px, 16vw, 220px);
    margin-left: -4vw;
    margin-right: -4vw;
    margin-top: clamp(40px, 6vw, 80px);
    display: block;
}

/* ============== Footer ============== */
.page-footer {
    text-align: center;
    padding: 2vw 4vw 4vw;
    color: var(--annotation-brown);
}
.page-footer p { font-size: 14px; }
.page-footer .annotation { font-size: 18px; opacity: 0.8; margin-top: 0.5em; }

/* ============== Cursor trail ============== */
.cursor-trail {
    position: fixed;
    top: 0;
    left: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(216, 128, 176, 0.5) 0%, rgba(216, 128, 176, 0) 70%);
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: transform 100ms ease, width 200ms ease, height 200ms ease;
    mix-blend-mode: multiply;
    opacity: 0;
}
.cursor-trail.is-visible { opacity: 1; }
.cursor-trail.is-near    { width: 56px; height: 56px; }

/* ============== Responsive ============== */
@media (max-width: 900px) {
    .hero-margin-doodle--left  { left: 0; top: 1vw; }
    .hero-margin-doodle--right { right: 0; top: 14vw; transform: scale(0.7); }
    .logotype { text-align: left; justify-self: start; margin-right: 0; }
    .tagline  { text-align: left; justify-self: start; margin-right: 0; }
    .block--left,
    .block--right { grid-template-columns: 1fr; }
    .block--left .block-card,
    .block--right .block-card,
    .block--right .diagram { margin: 0; padding: 0 4vw; grid-column: 1; }
    .block--left .block-doodle { padding: 0 4vw; justify-self: start; }
    .join-card { margin: 0 4vw; }
    .timeline { padding-left: 5vw; }
}

@media (prefers-reduced-motion: reduce) {
    .aurora-blob { animation: none; }
    .mountain-landscape path { animation: none; stroke-dashoffset: 0; }
    .logotype, .tagline, .hero-margin-doodle--left, .hero-margin-doodle--right, .scroll-hint {
        animation: none;
        opacity: 1;
        transform: none;
    }
}