/* =========================================================
   SimulAI.org -- non-profit humanist warm
   Palette:
     #fff8f0  warm white background
     #fef5ee  light warm surface
     #ffffff  card white
     #2d3748  text
     #e87040  community orange (primary accent)
     #48bb78  growth green
     #805ad5  trust purple
     #fed7aa  warm border
   Fonts: Nunito (headings), Open Sans (body), Ubuntu Mono (code)
========================================================= */

:root {
    --bg: #fff8f0;
    --surface: #fef5ee;
    --card: #ffffff;
    --text: #2d3748;
    --text-soft: #4a5568;
    --orange: #e87040;
    --green: #48bb78;
    --purple: #805ad5;
    --border: #fed7aa;
    --border-soft: #fde7cf;

    --shadow-sm: 0 1px 2px rgba(45, 55, 72, 0.05), 0 2px 6px rgba(232, 112, 64, 0.05);
    --shadow-md: 0 4px 12px rgba(45, 55, 72, 0.06), 0 8px 24px rgba(232, 112, 64, 0.08);
    --shadow-lg: 0 12px 32px rgba(128, 90, 213, 0.12), 0 24px 60px rgba(232, 112, 64, 0.12);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-pill: 999px;

    --container: 1100px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Open Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    font-weight: 400;
    font-size: 1rem;
    line-height: 1.65;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
    font-family: "Nunito", "Open Sans", system-ui, sans-serif;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
h4 { font-size: 1rem; font-weight: 800; letter-spacing: 0.02em; text-transform: uppercase; }

p {
    color: var(--text-soft);
}

a {
    color: var(--purple);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--orange);
}

img, svg {
    display: block;
    max-width: 100%;
}

code, pre {
    font-family: "Ubuntu Mono", "SF Mono", Menlo, Consolas, monospace;
    font-size: 0.875rem;
}

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============ Brand mark ============ */
.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text);
    font-family: "Nunito", sans-serif;
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: -0.01em;
}

.brand:hover { color: var(--text); }

.brand-mark {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-sm);
}

.dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot-orange { background: var(--orange); }
.dot-green  { background: var(--green); }
.dot-purple { background: var(--purple); }

.brand-tld {
    color: var(--orange);
    font-weight: 700;
}

/* ============ Header ============ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 248, 240, 0.92);
    backdrop-filter: saturate(140%) blur(8px);
    -webkit-backdrop-filter: saturate(140%) blur(8px);
    border-bottom: 1px solid var(--border-soft);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.primary-nav {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}

.primary-nav a {
    color: var(--text-soft);
    font-weight: 600;
    font-size: 0.95rem;
}

.primary-nav a:hover {
    color: var(--orange);
}

.primary-nav .nav-cta {
    background: var(--orange);
    color: #fff;
    padding: 0.55rem 1.1rem;
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-sm);
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.primary-nav .nav-cta:hover {
    color: #fff;
    background: #d65f30;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    padding: 10px 9px;
    flex-direction: column;
    justify-content: space-between;
    align-items: stretch;
}

.nav-toggle span {
    display: block;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

@media (max-width: 760px) {
    .primary-nav {
        position: absolute;
        top: 72px;
        right: 1rem;
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        flex-direction: column;
        align-items: stretch;
        gap: 0.25rem;
        padding: 0.75rem;
        min-width: 220px;
        box-shadow: var(--shadow-md);
        transform-origin: top right;
        transform: scale(0.96);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.18s ease, opacity 0.18s ease;
    }
    .primary-nav.open {
        transform: scale(1);
        opacity: 1;
        pointer-events: auto;
    }
    .primary-nav a {
        padding: 0.5rem 0.75rem;
        border-radius: var(--radius-sm);
    }
    .primary-nav a:hover {
        background: var(--surface);
    }
    .primary-nav .nav-cta {
        text-align: center;
        margin-top: 0.25rem;
    }
    .nav-toggle {
        display: flex;
    }
}

/* ============ Buttons ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.4rem;
    font-family: "Nunito", sans-serif;
    font-weight: 700;
    font-size: 1rem;
    border-radius: var(--radius-pill);
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease,
                background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--orange);
    color: #fff;
    box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
    background: #d65f30;
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-ghost {
    background: var(--card);
    color: var(--text);
    border-color: var(--border);
}
.btn-ghost:hover {
    color: var(--orange);
    border-color: var(--orange);
    transform: translateY(-1px);
}

.btn-on-gradient {
    background: #fff;
    color: var(--orange);
}
.btn-on-gradient:hover {
    background: #fff;
    color: #d65f30;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.18);
}

/* Common eyebrow */
.eyebrow {
    display: inline-block;
    font-family: "Nunito", sans-serif;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--purple);
    background: rgba(128, 90, 213, 0.1);
    padding: 0.3rem 0.7rem;
    border-radius: var(--radius-pill);
    margin-bottom: 1rem;
}

/* ============ Hero ============ */
.hero {
    padding: 4rem 0 5rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-text h1 {
    margin-bottom: 1.25rem;
}

.lede {
    font-size: 1.1rem;
    line-height: 1.7;
    max-width: 52ch;
    margin-bottom: 1.75rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.75rem;
}

.hero-meta {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    font-size: 0.9rem;
    color: var(--text-soft);
}

.hero-meta li {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-meta .dot {
    width: 8px;
    height: 8px;
}

/* ----- CSS-drawn collaboration scene ----- */
.hero-illustration {
    position: relative;
    aspect-ratio: 1 / 1;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.hero-illustration::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(232,112,64,0.10), transparent 55%),
        radial-gradient(circle at 80% 30%, rgba(72,187,120,0.10), transparent 55%),
        radial-gradient(circle at 50% 90%, rgba(128,90,213,0.10), transparent 60%);
}

.scene {
    position: absolute;
    inset: 0;
    padding: 8%;
}

.orbit {
    position: absolute;
    border: 1px dashed var(--border);
    border-radius: 50%;
    pointer-events: none;
}
.orbit-1 {
    width: 70%;
    height: 70%;
    top: 15%;
    left: 15%;
    border-color: rgba(232,112,64,0.35);
}
.orbit-2 {
    width: 90%;
    height: 90%;
    top: 5%;
    left: 5%;
    border-color: rgba(128,90,213,0.22);
}

.person {
    position: absolute;
    width: 28%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6%;
}

.person .head {
    width: 56%;
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    box-shadow: 0 4px 14px rgba(45,55,72,0.12);
    position: relative;
}

.person .head::after {
    content: "";
    position: absolute;
    bottom: 22%;
    left: 50%;
    transform: translateX(-50%);
    width: 30%;
    height: 4px;
    background: rgba(255,255,255,0.7);
    border-radius: 4px;
}

.person .laptop {
    width: 100%;
    aspect-ratio: 5 / 3;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 4px;
    position: relative;
    box-shadow: 0 2px 8px rgba(45,55,72,0.08);
}

.person .laptop::after {
    content: "";
    position: absolute;
    left: -8%;
    right: -8%;
    bottom: -6px;
    height: 5px;
    background: var(--border);
    border-radius: 0 0 6px 6px;
}

.person .laptop .screen {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 3px;
    background-image:
        linear-gradient(transparent 25%, rgba(255,255,255,0.55) 25%, rgba(255,255,255,0.55) 27%, transparent 27%),
        linear-gradient(transparent 55%, rgba(255,255,255,0.55) 55%, rgba(255,255,255,0.55) 57%, transparent 57%),
        linear-gradient(transparent 80%, rgba(255,255,255,0.55) 80%, rgba(255,255,255,0.55) 82%, transparent 82%);
}

.person-a {
    top: 10%;
    left: 8%;
}
.person-a .head {
    background: radial-gradient(circle at 35% 30%, #ffb088, var(--orange));
}
.person-a .laptop .screen {
    background-color: #fbe2d0;
}

.person-b {
    top: 12%;
    right: 8%;
}
.person-b .head {
    background: radial-gradient(circle at 35% 30%, #8be0a8, var(--green));
}
.person-b .laptop .screen {
    background-color: #d6f0df;
}

.person-c {
    bottom: 8%;
    left: 50%;
    transform: translateX(-50%);
}
.person-c .head {
    background: radial-gradient(circle at 35% 30%, #b894e7, var(--purple));
}
.person-c .laptop .screen {
    background-color: #e2d4f4;
}

.connection {
    position: absolute;
    height: 2px;
    border-radius: 2px;
    transform-origin: left center;
    opacity: 0.55;
}
.conn-1 {
    top: 26%;
    left: 25%;
    width: 50%;
    background: linear-gradient(90deg, var(--orange), var(--green));
}
.conn-2 {
    bottom: 30%;
    left: 25%;
    width: 32%;
    background: linear-gradient(90deg, var(--orange), var(--purple));
    transform: rotate(28deg);
}
.conn-3 {
    bottom: 30%;
    right: 25%;
    width: 32%;
    background: linear-gradient(90deg, var(--purple), var(--green));
    transform: rotate(-28deg);
}

.spark {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(255,255,255,0.7);
}
.spark-1 { top: 22%;  left: 48%;  background: var(--orange); }
.spark-2 { top: 60%;  left: 18%;  background: var(--purple); }
.spark-3 { top: 50%;  right: 16%; background: var(--green); }

@media (max-width: 880px) {
    .hero { padding: 3rem 0 4rem; }
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .hero-illustration {
        max-width: 460px;
        margin: 0 auto;
        width: 100%;
    }
}

/* ============ Stats bar ============ */
.stats {
    padding: 0 0 3rem;
}

.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.25rem;
    padding: 0.5rem;
    border-right: 1px solid var(--border-soft);
}

.stat:last-child {
    border-right: none;
}

.stat-number {
    font-family: "Nunito", sans-serif;
    font-weight: 800;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    color: var(--orange);
    letter-spacing: -0.01em;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-soft);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

@media (max-width: 720px) {
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }
    .stat:nth-child(2) { border-right: none; }
    .stat:nth-child(1), .stat:nth-child(2) {
        border-bottom: 1px solid var(--border-soft);
        padding-bottom: 1rem;
    }
}

/* ============ Section heads ============ */
.section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 2.5rem;
}

.section-head .eyebrow {
    color: var(--orange);
    background: rgba(232, 112, 64, 0.1);
}

.section-head h2 {
    margin-bottom: 0.75rem;
}

.section-head p {
    font-size: 1.05rem;
}

/* ============ Features (alternating columns) ============ */
.features {
    padding: 4rem 0;
}

.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    padding: 2rem 0;
}

.feature-row.reverse .feature-art { order: 2; }
.feature-row.reverse .feature-text { order: 1; }

.feature-text .chip {
    display: inline-block;
    font-family: "Nunito", sans-serif;
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-pill);
    margin-bottom: 1rem;
}

.chip-orange { background: rgba(232,112,64,0.12); color: var(--orange); }
.chip-green  { background: rgba(72,187,120,0.14); color: #2f8a55; }
.chip-purple { background: rgba(128,90,213,0.14); color: var(--purple); }

.feature-text h3 {
    margin-bottom: 0.75rem;
}

.feature-text p {
    margin-bottom: 1rem;
    max-width: 50ch;
}

.link-arrow {
    font-family: "Nunito", sans-serif;
    font-weight: 700;
    color: var(--orange);
    border-bottom: 2px solid transparent;
    transition: border-color 0.2s ease, color 0.2s ease;
}

.link-arrow:hover {
    color: #d65f30;
    border-bottom-color: var(--orange);
}

/* feature-art card */
.card-illust {
    position: relative;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 1.75rem;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.layer-tag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-family: "Ubuntu Mono", monospace;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    background: rgba(232,112,64,0.12);
    color: var(--orange);
    padding: 0.3rem 0.6rem;
    border-radius: var(--radius-pill);
}
.layer-tag-green {
    background: rgba(72,187,120,0.14);
    color: #2f8a55;
}
.layer-tag-purple {
    background: rgba(128,90,213,0.14);
    color: var(--purple);
}

/* stack illustration */
.illust-stack {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.75rem;
}

.illust-stack .layer {
    font-family: "Ubuntu Mono", monospace;
    font-size: 0.95rem;
    background: var(--surface);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    color: var(--text);
    position: relative;
    transition: transform 0.25s ease;
}

.illust-stack .layer::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 0.6rem;
    vertical-align: middle;
}

.illust-stack .layer-1 { transform: translateX(0); }
.illust-stack .layer-1::before { background: var(--orange); }
.illust-stack .layer-2 { transform: translateX(2rem); }
.illust-stack .layer-2::before { background: var(--green); }
.illust-stack .layer-3 { transform: translateX(4rem); }
.illust-stack .layer-3::before { background: var(--purple); }

/* graph illustration */
.illust-graph svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}

.illust-graph .trend {
    fill: none;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.illust-graph .trend-a { stroke: var(--orange); }
.illust-graph .trend-b { stroke: var(--green); }
.illust-graph .trend-c { stroke: var(--purple); opacity: 0.7; }

/* network illustration */
.illust-network {
    position: relative;
}

.illust-network .node {
    position: absolute;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--card);
    border: 3px solid var(--orange);
    box-shadow: 0 4px 10px rgba(45,55,72,0.08);
}

.illust-network .node-1 { top: 18%; left: 18%; border-color: var(--orange); }
.illust-network .node-2 { top: 22%; right: 22%; border-color: var(--green); }
.illust-network .node-3 { top: 55%; left: 45%; border-color: var(--purple); width: 30px; height: 30px; }
.illust-network .node-4 { bottom: 18%; left: 22%; border-color: var(--green); }
.illust-network .node-5 { bottom: 22%; right: 18%; border-color: var(--orange); }

.illust-network .edge {
    position: absolute;
    height: 2px;
    background: var(--border);
    transform-origin: left center;
    border-radius: 2px;
    opacity: 0.65;
}

.illust-network .edge-1 { top: 24%; left: 22%; width: 33%; transform: rotate(20deg); }
.illust-network .edge-2 { top: 28%; right: 24%; width: 28%; transform: rotate(150deg); }
.illust-network .edge-3 { top: 60%; left: 28%; width: 24%; transform: rotate(40deg); }
.illust-network .edge-4 { top: 60%; right: 26%; width: 24%; transform: rotate(140deg); }

@media (max-width: 880px) {
    .feature-row {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }
    .feature-row.reverse .feature-art { order: 1; }
    .feature-row.reverse .feature-text { order: 2; }
    .card-illust { aspect-ratio: 16 / 11; }
}

/* ============ Contributors ============ */
.contributors {
    padding: 4rem 0;
    background: var(--surface);
    border-top: 1px solid var(--border-soft);
    border-bottom: 1px solid var(--border-soft);
}

.contributor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.contributor-card {
    background: #ffffff;
    border: 1px solid #fed7aa;
    border-radius: 12px;
    padding: 1.25rem;
    text-align: center;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.contributor-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--orange);
}

.contributor-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: "Nunito", sans-serif;
    font-weight: 700;
    color: #fff;
    font-size: 1.05rem;
    letter-spacing: 0.02em;
    box-shadow: 0 2px 8px rgba(45,55,72,0.12);
}

.contributor-name {
    font-family: "Nunito", sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text);
}

.contributor-role {
    font-size: 0.78rem;
    color: var(--text-soft);
}

.contributor-badge {
    margin-top: 0.35rem;
    font-size: 0.75rem;
    font-family: "Ubuntu Mono", monospace;
    background: rgba(72,187,120,0.14);
    color: #2f8a55;
    padding: 0.2rem 0.55rem;
    border-radius: var(--radius-pill);
}

.contributor-card.first-time .contributor-badge {
    background: rgba(232,112,64,0.14);
    color: var(--orange);
}
.contributor-card.maintainer .contributor-badge {
    background: rgba(128,90,213,0.14);
    color: var(--purple);
}

.contributors-foot {
    text-align: center;
}

/* ============ Quickstart ============ */
.quickstart {
    padding: 4rem 0;
}

.quickstart-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 2.5rem;
    align-items: center;
}

.quickstart-text h2 {
    margin-bottom: 0.75rem;
}

.code-block {
    background: #2d3748;
    color: #fef5ee;
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.5rem 1.5rem 1.75rem;
    font-family: "Ubuntu Mono", monospace;
    font-size: 0.95rem;
    line-height: 1.7;
    overflow-x: auto;
    box-shadow: var(--shadow-md);
    position: relative;
    border: 1px solid #1f2733;
}

.code-block::before {
    content: "";
    position: absolute;
    top: 14px;
    left: 14px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--orange);
    box-shadow:
        20px 0 0 var(--green),
        40px 0 0 var(--purple);
}

.code-block code {
    display: block;
    padding-top: 1.25rem;
    white-space: pre;
}

.code-block .comment {
    color: #fed7aa;
    opacity: 0.75;
}

.code-block .prompt {
    color: var(--orange);
    font-weight: 700;
    margin-right: 0.5rem;
}

@media (max-width: 880px) {
    .quickstart-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* ============ Guide cards ============ */
.guide {
    padding: 4rem 0;
    background: var(--surface);
    border-top: 1px solid var(--border-soft);
    border-bottom: 1px solid var(--border-soft);
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.guide-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    position: relative;
    overflow: hidden;
}

.guide-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--orange), var(--purple));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.guide-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--orange);
}

.guide-card:hover::before {
    transform: scaleX(1);
}

.step-number {
    font-family: "Nunito", sans-serif;
    font-weight: 800;
    color: var(--orange);
    font-size: 1.1rem;
    background: rgba(232,112,64,0.12);
    padding: 0.25rem 0.7rem;
    border-radius: var(--radius-pill);
    align-self: flex-start;
    letter-spacing: 0.05em;
}

.guide-card h3 {
    margin: 0.25rem 0 0.25rem;
}

.guide-card p {
    flex: 1;
}

@media (max-width: 880px) {
    .guide-grid {
        grid-template-columns: 1fr;
    }
}

/* ============ CTA ============ */
.cta {
    padding: 4rem 0 5rem;
}

.cta-card {
    background: linear-gradient(135deg, #e87040, #805ad5);
    color: #fff;
    border-radius: 12px;
    padding: 3rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.cta-card::before,
.cta-card::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.10);
    pointer-events: none;
}
.cta-card::before {
    width: 220px; height: 220px;
    top: -80px; right: -60px;
}
.cta-card::after {
    width: 160px; height: 160px;
    bottom: -50px; left: -40px;
    background: rgba(255,255,255,0.07);
}

.cta-card h2 {
    color: #fff;
    margin-bottom: 0.75rem;
    max-width: 22ch;
    margin-left: auto;
    margin-right: auto;
}

.cta-card p {
    color: rgba(255,255,255,0.92);
    max-width: 56ch;
    margin: 0 auto 1.75rem;
}

.cta-form {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.6rem;
    max-width: 540px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-field {
    flex: 1 1 240px;
    display: flex;
}

.cta-field input {
    width: 100%;
    padding: 0.85rem 1.1rem;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(255,255,255,0.4);
    background: rgba(255,255,255,0.95);
    color: var(--text);
    font-family: "Open Sans", sans-serif;
    font-size: 1rem;
    outline: none;
    transition: box-shadow 0.2s ease, transform 0.18s ease;
}

.cta-field input::placeholder {
    color: var(--text-soft);
    opacity: 0.7;
}

.cta-field input:focus {
    box-shadow: 0 0 0 4px rgba(255,255,255,0.35);
}

.cta-note {
    width: 100%;
    text-align: center;
    color: rgba(255,255,255,0.85);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

.cta-note.is-success { color: #fff; font-weight: 600; }
.cta-note.is-error   { color: #ffe5d4; font-weight: 600; }

@media (max-width: 600px) {
    .cta-card { padding: 2rem 1.5rem; }
}

/* ============ Footer ============ */
.site-footer {
    padding: 3rem 0 1.5rem;
    background: var(--bg);
    border-top: 1px solid var(--border-soft);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 32ch;
}

.footer-brand p {
    font-size: 0.92rem;
}

.footer-cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-col h4 {
    color: var(--orange);
    margin-bottom: 0.25rem;
    font-size: 0.85rem;
}

.footer-col a {
    color: var(--text-soft);
    font-size: 0.92rem;
}

.footer-col a:hover {
    color: var(--orange);
}

.footer-base {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-soft);
    font-size: 0.85rem;
    color: var(--text-soft);
    flex-wrap: wrap;
    gap: 0.75rem;
}

@media (max-width: 720px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .footer-cols {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .footer-cols {
        grid-template-columns: 1fr 1fr;
    }
}

/* ============ Reduced motion ============ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition: none !important;
        animation: none !important;
    }
    html { scroll-behavior: auto; }
}