:root {
    --bg: #17151f;
    --surface: #1e1b29;
    --surface-alt: #201d2c;
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.16);
    --text: #f2f1f5;
    --text-muted: #aeacb8;
    --text-dim: #86828f;
    --purple: #6c5ce7;
    --purple-light: #8b7cf6;
    --teal: #45c2d6;
    --amber: #d4b74e;
    --green: #43c98a;
    --red: #e2624a;
    --radius: 16px;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
}

h1, h2, h3, h4 {
    font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
    font-weight: 700;
    line-height: 1.15;
    margin: 0 0 0.5em;
    letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.6rem, 5vw, 4.1rem); line-height: 1.05; }
h2 { font-size: clamp(1.9rem, 4vw, 2.3rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.05rem; }

p {
    margin: 0 0 1em;
    color: var(--text-muted);
}

a {
    color: var(--purple-light);
    text-decoration: none;
}

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

.shell {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 32px;
}

.eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--purple-light);
    margin-bottom: 14px;
}

.eyebrow-teal {
    color: var(--teal);
}

.eyebrow-pill {
    display: inline-flex;
    align-items: center;
    padding: 7px 18px;
    border-radius: 999px;
    border: 1px solid var(--border-strong);
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 28px;
}

.section-intro {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 48px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 22px;
    border: 1px solid transparent;
    cursor: pointer;
}

.btn-lg {
    padding: 15px 30px;
    font-size: 1rem;
}

.btn-primary {
    background: var(--purple);
    color: #12111a;
}

.btn-primary:hover {
    background: var(--purple-light);
    color: #12111a;
}

.btn-outline {
    background: transparent;
    border-color: var(--border-strong);
    color: var(--text);
}

.btn-outline:hover {
    border-color: var(--purple-light);
    color: var(--purple-light);
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: var(--surface-alt);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 32px;
}

.brand img {
    display: block;
    filter: brightness(0) invert(0.95);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.main-nav a {
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
}

.main-nav a:hover {
    color: var(--text);
}

/* Hero */
.hero {
    position: relative;
    padding: 100px 0 90px;
    text-align: center;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: -120px;
    left: 50%;
    transform: translateX(-50%);
    width: 900px;
    height: 500px;
    background: radial-gradient(ellipse at center, rgba(108, 92, 231, 0.22), transparent 70%);
    pointer-events: none;
}

.hero-inner {
    position: relative;
}

.hero-lede {
    max-width: 640px;
    margin: 0 auto 36px;
    font-size: 1.15rem;
    line-height: 1.65;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 64px;
}

/* Builder + phone mockup */
.builder-mock {
    display: flex;
    gap: 28px;
    justify-content: center;
    align-items: stretch;
    text-align: left;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 40px 100px -30px rgba(0, 0, 0, 0.6);
    flex-wrap: wrap;
}

.builder-panel {
    flex: 1 1 480px;
    max-width: 620px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--bg);
    overflow: hidden;
}

.builder-titlebar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 16px;
    border-bottom: 1px solid var(--border);
}

.dots {
    display: flex;
    gap: 6px;
}

.dots span {
    width: 9px;
    height: 9px;
    border-radius: 999px;
    background: var(--red);
}

.dots span:nth-child(2) { background: var(--amber); }
.dots span:nth-child(3) { background: var(--green); }

.builder-tabs {
    display: flex;
    gap: 6px;
    margin-left: 8px;
}

.builder-tab {
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 6px;
    color: var(--text-dim);
}

.builder-tab-active {
    background: rgba(108, 92, 231, 0.16);
    color: var(--purple-light);
    font-weight: 600;
}

.builder-publish {
    margin-left: auto;
    font-size: 11px;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 6px;
    background: var(--purple);
    color: #12111a;
}

.builder-body {
    display: grid;
    grid-template-columns: 120px 1fr 140px;
    min-height: 300px;
}

.builder-components, .builder-properties {
    padding: 14px 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.builder-components { border-right: 1px solid var(--border); }
.builder-properties { border-left: 1px solid var(--border); }

.builder-heading {
    font-size: 9px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-dim);
    font-weight: 600;
    margin: 0 0 3px;
}

.builder-component {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    color: var(--text-muted);
    padding: 6px 8px;
    border-radius: 6px;
}

.builder-component-active {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
}

.swatch {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    display: inline-block;
}

.swatch-purple { background: var(--purple); }
.swatch-teal { background: var(--teal); }
.swatch-amber { background: var(--amber); }
.swatch-green { background: var(--green); }
.swatch-red { background: var(--red); }

.builder-canvas {
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
    background-size: 16px 16px;
}

.canvas-card {
    width: 100%;
    max-width: 260px;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.canvas-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin: 0;
}

.canvas-field span {
    font-size: 9px;
    color: var(--text-dim);
    display: block;
    margin-bottom: 4px;
}

.canvas-field i {
    display: block;
    height: 26px;
    border-radius: 6px;
    background: var(--bg);
    border: 1px solid var(--border-strong);
    font-style: normal;
}

.canvas-submit {
    height: 32px;
    border-radius: 6px;
    background: var(--purple);
    color: #12111a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}

.prop-row {
    display: flex;
    flex-direction: column;
    gap: 3px;
    font-size: 11px;
}

.prop-row span {
    font-size: 9px;
    color: var(--text-dim);
}

.prop-row strong {
    color: var(--text-muted);
    font-weight: 600;
}

.prop-accent {
    color: var(--purple-light) !important;
}

.phone-mock {
    flex: 0 0 190px;
    border-radius: 26px;
    border: 1px solid var(--border-strong);
    background: var(--bg);
    overflow: hidden;
    box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.7);
}

.phone-header {
    padding: 12px 16px;
    background: linear-gradient(135deg, var(--teal), var(--purple));
}

.phone-status {
    display: flex;
    justify-content: space-between;
    font-size: 9px;
    font-weight: 600;
    color: rgba(0, 0, 0, 0.65);
    margin-bottom: 24px;
}

.phone-app-name {
    font-family: "Space Grotesk", sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: #14131c;
    margin: 0;
}

.phone-app-sub {
    font-size: 10px;
    color: rgba(0, 0, 0, 0.55);
    margin: 0;
}

.phone-stats {
    margin: -18px 10px 0;
    border-radius: 12px;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    padding: 10px;
    display: flex;
    justify-content: space-between;
    position: relative;
}

.phone-stats div {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.phone-stats strong {
    font-size: 13px;
    color: var(--text);
}

.phone-stats span {
    font-size: 8px;
    color: var(--text-dim);
}

.phone-apps {
    padding: 14px 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.phone-app-row {
    display: flex;
    gap: 9px;
    align-items: center;
    padding: 9px;
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.05);
}

.phone-app-row strong {
    display: block;
    font-size: 11px;
    color: var(--text);
}

.phone-app-row span {
    font-size: 9px;
    color: var(--text-dim);
}

.app-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: #14131c;
}

.app-icon-amber { background: linear-gradient(135deg, var(--amber), var(--red)); }
.app-icon-teal { background: linear-gradient(135deg, var(--teal), var(--purple)); }

/* Three ways to ship */
.platform {
    padding: 90px 0;
}

.ship-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.ship-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

.ship-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    margin-bottom: 20px;
    opacity: 0.85;
}

.ship-icon-round { border-radius: 999px; }
.ship-icon-triangle { clip-path: polygon(50% 0, 100% 100%, 0 100%); }

/* Build panel */
.build-panel {
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 90px 0;
}

.build-panel-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 48px;
    align-items: center;
}

.build-steps {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.build-step {
    display: flex;
    gap: 14px;
    align-items: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 16px;
    font-size: 14px;
    color: var(--text-muted);
}

.step-num {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    border-radius: 999px;
    background: var(--purple);
    color: #12111a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 12px;
    font-family: "Space Grotesk", sans-serif;
}

.step-num-teal { background: var(--teal); }
.step-num-amber { background: var(--amber); }

/* How it works */
.how-it-works {
    padding: 90px 0;
}

.how-it-works-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.how-steps {
    display: flex;
    flex-direction: column;
    gap: 22px;
    margin-top: 28px;
}

.how-step {
    display: flex;
    gap: 16px;
}

.how-step h4 {
    margin: 0 0 6px;
}

.how-step p {
    margin: 0;
}

.process-mock {
    border-radius: 14px;
    border: 1px solid var(--border);
    background: var(--surface-alt);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.process-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    font-weight: 600;
}

.process-live {
    font-size: 10px;
    font-weight: 600;
    padding: 4px 9px;
    border-radius: 5px;
    background: rgba(67, 201, 138, 0.18);
    color: var(--green);
}

.process-step {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
}

.process-step-active {
    background: rgba(108, 92, 231, 0.12);
    border-color: rgba(108, 92, 231, 0.35);
}

.process-step strong {
    display: block;
    font-size: 12px;
    color: var(--text);
}

.process-step span {
    font-size: 10px;
    color: var(--text-dim);
}

.process-table {
    width: 100%;
    border-collapse: collapse;
    border-radius: 9px;
    overflow: hidden;
    border: 1px solid var(--border);
    font-size: 10px;
}

.process-table th {
    text-align: left;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.04);
    font-size: 9px;
    letter-spacing: 0.08em;
    color: var(--text-dim);
    font-weight: 600;
}

.process-table td {
    padding: 8px 12px;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
}

.status-active {
    color: var(--green);
}

/* Personas */
.personas {
    padding: 0 0 100px;
}

.persona-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.persona-card {
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 26px;
}

.persona-card p {
    font-size: 14px;
    margin: 0;
}

/* Demo */
.demo {
    padding: 0 0 120px;
}

.demo-card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 64px 56px;
    text-align: center;
    overflow: hidden;
}

.demo-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 0%, rgba(108, 92, 231, 0.18), transparent 60%);
    pointer-events: none;
}

.demo-content {
    position: relative;
}

.demo-content p {
    max-width: 520px;
    margin: 0 auto 32px;
}

.demo-form-wrap {
    max-width: 520px;
    margin: 0 auto;
    text-align: left;
}

.form-success {
    display: flex;
    gap: 10px;
    background: rgba(67, 201, 138, 0.12);
    border: 1px solid rgba(67, 201, 138, 0.35);
    border-radius: 10px;
    padding: 14px 16px;
    margin-bottom: 20px;
}

.form-success p {
    margin: 0;
    color: var(--text);
    font-size: 14px;
}

.demo-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-row label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
}

.form-row input,
.form-row textarea {
    background: var(--bg);
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    padding: 11px 14px;
    color: var(--text);
    font-family: inherit;
    font-size: 14px;
}

.form-row input:focus,
.form-row textarea:focus {
    outline: none;
    border-color: var(--purple-light);
}

.field-error {
    color: var(--red);
    font-size: 12px;
}

.form-errors ul {
    margin: 0 0 8px;
    padding-left: 18px;
    color: var(--red);
    font-size: 13px;
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 40px 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-inner img {
    filter: brightness(0) invert(0.95);
}

.footer-nav {
    display: flex;
    gap: 28px;
}

.footer-nav a {
    color: var(--text-dim);
    font-size: 14px;
}

.footer-copy {
    color: var(--text-dim);
    font-size: 13px;
}

/* Simple content pages (Product / Pricing / About) */
.content-page {
    padding: 80px 0 100px;
}

.content-page .shell {
    max-width: 760px;
}

.content-page h1 {
    margin-bottom: 24px;
}

/* Responsive */
@media (max-width: 900px) {
    .main-nav { display: none; }
    .ship-grid { grid-template-columns: 1fr; }
    .build-panel-grid, .how-it-works-grid { grid-template-columns: 1fr; }
    .persona-grid { grid-template-columns: repeat(2, 1fr); }
    .builder-mock { flex-direction: column; align-items: center; }
    .builder-body { grid-template-columns: 1fr; }
    .builder-components, .builder-properties { border: none; border-top: 1px solid var(--border); }
    .form-row-split { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
    .persona-grid { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; }
}