/* MD-Machines.com — vaporwave (neon sunset / retro grid) */

:root {
    --bg:        #0d0018;
    --bg-deep:   #07000f;
    --bg-alt:    #12002a;
    --surface:   rgba(34, 10, 54, .72);
    --surface-2: rgba(52, 16, 82, .78);
    --line:      rgba(255, 45, 149, .28);
    --line-2:    rgba(34, 229, 255, .32);
    --text:      #fdf5ff;
    --muted:     #b090c8;
    --silver-3:  #b090c8;

    --pink:      #ff2d95;
    --pink-2:    #ff4d8f;
    --cyan:      #22e5ff;
    --purple:    #8b2dff;
    --orange:    #ff6a3d;
    --amber:     #ffd93d;

    --danger:    #ff5577;
    --ok:        #35ffbd;

    /* Signature gradients */
    --grad-metal: linear-gradient(135deg,
        #22e5ff 0%,
        #8b2dff 40%,
        #ff2d95 70%,
        #ff6a3d 100%);
    --grad-sunset: linear-gradient(180deg,
        #ffd93d 0%,
        #ff6a3d 40%,
        #ff2d95 75%,
        #8b2dff 100%);
    --grad-metal-soft: linear-gradient(135deg,
        rgba(34,229,255,.9) 0%,
        rgba(255,45,149,.9) 60%,
        rgba(255,106,61,.9) 100%);

    --vapor:
        radial-gradient(ellipse 80% 60% at 50% 0%,  rgba(255,45,149,.22), transparent 60%),
        radial-gradient(ellipse 60% 50% at 20% 100%, rgba(139,45,255,.18), transparent 60%),
        radial-gradient(ellipse 50% 40% at 90% 80%, rgba(34,229,255,.14), transparent 60%);

    --container: 1180px;
    --radius: 14px;
    --radius-lg: 22px;

    --shadow:        0 30px 80px -20px rgba(255, 45, 149, .45);
    --shadow-metal:  0 14px 50px -10px rgba(34, 229, 255, .45);
    --ring:          0 0 0 1px rgba(255, 45, 149, .18);
    --glow-pink:     0 0 24px rgba(255, 45, 149, .55);
    --glow-cyan:     0 0 24px rgba(34, 229, 255, .5);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
    background: var(--bg);
    color: var(--text);
    font: 16px/1.6 'Space Grotesk', ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    position: relative;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Ambient backdrop — soft sunset wash over the whole page. */
body::before {
    content: "";
    position: fixed; inset: 0;
    pointer-events: none;
    z-index: -2;
    background:
        radial-gradient(ellipse 90% 60% at 50% 0%,  rgba(255, 45, 149, .18), transparent 65%),
        radial-gradient(ellipse 70% 50% at 10% 100%, rgba(139, 45, 255, .18), transparent 60%),
        radial-gradient(ellipse 70% 50% at 100% 80%, rgba(34, 229, 255, .14), transparent 60%),
        linear-gradient(180deg, var(--bg-deep) 0%, var(--bg) 100%);
}

/* Thin retro grid, fixed behind everything. */
body::after {
    content: "";
    position: fixed; inset: 0;
    pointer-events: none;
    z-index: -1;
    background-image:
        linear-gradient(rgba(255, 45, 149, .08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34, 229, 255, .06) 1px, transparent 1px);
    background-size: 60px 60px, 60px 60px;
    mask-image: linear-gradient(180deg, transparent 0%, #000 40%, #000 100%);
    -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 40%, #000 100%);
    opacity: .75;
}

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

::selection { background: rgba(255, 45, 149, .4); color: #fff; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 760px; }

.section { padding: 96px 0; position: relative; }
.section-alt {
    background: linear-gradient(180deg, rgba(139, 45, 255, .08) 0%, rgba(255, 45, 149, .06) 100%);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.section-title {
    font-family: 'Audiowide', 'Space Grotesk', sans-serif;
    font-size: clamp(30px, 3.8vw, 48px);
    line-height: 1.1; letter-spacing: 0.01em;
    margin: 0 0 16px;
    font-weight: 400;
    background: var(--grad-metal);
    -webkit-background-clip: text; background-clip: text; color: transparent;
    filter: drop-shadow(0 0 16px rgba(255, 45, 149, .35));
}
.section-lede {
    font-size: 17px;
    margin: 0 0 36px;
    max-width: 640px;
    color: var(--muted);
}
.muted { color: var(--muted); }
.small { font-size: 13px; }

/* ---------- Header / Nav ---------- */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(13, 0, 24, .72);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 1px 0 rgba(34, 229, 255, .08);
}
.nav {
    display: flex; align-items: center; justify-content: space-between;
    height: 76px;
}
.brand {
    display: inline-flex; align-items: center; gap: 14px;
    color: var(--text); text-decoration: none; font-weight: 700;
}
.brand-logo {
    width: 52px; height: 52px;
    object-fit: contain;
    filter: drop-shadow(0 0 14px rgba(255, 45, 149, .55));
}
.brand-text {
    font-family: 'Audiowide', 'Space Grotesk', sans-serif;
    line-height: 1.05; font-size: 16px; letter-spacing: 0.08em; text-transform: uppercase;
    font-weight: 400;
    background: linear-gradient(135deg, var(--cyan), var(--pink) 70%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.brand-text span {
    display: block; font-size: 10px; color: var(--silver-3);
    font-weight: 600; letter-spacing: 0.28em; margin-top: 3px;
    -webkit-text-fill-color: var(--silver-3);
}
.nav-links { display: flex; gap: 6px; align-items: center; }
.nav-links a {
    color: var(--muted); text-decoration: none;
    padding: 8px 14px; border-radius: 8px; font-size: 14px; font-weight: 500;
    transition: color .15s, background .15s, text-shadow .15s;
}
.nav-links a:hover {
    color: var(--cyan); background: rgba(34, 229, 255, .08);
    text-shadow: 0 0 12px rgba(34, 229, 255, .6);
}
.nav-cta {
    background: transparent !important;
    color: var(--text) !important;
    border: 1px solid var(--pink);
    box-shadow: 0 0 0 0 rgba(255, 45, 149, .0);
    transition: color .15s, background .15s, box-shadow .2s, transform .12s !important;
}
.nav-cta:hover {
    background: rgba(255, 45, 149, .12) !important;
    box-shadow: 0 0 22px rgba(255, 45, 149, .45);
    color: var(--text) !important;
    text-shadow: none;
}

@media (max-width: 720px) {
    .nav-links a:not(.nav-cta) { display: none; }
    .brand-text span { display: none; }
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    padding: 72px 0 96px;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
}
@media (max-width: 640px) {
    .hero { padding: 36px 0 72px; }
}
.hero-bg {
    position: absolute; inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 50% 95%, rgba(255, 217, 61, .25), transparent 18%),
        radial-gradient(ellipse 60% 45% at 50% 100%, rgba(255, 106, 61, .32), transparent 55%),
        radial-gradient(ellipse 80% 55% at 50% 100%, rgba(255, 45, 149, .28), transparent 65%),
        radial-gradient(ellipse 90% 70% at 50% 100%, rgba(139, 45, 255, .22), transparent 70%);
}
/* Retro perspective grid anchored at the horizon. */
.hero::after {
    content: "";
    position: absolute; left: 0; right: 0; bottom: 0;
    height: 44%;
    background-image:
        linear-gradient(rgba(255, 45, 149, .55) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34, 229, 255, .45) 1px, transparent 1px);
    background-size: 80px 80px, 80px 80px;
    transform: perspective(400px) rotateX(62deg);
    transform-origin: center bottom;
    mask-image: linear-gradient(180deg, transparent 0%, #000 40%, transparent 100%);
    -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 40%, transparent 100%);
    pointer-events: none;
    opacity: .6;
}
.hero-inner { position: relative; z-index: 1; }
.eyebrow {
    display: inline-flex; align-items: center; gap: 14px;
    margin: 0;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    color: var(--cyan);
    font-size: 11px; font-weight: 700; letter-spacing: 0.32em; text-transform: uppercase;
    text-shadow: 0 0 14px rgba(34, 229, 255, .55);
}
.eyebrow::before,
.eyebrow::after {
    content: "";
    display: block;
    height: 1px;
    width: clamp(24px, 6vw, 56px);
    background: linear-gradient(90deg, transparent, var(--cyan));
    box-shadow: 0 0 10px rgba(34, 229, 255, .6);
}
.eyebrow::after {
    background: linear-gradient(90deg, var(--cyan), transparent);
}
.eyebrow span { white-space: nowrap; }
@media (max-width: 380px) {
    .eyebrow { letter-spacing: 0.22em; gap: 10px; font-size: 10px; }
    .eyebrow::before, .eyebrow::after { width: 18px; }
}
.hero h1 {
    font-family: 'Audiowide', 'Space Grotesk', sans-serif;
    font-size: clamp(42px, 7.2vw, 92px);
    line-height: 1.0; letter-spacing: 0.01em;
    margin: 20px 0 22px;
    font-weight: 400;
    text-shadow: 0 0 40px rgba(255, 45, 149, .25);
}
.metal {
    background: var(--grad-metal);
    -webkit-background-clip: text; background-clip: text; color: transparent;
    filter: drop-shadow(0 0 24px rgba(255, 45, 149, .55)) drop-shadow(0 0 40px rgba(34, 229, 255, .3));
}
.lede {
    max-width: 720px; font-size: clamp(16px, 1.7vw, 19px); color: var(--silver-3);
    margin: 0 0 36px;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 56px; }
.hero-stats {
    list-style: none; padding: 0; margin: 0;
    display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px;
    max-width: 760px;
}
.hero-stats li {
    background: linear-gradient(180deg, var(--surface) 0%, rgba(13, 0, 24, .85) 100%);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 0 0 1px rgba(34, 229, 255, .05) inset;
}
.hero-stats strong {
    font-family: 'Audiowide', 'Space Grotesk', sans-serif;
    display: block;
    font-size: clamp(30px, 3.5vw, 42px); font-weight: 400; letter-spacing: 0.01em;
    background: var(--grad-metal);
    -webkit-background-clip: text; background-clip: text; color: transparent;
    margin-bottom: 4px;
    filter: drop-shadow(0 0 12px rgba(255, 45, 149, .3));
}
.hero-stats span { color: var(--muted); font-size: 13px; }

@media (max-width: 640px) {
    .hero-stats { grid-template-columns: 1fr; }
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px 24px; border-radius: 12px; font-weight: 700; font-size: 15px;
    font-family: inherit;
    text-decoration: none; cursor: pointer; border: 1px solid transparent;
    transition: transform .12s ease, box-shadow .2s ease, background .15s ease, color .15s ease, border-color .15s, filter .15s;
    line-height: 1; letter-spacing: 0.04em;
    text-transform: uppercase;
}
.btn:active { transform: translateY(1px); }
.btn-lg { padding: 18px 30px; font-size: 15px; letter-spacing: 0.08em; }
.btn-primary {
    background: var(--grad-metal); color: #fff;
    border-color: transparent;
    box-shadow:
        0 14px 40px -10px rgba(255, 45, 149, .55),
        0 0 30px rgba(34, 229, 255, .25),
        inset 0 1px 0 rgba(255, 255, 255, .25);
    text-shadow: 0 1px 2px rgba(0, 0, 0, .4);
    font-family: 'Audiowide', 'Space Grotesk', sans-serif;
    font-weight: 400;
}
.btn-primary:hover {
    filter: brightness(1.1) saturate(1.1);
    box-shadow:
        0 18px 50px -8px rgba(255, 45, 149, .7),
        0 0 40px rgba(34, 229, 255, .4),
        inset 0 1px 0 rgba(255, 255, 255, .35);
    transform: translateY(-1px);
}
.btn-ghost {
    background: transparent; color: var(--cyan);
    border-color: var(--line-2);
    font-family: 'Audiowide', 'Space Grotesk', sans-serif;
    font-weight: 400;
}
.btn-ghost:hover {
    background: rgba(34, 229, 255, .08);
    border-color: var(--cyan);
    color: var(--cyan);
    box-shadow: 0 0 22px rgba(34, 229, 255, .35);
}

/* ---------- Grids / Cards ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }

@media (max-width: 860px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.card {
    background: linear-gradient(180deg, var(--surface) 0%, rgba(13, 0, 24, .75) 100%);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--ring);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
    position: relative;
    overflow: hidden;
}
.card::before {
    content: "";
    position: absolute; inset: 0;
    pointer-events: none;
    background: linear-gradient(135deg, rgba(34, 229, 255, .08), transparent 40%);
    opacity: 0;
    transition: opacity .25s;
}
.card:hover {
    transform: translateY(-3px);
    border-color: var(--pink);
    box-shadow:
        0 20px 50px -18px rgba(255, 45, 149, .5),
        0 0 0 1px rgba(255, 45, 149, .18) inset;
}
.card:hover::before { opacity: 1; }
.card h3 {
    font-family: 'Audiowide', 'Space Grotesk', sans-serif;
    margin: 8px 0 10px; font-size: 22px; letter-spacing: 0.01em; font-weight: 400;
    color: var(--text);
}
.card p { color: var(--muted); margin: 0; }
.step {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 11px; letter-spacing: 0.28em;
    text-transform: uppercase; font-weight: 800;
    background: linear-gradient(90deg, var(--cyan), var(--pink));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- Two-col features + machine illustration ---------- */
.two-col {
    display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: center;
}
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } }

.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li {
    position: relative; padding: 12px 0 12px 36px; border-bottom: 1px dashed var(--line);
    color: var(--text);
}
.checklist li:last-child { border-bottom: none; }
.checklist li::before {
    content: ""; position: absolute; left: 0; top: 16px;
    width: 22px; height: 22px; border-radius: 6px;
    background: var(--grad-metal);
    box-shadow: 0 4px 16px -4px rgba(255, 45, 149, .55), 0 0 10px rgba(34, 229, 255, .25);
}
.checklist li::after {
    content: ""; position: absolute; left: 6px; top: 21px;
    width: 10px; height: 5px;
    border-left: 2px solid #0a0010; border-bottom: 2px solid #0a0010;
    transform: rotate(-45deg);
}
.checklist.tight li { padding: 8px 0 8px 32px; border-bottom: none; }
.checklist.tight li::before { width: 18px; height: 18px; top: 12px; }
.checklist.tight li::after { left: 4px; top: 17px; width: 8px; height: 4px; }

/* Brand panel — vaporwave logo centered on sunset gradient + grid */
.brand-panel {
    aspect-ratio: 4 / 5;
    border: 1px solid var(--line);
    border-radius: 28px;
    box-shadow: var(--shadow), 0 0 60px rgba(255, 45, 149, .25);
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse 70% 45% at 50% 85%, rgba(255, 217, 61, .35), transparent 60%),
        radial-gradient(ellipse 90% 60% at 50% 100%, rgba(255, 106, 61, .45), transparent 70%),
        linear-gradient(180deg, #1a0036 0%, #2e0048 40%, #4a0055 70%, #1a0036 100%);
}
.brand-panel::before {
    content: "";
    position: absolute; inset: 0;
    background-image: url('/assets/images/logo-512.png?v=2');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 70% auto;
    filter: drop-shadow(0 0 30px rgba(255, 45, 149, .45));
}
.brand-panel::after {
    content: "";
    position: absolute; left: 0; right: 0; bottom: 0;
    height: 40%;
    background-image:
        linear-gradient(rgba(255, 45, 149, .55) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34, 229, 255, .45) 1px, transparent 1px);
    background-size: 60px 60px, 60px 60px;
    transform: perspective(300px) rotateX(62deg);
    transform-origin: center bottom;
    mask-image: linear-gradient(180deg, transparent 0%, #000 40%, transparent 100%);
    -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 40%, transparent 100%);
    opacity: .7;
    pointer-events: none;
}

/* ---------- Audience cards ---------- */
.audience { display: flex; flex-direction: column; gap: 12px; }
.audience .btn { align-self: flex-start; margin-top: 10px; }
.tag {
    display: inline-block; padding: 4px 12px; border-radius: 999px;
    font-size: 10px; font-weight: 800; letter-spacing: .22em; text-transform: uppercase;
    border: 1px solid var(--line);
    background: rgba(255, 45, 149, .08); color: var(--pink);
}

/* ---------- Form ---------- */
.contact-form {
    margin-top: 24px;
    background: linear-gradient(180deg, var(--surface) 0%, rgba(13, 0, 24, .75) 100%);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 28px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--ring);
}
.contact-form .grid-2 { gap: 16px; margin-bottom: 16px; }
.contact-form button[type="submit"] { margin-top: 24px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field > span {
    font-size: 12px; color: var(--cyan); font-weight: 700;
    letter-spacing: 0.08em; text-transform: uppercase;
}
.field input,
.field select,
.field textarea {
    background: rgba(7, 0, 15, .7);
    color: var(--text);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 13px 14px;
    font: inherit;
    transition: border-color .15s, box-shadow .15s, background .15s;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--pink);
    background: rgba(7, 0, 15, .9);
    box-shadow: 0 0 0 4px rgba(255, 45, 149, .18), 0 0 20px rgba(255, 45, 149, .25);
}
.field textarea { resize: vertical; min-height: 120px; }
.field-err { color: var(--danger); font-size: 13px; font-style: normal; }

.interest {
    display: flex; gap: 10px; flex-wrap: wrap;
    border: none; padding: 0; margin: 0 0 18px;
}
.interest legend {
    font-size: 12px; color: var(--cyan); margin-bottom: 8px; padding: 0;
    font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
}
.interest label {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 16px; border: 1px solid var(--line); border-radius: 999px;
    background: rgba(7, 0, 15, .6); cursor: pointer; font-size: 14px;
    transition: border-color .15s, background .15s, box-shadow .2s;
}
.interest label:has(input:checked) {
    border-color: var(--pink);
    background: rgba(255, 45, 149, .1);
    color: var(--text);
    box-shadow: 0 0 18px rgba(255, 45, 149, .35);
}
.interest input { accent-color: var(--pink); }

.alert { padding: 14px 16px; border-radius: 12px; margin: 0 0 18px; font-size: 14px; }
.alert-ok  {
    background: rgba(53, 255, 189, .1); color: var(--ok);
    border: 1px solid rgba(53, 255, 189, .4);
    box-shadow: 0 0 20px rgba(53, 255, 189, .2);
}
.alert-err {
    background: rgba(255, 85, 119, .1); color: var(--danger);
    border: 1px solid rgba(255, 85, 119, .4);
    box-shadow: 0 0 20px rgba(255, 85, 119, .2);
}

.hp { position: absolute; left: -10000px; top: auto; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Footer ---------- */
.site-footer {
    border-top: 1px solid var(--line);
    padding: 36px 0;
    background: rgba(7, 0, 15, .6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer-brand { display: inline-flex; align-items: center; gap: 12px; }
.footer-brand img {
    width: 36px; height: 36px; object-fit: contain; opacity: .95;
    filter: drop-shadow(0 0 10px rgba(255, 45, 149, .5));
}
.footer-brand strong {
    font-family: 'Audiowide', 'Space Grotesk', sans-serif;
    font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 400;
    background: linear-gradient(135deg, var(--cyan), var(--pink) 70%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.footer-brand p { margin: 4px 0 0; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .card, .btn { transition: none; }
}