:root {
  --bg: #07111f;
  --bg-soft: #0b1728;
  --surface: #101e31;
  --surface-2: #15263d;
  --surface-3: #1b2e48;
  --text: #f4f8fb;
  --muted: #9babc0;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.18);
  --primary: #00e5a8;
  --primary-strong: #00bd8a;
  --secondary: #65a3ff;
  --purple: #aa7cff;
  --danger: #ff6b7d;
  --warning: #ffc857;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --max-width: 1180px;
}

:root[data-theme="light"] {
  --bg: #f4f7fb;
  --bg-soft: #eaf0f7;
  --surface: #ffffff;
  --surface-2: #f7f9fc;
  --surface-3: #e9eef5;
  --text: #0a1728;
  --muted: #5e6e82;
  --line: rgba(10, 23, 40, 0.11);
  --line-strong: rgba(10, 23, 40, 0.18);
  --shadow: 0 24px 70px rgba(50, 70, 100, 0.13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 13% 10%, rgba(0, 229, 168, 0.09), transparent 28rem),
    radial-gradient(circle at 88% 8%, rgba(101, 163, 255, 0.11), transparent 30rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
img, svg { max-width: 100%; }
::selection { background: var(--primary); color: #03130e; }

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  transform: translateY(-150%);
  padding: 10px 14px;
  color: #03130e;
  background: var(--primary);
  border-radius: 8px;
  font-weight: 800;
}
.skip-link:focus { transform: translateY(0); }

.section-shell { width: min(calc(100% - 40px), var(--max-width)); margin-inline: auto; }
.content-section { padding-block: 105px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(18px);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.site-header.scrolled { border-color: var(--line); box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12); }
.nav-shell { width: min(calc(100% - 40px), 1240px); min-height: 76px; margin: auto; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-size: 0.94rem; font-weight: 650; letter-spacing: 0.12em; white-space: nowrap; }
.brand strong { color: var(--primary); }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; color: #02150f; background: var(--primary); border-radius: 10px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.8rem; font-weight: 1000; letter-spacing: -0.14em; padding-right: 2px; box-shadow: 0 0 0 5px rgba(0, 229, 168, 0.09); }
.primary-nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.primary-nav a, .footer-links a { color: var(--muted); text-decoration: none; font-size: 0.91rem; font-weight: 650; transition: color 0.2s ease; }
.primary-nav a:hover, .primary-nav a:focus-visible, .footer-links a:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 11px; }
.icon-button, .menu-toggle { border: 1px solid var(--line); color: var(--text); background: var(--surface); cursor: pointer; }
.icon-button { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; font-size: 1rem; }
.menu-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; padding: 10px; }
.menu-toggle span { display: block; height: 2px; margin: 4px 0; border-radius: 2px; background: currentColor; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--primary);
  border-radius: 12px;
  color: #03150f;
  background: var(--primary);
  text-decoration: none;
  font-weight: 820;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(0, 229, 168, 0.16);
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.button:hover { transform: translateY(-2px); background: #22f0b6; box-shadow: 0 16px 36px rgba(0, 229, 168, 0.22); }
.button:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible, a:focus-visible { outline: 3px solid color-mix(in srgb, var(--secondary) 55%, transparent); outline-offset: 3px; }
.button-small { min-height: 40px; padding-inline: 16px; font-size: 0.85rem; border-radius: 10px; }
.button-secondary { color: var(--text); background: transparent; border-color: var(--line-strong); box-shadow: none; }
.button-secondary:hover { background: var(--surface-2); box-shadow: none; }
.button-full { width: 100%; margin-top: auto; }
.purple-button { border-color: var(--purple); background: var(--purple); color: #10051f; box-shadow: 0 12px 30px rgba(170, 124, 255, 0.16); }

.hero { min-height: calc(100vh - 76px); padding-block: 92px 74px; display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(420px, 0.97fr); align-items: center; gap: 70px; }
.eyebrow, .section-kicker { display: inline-flex; align-items: center; gap: 9px; color: var(--primary); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.78rem; font-weight: 800; letter-spacing: 0.13em; text-transform: uppercase; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 6px rgba(0, 229, 168, 0.11); animation: pulse 2s infinite; }
.hero h1 { max-width: 760px; margin: 22px 0 24px; font-size: clamp(4rem, 7.3vw, 7.2rem); line-height: 0.92; letter-spacing: -0.07em; }
.gradient-text { color: transparent; background: linear-gradient(110deg, var(--primary), #62e5ff 55%, var(--secondary)); -webkit-background-clip: text; background-clip: text; }
.hero-lead { max-width: 660px; margin: 0; color: var(--muted); font-size: clamp(1.04rem, 1.7vw, 1.22rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-proof { display: flex; gap: 0; margin-top: 52px; border-top: 1px solid var(--line); }
.hero-proof div { min-width: 130px; padding: 23px 26px 0 0; }
.hero-proof div + div { padding-left: 26px; border-left: 1px solid var(--line); }
.hero-proof strong { display: block; font-size: 1.5rem; line-height: 1.2; }
.hero-proof span { color: var(--muted); font-size: 0.77rem; }
.hero-visual { position: relative; }
.terminal-card { overflow: hidden; border: 1px solid var(--line-strong); border-radius: var(--radius-md); background: #07101b; box-shadow: var(--shadow), 0 0 0 10px rgba(255,255,255,0.018); transform: perspective(1000px) rotateY(-3deg) rotateX(1deg); }
.terminal-topbar, .terminal-footer { display: flex; align-items: center; color: #71839b; background: #0c1725; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.7rem; }
.terminal-topbar { justify-content: space-between; gap: 16px; padding: 13px 15px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.terminal-dots { display: flex; gap: 6px; }
.terminal-dots i { width: 9px; height: 9px; border-radius: 50%; background: #ff6878; }
.terminal-dots i:nth-child(2) { background: #ffc857; }
.terminal-dots i:nth-child(3) { background: #35d68f; }
.terminal-status { color: var(--primary); }
.terminal-card pre { min-height: 388px; margin: 0; padding: 34px 28px; color: #e7eef8; font: 0.88rem/1.9 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; overflow-x: auto; }
.code-muted { color: #70839a; }.code-purple { color: #d29cff; }.code-green { color: #72e6b6; }.code-blue { color: #76b7ff; }
.terminal-footer { justify-content: flex-end; gap: 20px; padding: 8px 14px; border-top: 1px solid rgba(255,255,255,0.08); }
.terminal-footer span:first-child { margin-right: auto; color: var(--primary); }
.floating-chip { position: absolute; padding: 10px 14px; border: 1px solid var(--line-strong); border-radius: 999px; background: color-mix(in srgb, var(--surface) 92%, transparent); box-shadow: var(--shadow); backdrop-filter: blur(12px); font-size: 0.78rem; font-weight: 800; }
.chip-one { top: -24px; right: -12px; }.chip-two { left: -28px; bottom: 42px; }

.ticker { overflow: hidden; border-block: 1px solid var(--line); background: var(--surface); }
.ticker-track { width: max-content; padding: 16px 0; display: flex; align-items: center; gap: 26px; color: var(--muted); font: 800 0.72rem ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: 0.14em; animation: ticker 28s linear infinite; }
.ticker-track b { color: var(--primary); font-size: 0.5rem; }

.section-heading { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr); align-items: end; gap: 70px; margin-bottom: 48px; }
.section-heading h2, .roadmap-intro h2, .about-layout h2, .cta-section h2 { margin: 12px 0 0; font-size: clamp(2.25rem, 4.5vw, 4rem); line-height: 1.05; letter-spacing: -0.045em; }
.section-heading p { margin: 0; color: var(--muted); }

.learning-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.learning-card { grid-column: span 4; min-height: 300px; padding: 27px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); transition: transform 0.2s ease, border-color 0.2s ease; }
.learning-card:hover { transform: translateY(-5px); border-color: rgba(0, 229, 168, 0.35); }
.featured-card { grid-column: span 8; grid-row: span 2; min-height: 450px; position: relative; overflow: hidden; background: linear-gradient(145deg, var(--surface), color-mix(in srgb, var(--surface) 75%, var(--primary))); }
.featured-card::after { content: "</>"; position: absolute; right: -8px; bottom: -72px; color: rgba(255,255,255,0.035); font: 900 13rem ui-monospace, monospace; letter-spacing: -0.18em; }
.card-number { color: var(--primary); font: 800 0.75rem ui-monospace, monospace; }
.card-label, .tool-badge { display: inline-block; margin-top: 42px; padding: 6px 9px; border: 1px solid var(--line); border-radius: 7px; color: var(--muted); background: rgba(255,255,255,0.02); font: 750 0.67rem ui-monospace, monospace; text-transform: uppercase; letter-spacing: 0.08em; }
.learning-card:not(.featured-card) .card-label { margin-top: 25px; }
.learning-card h3 { margin: 14px 0 12px; font-size: 1.35rem; line-height: 1.2; }
.featured-card h3 { max-width: 550px; font-size: clamp(2rem, 4vw, 3.25rem); }
.learning-card p { color: var(--muted); }
.card-icon { display: grid; place-items: center; width: 58px; height: 58px; border: 1px solid var(--line); border-radius: 15px; color: var(--primary); background: var(--surface-2); font: 900 0.9rem ui-monospace, monospace; }
.check-list { padding: 0; margin: 25px 0; list-style: none; }
.check-list li { position: relative; padding: 7px 0 7px 27px; color: var(--muted); }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--primary); font-weight: 900; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--text); text-decoration: none; font-weight: 800; }
.text-link span { color: var(--primary); transition: transform 0.2s ease; }.text-link:hover span { transform: translateX(4px); }
.progress-row { display: flex; justify-content: space-between; margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.74rem; }

.tools-section { background: var(--bg-soft); border-block: 1px solid var(--line); }
.toolbox { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow); }
.tool-tabs { display: flex; overflow-x: auto; gap: 0; padding: 10px; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.tool-tab { flex: 1 0 auto; min-height: 45px; padding: 0 18px; border: 0; border-radius: 9px; color: var(--muted); background: transparent; font-size: 0.82rem; font-weight: 800; cursor: pointer; }
.tool-tab.active { color: var(--text); background: var(--surface); box-shadow: 0 5px 18px rgba(0,0,0,0.12); }
.tool-panel { display: none; grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr); min-height: 565px; }
.tool-panel.active { display: grid; }
.tool-info { padding: 40px; border-right: 1px solid var(--line); }
.tool-info .tool-badge { margin-top: 0; color: var(--primary); }
.tool-info h3 { margin: 18px 0 10px; font-size: 1.7rem; line-height: 1.15; }
.tool-info > p { margin-top: 0; color: var(--muted); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 28px 0 22px; }
.form-grid label:first-child { grid-column: 1 / -1; }
.compact-grid label:first-child { grid-column: auto; }
.form-stack { display: grid; gap: 15px; margin: 28px 0 22px; }
label { display: grid; gap: 7px; color: var(--muted); font-size: 0.76rem; font-weight: 750; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 10px; color: var(--text); background: var(--bg); padding: 12px 13px; }
textarea { resize: vertical; }
input[type="color"] { width: 52px; min-width: 52px; padding: 4px; cursor: pointer; }
.color-input-wrap { display: flex; gap: 8px; }
.code-input { min-height: 220px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.78rem; }
.full-label { margin-top: 24px; }
.inline-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.validation-message { min-height: 24px; margin-bottom: 0; font-size: 0.8rem; }
.validation-message.success { color: var(--primary); }.validation-message.error { color: var(--danger); }
.tool-output { min-width: 0; padding: 26px; background: #07101b; }
.output-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 42px; padding: 0 5px 13px; color: #8ea0b8; font: 700 0.72rem ui-monospace, monospace; }
.output-header > div { display: flex; gap: 7px; }
.mini-button { min-height: 30px; padding: 0 10px; border: 1px solid rgba(255,255,255,0.12); border-radius: 7px; color: #aebed0; background: rgba(255,255,255,0.05); cursor: pointer; font-size: 0.68rem; font-weight: 800; }
.tool-output pre { height: calc(100% - 48px); min-height: 470px; margin: 0; padding: 22px; overflow: auto; border: 1px solid rgba(255,255,255,0.08); border-radius: 12px; color: #dce6f2; background: #050c14; font: 0.77rem/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre; }
.clamp-output-box pre { height: auto; min-height: 90px; }
.clamp-preview { display: grid; place-items: center; min-height: 190px; margin-top: 18px; padding: 20px; border: 1px dashed rgba(255,255,255,0.18); border-radius: 12px; color: #f4f8fb; text-align: center; font-size: clamp(1.125rem, 0.589rem + 2.679vw, 3rem); font-weight: 900; }
.clamp-output-box > p { color: #70839a; font-size: 0.72rem; }

.product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.product-card { position: relative; overflow: hidden; min-height: 430px; padding: 34px; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.product-card::before { content: ""; position: absolute; width: 240px; height: 240px; top: -120px; right: -85px; border-radius: 50%; filter: blur(3px); opacity: 0.16; }
.product-blue::before { background: var(--secondary); }.product-purple::before { background: var(--purple); }
.product-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.product-logo { display: grid; place-items: center; width: 68px; height: 68px; border: 1px solid var(--line); border-radius: 17px; color: var(--text); background: var(--surface-2); font: 900 1rem ui-monospace, monospace; }
.availability { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: 0.72rem; }
.availability i { width: 7px; height: 7px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 5px rgba(0,229,168,0.1); }
.product-card h3 { margin: 45px 0 14px; font-size: clamp(1.6rem, 3vw, 2.4rem); line-height: 1.1; }
.product-card p { max-width: 510px; margin: 0 0 24px; color: var(--muted); }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.tag-row span { padding: 6px 9px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font: 750 0.66rem ui-monospace, monospace; }

.roadmap-section { background: var(--surface); border-block: 1px solid var(--line); }
.roadmap-layout { display: grid; grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr); gap: 90px; }
.roadmap-intro { position: sticky; top: 120px; align-self: start; }
.roadmap-intro > p { color: var(--muted); }
.roadmap-note { margin-top: 28px; padding: 22px; border-left: 3px solid var(--primary); color: var(--muted); background: var(--surface-2); font-size: 0.88rem; }
.roadmap-note strong { color: var(--text); }
.timeline { position: relative; }
.timeline::before { content: ""; position: absolute; left: 82px; top: 12px; bottom: 12px; width: 1px; background: var(--line-strong); }
.timeline-item { position: relative; display: grid; grid-template-columns: 82px 1fr; gap: 30px; padding: 0 0 52px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before { content: ""; position: absolute; left: 77px; top: 8px; width: 11px; height: 11px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 7px var(--surface), 0 0 0 8px var(--line-strong); }
.timeline-week { color: var(--primary); font: 800 0.7rem ui-monospace, monospace; }
.timeline-item h3 { margin: 0 0 9px; font-size: 1.35rem; }
.timeline-item p { margin: 0; color: var(--muted); }

.about-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 90px; }
.about-copy p { margin-top: 0; color: var(--muted); font-size: 1.04rem; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 65px; }
.value-grid article { padding: 25px; border-top: 1px solid var(--line-strong); }
.value-grid span { color: var(--primary); font: 800 0.72rem ui-monospace, monospace; }
.value-grid h3 { margin: 25px 0 8px; }.value-grid p { margin: 0; color: var(--muted); font-size: 0.88rem; }

.faq-section { padding-top: 40px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; padding: 25px 48px 25px 0; cursor: pointer; list-style: none; font-weight: 800; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 8px; top: 20px; color: var(--primary); font-size: 1.5rem; font-weight: 400; transition: transform 0.2s ease; }
details[open] summary::after { transform: rotate(45deg); }
details p { max-width: 850px; margin: -8px 0 25px; color: var(--muted); }

.cta-section { margin-block: 50px 110px; padding: 58px; display: flex; align-items: center; justify-content: space-between; gap: 35px; border: 1px solid rgba(0,229,168,0.25); border-radius: var(--radius-lg); background: linear-gradient(120deg, color-mix(in srgb, var(--surface) 88%, var(--primary)), var(--surface)); box-shadow: var(--shadow); }
.cta-section h2 { font-size: clamp(2rem, 4vw, 3.4rem); }
.cta-section .button { flex: 0 0 auto; }

.site-footer { border-top: 1px solid var(--line); background: var(--bg-soft); }
.footer-layout { min-height: 235px; padding-block: 54px; display: grid; grid-template-columns: 1.2fr 0.5fr 0.8fr; align-items: start; gap: 60px; }
.footer-brand { margin-bottom: 18px; }.footer-layout p { max-width: 380px; margin: 0; color: var(--muted); font-size: 0.82rem; }
.footer-links { display: grid; gap: 9px; }.footer-meta { text-align: right; }.footer-meta p + p { margin-top: 7px; margin-left: auto; }

.toast { position: fixed; left: 50%; bottom: 28px; z-index: 200; transform: translate(-50%, 150%); padding: 11px 16px; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--text); background: var(--surface); box-shadow: var(--shadow); font-size: 0.8rem; font-weight: 750; opacity: 0; transition: transform 0.25s ease, opacity 0.25s ease; }
.toast.show { transform: translate(-50%, 0); opacity: 1; }

@keyframes pulse { 50% { box-shadow: 0 0 0 9px rgba(0, 229, 168, 0); } }
@keyframes ticker { to { transform: translateX(-50%); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

@media (max-width: 1020px) {
  .primary-nav { gap: 17px; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 70px; }
  .hero-copy { max-width: 850px; }
  .hero-visual { max-width: 720px; }
  .learning-card { grid-column: span 6; }
  .featured-card { grid-column: span 12; }
  .tool-panel { grid-template-columns: 1fr; }
  .tool-info { border-right: 0; border-bottom: 1px solid var(--line); }
  .tool-output pre { min-height: 380px; }
  .roadmap-layout { gap: 55px; }
}

@media (max-width: 820px) {
  .nav-actions .button { display: none; }
  .menu-toggle { display: block; margin-left: auto; }
  .primary-nav { position: fixed; left: 20px; right: 20px; top: 82px; display: none; align-items: stretch; padding: 12px; border: 1px solid var(--line); border-radius: 15px; background: var(--surface); box-shadow: var(--shadow); }
  .primary-nav.open { display: grid; }
  .primary-nav a { padding: 11px 12px; border-radius: 8px; }
  .primary-nav a:hover { background: var(--surface-2); }
  .section-heading { grid-template-columns: 1fr; gap: 20px; }
  .product-grid, .about-layout, .roadmap-layout { grid-template-columns: 1fr; }
  .roadmap-intro { position: static; }
  .value-grid { grid-template-columns: 1fr; }
  .cta-section { align-items: flex-start; flex-direction: column; }
  .footer-layout { grid-template-columns: 1fr 1fr; }.footer-meta { grid-column: 1 / -1; text-align: left; }.footer-meta p { margin-left: 0; }
}

@media (max-width: 620px) {
  .section-shell, .nav-shell { width: min(calc(100% - 28px), var(--max-width)); }
  .content-section { padding-block: 76px; }
  .nav-shell { min-height: 68px; gap: 12px; }
  .brand { font-size: 0.79rem; }.brand-mark { width: 34px; height: 34px; }
  .hero { padding-block: 62px; gap: 52px; }
  .hero h1 { font-size: clamp(3.6rem, 19vw, 5.2rem); }
  .hero-proof { display: grid; grid-template-columns: repeat(3, 1fr); }
  .hero-proof div { min-width: 0; padding-right: 10px; }.hero-proof div + div { padding-left: 10px; }
  .hero-proof span { font-size: 0.66rem; }
  .terminal-card { transform: none; }.terminal-card pre { min-height: 320px; padding: 22px 17px; font-size: 0.7rem; }.terminal-topbar > span:nth-child(2) { display: none; }
  .floating-chip { display: none; }
  .learning-grid { display: grid; grid-template-columns: 1fr; }.learning-card, .featured-card { grid-column: auto; min-height: auto; }.featured-card { padding-bottom: 50px; }
  .section-heading h2, .roadmap-intro h2, .about-layout h2 { font-size: 2.35rem; }
  .tool-tabs { justify-content: flex-start; }
  .tool-info, .tool-output { padding: 21px; }
  .form-grid { grid-template-columns: 1fr; }.form-grid label:first-child { grid-column: auto; }
  .tool-output pre { min-height: 330px; padding: 16px; font-size: 0.68rem; }
  .product-card { min-height: 410px; padding: 25px; }
  .timeline::before { left: 9px; }.timeline-item { grid-template-columns: 1fr; gap: 8px; padding-left: 38px; }.timeline-item::before { left: 4px; }
  .cta-section { width: calc(100% - 28px); padding: 32px 24px; margin-bottom: 75px; }
  .footer-layout { grid-template-columns: 1fr; gap: 35px; }.footer-meta { grid-column: auto; }
}


/* =========================================
   ARTIKEL & KONTAK
   ========================================= */
.article-section { padding-top: 105px; }
.article-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.article-card { min-height: 360px; padding: 28px; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); transition: transform 0.2s ease, border-color 0.2s ease; }
.article-card:hover { transform: translateY(-5px); border-color: rgba(0, 229, 168, 0.35); }
.article-card-featured { background: linear-gradient(145deg, var(--surface), color-mix(in srgb, var(--surface) 82%, var(--secondary))); }
.article-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; color: var(--muted); font: 750 0.68rem ui-monospace, monospace; }
.article-meta span { color: var(--primary); }
.article-card h3 { margin: 52px 0 14px; font-size: 1.55rem; line-height: 1.15; }
.article-card p { margin: 0 0 28px; color: var(--muted); }
.article-card .text-link { margin-top: auto; }
.section-bottom-link { margin-top: 28px; text-align: center; }

.contact-section { background: var(--bg-soft); border-block: 1px solid var(--line); }
.contact-layout { display: grid; grid-template-columns: 1.15fr 0.85fr; align-items: center; gap: 70px; }
.contact-layout h2 { margin: 12px 0 20px; font-size: clamp(2.25rem, 4.5vw, 4rem); line-height: 1.05; letter-spacing: -0.045em; }
.contact-layout > div:first-child > p { max-width: 680px; color: var(--muted); }
.contact-points { display: grid; gap: 10px; margin-top: 26px; color: var(--muted); }
.contact-points span::first-letter { color: var(--primary); }
.telegram-card { padding: 34px; border: 1px solid rgba(0,229,168,0.28); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow); }
.telegram-icon { display: grid; place-items: center; width: 64px; height: 64px; margin-bottom: 28px; border-radius: 18px; color: #03150f; background: var(--primary); font-size: 1.8rem; transform: rotate(-18deg); }
.contact-label { color: var(--primary); font: 800 0.7rem ui-monospace, monospace; text-transform: uppercase; letter-spacing: 0.1em; }
.telegram-card h3 { margin: 9px 0 12px; font-size: 2rem; }
.telegram-card p { margin: 0 0 28px; color: var(--muted); font-size: 0.9rem; }

/* Halaman artikel */
.article-page { background: var(--bg); }
.article-page .site-header { position: sticky; }
.article-header-actions { display: flex; align-items: center; gap: 11px; margin-left: auto; }
.article-hero { padding-block: 90px 65px; border-bottom: 1px solid var(--line); }
.article-breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; color: var(--muted); font-size: 0.78rem; }
.article-breadcrumbs a { color: var(--primary); text-decoration: none; }
.article-hero h1 { max-width: 950px; margin: 0 0 24px; font-size: clamp(2.8rem, 7vw, 5.8rem); line-height: 0.98; letter-spacing: -0.055em; }
.article-intro { max-width: 780px; margin: 0; color: var(--muted); font-size: 1.12rem; }
.article-byline { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 28px; color: var(--muted); font: 750 0.72rem ui-monospace, monospace; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 270px; gap: 70px; padding-block: 75px 110px; }
.article-content { min-width: 0; }
.article-content h2 { margin: 58px 0 18px; font-size: clamp(1.8rem, 4vw, 2.7rem); line-height: 1.1; letter-spacing: -0.035em; }
.article-content h2:first-child { margin-top: 0; }
.article-content h3 { margin: 34px 0 12px; font-size: 1.35rem; }
.article-content p, .article-content li { color: var(--muted); }
.article-content ul, .article-content ol { padding-left: 24px; }
.article-content li + li { margin-top: 9px; }
.article-content strong { color: var(--text); }
.article-content pre { overflow-x: auto; margin: 24px 0; padding: 22px; border: 1px solid rgba(255,255,255,0.09); border-radius: 13px; color: #dce6f2; background: #050c14; font: 0.8rem/1.75 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.article-content code:not(pre code) { padding: 2px 6px; border: 1px solid var(--line); border-radius: 6px; color: var(--primary); background: var(--surface-2); font: 0.85em ui-monospace, monospace; }
.article-callout { margin: 28px 0; padding: 22px; border-left: 3px solid var(--primary); color: var(--muted); background: var(--surface); }
.article-callout strong { color: var(--text); }
.article-sidebar { position: sticky; top: 110px; align-self: start; }
.article-sidebar-card { padding: 23px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); }
.article-sidebar-card + .article-sidebar-card { margin-top: 18px; }
.article-sidebar-card h2 { margin: 0 0 16px; font-size: 1rem; }
.article-sidebar-card nav { display: grid; gap: 10px; }
.article-sidebar-card a { color: var(--muted); text-decoration: none; font-size: 0.82rem; }
.article-sidebar-card a:hover { color: var(--primary); }
.article-next { margin-top: 70px; padding-top: 28px; border-top: 1px solid var(--line); }
.article-next p { margin-bottom: 12px; color: var(--muted); font-size: 0.8rem; }
.article-index-hero { padding-block: 85px 45px; }
.article-index-hero h1 { margin: 12px 0 20px; font-size: clamp(3rem, 7vw, 5.5rem); line-height: 0.98; letter-spacing: -0.055em; }
.article-index-hero p { max-width: 720px; color: var(--muted); }
.article-index-grid { padding-bottom: 110px; }

@media (max-width: 920px) {
  .article-grid { grid-template-columns: 1fr 1fr; }
  .article-card-featured { grid-column: 1 / -1; }
  .contact-layout, .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
}

@media (max-width: 620px) {
  .article-grid { grid-template-columns: 1fr; }
  .article-card-featured { grid-column: auto; }
  .article-card { min-height: 330px; padding: 24px; }
  .contact-layout { gap: 38px; }
  .telegram-card { padding: 25px; }
  .article-hero { padding-block: 62px 44px; }
  .article-layout { padding-block: 52px 75px; }
  .article-header-actions .button { display: none; }
}