/* =====================================================================
   LFbrown — Software Company Site
   Design System : Dark Tech (navy/black + neon accent)
   Hand-crafted, no build step. Modern CSS (custom props, grid, clamp).
   ===================================================================== */

/* ---------- Fonts ---------- */
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css');
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&display=swap');

/* ---------- Tokens ---------- */
:root {
  /* surfaces */
  --bg:            #0A0E1A;
  --bg-2:          #0D1322;
  --surface:       #121829;
  --surface-2:     #161E33;
  --surface-3:     #1C2640;
  --line:          rgba(255,255,255,.08);
  --line-strong:   rgba(255,255,255,.16);

  /* text */
  --text:          #E6EAF2;
  --text-dim:      #9AA4BC;
  --text-faint:    #5C6680;

  /* accent */
  --cyan:          #00E5FF;
  --violet:        #7C5CFF;
  --lime:          #3DF5A0;
  --pink:          #FF5C9D;
  --grad:          linear-gradient(110deg, var(--cyan), var(--violet));
  --grad-soft:     linear-gradient(110deg, rgba(0,229,255,.16), rgba(124,92,255,.16));

  /* glow */
  --glow-cyan:     0 0 0 1px rgba(0,229,255,.4), 0 8px 40px -8px rgba(0,229,255,.45);
  --glow-violet:   0 0 0 1px rgba(124,92,255,.4), 0 8px 40px -8px rgba(124,92,255,.45);

  /* type */
  --font-sans:     'Pretendard', system-ui, sans-serif;
  --font-display:  'Space Grotesk', 'Pretendard', sans-serif;
  --font-mono:     'JetBrains Mono', monospace;

  /* layout */
  --maxw:          1180px;
  --radius:        16px;
  --radius-sm:     10px;
  --radius-lg:     24px;

  --ease:          cubic-bezier(.16,1,.3,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { list-style: none; padding: 0; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }
::selection { background: rgba(0,229,255,.28); color: #fff; }

/* ---------- Background atmosphere ---------- */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(900px 600px at 78% -8%, rgba(124,92,255,.16), transparent 60%),
    radial-gradient(800px 600px at 8% 8%,  rgba(0,229,255,.12),  transparent 55%),
    var(--bg);
}
body::after {
  content: "";
  position: fixed; inset: 0; z-index: -1; opacity: .5;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(circle at 50% 0%, #000, transparent 75%);
          mask-image: radial-gradient(circle at 50% 0%, #000, transparent 75%);
}

/* ---------- Layout helpers ---------- */
.container { width: min(100% - 40px, var(--maxw)); margin-inline: auto; }
.section { padding: clamp(64px, 9vw, 130px) 0; position: relative; }
.section-head { max-width: 680px; margin-bottom: clamp(36px, 5vw, 60px); }
.section-head.center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: .78rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--cyan);
  padding: 6px 12px; border: 1px solid var(--line-strong); border-radius: 100px;
  background: rgba(0,229,255,.05); margin-bottom: 20px;
}
.eyebrow::before { content:""; width:6px; height:6px; border-radius:50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }

h1,h2,h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.12; letter-spacing: -.02em; }
.section h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
.lead { color: var(--text-dim); font-size: clamp(1rem, 1.4vw, 1.18rem); margin-top: 18px; }

.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 24px; border-radius: 100px; font-weight: 600; font-size: .96rem;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary { background: var(--grad); color: #04111c; box-shadow: 0 10px 30px -10px rgba(0,229,255,.6); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -10px rgba(0,229,255,.75); }
.btn-ghost { border: 1px solid var(--line-strong); color: var(--text); background: rgba(255,255,255,.02); }
.btn-ghost:hover { border-color: var(--cyan); color: #fff; transform: translateY(-2px); }
.btn-block { width: 100%; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: rgba(10,14,26,.62); border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.site-header.scrolled { border-color: var(--line); background: rgba(10,14,26,.85); }
.nav { display: flex; align-items: center; gap: 28px; height: 70px; }
.brand { display: flex; align-items: center; gap: 0; font-family: var(--font-display); font-weight: 700; font-size: 1.18rem; letter-spacing: -.01em; }
.brand .dot { width: 11px; height: 11px; border-radius: 3px; background: var(--grad); box-shadow: 0 0 14px rgba(0,229,255,.8); transform: rotate(45deg); margin-right: 10px; }
.brand b { font-weight: 700; }
.brand i { font-style: normal; color: var(--cyan); }
.nav-links { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.nav-links a { color: var(--text-dim); font-size: .94rem; font-weight: 500; transition: color .2s; position: relative; }
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 14px; }

.lang-toggle {
  display: inline-flex; border: 1px solid var(--line-strong); border-radius: 100px; overflow: hidden; font-family: var(--font-mono); font-size: .74rem;
}
.lang-toggle button { padding: 6px 11px; color: var(--text-faint); font-weight: 600; transition: .2s; }
.lang-toggle button.active { background: var(--grad); color: #04111c; }

.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.menu-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s; }

/* ---------- Hero ---------- */
.hero { padding: clamp(56px, 9vw, 120px) 0 clamp(48px, 7vw, 90px); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.hero h1 { font-size: clamp(2.4rem, 5.6vw, 4.3rem); font-weight: 700; }
.hero .lead { font-size: clamp(1.05rem, 1.6vw, 1.3rem); max-width: 520px; }
.hero-cta { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 30px; margin-top: 46px; flex-wrap: wrap; }
.hero-stats .num { font-family: var(--font-display); font-size: 1.9rem; font-weight: 700; }
.hero-stats .lbl { font-size: .82rem; color: var(--text-dim); }

/* code window */
.code-window {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,.7), var(--glow-violet);
  overflow: hidden; font-family: var(--font-mono); font-size: .86rem;
}
.code-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: rgba(0,0,0,.2); }
.code-bar i { width: 11px; height: 11px; border-radius: 50%; display: block; }
.code-bar i:nth-child(1){background:#FF5F57;} .code-bar i:nth-child(2){background:#FEBC2E;} .code-bar i:nth-child(3){background:#28C840;}
.code-bar span { margin-left: 8px; color: var(--text-faint); font-size: .76rem; }
.code-body { padding: 22px 22px 26px; line-height: 1.85; min-height: 270px; }
.code-body .ln { color: var(--text-faint); }
.tok-key { color: var(--violet); } .tok-fn { color: var(--cyan); } .tok-str { color: var(--lime); } .tok-num { color: var(--pink); } .tok-com { color: var(--text-faint); font-style: italic; }
.cursor { display: inline-block; width: 9px; height: 1.1em; background: var(--cyan); vertical-align: text-bottom; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 22px; }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: transform .35s var(--ease), border-color .35s, box-shadow .35s;
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-5px); border-color: var(--line-strong); }
.card .ic {
  width: 50px; height: 50px; border-radius: 13px; display: grid; place-items: center;
  background: var(--grad-soft); border: 1px solid var(--line-strong); margin-bottom: 20px;
}
.card .ic svg { width: 25px; height: 25px; stroke: var(--cyan); }
.card h3 { font-size: 1.22rem; margin-bottom: 9px; }
.card p { color: var(--text-dim); font-size: .96rem; }

/* product cards (home) */
.product-card { display: flex; flex-direction: column; min-height: 320px; }
.product-card::after {
  content: ""; position: absolute; inset: 0; border-radius: var(--radius); padding: 1px;
  background: var(--grad); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity .35s;
}
.product-card:hover::after { opacity: 1; }
.product-card:hover { box-shadow: var(--glow-cyan); }
.product-tag { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 14px; }
.product-logo { display: flex; align-items: center; gap: 11px; margin-bottom: 14px; }
.product-logo .mark { width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; color: #04111c; }
.product-card h3 { font-size: 1.45rem; }
.product-card .desc { color: var(--text-dim); margin: 10px 0 18px; font-size: .97rem; }
.product-card .chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: auto; }
.chip { font-size: .76rem; padding: 4px 10px; border: 1px solid var(--line-strong); border-radius: 100px; color: var(--text-dim); }
.product-card .more { margin-top: 18px; display: inline-flex; align-items: center; gap: 7px; color: var(--cyan); font-weight: 600; font-size: .92rem; }
.product-card .more svg { width: 16px; transition: transform .25s; }
.product-card:hover .more svg { transform: translateX(4px); }

/* ---------- Tech / stack marquee ---------- */
.tech-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px,4vw,56px); align-items: center; }
.tech-list { display: flex; flex-direction: column; gap: 16px; }
.tech-item { display: flex; gap: 16px; align-items: flex-start; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: rgba(255,255,255,.015); transition: border-color .3s; }
.tech-item:hover { border-color: var(--line-strong); }
.tech-item .n { font-family: var(--font-mono); color: var(--cyan); font-size: .9rem; padding-top: 2px; }
.tech-item h4 { font-family: var(--font-display); font-size: 1.05rem; margin-bottom: 3px; }
.tech-item p { color: var(--text-dim); font-size: .9rem; }

.stack-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.stack-cloud span {
  font-family: var(--font-mono); font-size: .82rem; padding: 8px 14px; border-radius: 100px;
  border: 1px solid var(--line-strong); color: var(--text-dim); background: var(--surface);
  transition: .25s;
}
.stack-cloud span:hover { color: #fff; border-color: var(--cyan); box-shadow: var(--glow-cyan); transform: translateY(-2px); }

/* ---------- Counter ---------- */
.counter-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.counter-box { background: var(--surface); padding: 38px 24px; text-align: center; }
.counter-box .num { font-family: var(--font-display); font-weight: 700; font-size: clamp(2.2rem,4vw,3.2rem); }
.counter-box .lbl { color: var(--text-dim); font-size: .92rem; margin-top: 6px; }

/* ---------- Process steps ---------- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.step { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); position: relative; }
.step::before {
  counter-increment: step; content: "0" counter(step);
  font-family: var(--font-mono); font-size: 1.6rem; font-weight: 700; color: transparent;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; display: block; margin-bottom: 14px;
}
.step h4 { font-family: var(--font-display); font-size: 1.12rem; margin-bottom: 8px; }
.step p { color: var(--text-dim); font-size: .92rem; }

/* ---------- Partners marquee ---------- */
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; gap: 50px; width: max-content; animation: scroll 38s linear infinite; align-items: center; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee img { height: 30px; opacity: .55; filter: grayscale(1) brightness(2.4); transition: .3s; }
.marquee img:hover { opacity: 1; filter: none; }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px,4vw,56px); }
.contact-info li { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.contact-info .ic { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; background: var(--grad-soft); flex: none; }
.contact-info .ic svg { width: 20px; stroke: var(--cyan); }
.contact-info span { display: block; font-size: .8rem; color: var(--text-faint); }
.contact-info b { font-weight: 500; }
.form { display: grid; gap: 16px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.field label { display: block; font-size: .84rem; color: var(--text-dim); margin-bottom: 7px; }
.field input, .field textarea {
  width: 100%; padding: 12px 14px; background: var(--bg-2); border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm); color: var(--text); font: inherit; font-size: .94rem; transition: border-color .2s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--cyan); }
.field textarea { resize: vertical; min-height: 120px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 56px 0 30px; margin-top: 40px; background: var(--bg-2); }
.foot-grid { display: grid; grid-template-columns: 1.5fr 1fr .85fr 1fr 1fr; gap: 32px; margin-bottom: 40px; }
.foot-col h5 { font-family: var(--font-display); font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; color: var(--text-faint); margin-bottom: 16px; }
.foot-col a { display: block; color: var(--text-dim); font-size: .92rem; padding: 5px 0; transition: color .2s; }
.foot-col a:hover { color: var(--cyan); }
.foot-about p { color: var(--text-dim); font-size: .92rem; margin-top: 14px; max-width: 280px; }
.foot-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; border-top: 1px solid var(--line); color: var(--text-faint); font-size: .85rem; flex-wrap: wrap; gap: 12px; }

/* ---------- CTA band ---------- */
.cta-band { text-align: center; border: 1px solid var(--line-strong); border-radius: var(--radius-lg); padding: clamp(40px,6vw,72px); background: var(--grad-soft); position: relative; overflow: hidden; }
.cta-band h2 { font-size: clamp(1.8rem,3.5vw,2.7rem); }
.cta-band .lead { margin-inline: auto; max-width: 560px; }
.cta-band .hero-cta { justify-content: center; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"]{transition-delay:.08s} .reveal[data-d="2"]{transition-delay:.16s} .reveal[data-d="3"]{transition-delay:.24s} .reveal[data-d="4"]{transition-delay:.32s}

/* ---------- i18n visibility ----------
   숨김에 !important 로 컴포넌트 display 규칙(.foot-col a{display:block} 등)을 항상 이김.
   '보이는' 쪽은 i18n 규칙을 두지 않아 요소 본래 display(block/inline/flex)를 그대로 유지. */
html:not([lang="en"]) [data-lang-en] { display: none !important; }
html[lang="en"] [data-lang-ko] { display: none !important; }

/* =====================================================================
   PRODUCT LANDING PAGES
   ===================================================================== */
.product-page { --p1: var(--cyan); --p2: var(--violet); }
.product-page .accent { color: var(--p1); }

.phero { padding: clamp(80px,11vw,150px) 0 clamp(50px,7vw,90px); position: relative; }
.phero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(32px,5vw,60px); align-items: center; }
.phero .badge-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
.badge { font-family: var(--font-mono); font-size: .74rem; padding: 6px 12px; border-radius: 100px; border: 1px solid var(--line-strong); color: var(--text-dim); }
.phero h1 { font-size: clamp(2.3rem,5vw,3.8rem); font-weight: 700; }
.phero .lead { max-width: 520px; }
.plogo { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 26px; }
.plogo .mark { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; font-size: 1.4rem; color: #04111c; box-shadow: 0 8px 30px -8px var(--p1); }
.plogo .name { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; }
.plogo .name small { display: block; font-size: .76rem; color: var(--text-dim); font-weight: 400; font-family: var(--font-sans); }

/* device mock */
.mock { border: 1px solid var(--line-strong); border-radius: var(--radius); background: linear-gradient(180deg,var(--surface-2),var(--surface)); box-shadow: 0 40px 90px -30px rgba(0,0,0,.7); overflow: hidden; }
.mock-bar { display: flex; align-items: center; gap: 7px; padding: 11px 14px; border-bottom: 1px solid var(--line); background: rgba(0,0,0,.25); }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-strong); }
.mock-bar .url { margin-left: 10px; font-family: var(--font-mono); font-size: .72rem; color: var(--text-faint); }
.mock-body { padding: 20px; }

/* phone mock */
.phone { width: 270px; margin-inline: auto; border: 2px solid var(--line-strong); border-radius: 34px; background: var(--bg-2); padding: 12px; box-shadow: 0 40px 90px -30px rgba(0,0,0,.8); }
.phone-screen { border-radius: 24px; overflow: hidden; background: var(--surface); aspect-ratio: 9/18; padding: 16px; }

/* feature rows */
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px,5vw,64px); align-items: center; }
.feature-row.alt { direction: rtl; } .feature-row.alt > * { direction: ltr; }
.feature-row .visual { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); min-height: 260px; padding: 24px; display: grid; place-items: center; }
.feature-row h3 { font-size: clamp(1.4rem,2.6vw,2rem); margin-bottom: 14px; }
.feature-row p { color: var(--text-dim); }
.feature-row ul.ticks { margin-top: 18px; display: grid; gap: 11px; }
.ticks li { display: flex; gap: 11px; align-items: flex-start; color: var(--text); font-size: .96rem; }
.ticks li::before { content: ""; flex: none; width: 20px; height: 20px; margin-top: 2px; border-radius: 6px; background: var(--grad-soft); border: 1px solid var(--p1); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300E5FF' stroke-width='3'%3E%3Cpath d='M5 13l4 4L19 7'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: center; background-size: 13px; }

/* spec grid */
.spec-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.spec { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.spec .k { font-family: var(--font-mono); color: var(--p1); font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; }
.spec h4 { font-family: var(--font-display); font-size: 1.08rem; margin: 10px 0 6px; }
.spec p { color: var(--text-dim); font-size: .9rem; }

/* plans */
.plan-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.plan { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 30px; display: flex; flex-direction: column; }
.plan.featured { border-color: var(--p1); box-shadow: 0 0 0 1px var(--p1), 0 20px 50px -20px rgba(0,229,255,.4); }
.plan .pname { font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; }
.plan .price { font-family: var(--font-display); font-size: 2.2rem; font-weight: 700; margin: 14px 0; }
.plan .price small { font-size: .9rem; color: var(--text-dim); font-weight: 400; }
.plan ul { display: grid; gap: 10px; margin: 18px 0 24px; }
.plan ul li { color: var(--text-dim); font-size: .92rem; display: flex; gap: 9px; }
.plan ul li::before { content: "+"; color: var(--p1); font-weight: 700; }
.plan .btn { margin-top: auto; }

/* breadcrumb back */
.back-link { display: inline-flex; align-items: center; gap: 8px; color: var(--text-dim); font-size: .9rem; margin-bottom: 26px; transition: color .2s; }
.back-link:hover { color: var(--cyan); }
.back-link svg { width: 16px; }

/* ---------- Responsive ---------- */
@media (max-width: 940px) {
  .hero-grid, .phero-grid, .tech-wrap, .contact-grid, .feature-row { grid-template-columns: 1fr; }
  .feature-row.alt { direction: ltr; }
  .cols-3, .cols-4, .spec-grid, .plan-grid, .steps, .counter-grid { grid-template-columns: repeat(2,1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .hero .code-window, .phero .mock { order: -1; }
}
@media (max-width: 620px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
    position: absolute; top: 70px; left: 0; right: 0; padding: 18px 20px 24px;
    background: var(--bg-2); border-bottom: 1px solid var(--line); margin: 0;
  }
  .nav-links.open a { padding: 10px 0; width: 100%; }
  .cols-3, .cols-4, .spec-grid, .plan-grid, .steps, .counter-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero-stats { gap: 22px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}