/* ============================================================
   Synolia — B2B Demo Store · DARK / PREMIUM variant
   Deep navy-blue canvas, sober and classy, with a single
   refined purple accent. Restraint over glow.
   ============================================================ */

:root {
  --bg: #0A1430;            /* deep navy blue */
  --bg-2: #0E1A3C;         /* panel base */
  --bg-3: #13244F;
  --surface: rgba(255, 255, 255, 0.028);
  --surface-2: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.085);
  --border-strong: rgba(255, 255, 255, 0.16);

  /* one accent: a refined purple (kept under the old variable
     names so the markup needs no changes) */
  --magenta: #9B86FF;       /* primary purple highlight */
  --magenta-deep: #7C66E8;
  --violet: #B4A6FF;        /* lighter lavender, secondary */
  --violet-soft: rgba(155, 134, 255, 0.12);
  --magenta-soft: rgba(155, 134, 255, 0.12);
  --grad: linear-gradient(135deg, #8973F0 0%, #A28DFF 100%);
  --grad-text: linear-gradient(100deg, #B6A6FF 0%, #D7CCFF 100%);

  --text: #EDEFF7;
  --text-soft: #AAB2CC;
  --text-dim: #6C779A;

  --font-base: 'Poppins', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --max-width: 1180px;
  --max-width-narrow: 780px;
  --gutter: 24px;
  --radius-card: 16px;
  --radius-btn: 999px;

  --shadow-soft: 0 16px 40px -18px rgba(0, 0, 0, 0.55);
  --shadow-panel: 0 30px 80px -34px rgba(0, 0, 0, 0.7);
  --accent-shadow: 0 14px 36px -14px rgba(124, 102, 232, 0.5);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-base);
  background: var(--bg);
  color: var(--text-soft);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

/* One single, very soft ambient — no grid, no double glow */
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(900px 520px at 78% -10%, rgba(124, 102, 232, 0.16), transparent 62%),
    linear-gradient(180deg, #0B1736 0%, var(--bg) 38%);
}
header, section, footer { position: relative; z-index: 1; }

h1, h2, h3, h4, h5, h6 { color: var(--text); font-weight: 600; line-height: 1.14; margin-bottom: 1rem; letter-spacing: -0.015em; }
h1 { font-size: 56px; font-weight: 700; letter-spacing: -0.032em; }
h2 { font-size: 38px; font-weight: 600; letter-spacing: -0.02em; }
h3 { font-size: 23px; }
h4 { font-size: 19px; }
p { margin-bottom: 0; }
a { text-decoration: none; transition: all .2s ease; color: var(--text); }
ul { list-style: none; }

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

/* Utilities */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--gutter); width: 100%; }
.container-narrow { max-width: var(--max-width-narrow); margin: 0 auto; padding: 0 var(--gutter); width: 100%; }
.text-center { text-align: center; }
.section { padding: 100px 0; }
.lead { font-size: 19px; color: var(--text-soft); line-height: 1.7; }
.mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; } .mb-40 { margin-bottom: 40px; }

/* Grid */
.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--gutter); }
.col-5 { grid-column: span 5; } .col-6 { grid-column: span 6; } .col-7 { grid-column: span 7; }
.items-center { align-items: center; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 34px; border-radius: var(--radius-btn);
  font-family: var(--font-base); font-weight: 600; font-size: 16px;
  cursor: pointer; border: none; white-space: nowrap; transition: all .25s ease; color: #fff;
}
.btn-primary { background: var(--grad); box-shadow: var(--accent-shadow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 46px -14px rgba(124, 102, 232, 0.68); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border-strong); }
.btn-ghost:hover { background: var(--surface-2); border-color: var(--magenta); }
.btn-lg { padding: 18px 44px; font-size: 18px; }

/* Header */
header { position: sticky; top: 0; z-index: 1000; padding: 18px 0; background: rgba(10, 20, 48, 0.7); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; justify-content: space-between; align-items: center; }
.logo img { height: 32px; filter: brightness(0) invert(1); opacity: .92; }

/* Eyebrow pill */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--surface); border: 1px solid var(--border); color: var(--text-soft);
  font-weight: 500; font-size: 12.5px; letter-spacing: .06em; text-transform: uppercase;
  padding: 8px 18px; border-radius: var(--radius-btn); margin-bottom: 28px;
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--magenta); }

/* Hero */
.hero { padding: 90px 0 104px; }
.hero h1 { margin-bottom: 24px; }
.hero-sub { font-size: 19px; color: var(--text-soft); margin-bottom: 34px; max-width: 560px; line-height: 1.7; }
.hero-meta { display: flex; gap: 28px; margin-top: 32px; flex-wrap: wrap; }
.hero-meta .m { display: flex; align-items: center; gap: 9px; font-size: 14px; color: var(--text-soft); }
.hero-meta .m i { color: var(--magenta); font-size: 13px; }

/* Panel / card */
.panel {
  background: var(--bg-2);
  border: 1px solid var(--border); border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
}
.panel-pad { padding: 32px; }

/* a thin refined accent rule at the top of a panel */
.panel.accent { position: relative; overflow: hidden; }
.panel.accent::before { content: ""; position: absolute; top: 0; left: 28px; right: 28px; height: 1px; background: linear-gradient(90deg, transparent, var(--magenta), transparent); opacity: .55; }

/* Browser mock */
.browser { border-radius: 14px; overflow: hidden; border: 1px solid var(--border-strong); box-shadow: var(--shadow-panel); background: #0A1430; }
.browser-bar { display: flex; align-items: center; gap: 6px; padding: 11px 14px; background: #0E1A3C; border-bottom: 1px solid var(--border); }
.browser-bar span { width: 11px; height: 11px; border-radius: 50%; background: #2a3560; }
.browser-url { margin-left: 12px; font-family: var(--font-mono); font-size: 12px; color: var(--text-dim); background: #0A1430; border: 1px solid var(--border); border-radius: 6px; padding: 4px 12px; flex: 1; }
.store-shot { width: 100%; display: block; }

/* Hero morphing store + showcase wall */
.store-screen { aspect-ratio: 1600 / 893; position: relative; overflow: hidden; background: #0A1430; }
.store-screen img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; }
.store-screen .slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1s ease; }
.store-screen .slide.on { opacity: 1; }
.store-cap { display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--text-soft); background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 7px 15px; }
.store-cap .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--magenta); }

.wall { position: relative; overflow: hidden; }
.wall::before, .wall::after { content: ""; position: absolute; top: 0; bottom: 0; width: 90px; z-index: 2; pointer-events: none; }
.wall::before { left: 0; background: linear-gradient(90deg, var(--bg), rgba(10, 20, 48, 0)); }
.wall::after { right: 0; background: linear-gradient(270deg, var(--bg), rgba(10, 20, 48, 0)); }
.wall-track { display: flex; gap: 22px; width: max-content; animation: wallscroll 55s linear infinite; }
.wall:hover .wall-track { animation-play-state: paused; }
.wall-track .wcard { width: 400px; flex-shrink: 0; }
@keyframes wallscroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* Feature ticks */
.tick { display: flex; gap: 15px; align-items: flex-start; margin-bottom: 20px; }
.tick .ic { width: 36px; height: 36px; flex-shrink: 0; border-radius: 10px; background: var(--magenta-soft); border: 1px solid rgba(155, 134, 255, .26); display: flex; align-items: center; justify-content: center; color: var(--magenta); font-size: 14px; }
.tick strong { color: var(--text); font-weight: 600; }
.tick div { color: var(--text-soft); }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); }
.stat { text-align: center; padding: 36px 22px; border-right: 1px solid var(--border); }
.stat:last-child { border-right: none; }
.stat .n { font-size: 46px; font-weight: 700; line-height: 1; margin-bottom: 10px; color: var(--text); letter-spacing: -0.02em; }
.stat .n .gradient-text, .stat .n.gradient-text { font-weight: 700; }
.stat .l { font-size: 14px; color: var(--text-dim); }

/* Steps */
.steps-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step-card { padding: 34px; }
.step-num { width: 44px; height: 44px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border-strong); color: var(--magenta); display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 17px; margin-bottom: 22px; }
.step-card h4 { margin-bottom: 10px; }
.step-card p { color: var(--text-soft); font-size: 15px; }

/* Expert */
.expert { display: flex; gap: 18px; align-items: center; margin-bottom: 20px; }
.expert img { width: 74px; height: 74px; border-radius: 50%; object-fit: cover; border: 1px solid var(--border-strong); }

/* Why grid (value pillars) */
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; text-align: left; margin-top: 44px; }
.why-grid .ic-lg { width: 48px; height: 48px; border-radius: 13px; background: var(--magenta-soft); border: 1px solid rgba(155, 134, 255, .26); display: flex; align-items: center; justify-content: center; color: var(--magenta); font-size: 18px; margin-bottom: 20px; }
.why-grid h4 { margin-bottom: 10px; }
.why-grid p { color: var(--text-soft); font-size: 15px; }

/* Feature chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 18px; }
.chip { font-size: 13.5px; color: var(--text-soft); background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px; padding: 9px 16px; }
.chip i { color: var(--magenta); margin-right: 8px; font-size: 11px; }

/* Two-way deal */
.deal { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; text-align: left; margin-top: 40px; }
.deal .panel-pad h4 { color: #fff; display: flex; align-items: center; gap: 10px; }
.deal .panel-pad p { color: var(--text-soft); }
.deal .tagline { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--magenta); margin-bottom: 8px; opacity: .85; }

/* Logo strip */
.logo-strip { display: flex; justify-content: center; align-items: center; gap: 50px; flex-wrap: wrap; }
.logo-strip img { height: 28px; opacity: .6; transition: opacity .3s; }
.logo-strip img:hover { opacity: .95; }

/* FAQ */
.faq-item { border: 1px solid var(--border); border-radius: 14px; padding: 22px 26px; margin-bottom: 14px; background: var(--surface); transition: border .2s, background .2s; }
.faq-item:hover { border-color: var(--border-strong); }
.faq-q { display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 600; color: var(--text); font-size: 17px; }
.faq-q i { color: var(--magenta); transition: transform .2s; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease, margin .3s ease; color: var(--text-soft); }
.faq-item.open .faq-a { max-height: 340px; margin-top: 15px; }
.faq-item.open .faq-q i { transform: rotate(45deg); }

/* CTA band */
.cta-band { border-radius: 22px; padding: 70px 40px; text-align: center; position: relative; overflow: hidden; border: 1px solid var(--border-strong); background: linear-gradient(165deg, #13224C 0%, #0C1736 70%); }
.cta-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(560px 220px at 50% -10%, rgba(124, 102, 232, .22), transparent 70%); pointer-events: none; }

/* Footer */
footer { border-top: 1px solid var(--border); padding: 58px 0 34px; color: var(--text-dim); }
footer a { color: var(--text-soft); } footer a:hover { color: #fff; }
footer .logo img { filter: brightness(0) invert(1); height: 30px; opacity: .9; }

/* Trust line */
.trust-row { display: flex; gap: 10px; align-items: center; font-size: 13px; color: var(--text-dim); }
.trust-row i { color: var(--magenta); }

@media (max-width: 860px) {
  .grid { display: flex; flex-direction: column; }
  h1 { font-size: 38px; } h2 { font-size: 28px; }
  .steps-3, .deal, .why-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid var(--border); }
  .stat:last-child { border-bottom: none; }
  .header-inner { gap: 14px; }
}