/* GENERADO por build.mjs — no editar. Fuente: colors_and_type.css + ui_kits/website/kit.css */

/* =====================================================================
   SUMMIT LAB — Core Design Tokens (colors + type)
   Operational architecture firm for founder-led companies.
   Import this file anywhere you need the brand foundations.
   Fonts: native system stack — SF Pro (Apple) / Segoe UI (Windows) /
   Inter (Android·Linux, loaded from Google Fonts as the web fallback).
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ---------------------------------------------------------------------
   SELF-HOSTED BRAND TYPEFACE — San Francisco (SF Pro)
   The running UI face. Uploaded TTFs self-host what previously fell back
   to Inter. SFNS.ttf is the variable San Francisco face (covers 400–700);
   it answers to both 'SF Pro Display' and 'SF Pro Text' so the existing
   --font-sans stack resolves to the real brand font on every device.
   --------------------------------------------------------------------- */
:root {
  /* monospace — self-hosted SF Mono, falls back to native mono stack */
  --font-mono: 'SF Mono', ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace; /* @kind font */
  /* ---------- BRAND ---------- */
  --summit-mint:        #5DD9A8;  /* primary — CTAs, accents, highlights, stat numbers */
  --summit-mint-600:    #3BBE8C;  /* mint, darkened for text on white (AA on white) */
  --summit-mint-700:    #2BA074;  /* deepest mint — small text / icons on white */
  --summit-mint-soft:   #95E5C3;  /* soft mint — secondary highlight, on-dark accents */

  --summit-ink:         #2C4659;  /* primary dark slate — headings, dark cards */
  --summit-ink-800:     #152733;  /* deepest slate — hero base, pressed states */
  --summit-slate:       #576C7B;  /* mid slate — quote cards, muted dark surfaces */

  /* ---------- NEUTRALS / TEXT ---------- */
  --fg-1:               #2C4659;  /* primary text (= ink) */
  --fg-2:               #6B7282;  /* body / secondary text */
  --fg-3:               #8A93A0;  /* tertiary, captions, "CLIENTE IDEAL" labels */
  --fg-on-dark:         #FFFFFF;  /* text on ink/photo surfaces */
  --fg-on-dark-2:       #C4D0D8;  /* muted text on dark */

  --bg-0:               #FFFFFF;  /* base page / white cards */
  --bg-1:               #F3F4F6;  /* subtle off-white */
  --bg-2:               #E5E7EB;  /* light gray section background */
  --border:             #E2E6EB;  /* hairline borders / dividers */
  --border-strong:      #CDD5DD;

  /* ---------- PASTEL CARD TINTS (category accents) ---------- */
  --tint-blue:          #EBF0F5;  /* structure / business design */
  --tint-mint:          #E8F9F2;  /* growth / scale */
  --tint-purple:        #EDEAF8;  /* execution / projects */
  --tint-peach:         #FEF3E8;  /* brand / marketing */
  --tint-slate:         #D4E2ED;  /* process steps */

  /* category icon accents (line icons drawn in these) */
  --accent-blue:        #4D6FA8;
  --accent-green:       #2BA074;
  --accent-purple:      #7C6FC4;
  --accent-orange:      #D4854A;

  /* ---------- ELEVATION ---------- */
  --shadow-sm:  0 1px 2px rgba(33, 53, 63, 0.06);
  --shadow-md:  0 8px 24px rgba(33, 53, 63, 0.08);
  --shadow-lg:  0 24px 60px rgba(33, 53, 63, 0.12);
  --shadow-card: 0 18px 40px -12px rgba(33, 53, 63, 0.10);

  /* ---------- RADII ---------- */
  --r-sm:   8px;
  --r-md:   16px;   /* default card radius */
  --r-lg:   24px;   /* large feature cards */
  --r-xl:   32px;   /* hero / quote panels */
  --r-pill: 999px;  /* buttons, eyebrow chips */

  /* ---------- SPACING (8pt base) ---------- */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 24px; --sp-6: 32px; --sp-7: 48px; --sp-8: 64px;
  --sp-9: 96px; --sp-10: 128px;

  /* ---------- TYPE ---------- */
  /* Native system UI stack — matches the live site exactly.
     SF Pro on Apple, Segoe UI on Windows, Inter on Android/Linux. */
  --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Segoe UI', 'Helvetica Neue', 'Inter', Arial, sans-serif;
  --font-display: var(--font-sans); /* display & body share the system stack */

  --fw-regular: 400;  /* @kind font */
  --fw-medium:  500;  /* @kind font */
  --fw-semibold:600;  /* @kind font */
  --fw-bold:    700;  /* @kind font */

  /* type scale (fluid-ready px) */
  --t-display:  clamp(52px, 6vw, 80px);   /* @kind font */
  --t-h1:       clamp(40px, 4.5vw, 60px); /* @kind font */
  --t-h2:       32px;  /* @kind font */
  --t-h3:       24px;  /* @kind font */
  --t-h4:       20px;  /* @kind font */
  --t-lead:     22px;  /* @kind font */
  --t-body:     17px;  /* @kind font */
  --t-small:    15px;  /* @kind font */
  --t-eyebrow:  14px;  /* @kind font */
  --t-caption:  13px;  /* @kind font */

  --lh-tight:   1.04;  /* @kind font */
  --lh-snug:    1.18;  /* @kind font */
  --lh-normal:  1.55;  /* @kind font */
  --tracking-eyebrow: 0.22em;  /* @kind font */
}

/* ---------------------------------------------------------------------
   SEMANTIC TYPOGRAPHY CLASSES
   --------------------------------------------------------------------- */
.s-display {
  font-family: var(--font-display);
  font-size: var(--t-display);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
  color: var(--fg-1);
}
.s-h1 {
  font-family: var(--font-display);
  font-size: var(--t-h1);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
  color: var(--fg-1);
}
.s-h2 {
  font-size: var(--t-h2);
  font-weight: var(--fw-bold);
  line-height: var(--lh-snug);
  letter-spacing: -0.01em;
  color: var(--fg-1);
}
.s-h3 {
  font-size: var(--t-h3);
  font-weight: var(--fw-bold);
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--fg-1);
}
.s-lead {
  font-size: var(--t-lead);
  font-weight: var(--fw-regular);
  line-height: 1.4;
  color: var(--fg-2);
}
.s-body {
  font-size: var(--t-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--fg-2);
}
.s-eyebrow {
  font-size: var(--t-eyebrow);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--summit-mint-600);
}
.s-label {
  font-size: var(--t-caption);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.s-mint { color: var(--summit-mint-600); }
.s-ink  { color: var(--summit-ink); }

/* ---------------------------------------------------------------------
   CORE COMPONENT PRIMITIVES
   --------------------------------------------------------------------- */
.s-btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-sans);
  font-size: var(--t-body); font-weight: var(--fw-semibold);
  padding: 15px 28px; border-radius: var(--r-pill);
  border: none; cursor: pointer;
  background: var(--summit-mint); color: var(--summit-ink-800);
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.s-btn:hover { background: #4FCF9B; box-shadow: 0 10px 24px rgba(94,217,168,.35); }
.s-btn:active { transform: translateY(1px) scale(.99); }
.s-btn--ghost {
  background: transparent; color: var(--fg-1);
  border: 1.5px solid var(--border-strong);
}
.s-btn--ghost:hover { background: var(--bg-1); box-shadow: none; }
.s-btn--dark { background: var(--summit-ink); color: #fff; }
.s-btn--dark:hover { background: var(--summit-ink-800); box-shadow: var(--shadow-md); }

.s-card {
  background: var(--bg-0);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  padding: var(--sp-6);
}


/* Summit Lab — website UI kit styles (builds on ../../colors_and_type.css) */
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--fg-1);
  background: var(--bg-0);
  -webkit-font-smoothing: antialiased;
}
.sl-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}
section {
  scroll-margin-top: 84px;
}

/* ---------- eyebrow ---------- */
.sl-eyebrow {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--summit-mint-600);
}

/* ---------- buttons ---------- */
.sl-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  padding: 13px 24px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  background: var(--summit-mint);
  color: var(--summit-ink-800);
  transition:
    transform 0.15s ease,
    background 0.15s ease,
    box-shadow 0.15s ease;
}
.sl-btn:hover {
  background: #4fcf9b;
  box-shadow: 0 10px 24px rgba(94, 217, 168, 0.35);
}
.sl-btn:active {
  transform: translateY(1px) scale(0.99);
}
.sl-btn--dark {
  background: var(--summit-ink);
  color: #fff;
}
.sl-btn--dark:hover {
  background: var(--summit-ink-800);
  box-shadow: var(--shadow-md);
}
.sl-btn--ghost {
  background: transparent;
  color: var(--fg-1);
  border: 1.5px solid var(--border-strong);
}
.sl-btn--ghost:hover {
  background: var(--bg-1);
  box-shadow: none;
}

/* ---------- navbar ---------- */
.sl-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition:
    background 0.25s ease,
    box-shadow 0.25s ease;
}
.sl-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.sl-nav.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--border);
}
.sl-nav.onhero {
  background: transparent;
}
.sl-nav.solid {
  background: #2c3e50;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}
.sl-nav-logo {
  height: 30px;
}
.sl-nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
}
.sl-nav-link {
  font-size: 14.5px;
  font-weight: 500;
  cursor: pointer;
  transition:
    opacity 0.15s ease,
    color 0.15s ease;
  background: none;
  border: none;
  font-family: inherit;
}
.sl-nav-link:hover {
  color: var(--summit-mint-600);
}
.sl-hamb {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}
@media (max-width: 900px) {
  .sl-nav-links {
    display: none;
  }
  .sl-hamb {
    display: inline-flex;
  }
}

/* ---------- hero ---------- */
.sl-hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: radial-gradient(
    120% 85% at 50% 0%,
    #335463 0%,
    #244150 45%,
    #152733 100%
  );
}
.sl-hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.sl-hero-peaks {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 58%;
  opacity: 0.5;
}
.sl-hero-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(28, 50, 74, 0.52) 0%,
    rgba(26, 47, 70, 0.58) 52%,
    rgba(19, 37, 57, 0.8) 100%
  );
}
.sl-hero-content {
  position: relative;
  z-index: 2;
  padding: 130px 24px 90px;
  max-width: 900px;
}
.sl-hero h1 {
  font-size: clamp(40px, 6vw, 74px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.025em;
  color: #fff;
  margin: 22px 0 0;
}
.sl-hero h1 .mint {
  color: var(--summit-mint);
}
.sl-hero-cta {
  margin-top: 52px;
}

/* ---------- section frame ---------- */
.sl-sec {
  padding: 110px 0;
}
.sl-sec--gray {
  background: var(--bg-2);
}
.sl-shead {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 56px;
  align-items: start;
  margin-bottom: 56px;
}
.sl-shead-title {
  margin: 12px 0 0;
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.03;
  letter-spacing: -0.025em;
  color: var(--fg-1);
}
.sl-shead-lead {
  font-size: 18px;
  line-height: 1.5;
  color: var(--fg-2);
  padding-top: 10px;
}
.sl-shead-bar {
  width: 46px;
  height: 3px;
  background: var(--summit-mint);
  border-radius: 2px;
  margin-top: 22px;
}
@media (max-width: 820px) {
  .sl-shead {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* ---------- about feature cards (4-up) ---------- */
.sl-feat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.sl-feat {
  border-radius: var(--r-lg);
  padding: 28px 26px 30px;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease;
}
.sl-feat:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.sl-feat-ico {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.sl-feat h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--fg-1);
}
.sl-feat p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--fg-2);
}
@media (max-width: 980px) {
  .sl-feat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .sl-feat-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- services 2x2 ---------- */
.sl-serv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}
.sl-serv {
  border-radius: var(--r-lg);
  padding: 38px 38px 36px;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease;
}
.sl-serv:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.sl-serv-ico {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 30px;
}
.sl-serv h3 {
  margin: 0 0 6px;
  font-size: 26px;
  font-weight: 700;
  color: var(--fg-1);
}
.sl-serv-sub {
  color: var(--summit-mint-600);
  font-weight: 500;
  font-size: 15px;
  margin-bottom: 20px;
}
.sl-serv p {
  margin: 0;
  font-size: 15px;
  line-height: 1.55;
  color: var(--fg-2);
}
.sl-serv-hr {
  height: 1px;
  background: var(--border);
  margin: 26px 0 18px;
}
.sl-serv-lab {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 6px;
}
.sl-serv-ideal {
  color: var(--fg-1);
  font-size: 15px;
  font-weight: 500;
}
@media (max-width: 820px) {
  .sl-serv-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- method steps (5-up) ---------- */
.sl-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.sl-step {
  background: var(--tint-slate);
  border-radius: var(--r-md);
  padding: 24px 22px 26px;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease;
}
.sl-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.sl-step-n {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--summit-ink);
  opacity: 0.5;
}
.sl-step-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 18px 0 14px;
}
.sl-step-hd h4 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--fg-1);
}
.sl-step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--fg-2);
}
@media (max-width: 1000px) {
  .sl-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .sl-steps {
    grid-template-columns: 1fr;
  }
}

/* ---------- quote / manifesto bar ---------- */
.sl-quote {
  background: var(--summit-slate);
  border-radius: 28px;
  padding: 32px 50px;
  margin-top: 40px;
  font-style: italic;
  font-size: 18px;
  line-height: 1.55;
  color: #e4eaee;
}
.sl-quote .mint {
  color: var(--summit-mint);
  font-style: italic;
}

/* ---------- AI section ---------- */
.sl-ai {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(115deg, #152733 0%, #1c3a52 55%, #18324a 100%);
}
.sl-ai-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.sl-ai-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    108deg,
    rgba(22, 42, 64, 0.88) 0%,
    rgba(28, 52, 76, 0.6) 48%,
    rgba(23, 44, 68, 0.74) 100%
  );
}
.sl-ai-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}
.sl-ai-tile {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: var(--summit-mint);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 30px rgba(94, 217, 168, 0.35);
}
.sl-ai h2 {
  font-size: clamp(40px, 5.2vw, 64px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.025em;
  color: #fff;
  margin: 24px 0 0;
}
.sl-ai-glass {
  background: rgba(20, 38, 46, 0.55);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-lg);
  padding: 40px 42px;
}
.sl-ai-glass p {
  margin: 0 0 22px;
  font-size: 18px;
  line-height: 1.55;
  color: #e7edf0;
}
.sl-ai-glass .mint {
  color: var(--summit-mint);
  font-weight: 500;
}
@media (max-width: 880px) {
  .sl-ai-inner {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

/* ---------- why stat cards ---------- */
.sl-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.sl-stat {
  border-radius: var(--r-lg);
  padding: 32px 30px 34px;
  min-height: 250px;
  display: flex;
  flex-direction: column;
}
.sl-stat-num {
  font-size: 48px;
  font-weight: 700;
  color: var(--summit-mint);
  line-height: 1;
  letter-spacing: -0.02em;
}
.sl-stat h4 {
  margin: 16px 0 12px;
  font-size: 18px;
  font-weight: 700;
}
.sl-stat p {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
}
.sl-stat.dark {
  background: var(--summit-ink);
}
.sl-stat.dark h4 {
  color: #fff;
}
.sl-stat.dark p {
  color: var(--fg-on-dark-2);
}
.sl-stat.light {
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.sl-stat.light h4 {
  color: var(--fg-1);
}
.sl-stat.light p {
  color: var(--fg-2);
}
@media (max-width: 980px) {
  .sl-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 520px) {
  .sl-stats {
    grid-template-columns: 1fr;
  }
}

/* ---------- casos de éxito (client logo strip) ---------- */
.sl-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(24px, 3.5vw, 56px);
  flex-wrap: nowrap;
  margin-top: 72px;
}
.sl-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.62;
  filter: grayscale(1);
  transition:
    opacity 0.22s ease,
    filter 0.22s ease,
    transform 0.22s ease;
}
.sl-logo:hover {
  opacity: 1;
  filter: grayscale(0);
  transform: translateY(-3px);
}
.sl-logo-img {
  display: block;
  width: auto;
  object-fit: contain;
}
@media (max-width: 860px) {
  .sl-logos {
    flex-wrap: wrap;
    gap: 32px 44px;
  }
}

/* ---------- contacto ---------- */
.sl-contact {
  background: #2c3e50;
  color: #fff;
  padding: 110px 0;
}
.sl-contact .sl-shead-title {
  color: #fff;
}
.sl-contact .sl-shead-lead {
  color: var(--fg-on-dark-2);
}
.sl-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 58px;
  align-items: start;
}
@media (max-width: 880px) {
  .sl-contact-grid {
    grid-template-columns: 1fr;
    gap: 38px;
  }
}

.sl-cform .sl-field {
  margin-bottom: 22px;
}
.sl-cform label {
  display: block;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-on-dark-2);
  margin-bottom: 9px;
}
.sl-cform input,
.sl-cform textarea,
.sl-cform .sl-field input,
.sl-cform .sl-field textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 15px 17px;
  color: #fff;
  font-family: inherit;
  font-size: 15px;
  transition:
    border-color 0.15s ease,
    background 0.15s ease;
}
.sl-cform input::placeholder,
.sl-cform textarea::placeholder,
.sl-cform .sl-field input::placeholder,
.sl-cform .sl-field textarea::placeholder {
  color: rgba(255, 255, 255, 0.34);
}
.sl-cform input:focus,
.sl-cform textarea:focus,
.sl-cform .sl-field input:focus,
.sl-cform .sl-field textarea:focus {
  outline: none;
  border-color: var(--summit-mint);
  background: rgba(255, 255, 255, 0.06);
}
.sl-cform textarea {
  resize: vertical;
  min-height: 130px;
}
.sl-cform .sl-btn {
  width: 100%;
  justify-content: center;
  margin-top: 10px;
  padding: 16px;
  font-size: 16px;
}

.sl-cinfo {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 8px 24px;
}
.sl-cinfo-row {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 19px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
.sl-cinfo-row:last-child {
  border-bottom: none;
}
.sl-cinfo-ico {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--summit-mint);
  flex: none;
}
.sl-cinfo-row span {
  font-size: 15.5px;
  color: #e7edf0;
  transition: color 0.15s ease;
}
.sl-cinfo-row:hover span {
  color: #fff;
}
.sl-cinfo-row:hover .sl-cinfo-ico {
  background: rgba(94, 217, 168, 0.14);
}

.sl-cquote {
  margin-top: 22px;
  background: rgba(94, 217, 168, 0.08);
  border: 1px solid rgba(94, 217, 168, 0.18);
  border-radius: 20px;
  padding: 30px 34px;
}
.sl-cquote p {
  margin: 0 0 14px;
  font-style: italic;
  font-size: 17px;
  line-height: 1.5;
  color: #e7edf0;
}
.sl-cquote .by {
  color: var(--summit-mint);
  font-weight: 600;
  font-size: 14px;
}

.sl-csent {
  background: rgba(94, 217, 168, 0.06);
  border: 1px solid rgba(94, 217, 168, 0.16);
  border-radius: 20px;
  padding: 48px 40px;
  text-align: center;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.sl-csent-ico {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(94, 217, 168, 0.16);
  color: var(--summit-mint);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.sl-csent h3 {
  margin: 0 0 8px;
  font-size: 23px;
  font-weight: 700;
  color: #fff;
}
.sl-csent p {
  margin: 0;
  color: var(--fg-on-dark-2);
  font-size: 15px;
  line-height: 1.5;
  max-width: 340px;
}

/* ---------- blog list ---------- */
.sl-blog {
  padding: 150px 0 120px;
  background: var(--bg-0);
  min-height: 70vh;
}
.sl-blog-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: end;
  margin-bottom: 64px;
}
.sl-blog-h1 {
  margin: 14px 0 0;
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--fg-1);
}
.sl-blog-intro {
  font-size: 20px;
  line-height: 1.5;
  color: var(--fg-2);
  padding-bottom: 12px;
}
@media (max-width: 820px) {
  .sl-blog-head {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .sl-blog {
    padding: 120px 0 90px;
  }
}
.sl-blog-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.sl-post-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 30px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 44px 46px;
  cursor: pointer;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease;
}
.sl-post-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
  border-color: var(--border-strong);
}
.sl-post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--fg-3);
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.sl-post-cat {
  color: var(--summit-mint-600);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 12.5px;
}
.sl-post-dot {
  opacity: 0.5;
}
.sl-post-title {
  margin: 0 0 16px;
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--fg-1);
}
.sl-post-excerpt {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--fg-2);
  max-width: 780px;
}
.sl-post-arrow {
  flex: none;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--tint-mint);
  color: var(--summit-mint-700);
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background 0.18s ease,
    transform 0.18s ease;
}
.sl-post-card:hover .sl-post-arrow {
  background: var(--summit-mint);
  color: var(--summit-ink-800);
  transform: translate(3px, -3px);
}
@media (max-width: 640px) {
  .sl-post-card {
    padding: 32px 28px;
    flex-direction: column;
  }
}

/* ---------- blog article ---------- */
.sl-article {
  padding: 140px 0 110px;
  background: var(--bg-0);
}
.sl-article-wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 40px;
}
.sl-article-wrap > * {
  max-width: 760px;
}
.sl-article-back {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  color: var(--summit-mint-600);
  padding: 0;
}
.sl-article-back:hover {
  color: var(--summit-mint-700);
}
.sl-article-title {
  margin: 16px 0 0;
  font-size: clamp(38px, 5.4vw, 60px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--fg-1);
}
.sl-article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  font-size: 16px;
  color: var(--fg-3);
}
.sl-article-rule {
  height: 1px;
  background: var(--border);
  margin: 40px 0;
}
.sl-article-body h2 {
  font-size: 27px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg-1);
  margin: 52px 0 18px;
}
.sl-article-body p {
  font-size: 18px;
  line-height: 1.72;
  color: var(--fg-2);
  margin: 0 0 22px;
}
.sl-callout {
  background: var(--tint-mint);
  border-left: 3px solid var(--summit-mint);
  border-radius: 0 14px 14px 0;
  padding: 26px 30px;
  margin: 34px 0;
  font-size: 18px;
  line-height: 1.6;
  color: var(--fg-1);
  font-weight: 500;
}
.sl-callout-lab {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--summit-mint-700);
  margin-bottom: 10px;
}
.sl-article-table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0 34px;
  font-size: 15px;
}
.sl-table-scroll {
  overflow-x: auto;
}
.sl-table-scroll .sl-article-table {
  min-width: 560px;
}
.sl-article-table th {
  text-align: left;
  padding: 14px 16px;
  background: var(--bg-2);
  color: var(--fg-1);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom: 2px solid var(--border-strong);
}
.sl-article-table td {
  padding: 14px 16px;
  color: var(--fg-2);
  line-height: 1.45;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.sl-article-table td:first-child {
  font-weight: 600;
  color: var(--fg-1);
}
.sl-article-sources {
  margin-top: 48px;
  padding: 28px 30px;
  background: var(--bg-2);
  border-radius: var(--r-md);
}
.sl-article-sources h3 {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.sl-article-sources p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--fg-2);
}
.sl-article-foot {
  margin-top: 56px;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}

/* ---------- article figures (timeline + causal chain) ---------- */
.sl-fig {
  margin: 40px 0 44px;
}
.sl-fig-cap {
  font-size: 15px;
  font-weight: 600;
  color: var(--fg-1);
  text-align: center;
  margin-bottom: 26px;
  letter-spacing: -0.01em;
}
.sl-fig-scroll {
  overflow-x: auto;
  padding-bottom: 10px;
  margin: 0 -40px;
  padding-left: 40px;
  padding-right: 40px;
}
.sl-tl {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(150px, 1fr);
  gap: 14px;
  align-items: start;
  min-width: 900px;
}
.sl-tl-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sl-tl-year {
  color: #fff;
  font-weight: 700;
  font-size: 17px;
  text-align: center;
  padding: 13px 10px;
  border-radius: 12px;
  letter-spacing: 0.02em;
}
.sl-tl-card {
  color: #fff;
  font-size: 14px;
  line-height: 1.4;
  font-weight: 500;
  padding: 16px 16px;
  border-radius: 12px;
}
.sl-chain {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 900px;
}
.sl-chain-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: none;
  width: 168px;
}
.sl-chain-card {
  background: var(--summit-slate);
  color: #fff;
  font-size: 14px;
  line-height: 1.4;
  font-weight: 500;
  text-align: center;
  padding: 18px 16px;
  border-radius: 12px;
}
.sl-chain-arrow {
  flex: none;
  color: var(--fg-3);
  display: flex;
  align-items: center;
}
@media (max-width: 720px) {
  .sl-article {
    padding: 110px 0 80px;
  }
  .sl-article-wrap {
    padding: 0 22px;
  }
  .sl-article-body p {
    font-size: 16.5px;
    line-height: 1.68;
  }
  .sl-article-body h2 {
    font-size: 23px;
    margin: 42px 0 16px;
  }
  .sl-callout {
    padding: 22px 22px;
    font-size: 16.5px;
  }
  .sl-fig-scroll {
    margin: 0 -22px;
    padding-left: 22px;
    padding-right: 22px;
  }
  .sl-article-table {
    font-size: 13.5px;
  }
  .sl-article-table th,
  .sl-article-table td {
    padding: 11px 12px;
  }
  .sl-article-sources {
    padding: 22px 22px;
  }
}

/* ---------- footer ---------- */
.sl-footer {
  background: var(--summit-ink-800);
  color: #fff;
  padding: 70px 0 40px;
}
.sl-footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  flex-wrap: wrap;
}
.sl-footer-logo {
  height: 32px;
}
.sl-footer-tag {
  color: var(--fg-on-dark-2);
  max-width: 320px;
  margin-top: 18px;
  line-height: 1.55;
  font-size: 14px;
}
.sl-footer-cols {
  display: flex;
  gap: 64px;
  flex-wrap: wrap;
}
.sl-footer-col h5 {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--summit-mint);
}
.sl-footer-col a {
  display: block;
  color: var(--fg-on-dark-2);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 10px;
  cursor: pointer;
}
.sl-footer-col a:hover {
  color: #fff;
}
.sl-footer-bot {
  margin-top: 50px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  color: var(--fg-on-dark-2);
  font-size: 13px;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- mobile menu drawer ---------- */
.sl-drawer {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(28, 45, 55, 0.96);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 26px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.sl-drawer.open {
  opacity: 1;
  pointer-events: auto;
}
.sl-drawer button {
  background: none;
  border: none;
  color: #fff;
  font-size: 26px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}
.sl-drawer button:hover {
  color: var(--summit-mint);
}
.sl-drawer-close {
  position: absolute;
  top: 26px;
  right: 30px;
}

/* ---------- contact modal ---------- */
.sl-modal-bg {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: rgba(28, 45, 55, 0.55);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.sl-modal-bg.open {
  opacity: 1;
  pointer-events: auto;
}
.sl-modal {
  background: #fff;
  border-radius: var(--r-xl);
  padding: 44px 44px 40px;
  width: 100%;
  max-width: 460px;
  box-shadow: var(--shadow-lg);
  transform: translateY(10px);
  transition: transform 0.2s ease;
}
.sl-modal-bg.open .sl-modal {
  transform: translateY(0);
}
.sl-modal h3 {
  margin: 14px 0 6px;
  font-size: 24px;
  font-weight: 700;
}
.sl-modal p {
  margin: 0 0 24px;
  color: var(--fg-2);
  font-size: 15px;
  line-height: 1.5;
}
.sl-field {
  margin-bottom: 16px;
}
.sl-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-2);
  margin-bottom: 6px;
}
.sl-field input,
.sl-field textarea {
  width: 100%;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--r-sm);
  padding: 12px 14px;
  font-family: inherit;
  font-size: 14px;
  color: #e7edf0;
  transition: border-color 0.15s ease;
}
.sl-field input:focus,
.sl-field textarea:focus {
  outline: none;
  border-color: var(--summit-mint);
}
.sl-modal-x {
  position: absolute;
}
.sl-success {
  text-align: center;
  padding: 16px 0;
}
.sl-success-ico {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--tint-mint);
  color: var(--summit-mint-700);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}