/* ============================================================
   OMNIDATA V5 — TRANSFORMATIVE SCREENS
   ============================================================ */

:root {
  --bg:    #06090a;
  --surf:  #0c1410;
  --acc:   #c8845a;
  --acc2:  #dfa070;
  --wh:    #f0ece4;
  --gr:    #3a4c44;
  --gr2:   #668078;
  --gr3:   #8ea09a;
  --rule:  rgba(240,236,228,0.055);
  --ra:    rgba(200,132,90,0.12);
  --rdb:   rgba(80,20,10,0.6);
  --rdb2:  rgba(180,70,40,0.25);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--wh); font-family: 'Inter', sans-serif; font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
h1,h2,h3 { font-family: 'Cormorant Garamond', serif; font-weight: 700; color: var(--wh); }
p { color: var(--gr2); }
a { color: inherit; text-decoration: none; }

.w    { max-width: 1100px; margin: 0 auto; padding: 0 48px; }
.w-sm { max-width: 820px;  margin: 0 auto; padding: 0 48px; }

.lbl {
  font-size: 10px; font-weight: 700; letter-spacing: 3.5px;
  text-transform: uppercase; color: var(--acc);
  display: flex; align-items: center; gap: 14px;
}
.lbl::before { content: ''; display: block; width: 24px; height: 1px; background: var(--acc); }
.lbl-center { justify-content: center; }
.lbl-center::before { display: none; }


/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 28px; border-radius: 100px;
  font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 600;
  letter-spacing: 0.3px; cursor: pointer; border: none;
  transition: all 0.22s; white-space: nowrap;
}
.btn-p { background: var(--acc); color: #1a0e08; }
.btn-p:hover { background: var(--acc2); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(200,132,90,0.28); }
.btn-g { background: transparent; color: var(--wh); border: 1px solid rgba(240,236,228,0.16); }
.btn-g:hover { background: rgba(240,236,228,0.05); border-color: rgba(240,236,228,0.3); transform: translateY(-2px); }
.btn-a { background: transparent; color: var(--acc); border: 1px solid var(--ra); }
.btn-a:hover { background: rgba(200,132,90,0.08); transform: translateY(-2px); }


/* ============================================================
   NAV
   ============================================================ */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 200; transition: background 0.4s, border-color 0.4s; border-bottom: 1px solid transparent; }
.nav.on { background: rgba(6,9,10,0.94); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); border-bottom-color: var(--rule); }
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; }
.logo-img { height: 38px; width: auto; display: block; }
.nav-links { display: flex; list-style: none; gap: 44px; }
.nav-links a { font-size: 12px; font-weight: 500; letter-spacing: 0.5px; color: var(--gr2); transition: color 0.2s; }
.nav-links a:hover, .nav-links a.on { color: var(--wh); }
.nav-act { display: flex; align-items: center; gap: 16px; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 20px; height: 1px; background: var(--wh); transition: all 0.3s; }
.mob-nav { display: none; flex-direction: column; background: rgba(6,9,10,0.97); border-bottom: 1px solid var(--rule); padding: 16px 0 32px; position: fixed; top: 72px; left: 0; right: 0; z-index: 199; }
.mob-nav.open { display: flex; }
.mob-nav a { padding: 13px 48px; font-size: 14px; font-weight: 500; color: var(--gr2); transition: color 0.2s; }
.mob-nav a:hover { color: var(--wh); }
.mob-div { height: 1px; background: var(--rule); margin: 12px 48px; }


/* ============================================================
   PROGRESS BAR + CURSOR
   ============================================================ */
#bar  { position: fixed; top: 0; left: 0; height: 1.5px; width: 0%; background: var(--acc); z-index: 1001; }
#glow { position: fixed; pointer-events: none; z-index: 0; width: 400px; height: 400px; border-radius: 50%; background: radial-gradient(circle, rgba(200,132,90,0.04) 0%, transparent 65%); transform: translate(-50%,-50%); will-change: transform; }


/* ============================================================
   SCREEN (fullscreen pinnable)
   ============================================================ */
.screen {
  height: 100vh; min-height: 600px; width: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  padding: 80px 48px;
}
.screen-dark { background: var(--bg); }
.screen-mid  { background: var(--surf); }


/* ============================================================
   HERO SCREEN — símbolo + wordmark
   ============================================================ */

/* Iluminación cinematográfica: spotlight bronce + viñeta */
#hero {
  background:
    radial-gradient(ellipse 72% 58% at 50% 38%, rgba(200,132,90,0.058) 0%, transparent 64%),
    radial-gradient(ellipse 130% 130% at 50% 50%, transparent 42%, rgba(3,5,6,0.58) 100%),
    var(--bg);
}

.sym-wrap {
  width: min(42vh, 42vw); height: min(42vh, 42vw);
  max-width: 380px; max-height: 380px;
  margin-bottom: 18px; flex-shrink: 0;
  position: relative; z-index: 2;
}
/* Doble glow: núcleo intenso + halo difuso */
.sym-svg {
  width: 100%; height: 100%;
  filter: drop-shadow(0 0 22px rgba(200,132,90,0.22)) drop-shadow(0 0 52px rgba(200,132,90,0.09));
}

/* Caption de fase — aparece durante la animación */
.hero-phase {
  font-family: 'Inter', sans-serif;
  font-size: 9px; font-weight: 500;
  letter-spacing: 4.5px; text-transform: uppercase;
  color: rgba(200,132,90,0.55);
  min-height: 20px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 10px;
  position: relative; z-index: 2;
}

/* OMNIDATA — Montserrat Light */
.hero-wm {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(48px, 10vw, 132px);
  font-weight: 300; color: var(--wh);
  letter-spacing: 0.18em; line-height: 1;
  margin-bottom: 10px;
  text-shadow: 0 0 80px rgba(240,236,228,0.07), 0 0 20px rgba(240,236,228,0.04);
  position: relative; z-index: 2;
}

/* REVENUE SYSTEMS — Montserrat Medium, bronce con glow */
.hero-sub {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(9px, 0.85vw, 13px);
  font-weight: 500; letter-spacing: 6px;
  text-transform: uppercase; color: var(--acc);
  text-shadow: 0 0 18px rgba(200,132,90,0.35);
  position: relative; z-index: 2;
}


/* ============================================================
   STATEMENT SCREEN — two-phrase transition
   ============================================================ */
.phrase-wrap {
  position: relative; width: 100%;
  height: clamp(120px, 18vw, 220px);
}
.phrase {
  position: absolute; width: 100%;
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(44px, 7.5vw, 96px);
  font-weight: 700; line-height: 1.05;
  text-align: center; color: var(--wh);
}
.phrase em  { font-style: italic; color: var(--acc); }
.phrase sub { font-size: 0.55em; vertical-align: baseline; color: var(--gr2); font-family: 'Inter', sans-serif; font-style: normal; display: block; margin-top: 12px; letter-spacing: 0.5px; font-weight: 400; }


/* ============================================================
   CASE SCREENS — métrica como protagonista
   ============================================================ */
.case-tag {
  font-size: 10px; font-weight: 700; letter-spacing: 3.5px;
  text-transform: uppercase; color: var(--gr2); margin-bottom: 32px; display: block;
}
.case-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(88px, 16vw, 200px);
  font-weight: 700; line-height: 1; color: var(--acc);
  display: block; margin-bottom: 8px;
}
.case-unit { font-size: clamp(14px, 2vw, 20px); color: var(--gr3); margin-bottom: 36px; display: block; }
.case-stmt {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(20px, 2.5vw, 32px);
  font-weight: 600; color: var(--wh);
  max-width: 640px; line-height: 1.2; margin: 0 auto 16px;
}
.case-note { font-size: 14px; color: var(--gr2); max-width: 540px; margin: 0 auto; line-height: 1.7; }


/* ============================================================
   ROS SCREEN — 5 steps assembling
   ============================================================ */
.ros-full {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 80px 48px;
  opacity: 0;
}
.ros-bg-n {
  position: absolute;
  font-family: 'Cormorant Garamond', serif;
  font-size: min(260px, 25vw); font-weight: 700;
  color: rgba(200,132,90,0.032); line-height: 1;
  bottom: -40px; right: -10px; pointer-events: none; user-select: none;
  transition: color 0.6s;
}
.ros-eyebrow { font-size: 10px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--acc); margin-bottom: 20px; opacity: 0.7; }
.ros-title { font-family: 'Cormorant Garamond', serif; font-size: clamp(52px, 7.5vw, 90px); font-weight: 700; color: var(--wh); line-height: 1.0; margin-bottom: 24px; }
.ros-desc  { font-size: clamp(14px, 1.5vw, 18px); color: var(--gr2); max-width: 520px; line-height: 1.75; }
.ros-badge { display: inline-block; margin-top: 20px; padding: 4px 14px; background: rgba(200,132,90,0.08); border: 1px solid var(--ra); border-radius: 100px; font-size: 10px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--acc); }


/* ============================================================
   PROGRESS INDICATORS
   ============================================================ */
.dots {
  position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 10px; align-items: center;
}
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--gr); transition: all 0.35s; }
.dot.on { background: var(--acc); width: 28px; border-radius: 5px; box-shadow: 0 0 10px rgba(200,132,90,0.45); }

/* Scroll cue */
.scue { position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; color: var(--gr); font-size: 9px; letter-spacing: 3px; text-transform: uppercase; }
.scue-line { width: 1px; height: 36px; background: linear-gradient(to bottom, var(--acc), transparent); animation: sl 2.2s ease-in-out infinite; }
@keyframes sl { 0%,100%{opacity:0.4} 50%{opacity:0.9} }


/* ============================================================
   NON-PINNED SECTIONS — editorial scroll
   ============================================================ */
.section { padding: 160px 0; }
.section-sm { padding: 100px 0; }
.bg-alt { background: var(--surf); }

/* Services */
.svc-row {
  display: flex; gap: 44px; align-items: flex-start;
  padding: 56px 0; border-bottom: 1px solid var(--rule); cursor: default;
}
.svc-row:first-of-type { border-top: 1px solid var(--rule); }
.svc-row:hover { opacity: 0.88; }
.svc-n { font-family: 'Cormorant Garamond', serif; font-size: 88px; font-weight: 700; color: rgba(200,132,90,0.08); line-height: 1; flex-shrink: 0; width: 96px; transition: color 0.3s; }
.svc-row:hover .svc-n { color: rgba(200,132,90,0.18); }
.svc-body { padding-top: 12px; }
.svc-tag  { font-size: 10px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--acc); margin-bottom: 10px; display: block; }
.svc-name { font-family: 'Cormorant Garamond', serif; font-size: clamp(34px, 4vw, 52px); font-weight: 700; color: var(--wh); line-height: 1.0; margin-bottom: 12px; }
.svc-desc { font-size: 16px; color: var(--gr2); margin-bottom: 28px; max-width: 520px; line-height: 1.75; }
.chk-row { display: flex; align-items: flex-start; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--rule); font-size: 14px; color: var(--gr3); line-height: 1.5; }
.chk-row:first-of-type { border-top: 1px solid var(--rule); }
.chk-row::before { content: '→'; color: var(--acc); flex-shrink: 0; font-size: 12px; margin-top: 1px; }
.result-box { margin-top: 24px; padding: 20px 24px; background: var(--rdb); border: 1px solid var(--rdb2); border-radius: 8px; font-size: 14px; color: var(--wh); line-height: 1.7; }

/* Filtro */
.filter-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.filter-head { font-size: 10px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; padding-bottom: 20px; border-bottom: 1px solid var(--rule); display: flex; align-items: center; gap: 10px; }
.fh-no  { color: rgba(200,80,50,0.65); }
.fh-yes { color: var(--acc); }
.fi { padding: 16px 0; border-bottom: 1px solid var(--rule); font-size: 14px; color: var(--gr2); display: flex; align-items: center; gap: 12px; transition: color 0.2s; }
.fi:hover { color: var(--wh); }
.fi-no::before  { content: '✗'; color: rgba(200,80,50,0.55); flex-shrink: 0; font-weight: 700; }
.fi-yes::before { content: '✓'; color: var(--acc); flex-shrink: 0; font-weight: 700; }

/* Fundador */
.founder-g { display: grid; grid-template-columns: 180px 1fr; gap: 72px; align-items: start; }
.founder-mark { width: 88px; height: 88px; border-radius: 50%; border: 1px solid var(--ra); display: flex; align-items: center; justify-content: center; font-family: 'Cormorant Garamond', serif; font-size: 26px; font-weight: 700; color: var(--acc); background: rgba(200,132,90,0.07); margin-bottom: 20px; }
.founder-lbl  { font-size: 10px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--gr); margin-bottom: 8px; }
.founder-name { font-family: 'Cormorant Garamond', serif; font-size: 44px; font-weight: 700; line-height: 1; }
.founder-role { font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--acc); margin-top: 8px; }
.founder-bio  { font-size: 16px; color: var(--gr2); line-height: 1.85; margin-top: 32px; }
.founder-stats { display: flex; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); margin: 40px 0; }
.fst { flex: 1; padding: 24px 0; border-right: 1px solid var(--rule); }
.fst:last-child  { border-right: none; padding-left: 28px; }
.fst:first-child { padding-right: 28px; }
.fst:not(:first-child):not(:last-child) { padding: 24px 28px; }
.fst-n { font-family: 'Cormorant Garamond', serif; font-size: 30px; font-weight: 700; color: var(--acc); line-height: 1; display: block; margin-bottom: 4px; }
.fst-l { font-size: 11px; color: var(--gr2); }
.founder-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 28px; }
.ftag { padding: 5px 14px; border: 1px solid var(--rule); border-radius: 100px; font-size: 11px; color: var(--gr2); }

/* Calculadora */
.calc-wrap { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--rule); border-radius: 10px; overflow: hidden; }
.calc-form { padding: 48px 44px; background: rgba(12,20,16,0.7); display: flex; flex-direction: column; gap: 24px; }
.calc-group { display: flex; flex-direction: column; gap: 8px; }
.clbl { font-size: 10px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--gr3); }
.cinput { background: rgba(240,236,228,0.03); border: 1px solid var(--rule); border-radius: 6px; padding: 14px 16px; font-family: 'Inter', sans-serif; font-size: 15px; color: var(--wh); transition: border-color 0.2s; width: 100%; }
.cinput:focus { outline: none; border-color: var(--ra); background: rgba(200,132,90,0.04); }
.cinput::placeholder { color: var(--gr); }
.calc-result { padding: 48px 44px; background: var(--bg); display: flex; align-items: center; justify-content: center; }
.cempty { text-align: center; }
.cempty i { font-size: 32px; color: rgba(200,132,90,0.12); margin-bottom: 16px; display: block; }
.cempty p { font-size: 13px; color: var(--gr); max-width: 200px; margin: 0 auto; line-height: 1.7; }
.cout { width: 100%; }
.cout-lbl { font-size: 10px; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; color: var(--gr); margin-bottom: 16px; }
.cout-row { display: flex; gap: 16px; margin-bottom: 28px; }
.cout-item { flex: 1; padding: 16px 0; border-bottom: 1px solid var(--rule); }
.cout-n   { font-family: 'Cormorant Garamond', serif; font-size: 22px; font-weight: 700; color: var(--acc); line-height: 1; display: block; margin-bottom: 4px; }
.cout-sub { font-size: 11px; color: var(--gr2); }
.copp { padding: 24px; background: var(--rdb); border: 1px solid var(--rdb2); border-radius: 8px; text-align: center; margin-bottom: 20px; }
.copp-lbl  { font-size: 12px; color: var(--gr2); margin-bottom: 8px; }
.copp-n    { font-family: 'Cormorant Garamond', serif; font-size: 36px; font-weight: 700; color: var(--acc); line-height: 1; display: block; margin-bottom: 8px; }
.copp-note { font-size: 11px; color: var(--gr); line-height: 1.6; }

/* CTA */
.cta-block { text-align: center; padding: 80px 0; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.cta-block h2 { font-size: clamp(40px, 6vw, 80px); margin-bottom: 20px; }
.cta-block p  { max-width: 440px; margin: 0 auto 48px; font-size: 16px; }
.cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Footer */
.footer { padding: 48px 0; border-top: 1px solid var(--rule); }
.footer-in { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.flogo { display: flex; align-items: center; }
.logo-img-ft { height: 52px; width: auto; display: block; }
.fcopy { font-size: 12px; color: var(--gr); }
.flinks { display: flex; gap: 32px; }
.flinks a { font-size: 12px; color: var(--gr2); transition: color 0.2s; }
.flinks a:hover { color: var(--acc); }

/* ============================================================
   LANG TOGGLE
   ============================================================ */
.lang-toggle { display: flex; align-items: center; gap: 2px; margin-right: 4px; }
.lang-btn {
  background: none; border: none; cursor: pointer;
  font-family: 'Inter', sans-serif;
  font-size: 11px; font-weight: 700; letter-spacing: 1.5px;
  color: var(--gr2); padding: 5px 7px; border-radius: 4px;
  transition: color 0.2s; line-height: 1;
}
.lang-btn:hover { color: var(--wh); }
.lang-btn.active { color: var(--acc); }
.lang-sep { color: var(--gr); font-size: 10px; user-select: none; }

/* ============================================================
   WHATSAPP FLOTANTE
   ============================================================ */
.wa-float {
  position: fixed; bottom: 28px; right: 28px;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25D366; color: #fff; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  box-shadow: 0 4px 20px rgba(37,211,102,0.38), 0 2px 8px rgba(0,0,0,0.28);
  z-index: 500; transition: transform 0.22s, box-shadow 0.22s;
}
.wa-float:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 30px rgba(37,211,102,0.50), 0 4px 12px rgba(0,0,0,0.28);
}
.wa-float:active { transform: scale(0.96); }

/* ============================================================
   SOLICITAR DIAGNÓSTICO — PULSO EN CTA PRINCIPAL
   ============================================================ */
@keyframes btn-pulse {
  0%,100% { box-shadow: 0 4px 18px rgba(200,132,90,0.18); }
  50%      { box-shadow: 0 4px 28px rgba(200,132,90,0.44), 0 0 0 7px rgba(200,132,90,0.07); }
}
.cta-block .btn-p { animation: btn-pulse 2.8s ease-in-out infinite; }
.cta-block .btn-p:hover { animation: none; box-shadow: 0 8px 32px rgba(200,132,90,0.42); }
.btn-p:hover { box-shadow: 0 8px 26px rgba(200,132,90,0.28); }

/* ============================================================
   SECCIÓN CONTACTO
   ============================================================ */
.contact-wrap { display: grid; grid-template-columns: 1.4fr 1fr; gap: 72px; align-items: start; }
.contact-form { display: flex; flex-direction: column; gap: 24px; }
.contact-row  { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.ctextarea    { resize: vertical; min-height: 120px; line-height: 1.6; }
.contact-note { font-size: 11px; color: var(--gr); text-align: center; margin-top: -8px; line-height: 1.6; }

.contact-side    { display: flex; flex-direction: column; gap: 0; padding-top: 4px; }
.contact-channel { display: flex; align-items: flex-start; gap: 18px; padding: 24px 0; border-bottom: 1px solid var(--rule); }
.contact-channel:first-child { padding-top: 0; }
.contact-ch-icon {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--ra); border: 1px solid rgba(200,132,90,0.18);
  display: flex; align-items: center; justify-content: center;
  color: var(--acc); font-size: 16px; flex-shrink: 0;
}
.contact-ch-lbl { font-size: 10px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--gr); margin-bottom: 5px; }
.contact-ch-val { font-size: 15px; color: var(--wh); transition: color 0.2s; }
.contact-ch-val:hover { color: var(--acc); }
.contact-tagline {
  margin-top: 28px; padding: 24px; border: 1px solid var(--rule);
  border-radius: 8px; background: rgba(200,132,90,0.03);
}
.contact-tagline p {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(20px, 2.2vw, 28px); font-weight: 600;
  line-height: 1.3; color: var(--wh);
}

/* Reveal */
.r { opacity: 0; }


/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .w, .w-sm { padding: 0 32px; }
}
@media (max-width: 768px) {
  .w, .w-sm { padding: 0 24px; }
  .screen { padding: 80px 24px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-act .btn-a { display: none; }
  .logo-img { height: 32px; }
  .logo-img-ft { height: 44px; }
  .sym-wrap   { width: min(54vw, 54vh); max-width: 300px; max-height: 300px; margin-bottom: 12px; }
  .hero-wm    { font-size: clamp(42px, 11vw, 72px); letter-spacing: 0.14em; }
  .hero-sub   { font-size: 9px; letter-spacing: 4px; }
  .hero-phase { font-size: 8px; letter-spacing: 3px; }
  .phrase   { font-size: clamp(36px, 9vw, 56px); }
  .phrase sub { font-size: 0.48em; }
  .section  { padding: 100px 0; }
  .filter-grid { grid-template-columns: 1fr; gap: 48px; }
  .founder-g { grid-template-columns: 1fr; gap: 32px; }
  .founder-stats { flex-direction: column; }
  .fst { border-right: none; border-bottom: 1px solid var(--rule); padding: 20px 0; }
  .fst:last-child { border-bottom: none; padding-left: 0; }
  .fst:first-child { padding-right: 0; }
  .fst:not(:first-child):not(:last-child) { padding: 20px 0; }
  .calc-wrap { grid-template-columns: 1fr; }
  .calc-form, .calc-result { padding: 32px 28px; }
  .contact-wrap { grid-template-columns: 1fr; gap: 48px; }
  .contact-row  { grid-template-columns: 1fr; gap: 20px; }
  .wa-float { bottom: 20px; right: 20px; width: 52px; height: 52px; font-size: 24px; }
  .footer-in { flex-direction: column; text-align: center; }
  .svc-row { flex-direction: column; gap: 16px; }
  .svc-n { font-size: 60px; width: auto; }
  .case-num  { font-size: clamp(72px, 14vw, 140px); }
  .case-unit { font-size: 16px; }
  .case-stmt { font-size: 20px; max-width: 100%; }
  .case-note { font-size: 15px; color: var(--gr3); }
  .ros-title { font-size: clamp(40px, 8vw, 64px); }
  .ros-desc  { font-size: 15px; line-height: 1.7; }
}