/* Ramprt marketing site — "fortification blueprint / data instrumentation".
   Requires tokens.css first. Manrope workhorse + IBM Plex Mono technical accent.
   Teal lives on dark grounds only (BRAND.md §3 contrast rule). */

body{background:var(--white);color:var(--charcoal);font-family:var(--font);line-height:1.5;
  -webkit-font-smoothing:antialiased}
a{color:inherit}
img,svg{display:block}
.container{max-width:1120px;margin:0 auto;padding:0 32px}

/* mono technical label, used for eyebrows / badges / data / section index */
.mono{font-family:var(--mono);font-weight:500;letter-spacing:.02em;font-variant-numeric:tabular-nums}
.eyebrow{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--slate)}
.muted{color:var(--slate)}

/* ───────── Buttons ───────── */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--font);font-weight:700;font-size:14px;
  border:1px solid transparent;border-radius:7px;cursor:pointer;padding:12px 20px;transition:.18s ease;
  white-space:nowrap;text-decoration:none;line-height:1}
.btn .arr{transition:transform .18s ease}
.btn:hover .arr{transform:translateX(3px)}
.btn-dark{background:var(--charcoal);color:var(--white)} .btn-dark:hover{background:#000}
.btn-teal{background:var(--teal);color:var(--charcoal)} .btn-teal:hover{filter:brightness(.94)}
.btn-ghost{background:transparent;color:var(--charcoal);border-color:var(--border)} .btn-ghost:hover{border-color:var(--charcoal)}
.btn-ghost-dark{background:transparent;color:var(--white);border-color:rgba(255,255,255,.26)}
.btn-ghost-dark:hover{border-color:var(--teal);color:var(--teal)}
.btn-lg{padding:15px 26px;font-size:15px}

/* ───────── Top nav ───────── */
.site-nav{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--border)}
.site-nav .inner{display:flex;align-items:center;justify-content:space-between;height:66px;
  max-width:1120px;margin:0 auto;padding:0 32px}
.nav-brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.nav-brand .glyph{width:26px;height:26px;flex:none}
.nav-brand .name{font-weight:800;font-size:19px;letter-spacing:-.03em;line-height:1;color:var(--charcoal)}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-family:var(--mono);font-size:13px;font-weight:500;letter-spacing:.01em;color:var(--slate);
  text-decoration:none;transition:.15s;position:relative}
.nav-links a:hover{color:var(--charcoal)}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;background:var(--charcoal);transition:right .2s ease}
.nav-links a:hover::after{right:0}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--charcoal);margin:4px 0;border-radius:2px}

/* ───────── Dark-ground atmosphere (hero / page-hero / footer / capture / paid card) ───────── */
.dark-ground{background:var(--charcoal);color:var(--white);position:relative;overflow:hidden}
.dark-ground::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--char-line) 1px,transparent 1px),linear-gradient(90deg,var(--char-line) 1px,transparent 1px);
  background-size:34px 34px;mask-image:radial-gradient(120% 100% at 80% 0%,#000 30%,transparent 78%)}
.dark-ground::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.45'/%3E%3C/svg%3E")}

/* ───────── Hero ───────── */
.hero{background:var(--charcoal);color:var(--white);position:relative;overflow:hidden}
.hero .container{position:relative;z-index:2;padding-top:84px;padding-bottom:128px}
.hero .kicker{font-family:var(--mono);font-size:12.5px;color:var(--teal);letter-spacing:.06em;margin-bottom:24px}
.hero .kicker .slash{opacity:.5}
.hero h1{font-weight:800;font-size:clamp(36px,6vw,68px);letter-spacing:-.035em;line-height:1.0;
  margin:0;max-width:16ch}
.hero h1 .mark{position:relative;white-space:nowrap}
.hero h1 .mark::after{content:"";position:absolute;left:-2px;right:-2px;bottom:.08em;height:.16em;
  background:var(--teal);z-index:-1;border-radius:2px}
.hero .sub{font-size:clamp(16px,1.7vw,19px);color:#BFBFBF;margin:26px 0 36px;max-width:52ch;line-height:1.6}
.hero .actions{display:flex;gap:13px;flex-wrap:wrap;align-items:center}
.hero .note{font-family:var(--mono);font-size:12.5px;color:var(--grey-mid);margin-top:24px;letter-spacing:.02em}

/* the signature: a full-width rampart skyline (bar-chart battlement) at the hero base */
.rampart{position:absolute;left:0;right:0;bottom:0;height:118px;z-index:1;display:flex;align-items:flex-end;gap:0;
  pointer-events:none}
.rampart .bar{flex:1;background:var(--char-1);border-right:1px solid var(--char-2);transform:scaleY(0);
  transform-origin:bottom;animation:grow .7s cubic-bezier(.2,.8,.2,1) forwards}
.rampart .bar.cap{background:linear-gradient(180deg,var(--teal),var(--teal));box-shadow:0 0 18px -2px rgba(71,255,206,.5)}
.rampart .bar i{display:block;height:3px;background:var(--teal)}
@keyframes grow{to{transform:scaleY(1)}}

/* ───────── Sections ───────── */
.section{padding:88px 0;position:relative}
.section.alt{background:var(--stone)}
.section.alt::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.6;
  background-image:linear-gradient(rgba(33,33,33,.025) 1px,transparent 1px);background-size:100% 30px}
.section .container{position:relative;z-index:1}
.section-head{max-width:64ch;margin-bottom:48px}
.kicker-row{display:flex;align-items:center;gap:14px;font-family:var(--mono);font-size:12px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--slate);margin-bottom:18px}
.kicker-row .idx{color:var(--charcoal);font-weight:600}
.kicker-row .rule{flex:0 0 28px;height:1px;background:var(--charcoal);opacity:.4}
.section-head h2{font-weight:800;font-size:clamp(28px,3.8vw,42px);letter-spacing:-.025em;line-height:1.05;margin:0}
.section-head p{font-size:16.5px;color:var(--slate);margin-top:16px;line-height:1.6;max-width:58ch}

/* thesis: spec-sheet rows rather than soft cards */
.thesis{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--white)}
.thesis .pt{padding:30px 28px;border-right:1px solid var(--border)}
.thesis .pt:last-child{border-right:0}
.thesis .pt .n{font-family:var(--mono);font-size:12px;color:var(--grey-mid);letter-spacing:.08em}
.thesis .pt h3{font-weight:800;font-size:18px;letter-spacing:-.01em;margin:18px 0 8px}
.thesis .pt p{font-size:14.5px;color:var(--slate);line-height:1.6}
.pt-glyph{width:34px;height:34px;margin-bottom:4px}

/* ───────── Suite funnel ───────── */
.funnel-note{display:flex;align-items:center;gap:16px;margin-bottom:26px;font-family:var(--mono);font-size:12px;
  letter-spacing:.06em;text-transform:uppercase;color:var(--slate)}
.funnel-note b{color:var(--charcoal);font-weight:600}
.funnel-note .arrow{flex:1;height:1px;background:var(--border);min-width:24px;position:relative}
.funnel-note .arrow::after{content:"";position:absolute;right:0;top:-3px;border:4px solid transparent;border-left-color:var(--border)}
.suite{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tool-card{background:var(--white);border:1px solid var(--border);border-radius:12px;padding:26px 24px 24px;
  display:flex;flex-direction:column;position:relative;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.tool-card::before{content:"";position:absolute;left:24px;right:24px;top:0;height:3px;background:var(--charcoal);
  border-radius:0 0 3px 3px;transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.tool-card:hover{transform:translateY(-4px);box-shadow:0 18px 38px -22px rgba(33,33,33,.5);border-color:var(--charcoal)}
.tool-card:hover::before{transform:scaleX(1)}
.tool-card.paid{background:var(--charcoal);color:var(--white);border-color:var(--charcoal);overflow:hidden}
.tool-card.paid::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--char-line) 1px,transparent 1px),linear-gradient(90deg,var(--char-line) 1px,transparent 1px);
  background-size:26px 26px;mask-image:radial-gradient(90% 80% at 90% 10%,#000,transparent 80%)}
.tool-card.paid>*{position:relative;z-index:1}
.tool-card.paid::before{background:var(--teal)}
.tool-icon{width:42px;height:42px;border-radius:9px;background:var(--charcoal);display:grid;place-items:center;margin-bottom:18px}
.tool-card.paid .tool-icon{background:rgba(255,255,255,.08);border:1px solid rgba(71,255,206,.3)}
.tool-icon svg{width:25px;height:25px}
.tool-card h3{font-weight:800;font-size:19px;letter-spacing:-.015em;margin-bottom:7px}
.tool-card .role{font-size:14px;line-height:1.55;color:var(--slate);flex:1;margin-bottom:20px}
.tool-card.paid .role{color:#BFBFBF}
.tool-card .action{margin-top:auto}
.tool-card .notify{display:flex;gap:7px}
.tool-card .notify input{flex:1;min-width:0}
.badge{position:absolute;top:20px;right:20px;font-family:var(--mono);font-size:10px;font-weight:600;letter-spacing:.1em;
  padding:4px 9px;border-radius:5px;text-transform:uppercase}
.badge.live{background:var(--teal);color:var(--charcoal)}
.badge.soon{background:transparent;color:var(--grey-mid);border:1px solid var(--border)}
.badge.paid{background:rgba(71,255,206,.14);color:var(--teal);border:1px solid rgba(71,255,206,.35)}

/* ───────── Inputs / forms ───────── */
.field-inline{display:flex;gap:8px;flex-wrap:wrap}
input.in,textarea.in{font-family:var(--font);font-size:14px;padding:12px 14px;border:1px solid var(--border);
  border-radius:7px;background:var(--white);color:var(--charcoal);width:100%}
.tool-card input.in,.tool-card.paid input.in{background:var(--stone);color:var(--charcoal);border-color:transparent}
input.in::placeholder,textarea.in::placeholder{color:var(--grey-mid)}
input.in:focus,textarea.in:focus{outline:none;border-color:var(--charcoal);box-shadow:0 0 0 3px rgba(33,33,33,.06)}
textarea.in{resize:vertical;min-height:150px;line-height:1.6}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.06em;
  text-transform:uppercase;margin-bottom:8px;color:var(--slate)}
.form-msg{font-size:13.5px;font-weight:600;margin-top:12px}
.form-msg.ok{color:var(--sage)}
.form-msg.err{color:var(--clay)}

/* ───────── Proof: a spec sheet ───────── */
.proof{border:1px solid var(--border);border-radius:12px;overflow:hidden;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr}
.proof .cell{padding:30px 28px;border-right:1px solid var(--border)}
.proof .cell:last-child{border-right:0}
.proof .cell.lead{background:var(--charcoal);color:var(--white);display:flex;flex-direction:column;justify-content:center}
.proof .cell.lead .eyebrow{color:var(--teal)}
.proof .cell.lead p{font-size:15px;color:#BFBFBF;line-height:1.55;margin-top:12px}
.proof .stat .n{font-family:var(--font);font-weight:800;font-size:38px;letter-spacing:-.03em;line-height:1}
.proof .stat .l{font-family:var(--mono);font-size:11px;color:var(--slate);letter-spacing:.06em;text-transform:uppercase;margin-top:10px}

/* ───────── Newsletter capture (dark) ───────── */
.capture-band{border-radius:14px;padding:48px 48px;display:flex;align-items:center;justify-content:space-between;
  gap:36px;flex-wrap:wrap}
.capture-band .eyebrow{color:var(--teal)}
.capture-band h2{font-weight:800;font-size:clamp(23px,3vw,30px);letter-spacing:-.025em;line-height:1.12;max-width:18ch;margin-top:12px}
.capture-band p{font-size:14.5px;color:#BFBFBF;margin-top:12px;max-width:42ch;line-height:1.6}
.capture-band form{display:flex;gap:8px;flex-wrap:wrap;min-width:300px;flex:1;max-width:430px}
.capture-band input.in{flex:1;min-width:180px;background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.16);color:var(--white)}
.capture-band input.in::placeholder{color:var(--grey-mid)}

/* ───────── Page hero (interior) ───────── */
.page-hero{background:var(--charcoal);color:var(--white);position:relative;overflow:hidden}
.page-hero .container{position:relative;z-index:2;padding:80px 32px 88px}
.page-hero .eyebrow{color:var(--teal)}
.page-hero h1{font-weight:800;font-size:clamp(32px,5vw,52px);letter-spacing:-.03em;line-height:1.04;margin:16px 0 0;max-width:18ch}
.page-hero .sub{font-size:17px;color:#BFBFBF;margin-top:20px;max-width:56ch;line-height:1.6}
.page-hero .rampart{height:64px}

/* prose */
.prose{max-width:70ch}
.prose h2{font-weight:800;font-size:25px;letter-spacing:-.02em;margin:38px 0 14px;position:relative;padding-left:20px}
.prose h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;background:var(--charcoal);border-radius:2px}
.prose h3{font-weight:800;font-size:18px;margin:30px 0 8px}
.prose p{font-size:16px;color:var(--slate);line-height:1.75;margin-bottom:16px}
.prose ul{margin:0 0 16px 0;padding-left:0;list-style:none}
.prose li{font-size:16px;color:var(--slate);line-height:1.7;padding-left:28px;position:relative;margin-bottom:12px}
.prose li::before{content:"";position:absolute;left:0;top:9px;width:11px;height:11px;background:var(--charcoal);
  clip-path:polygon(0 100%,0 40%,33% 40%,33% 0,66% 0,66% 55%,100% 55%,100% 100%)}
.prose strong{color:var(--charcoal)}
.prose a{color:var(--charcoal);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1.5px}

/* numbered steps */
.steps2{list-style:none;counter-reset:s;padding:0;max-width:64ch}
.steps2 li{counter-increment:s;position:relative;padding:0 0 26px 56px;font-size:15px;line-height:1.65;color:var(--slate)}
.steps2 li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:-4px;width:38px;height:38px;
  border-radius:9px;background:var(--charcoal);color:var(--white);font-family:var(--mono);font-weight:600;font-size:14px;
  display:grid;place-items:center}
.steps2 strong{color:var(--charcoal);display:block;margin-bottom:5px;font-size:16px}

/* two-col layout (contact) */
.two-col{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}

/* ───────── Footer ───────── */
.site-footer{background:var(--charcoal);color:#BFBFBF;position:relative;overflow:hidden;padding:64px 0 38px;margin-top:0}
.site-footer::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--char-line) 1px,transparent 1px),linear-gradient(90deg,var(--char-line) 1px,transparent 1px);
  background-size:34px 34px;mask-image:radial-gradient(120% 90% at 10% 0%,#000 30%,transparent 80%)}
.site-footer .container{position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:44px;margin-bottom:40px}
.site-footer .name{font-weight:800;font-size:19px;color:var(--white);letter-spacing:-.03em}
.site-footer .tag{font-size:13.5px;margin-top:12px;max-width:34ch;line-height:1.6}
.footer-col h4{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--teal);
  font-weight:500;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:#BFBFBF;text-decoration:none;margin-bottom:11px;transition:.15s}
.footer-col a:hover{color:var(--white)}
.footer-col .soon{font-family:var(--mono);color:var(--grey-mid);font-size:10px;font-weight:500;margin-left:6px;letter-spacing:.08em}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:26px;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-family:var(--mono);font-size:12px;color:var(--grey-mid);letter-spacing:.02em}
.footer-bottom .brand-mark{display:flex;align-items:center;gap:9px}
.footer-bottom .glyph{width:20px;height:20px}

/* ───────── Reveal anim ───────── */
.reveal{opacity:0;transform:translateY(14px);animation:rise .6s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes rise{to{opacity:1;transform:none}}
.d1{animation-delay:.07s}.d2{animation-delay:.14s}.d3{animation-delay:.21s}.d4{animation-delay:.28s}.d5{animation-delay:.35s}
@media(prefers-reduced-motion:reduce){
  .reveal,.rampart .bar{animation:none!important;opacity:1!important;transform:none!important}
}

/* ───────── Responsive ───────── */
@media(max-width:900px){
  .suite{grid-template-columns:1fr 1fr}
  .thesis{grid-template-columns:1fr}
  .thesis .pt{border-right:0;border-bottom:1px solid var(--border)}
  .thesis .pt:last-child{border-bottom:0}
  .proof{grid-template-columns:1fr 1fr}
  .proof .cell{border-bottom:1px solid var(--border)}
  .proof .cell.lead{grid-column:1 / -1}
  .footer-grid{grid-template-columns:1fr 1fr}
  .two-col{grid-template-columns:1fr;gap:36px}
}
@media(max-width:680px){
  .nav-links,.nav-cta .btn{display:none}
  .nav-toggle{display:block}
  .site-nav.open .nav-links{display:flex;position:absolute;top:66px;left:0;right:0;flex-direction:column;
    align-items:flex-start;gap:0;background:var(--white);border-bottom:1px solid var(--border);padding:8px 32px 16px}
  .site-nav.open .nav-links a{padding:13px 0;width:100%;border-bottom:1px solid var(--border)}
  .site-nav.open .nav-links a::after{display:none}
  .suite{grid-template-columns:1fr}
  .proof{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .capture-band{padding:32px 26px}
  .hero .container{padding-bottom:104px}
}