/* =========================================================
   TOKENS
========================================================= */
:root{
  --navy: #0A1F44;
  --slate: #1E3A5F;
  --cyan: #00B4D8;
  --off-white: #F5F7FA;
  --charcoal: #1C1C1E;

  --navy-deep: #071730;
  --cyan-soft: rgba(0,180,216,0.14);
  --line-soft: rgba(245,247,250,0.14);

  --font-display: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --container: 1160px;
  --radius: 14px;
  --ease: cubic-bezier(.16,.8,.24,1);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--charcoal);
  background: var(--off-white);
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
h1,h2,h3{ font-family: var(--font-display); margin:0 0 .5em; line-height:1.15; }
p{ margin:0 0 1em; line-height:1.65; }

.skip-link{
  position:absolute; left:-999px; top:0; background:var(--cyan); color:var(--navy);
  padding:.75em 1.25em; z-index:1000; font-weight:600;
}
.skip-link:focus{ left:1em; top:1em; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; }
}

.section-inner, .nav-inner, .footer-inner{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: .9em;
  display:block;
}
.eyebrow-light{ color: var(--cyan); }

/* =========================================================
   NAV
========================================================= */
.nav{
  position: fixed; top:0; left:0; right:0; z-index: 500;
  background: rgba(10,31,68,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.nav.is-scrolled{ border-bottom-color: var(--line-soft); background: rgba(10,31,68,0.97); }
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  height: 72px;
}
.nav-logo{
  font-family: var(--font-display); font-weight:700; font-size:1.15rem; color:var(--off-white);
}
.nav-logo-dot{ color: var(--cyan); }
.nav-links{ display:flex; align-items:center; gap: 2rem; }
.nav-links a{
  font-size:.92rem; color: rgba(245,247,250,0.78); font-weight:500;
  position:relative; padding: 4px 0;
}
.nav-links a:not(.nav-cta)::after{
  content:''; position:absolute; left:0; right:100%; bottom:-4px; height:2px;
  background: var(--cyan); transition: right .25s var(--ease);
}
.nav-links a:not(.nav-cta):hover::after,
.nav-links a.is-active::after{ right:0; }
.nav-links a.is-active{ color: var(--off-white); }
.nav-cta{
  background: var(--cyan); color: var(--navy) !important; font-weight:600;
  padding: 9px 35px; border-radius: 999px; font-size:.88rem;
}
.nav-cta:hover{ background:#3fd0ec; }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:40px; height:40px; background:none; border:none; cursor:pointer;
}
.nav-toggle span{ width:22px; height:2px; background:var(--off-white); display:block; transition: transform .25s var(--ease), opacity .25s var(--ease); }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

.mobile-menu{
  display:none; flex-direction:column;
  background: var(--navy-deep);
  max-height:0; overflow:hidden; transition: max-height .3s var(--ease);
}
.mobile-menu.is-open{ max-height:320px; }
.mobile-menu a{
  color: var(--off-white); padding: 16px 24px; border-top:1px solid var(--line-soft);
  font-size:1rem;
}

@media (max-width: 860px){
  .nav-links{ display:none; }
  .nav-toggle{ display:flex; }
  .mobile-menu{ display:flex; }
}

/* =========================================================
   HERO
========================================================= */
.hero{
  position:relative;
  background: radial-gradient(circle at 82% 10%, #123563 0%, var(--navy) 45%, var(--navy-deep) 100%);
  color: var(--off-white);
  padding: 160px 0 96px;
  overflow:hidden;
}
.hero-bg{
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 30% 30%, black, transparent 70%);
  opacity:.5;
}
.hero-inner{
  position:relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items:center;
}
.hero h1{
  font-size: clamp(2.1rem, 4.2vw, 3.3rem);
  font-weight: 700;
  letter-spacing: -.01em;
}
.hero h1 .hl{ color: var(--cyan); }
.hero-sub{
  font-size:1.08rem; color: rgba(245,247,250,0.82); max-width: 46ch;
}
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; margin: 1.5em 0 2.6em; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  font-family: var(--font-body); font-weight:600; font-size: .96rem;
  padding: 14px 70px; border-radius: 999px; border: 1px solid transparent;
  cursor:pointer; transition: transform .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}
.btn-primary{ background: var(--cyan); color: var(--navy); }
.btn-primary:hover{ background:#3fd0ec; transform: translateY(-2px); }
.btn-ghost{ border-color: rgba(245,247,250,0.35); color: var(--off-white); }
.btn-ghost:hover{ border-color: var(--cyan); color: var(--cyan); }
.btn-full{ width:100%; }

.hero-proof-label{
  font-family: var(--font-mono); font-size:.74rem; letter-spacing:.08em; text-transform:uppercase;
  color: rgba(245,247,250,0.5); margin-bottom:.8em;
}
.tool-strip{
  list-style:none; margin:0; padding:0; display:flex; flex-wrap:wrap; gap: 10px;
}
.tool-strip li{
  font-family: var(--font-mono); font-size:.82rem; color: var(--off-white);
  border: 1px solid var(--line-soft); padding: 6px 12px; border-radius: 999px;
}

.hero-visual{ position:relative; }
.flow-diagram{ width:100%; height:auto; }
.flow-path{ stroke: rgba(0,180,216,0.35); stroke-width:1.5; fill:none; }
.flow-node rect, .flow-node circle{
  fill: var(--slate); stroke: rgba(0,180,216,0.5); stroke-width:1.2;
}
.flow-node--router circle{ fill: var(--cyan-soft); stroke: var(--cyan); stroke-width:1.6; }
.flow-node--done rect{ fill: var(--cyan); stroke:none; }
.flow-node--done text{ fill: var(--navy); font-weight:600; }
.flow-node text{
  font-family: var(--font-mono); font-size:11px; fill: var(--off-white);
}
.flow-node-sub{ font-size:9px; fill: rgba(245,247,250,0.6); }
.flow-dot{ fill: var(--cyan); opacity:.6; }
.flow-packet{ fill: var(--cyan); filter: drop-shadow(0 0 6px var(--cyan)); }
.hero-visual-caption{
  text-align:center; font-family: var(--font-mono); font-size:.8rem;
  color: rgba(245,247,250,0.5); margin-top: -8px;
}

@media (max-width: 900px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero{ padding-top: 128px; }
  .hero-visual{ max-width: 340px; margin: 0 auto; }
}

/* =========================================================
   SECTIONS (shared)
========================================================= */
.section{ padding: 108px 0; }
.section-dark{ background: var(--navy); color: var(--off-white); }
.section-dark h2{ color: var(--off-white); }
.section-light{ background: var(--off-white); color: var(--charcoal); }

.section h2{
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  max-width: 22ch;
}
.section-lede{
  max-width: 62ch; font-size: 1.06rem;
  color: inherit; opacity:.82;
}

/* =========================================================
   SERVICES
========================================================= */
.services-grid{
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 48px;
}
.service-card{
  background: var(--slate); border: 1px solid var(--line-soft);
  border-radius: var(--radius); padding: 30px 24px;
  transition: transform .25s var(--ease), border-color .25s var(--ease);
}
.service-card:hover{ transform: translateY(-4px); border-color: var(--cyan); }
.service-icon{ width:44px; height:44px; margin-bottom: 20px; }
.service-icon svg{
  width:100%; height:100%; fill:none; stroke: var(--cyan); stroke-width:1.6;
}
.service-card h3{ font-size:1.08rem; color: var(--off-white); }
.service-card p{ font-size:.93rem; color: rgba(245,247,250,0.78); }
.service-outcome{
  font-family: var(--font-mono); font-size:.8rem; color: var(--cyan);
  margin-bottom:0;
}

@media (max-width: 980px){ .services-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .services-grid{ grid-template-columns: 1fr; } }

/* =========================================================
   CASE STUDIES
========================================================= */
.case-list{ display:flex; flex-direction:column; gap:20px; margin-top: 44px; }
.case-card{
  background: #fff; border: 1px solid rgba(10,31,68,0.08);
  border-radius: var(--radius); padding: 32px;
  box-shadow: 0 1px 2px rgba(10,31,68,0.04);
}
.case-tag{
  display:inline-block; font-family: var(--font-mono); font-size:.75rem;
  letter-spacing:.05em; text-transform:uppercase; color: var(--slate);
  background: var(--cyan-soft); padding: 5px 12px; border-radius: 999px; margin-bottom: 14px;
}
.case-card h3{ font-size: 1.25rem; }
.case-compare{
  display:grid; grid-template-columns: 1fr auto 1fr; gap: 20px; align-items:center;
  margin: 18px 0 26px; padding: 20px 0; border-top: 1px solid rgba(10,31,68,0.08); border-bottom: 1px solid rgba(10,31,68,0.08);
}
.case-label{
  font-family: var(--font-mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase;
  color: var(--slate); opacity:.7; display:block; margin-bottom:6px;
}
.case-before p, .case-after p{ margin:0; font-size:.94rem; }
.case-arrow{ color: var(--cyan); font-size:1.4rem; font-weight:700; }
.case-stats{ display:flex; gap: 32px; flex-wrap:wrap; }
.case-stats strong{
  display:block; font-family: var(--font-display); font-size:1.5rem; color: var(--navy);
}
.case-stats span{
  font-family: var(--font-mono); font-size:.76rem; color: var(--slate); opacity:.75;
}

@media (max-width: 720px){
  .case-compare{ grid-template-columns: 1fr; }
  .case-arrow{ transform: rotate(90deg); justify-self:flex-start; }
}

/* =========================================================
   ABOUT
========================================================= */
.about-grid{
  display:grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items:center;
}
.about-photo img{
  border-radius: var(--radius);
  border: 1px solid var(--line-soft);
  filter: grayscale(.1);
}
.about-copy h2{ color: var(--off-white); }
.about-copy p{ color: rgba(245,247,250,0.82); }
.about-tools{ margin-top: 28px; }
.tools-label{
  font-family: var(--font-mono); font-size:.76rem; letter-spacing:.08em; text-transform:uppercase;
  color: var(--cyan); display:block; margin-bottom: 12px;
}
.tools-list{
  list-style:none; margin:0; padding:0; display:flex; flex-wrap:wrap; gap: 10px;
}
.tools-list li{
  font-family: var(--font-mono); font-size:.82rem; color: var(--off-white);
  border: 1px solid var(--line-soft); padding: 6px 12px; border-radius: 999px;
}

@media (max-width: 820px){
  .about-grid{ grid-template-columns: 1fr; }
  .about-photo{ max-width: 280px; margin: 0 auto; }
}

/* =========================================================
   CONTACT
========================================================= */
.contact-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 44px;
}
.contact-booking, .contact-form-wrap{
  background: #fff; border: 1px solid rgba(10,31,68,0.08);
  border-radius: var(--radius); padding: 28px;
}
.contact-booking h3, .contact-form-wrap h3{ font-size:1.1rem; }

.calendly-embed{ margin-top: 8px; }
.calendly-placeholder{
  border: 1px dashed rgba(10,31,68,0.25); border-radius: 10px;
  padding: 60px 20px; text-align:center; color: var(--slate);
  background: var(--cyan-soft);
}
.calendly-placeholder-sub{ font-size:.85rem; opacity:.75; margin:0; }

.contact-form{ display:flex; flex-direction:column; gap: 6px; margin-top: 8px; }
.contact-form label{
  font-family: var(--font-mono); font-size:.78rem; color: var(--slate); margin-top: 12px;
}
.contact-form input, .contact-form textarea{
  font-family: var(--font-body); font-size:.96rem;
  border: 1px solid rgba(10,31,68,0.18); border-radius: 8px;
  padding: 11px 13px; background: var(--off-white); color: var(--charcoal);
  resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus{
  outline: 2px solid var(--cyan); outline-offset: 1px; border-color: var(--cyan);
}
.contact-form button{ margin-top: 20px; }
.form-note{ font-size:.85rem; color: var(--slate); min-height: 1.2em; margin: 10px 0 0; }
.form-note.is-success{ color: #1a8a4a; }

.contact-direct{
  display:flex; flex-direction:column; gap:6px; margin-top: 22px;
  padding-top: 18px; border-top: 1px solid rgba(10,31,68,0.08);
  font-family: var(--font-mono); font-size:.88rem;
}
.contact-direct a:hover{ color: var(--cyan); }

@media (max-width: 820px){ .contact-grid{ grid-template-columns: 1fr; } }

/* =========================================================
   FOOTER
========================================================= */
.footer{ background: var(--navy-deep); color: rgba(245,247,250,0.6); padding: 28px 0; }
.footer-inner{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px;
  font-size:.85rem;
}
.footer-links{ display:flex; gap: 20px; }
.footer-links a:hover{ color: var(--cyan); }

/* =========================================================
   SCROLL REVEAL
========================================================= */
.reveal{
  opacity:0; transform: translateY(18px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.reveal.is-visible{ opacity:1; transform: none; }