/* ==========================================================
   Tech By Ray — shared stylesheet
   Theme: Waveform & Wire (Blue & White)
   ========================================================== */

:root{
  --bg: #FFFFFF;
  --surface: #F2F6FC;
  --surface-2: #E8EFF9;
  --line: #D7E1EF;

  --blue: #1E4FD8;        /* primary — buttons, circuit-trace, headline accents */
  --blue-hover: #3A6FE0;
  --blue-mid: #2F6FCE;    /* eyebrow labels, links */
  --blue-light: #8FB8ED;  /* decorative — soundwave stroke, secondary accents */

  --ink: #0F2340;
  --ink-muted: #5B6C85;

  --radius: 6px;
  --max-width: 1180px;
}

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

body{
  background: var(--bg);
  color: var(--ink);
  font-family: 'IBM Plex Sans', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display: block; }

h1, h2, h3{
  font-family: 'Fraunces', serif;
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.wrap{
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.eyebrow{
  color: var(--blue-mid);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 16px;
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.01em;
}

/* ---------- buttons ---------- */
.btn-primary{
  background: var(--blue);
  color: #FFFFFF;
  padding: 14px 26px;
  border-radius: 3px;
  font-weight: 500;
  font-size: 15px;
  display: inline-block;
  border: 1px solid var(--blue);
  cursor: pointer;
}
.btn-primary:hover{ background: var(--blue-hover); border-color: var(--blue-hover); }

.btn-ghost{
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 14px 26px;
  border-radius: 3px;
  font-size: 15px;
  display: inline-block;
  background: transparent;
  cursor: pointer;
}
.btn-ghost:hover{ border-color: var(--ink-muted); }

/* ---------- header / nav ---------- */
header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.logo{
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Fraunces', serif;
  font-size: 20px;
  font-weight: 600;
}
.navlinks{
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 15px;
  color: var(--ink-muted);
}
.navlinks a:hover{ color: var(--blue); }
.navlinks .current{ color: var(--blue); }

.has-dropdown{ position: relative; }
.dropdown{
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 180px;
  box-shadow: 0 8px 24px rgba(15,35,64,0.08);
  padding: 8px;
  display: none;
}
.has-dropdown:hover .dropdown{ display: block; }
.dropdown a{
  display: block;
  padding: 10px 12px;
  border-radius: 4px;
  font-size: 14px;
  color: var(--ink);
}
.dropdown a:hover{ background: var(--surface); color: var(--blue); }

.nav-cta{
  background: var(--blue);
  color: #fff;
  padding: 10px 20px;
  border-radius: 3px;
  font-weight: 500;
  font-size: 14px;
}
.nav-cta:hover{ background: var(--blue-hover); }

.nav-toggle{
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span{ width: 22px; height: 2px; background: var(--ink); display: block; }

@media (max-width: 860px){
  .navlinks{
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 8px 32px 20px;
  }
  .navlinks.open{ display: flex; }
  .navlinks a{ padding: 12px 0; width: 100%; }
  .has-dropdown .dropdown{
    position: static; display: block; box-shadow: none; border: none;
    padding: 0 0 0 12px; margin-top: 4px;
  }
  .nav-toggle{ display: flex; }
  .nav-cta{ display: none; }
}

/* ---------- page header banner (non-home pages) ---------- */
.page-banner{
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.page-banner h1{ font-size: clamp(30px, 4vw, 44px); margin-bottom: 14px; }
.page-banner p{ color: var(--ink-muted); font-size: 17px; max-width: 560px; }

/* ---------- hero (home) ---------- */
.hero{
  position: relative;
  overflow: hidden;
  padding: 100px 0 90px;
  border-bottom: 1px solid var(--line);
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.hero h1{ font-size: clamp(36px, 5vw, 58px); margin-bottom: 22px; }
.hero p.lead{ color: var(--ink-muted); font-size: 18px; max-width: 480px; margin-bottom: 34px; }
.hero-actions{ display: flex; gap: 16px; flex-wrap: wrap; }

.motif{ width: 100%; height: auto; }
.motif .wave{ stroke: var(--blue-light); stroke-width: 2.5; fill: none; }
.motif .trace{ stroke: var(--blue); stroke-width: 2.5; fill: none; }
.motif .node{ fill: var(--blue); }
.motif .node-t{ fill: var(--blue-light); }

@media (max-width: 760px){ .hero-grid{ grid-template-columns: 1fr; } }

/* ---------- services ---------- */
.services{ padding: 96px 0; border-bottom: 1px solid var(--line); }
.section-head{ max-width: 560px; margin-bottom: 52px; }
.section-head h2{ font-size: clamp(28px, 3.4vw, 38px); }

.service-list{ display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); }
.service-row{ display: grid; grid-template-columns: 60px 1fr; gap: 20px; padding: 32px 28px; border-bottom: 1px solid var(--line); }
.service-row:nth-child(odd){ border-right: 1px solid var(--line); }
.service-num{ font-family: 'IBM Plex Mono', monospace; color: var(--ink-muted); font-size: 13px; padding-top: 4px; }
.service-row h3{ font-size: 20px; font-weight: 500; margin-bottom: 8px; }
.service-row p{ color: var(--ink-muted); font-size: 15px; }

@media (max-width: 760px){
  .service-list{ grid-template-columns: 1fr; }
  .service-row:nth-child(odd){ border-right: none; }
}

/* ---------- about / signal strip ---------- */
.signal{ padding: 90px 0; border-bottom: 1px solid var(--line); background: var(--surface); }
.signal-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: start; }
.signal h2{ font-size: clamp(26px, 3vw, 34px); margin-bottom: 20px; }
.signal p{ color: var(--ink-muted); font-size: 16px; margin-bottom: 16px; max-width: 460px; }

.stat-block{ display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.stat{ border-left: 2px solid var(--blue); padding-left: 18px; }
.stat .num{ font-family: 'Fraunces', serif; font-size: 32px; font-weight: 600; display: block; }
.stat .label{ color: var(--ink-muted); font-size: 14px; }

@media (max-width: 760px){ .signal-grid{ grid-template-columns: 1fr; gap: 40px; } }

/* ---------- reviews ---------- */
.reviews-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review-card{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  background: var(--surface);
}
.review-stars{ color: var(--blue); font-size: 15px; margin-bottom: 14px; letter-spacing: 2px; }
.review-quote{ font-size: 16px; color: var(--ink); margin-bottom: 18px; }
.review-author{ font-size: 14px; color: var(--ink-muted); font-weight: 500; }
.review-note{
  margin-top: 40px; padding: 18px 22px; background: var(--surface-2);
  border-radius: var(--radius); font-size: 14px; color: var(--ink-muted);
}
@media (max-width: 900px){ .reviews-grid{ grid-template-columns: 1fr; } }

/* ---------- articles ---------- */
.articles-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.article-card{ border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.article-thumb{
  height: 140px; background: var(--surface-2);
  display: flex; align-items: center; justify-content: center;
}
.article-body{ padding: 24px; }
.article-tag{ font-size: 12px; color: var(--blue-mid); font-family: 'IBM Plex Mono', monospace; margin-bottom: 10px; }
.article-body h3{ font-size: 19px; margin-bottom: 10px; }
.article-body p{ color: var(--ink-muted); font-size: 15px; margin-bottom: 16px; }
.article-link{ font-size: 14px; color: var(--blue); font-weight: 500; }
@media (max-width: 900px){ .articles-grid{ grid-template-columns: 1fr; } }

/* ---------- forms ---------- */
.form-section{ padding: 90px 0; }
.form-grid{ display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; align-items: start; }
.form-grid h2{ font-size: clamp(26px, 3vw, 34px); margin-bottom: 18px; }
.form-grid p{ color: var(--ink-muted); font-size: 16px; margin-bottom: 14px; max-width: 420px; }

.info-list{ margin-top: 28px; }
.info-row{ display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 15px; max-width: 420px; }
.info-row .k{ color: var(--ink-muted); }
.info-row .v{ font-weight: 500; }

form.card-form{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
  background: var(--surface);
}
.field{ margin-bottom: 20px; }
.field label{ display: block; font-size: 14px; font-weight: 500; margin-bottom: 8px; color: var(--ink); }
.field input, .field select, .field textarea{
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: inherit;
  font-size: 15px;
  background: #fff;
  color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline: none; border-color: var(--blue);
}
.field textarea{ resize: vertical; min-height: 110px; }
.form-note{ font-size: 13px; color: var(--ink-muted); margin-top: 16px; }

@media (max-width: 800px){ .form-grid{ grid-template-columns: 1fr; } }

/* ---------- simple auth pages (portal / login) ---------- */
.auth-section{ padding: 90px 0; display: flex; justify-content: center; }
.auth-card{
  width: 100%; max-width: 420px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px;
  background: var(--surface);
}
.auth-card h1{ font-size: 26px; margin-bottom: 8px; }
.auth-card p.lead{ color: var(--ink-muted); font-size: 15px; margin-bottom: 28px; }
.auth-placeholder{
  margin-top: 24px; padding: 16px 18px; background: var(--surface-2);
  border-radius: 4px; font-size: 13px; color: var(--ink-muted);
}

/* ---------- contact (home) ---------- */
.contact{ padding: 96px 0; }
.contact-grid{ display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.contact h2{ font-size: clamp(28px, 3.4vw, 40px); margin-bottom: 18px; }
.contact p.lead{ color: var(--ink-muted); font-size: 17px; margin-bottom: 30px; max-width: 440px; }
.contact-card{ background: var(--surface); border: 1px solid var(--line); border-radius: 6px; padding: 36px; }
.contact-row{ display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.contact-row:last-child{ border-bottom: none; }
.contact-row .k{ color: var(--ink-muted); }
.contact-row .v{ font-weight: 500; }
@media (max-width: 760px){ .contact-grid{ grid-template-columns: 1fr; } }

/* ---------- newsletter strip ---------- */
.newsletter{ padding: 56px 0; border-top: 1px solid var(--line); background: var(--surface); text-align: center; }
.newsletter h3{ font-size: 22px; margin-bottom: 10px; }
.newsletter p{ color: var(--ink-muted); margin-bottom: 22px; }

/* ---------- footer ---------- */
footer{
  border-top: 1px solid var(--line);
  padding: 32px 0;
  color: var(--ink-muted);
  font-size: 14px;
}
.footer-inner{ display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-links{ display: flex; gap: 20px; }
.footer-links a:hover{ color: var(--blue); }