/* =========================================================================
   TUNCBA — Stylesheet
   Design language: schematic precision — telecommunications network
   diagrams and architectural floor plans share one drafting language.
   Brass  = Real Estate thread
   Signal = Communications thread
   ========================================================================= */

:root{
  /* ---- Color ---- */
  --navy:        #101E2E;
  --navy-deep:   #0A1520;
  --navy-soft:   #1C3149;
  --paper:       #F1F0E9;
  --paper-alt:   #E6E4D8;
  --brass:       #AD8A54;
  --brass-light: #CDAE7B;
  --signal:      #4C848D;
  --signal-light:#7FACB3;
  --ink:         #16202B;
  --ink-soft:    #57626C;
  --on-navy:     #C9D3DB;
  --on-navy-soft:#8CA0AC;
  --line:        #D3CFC0;
  --line-navy:   rgba(241,240,233,0.16);
  --white:       #FFFFFF;

  /* ---- Type ---- */
  --font-display: 'Frank Ruhl Libre', Georgia, serif;
  --font-body:    'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'IBM Plex Mono', 'SFMono-Regular', Menlo, monospace;

  /* ---- Layout ---- */
  --max: 1240px;
  --gutter: clamp(20px, 5vw, 64px);
  --ease: cubic-bezier(.4,0,.2,1);
}

/* ---------------------------------------------------------------------- */
/* Reset                                                                   */
/* ---------------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,h5,p,figure{margin:0;}
button{font:inherit;cursor:pointer;background:none;border:none;color:inherit;}
input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px;}
::selection{background:var(--brass);color:var(--navy-deep);}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:0.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.001ms !important;
  }
}

.skip-link{
  position:absolute;left:-999px;top:auto;
  background:var(--brass);color:var(--navy-deep);
  padding:12px 22px;z-index:999;
  font-family:var(--font-mono);font-size:.85rem;letter-spacing:.04em;
}
.skip-link:focus{left:20px;top:20px;}

/* ---------------------------------------------------------------------- */
/* Layout helpers                                                          */
/* ---------------------------------------------------------------------- */
.container{max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter);}
.section{padding-block:clamp(64px,9vw,120px);}
.section--alt{background:var(--paper-alt);}
.section--navy{background:var(--navy);color:var(--on-navy);}
.section--tight{padding-block:clamp(40px,6vw,72px);}

.section-head{max-width:660px;margin-bottom:clamp(40px,6vw,72px);}
.section-head--center{margin-inline:auto;text-align:center;}
.section-head--split{
  display:flex;justify-content:space-between;align-items:flex-end;gap:32px;max-width:none;
}
@media (max-width:760px){.section-head--split{flex-direction:column;align-items:flex-start;}}

.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--brass);
  display:inline-flex;align-items:center;gap:12px;
  margin-bottom:20px;
}
.eyebrow::before{content:'';width:22px;height:1px;background:var(--brass);flex-shrink:0;}
.eyebrow--on-navy{color:var(--brass-light);}
.eyebrow--on-navy::before{background:var(--brass-light);}
.eyebrow--signal{color:var(--signal);}
.eyebrow--signal::before{background:var(--signal);}

.section-title{
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(1.8rem,3.4vw,2.75rem);
  line-height:1.15;
  letter-spacing:-0.01em;
  color:var(--navy);
}
.section--navy .section-title{color:var(--paper);}
.section-intro{
  margin-top:18px;
  font-size:1.05rem;
  color:var(--ink-soft);
  max-width:56ch;
}
.section--navy .section-intro{color:var(--on-navy-soft);}

.text-link{
  font-family:var(--font-mono);font-size:.82rem;letter-spacing:.04em;
  display:inline-flex;align-items:center;gap:8px;
  border-bottom:1px solid currentColor;padding-bottom:3px;
  transition:gap .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
.text-link:hover{gap:12px;color:var(--brass);border-color:var(--brass);}

/* ---------------------------------------------------------------------- */
/* Buttons                                                                 */
/* ---------------------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 28px;
  font-family:var(--font-mono);
  font-size:.8rem;
  letter-spacing:.06em;
  text-transform:uppercase;
  border-radius:3px;
  border:1px solid transparent;
  transition:transform .3s var(--ease), background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
.btn--primary{background:var(--brass);color:var(--navy-deep);}
.btn--primary:hover{background:var(--brass-light);transform:translateY(-2px);}
.btn--ghost-light{border-color:var(--line-navy);color:var(--paper);}
.btn--ghost-light:hover{border-color:var(--brass-light);color:var(--brass-light);transform:translateY(-2px);}
.btn--outline{border-color:var(--navy);color:var(--navy);}
.btn--outline:hover{border-color:var(--brass);color:var(--brass);transform:translateY(-2px);}

/* ---------------------------------------------------------------------- */
/* Header / Nav                                                            */
/* ---------------------------------------------------------------------- */
.site-header{
  position:fixed;inset-inline:0;top:0;z-index:200;
  padding-block:24px;
  transition:padding .35s var(--ease), background .35s var(--ease), border-color .35s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  padding-block:14px;
  background:rgba(10,21,32,0.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-color:var(--line-navy);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;}
.nav__logo{
  font-family:var(--font-mono);
  font-size:1.05rem;
  letter-spacing:.1em;
  color:var(--paper);
  display:flex;align-items:center;gap:2px;
  flex-shrink:0;
}
.nav__logo span{color:var(--brass);}
.nav__links{display:flex;align-items:center;gap:clamp(18px,3vw,38px);}
.nav__link{
  font-family:var(--font-mono);
  font-size:.8rem;
  letter-spacing:.03em;
  color:var(--on-navy);
  position:relative;
  padding-block:4px;
  transition:color .3s var(--ease);
}
.nav__link::after{
  content:'';position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--brass-light);
  transition:right .3s var(--ease);
}
.nav__link:hover{color:var(--paper);}
.nav__link:hover::after{right:0;}
.nav__link.is-active{color:var(--brass-light);}
.nav__right{display:flex;align-items:center;gap:22px;}
.nav__toggle{display:none;flex-direction:column;gap:5px;padding:6px;z-index:210;}
.nav__toggle span{width:22px;height:1px;background:var(--paper);transition:transform .3s var(--ease),opacity .3s var(--ease);}
.nav__toggle.is-active span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav__toggle.is-active span:nth-child(2){opacity:0;}
.nav__toggle.is-active span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

@media (max-width:880px){
  .nav__links{
    position:fixed;inset:0;top:0;
    background:var(--navy-deep);
    flex-direction:column;
    justify-content:center;
    gap:30px;
    transform:translateX(100%);
    transition:transform .4s var(--ease);
  }
  .nav__links.is-open{transform:translateX(0);}
  .nav__link{font-size:1.2rem;}
  .nav__toggle{display:flex;}
  .nav__cta{display:none;}
}

/* ---------------------------------------------------------------------- */
/* Hero                                                                    */
/* ---------------------------------------------------------------------- */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  background:
    radial-gradient(ellipse 80% 60% at 88% 15%, rgba(76,132,141,0.18), transparent 60%),
    radial-gradient(ellipse 70% 50% at 6% 92%, rgba(173,138,84,0.14), transparent 60%),
    var(--navy);
  color:var(--paper);
  overflow:hidden;
  padding-top:130px;
  padding-bottom:0;
}
.hero__inner{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:40px;
  align-items:center;
}
.hero__content{max-width:640px;}
.hero__title{
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(2.5rem,5.4vw,4.4rem);
  line-height:1.08;
  letter-spacing:-0.01em;
  color:var(--paper);
  margin-bottom:26px;
}
.hero__title em{font-style:italic;color:var(--brass-light);}
.hero__sub{
  font-size:clamp(1rem,1.4vw,1.15rem);
  color:var(--on-navy);
  max-width:50ch;
  margin-bottom:38px;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:16px;}
.hero__graphic{position:relative;z-index:1;color:var(--brass-light);}
.hero__graphic svg{width:100%;height:auto;}

@media (max-width:980px){
  .hero__inner{grid-template-columns:1fr;}
  .hero__graphic{order:-1;max-width:300px;margin-inline:auto;opacity:.75;}
  .hero{padding-top:110px;}
}

/* Inner-page hero (About / Contact / Telecom / Real Estate) */
.hero--inner{min-height:auto;padding-top:150px;padding-bottom:80px;}
.hero--inner .hero__inner{align-items:center;}
.hero--inner .hero__content{max-width:680px;}

/* Simple hero (About / Contact — no illustration, quieter) */
.hero--simple{min-height:auto;padding-top:150px;padding-bottom:70px;}
.hero--simple .hero__inner{grid-template-columns:1fr;}
.hero--simple .hero__content{max-width:720px;}

/* Stat strip beneath homepage hero */
.stat-strip{position:relative;z-index:2;border-top:1px solid var(--line-navy);margin-top:clamp(48px,8vw,88px);}
.stat-strip__row{display:grid;grid-template-columns:repeat(4,1fr);}
.stat-strip__item{
  padding:22px 22px 30px 0;
  border-right:1px solid var(--line-navy);
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.09em;
  text-transform:uppercase;
  color:var(--on-navy-soft);
}
.stat-strip__item:last-child{border-right:none;}
.stat-strip__item b{display:block;color:var(--paper);font-size:.92rem;letter-spacing:.02em;margin-top:8px;font-weight:500;}
@media (max-width:780px){
  .stat-strip__row{grid-template-columns:repeat(2,1fr);row-gap:22px;}
  .stat-strip__item:nth-child(2n){border-right:none;}
}

/* ---------------------------------------------------------------------- */
/* Divisions grid (home)                                                   */
/* ---------------------------------------------------------------------- */
.divisions-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.division-card{
  background:var(--white);
  border:1px solid var(--line);
  padding:clamp(28px,4vw,44px);
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.division-card:hover{transform:translateY(-6px);border-color:var(--brass);box-shadow:0 26px 50px -28px rgba(16,30,46,0.28);}
.division-card__tag{font-family:var(--font-mono);font-size:.72rem;color:var(--signal);letter-spacing:.1em;text-transform:uppercase;}
.division-card--realestate .division-card__tag{color:var(--brass);}
.division-card__icon{width:50px;height:50px;margin-block:22px 18px;color:var(--navy);}
.division-card--comms .division-card__icon{color:var(--signal);}
.division-card--realestate .division-card__icon{color:var(--brass);}
.division-card__title{font-family:var(--font-display);font-size:1.6rem;color:var(--navy);margin-bottom:14px;}
.division-card__text{color:var(--ink-soft);margin-bottom:22px;}
.division-card__list{margin-bottom:26px;}
.division-card__list li{position:relative;padding-left:22px;margin-bottom:10px;color:var(--ink);font-size:.95rem;}
.division-card__list li::before{content:'';position:absolute;left:0;top:9px;width:10px;height:1px;background:var(--brass);}
.division-card--comms .division-card__list li::before{background:var(--signal);}
.division-card__link{
  font-family:var(--font-mono);font-size:.82rem;letter-spacing:.04em;color:var(--navy);
  display:inline-flex;align-items:center;gap:8px;
  border-bottom:1px solid var(--navy);padding-bottom:3px;
  transition:color .3s, border-color .3s, gap .3s;
}
.division-card__link:hover{color:var(--brass);border-color:var(--brass);gap:12px;}
@media (max-width:780px){.divisions-grid{grid-template-columns:1fr;}}

/* ---------------------------------------------------------------------- */
/* Values grid                                                             */
/* ---------------------------------------------------------------------- */
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;}
.value-card__num{font-family:var(--font-mono);color:var(--brass);font-size:.8rem;letter-spacing:.08em;margin-bottom:16px;display:block;}
.value-card__title{font-family:var(--font-display);font-size:1.4rem;color:var(--navy);margin-bottom:12px;}
.value-card__text{color:var(--ink-soft);font-size:.98rem;}
.section--navy .value-card__title{color:var(--paper);}
.section--navy .value-card__text{color:var(--on-navy-soft);}
@media (max-width:820px){.values-grid{grid-template-columns:1fr;gap:40px;}}

/* ---------------------------------------------------------------------- */
/* Process                                                                 */
/* ---------------------------------------------------------------------- */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.process__step{background:var(--paper);padding:34px 28px;}
.process__num{font-family:var(--font-mono);color:var(--brass);font-size:.85rem;}
.process__title{font-family:var(--font-display);font-size:1.25rem;color:var(--navy);margin:16px 0 10px;}
.process__text{color:var(--ink-soft);font-size:.92rem;}
@media (max-width:900px){.process{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.process{grid-template-columns:1fr;}}

/* ---------------------------------------------------------------------- */
/* Service grid (division pages)                                          */
/* ---------------------------------------------------------------------- */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.service-card{background:var(--paper);padding:34px 28px;}
.service-card__icon{width:36px;height:36px;color:var(--brass);margin-bottom:20px;}
.page-comms .service-card__icon{color:var(--signal);}
.service-card__title{font-family:var(--font-display);font-size:1.2rem;color:var(--navy);margin-bottom:10px;}
.service-card__text{font-size:.93rem;color:var(--ink-soft);}
@media (max-width:900px){.service-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:600px){.service-grid{grid-template-columns:1fr;}}

/* ---------------------------------------------------------------------- */
/* Synergy callout                                                         */
/* ---------------------------------------------------------------------- */
.synergy{
  display:flex;gap:26px;align-items:flex-start;
  border-left:3px solid var(--brass);
  background:var(--paper-alt);
  padding:32px 36px;
}
.page-comms .synergy{border-left-color:var(--signal);}
.synergy__icon{width:38px;height:38px;flex-shrink:0;color:var(--signal);}
.page-comms .synergy__icon{color:var(--brass);}
.synergy__title{font-family:var(--font-display);font-size:1.2rem;color:var(--navy);margin-bottom:8px;}
.synergy__text{color:var(--ink-soft);font-size:.96rem;max-width:64ch;}
.synergy__link{margin-top:14px;color:var(--signal);}
.page-comms .synergy__link{color:var(--brass);}
@media (max-width:640px){.synergy{flex-direction:column;}}

/* ---------------------------------------------------------------------- */
/* CTA band                                                                */
/* ---------------------------------------------------------------------- */
.cta-band{background:var(--navy);color:var(--paper);padding-block:clamp(56px,8vw,96px);text-align:center;position:relative;overflow:hidden;}
.cta-band__title{font-family:var(--font-display);font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:18px;}
.cta-band__text{color:var(--on-navy);max-width:48ch;margin-inline:auto;margin-bottom:34px;}
.cta-band__actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}

/* ---------------------------------------------------------------------- */
/* Footer                                                                  */
/* ---------------------------------------------------------------------- */
.site-footer{background:var(--navy-deep);color:var(--on-navy-soft);padding-top:clamp(56px,8vw,88px);}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:52px;border-bottom:1px solid var(--line-navy);}
.footer__brand{font-family:var(--font-mono);font-size:1.1rem;color:var(--paper);letter-spacing:.08em;margin-bottom:16px;display:block;}
.footer__brand span{color:var(--brass);}
.footer__blurb{font-size:.92rem;max-width:34ch;line-height:1.75;}
.footer__heading{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--paper);margin-bottom:18px;}
.footer__list li{margin-bottom:12px;font-size:.92rem;}
.footer__list a{transition:color .3s var(--ease);}
.footer__list a:hover{color:var(--brass-light);}
.footer__bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-block:26px;font-size:.78rem;font-family:var(--font-mono);color:var(--on-navy-soft);}
@media (max-width:880px){.footer__grid{grid-template-columns:1fr 1fr;}}
@media (max-width:560px){.footer__grid{grid-template-columns:1fr;}}

/* ---------------------------------------------------------------------- */
/* Forms (contact page)                                                    */
/* ---------------------------------------------------------------------- */
.contact-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:start;}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr;}}

.form{display:grid;gap:22px;}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.form__field{display:flex;flex-direction:column;gap:8px;}
.form__label{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.07em;text-transform:uppercase;color:var(--navy);}
.form__input,.form__select,.form__textarea{
  border:1px solid var(--line);
  background:var(--white);
  padding:14px 16px;
  border-radius:2px;
  font-size:.98rem;
  color:var(--ink);
  transition:border-color .3s var(--ease);
  width:100%;
}
.form__input:focus,.form__select:focus,.form__textarea:focus{border-color:var(--brass);}
.form__textarea{resize:vertical;min-height:150px;}
.form__submit{justify-self:start;margin-top:6px;}
.form__note{font-size:.82rem;color:var(--ink-soft);}
.form__success{
  display:none;border:1px solid var(--signal);background:rgba(76,132,141,.08);
  padding:28px 30px;color:var(--navy);
}
.form__success.is-visible{display:block;}
.form__success-title{font-family:var(--font-display);font-size:1.3rem;margin-bottom:8px;}
@media (max-width:640px){.form__row{grid-template-columns:1fr;}}

.contact-panel{background:var(--navy);color:var(--on-navy);padding:clamp(30px,4vw,44px);}
.contact-panel__item{padding-block:18px;border-bottom:1px solid var(--line-navy);}
.contact-panel__item:first-child{padding-top:0;}
.contact-panel__item:last-child{border-bottom:none;}
.contact-panel__label{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--brass-light);margin-bottom:8px;}
.contact-panel__value{font-size:1.05rem;color:var(--paper);}
.contact-panel__value a:hover{color:var(--brass-light);}
.contact-panel__value small{display:block;font-size:.82rem;color:var(--on-navy-soft);margin-top:4px;font-family:var(--font-mono);}

/* ---------------------------------------------------------------------- */
/* About page extras                                                      */
/* ---------------------------------------------------------------------- */
.lede{font-family:var(--font-display);font-size:clamp(1.3rem,2.4vw,1.7rem);line-height:1.5;color:var(--navy);max-width:44ch;}
.prose{max-width:64ch;color:var(--ink-soft);font-size:1.02rem;}
.prose + .prose{margin-top:18px;}
.split{display:grid;grid-template-columns:0.9fr 1.1fr;gap:56px;align-items:flex-start;}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:32px;}}

/* ---------------------------------------------------------------------- */
/* Reveal-on-scroll                                                        */
/* ---------------------------------------------------------------------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease), transform .8s var(--ease);}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* ---------------------------------------------------------------------- */
/* Hero SVG draw-in animation                                              */
/* ---------------------------------------------------------------------- */
.draw-path{stroke-dasharray:1400;stroke-dashoffset:1400;animation:draw 2.2s var(--ease) forwards;}
.draw-path--d1{animation-delay:.25s;}
.draw-path--d2{animation-delay:.55s;}
@keyframes draw{to{stroke-dashoffset:0;}}

.fade-in-node{opacity:0;animation:fadeInNode .7s ease forwards;}
.fade-in-node--d1{animation-delay:1.1s;}
.fade-in-node--d2{animation-delay:1.5s;}
.fade-in-node--d3{animation-delay:1.9s;}
@keyframes fadeInNode{to{opacity:1;}}

.pulse-ring{animation:pulseRing 3.2s var(--ease) infinite;}
.pulse-ring--d1{animation-delay:.6s;}
@keyframes pulseRing{
  0%{opacity:.55;}
  50%{opacity:.15;}
  100%{opacity:.55;}
}

@media (prefers-reduced-motion: reduce){
  .draw-path{stroke-dashoffset:0;animation:none;}
  .fade-in-node{opacity:1;animation:none;}
  .pulse-ring{animation:none;opacity:.35;}
}

/* ---------------------------------------------------------------------- */
/* Legal / policy pages                                                    */
/* ---------------------------------------------------------------------- */
.policy{max-width:74ch;}
.policy-meta{font-family:var(--font-mono);font-size:.82rem;color:var(--ink-soft);margin-bottom:44px;}
.policy-block{margin-bottom:40px;}
.policy-block:last-child{margin-bottom:0;}
.policy-heading{font-family:var(--font-display);font-size:1.35rem;color:var(--navy);margin-bottom:14px;}
.policy-block .prose{margin-bottom:14px;}
.policy-block .prose:last-child{margin-bottom:0;}
.policy-block ul{margin-top:14px;}
.policy-block ul li{position:relative;padding-left:20px;color:var(--ink-soft);font-size:1.02rem;margin-bottom:10px;}
.policy-block ul li::before{content:'';position:absolute;left:0;top:.6em;width:6px;height:1px;background:var(--brass);}

/* ---------------------------------------------------------------------- */
/* Ruler divider                                                          */
/* ---------------------------------------------------------------------- */
.ruler{
  height:14px;
  background-image:repeating-linear-gradient(to right, var(--line) 0 1px, transparent 1px 24px);
  background-position:center;
  opacity:.8;
}
.section--navy .ruler,.hero .ruler{background-image:repeating-linear-gradient(to right, var(--line-navy) 0 1px, transparent 1px 24px);}