/* ================================================
   BIDCON — Shared Stylesheet v2
   BID Consulting & Partners | bidcon.org
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;0,900;1,400;1,600&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&display=swap');

/* ── TOKENS ── */
:root {
  --onyx:    #1A1F2E;
  --platinum:#A89F8C;
  --ivory:   #F4F1EA;
  --white:   #FFFFFF;
  --plat-20: rgba(168,159,140,0.2);
  --plat-10: rgba(168,159,140,0.1);
  --ff-display: 'Playfair Display', Georgia, serif;
  --ff-body:    'DM Sans', system-ui, sans-serif;
  --nav-h: 76px;
  --max-w: 1160px;
  --section-v: 96px;
  --radius: 2px;
  --ease: cubic-bezier(0.4,0,0.2,1);
  /* readable text */
  --text-dark:      #1A1F2E;
  --text-mid:       rgba(26,31,46,0.72);
  --text-light:     rgba(26,31,46,0.50);
  --text-ivory:     #F4F1EA;
  --text-ivory-mid: rgba(244,241,234,0.84);
  --text-ivory-soft:rgba(244,241,234,0.60);
  --text-plat:      #A89F8C;
}

/* ── RESET ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--ff-body);font-size:16px;line-height:1.7;color:var(--text-dark);background:var(--ivory)}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:var(--ff-body);cursor:pointer;border:none;background:none}
input,textarea,select{font-family:var(--ff-body);font-size:15px;outline:none}

/* ── LAYOUT ── */
.container{max-width:var(--max-w);margin:0 auto;padding:0 48px}
.section{padding:var(--section-v) 0}
.section--dark{background:var(--onyx);color:var(--text-ivory)}
.section--ivory{background:var(--ivory)}
.section--white{background:var(--white)}

/* ── TYPOGRAPHY ── */
h1,h2,h3,h4{font-family:var(--ff-display);line-height:1.18;letter-spacing:-0.02em}
h1{font-size:clamp(40px,5.5vw,68px);font-weight:700}
h2{font-size:clamp(30px,3.8vw,48px);font-weight:700}
h3{font-size:clamp(22px,2.5vw,30px);font-weight:600}
h4{font-size:19px;font-weight:600}
p{font-size:16px;line-height:1.85}
.overline{font-family:var(--ff-body);font-size:11px;font-weight:600;letter-spacing:0.2em;text-transform:uppercase;color:var(--platinum);display:block;margin-bottom:18px}
.lead{font-size:clamp(17px,2vw,20px);line-height:1.78;font-weight:400;max-width:680px;color:var(--text-mid)}
.lead--light{color:var(--text-ivory-mid)}

/* ── BUTTONS ── */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 32px;font-size:12px;font-weight:600;letter-spacing:0.1em;text-transform:uppercase;border-radius:var(--radius);transition:all 0.25s var(--ease);white-space:nowrap}
.btn-primary{background:var(--onyx);color:var(--ivory);border:1.5px solid var(--onyx)}
.btn-primary:hover{background:transparent;color:var(--onyx)}
.btn-primary--light{background:var(--ivory);color:var(--onyx);border:1.5px solid var(--ivory)}
.btn-primary--light:hover{background:transparent;color:var(--ivory)}
.btn-outline{background:transparent;color:var(--onyx);border:1.5px solid var(--onyx)}
.btn-outline:hover{background:var(--onyx);color:var(--ivory)}
.btn-outline--light{background:transparent;color:var(--ivory);border:1.5px solid rgba(244,241,234,0.45)}
.btn-outline--light:hover{background:var(--ivory);color:var(--onyx);border-color:var(--ivory)}
.btn svg{width:14px;height:14px;flex-shrink:0}

/* ── DIVIDER ── */
.divider{width:40px;height:1px;background:var(--platinum);margin:24px 0}
.divider--full{width:100%;margin:48px 0;background:var(--plat-20)}

/* ── LOGO (dual light/dark) ── */
.nav__logo-img{height:38px;width:auto;display:block}
.nav__logo-img--light{display:none}
.nav--dark .nav__logo-img--dark{display:none}
.nav--dark .nav__logo-img--light{display:block}

/* ── NAVIGATION ── */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;height:var(--nav-h);display:flex;align-items:center;background:rgba(244,241,234,0.96);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--plat-20);transition:all 0.3s var(--ease)}
.nav.scrolled{box-shadow:0 2px 24px rgba(26,31,46,0.09)}
.nav--dark{background:rgba(26,31,46,0.97);border-bottom-color:rgba(168,159,140,0.12)}
.nav__inner{max-width:var(--max-w);margin:0 auto;padding:0 48px;width:100%;display:flex;align-items:center;justify-content:space-between}
.nav__logo{display:flex;align-items:center;flex-shrink:0}
.nav__links{display:flex;align-items:center;gap:4px}
.nav__link{font-size:11px;font-weight:600;letter-spacing:0.1em;text-transform:uppercase;color:var(--onyx);padding:8px 14px;border-radius:var(--radius);transition:color 0.2s}
.nav--dark .nav__link{color:var(--ivory)}
.nav__link:hover,.nav__link.active{color:var(--platinum)}
/* Dropdown */
.nav__dropdown{position:relative}
.nav__dropdown-menu{position:absolute;top:calc(100% + 10px);left:0;background:var(--white);border:1px solid var(--plat-20);border-radius:4px;min-width:230px;padding:8px 0;opacity:0;visibility:hidden;transform:translateY(-8px);transition:all 0.2s var(--ease);box-shadow:0 8px 32px rgba(26,31,46,0.12)}
.nav__dropdown:hover .nav__dropdown-menu,.nav__dropdown:focus-within .nav__dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.nav__dropdown-item{display:block;padding:11px 20px;font-size:11px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;color:var(--onyx);transition:background 0.15s}
.nav__dropdown-item:hover{background:var(--ivory);color:var(--platinum)}
.nav__cta{margin-left:12px}
/* Hamburger */
.nav__hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav__hamburger span{display:block;width:22px;height:1.5px;background:var(--onyx);transition:all 0.3s}
.nav--dark .nav__hamburger span{background:var(--ivory)}
/* Mobile nav */
.nav__mobile{display:none;position:fixed;top:var(--nav-h);left:0;right:0;background:var(--white);border-bottom:1px solid var(--plat-20);padding:20px 48px 32px;z-index:99;flex-direction:column;gap:2px}
.nav__mobile.open{display:flex}
.nav__mobile-link{font-size:12px;font-weight:600;letter-spacing:0.1em;text-transform:uppercase;color:var(--onyx);padding:13px 0;border-bottom:1px solid var(--plat-10)}
.nav__mobile-link:last-child{border-bottom:none}
.nav__mobile-link--sub{padding-left:16px;color:var(--platinum);font-size:11px}

/* ── HERO ── */
.hero{min-height:100vh;display:flex;align-items:center;padding-top:var(--nav-h);background:var(--onyx);color:var(--text-ivory);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 70% 60% at 80% 50%,rgba(168,159,140,0.07) 0%,transparent 70%);pointer-events:none}
.hero__grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(168,159,140,0.035) 1px,transparent 1px),linear-gradient(90deg,rgba(168,159,140,0.035) 1px,transparent 1px);background-size:80px 80px;pointer-events:none}
.hero__inner{max-width:var(--max-w);margin:0 auto;padding:80px 48px;position:relative;z-index:1}
.hero__eyebrow{display:flex;align-items:center;gap:16px;margin-bottom:32px}
.hero__eyebrow-line{width:32px;height:1px;background:var(--platinum);flex-shrink:0}
.hero__title{max-width:820px;margin-bottom:24px;color:var(--ivory)}
.hero__title em{font-style:italic;color:var(--platinum)}
.hero__sub{max-width:580px;margin-bottom:44px;font-size:18px;line-height:1.75;color:var(--text-ivory-mid);font-weight:400}
.hero__actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.hero__anchor{font-size:11px;color:rgba(168,159,140,0.6);letter-spacing:0.12em;text-transform:uppercase;margin-top:20px;display:block}

/* Page hero */
.page-hero{padding:calc(var(--nav-h) + 80px) 0 80px;background:var(--onyx);color:var(--text-ivory);position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 50% 80% at 90% 50%,rgba(168,159,140,0.06) 0%,transparent 70%);pointer-events:none}
.page-hero__inner{position:relative;z-index:1}
.page-hero__title{color:var(--ivory);max-width:720px;line-height:1.18}
.page-hero__sub{max-width:600px;margin-top:22px;font-size:18px;line-height:1.75;color:var(--text-ivory-mid);font-weight:400}

/* ── SECTION HEADERS ── */
.section-header{margin-bottom:60px}
.section-header--center{text-align:center}
.section-header--center .divider{margin:24px auto}
.section-header--center .lead{margin:0 auto}

/* ── CARDS ── */
.cards{display:grid;gap:2px}
.cards--2{grid-template-columns:repeat(2,1fr)}
.cards--3{grid-template-columns:repeat(3,1fr)}
.cards--4{grid-template-columns:repeat(4,1fr)}
.card{padding:48px 40px;background:var(--white);transition:background 0.25s var(--ease)}
.card:hover{background:#eeeae1}
.card--dark{background:rgba(255,255,255,0.03);border:1px solid rgba(168,159,140,0.12)}
.card--dark:hover{background:rgba(255,255,255,0.06)}
.card__number{font-family:var(--ff-display);font-size:13px;color:var(--platinum);letter-spacing:0.1em;margin-bottom:20px;display:block;font-weight:600}
.card__title{font-family:var(--ff-display);font-size:23px;font-weight:700;margin-bottom:14px;line-height:1.25;color:var(--text-dark)}
.card--dark .card__title{color:var(--ivory)}
.card__body{font-size:15px;line-height:1.82;color:var(--text-mid)}
.card--dark .card__body{color:var(--text-ivory-soft)}
.card__link{display:inline-flex;align-items:center;gap:8px;font-size:11px;font-weight:600;letter-spacing:0.12em;text-transform:uppercase;color:var(--platinum);margin-top:28px;transition:gap 0.2s}
.card__link:hover{gap:14px}
.card__link svg{width:14px;height:14px}

/* ── DIFF ── */
.diff{display:grid;gap:0;border-top:1px solid var(--plat-20)}
.diff__item{display:grid;grid-template-columns:220px 1fr;gap:0;padding:40px 0;border-bottom:1px solid var(--plat-20);align-items:start}
.diff__label{font-family:var(--ff-display);font-size:20px;font-weight:700;padding-right:48px;color:var(--text-dark)}
.diff__text{font-size:16px;line-height:1.82;color:var(--text-mid)}
.diff--light .diff__item{border-color:rgba(244,241,234,0.12)}
.diff--light .diff__label{color:var(--ivory)}
.diff--light .diff__text{color:var(--text-ivory-mid)}

/* ── CTA BAND ── */
.cta-band{background:var(--onyx);color:var(--text-ivory);padding:100px 0;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 80% at 50% 50%,rgba(168,159,140,0.07) 0%,transparent 70%);pointer-events:none}
.cta-band__inner{position:relative;z-index:1}
.cta-band__title{color:var(--ivory);max-width:640px;margin:0 auto 16px;line-height:1.2}
.cta-band__sub{color:var(--text-ivory-mid);margin:0 auto 40px;max-width:480px;font-size:17px;line-height:1.75}
.cta-band__actions{display:flex;justify-content:center;flex-wrap:wrap;gap:16px}
.cta-band__note{font-size:12px;color:rgba(168,159,140,0.55);letter-spacing:0.12em;text-transform:uppercase;margin-top:24px}

/* ── FORMS ── */
.form{display:flex;flex-direction:column;gap:20px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form__group{display:flex;flex-direction:column;gap:8px}
.form__label{font-size:11px;font-weight:600;letter-spacing:0.15em;text-transform:uppercase;color:var(--platinum)}
.form__input,.form__textarea,.form__select{padding:14px 18px;background:var(--white);border:1.5px solid rgba(168,159,140,0.3);border-radius:var(--radius);font-size:15px;color:var(--onyx);transition:border-color 0.2s;width:100%;appearance:none}
.form__input:focus,.form__textarea:focus,.form__select:focus{border-color:var(--onyx)}
.form__input::placeholder,.form__textarea::placeholder{color:rgba(168,159,140,0.55)}
.form__textarea{resize:vertical;min-height:140px}
.form__select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%23A89F8C' d='M8 10L3 5h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:14px;padding-right:40px;cursor:pointer}
.form__note{font-size:13px;color:var(--platinum);line-height:1.6}

/* ── JOB BOARD ── */
.job-listing{border-bottom:1px solid var(--plat-20);padding:36px 0;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:start}
.job-listing:first-child{border-top:1px solid var(--plat-20)}
.job-listing__meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:12px}
.job-listing__tag{font-size:10px;font-weight:600;letter-spacing:0.15em;text-transform:uppercase;color:var(--platinum);background:var(--plat-10);padding:5px 12px;border-radius:20px}
.job-listing__client{font-size:10px;font-weight:600;letter-spacing:0.15em;text-transform:uppercase;color:var(--onyx);background:rgba(26,31,46,0.08);padding:5px 12px;border-radius:20px}
.job-listing__title{font-family:var(--ff-display);font-size:22px;font-weight:700;margin-bottom:10px;color:var(--text-dark)}
.job-listing__desc{font-size:15px;color:var(--text-mid);line-height:1.78;max-width:640px}
.job-listing__apply{flex-shrink:0;padding-top:6px}

/* ── VALUES ── */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:2px}
.value{padding:48px 36px;background:var(--white);border-top:3px solid transparent;transition:border-color 0.3s}
.value:hover{border-top-color:var(--platinum)}
.value__title{font-family:var(--ff-display);font-size:24px;font-weight:700;margin-bottom:16px;color:var(--text-dark)}
.value__text{font-size:15px;line-height:1.82;color:var(--text-mid)}

/* ── PRINCIPAL ── */
.principal{display:grid;grid-template-columns:1fr 2fr;gap:80px;align-items:start;padding:80px 0}
.principal__name{font-family:var(--ff-display);font-size:32px;font-weight:700;margin-bottom:4px;color:var(--text-dark)}
.principal__title-text{font-size:12px;letter-spacing:0.14em;text-transform:uppercase;color:var(--platinum);margin-bottom:24px;font-weight:600}
.principal__stat{padding:20px 0;border-top:1px solid var(--plat-20)}
.principal__stat-num{font-family:var(--ff-display);font-size:36px;font-weight:700;color:var(--text-dark);line-height:1}
.principal__stat-label{font-size:11px;color:var(--platinum);letter-spacing:0.12em;text-transform:uppercase;margin-top:4px;font-weight:600}
.principal__body{display:flex;flex-direction:column;gap:20px}
.principal__body p{font-size:16px;line-height:1.88;color:var(--text-mid)}

/* ── STEPS ── */
.steps{display:flex;flex-direction:column;gap:0}
.step{display:grid;grid-template-columns:52px 1fr;gap:24px;padding:32px 0;border-bottom:1px solid var(--plat-20)}
.step:last-child{border-bottom:none}
.step__num{font-family:var(--ff-display);font-size:13px;font-weight:700;color:var(--platinum);letter-spacing:0.1em;padding-top:4px}
.step__title{font-family:var(--ff-display);font-size:19px;font-weight:700;margin-bottom:8px;color:var(--text-dark)}
.step__text{font-size:15px;color:var(--text-mid);line-height:1.78}

/* ── SPEC CARD ── */
.spec-card{background:var(--white);padding:56px 48px}
.spec-card+.spec-card{margin-top:2px}
.spec-card__title{font-family:var(--ff-display);font-size:30px;font-weight:700;margin-bottom:20px;color:var(--text-dark)}
.spec-card__tags{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}
.spec-card__tag{font-size:10px;font-weight:600;letter-spacing:0.15em;text-transform:uppercase;color:var(--onyx);background:var(--ivory);padding:6px 14px;border-radius:20px}
.spec-card__text{font-size:16px;color:var(--text-mid);line-height:1.82}

/* ── PROBLEM ── */
.problem{background:var(--white);padding:var(--section-v) 0}
.problem__inner{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.problem__quote{font-family:var(--ff-display);font-size:clamp(20px,2.5vw,30px);font-style:italic;line-height:1.45;color:var(--text-dark);border-left:3px solid var(--platinum);padding-left:28px}

/* ── TWO-COL ── */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.two-col--wide{grid-template-columns:3fr 2fr}

/* ── BLOG ── */
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2px}
.blog-card{background:var(--white);padding:40px 36px;display:flex;flex-direction:column;transition:background 0.2s}
.blog-card:hover{background:#eeeae1}
.blog-card__date{font-size:11px;font-weight:600;letter-spacing:0.15em;text-transform:uppercase;color:var(--platinum);margin-bottom:14px}
.blog-card__title{font-family:var(--ff-display);font-size:21px;font-weight:700;line-height:1.3;color:var(--text-dark);margin-bottom:14px;flex:1}
.blog-card__excerpt{font-size:14px;line-height:1.78;color:var(--text-mid);margin-bottom:24px}
.blog-card__link{font-size:11px;font-weight:600;letter-spacing:0.12em;text-transform:uppercase;color:var(--platinum);display:inline-flex;align-items:center;gap:8px;transition:gap 0.2s}
.blog-card__link:hover{gap:14px}
.article-body{max-width:720px}
.article-body h2{font-size:28px;font-weight:700;margin:48px 0 16px;color:var(--text-dark)}
.article-body h3{font-size:22px;font-weight:600;margin:36px 0 12px;color:var(--text-dark)}
.article-body p{font-size:17px;line-height:1.88;color:var(--text-mid);margin-bottom:24px}
.article-body blockquote{border-left:3px solid var(--platinum);padding:4px 0 4px 28px;margin:40px 0;font-family:var(--ff-display);font-style:italic;font-size:22px;line-height:1.5;color:var(--text-dark)}
.article-body ul,.article-body ol{padding-left:24px;margin-bottom:24px}
.article-body li{font-size:17px;line-height:1.85;color:var(--text-mid);margin-bottom:8px}

/* ── FOOTER ── */
.footer{background:var(--onyx);color:var(--text-ivory);padding:64px 0 32px}
.footer__top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(168,159,140,0.1);margin-bottom:32px}
.footer__logo-img{height:34px;width:auto;margin-bottom:14px}
.footer__tagline{font-size:13px;color:var(--platinum);letter-spacing:0.08em;font-style:italic;margin-bottom:16px}
.footer__desc{font-size:13px;color:rgba(168,159,140,0.6);line-height:1.78}
.footer__col-title{font-size:10px;font-weight:600;letter-spacing:0.22em;text-transform:uppercase;color:rgba(168,159,140,0.45);margin-bottom:20px}
.footer__link{display:block;font-size:13px;color:rgba(244,241,234,0.65);margin-bottom:12px;transition:color 0.2s}
.footer__link:hover{color:var(--platinum)}
.footer__bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.footer__copy{font-size:12px;color:rgba(168,159,140,0.4)}
.footer__legal{display:flex;gap:24px}
.footer__legal a{font-size:12px;color:rgba(168,159,140,0.4);transition:color 0.2s}
.footer__legal a:hover{color:var(--platinum)}

/* ── ANIMATIONS ── */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.hero .overline{animation:fadeUp 0.7s var(--ease) 0.1s both}
.hero .hero__title{animation:fadeUp 0.7s var(--ease) 0.25s both}
.hero .hero__sub{animation:fadeUp 0.7s var(--ease) 0.4s both}
.hero .hero__actions{animation:fadeUp 0.7s var(--ease) 0.52s both}
.reveal{opacity:0;transform:translateY(18px);transition:opacity 0.7s var(--ease),transform 0.7s var(--ease)}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ── UTILITIES ── */
.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}.mt-40{margin-top:40px}
.mb-24{margin-bottom:24px}.mb-40{margin-bottom:40px}
.text-center{text-align:center}

/* ── RESPONSIVE ── */
@media(max-width:1024px){
  :root{--section-v:72px}
  .container{padding:0 32px}
  .cards--4{grid-template-columns:repeat(2,1fr)}
  .footer__top{grid-template-columns:1fr 1fr}
  .principal{grid-template-columns:1fr;gap:48px}
  .diff__item{grid-template-columns:180px 1fr}
}
@media(max-width:768px){
  :root{--section-v:56px}
  .container{padding:0 20px}
  .nav__links,.nav__cta{display:none}
  .nav__hamburger{display:flex}
  .nav__inner{padding:0 20px}
  .hero{min-height:auto;padding:calc(var(--nav-h) + 56px) 0 80px}
  .hero__inner{padding:0 20px}
  .hero__sub{font-size:16px}
  .cards--2,.cards--3,.cards--4{grid-template-columns:1fr}
  .values{grid-template-columns:1fr}
  .two-col,.two-col--wide{grid-template-columns:1fr;gap:48px}
  .problem__inner{grid-template-columns:1fr;gap:40px}
  .diff__item{grid-template-columns:1fr;gap:6px}
  .diff__label{padding-right:0}
  .footer__top{grid-template-columns:1fr;gap:32px}
  .footer__bottom{flex-direction:column;align-items:flex-start}
  .form__row{grid-template-columns:1fr}
  .job-listing{grid-template-columns:1fr}
  .spec-card{padding:36px 24px}
  .blog-grid{grid-template-columns:1fr}
  .nav__mobile{padding:20px}
  .page-hero__sub{font-size:16px}
}