/* Yorgos Kokolakis — site styles on top of the template base (style.css) */

/* Manrope (SIL Open Font License), self-hosted variable font */
@font-face {
  font-family: 'Manrope'; font-style: normal; font-weight: 200 800; font-display: swap;
  src: url(../fonts/manrope-greek.woff2) format('woff2');
  unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}
@font-face {
  font-family: 'Manrope'; font-style: normal; font-weight: 200 800; font-display: swap;
  src: url(../fonts/manrope-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Manrope'; font-style: normal; font-weight: 200 800; font-display: swap;
  src: url(../fonts/manrope-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --yk-primary: #0F52BA;
  --yk-primary-dark: #0b3f93;
  --yk-navy: #0E086E;
  --yk-accent: #FFA648;
  --yk-accent-dark: #f0932f;
  --yk-ink: #1f2937;
  --yk-muted: #545454;
  --yk-soft: #eef2fb;
  --yk-font: 'Manrope', system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

body { font-family: var(--yk-font); color: var(--yk-ink); }

/* Scroll animation (replaces animate.css) */
.animated { animation-duration: .8s; animation-fill-mode: both; }
.fadeInUp { animation-name: yk-fadeInUp; }
@keyframes yk-fadeInUp {
  from { opacity: 0; transform: translate3d(0, 30px, 0); }
  to   { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .animated { visibility: visible; animation: none !important; }
}

/* Buttons */
.btn-primary { background-color: var(--yk-primary); border-color: var(--yk-primary); color: #fff; }
.btn-primary:hover, .btn-primary:focus { background-color: var(--yk-primary-dark); border-color: var(--yk-primary-dark); color: #fff; opacity: 1; }
.btn-accent { background-color: var(--yk-accent); border-color: var(--yk-accent); color: var(--yk-navy) !important; font-weight: 600; }
.btn-accent:hover, .btn-accent:focus { background-color: var(--yk-accent-dark); border-color: var(--yk-accent-dark); opacity: 1; }
.btn-outline-light { border-radius: 30px; padding: 10px 30px; color: #fff; }
.btn-lg-pill { padding: 14px 38px; font-size: 17px; border-radius: 30px; }
.navbar-light .btn { padding: 10px 28px; }
a:hover { color: var(--yk-primary); }

/* Text brand mark (replaces image logo) */
.navbar-brand.brand { font-weight: 700; font-size: 22px; letter-spacing: -0.3px; padding: 22px 0; }
.navbar-brand.brand span { font-weight: 400; opacity: .85; }
nav .white-logo.brand { color: #fff; }
nav .black-logo.brand { color: var(--yk-navy); }
nav .black-logo.brand span { color: var(--yk-primary); opacity: 1; }
nav .nav-link.active { border-bottom: 2px solid var(--yk-primary); }
nav:not(.nav-bg) .navbar-nav .nav-link.active { color: #fff !important; border-bottom-color: var(--yk-accent); }
nav.nav-bg .navbar-nav .nav-link.active { color: var(--yk-primary) !important; }
@media (max-width: 991px) {
  #navigation { background-color: #fff !important; }
  #navigation .white-logo { display: none !important; }
  #navigation .black-logo { display: block !important; }
  .navbar-light .navbar-nav .nav-link { color: #000; padding: 12px 0; }
}

/* Hero + page banners */
.hero, .page-hero {
  background: radial-gradient(circle at 85% 20%, rgba(255,255,255,.10), transparent 40%),
              linear-gradient(135deg, var(--yk-navy) 0%, #0b2f94 55%, var(--yk-primary) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero { padding: 190px 0 110px; }
.page-hero { padding: 170px 0 80px; }
.hero::after, .page-hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 28px 28px;
}
.hero .container, .page-hero .container { position: relative; z-index: 1; }
.eyebrow { text-transform: uppercase; letter-spacing: 2px; font-size: 14px; font-weight: 600; color: var(--yk-accent); }
.hero h1 { font-size: 64px; font-weight: 700; line-height: 1.08; letter-spacing: -2px; margin: 18px 0 22px; }
.hero h1 em { font-style: normal; color: var(--yk-accent); }
.hero .lead { font-size: 20px; line-height: 1.6; max-width: 640px; opacity: .92; font-weight: 300; }
.hero .cta { margin-top: 36px; }
.hero .cta .btn { margin: 0 12px 12px 0; }
.page-hero h1 { font-size: 52px; font-weight: 700; letter-spacing: -1.5px; margin: 14px 0 12px; }
.page-hero p { font-size: 19px; font-weight: 300; max-width: 680px; opacity: .92; margin: 0; }

.stats { margin-top: 70px; padding-top: 34px; border-top: 1px solid rgba(255,255,255,.2); }
.stats .num { font-size: 38px; font-weight: 700; line-height: 1; }
.stats .lbl { font-size: 14px; opacity: .8; margin-top: 8px; }

/* Sections */
section.pad { padding: 100px 0; }
.soft-bg { background: var(--yk-soft); }
.dark-grey-bg { background-color: var(--yk-navy); }

/* Cards */
.card-box { background: #fff; border: 5px solid #f5f5f5; padding: 36px 32px; height: 100%; transition: all .3s; }
.card-box:hover { border-color: var(--yk-primary); }
.card-box .icon { font-size: 52px; color: var(--yk-primary); line-height: 1; margin-bottom: 18px; }
.card-box h3 { font-size: 21px; font-weight: 600; margin-bottom: 12px; }
.card-box p { color: var(--yk-muted); font-size: 16px; margin: 0; }
.card-box.compact { padding: 24px; }

/* About bio lead */
.herotext p.bio-lead { font-size: 22px; line-height: 1.55; font-weight: 600; color: var(--yk-navy); margin: 0; }
@media (max-width: 767px) { .herotext p.bio-lead { font-size: 19px; } }

.herotext h5 a { color: var(--yk-primary); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.herotext h5 em { font-style: italic; color: var(--yk-ink); }

/* Portrait */
.portrait { display: block; width: 100%; max-width: 380px; height: auto; aspect-ratio: 4 / 5; object-fit: cover; object-position: center top; border-radius: 6px; border-bottom: 5px solid var(--yk-accent); box-shadow: 0 20px 50px rgba(0, 0, 0, .25); }
.hero .portrait { margin-left: auto; }
@media (max-width: 991px) { .hero .portrait { margin: 0 auto 0 0; max-width: 300px; } }

/* At-a-glance panel */
.glance { background: var(--yk-navy); color: #fff; padding: 40px; border-radius: 6px; border-top: 4px solid var(--yk-accent); }
.glance h3 { font-size: 15px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--yk-accent); margin-bottom: 20px; }
.glance dl { margin: 0; }
.glance dt { font-weight: 600; font-size: 16px; margin-top: 18px; }
.glance dd { margin: 2px 0 0; font-size: 15px; opacity: .8; }
.glance dt:first-of-type { margin-top: 0; }

/* Timeline */
.timeline { border-left: 2px solid #d6e0f5; margin-left: 8px; padding-left: 34px; }
.timeline .job { position: relative; padding-bottom: 38px; }
.timeline .job:last-child { padding-bottom: 0; }
.timeline .job::before {
  content: ""; position: absolute; left: -43px; top: 8px; width: 16px; height: 16px;
  background: #fff; border: 3px solid var(--yk-primary); border-radius: 50%;
}
.timeline .when { font-size: 14px; font-weight: 600; color: var(--yk-primary); letter-spacing: .5px; }
.timeline h3 { font-size: 21px; font-weight: 600; margin: 4px 0 2px; }
.timeline .org { color: var(--yk-muted); font-size: 15px; margin-bottom: 10px; }
.timeline ul { padding-left: 18px; margin: 0; color: var(--yk-muted); }
.timeline li { margin-bottom: 4px; }

/* Tool chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; list-style: none; }
.chips li { background: #fff; border: 1px solid #cdd9f3; color: var(--yk-navy); padding: 7px 16px; border-radius: 30px; font-size: 15px; font-weight: 500; }

/* Challenge list */
.challenge { display: flex; align-items: flex-start; gap: 14px; padding: 18px 0; border-bottom: 1px solid #dfe5f1; }
.challenge:last-child { border-bottom: 0; }
.challenge i { color: var(--yk-primary); font-size: 28px; margin-top: 2px; }
.challenge strong { display: block; font-size: 18px; }
.challenge span { color: var(--yk-muted); font-size: 15px; }

/* CTA band */
.cta-band { background: linear-gradient(135deg, var(--yk-navy), var(--yk-primary)); color: #fff; text-align: center; padding: 90px 0; }
.cta-band h2 { font-size: 44px; font-weight: 700; letter-spacing: -1px; color: #fff; }
.cta-band p { font-size: 19px; opacity: .92; max-width: 640px; margin: 16px auto 32px; font-weight: 300; }
.cta-band .btn { padding: 14px 40px; }

/* Contact */
.contact-us .detail a { color: var(--yk-primary); }
.contact-us address .icon { font-size: 40px; color: var(--yk-primary); margin-right: 18px; }
.contact-us address .heading { font-weight: 600; }
.contact-us .form-control:focus { border-color: var(--yk-primary); box-shadow: 0 0 0 3px rgba(15, 82, 186, .15); outline: none; }
.cta-card { background: var(--yk-navy); color: #fff; padding: 44px 40px; border-radius: 6px; border-top: 4px solid var(--yk-accent); }
.cta-card h2 { font-size: 32px; font-weight: 700; letter-spacing: -.5px; margin: 10px 0 14px; color: #fff; }
.cta-card p { font-size: 17px; line-height: 1.65; opacity: .9; margin-bottom: 28px; }
.cta-card .btn { padding: 14px 32px; }
.cta-card .btn i { font-size: 20px; vertical-align: -3px; margin-right: 4px; }
.cta-card .cta-alt { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 22px; }
.cta-card .cta-alt a, .cta-card .btn-copy { color: #fff; background: none; border: 0; padding: 0; font: inherit; font-size: 15px; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.cta-card .cta-alt a:hover, .cta-card .btn-copy:hover { color: var(--yk-accent); opacity: 1; }
.cta-card hr { border-color: rgba(255,255,255,.25); margin: 30px 0 22px; opacity: 1; }
.cta-card h3 { font-size: 15px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--yk-accent); margin-bottom: 10px; }
.cta-card ul { margin: 0; padding-left: 18px; opacity: .9; }
@media (max-width: 767px) { .cta-card { padding: 32px 24px; } .cta-card h2 { font-size: 26px; } }

/* Footer + back to top */
footer a, footer li { font-size: 14px; }
footer .footer-contact { color: #c7cbe6; font-size: 15px; margin-top: 6px; }
footer .footer-contact a { color: #fff; }
footer ul.socialmedia li a:hover { color: var(--yk-accent); opacity: 1; }
.back-to-top { display: none; background-color: var(--yk-accent); color: var(--yk-navy); }
.back-to-top.show { display: block; }

@media (max-width: 767px) {
  .hero { padding: 130px 0 70px; }
  .hero h1 { font-size: 40px; letter-spacing: -1px; }
  .hero .lead { font-size: 17px; }
  .page-hero { padding: 120px 0 56px; }
  .page-hero h1 { font-size: 36px; }
  .stats .num { font-size: 30px; }
  section.pad { padding: 64px 0; }
  .cta-band h2 { font-size: 32px; }
  .herotext h2 { font-size: 32px; line-height: 40px; }
}

/* ---- SEO / structure additions ---- */
[id] { scroll-margin-top: 100px; }
.skip-link { position: absolute; left: 8px; top: -60px; z-index: 2000; background: var(--yk-accent); color: var(--yk-navy); font-weight: 600; padding: 10px 18px; border-radius: 0 0 6px 6px; }
.skip-link:focus { top: 0; color: var(--yk-navy); opacity: 1; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--yk-accent); outline-offset: 3px; }

/* kicker (small label above section headings) */
.herotext .kicker { display: block; margin: 0 0 .5rem; font-weight: 500; line-height: 1.2; }
.herotext .kicker::before { content: "/"; }

/* lead paragraph */
.lede { font-size: 18px; font-weight: 400; line-height: 1.6; color: var(--yk-muted); }
.lede a, .card-box h3 a, .challenge strong a { color: inherit; }
.lede a { color: var(--yk-primary); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.card-box h3 a:hover, .challenge strong a:hover { color: var(--yk-primary); opacity: 1; }
.home-services .block .link a { font-weight: 600; }

/* h1 with small eyebrow line */
.hero h1 .eyebrow { display: block; font-size: 14px; line-height: 1.4; letter-spacing: 2px; font-weight: 600; margin-bottom: 18px; }
@media (max-width: 767px) { .hero h1 .eyebrow { font-size: 12px; } }

/* breadcrumbs */
.crumbs ol { display: flex; flex-wrap: wrap; list-style: none; padding: 0; margin: 0 0 6px; font-size: 14px; }
.crumbs li + li::before { content: "/"; margin: 0 10px; opacity: .6; }
.crumbs a { color: #fff; opacity: .85; text-decoration: underline; text-underline-offset: 3px; }
.crumbs li[aria-current] { color: var(--yk-accent); font-weight: 600; }

/* about closing call to action */
.bio-cta { margin-top: 30px; padding-top: 26px; border-top: 1px solid #dfe5f1; }
.bio-cta .lede { margin-bottom: 18px; color: var(--yk-ink); font-weight: 500; }
.text-link { margin-left: 18px; font-weight: 600; color: var(--yk-primary); }
.mini-title { font-size: 17px; font-weight: 600; margin: 0 0 8px; }
.contact-us ul li a { color: var(--yk-primary); }