/* =========================================================================
   styles.css — layout + components (Kaeli look, Yannik content)
   ========================================================================= */

@font-face {
  font-family: "Delight VF";
  src: url("../fonts/Delight-VF.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
  font-style: normal;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-primary);
  font-size: var(--fs-regular);
  line-height: var(--lh-body);
  letter-spacing: var(--ls-body);
  font-weight: var(--wt-body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: var(--wt-head); line-height: var(--lh-head); }
h1 { font-size: var(--fs-h1); letter-spacing: var(--ls-h1); }
h2 { font-size: var(--fs-h2); letter-spacing: var(--ls-h2); }
h3 { font-size: var(--fs-h3); letter-spacing: var(--ls-h3); }
h4 { font-size: var(--fs-h4); letter-spacing: var(--ls-h4); }
h5 { font-size: var(--fs-h5); }
h6 { font-size: var(--fs-h6); }
p  { margin: 0; }
.text-large  { font-size: var(--fs-large); }
.text-medium { font-size: var(--fs-medium); }
.text-small  { font-size: var(--fs-small); }
.text-muted  { color: var(--text-muted); }
.text-subtle { color: var(--text-subtle); }
.accent { color: var(--accent); }

/* --- Layout primitives --- */
.page-wrap { overflow: clip; }
.container { width: 100%; max-width: var(--container-large); margin-inline: auto; padding-inline: var(--pad-global); }
.container.is-medium { max-width: var(--container-medium); }
.container.is-small  { max-width: var(--container-small); }
.section { padding-block: var(--sp-12); }
.section.is-tight { padding-block: var(--sp-8); }
.eyebrow {
  display: inline-flex; align-items: center; gap: .5em;
  font-size: var(--fs-small); letter-spacing: .12ch; text-transform: uppercase;
  color: var(--text-subtle);
}
.eyebrow::before { content: ""; width: 1.4em; height: 1px; background: currentColor; opacity: .6; }
.section-head { max-width: 44ch; margin-bottom: var(--sp-4); }
.section-head h2 { margin-top: var(--sp-1); }
.section-head p { margin-top: var(--sp-15); color: var(--text-muted); font-size: var(--fs-medium); }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; gap: .6em;
  padding: .85em 1.4em; border-radius: var(--radius-pill);
  font-size: var(--fs-regular); font-weight: 500; letter-spacing: 0;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .35s var(--ease), background-color .35s var(--ease), color .35s var(--ease);
}
.btn-primary { background: var(--text); color: var(--bg); }
.btn-primary:hover { background: var(--accent); color: var(--accent-ink); transform: translateY(-2px); }
.btn-ghost { border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--text); transform: translateY(-2px); }
.btn .arrow { transition: transform .35s var(--ease); }
.btn:hover .arrow { transform: translate(3px,-3px); }
.link-arrow { display: inline-flex; align-items: center; gap: .5em; font-weight: 500; color: var(--text); }
.link-arrow .arrow { transition: transform .35s var(--ease); }
.link-arrow:hover { color: var(--accent); }
.link-arrow:hover .arrow { transform: translate(3px,-3px); }

/* =========================================================================
   Navigation
   ========================================================================= */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-2);
  padding: var(--sp-1) var(--pad-global);
  transition: background-color .4s var(--ease), backdrop-filter .4s var(--ease), box-shadow .4s var(--ease);
}
.nav.is-scrolled {
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-brand { display: inline-flex; align-items: center; gap: .6em; font-weight: 600; font-size: var(--fs-medium); letter-spacing: -.02ch; }
.nav-brand img { height: 1.5em; width: auto; }
.nav-menu { display: flex; align-items: center; gap: clamp(.5rem, 1.4vw, 1.75rem); }
.nav-link {
  position: relative; display: inline-flex; align-items: baseline; gap: .4em;
  padding: .35em 0; font-size: var(--fs-regular); color: var(--text-muted);
  transition: color .3s var(--ease);
}
.nav-link .num { font-size: .7em; color: var(--accent); font-variant-numeric: tabular-nums; }
.nav-link::after {
  content: ""; position: absolute; left: 0; bottom: -.1em; height: 1px; width: 0;
  background: var(--accent); transition: width .35s var(--ease);
}
.nav-link:hover { color: var(--text); }
.nav-link:hover::after { width: 100%; }
.nav-right { display: flex; align-items: center; gap: var(--sp-15); }
.nav-toggle { display: none; }

@media (max-width: 991px) {
  .nav-menu { gap: clamp(.4rem, 1.2vw, 1rem); }
  .nav-link .num { display: none; }
}
@media (max-width: 767px) {
  .nav-menu, .nav-right .btn { display: none; }
  .nav-toggle {
    display: inline-flex; flex-direction: column; gap: 5px; padding: .6em; background: none; border: 0; cursor: pointer;
  }
  .nav-toggle span { width: 24px; height: 2px; background: var(--text); transition: transform .3s var(--ease), opacity .3s var(--ease); }
  .nav.is-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.is-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav.is-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav-mobile {
    position: fixed; inset: 0; z-index: 40; background: var(--bg);
    display: flex; flex-direction: column; justify-content: center; gap: var(--sp-2);
    padding: var(--sp-8) var(--pad-global);
    transform: translateY(-100%); transition: transform .5s var(--ease); pointer-events: none;
  }
  .nav.is-open ~ .nav-mobile { transform: translateY(0); pointer-events: auto; }
  .nav-mobile a { font-size: var(--fs-h4); font-weight: 500; }
}

/* =========================================================================
   Hero
   ========================================================================= */
.hero { padding-top: calc(var(--sp-16) + 2rem); padding-bottom: var(--sp-8); }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--sp-6); align-items: end; }
.hero-copy .eyebrow { margin-bottom: var(--sp-2); }
.hero h1 { max-width: 14ch; }
.hero-meta { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-3); }
.hero-meta .label { font-size: var(--fs-small); color: var(--text-subtle); text-transform: uppercase; letter-spacing: .1ch; }
.hero-meta .value { font-size: var(--fs-medium); }
.hero-meta .value .dot { display: inline-block; width: .5em; height: .5em; border-radius: 50%; background: var(--color-success); margin-right: .5em; }
.hero-lead { margin-top: var(--sp-3); max-width: 46ch; color: var(--text-muted); font-size: var(--fs-medium); }
.hero-cta { margin-top: var(--sp-3); display: flex; gap: var(--sp-15); flex-wrap: wrap; }
.hero-media { position: relative; }
.hero-media img { width: 100%; aspect-ratio: 4/5; object-fit: cover; border-radius: var(--radius-lg); }
.hero-media .badge {
  position: absolute; left: var(--sp-2); bottom: var(--sp-2);
  background: color-mix(in srgb, var(--dark-bg) 78%, transparent); color: var(--dark-text);
  backdrop-filter: blur(8px); padding: .7em 1.1em; border-radius: var(--radius);
  font-size: var(--fs-small);
}
@media (max-width: 991px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--sp-4); align-items: start; }
  .hero-media img { aspect-ratio: 16/10; }
}

/* --- Logos marquee --- */
.logos { border-block: 1px solid var(--border); padding-block: var(--sp-3); }
.logos p { text-align: center; color: var(--text-subtle); font-size: var(--fs-small); margin-bottom: var(--sp-2); }
.logos-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--sp-3); }
.logos-row img { height: clamp(1.4rem, 2vw, 2.1rem); width: auto; opacity: .55; filter: grayscale(1); transition: opacity .3s var(--ease); }
.logos-row img:hover { opacity: 1; }

/* =========================================================================
   Expertise
   ========================================================================= */
.expertise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-2); }
.exp-card {
  display: flex; flex-direction: column; gap: var(--sp-15);
  padding: var(--sp-3); border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface); transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.exp-card:hover { transform: translateY(-6px); box-shadow: 0 18px 50px color-mix(in srgb, var(--text) 8%, transparent); }
.exp-icon { width: 3rem; height: 3rem; display: grid; place-items: center; border-radius: var(--radius); background: var(--accent-50); }
.exp-icon img { width: 1.6rem; height: 1.6rem; }
.exp-card h3 { font-size: var(--fs-h5); }
.exp-card > p { color: var(--text-muted); }
.exp-list { display: flex; flex-direction: column; gap: .6em; margin-top: auto; padding-top: var(--sp-15); border-top: 1px solid var(--border); }
.exp-list li { display: flex; gap: .6em; align-items: center; font-size: var(--fs-regular); color: var(--text-muted); }
.exp-list li::before { content: ""; width: 1.1em; height: 1.1em; flex: none; background: var(--accent); mask: url("../img/icon-check.svg") center/contain no-repeat; -webkit-mask: url("../img/icon-check.svg") center/contain no-repeat; }
@media (max-width: 991px) { .expertise-grid { grid-template-columns: 1fr; } }

/* =========================================================================
   Selected work
   ========================================================================= */
.work-list { display: flex; flex-direction: column; gap: var(--sp-3); }
.work-card {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); align-items: center;
  padding: var(--sp-2); border-radius: var(--radius-lg); transition: background-color .4s var(--ease);
}
.work-card:nth-child(even) { direction: rtl; }
.work-card:nth-child(even) > * { direction: ltr; }
.work-card:hover { background: var(--bg-alt); }
.work-media { overflow: hidden; border-radius: var(--radius); }
.work-media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: transform .6s var(--ease); }
.work-card:hover .work-media img { transform: scale(1.04); }
.work-body .idx { font-size: var(--fs-small); color: var(--accent); font-variant-numeric: tabular-nums; }
.work-body h3 { margin: var(--sp-1) 0 var(--sp-15); font-size: var(--fs-h4); }
.work-body p { color: var(--text-muted); max-width: 46ch; margin-bottom: var(--sp-2); }
.work-tags { display: flex; flex-wrap: wrap; gap: .5em; margin-bottom: var(--sp-2); }
.tag { font-size: var(--fs-small); padding: .35em .8em; border: 1px solid var(--border); border-radius: var(--radius-pill); color: var(--text-subtle); }
@media (max-width: 991px) {
  .work-card, .work-card:nth-child(even) { grid-template-columns: 1fr; direction: ltr; gap: var(--sp-2); }
}

/* =========================================================================
   Insights
   ========================================================================= */
.insights-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-2); }
.insight-card { display: flex; flex-direction: column; gap: var(--sp-1); }
.insight-media { overflow: hidden; border-radius: var(--radius); aspect-ratio: 3/2; }
.insight-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.insight-card:hover .insight-media img { transform: scale(1.05); }
.insight-meta { display: flex; gap: .8em; font-size: var(--fs-small); color: var(--text-subtle); margin-top: var(--sp-1); }
.insight-card h3 { font-size: var(--fs-h6); margin-top: .2em; }
.insight-card:hover h3 { color: var(--accent); }
@media (max-width: 991px) { .insights-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 767px) { .insights-grid { grid-template-columns: 1fr; } }

/* =========================================================================
   Testimonials
   ========================================================================= */
.tst-head { display: flex; align-items: end; justify-content: space-between; gap: var(--sp-3); flex-wrap: wrap; margin-bottom: var(--sp-4); }
.stars { display: inline-flex; gap: .15em; color: var(--accent); font-size: var(--fs-large); }
.tst-grid { columns: 3; column-gap: var(--sp-2); }
.tst-card {
  break-inside: avoid; margin-bottom: var(--sp-2);
  padding: var(--sp-2); border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface);
}
.tst-card p { color: var(--text); }
.tst-person { display: flex; align-items: center; gap: .8em; margin-top: var(--sp-15); }
.tst-person img { width: 2.6rem; height: 2.6rem; border-radius: 50%; object-fit: cover; }
.tst-person .name { font-weight: 500; font-size: var(--fs-regular); }
.tst-person .role { font-size: var(--fs-small); color: var(--text-subtle); }
@media (max-width: 991px) { .tst-grid { columns: 2; } }
@media (max-width: 767px) { .tst-grid { columns: 1; } }

/* =========================================================================
   CTA (dark panel)
   ========================================================================= */
.cta { background: var(--dark-bg); color: var(--dark-text); border-radius: var(--radius-lg); position: relative; overflow: hidden; }
.cta-inner { padding: var(--sp-10) var(--pad-global); text-align: center; position: relative; z-index: 1; max-width: 60ch; margin-inline: auto; }
.cta h2 { font-size: var(--fs-h2); }
.cta p { margin: var(--sp-2) auto 0; color: var(--dark-muted); font-size: var(--fs-medium); max-width: 46ch; }
.cta .btn-primary { background: var(--accent); color: var(--accent-ink); margin-top: var(--sp-3); }
.cta .btn-primary:hover { background: var(--color-white); color: var(--dark-bg); }
.cta .note { margin-top: var(--sp-15); font-size: var(--fs-small); color: var(--dark-muted); }
.cta-pattern { position: absolute; inset: 0; opacity: .12; background: url("../img/cta.svg") center/cover no-repeat; z-index: 0; }

/* =========================================================================
   Footer
   ========================================================================= */
.footer { background: var(--dark-bg); color: var(--dark-text); padding-block: var(--sp-8) var(--sp-4); margin-top: var(--sp-12); }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--sp-4); padding-bottom: var(--sp-6); border-bottom: 1px solid var(--dark-border); }
.footer-brand { font-size: var(--fs-h5); font-weight: 500; }
.footer-brand p { margin-top: var(--sp-15); color: var(--dark-muted); max-width: 32ch; font-size: var(--fs-regular); }
.footer-col h4 { font-size: var(--fs-small); text-transform: uppercase; letter-spacing: .12ch; color: var(--dark-muted); margin-bottom: var(--sp-15); }
.footer-col a { display: block; padding: .35em 0; color: var(--dark-text); opacity: .85; transition: opacity .25s var(--ease), color .25s var(--ease); }
.footer-col a:hover { opacity: 1; color: var(--accent); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-2); flex-wrap: wrap; padding-top: var(--sp-3); font-size: var(--fs-small); color: var(--dark-muted); }
.footer-social { display: flex; gap: .4em; }
.footer-social a { width: 2.2em; height: 2.2em; display: grid; place-items: center; border: 1px solid var(--dark-border); border-radius: 50%; transition: background-color .3s var(--ease), color .3s var(--ease); }
.footer-social a:hover { background: var(--accent); color: var(--accent-ink); }
.footer-social svg { width: 1em; height: 1em; fill: currentColor; }
@media (max-width: 767px) { .footer-top { grid-template-columns: 1fr; gap: var(--sp-3); } }

/* =========================================================================
   Article / detail pages
   ========================================================================= */
.page-hero { padding-top: calc(var(--sp-12) + 3rem); padding-bottom: var(--sp-4); }
.page-hero .eyebrow { margin-bottom: var(--sp-2); }
.page-hero h1 { max-width: 20ch; }
.page-hero p { margin-top: var(--sp-2); max-width: 52ch; color: var(--text-muted); font-size: var(--fs-medium); }
.breadcrumb { display: flex; gap: .5em; font-size: var(--fs-small); color: var(--text-subtle); margin-bottom: var(--sp-2); }
.breadcrumb a:hover { color: var(--accent); }
.cover { border-radius: var(--radius-lg); overflow: hidden; margin-block: var(--sp-4); }
.cover img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.prose { max-width: 68ch; margin-inline: auto; font-size: var(--fs-medium); color: var(--text-muted); }
.prose > * + * { margin-top: var(--sp-2); }
.prose h2 { font-size: var(--fs-h4); color: var(--text); margin-top: var(--sp-4); }
.prose h3 { font-size: var(--fs-h5); color: var(--text); margin-top: var(--sp-3); }
.prose ul { display: flex; flex-direction: column; gap: .6em; }
.prose li { display: flex; gap: .6em; }
.prose li::before { content: ""; margin-top: .55em; width: .4em; height: .4em; flex: none; border-radius: 50%; background: var(--accent); }
.prose blockquote { border-left: 2px solid var(--accent); padding-left: var(--sp-2); font-size: var(--fs-h6); color: var(--text); font-weight: 500; }

.meta-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-2); margin-block: var(--sp-4); padding-block: var(--sp-3); border-block: 1px solid var(--border); }
.meta-grid .k { font-size: var(--fs-small); color: var(--text-subtle); text-transform: uppercase; letter-spacing: .1ch; }
.meta-grid .v { font-size: var(--fs-medium); margin-top: .3em; }
@media (max-width: 767px) { .meta-grid { grid-template-columns: 1fr 1fr; } }

/* --- Contact --- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-6); align-items: start; }
.field { display: flex; flex-direction: column; gap: .5em; margin-bottom: var(--sp-2); }
.field label { font-size: var(--fs-small); color: var(--text-subtle); }
.field input, .field textarea, .field select {
  font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius); padding: .8em 1em; width: 100%;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--accent); }
.contact-detail { display: flex; flex-direction: column; gap: var(--sp-2); }
.contact-detail a { color: var(--text); }
.contact-detail a:hover { color: var(--accent); }
@media (max-width: 991px) { .contact-grid { grid-template-columns: 1fr; gap: var(--sp-4); } }

/* --- Reveal animation base (GSAP toggles .is-in) --- */
[data-reveal] { opacity: 0; transform: translateY(24px); }
.no-js [data-reveal] { opacity: 1; transform: none; }

/* --- Utilities --- */
.stack-sm > * + * { margin-top: var(--sp-1); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
@media (max-width: 767px) { .grid-2 { grid-template-columns: 1fr; } }
.mt-2 { margin-top: var(--sp-2); } .mt-4 { margin-top: var(--sp-4); }
.center { text-align: center; } .center .section-head { margin-inline: auto; }