/* =========================================================
   TikhePharma — Biopharmaceutical Consulting
   Elegant & airy · purple primary · subtle gold accents
   ========================================================= */

:root {
  /* Brand purples (from palette) */
  --purple-900: #4a1f63;
  --purple-700: #6b2d8e;   /* Glavna vijolična — main purple */
  --purple-500: #8e44ad;
  --purple-300: #c89fde;
  --purple-200: #d8bfe8;
  --purple-100: #e8daf2;
  --purple-050: #f3ebf9;

  /* Gold / amber accents (from palette) */
  --gold-500: #e0a82e;
  --gold-600: #d99c00;
  --gold-400: #e6bf57;

  /* Neutrals */
  --ink: #2a2433;
  --ink-soft: #5a5266;
  --line: #ece7f1;
  --bg: #ffffff;
  --bg-alt: #faf7fc;

  /* Type */
  /* --serif is kept as the variable name used across the file, but now
     points at our display sans (Inter) so all headlines share one family. */
  --serif: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Layout */
  --container: 1160px;
  --pad: clamp(1.25rem, 5vw, 2rem);
  --radius: 14px;
  --shadow: 0 20px 50px -24px rgba(74, 31, 99, 0.35);
  --header-h: 76px;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--sans);
  font-weight: 400;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: clamp(1rem, 0.95rem + 0.2vw, 1.075rem);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad);
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, box-shadow .3s ease, background .3s ease;
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px -22px rgba(74, 31, 99, 0.4);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand-logo { height: 30px; width: auto; }

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.4vw, 2.1rem);
  margin-left: auto;
}
.nav a {
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--ink-soft);
  position: relative;
  padding: .35rem 0;
  transition: color .2s ease;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--gold-500);
  transition: width .25s ease;
}
.nav a:hover { color: var(--purple-700); }
.nav a:hover::after { width: 100%; }

.nav-cta {
  color: var(--purple-700) !important;
  border: 1px solid var(--purple-200);
  border-radius: 999px;
  padding: .45rem 1.1rem !important;
}
.nav-cta::after { display: none; }
.nav-cta:hover { background: var(--purple-050); border-color: var(--purple-300); }

.nav-tools { display: flex; align-items: center; gap: 1rem; }
.lang-switch { display: flex; align-items: center; gap: .35rem; font-size: .82rem; font-weight: 600; }
.lang-btn {
  background: none; border: 0; padding: .2rem .15rem; cursor: pointer;
  color: var(--ink-soft); font: inherit; letter-spacing: .04em; transition: color .2s ease;
}
.lang-btn.is-active { color: var(--purple-700); }
.lang-btn:hover { color: var(--purple-700); }
.lang-sep { color: var(--line); }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: none; border: 0; cursor: pointer; padding: 8px;
}
.menu-toggle span {
  display: block; height: 2px; width: 100%;
  background: var(--purple-700); border-radius: 2px;
  transition: transform .3s ease, opacity .2s ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: clamp(560px, 92vh, 880px);
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(110deg, rgba(255,255,255,0.96) 0%, rgba(243,235,249,0.72) 42%, rgba(200,159,222,0.28) 100%),
    url("assets/header1.png") center right / cover no-repeat;
  z-index: -1;
}
.hero-inner { max-width: 880px; padding-block: 2rem; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: .22em;
  font-size: .78rem;
  font-weight: 600;
  color: var(--gold-600);
  margin: 0 0 1.4rem;
}
.eyebrow::before {
  content: ""; display: inline-block;
  width: 28px; height: 1px; background: var(--gold-500);
  vertical-align: middle; margin-right: .8rem;
}
.hero-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.1rem, 1.3rem + 4vw, 4.2rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--purple-900);
  margin: 0 0 1.6rem;
  max-width: 18ch;
}
.hero-sub {
  font-size: clamp(1.05rem, 1rem + 0.4vw, 1.3rem);
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0 0 2.4rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }

.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  font-weight: 600; font-size: .92rem; letter-spacing: .01em;
  padding: .85rem 1.7rem; border-radius: 999px;
  cursor: pointer; transition: transform .2s ease, box-shadow .25s ease, background .25s ease, color .2s ease;
}
.btn-primary {
  background: var(--purple-700); color: #fff;
  box-shadow: 0 14px 30px -14px rgba(107, 45, 142, 0.7);
}
.btn-primary:hover { background: var(--purple-900); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--purple-700); border: 1px solid var(--purple-300); }
.btn-ghost:hover { background: #fff; border-color: var(--purple-700); transform: translateY(-2px); }

.hero-scroll {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  width: 1px; height: 46px; background: var(--purple-300);
  opacity: .6;
}
.hero-scroll::after {
  content: ""; position: absolute; left: 50%; top: 0;
  width: 1px; height: 14px; background: var(--purple-700);
  transform: translateX(-50%); animation: scrollDot 2s ease-in-out infinite;
}
@keyframes scrollDot { 0%,100% { top: 0; opacity: 1; } 60% { top: 32px; opacity: .2; } }
@media (prefers-reduced-motion: reduce) { .hero-scroll::after { animation: none; } }

/* ---------- Sections ---------- */
.section { padding-block: clamp(4rem, 8vw, 7.5rem); }
.section-alt { background: var(--bg-alt); }

.section-head { margin-bottom: clamp(2rem, 4vw, 3.2rem); }
.section-num {
  display: block;
  font-family: var(--serif);
  font-size: 1rem; font-weight: 600;
  color: var(--gold-500); letter-spacing: .1em;
  margin-bottom: .4rem;
}
.section-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.9rem, 1.2rem + 2.8vw, 3rem);
  line-height: 1.1;
  color: var(--purple-900);
  margin: 0;
  letter-spacing: -0.025em;
}
.section-intro { color: var(--ink-soft); max-width: 60ch; margin: 1rem 0 0; font-size: 1.08rem; }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.about-lead p { margin: 0 0 1.3rem; max-width: 60ch; }
.about-lead p:last-child { margin-bottom: 0; }
.about-quote {
  position: relative;
  background: linear-gradient(160deg, var(--purple-700), var(--purple-900));
  color: #fff;
  border-radius: var(--radius);
  padding: 2.4rem 2rem 2.2rem;
  box-shadow: var(--shadow);
}
.about-quote .quote-mark {
  display: block;
  width: 40px; height: 3px; border-radius: 3px;
  background: var(--gold-400);
  font-size: 0; line-height: 0; overflow: hidden;
  margin-bottom: 1.4rem;
}
.about-quote p {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 1rem + 0.9vw, 1.55rem);
  line-height: 1.4; font-weight: 300;
  letter-spacing: -0.01em;
  margin: 0;
}

/* ---------- Mateja / Leadership ---------- */
.mateja-grid {
  display: grid;
  grid-template-columns: minmax(240px, 340px) 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.mateja-photo { margin: 0; }
.mateja-photo img {
  width: 100%; border-radius: var(--radius);
  background: var(--purple-050);
  box-shadow: var(--shadow);
}
.mateja-photo figcaption {
  margin-top: 1.1rem;
  display: flex; flex-direction: column; gap: .15rem;
  padding-left: 1rem; border-left: 3px solid var(--gold-500);
}
.mateja-photo figcaption strong {
  font-family: var(--serif); font-size: 1.35rem; font-weight: 600; letter-spacing: -0.02em; color: var(--purple-900);
}
.mateja-photo figcaption span { color: var(--ink-soft); font-size: .92rem; letter-spacing: .02em; }

.mateja-body p { margin: 0 0 1.2rem; }
.more-content[hidden] { display: none; }
.more-content p:first-child { margin-top: .4rem; }

.more-toggle {
  display: inline-flex; align-items: center; gap: .5rem;
  margin-top: .6rem;
  background: none; border: 0; cursor: pointer;
  font: inherit; font-weight: 600; color: var(--purple-700);
  letter-spacing: .01em;
}
.more-toggle svg { width: 16px; height: 16px; transition: transform .3s ease; }
.more-toggle[aria-expanded="true"] svg { transform: rotate(180deg); }
.more-toggle:hover { color: var(--purple-900); }

/* ---------- Values ---------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
}
.value-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.8rem, 3vw, 2.6rem);
  transition: transform .25s ease, box-shadow .3s ease, border-color .3s ease;
  position: relative; overflow: hidden;
}
.value-card::before {
  content: ""; position: absolute; top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--purple-700), var(--gold-500));
  transform: scaleX(0); transform-origin: left; transition: transform .35s ease;
}
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.value-card:hover::before { transform: scaleX(1); }
.value-card h3 {
  font-family: var(--serif); font-weight: 600;
  font-size: clamp(1.4rem, 1.1rem + 1vw, 1.85rem);
  letter-spacing: -0.02em;
  color: var(--purple-700); margin: 0 0 .8rem;
}
.value-card p { margin: 0; color: var(--ink-soft); }

/* ---------- Services ---------- */
.services-grid {
  list-style: none; margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.service-item {
  display: flex; align-items: center; gap: 1rem;
  padding: 1.35rem .5rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--serif);
  font-size: clamp(1.15rem, 1rem + 0.7vw, 1.5rem);
  font-weight: 500; color: var(--purple-900);
  transition: padding-left .25s ease, color .2s ease;
}
.service-item:hover { padding-left: 1rem; color: var(--purple-700); }
.service-item:nth-child(odd) { padding-right: 2rem; }
.service-dot {
  flex: 0 0 auto;
  width: 26px; height: 26px;
  background: url("assets/point.png") center / contain no-repeat;
}

/* ---------- References ---------- */
.references-lead { max-width: 70ch; color: var(--ink-soft); font-size: 1.1rem; margin: 0 0 2.5rem; }
.logos-row {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: clamp(1.5rem, 5vw, 4rem); align-items: center;
}
.logos-row li {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 1.2rem + 1.5vw, 2.6rem);
  font-weight: 700; letter-spacing: .01em;
  color: var(--purple-300);
  transition: color .3s ease, transform .25s ease;
  cursor: default;
}
.logos-row li:hover { color: var(--purple-700); transform: translateY(-2px); }

/* ---------- Contact ---------- */
.section-contact {
  background:
    linear-gradient(180deg, var(--bg-alt), #fff 60%);
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
}
.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.8rem, 3vw, 2.6rem);
  box-shadow: 0 14px 40px -28px rgba(74,31,99,.35);
}
.contact-card h3 {
  font-family: var(--serif); font-size: 1.6rem; font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--purple-700); margin: 0 0 .6rem;
}
.contact-card address { font-style: normal; color: var(--ink-soft); line-height: 1.9; }
.contact-role { color: var(--gold-600); font-weight: 600; margin: 0 0 1.2rem; font-size: .92rem; letter-spacing: .03em; }
.contact-list { list-style: none; margin: 0; padding: 0; }
.contact-list li {
  display: grid; grid-template-columns: 80px 1fr; gap: 1rem;
  padding: .55rem 0; border-bottom: 1px dashed var(--line); align-items: baseline;
}
.contact-list li:last-child { border-bottom: 0; }
.contact-list li > span { color: var(--ink-soft); font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; }
.contact-list li a { color: var(--ink); font-weight: 500; transition: color .2s ease; word-break: break-word; }
.contact-list li a[href]:hover { color: var(--purple-700); }

/* ---------- Footer ---------- */
.site-footer { background: var(--purple-900); color: rgba(255,255,255,.85); padding-block: 2.5rem; }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; flex-wrap: wrap;
}
.footer-logo { height: 26px; filter: brightness(0) invert(1); opacity: .92; }
.footer-copy { margin: 0; font-size: .85rem; letter-spacing: .01em; color: rgba(255,255,255,.7); }

/* ---------- Scroll to top ---------- */
.to-top {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 90;
  width: 48px; height: 48px;
  display: grid; place-items: center;
  background: var(--purple-700); color: #fff;
  border: 0; border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 12px 28px -10px rgba(74, 31, 99, 0.6);
  opacity: 0; visibility: hidden; transform: translateY(12px);
  transition: opacity .3s ease, transform .3s ease, background .25s ease, visibility .3s ease;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--purple-900); transform: translateY(-2px); }
.to-top svg { width: 20px; height: 20px; }
@media (prefers-reduced-motion: reduce) {
  .to-top { transition: opacity .2s ease, visibility .2s ease; }
  .to-top:hover { transform: none; }
}

/* ---------- Reveal on scroll ---------- */
.section { opacity: 1; }
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .mateja-grid { grid-template-columns: 1fr; }
  .mateja-photo { max-width: 320px; }
  .mateja-photo img { box-shadow: 0 18px 40px -26px rgba(74,31,99,.4); }
}

@media (max-width: 760px) {
  :root { --header-h: 66px; }

  /* Mobile nav drawer */
  .menu-toggle { display: flex; }
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    padding: .5rem var(--pad) 1.25rem;
    transform: translateY(-130%);
    transition: transform .35s cubic-bezier(.4,0,.2,1);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .nav.open { transform: translateY(0); }
  .nav a {
    padding: .95rem .25rem;
    border-bottom: 1px solid var(--line);
    font-size: 1rem;
  }
  .nav a::after { display: none; }
  .nav-cta {
    border: 0 !important; border-radius: 0 !important;
    padding: .95rem .25rem !important;
    margin-top: .25rem;
  }

  .values-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .service-item:nth-child(odd) { padding-right: .5rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero-actions { width: 100%; }
  .hero-actions .btn { flex: 1 1 auto; justify-content: center; }
  .about-quote { padding: 2rem 1.5rem 1.8rem; }
  .contact-list li { grid-template-columns: 70px 1fr; gap: .6rem; }
}

/* Tablet hero background — pull photo back so text stays legible */
@media (max-width: 760px) {
  .hero-bg {
    background:
      linear-gradient(170deg, rgba(255,255,255,0.97) 0%, rgba(243,235,249,0.82) 55%, rgba(200,159,222,0.3) 100%),
      url("assets/header1.png") center / cover no-repeat;
  }
}