/* =========================================================
   Suppan Design – Split portal
   Left white (Ivana) · Right black (Klaus)
   ========================================================= */

:root {
  --font-body: "PT Sans", Arial, Helvetica, sans-serif;
  --font-display: "Antic Slab", Georgia, "Times New Roman", serif;
  --white: #fbfaf7;
  --ink: #1c1814;
  --black: #050505;
  --accent-warm: #8b5e3c;
  --accent-light: #d8c3a5;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: #000;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 50;
  padding: 0.75rem 1rem;
  background: #fff;
  color: #000;
  border-radius: 999px;
}

.skip-link:focus {
  top: 1rem;
}

.portal {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  transition: grid-template-columns 0.65s var(--ease);
}

.portal.hover-ivana {
  grid-template-columns: 0.82fr 1.18fr;
}

.portal.hover-klaus {
  grid-template-columns: 1.18fr 0.82fr;
}

.portal-brand {
  position: absolute;
  top: 1.35rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0.9rem 0.55rem 0.55rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(28, 24, 20, 0.1);
  backdrop-filter: blur(12px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  pointer-events: none;
}

.portal-brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #111;
  color: #f5f0e8;
  font-family: var(--font-display);
  font-size: 0.95rem;
}

.portal-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  padding-right: 0.35rem;
}

.portal-brand-text strong {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 0.98rem;
  letter-spacing: 0.02em;
}

.portal-brand-text em {
  font-style: normal;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(28, 24, 20, 0.45);
}

.panel {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2.5rem 3.5rem;
  overflow: hidden;
  isolation: isolate;
  transition: filter 0.45s ease;
}

.panel-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.panel-bg,
.panel-portrait {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease), opacity 0.5s ease;
}

.panel-bg {
  opacity: 0.22;
  transform: scale(1.06);
}

.panel-portrait {
  width: min(42vw, 460px);
  height: min(42vw, 460px);
  inset: auto 8% 12% auto;
  border-radius: 50%;
  opacity: 0.18;
  object-position: center top;
  filter: grayscale(0.15);
}

.panel:hover .panel-bg,
.panel:focus-visible .panel-bg {
  transform: scale(1.1);
  opacity: 0.28;
}

.panel:hover .panel-portrait,
.panel:focus-visible .panel-portrait {
  opacity: 0.28;
  transform: scale(1.03);
}

.panel-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.panel-content {
  position: relative;
  z-index: 2;
  max-width: min(34rem, 92%);
  text-align: center;
}

.panel-eyebrow {
  margin: 0 0 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.panel h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.2rem, 4.4vw, 4rem);
  line-height: 1.05;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.panel-role {
  margin: 1rem 0 0;
  font-size: 1.05rem;
  line-height: 1.5;
  opacity: 0.72;
}

.panel-cta {
  display: inline-flex;
  margin-top: 2rem;
  min-height: 46px;
  align-items: center;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  border: 1px solid currentColor;
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s var(--ease);
}

.panel:hover .panel-cta,
.panel:focus-visible .panel-cta {
  transform: translateY(-1px);
}

/* LEFT – Ivana / white */
.panel-ivana {
  background: var(--white);
  color: var(--ink);
}

.panel-ivana .panel-veil {
  background:
    linear-gradient(90deg, rgba(251, 250, 247, 0.92) 0%, rgba(251, 250, 247, 0.72) 55%, rgba(251, 250, 247, 0.45) 100%),
    radial-gradient(circle at 70% 70%, rgba(196, 138, 74, 0.1), transparent 45%);
}

.panel-ivana .panel-eyebrow {
  color: var(--accent-warm);
}

.panel-ivana .panel-cta {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.55);
}

.panel-ivana:hover .panel-cta,
.panel-ivana:focus-visible .panel-cta {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.panel-ivana .panel-portrait {
  inset: auto auto 10% 8%;
}

/* RIGHT – Klaus / black */
.panel-klaus {
  background: var(--black);
  color: #f4f1ea;
}

.panel-klaus .panel-veil {
  background:
    linear-gradient(270deg, rgba(5, 5, 5, 0.92) 0%, rgba(5, 5, 5, 0.72) 55%, rgba(5, 5, 5, 0.42) 100%),
    radial-gradient(circle at 30% 70%, rgba(196, 138, 74, 0.14), transparent 45%);
}

.panel-klaus .panel-eyebrow {
  color: var(--accent-light);
}

.panel-klaus .panel-bg {
  opacity: 0.42;
  filter: saturate(0.9) contrast(1.05);
}

.panel-klaus .panel-portrait {
  opacity: 0.2;
  filter: grayscale(0.25) contrast(1.05);
}

.panel-klaus .panel-cta {
  color: #f4f1ea;
  background: rgba(255, 255, 255, 0.04);
}

.panel-klaus:hover .panel-cta,
.panel-klaus:focus-visible .panel-cta {
  background: #f4f1ea;
  color: #0a0a0a;
  border-color: #f4f1ea;
}

/* Soft center seam like the sketch */
.split-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 120px;
  transform: translateX(-50%);
  z-index: 10;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    rgba(251, 250, 247, 0) 0%,
    rgba(251, 250, 247, 0.55) 42%,
    rgba(5, 5, 5, 0.55) 58%,
    rgba(5, 5, 5, 0) 100%
  );
  mix-blend-mode: soft-light;
  opacity: 0.85;
  transition: left 0.65s var(--ease);
}

.portal.hover-ivana .split-line {
  left: 59%;
}

.portal.hover-klaus .split-line {
  left: 41%;
}

/* Mobile: stack white then black */
@media (max-width: 820px) {
  .portal,
  .portal.hover-ivana,
  .portal.hover-klaus {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr;
  }

  .panel {
    min-height: 50svh;
    padding: 5.5rem 1.5rem 2.5rem;
  }

  .panel-portrait {
    width: min(48vw, 220px);
    height: min(48vw, 220px);
    opacity: 0.16;
  }

  .panel-ivana .panel-portrait {
    inset: auto 1rem 1rem auto;
  }

  .panel-klaus .panel-portrait {
    inset: auto 1rem 1rem auto;
  }

  .split-line,
  .portal.hover-ivana .split-line,
  .portal.hover-klaus .split-line {
    top: 50%;
    left: 0;
    right: 0;
    bottom: auto;
    width: 100%;
    height: 80px;
    transform: translateY(-50%);
    background: linear-gradient(
      180deg,
      rgba(251, 250, 247, 0) 0%,
      rgba(251, 250, 247, 0.55) 42%,
      rgba(5, 5, 5, 0.55) 58%,
      rgba(5, 5, 5, 0) 100%
    );
  }

  .portal-brand {
    top: 0.9rem;
  }

  .panel h1 {
    font-size: clamp(1.7rem, 7.2vw, 2.6rem);
    white-space: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .portal,
  .panel-bg,
  .panel-portrait,
  .panel-cta,
  .split-line {
    transition: none !important;
  }
}

/* Language switcher on portal */
.portal-lang {
  position: absolute;
  top: 1.35rem;
  right: 1.35rem;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem;
  border-radius: 999px;
  border: 1px solid rgba(28, 24, 20, 0.12);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.portal-lang button {
  min-width: 2.1rem;
  min-height: 1.85rem;
  padding: 0.2rem 0.45rem;
  border-radius: 999px;
  border: 0;
  font-family: "PT Sans", Arial, Helvetica, sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: rgba(28,24,20,0.45);
  background: transparent;
  cursor: pointer;
}

.portal-lang button.is-active {
  color: #0a0a0a;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

@media (max-width: 820px) {
  .portal-lang {
    top: 0.9rem;
    right: 0.9rem;
  }
}