/* style.css — RCM Solutions design system
   Look and feel after Dubai Future Week (visual reference only):
   floating dark pill nav, bold grotesk + serif italic pairings,
   light editorial sections with a deep indigo colour-block. */

:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-hero: clamp(2.5rem, 0.5rem + 6vw, 5.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Fonts */
  --font-body: 'General Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'General Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1.25rem;
  --radius-full: 9999px;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 640px;
  --content-default: 1080px;
}

/* ---------- Light theme (default) ---------- */
:root,
[data-theme='light'] {
  --color-bg: #F9F7F4;
  --color-surface: #FDFDFD;
  --color-surface-offset: #EFEDE8;
  --color-ink: #26313C;
  --color-ink-muted: #405666;
  --color-ink-faint: #6E7E8A;
  --color-ink-inverse: #FDFDFD;
  --color-pill-bg: rgba(35, 46, 56, 0.92);
  --color-pill-text: #FDFDFD;
  --color-indigo: #2D3D48;
  --color-indigo-deep: #242F39;
  --color-accent: #28CDA0;
  --color-accent-strong: #128A66;
  --color-accent-hover: #3BD9AF;
  --color-accent-ink: #17242E;
  --color-serif-accent: #0F8A66;
  --color-border: #E3E0DA;
  --color-rule: #D9D5CE;
}

/* ---------- Dark theme ---------- */
[data-theme='dark'] {
  --color-bg: #1B232B;
  --color-surface: #222C35;
  --color-surface-offset: #27323C;
  --color-ink: #ECEBE7;
  --color-ink-muted: #A3AFB8;
  --color-ink-faint: #74828C;
  --color-ink-inverse: #1B232B;
  --color-pill-bg: rgba(16, 21, 26, 0.92);
  --color-pill-text: #FDFDFD;
  --color-indigo: #232E38;
  --color-indigo-deep: #1B242C;
  --color-accent: #35D6AC;
  --color-accent-strong: #5CE3C0;
  --color-accent-hover: #45DDB6;
  --color-accent-ink: #10201A;
  --color-serif-accent: #57DFB8;
  --color-border: #333F49;
  --color-rule: #2B3640;
}

/* ---------- Floating pill header ---------- */
.site-header {
  position: sticky;
  top: var(--space-4);
  z-index: 50;
  display: flex;
  justify-content: center;
  padding-inline: var(--space-4);
}

.pill {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  width: min(var(--content-default), 100%);
  padding: var(--space-2) var(--space-3) var(--space-2) var(--space-5);
  background: var(--color-pill-bg);
  color: var(--color-pill-text);
  border-radius: var(--radius-full);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 28px oklch(0.2 0.01 270 / 0.18);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: inherit;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  width: 34px;
  height: 34px;
  flex: none;
}

.brand-name {
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.01em;
}

.pill-nav {
  display: flex;
  gap: var(--space-5);
  margin-inline: auto;
}

.pill-nav a {
  color: rgba(247, 246, 240, 0.78);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
}

.pill-nav a:hover {
  color: var(--color-pill-text);
}

.pill-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.pill-actions button {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  color: rgba(247, 246, 240, 0.78);
}

.pill-actions button:hover {
  color: var(--color-pill-text);
  background: rgba(247, 246, 240, 0.12);
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.55em 1.25em;
  background: var(--color-accent);
  color: var(--color-accent-ink);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.cta:hover {
  background: var(--color-accent-hover);
}

.cta-large {
  padding: 0.8em 1.6em;
  font-size: var(--text-base);
}

/* ---------- Hero (animated wave background) ---------- */
.hero {
  position: relative;
  padding: calc(var(--space-16) + var(--space-10)) 0 0;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img,
.hero-bg video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 85% 95% at 50% 50%,
    color-mix(in oklab, var(--color-bg) 85%, transparent) 0%,
    color-mix(in oklab, var(--color-bg) 38%, transparent) 55%,
    color-mix(in oklab, var(--color-bg) 10%, transparent) 100%
  );
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(var(--content-default), 100% - var(--space-10));
  margin-inline: auto;
  min-height: min(72vh, 620px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.kicker {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--color-ink-faint);
  margin-bottom: var(--space-5);
}

.hero-copy .kicker {
  margin-inline: auto;
}

.kicker-light {
  color: rgba(234, 233, 225, 0.6);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-hero);
  letter-spacing: -0.02em;
  line-height: 1.02;
}

.hero-title em,
h2 em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  color: var(--color-serif-accent);
  letter-spacing: 0;
}

.lede {
  margin-top: var(--space-6);
  margin-inline: auto;
  font-size: var(--text-lg);
  color: var(--color-ink-muted);
  max-width: 46ch;
}

.hero-actions {
  margin-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.hero-copy {
  max-width: 52rem;
  margin-inline: auto;
}

.text-link {
  color: var(--color-ink);
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
  border-bottom: 1.5px solid var(--color-accent-strong);
  padding-bottom: 2px;
}

.text-link:hover {
  border-bottom-color: var(--color-ink);
}

.hero-strip {
  position: relative;
  z-index: 1;
  margin-top: var(--space-10);
  background: var(--color-bg);
  border-top: 1px solid var(--color-rule);
  border-bottom: 1px solid var(--color-rule);
  padding: var(--space-3) 0;
}

.hero-strip p {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: baseline;
  gap: 0.4rem 1.75rem;
  max-width: none;
  width: 100%;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-ink-faint);
  margin: 0;
}

.hero-strip span:not(:last-child)::after {
  content: '·';
  margin-left: 1.75rem;
  color: var(--color-ink-faint);
}

/* ---------- Sections ---------- */
.section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}

.section-head {
  width: min(var(--content-default), 100% - var(--space-10));
  margin-inline: auto;
  margin-bottom: var(--space-12);
}

h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-xl);
  letter-spacing: -0.015em;
  max-width: 22ch;
}

/* ---------- Services cards ---------- */
.cards {
  width: min(var(--content-default), 100% - var(--space-10));
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.card-index {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--color-accent-strong);
}

.card h3 {
  font-size: var(--text-lg);
  font-weight: 600;
}

.card p {
  color: var(--color-ink-muted);
  font-size: var(--text-base);
}

/* ---------- Acquisition (indigo block) ---------- */
.acquire {
  background: var(--color-indigo);
  color: #EAE9E1;
  border-radius: clamp(var(--radius-lg), 3vw, 2.5rem);
  width: min(calc(var(--content-default) + var(--space-16)), 100% - var(--space-6));
  margin-inline: auto;
  overflow: hidden;
}

.acquire-media img {
  width: 100%;
  height: clamp(240px, 40vw, 460px);
  object-fit: cover;
}

.acquire-copy {
  padding: clamp(var(--space-8), 4vw, var(--space-16)) clamp(var(--space-6), 5vw, var(--space-16)) clamp(var(--space-10), 5vw, var(--space-20));
  max-width: 62ch;
}

.acquire-copy .kicker {
  margin-bottom: var(--space-4);
}

.acquire-copy h2 {
  color: #F7F6F0;
  max-width: 18ch;
}

.acquire-copy h2 em {
  color: var(--color-accent);
}

.acquire-copy p {
  margin-top: var(--space-5);
  color: rgba(234, 233, 225, 0.82);
}

.acquire-note {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--text-lg);
  color: #EAE9E1;
}

/* ---------- Ethos pull quote ---------- */
.ethos blockquote {
  width: min(var(--content-narrow), 100% - var(--space-10));
  margin-inline: auto;
  text-align: center;
}

.ethos blockquote p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.4rem, 1rem + 1.6vw, 2.2rem);
  line-height: 1.3;
  text-wrap: balance;
  color: var(--color-ink);
}

/* ---------- Contact ---------- */
.contact {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.contact-grid {
  width: min(var(--content-default), 100% - var(--space-10));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: start;
}

.contact-copy p:last-of-type {
  margin-top: var(--space-5);
  color: var(--color-ink-muted);
  font-size: var(--text-base);
}

/* Form, styled to the host site */
.fc-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.fc-form label {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-ink);
}

.fc-form input,
.fc-form textarea {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75em 1em;
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-ink);
}

.fc-form input::placeholder,
.fc-form textarea::placeholder {
  color: var(--color-ink-faint);
}

.fc-form input:focus,
.fc-form textarea:focus {
  outline: none;
  border-color: var(--color-accent-strong);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--color-accent) 55%, transparent);
}

.fc-form textarea {
  resize: vertical;
  min-height: 7.5em;
}

.fc-form button[type='submit'] {
  align-self: flex-start;
  padding: 0.8em 1.6em;
  background: var(--color-accent);
  color: var(--color-accent-ink);
  border-radius: var(--radius-full);
  font-size: var(--text-base);
  font-weight: 600;
}

.fc-form button[type='submit']:hover {
  background: var(--color-accent-hover);
}

.fc-form button[type='submit']:disabled {
  opacity: 0.6;
  cursor: wait;
}

.fc-msg {
  font-size: var(--text-sm);
  font-weight: 500;
}

.fc-msg.fc-ok {
  color: #4B7A3A;
}

.fc-msg.fc-err {
  color: #B0413E;
}

/* ---------- Footer ---------- */
.site-footer {
  padding-block: var(--space-16) var(--space-10);
}

.footer-inner {
  width: min(var(--content-default), 100% - var(--space-10));
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  border-top: 1px solid var(--color-rule);
  padding-top: var(--space-8);
}

.footer-brand-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.footer-mark {
  width: 44px;
  height: 44px;
  flex: none;
}

.footer-brand {
  font-weight: 600;
  font-size: var(--text-base);
}

.footer-inner p:not(.footer-brand) {
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
}

.footer-meta {
  margin-top: var(--space-2);
  color: var(--color-ink-faint);
  font-size: var(--text-xs);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .pill {
    gap: var(--space-4);
  }
  .pill-nav {
    display: none;
  }
  .hero-inner {
    min-height: min(64vh, 560px);
    align-items: flex-end;
    padding-bottom: var(--space-8);
    text-align: center;
  }
  .hero-bg::after {
    background: linear-gradient(
      to bottom,
      color-mix(in oklab, var(--color-bg) 55%, transparent) 0%,
      color-mix(in oklab, var(--color-bg) 82%, transparent) 55%,
      color-mix(in oklab, var(--color-bg) 96%, transparent) 100%
    );
  }
  .lede {
    max-width: none;
  }
  .cards {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-bg video {
    display: none;
  }
  .hero-poster {
    animation: none !important;
  }
}

/* Fallback: if the browser will not play the background video, drift the
   poster image slowly instead so the hero always has motion. */
.hero-video-stalled .hero-bg video {
  display: none;
}

.hero-video-stalled .hero-poster {
  animation: hero-drift 26s ease-in-out infinite alternate;
  will-change: transform;
}

@keyframes hero-drift {
  from {
    transform: scale(1) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.14) translate3d(-2.5%, -1.5%, 0);
  }
}

@media (max-width: 480px) {
  .brand-name {
    display: none;
  }
  .cta {
    padding: 0.55em 1em;
  }
  .hero-actions {
    gap: var(--space-4);
  }
}