/* ==========================================================================
   RKINVESTMENTS.VIP — main stylesheet
   ========================================================================== */

/* ----- Base ----- */

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: 0.005em;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: -400px;
  left: 50%;
  transform: translateX(-50%);
  width: 1400px;
  height: 1000px;
  background: radial-gradient(
    ellipse at center,
    rgba(201, 169, 97, 0.10) 0%,
    rgba(201, 169, 97, 0.02) 40%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: overlay;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 2;
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 8px;
  background: var(--color-gold);
  color: var(--color-bg);
  padding: 12px 20px;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 500;
  z-index: 200;
  border-radius: 2px;
  transition: top 0.3s var(--ease-out);
}
.skip-link:focus { top: 8px; }

/* ----- Header ----- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 11, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  transition: opacity 0.4s var(--ease-out);
}
.header-brand:hover { opacity: 0.85; }

.header-logo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.header-mark {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-text);
}

.header-nav { display: flex; gap: 36px; }

.header-nav a {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  position: relative;
  padding: 8px 0;
  transition: color 0.4s var(--ease-out);
}

.header-nav a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width 0.4s var(--ease-out);
}
.header-nav a:hover { color: var(--color-gold); }
.header-nav a:hover::after { width: 100%; }

@media (max-width: 720px) {
  .header-mark { display: none; }
  .header-nav { gap: 18px; }
  .header-nav a { font-size: 10px; letter-spacing: 0.2em; }
}

/* ----- Hero ----- */

.hero {
  padding: 120px 0 100px;
  text-align: center;
  position: relative;
}

.hero-inner { max-width: 760px; margin: 0 auto; }

.hero-logo {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  margin: 0 auto 56px;
  filter: drop-shadow(0 24px 60px rgba(201, 169, 97, 0.28));
}

.hero-eyebrow {
  font-size: 11px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: 600;
  margin-bottom: 32px;
}

.hero-name {
  font-family: var(--font-serif);
  font-size: clamp(56px, 9vw, 120px);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.025em;
  margin-bottom: 28px;
}

.hero-name em {
  font-style: italic;
  color: var(--color-gold);
  font-weight: 300;
}

.hero-tagline {
  font-size: 13px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  font-weight: 500;
  margin-bottom: 40px;
}

.hero-divider {
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
  margin: 0 auto 40px;
}

.hero-bio {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 300;
  font-style: italic;
  line-height: 1.5;
  color: var(--color-text-secondary);
  max-width: 620px;
  margin: 0 auto;
}

@media (max-width: 640px) {
  .hero { padding: 60px 0 60px; }
  .hero-logo { width: 140px; height: 140px; margin-bottom: 36px; }
  .hero-name { letter-spacing: -0.02em; }
}

/* ----- Section header ----- */

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-bottom: 24px;
  margin-bottom: 64px;
  border-bottom: 1px solid var(--color-border);
  gap: 24px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.section-title em {
  font-style: italic;
  color: var(--color-gold);
  font-weight: 300;
}

.section-meta {
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  font-weight: 500;
  white-space: nowrap;
  padding-bottom: 12px;
}

@media (max-width: 640px) {
  .section-header { flex-direction: column; align-items: flex-start; gap: 12px; margin-bottom: 40px; }
  .section-meta { padding-bottom: 0; }
}

/* ----- About ----- */

.about { padding: 100px 0; }

.about-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 64px;
  align-items: start;
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 56px; }
}

.about-portrait { position: relative; aspect-ratio: 1; max-width: 480px; }

.about-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 4px;
  filter: saturate(0.9) contrast(1.05);
  position: relative;
  z-index: 2;
}

.about-portrait-frame {
  position: absolute;
  top: 16px;
  left: 16px;
  right: -16px;
  bottom: -16px;
  border: 1px solid var(--color-gold);
  border-radius: 4px;
  z-index: 1;
  pointer-events: none;
}

.about-copy { padding-top: 24px; }

.about-lead {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 400;
  line-height: 1.35;
  color: var(--color-text);
  margin-bottom: 32px;
  letter-spacing: -0.01em;
}

.about-copy p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  max-width: 560px;
}

.about-facts {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px 24px;
}

.about-facts > div { display: flex; flex-direction: column; gap: 6px; }

.about-facts dt {
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  font-weight: 600;
}

.about-facts dd {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.4;
}

/* ----- Flagships ----- */

.flagships { padding: 100px 0; }

.flagship-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

@media (max-width: 900px) { .flagship-grid { grid-template-columns: 1fr; } }

.flagship-card {
  position: relative;
  background: linear-gradient(180deg, var(--color-bg-card) 0%, var(--color-bg-elevated) 100%);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
  transition: border-color 0.6s var(--ease-out), transform 0.6s var(--ease-out);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.flagship-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 5%, var(--color-gold) 50%, transparent 95%);
  opacity: 0.5;
  z-index: 3;
}

.flagship-card:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-4px);
}

.flagship-image {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-deepest);
}

.flagship-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-out);
  display: block;
}

.flagship-card:hover .flagship-image img { transform: scale(1.04); }

.flagship-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(10, 10, 11, 0.5) 100%);
  pointer-events: none;
}

.flagship-content {
  padding: 40px 40px 36px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.flagship-tag {
  font-size: 10px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: 600;
  margin-bottom: 24px;
}

.flagship-name {
  font-family: var(--font-serif);
  font-size: clamp(30px, 3.5vw, 44px);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 6px;
  letter-spacing: -0.015em;
}

.flagship-byline {
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  font-weight: 500;
  margin-bottom: 20px;
}

.flagship-blurb {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 19px;
  line-height: 1.5;
  color: var(--color-gold);
  font-weight: 400;
  margin-bottom: 20px;
}

.flagship-description {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: 28px;
  flex: 1;
}

.flagship-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  padding-top: 24px;
  margin-bottom: 24px;
  border-top: 1px solid var(--color-border);
}

.flagship-meta li {
  position: relative;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  padding-left: 14px;
  font-weight: 500;
}

.flagship-meta li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  background: var(--color-gold);
  border-radius: 50%;
}

.flagship-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: 600;
  margin-top: auto;
  align-self: flex-start;
  padding-top: 8px;
  transition: color 0.3s var(--ease-out);
}

.flagship-card:hover .flagship-cta { color: var(--color-gold-bright); }

@media (max-width: 640px) {
  .flagship-content { padding: 32px 28px 28px; }
}

/* ----- Portfolio (all cards uniformly image-led) ----- */

.portfolio { padding: 100px 0 140px; }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.venture-card {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  transition: border-color 0.4s var(--ease-out),
              background 0.4s var(--ease-out),
              transform 0.4s var(--ease-out);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.venture-card:hover {
  border-color: var(--color-border-strong);
  background: var(--color-bg-card-hover);
  transform: translateY(-2px);
}

.venture-image {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-deepest);
  border-bottom: 1px solid var(--color-border);
}

.venture-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease-out);
  display: block;
}

.venture-card:hover .venture-image img { transform: scale(1.04); }

.venture-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 65%, rgba(10, 10, 11, 0.4) 100%);
  pointer-events: none;
}

.venture-card-body {
  padding: 28px 28px 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.venture-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 4px;
  line-height: 1.25;
  letter-spacing: -0.005em;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.venture-tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 9px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  padding: 3px 8px;
  border: 1px solid var(--color-border-strong);
  border-radius: 2px;
  font-weight: 600;
}

.venture-byline {
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  font-weight: 500;
  margin-bottom: 14px;
}

.venture-description {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 22px;
  flex: 1;
}

.venture-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: 600;
  margin-top: auto;
  align-self: flex-start;
  transition: color 0.3s var(--ease-out);
}

.venture-card:hover .venture-cta { color: var(--color-gold-bright); }

/* ----- Footer ----- */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 64px 0 48px;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-deepest) 100%);
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
}

.footer-brand { display: flex; align-items: center; gap: 20px; }

.footer-logo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  flex-shrink: 0;
}

.footer-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 4px;
}

.footer-tagline {
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  font-weight: 500;
}

.footer-meta { text-align: right; }

.footer-signature {
  font-family: var(--font-serif);
  font-size: 15px;
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.footer-signature span { color: var(--color-gold); }

.footer-copy {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  font-weight: 500;
}

@media (max-width: 640px) {
  .footer-grid { justify-content: center; text-align: center; }
  .footer-meta { text-align: center; }
  .footer-brand { flex-direction: column; gap: 12px; text-align: center; }
}