/* ============================================
   TimeUs Holdings — Premium Design System
   Benchmark: Rockefeller × Marshall Wace
   ============================================ */

/* ===== CSS Variables (Design Tokens) ===== */
:root {
  /* — Colors — */
  --navy:          #0A1628;
  --navy-deep:     #060E1A;
  --charcoal:      #0F1D2F;
  --charcoal-card: #141F33;
  --slate:         #1A2A42;
  --warm-white:    #F7F5F0;
  --warm-white-2:  #EDE9E1;
  --cream:         #FAF8F4;

  --gold:          #B8976A;
  --gold-light:    #D4BC8A;
  --gold-soft:     #C9A96E;
  --gold-dim:      rgba(184, 151, 106, 0.15);

  --text-dark:     #1A1A2E;
  --text-dark-2:   #2D2D44;
  --text-light:    #E8E4DD;
  --text-light-2:  #C5BFB4;
  --text-muted:    #8A9BB5;
  --text-muted-dk: #5A6A80;

  --divider-dark:  rgba(184, 151, 106, 0.12);
  --divider-light: rgba(26, 26, 46, 0.08);

  /* — Typography — */
  --font-serif:    'Cormorant Garamond', 'Noto Serif KR', Georgia, serif;
  --font-sans:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-serif-kr: 'Noto Serif KR', serif;

  /* — Spacing — */
  --section-pad:   clamp(80px, 10vw, 140px);
  --container-max: 1200px;
  --nav-height:    72px;

  /* — Transitions — */
  --ease-out:      cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring:   cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0; padding: 0; box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--navy);
  color: var(--text-muted);
  line-height: 1.7;
  overflow-x: hidden;
}

::selection {
  background: var(--gold);
  color: var(--navy);
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(24px, 4vw, 48px);
}

.hidden { display: none !important; }

/* ===== Scroll Progress Bar ===== */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
  z-index: 10001;
  width: 0%;
  transition: width 0.08s linear;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: all 0.5s var(--ease-out);
  background: transparent;
}

.nav--scrolled {
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--divider-dark);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(24px, 4vw, 48px);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0;
  transition: opacity 0.3s;
}

.nav-logo:hover { opacity: 0.8; }

.nav-logo-img {
  height: 36px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: filter 0.4s;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(24px, 3vw, 48px);
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--text-light-2);
  transition: color 0.3s var(--ease-out);
  position: relative;
  padding: 4px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.4s var(--ease-out);
}

.nav-link:hover,
.nav-link--active {
  color: var(--gold-light);
}

.nav-link:hover::after,
.nav-link--active::after {
  width: 100%;
}

/* Mobile Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text-light);
  transition: all 0.3s var(--ease-out);
  transform-origin: center;
}

.nav-toggle--active span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-toggle--active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle--active span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}


/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--navy-deep);
}

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

.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 40%, rgba(184, 151, 106, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 20% 80%, rgba(10, 22, 40, 0.9) 0%, transparent 50%),
    radial-gradient(ellipse 60% 80% at 80% 80%, rgba(10, 22, 40, 0.9) 0%, transparent 50%),
    linear-gradient(180deg, var(--navy-deep) 0%, rgba(15, 29, 47, 0.6) 40%, var(--navy-deep) 100%);
}

/* Animated subtle grid lines */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(184, 151, 106, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184, 151, 106, 0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  animation: gridSlide 30s linear infinite;
}

@keyframes gridSlide {
  0% { transform: translate(0, 0); }
  100% { transform: translate(80px, 80px); }
}

/* Thin decorative lines */
.hero-bg::after {
  content: '';
  position: absolute;
  top: 15%;
  left: -10%;
  width: 120%;
  height: 70%;
  background:
    linear-gradient(32deg, transparent 49.5%, rgba(184, 151, 106, 0.04) 49.5%, rgba(184, 151, 106, 0.04) 50.5%, transparent 50.5%),
    linear-gradient(-15deg, transparent 49.5%, rgba(184, 151, 106, 0.03) 49.5%, rgba(184, 151, 106, 0.03) 50.5%, transparent 50.5%);
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
}

.hero-logo-mark {
  margin: 0 auto 40px;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: heroLogoIn 1.2s var(--ease-out) 0.2s both;
}

.hero-logo-img {
  width: 100%;
  height: auto;
  filter: brightness(0) invert(1) drop-shadow(0 0 30px rgba(184, 151, 106, 0.15));
  opacity: 0.9;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 6vw, 5.2rem);
  font-weight: 600;
  color: #FFFFFF;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  animation: heroFadeUp 1s var(--ease-out) 0.4s both;
}

.hero-tagline {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.2vw, 1.7rem);
  font-weight: 400;
  color: var(--gold-light);
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  animation: heroFadeUp 1s var(--ease-out) 0.6s both;
}

.hero-tagline em {
  font-style: italic;
}

.hero-line {
  width: 48px;
  height: 1px;
  background: var(--gold);
  margin: 0 auto 20px;
  opacity: 0.4;
  animation: heroFadeUp 1s var(--ease-out) 0.7s both;
}

.hero-sub {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  font-weight: 500;
  color: var(--text-light-2);
  letter-spacing: 0.18em;
  animation: heroFadeUp 1s var(--ease-out) 0.8s both;
}

/* Scroll Indicator */
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  animation: heroFadeUp 1s var(--ease-out) 1.2s both;
}

.hero-scroll-text {
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  color: var(--text-muted);
  transition: color 0.3s;
}

.hero-scroll:hover .hero-scroll-text {
  color: var(--gold);
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 0.8; transform: scaleY(1.3); }
}

@keyframes heroLogoIn {
  0% { opacity: 0; transform: scale(0.7); }
  100% { opacity: 1; transform: scale(1); }
}

@keyframes heroFadeUp {
  0% { opacity: 0; transform: translateY(24px); }
  100% { opacity: 1; transform: translateY(0); }
}


/* ===== SECTION COMMON ===== */
.section {
  padding: var(--section-pad) 0;
  position: relative;
}

.section--light {
  background: var(--warm-white);
  color: var(--text-dark);
}

.section--dark {
  background: var(--navy);
  color: var(--text-light);
}

.section--charcoal {
  background: var(--charcoal);
  color: var(--text-light);
}

/* Section Header */
.section-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: clamp(40px, 5vw, 64px);
}

.section-label {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  color: var(--gold);
  white-space: nowrap;
}

.section-label--light {
  color: var(--gold-light);
}

.section-line {
  flex: 1;
  height: 1px;
  background: var(--divider-light);
}

.section-line--light {
  background: var(--divider-dark);
}


/* ===== PHILOSOPHY ===== */
.philosophy-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: start;
  margin-bottom: clamp(60px, 8vw, 100px);
}

.philosophy-title {
  font-family: var(--font-sans);
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  font-weight: 500;
  line-height: 1.35;
  color: var(--text-dark);
  letter-spacing: -0.01em;
}

.philosophy-desc {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  font-weight: 300;
  line-height: 1.9;
  color: var(--text-dark-2);
  margin-bottom: 20px;
}

.philosophy-desc-sub {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--text-muted-dk);
}

/* Philosophy Cards */
.philosophy-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 3vw, 36px);
}

.philosophy-card {
  background: var(--cream);
  border: 1px solid rgba(184, 151, 106, 0.1);
  border-radius: 4px;
  padding: clamp(32px, 3vw, 48px) clamp(24px, 2.5vw, 36px);
  text-align: center;
  transition: all 0.5s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.philosophy-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0;
  transition: opacity 0.5s;
}

.philosophy-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(184, 151, 106, 0.08);
  border-color: rgba(184, 151, 106, 0.2);
}

.philosophy-card:hover::before {
  opacity: 1;
}

.philosophy-card-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 24px;
  color: var(--gold);
}

.philosophy-card-icon svg {
  width: 100%;
  height: 100%;
}

.philosophy-card-title {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.philosophy-card-en {
  font-family: var(--font-serif);
  font-size: 0.82rem;
  font-weight: 400;
  font-style: italic;
  color: var(--gold);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.philosophy-card-line {
  width: 28px;
  height: 1px;
  background: var(--gold);
  margin: 0 auto 16px;
  opacity: 0.3;
}

.philosophy-card-desc {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--text-muted-dk);
  line-height: 1.8;
}


/* ===== INVESTMENT ===== */
.investment-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  font-weight: 400;
  color: var(--text-light);
  text-align: center;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.investment-subtitle {
  font-family: var(--font-serif);
  font-size: clamp(0.9rem, 1.2vw, 1.1rem);
  font-weight: 300;
  font-style: italic;
  color: var(--gold);
  text-align: center;
  letter-spacing: 0.06em;
  margin-bottom: clamp(48px, 6vw, 80px);
}

.investment-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.5vw, 28px);
}

.investment-card {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  transition: transform 0.5s var(--ease-out), box-shadow 0.5s;
  cursor: default;
  --mouse-x: 50%;
  --mouse-y: 50%;
  background: linear-gradient(165deg, var(--charcoal-card) 0%, rgba(15, 29, 47, 0.95) 100%);
  border: 1px solid rgba(184, 151, 106, 0.12);
}

.investment-card-border,
.investment-card-glow {
  display: none;
}

.investment-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 6px;
  background: radial-gradient(
    400px circle at var(--mouse-x) var(--mouse-y),
    rgba(184, 151, 106, 0.08),
    transparent 50%
  );
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
  z-index: 0;
}

.investment-card:hover::before {
  opacity: 1;
}

.investment-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.3), 0 0 40px rgba(184, 151, 106, 0.05);
  border-color: rgba(184, 151, 106, 0.3);
}

.investment-card-content {
  position: relative;
  z-index: 1;
  padding: clamp(36px, 3.5vw, 52px) clamp(28px, 2.5vw, 40px);
  min-height: 320px;
  display: flex;
  flex-direction: column;
}

.investment-card-number {
  font-family: var(--font-serif);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--gold);
  letter-spacing: 0.1em;
  opacity: 0.5;
  margin-bottom: 24px;
}

.investment-card-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 2.5vw, 2.4rem);
  font-weight: 400;
  color: var(--text-light);
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.investment-card-full {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  font-weight: 300;
  font-style: italic;
  color: var(--gold);
  letter-spacing: 0.03em;
}

.investment-card-divider {
  width: 32px;
  height: 1px;
  background: var(--gold);
  opacity: 0.35;
  margin: 24px 0;
}

.investment-card-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
}

.investment-card-list li {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
}

.investment-card-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 1px;
  background: var(--gold);
  opacity: 0.5;
}


/* ===== INSIGHTS (News & Board) ===== */
.insights-title {
  font-family: var(--font-sans);
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  font-weight: 500;
  color: var(--text-dark);
  text-align: center;
  margin-bottom: 8px;
}

.insights-subtitle {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 300;
  color: var(--text-muted-dk);
  text-align: center;
  margin-bottom: clamp(32px, 4vw, 48px);
}

/* Tabs */
.insights-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: clamp(32px, 4vw, 48px);
  flex-wrap: wrap;
}

.insights-tab {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  padding: 8px 20px;
  border: 1px solid var(--divider-light);
  border-radius: 100px;
  background: transparent;
  color: var(--text-muted-dk);
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
}

.insights-tab:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.insights-tab--active {
  background: var(--text-dark);
  border-color: var(--text-dark);
  color: var(--warm-white);
}

/* Insights Cards */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2.5vw, 28px);
}

.insights-card {
  background: var(--cream);
  border: 1px solid rgba(0, 0, 0, 0.04);
  border-radius: 4px;
  padding: clamp(28px, 2.5vw, 36px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.4s var(--ease-out);
  cursor: pointer;
  position: relative;
}

.insights-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}

.insights-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.06);
  border-color: rgba(184, 151, 106, 0.15);
}

.insights-card:hover::after {
  transform: scaleX(1);
}

.insights-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.insights-card-category {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--gold);
  text-transform: uppercase;
  padding: 3px 10px;
  background: var(--gold-dim);
  border-radius: 2px;
}

.insights-card-date {
  font-size: 0.72rem;
  color: var(--text-muted-dk);
  font-weight: 300;
}

.insights-card-title {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-dark);
  line-height: 1.5;
  margin: 4px 0;
}

.insights-card-excerpt {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--text-muted-dk);
  line-height: 1.7;
  flex: 1;
}

.insights-card-arrow {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--gold);
  opacity: 0;
  transform: translateX(-8px);
  transition: all 0.3s var(--ease-out);
  align-self: flex-end;
}

.insights-card:hover .insights-card-arrow {
  opacity: 1;
  transform: translateX(0);
}


/* ===== CONTACT FORM ===== */
.contact-title {
  font-family: var(--font-sans);
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  font-weight: 500;
  color: var(--text-light);
  text-align: center;
  margin-bottom: 8px;
}

.contact-subtitle {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 300;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: clamp(40px, 5vw, 64px);
}

.contact-form {
  max-width: 720px;
  margin: 0 auto;
}

.contact-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.contact-form-group {
  margin-bottom: 24px;
}

.contact-form-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--text-light-2);
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.contact-form-label span {
  color: var(--gold);
}

.contact-form-input {
  width: 100%;
  padding: 14px 18px;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 300;
  color: var(--text-light);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  outline: none;
  transition: all 0.3s var(--ease-out);
  -webkit-appearance: none;
  appearance: none;
}

.contact-form-input::placeholder {
  color: var(--text-muted-dk);
}

.contact-form-input:focus {
  border-color: var(--gold);
  background: rgba(184, 151, 106, 0.04);
  box-shadow: 0 0 0 3px rgba(184, 151, 106, 0.08);
}

.contact-form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238A9BB5' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.contact-form-select option {
  background: var(--charcoal);
  color: var(--text-light);
}

.contact-form-textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-form-privacy {
  margin-bottom: 32px;
}

.contact-form-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.contact-form-checkbox input {
  display: none;
}

.contact-form-checkmark {
  width: 18px;
  height: 18px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
  flex-shrink: 0;
}

.contact-form-checkbox input:checked + .contact-form-checkmark {
  background: var(--gold);
  border-color: var(--gold);
}

.contact-form-checkbox input:checked + .contact-form-checkmark::after {
  content: '';
  width: 5px;
  height: 9px;
  border-right: 1.5px solid var(--navy);
  border-bottom: 1.5px solid var(--navy);
  transform: rotate(45deg) translate(-1px, -1px);
}

.contact-form-submit {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 40px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--navy);
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.contact-form-submit::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--gold), #D4BC8A);
  opacity: 0;
  transition: opacity 0.4s;
}

.contact-form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(184, 151, 106, 0.25);
}

.contact-form-submit:hover::before {
  opacity: 1;
}

.contact-form-submit span,
.contact-form-submit svg {
  position: relative;
  z-index: 1;
}

.contact-form-submit svg {
  width: 18px;
  height: 18px;
  transition: transform 0.3s;
}

.contact-form-submit:hover svg {
  transform: translateX(4px);
}


/* ===== FOOTER ===== */
.footer {
  background: var(--navy-deep);
  padding: 60px 0 40px;
  border-top: 1px solid var(--divider-dark);
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(24px, 4vw, 48px);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-logo-img {
  height: 32px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.6;
}

.footer-brand-text {
  display: flex;
  flex-direction: column;
}

.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text-light-2);
  letter-spacing: 0.06em;
}

.footer-brand-tagline {
  font-family: var(--font-serif);
  font-size: 0.72rem;
  font-weight: 300;
  font-style: italic;
  color: var(--text-muted-dk);
  letter-spacing: 0.04em;
}

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-links a {
  font-size: 0.75rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--text-muted-dk);
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--gold);
}

.footer-divider {
  height: 1px;
  background: var(--divider-dark);
  margin-bottom: 24px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copyright {
  font-size: 0.7rem;
  font-weight: 300;
  color: var(--text-muted-dk);
  letter-spacing: 0.04em;
}

.footer-url {
  font-size: 0.72rem;
  font-weight: 300;
  color: var(--text-muted-dk);
  letter-spacing: 0.04em;
  transition: color 0.3s;
}

.footer-url:hover {
  color: var(--gold);
}


/* ===== SCROLL REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal--visible {
  opacity: 1;
  transform: translateY(0);
}


/* ===== ACCESSIBILITY ===== */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}


/* ===== RESPONSIVE ===== */

/* Tablet */
@media (max-width: 1024px) {
  .philosophy-split {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .philosophy-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .investment-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .investment-card-content {
    min-height: 280px;
  }

  .insights-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --nav-height: 60px;
  }

  /* Nav Mobile */
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 0; right: 0;
    width: min(320px, 85vw);
    height: 100vh;
    background: rgba(10, 22, 40, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease-out);
    z-index: 999;
  }

  .nav-links--open {
    transform: translateX(0);
  }

  .nav-link {
    font-size: 0.9rem;
    letter-spacing: 0.2em;
  }

  /* Hero */
  .hero-logo-mark {
    width: 70px;
    height: 70px;
    margin-bottom: 24px;
  }

  /* Philosophy */
  .philosophy-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .philosophy-card {
    padding: 28px 24px;
  }

  /* Investment */
  .investment-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .investment-card-content {
    min-height: auto;
    padding: 32px 28px;
  }

  /* Insights */
  .insights-grid {
    grid-template-columns: 1fr;
  }

  /* Contact */
  .contact-form-row {
    grid-template-columns: 1fr;
  }

  .contact-form-submit {
    width: 100%;
    justify-content: center;
  }

  /* Footer */
  .footer-top {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }

  .footer-links {
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .philosophy-title {
    font-size: 1.8rem;
  }

  .investment-title,
  .insights-title,
  .contact-title {
    font-size: 1.8rem;
  }

  .insights-tabs {
    gap: 6px;
  }

  .insights-tab {
    padding: 6px 14px;
    font-size: 0.72rem;
  }
}

/* Large desktop */
@media (min-width: 1440px) {
  .hero-logo-mark {
    width: 110px;
    height: 110px;
  }
}