/* ============================================
   AUREVIUM ADVISORS — Design System
   ============================================ */

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

:root {
  /* Color Palette */
  --deep-teal: #0A2E36;
  --mid-teal: #0C4466;
  --accent-gold: #C9A84C;
  --accent-gold-light: #D4B96A;
  --accent-gold-dim: rgba(201, 168, 76, 0.15);
  --text-primary: #1A1A1A;
  --text-secondary: #5A6068;
  --text-tertiary: #8A9099;
  --text-on-dark: #E8E8E8;
  --text-on-dark-muted: #A0ADB8;
  --bg-white: #FFFFFF;
  --bg-warm: #F7F5F2;
  --bg-light: #F0EDEA;
  --border-light: rgba(0, 0, 0, 0.08);
  --border-on-dark: rgba(255, 255, 255, 0.1);

  /* Typography */
  --font-heading: 'DM Serif Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --section-pad-y: clamp(80px, 10vw, 140px);
  --section-pad-x: clamp(24px, 5vw, 80px);
  --max-width: 1200px;
  --max-width-narrow: 800px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease-out);
  --transition-med: 0.4s var(--ease-out);
  --transition-slow: 0.7s var(--ease-out);
}

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

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

/* --- Utility --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--section-pad-x);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

/* --- Reveal Animations --- */
.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);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 var(--section-pad-x);
  transition: background var(--transition-med), box-shadow var(--transition-med), padding var(--transition-med);
}

.nav--scrolled {
  background: rgba(10, 46, 54, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border-on-dark);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  transition: height var(--transition-med);
}

.nav--scrolled .nav__inner {
  height: 60px;
}

.nav__logo {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--bg-white);
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav__logo-mark {
  width: 28px;
  height: 28px;
  background: var(--accent-gold);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--deep-teal);
  font-weight: 700;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav__link {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text-on-dark-muted);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-gold);
  transition: width var(--transition-med);
}

.nav__link:hover {
  color: var(--bg-white);
}

.nav__link:hover::after {
  width: 100%;
}

.nav__cta {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 10px 24px;
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.nav__cta:hover {
  background: var(--accent-gold);
  color: var(--deep-teal);
}

/* Mobile nav */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--bg-white);
  margin: 5px 0;
  transition: all var(--transition-fast);
}

.nav__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

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

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(12, 68, 102, 0.4) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(201, 168, 76, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-on-dark), transparent);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 780px;
  padding-top: 120px;
}

.hero__label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero__label::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--accent-gold);
}

.hero__heading {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 400;
  line-height: 1.2;
  color: var(--bg-white);
  margin-bottom: 28px;
}

.hero__subheading {
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  line-height: 1.75;
  color: var(--text-on-dark-muted);
  max-width: 600px;
  margin-bottom: 48px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: 2px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn--primary {
  background: var(--accent-gold);
  color: var(--deep-teal);
}

.btn--primary:hover {
  background: var(--accent-gold-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(201, 168, 76, 0.3);
}

.btn--ghost {
  background: transparent;
  color: var(--text-on-dark-muted);
  border: 1px solid var(--border-on-dark);
  padding: 13px 32px;
}

.btn--ghost:hover {
  border-color: var(--text-on-dark);
  color: var(--text-on-dark);
}

.btn--dark {
  background: var(--deep-teal);
  color: var(--bg-white);
}

.btn--dark:hover {
  background: var(--mid-teal);
  transform: translateY(-1px);
}

/* ============================================
   SECTION BASE
   ============================================ */
.section {
  padding: var(--section-pad-y) 0;
}

.section--dark {
  background: var(--deep-teal);
  color: var(--text-on-dark);
}

.section--warm {
  background: var(--bg-warm);
}

.section__label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section__label::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--accent-gold);
}

.section--dark .section__label {
  color: var(--accent-gold);
}

.section__heading {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.section--dark .section__heading {
  color: var(--bg-white);
}

.section__intro {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 56px;
}

.section--dark .section__intro {
  color: var(--text-on-dark-muted);
}

/* ============================================
   PRACTICE AREAS
   ============================================ */
.practices__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-light);
  border: 1px solid var(--border-light);
}

.practice-card {
  background: var(--bg-white);
  padding: 48px 40px;
  transition: all var(--transition-med);
  position: relative;
}

.practice-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-med);
}

.practice-card:hover {
  background: var(--bg-warm);
}

.practice-card:hover::before {
  transform: scaleX(1);
}

.practice-card__number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-tertiary);
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.practice-card__title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 400;
  margin-bottom: 16px;
  line-height: 1.3;
}

.practice-card__desc {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--text-secondary);
}

.practice-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 24px;
}

.practice-card__tag {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  background: var(--accent-gold-dim);
  color: var(--accent-gold);
  border-radius: 2px;
}

/* ============================================
   IMPACT / METRICS
   ============================================ */
.impact__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 64px;
}

.impact-stat {
  text-align: left;
}

.impact-stat__number {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 400;
  color: var(--accent-gold);
  margin-bottom: 8px;
  line-height: 1;
}

.impact-stat__label {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-on-dark-muted);
}

.impact__cases {
  border-top: 1px solid var(--border-on-dark);
  padding-top: 56px;
}

.impact__cases-heading {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--bg-white);
  margin-bottom: 36px;
}

.case-studies {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.case-card {
  padding: 36px;
  border: 1px solid var(--border-on-dark);
  border-radius: 2px;
  transition: all var(--transition-med);
}

.case-card:hover {
  border-color: var(--accent-gold);
  background: rgba(201, 168, 76, 0.04);
}

.case-card__industry {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 12px;
}

.case-card__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--bg-white);
  margin-bottom: 12px;
  line-height: 1.35;
}

.case-card__desc {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-on-dark-muted);
  margin-bottom: 20px;
}

.case-card__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.case-card__metric {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-on-dark);
  display: flex;
  align-items: center;
  gap: 6px;
}

.case-card__metric::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent-gold);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ============================================
   INVESTORS / EXPERT NETWORKS
   ============================================ */
.investors__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.investors__text {
  max-width: 480px;
}

.investors__text p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.investors__capabilities {
  list-style: none;
  padding: 0;
}

.investors__capabilities li {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-primary);
  padding: 14px 0;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.investors__capabilities li::before {
  content: '→';
  color: var(--accent-gold);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

.investors__networks {
  padding: 40px;
  background: var(--bg-warm);
  border-radius: 2px;
}

.investors__networks-heading {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.investors__networks-sub {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.6;
}

.investors__network-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.investors__network-list li {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-primary);
  padding: 10px 16px;
  background: var(--bg-white);
  border-radius: 2px;
  border: 1px solid var(--border-light);
}

/* ============================================
   MANAGING PARTNER
   ============================================ */
.partner__content {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 56px;
  align-items: start;
}

.partner__avatar {
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, var(--mid-teal), var(--deep-teal));
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.partner__avatar-initials {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  color: var(--accent-gold);
  opacity: 0.6;
}

.partner__avatar::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gold);
}

.partner__name {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  margin-bottom: 4px;
}

.partner__title {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-gold);
  letter-spacing: 0.06em;
  margin-bottom: 24px;
}

.partner__bio {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.partner__credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.partner__credential {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 14px;
  border: 1px solid var(--border-light);
  border-radius: 2px;
  color: var(--text-secondary);
}

.partner__links {
  display: flex;
  gap: 16px;
  margin-top: 28px;
}

.partner__link {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--mid-teal);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast);
}

.partner__link:hover {
  color: var(--accent-gold);
}

/* ============================================
   CONTACT
   ============================================ */
.contact__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact__text p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-on-dark-muted);
  margin-bottom: 32px;
}

.contact__detail {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-on-dark-muted);
  margin-bottom: 12px;
}

.contact__detail strong {
  color: var(--bg-white);
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-on-dark);
  border-radius: 2px;
  color: var(--bg-white);
  transition: border-color var(--transition-fast);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-on-dark-muted);
  opacity: 0.5;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-gold);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%23A0ADB8' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group select option {
  background: var(--deep-teal);
  color: var(--bg-white);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

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

.contact__form .btn {
  align-self: flex-start;
  margin-top: 8px;
}

.form-success {
  display: none;
  padding: 24px;
  background: rgba(201, 168, 76, 0.1);
  border: 1px solid var(--accent-gold);
  border-radius: 2px;
  text-align: center;
}

.form-success p {
  color: var(--accent-gold);
  font-weight: 500;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border-light);
  background: var(--bg-white);
}

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

.footer__left {
  font-size: 0.78rem;
  color: var(--text-tertiary);
}

.footer__right {
  display: flex;
  gap: 24px;
}

.footer__link {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--text-primary);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .practices__grid {
    grid-template-columns: 1fr;
  }

  .impact__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
  }

  .case-studies {
    grid-template-columns: 1fr;
  }

  .investors__content {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact__content {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 768px) {
  .nav__links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 46, 54, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    padding: 80px 40px;
  }

  .nav__links.open {
    display: flex;
  }

  .nav__link {
    font-size: 1.1rem;
  }

  .nav__cta {
    font-size: 0.85rem;
    padding: 14px 32px;
  }

  .nav__toggle {
    display: block;
    z-index: 1001;
  }

  .hero__content {
    padding-top: 100px;
  }

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

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

  .partner__avatar {
    width: 140px;
    height: 140px;
  }

  .partner__avatar-initials {
    font-size: 2.5rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .investors__network-list {
    grid-template-columns: 1fr;
  }
}