/* ============================================================
   KANOU CAPITAL — Design Tokens & Styles
   Art Direction: Institutional finance, energy transition
   Palette: Deep navy + warm gold accent — distinguished, authoritative
   Typography: Cormorant (display serif) + DM Sans (body sans)
   ============================================================ */

/* --- Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Cormorant:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400;1,500&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  --font-display: 'Cormorant', 'Georgia', serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;

  /* 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-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* Spacing (4px base) */
  --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;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;
}

/* ============================================================
   LIGHT MODE (Default) — Kanou Capital Palette
   Deep navy base, warm ivory surfaces, gold accent
   ============================================================ */
:root, [data-theme="light"] {
  /* Surfaces */
  --color-bg:             #FAFAF7;
  --color-surface:        #FFFFFF;
  --color-surface-2:      #F5F4F0;
  --color-surface-offset: #EEF1F5;
  --color-border:         #D6D9DE;
  --color-divider:        #E2E4E8;

  /* Text */
  --color-text:           #0B1A2E;
  --color-text-muted:     #5A6878;
  --color-text-faint:     #9AA4B0;
  --color-text-inverse:   #FAFAF7;

  /* Navy (Primary structural color) */
  --color-navy:           #0B1A2E;
  --color-navy-light:     #1A2D47;
  --color-navy-dark:      #060F1B;

  /* Gold (Accent) */
  --color-primary:        #B8860B;
  --color-primary-hover:  #9A7009;
  --color-primary-active: #7C5A07;
  --color-primary-highlight: #F5EDD4;

  /* Semantic */
  --color-error:          #A13544;
  --color-success:        #437A22;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(11,26,46,0.06);
  --shadow-md: 0 4px 12px rgba(11,26,46,0.08);
  --shadow-lg: 0 12px 32px rgba(11,26,46,0.12);
}

/* ============================================================
   DARK MODE
   ============================================================ */
[data-theme="dark"] {
  --color-bg:             #0A0F18;
  --color-surface:        #111827;
  --color-surface-2:      #1A2332;
  --color-surface-offset: #0E1520;
  --color-border:         #2A3545;
  --color-divider:        #1F2937;

  --color-text:           #E2E5EA;
  --color-text-muted:     #8B95A5;
  --color-text-faint:     #4B5563;
  --color-text-inverse:   #0B1A2E;

  --color-navy:           #0F1D33;
  --color-navy-light:     #1A2D47;
  --color-navy-dark:      #060F1B;

  --color-primary:        #D4A843;
  --color-primary-hover:  #E0BC60;
  --color-primary-active: #C49530;
  --color-primary-highlight: #2A2310;

  --color-error:          #DD6974;
  --color-success:        #6DAA45;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #0A0F18;
    --color-surface:        #111827;
    --color-surface-2:      #1A2332;
    --color-surface-offset: #0E1520;
    --color-border:         #2A3545;
    --color-divider:        #1F2937;
    --color-text:           #E2E5EA;
    --color-text-muted:     #8B95A5;
    --color-text-faint:     #4B5563;
    --color-text-inverse:   #0B1A2E;
    --color-navy:           #0F1D33;
    --color-navy-light:     #1A2D47;
    --color-navy-dark:      #060F1B;
    --color-primary:        #D4A843;
    --color-primary-hover:  #E0BC60;
    --color-primary-active: #C49530;
    --color-primary-highlight: #2A2310;
    --color-error:          #DD6974;
    --color-success:        #6DAA45;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.4);
  }
}

/* ============================================================
   GLOBAL COMPONENTS
   ============================================================ */

/* --- Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: background 0.3s, box-shadow 0.3s;
}

[data-theme="dark"] .site-header {
  background: rgba(10,15,24,0.92);
}

.site-header__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.site-logo__icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.site-logo__text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.site-logo__tagline {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-primary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.site-nav__links {
  display: flex;
  list-style: none;
  gap: var(--space-6);
}

.site-nav__link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.02em;
  position: relative;
  padding: var(--space-1) 0;
}

.site-nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-primary);
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-nav__link:hover,
.site-nav__link--active {
  color: var(--color-text);
}

.site-nav__link:hover::after,
.site-nav__link--active::after {
  width: 100%;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform 0.3s, opacity 0.3s;
}

/* Theme toggle */
.theme-toggle {
  padding: var(--space-2);
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.theme-toggle:hover {
  color: var(--color-text);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(11,26,46,0.55) 0%,
    rgba(11,26,46,0.70) 100%
  );
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-8) var(--space-6);
  max-width: 780px;
}

.hero__tagline {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

[data-theme="dark"] .hero__tagline,
.hero__tagline {
  color: #D4A843;
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  color: #FFFFFF;
  margin-bottom: var(--space-6);
  letter-spacing: 0.01em;
}

.hero__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: rgba(255,255,255,0.80);
  max-width: 560px;
  margin: 0 auto var(--space-8);
  line-height: 1.7;
}

.hero__cta {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: #FFFFFF;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.4);
  padding: var(--space-3) var(--space-8);
  transition: all 0.3s;
}

.hero__cta:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
}

/* --- Sections --- */
.section {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) var(--space-6);
}

.section--alt {
  background: var(--color-surface-offset);
}

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

.section__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.section__header {
  text-align: center;
  margin-bottom: clamp(var(--space-10), 4vw, var(--space-16));
}

.section__label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

.section--navy .section__title {
  color: #FFFFFF;
}

.section__divider {
  width: 40px;
  height: 1.5px;
  background: var(--color-primary);
  margin: var(--space-4) auto 0;
}

/* --- Three-Column Grid (Firm/Strategy/Portfolio) --- */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-10);
}

.pillar {
  text-align: center;
  padding: var(--space-6) var(--space-4);
}

.pillar__title {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-divider);
}

.pillar__text {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 38ch;
  margin: 0 auto;
}

/* --- About Section --- */
.about__content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.about__text {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
}

.about__stats {
  display: flex;
  justify-content: center;
  gap: var(--space-16);
  margin-top: var(--space-12);
}

.stat {
  text-align: center;
}

.stat__number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-text);
}

.stat__label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: var(--space-2);
}

/* --- Team --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-10) var(--space-8);
}

.team-card {
  text-align: center;
}

.team-card__photo {
  width: 160px;
  height: 160px;
  border-radius: var(--radius-full);
  object-fit: cover;
  filter: grayscale(100%);
  margin: 0 auto var(--space-4);
  border: 3px solid var(--color-divider);
  transition: filter 0.4s, border-color 0.4s;
}

.team-card:hover .team-card__photo {
  filter: grayscale(0%);
  border-color: var(--color-primary);
}

.team-card__name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.team-card__role {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-primary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: var(--space-3);
}

.team-card__bio {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 360px;
  margin: 0 auto;
}

/* --- Team Detail (expanded bios) --- */
.team-detail {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-8);
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-divider);
  align-items: start;
}

.team-detail:last-child {
  border-bottom: none;
}

.team-detail__photo {
  width: 180px;
  height: 180px;
  border-radius: var(--radius-full);
  object-fit: cover;
  filter: grayscale(100%);
  border: 3px solid var(--color-divider);
}

.team-detail__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.team-detail__role {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-primary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: var(--space-4);
}

.team-detail__bio {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* --- Insights / Reports --- */
.insight-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow 0.3s, transform 0.3s;
  text-decoration: none;
  color: inherit;
  display: block;
}

.insight-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.insight-card__image {
  width: 100%;
  height: 240px;
  object-fit: cover;
  background: var(--color-navy);
}

.insight-card__body {
  padding: var(--space-6);
}

.insight-card__category {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: var(--color-primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.insight-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.insight-card__excerpt {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.insight-card__link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: 0.04em;
}

/* --- Contact Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.contact-info__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: #FFFFFF;
  margin-bottom: var(--space-6);
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.75);
}

.contact-info__item svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-primary);
}

[data-theme="dark"] .contact-info__item svg {
  color: #D4A843;
}

.contact-info__item a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
}

.contact-info__item a:hover {
  color: #FFFFFF;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  padding: var(--space-3) var(--space-4);
  color: #FFFFFF;
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

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

.form-submit {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-navy);
  background: var(--color-primary);
  padding: var(--space-3) var(--space-8);
  border: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background 0.3s;
  align-self: flex-start;
}

.form-submit:hover {
  background: var(--color-primary-hover);
}

/* --- Footer --- */
.site-footer {
  background: var(--color-navy-dark);
  padding: var(--space-10) var(--space-6);
  color: rgba(255,255,255,0.5);
}

.site-footer__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.site-footer__brand {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 500;
  color: rgba(255,255,255,0.7);
}

.site-footer__links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.site-footer__links a {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.site-footer__links a:hover {
  color: rgba(255,255,255,0.8);
}

.site-footer__attribution {
  width: 100%;
  text-align: center;
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: var(--text-xs);
}

.site-footer__attribution a {
  color: rgba(255,255,255,0.4);
  text-decoration: none;
}

.site-footer__attribution a:hover {
  color: rgba(255,255,255,0.6);
}

/* --- Page Header (interior pages) --- */
.page-header {
  background: var(--color-surface-offset);
  padding: clamp(var(--space-12), 6vw, var(--space-20)) var(--space-6);
  padding-top: clamp(var(--space-16), 8vw, var(--space-24));
}

.page-header__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
}

.page-header__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.page-header__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 540px;
}

/* --- Scroll Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* --- Map --- */
.map-container {
  width: 100%;
  height: 300px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: var(--space-6);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: grayscale(60%);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .pillars {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .about__stats {
    gap: var(--space-8);
  }

  .team-detail {
    grid-template-columns: 140px 1fr;
    gap: var(--space-6);
  }

  .team-detail__photo {
    width: 130px;
    height: 130px;
  }
}

@media (max-width: 640px) {
  .site-header__inner {
    padding: var(--space-3) var(--space-4);
  }

  .site-logo__tagline {
    display: none;
  }

  .site-nav {
    gap: var(--space-3);
  }

  .site-nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    flex-direction: column;
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--color-divider);
    gap: var(--space-3);
    z-index: 100;
  }

  [data-theme="dark"] .site-nav__links {
    background: var(--color-surface);
  }

  .site-nav__links--open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .team-grid {
    grid-template-columns: 1fr;
  }

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

  .about__stats {
    flex-direction: column;
    gap: var(--space-6);
  }

  .site-footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .site-footer__links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .team-detail {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .team-detail__photo {
    margin: 0 auto;
  }

  .hero {
    min-height: 75vh;
  }

  .hero__title {
    font-size: var(--text-2xl);
  }

  .hero__content {
    padding: var(--space-6) var(--space-4);
  }

  .section {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .page-header {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .contact-grid {
    gap: var(--space-8);
  }
}