/* ==========================================================================
   IconStaff — Anthropic/Claude Aesthetic
   Warm sand surfaces, terracotta accent, clean geometric type, 
   hand-drawn illustrative energy, generous whitespace
   ========================================================================== */

/* --- Design Tokens --- */
:root {
  /* Type Scale (fluid) */
  --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);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* Fonts — Anthropic-inspired: clean geometric sans + warm serif */
  --font-display: 'General Sans', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
}

/* --- Light Mode (Warm Teal — heritage palette on warm surfaces) --- */
:root, [data-theme="light"] {
  --color-bg:             #f7f5ef;
  --color-surface:        #f0ede6;
  --color-surface-2:      #eceae2;
  --color-surface-offset: #e4e1d8;
  --color-border:         #d5d0c4;
  --color-divider:        #ddd9cf;

  --color-text:           #141413;
  --color-text-muted:     #6b6860;
  --color-text-faint:     #b0aea5;

  --color-primary:        #1e8cb3;
  --color-primary-hover:  #177aa0;
  --color-primary-active: #12678a;

  --color-secondary:      #c4714a;
  --color-secondary-hover:#b0623e;

  --color-tertiary:       #043552;
  --color-tertiary-hover: #032c45;

  --shadow-sm: 0 1px 2px rgba(20, 20, 19, 0.05);
  --shadow-md: 0 4px 16px rgba(20, 20, 19, 0.08);
  --shadow-lg: 0 12px 40px rgba(20, 20, 19, 0.1);
}

/* --- Dark Mode --- */
[data-theme="dark"] {
  --color-bg:             #141413;
  --color-surface:        #1c1b19;
  --color-surface-2:      #242320;
  --color-surface-offset: #2a2926;
  --color-border:         #3a3835;
  --color-divider:        #2e2d2a;

  --color-text:           #e8e6dc;
  --color-text-muted:     #9c9a92;
  --color-text-faint:     #5e5c56;

  --color-primary:        #3ba3c9;
  --color-primary-hover:  #1e8cb3;
  --color-primary-active: #177aa0;

  --color-secondary:      #d98a6a;
  --color-secondary-hover:#c4714a;

  --color-tertiary:       #1a5a7a;
  --color-tertiary-hover: #043552;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #141413;
    --color-surface:        #1c1b19;
    --color-surface-2:      #242320;
    --color-surface-offset: #2a2926;
    --color-border:         #3a3835;
    --color-divider:        #2e2d2a;
    --color-text:           #e8e6dc;
    --color-text-muted:     #9c9a92;
    --color-text-faint:     #5e5c56;
    --color-primary:        #3ba3c9;
    --color-primary-hover:  #1e8cb3;
    --color-primary-active: #177aa0;
    --color-secondary:      #d98a6a;
    --color-secondary-hover:#c4714a;
    --color-tertiary:       #1a5a7a;
    --color-tertiary-hover: #043552;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
  }
}

/* ==========================================================================
   LAYOUT
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

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

section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

/* ==========================================================================
   HEADER / NAV
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

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

.header__logo-mark {
  height: 34px;
  width: auto;
  display: block;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

.header__logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
  color: var(--color-text);
}

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

.header__nav a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

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

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

/* Theme toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}

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

/* Mobile menu */
.mobile-menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: background 0.2s;
}

.mobile-menu-btn span::before,
.mobile-menu-btn span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform 0.3s var(--ease-out);
}

.mobile-menu-btn span::before { transform: translateY(-7px); }
.mobile-menu-btn span::after { transform: translateY(7px); }

.mobile-menu-btn.active span { background: transparent; }
.mobile-menu-btn.active span::before { transform: rotate(45deg); }
.mobile-menu-btn.active span::after { transform: rotate(-45deg); }

.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  padding: var(--space-8) var(--space-6);
  z-index: 99;
}

.mobile-nav.active {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.mobile-nav a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
}

@media (max-width: 768px) {
  .header__nav { display: none; }
  .mobile-menu-btn { display: flex; }
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition-interactive),
              color var(--transition-interactive),
              transform var(--transition-interactive),
              box-shadow var(--transition-interactive);
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-text-muted);
  background: var(--color-surface);
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
}

.btn--ghost:hover {
  background: var(--color-surface);
}

/* ==========================================================================
   HERO
   ========================================================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, oklch(from var(--color-primary) l c h / 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 50% 80% at 20% 80%, oklch(from var(--color-secondary) l c h / 0.04) 0%, transparent 60%),
    var(--color-bg);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  padding: var(--space-2) var(--space-4);
  background: oklch(from var(--color-primary) l c h / 0.1);
  border-radius: var(--radius-full);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.hero__title em {
  font-style: normal;
  color: var(--color-primary);
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 580px;
  margin-bottom: var(--space-8);
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* Hero decorative background */
.hero__bg {
  position: absolute;
  top: 0;
  right: -5%;
  width: 55%;
  height: 100%;
  z-index: 1;
  opacity: 1;
  pointer-events: none;
}

.hero__bg svg {
  width: 100%;
  height: 100%;
}

/* Animated glow pulse on hero network */
@keyframes hero-pulse {
  0%, 100% { opacity: 0.15; }
  50% { opacity: 0.35; }
}

.hero__bg .node-glow {
  animation: hero-pulse 4s ease-in-out infinite;
}

.hero__bg .node-glow:nth-child(2) { animation-delay: 1s; }
.hero__bg .node-glow:nth-child(3) { animation-delay: 2s; }
.hero__bg .node-glow:nth-child(4) { animation-delay: 3s; }

/* ==========================================================================
   SECTIONS — Shared
   ========================================================================== */

.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: var(--space-12);
}

/* ==========================================================================
   SERVICES / CAPABILITIES GRID
   ========================================================================== */

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .capabilities-grid {
    grid-template-columns: 1fr;
  }
}

.capability-card {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.capability-card:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-md);
}

.capability-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-6);
  color: var(--color-primary);
}

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

.capability-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ==========================================================================
   STACKS / EXPERTISE
   ========================================================================== */

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

.stacks-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

@media (max-width: 768px) {
  .stacks-grid {
    grid-template-columns: 1fr;
  }
}

.stack-category {
  padding: var(--space-8);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
}

.stack-category__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.stack-category__title svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.stack-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-full);
}

/* ==========================================================================
   TEAM
   ========================================================================== */

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

@media (max-width: 960px) {
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 500px) {
  .team-grid { grid-template-columns: 1fr; }
}

.team-card {
  text-align: center;
  padding: var(--space-8) var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
  background: var(--color-surface);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.team-card:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-md);
}

.team-card__avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto var(--space-5);
  overflow: hidden;
}

.team-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

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

.team-card__role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.team-card__contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.team-card__contact a {
  font-size: var(--text-xs);
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.team-card__contact a:hover {
  color: var(--color-secondary-hover);
}

.team-card--featured {
  grid-column: 1 / -1;
  border-left: 3px solid var(--color-primary);
}

.team-card--featured .team-card__avatar {
  width: 120px;
  height: 120px;
}

.team-card__bio {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-top: var(--space-2);
}

/* ==========================================================================
   TESTIMONIALS CAROUSEL — LinkedIn-style
   ========================================================================== */

.testimonials-section {
  overflow: hidden;
}

.carousel {
  margin-top: var(--space-10);
  position: relative;
}

.carousel__track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

.carousel__slide {
  min-width: 100%;
  padding: 0 var(--space-4);
  box-sizing: border-box;
}

/* LinkedIn recommendation card */
.li-card {
  max-width: 680px;
  margin: 0 auto;
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  transition: box-shadow var(--transition-interactive);
}

.li-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.li-card__header {
  padding: var(--space-4) var(--space-6) 0;
  display: flex;
  justify-content: flex-end;
}

.li-card__li-icon {
  width: 20px;
  height: 20px;
  opacity: 0.7;
}

.li-card__body {
  padding: 0 var(--space-6) var(--space-4);
}

.li-card__profile {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.li-card__photo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--color-divider);
}

.li-card__initials {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-bg);
  background: var(--color-primary);
  border: 2px solid var(--color-divider);
  letter-spacing: 0.5px;
}

.li-card__info {
  min-width: 0;
}

.li-card__name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.li-card__name:hover {
  color: #0A66C2;
}

.li-card__title {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.3;
  margin-top: 2px;
}

.li-card__context {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: 2px;
}

.li-card__quote {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-text-muted);
  margin: 0;
  padding: 0;
  border: none;
}

.li-card__link {
  display: block;
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-xs);
  font-weight: 500;
  color: #0A66C2;
  text-decoration: none;
  border-top: 1px solid var(--color-divider);
  text-align: right;
  transition: background var(--transition-interactive);
}

.li-card__link:hover {
  background: color-mix(in srgb, #0A66C2 5%, transparent);
}

/* Carousel controls */
.carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.carousel__btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-divider);
  background: var(--color-bg);
  color: var(--color-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-interactive);
}

.carousel__btn:hover {
  border-color: #0A66C2;
  color: #0A66C2;
  background: color-mix(in srgb, #0A66C2 5%, var(--color-bg));
}

.carousel__counter {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.5px;
  min-width: 60px;
  text-align: center;
  user-select: none;
}

@media (max-width: 640px) {
  .li-card__body {
    padding: 0 var(--space-4) var(--space-4);
  }
  .li-card__header {
    padding: var(--space-3) var(--space-4) 0;
  }
  .li-card__link {
    padding: var(--space-3) var(--space-4);
  }
  .li-card__quote {
    font-size: var(--text-xs);
  }
}

/* ==========================================================================
   FAQ
   ========================================================================== */

.faq-list {
  max-width: 760px;
  margin-inline: auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-divider);
}

.faq-item:first-child {
  border-top: 1px solid var(--color-divider);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) 0;
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-interactive);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-question svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-text-faint);
  transition: transform 0.3s var(--ease-out);
}

.faq-item.active .faq-question svg {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out), padding 0.3s var(--ease-out);
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding-bottom: var(--space-6);
}

.faq-answer p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   CONTACT
   ========================================================================== */

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

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

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-info h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.contact-info p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.contact-detail svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-detail a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.contact-detail a:hover {
  color: var(--color-primary);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

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

.form-group label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-group input,
.form-group textarea {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: border-color var(--transition-interactive);
}

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

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

/* ==========================================================================
   STATS BAR
   ========================================================================== */

.stats-bar {
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  padding-block: var(--space-10);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  text-align: center;
}

@media (max-width: 600px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
}

.stat__number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-divider);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer__links {
  display: flex;
  gap: var(--space-6);
}

.footer__links a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.footer__links a:hover {
  color: var(--color-text-muted);
}

/* ==========================================================================
   LEGAL CONTENT PAGES
   ========================================================================== */

.legal-content {
  color: var(--color-text-muted);
  line-height: 1.8;
  font-size: var(--text-sm);
}

.legal-content h2 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.legal-content p {
  margin-bottom: var(--space-4);
}

.legal-content ul {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.legal-content li {
  margin-bottom: var(--space-2);
}

/* ==========================================================================
   ILLUSTRATION DECORATIVES
   Anthropic-style hand-drawn / organic shapes
   ========================================================================== */

.deco-blob {
  position: absolute;
  pointer-events: none;
  z-index: 0;
}

/* Subtle gradient orb — Anthropic uses soft gradient blurs */
.gradient-orb {
  width: clamp(300px, 40vw, 600px);
  height: clamp(300px, 40vw, 600px);
  border-radius: 50%;
  background: radial-gradient(circle, oklch(from var(--color-primary) l c h / 0.08) 0%, transparent 70%);
  filter: blur(60px);
  position: absolute;
  pointer-events: none;
}

/* ==========================================================================
   CTA BANNER
   ========================================================================== */

/* ==========================================================================
   PLAYBOOK DOWNLOAD CTA
   ========================================================================== */

.playbook-cta {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.playbook-cta__inner {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: var(--space-12);
  align-items: start;
}

@media (max-width: 960px) {
  .playbook-cta__inner { grid-template-columns: 1fr; }
}

.playbook-cta__content .section-title {
  text-align: left;
}

.playbook-cta__content .section-label {
  text-align: left;
}

.playbook-cta__content .section-desc {
  text-align: left;
  max-width: none;
}

.playbook-cta__list {
  list-style: none;
  padding: 0;
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.playbook-cta__list li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-6);
  position: relative;
}

.playbook-cta__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.5;
}

.playbook-form {
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

.playbook-form__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.playbook-form .form-group {
  margin-bottom: var(--space-4);
}

.playbook-form label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
}

.playbook-form input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  transition: border-color var(--transition-interactive);
}

.playbook-form input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 15%, transparent);
}

.playbook-form__btn {
  width: 100%;
  margin-top: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
}

.playbook-form__btn:disabled {
  opacity: 0.7;
  cursor: wait;
}

.playbook-form__note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
  margin-top: var(--space-3);
}

/* ==========================================================================
   CTA BANNER
   ========================================================================== */

.cta-banner {
  background: var(--color-text);
  color: var(--color-bg);
  text-align: center;
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}

.cta-banner .section-label {
  color: var(--color-primary);
}

.cta-banner .section-title {
  color: var(--color-bg);
}

.cta-banner .section-desc {
  color: oklch(from var(--color-bg) l c h / 0.65);
  margin-inline: auto;
}

.cta-banner .btn--primary {
  background: var(--color-primary);
  color: #fff;
}

/* ==========================================================================
   SCROLL ANIMATIONS
   ========================================================================== */

.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}

/* Fallback for browsers without scroll-driven animations */
@supports not (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    transition: opacity 0.8s var(--ease-out);
  }
  .fade-in.visible {
    opacity: 1;
  }
}

/* ==========================================================================
   APPROACH SECTION (Anthropic-style numbered list)
   ========================================================================== */

.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-10);
}

/* Last row: single centered item */
.approach-grid .approach-item:last-child:nth-child(3n + 1) {
  grid-column: 2;
}

@media (max-width: 1024px) {
  .approach-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .approach-grid .approach-item:last-child:nth-child(3n + 1) {
    grid-column: auto;
  }
}
@media (max-width: 640px) {
  .approach-grid {
    grid-template-columns: 1fr;
  }
}

.approach-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}

.approach-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.approach-number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0.4;
  line-height: 1;
}

.approach-item h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.approach-item p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   CLIENTS / SOCIAL PROOF
   ========================================================================== */

.clients-bar {
  padding-block: var(--space-12);
  text-align: center;
}

.clients-bar .section-label {
  text-align: center;
  margin-bottom: var(--space-6);
}

.clients-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-10) var(--space-12);
}

.clients-logos span {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  opacity: 0.55;
  transition: opacity var(--transition-interactive);
}

.clients-logos span:hover {
  opacity: 0.85;
}

/* ==========================================================================
   EXECUTIVE SEARCH
   ========================================================================== */

.exec-search-section {
  background: var(--color-surface);
}

.exec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  margin-top: var(--space-10);
}

@media (max-width: 768px) {
  .exec-grid { grid-template-columns: 1fr; }
}

.exec-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}

.exec-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.exec-card--featured {
  border-left: 3px solid var(--color-primary);
}

.exec-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.exec-card__icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  color: var(--color-primary);
}

.exec-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.exec-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.exec-card__roles {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.exec-card__roles span {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  letter-spacing: 0.01em;
}

.exec-methodology {
  margin-top: var(--space-12);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-border);
}

.exec-methodology__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

.exec-methodology__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

@media (max-width: 1024px) {
  .exec-methodology__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .exec-methodology__grid { grid-template-columns: 1fr; }
}

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

.exec-methodology__num {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: var(--space-1);
}

.exec-methodology__step h4 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.exec-methodology__step p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ==========================================================================
   JOB PREVIEW CARDS (Homepage)
   ========================================================================== */

/* Jobs preview grid — homepage teasers */
.jobs-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: var(--space-10);
  background: var(--color-divider);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.jp-card {
  background: var(--color-bg);
  padding: var(--space-6) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
  transition: background 0.2s ease;
}

.jp-card--link {
  text-decoration: none;
  cursor: pointer;
}

.jp-card--link:hover {
  background: var(--color-surface);
}

.jp-card__title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
  margin: 0;
  transition: color 0.2s ease;
}

.jp-card--link:hover .jp-card__title {
  color: var(--color-primary);
}

.jp-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.jp-card__type {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-faint);
  letter-spacing: 0.02em;
}

.jp-card__loc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.jp-card__loc::before {
  content: '\00b7';
  margin-right: var(--space-3);
  color: var(--color-text-faint);
}

.jp-card__arrow {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  font-size: var(--text-lg);
  color: var(--color-text-faint);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.jp-card--link:hover .jp-card__arrow {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 900px) {
  .jobs-preview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .jobs-preview-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   STARTUP & VENTURE
   ========================================================================== */

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

.startup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  margin-top: var(--space-10);
}

@media (max-width: 768px) {
  .startup-grid { grid-template-columns: 1fr; }
}

.startup-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: box-shadow var(--transition-interactive), border-color var(--transition-interactive);
}

.startup-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-secondary);
}

.startup-card--featured {
  border-left: 3px solid var(--color-secondary);
}

.startup-card__icon {
  width: 44px;
  height: 44px;
  color: var(--color-secondary);
  flex-shrink: 0;
}

.startup-card__icon svg {
  width: 100%;
  height: 100%;
}

.startup-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.startup-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

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

@media (max-width: 768px) {
  .hero__title {
    font-size: var(--text-3xl);
  }
  .section-title {
    font-size: var(--text-xl);
  }
  .jobs-preview-grid {
    grid-template-columns: 1fr;
  }
}