/* ==========================================================================
   Jeff Dannel — Personal Brand Website
   site.css
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-bg-primary:    #070d1a;
  --color-bg-secondary:  #0d1629;
  --color-bg-card:       #111c35;
  --color-bg-card-hover: #162040;
  --color-bg-nav:        rgba(7, 13, 26, 0.92);

  --color-accent:        #00c9a7;
  --color-accent-dim:    rgba(0, 201, 167, 0.15);
  --color-accent-hover:  #00e8c2;

  --color-text-primary:  #e8edf5;
  --color-text-secondary:#9aaec4;
  --color-text-muted:    #5f7a99;

  --color-border:        rgba(255, 255, 255, 0.07);
  --color-border-accent: rgba(0, 201, 167, 0.3);

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI',
               Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;

  /* Spacing */
  --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;

  /* Borders */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md:  0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg:  0 8px 32px rgba(0, 0, 0, 0.6);
  --shadow-accent: 0 0 24px rgba(0, 201, 167, 0.15);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Nav */
  --nav-height: 68px;
}

/* Light theme */
[data-theme="light"] {
  --color-bg-primary:    #f4f7fc;
  --color-bg-secondary:  #eaf0f8;
  --color-bg-card:       #ffffff;
  --color-bg-card-hover: #f0f6ff;
  --color-bg-nav:        rgba(244, 247, 252, 0.92);

  --color-text-primary:  #0d1629;
  --color-text-secondary:#3a5070;
  --color-text-muted:    #7a95b0;

  --color-border:        rgba(0, 0, 0, 0.08);
  --color-border-accent: rgba(0, 150, 120, 0.3);

  --color-accent:        #00967a;
  --color-accent-dim:    rgba(0, 150, 120, 0.1);
  --color-accent-hover:  #00b893;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.7;
  font-size: var(--text-base);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 3px;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: var(--font-sans);
  border: none;
  background: none;
}

button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 3px;
}

input, textarea, select {
  font-family: var(--font-sans);
  font-size: var(--text-base);
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-text-primary);
}

/* --------------------------------------------------------------------------
   Typography Utilities
   -------------------------------------------------------------------------- */
.text-accent   { color: var(--color-accent); }
.text-muted    { color: var(--color-text-muted); }
.text-secondary{ color: var(--color-text-secondary); }

.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  line-height: 1.15;
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 640px;
  margin-top: var(--space-4);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Layout Utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-24) 0;
}

.section-header {
  margin-bottom: var(--space-16);
}

/* --------------------------------------------------------------------------
   Fade-in Animations
   -------------------------------------------------------------------------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }
.fade-in-delay-6 { transition-delay: 0.6s; }

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-accent);
  color: #060d1a;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  color: #060d1a;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 201, 167, 0.3);
}

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

.btn-outline:hover {
  background: var(--color-accent-dim);
  color: var(--color-accent-hover);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.btn-ghost {
  color: var(--color-text-secondary);
  background: transparent;
  padding: var(--space-2) var(--space-4);
}

.btn-ghost:hover {
  color: var(--color-text-primary);
  background: var(--color-border);
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background: var(--color-bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

.site-nav.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #0d5c4e 0%, #00c9a7 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: var(--text-lg);
  color: #fff;
  letter-spacing: -0.02em;
  box-shadow: 0 2px 12px rgba(0, 201, 167, 0.25);
  transition: box-shadow var(--transition-base);
}

.nav-logo:hover .logo-mark {
  box-shadow: 0 4px 20px rgba(0, 201, 167, 0.45);
}

.logo-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  letter-spacing: 0.01em;
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text-primary);
  background: var(--color-border);
}

.nav-link.active {
  color: var(--color-accent);
  background: var(--color-accent-dim);
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

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

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

/* Mobile menu button */
.nav-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  color: var(--color-text-primary);
  transition: background var(--transition-fast);
}

.nav-menu-btn:hover {
  background: var(--color-border);
}

.nav-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

.nav-menu-btn.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-menu-btn.open span:nth-child(2) {
  opacity: 0;
}
.nav-menu-btn.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav Drawer */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
  flex-direction: column;
  gap: var(--space-1);
  box-shadow: var(--shadow-md);
  transform: translateY(-8px);
  opacity: 0;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.mobile-nav.open {
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav .nav-link {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  overflow: hidden;
  background: var(--color-bg-primary);
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

/* Gradient orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.2;
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #00c9a7 0%, transparent 70%);
  top: -200px;
  right: -100px;
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #1d4ed8 0%, transparent 70%);
  bottom: -100px;
  left: -100px;
}

/* Grid overlay */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 201, 167, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 201, 167, 0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 0%, transparent 100%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-24) var(--space-6);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-16);
  align-items: center;
}

.hero-content {
  max-width: 680px;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 10px var(--color-accent);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 6px var(--color-accent); opacity: 1; }
  50%       { box-shadow: 0 0 18px var(--color-accent); opacity: 0.7; }
}

.hero-eyebrow-text {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero-headline {
  font-size: clamp(var(--text-4xl), 5.5vw, var(--text-6xl));
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
}

.hero-headline em {
  font-style: normal;
  color: var(--color-accent);
}

.hero-sub {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-8);
  max-width: 580px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

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

.hero-tag {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.03);
}

/* Profile photo */
.hero-photo-wrap {
  position: relative;
  flex-shrink: 0;
}

.hero-photo-ring {
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border-accent);
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.hero-photo-ring::before {
  content: '';
  position: absolute;
  top: -3px;
  left: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  transform: translateX(-50%);
  box-shadow: 0 0 12px var(--color-accent);
}

.hero-photo {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  border: 3px solid var(--color-bg-card);
  box-shadow: var(--shadow-lg), var(--shadow-accent);
  position: relative;
  z-index: 1;
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about {
  background: var(--color-bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.about-intro {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.about-title {
  display: flex;
  flex-direction: column;
  gap: 0.15em;
  max-width: 10ch;
  position: relative;
}

.about-title-line {
  display: block;
}

.about-title-line-accent {
  color: var(--color-text-primary);
}

.about-title-line-offset {
  max-width: 8ch;
}

.about-title-intersection {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 0.2rem 0.75rem;
  margin: var(--space-2) 0 var(--space-3);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: color-mix(in srgb, var(--color-bg-secondary) 72%, transparent);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}

.about-title-intersection::before,
.about-title-intersection::after {
  content: '';
  position: absolute;
  pointer-events: none;
}

.about-title-intersection::before {
  top: 50%;
  left: calc(var(--space-12) * -1);
  width: calc(100% + var(--space-24));
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--color-border-accent) 18%, var(--color-accent) 50%, var(--color-border-accent) 82%, transparent 100%);
}

.about-title-intersection::after {
  left: 50%;
  top: -2.75rem;
  width: 1px;
  height: calc(100% + 5.5rem);
  background: linear-gradient(180deg, transparent 0%, var(--color-border-accent) 18%, var(--color-accent) 50%, var(--color-border-accent) 82%, transparent 100%);
}

.about-intersection-card {
  margin-top: var(--space-3);
  padding: var(--space-6);
  background:
    radial-gradient(circle at top, var(--color-accent-dim), transparent 55%),
    var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.about-intersection-diagram {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: auto auto auto;
  align-items: center;
  justify-items: center;
  gap: var(--space-3);
  min-height: 12rem;
  margin-bottom: var(--space-5);
}

.about-intersection-diagram::before,
.about-intersection-diagram::after {
  content: '';
  position: absolute;
  background: linear-gradient(90deg, transparent 0%, var(--color-border-accent) 16%, var(--color-accent) 50%, var(--color-border-accent) 84%, transparent 100%);
}

.about-intersection-diagram::before {
  top: 50%;
  left: 5%;
  width: 90%;
  height: 1px;
}

.about-intersection-diagram::after {
  top: 8%;
  left: 50%;
  width: 1px;
  height: 84%;
  transform: translateX(-50%);
  background: linear-gradient(180deg, transparent 0%, var(--color-border-accent) 16%, var(--color-accent) 50%, var(--color-border-accent) 84%, transparent 100%);
}

.intersection-pill {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 5.5rem;
  padding: 0.55rem 0.8rem;
  background: color-mix(in srgb, var(--color-bg-primary) 82%, transparent);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.intersection-pill-top {
  grid-column: 2;
  grid-row: 1;
}

.intersection-pill-left {
  grid-column: 1;
  grid-row: 2;
}

.intersection-pill-center {
  grid-column: 2;
  grid-row: 2;
  color: var(--color-bg-primary);
  background: var(--color-accent);
  border-color: transparent;
  box-shadow: var(--shadow-accent);
}

.intersection-pill-right {
  grid-column: 3;
  grid-row: 2;
}

.intersection-pill-bottom {
  grid-column: 2;
  grid-row: 3;
}

.about-intersection-note {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  line-height: 1.8;
}

.about-body p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  font-size: var(--text-lg);
  line-height: 1.75;
}

.about-body p:last-child {
  margin-bottom: 0;
}

.about-capabilities {
  margin-top: var(--space-8);
}

.about-capabilities h3 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: var(--text-xs);
  margin-bottom: var(--space-4);
}

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

.capability-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.capability-item::before {
  content: '';
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

/* Stats row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-16);
  padding-top: var(--space-12);
  border-top: 1px solid var(--color-border);
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   Expertise Section
   -------------------------------------------------------------------------- */
.expertise {
  background: var(--color-bg-primary);
}

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

.expertise-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.expertise-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.expertise-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-accent);
}

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

.expertise-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  color: var(--color-accent);
}

.expertise-icon svg {
  width: 24px;
  height: 24px;
}

.expertise-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.expertise-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Selected Work Section
   -------------------------------------------------------------------------- */
.work {
  background: var(--color-bg-secondary);
}

.work-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  background: rgba(0, 201, 167, 0.06);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  margin-bottom: var(--space-10);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.work-disclaimer svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 1px;
}

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

.project-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--color-border-accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

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

.project-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.project-category-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(7, 13, 26, 0.85);
  backdrop-filter: blur(8px);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-accent);
}

.project-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  flex: 1;
}

.project-name {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

.project-problem {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: auto;
}

.project-tag {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-accent);
  background: var(--color-accent-dim);
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
}

.project-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.project-role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.btn-details {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  background: transparent;
}

.btn-details:hover {
  background: var(--color-accent-dim);
  border-color: var(--color-accent);
}

/* Project Dialog */
.project-dialog {
  position: fixed;
  inset: 0;
  margin: auto;
  z-index: 1100;
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-lg);
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  padding: 0;
  max-width: 680px;
  width: calc(100% - 2rem);
  max-height: calc(100vh - 4rem);
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.project-dialog[open] {
  display: block;
}

.project-dialog::backdrop {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.dialog-inner {
  padding: var(--space-8);
}

.dialog-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}

.dialog-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: all var(--transition-fast);
  font-size: var(--text-xl);
  line-height: 1;
  background: var(--color-border);
}

.dialog-close:hover {
  background: rgba(255,255,255,0.1);
  color: var(--color-text-primary);
}

.dialog-title {
  font-size: var(--text-2xl);
  font-weight: 800;
}

.dialog-section {
  margin-bottom: var(--space-6);
}

.dialog-section-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.dialog-section p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

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

.dialog-value {
  background: rgba(0, 201, 167, 0.08);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Ventures Section
   -------------------------------------------------------------------------- */
.ventures {
  background: var(--color-bg-primary);
}

.ventures-intro {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.75;
  max-width: 660px;
  margin-bottom: var(--space-12);
}

.ventures-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-16);
}

.venture-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition-base);
  position: relative;
}

.venture-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.venture-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-active    { color: #22c55e; }
.status-active .status-dot    { background: #22c55e; }
.status-poc       { color: #f59e0b; }
.status-poc .status-dot       { background: #f59e0b; }
.status-internal  { color: #60a5fa; }
.status-internal .status-dot  { background: #60a5fa; }
.status-evaluating{ color: #a78bfa; }
.status-evaluating .status-dot{ background: #a78bfa; }
.status-future    { color: var(--color-text-muted); }
.status-future .status-dot    { background: var(--color-text-muted); }

.venture-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.venture-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Investor callout */
.investor-callout {
  background: linear-gradient(135deg, rgba(0, 201, 167, 0.08) 0%, rgba(13, 92, 78, 0.12) 100%);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-12);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-8);
}

.investor-callout-text p {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 560px;
}

/* --------------------------------------------------------------------------
   How I Work Section
   -------------------------------------------------------------------------- */
.approach {
  background: var(--color-bg-secondary);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
  margin-bottom: var(--space-12);
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 32px;
  left: 48px;
  right: 48px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-accent), var(--color-accent), var(--color-border-accent), transparent);
  z-index: 0;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 var(--space-3);
  position: relative;
  z-index: 1;
}

.step-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-bg-card);
  border: 2px solid var(--color-border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: var(--space-5);
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.process-step:hover .step-number {
  background: var(--color-accent-dim);
  border-color: var(--color-accent);
  box-shadow: 0 0 24px rgba(0, 201, 167, 0.2);
}

.step-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.step-desc {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.approach-quote {
  text-align: center;
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  font-style: italic;
  max-width: 680px;
  margin: 0 auto;
  padding: var(--space-8) var(--space-10);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-card);
  position: relative;
}

.approach-quote::before {
  content: '"';
  font-size: 5rem;
  line-height: 1;
  color: var(--color-accent-dim);
  position: absolute;
  top: -16px;
  left: var(--space-6);
  font-family: Georgia, serif;
}

/* --------------------------------------------------------------------------
   Philosophy Section
   -------------------------------------------------------------------------- */
.philosophy {
  background: var(--color-bg-primary);
}

.philosophy-quote-block {
  background: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(13, 22, 41, 0.9) 100%);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--space-10) var(--space-12);
  margin-bottom: var(--space-12);
  position: relative;
}

.philosophy-quote {
  font-size: clamp(var(--text-xl), 2.5vw, var(--text-3xl));
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.45;
  font-style: italic;
  letter-spacing: -0.01em;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.philosophy-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  transition: all var(--transition-fast);
}

.philosophy-item:hover {
  border-color: var(--color-border-accent);
  background: var(--color-bg-card-hover);
}

.philosophy-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
  margin-top: 6px;
}

.philosophy-item-text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
.contact {
  background: var(--color-bg-secondary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-info-title {
  font-size: clamp(var(--text-3xl), 3.5vw, var(--text-4xl));
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
  line-height: 1.2;
}

.contact-intro {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.contact-link-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  transition: all var(--transition-fast);
  text-decoration: none;
  color: var(--color-text-secondary);
}

.contact-link-item:hover {
  border-color: var(--color-border-accent);
  background: var(--color-bg-card-hover);
  color: var(--color-text-primary);
}

.contact-link-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-link-icon svg {
  width: 20px;
  height: 20px;
}

.contact-link-label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: 2px;
}

.contact-link-value {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
}

/* Contact Form */
.contact-form-wrap {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

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

.form-group {
  margin-bottom: var(--space-5);
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.form-required {
  color: var(--color-accent);
  margin-left: 2px;
}

.form-control {
  width: 100%;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 201, 167, 0.1);
}

.form-control::placeholder {
  color: var(--color-text-muted);
}

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235f7a99' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

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

.form-error {
  display: none;
  font-size: var(--text-xs);
  color: #f87171;
  margin-top: var(--space-1);
}

.form-group.has-error .form-control {
  border-color: #f87171;
}

.form-group.has-error .form-error {
  display: block;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  line-height: 1.5;
}

.form-success {
  display: none;
  background: rgba(0, 201, 167, 0.1);
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-accent);
  margin-top: var(--space-4);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0 var(--space-8);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}

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

.footer-name {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-primary);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-link {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

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

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

.footer-copy {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

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

.footer-meta-item {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.footer-meta-item a {
  color: var(--color-text-muted);
}

.footer-meta-item a:hover {
  color: var(--color-accent);
}

.footer-separator {
  color: var(--color-text-muted);
  opacity: 0.4;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .expertise-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .process-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
  }

  .process-steps::before {
    display: none;
  }

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

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

  .investor-callout {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-8);
  }
}

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

  .nav-links,
  .nav-actions .btn {
    display: none;
  }

  .nav-menu-btn {
    display: flex;
  }

  .mobile-nav {
    display: flex;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    padding: var(--space-16) var(--space-6) var(--space-12);
    text-align: center;
  }

  .hero-eyebrow {
    justify-content: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-tags {
    justify-content: center;
  }

  .hero-photo-wrap {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .about-title {
    max-width: none;
  }

  .about-title-line-offset {
    max-width: none;
  }

  .about-title-intersection::before {
    left: calc(var(--space-6) * -1);
    width: calc(100% + var(--space-12));
  }

  .about-title-intersection::after {
    top: -2rem;
    height: calc(100% + 4rem);
  }

  .about-intersection-diagram {
    min-height: 10rem;
  }

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

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

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

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

  .process-steps {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .process-step {
    flex-direction: row;
    text-align: left;
    gap: var(--space-4);
    align-items: flex-start;
  }

  .step-number {
    margin-bottom: 0;
    flex-shrink: 0;
  }

  .step-content {
    padding-top: var(--space-2);
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

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

  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-6);
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .philosophy-quote-block {
    padding: var(--space-6) var(--space-6);
  }

  .investor-callout {
    padding: var(--space-6);
  }

  .section {
    padding: var(--space-16) 0;
  }

  .section-title {
    font-size: var(--text-3xl);
  }
}

@media (max-width: 480px) {
  .project-dialog {
    width: min(calc(100% - 1.5rem), 680px);
    max-height: calc(100vh - 1.5rem);
  }

  .hero-headline {
    font-size: var(--text-4xl);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    justify-content: center;
  }

  .stats-row {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  .about-intersection-card {
    padding: var(--space-5);
  }

  .about-intersection-diagram {
    min-height: 9rem;
    gap: var(--space-2);
  }

  .intersection-pill {
    min-width: 0;
    width: 100%;
    padding-left: 0.55rem;
    padding-right: 0.55rem;
    letter-spacing: 0.04em;
  }

  .dialog-inner {
    padding: var(--space-5);
  }

  .contact-form-wrap {
    padding: var(--space-5);
  }
}

/* --------------------------------------------------------------------------
   Scrollbar (webkit)
   -------------------------------------------------------------------------- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Visually hidden (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-width: 0;
}

/* --------------------------------------------------------------------------
   Skip Link
   -------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 9999;
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent);
  color: #060d1a;
  font-weight: 600;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}