/* ============================================================
   DEVIN SHEA v2 — "Grounded Innovation" Design System
   Light-mode first · Editorial · Warm · Textured
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Light Mode (default) */
  --color-bg: #F5F0EB;
  --color-surface: #FAFAF7;
  --color-text: #1A1814;
  --color-text-muted: #6B6560;
  --color-primary: #1A6B5C;
  --color-primary-hover: #145A4D;
  --color-secondary: #C4653A;
  --color-secondary-hover: #A85430;
  --color-highlight: #D4A855;
  --color-border: rgba(26, 24, 20, 0.08);
  --color-divider: rgba(26, 24, 20, 0.06);
  --color-card-shadow: rgba(26, 24, 20, 0.06);
  --color-card-shadow-hover: rgba(26, 24, 20, 0.12);
  --color-writing-bg: #F0EBE5;
  --color-overlay: rgba(245, 240, 235, 0.85);

  /* Typography */
  --font-display: 'Clash Display', 'Helvetica Neue', sans-serif;
  --font-body: 'Zodiak', 'Georgia', serif;
  --font-ui: 'Satoshi', 'Helvetica Neue', sans-serif;

  /* Sizing */
  --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-hero: clamp(3.5rem, 8vw, 7rem);

  /* 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;

  /* Layout */
  --container: 1200px;
  --container-narrow: 900px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  /* Motion */
  --ease-out: cubic-bezier(0.25, 0, 0.25, 1);
  --duration-fast: 180ms;
  --duration-normal: 300ms;
}

/* ---------- Dark Mode ---------- */
[data-theme="dark"] {
  --color-bg: #141210;
  --color-surface: #1C1A17;
  --color-text: #E8E4DF;
  --color-text-muted: #8A857F;
  --color-primary: #3DA890;
  --color-primary-hover: #4CBFA5;
  --color-secondary: #E07A4F;
  --color-secondary-hover: #F08A5F;
  --color-highlight: #E0B865;
  --color-border: rgba(232, 228, 223, 0.08);
  --color-divider: rgba(232, 228, 223, 0.06);
  --color-card-shadow: rgba(0, 0, 0, 0.2);
  --color-card-shadow-hover: rgba(0, 0, 0, 0.35);
  --color-writing-bg: #1A1816;
  --color-overlay: rgba(20, 18, 16, 0.85);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background var(--duration-normal) var(--ease-out), color var(--duration-normal) var(--ease-out);
}

/* ---------- Grain Overlay ---------- */
.grain::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* ---------- Container ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-10);
  }
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

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

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

ul {
  list-style: none;
}

/* ---------- Section Labels & Titles ---------- */
.section__label {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.section__title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-4xl));
  margin-bottom: var(--space-4);
  max-width: 20ch;
}

.section__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 55ch;
  margin-bottom: var(--space-12);
}

.section {
  padding: var(--space-20) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--space-24) 0;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  text-decoration: none;
  min-height: 44px;
  white-space: nowrap;
}

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

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

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

.btn--secondary:hover {
  background: var(--color-secondary-hover);
  border-color: var(--color-secondary-hover);
  color: #fff;
}

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

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-overlay);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: transform var(--duration-normal) var(--ease-out),
              background var(--duration-normal) var(--ease-out);
}

.header--hidden {
  transform: translateY(-100%);
}

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

@media (min-width: 768px) {
  .header__inner {
    padding: var(--space-4) var(--space-10);
  }
}

.header__logo {
  color: var(--color-text);
  flex-shrink: 0;
  transition: color var(--duration-fast) var(--ease-out);
}

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

.header__nav {
  display: none;
}

@media (min-width: 768px) {
  .header__nav {
    display: block;
  }
}

.header__links {
  display: flex;
  gap: var(--space-8);
}

.header__links a {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
  position: relative;
  padding: var(--space-1) 0;
}

.header__links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-primary);
  transition: width var(--duration-fast) var(--ease-out);
}

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

.header__links a:hover::after {
  width: 100%;
}

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

.header__cta {
  display: none;
}

@media (min-width: 768px) {
  .header__cta {
    display: inline-flex;
  }
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: 50%;
  transition: color var(--duration-fast) var(--ease-out), background var(--duration-fast) var(--ease-out);
}

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

.theme-toggle__moon {
  display: none;
}

[data-theme="dark"] .theme-toggle__sun {
  display: none;
}

[data-theme="dark"] .theme-toggle__moon {
  display: block;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 10px;
}

@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.mobile-menu-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--duration-fast) var(--ease-out), opacity var(--duration-fast) var(--ease-out);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.mobile-nav.is-open {
  opacity: 1;
  pointer-events: auto;
}

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

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(80px + var(--space-8)) var(--space-6) var(--space-8);
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero {
    padding: calc(80px + var(--space-12)) var(--space-10) var(--space-12);
  }
}

/* Animated Canvas Background */
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.55;
}

[data-theme="dark"] .hero__canvas {
  opacity: 0.35;
}

.hero__content {
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero__text {
  max-width: 680px;
}

.hero__name {
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.035em;
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.hero__name-line {
  display: block;
  overflow: hidden;
  opacity: 0;
  transform: translateY(40px);
  animation: heroTextReveal 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero__name-line[data-delay="1"] {
  animation-delay: 0.15s;
}

.hero__name-line--accent {
  color: var(--color-primary);
}

@keyframes heroTextReveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__manifesto {
  font-family: var(--font-body);
  font-size: clamp(var(--text-lg), 2.5vw, var(--text-xl));
  font-style: italic;
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 40ch;
  margin-bottom: var(--space-8);
  opacity: 0;
  animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  opacity: 0;
  animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.6s forwards;
}

@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll Indicator */
.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  opacity: 0;
  animation: heroFadeUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) 1s forwards;
}

.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: var(--color-text-muted);
  opacity: 0.4;
  animation: scrollPulse 2s ease-in-out infinite 1.5s;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.15; transform: scaleY(0.5); transform-origin: top; }
  50% { opacity: 0.5; transform: scaleY(1); transform-origin: top; }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  .hero__name-line,
  .hero__manifesto,
  .hero__cta,
  .hero__scroll {
    opacity: 1;
    transform: none;
    animation: none;
  }
  .hero__canvas { display: none; }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}

@media (min-width: 768px) {
  .about__grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-16);
  }
}

.about__quote {
  font-family: var(--font-body);
  font-size: clamp(var(--text-xl), 3vw, var(--text-2xl));
  font-style: italic;
  font-weight: 400;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: var(--space-8);
  padding-left: var(--space-6);
  border-left: 3px solid var(--color-secondary);
}

.about__text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 65ch;
  margin-bottom: var(--space-6);
  line-height: 1.75;
}

/* Tags */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.tag {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-secondary);
  border: 1px solid var(--color-secondary);
  border-radius: 999px;
  padding: var(--space-1) var(--space-3);
  white-space: nowrap;
  opacity: 0.85;
}

/* Headshot */
.about__headshot {
  width: 200px;
  height: 200px;
  border-radius: 60% 40% 50% 50% / 50% 40% 60% 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  margin-bottom: var(--space-10);
}

@media (min-width: 768px) {
  .about__headshot {
    width: 240px;
    height: 240px;
  }
}

/* Timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.timeline__item {
  padding-left: var(--space-6);
  border-left: 2px solid var(--color-primary);
}

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

.timeline__desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================================
   VENTURES — Bento Grid
   ============================================================ */
.section--ventures {
  background: var(--color-bg);
}

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

@media (min-width: 768px) {
  .ventures__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
  }
}

.venture-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  text-decoration: none;
  color: var(--color-text);
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
  box-shadow: 0 2px 8px var(--color-card-shadow);
}

.venture-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--color-card-shadow-hover);
  border-color: var(--color-primary);
  color: var(--color-text);
}

.venture-card--featured {
  grid-column: 1;
}

@media (min-width: 768px) {
  .venture-card--featured {
    grid-column: 1 / span 2;
  }
}

.venture-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.venture-card__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
}

.venture-card__arrow {
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}

.venture-card:hover .venture-card__arrow {
  transform: translate(2px, -2px);
  color: var(--color-primary);
}

.venture-card__desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
  margin-bottom: var(--space-4);
}

.venture-card__role {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================================
   WRITING — Magazine Layout
   ============================================================ */
.section--writing {
  background: var(--color-writing-bg);
}

/* Newsletter */
.newsletter {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  margin-bottom: var(--space-12);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .newsletter {
    flex-direction: row;
    align-items: center;
  }
}

.newsletter__content {
  flex: 1;
}

.newsletter__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.newsletter__desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.newsletter__form {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}

.newsletter__form input {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  padding: 0.65rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  width: 220px;
  min-height: 44px;
  transition: border-color var(--duration-fast) var(--ease-out);
}

.newsletter__form input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.newsletter__form input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.6;
}

/* Blog Cards */
.writing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .writing__grid {
    grid-template-columns: 1.3fr 0.7fr;
    gap: var(--space-6);
  }
}

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

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  text-decoration: none;
  color: var(--color-text);
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
  box-shadow: 0 2px 8px var(--color-card-shadow);
}

.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px var(--color-card-shadow-hover);
  border-color: var(--color-secondary);
  color: var(--color-text);
}

.blog-card--featured {
  min-height: 100%;
  justify-content: center;
}

.blog-card__tag {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-3);
}

.blog-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-3);
  line-height: 1.25;
}

.blog-card--featured .blog-card__title {
  font-size: clamp(var(--text-xl), 3vw, var(--text-3xl));
}

.blog-card__excerpt {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
  margin-bottom: var(--space-4);
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.blog-card__dot {
  opacity: 0.4;
}

.writing__more {
  text-align: center;
  margin-top: var(--space-10);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}

@media (min-width: 768px) {
  .contact__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

.contact__intro {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 50ch;
  margin-bottom: var(--space-8);
}

.social-links {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
}

.social-link:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: rgba(26, 107, 92, 0.06);
}

[data-theme="dark"] .social-link:hover {
  background: rgba(61, 168, 144, 0.1);
}

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

.form-group label {
  display: block;
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
  min-height: 44px;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 107, 92, 0.1);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group textarea:focus {
  box-shadow: 0 0 0 3px rgba(61, 168, 144, 0.15);
}

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

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

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

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

.form-group.has-error input,
.form-group.has-error textarea {
  border-color: var(--color-secondary);
}

.form-success {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-primary);
  padding: var(--space-4);
  background: rgba(26, 107, 92, 0.08);
  border-radius: var(--radius-sm);
  margin-top: var(--space-4);
  display: none;
}

.form-success.is-visible {
  display: block;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: var(--space-12) 0;
  border-top: 1px solid var(--color-divider);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  text-align: center;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-6);
}

.footer__links a {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

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

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

.footer__social a {
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease-out);
}

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

.footer__copy {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.footer__copy a {
  color: var(--color-text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transition: opacity 0.6s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
}

/* Stagger delay for items within a group */
.reveal:nth-child(2) { transition-delay: 40ms; }
.reveal:nth-child(3) { transition-delay: 80ms; }
.reveal:nth-child(4) { transition-delay: 120ms; }
.reveal:nth-child(5) { transition-delay: 160ms; }

/* ============================================================
   RESPONSIVE ADJUSTMENTS
   ============================================================ */
@media (max-width: 767px) {
  .hero__name {
    font-size: clamp(3rem, 12vw, 4.5rem);
  }

  .hero__scroll {
    display: none;
  }

  .about__headshot {
    width: 160px;
    height: 160px;
  }

  .venture-card {
    padding: var(--space-6);
  }

  .blog-card {
    padding: var(--space-6);
  }

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

  .newsletter__form {
    flex-direction: column;
  }

  .newsletter__form input {
    width: 100%;
  }
}

/* Focus styles for keyboard nav */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

  .reveal {
    opacity: 1;
  }

  html {
    scroll-behavior: auto;
  }
}