/* ——— Design tokens ——— */
:root {
  --cream: #F2EDE3;
  --cream-card: #F8F5EF;
  --black: #111111;
  --red: #FF3B2F;
  --orange: #FF6B1A;
  --yellow: #FFB625;
  --blue: #0078D7;
  --blue-light: #4EA6FF;
  --blue-dark: #0057A3;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", system-ui, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --radius: 4px;
  --radius-lg: 12px;
  --shadow: 0 4px 24px rgba(17, 17, 17, 0.06);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--black);
  background: var(--cream);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--blue-dark);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ——— Geometric background ——— */
.geo-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.geo {
  position: absolute;
  border-radius: var(--radius);
  opacity: 0.35;
}

.geo--1 {
  width: 120px;
  height: 120px;
  background: var(--blue-light);
  top: 12%;
  right: 8%;
  transform: rotate(15deg);
}

.geo--2 {
  width: 48px;
  height: 48px;
  background: var(--yellow);
  bottom: 22%;
  left: 6%;
  border-radius: 50%;
}

.geo--3 {
  width: 8px;
  height: 64px;
  background: var(--orange);
  top: 55%;
  right: 18%;
  animation: geo-float 8s ease-in-out infinite;
}

.geo--4 {
  width: 32px;
  height: 32px;
  background: var(--red);
  bottom: 8%;
  right: 6%;
  border-radius: 50%;
  animation: geo-float 6s ease-in-out infinite reverse;
}

.geo--5 {
  width: 20px;
  height: 20px;
  background: var(--blue);
  top: 35%;
  left: 4%;
  border-radius: 50%;
  animation: geo-pulse 4s ease-in-out infinite;
}

.geo--6 {
  width: 56px;
  height: 8px;
  background: var(--orange);
  top: 18%;
  left: 42%;
  animation: geo-float 9s ease-in-out infinite -4s;
}

.geo--1,
.geo--2 {
  animation: geo-float 10s ease-in-out infinite;
  transition: transform 0.15s ease-out;
}

.geo--2 {
  animation-delay: -3s;
}

.geo-bg.is-parallax .geo {
  transition: transform 0.2s ease-out;
}

/* ——— Header ——— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  background: color-mix(in srgb, var(--cream) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid color-mix(in srgb, var(--black) 6%, transparent);
}

.logo-link .logo,
.hero__logo {
  width: auto;
  height: auto;
  max-width: 100%;
  object-fit: contain;
}

.logo-link .logo {
  max-height: 56px;
}

.main-nav {
  display: flex;
  gap: var(--space-lg);
}

.main-nav a {
  color: var(--black);
  font-weight: 500;
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  position: relative;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--orange);
  transition: width var(--transition);
}

.main-nav a:hover::after,
.main-nav a.is-active::after {
  width: 100%;
}

.main-nav a:hover {
  transform: translateY(-1px);
}

.main-nav a {
  transition: color var(--transition), transform 0.2s ease;
}

.main-nav a.is-active {
  color: var(--blue-dark);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--black);
  transition: var(--transition);
}

/* ——— Main layout ——— */
main {
  flex: 1;
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md) var(--space-xl);
}

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform 0.15s ease;
}

.btn:active {
  transform: scale(0.98);
}

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

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

.btn--dark {
  background: var(--black);
  color: var(--cream);
  border-color: var(--black);
}

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

/* ——— Hero (Home) ——— */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
  min-height: calc(100vh - 180px);
  padding: var(--space-xl) 0;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: var(--space-sm);
}

.hero__logo-wrap {
  margin-bottom: var(--space-md);
}

.hero__logo-wrap .hero__logo {
  max-width: min(100%, 480px);
  max-height: 200px;
}

.hero__intro {
  max-width: 36rem;
  margin-bottom: var(--space-lg);
}

.hero__intro p {
  margin-bottom: var(--space-sm);
  color: color-mix(in srgb, var(--black) 75%, transparent);
}

.hero__intro strong {
  color: var(--black);
  font-weight: 600;
}

.tagline {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3.2vw, 1.85rem);
  font-weight: 600;
  line-height: 1.35;
  color: var(--black);
  margin-bottom: var(--space-md);
  max-width: 28rem;
}

.logo--pulse {
  animation: logo-soft 4s ease-in-out infinite;
}

.hero__logo-wrap {
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero__logo-wrap:hover {
  transform: scale(1.02);
}

.hero__lead {
  max-width: 32rem;
  margin-bottom: var(--space-lg);
  color: color-mix(in srgb, var(--black) 75%, transparent);
}

.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit {
  position: relative;
  width: 280px;
  height: 280px;
  animation: orbit-spin 24s linear infinite;
}

.orbit__ring {
  position: absolute;
  inset: 0;
  border: 2px solid var(--black);
  border-radius: 50%;
  opacity: 0.15;
}

.orbit__ring::before {
  content: "";
  position: absolute;
  inset: 24px;
  border: 1px dashed var(--blue);
  border-radius: 50%;
  opacity: 0.4;
  animation: orbit-spin 18s linear infinite reverse;
}

.orbit__ring--inner {
  position: absolute;
  inset: 48px;
  border: 2px solid color-mix(in srgb, var(--orange) 50%, transparent);
  border-radius: 50%;
  animation: orbit-spin 14s linear infinite reverse;
}

.orbit__dot {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 2px;
}

.orbit__dot--blue {
  background: var(--blue);
  top: 0;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
}

.orbit__dot--red {
  background: var(--red);
  bottom: 20%;
  right: 0;
}

.orbit__dot--yellow {
  background: var(--yellow);
  bottom: 10%;
  left: 15%;
  border-radius: 50%;
}

/* ——— Strip ——— */
.strip {
  border-top: 1px solid color-mix(in srgb, var(--black) 8%, transparent);
  padding: var(--space-lg) 0;
}

.strip__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
}

.strip__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--black);
}

.strip__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.strip__tags li {
  padding: 0.35rem 0.85rem;
  font-size: 0.875rem;
  font-weight: 500;
  background: var(--cream-card);
  border: 1px solid color-mix(in srgb, var(--black) 10%, transparent);
  border-radius: var(--radius);
}

.strip__tags li:nth-child(2) {
  border-left: 3px solid var(--blue);
}

.strip__tags li:nth-child(3) {
  border-left: 3px solid var(--yellow);
}

.strip__tags li:nth-child(4) {
  border-left: 3px solid var(--orange);
}

/* ——— Page header ——— */
.page-header {
  padding: var(--space-2xl) 0 var(--space-lg);
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.page-header__lead {
  margin-top: var(--space-md);
  max-width: 40rem;
  font-size: 1.125rem;
  color: color-mix(in srgb, var(--black) 72%, transparent);
}

.page-header__lead p + p {
  margin-top: var(--space-sm);
}

.page-header__accent {
  display: inline-block;
  width: 48px;
  height: 4px;
  background: var(--red);
  margin-top: var(--space-sm);
  border-radius: 2px;
  animation: accent-grow 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.3s both;
}

/* ——— About ——— */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.about-intro {
  font-size: 1.125rem;
}

.about-intro__p {
  margin-top: 1rem;
}

.about-illustration {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-illustration__frame {
  position: relative;
  width: min(100%, 380px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid color-mix(in srgb, var(--black) 10%, transparent);
  box-shadow: var(--shadow);
  animation: float-block 6s ease-in-out infinite;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow var(--transition);
}

.about-illustration__frame:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 16px 48px rgba(17, 17, 17, 0.12);
}

.about-illustration__frame::before {
  content: "";
  position: absolute;
  inset: 0;
  border-left: 4px solid var(--blue);
  z-index: 1;
  pointer-events: none;
}

.about-illustration__img {
  width: 100%;
  height: auto;
  display: block;
  vertical-align: middle;
}

.philosophy {
  margin-bottom: var(--space-2xl);
}

.philosophy h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  margin-bottom: var(--space-lg);
}

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

.philosophy-card {
  background: var(--cream-card);
  border: 1px solid color-mix(in srgb, var(--black) 8%, transparent);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.philosophy-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow);
  transform: translateY(-6px) scale(1.02);
  animation: card-glow 2s ease-in-out infinite;
}

.philosophy-card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.philosophy-card:nth-child(1) h3 { color: var(--blue-dark); }
.philosophy-card:nth-child(2) h3 { color: var(--orange); }
.philosophy-card:nth-child(3) h3 { color: var(--red); }
.philosophy-card:nth-child(4) h3 { color: color-mix(in srgb, var(--yellow) 85%, var(--black)); }

.philosophy-card.is-visible {
  animation: fade-up 0.6s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.philosophy-card__tagline {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--black);
  margin-bottom: var(--space-xs);
}

.philosophy-card p:last-child {
  font-size: 0.9375rem;
  color: color-mix(in srgb, var(--black) 70%, transparent);
}

.personal-links {
  margin-bottom: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid color-mix(in srgb, var(--black) 8%, transparent);
}

.personal-links h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.personal-links__list {
  list-style: none;
  display: grid;
  gap: var(--space-md);
}

.personal-links__label {
  display: block;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 2px;
}

/* ——— Featured project (LemonTwist) ——— */
.featured-project {
  background: var(--cream-card);
  border: 1px solid color-mix(in srgb, var(--black) 8%, transparent);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
  border-left: 4px solid var(--blue);
}

.featured-project__header {
  margin-bottom: var(--space-lg);
}

.featured-project__header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.5vw, 2rem);
  line-height: 1.15;
  font-weight: 700;
}

.featured-project__layout {
  display: grid;
  grid-template-columns: minmax(200px, 280px) 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.featured-project__logo-wrap {
  background: var(--black);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.featured-project__logo {
  width: 100%;
  max-width: 260px;
  height: auto;
  object-fit: contain;
}

.featured-project__content p {
  margin-bottom: var(--space-sm);
  color: color-mix(in srgb, var(--black) 72%, transparent);
}

.featured-project__subtitle {
  font-family: var(--font-display);
  font-size: 1.125rem;
  margin: var(--space-md) 0 var(--space-sm);
}

.services-list {
  list-style: none;
  display: grid;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.services-list li {
  font-size: 0.9375rem;
  padding-left: 1rem;
  position: relative;
}

.services-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--orange);
  border-radius: 1px;
  transform: rotate(45deg);
}

.featured-project__links {
  margin: var(--space-md) 0;
  font-size: 0.9375rem;
}

.featured-project__links p {
  margin-bottom: var(--space-xs);
}

.featured-project__links strong {
  display: inline-block;
  min-width: 5.5rem;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: color-mix(in srgb, var(--black) 55%, transparent);
}

.featured-project__contact {
  margin-top: var(--space-md);
  font-size: 0.9375rem;
}

.featured-project__contact a {
  font-weight: 500;
}

/* ——— Project blocks (Radio, Exp) ——— */
.project-block {
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  background: var(--cream-card);
  border: 1px solid color-mix(in srgb, var(--black) 8%, transparent);
  border-radius: var(--radius-lg);
  transition: transform var(--transition), box-shadow var(--transition);
}

.project-block:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.project-block--radio {
  border-left: 4px solid var(--orange);
}

.project-block--exp {
  border-left: 4px solid var(--red);
  margin-bottom: var(--space-2xl);
}

.project-block h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.project-block p {
  color: color-mix(in srgb, var(--black) 72%, transparent);
  max-width: 40rem;
}

.project-block p + p {
  margin-top: var(--space-xs);
}

/* ——— Projects ——— */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.filter-btn {
  padding: 0.5rem 1rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  background: transparent;
  border: 1px solid color-mix(in srgb, var(--black) 15%, transparent);
  border-radius: var(--radius);
  color: var(--black);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.is-active {
  border-color: var(--blue);
  color: var(--blue-dark);
  background: color-mix(in srgb, var(--blue) 8%, transparent);
}

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

.project-card {
  background: var(--cream-card);
  border: 1px solid color-mix(in srgb, var(--black) 8%, transparent);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.project-card:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.project-card__visual {
  aspect-ratio: 16 / 10;
  position: relative;
  overflow: hidden;
  background: color-mix(in srgb, var(--cream) 50%, var(--black) 3%);
}

.project-card__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 60%, color-mix(in srgb, var(--blue) 12%, transparent));
}

.project-card__geo {
  position: absolute;
}

.project-card[data-accent="blue"] .project-card__geo--main { background: var(--blue); }
.project-card[data-accent="red"] .project-card__geo--main { background: var(--red); }
.project-card[data-accent="yellow"] .project-card__geo--main { background: var(--yellow); }
.project-card[data-accent="orange"] .project-card__geo--main { background: var(--orange); }

.project-card__geo--main {
  width: 64px;
  height: 64px;
  top: 30%;
  left: 20%;
  transform: rotate(12deg);
  border-radius: var(--radius);
}

.project-card__geo--sub {
  width: 24px;
  height: 24px;
  bottom: 25%;
  right: 25%;
  border-radius: 50%;
  background: var(--black);
  opacity: 0.2;
}

.project-card__body {
  padding: var(--space-md);
}

.project-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-xs);
  font-size: 0.8125rem;
}

.project-card__meta span {
  color: color-mix(in srgb, var(--black) 55%, transparent);
}

.project-card__meta .role {
  color: var(--blue);
  font-weight: 600;
}

.project-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
}

.project-card p {
  font-size: 0.9375rem;
  color: color-mix(in srgb, var(--black) 68%, transparent);
}

.project-card.is-hidden {
  display: none;
}

/* ——— Contact ——— */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-xl);
  align-items: start;
  padding-bottom: var(--space-2xl);
}

.contact-intro p {
  font-size: 1.125rem;
  margin-bottom: var(--space-lg);
}

.contact-links {
  list-style: none;
}

.contact-links li {
  margin-bottom: var(--space-sm);
  font-size: 0.9375rem;
}

.contact-links strong {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--black) 50%, transparent);
  margin-bottom: 2px;
}

.contact-form-wrap,
.fillout-embed {
  background: var(--cream-card);
  border: 1px solid color-mix(in srgb, var(--black) 8%, transparent);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.contact-emails {
  margin-top: var(--space-lg);
}

.contact-emails p {
  margin-bottom: var(--space-sm);
  font-size: 0.9375rem;
}

.contact-emails strong {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--black) 50%, transparent);
  margin-bottom: 4px;
  font-family: var(--font-body);
}

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

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--black);
  background: var(--cream);
  border: 1px solid color-mix(in srgb, var(--black) 12%, transparent);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}

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

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-status {
  margin-top: var(--space-sm);
  font-size: 0.875rem;
  min-height: 1.25rem;
}

.form-status.is-success { color: var(--blue-dark); }
.form-status.is-error { color: var(--red); }

/* ——— Animations ——— */
@keyframes geo-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(6deg); }
}

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

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes geo-pulse {
  0%, 100% { transform: scale(1); opacity: 0.35; }
  50% { transform: scale(1.15); opacity: 0.55; }
}

@keyframes logo-soft {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  40%, 100% { transform: translateX(100%); }
}

@keyframes accent-grow {
  from { width: 0; opacity: 0; }
  to { width: 48px; opacity: 1; }
}

@keyframes card-glow {
  0%, 100% { box-shadow: 0 4px 24px rgba(17, 17, 17, 0.06); }
  50% { box-shadow: 0 8px 32px color-mix(in srgb, var(--blue) 12%, transparent); }
}

@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-1deg); }
  75% { transform: rotate(1deg); }
}

@keyframes float-block {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes border-rotate {
  to { transform: rotate(360deg); }
}

@keyframes dot-bounce {
  0%, 100% { transform: translateX(-50%) rotate(45deg) scale(1); }
  50% { transform: translateX(-50%) rotate(45deg) scale(1.25); }
}

@keyframes brand-pop {
  0%, 100% { color: var(--blue-dark); }
  50% { color: var(--orange); }
}

@keyframes line-slide {
  from { opacity: 0; transform: translateX(-12px); }
  to { opacity: 1; transform: translateX(0); }
}

.animate-wiggle {
  display: inline-block;
  animation: wiggle 4s ease-in-out infinite;
}

.animate-gradient-text {
  background: linear-gradient(
    90deg,
    var(--black) 0%,
    var(--blue-dark) 35%,
    var(--black) 70%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer-text 6s linear infinite;
}

@keyframes shimmer-text {
  to { background-position: 200% center; }
}

.brand-name {
  font-weight: 600;
  animation: brand-pop 3s ease-in-out infinite;
}

.hero__intro.is-visible .stagger-line,
.hero__intro .stagger-line {
  opacity: 0;
}

.hero__intro.is-visible .stagger-line:nth-child(1) {
  animation: line-slide 0.6s ease forwards 0.15s;
}

.hero__intro.is-visible .stagger-line:nth-child(2) {
  animation: line-slide 0.6s ease forwards 0.35s;
}

.hero__intro.is-visible .stagger-line:nth-child(3) {
  animation: line-slide 0.6s ease forwards 0.55s;
}

.featured-project--animated {
  position: relative;
  overflow: hidden;
}

.featured-project--animated::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-lg) + 2px);
  background: conic-gradient(
    from 0deg,
    var(--blue),
    var(--yellow),
    var(--orange),
    var(--red),
    var(--blue)
  );
  z-index: -1;
  animation: border-rotate 8s linear infinite;
  opacity: 0.35;
}

.featured-project--animated::after {
  content: "";
  position: absolute;
  inset: 2px;
  background: var(--cream-card);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.project-block--float {
  animation: float-block 5s ease-in-out infinite;
}

.project-block--exp {
  animation-delay: -2.5s;
}

.philosophy-card--tilt {
  transform-style: preserve-3d;
  perspective: 800px;
}

.orbit__dot--blue {
  animation: dot-bounce 2s ease-in-out infinite;
}

.orbit__dot--red {
  animation: geo-pulse 2.5s ease-in-out infinite;
}

.orbit__dot--yellow {
  animation: geo-float 3s ease-in-out infinite;
}

.personal-links__list li {
  transition: transform 0.25s ease, padding-left 0.25s ease;
}

.personal-links__list li:hover {
  transform: translateX(8px);
}

a:not(.btn):hover {
  letter-spacing: 0.01em;
}

.site-footer {
  animation: fade-up 0.8s ease 0.5s both;
}

.page-header h1 {
  animation: fade-up 0.7s cubic-bezier(0.4, 0, 0.2, 1) 0.1s both;
}

.services-list li::before {
  animation: geo-pulse 2s ease-in-out infinite;
}

.services-list li:nth-child(odd)::before {
  animation-delay: -0.5s;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

.site-header {
  animation: fade-up 0.6s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.btn--primary {
  position: relative;
  overflow: hidden;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px color-mix(in srgb, var(--blue) 35%, transparent);
}

.btn-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  transform: scale(0);
  animation: ripple 0.6s ease-out forwards;
  pointer-events: none;
}

@keyframes ripple {
  to {
    transform: scale(2.5);
    opacity: 0;
  }
}

.btn--shimmer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255, 255, 255, 0.25) 50%,
    transparent 60%
  );
  transform: translateX(-100%);
  animation: shimmer 3s ease-in-out infinite;
}

.featured-project__logo-wrap {
  animation: logo-soft 5s ease-in-out infinite;
}

.project-block--radio:hover {
  border-left-color: var(--yellow);
}

.services-list li {
  animation: fade-up 0.5s ease both;
}

.services-list li:nth-child(1) { animation-delay: 0.05s; }
.services-list li:nth-child(2) { animation-delay: 0.1s; }
.services-list li:nth-child(3) { animation-delay: 0.15s; }
.services-list li:nth-child(4) { animation-delay: 0.2s; }
.services-list li:nth-child(5) { animation-delay: 0.25s; }
.services-list li:nth-child(6) { animation-delay: 0.3s; }

.featured-project {
  transition: box-shadow var(--transition);
}

.featured-project:hover {
  box-shadow: 0 12px 40px rgba(17, 17, 17, 0.08);
}

@media (prefers-reduced-motion: reduce) {
  .geo,
  .orbit,
  .orbit__ring::before,
  .orbit__ring--inner,
  .orbit__dot,
  .about-illustration__frame,
  .reveal,
  .logo--pulse,
  .btn--shimmer::before,
  .services-list li,
  .animate-wiggle,
  .animate-gradient-text,
  .brand-name,
  .project-block--float,
  .featured-project--animated::before,
  .page-header h1,
  .site-footer {
    animation: none !important;
    transition: none !important;
  }

  .animate-gradient-text {
    -webkit-text-fill-color: var(--black);
    background: none;
  }

  .hero__intro .stagger-line {
    opacity: 1;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ——— Footer ——— */
.site-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  font-size: 0.875rem;
  color: color-mix(in srgb, var(--black) 55%, transparent);
  border-top: 1px solid color-mix(in srgb, var(--black) 6%, transparent);
}

/* ——— Responsive ——— */
@media (max-width: 900px) {
  .hero,
  .about-grid,
  .contact-layout,
  .featured-project__layout {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    order: -1;
  }

  .orbit {
    width: 200px;
    height: 200px;
  }

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

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

@media (max-width: 640px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(280px, 85vw);
    height: 100vh;
    flex-direction: column;
    padding: 5rem var(--space-lg) var(--space-lg);
    background: var(--cream-card);
    border-left: 1px solid color-mix(in srgb, var(--black) 10%, transparent);
    transform: translateX(100%);
    transition: transform var(--transition);
    gap: var(--space-md);
  }

  .main-nav.is-open {
    transform: translateX(0);
  }

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