:root {

  --color-blue-400: #60a5fa;
  --color-blue-500: #3b82f6;
  --color-blue-600: #2563eb;
  --color-blue-700: #1d4ed8;

  --color-primary-500: var(--color-blue-500);
  --color-primary-600: var(--color-blue-600);
  --color-primary-700: var(--color-blue-700);

  --color-white: #ffffff;
  --color-neutral-50: #fafafa;
  --color-neutral-100: #f5f5f5;
  --color-neutral-200: #e5e5e5;
  --color-neutral-300: #d4d4d4;
  --color-neutral-400: #a3a3a3;
  --color-neutral-500: #737373;
  --color-neutral-600: #525252;
  --color-neutral-800: #262626;
  --color-neutral-900: #171717;
  --color-neutral-950: #0a0a0a;

  --color-surface: #fafafa;
  --color-surface-alt: #f8f9fb;
  --color-surface-accent: #f0eef9;
  --color-surface-accent-hover: #e5e2f3;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
  --shadow-blue: 0 10px 15px -3px rgba(59,130,246,0.3);
  --shadow-blue-hover: 0 10px 15px -3px rgba(59,130,246,0.5);

  --font-family: 'Plus Jakarta Sans', ui-sans-serif, system-ui, sans-serif;

  --container-max: 80rem;
  --container-lg: 56rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-4xl: 2rem;
  --radius-5xl: 2.5rem;
  --radius-full: 9999px;

  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-slower: 700ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-neutral-900);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

ul, ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6, p {
  margin: 0;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

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

.mesh-gradient {
  background-color: var(--color-white);
  background-image:
    radial-gradient(at 0% 0%, rgba(21, 93, 252, 0.08) 0, transparent 50%),
    radial-gradient(at 100% 0%, rgba(0, 184, 219, 0.08) 0, transparent 50%),
    radial-gradient(at 100% 100%, rgba(21, 93, 252, 0.08) 0, transparent 50%),
    radial-gradient(at 0% 100%, rgba(0, 184, 219, 0.08) 0, transparent 50%);
}

.text-xs   { font-size: 0.75rem; line-height: 1rem; }
.text-sm   { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg   { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl   { font-size: 1.25rem; line-height: 1.75rem; }
.text-2xl  { font-size: 1.5rem; line-height: 2rem; }
.text-3xl  { font-size: 1.875rem; line-height: 2.25rem; }
.text-4xl  { font-size: 2.25rem; line-height: 2.5rem; }
.text-5xl  { font-size: 3rem; line-height: 1; }
.text-6xl  { font-size: 3.75rem; line-height: 1; }
.text-7xl  { font-size: 4.5rem; line-height: 1; }

.font-normal   { font-weight: 400; }
.font-medium   { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold     { font-weight: 700; }

.tracking-tight  { letter-spacing: -0.025em; }
.tracking-wider  { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.1em; }

.leading-tight   { line-height: 1.25; }
.leading-snug    { line-height: 1.375; }
.leading-relaxed { line-height: 1.625; }

.uppercase { text-transform: uppercase; }

.site-nav {
  position: fixed;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 56rem;
  padding-inline: 1rem;
  z-index: 50;
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  padding: 0.5rem 0.5rem 0.5rem 1.5rem;
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(12px);
}

.site-nav__logo {
  display: inline-flex;
  align-items: center;
  line-height: 0;
  text-decoration: none;
}

.site-nav__logo-img {
  height: 27px;
  width: auto;
  display: block;
}

.site-nav__links {
  display: none;
  gap: 1.5rem;
  align-items: center;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.site-nav__links a {
  font-size: 0.875rem;
  color: var(--color-neutral-400);
  transition: color var(--transition-fast);
}

@media (hover: hover) {
  .site-nav__links a:hover {
    color: var(--color-white);
  }
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: box-shadow var(--transition-base), background var(--transition-base), transform var(--transition-base);
}

.btn--primary {
  position: relative;
  overflow: hidden;
  background: linear-gradient(to bottom right, var(--color-blue-500), var(--color-blue-700));
  color: var(--color-white);
  box-shadow: var(--shadow-blue);
}

.btn--primary-sm {
  padding: 0.625rem 1.5rem;
  font-size: 0.875rem;
}

.btn--primary-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
  border: 1px solid rgba(96, 165, 250, 0.2);
}

.btn--primary-shine {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.btn__icon {
  transition: transform var(--transition-base);
}

@media (hover: hover) {
  .btn--primary:hover {
    box-shadow: var(--shadow-blue-hover);
  }

  .btn--primary:hover .btn--primary-shine {
    transform: translateY(0);
  }

  .btn--primary:hover .btn__icon {
    transform: translateX(0.25rem);
  }
}

.btn--submit {
  width: 100%;
  padding: 1rem 2rem;
  font-size: 1.125rem;
  font-weight: 500;
  background: var(--color-neutral-900);
  color: var(--color-white);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg), 0 4px 6px rgba(229,229,229,0.5);
  transition: background var(--transition-fast);
}

@media (hover: hover) {
  .btn--submit:hover {
    background: var(--color-neutral-800);
  }
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 85vh;
  padding-top: 10rem;
  padding-bottom: 6rem;
  overflow: hidden;
}

.hero__inner {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
  text-align: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 1rem;
  margin-bottom: 2rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-neutral-500);
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-full);
  backdrop-filter: blur(12px);
}

.hero__title {
  max-width: 64rem;
  margin-inline: auto;
  margin-bottom: 2rem;
  font-size: 3rem;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--color-neutral-900);
}

.hero__title-line2 {
  display: inline-block;
  white-space: nowrap;
}

@media (max-width: 639px) {
  .hero__title-line2 {
    white-space: normal;
  }
}

.hero__title-accent {
  color: var(--color-blue-600);
}

.hero__lead {
  max-width: 48rem;
  margin-inline: auto;
  margin-bottom: 3rem;
  font-size: 1.125rem;
  line-height: 1.625;
  color: var(--color-neutral-600);
}

.hero__cta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  max-width: 28rem;
  margin-inline: auto;
}

@media (min-width: 640px) {
  .hero__cta {
    flex-direction: row;
  }
  .hero__cta .btn--primary-lg {
    width: auto;
  }
}

@media (min-width: 768px) {
  .hero__title {
    font-size: 3.75rem;
  }
  .hero__lead {
    font-size: 1.25rem;
  }
}

@media (min-width: 1024px) {
  .hero__title {
    font-size: 4.5rem;
  }
}

.section-services {
  position: relative;
  padding-block: 6rem;
  background: var(--color-white);
  border-top: 1px solid var(--color-neutral-200);
  border-bottom: 1px solid var(--color-neutral-200);
  overflow: hidden;
}

.section-services__inner {
  position: relative;
  z-index: 10;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section-services__header {
  display: flex;
  flex-direction: column;
  margin-bottom: 4rem;
}

.section-services__label-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.section-services__line {
  width: 3rem;
  height: 1px;
  background: var(--color-blue-600);
}

.section-services__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-blue-600);
}

.section-services__line--flex {
  flex: 1;
  background: var(--color-neutral-200);
}

.section-services__intro {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.section-services__title {
  max-width: 48rem;
  font-size: 1.875rem;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--color-neutral-900);
}

.section-services__desc {
  max-width: 28rem;
  font-size: 1rem;
  line-height: 1.625;
  color: var(--color-neutral-600);
}

@media (min-width: 768px) {
  .section-services__title {
    font-size: 2.25rem;
  }
}

@media (min-width: 1024px) {
  .section-services__intro {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 4rem;
  }
  .section-services__title {
    font-size: 3rem;
  }
  .section-services__desc {
    flex-shrink: 0;
  }
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  display: flex;
  flex-direction: column;
  padding: 2.5rem 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-neutral-100);
  border-radius: var(--radius-5xl);
  transition:
    box-shadow var(--transition-slow),
    border-color var(--transition-slow);
}

@media (hover: hover) {
  .service-card:hover {
    border-color: var(--color-blue-500);
    box-shadow: var(--shadow-xl);
  }
}

.service-card--between {
  justify-content: space-between;
}

.service-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  margin-bottom: 1.5rem;
  background: rgba(219, 234, 254, 0.5);
  border-radius: var(--radius-2xl);
  color: var(--color-blue-600);
}

.service-card__title {
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.025em;
  color: var(--color-neutral-900);
}

.service-card__title--lg {
  font-size: 1.875rem;
  margin-bottom: 2.5rem;
}

.service-card__text {
  font-size: 1rem;
  line-height: 1.625;
  color: var(--color-neutral-500);
}

.service-card__text + .service-card__text {
  margin-top: 1.5rem;
}

.service-card__footer {
  padding-top: 2rem;
  margin-top: 3rem;
}

.service-card__footer-text {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  line-height: 1.625;
  color: var(--color-neutral-400);
}

.service-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.service-card__tag {
  font-size: 0.875rem;
  color: var(--color-blue-600);
}

.service-card__meta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: auto;
}

.service-card__meta-item {
  display: flex;
  flex-direction: column;
}

.service-card__meta-label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-neutral-400);
  margin-bottom: 0.5rem;
}

.service-card__meta-value {
  font-size: 1rem;
  color: var(--color-neutral-500);
}

.service-card__divider {
  width: 100%;
  height: 1px;
  margin-block: 0.5rem;
  background: rgba(229, 229, 229, 0.5);
}

.section-projects {
  position: relative;
  padding-block: 6rem;
  background: var(--color-white);
  overflow: hidden;
}

.section-projects__inner {
  position: relative;
  z-index: 10;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section-projects__header {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 4rem;
}

.section-projects__title {
  font-size: 2.25rem;
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--color-neutral-900);
  margin-bottom: 1rem;
}

.section-projects__desc {
  font-size: 1.125rem;
  color: var(--color-neutral-600);
}

@media (min-width: 768px) {
  .section-projects__title {
    font-size: 3rem;
  }
}

.project-feature {
  display: flex;
  flex-direction: column;
  background: var(--color-surface-alt);
  border-radius: var(--radius-5xl);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

@media (hover: hover) {
  .project-feature:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.15);
  }
}

.project-feature__image {
  position: relative;
  width: 100%;
  height: 350px;
}

.project-feature__image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@media (hover: hover) {
  .project-feature:hover .project-feature__image img {
    transform: scale(1.08);
  }
}

.project-feature__badge {
  position: absolute;
  top: 2rem;
  left: 2rem;
  display: inline-flex;
  padding: 0.375rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-neutral-900);
  background: var(--color-white);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  z-index: 10;
}

.project-feature__content {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2.5rem;
  background: var(--color-surface-alt);
}

.project-feature__title {
  max-width: 24rem;
  margin-bottom: 1.5rem;
  font-size: 2.25rem;
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--color-neutral-900);
}

.project-feature__text {
  max-width: 28rem;
  margin-bottom: 2rem;
  font-size: 1.125rem;
  line-height: 1.625;
  color: var(--color-neutral-500);
}

.project-feature__arrow {
  position: absolute;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background: var(--color-surface-accent);
  border-radius: var(--radius-full);
  color: var(--color-neutral-900);
  transition: transform var(--transition-base), background var(--transition-base),
    color var(--transition-base), box-shadow var(--transition-base);
}

@media (hover: hover) {
  .project-feature:hover .project-feature__arrow {
    transform: scale(1.1) translateX(4px);
    background: var(--color-white);
    color: var(--color-primary-600);
    box-shadow: var(--shadow-blue);
  }
}

@media (min-width: 1024px) {
  .project-feature {
    flex-direction: row;
  }
  .project-feature__image {
    width: 50%;
    height: 500px;
  }
  .project-feature__content {
    width: 50%;
    padding: 4rem;
  }
  .project-feature__title {
    font-size: 3rem;
  }
  .project-feature__arrow {
    bottom: 3rem;
    right: 3rem;
  }
}

.project-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

@media (min-width: 768px) {
  .project-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
}

.project-thumb {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  cursor: pointer;
  transition: transform var(--transition-base);
}

@media (hover: hover) {
  .project-thumb:hover {
    transform: translateY(-6px);
  }
}

.project-thumb__image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-neutral-100);
  border-radius: var(--radius-4xl);
  box-shadow: 0 4px 12px -2px rgba(0, 0, 0, 0.08);
  transition: box-shadow var(--transition-base);
}

@media (hover: hover) {
  .project-thumb:hover .project-thumb__image {
    box-shadow: 0 12px 28px -6px rgba(0, 0, 0, 0.15);
  }
}

.project-thumb__image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slower);
}

@media (hover: hover) {
  .project-thumb:hover .project-thumb__image img {
    transform: scale(1.05);
  }
}

.project-thumb__badge {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  display: inline-flex;
  padding: 0.375rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-neutral-900);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  z-index: 10;
}

.project-thumb__title {
  padding-inline: 0.25rem;
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--color-neutral-900);
}

.section-contact {
  position: relative;
  padding-block: 6rem;
  background: var(--color-white);
  border-top: 1px solid var(--color-neutral-200);
  overflow: hidden;
}

.section-contact__inner {
  position: relative;
  z-index: 10;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.contact-panel {
  position: relative;
  padding: 2rem;
  background: var(--color-neutral-50);
  border: 1px solid rgba(229, 229, 229, 0.6);
  border-radius: var(--radius-5xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.contact-panel__inner {
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  max-width: 64rem;
  margin-inline: auto;
  text-align: left;
}

@media (min-width: 768px) {
  .contact-panel {
    padding: 4rem;
  }
}

@media (min-width: 1024px) {
  .contact-panel {
    padding: 6rem;
  }
  .contact-panel__inner {
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: start;
  }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-info__title {
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--color-neutral-900);
}

.contact-info__list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  font-size: 1.125rem;
  line-height: 1.625;
  color: var(--color-neutral-600);
}

@media (min-width: 768px) {
  .contact-info__title {
    font-size: 1.875rem;
  }
}

@media (min-width: 1024px) {
  .contact-info {
    padding-top: 1rem;
  }
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-field__label {
  font-size: 0.875rem;
  color: var(--color-neutral-500);
}

.form-field__input,
.form-field__textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-neutral-900);
  background: var(--color-white);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-field__input::placeholder,
.form-field__textarea::placeholder {
  color: var(--color-neutral-400);
}

.form-field__input:focus,
.form-field__textarea:focus {
  outline: none;
  border-color: var(--color-blue-500);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
}

.form-field__textarea {
  resize: none;
}

.contact-form .btn--submit {
  margin-top: 1rem;
}

.site-footer {
  background: var(--color-neutral-950);
  color: var(--color-white);
}

.site-footer__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 5rem 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}

.footer-brand__logo {
  display: inline-flex;
  align-items: center;
  line-height: 0;
  text-decoration: none;
  margin-bottom: 1.5rem;
}

.footer-brand__logo-img {
  height: 30px;
  width: auto;
  display: block;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.footer-links__group h4 {
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-white);
}

.footer-links__list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-links__list a {
  font-size: 0.875rem;
  color: var(--color-neutral-400);
  transition: color var(--transition-fast);
}

@media (hover: hover) {
  .footer-links__list a:hover {
    color: var(--color-white);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 5fr 7fr;
    gap: 2rem;
  }
}

.site-footer__bottom {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
  margin-top: 6rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer__copy {
  font-size: 0.875rem;
  color: var(--color-neutral-500);
}

@media (min-width: 768px) {
  .site-footer__bottom {
    flex-direction: row;
  }
}

.project-detail-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-neutral-200);
}

.project-detail-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 1rem 1.5rem;
}

.project-detail-header__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-neutral-600);
  transition: color var(--transition-fast);
}

@media (hover: hover) {
  .project-detail-header__back:hover {
    color: var(--color-blue-600);
  }
}

.project-detail {
  padding-block: 4rem;
  background: var(--color-white);
}

.project-detail__article {
  max-width: 56rem;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.project-detail-hero {
  margin-bottom: 3rem;
}

.project-detail-eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.375rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-blue-600);
  background: rgba(219, 234, 254, 0.5);
  border-radius: var(--radius-full);
}

.project-detail-title {
  margin-bottom: 1rem;
  font-size: 2.5rem;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--color-neutral-900);
}

.project-detail-lead {
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--color-neutral-600);
}

.project-detail-hero-image {
  margin: 0 0 3rem;
  overflow: hidden;
  border-radius: var(--radius-3xl);
}

.project-detail-hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

@media (min-width: 768px) {
  .project-detail-title {
    font-size: 3rem;
  }
}

.project-detail-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding: 2rem;
  margin-bottom: 3rem;
  background: var(--color-surface);
  border: 1px solid var(--color-neutral-100);
  border-radius: var(--radius-3xl);
}

.project-detail-meta__item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.project-detail-meta__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-neutral-400);
}

.project-detail-meta__value {
  font-size: 1rem;
  color: var(--color-neutral-900);
}

@media (min-width: 768px) {
  .project-detail-meta {
    grid-template-columns: repeat(2, 1fr);
  }
}

.project-detail-section {
  margin-bottom: 3rem;
}

.project-detail-section__title {
  margin-bottom: 1rem;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--color-neutral-900);
}

.project-detail-section__text {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-neutral-600);
}

.stack-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 0;
}

.stack-list__item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-neutral-100);
  border-radius: var(--radius-xl);
}

.stack-list__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-neutral-400);
}

.stack-list__value {
  margin: 0;
  font-size: 1rem;
  color: var(--color-neutral-900);
}

@media (min-width: 640px) {
  .stack-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.project-detail-gallery {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-neutral-200);
}

.project-detail-pager {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-neutral-200);
  background: var(--color-white);
}

.project-detail-pager__link {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.75rem 1.25rem;
  text-decoration: none;
  color: inherit;
  outline-offset: 4px;
}

.project-detail-pager__link:focus-visible {
  outline: 2px solid var(--color-blue-500);
  border-radius: var(--radius-xl);
}

.project-detail-pager__link--prev {
  align-items: flex-start;
  text-align: left;
}

.project-detail-pager__link--next {
  align-items: flex-end;
  text-align: right;
  border-top: 1px solid var(--color-neutral-200);
}

.project-detail-pager__arrow {
  display: flex;
  color: var(--color-neutral-900);
  line-height: 0;
}

.project-detail-pager__label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-neutral-400);
}

.project-detail-pager__title {
  margin: 0;
  max-width: 100%;
  font-size: 1.375rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--color-neutral-900);
  transition: color var(--transition-fast);
}

@media (min-width: 768px) {
  .project-detail-pager {
    grid-template-columns: 1fr 1fr;
  }

  .project-detail-pager__link {
    padding: 2rem 1.75rem;
  }

  .project-detail-pager__link--prev {
    padding-right: 2.5rem;
  }

  .project-detail-pager__link--next {
    padding-left: 2.5rem;
    border-top: none;
    border-left: 1px solid var(--color-neutral-200);
  }

  .project-detail-pager__title {
    font-size: 1.625rem;
  }
}

@media (hover: hover) {
  .project-detail-pager__link:hover .project-detail-pager__title {
    color: var(--color-blue-600);
  }
}

.carousel {
  position: relative;
}

.carousel__viewport {
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.carousel__viewport::-webkit-scrollbar {
  display: none;
}

.carousel__track {
  display: flex;
  gap: 1rem;
}

.carousel__slide {
  flex: 0 0 100%;
  min-width: 0;
  margin: 0;
  scroll-snap-align: start;
  scroll-margin-inline: 0;
}

@media (min-width: 768px) {
  .carousel__slide {
    flex: 0 0 calc(100% - 2rem);
  }
}

.carousel__slide img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-3xl);
  object-fit: cover;
}

.carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.carousel__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  box-sizing: border-box;
  background: var(--color-surface);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-full);
  color: var(--color-neutral-600);
  text-decoration: none;
  cursor: pointer;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

@media (hover: hover) {
  .carousel__btn:hover {
    background: var(--color-blue-500);
    border-color: var(--color-blue-500);
    color: var(--color-white);
  }
}

.carousel__btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.carousel__btn:focus:not(:focus-visible),
.carousel__dot:focus:not(:focus-visible) {
  outline: none;
}

.carousel__dots {
  display: flex;
  gap: 0.5rem;
}

.carousel__dot {
  display: block;
  width: 0.625rem;
  height: 0.625rem;
  padding: 0;
  box-sizing: border-box;
  background: var(--color-neutral-200);
  border: none;
  border-radius: var(--radius-full);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

@media (hover: hover) {
  .carousel__dot:hover {
    background: var(--color-neutral-400);
    border-color: var(--color-neutral-500);
  }
}


.carousel[data-active="1"] .carousel__dot--s1,
.carousel[data-active="2"] .carousel__dot--s2,
.carousel[data-active="3"] .carousel__dot--s3,
.carousel[data-active="4"] .carousel__dot--s4,
.carousel[data-active="5"] .carousel__dot--s5,
.carousel[data-active="6"] .carousel__dot--s6,
.carousel[data-active="7"] .carousel__dot--s7 {
  background: var(--color-blue-500);
  border-color: var(--color-blue-600);
  transform: scale(1.2);
}

.carousel__flip {
  display: none;
}

.carousel:not([data-active]) .carousel__flip--s1,
.carousel[data-active="1"] .carousel__flip--s1,
.carousel[data-active="2"] .carousel__flip--s2,
.carousel[data-active="3"] .carousel__flip--s3,
.carousel[data-active="4"] .carousel__flip--s4,
.carousel[data-active="5"] .carousel__flip--s5,
.carousel[data-active="6"] .carousel__flip--s6,
.carousel[data-active="7"] .carousel__flip--s7 {
  display: flex;
}

.project-feature--link {
  display: flex;
  text-decoration: none;
  color: inherit;
}

.project-thumb--link {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  text-decoration: none;
  color: inherit;
}

.success-message {
    color: #16a34a;
    margin-top: 10px;
}

.error-message {
    color: #dc2626;
    margin-top: 10px;
}

.validation-error {
    border: 1px solid #dc2626 !important;
    box-shadow: 0 0 0 3px rgba(220,38,38,.15);
}

.validation-message {
    min-height: 20px;
    margin-top: 6px;
    color: #dc2626;
    font-size: 13px;
    font-weight: 500;
}

.success-message {
    margin-top: 12px;
    color: #16a34a;
    font-weight: 500;
}

.error-message {
    margin-top: 12px;
    color: #dc2626;
    font-weight: 500;
}

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-left: 8px;
    border: 2px solid rgba(255,255,255,.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .8s linear infinite;
    vertical-align: middle;
}

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

.btn--submit:disabled {
    opacity: .7;
    cursor: not-allowed;
}