/* Techno Hut Consulting — marketing site */
:root {
  --color-navy: #050735;
  --color-crimson: #a52a2a;
  --color-crimson-hover: #8b2323;
  --color-bg: #f8f9fc;
  --color-bg-alt: #ffffff;
  --color-text: #1a1d2e;
  --color-text-muted: #5c6178;
  --color-border: #e2e5ef;
  --font-stack: "Open Sans", "Inter", -apple-system, BlinkMacSystemFont, sans-serif !important;
  --radius-pill: 9999px;
  --radius-card: 12px;
  --shadow-sm: 0 1px 2px rgba(5, 7, 53, 0.06);
  --shadow-md: 0 8px 24px rgba(5, 7, 53, 0.08);
  --header-h: 72px;
  --focus-ring: 2px solid var(--color-crimson);
  --focus-offset: 2px;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  font-family: var(--font-stack);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

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

a {
  color: var(--color-crimson);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

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

:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 1000;
  padding: 0.75rem 1rem;
  background: var(--color-navy);
  color: #fff;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.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;
}

.container {
  width: 100%;
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.container--narrow {
  max-width: 48rem;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 249, 252, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  max-width: 72rem;
  margin-inline: auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  min-height: var(--header-h);
}

.site-logo {
  display: flex;
  align-items: center;
  line-height: 0;
  flex-shrink: 0;
  order: 1;
}

.site-logo img {
  width: auto;
  height: 52px;
  max-width: min(200px, 42vw);
  object-fit: contain;
}

@media (min-width: 640px) {
  .site-logo img {
    height: 56px;
    max-width: 220px;
  }
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 8px;
  order: 2;
  margin-left: auto;
}

.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-navy);
  margin-inline: auto;
}

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

.site-nav {
  display: none;
  flex: 1 0 100%;
  order: 3;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  margin: 0 -1.25rem -0.75rem;
  padding: 0.5rem 1.25rem 1rem;
  box-shadow: var(--shadow-md);
}

.site-nav.is-open {
  display: block;
}

@media (min-width: 768px) {
  .nav-toggle {
    margin-left: 0;
  }

  .site-nav {
    display: block;
    flex: 0 1 auto;
    order: 2;
    width: auto;
    margin: 0;
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
  }
}

.site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

@media (min-width: 768px) {
  .site-nav__list {
    flex-direction: row;
    align-items: center;
    gap: 0.35rem;
  }
}

.site-nav a {
  display: block;
  min-height: 44px;
  line-height: 44px;
  padding-inline: 0.75rem;
  color: var(--color-navy);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-pill);
}

.site-nav a:hover {
  background: rgba(5, 7, 53, 0.06);
  color: var(--color-navy);
}

.site-nav__cta {
  background: var(--color-crimson);
  color: #fff !important;
  margin-top: 0.25rem;
}

.site-nav__cta:hover {
  background: var(--color-crimson-hover);
  color: #fff !important;
}

@media (min-width: 768px) {
  .site-nav__cta {
    margin-top: 0;
    margin-left: 0.35rem;
  }
}

/* Hero + carousel */
.hero {
  padding: 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

.hero-carousel {
  outline: none;
}

.hero-carousel:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 4px;
}

.hero-carousel__viewport {
  position: relative;
  min-height: 34rem;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero-carousel__viewport {
    min-height: 30rem;
  }
}

@media (min-width: 960px) {
  .hero-carousel__viewport {
    min-height: 28rem;
  }
}

.hero-carousel__track {
  position: relative;
  min-height: inherit;
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  padding: 2.5rem 1.25rem 3rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

@media (prefers-reduced-motion: reduce) {
  .hero-slide {
    transition: none;
  }
}

.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}

.hero-slide__inner {
  width: 100%;
  max-width: 48rem;
  margin-inline: auto;
}

.hero-slide--a {
  background: linear-gradient(145deg, #ffffff 0%, #eef1f8 55%, var(--color-bg) 100%);
}

.hero-slide--b {
  background: linear-gradient(135deg, #fff5f5 0%, #ffffff 45%, #e8eaf4 100%);
}

.hero-slide--c {
  background: linear-gradient(135deg, var(--color-navy) 0%, #121a6e 100%);
}

.hero-slide--c .hero__eyebrow {
  color: #f0a8a8;
}

.hero-slide--c .hero-slide__title,
.hero-slide--c .hero__lede,
.hero-slide--c .hero-slide__points {
  color: #e8eaf4;
}

.hero-slide--c .hero-slide__points li::marker {
  color: #f0a8a8;
}

.hero-slide--d {
  background: linear-gradient(125deg, #0a0d3a 0%, var(--color-navy) 50%, #1a1f4d 100%);
}

.hero-slide--d .hero__eyebrow {
  color: #c8cbf0;
}

.hero-slide--d .hero-slide__title,
.hero-slide--d .hero__lede,
.hero-slide--d .hero-slide__points {
  color: #e8eaf4;
}

.hero-slide--d .hero-slide__points li::marker {
  color: var(--color-crimson);
}

.hero__eyebrow {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-crimson);
  margin: 0 0 1rem;
}

.hero-slide__title {
  font-family: "Inter", var(--font-stack);
  font-size: clamp(1.65rem, 3.5vw + 0.85rem, 2.35rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-navy);
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.hero__lede {
  margin: 0 0 1.25rem;
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 65ch;
}

.hero-slide__points {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  max-width: 65ch;
}

.hero-slide__points li {
  margin-bottom: 0.45rem;
}

.hero-slide__points--inline {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hero-slide__points--inline li {
  margin: 0;
  padding: 0.35rem 0.85rem;
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-pill);
  font-size: 0.8125rem;
  font-weight: 600;
  color: #e8eaf4;
}

.hero-carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 0 1.25rem 1rem;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.hero-carousel__arrow {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-pill);
  border: 2px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-navy);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-carousel__arrow:hover {
  border-color: var(--color-navy);
  background: var(--color-bg);
}

.hero-carousel__dots {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-carousel__dot {
  width: 12px;
  height: 12px;
  padding: 0;
  border: 2px solid var(--color-navy);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  opacity: 0.35;
}

.hero-carousel__dot:hover,
.hero-carousel__dot:focus-visible {
  opacity: 0.85;
}

.hero-carousel__dot.is-active {
  background: var(--color-crimson);
  border-color: var(--color-crimson);
  opacity: 1;
}

.hero__actions--carousel {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  padding: 1.5rem 1.25rem 2.75rem;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 1.35rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

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

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

.btn--secondary {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}

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

.btn--outline {
  background: transparent;
  color: var(--color-navy);
  border: 2px dashed var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-navy);
  border-style: solid;
  color: var(--color-navy);
}

.btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

/* Sections */
.section {
  padding: 4rem 0;
}

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

.section h2 {
  font-family: "Inter", var(--font-stack);
  font-size: clamp(1.5rem, 2vw + 1rem, 2rem);
  font-weight: 700;
  color: var(--color-navy);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.section__intro {
  margin: 0 0 2rem;
  color: var(--color-text-muted);
  max-width: 65ch;
  font-size: 1.0625rem;
}

/* Cards */
.cards {
  display: grid;
  gap: 1.25rem;
}

.cards--3 {
  grid-template-columns: 1fr;
}

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

.cards--2 {
  grid-template-columns: 1fr;
}

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

.card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

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

.card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-navy);
  margin: 0 0 0.75rem;
}

.card p {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.card ul {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.card ul li {
  margin-bottom: 0.35rem;
}

.tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-crimson);
  background: rgba(165, 42, 42, 0.1);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.75rem;
}

.card--work-muted {
  border-style: dashed;
}

/* ProjectHub band */
.section--projecthub {
  background: linear-gradient(135deg, var(--color-navy) 0%, #0d1250 100%);
  color: #e8eaf4;
}

.section--projecthub h2,
.section--projecthub .section__intro {
  color: #e8eaf4;
}

.section--projecthub .section__intro {
  opacity: 0.92;
}

.chip-list {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip-list li {
  padding: 0.4rem 0.9rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 600;
}

.projecthub__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0;
}

.section--projecthub a:not(.btn) {
  color: #fff;
}

/* Steps */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

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

.steps li {
  position: relative;
  padding: 1.25rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

.section--alt .steps li {
  background: var(--color-bg);
}

.steps__num {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-crimson);
  letter-spacing: 0.08em;
}

.steps h3 {
  margin: 0.35rem 0 0.5rem;
  font-size: 1.125rem;
  color: var(--color-navy);
}

.steps p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* Quote */
.quote {
  margin: 0;
  text-align: center;
}

.quote blockquote {
  margin: 0;
  padding: 2rem 1.5rem;
  background: var(--color-bg-alt);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.quote blockquote p {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--color-navy);
  font-style: italic;
}

.quote figcaption {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Contact */
.section--contact {
  border-top: 1px solid var(--color-border);
}

.contact-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 2rem;
}

@media (min-width: 480px) {
  .contact-grid:not(.contact-grid--single) {
    grid-template-columns: repeat(2, 1fr);
  }
}

.contact-grid--single {
  max-width: 28rem;
}

.contact-card {
  padding: 1.25rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

.contact-card h3 {
  margin: 0 0 0.35rem;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
}

.contact-card p {
  margin: 0;
  font-weight: 600;
}

.contact-card a {
  font-weight: 600;
}

.contact-form {
  max-width: 32rem;
  padding: 1.5rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
}

.contact-form__note {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.form-row {
  margin-bottom: 1rem;
}

.form-row label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.35rem;
  color: var(--color-navy);
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #fff;
}

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

.contact-form .btn {
  margin-top: 0.25rem;
}

/* Footer */
.site-footer {
  background: var(--color-navy);
  color: #c9cde0;
  padding: 2.5rem 0;
  font-size: 0.9375rem;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.site-footer__brand strong {
  color: #fff;
  font-size: 1.0625rem;
}

.site-footer__brand p {
  margin: 0.35rem 0 0;
  max-width: 40ch;
  line-height: 1.5;
}

.site-footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer__links li {
  margin-bottom: 0.5rem;
}

.site-footer a {
  color: #e8eaf4;
  font-weight: 600;
}

.site-footer a:hover {
  color: #fff;
}

.site-footer__legal {
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.8125rem;
}