/* —— Design tokens —— */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #fafafa;
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --accent-color: #2f4f46;
  --accent-hover: #3a6358;
  --accent-light: #8fb5a8;
  --font-heading: "Cormorant Garamond", Georgia, serif;
  --font-body: "Source Sans 3", system-ui, -apple-system, sans-serif;
  --shadow-nav: 0 1px 0 rgba(26, 26, 26, 0.06), 0 8px 24px rgba(26, 26, 26, 0.08);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --max-width: 72rem;
  --header-height: 4rem;
}

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

html {
  scroll-behavior: smooth;
}

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

  .btn,
  .nav__link,
  .footer__link {
    transition: none;
  }

  .hero__title,
  .hero__lede,
  .hero__content .btn--primary,
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-primary);
  background-color: var(--bg-primary);
}
#hero,
.section,
.footer {
  scroll-margin-top: calc(var(--header-height) + var(--space-sm));
}

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

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

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

/* —— Layout —— */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

/* —— Header & nav —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-primary);
  padding-inline: var(--space-md);
  transition: box-shadow 0.25s ease;
}

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

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  max-width: var(--max-width);
  margin-inline: auto;
  padding-block: var(--space-sm);
  min-height: var(--header-height);
}

.nav__brand {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2.1rem;
  letter-spacing: 0.01em;
  color: var(--text-primary);
}

.nav__brand:hover {
  color: var(--accent-color);
  transition: color 0.2s ease;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid rgba(26, 26, 26, 0.12);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  cursor: pointer;
}

.nav__toggle-bar {
  display: block;
  width: 1.25rem;
  height: 2px;
  margin-inline: auto;
  background: var(--text-primary);
}

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

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1.15rem, 2.5vw, 1.75rem);
}

.nav__link {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: var(--space-xs) 0;
  border-bottom: 2px solid transparent;
  transition:
    color 0.2s ease,
    border-color 0.2s ease;
}

.nav__link:hover {
  color: var(--accent-color);
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.2;
  padding: 0.75rem 1.25rem;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition:
    transform 0.2s ease,
    background-color 0.2s ease,
    box-shadow 0.2s ease,
    opacity 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn--nav {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  background-color: var(--accent-color);
  color: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

.btn--nav:hover {
  background-color: var(--accent-hover);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.btn--primary {
  background-color: var(--accent-color);
  color: #fff;
  padding: 1rem 2rem;
  font-size: 1rem;
  letter-spacing: 0.02em;
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

.btn--primary:hover {
  background-color: var(--accent-hover);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

/* —— Hero —— */
.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  min-height: 100svh;
  margin-top: calc(-1 * var(--header-height));
  padding: calc(var(--header-height) + var(--space-xl)) var(--space-md) var(--space-2xl);
  overflow: hidden;
}

.hero__media {
  position: fixed;
  inset: 0;
  z-index: 0;
}

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(105deg,
      rgba(26, 26, 26, 0.82) 0%,
      rgba(26, 26, 26, 0.55) 42%,
      rgba(26, 26, 26, 0.35) 100%);
}

.hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
}

.hero__content {
  max-width: 38rem;
}

.hero__content .btn--primary {
  font-size: 0.875rem;
  letter-spacing: 0.12em;
}

.hero__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2.25rem, 5vw, 3.3rem);
  line-height: 1.18;
  letter-spacing: 0.01em;
  margin: 0 0 var(--space-md);
  color: #fff;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
}

.hero__subtitle {
  font-size: 0.9375rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.88);
  margin: 0 0 var(--space-md);
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.4);
}

.hero__lede {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.82);
  max-width: 36rem;
  margin: 0 0 var(--space-lg);
  line-height: 1.65;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.35);
}

@media (prefers-reduced-motion: no-preference) {
  .hero__title,
  .hero__lede,
  .hero__content .btn--primary {
    opacity: 0;
    transform: translateY(20px);
    transition:
      opacity 0.4s ease-out,
      transform 0.4s ease-out;
  }

  .hero.is-loaded .hero__title {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0ms;
  }

  .hero.is-loaded .hero__lede {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 100ms;
  }

  .hero.is-loaded .hero__content .btn--primary {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 200ms;
  }

  .reveal {
    opacity: 0;
    transform: translateY(20px);
    transition:
      opacity 0.45s ease-out,
      transform 0.45s ease-out;
  }

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

  .service-row.reveal:nth-child(1) {
    transition-delay: 0ms;
  }

  .service-row.reveal:nth-child(2) {
    transition-delay: 80ms;
  }

  .service-row.reveal:nth-child(3) {
    transition-delay: 160ms;
  }

  .step.reveal:nth-child(1) {
    transition-delay: 0ms;
  }

  .step.reveal:nth-child(2) {
    transition-delay: 80ms;
  }

  .step.reveal:nth-child(3) {
    transition-delay: 160ms;
  }
}

/* —— Sections —— */
.section {
  position: relative;
  z-index: 1;
  padding: var(--space-2xl) 0;
  background: var(--bg-primary);
}

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

.section__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.85rem, 3.6vw, 2.4rem);
  letter-spacing: 0.01em;
  margin: 0 0 var(--space-sm);
  color: var(--text-primary);
}

.section__kicker {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  margin: calc(-1 * var(--space-xs)) 0 var(--space-lg);
}

.section__intro {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 40rem;
  margin: 0 0 var(--space-lg);
}

/* —— About —— */
.about {
  display: grid;
  grid-template-columns: minmax(0, 38rem) auto;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.about__text {
  max-width: 38rem;
}

.about__body {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin: 0;
}

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

.about__portrait-ring {
  position: relative;
  width: clamp(11.9rem, 18.7vw, 17rem);
  height: clamp(11.9rem, 18.7vw, 17rem);
  border-radius: 50%;
  overflow: hidden;
  box-shadow:
    0 0 0 4px var(--bg-secondary),
    0 0 0 5px rgba(26, 26, 26, 0.08),
    0 16px 48px rgba(26, 26, 26, 0.1);
}

.about__portrait-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: linear-gradient(145deg, #e8e8e8, #f5f5f5);
}

/* —— Services (editorial rows) —— */
.service-list {
  margin-top: var(--space-lg);
  border-top: 1px solid rgba(26, 26, 26, 0.1);
}

.service-row {
  display: grid;
  grid-template-columns: minmax(11rem, 1fr) minmax(0, 2fr);
  gap: var(--space-lg) var(--space-xl);
  align-items: start;
  padding: var(--space-xl) 0;
  border-bottom: 1px solid rgba(26, 26, 26, 0.1);
}

.service-row__heading {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.service-row__number {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 4vw, 3.25rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.02em;
  color: rgba(26, 26, 26, 0.14);
}

.service-row__title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.5vw, 1.85rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
  color: var(--text-primary);
}

.service-row__text {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin: 0 0 var(--space-md);
  max-width: 38rem;
}

.service-row__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.service-row__list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.service-row__list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: rgba(26, 26, 26, 0.35);
}

/* —— How it works steps —— */
#how-it-works .section__title {
  text-align: center;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  counter-reset: step;
}

.step {
  text-align: center;
}

.step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--accent-color);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  margin-bottom: var(--space-sm);
}

.step__title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 var(--space-xs);
  color: var(--text-primary);
}

.step__text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
}

/* —— CTA section —— */
.cta-section {
  text-align: center;
  background: var(--bg-primary);
  padding: var(--space-2xl) 0;
}

.cta-inner {
  max-width: 36rem;
}

.cta-section__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.85rem, 3.6vw, 2.4rem);
  letter-spacing: 0.01em;
  margin: 0 0 var(--space-sm);
  color: var(--text-primary);
}

.cta-section__text {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  margin: 0 0 var(--space-lg);
  line-height: 1.65;
}

/* —— Footer —— */
.footer {
  position: relative;
  z-index: 1;
  background: var(--accent-color);
  color: #fff;
  padding: var(--space-lg) 0;
}

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

.footer__copy {
  margin: 0;
  font-size: 0.9375rem;
  opacity: 0.9;
}

.footer__links {
  display: flex;
  gap: var(--space-md);
}

.footer__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: #fff;
  opacity: 0.85;
  border-bottom: 1px solid transparent;
  transition:
    opacity 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
}

.footer__link:hover {
  opacity: 1;
  color: var(--accent-light);
  border-bottom-color: var(--accent-light);
}

.footer__link--icon {
  border-bottom: none;
  display: flex;
  align-items: center;
}

.footer__link--icon:hover {
  border-bottom: none;
  color: #fff;
}

/* —— Responsive —— */
@media (max-width: 56rem) {
  .hero__overlay {
    background: linear-gradient(180deg,
        rgba(26, 26, 26, 0.75) 0%,
        rgba(26, 26, 26, 0.68) 50%,
        rgba(26, 26, 26, 0.55) 100%);
  }

  .about {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about__text {
    max-width: 100%;
  }

  .about__portrait {
    order: -1;
  }
}

@media (max-width: 42rem) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    inset: var(--header-height) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-primary);
    border-bottom: 1px solid rgba(26, 26, 26, 0.08);
    box-shadow: var(--shadow-nav);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
      transform 0.25s ease,
      opacity 0.25s ease,
      visibility 0.25s;
  }

  .nav__menu.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav__links {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .btn--nav {
    width: 100%;
    text-align: center;
  }

  .service-row {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    padding: var(--space-lg) 0;
  }

  .service-row__heading {
    flex-direction: row;
    align-items: baseline;
    gap: var(--space-md);
  }

  .service-row__number {
    font-size: 2rem;
    flex-shrink: 0;
  }

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

  .hero {
    min-height: 100svh;
    padding-top: calc(var(--header-height) + var(--space-lg));
  }
}