/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  --green-dark:       #1B3F3C;
  --green-mid:        #2D5C56;
  --green-light:      #4A7C59;
  --cream:            #FFFCF8;
  --grey-1:           #F5F2EC;
  --grey-2:           #E8E3D8;
  --grey-3:           #C8C0B0;
  --grey-4:           #8A8070;
  --black:            #0A1A19;

  --nav-height:       7.2rem;
  --page-gutter:      3.2rem;
  --section-spacing:  12rem;

  --transition-fast:  0.2s ease;
  --transition-mid:   0.4s ease;
  --transition-slow:  0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --font-serif:       'Cormorant Garamond', 'Georgia', serif;
  --font-sans:        'Inter', 'Helvetica Neue', Arial, sans-serif;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 62.5%;
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-sans);
  font-size: 1.6rem;
  background-color: var(--cream);
  color: var(--green-dark);
  line-height: 1.6;
  overflow: hidden;
  height: 100%;
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font: inherit;
  color: inherit;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(27, 63, 60, 0.15);
  background-color: var(--cream);
  transition: background-color var(--transition-mid),
              border-color var(--transition-mid),
              transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.nav.nav--dark {
  background-color: var(--green-dark);
  border-bottom-color: rgba(255, 252, 248, 0.15);
}

.nav.nav--hidden {
  transform: translateY(-105%);
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: var(--nav-height);
  padding: 0 var(--page-gutter);
  border-right: 1px solid rgba(27, 63, 60, 0.15);
  gap: 1rem;
  flex-shrink: 0;
  transition: border-color var(--transition-mid);
}

.nav--dark .nav__logo {
  border-right-color: rgba(255, 252, 248, 0.15);
}

.nav__logo-mark {
  width: 3.2rem;
  height: 3.2rem;
  flex-shrink: 0;
}

.nav__logo-text {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--green-dark);
  transition: color var(--transition-mid);
  white-space: nowrap;
}

.nav--dark .nav__logo-text {
  color: var(--cream);
}

/* Desktop links */
.nav__links {
  display: flex;
  align-items: center;
  height: var(--nav-height);
  list-style: none;
}

.nav__links li {
  height: 100%;
  border-right: 1px solid rgba(27, 63, 60, 0.15);
  position: relative;
  transition: border-color var(--transition-mid);
}

.nav--dark .nav__links li {
  border-right-color: rgba(255, 252, 248, 0.15);
}

.nav__link {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 0 2.8rem;
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green-dark);
  position: relative;
  overflow: hidden;
  transition: color var(--transition-mid);
}

.nav--dark .nav__link {
  color: var(--cream);
}

.nav__link::before {
  content: '';
  position: absolute;
  inset: 0;
  background-color: var(--green-dark);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform var(--transition-mid);
  z-index: -1;
}

.nav--dark .nav__link::before {
  background-color: rgba(255, 252, 248, 0.1);
}

.nav__link:hover::before,
.nav__link.active::before {
  transform: scaleY(1);
}

.nav__link:hover,
.nav__link.active {
  color: var(--cream);
}

.nav--dark .nav__link:hover,
.nav--dark .nav__link.active {
  color: var(--cream);
}

/* Mobile hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
  width: var(--nav-height);
  height: var(--nav-height);
  flex-shrink: 0;
  border-left: 1px solid rgba(27, 63, 60, 0.15);
}

.nav--dark .nav__hamburger {
  border-left-color: rgba(255, 252, 248, 0.15);
}

.nav__hamburger-line {
  width: 2.4rem;
  height: 1px;
  background-color: var(--green-dark);
  transition: transform var(--transition-fast),
              opacity var(--transition-fast),
              background-color var(--transition-mid);
}

.nav--dark .nav__hamburger-line {
  background-color: var(--cream);
}

.nav__hamburger.open .nav__hamburger-line:nth-child(1) {
  transform: translateY(0.7rem) rotate(45deg);
}

.nav__hamburger.open .nav__hamburger-line:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.open .nav__hamburger-line:nth-child(3) {
  transform: translateY(-0.7rem) rotate(-45deg);
}

/* Mobile menu overlay */
.mobile-menu {
  position: fixed;
  inset: 0;
  background-color: var(--green-dark);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--page-gutter);
  transform: translateX(100%);
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.mobile-menu__link {
  display: block;
  font-family: var(--font-serif);
  font-size: 4.8rem;
  font-weight: 400;
  color: var(--cream);
  padding: 2rem 0;
  border-bottom: 1px solid rgba(255, 252, 248, 0.15);
  transition: opacity var(--transition-fast);
}

.mobile-menu__link:hover {
  opacity: 0.6;
}

/* ============================================================
   SCROLL CONTAINER
   ============================================================ */
.scroll-container {
  height: 100svh;
  overflow-y: scroll;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
}

/* ============================================================
   SECTIONS – SHARED
   ============================================================ */
.section {
  min-height: 100svh;
  padding-top: var(--nav-height);
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

/* ============================================================
   HOME SECTION
   ============================================================ */
.section--home {
  background-color: var(--green-dark);
  color: var(--cream);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  min-height: 100svh;
}

.home__background-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.home__bg-line {
  position: absolute;
  background-color: rgba(255, 252, 248, 0.06);
}

.home__bg-line--v {
  width: 1px;
  height: 100%;
  top: 0;
}

.home__bg-line--v:nth-child(1) { left: 33.333%; }
.home__bg-line--v:nth-child(2) { left: 66.666%; }

.home__bg-line--h {
  width: 100%;
  height: 1px;
  left: 0;
}

.home__bg-line--h:nth-child(3) { top: 50%; }

.home__ripple-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0.04;
}

.home__ripple-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--cream);
  animation: ripple-expand 6s ease-out infinite;
}

.home__ripple-ring:nth-child(1) { width: 30vw; height: 30vw; animation-delay: 0s; }
.home__ripple-ring:nth-child(2) { width: 50vw; height: 50vw; animation-delay: 1s; }
.home__ripple-ring:nth-child(3) { width: 70vw; height: 70vw; animation-delay: 2s; }
.home__ripple-ring:nth-child(4) { width: 90vw; height: 90vw; animation-delay: 3s; }
.home__ripple-ring:nth-child(5) { width: 110vw; height: 110vw; animation-delay: 4s; }

@keyframes ripple-expand {
  0%   { opacity: 0; transform: scale(0.8); }
  20%  { opacity: 1; }
  100% { opacity: 0; transform: scale(1.1); }
}

.home__content {
  position: relative;
  z-index: 1;
  padding: 0 var(--page-gutter);
  max-width: 140rem;
  margin: 0 auto;
  width: 100%;
}

.home__eyebrow {
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 252, 248, 0.5);
  margin-bottom: 2.4rem;
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.home__eyebrow.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.home__heading {
  font-family: var(--font-serif);
  font-size: clamp(6rem, 11vw, 16rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cream);
  margin-bottom: 3.2rem;
  overflow: hidden;
}

.home__heading-word {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.home__heading-word.animate-in {
  transform: translateY(0);
}

.home__heading-word:nth-child(2) { transition-delay: 0.1s; }

.home__heading-word--accent {
  font-style: italic;
  font-weight: 300;
  color: rgba(255, 252, 248, 0.5);
  font-size: 0.75em;
  letter-spacing: 0.02em;
}

.home__tagline {
  font-size: clamp(1.6rem, 2vw, 2.2rem);
  font-weight: 300;
  color: rgba(255, 252, 248, 0.7);
  max-width: 56rem;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity 0.8s ease 0.5s, transform 0.8s ease 0.5s;
}

.home__tagline.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.home__scroll-indicator {
  position: absolute;
  bottom: 4rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  color: rgba(255, 252, 248, 0.4);
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0;
  animation: fade-in-up 1s ease 1.2s forwards;
}

.home__scroll-line {
  width: 1px;
  height: 4rem;
  background: linear-gradient(to bottom, rgba(255,252,248,0.4), transparent);
  animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
  0%, 100% { transform: scaleY(1); opacity: 0.4; }
  50% { transform: scaleY(0.5); opacity: 0.1; }
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translate(-50%, 1rem); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

/* ============================================================
   WHAT WE DO SECTION
   ============================================================ */
.section--what-we-do {
  background-color: var(--grey-1);
  color: var(--green-dark);
}

.section__inner {
  max-width: 140rem;
  margin: 0 auto;
  padding: 5.6rem var(--page-gutter) 0;
}

.section__label {
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey-4);
  margin-bottom: 2.4rem;
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.section__label::before {
  content: '';
  display: inline-block;
  width: 3.2rem;
  height: 1px;
  background-color: var(--grey-3);
}

.section__heading {
  font-family: var(--font-serif);
  font-size: clamp(4rem, 6vw, 8rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: 3.2rem;
  max-width: 80rem;
}

.section__intro {
  font-size: clamp(1.6rem, 1.8vw, 2rem);
  font-weight: 300;
  line-height: 1.7;
  color: var(--grey-4);
  max-width: 64rem;
  margin-bottom: 8rem;
}


.wwd__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--grey-2);
}

.wwd__card {
  padding: 4.8rem var(--page-gutter) 4.8rem 0;
  border-right: 1px solid var(--grey-2);
  position: relative;
  overflow: hidden;
}

.wwd__card:last-child {
  border-right: none;
  padding-right: 0;
}

.wwd__card:not(:first-child) {
  padding-left: var(--page-gutter);
}

.wwd__card-number {
  font-family: var(--font-serif);
  font-size: 6rem;
  font-weight: 300;
  color: var(--grey-2);
  line-height: 1;
  margin-bottom: 2.4rem;
  transition: color var(--transition-mid);
}

.wwd__card:hover .wwd__card-number {
  color: var(--green-light);
}

.wwd__card-title {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 1.6rem;
  color: var(--green-dark);
}

.wwd__card-text {
  font-size: 1.5rem;
  line-height: 1.7;
  color: var(--grey-4);
}

.wwd__card-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background-color: var(--green-dark);
  transition: width 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.wwd__card:hover .wwd__card-bar {
  width: 100%;
}

/* Animate on scroll */
.reveal {
  opacity: 0;
  transform: translateY(3rem);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

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

/* ============================================================
   WHAT WE ARE SECTION
   ============================================================ */
.section--what-we-are {
  background-color: var(--grey-1);
  color: var(--green-dark);
}

.wwa__values {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  margin-top: 8rem;
}

.wwa__value {
  padding: 4rem 0;
  border-top: 1px solid var(--grey-2);
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: var(--page-gutter);
  align-items: start;
}

.wwa__value:nth-child(odd) {
  padding-right: var(--page-gutter);
  border-right: 1px solid var(--grey-2);
}

.wwa__value:nth-child(even) {
  padding-left: var(--page-gutter);
}

.wwa__value-index {
  font-family: var(--font-serif);
  font-size: 5rem;
  font-weight: 300;
  color: var(--grey-2);
  line-height: 1;
  padding-top: 0.4rem;
}

.wwa__value-content {}

.wwa__value-title {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 500;
  color: var(--green-dark);
  margin-bottom: 1.2rem;
}

.wwa__value-text {
  font-size: 1.5rem;
  line-height: 1.7;
  color: var(--grey-4);
}

.wwa__quote {
  margin-top: 10rem;
  padding: 6.4rem 0;
  border-top: 1px solid var(--grey-2);
  border-bottom: 1px solid var(--grey-2);
}

.wwa__quote-mark {
  font-family: var(--font-serif);
  font-size: 8rem;
  line-height: 0;
  color: var(--grey-2);
  margin-bottom: 3.2rem;
  display: block;
}

.wwa__quote-text {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 3.5vw, 4rem);
  font-weight: 400;
  line-height: 1.35;
  color: var(--green-dark);
  max-width: 80rem;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.section--contact {
  background-color: var(--grey-1);
  color: var(--green-dark);
  padding-bottom: 0;
}

.contact__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4.8rem;
  margin-top: 3.2rem;
}

.contact__info {}

.contact__info-item {
  padding: 3.2rem 0;
  border-top: 1px solid var(--grey-2);
}

.contact__info-item:last-child {
  border-bottom: 1px solid var(--grey-2);
}

.contact__info-label {
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--grey-4);
  margin-bottom: 0.8rem;
}

.contact__info-value {
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--green-dark);
}

.contact__info-value a {
  transition: color var(--transition-fast);
}

.contact__info-value a:hover {
  color: var(--green-light);
}

/* Form */
.contact__form {}

.form__group {
  margin-bottom: 1.6rem;
}

.form__label {
  display: block;
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey-4);
  margin-bottom: 0.8rem;
}

.form__input,
.form__textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--grey-2);
  padding: 1.4rem 0;
  font-family: var(--font-sans);
  font-size: 1.6rem;
  color: var(--green-dark);
  outline: none;
  transition: border-color var(--transition-fast);
  -webkit-appearance: none;
  border-radius: 0;
}

.form__input:focus,
.form__textarea:focus {
  border-bottom-color: var(--green-dark);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--grey-3);
}

.form__textarea {
  resize: none;
  min-height: 12rem;
}

.form__submit {
  display: inline-flex;
  align-items: center;
  gap: 1.2rem;
  margin-top: 1.6rem;
  padding: 1.6rem 3.2rem;
  background-color: var(--green-dark);
  color: var(--cream);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--green-dark);
  cursor: pointer;
  transition: background-color var(--transition-fast),
              color var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.form__submit::before {
  content: '';
  position: absolute;
  inset: 0;
  background-color: var(--cream);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-mid);
  z-index: 0;
}

.form__submit:hover::before {
  transform: scaleX(1);
}

.form__submit:hover {
  color: var(--green-dark);
}

.form__submit span {
  position: relative;
  z-index: 1;
}

.form__submit-arrow {
  position: relative;
  z-index: 1;
  transition: transform var(--transition-fast);
}

.form__submit:hover .form__submit-arrow {
  transform: translateX(4px);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background-color: var(--black);
  color: rgba(255, 252, 248, 0.4);
  padding: 3.2rem var(--page-gutter);
  margin-top: 4.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer__brand {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--cream);
}

.footer__copy {
  font-size: 1.3rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  :root {
    --page-gutter: 2.4rem;
    --section-spacing: 8rem;
  }

  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

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

  .wwd__card {
    border-right: none;
    border-bottom: 1px solid var(--grey-2);
    padding: 3.2rem 0;
  }

  .wwd__card:last-child {
    border-bottom: none;
  }

  .wwd__card:not(:first-child) {
    padding-left: 0;
  }

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

  .wwa__value {
    grid-template-columns: auto 1fr;
    gap: 2rem;
  }

  .wwa__value:nth-child(odd) {
    padding-right: 0;
    border-right: none;
  }

  .wwa__value:nth-child(even) {
    padding-left: 0;
  }

  .contact__layout {
    grid-template-columns: 1fr;
    gap: 4.8rem;
  }
}

@media (max-width: 640px) {
  :root {
    --page-gutter: 2rem;
    --nav-height: 6rem;
  }

  .nav__logo-text {
    font-size: 1.7rem;
  }

  .home__tagline {
    font-size: 1.6rem;
  }

  .wwa__quote-text {
    font-size: 2.4rem;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.2rem;
  }
}