/* ========================================================================
CSS Variables
======================================================================== */
:root {
  --clr-primary:      #AB7344;
  --clr-primary-dark: #8C522A;
  --clr-grad-btn:     linear-gradient(135deg, #AB7344 0%, #8C522A 100%);
  --clr-dark:         #091D1C;
  --clr-grey:         #1F2120;
  --clr-bg:           #091D1C;
  --clr-text:         #FFFFFF;
  --clr-text-muted:   rgba(255, 255, 255, 0.72);
  --clr-body:         #222222;
  --header-height:    72px;
}

/* ========================================================================
Base
======================================================================== */
/* Common */
body.nav_open {
  overflow: hidden;
}

/* Header */
header {
  position: relative;
}

#header_contents {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: var(--header-height);
  transition: background-color .4s ease, backdrop-filter .4s ease;
}

#header_contents.scrolled {
  background-color: rgba(9, 29, 28, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

#site_info a {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--clr-text);
}

.logo_text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.logo_name {
  font-size: 0.9375rem;
  font-weight: 600;
}

.logo_abbr {
  font-size: 0.6875rem;
  font-weight: 400;
  color: var(--clr-text-muted);
}

#header_right {
  display: flex;
  align-items: center;
  gap: 28px;
}

#header_nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

#header_nav > ul {
  display: flex;
  align-items: center;
  gap: 24px;
}

#header_nav > ul a {
  position: relative;
  color: var(--clr-text);
  text-decoration: none;
  font-size: 0.8125rem;
}

#header_nav > ul a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--clr-text);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s ease;
}

#header_nav > ul a:hover::after {
  transform: scaleX(1);
}

.btn_contact {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 10px 18px;
  background: var(--clr-grad-btn);
  color: var(--clr-text);
  text-decoration: none;
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: 2px;
  white-space: nowrap;
}

.btn_contact:hover {
  background: linear-gradient(135deg, #fff 0%, #fff 100%);
  color: var(--clr-primary);
}

.btn_contact .material-symbols-outlined {
  font-size: 1rem;
  line-height: 1;
}

#lang_switch ul {
  display: flex;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
}

#lang_switch li + li::before {
  content: '|';
  color: rgba(255, 255, 255, 0.28);
  margin: 0 6px;
}

#lang_switch a {
  color: var(--clr-text-muted);
  text-decoration: none;
}

#lang_switch a:hover {
  color: var(--clr-text);
}

#lang_switch li.current span {
  color: var(--clr-text);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--clr-text);
  transform-origin: center;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.is_open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.is_open span:nth-child(2) {
  opacity: 0;
}

.hamburger.is_open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* SP Nav */
#sp_nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
  background-color: var(--clr-dark);
  padding: 32px 24px 48px;
  overflow-y: auto;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.25s ease, visibility 0s linear 0.25s;
}

#sp_nav.is_open {
  visibility: visible;
  opacity: 1;
  transition: opacity 0.25s ease, visibility 0s;
}

#sp_nav > ul > li > a {
  display: block;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--clr-text);
  text-decoration: none;
  font-size: 1rem;
}

#sp_nav > ul > li:first-child > a {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sp_lang_switch {
  margin-top: 32px;
}

.sp_lang_switch ul {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.875rem;
  font-weight: 500;
}

.sp_lang_switch li + li::before {
  content: '|';
  color: rgba(255, 255, 255, 0.28);
  margin-right: 16px;
}

.sp_lang_switch a {
  color: var(--clr-text-muted);
  text-decoration: none;
}

.sp_lang_switch a:hover {
  color: var(--clr-text);
}

.sp_lang_switch li.current span {
  color: var(--clr-text);
}

/* Main */

/* Footer */
footer {
  background-color: var(--clr-grey);
}

#footer_main {
  padding: 36px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer_main__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 48px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer_logo {
  display: inline-flex;
  text-decoration: none;
  color: var(--clr-text);
}

#footer_info .logo_name {
  font-size: 1rem;
}

#footer_info .logo_abbr {
  font-size: 0.75rem;
}

#footer_nav ul {
  display: flex;
  flex-wrap: nowrap;
  justify-content: flex-end;
  gap: 28px;
}

#footer_nav ul a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--clr-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
}

#footer_nav ul a::before {
  content: '';
  display: inline-block;
  flex-shrink: 0;
  width: 5px;
  height: 5px;
  border-top: 1.5px solid currentColor;
  border-right: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-bottom: 1px; /* Visual vertical alignment */
}

#footer_nav ul a:hover {
  color: var(--clr-text);
}

#footer__copy {
  padding: 16px 0;
  background-color: var(--clr-grey);
  color: var(--clr-text-muted);
}

.footer_copy__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.footer_policy {
  display: flex;
  align-items: center;
}

.footer_policy li + li::before {
  content: '|';
  color: rgba(255, 255, 255, 0.28);
  margin: 0 12px;
}

.footer_policy a {
  color: var(--clr-text-muted);
  text-decoration: none;
  font-size: 0.75rem;
}

.footer_policy a:hover {
  color: var(--clr-text);
}

#footer__copy address {
  font-size: 0.6rem;
}

/* ========================================================================
Pages
======================================================================== */
/* Common */

/* ========================================================================
TOP
======================================================================== */

/* Important notice */
.sec_caution {
  position: relative;
  z-index: 10;
  margin-top: -45px;
}

.caution_card {
  display: flex;
  align-items: stretch;
  background-color: #111E12;
  border: 1px solid rgba(171, 115, 68, 0.4);
  border-radius: 6px;
  overflow: hidden;
}

.caution_card__label {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 28px;
  white-space: nowrap;
  border-right: 1px solid rgba(171, 115, 68, 0.25);
}

.caution_card__label .material-symbols-outlined {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--clr-grad-btn);
  color: #fff;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.caution_card__label > span:last-child {
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-text);
}

.caution_card__body {
  flex: 1;
  padding: 18px 28px;
}

.caution_card__body p {
  display: inline;
  color: var(--clr-text-muted);
  font-size: 0.875rem;
}


.caution_card__action {
  display: flex;
  align-items: center;
  padding: 0 28px;
}

.caution_card__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--clr-grad-btn);
  border: 1px solid transparent;
  border-radius: 2px;
  color: var(--clr-text);
  text-decoration: none;
  font-size: 0.8125rem;
  white-space: nowrap;
}

.caution_card__link .material-symbols-outlined {
  font-size: 1.125rem;
  flex-shrink: 0;
}

.caution_card__link:hover {
  background: linear-gradient(135deg, #fff 0%, #fff 100%);
  color: var(--clr-primary);
  border-color: var(--clr-primary);
}

/* Main View (Hero) */
#main_view {
  position: relative;
  padding-top: calc(var(--header-height) + 80px);
  padding-bottom: 120px;
  background-color: var(--clr-bg);
  background-image: url('../images/main.jpg');
  background-image: -webkit-image-set(
    url('../images/main.webp') 1x,
    url('../images/main.jpg')  1x
  );
  background-image: image-set(
    url('../images/main.webp') type('image/webp'),
    url('../images/main.jpg')  type('image/jpeg')
  );
  background-size: cover;
  background-position: right center;
  background-repeat: no-repeat;
}

#main_view::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(9, 29, 28, 0.84) 0%,
    rgba(9, 29, 28, 0.60) 55%,
    rgba(9, 29, 28, 0.18) 100%
  );
  pointer-events: none;
}

.main_view__inner {
  position: relative;
  z-index: 1;
  width: min(100% - 80px, 1280px);
  margin-inline: auto;
}

.main_view__inner h1 {
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  color: var(--clr-text);
  font-weight: 600;
  letter-spacing: .8rem;
  margin-bottom: 28px;
}

.main_view__inner > p {
  color: var(--clr-text-muted);
  font-size: 0.9375rem;
  max-width: 520px;
  line-height: 1.75;
}

.main_view__inner > p + p {
  margin-top: 6px;
}

.hero_btns {
  display: flex;
  gap: 16px;
  margin-top: 36px;
  max-width: 520px;
}

.hero_btns > li {
  flex: 1;
}

.hero_btns .btn_primary,
.hero_btns .btn_outline {
  width: 100%;
  justify-content: center;
}

.btn_primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  background: var(--clr-grad-btn);
  border: 1.5px solid transparent;
  color: var(--clr-text);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: 2px;
}

.btn_primary:hover {
  background: linear-gradient(135deg, #fff 0%, #fff 100%);
  color: var(--clr-primary);
  border-color: var(--clr-primary);
}

.btn_outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border: 1.5px solid rgba(255, 255, 255, 0.50);
  color: var(--clr-text);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: 2px;
}

.btn_outline:hover {
  background: #fff;
  color: var(--clr-primary);
  border-color: var(--clr-primary);
}

.btn_primary .material-symbols-outlined,
.btn_outline .material-symbols-outlined {
  font-size: 1.125rem;
  line-height: 1;
}

/* ========================================================================
Section: About
======================================================================== */
.sec_label {
  display: block;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--clr-primary);
  margin-bottom: 16px;
}

.sec_about {
  padding: 100px 0;
  background-color: #fff;
}

.about_inner {
  display: flex;
  align-items: flex-end;
  gap: 60px;
  margin-bottom: 40px;
}

.about_text {
  flex: 0 0 30%;
}

.about_text h2 {
  font-size: clamp(1.75rem, 2.8vw, 2.5rem);
  font-weight: 400;
  margin-bottom: 20px;
  color: var(--clr-dark);
}

.about_text > p {
  font-size: 0.875rem;
  font-weight: 500;
  color: #555;
}

.about_info {
  flex: 1;
  display: flex;
  gap: 16px;
}

.about_info_item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 28px 16px;
  border: 1px solid rgba(171, 115, 68, 0.3);
  border-radius: 4px;
}

.about_info_item > .material-symbols-outlined {
  font-size: 2rem;
  color: var(--clr-primary);
  margin-bottom: 12px;
}

.about_info_label {
  display: block;
  font-size: 0.6875rem;
  color: #999;
  margin-bottom: 4px;
}

.about_info_value {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--clr-dark);
}

.about_btn {
  display: flex;
}

/* ========================================================================
Section Heading (Common)
======================================================================== */
.sec_heading {
  text-align: center;
  margin-bottom: 56px;
}

.sec_heading h2 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  font-size: clamp(1.125rem, 1.8vw, 1.375rem);
  font-weight: 400;
  color: var(--clr-dark);
}

.sec_heading h2::before,
.sec_heading h2::after {
  content: '';
  width: 40px;
  height: 1px;
  background-color: var(--clr-primary);
  flex-shrink: 0;
}

.sec_heading > p {
  margin-top: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  color: #555;
  max-width: 640px;
  margin-inline: auto;
}

.sec_heading--dark h2 {
  color: var(--clr-text);
}

.sec_heading--dark h2::before,
.sec_heading--dark h2::after {
  background-color: rgba(171, 115, 68, 0.5);
}

.sec_heading--dark > p {
  color: var(--clr-text-muted);
}

/* Section Button (Common) */
.sec_btn {
  display: flex;
  justify-content: center;
  margin-top: 48px;
}

.sec_sustainability .sec_btn {
  margin-top: 72px;
}

/* ========================================================================
Section: Business
======================================================================== */
.business_main {
  padding: 100px 0 80px;
  background-color: rgba(180, 140, 60, 0.06);
}

.business_cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.business_card {
  display: flex;
  flex-direction: column;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.business_card__img {
  aspect-ratio: 4/3;
  overflow: hidden;
  background-color: var(--clr-grey); /* Placeholder color before image loads */
}

.business_card__img picture {
  display: block;
  width: 100%;
  height: 100%;
}

.business_card__img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.business_card__body {
  flex: 1;
  padding: 20px 16px;
}

.business_card__body h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--clr-dark);
}

.business_card__body p {
  font-size: 0.8125rem;
  font-weight: 500;
  color: #555;
}

/* Projects sub-section */
.business_projects {
  padding: 80px 0;
  background-color: var(--clr-bg);
}

.project_cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.project_card {
  position: relative;
  aspect-ratio: 16/9;
  border: 1px solid var(--clr-primary);
  border-radius: 6px;
  overflow: hidden;
  background-color: var(--clr-grey); /* Placeholder color before image loads */
}

.project_card picture {
  position: absolute;
  inset: 0;
  display: block;
  z-index: 0;
}

.project_card picture img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project_card::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1; /* Above image, below text */
  background: linear-gradient(
    160deg,
    rgba(9, 29, 28, 1) 0%,
    rgba(9, 29, 28, .8) 40%,
    rgba(9, 29, 28, .2) 100%
  );
}

.project_card__body {
  position: absolute;
  inset: 0;
  z-index: 2; /* Above overlay */
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.project_card__title {
  font-size: clamp(1.25rem, 2vw, 1.875rem);
  font-weight: 400;
  font-style: normal;
  color: var(--clr-primary);
  margin-bottom: 14px;
}

.project_card__title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--clr-grad-btn);
  margin-top: 14px;
}

.project_card__num {
  font-size: 0.6em;
  color: var(--clr-text-muted);
}

.project_card__desc {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--clr-text-muted);
}

/* ========================================================================
Section: Sustainability
======================================================================== */
.sec_sustainability {
  padding: 100px 0;
  background-color: #fff;
}

.sustainability_list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.sustainability_item {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 24px;
  row-gap: 8px;
  align-items: center;
  text-align: left;
  padding: 0 36px;
}

.sustainability_item:first-child {
  padding-left: 0;
}

.sustainability_item:last-child {
  padding-right: 0;
}

.sustainability_item + .sustainability_item {
  border-left: 1px solid rgba(171, 115, 68, 0.35);
}

.sustainability_item > .material-symbols-outlined {
  grid-row: span 2;
  align-self: center;
  font-size: 3.25rem;
  color: var(--clr-primary);
}

.sustainability_item h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-dark);
  align-self: end;
}

.sustainability_item p {
  font-size: 0.875rem;
  font-weight: 500;
  color: #555;
  align-self: start;
}

/* ========================================================================
Section: Contact
======================================================================== */
.sec_contact {
  padding: 100px 0;
  background-color: var(--clr-bg);
  text-align: center;
}

.contact_title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  font-style: normal;
  color: var(--clr-primary);
  margin-bottom: 24px;
}

.contact_title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--clr-grad-btn);
  margin: 16px auto 0;
}

.contact_desc {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  max-width: 560px;
  margin-inline: auto;
}

.contact_desc + .contact_desc {
  margin-top: 8px;
}

/* Contact modal */
.contact_modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 300;
  align-items: center;
  justify-content: center;
}

.contact_modal.is_open {
  display: flex;
  animation: modal_fade_in .25s ease;
}

@keyframes modal_fade_in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.contact_modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
}

.contact_modal__inner {
  position: relative;
  z-index: 1;
  background: var(--clr-dark);
  border: 1px solid rgba(171, 115, 68, 0.5);
  border-radius: 4px;
  padding: 52px 40px 40px;
  max-width: 440px;
  width: calc(100% - 48px);
  text-align: center;
  animation: modal_slide_in .25s ease;
}

@keyframes modal_slide_in {
  from { transform: translateY(-12px); opacity: 0; }
  to   { transform: translateY(0);     opacity: 1; }
}

.contact_modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  color: var(--clr-text-muted);
  cursor: pointer;
  border-radius: 2px;
}

.contact_modal__close:hover {
  color: var(--clr-text);
}

.contact_modal__close .material-symbols-outlined {
  font-size: 1.25rem;
  line-height: 1;
}

.contact_modal__icon {
  display: block;
  font-size: 3rem;
  margin-bottom: 20px;
}

.contact_modal__icon.is_success { color: #81c784; }
.contact_modal__icon.is_error   { color: #e57373; }

.contact_modal__message {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--clr-text);
  line-height: 1.8;
}

body.modal_open {
  overflow: hidden;
}

/* Honeypot field (hidden from users) */
.form_honeypot {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.contact_form {
  margin-top: 48px;
  max-width: 560px;
  margin-inline: auto;
  text-align: left;
}

.form_group {
  margin-bottom: 20px;
}

.form_group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  margin-bottom: 8px;
}

.form_group input,
.form_group textarea {
  width: 100%;
  padding: 12px 16px;
  background-color: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 2px;
  color: var(--clr-text);
  font-size: 0.875rem;
  font-family: inherit;
}

.form_group input::placeholder,
.form_group textarea::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.form_group input:focus,
.form_group textarea:focus {
  outline: none;
  border-color: var(--clr-primary);
}

.form_group textarea {
  min-height: 140px;
}

.contact_submit {
  display: block;
  width: 100%;
  padding: 14px;
  background: var(--clr-grad-btn);
  border: 1.5px solid transparent;
  color: var(--clr-text);
  font-size: 1rem;
  font-weight: 500;
  border-radius: 2px;
  cursor: pointer;
  font-family: inherit;
  transition: color .3s ease, background-color .3s ease, background-image .3s ease, border-color .3s ease;
}

.contact_submit:hover {
  background: linear-gradient(135deg, #fff 0%, #fff 100%);
  color: var(--clr-primary);
  border-color: var(--clr-primary);
}

.contact_submit.is_loading {
  opacity: 0.65;
  cursor: not-allowed;
  pointer-events: none;
}

/* ========================================================================
Responsive
======================================================================== */
@media (max-width: 1100px) {
  #header_contents {
    padding: 0 28px;
  }

  #header_nav > ul {
    gap: 18px;
  }

  .nav_caution {
    display: none;
  }
}

@media (max-width: 1100px) {
  .business_cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .business_main {
    padding: 80px 0 60px;
  }

  .sustainability_item {
    display: block;
    text-align: center;
    padding: 0 28px;
  }

  .sustainability_item:first-child {
    padding-left: 0;
  }

  .sustainability_item:last-child {
    padding-right: 0;
  }

  .sustainability_item > .material-symbols-outlined {
    display: block;
    margin: 0 auto 16px;
  }

  .sustainability_item h3 {
    margin-bottom: 12px;
  }
}

@media (max-width: 900px) {
  #header_nav,
  #lang_switch {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .footer_main__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
  }

  #footer_nav ul {
    flex-wrap: wrap;
    justify-content: flex-start;
  }
}

@media (max-width: 900px) {
  .about_inner {
    flex-direction: column;
    align-items: stretch;
    gap: 36px;
  }

  .about_text {
    flex: none;
    width: 100%;
  }

  .about_text h2 br {
    display: none;
  }

  .about_btn {
    justify-content: flex-end;
  }

  .caution_card {
    flex-wrap: wrap;
  }

  .caution_card__label {
    width: 100%;
    padding: 16px 20px;
    border-right: none;
    border-bottom: 1px solid rgba(171, 115, 68, 0.25);
  }

  .caution_card__body {
    flex: 1;
    padding: 16px 20px;
    align-self: center;
  }

  .caution_card__action {
    padding: 0 20px;
    align-self: center;
  }

  .caution_card__link {
    white-space: nowrap;
  }
}

@media (max-width: 767px) {
  :root {
    --header-height: 60px;
  }

  #header_contents {
    padding: 0 16px;
  }

  #header_nav,
  #lang_switch {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .sec_caution {
    margin-top: -37px;
  }

  .caution_card {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .caution_card__body {
    flex: none;
    align-self: stretch;
  }

  .caution_card__body p {
    display: block;
  }

  .caution_card__body p + p {
    margin-top: 4px;
  }


  .caution_card__action {
    align-self: stretch;
    border-left: none;
    border-top: 1px solid rgba(171, 115, 68, 0.25);
    padding: 14px 20px;
  }

  .caution_card__link {
    width: 100%;
    justify-content: space-between;
  }

  #main_view {
    padding-top: calc(var(--header-height) + 48px);
    padding-bottom: 96px;
  }

  .main_view__inner {
    width: min(100% - 48px, 1280px);
  }

  .main_view__inner h1 {
    font-size: 11.5vw;
    letter-spacing: .5rem;
    white-space: nowrap;
    margin-bottom: 20px;
  }

  .hero_btns {
    max-width: 100%;
    gap: 10px;
    margin-top: 28px;
  }

  .hero_btns .btn_primary,
  .hero_btns .btn_outline {
    padding: 11px 12px;
    font-size: 0.8125rem;
    gap: 4px;
  }

  #footer_main {
    padding: 28px 0 0;
  }

  .footer_main__inner {
    align-items: center;
  }

  #footer_nav ul {
    justify-content: center;
    column-gap: 20px;
  }

  .sec_about {
    padding: 72px 0;
  }

  .about_inner {
    gap: 28px;
    margin-bottom: 32px;
  }

  .about_btn {
    justify-content: center;
  }

  .about_info {
    flex-direction: column;
    gap: 10px;
    width: 100%;
  }

  .about_info_item {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 16px;
    row-gap: 2px;
    align-items: center;
    text-align: left;
    padding: 16px 20px;
  }

  .about_info_item > .material-symbols-outlined {
    grid-row: span 2;
    margin-bottom: 0;
  }

  .business_main {
    padding: 72px 0 56px;
  }

  .business_cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .business_card__img {
    aspect-ratio: 16/7;
  }

  .business_projects {
    padding: 64px 0;
  }

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

  .sec_sustainability {
    padding: 72px 0;
  }

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

  .sustainability_item {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 20px;
    row-gap: 8px;
    align-items: center;
    text-align: left;
    padding: 0;
  }

  .sustainability_item:first-child {
    padding-left: 0;
  }

  .sustainability_item:last-child {
    padding-right: 0;
  }

  .sustainability_item > .material-symbols-outlined {
    display: inline;
    grid-row: span 2;
    align-self: center;
    font-size: 2.5rem;
    margin: 0;
  }

  .sustainability_item h3 {
    margin-bottom: 0;
  }

  .sustainability_item + .sustainability_item {
    border-left: none;
    border-top: 1px solid rgba(171, 115, 68, 0.35);
    margin-top: 28px;
    padding-top: 28px;
  }

  .sec_contact {
    padding: 72px 0;
  }

  .contact_desc br {
    display: none;
  }

  .footer_copy__inner {
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-align: center;
  }

  .footer_policy {
    justify-content: center;
  }
}

/* =================================================================
   Language-specific overrides
   ================================================================= */
@media (max-width: 767px) {
  /* TOP hero h1: reduce letter-spacing and allow wrap for en/fr */
  :lang(en) .main_view__inner h1,
  :lang(fr) .main_view__inner h1 {
    white-space: normal;
    letter-spacing: 0.02em;
  }
}