/* ============================================
   HAUS Partners - Main Stylesheet
   ============================================ */

/* --- Font Faces --- */
@font-face {
  font-family: 'DIN Pro';
  src: url('../assets/fonts/dinpro_light.otf') format('opentype');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DIN Pro';
  src: url('../assets/fonts/dinpro.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DIN Pro';
  src: url('../assets/fonts/dinpro_medium.otf') format('opentype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DIN Pro';
  src: url('../assets/fonts/dinpro_bold.otf') format('opentype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DIN Pro';
  src: url('../assets/fonts/dinpro_black.otf') format('opentype');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

/* --- CSS Variables --- */
:root {
  --color-black: #1a1a1a;
  --color-dark: #2d2d2d;
  --color-gray-700: #444444;
  --color-gray-500: #6b6b6b;
  --color-gray-300: #b0b0b0;
  --color-gray-100: #f0f0f0;
  --color-white: #ffffff;
  --color-accent: #1a1a1a;
  --color-accent-hover: #333333;

  --font-primary: 'DIN Pro', 'Inter', 'Helvetica Neue', Arial, sans-serif;

  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 40px;
  --spacing-xl: 60px;
  --spacing-2xl: 80px;
  --spacing-3xl: 120px;

  --max-width: 1200px;
  --header-height: 80px;
  --border-radius: 4px;

  --transition: 0.3s ease;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-weight: 400;
  color: var(--color-black);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
  color: var(--color-gray-700);
}

.overline {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: var(--spacing-sm);
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-2xl) 0;
}

.section--gray {
  background-color: var(--color-gray-100);
}

.section--dark {
  background-color: var(--color-black);
  color: var(--color-white);
}

.section--dark p {
  color: var(--color-gray-300);
}

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

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

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

.text-center { text-align: center; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.8px;
  border-radius: var(--border-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: capitalize;
}

.btn--primary {
  background-color: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

.btn--primary:hover {
  background-color: var(--color-white);
  color: var(--color-black);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-black);
  border-color: var(--color-black);
}

.btn--outline:hover {
  background-color: var(--color-black);
  color: var(--color-white);
}

.btn--white {
  background-color: var(--color-white);
  color: var(--color-black);
  border-color: var(--color-white);
}

.btn--white:hover {
  background-color: transparent;
  color: var(--color-white);
}

.btn--sm {
  padding: 10px 24px;
  font-size: 0.8125rem;
}

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--color-white);
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.header--scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.header__logo img {
  height: 32px;
  width: auto;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header__nav-item {
  position: relative;
}

.header__nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-700);
  padding: 8px 0;
  transition: color var(--transition);
}

.header__nav-link:hover,
.header__nav-link--active {
  color: var(--color-black);
}

/* Dropdown */
.header__dropdown {
  position: absolute;
  top: 100%;
  left: -16px;
  min-width: 260px;
  background: var(--color-white);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  border-radius: var(--border-radius);
  padding: var(--spacing-xs) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition);
}

.header__nav-item:hover .header__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header__dropdown-link {
  display: block;
  padding: 10px 20px;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-gray-700);
  transition: all var(--transition);
}

.header__dropdown-link:hover {
  background-color: var(--color-gray-100);
  color: var(--color-black);
}

.header__cta {
  margin-left: 0;
}

/* Mobile menu toggle */
.header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.header__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-black);
  transition: all var(--transition);
}

.header__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.header__toggle.active span:nth-child(2) {
  opacity: 0;
}

.header__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section --- */
.hero {
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

/* Hero Slideshow */
.hero__slideshow {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
}

.hero__slide--active {
  opacity: 1;
}

.hero__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__slideshow-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 1;
}

.hero__inner--overlay {
  position: relative;
  z-index: 2;
  display: block;
}

.hero__content {
  padding: var(--spacing-xl) 0;
  max-width: 680px;
}

.hero__title {
  font-size: 3.25rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  color: var(--color-white);
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--color-gray-300);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
  max-width: 520px;
}

.hero__actions {
  display: flex;
  gap: var(--spacing-sm);
}

.btn--outline-white {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn--outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-black);
}

.hero__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* --- About Preview Section --- */
.about-preview__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.about-preview__content h2 {
  margin-bottom: var(--spacing-md);
}

.about-preview__image {
  background: var(--color-gray-100);
  border-radius: 8px;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.about-preview__logo {
  background: transparent;
  padding: var(--spacing-lg);
}

.about-preview__logo img {
  max-width: 500px;
  width: 100%;
  height: auto;
}

/* --- Solutions Cards --- */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.solution-card {
  background: var(--color-white);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 8px;
  padding: var(--spacing-lg);
  transition: all var(--transition);
}

.solution-card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.solution-card__icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-gray-100);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.solution-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.solution-card__desc {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  margin-bottom: var(--spacing-sm);
}

.solution-card__link {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-black);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.solution-card__link:hover {
  gap: 10px;
}

.solution-card__link::after {
  content: '\2192';
}

/* --- Why Us / Advantages --- */
.advantages {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.advantage-item {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
}

.advantage-item__icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: var(--color-gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
}

.section--dark .advantage-item__icon {
  background: rgba(255, 255, 255, 0.1);
}

.advantage-item__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.advantage-item__desc {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  margin-bottom: 0;
}

.section--dark .advantage-item__desc {
  color: var(--color-gray-300);
}

/* --- Experience / Sectors --- */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.sector-item {
  text-align: center;
}

.sector-item__image {
  width: 100%;
  aspect-ratio: 1;
  background: var(--color-gray-100);
  border-radius: 8px;
  margin-bottom: var(--spacing-xs);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sector-item__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sector-item__name {
  font-size: 0.8125rem;
  font-weight: 500;
}

/* --- Projects --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.project-card {
  border-radius: 8px;
  overflow: hidden;
  background: var(--color-white);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  transition: all var(--transition);
}

.project-card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  transform: translateY(-4px);
}

.project-card__image {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-300) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-card__tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin-bottom: 6px;
}

.project-card__body {
  padding: var(--spacing-md);
}

.project-card__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.project-card__location {
  font-size: 0.8125rem;
  color: var(--color-gray-500);
  margin-bottom: 4px;
}

.project-card__role {
  font-size: 0.8125rem;
  color: var(--color-gray-500);
  margin-bottom: 0;
}

/* --- Contact / CTA Section --- */
.contact-section {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0;
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.contact__title {
  font-size: 2.25rem;
  margin-bottom: var(--spacing-sm);
}

.contact__desc {
  color: var(--color-gray-300);
  margin-bottom: var(--spacing-md);
}

/* --- Form --- */
.form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
}

.form__group {
  display: flex;
  flex-direction: column;
}

.form__group--full {
  grid-column: 1 / -1;
}

.form__label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-gray-300);
  margin-bottom: 6px;
}

.form__input,
.form__select,
.form__textarea {
  padding: 12px 16px;
  font-family: var(--font-primary);
  font-size: 0.875rem;
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--border-radius);
  transition: border-color var(--transition);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-gray-500);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.5);
}

.form__textarea {
  min-height: 120px;
  resize: vertical;
}

.form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23b0b0b0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form__select option {
  background: var(--color-dark);
  color: var(--color-white);
}

.form__submit {
  grid-column: 1 / -1;
  margin-top: var(--spacing-xs);
}

/* Light form variant */
.form--light .form__input,
.form--light .form__select,
.form--light .form__textarea {
  color: var(--color-black);
  background: var(--color-white);
  border-color: rgba(0, 0, 0, 0.12);
}

.form--light .form__input:focus,
.form--light .form__select:focus,
.form--light .form__textarea:focus {
  border-color: var(--color-black);
}

.form--light .form__label {
  color: var(--color-gray-700);
}

/* --- Values / Philosophy --- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.value-card {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--color-white);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 8px;
}

.value-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--spacing-sm);
  background: var(--color-gray-100);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.value-card__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.value-card__desc {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  margin-bottom: 0;
}

/* --- Team --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.team-card {
  text-align: center;
}

.team-card__photo {
  width: 180px;
  height: 180px;
  margin: 0 auto var(--spacing-sm);
  border-radius: 50%;
  background: var(--color-gray-100);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--color-gray-300);
}

.team-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-card__name {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.team-card__role {
  font-size: 0.875rem;
  color: var(--color-gray-500);
  margin-bottom: var(--spacing-xs);
}

.team-card__links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
}

.team-card__link {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-gray-500);
}

.team-card__link:hover {
  color: var(--color-black);
}

/* --- Stats --- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.stat-item {
  text-align: center;
}

.stat-item__number {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-item__label {
  font-size: 0.8125rem;
  color: var(--color-gray-500);
}

/* --- Process / Standards --- */
.process-tabs {
  display: flex;
  gap: 4px;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--color-gray-100);
}

.process-tab {
  padding: 12px 24px;
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 500;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-gray-500);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
}

.process-tab:hover {
  color: var(--color-black);
}

.process-tab--active {
  color: var(--color-black);
  border-bottom-color: var(--color-black);
}

.process-content {
  display: none;
}

.process-content--active {
  display: block;
}

.process-content h3 {
  margin-bottom: var(--spacing-sm);
}

.process-content p {
  max-width: none;
}

/* --- Solution Detail Page --- */
.page-hero {
  margin-top: var(--header-height);
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-gray-100);
}

.page-hero__overline {
  margin-bottom: var(--spacing-xs);
}

.page-hero__title {
  font-size: 2.75rem;
  margin-bottom: var(--spacing-md);
}

.page-hero__desc {
  font-size: 1.125rem;
  color: var(--color-gray-500);
}

/* Offer list */
.offer-list {
  margin-top: var(--spacing-lg);
}

.offer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.offer-item {
  padding: var(--spacing-md);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--border-radius);
  background: var(--color-white);
}

.section:not(.section--gray) .offer-item {
  background: var(--color-gray-100);
  border-color: transparent;
}

.offer-item__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.offer-item__desc {
  font-size: 0.9375rem;
  color: var(--color-gray-500);
  margin-bottom: 0;
}

/* --- Contact Page Extras --- */
.contact-benefits {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.contact-benefit {
  text-align: center;
}

.contact-benefit__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--spacing-sm);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.contact-benefit__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-white);
}

.contact-benefit__desc {
  font-size: 0.875rem;
  color: var(--color-gray-300);
  margin-bottom: 0;
}

/* --- Footer --- */
.footer {
  background-color: var(--color-black);
  color: var(--color-gray-300);
  padding: var(--spacing-xl) 0 var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer__logo img {
  height: 72px;
  margin-bottom: var(--spacing-sm);
  filter: invert(1);
}

.footer__desc {
  font-size: 0.8125rem;
  color: var(--color-gray-500);
  margin-bottom: 0;
}

.footer__heading {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--spacing-sm);
}

.footer__link {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-gray-500);
  padding: 4px 0;
  transition: color var(--transition);
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--color-gray-500);
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in--visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }

  .hero__title { font-size: 2.75rem; }
  .page-hero__title { font-size: 2.25rem; }

  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .sectors-grid { grid-template-columns: repeat(3, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: var(--spacing-lg); }
}

@media (max-width: 768px) {
  :root {
    --spacing-2xl: 60px;
    --spacing-3xl: 80px;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }

  .hero__title { font-size: 2.25rem; }
  .hero__inner { grid-template-columns: 1fr; }

  .about-preview__inner { grid-template-columns: 1fr; }
  .contact__inner { grid-template-columns: 1fr; }

  .solutions-grid { grid-template-columns: 1fr; }
  .advantages { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .sectors-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-benefits { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .offer-grid { grid-template-columns: 1fr; }

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

  .page-hero__title { font-size: 1.75rem; }

  /* Mobile nav */
  .header__nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--spacing-lg) var(--spacing-md);
    transform: translateX(100%);
    transition: transform var(--transition);
  }

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

  .header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
  }

  .header__nav-item {
    width: 100%;
  }

  .header__nav-link {
    display: block;
    padding: 12px 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--color-gray-100);
  }

  .header__dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    padding: 0 0 0 var(--spacing-sm);
    display: none;
  }

  .header__nav-item--open .header__dropdown {
    display: block;
  }

  .header__cta {
    margin-left: 0;
    width: 100%;
  }

  .header__cta .btn {
    width: 100%;
    justify-content: center;
  }

  .header__toggle {
    display: flex;
  }

  .footer__inner { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; gap: var(--spacing-xs); text-align: center; }

  .process-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .process-tab {
    white-space: nowrap;
  }
}