/* ============================================================
   WeiSmile — Professional Computer Systems Design & Integration
   Editorial/Magazine-Style Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,500;1,600&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- Custom Properties ------------------------------------ */
:root {
  --color-bg:            #fefdfb;
  --color-bg-alt:        #f7f4ee;
  --color-bg-warm:       #faf7f2;
  --color-surface:       #ffffff;
  --color-text:          #1c1917;
  --color-text-soft:     #4a4744;
  --color-text-muted:    #7a7672;
  --color-text-inverse:  #f5f2ed;
  --color-accent:        #8b5a3c;
  --color-accent-light:  #b0784e;
  --color-accent-dark:   #6b4228;
  --color-accent-pale:   #f5ede4;
  --color-border:        #e7e3da;
  --color-border-light:  #f0ede6;
  --color-border-strong: #d4cfc4;
  --color-footer:        #1c1917;
  --color-footer-text:   #b8b4ac;
  --color-success:       #3d6b3a;
  --color-error:         #9b3c3c;

  --font-display:  'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:     'JetBrains Mono', 'SF Mono', 'Cascadia Code', monospace;

  --max-width:      1200px;
  --max-width-text: 720px;
  --max-width-wide: 1400px;

  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;
  --text-7xl:  4.5rem;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent-dark);
}

ul, ol {
  list-style: none;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: var(--font-body);
  font-size: var(--text-base);
}

/* --- Typography ------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text);
}

.display-xl {
  font-family: var(--font-display);
  font-size: var(--text-7xl);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.display-lg {
  font-family: var(--font-display);
  font-size: var(--text-6xl);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.015em;
}

.heading-xl {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: 600;
  line-height: 1.15;
}

.heading-lg {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 600;
  line-height: 1.2;
}

.heading-md {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  line-height: 1.25;
}

.section-label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.body-lg {
  font-size: var(--text-xl);
  line-height: 1.75;
  color: var(--color-text-soft);
}

.body-md {
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text-soft);
}

.text-muted {
  color: var(--color-text-muted);
}

/* --- Layout Utilities ------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-xl);
  padding-right: var(--space-xl);
}

.container-wide {
  max-width: var(--max-width-wide);
}

.container-text {
  max-width: var(--max-width-text);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Decorative Elements ---------------------------------- */
.rule {
  border: none;
  height: 1px;
  background-color: var(--color-border);
}

.rule--accent {
  background-color: var(--color-accent);
  height: 2px;
  width: 60px;
}

.rule--thick {
  height: 3px;
  width: 80px;
  background-color: var(--color-accent);
}

.decorative-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  opacity: 0.3;
  pointer-events: none;
}

.decorative-diamond {
  position: absolute;
  width: 12px;
  height: 12px;
  background-color: var(--color-accent);
  transform: rotate(45deg);
  opacity: 0.4;
  pointer-events: none;
}

/* --- Buttons ---------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 2rem;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 2px solid transparent;
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn--primary {
  background-color: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: #ffffff;
}

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

.btn--outline:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

.btn--outline-light {
  background-color: transparent;
  color: var(--color-text-inverse);
  border-color: var(--color-footer-text);
}

.btn--outline-light:hover {
  background-color: var(--color-text-inverse);
  color: var(--color-footer);
  border-color: var(--color-text-inverse);
}

.btn--lg {
  padding: 1rem 2.5rem;
  font-size: var(--text-base);
}

/* --- Header ----------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  backdrop-filter: blur(8px);
  background-color: rgba(255, 255, 255, 0.95);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.site-header__logo {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.site-header__logo span {
  color: var(--color-accent);
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.site-header__nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-soft);
  letter-spacing: 0.02em;
  position: relative;
}

.site-header__nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width 0.25s ease;
}

.site-header__nav a:hover::after,
.site-header__nav a.active::after {
  width: 100%;
}

.site-header__nav a:hover,
.site-header__nav a.active {
  color: var(--color-text);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  cursor: pointer;
}

.nav-toggle__bar {
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: all 0.3s ease;
}

.nav-toggle--open .nav-toggle__bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle--open .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle--open .nav-toggle__bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section ----------------------------------------- */
.hero {
  position: relative;
  padding: var(--space-5xl) 0 var(--space-4xl);
  background-color: var(--color-bg);
  overflow: hidden;
}

.hero__bg-circle {
  position: absolute;
  top: -200px;
  right: -100px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  opacity: 0.5;
  pointer-events: none;
}

.hero__bg-circle--small {
  top: 60%;
  right: 300px;
  width: 200px;
  height: 200px;
  opacity: 0.3;
}

.hero__bg-diamond {
  position: absolute;
  bottom: 80px;
  left: 8%;
  width: 24px;
  height: 24px;
  background-color: var(--color-accent);
  transform: rotate(45deg);
  opacity: 0.25;
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__content {
  max-width: 560px;
}

.hero__overline {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.hero__title em {
  font-style: italic;
  color: var(--color-accent);
}

.hero__rule {
  width: 80px;
  height: 3px;
  background-color: var(--color-accent);
  margin-bottom: var(--space-xl);
}

.hero__deck {
  font-size: var(--text-xl);
  line-height: 1.7;
  color: var(--color-text-soft);
  margin-bottom: var(--space-xl);
}

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

.hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__visual-block {
  width: 100%;
  max-width: 440px;
  aspect-ratio: 4 / 3;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero__visual-block::before {
  content: '';
  position: absolute;
  top: -16px;
  left: -16px;
  right: 16px;
  bottom: 16px;
  border: 2px solid var(--color-accent);
  opacity: 0.2;
  pointer-events: none;
}

.hero__visual-icon {
  font-size: 5rem;
  opacity: 0.15;
  color: var(--color-accent);
  font-family: var(--font-display);
  font-weight: 900;
  user-select: none;
}

/* --- About Section ---------------------------------------- */
.about {
  padding: var(--space-5xl) 0;
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
}

.about__context {
  padding-right: var(--space-2xl);
}

.about__label {
  margin-bottom: var(--space-md);
}

.about__heading {
  margin-bottom: var(--space-lg);
}

.about__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.about__pullquote {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-style: italic;
  line-height: 1.4;
  color: var(--color-accent);
  padding-left: var(--space-xl);
  border-left: 3px solid var(--color-accent);
  margin: var(--space-md) 0;
}

.about__highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.about__highlight {
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border-light);
}

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

.about__highlight-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.about__highlight-desc {
  color: var(--color-text-soft);
  line-height: 1.6;
}

/* --- Services Section ------------------------------------- */
.services {
  padding: var(--space-5xl) 0;
  background-color: var(--color-bg);
  position: relative;
}

.services__header {
  text-align: center;
  margin-bottom: var(--space-4xl);
}

.services__label {
  margin-bottom: var(--space-md);
}

.services__heading {
  max-width: 700px;
  margin: 0 auto var(--space-lg);
}

.services__intro {
  max-width: 600px;
  margin: 0 auto;
  color: var(--color-text-soft);
  font-size: var(--text-lg);
}

/* Chapter-style service items */
.services__list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.service-item {
  display: grid;
  grid-template-columns: 120px 1fr 1fr;
  gap: var(--space-2xl);
  padding: var(--space-3xl) 0;
  border-top: 1px solid var(--color-border);
  align-items: start;
}

.service-item:last-child {
  border-bottom: 1px solid var(--color-border);
}

.service-item__number {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-accent-pale);
  line-height: 0.8;
  user-select: none;
}

.service-item__content {
  padding-top: var(--space-sm);
}

.service-item__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.service-item__desc {
  color: var(--color-text-soft);
  line-height: 1.7;
  font-size: var(--text-base);
}

.service-item__features {
  padding-top: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.service-item__feature {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.service-item__feature-marker {
  width: 8px;
  height: 8px;
  margin-top: 8px;
  flex-shrink: 0;
  background-color: var(--color-accent);
  transform: rotate(45deg);
}

.service-item__feature-text {
  font-size: var(--text-sm);
  color: var(--color-text-soft);
  line-height: 1.6;
}

/* --- Industries Section ----------------------------------- */
.industries {
  padding: var(--space-5xl) 0;
  background-color: var(--color-bg-alt);
}

.industries__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.industries__header {
  margin-bottom: var(--space-xl);
}

.industries__label {
  margin-bottom: var(--space-md);
}

.industries__heading {
  margin-bottom: var(--space-lg);
}

.industries__desc {
  color: var(--color-text-soft);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.industries__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.industry-tag {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-soft);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  letter-spacing: 0.02em;
}

.industries__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.industry-card {
  background-color: var(--color-surface);
  padding: var(--space-xl);
  border: 1px solid var(--color-border-light);
  transition: border-color 0.3s ease;
}

.industry-card:hover {
  border-color: var(--color-accent);
}

.industry-card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.industry-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.industry-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-soft);
  line-height: 1.6;
}

/* --- Process Section -------------------------------------- */
.process {
  padding: var(--space-5xl) 0;
  background-color: var(--color-surface);
  position: relative;
  overflow: hidden;
}

.process__bg-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background-color: var(--color-border-light);
  pointer-events: none;
}

.process__header {
  text-align: center;
  margin-bottom: var(--space-4xl);
}

.process__label {
  margin-bottom: var(--space-md);
}

.process__heading {
  max-width: 600px;
  margin: 0 auto;
}

.process__steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
  position: relative;
  z-index: 1;
}

.process-step {
  display: grid;
  grid-template-columns: 1fr 200px 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.process-step:nth-child(even) {
  direction: initial;
}

.process-step:nth-child(even) .process-step__content {
  order: 3;
}

.process-step:nth-child(even) .process-step__number {
  order: 1;
}

.process-step:nth-child(even) .process-step__visual {
  order: 2;
}

.process-step__content {
  padding: var(--space-xl);
}

.process-step__step-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.process-step__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.process-step__desc {
  color: var(--color-text-soft);
  line-height: 1.7;
}

.process-step__number {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 6rem;
  font-weight: 800;
  color: var(--color-bg-alt);
  user-select: none;
}

.process-step__visual {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--color-accent);
  background-color: var(--color-surface);
  flex-shrink: 0;
}

/* --- Contact Section -------------------------------------- */
.contact {
  padding: var(--space-5xl) 0;
  background-color: var(--color-bg);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-4xl);
  align-items: start;
}

.contact__info {
  padding-top: var(--space-xl);
}

.contact__label {
  margin-bottom: var(--space-md);
}

.contact__heading {
  margin-bottom: var(--space-lg);
}

.contact__desc {
  color: var(--color-text-soft);
  line-height: 1.7;
  margin-bottom: var(--space-xl);
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact__detail {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.contact__detail-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent-pale);
  border-radius: 50%;
  font-size: var(--text-lg);
  flex-shrink: 0;
}

.contact__detail-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.contact__detail-value {
  color: var(--color-text-soft);
  font-size: var(--text-sm);
}

.contact__form-wrapper {
  background-color: var(--color-surface);
  padding: var(--space-2xl);
  border: 1px solid var(--color-border-light);
}

.form__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-xl);
  color: var(--color-text);
}

.form__group {
  margin-bottom: var(--space-lg);
}

.form__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.form__input,
.form__select,
.form__textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  outline: none;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-pale);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-text-muted);
}

.form__textarea {
  min-height: 140px;
  resize: vertical;
}

.form__submit {
  width: 100%;
}

.form__message {
  margin-top: var(--space-md);
  padding: var(--space-md);
  font-size: var(--text-sm);
  font-weight: 500;
  display: none;
}

.form__message--success {
  display: block;
  color: var(--color-success);
  background-color: #f0f7ed;
  border: 1px solid #c8e0c4;
}

.form__message--error {
  display: block;
  color: var(--color-error);
  background-color: #fdf3f3;
  border: 1px solid #f0cfcf;
}

/* --- CTA Section ------------------------------------------ */
.cta {
  padding: var(--space-5xl) 0;
  background-color: var(--color-footer);
  color: var(--color-text-inverse);
  text-align: center;
}

.cta__inner {
  max-width: 700px;
  margin: 0 auto;
}

.cta__heading {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-text-inverse);
  margin-bottom: var(--space-lg);
  line-height: 1.2;
}

.cta__desc {
  font-size: var(--text-lg);
  color: var(--color-footer-text);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
}

.cta__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Footer ----------------------------------------------- */
.site-footer {
  background-color: var(--color-footer);
  color: var(--color-footer-text);
  padding: var(--space-4xl) 0 var(--space-2xl);
  border-top: 1px solid rgba(255,255,255,0.08);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.site-footer__brand-name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text-inverse);
  margin-bottom: var(--space-md);
}

.site-footer__brand-desc {
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.site-footer__col-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-inverse);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-lg);
}

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

.site-footer__links a {
  font-size: var(--text-sm);
  color: var(--color-footer-text);
  transition: color 0.2s ease;
}

.site-footer__links a:hover {
  color: var(--color-text-inverse);
}

.site-footer__bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: var(--text-sm);
}

.site-footer__bottom-links {
  display: flex;
  gap: var(--space-xl);
}

.site-footer__bottom-links a {
  font-size: var(--text-sm);
  color: var(--color-footer-text);
}

.site-footer__bottom-links a:hover {
  color: var(--color-text-inverse);
}

/* --- Mobile Navigation ------------------------------------ */
.mobile-nav {
  position: fixed;
  top: 73px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-surface);
  z-index: 99;
  display: flex;
  flex-direction: column;
  padding: var(--space-2xl);
  transform: translateX(100%);
  transition: transform 0.35s ease;
  overflow-y: auto;
}

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

.mobile-nav a {
  display: block;
  padding: var(--space-md) 0;
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border-light);
  font-family: var(--font-display);
}

.mobile-nav__cta {
  margin-top: var(--space-2xl);
}

/* --- Legal Pages ------------------------------------------ */
.legal-page {
  padding: var(--space-4xl) 0 var(--space-5xl);
  background-color: var(--color-surface);
}

.legal-page__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
}

.legal-page__title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.legal-page__meta {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.legal-page__content {
  max-width: var(--max-width-text);
  margin: 0 auto;
}

.legal-page__content h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.legal-page__content h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.legal-page__content p {
  margin-bottom: var(--space-md);
  line-height: 1.8;
  color: var(--color-text-soft);
}

.legal-page__content ul,
.legal-page__content ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
  color: var(--color-text-soft);
  line-height: 1.8;
}

.legal-page__content ul {
  list-style: disc;
}

.legal-page__content ol {
  list-style: decimal;
}

.legal-page__content li {
  margin-bottom: var(--space-sm);
}

.legal-page__content strong {
  color: var(--color-text);
  font-weight: 600;
}

.legal-page__content address {
  font-style: normal;
  line-height: 1.8;
  color: var(--color-text-soft);
  margin-bottom: var(--space-md);
}

.legal-page__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-3xl);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
}

/* --- Scroll Animations ------------------------------------ */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children--visible > *:nth-child(1) { transition-delay: 0s; }
.stagger-children--visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children--visible > *:nth-child(3) { transition-delay: 0.2s; }
.stagger-children--visible > *:nth-child(4) { transition-delay: 0.3s; }
.stagger-children--visible > *:nth-child(5) { transition-delay: 0.4s; }
.stagger-children--visible > *:nth-child(6) { transition-delay: 0.5s; }
.stagger-children--visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive Breakpoints ------------------------------- */

/* Tablet & below (max-width: 1024px) */
@media (max-width: 1024px) {
  :root {
    --text-7xl: 3.5rem;
    --text-6xl: 3rem;
    --text-5xl: 2.5rem;
    --text-4xl: 2rem;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .hero__visual {
    display: none;
  }

  .about__inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .about__context {
    padding-right: 0;
  }

  .service-item {
    grid-template-columns: 80px 1fr;
    gap: var(--space-xl);
  }

  .service-item__features {
    grid-column: 1 / -1;
    padding-left: calc(80px + var(--space-xl));
  }

  .service-item__number {
    font-size: 3rem;
  }

  .industries__inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .process__bg-line {
    display: none;
  }

  .process-step {
    grid-template-columns: 80px 1fr;
    gap: var(--space-lg);
  }

  .process-step__visual {
    display: none;
  }

  .process-step:nth-child(even) .process-step__content {
    order: unset;
  }

  .process-step:nth-child(even) .process-step__number {
    order: unset;
  }

  .process-step__number {
    font-size: 4rem;
  }

  .contact__inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

  .site-header__nav {
    display: none;
  }

  .site-header__nav .btn {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}

/* Mobile (max-width: 640px) */
@media (max-width: 640px) {
  :root {
    --text-7xl: 2.5rem;
    --text-6xl: 2.25rem;
    --text-5xl: 2rem;
    --text-4xl: 1.75rem;
    --space-5xl: 4rem;
    --space-4xl: 3rem;
    --space-3xl: 2rem;
  }

  .container {
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }

  .hero {
    padding: var(--space-3xl) 0 var(--space-2xl);
  }

  .hero__actions {
    flex-direction: column;
  }

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

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

  .service-item__number {
    font-size: 2.5rem;
  }

  .service-item__features {
    padding-left: 0;
  }

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

  .process-step {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
    text-align: center;
  }

  .process-step__number {
    font-size: 3rem;
    justify-content: center;
    order: -1;
  }

  .process-step:nth-child(even) .process-step__number {
    order: -1;
  }

  .process-step__content {
    padding: var(--space-md);
  }

  .contact__form-wrapper {
    padding: var(--space-xl);
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .site-footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .site-footer__bottom-links {
    flex-direction: column;
    gap: var(--space-sm);
    align-items: center;
  }

  .cta__heading {
    font-size: var(--text-3xl);
  }

  .cta__actions {
    flex-direction: column;
  }

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

  .legal-page__title {
    font-size: var(--text-3xl);
  }

  .legal-page__content {
    font-size: var(--text-base);
  }
}