/* ===== DESIGN TOKENS ===== */
:root {
  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);

  /* Content Widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
}

/* ===== DARK CYAN PERPLEXITY THEME ===== */
:root, [data-theme="dark"] {
  /* Dark surfaces */
  --color-bg:             #0a1214;
  --color-surface:        #0f1a1d;
  --color-surface-2:      #142226;
  --color-surface-offset: #0d1719;
  --color-surface-offset-2: #182a2f;
  --color-surface-dynamic: #1e3338;
  --color-divider:        #1e3338;
  --color-border:         #264147;

  /* Text */
  --color-text:           #e8f0f2;
  --color-text-muted:     #8ba4aa;
  --color-text-faint:     #506a70;
  --color-text-inverse:   #0a1214;

  /* Primary Accent — Cyan/Teal */
  --color-primary:        #00bcd4;
  --color-primary-hover:  #00a5bb;
  --color-primary-active: #008fa3;
  --color-primary-highlight: #0e2f35;
  --color-primary-glow:   rgba(0, 188, 212, 0.15);

  /* Secondary — Warm accent for variety */
  --color-secondary:      #26c6da;

  /* Success */
  --color-success:        #4caf50;

  /* Warning */
  --color-warning:        #ff9800;

  /* Error */
  --color-error:          #f44336;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
}

/* Light mode override */
[data-theme="light"] {
  --color-bg:             #f0f7f8;
  --color-surface:        #ffffff;
  --color-surface-2:      #f5fafa;
  --color-surface-offset: #e6f0f2;
  --color-surface-offset-2: #dceaed;
  --color-surface-dynamic: #cde0e4;
  --color-divider:        #bcd4d9;
  --color-border:         #a3c4ca;

  --color-text:           #0a1e22;
  --color-text-muted:     #4a6a70;
  --color-text-faint:     #8aa0a5;
  --color-text-inverse:   #f0f7f8;

  --color-primary:        #00838f;
  --color-primary-hover:  #006978;
  --color-primary-active: #004f5e;
  --color-primary-highlight: #e0f4f7;
  --color-primary-glow:   rgba(0, 131, 143, 0.1);

  --shadow-sm: 0 1px 2px rgba(0, 40, 50, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 40, 50, 0.08);
  --shadow-lg: 0 12px 32px rgba(0, 40, 50, 0.12);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg:             #f0f7f8;
    --color-surface:        #ffffff;
    --color-surface-2:      #f5fafa;
    --color-surface-offset: #e6f0f2;
    --color-surface-offset-2: #dceaed;
    --color-surface-dynamic: #cde0e4;
    --color-divider:        #bcd4d9;
    --color-border:         #a3c4ca;
    --color-text:           #0a1e22;
    --color-text-muted:     #4a6a70;
    --color-text-faint:     #8aa0a5;
    --color-text-inverse:   #f0f7f8;
    --color-primary:        #00838f;
    --color-primary-hover:  #006978;
    --color-primary-active: #004f5e;
    --color-primary-highlight: #e0f4f7;
    --color-primary-glow:   rgba(0, 131, 143, 0.1);
    --shadow-sm: 0 1px 2px rgba(0, 40, 50, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 40, 50, 0.08);
    --shadow-lg: 0 12px 32px rgba(0, 40, 50, 0.12);
  }
}

/* ===== LAYOUT ===== */
.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--narrow {
  max-width: var(--content-default);
}

/* ===== SKIP LINK ===== */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 999;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--color-bg);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  text-decoration: none;
}
.skip-link:focus {
  top: var(--space-4);
}

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 18, 20, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}

[data-theme="light"] .header {
  background: rgba(240, 247, 248, 0.85);
}

.header--hidden {
  transform: translateY(-100%);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

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

/* Theme-aware logo: show cyan on dark, dark on light */
[data-theme="light"] .header__logo-img {
  filter: brightness(0) saturate(100%);
}

.header__logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.header__logo-text span {
  display: block;
  font-size: var(--text-xs);
  font-weight: 400;
  font-family: var(--font-body);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.header__nav-links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
}

.header__nav-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.02em;
  position: relative;
  padding-bottom: 2px;
}

.header__nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.3s var(--ease-out);
}

.header__nav-links a:hover {
  color: var(--color-primary);
}

.header__nav-links a:hover::after {
  width: 100%;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}

.theme-toggle:hover {
  color: var(--color-primary);
  background: var(--color-primary-glow);
}

.mobile-menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

.mobile-menu-btn svg {
  width: 24px;
  height: 24px;
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99;
  background: var(--color-bg);
  padding: var(--space-20) var(--space-6) var(--space-6);
  flex-direction: column;
  gap: var(--space-6);
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav a {
  display: block;
  font-size: var(--text-xl);
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
}

.mobile-nav a:hover {
  color: var(--color-primary);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

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

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 18, 20, 0.92) 0%,
    rgba(10, 18, 20, 0.75) 40%,
    rgba(10, 18, 20, 0.55) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-32) var(--space-6) var(--space-20);
  max-width: 800px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary-glow);
  border: 1px solid rgba(0, 188, 212, 0.3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

.hero__badge svg {
  width: 14px;
  height: 14px;
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
  line-height: 1.05;
}

.hero__title .highlight {
  color: var(--color-primary);
}

.hero__description {
  font-size: var(--text-lg);
  color: rgba(232, 240, 242, 0.8);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 600px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background var(--transition-interactive),
              color var(--transition-interactive),
              box-shadow var(--transition-interactive),
              transform var(--transition-interactive);
}

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

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

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 20px rgba(0, 188, 212, 0.3);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-glow);
}

.btn svg {
  width: 18px;
  height: 18px;
}

/* ===== STATS BAR ===== */
.stats {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-10) 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
  text-align: center;
}

.stats__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stats__number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.stats__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

/* ===== ABOUT SECTION ===== */
.about {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.about__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.about__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.about__image::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(0, 188, 212, 0.15);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.section-text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.about__values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.about__value {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-divider);
}

.about__value-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.about__value-icon svg {
  width: 20px;
  height: 20px;
}

.about__value h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.about__value p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ===== SERVICES ===== */
.services {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
  background: var(--color-surface);
}

.services__header {
  text-align: left;
  margin-bottom: var(--space-12);
  max-width: 600px;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: box-shadow var(--transition-interactive),
              transform var(--transition-interactive),
              border-color var(--transition-interactive);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-interactive);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 188, 212, 0.12);
  border-color: rgba(0, 188, 212, 0.3);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}

.service-card__icon svg {
  width: 28px;
  height: 28px;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.service-card ul {
  list-style: none;
  margin-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.service-card li {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.service-card li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
  opacity: 0.6;
}

/* ===== PROJECTS ===== */
.projects {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
}

.projects__header {
  text-align: left;
  margin-bottom: var(--space-12);
  max-width: 600px;
}

.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.projects__grid .project-card:first-child {
  grid-column: 1 / -1;
}

.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: default;
  border: 1px solid var(--color-divider);
}

.project-card__image {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.project-card:first-child .project-card__image {
  aspect-ratio: 21/9;
}

.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.project-card:hover .project-card__image img {
  transform: scale(1.03);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 18, 20, 0.9) 0%, rgba(10, 18, 20, 0.2) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
}

.project-card__tag {
  display: inline-flex;
  padding: var(--space-1) var(--space-3);
  background: rgba(0, 188, 212, 0.2);
  border: 1px solid rgba(0, 188, 212, 0.3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  width: fit-content;
}

.project-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: var(--space-2);
}

.project-card__desc {
  font-size: var(--text-sm);
  color: rgba(232, 240, 242, 0.7);
  line-height: 1.6;
}

/* ===== FULL-WIDTH DIVIDER IMAGE ===== */
.divider-image {
  width: 100%;
  height: 400px;
  overflow: hidden;
  position: relative;
}

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

.divider-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    var(--color-bg) 0%,
    transparent 15%,
    transparent 85%,
    var(--color-surface) 100%
  );
}

/* ===== FAQ ===== */
.faq {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
  background: var(--color-surface);
}

.faq__header {
  text-align: left;
  margin-bottom: var(--space-12);
  max-width: 600px;
}

.faq__list {
  max-width: 800px;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.faq-item {
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-interactive);
}

.faq-item.active {
  border-color: rgba(0, 188, 212, 0.3);
}

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
}

.faq-item__question:hover {
  color: var(--color-primary);
}

.faq-item__icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform 0.3s var(--ease-out);
}

.faq-item.active .faq-item__icon {
  transform: rotate(45deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out), padding 0.4s var(--ease-out);
}

.faq-item.active .faq-item__answer {
  max-height: 400px;
}

.faq-item__answer-inner {
  padding: 0 var(--space-6) var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ===== CONTACT ===== */
.contact {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) 0;
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-12);
}

.contact__info-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.contact__card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
}

.contact__card-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-glow);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact__card-icon svg {
  width: 20px;
  height: 20px;
}

.contact__card h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}

.contact__card p,
.contact__card a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  line-height: 1.5;
}

.contact__card a:hover {
  color: var(--color-primary);
}

.contact__form {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

.form__group {
  margin-bottom: var(--space-5);
}

.form__group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form__group input,
.form__group select,
.form__group textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form__group input::placeholder,
.form__group textarea::placeholder {
  color: var(--color-text-faint);
}

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

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

/* ===== FOOTER ===== */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer__brand p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-top: var(--space-4);
  max-width: 280px;
}

.footer__column h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer__column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__column a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}

.footer__column a:hover {
  color: var(--color-primary);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
}

.footer__bottom p {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer__bottom a {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
}

.footer__bottom a:hover {
  color: var(--color-primary);
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}

.reveal-up {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .reveal-up {
    clip-path: inset(100% 0 0 0);
    animation: reveal-clip linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}

@keyframes reveal-clip {
  to { clip-path: inset(0 0 0 0); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 768px) {
  .header__nav-links {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }
  .hero__content {
    padding: var(--space-24) var(--space-6) var(--space-12);
  }
  .hero__title {
    font-size: var(--text-2xl);
  }
  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }
  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .services__grid {
    grid-template-columns: 1fr;
  }
  .projects__grid {
    grid-template-columns: 1fr;
  }
  .projects__grid .project-card:first-child {
    grid-column: auto;
  }
  .project-card:first-child .project-card__image {
    aspect-ratio: 16/9;
  }
  .contact__grid {
    grid-template-columns: 1fr;
  }
  .form__row {
    grid-template-columns: 1fr;
  }
  .footer__grid {
    grid-template-columns: 1fr;
  }
  .footer__bottom {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }
  .about__values {
    grid-template-columns: 1fr;
  }
  .divider-image {
    height: 250px;
  }
}