/* ============================================
   TILE IT SOLUTIONS — Design System & Styles
   Light Theme — Inspired by nirwana.ai
   Clean, minimal, professional
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Primary Palette — Clean White */
  --color-bg:          #FFFFFF;
  --color-bg-alt:      #F8F9FA;
  --color-bg-card:     #FFFFFF;
  --color-bg-elevated: #F1F3F5;
  --color-surface:     #F5F6F8;

  /* Accent — Deep Black */
  --color-accent:      #111111;
  --color-accent-light:#333333;
  --color-accent-dark: #000000;
  --color-accent-glow: rgba(0, 0, 0, 0.06);
  --color-accent-glow2:rgba(0, 0, 0, 0.03);

  /* Secondary Accent — Warm accent */
  --color-secondary:   #111111;
  --color-secondary-glow: rgba(0, 0, 0, 0.05);

  /* Highlight — used for subtle colored elements */
  --color-highlight:   #2563EB;
  --color-highlight-soft: rgba(37, 99, 235, 0.08);

  /* Text */
  --color-text:        #333333;
  --color-text-secondary: #555555;
  --color-text-muted:  #888888;
  --color-text-heading:#111111;

  /* Borders */
  --color-border:      #E8E8E8;
  --color-border-hover:#CCCCCC;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --section-pad: 55px;
  --container-width: 1200px;

  /* Transitions */
  --transition-fast:   0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 100px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul, ol { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-heading);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 3.75rem); font-weight: 700; }
h2 { font-size: clamp(2rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
  line-height: 1.75;
}

.text-gradient {
  color: var(--color-text-heading);
  position: relative;
  display: inline;
}

.text-gradient::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 8px;
  background: rgba(37, 99, 235, 0.15);
  border-radius: 4px;
  z-index: -1;
}

.label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.label::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-text-heading);
}

/* --- Layout --- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.container--narrow {
  max-width: 900px;
}

.section {
  padding: var(--section-pad) 0;
  position: relative;
}

.section--alt {
  background: var(--color-bg-alt);
}

.grid {
  display: grid;
  gap: 24px;
}

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

@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --section-pad: 72px; }
  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: 1fr; }
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section-header p {
  margin-top: 16px;
}


/* --- Navigation Overlay --- */
.nav__overlay {
  display: none;
}

@media (max-width: 900px) {
  .nav__overlay.visible {
    display: none;
  }
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition-medium);
  background: transparent;
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-heading);
}

.nav__logo-img {
  height: 72px;
  width: auto;
  object-fit: contain;
  margin: -12px 0;
}

@media (max-width: 900px) {
  .nav__logo-img {
    height: 52px;
    margin: -6px 0;
  }
}

.nav__logo-icon {
  width: 36px;
  height: 36px;
  background: var(--color-text-heading);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 800;
  color: #fff;
}

.nav__logo span {
  color: var(--color-text-muted);
  font-weight: 500;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav__link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  position: relative;
  transition: color var(--transition-fast);
}

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

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-text-heading);
  transition: width var(--transition-fast);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__cta {
  margin-left: auto;
}

.nav__lang-switch {
  margin-left: 8px;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: var(--radius-pill);
}

.nav__lang-dropdown {
  margin-left: 4px;
}

.nav__lang-toggle {
  cursor: pointer;
  user-select: none;
}

.nav__lang-icon {
  flex-shrink: 0;
}

.nav__lang-menu {
  min-width: 140px !important;
  left: auto !important;
  right: 0;
  transform: translateY(8px) !important;
  padding-top: 8px;
}

.nav__dropdown:hover .nav__lang-menu,
.nav__dropdown.open .nav__lang-menu {
  transform: translateY(0) !important;
}

.nav__lang-current {
  color: var(--color-text-heading) !important;
  font-weight: 700 !important;
  opacity: 0.5;
  cursor: default;
  pointer-events: none;
}

/* --- Solutions Mega Menu Dropdown --- */
.nav__dropdown {
  position: relative;
}

.nav__link--has-dd {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.nav__dd-arrow {
  transition: transform 0.25s ease;
}

.nav__dropdown:hover .nav__dd-arrow,
.nav__dropdown.open .nav__dd-arrow {
  transform: rotate(180deg);
}

.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  width: 520px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  z-index: 1000;
  padding-top: 12px;
}

.nav__dropdown:hover .mega-menu,
.nav__dropdown.open .mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.mega-menu__inner {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.04);
  padding: 24px;
}

.mega-menu__label {
  display: block;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  padding-left: 4px;
}

.mega-menu__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.mega-menu__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  padding: 8px;
  border-radius: var(--radius-md);
  transition: background 0.2s ease;
  text-decoration: none;
}

.mega-menu__item:hover {
  background: var(--color-bg-alt);
}

.mega-menu__img {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.mega-menu__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.mega-menu__item:hover .mega-menu__img img {
  transform: scale(1.08);
}

.mega-menu__item span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-heading);
  line-height: 1.3;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 1010;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-heading);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

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

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

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

@media (max-width: 900px) {
  .nav {
    padding: 10px 0 !important;
  }

  .nav__hamburger { display: flex; }

  .nav__links {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    height: 100dvh !important;
    max-width: none !important;
    background: #fff !important;
    flex-direction: column !important;
    justify-content: flex-start !important;
    align-items: stretch !important;
    padding: 72px 20px 40px !important;
    gap: 0 !important;
    border: none !important;
    border-left: none !important;
    box-shadow: none !important;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
  }

  .nav__links.open {
    transform: translateX(0) !important;
  }

  .nav__link {
    font-size: 1.05rem;
    font-weight: 600;
    padding: 16px 0;
    width: 100%;
    border: none !important;
    color: var(--color-text-heading);
  }

  .nav__link::after {
    display: none !important;
  }

  .nav__cta {
    margin-left: 0;
    margin-top: 24px;
    text-align: center;
    justify-content: center;
    width: 100%;
  }

  /* Dropdown wrapper */
  .nav__dropdown {
    width: 100%;
  }

  .nav__link--has-dd {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
  }

  .nav__dd-arrow {
    transition: transform 0.3s ease;
    flex-shrink: 0;
  }

  .nav__dropdown.open .nav__dd-arrow {
    transform: rotate(180deg);
  }

  /* Mega menu — mobile (Solutions) */
  .mega-menu {
    position: static !important;
    transform: none !important;
    width: 100% !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    padding-top: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }
  .nav__dropdown.open .mega-menu {
    max-height: 1200px;
  }
  .mega-menu__inner {
    border: none !important;
    box-shadow: none !important;
    padding: 8px 0 16px !important;
    background: transparent !important;
    width: 100% !important;
  }
  .mega-menu__label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }
  .mega-menu__grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 10px !important;
    width: 100% !important;
  }
  .mega-menu__item {
    flex-direction: column !important;
    align-items: center !important;
    text-align: center !important;
    gap: 6px;
    padding: 10px 4px;
    border-radius: 12px;
    border: 1px solid #eee;
    background: #fafafa;
    min-width: 0;
  }
  .mega-menu__img {
    width: 100% !important;
    height: auto !important;
    aspect-ratio: 1 / 1;
    border-radius: 12px;
    flex-shrink: 0;
  }
  .mega-menu__item span {
    font-size: 0.7rem !important;
    font-weight: 600;
    line-height: 1.3;
    word-break: break-word;
  }
}

/* --- Simple Dropdown (Work, About) --- */
.sub-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  z-index: 1000;
}

.nav__dropdown:hover .sub-menu,
.nav__dropdown.open .sub-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.sub-menu__inner {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  padding: 12px 0;
}

.sub-menu__item {
  display: block;
  padding: 10px 24px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-body);
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.sub-menu__item:hover {
  background: var(--color-bg-subtle, #F5F3EF);
  color: var(--color-text-heading);
}

@media (max-width: 900px) {
  .sub-menu {
    position: static !important;
    transform: none !important;
    width: 100% !important;
    min-width: auto !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
  }
  .nav__dropdown.open .sub-menu {
    max-height: 300px;
  }
  .sub-menu__inner {
    border: none !important;
    box-shadow: none !important;
    padding: 0 0 12px 20px !important;
    background: transparent !important;
  }
  .sub-menu__item {
    padding: 10px 0;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-body);
    white-space: normal;
  }

  .nav__lang-dropdown {
    margin-left: 0 !important;
    margin-top: 12px;
    border-top: 1px solid var(--color-border);
    padding-top: 12px;
  }

  .nav__lang-menu {
    min-width: auto !important;
    left: 0 !important;
    right: auto !important;
  }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-text-heading);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.btn--primary:hover {
  background: #333333;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  transform: translateY(-2px);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text-heading);
  border: 1.5px solid var(--color-border-hover);
}

.btn--secondary:hover {
  border-color: var(--color-text-heading);
  background: var(--color-accent-glow2);
}

.btn--white {
  background: #FFFFFF;
  color: var(--color-text-heading);
  border: 1.5px solid var(--color-border);
}

.btn--white:hover {
  border-color: var(--color-text-heading);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-heading);
  padding: 14px 0;
}

.btn--ghost:hover {
  color: var(--color-text-secondary);
}

.btn--ghost .arrow {
  transition: transform var(--transition-fast);
}

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

.btn--large {
  padding: 18px 36px;
  font-size: 1rem;
}

.btn .arrow {
  font-size: 1.1em;
}

/* --- Cards --- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.06);
}

.card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  border: 1px solid var(--color-border);
}

.card__icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-text-heading);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card__icon--alt {
  background: var(--color-highlight-soft);
  border-color: rgba(37, 99, 235, 0.12);
}

.card__icon--alt svg {
  stroke: var(--color-highlight);
}

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

.card p {
  font-size: 0.9375rem;
}

.card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-heading);
  transition: gap var(--transition-fast);
}

.card__link:hover {
  gap: 10px;
}

/* --- Card with Thumbnail Image --- */
.card.card--with-img {
  padding: 0;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

.card.card--with-img .card__thumb {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  position: relative;
}

.card.card--with-img .card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.card.card--with-img:hover .card__thumb img {
  transform: scale(1.06);
}

.card.card--with-img .card__body {
  padding: 24px 28px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card.card--with-img .card__body h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.card.card--with-img .card__body p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
}


/* --- Feature Card (Large) --- */
.feature-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 56px;
  margin-bottom: 32px;
  transition: all var(--transition-medium);
}

.feature-card:hover {
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.06);
  border-color: var(--color-border-hover);
}

.feature-card__visual {
  border-radius: var(--radius-lg);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
}

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

@media (max-width: 900px) {
  .feature-card {
    grid-template-columns: 1fr;
    padding: 32px;
  }
}

.tag {
  display: inline-flex;
  padding: 4px 14px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

/* --- CTA Section --- */
.cta-section {
  padding: 120px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--color-text-heading);
  color: #FFFFFF;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 70%, rgba(255,255,255,0.04) 0%, transparent 50%),
              radial-gradient(circle at 70% 30%, rgba(255,255,255,0.03) 0%, transparent 40%);
  pointer-events: none;
}

.cta-section .label {
  color: rgba(255, 255, 255, 0.5);
}

.cta-section .label::before {
  background: rgba(255, 255, 255, 0.5);
}

.cta-section h2 {
  margin-bottom: 16px;
  color: #FFFFFF;
}

.cta-section h2 .text-gradient {
  color: #FFFFFF;
}

.cta-section h2 .text-gradient::after {
  background: rgba(255, 255, 255, 0.2);
}

.cta-section p {
  max-width: 560px;
  margin: 0 auto 32px;
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.7);
}

.cta-section .btn--primary {
  background: #FFFFFF;
  color: var(--color-text-heading);
}

.cta-section .btn--primary:hover {
  background: #F1F3F5;
  transform: translateY(-2px);
}

.cta-section .btn--secondary {
  border-color: rgba(255, 255, 255, 0.3);
  color: #FFFFFF;
}

.cta-section .btn--secondary:hover {
  border-color: #FFFFFF;
  background: rgba(255, 255, 255, 0.08);
}

/* --- CTA Slideshow Background --- */
.cta-section--slideshow {
  background: #111;
}

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

.cta-slideshow__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.cta-slideshow__img.active {
  opacity: 1;
}

.cta-slideshow__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: rgba(0, 0, 0, 0.7);
}

.cta-section__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}


/* --- Footer --- */
.footer {
  padding: 64px 0 32px;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 48px;
}

.footer__brand {
  max-width: 320px;
}

.footer__brand p {
  font-size: 0.875rem;
  margin-top: 16px;
  color: var(--color-text-muted);
}

.footer__social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer__social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.footer__social a:hover {
  background: var(--color-text-heading);
  border-color: var(--color-text-heading);
}

.footer__social a:hover svg {
  fill: #FFFFFF;
}

.footer__social svg {
  width: 18px;
  height: 18px;
  fill: var(--color-text-secondary);
  transition: fill var(--transition-fast);
}

.footer__heading {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-heading);
  margin-bottom: 20px;
}

.footer__links li {
  margin-bottom: 12px;
}

.footer__links a {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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

/* Footer — Keep In Touch (icon circles) */
.footer__contact-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.footer__contact-icon {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.footer__contact-item:hover .footer__contact-icon {
  background: var(--color-text-heading);
  border-color: var(--color-text-heading);
}

.footer__contact-item:hover .footer__contact-icon svg {
  stroke: #fff;
  fill: none;
}

.footer__contact-icon svg {
  width: 18px;
  height: 18px;
  stroke: var(--color-text-heading);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.footer__contact-item strong {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 3px;
}

.footer__contact-item p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.footer__contact-item a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.footer__contact-item a:hover {
  color: var(--color-text-heading);
}

.footer__bottom {
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.footer__bottom-links {
  display: flex;
  gap: 24px;
}

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

@media (max-width: 900px) {
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .footer__inner { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; gap: 16px; text-align: center; }
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* --- Misc --- */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: 0;
  border: none;
}

.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }


/* --- Scrollbar --- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg-alt); }
::-webkit-scrollbar-thumb {
  background: var(--color-border-hover);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

/* --- Selection --- */
::selection {
  background: var(--color-text-heading);
  color: #fff;
}

/* --- Metric Cards --- */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin: 48px 0;
}

.metric-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.metric-card__value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text-heading);
  line-height: 1;
}

.metric-card__label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 8px;
}

@media (max-width: 768px) {
  .metrics-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .metrics-row { grid-template-columns: 1fr; }
}

/* --- Smooth section dividers --- */
.section + .section--alt,
.section--alt + .section {
  border-top: 1px solid var(--color-border);
}