/* ===========================================================
   KEYPLUS - Main Stylesheet
   Design: Precision Engineering — Swiss Design + Tech Minimalism
   =========================================================== */

/* Design tokens
   =========================================================== */
:root {
  --nav-height: 88px;
  --color-brand: #1565C0;
}

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

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

body {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: -0.01em;
  color: #1A1A2E;
  background: #fafafa;
  overflow-x: hidden;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

section[id] {
  scroll-margin-top: var(--nav-height);
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
}

ul {
  list-style: none;
}

.font-display {
  font-family: 'Space Grotesk', sans-serif;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #0d1117;
}
::-webkit-scrollbar-thumb {
  background: #37474f;
  border-radius: 3px;
}

/* Container
   =========================================================== */
.container {
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  width: 100%;
}

@media (min-width: 1024px) {
  .container {
    padding-left: 3rem;
    padding-right: 3rem;
  }
}

/* Animation Utilities (replacing framer-motion)
   =========================================================== */
.reveal {
  opacity: 0;
  transition: opacity 0.7s cubic-bezier(0.23, 1, 0.32, 1),
              transform 0.7s cubic-bezier(0.23, 1, 0.32, 1);
}
.reveal.fade-up { transform: translateY(40px); }
.reveal.fade-left { transform: translateX(-50px); }
.reveal.fade-right { transform: translateX(50px); }
.reveal.scale-in { transform: scale(0.9); }

.reveal.visible {
  opacity: 1;
  transform: translate(0,0) scale(1);
}

/* Stagger delay helpers */
.stagger > *.reveal { transition-delay: 0s; }
.stagger > *.reveal:nth-child(1) { transition-delay: 0.10s; }
.stagger > *.reveal:nth-child(2) { transition-delay: 0.22s; }
.stagger > *.reveal:nth-child(3) { transition-delay: 0.34s; }
.stagger > *.reveal:nth-child(4) { transition-delay: 0.46s; }
.stagger > *.reveal:nth-child(5) { transition-delay: 0.58s; }
.stagger > *.reveal:nth-child(6) { transition-delay: 0.70s; }
.stagger > *.reveal:nth-child(7) { transition-delay: 0.82s; }
.stagger > *.reveal:nth-child(8) { transition-delay: 0.94s; }

.stagger-fast > *.reveal:nth-child(1) { transition-delay: 0.00s; }
.stagger-fast > *.reveal:nth-child(2) { transition-delay: 0.06s; }
.stagger-fast > *.reveal:nth-child(3) { transition-delay: 0.12s; }
.stagger-fast > *.reveal:nth-child(4) { transition-delay: 0.18s; }
.stagger-fast > *.reveal:nth-child(5) { transition-delay: 0.24s; }
.stagger-fast > *.reveal:nth-child(6) { transition-delay: 0.30s; }
.stagger-fast > *.reveal:nth-child(7) { transition-delay: 0.36s; }
.stagger-fast > *.reveal:nth-child(8) { transition-delay: 0.42s; }

/* Navigation
   =========================================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: background-color 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
  background: transparent;
}

.nav.scrolled {
  background: rgba(13, 17, 23, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 10px 25px -5px rgba(0,0,0,0.25);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.nav__logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.625rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  color: #fff;
  transition: color 0.25s ease, transform 0.25s ease;
}
.nav__logo:hover {
  color: #fff;
  transform: scale(1.03);
}

.nav__menu {
  display: none;
  align-items: center;
  gap: 2.25rem;
}

@media (min-width: 1024px) {
  .nav__menu { display: flex; }
}

.nav__link {
  position: relative;
  display: inline-block;
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: rgba(255,255,255,0.88);
  transition: color 0.25s ease, transform 0.25s ease;
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0.1em;
  width: 100%;
  height: 2px;
  background: var(--color-brand);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s cubic-bezier(0.23, 1, 0.32, 1);
}
.nav__link:hover {
  color: #fff;
  transform: translateY(-3px);
}
.nav__link:hover::after {
  transform: scaleX(1);
}

.nav__cta {
  font-family: 'Noto Sans KR', sans-serif;
  padding: 0.625rem 1.375rem;
  border: 1px solid #1565C0;
  color: #1565C0;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  transition: background-color 0.25s ease, color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.nav__cta:hover {
  background: #1565C0;
  color: #fff;
  border-color: #1565C0;
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(21, 101, 192, 0.45);
}

.nav__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  padding: 6px;
}
@media (min-width: 1024px) {
  .nav__toggle { display: none; }
}

.nav__mobile {
  display: none;
  background: rgba(13,17,23,0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255,255,255,0.1);
}
.nav__mobile.open { display: block; animation: slideDown 0.25s ease both; }
.nav__mobile-inner {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.nav__mobile a:not(.nav__mobile-cta) {
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: rgba(255,255,255,0.88);
  padding: 0.5rem 0 0.5rem 0.75rem;
  border-left: 4px solid transparent;
  transition: color 0.25s ease, border-color 0.25s ease, padding-left 0.25s ease, transform 0.25s ease;
}
.nav__mobile a:not(.nav__mobile-cta):hover {
  color: #fff;
  border-left-color: var(--color-brand);
  padding-left: 1.25rem;
  transform: translateX(4px);
}

.nav__mobile-cta {
  margin-top: 0.5rem;
  padding: 0.75rem 1rem;
  text-align: center;
  font-size: 1.125rem;
  border: 1px solid var(--color-brand);
  color: var(--color-brand) !important;
  font-weight: 600;
  transition: background-color 0.25s ease, color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.nav__mobile-cta:hover {
  background: var(--color-brand);
  color: #fff !important;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(21, 101, 192, 0.4);
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Hero
   =========================================================== */
.hero {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  will-change: transform;
}

.hero__bg img,
.hero__bg video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay-1 {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right,
    rgba(13,17,23,0.94) 0%,
    rgba(13,17,23,0.78) 50%,
    rgba(13,17,23,0.45) 100%);
}
.hero__overlay-2 {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
    rgba(13,17,23,0.90) 0%,
    transparent 50%,
    rgba(13,17,23,0.40) 100%);
}

.hero__content {
  position: relative;
  z-index: 10;
  height: 100%;
  display: flex;
  align-items: center;
}

.hero__text {
  max-width: 42rem;
  will-change: transform, opacity;
}

.hero__line {
  width: 48px;
  height: 4px;
  background: #1565C0;
  margin-bottom: 2rem;
  transform-origin: left center;
  animation: lineGrow 0.8s cubic-bezier(0.23,1,0.32,1) 0.6s both;
}
@keyframes lineGrow {
  from { width: 0; }
  to   { width: 48px; }
}

.hero__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.25rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}
.hero__title-line {
  display: block;
  opacity: 0;
  transform: translateY(20px);
  animation: heroLine 0.6s ease both;
}
.hero__title-line:nth-child(1) { animation-delay: 0.5s; }
.hero__title-line:nth-child(2) { animation-delay: 0.75s; }
.hero__title .accent { color: #1565C0; }
@keyframes heroLine {
  to { opacity: 1; transform: translateY(0); }
}

@media (min-width: 768px) { .hero__title { font-size: 3rem; } }
@media (min-width: 1024px){ .hero__title { font-size: 3.75rem; } }

.hero__desc {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
  margin-bottom: 2.5rem;
  max-width: 32rem;
  opacity: 0;
  transform: translateY(20px);
  animation: heroLine 0.6s ease 1.1s both;
}
@media (min-width: 768px) { .hero__desc { font-size: 1.25rem; } }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  opacity: 0;
  transform: translateY(20px);
  animation: heroLine 0.6s ease 1.3s both;
}

.btn-primary {
  padding: 1rem 2rem;
  background: #1565C0;
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.025em;
  transition: background-color 0.2s, transform 0.1s;
  display: inline-block;
}
.btn-primary:hover { background: #0D47A1; }
.btn-primary:active { transform: scale(0.97); }

.btn-outline {
  padding: 1rem 2rem;
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.025em;
  transition: background-color 0.2s, border-color 0.2s, transform 0.1s;
  display: inline-block;
}
.btn-outline:hover { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.6); }
.btn-outline:active { transform: scale(0.97); }

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fadeIn 0.6s ease 2s both;
}
.hero__scroll span {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.3em;
}
.hero__scroll .chev {
  color: rgba(255,255,255,0.5);
  animation: bounce 1.5s ease-in-out infinite;
}
@keyframes fadeIn { to { opacity: 1; } }
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* Section common
   =========================================================== */
section {
  position: relative;
}

.section-pad {
  padding-top: 6rem;
  padding-bottom: 6rem;
}
@media (min-width: 1024px) {
  .section-pad {
    padding-top: 8rem;
    padding-bottom: 8rem;
  }
}

.section-pad-md {
  padding-top: 5rem;
  padding-bottom: 5rem;
}
@media (min-width: 1024px) {
  .section-pad-md {
    padding-top: 7rem;
    padding-bottom: 7rem;
  }
}

.bg-white { background: #fff; }
.bg-light { background: #FAFAFA; }
.bg-dark  { background: #0d1117; }
.bg-navy  { background: #1A1A2E; }
.bg-brand { background: #1565C0; }

.eyebrow {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  color: #1565C0;
  letter-spacing: 0.3em;
  margin-bottom: 1rem;
}
.eyebrow.lg-tracking { letter-spacing: 0.2em; }

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.875rem;
  font-weight: 700;
  color: #1A1A2E;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}
.section-title.on-dark { color: #fff; }
@media (min-width: 768px) { .section-title { font-size: 2.25rem; } }

.section-lead {
  font-size: 1.125rem;
  color: #37474F;
  max-width: 42rem;
  margin: 0 auto;
  line-height: 1.6;
}
.section-lead.on-dark { color: rgba(255,255,255,0.6); }

.text-center { text-align: center; }
.mb-16 { margin-bottom: 4rem; }
.mb-12 { margin-bottom: 3rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Services grid
   =========================================================== */
.services-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}

.service-card {
  padding: 2rem;
  background: #FAFAFA;
  border: 1px solid #E8E8E8;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.service-card:hover {
  border-color: rgba(21,101,192,0.30);
  box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  transform: translateY(-8px);
}
.service-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(21,101,192,0.10);
  color: #1565C0;
  margin-bottom: 1.5rem;
  transition: background-color 0.3s, color 0.3s;
}
.service-card:hover .service-card__icon {
  background: #1565C0;
  color: #fff;
}
.service-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #1A1A2E;
  margin-bottom: 0.75rem;
}
.service-card__desc {
  color: #37474F;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}
.service-card__list { display: flex; flex-direction: column; gap: 0.5rem; }
.service-card__list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: #546E7A;
}
.service-card__list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: #1565C0;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

/* Detail Sections (Two-column)
   =========================================================== */
.detail-grid {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 1024px) {
  .detail-grid {
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
  }
}
.detail-text p {
  color: #37474F;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.detail-text p:last-of-type { margin-bottom: 2rem; }

.detail-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.875rem;
  font-weight: 700;
  color: #1A1A2E;
  line-height: 1.35;
  margin-bottom: 1.5rem;
}
.detail-title.on-dark { color: #fff; }
@media (min-width: 768px) { .detail-title { font-size: 2.25rem; } }

.detail-text-dark p { color: rgba(255,255,255,0.7); }

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #1565C0;
  font-weight: 600;
  transition: transform 0.2s;
}
.read-more:hover { transform: translateX(5px); }

.detail-image-wrap {
  position: relative;
}
.detail-image {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
}
.detail-image.about-ratio { aspect-ratio: 3 / 2; }
.detail-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.10);
  will-change: transform;
  transition: transform 0.1s linear;
}
.detail-decor {
  position: absolute;
  width: 96px;
  height: 96px;
  border: 2px solid #1565C0;
  opacity: 0.3;
}
.detail-decor.bottom-left { bottom: -1rem; left: -1rem; }
.detail-decor.top-right   { top: -1rem; right: -1rem; }

.order-2 { order: 2; }
@media (min-width: 1024px) {
  .lg-order-1 { order: 1; }
  .lg-order-2 { order: 2; }
}

/* Statistics
   =========================================================== */
.stats {
  position: relative;
  overflow: hidden;
}
.stats__pattern {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image:
    linear-gradient(rgba(255,255,255,0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 60px 60px;
}
.stats__inner { position: relative; z-index: 10; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
/* 마지막 항목이 홀수로 남으면 한 줄 전체를 차지해 가운데 정렬 */
.stats-grid > .stat:last-child:nth-child(odd) { grid-column: 1 / -1; }
@media (min-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
  }
  .stats-grid > .stat:last-child:nth-child(odd) { grid-column: auto; }
}
.stat {
  text-align: center;
}
.stat__num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}
@media (min-width: 768px) { .stat__num { font-size: 3rem; } }
.stat__label {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.05em;
}
.stat__bar {
  width: 32px;
  height: 2px;
  background: #1565C0;
  margin: 1rem auto 0;
}

/* Features
   =========================================================== */
.features-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .features-grid { grid-template-columns: repeat(3, 1fr); }
}
.feature-card {
  padding: 1.5rem;
  border: 1px solid #E8E8E8;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.25s;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.feature-card:hover {
  border-color: rgba(21,101,192,0.2);
  box-shadow: 0 20px 40px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}
.feature-card__num {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(21,101,192,0.10);
  color: #1565C0;
  font-weight: 700;
  font-size: 0.875rem;
  font-family: 'Space Grotesk', sans-serif;
  flex-shrink: 0;
  transition: background-color 0.3s, color 0.3s;
}
.feature-card:hover .feature-card__num {
  background: #1565C0;
  color: #fff;
}
.feature-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #1A1A2E;
  margin-bottom: 0.5rem;
  transition: color 0.3s;
}
.feature-card:hover .feature-card__title { color: #1565C0; }
.feature-card__desc {
  font-size: 0.875rem;
  color: #546E7A;
  line-height: 1.6;
}

/* About
   =========================================================== */
.about-certs {
  display: flex;
  gap: 1.5rem;
}
.cert {
  transition: transform 0.2s;
}
.cert:hover { transform: scale(1.05); }
.cert__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: #1565C0;
}
.cert__desc {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  margin-top: 0.25rem;
}
.cert-divider {
  width: 1px;
  background: rgba(255,255,255,0.2);
}

/* Partners
   =========================================================== */
.partners {
  border-top: 1px solid #E8E8E8;
}
.partners__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: #1A1A2E;
  margin-bottom: 0.5rem;
  text-align: center;
}
.partners-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
}
@media (min-width: 1024px) {
  .partners-grid { gap: 2.5rem; }
}
.partner {
  padding: 0.75rem 1.5rem;
  border: 1px solid #E0E0E0;
  font-size: 0.875rem;
  font-weight: 500;
  color: #546E7A;
  transition: transform 0.2s, border-color 0.2s;
}
.partner:hover {
  transform: scale(1.05);
  border-color: rgba(21,101,192,0.4);
  color: #1565C0;
}

/* CTA
   =========================================================== */
.cta {
  position: relative;
  overflow: hidden;
}
.cta__pattern {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  background-image: linear-gradient(45deg, rgba(0,0,0,0.1) 25%, transparent 25%, transparent 75%, rgba(0,0,0,0.1) 75%);
  background-size: 40px 40px;
}
.cta__inner {
  position: relative;
  z-index: 10;
  text-align: center;
}
.cta__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.875rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.5rem;
}
@media (min-width: 768px) { .cta__title { font-size: 2.25rem; } }
.cta__desc {
  color: rgba(255,255,255,0.8);
  font-size: 1.125rem;
  margin: 0 auto 2.5rem;
  max-width: 36rem;
}
.cta__btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: #fff;
  color: #1565C0;
  font-weight: 700;
  letter-spacing: 0.025em;
  transition: background-color 0.2s, transform 0.1s;
}
.cta__btn:hover { background: rgba(255,255,255,0.9); transform: scale(1.05); }
.cta__btn:active { transform: scale(0.97); }

/* Footer
   =========================================================== */
.footer {
  background: #0d1117;
  color: #fff;
}
.footer__inner {
  padding-top: 4rem;
  padding-bottom: 4rem;
}
@media (min-width: 1024px) {
  .footer__inner {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }
}
.footer-grid {
  display: grid;
  gap: 3rem;
  grid-template-columns: 1fr;
}
@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}
.footer__brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.875rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 1rem;
  color: #fff;
}
.footer__desc {
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  max-width: 28rem;
  margin-bottom: 1.5rem;
}
.footer__socials {
  display: flex;
  gap: 1rem;
}
.footer__social {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.8);
  transition: color 0.2s, border-color 0.2s;
}
.footer__social:hover { color: #1565C0; border-color: #1565C0; }
.footer__heading {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}
.footer__list { display: flex; flex-direction: column; gap: 0.75rem; }
.footer__list a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  transition: color 0.2s;
}
.footer__list a:hover { color: #fff; }
.footer__contact-list { display: flex; flex-direction: column; gap: 1rem; }
.footer__contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
}
.footer__contact-list .ico {
  color: #1565C0;
  margin-top: 2px;
  flex-shrink: 0;
}
.footer__bottom {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}
.footer__copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
}
.footer__legal {
  display: flex;
  gap: 1.5rem;
}
.footer__legal a {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
  transition: color 0.2s;
}
.footer__legal a:hover { color: rgba(255,255,255,0.6); }

/* Icons (inline SVG sizes)
   =========================================================== */
.icon { width: 24px; height: 24px; display: inline-block; vertical-align: middle; }
.icon-sm { width: 16px; height: 16px; }
.icon-lg { width: 32px; height: 32px; }