/* ============================================================
   미쥬라(MIJURA) AI 웹 솔루션 - Main Stylesheet
   Design: Minimal White + Deep Blue (#0D2B6B primary)
   ============================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --blue-900: #0a1f52;
  --blue-800: #0D2B6B;
  --blue-700: #1040a0;
  --blue-600: #1a56cc;
  --blue-400: #4d87e8;
  --blue-100: #dbe8fb;
  --blue-50:  #f0f5ff;

  --gray-900: #111827;
  --gray-700: #374151;
  --gray-500: #6B7280;
  --gray-300: #D1D5DB;
  --gray-100: #F3F4F6;
  --gray-50:  #F9FAFB;

  --white: #ffffff;
  --bg-light: #F7F9FC;

  --font-ko: 'Noto Sans KR', sans-serif;
  --font-en: 'Inter', sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --shadow-sm:   0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:   0 4px 16px rgba(0,0,0,.09);
  --shadow-lg:   0 10px 40px rgba(13,43,107,.12);
  --shadow-blue: 0 8px 32px rgba(13,43,107,.25);

  --transition: .3s cubic-bezier(.4,0,.2,1);
  --navbar-h: 72px;
}

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

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

body {
  font-family: var(--font-ko);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* ---------- Utility ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding { padding: 100px 0; }
.bg-light { background: var(--bg-light); }

.section-header { text-align: center; margin-bottom: 60px; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--blue-50);
  color: var(--blue-700);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--gray-900);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.8;
}

.text-gradient {
  background: linear-gradient(135deg, var(--blue-800) 0%, var(--blue-500, #2563eb) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: .95rem;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background: var(--blue-800);
  color: var(--white);
  box-shadow: var(--shadow-blue);
}
.btn--primary:hover {
  background: var(--blue-700);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(13,43,107,.35);
}

.btn--ghost {
  background: rgba(255,255,255,.15);
  color: var(--white);
  border: 2px solid rgba(255,255,255,.5);
  backdrop-filter: blur(4px);
}
.btn--ghost:hover {
  background: rgba(255,255,255,.25);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  color: var(--blue-800);
  border: 2px solid var(--blue-800);
}
.btn--outline:hover {
  background: var(--blue-800);
  color: var(--white);
}

.btn--lg { padding: 16px 36px; font-size: 1.05rem; border-radius: var(--radius-lg); }
.btn--sm { padding: 8px 18px; font-size: .85rem; }
.btn--full { width: 100%; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--navbar-h);
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(255,255,255,.97);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--blue-800);
  color: var(--white);
  font-weight: 900;
  font-size: 1.15rem;
  border-radius: 10px;
  font-family: var(--font-en);
  transition: var(--transition);
  flex-shrink: 0;
}

.logo-text {
  font-size: .98rem;
  font-weight: 700;
  color: var(--white);
  font-family: var(--font-ko);
  transition: color var(--transition);
  line-height: 1.25;
}

.logo-text em {
  font-style: normal;
  font-size: .72rem;
  font-weight: 400;
  color: rgba(255,255,255,.75);
  display: block;
  letter-spacing: .02em;
  font-family: var(--font-ko);
}

.navbar.scrolled .logo-text { color: var(--gray-900); }
.navbar.scrolled .logo-text em { color: var(--gray-500); }

.navbar__menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 500;
  color: rgba(255,255,255,.9);
  transition: var(--transition);
}

.nav-link:hover { color: var(--white); background: rgba(255,255,255,.15); }

.navbar.scrolled .nav-link { color: var(--gray-700); }
.navbar.scrolled .nav-link:hover { color: var(--blue-800); background: var(--blue-50); }

.nav-link--cta {
  background: var(--white);
  color: var(--blue-800) !important;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}
.nav-link--cta:hover {
  background: var(--blue-800) !important;
  color: var(--white) !important;
  transform: translateY(-1px);
  box-shadow: var(--shadow-blue);
}
.navbar.scrolled .nav-link--cta {
  background: var(--blue-800);
  color: var(--white) !important;
}
.navbar.scrolled .nav-link--cta:hover {
  background: var(--blue-700) !important;
}

.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.navbar.scrolled .navbar__hamburger span { background: var(--gray-900); }

.navbar__hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__hamburger.active span:nth-child(2) { opacity: 0; }
.navbar__hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-800) 50%, #1a3a8f 100%);
  overflow: hidden;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero__particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  border-radius: 50%;
  animation: float-particle linear infinite;
  opacity: 0;
}

@keyframes float-particle {
  0%   { transform: translateY(100vh) scale(0); opacity: 0; }
  10%  { opacity: .6; }
  90%  { opacity: .3; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

.hero__inner {
  position: relative;
  z-index: 2;
  padding-top: var(--navbar-h);
  text-align: center;
  padding-bottom: 80px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.12);
  color: rgba(255,255,255,.9);
  border: 1px solid rgba(255,255,255,.2);
  padding: 8px 20px;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .06em;
  backdrop-filter: blur(4px);
  margin-bottom: 28px;
}

.hero__title {
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  letter-spacing: -.02em;
  margin-bottom: 24px;
}

.hero__title .text-gradient {
  background: linear-gradient(90deg, #7eb3ff 0%, #b3d0ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.8);
  line-height: 1.9;
  margin-bottom: 40px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.hero__subtitle strong { color: var(--white); }

.hero__cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-xl);
  padding: 24px 48px;
  backdrop-filter: blur(8px);
  max-width: 560px;
  margin: 0 auto;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.stat-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--white);
  font-family: var(--font-en);
  line-height: 1;
}

.stat-plus { font-size: 1.2rem; }
.stat-unit { font-size: 1rem; }

.stat-label {
  font-size: .75rem;
  color: rgba(255,255,255,.65);
  font-weight: 400;
  letter-spacing: .03em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,.2);
  margin: 0 24px;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.5);
  font-size: .78rem;
  animation: bounce-hint 2s ease-in-out infinite;
}

@keyframes bounce-hint {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about__content .section-tag { margin-bottom: 16px; }

.about__desc {
  color: var(--gray-700);
  font-size: 1rem;
  line-height: 1.9;
  margin-bottom: 16px;
}

.about__features {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about__features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .95rem;
  font-weight: 500;
  color: var(--gray-700);
}

.about__features li .fa-check-circle { color: var(--blue-700); font-size: 1rem; }

.about__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  transition: transform var(--transition), box-shadow var(--transition);
}
.about-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.about-card--blue {
  background: var(--blue-800);
  color: var(--white);
}
.about-card--white {
  background: var(--white);
  color: var(--gray-900);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
}

.about-card__icon {
  font-size: 1.6rem;
  margin-bottom: 12px;
  display: block;
}
.about-card--blue .about-card__icon { color: #7eb3ff; }
.about-card--white .about-card__icon { color: var(--blue-700); }

.about-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.about-card--white h3 { color: var(--gray-900); }

.about-card p {
  font-size: .85rem;
  line-height: 1.6;
}
.about-card--blue p { color: rgba(255,255,255,.75); }
.about-card--white p { color: var(--gray-500); }

/* ============================================================
   TARGET SECTION
   ============================================================ */
.target__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.target-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.target-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.target-card--highlight {
  background: var(--blue-800);
  border-color: var(--blue-800);
  color: var(--white);
}

.target-card__icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--blue-50);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.6rem;
  color: var(--blue-800);
  transition: var(--transition);
}
.target-card--highlight .target-card__icon-wrap {
  background: rgba(255,255,255,.15);
  color: var(--white);
}
.target-card:hover .target-card__icon-wrap {
  background: var(--blue-800);
  color: var(--white);
}
.target-card--highlight:hover .target-card__icon-wrap {
  background: rgba(255,255,255,.25);
}

.target-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.target-card--highlight h3 { color: var(--white); }

.target-card p {
  font-size: .9rem;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 16px;
}
.target-card--highlight p { color: rgba(255,255,255,.8); }

.target-card__tag {
  font-size: .75rem;
  color: var(--blue-600);
  font-weight: 600;
  letter-spacing: .03em;
}
.target-card--highlight .target-card__tag { color: rgba(255,255,255,.6); }

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services__main {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
  align-items: stretch;
}

.service-main-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.service-main-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.service-main-card--featured {
  background: var(--blue-800);
  border-color: var(--blue-800);
  color: var(--white);
  box-shadow: var(--shadow-blue);
  transform: scale(1.02);
}
.service-main-card--featured:hover { transform: scale(1.02) translateY(-4px); }

.service-featured-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: #fbbf24;
  color: #78350f;
  font-size: .72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
}

.service-main-card__num {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--blue-400);
  margin-bottom: 16px;
  font-family: var(--font-en);
}
.service-main-card--featured .service-main-card__num { color: rgba(255,255,255,.5); }

.service-main-card__icon {
  font-size: 2rem;
  color: var(--blue-700);
  margin-bottom: 16px;
  transition: var(--transition);
}
.service-main-card--featured .service-main-card__icon { color: #7eb3ff; }
.service-main-card:not(.service-main-card--featured):hover .service-main-card__icon { color: var(--blue-800); }

.service-main-card__body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--gray-900);
}
.service-main-card--featured .service-main-card__body h3 { color: var(--white); }

.service-main-card__body p {
  font-size: .9rem;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 20px;
}
.service-main-card--featured .service-main-card__body p { color: rgba(255,255,255,.75); }
.service-main-card--featured .service-main-card__body p strong { color: var(--white); }

.service-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.service-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .87rem;
  color: var(--gray-700);
}
.service-main-card--featured .service-list li { color: rgba(255,255,255,.85); }
.service-list li .fa-check { color: var(--blue-600); font-size: .8rem; }
.service-main-card--featured .service-list li .fa-check { color: #7eb3ff; }

.service-guarantee {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  padding: 12px 16px;
  background: rgba(255,255,255,.15);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: .9rem;
  color: var(--white);
  border: 1px solid rgba(255,255,255,.2);
}
.service-guarantee .fa-shield-alt { color: #7eb3ff; font-size: 1.1rem; }

.services__sub { text-align: center; }
.services__sub-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-700);
  margin-bottom: 24px;
}

.services__sub-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.sub-service-card {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  border: 1px solid var(--gray-200, #e5e7eb);
  border-radius: 999px;
  padding: 10px 22px;
  font-size: .88rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.sub-service-card:hover {
  background: var(--blue-800);
  color: var(--white);
  border-color: var(--blue-800);
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue);
}
.sub-service-card i { color: var(--blue-700); font-size: .95rem; }
.sub-service-card:hover i { color: rgba(255,255,255,.8); }

/* ============================================================
   PORTFOLIO SECTION
   ============================================================ */
.portfolio__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 8px 22px;
  border-radius: 999px;
  font-size: .87rem;
  font-weight: 600;
  color: var(--gray-700);
  background: var(--white);
  border: 1.5px solid var(--gray-300);
  transition: var(--transition);
}
.filter-btn:hover { border-color: var(--blue-700); color: var(--blue-700); }
.filter-btn--active {
  background: var(--blue-800);
  color: var(--white);
  border-color: var(--blue-800);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.portfolio-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.portfolio-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.portfolio-card.hidden { display: none; }

.portfolio-card__img {
  aspect-ratio: 16/10;
  position: relative;
  overflow: hidden;
}

.portfolio-card__img--placeholder {
  background: linear-gradient(135deg, var(--blue-50) 0%, var(--blue-100) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.placeholder-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--blue-700);
  text-align: center;
}
.placeholder-content i { font-size: 2.5rem; opacity: .5; }
.placeholder-content span { font-weight: 600; font-size: .9rem; }
.placeholder-content small { font-size: .75rem; color: var(--gray-500); }

.portfolio-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(13,43,107,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}
.portfolio-card:hover .portfolio-card__overlay { opacity: 1; }

.portfolio-card__label {
  background: var(--white);
  color: var(--blue-800);
  font-weight: 700;
  font-size: .85rem;
  padding: 8px 20px;
  border-radius: 999px;
}

.portfolio-card__info {
  padding: 20px;
}

.portfolio-card__tag {
  display: inline-block;
  background: var(--blue-50);
  color: var(--blue-700);
  font-size: .72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
}

.portfolio-card__info h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--gray-900);
}

.portfolio-card__info p {
  font-size: .82rem;
  color: var(--gray-500);
  line-height: 1.6;
}

.portfolio__cta {
  text-align: center;
  background: var(--blue-50);
  border-radius: var(--radius-xl);
  padding: 40px;
  border: 1px solid var(--blue-100);
}
.portfolio__cta p {
  color: var(--gray-700);
  margin-bottom: 20px;
  font-size: .95rem;
}

/* ============================================================
   PROCESS SECTION
   ============================================================ */
.process__steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.process-step {
  flex: 1;
  min-width: 160px;
  max-width: 200px;
  text-align: center;
  padding: 28px 16px;
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
}
.process-step:hover { border-color: var(--blue-400); box-shadow: var(--shadow-lg); }

.process-step__num {
  font-size: .7rem;
  font-weight: 800;
  color: var(--blue-400);
  letter-spacing: .1em;
  font-family: var(--font-en);
  margin-bottom: 12px;
}

.process-step__icon {
  width: 56px;
  height: 56px;
  background: var(--blue-50);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.3rem;
  color: var(--blue-800);
  transition: var(--transition);
}
.process-step:hover .process-step__icon {
  background: var(--blue-800);
  color: var(--white);
}

.process-step h4 {
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--gray-900);
}
.process-step p {
  font-size: .8rem;
  color: var(--gray-500);
  line-height: 1.6;
}

.process-step__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-400);
  font-size: 1rem;
  padding: 0 4px;
  margin-top: 50px;
}

/* ============================================================
   FAQ SECTION
   ============================================================ */
.faq__list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--white);
  border: 1.5px solid var(--gray-100);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition);
}
.faq-item.open { border-color: var(--blue-400); }

.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  gap: 16px;
  background: none;
  text-align: left;
  cursor: pointer;
  font-size: .97rem;
  font-weight: 600;
  color: var(--gray-900);
  transition: background var(--transition);
}
.faq-item__question:hover { background: var(--gray-50); }
.faq-item.open .faq-item__question { background: var(--blue-50); color: var(--blue-800); }

.faq-icon { margin-right: 8px; color: var(--blue-600); width: 18px; }

.faq-item__toggle {
  color: var(--gray-500);
  font-size: .85rem;
  flex-shrink: 0;
  transition: transform var(--transition), color var(--transition);
}
.faq-item.open .faq-item__toggle {
  transform: rotate(45deg);
  color: var(--blue-700);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s cubic-bezier(.4,0,.2,1), padding .3s ease;
  padding: 0 24px;
}
.faq-item.open .faq-item__answer {
  max-height: 600px;
  padding: 4px 24px 24px;
}

.faq-item__answer p {
  color: var(--gray-700);
  font-size: .92rem;
  line-height: 1.85;
  margin-bottom: 10px;
}
.faq-item__answer p strong { color: var(--blue-800); }

.faq-cta-link {
  display: inline-block;
  margin-top: 8px;
  color: var(--blue-700);
  font-weight: 600;
  font-size: .88rem;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}
.faq-cta-link:hover { color: var(--blue-800); }

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: start;
}

/* Form */
.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-group label {
  font-size: .88rem;
  font-weight: 600;
  color: var(--gray-700);
}

.required { color: #ef4444; margin-left: 2px; }

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: .93rem;
  color: var(--gray-900);
  background: var(--gray-50);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%236B7280'%3E%3Cpath fill-rule='evenodd' d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 18px;
  padding-right: 40px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue-700);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(13,43,107,.1);
}

.form-group textarea { resize: vertical; min-height: 130px; }

.form-check {
  flex-direction: row;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.form-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  padding: 0;
  accent-color: var(--blue-800);
  cursor: pointer;
}
.form-check label {
  font-size: .87rem;
  cursor: pointer;
  flex: 1;
}

.form-error {
  font-size: .78rem;
  color: #ef4444;
  display: none;
}
.form-error.visible { display: block; }

.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  padding: 24px;
  background: #f0fdf4;
  border: 1.5px solid #86efac;
  border-radius: var(--radius-md);
  margin-top: 16px;
}
.form-success.visible { display: flex; }
.form-success .fa-check-circle { color: #16a34a; font-size: 2rem; }
.form-success strong { color: #15803d; font-size: 1.05rem; }
.form-success p { color: var(--gray-700); font-size: .9rem; }

/* Contact Info */
.contact-info {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}

.contact-info__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--blue-50);
}

.contact-info__list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info__list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-info__list li > .fas {
  width: 36px;
  height: 36px;
  background: var(--blue-50);
  color: var(--blue-800);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.info-label {
  display: block;
  font-size: .75rem;
  color: var(--gray-500);
  font-weight: 600;
  letter-spacing: .04em;
  margin-bottom: 2px;
  text-transform: uppercase;
}

.info-value {
  font-size: .93rem;
  color: var(--gray-900);
  font-weight: 500;
}

a.info-value:hover { color: var(--blue-700); }

/* Map */
.contact-map {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.map-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  font-weight: 700;
  font-size: .93rem;
  color: var(--gray-900);
  border-bottom: 1px solid var(--gray-100);
}
.map-header i { color: var(--blue-700); }

.map-embed {
  height: 240px;
  background: var(--blue-50);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.map-embed iframe {
  width: 100%;
  height: 100%;
  border: none;
  pointer-events: all;
}

.map-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--blue-600);
  text-align: center;
  padding: 20px;
}
.map-placeholder i { font-size: 2.5rem; opacity: .5; }
.map-placeholder p { font-size: .85rem; color: var(--gray-500); }

.map-address {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  font-size: .87rem;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
}
.map-address i { color: var(--blue-700); }

.map-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: calc(100% - 40px);
  margin: 16px 20px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding: 64px 24px 48px;
}

.footer__brand .navbar__logo { margin-bottom: 16px; }
.footer__brand .logo-text { color: var(--white); }
.footer__brand .logo-text em { color: rgba(255,255,255,.5); }
.footer__brand .logo-mark { background: var(--blue-700); }

.footer__brand p {
  font-size: .88rem;
  color: rgba(255,255,255,.5);
  line-height: 1.8;
  margin-bottom: 20px;
}

.footer__social {
  display: flex;
  gap: 12px;
}

.footer__social a {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.6);
  font-size: .95rem;
  transition: var(--transition);
}
.footer__social a:hover { background: var(--blue-700); color: var(--white); }

.footer__links h4,
.footer__contact h4 {
  font-size: .88rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.footer__links ul { display: flex; flex-direction: column; gap: 10px; }
.footer__links a {
  font-size: .87rem;
  color: rgba(255,255,255,.5);
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--white); }

.footer__contact p {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .85rem;
  color: rgba(255,255,255,.5);
  margin-bottom: 10px;
}
.footer__contact p i { color: var(--blue-400); width: 14px; margin-top: 3px; }

.footer__cta { margin-top: 20px; }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
}
.footer__bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer__bottom p {
  font-size: .78rem;
  color: rgba(255,255,255,.35);
}
.footer__disclaimer {
  font-size: .72rem !important;
  color: rgba(255,255,255,.25) !important;
  margin-top: 6px;
  line-height: 1.6;
}

/* ============================================================
   SCROLL TO TOP
   ============================================================ */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--blue-800);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-blue);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition: var(--transition);
  z-index: 999;
  font-size: .9rem;
}
.scroll-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.scroll-top:hover { background: var(--blue-700); transform: translateY(-3px); }

/* ============================================================
   RESPONSIVE — Tablet
   ============================================================ */
@media (max-width: 1024px) {
  .about__grid { grid-template-columns: 1fr; gap: 48px; }
  .services__main { grid-template-columns: 1fr; }
  .service-main-card--featured { transform: none; }
  .service-main-card--featured:hover { transform: translateY(-4px); }
  .contact__grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 36px; }
  .process__steps { gap: 4px; }
}

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

/* ============================================================
   RESPONSIVE — Mobile
   ============================================================ */
@media (max-width: 768px) {
  :root { --navbar-h: 64px; }
  .section-padding { padding: 72px 0; }

  /* Navbar mobile */
  .navbar__menu {
    position: fixed;
    top: var(--navbar-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: rgba(255,255,255,.98);
    padding: 16px;
    gap: 4px;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(16px);
    transform: translateY(-110%);
    opacity: 0;
    transition: transform .35s cubic-bezier(.4,0,.2,1), opacity .3s ease;
    pointer-events: none;
  }
  .navbar__menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav-link { color: var(--gray-700) !important; padding: 12px 16px; }
  .nav-link:hover { color: var(--blue-800) !important; background: var(--blue-50); }
  .nav-link--cta {
    background: var(--blue-800) !important;
    color: var(--white) !important;
    text-align: center;
    margin-top: 8px;
  }
  .navbar__hamburger { display: flex; }

  /* Hero */
  .hero__stats { padding: 20px 24px; max-width: 100%; }
  .stat-num { font-size: 1.6rem; }
  .stat-divider { margin: 0 16px; }
  .hero__cta { flex-direction: column; align-items: center; }
  .btn--lg { padding: 14px 28px; font-size: 1rem; }

  /* About cards */
  .about__cards { grid-template-columns: 1fr 1fr; }

  /* Target */
  .target__grid { grid-template-columns: 1fr; }

  /* Services */
  .services__sub-grid { gap: 8px; }

  /* Portfolio */
  .portfolio__grid { grid-template-columns: 1fr 1fr; }

  /* Process */
  .process__steps { flex-direction: column; align-items: center; }
  .process-step { max-width: 100%; width: 100%; }
  .process-step__arrow { transform: rotate(90deg); margin: 0; }

  /* Form */
  .contact-form { padding: 28px 20px; }
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom .container { flex-direction: column; text-align: center; }

  /* Scroll top */
  .scroll-top { bottom: 20px; right: 20px; width: 42px; height: 42px; }
}

@media (max-width: 500px) {
  .about__cards { grid-template-columns: 1fr; }
  .portfolio__grid { grid-template-columns: 1fr; }
  .hero__stats {
    flex-direction: column;
    gap: 20px;
  }
  .stat-divider { width: 60px; height: 1px; margin: 0; }
  .br-mobile { display: none; }
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

[data-aos] { transition-property: opacity, transform; }