/* ===================================
   RPA Korea — style.css
   =================================== */

/* 1. Font */
@font-face { font-family: 'Freesentation'; src: url('../assets/fonts/Freesentation-4Regular.ttf'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Freesentation'; src: url('../assets/fonts/Freesentation-5Medium.ttf'); font-weight: 500; font-display: swap; }
@font-face { font-family: 'Freesentation'; src: url('../assets/fonts/Freesentation-6SemiBold.ttf'); font-weight: 600; font-display: swap; }
@font-face { font-family: 'Freesentation'; src: url('../assets/fonts/Freesentation-7Bold.ttf'); font-weight: 700; font-display: swap; }
@font-face { font-family: 'Freesentation'; src: url('../assets/fonts/Freesentation-8ExtraBold.ttf'); font-weight: 800; font-display: swap; }

/* 2. Variables */
:root {
  --navy:        #0A1224;
  --navy-light:  #1a2a4a;
  --brand-blue:  #879FC9;
  --accent:      #0066FF;
  --white:       #FFFFFF;
  --charcoal:    #232323;
  --soft-gray:   #F5F6FA;
  --mid-gray:    #8B95A7;
  --light-blue:  #C2CDE8;
  --border:      rgba(135,159,201,0.18);
  --shadow:      0 4px 24px rgba(10,18,36,0.10);
  --shadow-lg:   0 12px 48px rgba(10,18,36,0.18);

  --font-main: 'Freesentation', 'Noto Sans KR', sans-serif;
  --nav-h: 72px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 3. Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-main); color: var(--charcoal); background: var(--white); line-height: 1.6; overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* 4. Layout */
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
section { position: relative; }

/* 5. Section Headers */
.section-header { text-align: center; margin-bottom: 64px; }
.section-header--split { display: flex; align-items: flex-end; justify-content: space-between; text-align: left; margin-bottom: 48px; gap: 24px; }
.section-header__eyebrow { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.section-header__title { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; line-height: 1.25; color: var(--charcoal); }
.section-header__desc { margin-top: 18px; font-size: 1.05rem; color: var(--mid-gray); max-width: 560px; margin-left: auto; margin-right: auto; }

/* 6. Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 30px; border-radius: var(--radius-sm);
  font-size: 0.95rem; font-weight: 600; font-family: var(--font-main);
  transition: var(--transition); white-space: nowrap; cursor: pointer;
}
.btn--primary { background: var(--accent); color: var(--white); border: 2px solid var(--accent); }
.btn--primary:hover { background: #0052cc; border-color: #0052cc; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,102,255,0.28); }
.btn--outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.45); }
.btn--outline:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.8); }
.btn--secondary { background: transparent; color: var(--accent); border: 1.5px solid var(--accent); }
.btn--secondary:hover { background: var(--accent); color: var(--white); }
.btn--full { width: 100%; }

/* ===================================
   NAVIGATION
   =================================== */
.nav__logo { display: flex; align-items: center; gap: 10px; }
.nav__logo-text {
  font-size: 0.95rem; font-weight: 700; color: var(--white);
  white-space: nowrap; letter-spacing: -0.01em;
  transition: var(--transition);
}
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}
.nav.scrolled {
  background: rgba(10,18,36,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(135,159,201,0.15);
}
.nav__inner {
  display: flex; align-items: center; height: var(--nav-h);
  max-width: 1160px; margin: 0 auto; padding: 0 24px; gap: 32px;
}
.nav__logo { flex-shrink: 0; }
.nav__logo-img { height: 36px; width: auto; transition: var(--transition); }
.nav__menu {
  display: flex; align-items: center; gap: 8px; margin-left: auto;
}
.nav__menu li a {
  display: block; padding: 8px 14px; border-radius: 6px;
  font-size: 0.9rem; font-weight: 500; color: rgba(255,255,255,0.82);
  transition: var(--transition);
}
.nav__menu li a:hover { color: var(--white); background: rgba(255,255,255,0.08); }
.nav__cta {
  background: var(--accent) !important; color: var(--white) !important;
  border-radius: var(--radius-sm) !important; padding: 9px 20px !important;
}
.nav__cta:hover { background: #0052cc !important; box-shadow: 0 4px 16px rgba(0,102,255,0.3) !important; transform: translateY(-1px); }

.lang-toggle {
  display: flex; align-items: center; gap: 4px;
  padding: 7px 14px; border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.25);
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.08em;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}
.lang-toggle:hover { border-color: rgba(255,255,255,0.6); color: var(--white); background: rgba(255,255,255,0.08); }
.lang-toggle__divider { opacity: 0.4; }
.lang-toggle .active { color: var(--white); }

.nav__hamburger {
  display: none; flex-direction: column; gap: 5px; padding: 8px; margin-left: 8px;
}
.nav__hamburger span {
  display: block; width: 22px; height: 2px; background: var(--white);
  border-radius: 2px; transition: var(--transition);
}

/* ===================================
   HERO
   =================================== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  background: var(--navy); overflow: hidden; position: relative;
  padding-top: var(--nav-h);
}
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.55; }
.hero__grid-overlay {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(135,159,201,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(135,159,201,0.06) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}
.hero__content {
  position: relative; z-index: 2;
  max-width: 1160px; margin: 0 auto; padding: 100px 24px 80px;
  display: flex; flex-direction: column; align-items: flex-start; gap: 28px;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 8px 18px; border-radius: 40px;
  border: 1px solid rgba(135,159,201,0.35);
  background: rgba(135,159,201,0.1);
  backdrop-filter: blur(8px);
}
.hero__badge-logo { height: 22px; width: auto; }
.hero__badge span { font-size: 0.78rem; font-weight: 500; color: var(--light-blue); letter-spacing: 0.03em; }
.hero__title {
  font-size: clamp(2.4rem, 7vw, 5rem); font-weight: 800;
  line-height: 1.12; color: var(--white); max-width: 760px;
}
.hero__title-line { display: block; }
.hero__title-line--accent {
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--accent) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__subtitle { font-size: clamp(1rem, 2.5vw, 1.25rem); color: rgba(255,255,255,0.65); font-weight: 400; max-width: 520px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__scroll-indicator {
  position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.4); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase;
  animation: scrollBounce 2s ease-in-out infinite;
}
.hero__scroll-arrow {
  width: 20px; height: 20px; border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor; transform: rotate(45deg) translateY(-4px);
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.4; }
  50% { transform: translateX(-50%) translateY(8px); opacity: 0.8; }
}

/* ===================================
   STATS
   =================================== */
.stats {
  background: var(--charcoal); padding: 64px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.stat-item {
  text-align: center; padding: 32px 24px;
  border-right: 1px solid rgba(255,255,255,0.08);
  position: relative;
}
.stat-item:last-child { border-right: none; }
.stat-item__number {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 800;
  color: var(--white); line-height: 1; margin-bottom: 10px;
  font-variant-numeric: tabular-nums;
}
.stat-item__number--text { font-size: 2.2rem; }
.stat-item--award .stat-item__number {
  background: linear-gradient(135deg, var(--brand-blue), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-item__label { font-size: 0.85rem; color: var(--mid-gray); font-weight: 500; letter-spacing: 0.03em; }

/* ===================================
   SERVICES
   =================================== */
.services { padding: 100px 0; background: var(--soft-gray); }
.services__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* Category separators */
.services__category {
  grid-column: 1 / -1;
  display: flex; align-items: center; gap: 20px;
  padding: 36px 0 12px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}
.services__category:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.services__category--second { margin-top: 12px; }
.services__category-badge {
  display: inline-flex; align-items: center; white-space: nowrap; flex-shrink: 0;
  padding: 5px 14px; border-radius: 20px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  background: rgba(0,102,255,0.08); color: var(--accent);
  border: 1px solid rgba(0,102,255,0.15);
}
.services__category-badge--alt {
  background: rgba(135,159,201,0.1); color: var(--navy-light);
  border-color: rgba(135,159,201,0.25);
}
.services__category-info { flex: 1; }
.services__category-title { font-size: 1.05rem; font-weight: 700; color: var(--charcoal); margin-bottom: 3px; }
.services__category-desc { font-size: 0.85rem; color: var(--mid-gray); }

/* Split row (2-col) for manager/security cards */
.services__split-row {
  grid-column: 1 / -1;
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}

.service-card {
  background: var(--white); border-radius: var(--radius-md); padding: 36px 30px;
  border: 1px solid var(--border); transition: var(--transition);
  display: flex; flex-direction: column; gap: 16px;
}
.service-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow-lg);
  border-color: var(--brand-blue);
}
.service-card__icon {
  width: 52px; height: 52px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(135,159,201,0.12), rgba(0,102,255,0.08));
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); transition: var(--transition);
}
.service-card:hover .service-card__icon { background: var(--accent); color: var(--white); }
.service-card__icon svg { width: 24px; height: 24px; }
.service-card__title { font-size: 1.05rem; font-weight: 700; color: var(--charcoal); line-height: 1.35; }
.service-card__desc { font-size: 0.88rem; color: var(--mid-gray); line-height: 1.7; flex: 1; }
.service-card__tag-mini {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--mid-gray); margin-top: 5px;
}
.service-card--dark .service-card__tag-mini { color: rgba(255,255,255,0.4); }

/* ROI panel inside service card */
.service-card__roi {
  display: flex; flex-direction: column; gap: 4px;
  padding: 14px 18px; border-radius: var(--radius-sm);
  background: rgba(0,102,255,0.05); border: 1px solid rgba(0,102,255,0.1);
}
.service-card__roi span:first-child {
  font-size: 1.6rem; font-weight: 800; line-height: 1;
  background: linear-gradient(135deg, var(--navy), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.service-card__roi span:last-child { font-size: 0.77rem; color: var(--mid-gray); font-weight: 500; }
/* Dark variant (WebSecure) */
.service-card--dark {
  background: var(--navy); border-color: transparent;
}
.service-card--dark .service-card__title { color: var(--white); }
.service-card--dark .service-card__tag-mini { color: rgba(255,255,255,0.4); }
.service-card--dark .service-card__desc { color: rgba(255,255,255,0.55); }
.service-card--dark:hover { border-color: var(--brand-blue); transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-card__icon--on-dark {
  background: rgba(135,159,201,0.15) !important;
  color: var(--brand-blue) !important;
}
.service-card--dark:hover .service-card__icon--on-dark { background: var(--brand-blue) !important; color: var(--white) !important; }

/* ===================================
   CLIENTS
   =================================== */
.clients { padding: 100px 0; background: var(--white); }
.clients__marquee-wrapper {
  position: relative; overflow: hidden; margin: 0 0 64px;
  padding: 32px 0;
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}
.clients__marquee { display: flex; width: max-content; }
.clients__marquee-inner {
  display: flex; align-items: center; gap: 0;
  animation: marqueeScroll 32s linear infinite;
}
.client-logo-item {
  display: flex; align-items: center; justify-content: center;
  padding: 0 48px; height: 72px; flex-shrink: 0;
}
.client-logo-item img {
  height: 44px; width: auto; max-width: 160px;
  object-fit: contain;
  filter: grayscale(100%) opacity(0.45);
  transition: var(--transition);
}
.client-logo-item img:hover {
  filter: grayscale(0%) opacity(1);
  transform: scale(1.05);
}
@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.clients__marquee-wrapper:hover .clients__marquee-inner { animation-play-state: paused; }

.clients__roi { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.roi-card {
  text-align: center; padding: 36px 20px;
  background: var(--soft-gray); border-radius: var(--radius-md);
  border: 1px solid var(--border); transition: var(--transition);
}
.roi-card:hover { background: var(--navy); border-color: var(--navy); }
.roi-card:hover .roi-card__number { -webkit-text-fill-color: var(--white); }
.roi-card:hover .roi-card__label { color: var(--light-blue); }
.roi-card__number {
  font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 800; line-height: 1;
  margin-bottom: 10px;
  background: linear-gradient(135deg, var(--navy), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; transition: var(--transition);
}
.roi-card__label { font-size: 0.82rem; color: var(--mid-gray); font-weight: 500; line-height: 1.5; }

/* ===================================
   ABOUT
   =================================== */
.about { padding: 100px 0; background: var(--navy); overflow: hidden; }
.about__bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 60% 70% at 80% 50%, rgba(135,159,201,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 50% at 10% 80%, rgba(0,102,255,0.06) 0%, transparent 60%);
}
.about__inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
  position: relative; z-index: 1;
}
.about__content { display: flex; flex-direction: column; gap: 28px; }
.about__content .section-header__eyebrow { text-align: left; }
.about__title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 800;
  color: var(--white); line-height: 1.25;
}
.about__desc { font-size: 1rem; color: rgba(255,255,255,0.6); line-height: 1.8; }
.about__features { display: flex; flex-direction: column; gap: 24px; }
.about__feature { display: flex; gap: 18px; align-items: flex-start; }
.about__feature-icon {
  width: 44px; height: 44px; flex-shrink: 0; border-radius: 10px;
  background: rgba(135,159,201,0.12); border: 1px solid rgba(135,159,201,0.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--brand-blue);
}
.about__feature-icon svg { width: 20px; height: 20px; }
.about__feature h4 { font-size: 0.95rem; font-weight: 700; color: var(--white); margin-bottom: 4px; }
.about__feature p { font-size: 0.85rem; color: rgba(255,255,255,0.5); }
.about__nice-logo img { height: 44px; width: auto; opacity: 0.85; }

.about__visual { position: relative; }
.about__card-stack {
  display: flex; flex-direction: column; gap: 16px;
}
.about__metric-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(135,159,201,0.2); border-radius: var(--radius-md);
  padding: 28px 32px; backdrop-filter: blur(12px);
  transition: var(--transition);
}
.about__metric-card:hover { background: rgba(255,255,255,0.09); border-color: rgba(135,159,201,0.45); transform: translateX(6px); }
.about__metric-value {
  font-size: 2.8rem; font-weight: 800; color: var(--white); line-height: 1;
  margin-bottom: 8px;
}
.about__metric-value span { font-size: 1.2rem; color: var(--brand-blue); font-weight: 600; margin-left: 4px; }
.about__metric-label { font-size: 0.82rem; color: rgba(255,255,255,0.5); }

/* ===================================
   CEO — Redesigned
   =================================== */
.ceo { padding: 100px 0; background: var(--soft-gray); }
.ceo__inner {
  display: grid; grid-template-columns: 220px 1fr; gap: 72px; align-items: start;
}

/* Left column */
.ceo__portrait-col {
  display: flex; flex-direction: column; align-items: center;
  gap: 14px; text-align: center; position: sticky; top: calc(var(--nav-h) + 24px);
}
.ceo__portrait-col .section-header__eyebrow { text-align: center; }
.ceo__portrait-bg {
  width: 180px; height: 180px; border-radius: 22px;
  background: linear-gradient(145deg, var(--navy) 0%, var(--navy-light) 100%);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(135,159,201,0.2);
  box-shadow: var(--shadow-lg);
  margin-bottom: 6px;
}
.ceo__portrait-img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center top;
  border-radius: 18px;
}
.ceo__name {
  font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 800;
  color: var(--charcoal); line-height: 1.05; letter-spacing: -0.025em;
}
.ceo__role { font-size: 0.83rem; color: var(--mid-gray); font-weight: 500; }

/* Right column */
.ceo__content { display: flex; flex-direction: column; gap: 28px; padding-top: 6px; }

/* Quote — plain text with left accent bar */
.ceo__quote {
  font-size: 1.08rem; line-height: 1.82; color: var(--charcoal);
  font-weight: 500; font-style: italic;
  padding-left: 22px;
  border-left: 3px solid var(--accent);
}
.ceo__bio { font-size: 0.93rem; color: var(--mid-gray); line-height: 1.88; }

/* Career Timeline */
.ceo__timeline {
  display: grid; grid-template-columns: repeat(5, 1fr);
  position: relative; gap: 0 0;
  padding-top: 24px; border-top: 1px solid var(--border);
}
/* Horizontal connector line behind dots */
.ceo__timeline::after {
  content: ''; position: absolute;
  top: 30px; /* padding-top + center of 12px dot = 24 + 6 */
  left: 6px; right: 6px;
  height: 2px;
  background: linear-gradient(to right, rgba(135,159,201,0.3) 60%, rgba(0,102,255,0.4));
  z-index: 0;
}
.ceo__tl-item { display: flex; flex-direction: column; padding-right: 12px; }
.ceo__tl-top {
  display: flex; flex-direction: column;
  align-items: flex-start; gap: 8px;
  margin-bottom: 14px;
}
.ceo__tl-dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--brand-blue);
  border: 3px solid var(--soft-gray);
  outline: 2px solid var(--brand-blue);
  position: relative; z-index: 1; flex-shrink: 0;
}
.ceo__tl-dot--milestone { background: var(--charcoal); outline-color: var(--charcoal); }
.ceo__tl-dot--award { background: var(--accent); outline-color: var(--accent); }
.ceo__tl-year {
  font-size: 0.78rem; font-weight: 700; color: var(--mid-gray); letter-spacing: 0.05em;
}
.ceo__tl-year--milestone { color: var(--charcoal); }
.ceo__tl-year--award { color: var(--accent); }
.ceo__tl-body strong {
  display: block; font-size: 0.85rem; font-weight: 700;
  color: var(--charcoal); margin-bottom: 3px; line-height: 1.3;
}
.ceo__tl-body span { font-size: 0.76rem; color: var(--mid-gray); line-height: 1.55; }

@media (max-width: 900px) {
  .ceo__portrait-col { position: static; }
}
@media (max-width: 768px) {
  .ceo__inner { grid-template-columns: 1fr; gap: 40px; }
  .ceo__portrait-col { flex-direction: row; align-items: center; text-align: left; flex-wrap: wrap; gap: 16px 20px; }
  .ceo__portrait-col .section-header__eyebrow { text-align: left; flex-basis: 100%; order: -1; margin-bottom: 0; }
  .ceo__portrait-bg { width: 80px; height: 80px; border-radius: 14px; flex-shrink: 0; margin-bottom: 0; }
  .ceo__portrait-img { border-radius: 11px; }
  .ceo__name { font-size: 1.9rem; }
  /* Timeline: 세로 목록으로 전환 */
  .ceo__timeline { grid-template-columns: 1fr; gap: 0; }
  .ceo__timeline::after { display: none; }
  .ceo__tl-item { flex-direction: row; gap: 16px; align-items: flex-start; padding-right: 0; padding-bottom: 18px; }
  .ceo__tl-item:last-child { padding-bottom: 0; }
  .ceo__tl-top { align-items: center; min-width: 48px; margin-bottom: 0; flex-shrink: 0; }
  .ceo__tl-body { flex: 1; }
}

/* ===================================
   BLOG
   =================================== */
.blog { padding: 100px 0; background: var(--soft-gray); }
.blog__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.blog-card {
  background: var(--white); border-radius: var(--radius-md); padding: 32px;
  border: 1px solid var(--border); transition: var(--transition);
  display: flex; flex-direction: column; gap: 14px;
}
.blog-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.blog-card--featured {
  background: var(--navy); border-color: transparent;
  grid-column: span 1;
}
.blog-card--featured .blog-card__title { color: var(--white); }
.blog-card--featured .blog-card__desc { color: rgba(255,255,255,0.55); }
.blog-card--featured .blog-card__meta { color: rgba(255,255,255,0.35); }
.blog-card--featured .blog-card__tag { background: rgba(0,102,255,0.25); color: var(--accent); }
.blog-card__tag {
  display: inline-block; width: fit-content;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 20px;
  background: rgba(135,159,201,0.12); color: var(--accent);
}
.blog-card__title { font-size: 1rem; font-weight: 700; color: var(--charcoal); line-height: 1.45; }
.blog-card__desc { font-size: 0.87rem; color: var(--mid-gray); line-height: 1.7; flex: 1; }
.blog-card__meta { font-size: 0.78rem; color: var(--mid-gray); }

/* ===================================
   CONTACT
   =================================== */
.contact { padding: 100px 0; background: var(--white); }
.contact__inner { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; align-items: start; }
.contact__title { font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 800; line-height: 1.25; color: var(--charcoal); margin-bottom: 20px; margin-top: 12px; }
.contact__desc { font-size: 1rem; color: var(--mid-gray); line-height: 1.75; margin-bottom: 36px; }
.contact__details { display: flex; flex-direction: column; gap: 16px; }
.contact__detail {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.95rem; color: var(--mid-gray); transition: var(--transition);
}
.contact__detail:hover { color: var(--accent); }
.contact__detail svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--accent); }

.contact__form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--charcoal); }
.form-group input, .form-group textarea {
  padding: 13px 16px; border-radius: var(--radius-sm);
  border: 1.5px solid #E0E4F0; font-family: var(--font-main); font-size: 0.95rem;
  color: var(--charcoal); background: var(--white);
  transition: var(--transition); resize: none; outline: none;
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0,102,255,0.1);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: #BCC1CF; }
.form-success {
  display: none; text-align: center; padding: 14px; border-radius: var(--radius-sm);
  background: rgba(40,167,69,0.08); color: #28a745;
  font-size: 0.9rem; font-weight: 600; border: 1px solid rgba(40,167,69,0.2);
}
.form-success.show { display: block; }

/* ===================================
   FOOTER
   =================================== */
.footer { background: var(--navy); padding: 64px 0 32px; border-top: 1px solid rgba(135,159,201,0.12); }
.footer__inner { display: grid; grid-template-columns: 1.5fr 1fr; gap: 60px; margin-bottom: 48px; }
.footer__logo { height: 36px; width: auto; margin-bottom: 14px; }
.footer__tagline { font-size: 0.85rem; color: rgba(255,255,255,0.4); }
.footer__links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
.footer__link-group { display: flex; flex-direction: column; gap: 12px; }
.footer__link-group h4 { font-size: 0.82rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.35); margin-bottom: 4px; }
.footer__link-group a { font-size: 0.9rem; color: rgba(255,255,255,0.55); transition: var(--transition); }
.footer__link-group a:hover { color: var(--white); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.07); padding-top: 28px; display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between; }
.footer__bottom p { font-size: 0.78rem; color: rgba(255,255,255,0.3); }

/* ===================================
   ANIMATIONS (Scroll-triggered)
   =================================== */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* Hero stagger */
.animate-in { opacity: 0; transform: translateY(20px); transition: opacity 0.7s ease, transform 0.7s ease; }
.animate-in.visible { opacity: 1; transform: translateY(0); }
[data-delay="0"] { transition-delay: 0.2s; }
[data-delay="1"] { transition-delay: 0.45s; }
[data-delay="2"] { transition-delay: 0.65s; }
[data-delay="3"] { transition-delay: 0.85s; }

/* ===================================
   MOBILE MENU
   =================================== */
@media (max-width: 900px) {
  .nav__menu {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: rgba(10,18,36,0.97); backdrop-filter: blur(16px);
    flex-direction: column; align-items: stretch; gap: 4px;
    padding: 16px; border-bottom: 1px solid rgba(135,159,201,0.1);
    transform: translateY(-100%); opacity: 0;
    transition: transform 0.35s ease, opacity 0.35s ease;
    pointer-events: none;
  }
  .nav__menu.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav__menu li a { padding: 14px 16px; font-size: 1rem; }
  .nav__hamburger { display: flex; }
  .nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__hamburger.open span:nth-child(2) { opacity: 0; }
  .nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 1024px) {
  .about__inner { grid-template-columns: 1fr; gap: 56px; }
  .about__visual { display: none; }
  .contact__inner { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(3) { border-top: 1px solid rgba(255,255,255,0.08); border-right: 1px solid rgba(255,255,255,0.08); }
  .stat-item:nth-child(4) { border-top: 1px solid rgba(255,255,255,0.08); }
  .services__grid { grid-template-columns: 1fr 1fr; }
  .services__split-row { grid-template-columns: 1fr; }
  .services__category { flex-direction: column; align-items: flex-start; gap: 10px; }
  .clients__roi { grid-template-columns: repeat(2, 1fr); }
  .blog__grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 40px; }
  .section-header--split { flex-direction: column; align-items: flex-start; }
  /* Mobile spacing & typography */
  .hero__content { padding: 52px 20px 48px; gap: 20px; }
  .hero__title { font-size: clamp(1.9rem, 8vw, 3.2rem); }
  .section-header { margin-bottom: 40px; }
  .stats { padding: 40px 0; }
  .stat-item { padding: 22px 14px; }
  .services, .clients, .about, .ceo, .blog, .contact { padding: 64px 0; }
  .about__inner { gap: 40px; }
  .contact__inner { gap: 40px; }
  .clients__marquee-wrapper { margin-bottom: 40px; }
  .service-card { padding: 26px 22px; }
}
@media (max-width: 540px) {
  .container { padding: 0 16px; }
  .services__grid { grid-template-columns: 1fr; }
  .clients__roi { grid-template-columns: 1fr 1fr; }
  /* 버튼: 가로 정렬 유지 */
  .hero__actions { flex-direction: row; flex-wrap: wrap; gap: 12px; }
  .hero__actions .btn { padding: 11px 20px; font-size: 0.9rem; }
  .footer__links { grid-template-columns: 1fr 1fr; gap: 28px; }
  /* Phone-specific: tighter spacing */
  .section-header { margin-bottom: 32px; }
  .services, .clients, .about, .ceo, .blog, .contact { padding: 52px 0; }
  .hero__content { padding: 36px 16px 44px; gap: 18px; }
  .hero__title { font-size: clamp(1.7rem, 9vw, 2.4rem); }
  /* 배지: 텍스트 숨기고 NICE 로고만 */
  .hero__badge { gap: 0; padding: 7px 14px; }
  .hero__badge span { display: none; }
  .stat-item { padding: 18px 10px; }
  .stat-item__number { font-size: 1.8rem; }
  .service-card { padding: 20px 18px; gap: 12px; }
  .roi-card { padding: 20px 12px; }
  .about__metric-card { padding: 18px 18px; }
  .about__metric-value { font-size: 2.2rem; }
  .ceo__quote { font-size: 0.95rem; line-height: 1.75; padding-left: 16px; }
  .ceo__bio { font-size: 0.87rem; }
  .footer { padding: 48px 0 24px; }
  .footer__inner { margin-bottom: 28px; }
  .services__category { padding: 24px 0 8px; }
  .blog-card { padding: 24px 20px; }
}