/* =========================================================
   SSSOFT Landing Page — Core Stylesheet
   ========================================================= */

:root {
  --bg-dark: #0a0e14;
  --bg-dark-2: #0d1219;
  --bg-panel: #11161f;
  --bg-panel-2: #151b26;
  --border-soft: rgba(255,255,255,0.08);
  --border-soft-2: rgba(255,255,255,0.14);

  --text-primary: #f3f5f8;
  --text-secondary: #a9b2c3;
  --text-muted: #6d7688;

  --accent: #4f8dfd;
  --accent-2: #7c5cff;
  --accent-soft: rgba(79,141,253,0.12);
  --accent-gradient: linear-gradient(120deg, #4f8dfd 0%, #7c5cff 100%);

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

  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;

  --max-width: 1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-kr);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 120px 32px;
}

.text-accent {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Section headings ---------- */
.section-tag {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 20px;
  text-transform: uppercase;
}
.section-tag.light { color: #9fc1ff; }

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
  color: var(--text-primary);
}
.section-title.light { color: #ffffff; }

.section-lead {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 720px;
  margin-bottom: 56px;
}
.section-lead.light { color: rgba(255,255,255,0.75); }

.placeholder-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: #ffcf6b;
  background: rgba(255,207,107,0.12);
  border: 1px solid rgba(255,207,107,0.3);
  border-radius: 6px;
  padding: 2px 7px;
  letter-spacing: 0.02em;
  margin-left: 4px;
  vertical-align: middle;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: all .25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 8px 24px -8px rgba(79,141,253,0.6);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -8px rgba(79,141,253,0.75); }
.btn-ghost {
  background: rgba(255,255,255,0.04);
  border-color: var(--border-soft-2);
  color: var(--text-primary);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.3); }
.btn-full { width: 100%; justify-content: center; }

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10,14,20,0.55);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease;
}
.site-header.scrolled {
  background: rgba(10,14,20,0.88);
  border-bottom-color: var(--border-soft);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 76px;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 10px; }
/* Logo asset is bleed-cropped (glyph touches all four edges), so it sits
   bare rather than inside a filled tile — the gradient lives in the artwork. */
.brand-mark {
  width: 32px;
  height: auto;
  display: block;
  flex-shrink: 0;
}
.brand-text {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}
.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color .2s;
}
.main-nav a:hover { color: var(--text-primary); }
.main-nav .nav-cta {
  padding: 9px 20px;
  border-radius: 999px;
  background: var(--accent-gradient);
  color: #fff !important;
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all .25s ease;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  top: 76px; left: 0; right: 0;
  background: rgba(10,14,20,0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  padding: 16px 24px 28px;
  gap: 4px;
  transform: translateY(-110%);
  opacity: 0;
  transition: transform .3s ease, opacity .3s ease;
  z-index: 999;
}
.mobile-menu.open { transform: translateY(0); opacity: 1; }
.mobile-menu a {
  padding: 14px 8px;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-soft);
}
.mobile-menu .nav-cta {
  margin-top: 10px;
  text-align: center;
  border-radius: 999px;
  background: var(--accent-gradient);
  color: #fff;
  border-bottom: none;
  font-weight: 700;
}

/* =========================================================
   HERO
   ========================================================= */
.hero-section {
  position: relative;
  min-height: clamp(600px, 100vh, 900px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px 32px 100px;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 0%, #131b29 0%, var(--bg-dark) 60%);
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 40%, transparent 100%);
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
}
.glow-1 { width: 520px; height: 520px; top: -160px; left: 8%; background: #4f8dfd; }
.glow-2 { width: 480px; height: 480px; bottom: -180px; right: 6%; background: #7c5cff; opacity: 0.35; }

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 880px;
  text-align: center;
}
.eyebrow {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--accent);
  margin-bottom: 28px;
}
.hero-content h1 {
  font-size: clamp(34px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}
.hero-desc {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 44px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.scroll-cue {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  animation: bob 2.4s ease-in-out infinite;
}
@keyframes bob {
  0%,100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

/* =========================================================
   ABOUT
   ========================================================= */
.about-section { background: var(--bg-dark); }
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.about-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: transform .3s ease, border-color .3s ease;
}
.about-card:hover { transform: translateY(-6px); border-color: var(--border-soft-2); }
.about-num {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.about-card h3 { font-size: 20px; font-weight: 700; margin: 16px 0 12px; }
.about-card p { font-size: 15px; color: var(--text-secondary); }

/* =========================================================
   DX / AX SERVICES
   ========================================================= */
.dx-section { background: var(--bg-dark-2); }
.ax-section { background: var(--bg-dark); }

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  transition: transform .3s ease, border-color .3s ease, background .3s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(79,141,253,0.4);
  background: var(--bg-panel-2);
}
.service-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--accent-soft);
  display: flex; align-items: center; justify-content: center;
  font-size: 21px;
  color: var(--accent);
  margin-bottom: 22px;
}
.ax-card .service-icon { background: rgba(124,92,255,0.12); color: var(--accent-2); }
.service-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.service-card > p { font-size: 14.5px; color: var(--text-secondary); margin-bottom: 18px; }
.service-card ul { display: flex; flex-direction: column; gap: 8px; }
.service-card ul li {
  font-size: 13.5px;
  color: var(--text-muted);
  padding-left: 18px;
  position: relative;
}
.service-card ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.ax-card ul li::before { background: var(--accent-2); }

/* =========================================================
   CONTINUUM
   ========================================================= */
.continuum-section {
  background: linear-gradient(160deg, #0b1a33 0%, #0a0e14 60%);
  position: relative;
}
.continuum-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 20px;
}
.continuum-line {
  position: absolute;
  top: 22px;
  left: 22px;
  right: 22px;
  height: 2px;
  background: linear-gradient(90deg, rgba(79,141,253,0.1), rgba(79,141,253,0.7), rgba(124,92,255,0.7), rgba(124,92,255,0.1));
  z-index: 0;
}
.continuum-step {
  position: relative;
  z-index: 1;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  backdrop-filter: blur(6px);
}
.step-dot {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #fff;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.continuum-step h4 {
  font-size: 19px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.4;
}
.continuum-step h4 span {
  display: block;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  color: #9fc1ff;
  letter-spacing: 0.08em;
  margin-top: 4px;
}
.continuum-step p { font-size: 14px; color: rgba(255,255,255,0.65); }

.continuum-note {
  margin-top: 44px;
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  display: flex;
  gap: 10px;
  align-items: flex-start;
  max-width: 760px;
}
.continuum-note i { color: #9fc1ff; margin-top: 2px; }

/* =========================================================
   IMPACT
   ========================================================= */
.impact-section { background: var(--bg-dark); }
.impact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.impact-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 38px 26px;
  text-align: center;
}
.impact-value {
  font-family: var(--font-en);
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.impact-suffix {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 800;
  color: var(--accent-2);
}
.impact-label {
  margin-top: 12px;
  font-size: 14.5px;
  color: var(--text-secondary);
}

/* =========================================================
   PROCESS
   ========================================================= */
.process-section { background: var(--bg-dark-2); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.process-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  position: relative;
  overflow: hidden;
}
.process-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--accent-gradient);
}
.process-phase {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 16px;
}
.process-card h3 {
  font-size: 21px;
  font-weight: 800;
  font-family: var(--font-en);
  margin-bottom: 12px;
}
.process-card h3 span {
  display: block;
  font-family: var(--font-kr);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: 4px;
}
.process-card p { font-size: 14px; color: var(--text-secondary); }

/* =========================================================
   INDUSTRIES
   ========================================================= */
.industries-section { background: var(--bg-dark); }
.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.industry-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: transform .25s ease, border-color .25s ease;
}
.industry-card:hover { transform: translateY(-4px); border-color: var(--border-soft-2); }
.industry-card i {
  font-size: 26px;
  color: var(--accent);
  width: 52px; height: 52px;
  flex-shrink: 0;
  border-radius: 14px;
  background: var(--accent-soft);
  display: flex; align-items: center; justify-content: center;
}
.industry-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.industry-card p { font-size: 13.5px; color: var(--text-muted); }

/* =========================================================
   CONTACT
   ========================================================= */
.contact-section {
  background: linear-gradient(160deg, #0b1a33 0%, #0a0e14 55%);
}
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: start;
}
.contact-intro .section-lead { margin-bottom: 36px; }
.contact-info { display: flex; flex-direction: column; gap: 16px; }
.contact-info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: rgba(255,255,255,0.8);
}
.contact-info-item i {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: center;
  color: #9fc1ff;
}
a.contact-info-item:hover { color: #fff; }

.contact-form {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 36px;
  backdrop-filter: blur(8px);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
  margin-bottom: 8px;
}
.form-group label span { color: #ff8484; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: #fff;
  font-size: 14.5px;
  font-family: inherit;
  transition: border-color .2s ease, background .2s ease;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.35); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255,255,255,0.08);
}
.form-group select { appearance: none; cursor: pointer; }
.form-group textarea { resize: vertical; }

.form-status {
  margin-top: 14px;
  font-size: 14px;
  text-align: center;
  min-height: 20px;
}
.form-status.success { color: #6bdc9a; }
.form-status.error { color: #ff8484; }

/* 허니팟 — 화면에서 완전히 걷어내되, 폼에는 남아 봇이 채우도록 둔다.
   display:none 대신 화면 밖으로 밀어내는 방식이라 단순 봇이 걸러내기 어렵다. */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer { background: var(--bg-dark-2); border-top: 1px solid var(--border-soft); }
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 32px;
  padding: 64px 32px 40px;
}
.footer-brand { display: flex; flex-direction: column; gap: 8px; }
.footer-brand .brand-mark { display: block; }
.footer-brand p { font-size: 13px; color: var(--text-muted); margin-top: 6px; }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-content: flex-start;
}
.footer-links a { font-size: 14px; color: var(--text-secondary); }
.footer-links a:hover { color: var(--text-primary); }
.footer-contact a {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; color: var(--text-secondary);
}
.footer-bottom {
  border-top: 1px solid var(--border-soft);
  padding: 22px 32px 32px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  max-width: var(--max-width);
  margin: 0 auto;
  font-size: 12.5px;
  color: var(--text-muted);
}
.placeholder-note { color: #7d7360; }

/* =========================================================
   SCROLL TOP
   ========================================================= */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #fff;
  border: none;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  box-shadow: 0 8px 20px -6px rgba(79,141,253,0.6);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease;
  z-index: 900;
}
.scroll-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* =========================================================
   SCROLL REVEAL
   Content is visible by default (opacity:1) so it never gets
   stuck hidden if JS is slow/fails/or a tool captures the page
   before animations run. JS only *optionally* adds a brief
   fade-up flourish the first time an element scrolls into view.
   ========================================================= */
[data-aos] {
  opacity: 1;
  transform: translateY(0);
}
[data-aos].aos-armed {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
}
[data-aos].aos-armed.in-view { opacity: 1; transform: translateY(0); }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .continuum-track { grid-template-columns: repeat(2, 1fr); }
  .continuum-line { display: none; }
  .impact-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-container { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .section-container { padding: 84px 24px; }
  .hero-section { padding: 120px 24px 80px; }
  .about-grid,
  .service-grid,
  .impact-grid,
  .process-grid,
  .industries-grid { grid-template-columns: 1fr; }
  .continuum-track { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}