/* ============================================
   BRAVIX Premium Portfolio - Main Styles
   ============================================ */

:root {
  --bg-primary: #050816;
  --bg-secondary: #0A1020;
  --bg-tertiary: #101827;
  --accent-cyan: #00D4FF;
  --accent-bright: #00F0FF;
  --accent-blue: #4F7CFF;
  --neon-glow: rgba(0, 212, 255, 0.35);
  --text-primary: #FFFFFF;
  --text-secondary: #B6C2D9;
  --text-muted: #6B7A94;
  --glass-bg: rgba(5, 8, 22, 0.38);
  --glass-border: rgba(0, 212, 255, 0.2);
  --glass-hover: rgba(0, 212, 255, 0.1);
  --gradient-primary: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  --gradient-text: linear-gradient(135deg, var(--accent-bright), var(--accent-blue));
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --shadow-neon: 0 0 30px var(--neon-glow);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 80px;
  --container-max: 1280px;
  --section-padding: 64px;
  --section-header-gap: 14px;
}

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

html {
  scroll-behavior: smooth;
  scroll-snap-type: y mandatory;
  scroll-padding-top: var(--header-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: var(--bg-primary);
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-secondary);
  background: transparent;
  overflow-x: clip;
}

@supports not (overflow: clip) {
  body {
    overflow-x: hidden;
  }
}

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

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

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

ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-padding) 0;
  position: relative;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

/* ---- Background Effects ---- */
.bg-effects {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.aurora {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(0, 212, 255, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 20%, rgba(79, 124, 255, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse 50% 60% at 50% 80%, rgba(0, 240, 255, 0.05) 0%, transparent 50%);
  animation: auroraShift 15s ease-in-out infinite alternate;
}

.grid-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.055) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 88%);
  opacity: 0.85;
}

#particleCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.blur-circle {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
}

.blur-circle--1 {
  width: 400px;
  height: 400px;
  background: var(--accent-cyan);
  top: -100px;
  right: -100px;
  opacity: 0.15;
}

.blur-circle--2 {
  width: 300px;
  height: 300px;
  background: var(--accent-blue);
  bottom: 20%;
  left: -80px;
  opacity: 0.12;
}

.blur-circle--3 {
  width: 250px;
  height: 250px;
  background: var(--accent-bright);
  top: 50%;
  right: 10%;
  opacity: 0.08;
}

.neon-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  opacity: 0.3;
}

.neon-line--1 {
  width: 60%;
  top: 30%;
  left: 20%;
  animation: neonFlow 8s linear infinite;
}

.neon-line--2 {
  width: 40%;
  bottom: 25%;
  right: 10%;
  animation: neonFlow 12s linear infinite reverse;
}

.mouse-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
  opacity: 0;
}

body:hover .mouse-glow { opacity: 1; }

/* ---- Typography ---- */
.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header {
  margin-bottom: var(--section-header-gap);
}

.section-header--center { text-align: center; }

.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 5px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.section-desc {
  margin-top: 5px;
  font-size: 1.0625rem;
  color: var(--text-secondary);
  max-width: 560px;
}

.section-header--center .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* ---- Glass Card ---- */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.glass-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: var(--shadow-neon);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--gradient-primary);
  color: var(--bg-primary);
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn--primary:hover {
  box-shadow: 0 6px 30px rgba(0, 212, 255, 0.5);
  transform: translateY(-2px);
}

.btn--outline {
  border: 1px solid rgba(0, 212, 255, 0.4);
  color: var(--text-primary);
  background: rgba(0, 212, 255, 0.05);
}

.btn--outline:hover {
  background: rgba(0, 212, 255, 0.12);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-neon);
}

.btn--sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

.btn--full { width: 100%; }

/* ---- Header ---- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(5, 8, 22, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.header.scrolled {
  background: rgba(5, 8, 22, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

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

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
  letter-spacing: 0.05em;
}

.nav__logo-text {
  line-height: 1;
}

.nav__logo-img {
  width: 1.65em;
  height: 1.65em;
  object-fit: cover;
  object-position: top center;
  flex-shrink: 0;
  display: block;
  background: transparent;
}

.nav__logo-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-cyan);
}

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

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

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

.nav__link:hover {
  color: var(--text-primary);
}

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

.nav__link--cta {
  padding: 10px 22px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: var(--radius-sm);
}

.nav__link--cta::after { display: none; }

.nav__link--cta:hover {
  background: rgba(0, 212, 255, 0.2);
  border-color: var(--accent-cyan);
}

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

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

.nav__backdrop {
  display: none;
}

/* ---- Hero ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  position: relative;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  overflow: visible;
  background: transparent;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 60px 24px;
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent-cyan);
  margin-bottom: 24px;
}

.hero__title {
  font-family: var(--font-heading);
  margin-bottom: 20px;
}

.hero__title-line {
  display: block;
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

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

.hero__subtitle {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--accent-cyan);
  margin-bottom: 16px;
}

.hero__desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 480px;
  text-shadow: 0 1px 12px rgba(5, 8, 22, 0.8);
}

.hero__badge,
.hero__title-line,
.hero__subtitle,
.hero__desc,
.hero__cta {
  opacity: 0;
}

@media (prefers-reduced-motion: reduce) {
  .hero__badge,
  .hero__title-line,
  .hero__subtitle,
  .hero__desc,
  .hero__cta {
    opacity: 1;
  }
}

.hero__cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero - 3D Orbit Showcase */
.hero__visual {
  position: relative;
  overflow: visible;
  min-height: 400px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit-showcase {
  width: 100%;
  position: relative;
}

.orbit-showcase__scene {
  position: relative;
  width: 100%;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 0;
  box-sizing: content-box;
  perspective: 2000px;
  perspective-origin: 50% 50%;
  transform-style: preserve-3d;
  overflow: visible;
}

.orbit-showcase__ring {
  position: relative;
  width: 0;
  height: 0;
  transform-style: preserve-3d;
}

.orbit-card {
  position: absolute;
  left: 0;
  top: 0;
  transform-style: preserve-3d;
  will-change: transform;
  cursor: pointer;
}

.orbit-card__inner {
  width: 252px;
  transform: translate(-50%, -50%) scale(var(--orbit-scale, 1));
  transform-origin: center center;
  opacity: var(--orbit-opacity, 1);
  filter: blur(var(--orbit-blur, 0));
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  overflow: hidden;
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.55),
    0 0 calc(24px + var(--orbit-glow, 0) * 40px) rgba(0, 212, 255, calc(0.15 + var(--orbit-glow, 0) * 0.45));
  transition: box-shadow 0.25s ease, filter 0.2s ease, opacity 0.2s ease, transform 0.25s ease;
}

.orbit-card.is-front .orbit-card__inner {
  animation: orbitFloat 3s ease-in-out infinite;
}

.orbit-card.is-hovered .orbit-card__inner {
  animation: none;
  transform: translate(-50%, -50%) scale(calc(var(--orbit-scale, 1) * 1.08));
  box-shadow: 0 0 50px rgba(0, 212, 255, 0.6), 0 24px 60px rgba(0, 0, 0, 0.55);
  filter: blur(0);
  opacity: 1;
}

.orbit-card__media {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0a1028;
}

.orbit-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.orbit-card[data-orbit-index="2"] .orbit-card__media {
  aspect-ratio: 9 / 16;
  max-height: 220px;
}

.orbit-card__info {
  padding: 16px 18px 18px;
}

.orbit-card__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.orbit-card__tech {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.orbit-card__desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Mobile carousel (hidden on desktop) */
.orbit-carousel {
  display: none;
}

.orbit-carousel__viewport {
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 8px 0 12px;
}

.orbit-carousel__viewport::-webkit-scrollbar {
  display: none;
}

.orbit-carousel__track {
  display: flex;
  gap: 16px;
  padding: 0 16px;
}

.orbit-carousel__slide {
  flex: 0 0 88%;
  scroll-snap-align: center;
}

.orbit-carousel__slide .orbit-card__inner {
  width: 100%;
  transform: none;
  opacity: 1;
  filter: none;
  animation: none;
}

.orbit-carousel__dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 8px;
}

.orbit-carousel__dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border-radius: 50%;
  border: none;
  background: rgba(0, 212, 255, 0.25);
  cursor: pointer;
  transition: var(--transition);
}

.orbit-carousel__dot.active {
  width: 24px;
  border-radius: 100px;
  background: var(--accent-cyan);
  box-shadow: 0 0 12px var(--neon-glow);
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent-cyan), transparent);
  animation: scrollPulse 2s ease infinite;
}

.hero__scroll-hint {
  display: none;
}

/* ---- About ---- */
.about .glass-card {
  background: rgba(5, 8, 22, 0.28);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.about__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: stretch;
}

.about__story {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 40px;
}

.about__lead {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.about__story p {
  margin-bottom: 16px;
  font-size: 1.0625rem;
}

.about__story strong {
  color: var(--accent-cyan);
}

.about__slogan {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--glass-border);
}

.about__slogan-main {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.about__slogan-sub {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.about__slogan-list {
  margin-bottom: 20px;
}

.about__slogan-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.about__slogan-list li + li {
  margin-top: 12px;
}

.about__slogan-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-size: 0.75rem;
  font-weight: 700;
}

.about__slogan-list strong {
  color: var(--accent-cyan);
  font-weight: 600;
}

.about__expertise {
  margin-top: auto;
  padding-top: 20px;
}

.about__expertise-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.about__expertise-header span {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

.about__expertise-header strong {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.about__expertise-visual {
  position: relative;
  min-height: 190px;
  padding: 8px 0;
  border-radius: var(--radius-md);
  background:
    linear-gradient(rgba(0, 212, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.06) 1px, transparent 1px),
    radial-gradient(ellipse at center, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
  background-size: 24px 24px, 24px 24px, 100% 100%;
  background-color: rgba(0, 212, 255, 0.02);
  border: 1px solid rgba(0, 212, 255, 0.15);
  overflow: hidden;
}

.expertise-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.expertise-hub {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  background: rgba(5, 8, 22, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(0, 212, 255, 0.35);
  border-radius: 50%;
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.2);
  z-index: 2;
}

.expertise-hub i {
  font-size: 0.875rem;
  color: var(--accent-cyan);
}

.expertise-hub span {
  font-family: var(--font-heading);
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

.expertise-nodes {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: 1fr 1fr;
  padding: 20px 16px 22px;
}

.expertise-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.expertise-node:nth-child(5) {
  grid-column: 2;
}

.expertise-node:nth-child(6) {
  grid-column: 3;
}

.expertise-node__icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.06);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 50%;
  color: var(--accent-cyan);
  font-size: 0.8125rem;
  transition: var(--transition);
}

.expertise-node:hover .expertise-node__icon {
  background: rgba(0, 212, 255, 0.15);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.3);
  transform: scale(1.1);
}

.expertise-node span {
  font-size: 0.625rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  line-height: 1;
  padding-bottom: 2px;
}

.about__float {
  height: 100%;
}

.about__float--2,
.about__float--3,
.about__float--4 {
  height: auto;
  flex: 1;
}

.about__features {
  display: flex;
  flex-direction: column;
  gap: 20px;
  height: 100%;
}

.about__features > .about__float {
  display: flex;
  flex-direction: column;
}

.about__feature {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 28px;
}

.about__feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--accent-cyan);
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.about__feature h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.about__feature p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.about__feature-list {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--glass-border);
  flex: 1;
}

.about__feature-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.about__feature-list li + li {
  margin-top: 10px;
}

.about__feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-size: 0.75rem;
  font-weight: 700;
}

/* ---- Services ---- */
.services .glass-card {
  background: rgba(5, 8, 22, 0.48);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-color: rgba(0, 212, 255, 0.22);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.service-float .service-card {
  height: 100%;
}

.service-card {
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  cursor: default;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: var(--shadow-neon), var(--shadow-card);
}

.service-card:hover::before { opacity: 0.05; }

.service-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  color: var(--accent-cyan);
  margin-bottom: 24px;
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.service-card:hover .service-card__icon {
  background: rgba(0, 212, 255, 0.2);
  box-shadow: 0 0 20px var(--neon-glow);
  transform: scale(1.1) rotate(-5deg);
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.service-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

.service-card__arrow {
  position: absolute;
  bottom: 28px;
  right: 28px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  color: var(--accent-cyan);
  opacity: 0;
  transform: translateX(-10px);
  transition: var(--transition);
}

.service-card:hover .service-card__arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ---- Portfolio ---- */
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.portfolio-float .portfolio-card {
  height: 100%;
}

.portfolio-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}

.portfolio-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: var(--shadow-neon);
  transform: translateY(-6px);
}

.portfolio-card__image {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}

.portfolio-card__image--erp {
  background: linear-gradient(135deg, #0A1628 0%, #1a3a5c 50%, #0d2847 100%);
}

.portfolio-card__image--delivery {
  background: linear-gradient(135deg, #0A1020 0%, #2d1b4e 50%, #1a1040 100%);
}

.portfolio-card__image--ebook {
  background: linear-gradient(135deg, #0A1628 0%, #1e4d5c 50%, #0d3540 100%);
}

.portfolio-card__image--policy {
  background: linear-gradient(135deg, #101827 0%, #3d2a1a 50%, #2a1f10 100%);
}

.portfolio-card__image--corporate {
  background: linear-gradient(135deg, #050816 0%, #1a2a4a 50%, #0d1a30 100%);
}

.portfolio-card__image::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(0,212,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.05) 1px, transparent 1px);
  background-size: 20px 20px;
}

.portfolio-card__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5,8,22,0.8) 0%, transparent 50%);
}

.portfolio-card__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 8, 22, 0.6);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: var(--transition);
  z-index: 2;
}

.portfolio-card:hover .portfolio-card__overlay {
  opacity: 1;
  backdrop-filter: blur(0);
}

.portfolio-card:hover .portfolio-card__image {
  transform: scale(1.08);
}

.portfolio-card__image {
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-card__info {
  padding: 24px;
}

.portfolio-card__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.portfolio-card__info h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.portfolio-card__info p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ---- Stats ---- */
.stats {
  padding: var(--section-padding) 0;
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 40px 24px;
}

.stat-card__number {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 12px;
}

.stat-card__label {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* ---- Skills ---- */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.skill-group {
  padding: 32px;
}

.skill-group--wide {
  grid-column: 1 / -1;
}

.skill-group__title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.skill-group__title i {
  color: var(--accent-cyan);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.skill-tag {
  position: relative;
  padding: 10px 18px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  overflow: hidden;
  transition: var(--transition);
}

.skill-tag::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--gradient-primary);
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-tag.animated::before {
  width: calc(var(--level) * 1%);
}

.skill-tag:hover {
  border-color: rgba(0, 212, 255, 0.3);
  color: var(--text-primary);
  box-shadow: 0 0 15px var(--neon-glow);
}

/* ---- Process ---- */
.process__timeline {
  position: relative;
  padding: 40px 0;
}

.process__scroll {
  position: relative;
  width: 100%;
}

.process__spiral {
  display: none;
}

.process__spiral-track {
  fill: none;
  stroke: rgba(0, 212, 255, 0.12);
  stroke-width: 0.35;
  stroke-linecap: round;
}

.process__spiral-progress {
  fill: none;
  stroke: url(#processSpiralGrad);
  stroke-width: 0.45;
  stroke-linecap: round;
}

.process__track {
  position: absolute;
  top: 56px;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 1px;
}

.process__progress {
  height: 100%;
  width: 0;
  background: var(--gradient-primary);
  border-radius: 1px;
  box-shadow: 0 0 10px var(--neon-glow);
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.process__steps {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 16px;
  position: relative;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step__dot {
  width: 16px;
  height: 16px;
  background: var(--bg-secondary);
  border: 2px solid rgba(0, 212, 255, 0.3);
  border-radius: 50%;
  margin: 0 auto 20px;
  position: relative;
  z-index: 2;
  transition: var(--transition);
}

.process-step.active .process-step__dot,
.process-step:hover .process-step__dot {
  background: var(--accent-cyan);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px var(--neon-glow);
}

.process-step__num {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 8px;
}

.process-step h3 {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.process-step p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ---- Testimonials ---- */
.testimonials__slider {
  position: relative;
}

.testimonials__viewport {
  overflow: visible;
}

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

.testimonials__dots {
  display: none;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}

.testimonials__dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border-radius: 50%;
  border: none;
  background: rgba(0, 212, 255, 0.25);
  cursor: pointer;
  transition: var(--transition);
}

.testimonials__dot.active {
  width: 24px;
  border-radius: 100px;
  background: var(--accent-cyan);
  box-shadow: 0 0 12px var(--neon-glow);
}

.testimonial-card {
  padding: 36px;
  display: flex;
  flex-direction: column;
}

.testimonial-card__stars {
  color: #FFD700;
  font-size: 0.875rem;
  margin-bottom: 20px;
  display: flex;
  gap: 4px;
}

.testimonial-card p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  flex: 1;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
}

.testimonial-card cite {
  display: block;
  font-family: var(--font-heading);
  font-style: normal;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9375rem;
}

.testimonial-card__author span {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ---- Contact ---- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.contact__desc {
  margin-top: 20px;
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.contact__details {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact__detail {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 1rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.contact__detail i {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--accent-cyan);
}

.contact__detail:hover {
  color: var(--accent-cyan);
}

.contact__info--center {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.contact__info--center .contact__details {
  align-items: center;
}

.contact__info--center .contact__detail {
  justify-content: center;
}

.contact__open-btn {
  margin-top: 36px;
}

.contact__form {
  padding: 0;
}

.modal--contact .modal__content--form {
  max-width: 640px;
}

.contact-modal__body {
  padding: 32px 32px 28px;
}

.contact-modal__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  padding-right: 40px;
}

.contact-modal__desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

.modal--contact .contact__form .form-group:last-of-type {
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  transition: var(--transition);
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23B6C2D9' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px var(--neon-glow);
  background: rgba(0, 212, 255, 0.03);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ---- Footer ---- */
.footer {
  padding: 56px 0 32px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}

.footer__brand-top {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 16px;
}

.footer__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  line-height: 1;
}

.footer__logo-text {
  line-height: 1;
}

.footer__logo-img {
  width: 1.5em;
  height: 1.5em;
  object-fit: cover;
  object-position: top center;
  flex-shrink: 0;
  display: block;
  background: transparent;
}

.footer__slogan {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  color: var(--accent-cyan);
  margin: 0;
  white-space: nowrap;
}

.footer__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 560px;
  margin: 0;
}

.footer__copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 4px 0 0;
}

/* ---- Modal ---- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal[hidden] { display: none; }

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 8, 22, 0.85);
  backdrop-filter: blur(8px);
}

.modal__content {
  position: relative;
  width: 100%;
  max-width: 720px;
  max-height: 90vh;
  overflow-y: auto;
  z-index: 1;
  animation: modalIn 0.4s ease;
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  color: var(--text-primary);
  font-size: 1.125rem;
  z-index: 2;
  transition: var(--transition);
}

.modal__close:hover {
  background: rgba(0, 212, 255, 0.2);
  border-color: var(--accent-cyan);
}

.modal__image {
  aspect-ratio: 16 / 9;
  background-size: cover;
  background-position: center;
}

.modal__body {
  padding: 32px;
}

.modal__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.modal__title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.modal__desc {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.7;
}

.modal__features {
  margin-bottom: 24px;
}

.modal__features li {
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.modal__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
  font-weight: 700;
}

.modal__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.modal__tech span {
  padding: 6px 14px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-size: 0.8125rem;
  color: var(--accent-cyan);
}

/* ---- FAB ---- */
.fab {
  position: fixed;
  bottom: calc(32px + env(safe-area-inset-bottom, 0px));
  right: calc(32px + env(safe-area-inset-right, 0px));
  left: auto;
  top: auto;
  z-index: 1600;
  pointer-events: none;
  opacity: 1;
  visibility: visible;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.fab__toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: var(--bg-primary);
  font-size: 1.25rem;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
  transition: var(--transition);
  position: relative;
  z-index: 2;
  pointer-events: auto;
}

.fab__toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(0, 212, 255, 0.6);
}

.fab__toggle.active {
  transform: rotate(45deg);
}

.fab__menu {
  position: absolute;
  bottom: calc(70px + env(safe-area-inset-bottom, 0px));
  right: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  pointer-events: none;
}

.fab__menu.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.fab__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition);
}

.fab__item:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-neon);
  transform: translateX(-4px);
}

.fab__item i { font-size: 1rem; }
.fab__item--kakao i { color: #FEE500; }
.fab__item--phone i { color: var(--accent-cyan); }
.fab__item--email i { color: var(--accent-blue); }

/* ---- Toast ---- */
.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 14px 28px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9375rem;
  z-index: 3000;
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---- Utility ---- */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
}