/* ══════════════════════════════════════════════════════════════
   iStepExcel Theme — Main Stylesheet
   Dark Space × Electric Neon × Premium Luxury
══════════════════════════════════════════════════════════════ */

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
  --void:     #020C1B;
  --deep:     #0A1628;
  --surface:  #0F2044;
  --elevated: #152850;
  --border:   rgba(0,212,255,0.12);
  --plasma:   #00D4FF;
  --violet:   #8B5CF6;
  --gold:     #F59E0B;
  --emerald:  #10B981;
  --text:     #E2E8F0;
  --muted:    #64748B;
  --subtle:   #94A3B8;

  --font-display: 'Orbitron', sans-serif;
  --font-heading: 'Exo 2', sans-serif;
  --font-body:    'Nunito Sans', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

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

  --shadow-glow:  0 0 30px rgba(0,212,255,0.2);
  --shadow-card:  0 4px 32px rgba(0,0,0,0.4);
  --shadow-hover: 0 12px 48px rgba(0,0,0,0.6);

  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --transition-slow: 0.6s cubic-bezier(0.4,0,0.2,1);
}

/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; }
body {
  background: var(--void);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
button { cursor: pointer; border: none; background: none; font-family: inherit; color: inherit; }
input, textarea, select { font-family: inherit; color: inherit; }
ul { list-style: none; }

/* ── App Shell ─────────────────────────────────────────────── */
.istep-app { min-height: 100vh; }

/* ── Container ─────────────────────────────────────────────── */
.istep-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 768px) { .istep-container { padding: 0 16px; } }

/* ── Gradient Text ──────────────────────────────────────────── */
.istep-gradient-text {
  background: linear-gradient(90deg, var(--plasma), var(--violet), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ══════════════════════════════════════════════════════════════
   LOADING SCREEN
══════════════════════════════════════════════════════════════ */
.istep-loading {
  position: fixed; inset: 0;
  background: var(--void);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 32px;
  z-index: 9999;
}
.istep-loading-bar {
  width: 260px; height: 3px;
  background: var(--surface);
  border-radius: 99px; overflow: hidden;
}
.istep-loading-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--plasma), var(--violet));
  border-radius: 99px;
  animation: load-progress 1.5s ease-in-out infinite;
}
@keyframes load-progress {
  0%   { width: 0%; }
  50%  { width: 70%; }
  100% { width: 100%; }
}
.istep-loading-text {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: pulse-text 1.5s ease-in-out infinite;
}
@keyframes pulse-text { 0%,100%{opacity:.4} 50%{opacity:1} }

/* ══════════════════════════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════════════════════════ */
.istep-navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition);
}
.istep-navbar--scrolled {
  background: rgba(2,12,27,0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}
.istep-navbar-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; gap: 32px;
}
.istep-navbar-logo { flex-shrink: 0; display: flex; align-items: center; transition: opacity var(--transition); }
.istep-navbar-logo:hover { opacity: 0.85; }
.istep-navbar-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.istep-nav-btn {
  padding: 8px 16px;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-heading);
  color: var(--subtle);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  letter-spacing: 0.02em;
}
.istep-nav-btn:hover { color: var(--plasma); background: rgba(0,212,255,0.06); }
.istep-nav-cta {
  padding: 10px 22px;
  background: linear-gradient(135deg, var(--plasma), var(--violet));
  color: white;
  font-size: 0.875rem;
  font-weight: 700;
  font-family: var(--font-heading);
  border-radius: 50px;
  display: flex; align-items: center; gap: 8px;
  transition: all var(--transition);
  white-space: nowrap;
  box-shadow: 0 0 20px rgba(0,212,255,0.3);
}
.istep-nav-cta:hover { transform: translateY(-2px); box-shadow: 0 4px 30px rgba(0,212,255,0.5); }
.istep-nav-cta-arrow { transition: transform var(--transition); }
.istep-nav-cta:hover .istep-nav-cta-arrow { transform: translateX(4px); }
.istep-hamburger {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.istep-hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text); border-radius: 99px;
  transition: all var(--transition);
  transform-origin: center;
}
.istep-hamburger--open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.istep-hamburger--open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.istep-hamburger--open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.istep-mobile-menu {
  display: none;
  flex-direction: column; align-items: center; gap: 4px;
  padding: 12px 24px 20px;
  background: rgba(10,22,40,0.98);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  max-height: 0; overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition);
}
.istep-mobile-menu--open { max-height: 500px; }
.istep-mobile-link {
  padding: 12px 24px; width: 100%; text-align: center;
  font-size: 1rem; font-weight: 600;
  color: var(--subtle); border-radius: var(--radius-md);
  transition: all var(--transition);
}
.istep-mobile-link:hover { color: var(--plasma); background: rgba(0,212,255,0.06); }
.istep-nav-cta--mobile { margin-top: 12px; justify-content: center; }

@media (max-width: 900px) {
  .istep-navbar-links { display: none; }
  .istep-nav-cta:not(.istep-nav-cta--mobile) { display: none; }
  .istep-hamburger { display: flex; }
  .istep-mobile-menu { display: flex; }
}

/* ══════════════════════════════════════════════════════════════
   HERO SECTION
══════════════════════════════════════════════════════════════ */
.istep-hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,212,255,0.08) 0%, transparent 70%),
              radial-gradient(ellipse 60% 50% at 80% 80%, rgba(139,92,246,0.06) 0%, transparent 70%),
              var(--void);
}
.istep-hero-glow {
  position: absolute; border-radius: 50%;
  filter: blur(100px); pointer-events: none; z-index: 0;
}
.istep-hero-glow--1 {
  width: 600px; height: 600px; top: -100px; left: -100px;
  background: radial-gradient(circle, rgba(0,212,255,0.12) 0%, transparent 70%);
  animation: glow-float-1 8s ease-in-out infinite;
}
.istep-hero-glow--2 {
  width: 500px; height: 500px; top: 20%; right: -50px;
  background: radial-gradient(circle, rgba(139,92,246,0.1) 0%, transparent 70%);
  animation: glow-float-2 10s ease-in-out infinite;
}
.istep-hero-glow--3 {
  width: 400px; height: 400px; bottom: 0; left: 30%;
  background: radial-gradient(circle, rgba(245,158,11,0.06) 0%, transparent 70%);
  animation: glow-float-3 12s ease-in-out infinite;
}
@keyframes glow-float-1 { 0%,100%{transform:translate(0,0) scale(1)} 50%{transform:translate(40px,30px) scale(1.1)} }
@keyframes glow-float-2 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(-30px,40px)} }
@keyframes glow-float-3 { 0%,100%{transform:translate(0,0)} 33%{transform:translate(20px,-20px)} 66%{transform:translate(-10px,30px)} }

.istep-hero-content {
  position: relative; z-index: 1; text-align: center;
  max-width: 860px; padding: 120px 24px 80px;
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.istep-hero-content--visible { opacity: 1; transform: translateY(0); }

.istep-hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 18px;
  background: rgba(0,212,255,0.08);
  border: 1px solid rgba(0,212,255,0.25);
  border-radius: 50px;
  font-size: 0.8rem; font-weight: 700;
  font-family: var(--font-mono);
  color: var(--plasma);
  letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 28px;
}
.istep-badge-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--plasma);
  box-shadow: 0 0 8px var(--plasma);
  animation: blink 1.5s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.4;transform:scale(0.8)} }

.istep-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 24px;
}
.istep-hero-word {
  display: inline-block;
  opacity: 0; transform: translateY(20px);
  animation: word-reveal 0.6s ease forwards;
}
@keyframes word-reveal { to { opacity:1; transform:translateY(0); } }

.istep-hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--subtle);
  line-height: 1.7;
  max-width: 640px; margin: 0 auto 40px;
}
.istep-hero-actions { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }

.istep-btn-primary-glow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--plasma), var(--violet));
  color: white; font-size: 1rem; font-weight: 700;
  font-family: var(--font-heading);
  border-radius: 50px;
  transition: all var(--transition);
  box-shadow: 0 0 30px rgba(0,212,255,0.35), 0 4px 20px rgba(0,0,0,0.3);
  position: relative; overflow: hidden;
}
.istep-btn-primary-glow::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0; transition: opacity var(--transition);
}
.istep-btn-primary-glow:hover { transform: translateY(-3px); box-shadow: 0 0 50px rgba(0,212,255,0.5), 0 8px 30px rgba(0,0,0,0.4); }
.istep-btn-primary-glow:hover::before { opacity: 1; }

.istep-btn-outline-glow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 32px;
  border: 1.5px solid rgba(0,212,255,0.4);
  color: var(--plasma); font-size: 1rem; font-weight: 700;
  font-family: var(--font-heading);
  border-radius: 50px;
  transition: all var(--transition);
  background: rgba(0,212,255,0.04);
}
.istep-btn-outline-glow:hover { background: rgba(0,212,255,0.1); border-color: var(--plasma); transform: translateY(-3px); box-shadow: 0 0 20px rgba(0,212,255,0.2); }

.istep-hero-pills { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.istep-pill {
  padding: 6px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 50px;
  font-size: 0.8rem; font-weight: 600;
  color: var(--subtle);
  transition: all var(--transition);
}
.istep-pill:hover { color: var(--plasma); border-color: rgba(0,212,255,0.3); background: rgba(0,212,255,0.06); }

.istep-hero-scroll-hint {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--muted); font-size: 0.75rem; letter-spacing: 0.1em;
  animation: scroll-bounce 2s ease-in-out infinite;
}
.istep-scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--plasma), transparent);
}
@keyframes scroll-bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(8px)} }

/* ══════════════════════════════════════════════════════════════
   MARQUEE
══════════════════════════════════════════════════════════════ */
.istep-marquee-wrap {
  overflow: hidden;
  background: linear-gradient(135deg, rgba(0,212,255,0.06), rgba(139,92,246,0.06));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.istep-marquee-track {
  display: flex; align-items: center; gap: 0;
  animation: marquee-scroll 30s linear infinite;
  width: max-content;
}
.istep-marquee-item {
  padding: 0 40px;
  font-size: 0.875rem; font-weight: 700;
  font-family: var(--font-heading);
  color: var(--subtle);
  white-space: nowrap;
  letter-spacing: 0.05em;
  border-right: 1px solid rgba(255,255,255,0.06);
  transition: color var(--transition);
}
.istep-marquee-item:hover { color: var(--plasma); }
@keyframes marquee-scroll { from{transform:translateX(0)} to{transform:translateX(-50%)} }

/* ══════════════════════════════════════════════════════════════
   SECTIONS BASE
══════════════════════════════════════════════════════════════ */
.istep-section { padding: 100px 0; position: relative; }
@media (max-width: 768px) { .istep-section { padding: 64px 0; } }

.istep-section-header { text-align: center; margin-bottom: 64px; opacity: 0; transform: translateY(24px); transition: all 0.7s ease; }
.istep-section-header--visible { opacity: 1; transform: translateY(0); }

.istep-section-eyebrow {
  display: inline-block;
  font-size: 0.75rem; font-weight: 800;
  font-family: var(--font-mono);
  color: var(--plasma);
  letter-spacing: 0.2em; text-transform: uppercase;
  margin-bottom: 16px;
  padding: 4px 12px;
  border: 1px solid rgba(0,212,255,0.3);
  border-radius: 50px;
  background: rgba(0,212,255,0.05);
}
.istep-section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text);
}
.istep-section-desc {
  font-size: 1.05rem; color: var(--subtle);
  max-width: 580px; margin: 0 auto;
  line-height: 1.75;
}

/* ══════════════════════════════════════════════════════════════
   SERVICES SECTION
══════════════════════════════════════════════════════════════ */
.istep-section-services { background: var(--deep); }
.istep-services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}
@media (max-width: 768px) { .istep-services-grid { grid-template-columns: 1fr; } }

.istep-service-card {
  position: relative; border-radius: var(--radius-lg);
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease, box-shadow var(--transition);
}
.istep-service-card--visible { opacity: 1; transform: translateY(0); }
.istep-service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.istep-service-card:hover .istep-service-card-border { opacity: 1; }

.istep-service-card-border {
  position: absolute; inset: 0; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--grad-from, #00D4FF), var(--grad-to, #7B2FBE));
  padding: 1.5px; opacity: 0.3;
  transition: opacity var(--transition);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  pointer-events: none;
}

.istep-service-card-inner {
  background: var(--surface);
  border-radius: calc(var(--radius-lg) - 1px);
  padding: 36px 32px;
  height: 100%; display: flex; flex-direction: column; gap: 16px;
  position: relative; overflow: hidden;
}
.istep-service-card-inner::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--grad-from, #00D4FF), var(--grad-to, #7B2FBE));
  opacity: 0; transition: opacity var(--transition);
}
.istep-service-card:hover .istep-service-card-inner::before { opacity: 1; }

.istep-service-icon-wrap {
  width: 64px; height: 64px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.istep-service-icon { font-size: 2rem; }
.istep-service-title {
  font-family: var(--font-heading); font-size: 1.4rem; font-weight: 800;
  color: var(--text);
}
.istep-service-subtitle { font-size: 0.875rem; color: var(--plasma); font-weight: 600; font-family: var(--font-mono); }
.istep-service-desc { font-size: 0.95rem; color: var(--subtle); line-height: 1.7; flex: 1; }
.istep-service-features { display: flex; flex-direction: column; gap: 8px; }
.istep-service-feature { display: flex; align-items: center; gap: 10px; font-size: 0.875rem; color: var(--text); }
.istep-feature-check { font-weight: 900; font-size: 0.75rem; flex-shrink: 0; }
.istep-service-gradient-bar { height: 3px; border-radius: 99px; margin-top: 8px; opacity: 0.6; }

/* ══════════════════════════════════════════════════════════════
   ABOUT SECTION
══════════════════════════════════════════════════════════════ */
.istep-section-about { background: var(--void); }
.istep-about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
  opacity: 0; transform: translateY(30px); transition: all 0.8s ease;
}
.istep-about-grid--visible { opacity: 1; transform: translateY(0); }
@media (max-width: 900px) { .istep-about-grid { grid-template-columns: 1fr; gap: 48px; } }
.istep-about-content { display: flex; flex-direction: column; gap: 20px; }
.istep-about-para { color: var(--subtle); line-height: 1.8; font-size: 1rem; }
.istep-mission-box {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 20px 24px;
  background: linear-gradient(135deg, rgba(0,212,255,0.06), rgba(139,92,246,0.06));
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.istep-mission-icon { font-size: 1.5rem; flex-shrink: 0; }
.istep-mission-box strong { display: block; font-family: var(--font-heading); color: var(--plasma); margin-bottom: 6px; }
.istep-mission-box p { color: var(--subtle); font-size: 0.9rem; line-height: 1.6; }

.istep-about-stats { position: relative; }
.istep-stats-grid-2 {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  position: relative; z-index: 1;
}
.istep-stat-card-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 20px; text-align: center;
  transition: all var(--transition);
  animation: stat-card-in 0.6s ease both;
}
@keyframes stat-card-in { from{opacity:0;transform:scale(0.9)} to{opacity:1;transform:scale(1)} }
.istep-stat-card-item:hover { border-color: rgba(0,212,255,0.3); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.istep-stat-icon { font-size: 1.5rem; margin-bottom: 8px; }
.istep-stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem; font-weight: 900;
  background: linear-gradient(135deg, var(--plasma), var(--violet));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; margin-bottom: 6px;
}
.istep-stat-label { font-size: 0.8rem; color: var(--muted); font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; }

.istep-about-decoration {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 300px; height: 300px;
  display: flex; align-items: center; justify-content: center;
  pointer-events: none; opacity: 0.15; z-index: 0;
}
.istep-deco-ring {
  position: absolute; border-radius: 50%;
  border: 1px solid var(--plasma);
  animation: ring-rotate linear infinite;
}
.istep-deco-ring--1 { width: 280px; height: 280px; animation-duration: 20s; border-style: dashed; }
.istep-deco-ring--2 { width: 200px; height: 200px; animation-duration: 15s; animation-direction: reverse; }
.istep-deco-ring--3 { width: 120px; height: 120px; animation-duration: 10s; border-color: var(--violet); }
@keyframes ring-rotate { from{transform:rotate(0deg)} to{transform:rotate(360deg)} }
.istep-deco-center {
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 900;
  color: var(--plasma); letter-spacing: 0.1em;
}

/* ══════════════════════════════════════════════════════════════
   WHY US SECTION
══════════════════════════════════════════════════════════════ */
.istep-section-whyus { background: var(--deep); overflow: hidden; }
.istep-whyus-bg-mesh {
  position: absolute; inset: 0; opacity: 0.03;
  background-image:
    linear-gradient(rgba(0,212,255,.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,.5) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.istep-whyus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr); gap: 24px;
}
@media (max-width: 900px) { .istep-whyus-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .istep-whyus-grid { grid-template-columns: 1fr; } }

.istep-whyus-card {
  position: relative;
  padding: 32px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease, border-color var(--transition), box-shadow var(--transition);
}
.istep-whyus-card--visible { opacity: 1; transform: translateY(0); }
.istep-whyus-card:hover { border-color: rgba(0,212,255,0.3); box-shadow: 0 8px 40px rgba(0,0,0,0.4), 0 0 20px rgba(0,212,255,0.08); }
.istep-whyus-card:hover .istep-whyus-number { opacity: 0.08; }
.istep-whyus-icon { font-size: 2.5rem; margin-bottom: 16px; display: block; }
.istep-whyus-title { font-family: var(--font-heading); font-size: 1.15rem; font-weight: 800; color: var(--text); margin-bottom: 10px; }
.istep-whyus-desc { font-size: 0.9rem; color: var(--subtle); line-height: 1.7; }
.istep-whyus-number {
  position: absolute; bottom: 16px; right: 20px;
  font-family: var(--font-display); font-size: 5rem; font-weight: 900;
  color: var(--plasma); opacity: 0.04;
  transition: opacity var(--transition);
  line-height: 1; pointer-events: none; user-select: none;
}

/* ══════════════════════════════════════════════════════════════
   TECH SECTION
══════════════════════════════════════════════════════════════ */
.istep-section-tech { background: var(--void); }
.istep-tech-grid { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.istep-tech-pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 0.875rem; font-weight: 700;
  font-family: var(--font-heading);
  color: var(--text);
  opacity: 0; transform: scale(0.9);
  transition: opacity 0.4s ease, transform 0.4s ease, border-color var(--transition), box-shadow var(--transition), color var(--transition);
}
.istep-tech-pill--visible { opacity: 1; transform: scale(1); }
.istep-tech-pill:hover {
  border-color: var(--tech-color, var(--plasma));
  color: var(--tech-color, var(--plasma));
  box-shadow: 0 0 16px color-mix(in srgb, var(--tech-color, var(--plasma)) 30%, transparent);
}
.istep-tech-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

/* ══════════════════════════════════════════════════════════════
   TESTIMONIALS
══════════════════════════════════════════════════════════════ */
.istep-section-testimonials {
  background: linear-gradient(180deg, var(--deep) 0%, var(--void) 100%);
}
.istep-testimonial-wrapper {
  position: relative; display: flex; align-items: center; gap: 24px;
}
.istep-t-nav {
  flex-shrink: 0; width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text); font-size: 1.5rem;
  transition: all var(--transition);
  display: flex; align-items: center; justify-content: center;
  z-index: 2;
}
.istep-t-nav:hover { background: var(--plasma); color: var(--void); border-color: var(--plasma); }
@media (max-width: 600px) { .istep-t-nav { display: none; } }

.istep-testimonial-viewport { flex: 1; position: relative; min-height: 340px; }
.istep-testimonial-card {
  position: absolute; inset: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 40px 36px;
  display: flex; flex-direction: column; gap: 20px;
  opacity: 0; transform: translateX(40px) scale(0.97);
  transition: all 0.5s cubic-bezier(0.4,0,0.2,1);
  pointer-events: none;
}
.istep-testimonial-card--active {
  opacity: 1; transform: translateX(0) scale(1);
  pointer-events: all; position: relative;
}
.istep-testimonial-card--prev { transform: translateX(-40px) scale(0.97); }
.istep-quote-icon {
  font-size: 5rem; line-height: 1;
  font-family: Georgia, serif;
  background: linear-gradient(135deg, var(--plasma), var(--violet));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-top: -20px; margin-bottom: -20px;
  user-select: none;
}
.istep-stars { color: var(--gold); font-size: 1.1rem; letter-spacing: 2px; }
.istep-testimonial-content {
  font-size: 1.05rem; color: var(--text); line-height: 1.8;
  font-style: italic; flex: 1;
}
.istep-testimonial-author { display: flex; align-items: center; gap: 16px; margin-top: auto; }
.istep-author-avatar {
  width: 52px; height: 52px; border-radius: 50%;
  background: linear-gradient(135deg, var(--plasma), var(--violet));
  overflow: hidden; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 900; color: white;
}
.istep-author-avatar img { width: 100%; height: 100%; object-fit: cover; }
.istep-author-info strong { display: block; font-family: var(--font-heading); font-size: 1rem; font-weight: 800; color: var(--text); }
.istep-author-info span { font-size: 0.8rem; color: var(--muted); }

.istep-t-dots { display: flex; justify-content: center; gap: 8px; margin-top: 32px; }
.istep-t-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--surface); border: 1px solid var(--border);
  transition: all var(--transition);
}
.istep-t-dot--active { background: var(--plasma); border-color: var(--plasma); width: 24px; border-radius: 4px; }

/* ══════════════════════════════════════════════════════════════
   CONTACT SECTION
══════════════════════════════════════════════════════════════ */
.istep-section-contact { background: var(--deep); }
.istep-contact-bg-glow {
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 800px; height: 400px;
  background: radial-gradient(ellipse, rgba(0,212,255,0.05) 0%, transparent 70%);
  pointer-events: none;
}
.istep-contact-grid {
  display: grid; grid-template-columns: 1fr 1.6fr; gap: 60px; align-items: start;
}
@media (max-width: 900px) { .istep-contact-grid { grid-template-columns: 1fr; } }

.istep-contact-info { display: flex; flex-direction: column; gap: 28px; }
.istep-contact-info-title { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 800; color: var(--text); }
.istep-contact-items { display: flex; flex-direction: column; gap: 20px; }
.istep-contact-item { display: flex; gap: 16px; align-items: flex-start; }
.istep-contact-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 2px; }
.istep-contact-item div { display: flex; flex-direction: column; gap: 3px; }
.istep-contact-item strong { font-family: var(--font-heading); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--plasma); }
.istep-contact-item a, .istep-contact-item span { font-size: 0.95rem; color: var(--subtle); }
.istep-contact-item a:hover { color: var(--plasma); }
.istep-contact-socials { display: flex; gap: 12px; flex-wrap: wrap; }
.istep-social-btn {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; font-weight: 800;
  color: var(--subtle);
  transition: all var(--transition);
}
.istep-social-btn:hover { background: var(--plasma); color: var(--void); border-color: var(--plasma); transform: translateY(-3px); }

.istep-contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  display: flex; flex-direction: column; gap: 20px;
}
@media (max-width: 600px) { .istep-contact-form { padding: 28px 20px; } }
.istep-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .istep-form-row { grid-template-columns: 1fr; } }
.istep-field { display: flex; flex-direction: column; gap: 8px; }
.istep-field label { font-size: 0.8rem; font-weight: 700; color: var(--subtle); text-transform: uppercase; letter-spacing: 0.08em; }
.istep-field input, .istep-field textarea {
  padding: 12px 16px;
  background: var(--elevated);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-sm);
  color: var(--text); font-size: 0.95rem;
  transition: all var(--transition);
  resize: none;
}
.istep-field input:focus, .istep-field textarea:focus {
  outline: none;
  border-color: rgba(0,212,255,0.4);
  box-shadow: 0 0 0 3px rgba(0,212,255,0.08);
  background: var(--surface);
}
.istep-field input::placeholder, .istep-field textarea::placeholder { color: var(--muted); }
.istep-form-success { padding: 14px 18px; background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3); border-radius: var(--radius-sm); color: var(--emerald); font-size: 0.9rem; font-weight: 600; }
.istep-form-error   { padding: 14px 18px; background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3);  border-radius: var(--radius-sm); color: #F87171; font-size: 0.9rem; font-weight: 600; }

.istep-form-submit {
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--plasma), var(--violet));
  color: white; font-size: 1rem; font-weight: 700;
  font-family: var(--font-heading);
  border-radius: 50px;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  transition: all var(--transition);
  box-shadow: 0 0 20px rgba(0,212,255,0.25);
}
.istep-form-submit:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 4px 30px rgba(0,212,255,0.4); }
.istep-form-submit:disabled { opacity: 0.7; cursor: not-allowed; }
.istep-spinner {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  animation: spin 0.8s linear infinite; flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ══════════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════════ */
.istep-footer { background: #010812; border-top: 1px solid var(--border); }
.istep-footer-top { padding: 80px 0 60px; }
.istep-footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; }
@media (max-width: 900px) { .istep-footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .istep-footer-grid { grid-template-columns: 1fr; } }

.istep-footer-brand { display: flex; flex-direction: column; gap: 16px; }
.istep-footer-brand p { font-size: 0.9rem; color: var(--muted); line-height: 1.7; }
.istep-footer-socials { display: flex; gap: 10px; flex-wrap: wrap; }
.istep-f-social {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 900;
  color: var(--muted);
  transition: all var(--transition);
}
.istep-f-social:hover { background: var(--plasma); color: var(--void); border-color: var(--plasma); transform: translateY(-2px); }

.istep-footer-col h4 { font-family: var(--font-heading); font-size: 0.85rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text); margin-bottom: 20px; }
.istep-footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.istep-footer-col li button { font-size: 0.875rem; color: var(--muted); transition: color var(--transition); text-align: left; }
.istep-footer-col li button:hover { color: var(--plasma); }
.istep-footer-contact { display: flex; flex-direction: column; gap: 14px; }
.istep-f-contact-item { display: flex; gap: 10px; align-items: flex-start; font-size: 0.85rem; }
.istep-f-contact-item span:first-child { flex-shrink: 0; }
.istep-f-contact-item a, .istep-f-contact-item span:last-child { color: var(--muted); word-break: break-word; }
.istep-f-contact-item a:hover { color: var(--plasma); }

.istep-footer-bottom {
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.04);
}
.istep-footer-bottom .istep-container { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.istep-footer-bottom p { font-size: 0.8rem; color: var(--muted); }

/* ══════════════════════════════════════════════════════════════
   BACK TO TOP
══════════════════════════════════════════════════════════════ */
.istep-back-top {
  position: fixed; bottom: 32px; right: 32px; z-index: 999;
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--plasma), var(--violet));
  color: white; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(16px) scale(0.8);
  transition: all var(--transition);
  box-shadow: 0 4px 20px rgba(0,212,255,0.35);
  pointer-events: none;
}
.istep-back-top--visible { opacity: 1; transform: translateY(0) scale(1); pointer-events: all; }
.istep-back-top:hover { transform: translateY(-4px) scale(1.08); box-shadow: 0 8px 30px rgba(0,212,255,0.5); }

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE TWEAKS
══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .istep-hero-title { font-size: 2rem; }
  .istep-section-title { font-size: 1.8rem; }
  .istep-about-decoration { display: none; }
  .istep-stats-grid-2 { grid-template-columns: 1fr 1fr; }
  .istep-testimonial-card { padding: 32px 24px; }
  .istep-back-top { bottom: 20px; right: 20px; width: 40px; height: 40px; font-size: 0.9rem; }
}

/* ── Utility: Fade up for generic elements ───────────────────── */
@keyframes fade-up { from{opacity:0;transform:translateY(30px)} to{opacity:1;transform:translateY(0)} }
@keyframes fade-in { from{opacity:0} to{opacity:1} }

/* ── Scrollbar ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--void); }
::-webkit-scrollbar-thumb { background: var(--surface); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,212,255,0.3); }

/* ── Selection ───────────────────────────────────────────────── */
::selection { background: rgba(0,212,255,0.25); color: var(--text); }