/* ============================================================
   RISONSOFT — DESIGN TOKENS
   ============================================================ */
:root {
  --bg-base:      #050B18;
  --bg-card:      #0C1426;
  --bg-card-hover:#101D36;
  --bg-alt:       #080E1E;
  --accent:       #00D4FF;
  --accent-dim:   rgba(0, 212, 255, 0.12);
  --accent-glow:  rgba(0, 212, 255, 0.25);
  --green:        #00FF88;
  --yellow:       #FFD600;
  --red:          #FF4757;
  --border:       rgba(255,255,255,0.07);
  --border-accent:rgba(0, 212, 255, 0.3);
  --text-primary: #F0F4FF;
  --text-muted:   #7A8BAA;
  --text-dim:     #4A5A7A;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;
  --radius-sm:    6px;
  --radius-md:    12px;
  --radius-lg:    20px;
  --shadow:       0 4px 32px rgba(0,0,0,0.5);
  --shadow-accent:0 4px 32px rgba(0, 212, 255, 0.15);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; }
img { max-width: 100%; }
ul { list-style: none; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.4rem, 5.5vw, 4.2rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.2rem; font-weight: 600; }
h4 { font-size: 1.05rem; font-weight: 600; }
p  { color: var(--text-muted); line-height: 1.7; }

.accent-text { color: var(--accent); }
.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 20px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
  text-decoration: none;
}
.btn-sm { padding: 8px 18px; font-size: 0.82rem; }
.btn-primary {
  background: var(--accent);
  color: #050B18;
  font-weight: 600;
  box-shadow: 0 0 20px rgba(0,212,255,0.3);
}
.btn-primary:hover {
  background: #22DEFF;
  box-shadow: 0 0 32px rgba(0,212,255,0.5);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--border-accent);
  color: var(--accent);
  background: var(--accent-dim);
}
.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(5, 11, 24, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: border-color 0.3s;
}
.nav.scrolled { border-bottom-color: var(--border-accent); }
.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 64px;
  padding: 0 24px;
  max-width: 1160px;
  margin: 0 auto;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
  margin-right: auto;
}
.logo-mark {
  width: 34px; height: 34px;
  background: var(--accent);
  color: #050B18;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  letter-spacing: -0.05em;
}
.logo-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}
.nav-links {
  display: flex; gap: 8px;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  text-decoration: none;
}
.nav-links a:hover { color: var(--text-primary); background: var(--bg-card); }
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: 0.3s;
}
.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 12px 24px 20px;
  border-top: 1px solid var(--border);
}
.nav-mobile a {
  padding: 10px 0;
  color: var(--text-muted);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}
.nav-mobile.open { display: flex; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-grid-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}
.hero-glow {
  position: absolute;
  top: -100px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 500px;
  background: radial-gradient(ellipse, rgba(0,212,255,0.12) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
}
.hero-inner {
  position: relative; z-index: 1;
  display: flex; flex-direction: column;
  align-items: flex-start;
  gap: 28px;
  max-width: 760px;
}
.hero-badge {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--green);
  background: rgba(0,255,136,0.08);
  border: 1px solid rgba(0,255,136,0.2);
  padding: 6px 14px; border-radius: 100px;
}
.pulse-dot {
  width: 7px; height: 7px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}
.hero-title { color: var(--text-primary); }
.hero-sub { font-size: 1.1rem; max-width: 540px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-scroll-hint {
  position: absolute;
  bottom: 36px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.15em;
  color: var(--text-dim); text-transform: uppercase;
  animation: scrollHint 2s ease-in-out infinite;
  z-index: 1;
}
@keyframes scrollHint {
  0%, 100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.8; transform: translateX(-50%) translateY(4px); }
}
.scroll-arrow {
  width: 18px; height: 18px;
  border-right: 1.5px solid var(--text-dim);
  border-bottom: 1.5px solid var(--text-dim);
  transform: rotate(45deg);
}

/* Terminal */
.terminal {
  width: 100%;
  max-width: 640px;
  background: #070D1A;
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 0 60px rgba(0,212,255,0.1), var(--shadow);
  font-family: var(--font-mono);
}
.terminal-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 10px 16px;
  background: #0C1426;
  border-bottom: 1px solid var(--border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red    { background: #FF4757; }
.dot.yellow { background: #FFD600; }
.dot.green  { background: var(--green); }
.terminal-title {
  margin-left: 8px;
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}
.terminal-body { padding: 20px; min-height: 100px; }
.t-line { display: flex; align-items: center; gap: 8px; }
.t-prompt { color: var(--accent); font-size: 0.88rem; }
.t-cmd { color: var(--text-primary); font-size: 0.88rem; }
.cursor {
  color: var(--accent);
  font-size: 0.88rem;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%,100% { opacity:1; } 50% { opacity:0; } }
.t-output {
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.8;
  white-space: pre-wrap;
}
.t-success { color: var(--green); }
.t-warn    { color: var(--yellow); }
.t-info    { color: var(--accent); }

/* ============================================================
   STATS BAR
   ============================================================ */
.stats-bar {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 24px;
  gap: 24px;
  flex-wrap: wrap;
}
.stat-item {
  display: flex; flex-direction: column;
  align-items: center; gap: 4px;
  flex: 1;
  min-width: 120px;
}
.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
}
.stat-unit {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-transform: uppercase;
  text-align: center;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  flex-shrink: 0;
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-head {
  text-align: center;
  margin-bottom: 64px;
}
.section-title { color: var(--text-primary); }
.section-sub {
  max-width: 500px;
  margin: 16px auto 0;
  font-size: 1rem;
}

/* ============================================================
   SERVICES GRID
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex; flex-direction: column; gap: 14px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.6s ease forwards;
}
.service-card::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at top left, var(--accent-dim), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}
.service-card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
}
.service-card:hover::before { opacity: 1; }
.service-card.featured {
  border-color: var(--border-accent);
  background: linear-gradient(135deg, #0C1426 0%, #0A1830 100%);
  box-shadow: 0 0 40px rgba(0,212,255,0.1);
}
.featured-badge {
  position: absolute;
  top: 16px; right: 16px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  padding: 3px 10px;
  border-radius: 100px;
}
.card-icon {
  width: 48px; height: 48px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}
.service-card h3 { color: var(--text-primary); }
.service-card p { font-size: 0.9rem; }
.card-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 4px;
}
.card-tags li {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  padding: 3px 9px;
  border-radius: 100px;
}
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   PROCESS
   ============================================================ */
.process-track {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 680px;
  margin: 0 auto;
}
.process-line {
  position: absolute;
  left: 24px; top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}
.process-step {
  display: flex; align-items: flex-start; gap: 28px;
  padding: 0 0 48px 0;
  position: relative;
}
.step-node {
  width: 48px; height: 48px;
  flex-shrink: 0;
  border: 2px solid var(--border-accent);
  border-radius: 50%;
  background: var(--bg-base);
  position: relative;
  display: flex; align-items: center; justify-content: center;
  z-index: 1;
}
.step-node::after {
  content: attr(data-step);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  font-weight: 500;
}
.process-step:nth-child(2) .step-node::after { content: '01'; }
.process-step:nth-child(3) .step-node::after { content: '02'; }
.process-step:nth-child(4) .step-node::after { content: '03'; }
.process-step:nth-child(5) .step-node::after { content: '04'; }
.step-content {
  padding: 10px 0;
}
.step-content h4 { color: var(--text-primary); margin-bottom: 8px; }
.step-content p { font-size: 0.9rem; }

/* ============================================================
   STACK GRID
   ============================================================ */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.stack-category { display: flex; flex-direction: column; gap: 12px; }
.stack-cat-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}
.stack-items { display: flex; flex-wrap: wrap; gap: 8px; }
.stack-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  cursor: default;
}
.stack-pill:hover {
  border-color: var(--border-accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ============================================================
   METRICS
   ============================================================ */
.metrics-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 20px;
}
.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.2s;
}
.metric-card:hover { border-color: var(--border-accent); }
.metric-card.big { border-color: var(--border-accent); }
.metric-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.metric-value { display: flex; align-items: baseline; gap: 4px; }
.metric-big {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
}
.metric-unit {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-muted);
}
.metric-bar-wrap {
  height: 4px;
  background: var(--border);
  border-radius: 100px;
  overflow: hidden;
}
.metric-bar {
  height: 100%;
  width: var(--fill);
  background: linear-gradient(90deg, var(--accent), var(--green));
  border-radius: 100px;
  animation: fillBar 2s ease-out;
}
@keyframes fillBar {
  from { width: 0; }
  to { width: var(--fill); }
}
.metric-note {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--green);
}
.metric-desc { font-size: 0.85rem; }
.green-dot {
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
  display: inline-block;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-section { background: var(--bg-alt); }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}
.contact-left { display: flex; flex-direction: column; gap: 20px; }
.contact-left h2 { color: var(--text-primary); }
.contact-left p { font-size: 0.95rem; }
.contact-details { display: flex; flex-direction: column; gap: 14px; margin-top: 8px; }
.contact-detail-item {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.9rem;
}
.contact-icon {
  width: 34px; height: 34px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
  color: var(--accent);
  flex-shrink: 0;
}
.contact-detail-item a { color: var(--text-muted); transition: color 0.2s; }
.contact-detail-item a:hover { color: var(--accent); }
.contact-detail-item span:last-child { color: var(--text-muted); }

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dim);
}
.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 7L11 1' stroke='%234A5A7A' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}
.form-group select option { background: var(--bg-card); color: var(--text-primary); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--border-accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-success {
  display: flex; align-items: center; gap: 10px;
  background: rgba(0,255,136,0.08);
  border: 1px solid rgba(0,255,136,0.2);
  color: var(--green);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.88rem;
}
.hidden { display: none; }
.btn-loader { display: none; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: #030912; border-top: 1px solid var(--border); }
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  padding: 60px 24px 48px;
  max-width: 1160px;
  margin: 0 auto;
}
.footer-brand { display: flex; flex-direction: column; gap: 16px; }
.footer-brand p { font-size: 0.88rem; max-width: 260px; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.footer-col a {
  color: var(--text-muted);
  font-size: 0.88rem;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 16px 0;
}
.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}
.footer-status { display: flex; align-items: center; gap: 7px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .metric-card.big { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .stack-grid { grid-template-columns: 1fr 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 680px) {
  .nav-links, .nav .btn-sm { display: none; }
  .nav-hamburger { display: flex; }
  .services-grid { grid-template-columns: 1fr; }
  .stack-grid { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: 1fr; }
  .metric-card.big { grid-column: auto; }
  .form-row { grid-template-columns: 1fr; }
  .stats-inner { justify-content: center; }
  .stat-divider { display: none; }
  .hero-inner { align-items: center; text-align: center; }
  .hero-ctas { justify-content: center; }
  .hero-sub { text-align: center; }
  .terminal { max-width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}