/* CodeByTech Solutions — Main Stylesheet
 * https://www.codesbytech.com
 * Version: 1.0.0
 */

/* ============================================================
   RESET & VARIABLES
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-0:       #04080F;
  --bg-1:       #070D1A;
  --bg-2:       #0B1525;
  --bg-3:       #0F1D32;
  --bg-card:    #0D1928;
  --border:     rgba(255,255,255,0.06);
  --border-md:  rgba(255,255,255,0.10);
  --accent:     #0A84FF;
  --accent-2:   #3ECFB2;
  --accent-3:   #F5A623;
  --accent-4:   #8B7EF8;
  --text-1:     #F0F6FF;
  --text-2:     #8BA8C4;
  --text-3:     #3A5470;
  --font-head:  'Syne', sans-serif;
  --font-body:  'DM Sans', sans-serif;
  --font-mono:  'DM Mono', monospace;
  --r-sm:       6px;
  --r-md:       10px;
  --r-lg:       16px;
  --r-xl:       24px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-0);
  color: var(--text-1);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ============================================================
   SCROLLBAR
============================================================ */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }

/* ============================================================
   UTILITY
============================================================ */
.container { max-width: 1180px; margin: 0 auto; padding: 0 32px; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.eyebrow-line { width: 28px; height: 1.5px; background: var(--accent); flex-shrink: 0; }
.eyebrow-text { font-family: var(--font-mono); font-size: 11px; color: var(--accent); letter-spacing: 0.14em; text-transform: uppercase; }
.section-title { font-family: var(--font-head); font-size: clamp(28px, 4vw, 40px); font-weight: 700; color: var(--text-1); margin-bottom: 12px; line-height: 1.15; letter-spacing: -0.02em; }
.section-sub { font-size: 15px; color: var(--text-2); max-width: 520px; line-height: 1.75; margin-bottom: 48px; }
.tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(10,132,255,0.08); border: 0.5px solid rgba(10,132,255,0.25); color: #5AABFF; border-radius: 4px; padding: 4px 12px; font-size: 11px; font-family: var(--font-mono); letter-spacing: 0.06em; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px; border-radius: var(--r-md); font-size: 14px; font-weight: 500; font-family: var(--font-body); cursor: pointer; text-decoration: none; transition: var(--transition); border: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #2094FF; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--text-2); border: 0.5px solid var(--border-md); }
.btn-outline:hover { background: rgba(255,255,255,0.04); color: var(--text-1); border-color: rgba(255,255,255,0.2); }
.dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }

/* ============================================================
   TOPBAR
============================================================ */
#topbar {
  background: var(--bg-0);
  border-bottom: 0.5px solid var(--border);
  padding: 8px 0;
}
#topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.topbar-left { display: flex; align-items: center; gap: 8px; font-size: 11px; color: var(--text-3); font-family: var(--font-mono); }
.topbar-left i { color: var(--accent-2); font-size: 10px; }
.topbar-right { display: flex; gap: 20px; }
.topbar-right a { font-size: 11px; color: var(--text-3); text-decoration: none; font-family: var(--font-mono); transition: var(--transition); }
.topbar-right a:hover { color: var(--accent); }

/* ============================================================
   NAVBAR
============================================================ */
#navbar {
  background: rgba(7,13,26,0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 0.5px solid var(--border);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}
#navbar.scrolled { background: rgba(4,8,15,0.98); box-shadow: 0 1px 40px rgba(0,0,0,0.5); }
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-mark {
  width: 36px; height: 36px;
  background: var(--accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}
.logo-mark i { color: #fff; font-size: 16px; }
.logo-text { line-height: 1.1; }
.logo-name { font-family: var(--font-head); font-size: 18px; font-weight: 800; color: var(--text-1); letter-spacing: -0.02em; }
.logo-sub { font-size: 9px; color: var(--text-3); letter-spacing: 0.14em; text-transform: uppercase; font-family: var(--font-mono); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 7px 14px;
  font-size: 13px;
  color: var(--text-2);
  text-decoration: none;
  border-radius: var(--r-sm);
  transition: var(--transition);
  font-weight: 400;
}
.nav-links a:hover, .nav-links a.active { color: var(--text-1); background: rgba(255,255,255,0.05); }
.nav-cta { margin-left: 12px; background: var(--accent); color: #fff; padding: 8px 18px; border-radius: var(--r-sm); font-size: 13px; font-weight: 500; text-decoration: none; transition: var(--transition); }
.nav-cta:hover { background: #2094FF; color: #fff; }
.hamburger { display: none; background: none; border: none; cursor: pointer; color: var(--text-2); font-size: 20px; padding: 8px; }
.mobile-menu { display: none; background: var(--bg-1); border-bottom: 0.5px solid var(--border); padding: 16px 0; }
.mobile-menu a { display: block; padding: 12px 32px; font-size: 14px; color: var(--text-2); text-decoration: none; transition: var(--transition); }
.mobile-menu a:hover { color: var(--text-1); background: rgba(255,255,255,0.04); }
.mobile-menu .m-cta { display: block; margin: 12px 32px; background: var(--accent); color: #fff; padding: 12px; border-radius: var(--r-sm); text-align: center; text-decoration: none; font-size: 14px; font-weight: 500; }

/* ============================================================
   HERO
============================================================ */
#hero {
  background: var(--bg-1);
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  align-items: center;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(10,132,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,132,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.glow-1 { width: 500px; height: 500px; background: rgba(10,132,255,0.08); top: -100px; right: -100px; }
.glow-2 { width: 300px; height: 300px; background: rgba(62,207,178,0.06); bottom: 0; left: 10%; }
.hero-content { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; position: relative; z-index: 1; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(10,132,255,0.08); border: 0.5px solid rgba(10,132,255,0.3); border-radius: 20px; padding: 6px 14px 6px 8px; margin-bottom: 24px; }
.badge-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:0.4;} }
.badge-text { font-size: 12px; color: #5AABFF; font-family: var(--font-mono); }
.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-1);
  margin-bottom: 20px;
}
.hero h1 .accent { color: var(--accent); }
.hero h1 .accent-2 { color: var(--accent-2); }
.hero-desc { font-size: 16px; color: var(--text-2); line-height: 1.8; margin-bottom: 36px; max-width: 480px; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-trust { border-top: 0.5px solid var(--border); padding-top: 24px; }
.trust-label { font-size: 11px; color: var(--text-3); letter-spacing: 0.08em; font-family: var(--font-mono); margin-bottom: 12px; }
.cert-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.cert-pill { background: var(--bg-3); border: 0.5px solid var(--border-md); border-radius: 4px; padding: 5px 12px; font-size: 11px; color: var(--text-2); font-family: var(--font-mono); transition: var(--transition); }
.cert-pill:hover { border-color: var(--accent); color: var(--accent); }
.hero-visual { position: relative; }
.hero-card-stack { position: relative; height: 420px; }
.h-card {
  position: absolute;
  background: var(--bg-card);
  border: 0.5px solid var(--border-md);
  border-radius: var(--r-lg);
  padding: 20px;
  transition: var(--transition);
}
.h-card:hover { transform: translateY(-4px); border-color: rgba(10,132,255,0.3); }
.hc-main { width: 320px; top: 40px; right: 0; }
.hc-2 { width: 220px; top: 0; left: 0; }
.hc-3 { width: 180px; bottom: 40px; left: 30px; }
.hc-4 { width: 160px; bottom: 0; right: 10px; }
.hc-title { font-family: var(--font-mono); font-size: 10px; color: var(--text-3); letter-spacing: 0.1em; margin-bottom: 10px; text-transform: uppercase; }
.hc-metric { font-family: var(--font-head); font-size: 32px; font-weight: 700; color: var(--text-1); }
.hc-metric .unit { font-size: 16px; color: var(--text-3); }
.hc-sub { font-size: 11px; color: var(--text-3); margin-top: 4px; }
.hc-bar { height: 3px; border-radius: 2px; margin-top: 12px; overflow: hidden; background: var(--border); }
.hc-bar-fill { height: 100%; border-radius: 2px; animation: barGrow 2s ease forwards; }
@keyframes barGrow { from{width:0} }
.hc-tech-list { display: flex; flex-direction: column; gap: 8px; }
.hc-tech-item { display: flex; align-items: center; justify-content: space-between; }
.hc-tech-name { font-size: 12px; color: var(--text-2); display: flex; align-items: center; gap: 6px; }
.hc-tech-lvl { font-family: var(--font-mono); font-size: 10px; color: var(--accent); }
.hc-cert { display: flex; flex-direction: column; gap: 6px; }
.cert-item { display: flex; align-items: center; gap: 8px; }
.cert-icon { width: 24px; height: 24px; border-radius: 4px; display: flex; align-items: center; justify-content: center; font-size: 10px; flex-shrink: 0; }
.cert-info p { font-size: 11px; color: var(--text-1); font-weight: 500; line-height: 1; }
.cert-info span { font-size: 10px; color: var(--text-3); }
.hc-status { display: flex; align-items: center; gap: 8px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); flex-shrink: 0; animation: pulse 2s infinite; }
.hc-status p { font-size: 13px; color: var(--text-1); font-weight: 500; }
.hc-status span { font-size: 11px; color: var(--text-3); display: block; }

/* ============================================================
   METRICS STRIP
============================================================ */
#metrics {
  background: var(--bg-0);
  border-top: 0.5px solid var(--border);
  border-bottom: 0.5px solid var(--border);
}
.metrics-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.metric-item {
  padding: 36px 24px;
  text-align: center;
  border-right: 0.5px solid var(--border);
  transition: var(--transition);
}
.metric-item:last-child { border-right: none; }
.metric-item:hover { background: rgba(255,255,255,0.02); }
.metric-num { font-family: var(--font-head); font-size: 40px; font-weight: 800; color: var(--accent); line-height: 1; letter-spacing: -0.02em; }
.metric-num .plus { font-size: 24px; color: var(--accent); opacity: 0.6; }
.metric-label { font-size: 12px; color: var(--text-3); margin-top: 6px; letter-spacing: 0.06em; font-family: var(--font-mono); }

/* ============================================================
   SERVICES
============================================================ */
#services { background: var(--bg-1); padding: 100px 0; }
.services-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1px; background: var(--border); border: 0.5px solid var(--border); border-radius: var(--r-xl); overflow: hidden; }
.service-card {
  background: var(--bg-1);
  padding: 40px 36px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  opacity: 0;
  transition: var(--transition);
}
.service-card:hover { background: var(--bg-2); }
.service-card:hover::before { opacity: 1; }
.sc-dev::before { background: var(--accent); }
.sc-design::before { background: var(--accent-2); }
.sc-telco::before { background: var(--accent-3); }
.sc-cloud::before { background: var(--accent-4); }
.sc-num { font-family: var(--font-mono); font-size: 11px; color: var(--text-3); letter-spacing: 0.12em; margin-bottom: 20px; }
.sc-icon { width: 48px; height: 48px; border-radius: var(--r-sm); display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 20px; }
.sc-icon-blue { background: rgba(10,132,255,0.1); color: var(--accent); }
.sc-icon-teal { background: rgba(62,207,178,0.1); color: var(--accent-2); }
.sc-icon-amber { background: rgba(245,166,35,0.1); color: var(--accent-3); }
.sc-icon-purple { background: rgba(139,126,248,0.1); color: var(--accent-4); }
.service-card h3 { font-family: var(--font-head); font-size: 20px; font-weight: 700; color: var(--text-1); margin-bottom: 12px; }
.service-card p { font-size: 14px; color: var(--text-2); line-height: 1.8; margin-bottom: 24px; }
.sc-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 24px; }
.sc-tag { background: rgba(255,255,255,0.04); border: 0.5px solid var(--border-md); border-radius: 4px; padding: 3px 10px; font-size: 11px; color: var(--text-3); font-family: var(--font-mono); }
.sc-arrow { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-3); transition: var(--transition); cursor: pointer; }
.service-card:hover .sc-arrow { color: var(--accent); gap: 10px; }

/* ============================================================
   STACK
============================================================ */
#stack { background: var(--bg-0); padding: 100px 0; }
.stack-layout { display: grid; grid-template-columns: 320px 1fr; gap: 80px; align-items: start; }
.stack-categories { display: flex; flex-direction: column; gap: 0; }
.stack-cat-btn {
  padding: 16px 20px;
  background: transparent;
  border: none;
  border-left: 2px solid var(--border);
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
  display: flex; align-items: center; gap: 12px;
}
.stack-cat-btn.active, .stack-cat-btn:hover { border-left-color: var(--accent); background: rgba(10,132,255,0.05); }
.stack-cat-btn .cat-icon { font-size: 16px; width: 20px; }
.stack-cat-btn .cat-name { font-size: 14px; color: var(--text-2); font-weight: 500; }
.stack-cat-btn.active .cat-name, .stack-cat-btn:hover .cat-name { color: var(--text-1); }
.stack-cat-btn .cat-count { font-family: var(--font-mono); font-size: 11px; color: var(--text-3); margin-left: auto; }
.stack-panel { display: none; }
.stack-panel.active { display: block; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:none} }
.stack-panel-title { font-family: var(--font-head); font-size: 22px; font-weight: 700; color: var(--text-1); margin-bottom: 8px; }
.stack-panel-desc { font-size: 14px; color: var(--text-2); margin-bottom: 32px; line-height: 1.7; }
.tech-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.tech-item {
  background: var(--bg-card);
  border: 0.5px solid var(--border);
  border-radius: var(--r-md);
  padding: 16px;
  display: flex; align-items: center; gap: 12px;
  transition: var(--transition);
  cursor: default;
}
.tech-item:hover { border-color: var(--border-md); background: var(--bg-2); transform: translateY(-2px); }
.tech-dot-wrap { width: 32px; height: 32px; border-radius: var(--r-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.tech-info p { font-size: 13px; color: var(--text-1); font-weight: 500; }
.tech-info span { font-size: 11px; color: var(--text-3); font-family: var(--font-mono); }
.certs-strip { margin-top: 40px; padding: 24px; background: var(--bg-card); border: 0.5px solid var(--border); border-radius: var(--r-lg); }
.certs-strip-label { font-size: 11px; color: var(--text-3); letter-spacing: 0.08em; font-family: var(--font-mono); margin-bottom: 14px; }
.certs-list { display: flex; flex-wrap: wrap; gap: 8px; }
.cert-chip { display: flex; align-items: center; gap: 6px; background: rgba(62,207,178,0.06); border: 0.5px solid rgba(62,207,178,0.2); border-radius: 4px; padding: 5px 12px; font-size: 12px; color: var(--accent-2); font-family: var(--font-mono); }

/* ============================================================
   PROCESS
============================================================ */
#process { background: var(--bg-1); padding: 100px 0; }
.process-steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; position: relative; margin-top: 8px; }
.process-steps::before {
  content: '';
  position: absolute;
  top: 28px; left: 12%;
  width: 76%;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-4), var(--accent-3));
  opacity: 0.3;
}
.process-step { padding: 0 20px; position: relative; }
.ps-circle {
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 1.5px solid var(--border-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
  background: var(--bg-0);
  position: relative; z-index: 1;
  transition: var(--transition);
  font-size: 18px;
}
.process-step:hover .ps-circle { border-color: var(--accent); background: rgba(10,132,255,0.1); color: var(--accent); transform: scale(1.1); }
.ps-num { font-family: var(--font-mono); font-size: 11px; color: var(--text-3); letter-spacing: 0.1em; margin-bottom: 10px; }
.process-step h3 { font-family: var(--font-head); font-size: 17px; font-weight: 700; color: var(--text-1); margin-bottom: 8px; }
.process-step p { font-size: 13px; color: var(--text-2); line-height: 1.7; }
.ps-detail { margin-top: 16px; }
.ps-detail li { font-size: 12px; color: var(--text-3); margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
.ps-detail li i { color: var(--accent-2); font-size: 10px; }

/* ============================================================
   PORTFOLIO
============================================================ */
#portfolio { background: var(--bg-0); padding: 100px 0; }
.portfolio-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 40px; }
.filter-btn {
  background: transparent;
  border: 0.5px solid var(--border-md);
  color: var(--text-3);
  padding: 7px 18px;
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-body);
}
.filter-btn.active, .filter-btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.portfolio-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.portfolio-item {
  background: var(--bg-card);
  border: 0.5px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.portfolio-item:hover { border-color: var(--border-md); transform: translateY(-4px); box-shadow: 0 20px 60px rgba(0,0,0,0.4); }
.portfolio-item.hidden { display: none; }
.pi-thumb {
  height: 200px;
  display: flex; align-items: center; justify-content: center;
  font-size: 56px;
  position: relative;
  overflow: hidden;
}
.pi-thumb::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.6));
}
.pi-overlay {
  position: absolute; inset: 0;
  background: rgba(10,132,255,0.15);
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  transition: var(--transition);
  z-index: 2;
}
.portfolio-item:hover .pi-overlay { opacity: 1; }
.pi-overlay a { background: #fff; color: var(--bg-0); padding: 8px 20px; border-radius: var(--r-sm); font-size: 13px; font-weight: 500; text-decoration: none; }
.pi-body { padding: 20px; }
.pi-cat { font-family: var(--font-mono); font-size: 10px; color: var(--text-3); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 8px; }
.pi-title { font-family: var(--font-head); font-size: 16px; font-weight: 700; color: var(--text-1); margin-bottom: 8px; }
.pi-desc { font-size: 13px; color: var(--text-2); line-height: 1.6; margin-bottom: 16px; }
.pi-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.pi-tag { background: rgba(255,255,255,0.04); border: 0.5px solid var(--border); border-radius: 3px; padding: 2px 8px; font-size: 10px; color: var(--text-3); font-family: var(--font-mono); }

/* ============================================================
   TEAM
============================================================ */
#team { background: var(--bg-1); padding: 100px 0; }
.team-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.team-card {
  background: var(--bg-card);
  border: 0.5px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.team-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  opacity: 0;
  transition: var(--transition);
}
.team-card:hover { border-color: var(--border-md); transform: translateY(-4px); }
.team-card:hover::after { opacity: 1; }
.tc-1::after { background: var(--accent); }
.tc-2::after { background: var(--accent-2); }
.tc-3::after { background: var(--accent-3); }
.tc-4::after { background: var(--accent-4); }
.tc-5::after { background: var(--accent); }
.tc-6::after { background: var(--accent-2); }
.member-avatar {
  width: 52px; height: 52px;
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 16px;
}
.team-card h3 { font-family: var(--font-head); font-size: 16px; font-weight: 700; color: var(--text-1); margin-bottom: 4px; }
.tc-role { font-size: 12px; color: var(--text-3); font-family: var(--font-mono); margin-bottom: 16px; letter-spacing: 0.04em; }
.tc-skills { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 16px; }
.tc-skill { background: rgba(255,255,255,0.04); border: 0.5px solid var(--border); border-radius: 3px; padding: 2px 8px; font-size: 10px; color: var(--text-3); font-family: var(--font-mono); }
.tc-certs { border-top: 0.5px solid var(--border); padding-top: 14px; }
.tc-cert { display: flex; align-items: center; gap: 6px; margin-bottom: 4px; }
.tc-cert i { font-size: 10px; color: var(--accent-2); }
.tc-cert span { font-size: 11px; color: var(--text-3); }
.tc-social { display: flex; gap: 8px; margin-top: 16px; }
.tc-social a { width: 28px; height: 28px; border-radius: var(--r-sm); background: rgba(255,255,255,0.04); border: 0.5px solid var(--border); display: flex; align-items: center; justify-content: center; color: var(--text-3); font-size: 12px; text-decoration: none; transition: var(--transition); }
.tc-social a:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ============================================================
   BLOG
============================================================ */
#blog { background: var(--bg-0); padding: 100px 0; }
.blog-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 16px; }
.blog-card {
  background: var(--bg-card);
  border: 0.5px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: var(--transition);
  text-decoration: none;
  display: block;
}
.blog-card:hover { border-color: var(--border-md); transform: translateY(-4px); }
.bc-thumb {
  height: 180px;
  display: flex; align-items: center; justify-content: center;
  font-size: 48px;
}
.blog-card:first-child .bc-thumb { height: 240px; }
.bc-body { padding: 20px; }
.bc-cat { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 8px; }
.bc-title { font-family: var(--font-head); font-size: 16px; font-weight: 700; color: var(--text-1); margin-bottom: 8px; line-height: 1.3; }
.blog-card:first-child .bc-title { font-size: 20px; }
.bc-desc { font-size: 13px; color: var(--text-2); line-height: 1.6; margin-bottom: 16px; }
.bc-meta { display: flex; align-items: center; justify-content: space-between; }
.bc-author { display: flex; align-items: center; gap: 8px; }
.bc-av { width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 10px; font-weight: 700; }
.bc-author-name { font-size: 12px; color: var(--text-3); }
.bc-date { font-size: 11px; color: var(--text-3); font-family: var(--font-mono); }

/* ============================================================
   CONTACT
============================================================ */
#contact { background: var(--bg-1); padding: 100px 0; }
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.contact-info h2 { font-family: var(--font-head); font-size: 36px; font-weight: 800; color: var(--text-1); margin-bottom: 16px; letter-spacing: -0.02em; line-height: 1.15; }
.contact-info p { font-size: 15px; color: var(--text-2); line-height: 1.8; margin-bottom: 36px; }
.contact-cards { display: flex; flex-direction: column; gap: 12px; }
.contact-card { display: flex; align-items: center; gap: 16px; background: var(--bg-card); border: 0.5px solid var(--border); border-radius: var(--r-md); padding: 16px 20px; transition: var(--transition); text-decoration: none; }
.contact-card:hover { border-color: var(--border-md); background: var(--bg-2); }
.cc-icon { width: 40px; height: 40px; border-radius: var(--r-sm); display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0; }
.cc-label { font-size: 11px; color: var(--text-3); font-family: var(--font-mono); margin-bottom: 2px; }
.cc-value { font-size: 14px; color: var(--text-1); font-weight: 500; }
.response-note { margin-top: 24px; display: flex; align-items: center; gap: 8px; }
.response-note i { color: var(--accent-2); font-size: 13px; }
.response-note span { font-size: 13px; color: var(--text-3); font-family: var(--font-mono); }

/* FORM */
.contact-form { background: var(--bg-card); border: 0.5px solid var(--border); border-radius: var(--r-xl); padding: 36px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 12px; color: var(--text-3); font-family: var(--font-mono); letter-spacing: 0.06em; margin-bottom: 8px; text-transform: uppercase; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  background: var(--bg-0);
  border: 0.5px solid var(--border-md);
  border-radius: var(--r-sm);
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text-1);
  font-family: var(--font-body);
  transition: var(--transition);
  outline: none;
  appearance: none;
}
.form-group select { cursor: pointer; }
.form-group select option { background: var(--bg-2); }
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-3); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(10,132,255,0.1); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-submit { width: 100%; background: var(--accent); color: #fff; border: none; padding: 14px; border-radius: var(--r-sm); font-size: 15px; font-weight: 500; font-family: var(--font-body); cursor: pointer; transition: var(--transition); display: flex; align-items: center; justify-content: center; gap: 8px; }
.form-submit:hover { background: #2094FF; transform: translateY(-1px); }
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.form-success { display: none; text-align: center; padding: 32px; }
.form-success i { font-size: 48px; color: var(--accent-2); margin-bottom: 16px; }
.form-success h3 { font-family: var(--font-head); font-size: 20px; color: var(--text-1); margin-bottom: 8px; }
.form-success p { font-size: 14px; color: var(--text-2); }

/* ============================================================
   FOOTER
============================================================ */
#footer { background: var(--bg-0); border-top: 0.5px solid var(--border); }
.footer-main { padding: 60px 0 40px; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
.footer-brand p { font-size: 14px; color: var(--text-3); line-height: 1.8; margin: 16px 0 24px; max-width: 280px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 36px; height: 36px; border-radius: var(--r-sm); background: rgba(255,255,255,0.04); border: 0.5px solid var(--border); display: flex; align-items: center; justify-content: center; color: var(--text-3); font-size: 14px; text-decoration: none; transition: var(--transition); }
.footer-social a:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.footer-col h4 { font-family: var(--font-head); font-size: 14px; font-weight: 700; color: var(--text-1); margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 13px; color: var(--text-3); text-decoration: none; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--text-1); }
.footer-bottom { border-top: 0.5px solid var(--border); padding: 20px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 12px; color: var(--text-3); font-family: var(--font-mono); }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { font-size: 12px; color: var(--text-3); text-decoration: none; font-family: var(--font-mono); transition: var(--transition); }
.footer-bottom-links a:hover { color: var(--text-1); }

/* ============================================================
   BACK TO TOP
============================================================ */
#back-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  z-index: 999;
  box-shadow: 0 4px 20px rgba(10,132,255,0.4);
}
#back-top.visible { opacity: 1; pointer-events: all; }
#back-top:hover { background: #2094FF; transform: translateY(-2px); }

/* ============================================================
   TOAST
============================================================ */
#toast {
  position: fixed;
  bottom: 32px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-card);
  border: 0.5px solid var(--border-md);
  border-radius: var(--r-md);
  padding: 14px 24px;
  display: flex; align-items: center; gap: 12px;
  font-size: 14px;
  color: var(--text-1);
  opacity: 0;
  transition: var(--transition);
  z-index: 9999;
  pointer-events: none;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
#toast i { font-size: 16px; }

/* ============================================================
   SCROLL ANIMATIONS
============================================================ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .stack-layout { grid-template-columns: 1fr; gap: 40px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
  .team-grid { grid-template-columns: repeat(2,1fr); }
  .blog-grid { grid-template-columns: 1fr 1fr; }
  .blog-card:first-child { grid-column: 1/-1; }
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .nav-links { display: none; }
  .hamburger { display: block; }
  .services-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; gap: 32px; }
  .process-steps::before { display: none; }
  .portfolio-grid { grid-template-columns: 1fr 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: repeat(2,1fr); }
  .metric-item:nth-child(2) { border-right: none; }
  .metric-item:nth-child(3) { border-right: 0.5px solid var(--border); }
  .tech-grid { grid-template-columns: repeat(2,1fr); }
  .footer-main { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-card:first-child { grid-column: auto; }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .process-steps { grid-template-columns: 1fr; }
}