/* ============================================================
   iTech Services – style.css
   Dark tech theme inspired by Wix "Tech Company (Dark)"
   ============================================================ */

/* ── VARIABLES ──────────────────────────────────────────── */
:root {
  --bg-primary:    #0b0d1a;
  --bg-secondary:  #0e1120;
  --bg-card:       #141929;
  --bg-card-hover: #1a2040;
  --accent:        #4361ee;
  --accent-hover:  #3451d1;
  --accent-glow:   rgba(67, 97, 238, 0.22);
  --cyan:          #00c6ff;
  --text-primary:  #f0f4ff;
  --text-secondary:#8892b0;
  --text-muted:    #4a5472;
  --border:        rgba(67, 97, 238, 0.22);
  --border-solid:  rgba(255, 255, 255, 0.06);
  --nav-h:         90px;
  --footer-h:      120px;
  --radius:        12px;
  --radius-sm:     8px;
  --ease:          cubic-bezier(0.4, 0, 0.2, 1);
  --t:             0.3s;
  --shadow:        0 4px 32px rgba(0, 0, 0, 0.5);
}

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

html { font-size: 16px; scroll-behavior: auto; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ── TYPOGRAPHY ─────────────────────────────────────────── */
h1 {
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.025em;
}
h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
}
h3 { font-size: 1.15rem; font-weight: 600; }
h4 { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; }
p  { color: var(--text-secondary); line-height: 1.8; }

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

/* Keep hero h1 second line on one line in all languages */
.hero-content .accent-text {
  display: block;
  font-size: clamp(1.8rem, 4vw, 4rem);
  white-space: nowrap;
}

/* ── LAYOUT ─────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}

section { padding: 110px 0; }

.section-alt { background-color: var(--bg-secondary); }

.section-header {
  text-align: center;
  margin-bottom: 72px;
}

.section-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin-bottom: 20px;
  padding: 6px 18px;
  border: 1px solid rgba(0, 198, 255, 0.28);
  border-radius: 100px;
  background: rgba(0, 198, 255, 0.05);
}

.section-header h2 { color: var(--text-primary); }

.h2-accent-line {
  display: block;
  color: var(--cyan);
  font-size: 0.85em;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-top: 12px;
}

/* ── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 34px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t) var(--ease);
  border: 2px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--accent-glow);
}
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--cyan);
  transform: translateY(-2px);
}

/* ── NAVIGATION ─────────────────────────────────────────── */
#navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

#navbar.scrolled {
  background-color: rgba(11, 13, 26, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border-solid);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}

/* Logo */
.logo {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  line-height: 1;
  text-decoration: none;
}
.logo-line1 {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  display: flex;
  align-items: baseline;
  color: var(--text-primary);
}
.logo-accent {
  color: var(--cyan);
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 0.9;
  margin-right: 1px;
}
.logo-line2 {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  /* Aligns 'S' roughly under the 'c' in iTech — tweak if needed */
  padding-left: 4.2em;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 8px 16px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--t), background-color var(--t);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.05);
}
.nav-links a.active { color: var(--cyan); }

/* Nav actions */
.nav-actions { display: flex; align-items: center; gap: 12px; }

.lang-toggle {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 5px 13px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all var(--t) var(--ease);
}
.lang-toggle:hover { border-color: var(--cyan); color: var(--cyan); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--t) var(--ease), opacity var(--t);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ───────────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 0;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  /* Dark server room / data centre from Unsplash (free to use) */
  background-image: url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?auto=format&fit=crop&w=1920&q=80');
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  transition: transform 10s ease;
}
#hero:hover .hero-bg { transform: scale(1.0); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(11, 13, 26, 0.93) 0%,
    rgba(11, 13, 26, 0.80) 55%,
    rgba(67, 97, 238, 0.18) 100%
  );
}

/* Subtle grid overlay */
.hero-overlay::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(67, 97, 238, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(67, 97, 238, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: var(--nav-h);
  max-width: 820px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--cyan);
  margin-bottom: 28px;
}

.hero-content h1 { color: var(--text-primary); margin-bottom: 28px; }

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 44px;
  line-height: 1.75;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 44px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.scroll-dot {
  display: block;
  width: 2px;
  height: 52px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  margin: 0 auto;
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.25; transform: scaleY(0.9); }
  50%       { opacity: 1;    transform: scaleY(1);   }
}

/* ── ABOUT ──────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text p { margin-bottom: 20px; }
.about-text .btn { margin-top: 12px; }

.about-stats { display: flex; flex-direction: column; gap: 20px; }

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  overflow: hidden;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease), border-color var(--t);
}
.stat-card::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(to bottom, var(--accent), var(--cyan));
}
.stat-card:hover {
  border-color: rgba(67, 97, 238, 0.5);
  box-shadow: var(--shadow);
  transform: translateX(4px);
}

.stat-number {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.04em;
  line-height: 1;
}
.stat-plus { color: var(--cyan); }
.stat-label { font-size: 0.92rem; color: var(--text-secondary); font-weight: 500; }

/* ── SERVICES ───────────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-solid);
  border-radius: var(--radius);
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease), border-color var(--t), background-color var(--t);
}
.service-card::after {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(to right, var(--accent), var(--cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t) var(--ease);
}
.service-card:hover {
  border-color: var(--border);
  background: var(--bg-card-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.service-card:hover::after { transform: scaleX(1); }

.service-icon {
  width: 52px;
  height: 52px;
  background: var(--accent-glow);
  border: 1px solid var(--border);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--cyan);
  margin-bottom: 24px;
  transition: background var(--t), border-color var(--t), color var(--t), box-shadow var(--t);
}
.service-card:hover .service-icon {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.service-card h3 { color: var(--text-primary); margin-bottom: 14px; }
.service-card p  { font-size: 0.9rem; line-height: 1.72; }

/* ── EXPERTISE ──────────────────────────────────────────── */
.expertise-wrapper {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 44px 52px;
}

.expertise-label {
  color: var(--text-secondary);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-solid);
}

.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }

.tag {
  display: inline-block;
  padding: 5px 14px;
  background: rgba(67, 97, 238, 0.07);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: default;
  transition: background var(--t), border-color var(--t), color var(--t);
}
.tag:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--text-primary);
}

/* ── CERTIFICATIONS ─────────────────────────────────────── */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border-solid);
  border-radius: var(--radius);
  padding: 18px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease), border-color var(--t), background-color var(--t);
}
.cert-card:hover {
  border-color: var(--border);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.cert-card.featured {
  border-color: rgba(67, 97, 238, 0.4);
  background: linear-gradient(135deg, var(--bg-card), rgba(67, 97, 238, 0.08));
}
.cert-card.featured:hover { border-color: var(--accent); }

.cert-icon {
  font-size: 1.4rem;
  color: var(--cyan);
  flex-shrink: 0;
  width: 32px;
  text-align: center;
}
.cert-card.featured .cert-icon { color: var(--accent); }

.cert-body { display: flex; flex-direction: column; gap: 3px; min-width: 0; }

.cert-issuer {
  font-size: 0.67rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}
.cert-name {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

/* ── CONTACT ────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 72px;
  align-items: start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group { display: flex; flex-direction: column; gap: 8px; }

.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}

.form-group input,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border-solid);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: border-color var(--t), box-shadow var(--t);
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-status { font-size: 0.88rem; min-height: 1.4rem; }
.form-status.success { color: #4ade80; }
.form-status.error   { color: #f87171; }
.form-privacy { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }
.form-privacy a, .footer-privacy-link { color: var(--cyan); text-underline-offset: 3px; }
.form-privacy a:hover, .footer-privacy-link:hover { opacity: 0.8; }

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 36px;
  padding-top: 4px;
}

.contact-item { display: flex; align-items: flex-start; gap: 20px; }

.contact-icon {
  width: 46px;
  height: 46px;
  background: var(--accent-glow);
  border: 1px solid var(--border);
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 5px;
}
.contact-value {
  font-size: 1rem;
  color: var(--text-primary);
  font-weight: 500;
}
a.contact-value:hover { color: var(--cyan); }

/* ── FOOTER ─────────────────────────────────────────────── */
#footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-solid);
  min-height: var(--footer-h);
  padding: 0 0;
  display: flex;
  align-items: center;
}

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

.footer-meta  { display: flex; flex-direction: column; gap: 6px; text-align: center; }
.footer-copy  { font-size: 0.83rem; color: var(--text-secondary); }
.footer-legal { font-size: 0.78rem; color: var(--text-secondary); opacity: 0.75; }

/* ── SCROLL ANIMATIONS ──────────────────────────────────── */
[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger for service cards */
.services-grid .service-card[data-animate]:nth-child(2) { transition-delay: 0.08s; }
.services-grid .service-card[data-animate]:nth-child(3) { transition-delay: 0.16s; }
.services-grid .service-card[data-animate]:nth-child(4) { transition-delay: 0.08s; }
.services-grid .service-card[data-animate]:nth-child(5) { transition-delay: 0.16s; }
.services-grid .service-card[data-animate]:nth-child(6) { transition-delay: 0.24s; }

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .services-grid      { grid-template-columns: repeat(2, 1fr); }
  .cert-grid          { grid-template-columns: repeat(3, 1fr); }
  .expertise-wrapper  { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  section { padding: 80px 0; }

  /* Mobile nav */
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(11, 13, 26, 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 20px 24px 28px;
    gap: 4px;
    border-bottom: 1px solid var(--border-solid);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; font-size: 1rem; }
  .hamburger { display: flex; }

  .about-grid   { grid-template-columns: 1fr; gap: 48px; }
  .about-stats  { flex-direction: row; gap: 16px; }
  .stat-card    { flex: 1; padding: 20px; }
  .stat-card::before { inset: 0 0 auto 0; width: 100%; height: 3px; }
  .stat-card:hover { transform: translateY(-4px); }
  .stat-number  { font-size: 2.4rem; }

  .services-grid     { grid-template-columns: 1fr; }
  .expertise-wrapper { grid-template-columns: 1fr; gap: 32px; }
  .cert-grid         { grid-template-columns: repeat(2, 1fr); }
  .contact-grid      { grid-template-columns: 1fr; gap: 44px; }

  .footer-content { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .about-stats { flex-direction: column; }
  .cert-grid   { grid-template-columns: 1fr; }
  h1 { font-size: 2.4rem; }
}