/* =============================================
   MONTYHO TECHNOLOGY — STYLESHEET
   ============================================= */

/* --- Variables --- */
:root {
  /* Layout / shared */
  --radius-sm:   8px;
  --radius-md:   14px;
  --radius-lg:   22px;
  --transition:  0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --nav-h:       70px;
  --container:   1240px;
  --pad:         clamp(1.25rem, 5vw, 2rem);
}

/* Dark theme (default) */
:root,
[data-theme="dark"] {
  --bg-0:        #060b18;
  --bg-1:        #09112a;
  --bg-card:     #0d1630;
  --bg-card-h:   #111c3a;
  --bg-alt:      #080e20;
  --cyan:        #00c9f0;
  --cyan-dim:    rgba(0, 201, 240, 0.15);
  --cyan-glow:   rgba(0, 201, 240, 0.25);
  --purple:      #8b5cf6;
  --purple-dim:  rgba(139, 92, 246, 0.15);
  --green:       #10b981;
  --green-dim:   rgba(16, 185, 129, 0.15);
  --orange:      #f59e0b;
  --orange-dim:  rgba(245, 158, 11, 0.15);
  --blue:        #3b82f6;
  --blue-dim:    rgba(59, 130, 246, 0.15);
  --teal:        #14b8a6;
  --teal-dim:    rgba(20, 184, 166, 0.15);
  --text-1:      #eef2fa;
  --text-2:      #8fa3c8;
  --text-3:      #5a718a;
  --border:      rgba(255, 255, 255, 0.07);
  --border-h:    rgba(0, 201, 240, 0.35);
  --shadow-sm:   0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:   0 8px 30px rgba(0,0,0,0.5);
  --shadow-lg:   0 20px 60px rgba(0,0,0,0.6);
  --surface:     rgba(255, 255, 255, 0.05);
  --surface-h:   rgba(255, 255, 255, 0.08);
  --hero-stat-bg: rgba(9, 17, 42, 0.7);
}

/* Light theme */
[data-theme="light"] {
  --bg-0:        #f8fafc;
  --bg-1:        #f1f5f9;
  --bg-card:     #ffffff;
  --bg-card-h:   #f8fafc;
  --bg-alt:      #f1f5f9;
  --cyan:        #00b4d8;
  --cyan-dim:    rgba(0, 180, 216, 0.08);
  --cyan-glow:   rgba(0, 180, 216, 0.15);
  --purple:      #7c3aed;
  --purple-dim:  rgba(124, 58, 237, 0.08);
  --green:       #059669;
  --green-dim:   rgba(16, 185, 129, 0.08);
  --orange:      #d97706;
  --orange-dim:  rgba(217, 119, 6, 0.08);
  --blue:        #2563eb;
  --blue-dim:    rgba(37, 99, 235, 0.08);
  --teal:        #0d9488;
  --teal-dim:    rgba(13, 148, 136, 0.08);
  --text-1:      #0f172a;
  --text-2:      #475569;
  --text-3:      #64748b;
  --border:      rgba(0, 0, 0, 0.08);
  --border-h:    rgba(0, 180, 216, 0.45);
  --shadow-sm:   0 2px 8px rgba(0,0,0,0.06);
  --shadow-md:   0 8px 30px rgba(0,0,0,0.08);
  --shadow-lg:   0 20px 60px rgba(0,0,0,0.10);
  --surface:     rgba(0, 0, 0, 0.04);
  --surface-h:   rgba(0, 0, 0, 0.06);
  --hero-stat-bg: rgba(241, 245, 249, 0.8);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-0);
  color: var(--text-1);
  line-height: 1.6;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
input, textarea, select { font: inherit; }

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  line-height: 1.15;
  font-weight: 700;
}
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -0.02em; }
h3 { font-size: 1.2rem; letter-spacing: -0.01em; }
p  { color: var(--text-2); line-height: 1.75; }

/* --- Layout --- */
.container {
  width: min(var(--container), 100%);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.section { padding-block: clamp(5rem, 10vw, 8rem); }
.section--alt { background: var(--bg-alt); }

/* --- Section headers --- */
.section__header {
  text-align: center;
  max-width: 700px;
  margin-inline: auto;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}
.section__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0,201,240,0.25);
  border-radius: 100px;
  padding: 0.35em 1em;
  margin-bottom: 1.25rem;
}
.section__title {
  color: var(--text-1);
  margin-bottom: 1rem;
}
.section__subtitle {
  font-size: 1.05rem;
  color: var(--text-2);
  max-width: 560px;
  margin-inline: auto;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.85em 2em;
  border-radius: var(--radius-md);
  transition: var(--transition);
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }
.btn--primary {
  background: var(--cyan);
  color: #060b18;
  box-shadow: 0 0 25px rgba(0,201,240,0.3);
}
.btn--primary:hover {
  background: #22d9ff;
  box-shadow: 0 0 40px rgba(0,201,240,0.5);
  transform: translateY(-2px);
}
.btn--outline {
  border: 1.5px solid rgba(0,201,240,0.45);
  color: var(--cyan);
}
.btn--outline:hover {
  background: var(--cyan-dim);
  border-color: var(--cyan);
  transform: translateY(-2px);
}
.btn--full { width: 100%; justify-content: center; }

/* --- Reveal animation --- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
[data-reveal-delay="100"]  { transition-delay: 0.1s; }
[data-reveal-delay="150"]  { transition-delay: 0.15s; }
[data-reveal-delay="200"]  { transition-delay: 0.2s; }
[data-reveal-delay="300"]  { transition-delay: 0.3s; }
[data-reveal-delay="400"]  { transition-delay: 0.4s; }

/* =============================================
   HEADER / NAV
   ============================================= */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background var(--transition), box-shadow var(--transition), border-bottom var(--transition);
}
.header.scrolled {
  background: var(--bg-1);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}
[data-theme="dark"] .header.scrolled,
:root .header.scrolled {
  background: rgba(6, 11, 24, 0.88);
}
[data-theme="light"] .header.scrolled {
  background: rgba(248, 250, 252, 0.88);
}
.nav {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 2rem;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
  color: var(--text-1);
  transition: opacity var(--transition);
}
.nav__logo:hover { opacity: 0.85; }
.nav__logo-icon {
  width: 34px; height: 34px;
  color: var(--cyan);
  flex-shrink: 0;
}
.nav__logo-text {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.2;
}
.nav__logo-text strong { font-weight: 700; }

.nav__menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}
.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-2);
  padding: 0.45em 0.9em;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover, .nav__link.active {
  color: var(--text-1);
  background: rgba(255,255,255,0.06);
}
.nav__link--cta {
  color: var(--cyan);
  border: 1.5px solid var(--border-h);
  margin-left: 0.5rem;
}
.nav__link--cta:hover {
  background: var(--cyan-dim);
  border-color: var(--cyan);
  color: var(--cyan);
}

.nav__right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Theme toggle */
.theme-toggle {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  transition: color var(--transition), background var(--transition);
  flex-shrink: 0;
}
.theme-toggle:hover {
  color: var(--cyan);
  background: var(--surface);
}
.theme-toggle svg {
  width: 18px; height: 18px;
  transition: transform 0.35s ease, opacity 0.25s ease;
}
.theme-toggle__sun { display: block; }
.theme-toggle__moon { display: none; }
[data-theme="light"] .theme-toggle__sun { display: none; }
[data-theme="light"] .theme-toggle__moon { display: block; }

/* Language switch */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 0.2em 0.5em;
}
.lang-btn {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-3);
  padding: 0.25em 0.55em;
  border-radius: 100px;
  transition: var(--transition);
}
.lang-btn.active {
  background: var(--cyan);
  color: #060b18;
}
.lang-btn:hover:not(.active) { color: var(--text-1); }
.lang-divider { color: var(--border); font-size: 0.8rem; user-select: none; }

/* Mobile toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  border-radius: var(--radius-sm);
}
.nav__toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-2);
  border-radius: 2px;
  transition: var(--transition);
}
.nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 20% 40%, rgba(0,201,240,0.04) 0%, transparent 70%),
    radial-gradient(ellipse 60% 70% at 80% 70%, rgba(139,92,246,0.04) 0%, transparent 70%);
  pointer-events: none;
}
[data-theme="light"] .hero::before {
  background:
    radial-gradient(ellipse 70% 60% at 20% 40%, rgba(0,180,216,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 60% 70% at 80% 70%, rgba(124,58,237,0.06) 0%, transparent 70%);
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero__container {
  position: relative;
  z-index: 1;
  padding-block: 5rem 3rem;
}
.hero__content { max-width: 700px; }
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0,201,240,0.3);
  border-radius: 100px;
  padding: 0.45em 1.1em;
  margin-bottom: 1.75rem;
}
.hero__badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
.hero__title {
  color: var(--text-1);
  margin-bottom: 1.5rem;
  font-weight: 800;
}
.hero__title em {
  font-style: normal;
  color: var(--cyan);
  position: relative;
}
.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--text-2);
  max-width: 540px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 4rem;
}
.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--border);
  max-width: 560px;
}
.hero__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  padding: 1.1rem 0.75rem;
  background: var(--hero-stat-bg);
  backdrop-filter: blur(10px);
  text-align: center;
  transition: background var(--transition);
}
.hero__stat:hover { background: var(--cyan-dim); }
.hero__stat-abbr {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.03em;
}
.hero__stat-label {
  font-size: 0.65rem;
  color: var(--text-3);
  letter-spacing: 0.02em;
  line-height: 1.3;
}
.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-3);
  animation: bounce 2.5s ease-in-out infinite;
  z-index: 1;
}
.hero__scroll svg { width: 28px; height: 28px; }
.hero__scroll:hover { color: var(--cyan); }

/* =============================================
   SERVICES
   ============================================= */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}
.scard {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
  position: relative;
  overflow: hidden;
}
.scard::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.scard:hover {
  transform: translateY(-4px);
  background: var(--bg-card-h);
  box-shadow: var(--shadow-lg);
}

/* Top accent line */
.scard::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--transition);
}
.scard:hover::after { opacity: 1; }

/* Color variants */
.scard--cyan  { --card-color: var(--cyan); --card-dim: var(--cyan-dim); }
.scard--purple{ --card-color: var(--purple); --card-dim: var(--purple-dim); }
.scard--green { --card-color: var(--green); --card-dim: var(--green-dim); }
.scard--orange{ --card-color: var(--orange); --card-dim: var(--orange-dim); }
.scard--blue  { --card-color: var(--blue); --card-dim: var(--blue-dim); }
.scard--teal  { --card-color: var(--teal); --card-dim: var(--teal-dim); }

.scard:hover { border-color: rgba(var(--card-color-rgb, 0,201,240), 0.3); }
.scard--cyan:hover   { border-color: rgba(0,201,240,0.3); box-shadow: 0 20px 60px rgba(0,201,240,0.08); }
.scard--purple:hover { border-color: rgba(139,92,246,0.3); box-shadow: 0 20px 60px rgba(139,92,246,0.08); }
.scard--green:hover  { border-color: rgba(16,185,129,0.3); box-shadow: 0 20px 60px rgba(16,185,129,0.08); }
.scard--orange:hover { border-color: rgba(245,158,11,0.3); box-shadow: 0 20px 60px rgba(245,158,11,0.08); }
.scard--blue:hover   { border-color: rgba(59,130,246,0.3); box-shadow: 0 20px 60px rgba(59,130,246,0.08); }
.scard--teal:hover   { border-color: rgba(20,184,166,0.3); box-shadow: 0 20px 60px rgba(20,184,166,0.08); }

.scard--cyan::after   { background: linear-gradient(90deg, transparent, var(--cyan), transparent); }
.scard--purple::after { background: linear-gradient(90deg, transparent, var(--purple), transparent); }
.scard--green::after  { background: linear-gradient(90deg, transparent, var(--green), transparent); }
.scard--orange::after { background: linear-gradient(90deg, transparent, var(--orange), transparent); }
.scard--blue::after   { background: linear-gradient(90deg, transparent, var(--blue), transparent); }
.scard--teal::after   { background: linear-gradient(90deg, transparent, var(--teal), transparent); }

.scard__icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  background: var(--card-dim, var(--cyan-dim));
  display: flex; align-items: center; justify-content: center;
  color: var(--card-color, var(--cyan));
  flex-shrink: 0;
}
.scard__icon svg { width: 28px; height: 28px; }
.scard__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-1);
}
.scard__desc {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.7;
  flex: 1;
}
.scard__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}
.scard__tags li {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text-3);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.2em 0.6em;
  transition: color var(--transition), border-color var(--transition);
}
.scard:hover .scard__tags li { color: var(--text-2); }

/* =============================================
   TECHNOLOGIES
   ============================================= */
.tech__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.tech__category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: border-color var(--transition);
}
.tech__category:hover { border-color: rgba(0,201,240,0.2); }
.tech__cat-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.tech__items { display: flex; flex-direction: column; gap: 1rem; }
.tech__item {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
}
.tech__freq {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0,201,240,0.2);
  border-radius: 6px;
  padding: 0.25em 0.55em;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 2px;
}
.tech__freq--sat {
  background: var(--purple-dim);
  border-color: rgba(139,92,246,0.2);
  color: var(--purple);
}
.tech__item-body {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.tech__item-body strong {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-1);
}
.tech__item-body span {
  font-size: 0.8rem;
  color: var(--text-3);
  line-height: 1.4;
}

/* =============================================
   PROCESS
   ============================================= */
.process__steps {
  position: relative;
  max-width: 760px;
  margin-inline: auto;
}
.process__steps::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 28px;
  bottom: 28px;
  width: 1px;
  background: linear-gradient(to bottom, var(--cyan), rgba(0,201,240,0.1));
}
.process__step {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 1.5rem;
  padding-bottom: 2.5rem;
  position: relative;
}
.process__step:last-child { padding-bottom: 0; }
.process__num {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  color: var(--cyan);
  background: var(--bg-0);
  border: 1.5px solid rgba(0,201,240,0.4);
  border-radius: 50%;
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.process__step:hover .process__num {
  background: var(--cyan-dim);
  border-color: var(--cyan);
  box-shadow: 0 0 20px rgba(0,201,240,0.25);
}
.process__body {
  padding-top: 0.85rem;
}
.process__body h3 {
  font-size: 1.15rem;
  color: var(--text-1);
  margin-bottom: 0.6rem;
}
.process__body p {
  font-size: 0.92rem;
  color: var(--text-2);
  line-height: 1.75;
}

/* =============================================
   ABOUT
   ============================================= */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}
.about__content .section__tag { display: inline-block; }
.about__content .section__title {
  text-align: left;
  margin-top: 1rem;
  margin-bottom: 1.25rem;
}
.about__content p { margin-bottom: 1rem; font-size: 0.95rem; }
.about__highlights { margin-top: 1.75rem; display: flex; flex-direction: column; gap: 0.85rem; }
.about__highlight {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.92rem;
  color: var(--text-2);
}
.about__highlight svg {
  width: 18px; height: 18px;
  color: var(--cyan);
  flex-shrink: 0;
  background: var(--cyan-dim);
  border-radius: 50%;
  padding: 2px;
}

/* Circuit SVG */
.about__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.circuit-svg {
  width: min(420px, 100%);
  filter: drop-shadow(0 0 30px rgba(0,201,240,0.1));
}
.circuit-pulse {
  animation: circuit-expand 3s ease-in-out infinite;
}
.circuit-pulse--2 {
  animation-delay: 1.5s;
}

/* =============================================
   CONTACT
   ============================================= */
.contact__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  max-width: 820px;
  margin-inline: auto;
  margin-bottom: 3rem;
}
.contact__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  color: var(--text-1);
}
a.contact__item:hover {
  border-color: var(--border-h);
  background: var(--bg-card-h);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,201,240,0.08);
}
.contact__item-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: var(--cyan-dim);
  border-radius: var(--radius-sm);
  color: var(--cyan);
  flex-shrink: 0;
}
.contact__item-icon svg { width: 20px; height: 20px; }
.contact__item-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.25rem;
}
.contact__item-value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-1);
}


/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding-top: 3.5rem;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  align-items: start;
}
.footer__brand .nav__logo { margin-bottom: 0.75rem; }
.footer__brand p {
  font-size: 0.85rem;
  color: var(--text-3);
  max-width: 260px;
  line-height: 1.6;
}
.footer__links, .footer__contact {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.footer__links a, .footer__contact a {
  font-size: 0.88rem;
  color: var(--text-3);
  transition: color var(--transition);
}
.footer__links a:hover, .footer__contact a:hover { color: var(--cyan); }
.footer__bottom {
  border-top: 1px solid var(--border);
  padding-block: 1.25rem;
}
.footer__bottom p {
  font-size: 0.8rem;
  color: var(--text-3);
  text-align: center;
}

/* =============================================
   BACK TO TOP
   ============================================= */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(6,11,24,0.85);
  backdrop-filter: blur(12px);
  border: 1.5px solid rgba(0,201,240,0.35);
  border-radius: 50%;
  color: var(--cyan);
  z-index: 900;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
}
.back-to-top svg { width: 18px; height: 18px; }
.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}
.back-to-top:hover {
  background: var(--cyan-dim);
  border-color: var(--cyan);
}

/* =============================================
   KEYFRAMES
   ============================================= */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.7); }
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}
@keyframes circuit-expand {
  0%   { transform: scale(1); opacity: 0.4; }
  70%  { transform: scale(2.2); opacity: 0; }
  100% { transform: scale(1); opacity: 0; }
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1100px) {
  .tech__grid { grid-template-columns: 1fr 1fr; }
  .tech__category:last-child { grid-column: 1 / -1; }
  .tech__category:last-child .tech__items {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
}

@media (max-width: 900px) {
  .about__grid { grid-template-columns: 1fr; }
  .about__visual { order: -1; }
  .circuit-svg { width: min(300px, 80%); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  /* Mobile nav */
  .nav__menu {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    flex-direction: column;
    background: var(--bg-0);
    backdrop-filter: blur(20px);
    padding: 1.5rem var(--pad) 2rem;
    border-bottom: 1px solid var(--border);
    gap: 0.25rem;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
    z-index: 999;
  }
  .nav__menu.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }
  .nav__link {
    padding: 0.8em 1em;
    width: 100%;
    font-size: 1rem;
  }
  .nav__link--cta { margin-left: 0; margin-top: 0.5rem; text-align: center; }
  .nav__toggle { display: flex; }

  /* Services grid: single column on very small */
  .services__grid { grid-template-columns: 1fr; }

  /* Tech: single column */
  .tech__grid { grid-template-columns: 1fr; }
  .tech__category:last-child { grid-column: auto; }
  .tech__category:last-child .tech__items {
    display: flex;
    flex-direction: column;
  }

  /* Process */
  .process__steps::before { display: none; }

  /* Hero stats */
  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Contact */
  .contact__cards { grid-template-columns: 1fr; }

  /* Footer */
  .footer__inner { grid-template-columns: 1fr; }
  .footer__brand { grid-column: auto; }
}

@media (max-width: 500px) {
  .hero__actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
  .services__grid { grid-template-columns: 1fr; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* =============================================
   SECURITY
   ============================================= */
.security__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.security__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0, 201, 240, 0.3);
  border-radius: 100px;
  padding: 0.25em 0.8em;
}
.security__badge--purple {
  color: var(--purple);
  background: var(--purple-dim);
  border-color: rgba(139, 92, 246, 0.3);
}

.security__checks {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  flex: 1;
}
.security__checks li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.55;
}
.security__checks li::before {
  content: '✓';
  font-size: 0.72rem;
  font-weight: 800;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  margin-top: 0.1em;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0, 201, 240, 0.3);
}
.security__checks--purple li::before {
  color: var(--purple);
  background: var(--purple-dim);
  border-color: rgba(139, 92, 246, 0.3);
}

/* Feature pills row */
.security__features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.security__feat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.security__feat:hover {
  border-color: rgba(0, 201, 240, 0.2);
  box-shadow: var(--shadow-sm);
}
.security__feat-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--cyan-dim);
  border: 1px solid rgba(0, 201, 240, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  flex-shrink: 0;
}
.security__feat-icon svg { width: 18px; height: 18px; }
.security__feat h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-1);
}
.security__feat p {
  font-size: 0.86rem;
  color: var(--text-2);
  line-height: 1.65;
}

@media (max-width: 900px) {
  .security__grid     { grid-template-columns: 1fr; }
  .security__features { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .security__feat {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    gap: 0.25rem 0.75rem;
    padding: 1.25rem;
  }
  .security__feat-icon {
    grid-row: 1 / -1;
    width: 28px;
    height: 28px;
  }
  .security__feat-icon svg { width: 12px; height: 12px; }
  .security__feat h4 {
    grid-column: 2;
    grid-row: 1;
  }
  .security__feat p {
    grid-column: 2;
    grid-row: 2;
  }
}