/* ═══════════════════════════════════════════════
   EffectWeb — Corporate Tech Portfolio
   Stack: HTML5 · CSS3 · AngularJS
   ═══════════════════════════════════════════════ */

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

:root {
  --bg-900:    #070b12;
  --bg-800:    #0d1421;
  --bg-700:    #111927;
  --bg-600:    #182033;
  --border:    rgba(99, 179, 237, 0.12);
  --blue-400:  #63b3ed;
  --blue-500:  #4299e1;
  --blue-600:  #3182ce;
  --cyan-400:  #76e4f7;
  --cyan-500:  #0bc5ea;
  --purple-400:#b794f4;
  --green-400: #68d391;
  --yellow-400:#f6e05e;
  --red-400:   #fc8181;
  --text-100:  #f7fafc;
  --text-200:  #e2e8f0;
  --text-400:  #a0aec0;
  --text-600:  #718096;
  --grad-main: linear-gradient(135deg, #4299e1 0%, #0bc5ea 50%, #b794f4 100%);
  --grad-card: linear-gradient(145deg, rgba(17,25,39,0.9), rgba(13,20,33,0.95));
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-card: 0 4px 32px rgba(0,0,0,0.4), 0 1px 0 rgba(99,179,237,0.08) inset;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-sans: 'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background-color: var(--bg-900);
  color: var(--text-200);
  line-height: 1.65;
  overflow-x: hidden;
}

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

/* ── Utilities ─────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section__header {
  text-align: center;
  margin-bottom: 64px;
}

.section__tag {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan-500);
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 12px;
}

.section__title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  color: var(--text-100);
  line-height: 1.15;
  margin-bottom: 16px;
}

.section__desc {
  font-size: 17px;
  color: var(--text-400);
  max-width: 600px;
  margin: 0 auto;
}

/* ── Buttons ───────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--grad-main);
  color: #fff;
  box-shadow: 0 4px 24px rgba(66,153,225,0.35);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(66,153,225,0.5);
}

.btn--ghost {
  background: transparent;
  color: var(--text-200);
  border: 1.5px solid var(--border);
}
.btn--ghost:hover {
  border-color: var(--blue-400);
  color: var(--blue-400);
  background: rgba(66,153,225,0.06);
}

.btn--outline-sm {
  padding: 8px 20px;
  font-size: 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-200);
  transition: var(--transition);
}
.btn--outline-sm:hover {
  border-color: var(--cyan-500);
  color: var(--cyan-500);
}

.btn--full { width: 100%; justify-content: center; }

/* ── Navbar ────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}

.navbar--scrolled {
  background: rgba(7, 11, 18, 0.92);
  backdrop-filter: blur(16px);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  display: inline-flex;
  align-items: baseline;
  gap: 0;
}

/* Texto digitado — estilo "marca" (EffectWeb) */
.logo-typewriter {
  color: var(--text-100);
  transition: color 0.2s;
}
.logo-typewriter.logo--brand {
  background: linear-gradient(90deg, var(--blue-400) 0%, var(--blue-400) 55%, var(--text-100) 55%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
/* Tagline: "Suas ideias na Web" */
.logo-typewriter.logo--tagline {
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Cursor: pisca quando ocioso, fixo quando digitando */
.logo-cursor {
  color: var(--cyan-500);
  animation: blink 1.1s step-end infinite;
  margin-left: 1px;
}
.logo-cursor--typing {
  animation: none;
  opacity: 1;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.navbar__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.navbar__links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-400);
  transition: var(--transition);
  position: relative;
}
.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1.5px;
  background: var(--grad-main);
  transition: var(--transition);
}
.navbar__links a:hover { color: var(--text-100); }
.navbar__links a:hover::after { width: 100%; }

.navbar__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.navbar__burger span {
  width: 24px;
  height: 2px;
  background: var(--text-200);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Hero ──────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(66,153,225,0.12), transparent),
              radial-gradient(ellipse 60% 40% at 80% 80%, rgba(118,228,247,0.06), transparent),
              var(--bg-900);
}

#particleCanvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 2;
  padding-top: 100px;
  padding-bottom: 60px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(66,153,225,0.1);
  border: 1px solid rgba(66,153,225,0.25);
  border-radius: 100px;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--blue-400);
  margin-bottom: 28px;
}

.hero__title {
  font-size: clamp(44px, 7vw, 82px);
  font-weight: 900;
  line-height: 1.05;
  color: var(--text-100);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero__title--quote {
  font-style: italic;
  font-size: clamp(30px, 4.5vw, 58px);
}

.hero__quote-attr {
  font-size: 14px;
  color: var(--text-600);
  letter-spacing: 0.05em;
  margin-top: -16px;
  margin-bottom: 32px;
  font-family: var(--font-mono);
}
.hero__quote-attr em {
  font-style: italic;
  color: var(--cyan-500);
}

.hero__subtitle {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--text-400);
  max-width: 540px;
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero__subtitle strong { color: var(--blue-400); }

.hero__cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero__metrics {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.metric__value {
  font-size: 32px;
  font-weight: 800;
  font-family: var(--font-mono);
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.metric__label {
  font-size: 13px;
  color: var(--text-600);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-600);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce {
  0%,100%{transform:translateX(-50%) translateY(0)}
  50%{transform:translateX(-50%) translateY(8px)}
}

/* ── Stack Section ─────────────────────────────── */
.stack-section {
  background: var(--bg-800);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stack__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.stack__card {
  background: var(--grad-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.stack__card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent, var(--blue-400));
  opacity: 0;
  transition: var(--transition);
}
.stack__card:hover {
  border-color: rgba(99,179,237,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.stack__card:hover::before { opacity: 1; }

.stack__card-icon {
  font-size: 28px;
  color: var(--accent, var(--blue-400));
  margin-bottom: 16px;
}

.stack__card-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-100);
  margin-bottom: 8px;
  font-family: var(--font-mono);
}

.stack__card-desc {
  font-size: 14px;
  color: var(--text-400);
  margin-bottom: 20px;
  line-height: 1.6;
}

.level-bar {
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 4px;
  overflow: hidden;
  flex: 1;
}
.level-fill {
  height: 100%;
  background: var(--accent, var(--blue-400));
  border-radius: 4px;
  transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
}

.stack__card-level {
  display: flex;
  align-items: center;
  gap: 10px;
}
.level-label {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--accent, var(--blue-400));
  min-width: 36px;
  text-align: right;
}

/* ── Certificação Section ──────────────────────── */
.cert-section {
  background: var(--bg-900);
}

.cert__wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.cert__card {
  background: linear-gradient(145deg, rgba(17,25,39,0.98), rgba(13,20,33,0.99));
  border: 1px solid rgba(99,179,237,0.2);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 0 60px rgba(66,153,225,0.08);
  position: relative;
  overflow: hidden;
}
.cert__card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-main);
}

.cert__card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.cert__badge-usp {
  width: 52px;
  height: 52px;
  background: var(--grad-main);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
  flex-shrink: 0;
}

.cert__institution {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-100);
}
.cert__dept {
  display: block;
  font-size: 12px;
  color: var(--text-400);
  margin-top: 2px;
}

.cert__title {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-100);
  margin-bottom: 6px;
  line-height: 1.25;
}

.cert__type {
  font-size: 13px;
  color: var(--cyan-500);
  margin-bottom: 24px;
  font-style: italic;
}

.cert__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.cert__stat {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-400);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}
.cert__stat i { color: var(--blue-400); }
.cert__stat strong { color: var(--text-100); }

.cert__topics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.cert__topic {
  font-size: 12px;
  font-family: var(--font-mono);
  background: rgba(66,153,225,0.1);
  border: 1px solid rgba(66,153,225,0.2);
  color: var(--blue-400);
  padding: 4px 10px;
  border-radius: 100px;
}

.cert__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-600);
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.cert__area i { margin-right: 4px; color: var(--green-400); }

/* Cert info column */
.cert__info {
  padding: 20px 0;
}
.cert__info h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-100);
  margin-bottom: 16px;
  line-height: 1.3;
}
.cert__info p {
  font-size: 15px;
  color: var(--text-400);
  line-height: 1.75;
  margin-bottom: 24px;
}
.cert__info strong { color: var(--blue-400); }

.cert__benefits {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.cert__benefits li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-200);
}
.cert__benefits li i {
  width: 36px;
  height: 36px;
  background: rgba(66,153,225,0.08);
  border: 1px solid rgba(66,153,225,0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--blue-400);
}

/* ── Services Section ──────────────────────────── */
.services-section {
  background: var(--bg-800);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.service__card {
  background: var(--grad-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: var(--transition);
}
.service__card:hover {
  border-color: rgba(99,179,237,0.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.service__icon {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #fff;
  margin-bottom: 20px;
}

.service__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-100);
  margin-bottom: 10px;
}

.service__desc {
  font-size: 14px;
  color: var(--text-400);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.service__tags li {
  font-size: 11px;
  font-family: var(--font-mono);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text-400);
  padding: 3px 9px;
  border-radius: 4px;
}

/* ── About Section ─────────────────────────────── */
.about-section { background: var(--bg-900); }

.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about__code-window {
  background: var(--bg-700);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.code-window__header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-600);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot--red    { background: #fc8181; }
.dot--yellow { background: #f6e05e; }
.dot--green  { background: #68d391; }

.code-window__title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-600);
  margin-left: 8px;
}

.code-window__body {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.8;
  overflow-x: auto;
}
.code-window__body code { display: block; }

.c-keyword  { color: #b794f4; }
.c-class    { color: var(--cyan-400); }
.c-string   { color: var(--green-400); }
.c-punct    { color: var(--text-400); }
.c-comment  { color: var(--text-600); font-style: italic; }

.about__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.about__tag {
  font-size: 12px;
  font-family: var(--font-mono);
  background: rgba(66,153,225,0.08);
  border: 1px solid rgba(66,153,225,0.18);
  color: var(--blue-400);
  padding: 5px 12px;
  border-radius: 100px;
}

.about__content .section__tag { text-align: left; }
.about__content .section__title { text-align: left; font-size: clamp(24px,3vw,36px); }

.about__content p {
  font-size: 15px;
  color: var(--text-400);
  line-height: 1.8;
  margin-bottom: 16px;
}
.about__content p strong { color: var(--blue-400); }

.about__cta { margin-top: 32px; }

/* ── Contact Section ───────────────────────────── */
.contact-section {
  background: var(--bg-800);
  border-top: 1px solid var(--border);
}

.contact__wrapper {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  align-items: start;
}

.contact__form {
  background: var(--grad-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-200);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 14px;
  font-family: var(--font-sans);
  color: var(--text-100);
  transition: var(--transition);
  outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-600);
}
.form-group select option { background: var(--bg-700); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue-400);
  background: rgba(66,153,225,0.04);
  box-shadow: 0 0 0 3px rgba(66,153,225,0.1);
}
.form-group textarea { resize: vertical; }

.form-success {
  margin-top: 16px;
  padding: 12px 16px;
  background: rgba(104,211,145,0.08);
  border: 1px solid rgba(104,211,145,0.25);
  border-radius: var(--radius-sm);
  color: var(--green-400);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-blocked {
  margin-top: 12px;
  padding: 12px 16px;
  background: rgba(252,129,129,0.08);
  border: 1px solid rgba(252,129,129,0.25);
  border-radius: var(--radius-sm);
  color: var(--red-400);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Captcha Bar ─────────────────────────────────── */
.captcha-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  margin-bottom: 16px;
  transition: var(--transition);
}

/* Estados */
.captcha-bar.captcha--idle {
  border-color: var(--border);
}
.captcha-bar.captcha--active {
  border-color: rgba(66,153,225,0.4);
  background: rgba(66,153,225,0.04);
}
.captcha-bar.captcha--pass {
  border-color: rgba(104,211,145,0.4);
  background: rgba(104,211,145,0.04);
}
.captcha-bar.captcha--challenge {
  border-color: rgba(246,224,94,0.4);
  background: rgba(246,224,94,0.04);
}
.captcha-bar.captcha--block {
  border-color: rgba(252,129,129,0.4);
  background: rgba(252,129,129,0.04);
}

/* Indicador (dot + ícone) */
.captcha-bar__indicator {
  position: relative;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.captcha-bar__dot {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--text-600);
  opacity: 0.15;
}
.captcha--active  .captcha-bar__dot { background: var(--blue-400);   opacity: 0.2; animation: captcha-pulse 1.4s ease-in-out infinite; }
.captcha--pass    .captcha-bar__dot { background: var(--green-400);  opacity: 0.2; }
.captcha--challenge .captcha-bar__dot { background: var(--yellow-400); opacity: 0.2; }
.captcha--block   .captcha-bar__dot { background: var(--red-400);    opacity: 0.2; }

@keyframes captcha-pulse {
  0%,100% { transform: scale(1);   opacity: 0.2; }
  50%     { transform: scale(1.3); opacity: 0.08; }
}

.captcha-bar__indicator i {
  font-size: 14px;
  position: relative;
  z-index: 1;
}
.captcha--idle      .captcha-bar__indicator i { color: var(--text-600); }
.captcha--active    .captcha-bar__indicator i { color: var(--blue-400); }
.captcha--pass      .captcha-bar__indicator i { color: var(--green-400); }
.captcha--challenge .captcha-bar__indicator i { color: var(--yellow-400); }
.captcha--block     .captcha-bar__indicator i { color: var(--red-400); }

/* Texto */
.captcha-bar__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.captcha-bar__label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-600);
}
.captcha-bar__status {
  font-size: 13px;
  color: var(--text-200);
  font-family: var(--font-mono);
}

/* Score arc (SVG) */
.captcha-bar__score {
  position: relative;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}
.captcha-arc {
  width: 36px;
  height: 36px;
  transform: rotate(-90deg);
}
.captcha-arc__bg {
  fill: none;
  stroke: rgba(255,255,255,0.06);
  stroke-width: 3;
}
.captcha-arc__fill {
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
  transition: stroke-dasharray 0.6s ease;
}
.captcha--idle      .captcha-arc__fill { stroke: var(--text-600); }
.captcha--active    .captcha-arc__fill { stroke: var(--blue-400); }
.captcha--pass      .captcha-arc__fill { stroke: var(--green-400); }
.captcha--challenge .captcha-arc__fill { stroke: var(--yellow-400); }
.captcha--block     .captcha-arc__fill { stroke: var(--red-400); }

.captcha-arc__label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-400);
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-top: 20px;
}

.contact__info-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact__info-icon {
  width: 44px;
  height: 44px;
  background: rgba(66,153,225,0.08);
  border: 1px solid rgba(66,153,225,0.18);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-400);
  flex-shrink: 0;
  font-size: 16px;
}

.contact__info-label {
  display: block;
  font-size: 11px;
  color: var(--text-600);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 2px;
}

.contact__info-value {
  font-size: 14px;
  color: var(--text-200);
  transition: var(--transition);
}
.contact__info-value:hover { color: var(--blue-400); }

.contact__availability {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--green-400);
  font-weight: 500;
  padding: 12px 16px;
  background: rgba(104,211,145,0.05);
  border: 1px solid rgba(104,211,145,0.15);
  border-radius: var(--radius-sm);
  margin-top: 8px;
}

.availability-dot {
  width: 8px;
  height: 8px;
  background: var(--green-400);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes pulse {
  0%,100%{box-shadow:0 0 0 0 rgba(104,211,145,0.4)}
  50%{box-shadow:0 0 0 8px rgba(104,211,145,0)}
}

/* ── Footer ────────────────────────────────────── */
.footer {
  background: var(--bg-900);
  border-top: 1px solid var(--border);
  padding: 48px 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

.footer__logo-img {
  height: 72px;
  width: auto;
  object-fit: contain;
  display: block;
  margin: 0 auto;
  filter: drop-shadow(0 2px 10px rgba(0,0,0,0.4)) brightness(1.08);
  transition: filter 0.3s ease, transform 0.3s ease;
}
.footer__brand a:hover .footer__logo-img {
  filter: drop-shadow(0 4px 16px rgba(66,153,225,0.45)) brightness(1.15);
  transform: translateY(-3px);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer__brand p {
  font-size: 13px;
  color: var(--text-600);
  margin-top: 10px;
  text-align: center;
}

.footer__links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer__links a {
  font-size: 13px;
  color: var(--text-600);
  transition: var(--transition);
}
.footer__links a:hover { color: var(--blue-400); }

.footer__copy {
  font-size: 12px;
  color: var(--text-600);
}

/* ── Responsive ────────────────────────────────── */
@media (max-width: 900px) {
  .cert__wrapper,
  .about__inner,
  .contact__wrapper {
    grid-template-columns: 1fr;
  }

  .about__visual { order: -1; }
}

@media (max-width: 768px) {
  .navbar__links {
    position: fixed;
    top: 0; right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-800);
    border-left: 1px solid var(--border);
    flex-direction: column;
    justify-content: center;
    gap: 32px;
    padding: 40px;
    transition: right 0.3s ease;
  }
  .navbar__links--open { right: 0; }
  .navbar__burger { display: flex; }

  .hero__cta { flex-direction: column; }
  .hero__metrics { gap: 24px; }

  .stack__grid { grid-template-columns: 1fr; }
  .services__grid { grid-template-columns: 1fr; }
  .cert__stats { grid-template-columns: 1fr; }

  .contact__form { padding: 24px; }
}

@media (max-width: 480px) {
  .section { padding: 72px 0; }
  .hero__title { font-size: 40px; }
}
