/* Anderson Mesquita — Premium Light Executive Portfolio */

:root {
  --bg: #F8FAFC;
  --bg-secondary: #EEF4FF;
  --bg-secondary-alt: #F0FDFA;
  --surface: #FFFFFF;
  --surface-elevated: #FFFFFF;
  --border: rgba(15, 23, 42, 0.08);
  --border-accent: rgba(37, 99, 235, 0.22);
  --text: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --blue: #2563EB;
  --blue-hover: #1D4ED8;
  --cyan: #0284C7;
  --accent: #0EA5E9;
  --violet: #6366F1;
  --mint: #059669;
  --amber: #D97706;
  --gradient-brand: linear-gradient(135deg, #2563EB 0%, #0EA5E9 55%, #6366F1 100%);
  --gradient-text: linear-gradient(135deg, #1D4ED8 0%, #0284C7 50%, #6366F1 100%);
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.03);
  --shadow-md: 0 4px 20px rgba(37, 99, 235, 0.08);
  --shadow-lg: 0 12px 40px rgba(37, 99, 235, 0.1);
  --font: 'Plus Jakarta Sans', system-ui, sans-serif;
  --header-h: 76px;
  --container: 1140px;
  --radius: 14px;
  --radius-lg: 20px;
  --ease: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
}

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-secondary);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2rem);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.75rem 1.25rem;
  background: var(--blue);
  color: #FFFFFF;
  border-radius: 8px;
  font-weight: 600;
  transition: top var(--ease);
}
.skip-link:focus { top: 1rem; }

/* Typography */
.text-accent {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.875rem;
  padding: 0.375rem 0.875rem;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.14);
  border-radius: 100px;
}

.section-title {
  font-size: clamp(1.875rem, 4.2vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--text);
  max-width: min(100%, 46rem);
  text-wrap: balance;
}

.section-desc,
.section-lead {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 42rem;
}

.section-lead { max-width: 36rem; }

.section-header { margin-bottom: clamp(2.5rem, 5vw, 3.5rem); }

.section-header--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: end;
}

.section-header--center {
  text-align: center;
}

.section-header--center .section-title,
.section-header--center .section-desc {
  margin-inline: auto;
}

.section-header--center .section-title {
  max-width: min(100%, 40rem);
}

@media (min-width: 900px) {
  .section-header--split {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
  .section-header--split .section-title {
    max-width: 100%;
  }
}

.section {
  padding-block: clamp(5rem, 9vw, 8rem);
  position: relative;
}

.section--surface {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg) 100%);
  border-block: 1px solid rgba(37, 99, 235, 0.08);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9375rem 1.75rem;
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: background var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.btn--primary {
  background: var(--gradient-brand);
  color: #FFFFFF;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.28);
}

.btn--primary:hover {
  background: linear-gradient(135deg, #1D4ED8 0%, #0284C7 55%, #4F46E5 100%);
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(37, 99, 235, 0.32);
}

.btn--secondary {
  background: var(--surface);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.btn--secondary:hover {
  border-color: var(--border-accent);
  color: var(--text);
  background: var(--surface);
  box-shadow: var(--shadow-md);
}

.btn--sm { padding: 0.625rem 1.125rem; font-size: 0.875rem; }
.btn--lg { padding: 1rem 2rem; font-size: 1rem; }

.btn__icon { flex-shrink: 0; }

@media (max-width: 480px) {
  .hero__actions .btn {
    width: 100%;
    white-space: normal;
    text-align: center;
  }
}

/* Header */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: var(--header-h);
  transition: background var(--ease), border-color var(--ease);
}

.header--scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  z-index: 1001;
}

.logo:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
  border-radius: 8px;
}

.logo__mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--gradient-brand);
  border: none;
  border-radius: 10px;
  font-size: 0.9375rem;
  font-weight: 700;
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.28);
}

.logo__text { display: none; }

@media (min-width: 520px) { .logo__text { display: inline; } }

.nav { display: none; align-items: center; gap: 2rem; }

.nav__list { display: flex; gap: 1.75rem; }

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--ease);
}

.nav__link:hover,
.nav__link--active { color: var(--blue); }

.nav__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
  border-radius: 4px;
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.menu-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--ease), opacity var(--ease);
}

.menu-toggle--open .menu-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle--open .menu-toggle__bar:nth-child(2) { opacity: 0; }
.menu-toggle--open .menu-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (min-width: 992px) {
  .nav { display: flex; }
  .menu-toggle { display: none; }
}

@media (max-width: 991px) {
  .nav {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(24px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--ease), visibility var(--ease);
  }
  .nav--open { display: flex; opacity: 1; visibility: visible; }
  .nav__list { flex-direction: column; gap: 1.5rem; text-align: center; }
  .nav__link { font-size: 1.125rem; }
}

/* Hero */
.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  position: relative;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 5% 0%, rgba(37, 99, 235, 0.12) 0%, transparent 55%),
    radial-gradient(ellipse 55% 45% at 95% 15%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 80% 90%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse 40% 35% at 20% 85%, rgba(5, 150, 105, 0.06) 0%, transparent 45%),
    linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}

.hero__line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.35), rgba(14, 165, 233, 0.35), transparent);
  opacity: 0.7;
}

.hero__line--1 { top: 28%; left: 0; right: 0; }
.hero__line--2 { top: 72%; left: 10%; right: 10%; opacity: 0.25; }

.hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 1;
  padding-block: clamp(3rem, 7vw, 6rem);
}

@media (min-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 4.5rem;
  }
}

.hero__eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--blue);
  margin-bottom: 1.25rem;
  padding: 0.4rem 0.875rem;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.14);
  border-radius: 100px;
}

.hero__title {
  font-size: clamp(2.125rem, 5.5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1.5rem;
  max-width: min(100%, 42rem);
  text-wrap: balance;
}

.hero__subtitle {
  font-size: clamp(1.0625rem, 2vw, 1.1875rem);
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 38rem;
  margin-bottom: 2.25rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
}

/* Executive panel */
.exec-panel {
  background: var(--surface);
  border: 1px solid rgba(37, 99, 235, 0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.exec-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.125rem 1.5rem;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.06) 0%, rgba(14, 165, 233, 0.04) 100%);
  border-bottom: 1px solid rgba(37, 99, 235, 0.1);
}

.exec-panel__label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.exec-panel__status {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--mint);
  padding: 0.25rem 0.625rem;
  background: rgba(5, 150, 105, 0.1);
  border: 1px solid rgba(5, 150, 105, 0.18);
  border-radius: 100px;
}

.exec-panel__item--featured {
  background: rgba(37, 99, 235, 0.06);
}

.exec-panel__item--accent {
  background: rgba(5, 150, 105, 0.05);
}

.exec-panel__item:nth-child(1) { background: rgba(37, 99, 235, 0.05); }
.exec-panel__item:nth-child(2) { background: rgba(14, 165, 233, 0.05); }
.exec-panel__item:nth-child(3) { background: rgba(99, 102, 241, 0.05); }
.exec-panel__item:nth-child(4) { background: rgba(5, 150, 105, 0.05); }

.exec-panel__grid {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 520px) {
  .exec-panel__grid { grid-template-columns: 1fr 1fr; }
}

.exec-panel__item {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

.exec-panel__item:nth-child(2n) { border-right: none; }
.exec-panel__item:nth-last-child(-n+2) { border-bottom: none; }

@media (max-width: 519px) {
  .exec-panel__item { border-right: none; }
  .exec-panel__item:last-child { border-bottom: none; }
}

.exec-panel__key {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.375rem;
}

.exec-panel__value {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 0.25rem;
}

.exec-panel__meta {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* About */
.about-statement {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 42rem;
  margin-bottom: 3rem;
  padding: 1.25rem 1.25rem 1.25rem 1.5rem;
  border-left: 3px solid transparent;
  border-image: linear-gradient(180deg, var(--blue), var(--accent), var(--violet)) 1;
  background: linear-gradient(90deg, rgba(37, 99, 235, 0.05) 0%, transparent 100%);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.pillars {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .pillars { grid-template-columns: repeat(2, 1fr); }
}

.pillar {
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--ease), box-shadow var(--ease);
}

.pillar:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-md);
}

.pillar--wide {
  grid-column: 1 / -1;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.pillar__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 1rem;
  background: rgba(37, 99, 235, 0.1);
  border-radius: 10px;
  color: var(--blue);
  flex-shrink: 0;
}

.pillar:nth-child(2) .pillar__icon { background: rgba(14, 165, 233, 0.12); color: var(--accent); }
.pillar:nth-child(3) .pillar__icon { background: rgba(99, 102, 241, 0.12); color: var(--violet); }
.pillar:nth-child(4) .pillar__icon { background: rgba(5, 150, 105, 0.12); color: var(--mint); }
.pillar:nth-child(5) .pillar__icon { background: rgba(217, 119, 6, 0.12); color: var(--amber); }

.pillar--wide .pillar__icon { margin-bottom: 0; }

.pillar__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.375rem;
}

.pillar__desc {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--text-muted);
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .services-grid { grid-template-columns: repeat(3, 1fr); } }

.service-card {
  display: flex;
  flex-direction: column;
  padding: 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}

.service-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.service-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.service-card__num {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  opacity: 0.6;
}

.service-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(37, 99, 235, 0.1);
  border-radius: 8px;
  color: var(--blue);
}

.service-card:nth-child(2) .service-card__icon { background: rgba(14, 165, 233, 0.12); color: var(--accent); }
.service-card:nth-child(3) .service-card__icon { background: rgba(99, 102, 241, 0.12); color: var(--violet); }
.service-card:nth-child(4) .service-card__icon { background: rgba(5, 150, 105, 0.12); color: var(--mint); }
.service-card:nth-child(5) .service-card__icon { background: rgba(217, 119, 6, 0.12); color: var(--amber); }
.service-card:nth-child(6) .service-card__icon { background: rgba(37, 99, 235, 0.12); color: var(--blue); }

.service-card__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
  margin-bottom: 0.625rem;
}

.service-card__desc {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 1rem;
  flex-grow: 1;
}

.service-card__value {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--mint);
  padding-top: 1rem;
  border-top: 1px solid rgba(5, 150, 105, 0.15);
  line-height: 1.5;
}

/* Education */
.edu-highlights {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 3rem;
}

@media (min-width: 640px) { .edu-highlights { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .edu-highlights { grid-template-columns: repeat(5, 1fr); } }

.edu-highlight {
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--ease), box-shadow var(--ease);
}

.edu-highlight:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-md);
}

.edu-highlight__tag {
  display: inline-block;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.625rem;
  padding: 0.2rem 0.5rem;
  background: rgba(37, 99, 235, 0.1);
  border-radius: 4px;
}

.edu-highlight:nth-child(2) .edu-highlight__tag { color: var(--accent); background: rgba(14, 165, 233, 0.12); }
.edu-highlight:nth-child(3) .edu-highlight__tag { color: var(--violet); background: rgba(99, 102, 241, 0.12); }
.edu-highlight:nth-child(4) .edu-highlight__tag { color: var(--accent); background: rgba(14, 165, 233, 0.12); }
.edu-highlight:nth-child(5) .edu-highlight__tag { color: var(--amber); background: rgba(217, 119, 6, 0.12); }

.edu-highlight__title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.35;
  margin-bottom: 0.375rem;
}

.edu-highlight__meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.edu-blocks {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 900px) {
  .edu-blocks { grid-template-columns: repeat(3, 1fr); }
}

.edu-block {
  padding: 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.edu-block__title {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(37, 99, 235, 0.12);
}

.edu-block:nth-child(2) .edu-block__title { color: var(--accent); border-bottom-color: rgba(14, 165, 233, 0.15); }
.edu-block:nth-child(3) .edu-block__title { color: var(--violet); border-bottom-color: rgba(99, 102, 241, 0.15); }

.edu-block__list li {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-secondary);
  padding-block: 0.625rem;
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.edu-block__list li:last-child { border-bottom: none; }

/* Portfolio */
.portfolio-group { margin-bottom: 3rem; }
.portfolio-group:last-of-type { margin-bottom: 2rem; }

.portfolio-group__title {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.portfolio-group__title::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gradient-brand);
  flex-shrink: 0;
}

.portfolio-group:nth-child(2) .portfolio-group__title { color: var(--accent); }
.portfolio-group:nth-child(3) .portfolio-group__title { color: var(--violet); }

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.portfolio-grid--2 { }
.portfolio-grid--3 { }

@media (min-width: 640px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid--3 { grid-template-columns: repeat(3, 1fr); }
}

.portfolio-card {
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}

.portfolio-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.portfolio-card--featured {
  padding: 2.25rem;
  background: linear-gradient(145deg, rgba(37, 99, 235, 0.04) 0%, #FFFFFF 60%, rgba(14, 165, 233, 0.03) 100%);
  border-color: rgba(37, 99, 235, 0.18);
  box-shadow: var(--shadow-md);
}

.portfolio-card__category {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.875rem;
  padding: 0.25rem 0.625rem;
  background: rgba(37, 99, 235, 0.1);
  border-radius: 100px;
}

.portfolio-card__title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.625rem;
  letter-spacing: -0.02em;
}

.portfolio-card__desc {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-muted);
}

.portfolio-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding: 1rem 1.25rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 42rem;
}

/* Tech groups */
.tech-groups {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) { .tech-groups { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .tech-groups { grid-template-columns: repeat(3, 1fr); } }

.tech-group {
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.tech-group:nth-child(1) { border-top: 3px solid var(--blue); }
.tech-group:nth-child(2) { border-top: 3px solid var(--accent); }
.tech-group:nth-child(3) { border-top: 3px solid var(--violet); }
.tech-group:nth-child(4) { border-top: 3px solid var(--mint); }
.tech-group:nth-child(5) { border-top: 3px solid var(--amber); }

.tech-group__title {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1rem;
}

.tech-group__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tag {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid rgba(37, 99, 235, 0.1);
  border-radius: 6px;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.tech-tag:hover {
  background: rgba(37, 99, 235, 0.08);
  color: var(--blue);
  border-color: rgba(37, 99, 235, 0.2);
}

/* Process */
.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1280px) { .process-grid { grid-template-columns: repeat(3, 1fr); } }

.process-step {
  padding: 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--ease), box-shadow var(--ease);
}

.process-step:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-md);
}

.process-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  padding-inline: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #FFFFFF;
  background: var(--gradient-brand);
  border-radius: 8px;
  margin-bottom: 0.875rem;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.25);
}

.process-step:nth-child(2) .process-step__num { background: linear-gradient(135deg, #0EA5E9, #0284C7); }
.process-step:nth-child(3) .process-step__num { background: linear-gradient(135deg, #6366F1, #4F46E5); }
.process-step:nth-child(4) .process-step__num { background: linear-gradient(135deg, #059669, #047857); }
.process-step:nth-child(5) .process-step__num { background: linear-gradient(135deg, #D97706, #B45309); }
.process-step:nth-child(6) .process-step__num { background: linear-gradient(135deg, #2563EB, #6366F1); }

.process-step__title {
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 0.5rem;
  text-wrap: balance;
}

.process-step__desc {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--text-muted);
}

/* CTA Banner */
.cta-section { padding-block: clamp(3rem, 6vw, 5rem); }

.cta-banner {
  text-align: center;
  padding: clamp(3rem, 6vw, 5rem) clamp(1.5rem, 4vw, 3rem);
  background:
    linear-gradient(160deg, rgba(37, 99, 235, 0.1) 0%, #FFFFFF 40%, rgba(99, 102, 241, 0.08) 70%, rgba(14, 165, 233, 0.08) 100%);
  border: 1px solid rgba(37, 99, 235, 0.2);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.08), transparent 45%),
    radial-gradient(circle at 80% 80%, rgba(14, 165, 233, 0.08), transparent 45%);
  pointer-events: none;
}

.cta-banner__title {
  font-size: clamp(1.625rem, 3.5vw, 2.25rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: min(100%, 40rem);
  margin-inline: auto;
  margin-bottom: 1rem;
  position: relative;
  text-wrap: balance;
}

.cta-banner__text {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 36rem;
  margin-inline: auto;
  margin-bottom: 2rem;
  position: relative;
}

.btn--cta { position: relative; }

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: 720px;
  margin-inline: auto;
}

.contact-tile {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--ease), background var(--ease), transform var(--ease), box-shadow var(--ease);
}

a.contact-tile:hover {
  border-color: var(--border-accent);
  background: var(--surface);
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

a.contact-tile:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.contact-tile--primary {
  border-color: rgba(37, 99, 235, 0.25);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.07) 0%, rgba(14, 165, 233, 0.04) 50%, #FFFFFF 100%);
}

.contact-tile__icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: var(--bg-secondary);
  border-radius: 12px;
  color: var(--blue);
}

.contact-tile--muted {
  opacity: 0.5;
  cursor: default;
}

.contact-tile__icon--whatsapp {
  background: rgba(37, 211, 102, 0.12);
  color: #25D366;
}

.contact-tile__body { flex: 1; min-width: 0; }

.contact-tile__label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.contact-tile__value {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  word-break: break-word;
}

.contact-tile__value--muted {
  font-weight: 500;
  font-style: italic;
  color: var(--text-muted);
}

.contact-tile__detail {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.125rem;
}

.contact-tile__arrow {
  font-size: 1.25rem;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform var(--ease), color var(--ease);
}

a.contact-tile:hover .contact-tile__arrow {
  transform: translateX(4px);
  color: var(--blue);
}

/* Footer */
.footer {
  padding-block: 2.5rem;
  border-top: 1px solid var(--border);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem;
  align-items: center;
}

.footer__brand { grid-column: 1 / -1; }

.footer__name {
  display: block;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.footer__text {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer__copy {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer__top {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-muted);
  transition: border-color var(--ease), color var(--ease);
}

.footer__top:hover {
  border-color: var(--border-accent);
  color: var(--blue);
}

.footer__top:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

@media (min-width: 640px) {
  .footer__inner {
    grid-template-columns: 1fr auto auto;
  }
  .footer__brand { grid-column: auto; }
}

/* WhatsApp float */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
  transition: transform var(--ease);
}

.whatsapp-float:hover { transform: scale(1.06); }

.whatsapp-float:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

/* Back to top */
.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-muted);
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity var(--ease), transform var(--ease), border-color var(--ease), color var(--ease);
}

.back-to-top--visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  border-color: var(--border-accent);
  color: var(--blue);
}

.back-to-top:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s cubic-bezier(0.4, 0, 0.2, 1), transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal--delay { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--visible { opacity: 1; transform: translateY(0); }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn:hover, .service-card:hover, .portfolio-card:hover,
  a.contact-tile:hover { transform: none; }
}