:root {
  --c-primary: #0F172A;
  --c-primary-2: #1E293B;
  --c-primary-3: #334155;
  --c-bg: #FFFFFF;
  --c-bg-alt: #F8FAFC;
  --c-bg-soft: #F1F5F9;
  --c-text: #0F172A;
  --c-text-soft: #475569;
  --c-text-light: #CBD5E1;
  --c-border: #E2E8F0;
  --c-accent: #0EA5E9;
  --c-accent-dark: #0284C7;
  --c-accent-soft: #E0F2FE;
  --c-white: #FFFFFF;
  --gradient: linear-gradient(135deg, #0F172A 0%, #0EA5E9 100%);
  --gradient-soft: linear-gradient(135deg, rgba(15,23,42,0.95) 0%, rgba(14,165,233,0.85) 100%);
  --glass-bg-dark: rgba(15, 23, 42, 0.4);
  --glass-bg-light: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --shadow-sm: 0 1px 2px rgba(15,23,42,0.06);
  --shadow: 0 4px 16px rgba(15,23,42,0.08);
  --shadow-lg: 0 12px 40px rgba(15,23,42,0.12);
  --shadow-accent: 0 8px 24px rgba(14,165,233,0.3);
  --shadow-glow: 0 0 20px rgba(14, 165, 233, 0.4), 0 0 40px rgba(14, 165, 233, 0.2);
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --container: 1140px;
  --space-section: 96px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

img {
  max-width: 100%;
  height: auto;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 9999;
  background: var(--c-accent);
  color: var(--c-primary);
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: 600;
  transition: top 0.2s var(--ease);
}
.skip-link:focus {
  top: 16px;
}

:focus-visible {
  outline: 3px solid var(--c-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 20px;
}
.eyebrow--light {
  color: var(--c-accent-dark);
}
.eyebrow--pill {
  padding: 6px 16px;
  background: var(--glass-bg-light);
  border: 1px solid var(--glass-border);
  border-radius: 9999px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}
.eyebrow__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 10px var(--c-accent), 0 0 0 3px rgba(14, 165, 233, 0.25);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 10px var(--c-accent), 0 0 0 3px rgba(14, 165, 233, 0.25);
  }
  50% {
    transform: scale(1.2);
    box-shadow: 0 0 16px var(--c-accent), 0 0 0 5px rgba(14, 165, 233, 0.4);
  }
}


.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.25s var(--ease);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -120%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transform: skewX(-20deg);
  transition: left 0.9s var(--ease);
  pointer-events: none;
}
.btn:hover::before {
  left: 130%;
}
.btn--accent {
  background: var(--c-accent);
  color: var(--c-primary);
  box-shadow: var(--shadow-accent);
}
.btn--accent:hover {
  background: var(--c-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(14,165,233,0.4), var(--shadow-glow);
}
.btn--ghost {
  background: transparent;
  color: var(--c-white);
  border-color: rgba(255,255,255,0.25);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.4);
  transform: translateY(-2px);
}
.btn--whatsapp {
  background: #25D366;
  color: var(--c-white);
  box-shadow: 0 8px 24px rgba(37,211,102,0.3);
}
.btn--whatsapp:hover {
  background: #1FAA54;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(37,211,102,0.4);
}
.btn--linkedin {
  background: #0A66C2;
  color: var(--c-white);
  box-shadow: 0 8px 24px rgba(10,102,194,0.3);
}
.btn--linkedin:hover {
  background: #084E94;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(10,102,194,0.4);
}
.btn--github {
  background: #24292F;
  color: var(--c-white);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.btn--github:hover {
  background: #1B1F23;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.3);
}
.btn--sm {
  padding: 8px 18px;
  font-size: 0.875rem;
}
.btn--lg {
  padding: 15px 32px;
  font-size: 1rem;
}

.section__title--light + .btn--ghost,
.section--light .btn--ghost {
  color: var(--c-text);
  border-color: var(--c-border);
}
.section--light .btn--ghost:hover {
  background: var(--c-bg-soft);
  border-color: var(--c-primary-3);
  color: var(--c-primary);
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 16, 32, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.nav.scrolled {
  background: rgba(8, 14, 28, 0.96);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--c-white);
}
.nav__mark {
  display: flex;
  align-items: center;
}
.nav__name {
  letter-spacing: -0.01em;
}
.nav__menu {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav__menu a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  transition: color 0.2s var(--ease);
  position: relative;
}
.nav__menu a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--c-accent);
  border-radius: 2px;
  transition: width 0.3s var(--ease);
}
.nav__menu a:not(.btn):hover::after,
.nav__menu a:not(.btn):focus-visible::after {
  width: 100%;
}
.nav__menu a:hover {
  color: var(--c-white);
}
.nav__menu a.btn {
  background: #0EA5E9;
  color: #070D1B !important;
  font-weight: 700;
  border-radius: 9999px;
  padding: 8px 22px;
  box-shadow: 0 0 18px rgba(14, 165, 233, 0.45);
  border: none;
  transition: all 0.3s var(--ease);
}
.nav__menu a.btn:hover {
  background: #38BDF8;
  transform: translateY(-1px);
  box-shadow: 0 0 26px rgba(14, 165, 233, 0.7);
}
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}
.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--c-white);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}
.nav__toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav__toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  padding: 150px 0 90px;
  background: #080E1E;
  color: var(--c-white);
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 85% 65% at 50% 35%, black 30%, transparent 95%);
  -webkit-mask-image: radial-gradient(ellipse 85% 65% at 50% 35%, black 30%, transparent 95%);
}
.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}
.hero__glow--one {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.45) 0%, rgba(14, 165, 233, 0) 70%);
  top: -80px;
  right: -80px;
  animation: float-glow-1 9s ease-in-out infinite alternate;
}
.hero__glow--two {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.35) 0%, rgba(37, 99, 235, 0) 70%);
  bottom: -60px;
  left: -80px;
  animation: float-glow-2 11s ease-in-out infinite alternate;
}
@keyframes float-glow-1 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(30px, 40px) scale(1.1); }
}
@keyframes float-glow-2 {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-30px, -30px) scale(1.15); }
}
.hero__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}
.hero__title {
  font-size: clamp(2.75rem, 6.5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}
.hero__title-accent {
  display: block;
  font-size: clamp(1.25rem, 3.2vw, 1.875rem);
  font-weight: 600;
  color: #38BDF8;
  margin-top: 14px;
  line-height: 1.35;
  letter-spacing: -0.01em;
  text-shadow: 0 0 24px rgba(14, 165, 233, 0.45);
}
.hero__sub {
  font-size: clamp(1rem, 1.8vw, 1.125rem);
  line-height: 1.75;
  color: rgba(226, 232, 240, 0.85);
  max-width: 720px;
  margin: 24px auto 36px;
}
.hero__sub strong {
  color: var(--c-white);
  font-weight: 600;
}
.hero__cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}
.hero__cta .btn--accent {
  background: #0EA5E9;
  color: #070D1B;
  font-weight: 700;
  border-radius: 10px;
  padding: 14px 32px;
  box-shadow: 0 4px 25px rgba(14, 165, 233, 0.45);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.hero__cta .btn--accent:hover {
  background: #38BDF8;
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(14, 165, 233, 0.65), 0 0 20px rgba(14, 165, 233, 0.5);
}
.hero__cta .btn--ghost {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  font-weight: 600;
  border-radius: 10px;
  padding: 14px 32px;
  backdrop-filter: blur(10px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.hero__cta .btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(14, 165, 233, 0.6);
  color: #FFFFFF;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3), 0 0 15px rgba(14, 165, 233, 0.2);
}
.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding-top: 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.hero__stat {
  text-align: center;
}
.hero__stat-num {
  display: block;
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 800;
  color: var(--c-accent);
  letter-spacing: -0.02em;
  text-shadow: 0 0 24px rgba(14, 165, 233, 0.4);
}
.hero__stat-label {
  font-size: 0.875rem;
  color: rgba(226, 232, 240, 0.7);
  margin-top: 6px;
  font-weight: 500;
}

.section {
  padding: var(--space-section) 0;
}
.section--light {
  background: var(--c-bg);
  color: var(--c-text);
}
.section--dark {
  background: var(--c-primary);
  color: var(--c-white);
}
.section--alt {
  background: var(--c-bg-alt);
}
.section__head {
  margin-bottom: 56px;
}
.section__head--center {
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.section__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.section__title--light {
  color: var(--c-white);
}
.section__lead {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--c-text-soft);
  max-width: 640px;
}
.section__head--center .section__lead {
  margin: 0 auto;
}
.section__lead--light {
  color: rgba(255,255,255,0.7);
}

.about {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  align-items: start;
}
.about__avatar {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.16), 0 0 0 4px rgba(14, 165, 233, 0.25);
  border: 4px solid var(--c-white);
  position: sticky;
  top: 96px;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.about__avatar:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 20px 48px rgba(15, 23, 42, 0.22), 0 0 0 5px rgba(14, 165, 233, 0.5);
}
.about__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform 0.4s var(--ease);
}
.about__avatar:hover img {
  transform: scale(1.06);
}
.about__copy {
  max-width: 680px;
}
.about__text {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--c-text-soft);
  margin-bottom: 16px;
}
.about__text strong {
  color: var(--c-text);
  font-weight: 600;
}
.about__contact {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}
.skill-card {
  background: var(--glass-bg-dark);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-glass);
  transition: all 0.3s var(--ease);
}
.skill-card:hover {
  background: rgba(14,165,233,0.1);
  border-color: rgba(14,165,233,0.5);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}
.skill-card__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  background: rgba(14,165,233,0.15);
  color: var(--c-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.skill-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--c-white);
}
.skill-card__text {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
  margin-bottom: 16px;
}
.skill-card__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.skill-card__list li {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.8);
  padding-left: 20px;
  position: relative;
}
.skill-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--c-accent);
  border-radius: 2px;
}

.skills__soft {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.skills__soft-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: 8px;
}
.chip {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 100px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  font-size: 0.8125rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  transition: all 0.2s var(--ease);
}
.chip:hover {
  background: rgba(14,165,233,0.15);
  border-color: rgba(14,165,233,0.3);
  color: var(--c-accent);
}

.timeline {
  position: relative;
  padding-left: 32px;
  max-width: 820px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-accent) 0%, var(--c-border) 100%);
}
.timeline__item {
  position: relative;
  padding-bottom: 48px;
}
.timeline__item:last-child {
  padding-bottom: 0;
}
.timeline__dot {
  position: absolute;
  left: -32px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--c-bg);
  border: 3px solid var(--c-accent);
  z-index: 1;
}
.timeline__content {
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  transition: all 0.3s var(--ease);
}
.timeline__content:hover {
  border-color: var(--c-accent);
  box-shadow: var(--shadow);
  transform: translateX(4px);
}
.timeline__date {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--c-accent-dark);
  background: var(--c-accent-soft);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 12px;
}
.timeline__title {
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 4px;
}
.timeline__org {
  display: block;
  font-size: 0.9375rem;
  color: var(--c-text-soft);
  font-weight: 500;
  margin-bottom: 12px;
}
.timeline__text {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--c-text-soft);
  margin-bottom: 16px;
}
.timeline__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.timeline__tags li {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--c-primary-3);
  background: var(--c-bg-soft);
  padding: 4px 10px;
  border-radius: 6px;
}

.projects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.project-card {
  background: var(--glass-bg-dark);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-glass);
  transition: all 0.3s var(--ease);
  display: flex;
  flex-direction: column;
}
.project-card:hover {
  background: rgba(14,165,233,0.1);
  border-color: rgba(14,165,233,0.5);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}
.project-card--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0;
}
.project-card__badge {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 2;
  background: var(--c-accent);
  color: var(--c-primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 100px;
  box-shadow: var(--shadow-accent);
}
.project-card__mockup {
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  position: relative;
}
.project-card__body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.project-card--featured > .project-card__body {
  justify-content: center;
}
.project-card__title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--c-white);
  letter-spacing: -0.02em;
}
.project-card__text {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.7);
}
.project-card__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.project-card__stack li {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--c-accent);
  background: rgba(14,165,233,0.1);
  border: 1px solid rgba(14,165,233,0.2);
  padding: 5px 12px;
  border-radius: 6px;
}
.project-card__links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.pub-card {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
  padding: 40px 40px 40px 46px;
  box-shadow: var(--shadow-lg);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.pub-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 6px;
  background: var(--gradient);
}
.pub-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-accent);
}
.pub-card__side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}
.pub-card__icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: var(--c-accent-soft);
  color: var(--c-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.pub-card__type {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-accent);
}
.pub-card__date {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--c-text-soft);
}
.pub-card__logo {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  object-fit: cover;
  border: 1px solid var(--c-border);
  margin-top: 8px;
}
.pub-card__venue {
  font-size: 0.75rem;
  color: var(--c-text-soft);
  line-height: 1.5;
}
.pub-card__title {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}
.pub-card__authors {
  font-size: 0.88rem;
  color: var(--c-text-soft);
  line-height: 1.6;
}
.pub-card__authors strong {
  color: var(--c-text);
}
.pub-card__advisor {
  font-size: 0.82rem;
  color: var(--c-text-soft);
  margin-bottom: 16px;
}
.pub-card__text {
  font-size: 0.95rem;
  color: var(--c-text-soft);
  line-height: 1.7;
  margin-bottom: 18px;
}
.pub-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin-bottom: 22px;
}
.pub-card__tags li {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--c-accent-dark);
  background: rgba(14,165,233,0.1);
  border: 1px solid rgba(14,165,233,0.2);
  padding: 5px 12px;
  border-radius: 6px;
}
.pub-card__links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.pub-card__meta {
  font-size: 0.75rem;
  color: var(--c-text-soft);
}
@media (max-width: 880px) {
  .pub-card {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 28px 24px 28px 30px;
  }
}

.appmock {
  width: 100%;
  max-width: 420px;
  background: #ffffff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,0.06);
  transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
  transition: transform 400ms ease;
}
.appmock:hover {
  transform: perspective(1000px) rotateY(0) rotateX(0);
}
@media (max-width: 960px) {
  .appmock {
    transform: none;
  }
}
.appmock__bar {
  display: flex;
  gap: 5px;
  padding: 9px 12px;
  background: #f1f5f9;
  border-bottom: 1px solid rgba(15,23,42,0.08);
}
.appmock__bar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #cbd5e1;
}
.appmock__bar span:nth-child(1) { background: #ef4444; }
.appmock__bar span:nth-child(2) { background: #f59e0b; }
.appmock__bar span:nth-child(3) { background: #10b981; }
.appmock__screen {
  display: grid;
  grid-template-columns: 118px 1fr;
  grid-template-rows: auto 1fr;
  min-height: 300px;
  background: #f5efe6;
}
.appmock__topbar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  background: #0f2d24;
}
.appmock__topbar-church {
  color: #ffffff;
  font-size: 10.5px;
  font-weight: 700;
  white-space: nowrap;
}
.appmock__topbar-app {
  color: rgba(255,255,255,0.65);
  font-size: 8.5px;
  white-space: nowrap;
}
.appmock__topbar-actions {
  margin-left: auto;
  display: flex;
  gap: 4px;
}
.appmock__topbar-actions i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.22);
}
.appmock__sidebar {
  grid-row: 2;
  background: #fffaf3;
  border-right: 1px solid rgba(15,45,36,0.08);
  padding: 10px 7px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
}
.appmock__sidebar-overline {
  color: #c49a6c;
  font-size: 7.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  padding: 0 6px;
}
.appmock__sidebar-church {
  color: #0f2d24;
  font-size: 10.5px;
  font-weight: 800;
  padding: 0 6px;
  margin-bottom: 7px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.appmock__nav-item {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 6px;
  font-size: 9.5px;
  color: #6b6257;
  border-radius: 6px;
  white-space: nowrap;
}
.appmock__nav-item i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--c, #94a3b8);
  flex-shrink: 0;
}
.appmock__nav-item--active {
  background: rgba(37,99,235,0.09);
  color: #1d4ed8;
  font-weight: 700;
}
.appmock__nav-item--attendance {
  background: linear-gradient(135deg, #0d9488 0%, #14b8a6 55%, #2dd4bf 100%);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 4px 12px -4px rgba(13,148,136,0.55);
}
.appmock__nav-item--attendance i {
  background: #ffffff;
}
.appmock__main {
  grid-row: 2;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}
.appmock__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}
.appmock__card {
  background: #fffaf3;
  border: 1px solid rgba(15,45,36,0.07);
  border-radius: 8px;
  padding: 6px;
  display: flex;
  align-items: center;
  gap: 5px;
  box-shadow: 0 1px 2px rgba(15,23,42,0.04);
}
.appmock__card-icon {
  width: 14px;
  height: 14px;
  border-radius: 5px;
  background: var(--cbg, rgba(16,185,129,0.14));
  position: relative;
  flex-shrink: 0;
}
.appmock__card-icon::after {
  content: '';
  position: absolute;
  inset: 0;
  margin: auto;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--c, #10b981);
}
.appmock__card-meta {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}
.appmock__card-label {
  font-size: 6.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #8a8171;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.appmock__card strong {
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
  color: #14261f;
}
.appmock__panel {
  flex: 1;
  background: #fffaf3;
  border: 1px solid rgba(15,45,36,0.07);
  border-radius: 8px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: 0 1px 2px rgba(15,23,42,0.04);
  min-height: 0;
}
.appmock__panel-title {
  font-size: 8px;
  font-weight: 700;
  color: #14261f;
}
.appmock__chart {
  flex: 1;
  display: flex;
  align-items: flex-end;
  gap: 5px;
  min-height: 64px;
}
.appmock__chart .bar {
  flex: 1;
  height: var(--h, 50%);
  background: linear-gradient(180deg, #34d399 0%, #0f766e 100%);
  border-radius: 4px 4px 1px 1px;
  min-height: 6px;
}

.edu {
  display: flex;
  flex-direction: column;
  gap: 52px;
}
.edu__block {
  display: flex;
  flex-direction: column;
  width: 100%;
}
.edu__heading {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: 24px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--c-accent);
  display: inline-block;
  align-self: flex-start;
}
.edu__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
  width: 100%;
}
.edu__grid--formal {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}
.edu__grid--certs {
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}
@media (min-width: 1100px) {
  .edu__grid--formal {
    grid-template-columns: repeat(3, 1fr);
  }
  .edu__grid--certs {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 720px) and (max-width: 1099px) {
  .edu__grid--formal,
  .edu__grid--certs {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 719px) {
  .edu__grid--formal,
  .edu__grid--certs {
    grid-template-columns: 1fr;
  }
}
.edu-card {
  display: flex;
  gap: 20px;
  align-items: center;
  padding: 22px 24px;
  background: var(--glass-bg-light);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  margin-bottom: 0;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.25s var(--ease);
  height: 100%;
}
.edu-card:hover {
  border-color: var(--c-accent);
  box-shadow: 0 12px 32px rgba(14, 165, 233, 0.15);
  transform: translateY(-4px);
}
.edu-card--primary {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-2) 100%);
  border-color: var(--c-primary-3);
}
.edu-card--primary .edu-card__title {
  color: var(--c-white);
}
.edu-card--primary .edu-card__org,
.edu-card--primary .edu-card__date {
  color: var(--c-accent);
}
.edu-card__icon {
  flex-shrink: 0;
  width: 70px;
  height: 70px;
  border-radius: 16px;
  background: #FFFFFF;
  box-shadow: 0 4px 18px rgba(15, 23, 42, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 6px;
  border: 1px solid rgba(15, 23, 42, 0.06);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.edu-card:hover .edu-card__icon {
  transform: scale(1.08);
  box-shadow: 0 8px 26px rgba(14, 165, 233, 0.3);
}
.edu-card__icon svg {
  width: 100%;
  height: 100%;
  display: block;
}
.edu-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.edu-card--primary .edu-card__icon {
  background: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}
.edu-card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 4px;
  line-height: 1.4;
}
.edu-card__org {
  font-size: 0.875rem;
  color: var(--c-text-soft);
  margin-bottom: 4px;
}
.edu-card__date {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--c-accent-dark);
}

.section--cta {
  text-align: left;
}
.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
  max-width: 1000px;
  margin: 0 auto;
}
.contact__info {
  padding-top: 8px;
}
.contact__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 28px 0 28px;
}
.contact__details {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.7;
}
.contact__details strong {
  color: rgba(255,255,255,0.85);
  font-weight: 600;
  display: inline-block;
  min-width: 80px;
}

.contact__form {
  background: var(--glass-bg-dark);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-glass);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.form-group input,
.form-group textarea {
  font-family: var(--font);
  font-size: 0.9375rem;
  color: var(--c-white);
  background: var(--glass-bg-light);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 12px 16px;
  transition: all 0.2s var(--ease);
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.35);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  background: rgba(255,255,255,0.09);
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(14,165,233,0.3), var(--shadow-glow);
}
.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
  border-color: #EF4444;
}
.contact__honeypot {
  position: absolute !important;
  left: -9999px !important;
  opacity: 0 !important;
}
.btn--block {
  width: 100%;
}
.btn__spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(15,23,42,0.25);
  border-top-color: var(--c-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
.btn.is-loading .btn__text {
  opacity: 0.6;
}
.btn.is-loading .btn__spinner {
  display: inline-block;
}
.btn.is-loading {
  pointer-events: none;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.form-status {
  font-size: 0.9375rem;
  text-align: center;
  min-height: 24px;
  margin: 0;
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}
.form-status.is-visible {
  opacity: 1;
}
.form-status.is-success {
  color: #34D399;
}
.form-status.is-error {
  color: #F87171;
}

.footer {
  background: #080F1E;
  color: rgba(255,255,255,0.6);
  padding: 64px 0 0;
}
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--c-white);
  margin-bottom: 12px;
}
.footer__tag {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.5);
  max-width: 280px;
  line-height: 1.6;
}
.footer__heading {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-accent);
  margin-bottom: 16px;
}
.footer__col a {
  display: block;
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.6);
  padding: 4px 0;
  transition: color 0.2s var(--ease);
}
.footer__col a:hover {
  color: var(--c-white);
}
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.4);
}

.fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 900;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: var(--c-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37,211,102,0.4);
  transition: all 0.3s var(--ease);
}
.fab::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid #25D366;
  animation: pulse-ring 2.5s ease-out infinite;
  pointer-events: none;
}
@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.6); opacity: 0; }
}
.fab:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 12px 32px rgba(37,211,102,0.5);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 880px) {
  .contact {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .contact__form {
    padding: 24px;
  }
  .nav__menu {
    position: fixed;
    top: 64px; /* Adjust if nav height is different */
    left: 0;
    width: 100vw;
    height: calc(100dvh - 64px);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    background: rgba(15,23,42,0.98);
    backdrop-filter: blur(16px);
    padding: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    transform: translateY(-120%);
    transition: transform 0.4s var(--ease);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .nav__menu.open {
    transform: translateY(0);
  }
  .nav__menu a {
    padding: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 1.125rem;
    font-weight: 500;
    text-align: center;
    border-radius: var(--radius);
  }
  .nav__menu a:hover {
    background: rgba(14,165,233,0.1);
  }
  .nav__menu a.btn {
    border-bottom: none;
    margin-top: 16px;
  }
  .nav__toggle {
    display: flex;
  }

  .about {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }
  .about__avatar {
    margin: 0 auto;
    position: static;
  }
  .about__contact {
    justify-content: center;
  }
  .eyebrow,
  .eyebrow--light {
    justify-content: center;
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .project-card--featured {
    grid-template-columns: 1fr;
  }
  .project-card__mockup {
    min-height: 240px;
  }
}

@media (max-width: 768px) {
  :root {
    --space-section: 64px;
  }
  .hero {
    padding: 120px 0 64px;
  }
  .hero__stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .hero__stat {
    padding: 16px;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius);
  }
  .hero__cta {
    flex-direction: column;
    width: 100%;
  }
  .hero__cta .btn {
    width: 100%;
  }

  .edu {
    gap: 36px;
  }

  .section__head {
    margin-bottom: 40px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .timeline {
    padding-left: 24px;
  }
  .timeline__dot {
    left: -24px;
  }
  .timeline__content {
    padding: 20px;
  }
  .footer__inner {
    grid-template-columns: 1fr;
  }
  .skill-card,
  .project-card__body,
  .project-card__mockup {
    padding: 20px;
  }
  .fab {
    bottom: 16px;
    right: 16px;
    width: 50px;
    height: 50px;
  }
}

.toast {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(-120%);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 12px;
  background: #0F172A;
  border: 1px solid rgba(14,165,233,0.4);
  border-radius: var(--radius);
  padding: 16px 24px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
  max-width: calc(100% - 32px);
  opacity: 0;
  transition: transform 0.4s var(--ease), opacity 0.4s var(--ease);
  pointer-events: none;
}
.toast.is-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.toast--error {
  border-color: rgba(239,68,68,0.4);
}
.toast--error .toast__icon {
  background: rgba(239,68,68,0.15);
  color: #F87171;
}
.toast__icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(14,165,233,0.15);
  color: var(--c-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.toast__text {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--c-white);
  line-height: 1.4;
}

/* FAQ Section */
.faq {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq__item {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s var(--ease);
}
.faq__item:hover {
  border-color: var(--c-accent);
}
.faq__question {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--c-text);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq__question::-webkit-details-marker {
  display: none;
}
.faq__question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--c-accent);
  transition: transform 0.3s var(--ease);
}
.faq__item[open] .faq__question::after {
  transform: rotate(45deg);
}
.faq__answer {
  padding: 0 24px 24px;
  color: var(--c-text-soft);
  font-size: 0.9375rem;
  line-height: 1.7;
}


/* Lang Selector */
.lang-selector {
  display: flex;
  gap: 4px;
  align-items: center;
  margin-left: 12px;
  padding-left: 16px;
  border-left: 1px solid rgba(255, 255, 255, 0.15);
}
.lang-selector button {
  background: transparent;
  border: 1px solid transparent;
  padding: 4px 6px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1.15rem;
  line-height: 1;
  opacity: 0.65;
  transition: all 0.25s var(--ease);
  display: flex;
  align-items: center;
  justify-content: center;
}
.lang-selector button:hover {
  opacity: 1;
  transform: translateY(-2px) scale(1.15);
}
.lang-selector button.active {
  opacity: 1;
  background: rgba(14, 165, 233, 0.18);
  border-color: rgba(14, 165, 233, 0.5);
  box-shadow: 0 0 12px rgba(14, 165, 233, 0.35);
}

@media (max-width: 880px) {
  .lang-selector {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    justify-content: center;
    margin-top: 12px;
  }
}
@media (max-width: 768px) {
  .lang-selector {
    margin: 16px auto 0;
  }
}


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