body,
button,
input,
textarea {
  font-family: var(--font-body);
}
#mobile-nav,
#navbar {
  inset-inline: 0;
  position: fixed;
}
.hero-right,
.nav-link,
.section {
  position: relative;
}
.fact-label,
.t-eyebrow {
  text-transform: uppercase;
}
#hero,
.cert-card,
.cert-visual,
.project-card,
.project-thumb,
.skill-bar-track {
  overflow: hidden;
}
#cert-modal,
#loader.out,
#mobile-nav {
  visibility: hidden;
}
#back-top,
#cert-modal,
#loader,
#mobile-nav,
#navbar {
  position: fixed;
}
:root {
  --ink: #0d0d0d;
  --ink-2: #1a1a1a;
  --ink-3: #2e2e2e;
  --ink-4: #5a5a6a;
  --ink-5: #8888a0;
  --ink-6: #b0b0c8;
  --paper: #fafafa;
  --paper-2: #f2f2f5;
  --paper-3: #e8e8ef;
  --accent: #0a2540;
  --accent-2: #1a4a80;
  --accent-warm: #c8922a;
  --white: #ffffff;
  --font-display: "Playfair Display", Georgia, serif;
  --font-body: "DM Sans", sans-serif;
  --font-mono: "DM Mono", monospace;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;
  --r-pill: 999px;
  --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.06), 0 1px 4px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.09), 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.11), 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-card-hover:
    0 24px 48px rgba(10, 37, 64, 0.12), 0 4px 12px rgba(10, 37, 64, 0.06);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --t-fast: 0.18s;
  --t-med: 0.4s;
  --t-slow: 0.7s;
}
*,
::after,
::before {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
.container,
.container-narrow {
  margin: 0 auto;
  padding: 0 var(--space-md);
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body {
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
  line-height: 1.6;
}
::selection {
  background: rgba(10, 37, 64, 0.12);
  color: var(--accent);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  text-decoration: none;
  color: inherit;
}
ul {
  list-style: none;
}
button {
  cursor: pointer;
  border: none;
  background: 0 0;
}
::-webkit-scrollbar {
  width: 4px;
}
::-webkit-scrollbar-track {
  background: var(--paper-2);
}
::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-2);
}
.hamburger:hover,
.nav-link:hover,
.overlay-btn-solid:hover,
.section-alt {
  background: var(--paper-2);
}
.t-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--ink-5);
}
.t-display,
.t-heading {
  font-weight: 500;
  letter-spacing: -0.02em;
  font-family: var(--font-display);
}
.t-display {
  font-size: clamp(2.6rem, 5.5vw, 4.5rem);
  line-height: 1.08;
  color: var(--ink);
}
.contact-info-title em,
.hero-title em,
.t-display em {
  font-style: italic;
  color: var(--accent);
}
.t-heading {
  font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  line-height: 1.15;
}
.t-subheading {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.4;
}
.t-body {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.8;
  color: var(--ink-4);
}
.t-small {
  font-size: 0.85rem;
  color: var(--ink-5);
}
.container {
  max-width: 1160px;
}
.container-narrow {
  max-width: 760px;
}
.section {
  padding: var(--space-xl) 0;
}
.section-dark {
  background: var(--accent);
  color: var(--white);
}
.loader-name,
.nav-logo {
  color: var(--accent);
  font-family: var(--font-display);
  font-style: italic;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  align-items: start;
}
.cert-grid,
.grid-3,
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.flex,
.flex-center {
  display: flex;
}
#hero,
.about-facts {
  grid-template-columns: 1fr 1fr;
}
.flex-center {
  align-items: center;
  justify-content: center;
}
.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
#loader,
.section-header .line {
  display: flex;
  align-items: center;
}
.gap-sm {
  gap: var(--space-sm);
}
.gap-md {
  gap: var(--space-md);
}
.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.section-header .line {
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.section-header .line::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--accent-warm);
  flex-shrink: 0;
}
.section-header p.desc {
  max-width: 480px;
  margin-top: 1rem;
}
#loader {
  inset: 0;
  background: var(--white);
  z-index: 9999;
  justify-content: center;
  flex-direction: column;
  gap: 2rem;
  transition:
    opacity 0.8s var(--ease),
    visibility 0.8s;
}
.nav-inner,
.nav-links {
  align-items: center;
  display: flex;
}
#loader.out {
  opacity: 0;
}
#cert-modal.open,
#mobile-nav.open {
  opacity: 1;
  visibility: visible;
}
.loader-name {
  font-size: 1.5rem;
  letter-spacing: 0.05em;
}
.loader-progress {
  width: 120px;
  height: 1px;
  background: var(--paper-3);
  overflow: hidden;
}
.loader-fill,
.nav-cta {
  background: var(--accent);
}
.loader-fill {
  height: 100%;
  animation: loaderFill 1.8s var(--ease) forwards;
}
@keyframes loaderFill {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}
#navbar {
  top: 0;
  z-index: 1000;
  height: 68px;
  transition:
    background var(--t-med),
    box-shadow var(--t-med),
    height var(--t-med);
}
#navbar.scrolled {
  background: rgba(250, 250, 250, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--paper-3);
  height: 60px;
}
.nav-inner {
  height: 100%;
  justify-content: space-between;
}
.nav-logo {
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.nav-links {
  gap: 0.25rem;
}
#hero,
.hamburger {
  align-items: center;
}
.nav-link {
  padding: 0.5rem 0.9rem;
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--ink-4);
  border-radius: var(--r-sm);
  transition:
    color var(--t-fast),
    background var(--t-fast);
  letter-spacing: 0.01em;
}
.nav-link:hover {
  color: var(--ink);
}
.nav-link.active {
  color: var(--accent);
  font-weight: 500;
}
.nav-cta {
  padding: 0.55rem 1.25rem;
  border-radius: var(--r-pill);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 500;
  transition:
    background var(--t-fast),
    transform var(--t-fast),
    box-shadow var(--t-fast);
}
.hamburger,
.mobile-link {
  border-radius: var(--r-sm);
}
.nav-cta:hover {
  background: var(--accent-2);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(10, 37, 64, 0.25);
}
.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  transition: background var(--t-fast);
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  border-radius: 2px;
  transition: all var(--t-med);
  transform-origin: center;
}
.hamburger.open span:first-child {
  transform: translateY(6.5px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}
#mobile-nav {
  top: 68px;
  background: rgba(250, 250, 250, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--paper-3);
  padding: 1.5rem var(--space-md) 2rem;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transform: translateY(-12px);
  opacity: 0;
  transition: all var(--t-med) var(--ease);
}
#mobile-nav.open {
  transform: translateY(0);
}
.mobile-link {
  padding: 0.85rem 1rem;
  font-size: 1rem;
  color: var(--ink-4);
  transition: all var(--t-fast);
  border-bottom: 1px solid var(--paper-3);
}
.mobile-link:last-child {
  border-bottom: none;
}
.btn-outline:hover,
.fact-item:hover,
.filter-pill.active,
.filter-pill:hover,
.skill-card:hover {
  border-color: var(--accent);
}
.mobile-link:hover {
  color: var(--accent);
  background: var(--paper-2);
  padding-left: 1.25rem;
}
#hero {
  min-height: 100vh;
  display: grid;
  gap: var(--space-lg);
  padding-top: 68px;
}
.hero-left {
  padding: var(--space-xl) 0;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.3s var(--ease) forwards;
}
.hero-eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-warm);
  flex-shrink: 0;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.45s var(--ease) forwards;
}
.hero-desc {
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 1.85;
  color: var(--ink-4);
  max-width: 460px;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.6s var(--ease) forwards;
}
.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s 0.75s var(--ease) forwards;
}
.btn-outline,
.btn-solid {
  display: inline-flex;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-size: 0.9rem;
  transition: all var(--t-fast);
  font-weight: 500;
}
.btn-solid {
  align-items: center;
  background: var(--accent);
  color: var(--white);
  border-radius: var(--r-pill);
  box-shadow: 0 4px 16px rgba(10, 37, 64, 0.2);
}
.btn-solid:hover,
.form-submit:hover {
  background: var(--accent-2);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(10, 37, 64, 0.28);
}
.btn-outline {
  align-items: center;
  border: 1.5px solid var(--paper-3);
  color: var(--ink-3);
  border-radius: var(--r-pill);
}
.btn-outline:hover {
  color: var(--accent);
  background: rgba(10, 37, 64, 0.03);
}
.hero-meta {
  display: flex;
  gap: 2.5rem;
  margin-top: 3rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.9s var(--ease) forwards;
}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  color: var(--accent);
  line-height: 1;
  display: block;
}
.fact-label,
.hero-photo-label .mono,
.project-cat-badge,
.skill-bar-pct,
.skill-card-level {
  font-family: var(--font-mono);
}
.hero-stat-label {
  font-size: 0.8rem;
  color: var(--ink-5);
  margin-top: 0.25rem;
}
.hero-right {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  animation: fadeIn 1.2s 0.5s var(--ease) forwards;
}
.hero-photo-bg {
  position: absolute;
  inset: 10% 0;
  background: var(--paper-2);
  border-radius: var(--r-lg);
  z-index: 0;
}
.hero-photo-frame {
  position: relative;
  z-index: 1;
  width: 380px;
  max-width: 90%;
}
.hero-photo-badge,
.hero-photo-label {
  position: absolute;
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}
.hero-photo-frame img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
}
.hero-photo-label {
  bottom: -1.5rem;
  left: -1.5rem;
  background: var(--white);
  border: 1px solid var(--paper-3);
  border-radius: var(--r-md);
  padding: 1rem 1.25rem;
}
.hero-photo-label .mono {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 500;
}
.about-img-accent .num,
.hero-photo-label .big {
  font-family: var(--font-display);
  font-weight: 500;
}
.hero-photo-label .big {
  font-size: 1rem;
  color: var(--ink);
  margin-top: 0.15rem;
}
.hero-photo-badge {
  top: 2rem;
  right: -1rem;
  background: var(--accent);
  color: var(--white);
  border-radius: var(--r-md);
  padding: 0.75rem 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  line-height: 1.5;
}
#back-top,
.about-img-accent,
.about-img-wrap img {
  box-shadow: var(--shadow-md);
}
#about .grid-2 {
  gap: var(--space-lg);
  align-items: center;
}
.about-img-wrap {
  position: relative;
}
.about-img-wrap img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: var(--r-lg);
}
.about-img-accent {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  width: 140px;
  height: 140px;
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, var(--accent) 0, var(--accent-2) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.cert-card,
.fact-item:hover,
.project-card,
.skill-card {
  box-shadow: var(--shadow-xs);
}
.about-img-accent .num {
  font-size: 2rem;
  line-height: 1;
}
.about-img-accent .lbl {
  font-size: 0.75rem;
  opacity: 0.75;
  margin-top: 0.25rem;
  text-align: center;
  line-height: 1.3;
}
.about-facts {
  display: grid;
  gap: 1rem;
  margin-top: 2.5rem;
}
.fact-item {
  padding: 1rem;
  border-radius: var(--r-md);
  border: 1px solid var(--paper-3);
  transition:
    border-color var(--t-fast),
    box-shadow var(--t-fast);
}
.cert-card:hover,
.project-card:hover,
.skill-card:hover {
  box-shadow: var(--shadow-card-hover);
}
.fact-label {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--ink-5);
  margin-bottom: 0.25rem;
}
.fact-value,
.skill-bar-name {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-2);
}
.skills-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-lg);
  align-items: start;
}
.skill-bars {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}
.skill-bar-item .skill-bar-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.6rem;
}
.skill-bar-pct {
  font-size: 0.78rem;
  color: var(--accent);
}
.skill-bar-track {
  height: 3px;
  background: var(--paper-3);
  border-radius: 3px;
}
.skill-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent) 0, var(--accent-warm) 100%);
  border-radius: 3px;
  width: 0;
  transition: width 1.2s var(--ease);
}
.filter-pill,
.project-card,
.skill-card {
  background: var(--white);
}
#cert-modal,
.skill-card {
  transition: all var(--t-med);
}
.skill-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.skill-card {
  padding: 1.5rem 1.25rem;
  border-radius: var(--r-md);
  border: 1px solid var(--paper-3);
  text-align: center;
}
.skill-card:hover {
  transform: translateY(-4px);
}
.skill-card-icon {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
  display: block;
}
.skill-card-name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-2);
}
.skill-card-level {
  font-size: 0.72rem;
  color: var(--ink-5);
  margin-top: 0.25rem;
}
.filter-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.filter-pill {
  padding: 0.45rem 1.1rem;
  border-radius: var(--r-pill);
  font-size: 0.82rem;
  font-weight: 500;
  border: 1.5px solid var(--paper-3);
  color: var(--ink-4);
  transition: all var(--t-fast);
}
.filter-pill:hover {
  color: var(--accent);
}
.filter-pill.active {
  background: var(--accent);
  color: var(--white);
}
.project-card {
  border-radius: var(--r-lg);
  border: 1px solid var(--paper-3);
  transition: all var(--t-med) var(--ease);
  display: flex;
  flex-direction: column;
}
.cert-visual,
.project-overlay {
  display: flex;
  align-items: center;
}
.project-card:hover {
  transform: translateY(-6px);
  border-color: transparent;
}
.project-thumb {
  aspect-ratio: 16/10;
  background: var(--paper-2);
  position: relative;
}
.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.project-card:hover .project-thumb img {
  transform: scale(1.04);
}
.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 37, 64, 0.72);
  justify-content: center;
  gap: 0.75rem;
  opacity: 0;
  transition: opacity var(--t-med);
}
.overlay-btn,
.tech-pill {
  transition: all var(--t-fast);
}
.cert-card:hover .cert-zoom-hint,
.project-card:hover .project-overlay {
  opacity: 1;
}
.overlay-btn {
  padding: 0.6rem 1.1rem;
  border-radius: var(--r-pill);
  font-size: 0.8rem;
  font-weight: 500;
}
.overlay-btn-solid {
  background: var(--white);
  color: var(--accent);
}
.overlay-btn-outline {
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  color: var(--white);
}
.overlay-btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
}
.project-cat-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.9);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  backdrop-filter: blur(8px);
}
.modal-close:hover,
.project-name {
  color: var(--ink);
}
.project-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.project-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}
.cert-year,
.cert-zoom-hint,
.tech-pill {
  font-family: var(--font-mono);
}
.project-desc {
  font-size: 0.87rem;
  color: var(--ink-4);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 1.25rem;
}
.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.tech-pill {
  padding: 0.2rem 0.6rem;
  border-radius: var(--r-pill);
  font-size: 0.7rem;
  font-weight: 500;
  background: var(--paper-2);
  color: var(--ink-4);
}
.project-card:hover .tech-pill {
  background: rgba(10, 37, 64, 0.06);
  color: var(--accent);
}
.cert-card {
  background: var(--white);
  border-radius: var(--r-lg);
  border: 1px solid var(--paper-3);
  cursor: pointer;
  transition: all var(--t-med) var(--ease);
}
#back-top:hover,
.modal-box {
  box-shadow: var(--shadow-lg);
}
.cert-card:hover {
  transform: translateY(-4px);
  border-color: transparent;
}
.cert-visual {
  aspect-ratio: 4/3;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  transition: background 0.3s;
}
#cert-modal,
.cert-zoom-hint {
  inset: 0;
  align-items: center;
  opacity: 0;
  display: flex;
}
.cert-card:first-child .cert-visual {
  background: linear-gradient(135deg, #e8f0fe, #c5d5fb);
}
.cert-card:nth-child(2) .cert-visual {
  background: linear-gradient(135deg, #fce8d5, #f5c4a0);
}
.cert-card:nth-child(3) .cert-visual {
  background: linear-gradient(135deg, #e8f8e8, #b0ddb0);
}
.cert-card:nth-child(4) .cert-visual {
  background: linear-gradient(135deg, #f5e8fc, #dbb0f5);
}
.cert-card:nth-child(5) .cert-visual {
  background: linear-gradient(135deg, #fef8e8, #f5e0b0);
}
.cert-card:nth-child(6) .cert-visual {
  background: linear-gradient(135deg, #e8f8fe, #a0d8f5);
}
.contact-row:hover,
.modal-close:hover,
.timeline::before {
  background: var(--paper-3);
}
.cert-zoom-hint {
  position: absolute;
  background: rgba(10, 37, 64, 0.65);
  justify-content: center;
  transition: opacity var(--t-med);
  color: var(--white);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}
.cert-info {
  padding: 1.25rem;
}
.cert-name {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink-2);
  margin-bottom: 0.3rem;
}
.cert-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.cert-provider {
  font-size: 0.8rem;
  color: var(--ink-5);
}
.cert-year {
  font-size: 0.72rem;
  padding: 0.2rem 0.5rem;
  border-radius: var(--r-pill);
  background: var(--paper-2);
  color: var(--accent);
}
#cert-modal {
  z-index: 9000;
  background: rgba(10, 25, 50, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  justify-content: center;
  padding: 1.5rem;
}
.modal-box {
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 3rem 2.5rem;
  max-width: 480px;
  width: 100%;
  text-align: center;
  transform: scale(0.92) translateY(8px);
  transition: transform var(--t-med) var(--ease);
  position: relative;
}
.social-icon,
.timeline-card {
  box-shadow: var(--shadow-xs);
}
#cert-modal.open .modal-box {
  transform: scale(1) translateY(0);
}
.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--paper-2);
  color: var(--ink-4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all var(--t-fast);
}
.modal-icon {
  font-size: 5rem;
  margin-bottom: 1.5rem;
  display: block;
}
.modal-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}
.modal-sub {
  color: var(--ink-4);
  font-size: 0.9rem;
}
.modal-tag {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--r-pill);
  background: rgba(10, 37, 64, 0.06);
  color: var(--accent);
  font-size: 0.78rem;
  font-family: var(--font-mono);
}
.timeline-card,
.timeline-dot {
  background: var(--white);
  transition: all var(--t-med);
}
.timeline {
  position: relative;
  padding-left: 2.5rem;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 0;
  width: 1px;
}
.timeline-item {
  position: relative;
  padding-bottom: 3rem;
}
.timeline-item:last-child {
  padding-bottom: 0;
}
.timeline-dot {
  position: absolute;
  left: -2.5rem;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--paper-3);
  transform: translateX(-3px);
}
.timeline-item:hover .timeline-dot {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(10, 37, 64, 0.08);
}
.timeline-card {
  padding: 1.5rem 1.75rem;
  border-radius: var(--r-md);
  border: 1px solid var(--paper-3);
}
.contact-row,
.social-icon {
  transition: all var(--t-fast);
}
.timeline-item:hover .timeline-card {
  border-color: rgba(10, 37, 64, 0.15);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}
.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.5rem;
}
.timeline-org {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ink);
}
.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-5);
  white-space: nowrap;
  padding: 0.25rem 0.6rem;
  background: var(--paper-2);
  border-radius: var(--r-pill);
  flex-shrink: 0;
}
.timeline-role {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.timeline-desc {
  font-size: 0.87rem;
  color: var(--ink-4);
  line-height: 1.8;
}
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-lg);
  align-items: start;
}
.contact-info-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 1rem;
}
.contact-row-label,
.form-label {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.contact-info-desc {
  font-size: 0.95rem;
  color: var(--ink-4);
  line-height: 1.8;
  margin-bottom: 2rem;
}
.contact-items {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}
.contact-icon-wrap,
.contact-row {
  align-items: center;
  display: flex;
}
.form-row,
.form-row-2 {
  margin-bottom: 1.25rem;
}
.contact-row {
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-radius: var(--r-md);
  background: var(--paper-2);
}
.contact-icon-wrap {
  width: 38px;
  height: 38px;
  border-radius: var(--r-sm);
  background: var(--accent);
  color: var(--white);
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
#back-top,
.social-icon {
  width: 42px;
  height: 42px;
}
.contact-row-label {
  font-size: 0.72rem;
  color: var(--ink-5);
}
.contact-row-val {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-2);
  margin-top: 0.1rem;
}
.social-row {
  display: flex;
  gap: 0.75rem;
}
.social-icon {
  border-radius: var(--r-sm);
  border: 1.5px solid var(--paper-3);
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--ink-4);
}
.social-icon:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
#back-top.show,
.reveal.visible {
  transform: translateY(0);
  opacity: 1;
}
.contact-form-wrap {
  background: var(--white);
  border-radius: var(--r-lg);
  padding: 2.5rem;
  border: 1px solid var(--paper-3);
  box-shadow: var(--shadow-sm);
}
.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink-3);
  margin-bottom: 0.5rem;
}
.form-input,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--r-sm);
  border: 1.5px solid var(--paper-3);
  background: var(--paper);
  color: var(--ink);
  font-size: 0.9rem;
  outline: 0;
  transition:
    border-color var(--t-fast),
    box-shadow var(--t-fast);
  resize: none;
}
#back-top,
.form-submit {
  background: var(--accent);
  color: var(--white);
}
.form-input:focus,
.form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(10, 37, 64, 0.07);
}
.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--ink-6);
}
.form-textarea {
  height: 130px;
}
.form-submit {
  width: 100%;
  padding: 0.9rem;
  border-radius: var(--r-sm);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--t-fast);
  letter-spacing: 0.03em;
  box-shadow: 0 4px 16px rgba(10, 37, 64, 0.2);
}
.footer-logo,
.footer-nav a:hover {
  color: var(--accent);
}
.reveal,
.reveal-l,
.reveal-r {
  opacity: 0;
  transition:
    opacity 0.75s var(--ease),
    transform 0.75s var(--ease);
}
footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--paper-3);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-style: italic;
}
.footer-quote {
  font-size: 0.87rem;
  color: var(--ink-5);
  font-style: italic;
  max-width: 400px;
}
.footer-nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-nav a {
  font-size: 0.82rem;
  color: var(--ink-5);
  transition: color var(--t-fast);
}
.footer-copy {
  font-size: 0.78rem;
  color: var(--ink-6);
  font-family: var(--font-mono);
}
#back-top {
  bottom: 2rem;
  right: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  z-index: 500;
  opacity: 0;
  transform: translateY(12px);
  transition: all var(--t-med);
  pointer-events: none;
}
#back-top.show {
  pointer-events: all;
}
#back-top:hover {
  background: var(--accent-2);
  transform: translateY(-2px);
}
.reveal {
  transform: translateY(28px);
}
.reveal-l {
  transform: translateX(-28px);
}
.reveal-l.visible,
.reveal-r.visible {
  opacity: 1;
  transform: translateX(0);
}
.reveal-r {
  transform: translateX(28px);
}
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
.section-number {
  position: absolute;
  top: var(--space-xl);
  right: 0;
  font-family: var(--font-display);
  font-size: clamp(5rem, 10vw, 10rem);
  font-weight: 700;
  font-style: italic;
  color: rgba(10, 37, 64, 0.04);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}
.divider-line {
  width: 100%;
  height: 1px;
  background: var(--paper-3);
}
@media (max-width: 1024px) {
  #hero,
  .contact-layout,
  .skills-layout {
    grid-template-columns: 1fr;
  }
  #hero {
    min-height: auto;
    padding: calc(68px + 3rem) 0 4rem;
    text-align: center;
  }
  .hero-right {
    height: auto;
    padding: 0 0 3rem;
  }
  .hero-photo-frame {
    margin: 0 auto;
  }
  .hero-photo-label {
    left: 0;
    right: auto;
  }
  .hero-desc {
    margin: 0 auto 2.5rem;
  }
  .hero-btns,
  .hero-meta {
    justify-content: center;
  }
  .skill-cards {
    grid-template-columns: repeat(3, 1fr);
  }
  .contact-info-title {
    font-size: 1.75rem;
  }
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  :root {
    --space-xl: 5rem;
    --space-lg: 2.5rem;
  }
  .hero-photo-badge,
  .nav-cta,
  .nav-links {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .about-facts,
  .cert-grid,
  .form-row-2,
  .grid-2,
  .grid-3,
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .skill-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-img-accent {
    width: 100px;
    height: 100px;
    bottom: -1rem;
    right: -1rem;
  }
  .about-img-accent .num {
    font-size: 1.5rem;
  }
  .contact-form-wrap {
    padding: 1.75rem;
  }
  .timeline {
    padding-left: 1.75rem;
  }
}
@media (max-width: 480px) {
  .container {
    padding: 0 1.25rem;
  }
  .skill-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-meta {
    gap: 1.5rem;
  }
}