:root {
  --navy-950: #06101f;
  --navy-900: #09162a;
  --navy-850: #0d1d35;
  --navy-800: #10233f;
  --navy-700: #14345e;
  --blue-500: #377dff;
  --blue-400: #5e96ff;
  --cyan-400: #54d9ff;
  --blue-100: #e8f0ff;
  --text: #0b1628;
  --muted: #5f6b7d;
  --line: #dde4ee;
  --line-dark: rgba(148, 180, 255, 0.18);
  --white: #ffffff;
  --surface: #f7f9fc;
  --glass: rgba(255, 255, 255, 0.08);
  --shadow: 0 24px 70px rgba(3, 10, 24, 0.28);
  --soft-shadow: 0 18px 44px rgba(8, 23, 44, 0.12);
  --radius: 8px;
}

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

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  background: var(--navy-950);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.page-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--blue-500), var(--cyan-400));
  z-index: 9999;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  background: rgba(5, 12, 24, 0.76);
  backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid rgba(148, 180, 255, 0.12);
  transition: 0.25s ease;
}

.site-header.scrolled {
  background: rgba(5, 12, 24, 0.9);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.22);
}

.nav-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  color: var(--white);
  font-weight: 800;
  font-size: 1rem;
  white-space: nowrap;
  letter-spacing: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  width: 48px;
  height: 34px;
  object-fit: contain;
  object-position: center;
}

.brand-text {
  line-height: 1;
}

.brand-mark {
  color: var(--blue-400);
}

.main-nav {
  margin-left: auto;
  display: flex;
  gap: 24px;
  align-items: center;
}

.main-nav a {
  color: rgba(255,255,255,.82);
  font-size: 0.88rem;
  position: relative;
  transition: 0.2s ease;
}

.main-nav a:hover {
  color: var(--white);
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 1px;
  background: linear-gradient(90deg, var(--blue-500), var(--cyan-400));
  opacity: 0;
  transform: scaleX(.4);
  transition: .2s ease;
}

.main-nav a:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 3px;
  border: 1px solid rgba(148,180,255,.18);
  border-radius: 8px;
  background: rgba(255,255,255,.045);
  backdrop-filter: blur(12px);
}

.language-switch button {
  width: 34px;
  height: 30px;
  border: 0;
  border-radius: 6px;
  color: rgba(255,255,255,.72);
  background: transparent;
  cursor: pointer;
  font-size: .75rem;
  font-weight: 800;
  transition: .2s ease;
}

.language-switch button.active {
  color: var(--white);
  background: linear-gradient(135deg, rgba(55,125,255,.9), rgba(84,217,255,.58));
  box-shadow: 0 8px 18px rgba(55,125,255,.22);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.92rem;
  transition: 0.25s ease;
  border: 1px solid transparent;
  letter-spacing: 0;
}

.btn-primary {
  background: linear-gradient(135deg, #2f75ff 0%, #5e96ff 54%, #54d9ff 140%);
  color: var(--white);
  box-shadow: 0 14px 34px rgba(55, 125, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(55, 125, 255, 0.34);
}

.btn-outline {
  color: var(--white);
  border-color: rgba(148,180,255,.36);
  background: rgba(255,255,255,.045);
  backdrop-filter: blur(12px);
}

.btn-outline:hover {
  border-color: var(--blue-400);
  color: var(--blue-400);
  transform: translateY(-2px);
}

.dark-outline {
  color: var(--blue-500);
  border-color: var(--blue-500);
}

.nav-cta {
  min-height: 42px;
  padding-inline: 16px;
}

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  margin: 5px 0;
  background: white;
}

.hero {
  min-height: 820px;
  padding-top: 150px;
  padding-bottom: 64px;
  position: relative;
  color: var(--white);
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 34%, rgba(55, 125, 255, 0.28), transparent 28%),
    radial-gradient(circle at 18% 20%, rgba(84, 217, 255, 0.12), transparent 26%),
    linear-gradient(135deg, #050b15 0%, #071326 42%, #0b2347 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(255,255,255,.08), transparent 22%, transparent 78%, rgba(84,217,255,.08)),
    radial-gradient(circle at 50% 100%, rgba(55,125,255,.2), transparent 38%);
  opacity: .72;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -36%;
  width: 70%;
  height: 72%;
  background: linear-gradient(135deg, rgba(84,217,255,.16), rgba(55,125,255,.02));
  transform: rotate(-8deg);
  filter: blur(28px);
  clip-path: polygon(14% 0, 100% 24%, 76% 100%, 0 70%);
  pointer-events: none;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(94,150,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94,150,255,.08) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.35));
}

.hero-orbit {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(94,150,255,.18);
  pointer-events: none;
}

.orbit-one {
  width: 560px;
  height: 560px;
  right: 8%;
  top: 118px;
  box-shadow: inset 0 0 48px rgba(55,125,255,.06);
}

.orbit-two {
  width: 360px;
  height: 360px;
  right: 17%;
  top: 218px;
  border-style: dashed;
  opacity: .72;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  align-items: center;
  gap: 68px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 18px;
  color: #9dc0ff;
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 5.35rem;
  line-height: .98;
  margin-bottom: 18px;
  letter-spacing: 0;
}

.hero h2 {
  color: #a9c8ff;
  font-size: 2.25rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.hero h3 {
  font-size: 1.45rem;
  margin-top: 6px;
  margin-bottom: 22px;
  color: rgba(255,255,255,.9);
  letter-spacing: 0;
}

.hero p {
  max-width: 650px;
  color: rgba(225,236,255,.78);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.social-row {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  align-items: center;
  color: rgba(255,255,255,.7);
}

.social-row a,
.contact-social a {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(148,180,255,.2);
  display: inline-grid;
  place-items: center;
  border-radius: 8px;
  font-size: .78rem;
  font-weight: 800;
  background: rgba(255,255,255,.035);
  transition: .2s ease;
}

.social-row a:hover,
.contact-social a:hover {
  border-color: var(--blue-400);
  color: var(--blue-400);
}

.hero-visual {
  position: relative;
  min-height: 500px;
  display: grid;
  place-items: center;
}

.portrait-ring {
  position: absolute;
  width: 438px;
  height: 438px;
  border-radius: 50%;
  border: 1px solid rgba(94,150,255,.42);
  box-shadow:
    0 0 0 24px rgba(55,125,255,.045),
    0 0 0 58px rgba(84,217,255,.018),
    0 0 80px rgba(55,125,255,.22);
}

.portrait-ring::before,
.portrait-ring::after {
  content: "";
  position: absolute;
  inset: 28px;
  border-radius: inherit;
  border: 1px dashed rgba(84,217,255,.22);
}

.portrait-ring::after {
  inset: 70px;
  border-style: solid;
  border-color: rgba(255,255,255,.08);
}

.portrait-card {
  width: 360px;
  height: 410px;
  border-radius: 34px;
  overflow: hidden;
  position: relative;
  z-index: 2;
  border: 1px solid rgba(188,210,255,.2);
  background: rgba(255,255,255,.06);
  box-shadow:
    0 24px 70px rgba(3,10,24,.48),
    0 0 70px rgba(55,125,255,.2);
}

.portrait-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(180deg, rgba(255,255,255,.16), transparent 28%),
    linear-gradient(120deg, rgba(84,217,255,.08), transparent 45%);
  pointer-events: none;
}

.portrait-placeholder {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  text-align: center;
  font-weight: 700;
  color: rgba(255,255,255,.55);
  background:
    linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.01)),
    radial-gradient(circle at 50% 35%, rgba(94,150,255,.4), transparent 20%),
    linear-gradient(135deg, #1d2a40, #09111d);
}
.hero-photo{
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
  transition: .4s;
}

.portrait-card:hover .hero-photo{
    transform:scale(1.03);
}

.floating-chip {
  position: absolute;
  z-index: 3;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 700;
  color: rgba(234,242,255,.92);
  background: rgba(7,18,35,.72);
  border: 1px solid rgba(148,180,255,.28);
  backdrop-filter: blur(16px);
  box-shadow: 0 16px 34px rgba(0,0,0,.24);
}

.chip-one { top: 80px; left: 0; }
.chip-two { right: -12px; top: 175px; }
.chip-three { left: 28px; bottom: 50px; }

.stats-panel {
  position: relative;
  z-index: 5;
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-radius: 8px;
  border: 1px solid rgba(148,180,255,.14);
  background:
    linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.035)),
    linear-gradient(135deg, rgba(16,33,59,.92), rgba(8,18,34,.92));
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.stat-item {
  padding: 28px 18px;
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 25%;
  width: 1px;
  height: 50%;
  background: rgba(255,255,255,.08);
}

.stat-item strong,
.stat-item span {
  font-size: 2rem;
  color: #cfe0ff;
}

.stat-item small {
  display: block;
  margin-top: 5px;
  color: rgba(255,255,255,.74);
}

.section {
  padding: 95px 0;
}

.light-section {
  background:
    linear-gradient(180deg, #ffffff 0%, #f7faff 100%);
}

.two-column {
  display: grid;
  grid-template-columns: .8fr 1.55fr;
  gap: 70px;
  align-items: start;
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 26px;
}

.section-heading span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blue-500);
  box-shadow: 0 0 0 7px rgba(55,125,255,.08);
}

.section-heading h2 {
  font-size: 1.65rem;
  letter-spacing: 0;
}

.section-block p {
  color: var(--muted);
  margin-bottom: 16px;
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.dark-card {
  min-height: 260px;
  padding: 22px;
  border-radius: 8px;
  color: white;
  border: 1px solid rgba(148,180,255,.14);
  background:
    linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.025)),
    linear-gradient(135deg, #13243e, #081426);
  transition: .25s ease;
  box-shadow: var(--soft-shadow);
}

.dark-card:hover {
  transform: translateY(-6px);
  border-color: rgba(94,150,255,.36);
  box-shadow: 0 24px 54px rgba(8,23,44,.18);
}

.card-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  margin-bottom: 16px;
  color: var(--blue-400);
  background: linear-gradient(135deg, rgba(55,125,255,.18), rgba(84,217,255,.08));
  font-weight: 800;
  border: 1px solid rgba(94,150,255,.22);
}

.dark-card h3 {
  font-size: 1rem;
  margin-bottom: 12px;
}

.dark-card ul {
  list-style: none;
  color: rgba(255,255,255,.72);
  font-size: .8rem;
}

.dark-card li {
  margin: 7px 0;
  padding-left: 13px;
  position: relative;
}

.dark-card li::before {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--blue-400);
  position: absolute;
  left: 0;
  top: .7em;
}

.technologies {
  margin-top: 54px;
}

.tech-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}

.tech-item {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 14px 16px;
  border: 1px solid rgba(148,180,255,.16);
  border-radius: 8px;
  font-size: .82rem;
  font-weight: 700;
  color: #edf4ff;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.025)),
    linear-gradient(135deg, #10213b, #071325);
  box-shadow: 0 14px 32px rgba(8,23,44,.1);
  transition: .2s ease;
}

.tech-item:hover {
  transform: translateY(-3px);
  border-color: rgba(94,150,255,.38);
  box-shadow: 0 20px 42px rgba(8,23,44,.16);
}

.tech-logo {
  position: absolute;
  right: -6px;
  bottom: -13px;
  width: 72px;
  height: 72px;
  object-fit: contain;
  opacity: .28;
  z-index: -1;
  filter: saturate(1.25) brightness(1.12);
}

.tech-item span {
  position: relative;
  z-index: 1;
  text-shadow: 0 1px 14px rgba(0,0,0,.28);
}

.portfolio-section {
  background:
    radial-gradient(circle at 15% 0%, rgba(55,125,255,.08), transparent 25%),
    linear-gradient(180deg, #f7f9fc, #eef4fb);
}

.portfolio-layout {
  display: grid;
  grid-template-columns: .72fr 1.7fr;
  gap: 60px;
}

.timeline {
  position: relative;
  padding-left: 24px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, rgba(55,125,255,.55), rgba(201,213,231,.45));
}

.timeline-item {
  position: relative;
  padding-bottom: 34px;
}

.timeline-dot {
  position: absolute;
  left: -26px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-500), var(--cyan-400));
  box-shadow: 0 0 0 5px var(--blue-100), 0 0 24px rgba(55,125,255,.32);
}

.timeline-item small {
  color: var(--blue-500);
  font-weight: 700;
}

.timeline-item h3 {
  margin-top: 6px;
  font-size: 1rem;
}

.timeline-item h4 {
  font-size: .92rem;
  margin-bottom: 8px;
}

.timeline-item p {
  color: var(--muted);
  font-size: .87rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.project-card {
  grid-column: span 2;
  min-height: 260px;
  color: white;
  background:
    linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.025)),
    linear-gradient(135deg, #12233d, #071325);
  border: 1px solid rgba(148,180,255,.14);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--soft-shadow);
  transition: .25s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  border-color: rgba(94,150,255,.34);
  box-shadow: 0 24px 58px rgba(8,23,44,.18);
}

.project-card.wide {
  grid-column: span 3;
  min-height: 220px;
}

.project-card > div:first-child {
  padding: 18px;
}

.project-card h3 {
  font-size: 1rem;
  margin-bottom: 7px;
  letter-spacing: 0;
}

.project-card p {
  color: rgba(255,255,255,.7);
  font-size: .8rem;
}

.tags {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tags span {
  font-size: .65rem;
  padding: 4px 7px;
  border-radius: 5px;
  background: rgba(94,150,255,.13);
  border: 1px solid rgba(148,180,255,.14);
  color: rgba(255,255,255,.78);
}

.project-preview {
  margin-top: auto;
  min-height: 105px;
  border-top: 1px solid rgba(255,255,255,.06);
  background-size: cover;
  position: relative;
  overflow: hidden;
}

.project-preview::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent 0 42%, rgba(255,255,255,.16) 45%, transparent 52%),
    linear-gradient(180deg, transparent, rgba(7,19,37,.28));
}

.preview-finance {
  background:
    radial-gradient(circle at 50% 45%, rgba(111, 56, 255, .2), transparent 34%),
    linear-gradient(135deg, #ffffff, #f4f7ff);
  display: grid;
  place-items: center;
  padding: 18px;
}

.project-logo {
  position: relative;
  z-index: 1;
  width: min(78%, 230px);
  max-height: 88px;
  object-fit: contain;
  filter: drop-shadow(0 10px 20px rgba(82, 39, 204, .16));
}

.preview-education {
  background:
    linear-gradient(135deg, rgba(55,125,255,.18), rgba(74,202,255,.25)),
    repeating-linear-gradient(0deg, rgba(255,255,255,.55) 0 18px, transparent 18px 22px),
    #e8f1ff;
}

.preview-network {
  background:
    radial-gradient(circle at 25% 65%, #377dff 0 4px, transparent 5px),
    radial-gradient(circle at 70% 35%, #5ee7ff 0 4px, transparent 5px),
    linear-gradient(30deg, transparent 48%, rgba(94,150,255,.35) 49% 51%, transparent 52%),
    #0a1730;
}

.preview-mail {
  background:
    radial-gradient(circle at 80% 40%, rgba(55,125,255,.45), transparent 25%),
    linear-gradient(160deg, transparent 45%, rgba(94,150,255,.18) 46% 48%, transparent 49%),
    #0a1730;
}

.preview-ai {
  background:
    radial-gradient(circle at 70% 50%, rgba(55,125,255,.55), transparent 18%),
    repeating-radial-gradient(circle at 70% 50%, rgba(94,150,255,.3) 0 1px, transparent 2px 15px),
    #0a1730;
}

.triple-layout {
  display: grid;
  grid-template-columns: .9fr 1.15fr 1fr;
  gap: 36px;
}

.certificate-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.certificate {
  min-height: 90px;
  padding: 12px;
  display: grid;
  place-items: center;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: .75rem;
  font-weight: 700;
  background: linear-gradient(180deg, white, #f5f8ff);
  box-shadow: 0 10px 24px rgba(8,23,44,.05);
}

.github-card {
  background:
    linear-gradient(180deg, rgba(255,255,255,.075), rgba(255,255,255,.025)),
    linear-gradient(135deg, #13243e, #081426);
  color: white;
  border-radius: 8px;
  padding: 20px;
  border: 1px solid rgba(148,180,255,.14);
  box-shadow: var(--soft-shadow);
}

.github-stats {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin: 16px 0;
  font-size: .72rem;
  color: rgba(255,255,255,.72);
}

.contribution-grid {
  display: grid;
  grid-template-columns: repeat(18, 1fr);
  gap: 3px;
}

.contribution-grid span {
  aspect-ratio: 1;
  border-radius: 2px;
  background: rgba(255,255,255,.08);
}

.contribution-grid span.active-1 { background: rgba(55,125,255,.35); }
.contribution-grid span.active-2 { background: rgba(55,125,255,.6); }
.contribution-grid span.active-3 { background: rgba(55,125,255,.9); }

.blog-list {
  display: grid;
  gap: 12px;
}

.blog-list a {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  transition: .2s ease;
}

.blog-list a:hover {
  color: var(--blue-500);
}

.blog-list strong,
.blog-list small {
  display: block;
}

.blog-list strong {
  font-size: .9rem;
}

.blog-list small {
  color: var(--muted);
  margin-top: 4px;
}

.contact-section {
  padding: 70px 0;
  color: white;
  background:
    radial-gradient(circle at 15% 20%, rgba(84,217,255,.14), transparent 26%),
    linear-gradient(120deg, rgba(55,125,255,.16), transparent 42%),
    linear-gradient(135deg, #08162c, #050b15);
  border-top: 1px solid rgba(148,180,255,.12);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr .7fr;
  gap: 40px;
  align-items: center;
}

.contact-grid h2 {
  margin-bottom: 12px;
}

.contact-grid p {
  color: rgba(255,255,255,.72);
  margin-bottom: 8px;
}

.contact-social {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.site-footer {
  background: #030812;
  color: rgba(255,255,255,.64);
  border-top: 1px solid rgba(148,180,255,.1);
  padding: 20px 0;
  font-size: .8rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-brand img {
  width: 92px;
  height: 48px;
  object-fit: contain;
  object-position: center;
  opacity: .9;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(3, 8, 18, .72);
  backdrop-filter: blur(12px);
}

.modal-backdrop[hidden] {
  display: none;
}

.modal-card {
  position: relative;
  width: min(420px, 100%);
  padding: 30px;
  color: var(--white);
  border: 1px solid rgba(148,180,255,.18);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.035)),
    linear-gradient(135deg, #10213b, #071325);
  box-shadow: 0 26px 80px rgba(0,0,0,.42);
}

.modal-card h2 {
  margin-bottom: 10px;
  font-size: 1.35rem;
}

.modal-card p {
  margin-bottom: 22px;
  color: rgba(225,236,255,.76);
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(148,180,255,.18);
  border-radius: 8px;
  color: rgba(255,255,255,.8);
  background: rgba(255,255,255,.04);
  cursor: pointer;
  font-size: 1.25rem;
  line-height: 1;
}

.reveal {
  opacity: 0;
  transform: translateY(25px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.show {
  opacity: 1;
  transform: none;
}

@media (max-width: 1050px) {
  .hero h1 {
    font-size: 4.35rem;
  }

  .hero h2 {
    font-size: 1.95rem;
  }

  .main-nav {
    gap: 15px;
  }

  .main-nav a {
    font-size: .78rem;
  }

  .expertise-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tech-row {
    grid-template-columns: repeat(4, 1fr);
  }

  .triple-layout {
    grid-template-columns: 1fr 1fr;
  }

  .triple-layout > :last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 860px) {
  .menu-toggle {
    display: block;
    margin-left: auto;
  }

  .nav-cta {
    display: none;
  }

  .language-switch {
    order: 3;
  }

  .main-nav {
    position: absolute;
    top: 72px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    border-radius: 8px;
    background: rgba(7,18,35,.96);
    border: 1px solid rgba(148,180,255,.16);
    box-shadow: var(--shadow);
  }

  .main-nav.open {
    display: flex;
  }

  .hero {
    padding-top: 120px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .hero-visual {
    min-height: 430px;
  }

  .portrait-card {
    width: 315px;
    height: 358px;
  }

  .portrait-ring {
    width: 360px;
    height: 360px;
  }

  .chip-one { left: max(0px, calc(50% - 210px)); }
  .chip-two { right: max(0px, calc(50% - 220px)); }
  .chip-three { left: max(18px, calc(50% - 190px)); }

  .stats-panel {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-item:nth-child(2)::after {
    display: none;
  }

  .two-column,
  .portfolio-layout,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .project-card,
  .project-card.wide {
    grid-column: span 1;
  }

  .contact-social {
    justify-content: flex-start;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .hero h1 {
    font-size: 3rem;
  }

  .hero h2 {
    font-size: 1.38rem;
  }

  .hero h3 {
    font-size: 1.12rem;
  }

  .hero p {
    font-size: .98rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .stats-panel,
  .expertise-grid,
  .tech-row,
  .projects-grid,
  .triple-layout,
  .certificate-row {
    grid-template-columns: 1fr;
  }

  .triple-layout > :last-child {
    grid-column: auto;
  }

  .stat-item::after {
    display: none;
  }

  .hero-visual {
    min-height: 380px;
  }

  .portrait-card {
    width: min(286px, 82vw);
    height: min(326px, 94vw);
    border-radius: 26px;
  }

  .portrait-ring {
    width: min(330px, 92vw);
    height: min(330px, 92vw);
  }

  .floating-chip {
    font-size: .65rem;
    padding: 8px 10px;
  }

  .chip-one { top: 44px; left: 0; }
  .chip-two { top: 166px; right: 0; }
  .chip-three { left: 14px; bottom: 22px; }

  .stats-panel {
    margin-top: 42px;
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-item {
    padding: 22px 14px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-brand {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }
}