:root {
  --bg: #0d1017;
  --bg-soft: #141923;
  --bg-panel: #191f2c;
  --text: #f6f7fb;
  --muted: #aab2c5;
  --line: rgba(255, 255, 255, 0.11);
  --accent: #ff4d6d;
  --accent-2: #ff9f1c;
  --accent-3: #29c3b1;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  --radius: 8px;
  --header-height: 76px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

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

img {
  display: block;
  max-width: 100%;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.section {
  padding: 96px 0;
  position: relative;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(13, 16, 23, 0.82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.navbar {
  width: min(1180px, calc(100% - 32px));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #11131a;
  box-shadow: 0 12px 30px rgba(255, 77, 109, 0.24);
}

.nav-menu {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  display: inline-flex;
  padding: 10px 12px;
  color: var(--muted);
  font-size: 0.93rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: color 180ms ease, background 180ms ease;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
}

.nav-toggle {
  width: 44px;
  height: 44px;
  display: none;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
}

/* Hero layout */
.hero {
  min-height: calc(100vh - var(--header-height));
  display: grid;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 16% 22%, rgba(255, 77, 109, 0.2), transparent 32%),
    radial-gradient(circle at 84% 12%, rgba(41, 195, 177, 0.14), transparent 30%),
    linear-gradient(135deg, rgba(255, 159, 28, 0.08), transparent 36%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 58px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-2);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  line-height: 1.12;
  margin: 0;
}

h1 {
  max-width: 780px;
  font-size: clamp(3rem, 7vw, 5.8rem);
  font-weight: 800;
}

.hero h2 {
  margin-top: 16px;
  color: var(--accent);
  font-size: clamp(1.25rem, 2.4vw, 2rem);
  font-weight: 700;
}

.hero-tagline {
  max-width: 690px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.1rem;
}

.hero-actions,
.card-actions,
.social-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 34px;
}

.btn,
.small-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 800;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

.btn {
  padding: 0 18px;
}

.btn:hover,
.small-btn:hover {
  transform: translateY(-3px);
}

.btn-primary {
  color: #11131a;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 16px 42px rgba(255, 77, 109, 0.26);
}

.btn-secondary {
  color: var(--text);
  border-color: rgba(255, 159, 28, 0.45);
  background: rgba(255, 159, 28, 0.09);
}

.btn-ghost {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.06);
}

.social-row {
  margin-top: 28px;
}

.social-row a,
.site-footer a {
  width: 44px;
  height: 44px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.05);
  transition: color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.social-row a:hover,
.site-footer a:hover {
  color: var(--accent-2);
  border-color: rgba(255, 159, 28, 0.55);
  transform: translateY(-3px);
}

.hero-visual {
  position: relative;
  min-height: 480px;
  display: grid;
  place-items: center;
}

.profile-frame {
  width: min(390px, 84vw);
  aspect-ratio: 1;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 24px;
  background:
    linear-gradient(var(--bg-panel), var(--bg-panel)) padding-box,
    linear-gradient(135deg, var(--accent), var(--accent-2), var(--accent-3)) border-box;
  box-shadow: var(--shadow);
  animation: floatProfile 6s ease-in-out infinite;
}

.profile-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 16px;
}

.metric-card {
  position: absolute;
  width: min(255px, 76vw);
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(20, 25, 35, 0.88);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.metric-card span {
  display: block;
  color: var(--accent-2);
  font-weight: 800;
}

.metric-card p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.metric-top {
  top: 34px;
  right: -118px;
}

.metric-bottom {
  left: -108px;
  bottom: 30px;
}

.section-heading {
  max-width: 650px;
}

.section-heading.centered {
  margin: 0 auto 44px;
  text-align: center;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
}

.split-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 58px;
  align-items: start;
}

.about-content p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 1.03rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.about-stats div,
.skill-card,
.project-card,
.experience-card,
.education-card,
.cert-card,
.contact-form {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.045);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.18);
}

.about-stats div {
  padding: 18px;
}

.about-stats span {
  color: var(--accent);
  font-size: 1.6rem;
  font-weight: 800;
}

.about-stats p {
  margin: 4px 0 0;
  font-size: 0.9rem;
}

.skills-grid,
.project-grid,
.cert-grid {
  display: grid;
  gap: 18px;
}

.skills-grid {
  grid-template-columns: repeat(3, 1fr);
}

.skill-card,
.project-card {
  position: relative;
  overflow: hidden;
  padding: 26px;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.skill-card::before,
.project-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 77, 109, 0.14), transparent 42%);
  opacity: 0;
  transition: opacity 180ms ease;
}

.skill-card:hover,
.project-card:hover,
.experience-card:hover,
.education-card:hover,
.cert-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 77, 109, 0.45);
  background: rgba(255, 255, 255, 0.068);
}

.skill-card:hover::before,
.project-card:hover::before {
  opacity: 1;
}

.skill-card > *,
.project-card > * {
  position: relative;
}

.skill-card i,
.project-icon,
.education-card i,
.cert-card i {
  width: 46px;
  height: 46px;
  display: inline-grid;
  place-items: center;
  border-radius: var(--radius);
  color: #11131a;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.skill-card h3,
.project-card h3,
.experience-card h3,
.education-card h3 {
  margin-top: 20px;
  font-size: 1.18rem;
}

.skill-card p,
.project-card p,
.experience-card p,
.education-card p {
  margin: 12px 0 0;
  color: var(--muted);
}

.project-grid {
  grid-template-columns: repeat(6, 1fr);
}

.project-card {
  grid-column: span 2;
  min-height: 348px;
  display: flex;
  flex-direction: column;
}

.project-card:nth-child(4),
.project-card:nth-child(5) {
  grid-column: span 3;
}

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

.badge-row span {
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.055);
  font-size: 0.78rem;
  font-weight: 700;
}

.card-actions {
  margin-top: auto;
  padding-top: 24px;
}

.small-btn {
  min-height: 40px;
  padding: 0 13px;
  border-color: var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.055);
  font-size: 0.88rem;
}

.small-btn.accent {
  color: #11131a;
  border-color: transparent;
  background: var(--accent-2);
}

.experience-list {
  display: grid;
  gap: 18px;
  max-width: 900px;
  margin: 0 auto;
}

.experience-card {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 24px;
  padding: 24px;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.experience-date,
.timeline-year {
  color: var(--accent-2);
  font-weight: 800;
}

.experience-card h3 {
  margin-top: 0;
}

.muted {
  color: var(--muted);
}

/* My Journey timeline */
.timeline-section {
  overflow: hidden;
}

.timeline {
  position: relative;
  width: min(920px, 100%);
  margin: 0 auto;
  padding: 24px 0;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  transform: translateX(-50%);
  background: linear-gradient(var(--accent), var(--accent-2), var(--accent-3));
  border-radius: 999px;
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  margin: 0 0 34px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  top: 28px;
  left: 50%;
  width: 20px;
  height: 20px;
  border: 4px solid var(--bg);
  border-radius: 50%;
  transform: translateX(-50%);
  background: var(--accent-2);
  box-shadow: 0 0 0 8px rgba(255, 159, 28, 0.12);
  z-index: 1;
}

.timeline-content {
  grid-column: 1;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(25, 31, 44, 0.9);
  box-shadow: var(--shadow);
  transition: transform 180ms ease, border-color 180ms ease;
}

.timeline-item:nth-child(even) .timeline-content {
  grid-column: 2;
}

.timeline-content:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 159, 28, 0.5);
}

.timeline-content h3 {
  margin-top: 8px;
  font-size: 1.12rem;
}

.timeline-content p {
  margin: 12px 0 0;
  color: var(--muted);
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.education-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 26px;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.education-card h3 {
  margin-top: 0;
}

.education-card span {
  display: inline-block;
  margin-top: 10px;
  color: var(--accent-2);
  font-weight: 800;
}

.cert-grid {
  grid-template-columns: repeat(3, 1fr);
}

.cert-card {
  min-height: 92px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  color: var(--text);
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.contact-section {
  background:
    linear-gradient(135deg, rgba(255, 77, 109, 0.1), transparent 42%),
    linear-gradient(315deg, rgba(41, 195, 177, 0.08), transparent 36%);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 46px;
  align-items: start;
}

.contact-copy h2 {
  max-width: 620px;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.contact-copy p {
  color: var(--muted);
}

.contact-links {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.contact-links a {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-weight: 700;
}

.contact-links i {
  color: var(--accent-2);
}

.contact-form {
  display: grid;
  gap: 10px;
  padding: 26px;
}

.contact-form label {
  color: var(--text);
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  background: rgba(255, 255, 255, 0.055);
  font: inherit;
  padding: 13px 14px;
  outline: none;
  resize: vertical;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(255, 159, 28, 0.65);
  box-shadow: 0 0 0 4px rgba(255, 159, 28, 0.12);
}

.contact-form button {
  width: fit-content;
  margin-top: 8px;
}

.contact-form button:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.form-status {
  min-height: 24px;
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.form-status.success {
  color: var(--accent-3);
}

.form-status.error {
  color: var(--accent);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #090c11;
}

.footer-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes floatProfile {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}

/* Responsive navigation and grids */
@media (max-width: 1040px) {
  .nav-toggle {
    display: grid;
  }

  .nav-menu {
    position: fixed;
    inset: var(--header-height) 16px auto;
    display: grid;
    max-height: calc(100vh - var(--header-height) - 24px);
    overflow-y: auto;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(13, 16, 23, 0.96);
    box-shadow: var(--shadow);
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-menu a {
    width: 100%;
  }

  .hero-grid,
  .split-section,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 420px;
  }

  .metric-top {
    right: 4%;
  }

  .metric-bottom {
    left: 4%;
  }

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

  .project-card,
  .project-card:nth-child(4),
  .project-card:nth-child(5) {
    grid-column: span 3;
  }
}

@media (max-width: 760px) {
  .section {
    padding: 72px 0;
  }

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

  .about-stats,
  .skills-grid,
  .project-grid,
  .education-grid,
  .cert-grid {
    grid-template-columns: 1fr;
  }

  .project-card,
  .project-card:nth-child(4),
  .project-card:nth-child(5) {
    grid-column: auto;
  }

  .experience-card {
    grid-template-columns: 1fr;
  }

  .timeline {
    padding-left: 28px;
  }

  .timeline::before {
    left: 10px;
  }

  .timeline-item,
  .timeline-item:nth-child(even) {
    display: block;
    margin-bottom: 22px;
  }

  .timeline-dot {
    left: 10px;
  }

  .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    grid-column: auto;
  }

  .metric-card {
    position: relative;
    inset: auto;
    margin-top: 14px;
  }

  .metric-top,
  .metric-bottom {
    position: relative;
  }

  .hero-visual {
    align-content: center;
    min-height: auto;
  }
}

@media (max-width: 480px) {
  .container,
  .navbar {
    width: min(100% - 24px, 1120px);
  }

  h1 {
    font-size: 2.65rem;
  }

  .section-heading.centered {
    text-align: left;
  }

  .skill-card,
  .project-card,
  .timeline-content,
  .education-card,
  .contact-form {
    padding: 20px;
  }

  .footer-inner {
    flex-direction: column;
    justify-content: center;
    text-align: center;
  }
}