:root {
  /* DAY THEME (Light Green) */
  --primary: #36b37e;
  --primary-light: #b7f5c5;
  --secondary: #e8f8ee;
  --accent: #b7f5c5;
  --bg-main: #f6fff8;
  --bg-hero: radial-gradient(ellipse at 70% 40%, #e0fce7 0%, #f6fff8 100%);
  --bg-light: #fff;
  --text-main: #183b29;
  --text-soft: #49b87a;
  --radius: 14px;
  --shadow: 0 6px 32px 0 rgba(54, 179, 126, 0.13);
  --duration: 0.35s;
  --font-main: 'Segoe UI', Arial, sans-serif;
  --header-height: 64px;
}
[data-theme="night"] {
  /* NIGHT THEME (Deep Green/Teal) */
  --primary: #24b47e;
  --primary-light: #233f3b;
  --secondary: #202e28;
  --accent: #2ce886;
  --bg-main: #14251e;
  --bg-hero: radial-gradient(ellipse at 70% 40%, #202e28 0%, #14251e 100%);
  --bg-light: #192b22;
  --text-main: #eafcf3;
  --text-soft: #9af3c4;
  --radius: 14px;
  --shadow: 0 6px 32px 0 rgba(44, 232, 134, 0.10);
  --duration: 0.35s;
  --font-main: 'Segoe UI', Arial, sans-serif;
  --header-height: 64px;
}

html {
  scroll-behavior: smooth;
}
body {
  background: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-main);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  letter-spacing: .01em;
  transition: background var(--duration), color var(--duration);
}
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-light);
  box-shadow: 0 2px 8px rgba(54,179,126, 0.09);
  transition: background var(--duration);
}
.navbar {
  max-width: 1200px;
  margin: 0 auto;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
}
.navbar__logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: bold;
  font-size: 1.2rem;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: 1px;
}
.navbar__logo img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-light);
  object-fit: cover;
}
.navbar__links {
  display: flex;
  gap: 1.3rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.navbar__link {
  color: var(--text-main);
  text-decoration: none;
  font-size: 1rem;
  position: relative;
  padding: 4px 10px;
  border-radius: 6px;
  transition: background var(--duration), color var(--duration);
}
.navbar__link.active, .navbar__link:focus, .navbar__link:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.navbar__theme-toggle {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 1.3rem;
  margin-left: 1rem;
  cursor: pointer;
  border-radius: 50%;
  padding: 0.4em;
  transition: background var(--duration);
}
.navbar__theme-toggle:hover,
.navbar__theme-toggle:focus {
  background: var(--primary-light);
}
.navbar__toggle {
  display: none;
  background: none;
  border: none;
  color: var(--primary);
  font-size: 1.6rem;
  margin-left: 1rem;
  cursor: pointer;
  border-radius: 50%;
  padding: .3em;
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-hero);
  overflow: hidden;
}
.hero__bg-canvas {
  position: absolute;
  left: 0; top: 0; width: 100vw; height: 100vh;
  z-index: 1;
  pointer-events: none;
}
.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: auto;
  padding: 2rem 1rem 0 1rem;
}
.hero__avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--primary);
  box-shadow: 0 2px 14px rgba(54,179,126, 0.10);
  margin-bottom: 1.2rem;
  background: var(--primary-light);
}
.hero__greeting {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: .3em;
  letter-spacing: .08em;
}
.hero__name {
  font-size: 2.5rem;
  font-weight: bold;
  margin: 0 .1em .18em .1em;
  color: var(--primary);
  letter-spacing: 1.5px;
}
.hero__role {
  font-size: 1.35rem;
  margin-bottom: 1.1em;
  min-height: 2.3em;
  color: var(--text-main);
  font-family: 'Fira Mono', 'Consolas', 'monospace', sans-serif;
  text-shadow: 0 1px 10px rgba(54,179,126, 0.06);
}
[data-theme="night"] .hero__role {
  color: var(--accent);
}
.hero__desc {
  color: var(--text-soft);
  margin-bottom: 2.1em;
  font-size: 1.09em;
}
.hero__actions {
  display: flex;
  justify-content: center;
  gap: 1.2em;
  margin-bottom: 2em;
  flex-wrap: wrap;
}
.btn {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0.7em 1.5em;
  font-size: 1.07em;
  font-weight: 500;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(54,179,126, 0.14);
  transition: background var(--duration), color var(--duration), transform .15s;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  outline: none;
  text-decoration: none;
}
.btn--secondary {
  background: var(--accent);
  color: var(--text-main);
}
.btn:focus, .btn:hover {
  background: var(--primary-light);
  color: var(--primary);
  transform: translateY(-2px) scale(1.03);
}
.hero__hobbies {
  margin-top: 1.2em;
  font-size: 1.01em;
  color: var(--text-soft);
}
.hero__hobbies span {
  margin-right: 1.1em;
  vertical-align: middle;
}

/* ===== Section General ===== */
section {
  padding: 4.5rem 0 3.5rem 0;
  background: transparent;
}
.container {
  max-width: 900px;
  margin: auto;
  padding: 0 1.1rem;
}
.section__title {
  font-size: 2rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 2.1rem;
  display: flex;
  align-items: center;
  gap: .5em;
  letter-spacing: .02em;
}
.section__subtitle {
  color: var(--primary);
  font-size: 1.07em;
  margin-bottom: 1.1em;
}

/* ===== About ===== */
.about__wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  align-items: flex-start;
}
.about__avatar {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--primary);
  margin-bottom: .8em;
  background: var(--primary-light);
}
.about__info {
  flex: 1;
  min-width: 270px;
}
.about__list {
  padding: 0;
  margin: 1em 0 0 0;
  list-style: none;
  color: var(--text-soft);
  font-size: 1.07em;
}
.about__list li {
  margin-bottom: .4em;
  display: flex;
  align-items: center;
  gap: .7em;
}
.about__list .fa-solid {
  color: var(--primary);
}

/* ===== Skills ===== */
.skills__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.7rem;
  margin-top: 2.5rem;
}
.skillbar {
  margin-bottom: 1.1em;
  display: flex;
  flex-direction: column;
  gap: .4em;
}
.skillbar__label {
  font-size: 1.07em;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 2px;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: .5em;
}
.skillbar__track {
  background: var(--primary-light);
  border-radius: 7px;
  width: 100%;
  height: 13px;
  position: relative;
  overflow: hidden;
}
.skillbar__progress {
  background: linear-gradient(90deg, var(--primary) 60%, var(--accent));
  height: 100%;
  width: 0;
  border-radius: 7px 0 0 7px;
  transition: width 1.2s cubic-bezier(.43,1.55,.52,.98);
}
.skillbar__percent {
  font-size: 0.98em;
  color: var(--text-soft);
  margin-left: .7em;
  font-family: 'Fira Mono', 'Consolas', monospace;
}

/* ===== Experience ===== */
.experience__card {
  background: var(--secondary);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2.2em 2em 1.3em 2em;
  margin-bottom: 1.7em;
  color: var(--text-main);
  position: relative;
  transition: transform .17s;
  border-left: 6px solid var(--primary);
}
.experience__card:hover {
  transform: scale(1.025) translateY(-3px);
  box-shadow: 0 6px 32px 0 rgba(44,232,134, 0.24);
}
.experience__title {
  font-size: 1.2em;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: .3em;
}
.experience__subtitle {
  color: var(--primary);
  font-size: 1em;
  margin-bottom: .5em;
  font-weight: 500;
}
.experience__details {
  margin-top: .7em;
  color: var(--text-soft);
  font-size: 1.02em;
}
.experience__details li {
  margin-bottom: .5em;
}

/* ===== Projects ===== */
.projects__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2.2rem;
}
.project__card {
  background: var(--secondary);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.7em 1.5em;
  color: var(--text-main);
  transition: box-shadow .16s, transform .13s;
  display: flex;
  flex-direction: column;
  min-height: 190px;
  justify-content: space-between;
  border-left: 5px solid var(--primary);
}
.project__card:hover {
  box-shadow: 0 8px 32px 0 rgba(44, 232, 134, 0.14), var(--shadow);
  transform: translateY(-2px) scale(1.02);
}
.project__title {
  font-size: 1.13em;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: .5em;
  letter-spacing: .02em;
}
.project__tools {
  color: var(--text-soft);
  font-size: .99em;
  margin-bottom: .6em;
}
.project__desc {
  font-size: .99em;
  margin-bottom: .2em;
  color: var(--text-main);
}
.project__links {
  margin-top: 1em;
  display: flex;
  gap: 1em;
  align-items: center;
}
.project__link {
  color: var(--primary);
  font-size: 1.1em;
  text-decoration: none;
  transition: color var(--duration);
}
.project__link:hover {
  color: var(--accent);
}

/* ===== Certifications ===== */
.cert__list {
  list-style: none;
  padding: 0;
  color: var(--text-soft);
  font-size: 1.08em;
  margin-top: 1.3em;
}
.cert__list li {
  margin-bottom: 1em;
  display: flex;
  align-items: center;
  gap: .7em;
}
.cert__list .fa-certificate {
  color: var(--primary);
}

/* ===== Contact ===== */
#contact-form {
  max-width: 410px;
  margin: 1.7em auto 0 auto;
  background: var(--secondary);
  padding: 2em 1.3em;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.form__group {
  margin-bottom: 1.2em;
}
.form__label {
  display: block;
  margin-bottom: .3em;
  color: var(--primary);
  font-weight: 500;
}
.form__input, .form__textarea {
  width: 100%;
  padding: .7em;
  border-radius: 7px;
  border: 1px solid var(--primary-light);
  background: var(--bg-light);
  color: var(--text-main);
  font-size: 1em;
  font-family: inherit;
  transition: border var(--duration);
  margin-bottom: .2em;
}
.form__input:focus, .form__textarea:focus {
  border-color: var(--primary);
  outline: none;
}
.form__status {
  min-height: 1.7em;
  font-size: 1em;
  color: var(--primary);
  margin-top: .7em;
}
.btn--submit {
  margin-top: .9em;
  width: 100%;
  font-size: 1.08em;
}

/* ===== Resume Modal ===== */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0; top: 0; width: 100vw; height: 100vh;
  background: rgba(24,59,41,0.92);
  align-items: center;
  justify-content: center;
}
.modal.open {
  display: flex;
  animation: fadeIn .25s;
}
@keyframes fadeIn { from{opacity:0;} to{opacity:1;} }
.modal__content {
  background: var(--bg-light);
  color: var(--text-main);
  border-radius: var(--radius);
  padding: 2.1em 1.2em;
  min-width: 320px;
  max-width: 95vw;
  width: 420px;
  position: relative;
  box-shadow: 0 6px 32px 0 rgba(44,232,134, 0.15);
  text-align: center;
}
.modal__close {
  position: absolute;
  top: 1.1em;
  right: 1.2em;
  background: none;
  border: none;
  font-size: 1.25em;
  color: var(--primary);
  cursor: pointer;
}
.modal__title {
  font-size: 1.1em;
  color: var(--primary);
  margin-bottom: 1.3em;
  font-weight: 600;
}
.modal__iframe {
  width: 100%;
  height: 380px;
  border: none;
  background: #fff;
  border-radius: 7px;
  margin-bottom: 1.8em;
  box-shadow: 0 2px 12px rgba(30,41,59,.07);
}
.modal__download {
  margin-top: .8em;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius);
  padding: .7em 1.5em;
  font-size: 1.08em;
  border: none;
  text-decoration: none;
  display: inline-block;
  font-weight: 500;
}
.modal__download:hover, .modal__download:focus {
  background: var(--accent);
  color: var(--primary);
}

/* ===== Footer ===== */
footer {
  padding: 2.5em 0 1.1em 0;
  background: var(--bg-light);
  text-align: center;
  font-size: 1.05em;
  color: var(--text-soft);
  letter-spacing: .03em;
}
.footer__copyright {
  margin-bottom: .7em;
}
.footer__socials a {
  color: var(--primary);
  text-decoration: none;
  margin: 0 .5em;
  font-size: 1.25em;
  vertical-align: middle;
  transition: color var(--duration);
}
.footer__socials a:hover { color: var(--accent); }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .skills__grid, .projects__grid {
    grid-template-columns: 1fr;
  }
  .about__wrapper {
    flex-direction: column;
    align-items: stretch;
  }
}
@media (max-width: 700px) {
  .container { padding: 0 .4rem; }
  .hero__content { padding: 2rem .3rem 0 .3rem; }
  section { padding: 3.3rem 0 2.5rem 0; }
  .experience__card, .project__card { padding: 1.2em .8em; }
  .modal__content { padding: 1.2em .3em; }
}
@media (max-width: 600px) {
  .navbar__links {
    display: none;
    position: absolute;
    top: var(--header-height);
    right: .5rem;
    flex-direction: column;
    gap: 1.2rem;
    background: var(--bg-light);
    min-width: 170px;
    border-radius: var(--radius);
    box-shadow: 0 2px 16px rgba(54,179,126,0.18);
    padding: 1.1rem .8rem;
    z-index: 111;
  }
  .navbar__links.open { display: flex; }
  .navbar__toggle { display: block; }
  .navbar__links .navbar__link { padding: 8px 10px; }
  .hero__avatar { width: 95px; height: 95px; }
  .about__avatar { width: 85px; height: 85px; }
}