/* ===========================
   1. Theme Variables
   =========================== */
:root {
  --bg-primary: 249, 250, 251;
  --bg-secondary: 255, 255, 255;
  --bg-accent: 239, 246, 255;
  --text-primary: 17, 24, 39;
  --text-secondary: 75, 85, 99;
  --text-muted: 156, 163, 175;
  --border-color: 229, 231, 235;
}

[data-theme="dark"] {
  --bg-primary: 17, 24, 39;
  --bg-secondary: 31, 41, 55;
  --bg-accent: 30, 41, 59;
  --text-primary: 243, 244, 246;
  --text-secondary: 209, 213, 219;
  --text-muted: 156, 163, 175;
  --border-color: 55, 65, 81;
}

/* ===========================
   2. Reset & Base
   =========================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border: 0 solid #e5e7eb;
}

html {
  scroll-behavior: smooth;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background-color: rgb(var(--bg-primary));
  color: rgb(var(--text-primary));
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

a {
  color: inherit;
  text-decoration: inherit;
}

button,
input,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

h1,
h2,
h3 {
  font-size: inherit;
  font-weight: inherit;
}

ul,
ol {
  list-style: none;
}

strong {
  font-weight: bolder;
}

textarea {
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  opacity: 1;
  color: #9ca3af;
}

button,
[role="button"] {
  cursor: pointer;
}

/* ===========================
   3. Theme Utility Classes
   =========================== */
.text-primary {
  color: rgb(var(--text-primary));
}
.text-secondary {
  color: rgb(var(--text-secondary));
}
.text-muted {
  color: rgb(var(--text-muted));
}
.text-white {
  color: #fff;
}
.bg-secondary {
  background-color: rgb(var(--bg-secondary));
}
.bg-accent {
  background-color: rgb(var(--bg-accent));
}
.border-theme {
  border-color: rgb(var(--border-color));
}
.bg-border-muted {
  background-color: rgba(var(--border-color), 0.5);
}

/* ===========================
   4. Layout
   =========================== */
.container {
  max-width: 56rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.site-header {
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.header-inner {
  padding-top: 1rem;
  padding-bottom: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-name {
  font-size: 1.25rem;
  line-height: 1.75rem;
  font-weight: 700;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.main-content {
  padding-top: 3rem;
  padding-bottom: 3rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -4px rgba(0, 0, 0, 0.1);
  border-radius: 0.5rem;
}

/* Profile */
.profile-row {
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.profile-image {
  width: 8rem;
  height: 8rem;
  border-radius: 9999px;
  margin-left: auto;
  margin-right: auto;
  object-fit: cover;
  border: 4px solid;
  flex-shrink: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.profile-image:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.profile-text {
  flex: 1 1 0%;
  text-align: center;
}

.profile-name {
  font-size: 2.25rem;
  line-height: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.profile-title {
  font-size: 1.25rem;
  line-height: 1.75rem;
  margin-bottom: 1rem;
}

.profile-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  font-size: 0.875rem;
  line-height: 1.25rem;
}

/* Sections */
.section {
  margin-bottom: 2.5rem;
}

.section-heading {
  font-size: 1.5rem;
  line-height: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  border-bottom: 2px solid;
  padding-bottom: 0.5rem;
  position: relative;
  display: inline-block;
}

.section-heading::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(135deg, #169b62 0%, #0d7a4d 100%);
  border-radius: 2px;
}

.summary-text {
  line-height: 1.625;
}

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.skill-label {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

/* Experience */
.job-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.job-title {
  font-size: 1.25rem;
  line-height: 1.75rem;
  font-weight: 600;
}

.job-date {
  font-size: 0.875rem;
  line-height: 1.25rem;
  white-space: nowrap;
}

.job-description {
  font-weight: 500;
  margin-bottom: 0.5rem;
}

/* Education */
.edu-entry {
  margin-bottom: 1rem;
}

.edu-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.edu-title {
  font-size: 1.125rem;
  line-height: 1.75rem;
  font-weight: 600;
}

.edu-detail {
  font-size: 0.875rem;
  line-height: 1.25rem;
  margin-top: 0.5rem;
}

/* Certifications */
.cert-list {
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.cert-list > li + li {
  margin-top: 0.25rem;
}

/* Achievements */
.achievements-list {
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.achievements-list > li + li {
  margin-top: 0.5rem;
}

/* Contact */
.contact-section {
  margin-top: 3rem;
  padding: 2rem;
  border-radius: 0.5rem;
}

.contact-heading {
  font-size: 1.5rem;
  line-height: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-align: center;
}

.contact-subtitle {
  margin-bottom: 1.5rem;
  text-align: center;
}

.contact-form {
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}

.contact-form > * + * {
  margin-top: 1rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.form-field {
  width: 100%;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid rgb(var(--border-color));
  transition: border-color 0.15s, box-shadow 0.15s;
  background-color: rgb(var(--bg-secondary));
  color: rgb(var(--text-primary));
}

.form-field:focus {
  outline: none;
  border-color: #169b62;
  box-shadow: 0 0 0 3px rgba(22, 155, 98, 0.1);
}

/* Footer */
.site-footer {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.footer-inner {
  text-align: center;
  font-size: 0.875rem;
  line-height: 1.25rem;
}

.footer-source {
  margin-top: 0.5rem;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.15s;
}

.footer-link svg {
  width: 1rem;
  height: 1rem;
}

/* Visibility */
.hidden {
  display: none;
}

/* ===========================
   5. Buttons
   =========================== */
.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, #169b62 0%, #0d7a4d 100%);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-weight: 500;
  white-space: nowrap;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  text-align: center;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0d7a4d 0%, #0a5c39 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(22, 155, 98, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-primary-lg {
  padding: 0.75rem 2rem;
}

.btn-secondary {
  display: inline-block;
  background-color: transparent;
  border: 2px solid #169b62;
  color: #169b62;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-weight: 500;
  white-space: nowrap;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: center;
}

.btn-secondary:hover {
  background-color: #169b62;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(22, 155, 98, 0.2);
}

.btn-secondary:active {
  transform: translateY(0);
}

.btn-secondary-lg {
  padding: 0.75rem 2rem;
}

/* ===========================
   6. Icon Buttons & Theme Toggle
   =========================== */
.icon-button {
  padding: 0.5rem;
  border-radius: 0.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background-color: rgba(var(--border-color), 0.5);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon-button:hover {
  transform: scale(1.1);
  background-color: rgba(var(--border-color), 0.8) !important;
}

.icon-button:active {
  transform: scale(0.95);
}

.icon-button svg {
  width: 1.25rem;
  height: 1.25rem;
  color: rgb(var(--text-primary));
}

#theme-toggle {
  padding: 0.5rem;
  border-radius: 0.5rem;
  border: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#theme-toggle:hover {
  transform: rotate(20deg) scale(1.1);
  background-color: rgba(var(--border-color), 0.8) !important;
}

#theme-toggle:active {
  transform: rotate(20deg) scale(0.95);
}

.toggle-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: rgb(var(--text-primary));
}

/* ===========================
   7. Components
   =========================== */

/* Skip to content */
.skip-to-content {
  position: absolute;
  top: -40px;
  left: 0;
  background: #169b62;
  color: white;
  padding: 8px 16px;
  text-decoration: none;
  border-radius: 0 0 4px 0;
  z-index: 100;
  font-weight: 500;
}

.skip-to-content:focus {
  top: 0;
}

/* Timeline */
.timeline-container {
  position: relative;
  border-left: 2px solid rgba(22, 155, 98, 0.2);
  margin-left: 1rem;
  padding-left: 0;
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
  padding-left: 2.5rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -13px;
  top: 32px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, #169b62 0%, #0d7a4d 100%);
  border: 3px solid rgb(var(--bg-secondary));
  z-index: 1;
  transition: all 0.3s ease;
}

.timeline-item:hover::before {
  transform: scale(1.2);
  box-shadow: 0 0 0 6px rgba(22, 155, 98, 0.1);
}

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

/* Experience cards */
.experience-card {
  padding: 1.5rem;
  border-radius: 0.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background-color: transparent !important;
}

.experience-card:hover {
  transform: translateY(-4px);
  background-color: rgba(var(--bg-accent), 0.4) !important;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

[data-theme="dark"] .experience-card:hover {
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
}

/* Experience list */
.experience-list {
  list-style: disc;
  list-style-position: outside;
  padding-left: 1.25rem;
  margin-left: 1rem;
  line-height: 1.7;
  font-size: 0.875rem;
}

.experience-list li {
  padding-left: 0.5rem;
  margin-bottom: 0.75rem;
}

.experience-list li::marker {
  color: rgb(var(--text-muted));
}

/* Skill cards */
.skill-card {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 1rem;
  border-radius: 0.5rem;
  cursor: default;
  background-color: transparent;
}

.skill-card:hover {
  background-color: rgba(var(--bg-accent), 0.4);
  transform: translateX(4px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .skill-card:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Links */
.link-underline {
  position: relative;
  text-decoration: none;
}

.link-underline::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: #169b62;
  transition: width 0.3s ease;
}

.link-underline:hover::after {
  width: 100%;
}

.link-hover-green {
  color: rgb(var(--text-secondary));
  transition: color 0.15s;
}

.link-hover-green:hover {
  color: #169b62;
}

.link-hover-green-muted {
  color: rgb(var(--text-muted));
  transition: color 0.15s;
}

.link-hover-green-muted:hover {
  color: #169b62;
}

/* Contact buttons */
.contact-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.contact-buttons a,
.contact-buttons button {
  flex: 1 1 auto;
  min-width: 150px;
  text-align: center;
}

/* ===========================
   8. Responsive
   =========================== */
@media (min-width: 768px) {
  .profile-row {
    flex-direction: row;
    align-items: center;
  }

  .profile-image {
    margin-left: 0;
    margin-right: 0;
  }

  .profile-text {
    text-align: left;
  }

  .profile-links {
    justify-content: flex-start;
  }

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

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

@media (max-width: 767px) {
  .header-nav {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .btn-primary,
  .btn-secondary {
    font-size: 0.875rem;
    padding: 0.5rem 0.75rem;
  }

  .header-nav .btn-secondary {
    order: -3;
  }

  .header-nav .icon-button:first-of-type {
    order: -2;
  }

  .header-nav .icon-button:nth-of-type(2) {
    order: -1;
  }

  #theme-toggle {
    order: 0;
  }

  .job-header {
    flex-direction: column;
    gap: 0.25rem;
  }

  .job-date {
    white-space: normal;
  }

  .edu-header {
    flex-direction: column;
    gap: 0.25rem;
  }
}

@media (max-width: 640px) {
  .contact-buttons {
    flex-direction: column;
  }

  .contact-buttons a,
  .contact-buttons button {
    width: 100%;
  }
}

/* ===========================
   9. Print
   =========================== */
@media print {
  * {
    color: #000 !important;
    background-color: #fff !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

  .no-print {
    display: none !important;
  }

  .timeline-container {
    border-left: none !important;
    margin-left: 0;
  }

  .timeline-item::before {
    display: none !important;
  }

  .timeline-item {
    padding-left: 0 !important;
  }

  main {
    box-shadow: none !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  .experience-card {
    box-shadow: none !important;
    background-color: transparent !important;
    page-break-inside: avoid;
  }

  section {
    page-break-inside: avoid;
  }

  h2 {
    border-bottom: 2px solid #000 !important;
    page-break-after: avoid;
  }

  a {
    text-decoration: none;
  }

  a[href^="http"]:after {
    content: none;
  }
}

/* ===========================
   10. Form Feedback
   =========================== */
.form-status {
  padding: 1rem 1.5rem;
  border-radius: 0.5rem;
  text-align: center;
  font-weight: 500;
}

.form-status-success {
  background-color: rgba(22, 155, 98, 0.1);
  color: #169b62;
  border: 1px solid rgba(22, 155, 98, 0.3);
}

.form-status-error {
  background-color: rgba(220, 38, 38, 0.1);
  color: #dc2626;
  border: 1px solid rgba(220, 38, 38, 0.3);
}

[data-theme="dark"] .form-status-success {
  color: #6ee7b7;
  background-color: rgba(22, 155, 98, 0.15);
  border-color: rgba(22, 155, 98, 0.3);
}

[data-theme="dark"] .form-status-error {
  color: #fca5a5;
  background-color: rgba(220, 38, 38, 0.15);
  border-color: rgba(220, 38, 38, 0.3);
}