/* ==========================================================================
   1. Theme Tokens
   ========================================================================== */

:root {
  --portfolio-bg: #f5f7fa;
  --portfolio-primary: #6b5b7f;
  --portfolio-title: #574b68;
  --portfolio-subtitle: #7d6b8c;
  --portfolio-text: #4a5568;
  --portfolio-text-light: #718096;
  --portfolio-border: #e1dce8;
  --portfolio-light-bg: #e9e0f0;
  --portfolio-white: #ffffff;
}

/* ==========================================================================
   2. Global Resets & Typography
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

button {
  font-family: inherit;
}

/* ==========================================================================
   3. Global Layout
   ========================================================================== */

main {
  padding: 7.5rem 5vw 4rem;
}

.section {
  max-width: 1120px;
  margin: 5rem auto;
}

.section:last-of-type {
  margin-bottom: 0;
}

/* 内容模块底部分隔线（不作用于 Hero 模块） */
.section:not(.section-hero) {
  position: relative;
}

.section:not(.section-hero)::after {
  content: "";
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--portfolio-border);
  margin: 3rem auto 0;
}

.section:last-of-type::after {
  display: none;
}

/* Hero 模块与后续内容之间的分隔线 */
.section-hero::after {
  content: "";
  display: block;
  width: 100%;
  height: 1px;
  background-color: var(--portfolio-border);
  margin: 3rem auto 0;
}

.page-main {
  padding-top: 6.5rem;
  padding-left: 5vw;
  padding-right: 5vw;
}

.page-header-center {
  text-align: center;
  margin-bottom: 3rem;
}

.page-header-center h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--portfolio-title);
  font-weight: 700;
}

.page-header-center p {
  margin: 0;
  font-size: 1.05rem;
  color: var(--portfolio-text);
}

.section-block {
  margin-bottom: 3.5rem;
}

.divider {
  width: 100%;
  height: 1px;
  background-color: var(--portfolio-border);
  margin: 1rem 0 2rem;
}

.section-divider {
  display: none;
}

.subsection {
  margin-bottom: 2.5rem;
}

.subsection-title {
  margin: 0 0 1.5rem;
  font-size: 1.1rem;
  color: var(--portfolio-primary);
  font-weight: 700;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

/* ==========================================================================
   4. Social Bar & Navbar
   ========================================================================== */

.social-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 0.5rem 5vw;
  background-color: var(--portfolio-bg);
  border-bottom: 1px solid var(--portfolio-border);
  z-index: 20;
}

.social-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid var(--portfolio-border);
  font-size: 0.875rem;
  color: var(--portfolio-subtitle);
  transition: color 0.3s ease-in-out;
}

.social-link:hover .social-icon {
  color: var(--portfolio-primary);
  border-color: var(--portfolio-primary);
}

.navbar {
  position: fixed;
  top: 2.6rem;
  left: 0;
  right: 0;
  padding: 0.75rem 5vw;
  background: var(--portfolio-bg);
  background-color: var(--portfolio-bg);
  z-index: 10;
}

.navbar-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 700;
  color: var(--portfolio-title);
}

/* 统一导航条中文字与按钮的垂直对齐 */
.brand,
.nav-link,
.btn-outline-primary {
  line-height: 40px;
}

.navbar-center {
  display: flex;
  gap: 1.5rem;
}

.nav-link {
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--portfolio-text);
  transition: color 0.3s ease-in-out;
}

.nav-link:hover,
.nav-link.active {
  color: var(--portfolio-primary);
}

.navbar-right .btn-outline-primary {
  font-size: 0.9rem;
}

/* ==========================================================================
   5. Buttons
   ========================================================================== */

.btn {
  border-radius: 999px;
  border: none;
  padding: 0.6rem 1.6rem;
  cursor: pointer;
  font-size: 0.96rem;
  transition:
    background-color 0.3s ease-in-out,
    color 0.3s ease-in-out,
    transform 0.3s ease-in-out;
}

.btn-primary {
  background-color: var(--portfolio-primary); /* 配色调整：主按钮背景为核心紫色 #6B5B7F */
  color: var(--portfolio-white); /* 配色调整：主按钮文字为白色，增强对比 */
}

.btn-primary:hover {
  background-color: var(--portfolio-primary); /* 配色调整：hover 态统一为核心紫色 #6B5B7F */
  transform: translateY(-2px);
}

.btn-ghost {
  background-color: transparent;
  border: 1px solid var(--portfolio-primary); /* 配色调整：次按钮描边为核心紫色 */
  color: var(--portfolio-primary);
}

.btn-ghost:hover {
  background-color: var(--portfolio-light-bg);
}

.btn-outline-primary {
  background-color: var(--portfolio-light-bg); /* 配色调整：次按钮底色为浅紫 #E9E0F0 */
  color: var(--portfolio-primary); /* 配色调整：文字为核心紫色 #6B5B7F */
  padding-top: 0;
  padding-bottom: 0;
}

.btn-outline-primary:hover {
  background-color: var(--portfolio-primary); /* 配色调整：hover 态统一为核心紫色 */
  color: var(--portfolio-white);
}

/* 配色调整：Hero 核心按钮添加浅紫描边 */
.hero-actions .btn-primary {
  border: 1px solid var(--portfolio-border);
}

/* ==========================================================================
   6. Section Headers
   ========================================================================== */

.section-header {
  display: block;
  margin-bottom: 0;
}

.section-header h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.8rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--portfolio-title);
  line-height: 1.2;
}

.section-subtitle {
  margin: 0 0 1rem;
  font-size: 1rem;
  color: var(--portfolio-text-light);
  line-height: 1.5;
}

.section-header::after {
  display: none;
}

/* ==========================================================================
   7. Hero (Home)
   ========================================================================== */

.hero {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 3rem;
  align-items: center;
  min-height: calc(100vh - 7rem);
}

.section-hero {
  margin-top: 0.5rem;
  margin-bottom: 4rem;
}

.hero-tag {
  display: inline-block;
  border-radius: 999px;
  border: 1px solid var(--portfolio-border);
  padding: 0.3rem 0.9rem;
  font-size: 0.78rem;
  color: var(--portfolio-text-light);
  background-color: var(--portfolio-white);
  margin-bottom: 1.2rem;
}

.hero-title {
  margin: 0 0 0.3rem;
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--portfolio-title);
}

.hero-role {
  margin: 0 0 1.1rem;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--portfolio-primary);
}

.cursor {
  color: var(--portfolio-primary);
  animation: blink-cursor 0.8s steps(2, start) infinite;
}

.hero-subtitle {
  margin: 0 0 1.8rem;
  font-size: 0.97rem;
  line-height: 1.8;
}

.highlight {
  color: var(--portfolio-primary);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Hero 区域按钮改为轻圆角方形，不影响全局按钮样式 */
.hero-actions .btn {
  border-radius: 6px;
}

.hero-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  width: 100%;
}

.avatar {
  width: 230px;
  height: 230px;
  border-radius: 50%;
  background-color: var(--portfolio-light-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.avatar-circle {
  width: 230px;
  height: 230px;
  border-radius: 50%;
  border: 3px solid var(--portfolio-primary);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  width: 100%;
  max-width: 230px;
  justify-content: center;
}

.tag,
.tag-soft {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.85rem;
  cursor: default;
  transition:
    background-color 0.3s ease-in-out,
    color 0.3s ease-in-out,
    transform 0.3s ease-in-out;
}

.tag {
  background-color: var(--portfolio-light-bg);
  color: var(--portfolio-primary);
  border: none;
}

.tag:hover {
  background-color: var(--portfolio-primary);
  color: var(--portfolio-white);
  transform: translateY(-2px);
}

.tag-soft {
  background-color: var(--portfolio-light-bg);
  color: var(--portfolio-primary);
}

@keyframes blink-cursor {
  0%,
  50% {
    opacity: 1;
  }
  50.01%,
  100% {
    opacity: 0;
  }
}

/* ==========================================================================
   8. Cards & Lists (shared)
   ========================================================================== */

.card {
  background-color: var(--portfolio-white);
  border-radius: 8px;
  border: 1px solid var(--portfolio-border);
  padding: 1.75rem 2rem;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease,
    background-color 0.3s ease-in-out;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(107, 91, 127, 0.08);
  background-color: var(--portfolio-bg);
}

.card-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  margin-bottom: 0.5rem;
}

.card-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--portfolio-title);
}

.card-meta {
  font-size: 0.9rem;
  color: var(--portfolio-text-light);
  white-space: nowrap;
}

.card-body {
  font-size: 0.95rem;
}

.card-subtitle {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--portfolio-text);
}

.card-label {
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  color: var(--portfolio-text);
  font-weight: 600;
}

.card-text {
  margin: 0 0 1.25rem;
  font-size: 0.95rem;
  color: var(--portfolio-text);
}

.card-highlight {
  margin: 0.25rem 0 0;
  font-weight: 600;
  color: var(--portfolio-title);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
}

.bullet-list {
  padding-left: 1.1rem;
  margin: 0.25rem 0 0.5rem;
}

.bullet-list li {
  margin-bottom: 0.25rem;
}

/* ==========================================================================
   9. Timelines
   ========================================================================== */

.timeline {
  position: relative;
  margin-top: 1.5rem;
  padding-left: 30px;
}

.timeline-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 5px;
  width: 1px;
  background-color: var(--portfolio-border);
}

.timeline-item {
  position: relative;
  margin-left: 0;
  margin-bottom: 1.5rem;
}

.timeline-dot {
  position: absolute;
  left: -25px;
  top: 1.1rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--portfolio-primary);
}

/* ==========================================================================
   10. Projects
   ========================================================================== */

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.project-card {
  height: 100%;
}

.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-filter-btn {
  border: none;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.85rem;
  cursor: pointer;
  background-color: var(--portfolio-light-bg);
  color: var(--portfolio-primary);
  transition:
    background-color 0.2s ease,
    color 0.2s ease;
}

.project-filter-btn.active {
  background-color: var(--portfolio-primary);
  color: var(--portfolio-white);
}

.project-list {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.project-header-wrapper {
  margin-bottom: 3rem;
  width: 100%;
}

.project-header-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  width: 100%;
  margin-bottom: 1rem;
}

.project-header-left {
  flex-shrink: 0;
}

.project-header-top-row .section-header {
  margin-bottom: 0;
}

.project-header-right {
  flex-shrink: 0;
  display: flex;
  justify-content: flex-end;
}

.project-header-subtitle {
  width: 100%;
  margin: 0;
}

.project-full .card-label {
  margin-top: 0.25rem;
}

.project-title-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.link-primary {
  font-size: 0.9rem;
  color: var(--portfolio-primary);
  margin-left: auto;
}

.link-primary:hover {
  text-decoration: underline;
}

/* ==========================================================================
   11. Skills & Certifications
   ========================================================================== */

.skill-card {
  background-color: var(--portfolio-light-bg);
  border-radius: 12px;
  padding: 2rem 1.75rem;
  height: 100%;
}

.skill-card-icon {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.skill-card-title {
  margin: 0 0 1rem 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--portfolio-title);
}

.skill-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-tag {
  display: inline-block;
  background-color: var(--portfolio-white);
  color: var(--portfolio-text);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-size: 0.875rem;
}

.skill-tag:hover {
  background-color: var(--portfolio-title);
  color: var(--portfolio-white);
  transition:
    background-color 0.2s ease-in-out,
    color 0.2s ease-in-out;
}

.cert-title {
  margin: 0 0 1.5rem 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--portfolio-title);
}

.cert-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cert-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.cert-label {
  font-weight: 700;
  color: var(--portfolio-title);
  min-width: 90px;
  flex-shrink: 0;
  font-size: 0.95rem;
}

.cert-value {
  color: var(--portfolio-text);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================================================
   12. Resume Sections & Navigation
   ========================================================================== */

/* 配色调整：简历库头部整体居中布局 */
.resume-library-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.resume-library-title-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}

.resume-library-title-wrapper h1 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--portfolio-title); /* 使用标题主色 */
}

.title-icon {
  font-size: 1.4rem;
}

.resume-library-subtitle {
  margin: 0 0 1.5rem;
  font-size: 1rem;
  color: var(--portfolio-text); /* 使用正文颜色 */
}

/* 导航整体行：左右箭头 + 中间滚动区域 */
.resume-nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
}

/* 左右箭头按钮 */
.resume-nav-arrow {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--portfolio-border); /* 配色调整：浅紫描边 */
  background-color: var(--portfolio-white);
  color: var(--portfolio-primary); /* 箭头为主色 */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  font-size: 0.9rem;
  transition:
    background-color 0.3s ease-in-out,
    color 0.3s ease-in-out,
    opacity 0.3s ease-in-out;
}

.resume-nav-arrow:hover:not(.disabled) {
  background-color: var(--portfolio-light-bg); /* hover 浅紫底 */
}

.resume-nav-arrow.disabled {
  opacity: 0.4;
  cursor: default;
}

/* 标签滚动容器 */
.resume-nav-scroll {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  scrollbar-width: none; /* Firefox 隐藏滚动条 */
}

.resume-nav-scroll::-webkit-scrollbar {
  display: none; /* WebKit 隐藏滚动条 */
}

/* 标签按钮：未激活态为白底 + 主色描边，激活态为主色底 + 白字 */
.resume-nav-btn {
  border-radius: 999px;
  border: 1px solid var(--portfolio-primary); /* 配色调整：使用主色描边 */
  background-color: var(--portfolio-white);
  color: var(--portfolio-primary);
  padding: 0.4rem 1.2rem;
  font-size: 0.9rem;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background-color 0.3s ease-in-out,
    color 0.3s ease-in-out,
    border-color 0.3s ease-in-out;
}

.resume-nav-btn:hover {
  background-color: var(--portfolio-primary); /* hover 使用主色 */
  color: var(--portfolio-white);
}

.resume-nav-btn.active {
  background-color: var(--portfolio-primary);
  color: var(--portfolio-white);
  border-color: var(--portfolio-primary);
}

/* 旧的 .resume-tabs/.resume-tab/.resume-block 样式不再使用，但保留为兼容可选 tab UI
   （如后续首页或其他页面使用），故不删除，仅上移到此模块上方。 */

.resume-sections {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.resume-section {
  display: none;
}

.resume-section.visible {
  display: block;
}

.resume-card {
  background-color: var(--portfolio-white);
  border-radius: 6px;
  border: 1px solid var(--portfolio-border);
  padding: 2rem 2.5rem;
}

.resume-personal {
  text-align: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--portfolio-border);
  margin-bottom: 1.5rem;
}

.resume-personal h3 {
  margin: 0 0 0.4rem;
  font-size: 1.4rem;
  color: var(--portfolio-title);
}

.resume-personal p {
  margin: 0 0 0.6rem;
  font-size: 0.95rem;
  color: var(--portfolio-subtitle);
}

.resume-contact-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.2rem;
  font-size: 0.9rem;
  color: var(--portfolio-text-light);
}

.resume-block-section {
  margin-bottom: 1.75rem;
}

.resume-block-section h4 {
  margin: 0 0 0.9rem;
  font-size: 1rem;
  color: var(--portfolio-title);
  font-weight: 700;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid var(--portfolio-primary);
}

.resume-edu-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.resume-edu-head {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.resume-edu-school {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--portfolio-primary);
}

.resume-edu-time {
  margin: 0;
  font-size: 0.85rem;
  color: var(--portfolio-text-light);
}

.resume-edu-degree {
  margin: 0.25rem 0 0.2rem;
  font-size: 0.9rem;
  color: var(--portfolio-text);
}

.resume-edu-extra {
  margin: 0;
  font-size: 0.85rem;
  color: var(--portfolio-text-light);
}

.resume-exp-item {
  margin-bottom: 0.9rem;
}

.resume-exp-head {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.resume-exp-company {
  margin: 0;
  font-size: 0.95rem;
  color: var(--portfolio-primary);
  font-weight: 700;
}

.resume-exp-role {
  margin: 0.1rem 0 0;
  font-size: 0.9rem;
  color: var(--portfolio-subtitle);
}

.resume-exp-time {
  margin: 0;
  font-size: 0.85rem;
  color: var(--portfolio-text-light);
}

.resume-exp-list {
  margin: 0.25rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.9rem;
  color: var(--portfolio-text);
}

.resume-project-item {
  margin-bottom: 0.75rem;
}

.resume-project-title {
  margin: 0 0 0.15rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--portfolio-primary);
}

.resume-project-text {
  margin: 0;
  font-size: 0.9rem;
  color: var(--portfolio-text);
}

.resume-skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.resume-skill-tags span {
  background-color: var(--portfolio-light-bg);
  color: var(--portfolio-primary);
  border-radius: 999px;
  padding: 0.25rem 0.8rem;
  font-size: 0.85rem;
  font-weight: 500;
}

.resume-bottom-contact {
  margin-top: 2.5rem;
  padding: 1.6rem 2rem;
  background-color: var(--portfolio-white);
  border-radius: 6px;
  border: 1px solid var(--portfolio-border);
  text-align: center;
}

.resume-bottom-contact h3 {
  margin: 0 0 0.8rem;
  font-size: 1rem;
  color: var(--portfolio-title);
}

.resume-contact-label {
  margin: 0 0 0.1rem;
  font-size: 0.8rem;
  color: var(--portfolio-subtitle);
}

.resume-contact-value {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--portfolio-text);
}

.resume-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-bottom: 0.75rem;
}

.resume-header h3 {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--portfolio-primary);
}

.resume-tags {
  margin: 0.15rem 0 0;
  font-size: 0.85rem;
  color: var(--portfolio-text-light);
}

.resume-body {
  font-size: 0.9rem;
}

.section-footer-contact {
  margin-top: 1rem;
}

/* ==========================================================================
   13. Contact
   ========================================================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr;
  gap: 1.5rem;
  align-items: flex-start;
}

.contact-page-grid {
  grid-template-columns: 1fr 1.5fr;
}

.contact-info h3 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--portfolio-primary);
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.9rem;
}

.contact-list li {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.3rem 0;
}

.contact-list .label {
  font-weight: 500;
  color: var(--portfolio-primary);
}

.contact-list .value {
  color: var(--portfolio-text);
}

.contact-form {
  background-color: var(--portfolio-white);
  border-radius: 6px;
  border: 1px solid var(--portfolio-border);
  padding: 1.25rem 1.5rem;
}

.contact-form-page {
  padding: 2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.form-group {
  margin-bottom: 0.85rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
  color: var(--portfolio-text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  border-radius: 4px;
  border: 1px solid transparent;
  padding: 0.45rem 0.6rem;
  background-color: var(--portfolio-light-bg);
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--portfolio-text);
  outline: none;
  transition:
    border-color 0.3s ease-in-out,
    background-color 0.3s ease-in-out;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--portfolio-primary);
  background-color: var(--portfolio-white);
}

.contact-note {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--portfolio-text-light);
}

.contact-info-item {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.contact-icon {
  background-color: var(--portfolio-light-bg);
  border-radius: 8px;
  padding: 0.4rem 0.5rem;
  font-size: 0.9rem;
}

.contact-info-label {
  margin: 0 0 0.1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--portfolio-primary);
}

.contact-info-value {
  margin: 0;
  font-size: 0.9rem;
  color: var(--portfolio-text);
}

.contact-success {
  margin-bottom: 1rem;
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  border: 1px solid var(--portfolio-primary);
  background-color: var(--portfolio-light-bg);
  font-size: 0.9rem;
  color: var(--portfolio-primary);
}

/* ==========================================================================
   14. Footer
   ========================================================================== */

.footer {
  text-align: center;
  padding: 1.5rem 0 2rem;
  font-size: 0.85rem;
  color: var(--portfolio-text-light);
  background: transparent;
  border-top: 1px solid var(--portfolio-border);
}

/* ==========================================================================
   15. Responsive Breakpoints
   ========================================================================== */

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .navbar {
    top: 1.1rem;
    flex-direction: column;
    gap: 0.5rem;
  }

  .navbar-center {
    flex-wrap: wrap;
    justify-content: center;
  }

  main {
    padding-top: 7.5rem;
  }

  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-header-top-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .project-header-right {
    justify-content: flex-start;
  }

  .project-header-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .project-header-right {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .navbar {
    top: 0.6rem;
  }

  .navbar-center {
    gap: 0.75rem;
  }

  main {
    padding-top: 7rem;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .project-grid {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .timeline-line {
    left: 4px;
  }

  .timeline-dot {
    left: -21px;
    top: 1.2rem;
  }

  .timeline {
    padding-left: 25px;
  }

  .cert-item {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}