/* GENERAL */

@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600&display=swap");

/* CSS Variables for theming */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #fafafa;
  --text-primary: #000000;
  --text-secondary: rgb(85, 85, 85);
  --text-muted: rgb(163, 163, 163);
  --border-color: rgb(163, 163, 163);
  --border-dark: rgb(53, 53, 53);
  --accent-color: #6366f1;
  --accent-hover: #4f46e5;
  --accent-light: rgba(99, 102, 241, 0.1);
  --gradient-start: #6366f1;
  --gradient-end: #8b5cf6;
  --card-bg: #ffffff;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --nav-bg: rgba(255, 255, 255, 0.95);
  --transition-speed: 300ms;
}

/* Dark mode variables */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --border-color: #334155;
  --border-dark: #475569;
  --accent-color: #818cf8;
  --accent-hover: #a5b4fc;
  --accent-light: rgba(129, 140, 248, 0.15);
  --card-bg: #1e293b;
  --shadow-color: rgba(0, 0, 0, 0.3);
  --nav-bg: rgba(15, 23, 42, 0.95);
}

* {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Poppins", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

html {
  scroll-behavior: smooth;
}

p {
  color: var(--text-secondary);
}

/* TRANSITION */

a,
.btn {
  transition: all 300ms ease;
}

/* DESKTOP NAV */

nav,
.nav-links {
  display: flex;
}

nav {
  justify-content: space-around;
  align-items: center;
  height: 17vh;
  background-color: var(--nav-bg);
  backdrop-filter: blur(10px);
}

.nav-links {
  gap: 2rem;
  list-style: none;
  font-size: 1.5rem;
}

a {
  color: var(--text-primary);
  text-decoration: none;
  text-decoration-color: var(--bg-primary);
}

a:hover {
  color: var(--accent-color);
  text-decoration: underline;
  text-underline-offset: 1rem;
  text-decoration-color: var(--accent-color);
}

.logo {
  font-size: 2rem;
  color: var(--text-primary);
}

/* Dark Mode Toggle */
.theme-toggle {
  background: none;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all var(--transition-speed) ease;
  color: var(--text-primary);
}

.theme-toggle:hover {
  border-color: var(--accent-color);
  background-color: var(--accent-light);
  transform: rotate(15deg);
}

.theme-toggle .sun-icon {
  display: none;
}

.theme-toggle .moon-icon {
  display: block;
}

[data-theme="dark"] .theme-toggle .sun-icon {
  display: block;
}

[data-theme="dark"] .theme-toggle .moon-icon {
  display: none;
}

.logo:hover {
  cursor: default;
}

/* HAMBURGER MENU */

#hamburger-nav {
  display: none;
}

.hamburger-menu {
  position: relative;
  display: inline-block;
}

.hamburger-icon {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 24px;
  width: 30px;
  cursor: pointer;
}

.hamburger-icon span {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: all 0.3s ease-in-out;
}

.menu-links {
  position: absolute;
  top: 100%;
  right: 0;
  background-color: var(--card-bg);
  width: fit-content;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
  z-index: 1000;
  border-radius: 1rem;
  box-shadow: 0 4px 20px var(--shadow-color);
}

.menu-links a {
  display: block;
  padding: 10px;
  text-align: center;
  font-size: 1.5rem;
  color: var(--text-primary);
  text-decoration: none;
  transition: all 0.3s ease-in-out;
}

.menu-links li {
  list-style: none;
}

.menu-links.open {
  max-height: 300px;
}

.hamburger-icon.open span:first-child {
  transform: rotate(45deg) translate(10px, 5px);
}

.hamburger-icon.open span:nth-child(2) {
  opacity: 0;
}

.hamburger-icon.open span:last-child {
  transform: rotate(-45deg) translate(10px, -5px);
}

.hamburger-icon span:first-child {
  transform: none;
}

.hamburger-icon span:first-child {
  opacity: 1;
}

.hamburger-icon span:first-child {
  transform: none;
}

/* SECTIONS */

section {
  padding-top: 4vh;
  height: 96vh;
  margin: 0 10rem;
  box-sizing: border-box;
  min-height: fit-content;
}

.section-container {
  display: flex;
}

/* PROFILE SECTION */

#profile {
  display: flex;
  justify-content: center;
  gap: 5rem;
  height: 80vh;
  position: relative;
  border: none;
  outline: none;
  box-shadow: none;
}

.section__pic-container {
  display: flex;
  height: 400px;
  width: 400px;
  margin: auto 0;
}

.section__text {
  align-self: center;
  text-align: center;
}

.section__text p {
  font-weight: 600;
}

.section__text__p1 {
  text-align: center;
}

.section__text__p2 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.title {
  font-size: 3rem;
  text-align: center;
  color: var(--text-primary);
}

/* Gradient text for main title */
#profile .title {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Typing animation for subtitle */
.typing-text {
  display: inline-block;
  overflow: hidden;
  border-right: 3px solid var(--accent-color);
  white-space: nowrap;
  animation: typing 3s steps(20, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink-caret {
  from, to { border-color: transparent; }
  50% { border-color: var(--accent-color); }
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.scroll-indicator:hover {
  opacity: 1;
}

.scroll-indicator span {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.scroll-indicator i {
  font-size: 1.5rem;
  color: var(--accent-color);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

#socials-container {
  display: flex;
  justify-content: center;
  margin-top: 1rem;
  gap: 1rem;
}

/* ICONS */

.icon {
  cursor: pointer;
  height: 2rem;
  transition: all 0.5s ease;
}

/* .icon:hover {
  transform: rotate(360deg) scale(1.2);
  cursor: pointer;
} */

.icon-arrow {
  cursor: pointer;
  height: 2rem;
  font-size: 1.5rem;
  color: var(--accent-color);
  transition: all 0.3s ease;
}

.icon-arrow:hover {
  transform: translateY(-0.5rem);
  color: var(--accent-hover);
}

/* Section navigation arrows */
.arrow {
  font-size: 2rem;
  height: auto;
}

/* Skill Bars */
.skill-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-secondary);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 0.5rem;
}

.skill-progress {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  border-radius: 4px;
  transition: width 0.6s ease-out;
}

/* Animate skill bar on article hover */
article:hover .skill-progress {
  width: var(--progress);
}

/* BUTTONS */

.btn-container {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.btn {
  font-weight: 600;
  transition: all 300ms ease;
  padding: 1rem;
  width: 8rem;
  border-radius: 2rem;
  position: relative;
  overflow: hidden;
}

.btn-color-1,
.btn-color-2 {
  border: var(--border-dark) 0.1rem solid;
}

.btn-color-1:hover,
.btn-color-2:hover {
  cursor: pointer;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px var(--shadow-color);
}

/* Primary button - gradient accent */
.btn-color-1 {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: white;
  border: none;
}

.btn-color-1:hover {
  background: linear-gradient(135deg, var(--accent-hover), var(--gradient-start));
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

/* Secondary button - outline style */
.btn-color-2 {
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-color-2:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  background: var(--accent-light);
}

.btn-container {
  gap: 1rem;
}

/* ABOUT SECTION */

#about {
  position: relative;
}

.about-containers {
  gap: 2rem;
  margin-bottom: 2rem;
  margin-top: 2rem;
}

.about-details-container {
  justify-content: center;
  flex-direction: column;
}

.about-containers,
.about-details-container {
  display: flex;
}

.about-pic {
  border-radius: 2rem;
}

.arrow {
  position: absolute;
  right: -5rem;
  bottom: 2.5rem;
}

.details-container {
  padding: 1.5rem;
  flex: 1;
  background: var(--card-bg);
  border-radius: 2rem;
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all 0.3s ease;
}

.details-container:hover {
  border-color: var(--accent-color);
  box-shadow: 0 4px 20px var(--shadow-color);
}

.section-container {
  gap: 4rem;
}

.section__pic-container {
  display: flex;
  height: 400px;
  width: 400px;
  margin: auto 0;
}

/* EXPERIENCE SECTION */

#experience {
  position: relative;
}

.experience-sub-title {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 1.75rem;
  margin-bottom: 2rem;
}

.experience-details-container {
  display: flex;
  justify-content: center;
  flex-direction: column;
}

.article-container {
  display: flex;
  text-align: initial;
  flex-wrap: wrap;
  flex-direction: row;
  gap: 2.5rem;
  justify-content: space-around;
}

article {
  display: flex;
  width: 10rem;
  justify-content: space-around;
  gap: 0.5rem;
}

article .icon {
  cursor: default;
}

/* PROJECTS SECTION */

#projects {
  position: relative;
}

.color-container {
  border-color: var(--border-color);
  background: var(--bg-secondary);
}

.project-img {
  border-radius: 2rem;
  width: 90%;
  height: 90%;
}

.project-title {
  margin: 1rem;
  color: var(--text-primary);
}

.project-btn {
  color: var(--text-primary);
  border-color: var(--border-color);
}

/* CONTACT */

#contact {
  display: flex;
  justify-content: center;
  flex-direction: column;
  height: 70vh;
}

.contact-info-upper-container {
  display: flex;
  justify-content: center;
  border-radius: 2rem;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  margin: 2rem auto;
  padding: 0.5rem;
  transition: all 0.3s ease;
}

.contact-info-upper-container:hover {
  border-color: var(--accent-color);
  box-shadow: 0 4px 20px var(--shadow-color);
}

.contact-info-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 1rem;
}

.contact-info-container p {
  font-size: larger;
}

.contact-icon {
  cursor: default;
}

.email-icon {
  height: 2.5rem;
}

/* FOOTER SECTION */

footer {
  height: 26vh;
  margin: 0 1rem;
}

footer p {
  text-align: center;
}

/* TIMELINE */

#timeline {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.timeline {
  max-width: 800px;
  margin: 0 auto;
  padding: 25px;
  font-family: Arial, sans-serif;
}

.timeline-container {
  position: relative;
  padding: 10px 40px;
}

/* The vertical line */
/* .timeline-container::after {
  content: '';
  position: absolute;
  width: 2px;
  background-color: black;
  top: 0;
  bottom: 0;
  left: 52%;
  margin-left: -1px;
} */

.timeline-item {
  padding: 10px 40px;
  position: relative;
  width: 50%;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease-out;
}

/* Left side items */
.timeline-item:nth-child(odd) {
  left: 0;
}

/* Right side items */
.timeline-item:nth-child(even) {
  left: 50%;
}

.timeline-content {
  padding: 20px;
  background-color: var(--card-bg);
  border-radius: 8px;
  box-shadow: 0 2px 5px var(--shadow-color);
  position: relative;
  transition: all 0.3s ease;
  align-items: center;
  border: 1px solid var(--border-color);
}

.timeline-content:hover {
  transform: scale(1.02);
  border-color: var(--accent-color);
  box-shadow: 0 4px 20px var(--shadow-color);
}

.timeline-content:hover::after {
  background-color: var(--accent-color);
}

/* Content styling */
.timeline-date {
  color: var(--accent-color);
  font-size: 0.875rem;
  margin-bottom: 8px;
  font-weight: 600;
}

.timeline-title {
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: bold;
  margin-bottom: 10px;
}

.timeline-description {
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Timeline Icons */
.timeline-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.timeline-icon i {
  font-size: 1.75rem;
  color: white;
}

.timeline-logo {
  width: 50px;
  height: 50px;
  object-fit: contain;
  border-radius: 8px;
}

.timeline-logo-svg {
  width: 55px;
  height: 30px;
}

/* UW branded icon */
.uw-icon {
  background: linear-gradient(135deg, #4b2e83, #85754d);
  box-shadow: 0 4px 15px rgba(75, 46, 131, 0.3);
}

.uw-icon .timeline-logo {
  background: white;
  padding: 5px;
  border-radius: 8px;
}

/* Amazon branded icon */
.amazon-icon {
  background: linear-gradient(135deg, #FF9900, #FFB84D);
  box-shadow: 0 4px 15px rgba(255, 153, 0, 0.3);
}

.amazon-icon span {
  font-size: 1.3rem;
  font-weight: bold;
  color: #000;
}

/* DoorDash branded icon */
.doordash-icon {
  background: linear-gradient(135deg, #FF3008, #FF5733);
  box-shadow: 0 4px 15px rgba(255, 48, 8, 0.3);
}

.doordash-icon span {
  font-size: 1.5rem;
  font-weight: bold;
  color: white;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
  .timeline-container::after {
      left: 31px;
  }

  .timeline-item {
      width: 100%;
      padding-left: 70px;
      padding-right: 25px;
  }

  .timeline-item:nth-child(even) {
      left: 0;
  }

  .timeline-item:nth-child(odd) .timeline-content::after,
  .timeline-item:nth-child(even) .timeline-content::after {
      left: -37px;
  }
}

.fade-animate {
  opacity: 0;
  transform: translateY(20px);
  will-change: opacity, transform;
}

/* Optional: Different animation directions */
.fade-animate.fade-left {
  transform: translateX(-20px);
}

.fade-animate.fade-right {
  transform: translateX(20px);
}

/* Optional: Different animation speeds */
.fade-animate.fade-slow {
  transition: all 1s ease-out !important;
}

.fade-animate.fade-fast {
  transition: all 0.3s ease-out !important;
}