/* =========================
   Root Variables & Fonts
============================ */
:root {
  --bg-light: #ffffff;
  --bg-dark: #12161b;
  --color-light: #222222;
  --color-dark: #f0f0f3;
  --accent: #bfa64a;
  --accent-hover: #d9c475;
  --shadow-light: rgba(191, 166, 74, 0.15);
  --shadow-dark: rgba(191, 166, 74, 0.5);
  --border-light: #d7c95e;
  --border-dark: #6a5d1e;
  --font-primary: 'Inter', sans-serif;
  --font-display: 'Unbounded', cursive;
}

/* ===================
   Base Reset & Styles
===================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-primary);
  background-color: var(--bg-light);
  color: var(--color-light);
  line-height: 1.5;
  font-size: 16px;
  transition: background-color 0.5s ease, color 0.5s ease;
  overflow-x: hidden;
}

body.dark {
  background-color: var(--bg-dark);
  color: var(--color-dark);
}
/* Intro Overlay */
#intro-overlay {
  position: fixed;
  inset: 0;
  background-color: #000; /* start black */
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  user-select: none;
  overflow: hidden;
  opacity: 1;
  transition: background-color 1.2s ease;
}

/* Name styling and animation */
.intro-name {
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 4rem;
  letter-spacing: 0.15em;
  opacity: 0;
  filter: blur(10px);
  transform: scale(0.7);
  text-shadow:
    0 0 20px var(--accent),
    0 0 40px var(--accent);
  animation: nameFadeIn 2.5s forwards;
}

/* Animation for name: fade in, scale up, sharpen */
@keyframes nameFadeIn {
  0% {
    opacity: 0;
    filter: blur(10px);
    transform: scale(0.7);
  }
  50% {
    opacity: 1;
    filter: blur(3px);
    transform: scale(1.1);
  }
  100% {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
  }
}

/* Fade out overlay after animation */
#intro-overlay.fade-out {
  animation: fadeOutOverlay 1s ease forwards;
}

@keyframes fadeOutOverlay {
  to {
    opacity: 0;
    visibility: hidden;
  }
}
/* ===================
   Header Styles
===================== */
header {
  position: sticky;
  top: 0;
  background-color: transparent;
  padding: 1.25rem 2rem;
  box-shadow: 0 2px 15px var(--shadow-light);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 2px solid var(--border-light);
  z-index: 1000;
  transition: background-color 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
}

body.dark header {
  box-shadow: 0 2px 15px var(--shadow-dark);
  border-color: var(--border-dark);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo and Profile Icon */
.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--accent);
  user-select: none;
  letter-spacing: 2px;
  text-decoration: none;
  cursor: default;
}

.profile-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  object-fit: cover;
  cursor: pointer;
  transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
  animation: pulseBorder 2.5s infinite;
}

.profile-icon:hover,
.profile-icon:focus {
  outline: none;
  transform: scale(1.1);
  box-shadow: 0 0 15px var(--accent);
  border-color: var(--accent-hover);
}

@keyframes pulseBorder {
  0%, 100% {
    box-shadow: 0 0 10px var(--accent);
  }
  50% {
    box-shadow: 0 0 20px var(--accent-hover);
  }
}

/* ====================
   Navigation Menu
====================== */
.nav-menu {
  display: flex;
  gap: 2rem;
  font-weight: 600;
  font-size: 1rem;
}

.nav-menu a {
  color: var(--color-light);
  text-decoration: none;
  position: relative;
  padding: 0.4rem 0;
  transition: color 0.3s ease;
}

body.dark .nav-menu a {
  color: var(--color-dark);
}

.nav-menu a:hover,
.nav-menu a:focus {
  color: var(--accent);
  outline: none;
}

/* Active nav link in light mode */
.nav-menu a.active {
  color: var(--accent);
}

/* Active nav link in dark mode */
body.dark .nav-menu a.active {
  color: var(--accent);
}

/* Hamburger Menu (mobile) */
#hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-left: 1rem;
  z-index: 1100;
}

#hamburger .hamburger-line {
  width: 28px;
  height: 3.5px;
  background-color: var(--accent);
  border-radius: 3px;
  transition: all 0.4s ease;
}

@media (max-width: 768px) {
  #hamburger {
    display: flex;
  }
  .nav-menu {
    display: none;
    flex-direction: column;
    gap: 1.3rem;
    position: fixed;
    top: 70px;
    right: 20px;
    background-color: var(--bg-light);
    border-radius: 14px;
    padding: 2rem;
    box-shadow: 0 6px 25px var(--shadow-light);
    width: 80vw;
    max-width: 320px;
    z-index: 1050;
    transition: background-color 0.5s ease, box-shadow 0.5s ease;
  }
  body.dark .nav-menu {
    background-color: var(--bg-dark);
    box-shadow: 0 6px 25px var(--shadow-dark);
  }
  .nav-menu.active {
    display: flex;
  }
}

/* ====================
   Main Content & Sections
====================== */
main {
  max-width: 900px;
  margin: 4rem auto 5rem;
  padding: 0 1rem;
}

.section-center {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
  margin-bottom: 4.5rem;
}

.section-center.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Headings */
h2, .welcome-heading {
  font-family: var(--font-display);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 1rem;
  user-select: none;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}

.subtitle {
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--color-light);
  margin-top: -0.5rem;
  max-width: 600px;
}

body.dark .subtitle {
  color: var(--color-dark);
}

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.skill-card {
  background-color: var(--bg-light);
  border: 2px solid var(--border-light);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  box-shadow: 0 8px 30px var(--shadow-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all 0.35s ease;
}

body.dark .skill-card {
  background-color: var(--bg-dark);
  box-shadow: 0 8px 30px var(--shadow-dark);
  border-color: var(--border-dark);
}

.skill-card:hover {
  box-shadow: 0 14px 50px var(--accent);
  border-color: var(--accent);
  transform: translateY(-8px);
  cursor: default;
}

.skill-icon {
  font-size: 54px;
  color: var(--accent);
  margin-bottom: 1rem;
}

/* Education List */
.education-list {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.education-item {
  background-color: var(--bg-light);
  border: 2px solid var(--border-light);
  padding: 3rem 1.8rem 1.5rem;
  border-radius: 16px;
  box-shadow: 0 8px 30px var(--shadow-light);
  position: relative;
  transition: box-shadow 0.3s ease;
}

body.dark .education-item {
  background-color: var(--bg-dark);
  border-color: var(--border-dark);
  box-shadow: 0 8px 30px var(--shadow-dark);
}

.education-item h3 {
  color: var(--accent);
  font-size: 1.4rem;
  margin: 0 0 0.5rem 0;
}

.education-item p {
  margin: 0;
  font-style: italic;
  color: var(--color-light);
  font-size: 1rem;
}

body.dark .education-item p {
  color: var(--color-dark);
}

.education-date {
  position: absolute;
  top: 1.2rem;
  right: 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: #7a7a7a;
}

/* Referral Section */
#referrals-section {
  display: none;
  opacity: 0;
  transition: opacity 0.6s ease-in-out;
}

#referrals-section.show {
  display: block;
  opacity: 1;
}
#referrals-section {
  max-width: 900px;
}

.referral-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(260px,1fr));
  gap: 2.2rem;
}

.referral-card {
  background-color: var(--bg-light);
  border: 2px solid var(--border-light);
  border-radius: 16px;
  padding: 2rem 1.8rem;
  box-shadow: 0 10px 30px var(--shadow-light);
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

body.dark .referral-card {
  background-color: var(--bg-dark);
  border-color: var(--border-dark);
  box-shadow: 0 10px 30px var(--shadow-dark);
}

.referral-card h3 {
  color: var(--accent);
  margin-bottom: 0.8rem;
  font-size: 1.3rem;
}

.referral-card p {
  flex-grow: 1;
  color: var(--color-light);
  margin-bottom: 1.2rem;
  font-size: 1rem;
}

body.dark .referral-card p {
  color: var(--color-dark);
}

.referral-card a {
  text-decoration: none;
  background-color: var(--accent);
  color: var(--bg-light);
  padding: 0.6rem 1.3rem;
  border-radius: 30px;
  font-weight: 700;
  font-size: 1rem;
  text-align: center;
  transition: background-color 0.3s ease;
}

.referral-card a:hover,
.referral-card a:focus {
  background-color: var(--accent-hover);
  outline: none;
}

/* Contact Section */
.contact-section {
  background-color: var(--bg-light);
  border: 2px solid var(--border-light);
  border-radius: 16px;
  padding: 2.8rem 2rem;
  box-shadow: 0 10px 30px var(--shadow-light);
  text-align: center;
  max-width: 900px;
  margin: auto;
  transition: background-color 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
}

body.dark .contact-section {
  background-color: var(--bg-dark);
  border-color: var(--border-dark);
  box-shadow: 0 10px 30px var(--shadow-dark);
}

.contact-section h2 {
  font-family: var(--font-display);
  font-size: 2.3rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1rem;
}

.contact-section p {
  font-size: 1.15rem;
  color: var(--color-light);
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

body.dark .contact-section p {
  color: var(--color-dark);
}

/* Email Copy Wrapper */
.email-copy-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  background-color: var(--bg-light);
  border: 2px solid var(--border-light);
  padding: 0.7rem 1.4rem;
  border-radius: 30px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  margin: 0 auto;
  max-width: 320px;
  justify-content: center;
}

body.dark .email-copy-wrapper {
  background-color: var(--bg-dark);
  border-color: var(--border-dark);
}

/* Default light mode email color */
.email-link {
  color: black; /* or var(--color-light) */
  transition: color 0.3s ease;
}

/* Dark mode email color */
body.dark .email-link {
  color: white; /* or var(--color-dark) if it’s white */
}
#email-copy-btn {
  background: transparent;
  border: none;
  color: var(--accent);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.3s ease;
}

body.dark #email-copy-btn {
  color: var(--accent-hover);
}

/* Copy Feedback */
.copy-feedback {
  font-weight: 700;
  color: var(--accent);
  margin-top: 0.6rem;
  opacity: 0;
  transition: opacity 0.4s ease;
  user-select: none;
  text-align: center;
}

body.dark .copy-feedback {
  color: var(--accent-hover);
}

/* =====================
   Scroll To Top Button
======================= */
#scrollTopBtn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: var(--accent);
  color: var(--bg-light);
  border: none;
  padding: 0.7rem 1rem;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 5px 18px rgba(191, 166, 74, 0.8);
  display: none;
  z-index: 1500;
  transition: background-color 0.3s ease;
}

#scrollTopBtn:hover,
#scrollTopBtn:focus {
  background-color: var(--accent-hover);
  outline: none;
}

body.dark #scrollTopBtn {
  background-color: var(--accent-hover);
  color: var(--bg-dark);
  box-shadow: 0 5px 18px rgba(191, 166, 74, 0.6);
}

body.dark #scrollTopBtn:hover,
body.dark #scrollTopBtn:focus {
  background-color: var(--accent);
  color: var(--bg-dark);
  outline: none;
}
/* =====================
   Footer Styling
======================= */
footer {
  background-color: var(--bg-light);
  color: #888;
  padding: 1.5rem 2rem;
  text-align: center;
  font-size: 0.85rem;
  border-top: 2px solid var(--border-light);
  transition: background-color 0.5s ease, color 0.5s ease;
}

body.dark footer {
  background-color: var(--bg-dark);
  color: #ccc;
  border-color: var(--border-dark);
}

.footer-content {
  max-width: 900px;
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.socials a {
  margin: 0 0.6rem;
  font-size: 1.5rem;
  color: var(--accent);
  transition: color 0.3s ease;
}

.socials a:hover,
.socials a:focus {
  color: var(--accent-hover);
  outline: none;
}

/* =====================
   Accessibility & Misc
======================= */
a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}
/* Animated greeting styles */
.welcome-heading {
  font-size: 2rem;
  font-weight: 600;
  height: 2.5rem;
  overflow: hidden;
  display: inline-block;
  white-space: nowrap;
}

/* Typing cursor */
.cursor {
  display: inline-block;
  animation: blink 0.8s infinite;
  color: #555;
}

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