/* CSS Variables for Theming */
:root {
  --bg-dark-navy: #111827;
  --bg-navy: #1f2937;
  --bg-light-navy: #374151;
  --text-light-gray: #e5e7eb;
  --text-gray: #d1d5db;
  --text-dark-gray: #9ca3af;
  --primary-cyan: #0ea5e9;
  --primary-cyan-dark: #0284c7;
  --accent-glow: rgba(0, 255, 255, 0.15);
}

/* Basic Reset & Global Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  background-color: var(--bg-dark-navy);
  color: var(--text-light-gray);
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 6rem 0;
  overflow: hidden;
  /* Prevents animations from showing scrollbars */
}

h1,
h2,
h3 {
  color: #ffffff;
  font-weight: 700;
}

h1 {
  font-size: 2.5rem;
  line-height: 1.2;
}

h2 {
  font-size: 2.25rem;
  text-align: center;
  margin-bottom: 3rem;
}

h3 {
  font-size: 1.25rem;
}

a {
  color: var(--primary-cyan);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #7dd3fc;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: 9999px;
  font-weight: 700;
  transition: all 0.3s ease;
  text-align: center;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--primary-cyan);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--primary-cyan-dark);
  box-shadow: 0 0 20px var(--accent-glow);
  transform: translateY(-3px);
  color: #ffffff;
}

.btn-secondary {
  background-color: var(--bg-light-navy);
  color: #ffffff;
}

.btn-secondary:hover {
  background-color: #4b5563;
  transform: translateY(-3px);
  color: #ffffff;
}

/* Header & CSS-Only Mobile Nav */
.main-header {
  position: fixed;
  width: 100%;
  z-index: 100;
  background-color: rgba(31, 41, 55, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  z-index: 101;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-gray);
  font-weight: 500;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary-cyan);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a:hover {
  color: #ffffff;
}

.hire-me-btn {
  display: block;
}

#nav-toggle,
.nav-toggle-label {
  display: none;
}

/* Hero Section with Typing Animation */
#home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
}

.hero-content h1 {
  margin-bottom: 1rem;
  display: inline-block;
}

.hero-title-wrapper {
  min-height: 100px;
  /* Adjust based on font size to prevent layout shift */
}

.typing-effect {
  width: 0;
  overflow: hidden;
  white-space: nowrap;
  border-right: 3px solid var(--primary-cyan);
  animation: typing 3s steps(30, end) forwards,
    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(--primary-cyan);
  }
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--text-gray);
  max-width: 600px;
  margin: 0 auto 2rem auto;
  animation: fadeIn 2s 3s both;
  /* Fade in after typing */
}

.hero-buttons {
  animation: fadeIn 2s 3.5s both;
}

.hero-buttons .btn {
  margin: 0 0.5rem;
}

/* About Section */
.about-grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  width: 100%;
  max-width: 350px;
  border-radius: 50%;
  margin: 0 auto;
  display: block;
  position: relative;
  z-index: 2;
}

.about-image::before {
  content: "";
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  background: conic-gradient(
    from 90deg at 50% 50%,
    #0ea5e9,
    #22d3ee,
    #818cf8,
    #f472b6,
    #0ea5e9
  );
  animation: spin 4s linear infinite;
  z-index: 1;
}

.about-text p {
  margin-bottom: 1.5rem;
  color: var(--text-gray);
}

.about-text .btn {
  border-radius: 0.5rem;
}

/* Projects & Skills Section */
.bg-dark {
  background-color: var(--bg-navy);
}

.grid {
  display: grid;
  gap: 2rem;
}

/* Advanced Card Styles */
.project-card,
.skill-card {
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275),
    box-shadow 0.4s ease;
}

.project-card:hover,
.skill-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 30px rgba(0, 0, 0, 0.3);
}

.project-card {
  background-color: var(--bg-light-navy);
  border-radius: 0.75rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-image {
  position: relative;
}

.project-image img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.project-card:hover .project-image img {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
  opacity: 0;
  transition: opacity 0.4s ease-in-out;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
}

.project-image:hover .project-overlay {
  opacity: 1;
}

.project-info {
  padding: 1.5rem;
}

.project-tags span {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 0.25rem;
  background-color: #0c4a6e;
  color: #7dd3fc;
}

.skill-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1.5rem;
  border-radius: 0.75rem;
  text-align: center;
}

.skill-card img {
  height: 4rem;
  width: 4rem;
  margin: 0 auto 1rem auto;
  filter: grayscale(1);
  transition: filter 0.3s ease;
}

.skill-card:hover img {
  filter: grayscale(0);
}

/* Contact Section */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 1rem;
  border-radius: 0.5rem;
  border: 1px solid #4b5563;
  background-color: var(--bg-navy);
  color: var(--text-light-gray);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-cyan);
  box-shadow: 0 0 15px var(--accent-glow);
}

/* Footer */
.main-footer {
  border-top: 1px solid var(--bg-light-navy);
  padding: 2rem 0;
  text-align: center;
  color: var(--text-dark-gray);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Add staggered animation to cards */
.grid > * {
  animation: fadeIn 1s both;
}

/* Responsive Design */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--bg-navy);
    flex-direction: column;
    align-items: center;
    padding: 2rem 0;
  }

  .nav-links a {
    padding: 1rem 0;
    width: 100%;
    text-align: center;
  }

  .hire-me-btn {
    display: none;
  }

  .nav-toggle-label {
    display: block;
    cursor: pointer;
    z-index: 101;
  }

  .nav-toggle-label span,
  .nav-toggle-label span::before,
  .nav-toggle-label span::after {
    display: block;
    position: relative;
    width: 25px;
    height: 3px;
    background: #ffffff;
    border-radius: 2px;
    transition: all 0.3s ease;
  }

  .nav-toggle-label span::before,
  .nav-toggle-label span::after {
    content: "";
    position: absolute;
  }

  .nav-toggle-label span::before {
    top: -8px;
  }

  .nav-toggle-label span::after {
    top: 8px;
  }

  #nav-toggle:checked ~ .main-nav .nav-links {
    display: flex;
  }

  #nav-toggle:checked ~ .main-nav .nav-toggle-label span {
    background: transparent;
  }

  #nav-toggle:checked ~ .main-nav .nav-toggle-label span::before {
    transform: rotate(45deg);
    top: 0;
  }

  #nav-toggle:checked ~ .main-nav .nav-toggle-label span::after {
    transform: rotate(-45deg);
    top: 0;
  }
}

@media (min-width: 768px) {
  h1 {
    font-size: 3.5rem;
  }

  .about-grid {
    grid-template-columns: 2fr 3fr;
  }

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

  .grid-skills {
    grid-template-columns: repeat(4, 1fr);
  }

  .contact-form .form-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
}

@media (min-width: 1024px) {
  h1 {
    font-size: 4rem;
  }

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

  .grid-skills {
    grid-template-columns: repeat(6, 1fr);
  }
}