/* =========================================================
   Global Reset
========================================================= */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* =========================================================
   CSS Variables
========================================================= */
:root {
  --accent: #3fa2f6;
  --accent-hover: #69b9ff;
  --bg-dark: rgb(6, 7, 12);
  --bg-dark-overlay: rgba(6, 7, 12, 0.7);
  --bg-card: rgba(255, 255, 255, 0.05);
  --text-light: #ffffff;
  --text-mid: #d1d1d1;
  --text-dim: #9e9e9e;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 5px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 20px var(--accent);
  --max-width: 1200px;
  --trans-fast: 0.12s;
  --trans-med: 0.25s;
  --header-height: 72px;
  --pad-h: 10%;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* =========================================================
   Base Elements
========================================================= */
html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.5;
  min-height: 100vh;
  padding: 0 var(--pad-h);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--trans-fast);
}

a:hover,
a:focus {
  color: var(--accent-hover);
}

a:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

p {
  font-size: 1.125rem;
  color: var(--text-mid);
  margin-bottom: 1.5rem;
}

h1,
h2,
h3 {
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-light);
}
h1 {
  font-size: 4rem;
  margin-bottom: 1.25rem;
}
h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
h3 {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
  color: var(--accent);
}

.container {
  max-width: var(--max-width);
  margin-inline: auto;
}

.section-pad {
  padding: 6rem 0;
}

.alt-bg {
  background: rgba(255, 255, 255, 0.03);
}

.accent {
  color: var(--accent);
}

/* =========================================================
   Header
========================================================= */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  height: var(--header-height);
  display: flex;
  align-items: center;
  z-index: 100;
  background: var(--bg-dark-overlay);
  backdrop-filter: blur(10px);
  padding-block: 10px;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo a {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-light);
}

.main-nav {
  display: flex;
  gap: 60px;
}

.main-nav .nav-item {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text-light);
  transition: color var(--trans-fast), transform var(--trans-fast);
}

.main-nav .active {
  color: var(--accent);
}

.main-nav .nav-item:hover {
  color: var(--accent);
}

/* Nav animation stagger */
.header-inner,
.logo {
  animation: fadeInTop 1s ease-in forwards;
  opacity: 0;
}
.main-nav .nav-item {
  opacity: 0;
  animation: fadeInTop 0.8s ease-in forwards;
}
.main-nav .nav-item:nth-child(1) {
  animation-delay: 0.3s;
}
.main-nav .nav-item:nth-child(2) {
  animation-delay: 0.5s;
}
.main-nav .nav-item:nth-child(3) {
  animation-delay: 0.7s;
}
.main-nav .nav-item:nth-child(4) {
  animation-delay: 0.9s;
}

@media (max-width: 768px) {
  :root {
    --pad-h: 5%;
  }
  .main-nav {
    gap: 20px;
  }
}

/* =========================================================
   Hero Section
========================================================= */
.hero {
  position: relative; /* required for ::after positioning */
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  column-gap: 2rem;
  min-height: calc(100vh - var(--header-height));
  padding-top: 5rem;
  padding-bottom: 5rem;
}

/* Decorative background graphic on right */
.hero::after {
  content: "";
  position: absolute;
  top: 5%; /* move up/down */
  right: 0; /* stick to right edge */
  width: 320px; /* control size */
  height: 80%; /* adjust vertical coverage */
  background: url("../images/bg.jpg") no-repeat center top;
  background-size: contain;
  pointer-events: none; /* don't block clicks */
  z-index: 0; /* behind content */
}

/* Ensure hero content sits above pseudo-element */
.hero-left,
.hero-right {
  position: relative;
  z-index: 1;
}

.hero-left {
  max-width: 600px;
}

.hero-left .cta {
  margin-top: 1.5rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-left .cta .btn {
  margin-bottom: 1rem; /* Added for spacing when stacked */
}

.hero-left .social-icons {
  margin-top: 2rem; /* Space between buttons and icons */
}

.hero-right {
  justify-self: center;
  max-width: 350px;
}

.hero-right img {
  border-radius: 50%;
  border: 3px solid var(--accent);
}

/* =========================================================
   Buttons
========================================================= */
.btn {
  display: inline-block;
  padding: 15px 32px;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: center;
  transition: all var(--trans-fast);
}

.cta-primary {
  background-color: var(--accent);
  color: #000;
  border: 2px solid var(--accent);
}

.cta-primary:hover {
  background: transparent;
  color: var(--accent);
}

.cta-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.cta-outline:hover {
  background: var(--accent);
  color: #000;
}

/* =========================================================
   Social Icons
========================================================= */
.social-icons {
  display: flex;
  gap: 30px;
}

.social-icons a {
  font-size: 1.5rem; /* Increased size */
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 50%;
  padding: 10px;
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--trans-fast), box-shadow var(--trans-fast);
}

.social-icons a:hover {
  transform: scale(1.15);
  box-shadow: var(--shadow-glow);
}

/* =========================================================
   Animations
========================================================= */
@keyframes fadeInTop {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes backgroundZoom {
  from {
    background-size: 80%;
  }
  to {
    background-size: 100%;
  }
}
/* Image + Text Row */
.services-layout {
  display: grid;
  grid-template-columns: minmax(0, 420px) 1fr;
  align-items: center;
  gap: 3rem;
  margin-bottom: 4rem; /* space before services grid */
}

.services-visual img {
  border-radius: var(--radius-lg);
  border: 2px solid var(--accent);
  box-shadow: var(--shadow-md);
  width: 100%;
  height: auto;
  object-fit: cover;
}

.services-content .section-title {
  text-align: left;
  margin-bottom: 1rem;
}

.services-content .section-intro {
  max-width: 600px;
  text-align: left;
  color: var(--text-mid);
}

/* Services Grid - Full Width */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.service-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--trans-fast), box-shadow var(--trans-fast),
    border-color var(--trans-fast);
}

.service-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.service-card .icon-wrap {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

/* Responsive */
@media (max-width: 768px) {
  .services-layout {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .services-content .section-title,
  .services-content .section-intro {
    text-align: center;
  }
}

/* =========================================================
   Certifications Page
========================================================= */
.certifications-page {
  padding-top: 8rem;
  text-align: center;
}

.certifications-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.cert-card img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
}

.cert-card h3 {
  font-size: 1.25rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.cert-card p {
  font-size: 0.95rem;
  color: var(--text-mid);
}
/* =========================================================
   Certifications (Home)
========================================================= */
.certifications-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 2rem;
}

.cert-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--trans-fast), box-shadow var(--trans-fast),
    border-color var(--trans-fast);
}

.cert-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.cert-card i {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

.cert-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--text-light);
}

.cert-card p {
  font-size: 0.95rem;
  color: var(--text-mid);
}

/* =========================================================
   Achievements (Home Preview)
========================================================= */
.achievements-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 2rem;
}

.achievements-grid--home {
  max-width: 900px;
  margin-inline: auto;
}

.ach-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--trans-fast), box-shadow var(--trans-fast),
    border-color var(--trans-fast);
}

.ach-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.ach-card .icon-wrap {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

.ach-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--text-light);
}

.ach-card p {
  font-size: 0.95rem;
  color: var(--text-mid);
}

/* =========================================================
   Achievements Page
========================================================= */
.achievements-page {
  padding-top: 8rem; /* offset sticky header */
  text-align: center;
}

.achievements-grid--page {
  margin-top: 3rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* =========================================================
   Featured Projects (Home)
========================================================= */
.featured .section-intro {
  max-width: 600px;
  margin-inline: auto;
  text-align: center;
}

.projects-grid {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 2.5rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--trans-fast), box-shadow var(--trans-fast),
    border-color var(--trans-fast);
}

.project-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.project-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.project-card-content {
  padding: 1.5rem;
}

.project-card-content h3 {
  margin-bottom: 0.75rem;
  color: var(--accent);
}

.project-card-content p {
  margin-bottom: 1rem;
  color: var(--text-mid);
  font-size: 1rem;
}

.project-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: underline;
}

.center-btn {
  margin-top: 3rem;
  text-align: center;
}

/* =========================================================
   About Preview (Home)
========================================================= */
.about-preview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-preview-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 2px solid var(--accent);
  width: 100%;
  max-width: 400px;
}

.about-preview-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about-preview-content h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.about-preview-content p {
  margin-bottom: 1.5rem;
  color: var(--text-mid);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Resume Button in About Preview */
.about-preview-actions {
  margin-top: 1.5rem;
}

.about-preview-actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.about-preview-actions .btn i {
  margin-right: 0.5rem;
  font-size: 1.1rem;
}

/* Responsive */
@media (max-width: 768px) {
  .about-preview-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .about-preview-image img {
    margin: 0 auto;
  }

  .about-preview-content {
    align-items: center;
  }

  .about-preview-actions .btn {
    margin: 0 auto;
  }
}
/* =========================================================
   Skills Section
========================================================= */
.skills-section {
  margin-top: 3rem;
}

.skills-section h2 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: var(--accent);
  text-align: center;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1.5rem;
  text-align: center;
}

.skill-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem;
  border-radius: var(--radius-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.skill-item i {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.skill-item span {
  font-size: 0.95rem;
  color: var(--text-mid);
}

/* Responsive */
@media (max-width: 768px) {
  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1rem;
  }
}

/* =========================================================
   CTA Banner (Home)
========================================================= */
.cta-banner {
  background: var(--accent);
  color: #000;
  text-align: center;
  padding: 4rem 1rem;
}

.cta-banner h2 {
  color: #000;
  margin-bottom: 1rem;
}

.cta-banner p {
  color: #000;
  margin-bottom: 2rem;
}

/* Force CTA buttons readable on accent background */
.cta-banner .cta-primary,
.cta-banner .cta-outline {
  border-color: #000;
  color: #000;
  background-color: #fff;
}
.cta-banner .cta-primary:hover {
  background-color: transparent;
  color: #000;
}

/* =========================================================
   Footer
========================================================= */
.site-footer {
  margin-top: 6rem;
  background: var(--bg-dark-overlay);
  padding-top: 4rem;
  padding-bottom: 2rem;
  text-align: center;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.footer-logo {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-light);
}

.footer-tagline {
  max-width: 360px;
  margin-inline: auto;
  color: var(--text-dim);
  font-size: 0.95rem;
  margin-top: 0.75rem;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--text-light);
  font-weight: 500;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
}

.footer-social a {
  color: var(--accent);
  font-size: 1.25rem;
  transition: transform var(--trans-fast), color var(--trans-fast);
}
.footer-social a:hover {
  transform: scale(1.1);
  color: var(--accent-hover);
}

.footer-bottom {
  margin-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
}

.footer-bottom p {
  margin-bottom: 0;
  font-size: 0.95rem;
  color: var(--text-dim);
}

/* =========================================================
   About Page Layout
========================================================= */
.about {
  padding-top: 8rem; /* extra space below sticky header */
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 4rem;
  align-items: start;
}

.about-image img {
  border-radius: var(--radius-lg);
  border: 3px solid var(--accent);
  box-shadow: var(--shadow-md);
}

.about-content h1 {
  margin-bottom: 1.5rem;
}

.about-content p {
  margin-bottom: 1.25rem;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .about-content {
    max-width: 640px;
    margin-inline: auto;
  }
}

/* Skills list / chips */
.skills-list {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-tag {
  padding: 0.5rem 1rem;
  border: 1px solid var(--accent);
  color: var(--accent-hover);
  background: rgba(63, 162, 246, 0.1);
  font-size: 0.95rem;
  border-radius: var(--radius-md);
}

/* =========================================================
   Projects Page
========================================================= */
.projects-page {
  padding-top: 8rem;
}

.project-detail-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 6rem;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  padding: 2rem;
}

.project-detail-card:nth-child(even) {
  direction: rtl; /* simple alternating layout trick */
}
.project-detail-card:nth-child(even) > * {
  direction: ltr;
}

.project-detail-content h2 {
  margin-bottom: 1rem;
}

.project-detail-content p {
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.project-tech {
  list-style: none;
  margin-bottom: 2rem;
}
.project-tech li {
  margin-bottom: 0.5rem;
  color: var(--text-mid);
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .project-detail-card,
  .project-detail-card:nth-child(even) {
    grid-template-columns: 1fr;
    direction: ltr;
    text-align: center;
  }
  .project-detail-card img {
    margin-inline: auto;
    max-width: 480px;
  }
}

/* =========================================================
   Contact Page
========================================================= */
.contact-page {
  padding-top: 8rem;
  text-align: center;
}

.contact-intro {
  max-width: 600px;
  margin-inline: auto;
  margin-bottom: 3rem;
}

.contact-form {
  max-width: 600px;
  margin-inline: auto;
  text-align: left;
  background: var(--bg-card);
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.contact-form label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-light);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  margin-bottom: 1.5rem;
  font-size: 1rem;
  color: var(--text-light);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  transition: border-color var(--trans-fast), box-shadow var(--trans-fast);
  font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.contact-form textarea {
  min-height: 160px;
  resize: vertical;
}

.contact-form .btn {
  width: 100%;
  max-width: 220px;
  margin-top: 0.5rem;
}

/* =========================================================
   Animations (from your original)
========================================================= */
@keyframes fadeIn {
  from {
    transform: translateY(40px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fadeInTop {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes backgroundZoom {
  from {
    background-size: 80%;
  }
  to {
    background-size: 100%;
  }
}

/* Apply header animation (optional) */
.header-inner,
.logo,
.main-nav .nav-item {
  animation: fadeInTop 1s ease-in forwards;
  opacity: 0;
}

/* =========================================================
   Misc Responsive Tweaks
========================================================= */
@media (max-width: 600px) {
  .skills-list {
    justify-content: center;
  }
  .footer-nav {
    gap: 1rem;
  }
}