/* =====================
   Variables & Base
===================== */
:root {
  --default-font: "Roboto", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --heading-font: "Raleway", sans-serif;
  --nav-font: "Poppins", sans-serif;

  --background-color: #ffffff;
  --default-color: #272829;
  --heading-color: #45505b;
  --accent-color: #0563bb;
  --surface-color: #ffffff;
  --contrast-color: #ffffff;

  /* Nav */
  --nav-color: #45505b;
  --nav-hover-color: #0563bb;
  --nav-mobile-background-color: #ffffff;
  --nav-dropdown-background-color: #ffffff;
  --nav-dropdown-color: #212529;
  --nav-dropdown-hover-color: #0563bb;

  scroll-behavior: smooth;
}

.light-background {
  --background-color: #f9f9f9;
  --surface-color: #ffffff;
}

.dark-background {
  --background-color: #060606;
  --default-color: #ffffff;
  --heading-color: #ffffff;
  --surface-color: #252525;
  --contrast-color: #ffffff;
}

body {
  color: var(--default-color);
  background-color: var(--background-color);
  font-family: var(--default-font);
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: 0.3s;
}
a:hover { color: color-mix(in srgb, var(--accent-color), transparent 25%); }

h1,h2,h3,h4,h5,h6 { color: var(--heading-color); font-family: var(--heading-font); }

/* =====================
   Header & Nav
===================== */
.header {
  color: var(--default-color);
  position: fixed; top: 0; left: 0; bottom: 0;
  padding: 0 15px;
  transition: all .3s ease-in-out;
  overflow-y: auto;
  z-index: 997;
  min-width: 200px;
}
@media (max-width: 1199px) {
  .header {
    background-color: var(--background-color);
    border-right: 1px solid color-mix(in srgb, var(--default-color), transparent 90%);
    width: 300px;
    left: -100%;
  }
}
@media (min-width: 1200px) and (max-width: 1600px) {
  .header~main { margin-left: 160px; }
  .header~main .hero { margin-left: -160px; width: 100vw; }
}
.header.header-show { left: 0; }

.header .header-toggle {
  color: var(--contrast-color);
  background-color: var(--accent-color);
  font-size: 22px;
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  cursor: pointer; position: fixed; top: 15px; right: 15px;
  z-index: 9999; transition: background-color 0.3s;
}
.header .header-toggle:hover { background-color: color-mix(in srgb, var(--accent-color) 90%, white 15%); }

.navmenu { padding: 0; z-index: 9997; }
.navmenu ul { list-style: none; padding: 0 0 20px 0; margin: 0; width: 140px; }
.navmenu a, .navmenu a:focus {
  color: var(--nav-color);
  font-family: var(--nav-font);
  display: flex; align-items: center;
  padding: 10px 18px; margin-bottom: 8px; font-size: 15px;
  border-radius: 50px;
  background: color-mix(in srgb, var(--default-color), transparent 92%);
  height: 56px; width: 100%; overflow: hidden; transition: 0.3s;
}
.navmenu a i { font-size: 20px; }
.navmenu a span { padding: 0 5px 0 7px; }
@media (min-width: 992px) {
  .navmenu a { max-width: 56px; }
  .navmenu a span { display: none; }
}
.navmenu a:hover,
.navmenu .active,
.navmenu .active:focus,
.navmenu li:hover>a {
  color: var(--contrast-color);
  background: var(--nav-hover-color);
}
.navmenu a:hover, .navmenu li:hover>a { max-width: 100%; }
.navmenu a:hover span, .navmenu li:hover>a span { display: block; }

/* =====================
   Sections & Titles
===================== */
section, .section { color: var(--default-color); background-color: var(--background-color); padding: 60px 0; overflow: clip; }

.section-title { text-align: center; padding-bottom: 60px; position: relative; }
.section-title h2 { font-size: 32px; font-weight: 700; margin-bottom: 20px; padding-bottom: 20px; position: relative; }
.section-title h2:before {
  content: ""; position: absolute; display: block; width: 160px; height: 1px;
  background: color-mix(in srgb, var(--default-color), transparent 60%);
  left: 0; right: 0; bottom: 1px; margin: auto;
}
.section-title h2::after {
  content: ""; position: absolute; display: block; width: 60px; height: 3px;
  background: var(--accent-color); left: 0; right: 0; bottom: 0; margin: auto;
}

/* =====================
   Hero
===================== */
.hero {
  width: 100%; min-height: 100vh; position: relative; padding: 80px 0;
  display: flex; align-items: center; justify-content: center;
}
.hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; display: block; }
.hero:before { content: ""; background: color-mix(in srgb, var(--background-color), transparent 30%); position: absolute; inset: 0; z-index: 2; }
.hero .container { position: relative; z-index: 3; }
.hero h2 { margin: 0; font-size: 64px; font-weight: 700; }
.hero p { margin: 5px 0 0; font-size: 26px; }
.hero p span { letter-spacing: 1px; border-bottom: 2px solid var(--accent-color); }
.hero .social-links { margin-top: 25px; }
.hero .social-links a { font-size: 20px; display: inline-block; color: color-mix(in srgb, var(--default-color), transparent 30%); line-height: 1; margin-right: 20px; transition: 0.3s; }
.hero .social-links a:hover { color: var(--accent-color); }
@media (max-width: 768px) {
  .hero h2 { font-size: 32px; }
  .hero p { font-size: 20px; }
}

/* =====================
   About
===================== */
.about .content h2 { font-weight: 700; font-size: 24px; }
.about .content ul { list-style: none; padding: 0; }
.about .content ul li { margin-bottom: 20px; display: flex; align-items: center; }
.about .content ul strong { margin-right: 10px; }
.about .content ul i { font-size: 16px; margin-right: 5px; color: var(--accent-color); line-height: 0; }

/* =====================
   Skills
===================== */
.skill-logo { max-height: 100px; width: auto; object-fit: contain; margin: 0 auto; padding: 8px; }

/* =====================
   CV (replaces unused .resume)
===================== */
.cv-title {
  color: var(--heading-color);
  font-size: 26px;
  font-weight: 700;
  margin-top: 20px;
  margin-bottom: 20px;
}
.cv-item {
  padding: 0 0 20px 20px;
  margin-top: -2px;
  border-left: 2px solid var(--accent-color);
  position: relative;
}
.cv-item h4 {
  line-height: 18px; font-size: 18px; font-weight: 600; text-transform: uppercase;
  color: color-mix(in srgb, var(--default-color), transparent 20%); margin-bottom: 10px;
}
.cv-item h5 { font-size: 16px; padding: 5px 15px; display: inline-block; font-weight: 600; margin-bottom: 10px; }
.cv-item ul { padding-left: 20px; }
.cv-item ul li { padding-bottom: 10px; }
.cv-item:last-child { padding-bottom: 0; }
.cv-item::before {
  content: ""; position: absolute; width: 16px; height: 16px; border-radius: 50px;
  left: -9px; top: 0; background: var(--background-color); border: 2px solid var(--accent-color);
}

/* =====================
   Portfolio
===================== */
.project-image {
  max-height: 400px; width: auto; height: auto;
  border-radius: 8px; box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  display: block; margin: 0 auto;
}
.image-wrapper { position: relative; display: inline-block; }
.overlay {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background-color: rgba(15, 15, 15, 0.85);
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  opacity: 0; transition: opacity 0.4s ease; border-radius: 8px; pointer-events: none;
}
.image-wrapper:hover .overlay { opacity: 1; pointer-events: auto; }
/* Touch support (main.js toggles .active) */
.overlay.active { opacity: 1; pointer-events: auto; }
.overlay h4 { color: #fff; font-size: 1rem; font-weight: 500; margin-bottom: .5rem; text-align: center; }
.overlay i { color: #fff; font-size: 2rem; cursor: pointer; transition: transform .2s ease; }
.overlay i:hover { transform: scale(1.1); }

.modal-header-custom { background-color: #0563bb !important; }
.modal-content { border-radius: .75rem !important; overflow: hidden !important; }

#portfolio .container { max-width: 900px; margin: auto; }

.btn-custom { background-color: #0563bb; color: #fff; border: none; }
.btn-custom:hover { background-color: #093f92; color: #fff; }

/* =====================
   Contact (PHP Email Form)
===================== */
.php-email-form .error-message {
  display: none; background: #df1529; color: #ffffff; text-align: left;
  padding: 15px; margin-bottom: 24px; font-weight: 600;
}
.php-email-form .sent-message {
  display: none; color: #ffffff; background: #059652; text-align: center;
  padding: 15px; margin-bottom: 24px; font-weight: 600;
}
.php-email-form .loading {
  display: none; background: var(--surface-color); text-align: center;
  padding: 15px; margin-bottom: 24px;
}
.php-email-form .loading:before {
  content: ""; display: inline-block; border-radius: 50%;
  width: 24px; height: 24px; margin: 0 10px -6px 0;
  border: 3px solid var(--accent-color); border-top-color: var(--surface-color);
  animation: php-email-form-loading 1s linear infinite;
}
@keyframes php-email-form-loading { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.contact .php-email-form { height: 100%; }
.contact .php-email-form input[type=text],
.contact .php-email-form input[type=email],
.contact .php-email-form textarea {
  font-size: 14px; padding: 10px 15px; box-shadow: none; border-radius: 0;
  color: var(--default-color);
  background-color: color-mix(in srgb, var(--background-color), transparent 50%);
  border-color: color-mix(in srgb, var(--default-color), transparent 80%);
}
.contact .php-email-form input[type=text]:focus,
.contact .php-email-form input[type=email]:focus,
.contact .php-email-form textarea:focus { border-color: var(--accent-color); }
.contact .php-email-form input[type=text]::placeholder,
.contact .php-email-form input[type=email]::placeholder,
.contact .php-email-form textarea::placeholder { color: color-mix(in srgb, var(--default-color), transparent 70%); }
.contact .php-email-form button[type=submit] {
  color: var(--contrast-color); background: var(--accent-color); border: 0; padding: 10px 30px;
  transition: .4s; border-radius: 50px;
}
.contact .php-email-form button[type=submit]:hover { background: color-mix(in srgb, var(--accent-color), transparent 25%); }

/* =====================
   Footer
===================== */
.footer {
  color: var(--default-color); background-color: var(--background-color);
  font-size: 14px; text-align: center; padding: 30px 0; position: relative;
}
.footer h3 { font-size: 36px; font-weight: 700; margin: 0 0 15px 0; }
.footer p { font-size: 15px; font-style: italic; margin: 0 0 30px 0; }
.footer .social-links { margin: 0 0 30px 0; }
.footer .social-links a {
  font-size: 16px; display: flex; align-items: center; justify-content: center;
  background: var(--accent-color); color: var(--contrast-color);
  line-height: 1; margin: 0 4px; border-radius: 50%; width: 36px; height: 36px; transition: 0.3s;
}
.footer .social-links a:hover { background: color-mix(in srgb, var(--accent-color), transparent 20%); }
.footer .copyright { padding-top: 25px; border-top: 1px solid color-mix(in srgb, var(--default-color), transparent 90%); }
.footer .credits { font-size: 13px; padding-top: 5px; }

/* =====================
   Utilities
===================== */
#preloader { position: fixed; inset: 0; z-index: 999999; overflow: hidden; background: var(--background-color); transition: all 0.6s ease-out; }
#preloader:before {
  content: ""; position: fixed; top: calc(50% - 30px); left: calc(50% - 30px);
  border: 6px solid #ffffff; border-color: var(--accent-color) transparent var(--accent-color) transparent;
  border-radius: 50%; width: 60px; height: 60px; animation: animate-preloader 1.5s linear infinite;
}
@keyframes animate-preloader { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.scroll-top {
  position: fixed; visibility: hidden; opacity: 0; right: 15px; bottom: -15px; z-index: 99999;
  background-color: var(--accent-color); width: 44px; height: 44px; border-radius: 50px; transition: all 0.4s;
}
.scroll-top i { font-size: 24px; color: var(--contrast-color); line-height: 0; }
.scroll-top:hover { background-color: color-mix(in srgb, var(--accent-color), transparent 20%); }
.scroll-top.active { visibility: visible; opacity: 1; bottom: 15px; }

/* Disable AOS delay on mobile */
@media screen and (max-width: 768px) { [data-aos-delay] { transition-delay: 0 !important; } }


.skill-card {
  background: #fff;
  border: 1px solid #eef0f2;
  transition: all 0.3s ease;
}

.skill-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.skill-card h4 {
  color: #45505b;
  font-weight: 600;
}

.skill-badge {
  background: #0563bb;
  color: #fff;
  padding: 8px 14px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.skill-badge:hover {
  background: #0678e3;
  transform: scale(1.05);
}


.project-row {
  background: var(--surface-color);
  border: 1px solid rgba(0,0,0,0.08);
  transition: box-shadow 0.2s;
}
.project-row:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.1) !important;
}