/**
* Adil Anwar Portfolio - Premium Redesign
* Inspired by sajaltech.up.railway.app
* Features: Light/Dark Mode, Glassmorphism, Modern Typography
*/

/*--------------------------------------------------------------
# CSS Variables (Theme System)
--------------------------------------------------------------*/
:root {
  /* Light Mode (Default) */
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-card: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.7);

  --text-primary: #0a0a0a;
  --text-secondary: #4a4a4a;
  --text-muted: #6b7280;

  --border-color: rgba(0, 0, 0, 0.08);
  --border-light: rgba(0, 0, 0, 0.05);

  --accent: #007bff;
  --accent-hover: #0056b3;
  --accent-glow: rgba(0, 123, 255, 0.15);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  --btn-primary-bg: #000000;
  --btn-primary-text: #ffffff;

  --header-height: 72px;
  --container-max: 1200px;
  --section-padding: 100px;
  --card-radius: 24px;
  --btn-radius: 999px;

  --font-display: 'Syne', sans-serif;
  --font-body: 'Open Sans', sans-serif;

  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Grid Background */
  --grid-color: rgba(0, 0, 0, 0.06);
  --grid-size: 60px;
}

/* Dark Mode */
[data-theme="dark"] {
  --bg-primary: #050505;
  --bg-secondary: #0a0a0a;
  --bg-card: #0d0d0d;
  --bg-input: #111111;
  --bg-glass: rgba(5, 5, 5, 0.8);

  --text-primary: #ffffff;
  --text-secondary: #a1a1a1;
  --text-muted: #6b7280;

  --border-color: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.05);

  --accent: #3b8bff;
  --accent-hover: #60a5fa;
  --accent-glow: rgba(59, 139, 255, 0.2);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);

  --btn-primary-bg: #ffffff;
  --btn-primary-text: #000000;

  /* Grid Background */
  --grid-color: rgba(255, 255, 255, 0.06);
}

/*--------------------------------------------------------------
# Base Reset & Typography
--------------------------------------------------------------*/
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html,
body {
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-base), color var(--transition-base);
}

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

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.5rem, 8vw, 5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
}

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

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

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 768px) {
  .container {
    padding: 0 40px;
  }
}

/*--------------------------------------------------------------
# Header (Styled Navbar with Shapes)
--------------------------------------------------------------*/
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #f1f5f9 100%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: all var(--transition-base);
}

/* Decorative shapes for light mode */
#header::before {
  content: '';
  position: absolute;
  top: -30px;
  right: 10%;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(0, 123, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

#header::after {
  content: '';
  position: absolute;
  top: -20px;
  left: 20%;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

/* Dark mode header */
[data-theme="dark"] #header {
  background: linear-gradient(135deg, #0a0a0a 0%, #0d0d0d 50%, #111111 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] #header::before {
  background: radial-gradient(circle, rgba(59, 139, 255, 0.15) 0%, transparent 70%);
}

[data-theme="dark"] #header::after {
  background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
}

#header>div {
  max-width: var(--container-max);
  width: 100%;
  margin: 0 auto;
  padding: 0 16px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-sizing: border-box;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

@media (min-width: 768px) {
  #header>div {
    padding: 0 40px;
  }
}

/* Profile/Logo */
#header .profile {
  display: flex;
  align-items: center;
  gap: 12px;
}

#header .profile img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  object-fit: cover;
}

#header .profile h1 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
}

#header .profile h1 a {
  color: var(--text-primary);
}

#header .profile .social-links {
  display: none;
}

/* Navigation */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-menu ul {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--btn-radius);
  transition: all var(--transition-fast);
}

.nav-menu a i {
  font-size: 1rem;
  color: var(--accent);
}

.nav-menu a span {
  display: none;
}

@media (min-width: 992px) {
  .nav-menu a span {
    display: inline;
  }
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--text-primary);
  background: var(--accent-glow);
}

/* Theme Toggle Button */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.theme-toggle i {
  font-size: 1.125rem;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  font-size: 1.25rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

@media (max-width: 991px) {
  .mobile-nav-toggle {
    display: flex;
  }
}

@media (max-width: 991px) {
  .nav-menu {
    display: none;
  }

  body.mobile-nav-active .nav-menu {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    padding: 24px;
    border-bottom: 1px solid var(--border-light);
    z-index: 999;
  }

  body.mobile-nav-active .nav-menu ul {
    flex-direction: column;
    width: 100%;
  }

  body.mobile-nav-active .nav-menu a {
    width: 100%;
    justify-content: center;
    padding: 16px;
  }

  body.mobile-nav-active .nav-menu a span {
    display: inline;
  }
}

/*--------------------------------------------------------------
# Hero Section
--------------------------------------------------------------*/
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--header-height) + 60px) 24px 60px;
  /* Light mode default - clean gradient with shapes */
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 30%, #f1f5f9 100%);
  position: relative;
  overflow: hidden;
}

/* Decorative shapes - Light Mode */
#hero::before {
  content: '';
  position: absolute;
  top: 15%;
  right: 5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 123, 255, 0.08) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

#hero::after {
  content: '';
  position: absolute;
  bottom: 20%;
  left: 5%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.07) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

/* Extra decorative element via hero-container */
.hero-container::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

.hero-container::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 200px;
  background: linear-gradient(90deg, transparent 0%, rgba(0, 123, 255, 0.1) 50%, transparent 100%);
  pointer-events: none;
  z-index: -1;
}

.hero-container {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

#hero h1 {
  font-size: clamp(2rem, 10vw, 7rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 24px;
  text-transform: uppercase;
  color: #0a0a0a;
}

#hero p {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  color: #4a4a4a;
  margin-bottom: 40px;
  font-family: var(--font-display);
}

#hero p span.typed {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 4px;
}

/* ==================== DARK MODE HERO ==================== */
[data-theme="dark"] #hero {
  background: #050505;
}

/* Perspective Grid for Dark Mode */
[data-theme="dark"] #hero::before {
  top: auto;
  right: auto;
  bottom: 0;
  left: -50%;
  right: -50%;
  width: auto;
  height: 60%;
  background:
    linear-gradient(to right, transparent 0%, transparent 49.5%, rgba(255, 255, 255, 0.06) 49.5%, rgba(255, 255, 255, 0.06) 50.5%, transparent 50.5%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, transparent 49.5%, rgba(255, 255, 255, 0.04) 49.5%, rgba(255, 255, 255, 0.04) 50.5%, transparent 50.5%, transparent 100%);
  background-size: 80px 80px;
  transform: perspective(500px) rotateX(60deg);
  transform-origin: center bottom;
  border-radius: 0;
  mask-image: linear-gradient(to top, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0.8) 30%, transparent 80%);
  -webkit-mask-image: linear-gradient(to top, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0.8) 30%, transparent 80%);
}

/* Horizon Glow Line for Dark Mode */
[data-theme="dark"] #hero::after {
  top: auto;
  left: 0;
  right: 0;
  bottom: 35%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg,
      transparent 0%,
      rgba(59, 139, 255, 0.3) 20%,
      rgba(59, 139, 255, 0.8) 50%,
      rgba(59, 139, 255, 0.3) 80%,
      transparent 100%);
  border-radius: 0;
  box-shadow:
    0 0 30px 10px rgba(59, 139, 255, 0.2),
    0 0 60px 20px rgba(59, 139, 255, 0.1);
}

/* Ambient glow for Dark Mode */
[data-theme="dark"] .hero-container::before {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(59, 139, 255, 0.1) 0%, transparent 60%);
}

[data-theme="dark"] .hero-container::after {
  display: none;
}

[data-theme="dark"] #hero h1 {
  color: #ffffff;
}

[data-theme="dark"] #hero p {
  color: rgba(255, 255, 255, 0.7);
}

/*--------------------------------------------------------------
# Sections General
--------------------------------------------------------------*/
section {
  padding: var(--section-padding) 0;
  background-color: var(--bg-primary);
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  position: relative;
}

.section-bg {
  background-color: var(--bg-secondary);
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
}

.section-title {
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 60px;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
}

.section-title p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
}

/*--------------------------------------------------------------
# Skills Section
--------------------------------------------------------------*/
.skills {
  padding: var(--section-padding) 0;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 32px;
  height: 100%;
  transition: all var(--transition-base);
}

.skill-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 20px 40px -20px var(--accent-glow);
  transform: translateY(-4px);
}

.skill-card h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.skill-icons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.skill-icon-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 16px 8px;
  border-radius: 12px;
  transition: all var(--transition-fast);
}

.skill-icon-item:hover {
  background: var(--accent-glow);
}

.skill-icon-item i,
.skill-icon-item img {
  font-size: 2rem;
  margin-bottom: 8px;
  color: var(--accent);
}

.skill-icon-item span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/*--------------------------------------------------------------
# Resume Timeline
--------------------------------------------------------------*/
.resume {
  padding: var(--section-padding) 0;
}

.timeline-container {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 0;
}

.timeline-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
  transform: translateX(-50%);
}

.timeline-progress {
  position: absolute;
  left: 50%;
  top: 0;
  width: 2px;
  background: var(--accent);
  transform: translateX(-50%);
  height: 0;
  transition: height 0.1s linear;
  box-shadow: 0 0 20px var(--accent-glow);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 0 40px 60px;
  opacity: 0.6;
  transition: all var(--transition-base);
}

.timeline-item.active {
  opacity: 1;
}

.timeline-item.left {
  left: 0;
  text-align: right;
  padding-right: 60px;
}

.timeline-item.right {
  left: 50%;
  text-align: left;
  padding-left: 60px;
}

.timeline-dot {
  position: absolute;
  width: 16px;
  height: 16px;
  background: var(--bg-primary);
  border: 3px solid var(--border-color);
  border-radius: 50%;
  top: 0;
  z-index: 2;
  transition: all var(--transition-base);
}

.timeline-item.left .timeline-dot {
  right: -8px;
}

.timeline-item.right .timeline-dot {
  left: -8px;
}

.timeline-item.active .timeline-dot {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
  transform: scale(1.3);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 28px;
  transition: all var(--transition-base);
}

.timeline-item.active .timeline-content {
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
}

.timeline-content h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.timeline-content h4 {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.timeline-content .time-badge {
  display: inline-block;
  background: var(--accent-glow);
  color: var(--accent);
  padding: 6px 14px;
  border-radius: var(--btn-radius);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 16px;
  border: 1px solid var(--accent);
}

.timeline-content ul {
  padding-left: 20px;
  margin: 0;
  text-align: left;
}

.timeline-content ul li {
  margin-bottom: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.timeline-content p {
  text-align: left;
  font-size: 0.9rem;
}

/* Mobile Timeline */
@media (max-width: 768px) {

  .timeline-line,
  .timeline-progress {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    left: 0 !important;
    padding: 0 0 40px 50px !important;
    text-align: left !important;
  }

  .timeline-item .timeline-dot {
    left: 12px !important;
    right: auto !important;
  }
}

/*--------------------------------------------------------------
# Portfolio
--------------------------------------------------------------*/
.portfolio {
  padding: var(--section-padding) 0;
}

#portfolio-flters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  padding: 0;
  list-style: none;
}

#portfolio-flters li {
  padding: 10px 20px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--btn-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
}

#portfolio-flters li:hover,
#portfolio-flters li.filter-active {
  color: var(--btn-primary-text);
  background: var(--btn-primary-bg);
  border-color: var(--btn-primary-bg);
}

.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  overflow: hidden;
  height: 100%;
  transition: all var(--transition-base);
}

.portfolio-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 20px 40px -20px var(--accent-glow);
  transform: translateY(-8px);
}

.portfolio-card .card-img {
  height: 200px;
  overflow: hidden;
  background: var(--bg-secondary);
}

.portfolio-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.portfolio-card:hover .card-img img {
  transform: scale(1.1);
}

.portfolio-card .card-body {
  padding: 24px;
}

.portfolio-card .category {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  display: block;
}

.portfolio-card h3 {
  font-size: 1.125rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.portfolio-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.6;
}

.tech-stack-mini {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.tech-stack-mini span {
  background: var(--accent-glow);
  color: var(--text-secondary);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--btn-radius);
  border: 1px solid var(--border-color);
}

.portfolio-card .card-links {
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
  display: flex;
  gap: 16px;
}

.portfolio-card .btn-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.portfolio-card .btn-link:hover {
  color: var(--accent-hover);
}

/*--------------------------------------------------------------
# Contact Section
--------------------------------------------------------------*/
.contact {
  padding: var(--section-padding) 0;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 32px;
  text-align: center;
  transition: all var(--transition-base);
}

.contact-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 20px 40px -20px var(--accent-glow);
  transform: translateY(-4px);
}

.contact-card i {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.contact-card h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.contact-card p {
  color: var(--text-secondary);
  margin: 0;
}

.main-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  padding: 40px;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.main-form-card h3 {
  font-size: 1.5rem;
  margin-bottom: 32px;
  color: var(--text-primary);
}

.main-form-card .form-group {
  margin-bottom: 20px;
}

.main-form-card input,
.main-form-card textarea {
  width: 100%;
  padding: 16px 20px;
  font-size: 1rem;
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all var(--transition-fast);
}

[data-theme="dark"] .main-form-card input,
[data-theme="dark"] .main-form-card textarea {
  background: var(--bg-input);
}

.main-form-card input::placeholder,
.main-form-card textarea::placeholder {
  color: var(--text-muted);
}

.main-form-card input:focus,
.main-form-card textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.main-form-card textarea {
  min-height: 150px;
  resize: vertical;
}

.main-form-card button[type="submit"] {
  width: 100%;
  padding: 16px 32px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-display);
  color: var(--btn-primary-text);
  background: var(--btn-primary-bg);
  border: none;
  border-radius: var(--btn-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.main-form-card button[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
}

/* Form Messages */
.loading,
.error-message,
.sent-message {
  display: none;
  padding: 16px;
  border-radius: 12px;
  margin-bottom: 20px;
  font-weight: 600;
}

.loading {
  background: var(--bg-secondary);
  text-align: center;
}

.error-message {
  background: #fee2e2;
  color: #dc2626;
}

.sent-message {
  background: #d1fae5;
  color: #059669;
}

/*--------------------------------------------------------------
# Back to Top
--------------------------------------------------------------*/
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  border-radius: 50%;
  font-size: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 999;
}

.back-to-top.active {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/*--------------------------------------------------------------
# Footer
--------------------------------------------------------------*/
#footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
  text-align: center;
}

#footer p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin: 0;
}

/*--------------------------------------------------------------
# Utilities
--------------------------------------------------------------*/
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--btn-primary-text);
  background: var(--btn-primary-bg);
  border: none;
  border-radius: var(--btn-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
  color: var(--btn-primary-text);
}

/* Responsive Grid Fix */
.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -12px;
}

.row>[class*="col-"] {
  padding: 0 12px;
  margin-bottom: 24px;
}

@media (max-width: 991px) {
  .col-lg-4 {
    flex: 0 0 50%;
    max-width: 50%;
  }
}

@media (max-width: 767px) {

  .col-lg-4,
  .col-md-6 {
    flex: 0 0 100%;
    max-width: 100%;
  }
}

/*--------------------------------------------------------------
# Dark Mode Solid Backgrounds (Prevent grid bleed-through)
--------------------------------------------------------------*/
[data-theme="dark"] .skill-card,
[data-theme="dark"] .timeline-content,
[data-theme="dark"] .portfolio-card,
[data-theme="dark"] .contact-card,
[data-theme="dark"] .main-form-card {
  background: var(--bg-card);
}

[data-theme="dark"] .timeline-dot {
  background: var(--bg-primary);
}

[data-theme="dark"] .tech-stack-mini span {
  background: #1a1a1a;
}

[data-theme="dark"] #portfolio-flters li {
  background: var(--bg-card);
}

[data-theme="dark"] #portfolio-flters li:hover,
[data-theme="dark"] #portfolio-flters li.filter-active {
  background: #ffffff;
  color: #000000;
}