/* =============================================
   KALEEM PORTFOLIO — PREMIUM CSS
   ============================================= */

/* ---- Variables ---- */
:root {
  --orange: #E87B2C;
  --orange-light: #F59C4A;
  --orange-glow: rgba(232, 123, 44, 0.25);
  --bg-primary: #0E0E0E;
  --bg-secondary: #141414;
  --bg-card: #1A1A1A;
  --bg-card-hover: #222222;
  --text-primary: #FFFFFF;
  --text-secondary: #B0B0B0;
  --text-muted: #707070;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(232, 123, 44, 0.4);
  --nav-height: 72px;
  --font-main: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  cursor: default;
}

a {
  text-decoration: none;
  color: inherit;
}

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

ul {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: var(--font-main);
  border: none;
  background: none;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--orange);
  border-radius: 2px;
}

/* ---- Selection ---- */
::selection {
  background: var(--orange);
  color: #fff;
}

a {
  cursor: pointer;
}

/* =============================================
   LOADER
   ============================================= */
.loader {
  position: fixed;
  inset: 0;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-inner {
  text-align: center;
}

.loader-logo {
  font-size: 4rem;
  font-weight: 900;
  color: var(--orange);
  margin-bottom: 1.5rem;
  animation: pulse 1.5s ease-in-out infinite;
}

.loader-bar {
  width: 200px;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  margin: 0 auto 1rem;
  overflow: hidden;
}

.loader-bar-fill {
  height: 100%;
  background: var(--orange);
  border-radius: 2px;
  animation: loadBar 2s ease forwards;
}

.loader-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 2px;
  text-transform: uppercase;
}

@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }

  50% {
    transform: scale(1.05);
    opacity: 0.8;
  }
}

@keyframes loadBar {
  0% {
    width: 0;
  }

  100% {
    width: 100%;
  }
}

/* Custom cursor removed — using default browser cursor */

/* =============================================
   PARTICLES CANVAS
   ============================================= */
#particles-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  padding: 0 2rem;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-logo-img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  display: block;
}

.nav-logo:hover {
  opacity: 0.85;
}

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

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding-bottom: 4px;
  transition: var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--orange);
  border-radius: 1px;
  transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--orange);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.btn-resume {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.25rem;
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  flex-shrink: 0;
  transition: var(--transition);
}

.btn-resume:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  margin-left: auto;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: var(--transition);
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-bg-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 88%;
  background-repeat: no-repeat;
  filter: brightness(0.95);
  animation: heroZoom 8s ease forwards;
}

@keyframes heroZoom {
  from {
    transform: scale(1.03);
  }

  to {
    transform: scale(1);
  }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    /* Left-to-right base fade — keeps right side clear */
    linear-gradient(to right,
      rgba(5, 5, 5, 0.55) 0%,
      rgba(5, 5, 5, 0.44) 28%,
      rgba(5, 5, 5, 0.03) 55%,
      rgba(5, 5, 5, 0.0) 100%),
    /* Diagonal: top-left corner → bottom-right corner of left half
       Above diagonal = transparent (lighter)
       Below diagonal = dark                                        */
    linear-gradient(to bottom right,
      transparent 20%,
      rgba(5, 5, 5, 0.42) 80%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  padding-top: var(--nav-height);
}

.hero-text {
  max-width: 560px;
}

.hero-greeting {
  font-size: 1rem;
  color: var(--orange);
  font-weight: 400;
  margin-bottom: 0.5rem;
  letter-spacing: 0.5px;
  opacity: 0;
}

.hero-name {
  font-size: clamp(3.5rem, 8vw, 6.5rem);
  font-weight: 900;
  line-height: 1;
  margin-bottom: 0.75rem;
  opacity: 0;
}

.hero-name .dot {
  color: var(--orange);
}

.hero-role {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  min-height: 2rem;
  opacity: 0;
}

.typed-cursor {
  display: inline-block;
  color: var(--orange);
  animation: blink 0.7s step-end infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.hero-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
  font-weight: 400;
  opacity: 0;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
  opacity: 0;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  background: var(--orange);
  color: #fff;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.15);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

.btn-primary:hover::before {
  transform: translateX(0);
}

.btn-primary:hover {
  box-shadow: 0 8px 30px var(--orange-glow);
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  color: var(--text-primary);
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateY(-2px);
}

.hero-socials {
  display: flex;
  gap: 1rem;
  opacity: 0;
}

.social-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  font-size: 1.1rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.social-icon:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px var(--orange-glow);
}

.scroll-down {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  text-align: center;
  cursor: pointer;
  opacity: 0;
  animation: fadeInUp 1s ease 2s forwards;
}

.scroll-down span {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.5rem;
}

.scroll-arrow {
  width: 32px;
  height: 32px;
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  font-size: 0.75rem;
  color: var(--text-muted);
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(6px);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* =============================================
   SECTIONS
   ============================================= */
.section {
  padding: 5rem 0;
  position: relative;
  z-index: 2;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 2.5rem;
  line-height: 1.2;
}

.text-center {
  text-align: center;
}

/* =============================================
   ABOUT
   ============================================= */
.about {
  background: var(--bg-secondary);
}

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

.about-text {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: 1.5px solid var(--orange);
  color: var(--orange);
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.875rem;
  margin-top: 0.5rem;
  transition: var(--transition);
}

.btn-outline:hover {
  background: var(--orange);
  color: #fff;
  transform: translateY(-2px);
}

.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  gap: 0.875rem;
  align-items: flex-start;
  transition: var(--transition);
}

.about-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.about-card-icon {
  width: 40px;
  height: 40px;
  background: var(--orange-glow);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--orange);
  flex-shrink: 0;
}

.about-card-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.25rem;
}

.about-card-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.about-card-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

/* =============================================
   SKILLS
   ============================================= */
.skills {
  background: var(--bg-primary);
}

/* Category label above each group */
.skill-category-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--orange);
  margin: 2rem 0 0.9rem;
  padding-left: 0.1rem;
}

/* Unified all-tech grid */
.skills-all-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(105px, 1fr));
  gap: 1rem;
  margin-bottom: 0.5rem;
}

/* Skills unified grid (legacy, keep for compatibility) */
.skills-grid-all {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 1.25rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 1.25rem;
}

.skills-grid.hidden {
  display: none;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  transition: var(--transition);
  cursor: default;
}

.skill-card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.skill-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.skill-icon img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.skill-card span {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: center;
}

/* =============================================
   PROJECTS
   ============================================= */
.projects {
  background: var(--bg-secondary);
}

.projects-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2.5rem;
}

.projects-header .section-title {
  margin-bottom: 0;
}

.view-all {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--orange);
  font-weight: 600;
  transition: var(--transition);
}

.view-all:hover {
  gap: 0.75rem;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.project-image {
  position: relative;
  height: 160px;
  overflow: hidden;
}

.project-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  transition: transform 0.4s ease;
}

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

.nust-nexus {
  background: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);
  color: #58A6FF;
}

.kalim-os {
  background: linear-gradient(135deg, #0d0d0d, #1a1a1a, #2d2d2d);
  color: #88CE02;
}

.cryonix {
  background: linear-gradient(135deg, #0a0a1a, #1a0a2e, #2e0a4a);
  color: #7F52FF;
}

.wifi {
  background: linear-gradient(135deg, #0a1a0a, #0a2e1a, #0a4a2e);
  color: #3DDC84;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.project-link {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.1);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--text-primary);
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.project-link:hover {
  background: var(--orange);
  border-color: var(--orange);
}

.project-content {
  padding: 1.25rem;
}

.project-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.tag {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  background: var(--orange-glow);
  color: var(--orange);
  border-radius: 50px;
  border: 1px solid rgba(232, 123, 44, 0.2);
}

.project-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.project-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.project-arrow {
  color: var(--orange);
  font-size: 1rem;
  transition: var(--transition);
  display: inline-block;
}

.project-arrow:hover {
  transform: translateX(4px);
}

/* =============================================
   EXPERIENCE
   ============================================= */
.experience {
  background: var(--bg-primary);
}

.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 160px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--orange), transparent);
}

.timeline-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
  position: relative;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-date {
  font-size: 0.75rem;
  color: var(--orange);
  font-family: var(--font-mono);
  font-weight: 600;
  text-align: right;
  padding-top: 0.3rem;
  padding-right: 2rem;
}

.timeline-dot {
  position: absolute;
  left: 154px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--orange);
  border-radius: 50%;
  border: 3px solid var(--bg-primary);
  box-shadow: 0 0 0 2px var(--orange);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  transition: var(--transition);
}

.timeline-content:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.timeline-company {
  font-size: 0.75rem;
  color: var(--orange);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.25rem;
}

.timeline-role {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.timeline-desc {
  font-size: 0.825rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* =============================================
   CERTIFICATIONS
   ============================================= */
.certifications {
  background: var(--bg-secondary);
}

.cert-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.5rem;
  align-items: start;
  transition: var(--transition);
}

.cert-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
  transform: translateY(-3px);
}

.cert-badge {
  width: 56px;
  height: 56px;
  background: var(--orange-glow);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--orange);
  flex-shrink: 0;
}

.cert-year {
  font-size: 0.7rem;
  color: var(--orange);
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.cert-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.cert-issuer {
  font-size: 0.75rem;
  color: var(--orange);
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.cert-desc {
  font-size: 0.825rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.cert-image-wrapper {
  width: 140px;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.cert-img {
  width: 100%;
  height: 100px;
  object-fit: cover;
}

/* =============================================
   CONTACT
   ============================================= */
.contact {
  background: var(--bg-primary);
}

.contact-sub {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 500px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.contact-info-item i {
  width: 40px;
  height: 40px;
  background: var(--orange-glow);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--orange);
  flex-shrink: 0;
}

.contact-info-item a:hover {
  color: var(--orange);
}

.contact-socials {
  display: flex;
  gap: 0.75rem;
  margin-top: 2rem;
}

.contact-social-link {
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.contact-social-link:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px var(--orange-glow);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.875rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.875rem;
  transition: var(--transition);
  resize: none;
  outline: none;
}

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

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px var(--orange-glow);
}

.btn-send {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: fit-content;
  padding: 0.875rem 2rem;
  background: var(--orange);
  color: #fff;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  align-self: flex-end;
}

.btn-send:hover {
  background: var(--orange-light);
  box-shadow: 0 8px 24px var(--orange-glow);
  transform: translateY(-2px);
}

.form-success {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: #4ade80;
  padding: 0.75rem 1rem;
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.2);
  border-radius: 8px;
}

.form-success.hidden {
  display: none;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-built {
  font-family: var(--font-mono);
}

/* =============================================
   BACK TO TOP
   ============================================= */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--orange);
  color: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  z-index: 900;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  box-shadow: 0 4px 16px var(--orange-glow);
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--orange-glow);
}

/* =============================================
   REVEAL ANIMATIONS
   ============================================= */
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-up {
  transform: translateY(40px);
}

.reveal-left {
  transform: translateX(-40px);
}

.reveal-right {
  transform: translateX(40px);
}

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .cert-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .cert-image-wrapper {
    display: none;
  }

  .cert-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
  }

  .timeline::before {
    left: 0;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    padding-left: 1.5rem;
  }

  .timeline-date {
    text-align: left;
    padding-right: 0;
    padding-left: 0;
  }

  .timeline-dot {
    left: -6px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.98);
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    gap: 1.5rem;
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border);
  }

  .nav-links.open {
    display: flex;
  }

  .btn-resume {
    display: none;
  }

  .hamburger {
    display: flex;
    margin-left: auto;
  }

  /* ---- Hero mobile fixes ---- */
  /* my pic.png is 1243x773 (landscape). On portrait mobile, cover zooms in and
     shows only a narrow center strip (the arm). Use contain to show the full image. */
  .hero-bg-img {
    background-size: contain;
    background-position: center 10%;
    background-color: #0a0a0a; /* fills gaps around the contained image */
  }

  /* Fully transparent over the photo so the person is visible;
     darkens ONLY at the bottom where the text sits */
  .hero-overlay {
    background: linear-gradient(
      to bottom,
      rgba(5,5,5,0.0)  0%,
      rgba(5,5,5,0.0)  58%,
      rgba(5,5,5,0.65) 70%,
      rgba(5,5,5,0.92) 100%
    );
  }

  /* Push text to bottom so the person's photo is fully visible above */
  .hero-content {
    display: flex;
    align-items: flex-end;
    padding-bottom: 5rem;
    padding-top: var(--nav-height);
  }

  .hero-text {
    max-width: 100%;
    width: 100%;
  }

  .hero-name {
    font-size: clamp(2.8rem, 13vw, 4rem);
  }

  .hero-role {
    font-size: clamp(0.95rem, 4vw, 1.2rem);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: 1.8rem;
  }

  .hero-desc {
    font-size: 0.9rem;
    line-height: 1.65;
    margin-bottom: 1.25rem;
  }

  .hero-buttons {
    margin-bottom: 1.25rem;
  }

  .about-cards {
    grid-template-columns: 1fr;
  }

  .projects-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .cursor,
  .cursor-follower {
    display: none;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 3.5rem 0;
  }

  .hero-role {
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
    font-size: clamp(0.9rem, 3.8vw, 1.1rem);
  }

  .hero-buttons {
    flex-direction: column;
    gap: 0.75rem;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}

/* =============================================
   GLOW EFFECTS
   ============================================= */
.glow-orange {
  box-shadow: 0 0 30px var(--orange-glow), 0 0 60px rgba(232, 123, 44, 0.1);
}

/* =============================================
   FLOATING SHAPES (decorative)
   ============================================= */
.float-shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  z-index: 1;
  animation: floatShapeAnim 8s ease-in-out infinite;
}

@keyframes floatShapeAnim {

  0%,
  100% {
    transform: translateY(0) scale(1);
  }

  50% {
    transform: translateY(-20px) scale(1.05);
  }
}

/* =============================================
   VIEW INTERNSHIP LETTER BUTTON
   ============================================= */
.view-letter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding: 0.5rem 1.1rem;
  border: 1.5px solid var(--orange);
  border-radius: 6px;
  color: var(--orange);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  background: transparent;
  transition: var(--transition);
}

.view-letter-btn:hover {
  background: var(--orange);
  color: #fff;
  box-shadow: 0 4px 18px var(--orange-glow);
  transform: translateY(-1px);
}

/* =============================================
   INTERNSHIP LETTER MODAL / LIGHTBOX
   ============================================= */
.letter-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.letter-modal.active {
  opacity: 1;
  pointer-events: all;
}

.letter-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(6px);
}

.letter-modal-content {
  position: relative;
  z-index: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
  max-width: 820px;
  width: 92vw;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.92) translateY(20px);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.7);
}

.letter-modal.active .letter-modal-content {
  transform: scale(1) translateY(0);
}

.letter-modal-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--orange);
  margin-bottom: 1.2rem;
  text-transform: uppercase;
}

.letter-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.letter-modal-close:hover {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
}

.letter-img {
  width: 100%;
  border-radius: 8px;
  display: block;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}