:root {
  --bg: #020617;
  --bg-alt: #050816;
  --accent: #6366f1;
  --accent-secondary: #0ea5e9;
  --accent-soft: rgba(99, 102, 241, 0.18);
  --text: #f9fafb;
  --text-soft: #9ca3af;
  --card-bg: rgba(15, 23, 42, 0.9);
  --border-subtle: rgba(148, 163, 184, 0.2);
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  --shadow-soft: 0 18px 60px rgba(15, 23, 42, 0.7);
  --shadow-subtle: 0 10px 40px rgba(15, 23, 42, 0.5);
  --transition-fast: 0.18s ease-out;
  --transition: 0.35s ease-out;
}

/* Reset */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: radial-gradient(circle at top, var(--bg) 0, #000 60%);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
  cursor: none; /* custom cursor on desktop */
}

/* Background */

.bg-gradient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 10% 0, rgba(56, 189, 248, 0.12), transparent 55%),
    radial-gradient(circle at 95% 0, rgba(129, 140, 248, 0.12), transparent 55%),
    radial-gradient(circle at 50% 100%, rgba(56, 189, 248, 0.1), transparent 55%);
  opacity: 0.9;
  z-index: -3;
}

.blob {
  position: fixed;
  width: 380px;
  height: 380px;
  border-radius: 999px;
  filter: blur(80px);
  opacity: 0.4;
  z-index: -3;
  mix-blend-mode: screen;
  animation: float-blob 22s infinite alternate ease-in-out;
}

.blob-1 {
  top: -80px;
  left: -60px;
  background: radial-gradient(circle at 30% 30%, #6366f1, transparent);
}

.blob-2 {
  bottom: -120px;
  right: -80px;
  background: radial-gradient(circle at 30% 30%, #0ea5e9, transparent);
  animation-duration: 28s;
}

.blob-3 {
  top: 40%;
  left: 15%;
  background: radial-gradient(circle at 30% 30%, #f97316, transparent);
  animation-duration: 26s;
}

/* Loader */

.loader {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at top, #020617 0, #000 55%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 999;
  color: var(--text-soft);
}

.loader-inner {
  width: 64px;
  height: 64px;
  border-radius: 999px;
  border: 3px solid rgba(148, 163, 184, 0.25);
  border-top-color: var(--accent);
  border-right-color: var(--accent-secondary);
  animation: spin 0.7s linear infinite;
}

/* Custom cursor */

.cursor-dot,
.cursor-outline {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  border-radius: 999px;
  transform: translate(-50%, -50%);
  z-index: 200;
}

.cursor-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-secondary);
}

.cursor-outline {
  width: 32px;
  height: 32px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: radial-gradient(circle at 30% 30%, rgba(99, 102, 241, 0.35), transparent);
  transition: transform 0.16s ease-out, width 0.1s, height 0.1s;
}

/* Layout */

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 6.5rem 0;
  position: relative;
}

.section-alt {
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.95), rgba(2, 6, 23, 0.98));
}

/* Header */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.98), rgba(15, 23, 42, 0.9), transparent);
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-mark {
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 0, #4f46e5, #0f172a);
  box-shadow: 0 0 0 1px rgba(129, 140, 248, 0.15), 0 18px 40px rgba(15, 23, 42, 0.85);
  font-size: 0.95rem;
  font-weight: 600;
  overflow: hidden;
}

.logo-photo {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  object-fit: cover;
}

.logo-text {
  font-weight: 600;
  letter-spacing: 0.03em;
}

/* Nav */

.nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1rem;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-link {
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--text-soft);
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  transition: color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.nav-link:hover {
  color: var(--text);
  background: rgba(15, 23, 42, 0.8);
  transform: translateY(-1px);
}

.nav-link.active {
  color: var(--text);
  background: rgba(51, 65, 85, 0.9);
}

.nav-link-outline {
  border: 1px solid rgba(148, 163, 184, 0.5);
}

/* Nav toggle (mobile) */

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 0.3rem;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  width: 1.5rem;
  height: 2px;
  background: var(--text);
  transition: var(--transition-fast);
}

/* Hero */

.hero {
  padding-top: 5.8rem;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.4fr);
  gap: 3.6rem;
  align-items: center;
  position: relative;
}

.hero-orbit {
  position: absolute;
  top: 0;
  right: 8%;
  width: 34rem;
  height: 34rem;
  border-radius: 999px;
  border: 1px dashed rgba(148, 163, 184, 0.3);
  opacity: 0.35;
  transform: translateY(-15%);
  pointer-events: none;
}

.hero-orbit-secondary {
  width: 22rem;
  height: 22rem;
  right: 4%;
  top: 12%;
}

/* Badge */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.18), transparent),
    rgba(15, 23, 42, 0.9);
  font-size: 0.76rem;
  color: var(--text-soft);
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.3);
}

/* Hero text */

.hero h1 {
  margin-top: 1.4rem;
  font-size: clamp(2.3rem, 3.3vw + 1.6rem, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

/* Typewriter */

.typewriter {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: clamp(1.35rem, 1.1vw + 1.2rem, 1.7rem);
  color: var(--accent-secondary);
}

.typewriter-caret {
  width: 2px;
  height: 1.4em;
  background: var(--accent-secondary);
  animation: caret-blink 1s infinite;
}

.hero-subtitle {
  margin-top: 1.3rem;
  color: var(--text-soft);
  font-size: 0.98rem;
  max-width: 38rem;
}

/* Hero actions */

.hero-actions {
  margin-top: 1.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.btn {
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast),
    border-color var(--transition-fast), color var(--transition-fast);
}

.btn-primary {
  background: radial-gradient(circle at 0 0, #4f46e5, #1d4ed8);
  color: white;
  box-shadow: 0 18px 45px rgba(37, 99, 235, 0.45);
}

.btn-primary:hover {
  transform: translateY(-1px) translateZ(0);
  box-shadow: 0 24px 55px rgba(37, 99, 235, 0.6);
}

.btn-ghost {
  border: 1px solid rgba(148, 163, 184, 0.55);
  color: var(--text);
  background: rgba(15, 23, 42, 0.7);
}

.btn-ghost:hover {
  background: rgba(30, 64, 175, 0.45);
  border-color: rgba(129, 140, 248, 0.9);
}

.btn-full {
  width: 100%;
}

/* Hero meta */

.hero-meta {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.hero-meta-item {
  padding-top: 0.6rem;
  border-top: 1px solid rgba(148, 163, 184, 0.4);
}

.meta-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--text-soft);
  margin-bottom: 0.25rem;
}

.meta-value {
  font-size: 0.9rem;
}

/* Hero tags */

.hero-tags {
  margin-top: 1.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.hero-pill {
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(129, 140, 248, 0.7);
  font-size: 0.78rem;
  background: rgba(15, 23, 42, 0.98);
}

.hero-pill-soft {
  border-color: rgba(148, 163, 184, 0.7);
  background: rgba(15, 23, 42, 0.9);
}

/* Hero visual */

.hero-card {
  position: relative;
  padding: 1.6rem 1.6rem 1.9rem;
}

.glass {
  background: linear-gradient(to bottom right, rgba(15, 23, 42, 0.97), rgba(15, 23, 42, 0.9));
  border-radius: var(--radius-xl);
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.hero-avatar {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
}

.avatar-circle {
  width: 4.2rem;
  height: 4.2rem;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 0, #4f46e5, #0f172a);
  border: 2px solid rgba(129, 140, 248, 0.65);
  box-shadow: 0 0 25px rgba(79, 70, 229, 0.7);
  overflow: hidden;
}

.avatar-photo {
  width: 100%;
  height: 100%;
  border-radius: inherit;
  object-fit: cover;
}

.hero-card-body {
  text-align: center;
}

.hero-card-body h2 {
  margin: 0.2rem 0;
  font-size: 1.1rem;
}

.hero-card-body p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.hero-stats {
  margin-top: 1.3rem;
  display: grid;
  gap: 0.9rem;
}

.stat {
  padding: 0.7rem 0.9rem;
  border-radius: 1rem;
  background: radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.18), transparent),
    rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.45);
}

.stat-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--text-soft);
  margin-bottom: 0.15rem;
}

.stat-value {
  font-size: 0.9rem;
}

.hero-floating-tag {
  position: absolute;
  bottom: -0.9rem;
  right: 1.4rem;
  background: rgba(15, 23, 42, 0.95);
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  font-size: 0.8rem;
  border: 1px solid rgba(148, 163, 184, 0.6);
  box-shadow: var(--shadow-subtle);
}

/* Scroll indicator */

.scroll-indicator {
  text-align: center;
  margin-top: 4rem;
  font-size: 0.8rem;
  color: var(--text-soft);
  opacity: 0.8;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.scroll-line {
  width: 1px;
  height: 34px;
  background: linear-gradient(to bottom, rgba(148, 163, 184, 0.4), transparent);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 14px;
  background: var(--accent-secondary);
  top: -14px;
  left: 0;
  animation: scroll-line 1.3s infinite;
}

/* Section header */

.section-inner {
  position: relative;
}

.section-header {
  text-align: left;
  margin-bottom: 3.2rem;
}

.section-header h2 {
  font-size: 1.9rem;
  margin-bottom: 0.4rem;
}

.section-header p {
  margin: 0;
  color: var(--text-soft);
  max-width: 34rem;
}

/* About */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.4fr);
  gap: 2.5rem;
  align-items: flex-start;
}

.about-text p {
  margin: 0 0 1rem;
  color: var(--text-soft);
  font-size: 0.97rem;
}

.about-cards {
  display: grid;
  gap: 1.3rem;
}

.about-card {
  padding: 1.3rem 1.3rem;
}

.about-card h3 {
  margin: 0 0 0.7rem;
  font-size: 1rem;
}

.about-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.about-card li + li {
  margin-top: 0.3rem;
}

/* Links row */

.links-row {
  margin-top: 2.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
}

.text-link {
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  position: relative;
}

.text-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.1rem;
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, var(--accent), transparent);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform var(--transition);
}

.text-link:hover::after {
  transform: scaleX(1);
}

/* Skills */

.skills-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.3fr);
  gap: 2.5rem;
  align-items: flex-start;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
}

.skill-category h3 {
  margin: 0 0 0.7rem;
}

.skill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.55);
  font-size: 0.8rem;
  color: var(--text-soft);
  backdrop-filter: blur(12px);
}

/* Skill bars */

.skills-visual {
  padding: 1.4rem 1.5rem 1.6rem;
}

.skills-visual h3 {
  margin-top: 0;
  margin-bottom: 0.4rem;
}

.skills-visual p {
  margin-top: 0;
  margin-bottom: 1.1rem;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.skill-bar {
  margin-bottom: 1rem;
}

.skill-bar-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
  color: var(--text-soft);
}

.skill-bar-track {
  width: 100%;
  height: 7px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 1);
  border: 1px solid rgba(31, 41, 55, 0.8);
  overflow: hidden;
}

.skill-bar-inner {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(to right, var(--accent-secondary), var(--accent));
  box-shadow: 0 0 22px rgba(37, 99, 235, 0.7);
  transition: width 1.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Timeline */

.timeline {
  border-left: 1px solid rgba(148, 163, 184, 0.4);
  margin-left: 0.8rem;
  display: grid;
  gap: 1.8rem;
}

.timeline-item {
  position: relative;
  padding-left: 1.7rem;
}

.timeline-dot {
  position: absolute;
  left: -0.45rem;
  top: 0.35rem;
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 0, #4f46e5, #0ea5e9);
  box-shadow: 0 0 18px rgba(59, 130, 246, 0.9);
}

.timeline-content {
  padding: 1rem 1.1rem;
  border-radius: 1.1rem;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.timeline-content h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
}

.timeline-meta {
  display: block;
  font-size: 0.78rem;
  color: var(--text-soft);
  margin-bottom: 0.5rem;
}

.timeline-content p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.9rem;
}

/* Projects */

.projects-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.7rem;
}

.filter-btn {
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  background: rgba(15, 23, 42, 0.92);
  color: var(--text-soft);
  padding: 0.3rem 0.9rem;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast), transform var(--transition-fast);
}

.filter-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(129, 140, 248, 0.9);
}

.filter-btn.active {
  background: radial-gradient(circle at 0 0, var(--accent-soft), transparent 55%);
  color: var(--text);
  border-color: rgba(129, 140, 248, 0.9);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.7rem;
}

.project-card {
  padding: 1.3rem 1.3rem 1.4rem;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 0 0, var(--accent-soft), transparent 55%),
    rgba(15, 23, 42, 0.98);
  border: 1px solid rgba(148, 163, 184, 0.4);
  box-shadow: var(--shadow-subtle);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition),
    opacity 0.25s ease-out, visibility 0.25s ease-out;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 25px 70px rgba(15, 23, 42, 0.85);
  border-color: rgba(129, 140, 248, 0.9);
}

.project-card.hidden {
  opacity: 0;
  transform: translateY(10px);
  visibility: hidden;
}

.project-tag {
  display: inline-flex;
  font-size: 0.75rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  color: var(--text-soft);
  margin-bottom: 0.7rem;
}

.project-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.project-card p {
  margin: 0 0 0.7rem;
  font-size: 0.9rem;
  color: var(--text-soft);
}

.project-meta {
  margin: 0 0 0.9rem;
  padding-left: 1.1rem;
  font-size: 0.87rem;
  color: var(--text-soft);
}

.project-meta li + li {
  margin-top: 0.25rem;
}

.project-actions {
  display: flex;
  justify-content: flex-start;
}

/* Certifications */

.certs-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.6rem;
}

.cert-card {
  padding: 1.4rem 1.4rem;
}

.cert-card h3 {
  margin: 0 0 0.7rem;
}

.cert-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.cert-card li + li {
  margin-top: 0.3rem;
}

/* Contact */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.2fr);
  gap: 2.3rem;
}

.contact-info p {
  color: var(--text-soft);
  font-size: 0.95rem;
}

.contact-details p {
  margin: 0.25rem 0;
}

.contact-note {
  margin-top: 1.2rem;
}

.contact-form {
  padding: 1.4rem 1.4rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: rgba(15, 23, 42, 0.95);
  box-shadow: var(--shadow-subtle);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.form-group {
  margin-bottom: 1rem;
}

label {
  display: block;
  font-size: 0.8rem;
  margin-bottom: 0.25rem;
  color: var(--text-soft);
}

input,
textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: 0.9rem;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(15, 23, 42, 0.95);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

input:focus,
textarea:focus {
  border-color: rgba(129, 140, 248, 0.9);
  box-shadow: 0 0 0 1px rgba(129, 140, 248, 0.65);
  background: rgba(15, 23, 42, 1);
}

textarea {
  resize: vertical;
}

.form-status {
  margin-top: 0.7rem;
  font-size: 0.85rem;
  color: var(--text-soft);
}

/* Footer */

.footer {
  padding: 2.5rem 0 2.8rem;
  border-top: 1px solid rgba(148, 163, 184, 0.4);
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.96), rgba(2, 6, 23, 1));
}

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

.footer p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-soft);
}

.footer-sub {
  margin-top: 0.4rem;
}

/* Reveal animations */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
  will-change: opacity, transform;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-left {
  transform: translateX(32px);
}

.fade-left.visible {
  transform: translateX(0);
}

/* Tilt base */

.tilt {
  transform-style: preserve-3d;
  transition: transform 0.22s ease-out, box-shadow 0.22s ease-out;
}

/* Keyframes */

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

@keyframes caret-blink {
  0%,
  50% {
    opacity: 1;
  }
  50.1%,
  100% {
    opacity: 0;
  }
}

@keyframes scroll-line {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(34px);
  }
}

@keyframes float-blob {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(40px, -40px) scale(1.1);
  }
}

/* Responsive */

@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-visual {
    order: -1;
  }

  .about-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .skills-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .certs-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-orbit,
  .hero-orbit-secondary {
    display: none;
  }
}

@media (max-width: 768px) {
  body {
    cursor: auto;
  }

  .cursor-dot,
  .cursor-outline {
    display: none;
  }

  .header-inner {
    height: 4rem;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 4rem;
    right: 1.5rem;
    left: 1.5rem;
    flex-direction: column;
    padding: 0.8rem;
    border-radius: 1.3rem;
    background: rgba(15, 23, 42, 0.98);
    border: 1px solid rgba(148, 163, 184, 0.4);
    box-shadow: var(--shadow-subtle);
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
    transform: scaleY(1);
  }

  .nav-link {
    width: 100%;
    text-align: center;
    padding: 0.55rem 0.8rem;
  }

  .hero-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .projects-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .form-row {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 520px) {
  .hero-meta {
    grid-template-columns: minmax(0, 1fr);
  }

  .section {
    padding: 4.2rem 0;
  }
}