/* === Variables & Theming === */
:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", Menlo, Consolas, monospace;
  --max-width: 60rem;
  --space: 1.5rem;
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover { text-decoration: underline; }

/* === Focus === */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* === Skip Link === */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--color-accent);
  color: var(--color-on-accent);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  z-index: 100;
}

.skip-link:focus { top: 1rem; }

/* === Layout === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space);
}

/* === Header (Glassmorphism) === */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  font-size: 1.125rem;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--color-text);
  transition: opacity 0.2s ease, filter 0.3s ease;
}

.logo:hover {
  text-decoration: none;
  filter: drop-shadow(0 0 8px var(--color-glow));
}

.logo-img {
  width: clamp(38px, 5vw, 52px);
  height: auto;
  display: block;
  object-fit: contain;
  transition: filter 0.3s ease;
  animation: logo-fade-in 0.8s ease-out;
}

@keyframes logo-fade-in {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.925rem;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--color-text);
  text-decoration: none;
}

/* === Buttons === */
.btn {
  display: inline-block;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.3s ease, transform 0.2s ease;
}

.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-end));
  color: var(--color-on-accent);
  border: none;
}

.btn-primary:hover {
  box-shadow: 0 6px 32px var(--shadow-colored-hover);
}

.btn-glow {
  position: relative;
}

.btn-glow::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-end));
  opacity: 0;
  z-index: -1;
  filter: blur(20px);
  transition: opacity 0.3s ease;
}

.btn-glow:hover::after {
  opacity: 0.6;
}

/* Subtle shimmer animation on primary CTA */
@keyframes btn-shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.hero .btn-glow {
  background-size: 200% auto;
  animation: btn-shimmer 7s linear infinite;
  background-image: linear-gradient(
    90deg,
    var(--color-accent) 0%,
    var(--color-accent-end) 45%,
    var(--color-accent) 100%
  );
}

.btn-primary:focus-visible {
  box-shadow: 0 0 0 3px var(--color-glow);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-end));
  color: var(--color-on-accent);
  border-color: transparent;
  box-shadow: 0 6px 32px var(--shadow-colored-hover);
}

.btn-secondary:focus-visible {
  box-shadow: 0 0 0 3px var(--color-glow);
}

/* === Hero === */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(70,74,208,0.08), rgba(21,169,154,0.06));
}

/* Static gradient mesh background – bold blobs */
.hero-mesh {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 70% at 15% 35%, var(--hero-mesh-1), transparent),
    radial-gradient(ellipse 70% 90% at 85% 65%, var(--hero-mesh-2), transparent),
    radial-gradient(ellipse 60% 60% at 50% 15%, var(--hero-mesh-3), transparent),
    radial-gradient(ellipse 50% 40% at 70% 20%, rgba(70, 74, 208, 0.18), transparent),
    radial-gradient(ellipse 40% 50% at 30% 80%, rgba(21, 169, 154, 0.15), transparent);
  z-index: 0;
}

/* CSS dot-grid overlay */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--hero-grid-dot) 1px, transparent 1px);
  background-size: 32px 32px;
  z-index: 1;
}

/* Animated floating light orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  will-change: transform;
}

.hero-orb--1 {
  width: 70vmax;
  height: 70vmax;
  top: -15%;
  left: -10%;
  background: radial-gradient(circle, rgba(70,74,208,0.25), transparent 65%);
  filter: blur(60px);
  animation: orb-drift-1 25s ease-in-out infinite;
}

.hero-orb--2 {
  width: 60vmax;
  height: 60vmax;
  bottom: -10%;
  right: -8%;
  background: radial-gradient(circle, rgba(21,169,154,0.20), transparent 65%);
  filter: blur(50px);
  animation: orb-drift-2 30s ease-in-out infinite;
}

.hero-orb--3 {
  width: 55vmax;
  height: 55vmax;
  top: 10%;
  left: 25%;
  background: radial-gradient(circle, rgba(53,75,107,0.18), transparent 65%);
  filter: blur(45px);
  animation: orb-drift-3 22s ease-in-out infinite;
}

@keyframes orb-drift-1 {
  0%, 100% { transform: translate(0, 0); }
  25%      { transform: translate(15vw, 10vh); }
  50%      { transform: translate(5vw, 20vh); }
  75%      { transform: translate(-10vw, 12vh); }
}

@keyframes orb-drift-2 {
  0%, 100% { transform: translate(0, 0); }
  25%      { transform: translate(-12vw, -8vh); }
  50%      { transform: translate(-18vw, -15vh); }
  75%      { transform: translate(-8vw, -20vh); }
}

@keyframes orb-drift-3 {
  0%, 100% { transform: translate(0, 0); }
  33%      { transform: translate(10vw, -12vh); }
  66%      { transform: translate(-10vw, 8vh); }
}

.hero-content {
  position: relative;
  z-index: 2;
}


.hero-logo-img {
  cursor: pointer;
  width: clamp(200px, 34vw, 380px);
  height: auto;
  display: block;
  margin: 0 auto 1.2rem;
  object-fit: contain;
}

@keyframes anvil-shake {
  0%   { transform: translate(0, 0) rotate(0); }
  15%  { transform: translate(-4px, 2px) rotate(-1.5deg); }
  30%  { transform: translate(3px, -2px) rotate(1deg); }
  45%  { transform: translate(-2px, 1px) rotate(-0.5deg); }
  60%  { transform: translate(2px, -1px) rotate(0.8deg); }
  75%  { transform: translate(-1px, 1px) rotate(-0.3deg); }
  100% { transform: translate(0, 0) rotate(0); }
}

.hero-logo-img.shaking {
  animation: anvil-shake 0.5s ease-out;
}

.anvil-spark {
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  pointer-events: none;
  will-change: transform, opacity;
  z-index: 10;
}

.hero h1 {
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 2.5rem;
  letter-spacing: -0.02em;
}

.hero-title-muted {
  color: var(--color-text-muted);
  opacity: 0.88;
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-end));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  max-width: 36rem;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

/* === Sections === */
.section {
  position: relative;
  padding: 5rem 0;
  scroll-margin-top: 4rem;
}

/* Gradient divider between sections */
.section::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), var(--color-accent-end), transparent);
}

.section:last-of-type::after {
  display: none;
}

.section h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.section p + p {
  margin-top: 0.75rem;
}

/* === Tinted Section (Projects) === */
.section-tinted {
  background: var(--section-alt-bg);
}

/* === Accent Section (About) — full gradient bg with white text === */
.section-accent {
  background: linear-gradient(135deg, var(--indigo), var(--teal));
  color: var(--paper);
}

.section-accent h2,
.section-accent p {
  color: var(--paper);
}

.section-accent::after {
  display: none;
}

/* === Services (Glass Cards) === */
.services-list {
  list-style: none;
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

@media (min-width: 640px) {
  .services-list { grid-template-columns: repeat(3, 1fr); }
}

.service-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  box-shadow: 0 2px 12px var(--shadow-colored);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  border-radius: 12px 0 0 12px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-accent-end));
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--shadow-colored-hover);
}

.service-icon {
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.services-list h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.services-list p {
  color: var(--color-text-muted);
  font-size: 0.925rem;
  line-height: 1.6;
}

/* === Project Sections === */
.project-section {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--color-border);
  border-left: 4px solid transparent;
  border-image: linear-gradient(180deg, var(--color-accent), var(--color-accent-end)) 1;
  border-image-slice: 1;
  border-radius: 12px;
  padding: 2.5rem 2rem;
  margin-top: 2rem;
  box-shadow: 0 2px 16px var(--shadow-colored);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}

/* Use a pseudo-element for the left gradient border since border-image breaks border-radius */
.project-section {
  border-left: none;
  border-image: none;
}

.project-section::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-accent-end));
}

.project-section:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--shadow-colored-hover);
}

.project-section-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.project-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  flex-shrink: 0;
}

.project-section-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

.project-links {
  margin-left: auto;
}

.project-links a {
  color: var(--color-text-muted);
  transition: color 0.2s ease;
}

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

.project-tagline {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.project-body {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .project-body {
    grid-template-columns: 3fr 2fr;
  }
}

.project-description p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

.project-features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.project-features li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.project-features li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tag {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  white-space: nowrap;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: var(--color-surface);
}

.status-tag {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  white-space: nowrap;
  border: 1px solid;
}

.status-released {
  color: var(--status-released-fg);
  border-color: var(--status-released-border);
  background: var(--status-released-bg);
}

.status-in-progress {
  color: var(--status-in-progress-fg);
  border-color: var(--status-in-progress-border);
  background: var(--status-in-progress-bg);
}

.status-exploring {
  color: var(--status-exploring-fg);
  border-color: var(--status-exploring-border);
  background: var(--status-exploring-bg);
}

/* === Contact Form === */
.contact-form {
  max-width: 32rem;
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-optional {
  font-weight: 400;
  color: var(--color-text-muted);
}

.form-group input,
.form-group textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.625rem 0.75rem;
  background: var(--paper);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

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

.form-group textarea {
  resize: vertical;
  min-height: 6rem;
}

.form-hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.form-status {
  font-size: 0.925rem;
  min-height: 1.5rem;
}

.form-status.success {
  color: var(--color-accent);
}

.form-status.error {
  color: #e55;
}

/* === Footer === */
.footer {
  position: relative;
  padding: 2.5rem 0;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-top: 2rem;
  background: rgba(70, 74, 208, 0.03);
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), var(--color-accent-end), transparent);
}


/* === Responsive === */
@media (max-width: 768px) {
  .nav-links { gap: 1rem; font-size: 0.875rem; }
}

@media (max-width: 480px) {
  .logo span { display: none; }
  .header-inner { justify-content: center; }
  .nav-links { gap: 1rem; font-size: 0.85rem; }
  .hero h1 { font-size: clamp(1.75rem, 8vw, 2.5rem); }
  .hero-logo-img { width: clamp(180px, 68vw, 260px); }
  .section { padding: 3rem 0; }
  .service-card { padding: 1.5rem 1.25rem; }
}