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

:root {
  --color-brand-dark: #0a1432;
  --color-brand-blue: #0a6ebd;
  --color-accent: #4fc3f7;
  --color-accent-hover: #81d4fa;
  --color-bg: #f5f7fa;
  --color-text: #1a1a2e;
  --color-text-muted: #5a6a80;
  --color-text-subtle: #8a9ab0;
  --color-border: #e0e7ef;
  --color-white: #fff;
  --color-hero-lead: #cfe8ff;
  --color-nav-bg: rgba(10, 20, 50, 0.88);

  --card-min-width: 280px;
  --radius-card: 14px;
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 12px 32px rgba(0, 0, 0, 0.14);
  --transition-default: 0.25s ease;
}

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 64px;
  background: var(--color-nav-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav__logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.nav__logo span {
  color: var(--color-accent);
}

.nav__links {
  list-style: none;
  display: flex;
  gap: 1.8rem;
  align-items: center;
}

.nav__links a {
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition-default);
}

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

/* ── Hero ── */
.hero {
  position: relative;
  height: 100vh;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background: var(--color-brand-dark);
}

/* Animated gradient mesh behind canvas */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 40%, rgba(10, 110, 189, 0.55) 0%, transparent 65%),
    radial-gradient(ellipse 60% 80% at 80% 60%, rgba(79, 195, 247, 0.35) 0%, transparent 65%),
    radial-gradient(ellipse 70% 50% at 50% 10%, rgba(6, 30, 80, 0.8) 0%, transparent 70%);
  animation: heroGlow 12s ease-in-out infinite alternate;
  z-index: 0;
}

@keyframes heroGlow {
  0%   { opacity: 1; transform: scale(1);   }
  50%  { opacity: 0.8; transform: scale(1.04); }
  100% { opacity: 1; transform: scale(1);   }
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding: 0 1.5rem;
  max-width: 760px;
  animation: fadeInUp 0.9s ease both;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__badge {
  display: inline-block;
  padding: 0.35rem 1.1rem;
  border-radius: 50px;
  background: rgba(79, 195, 247, 0.18);
  border: 1px solid rgba(79, 195, 247, 0.4);
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 1.4rem;
  animation: fadeInUp 0.7s 0.1s ease both;
}

.hero__title {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 1rem;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
  animation: fadeInUp 0.8s 0.2s ease both;
}

.hero__title-highlight {
  color: var(--color-accent);
}

.typewriter-cursor {
  display: inline-block;
  color: var(--color-accent);
  font-weight: 300;
  animation: blink 1s step-end infinite;
  margin-left: 1px;
}

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

.hero__lead {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--color-hero-lead);
  margin-bottom: 2.2rem;
  line-height: 1.7;
  animation: fadeInUp 0.8s 0.35s ease both;
}

.hero__ctas {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s 0.5s ease both;
}

/* ── Button ── */
.btn {
  display: inline-block;
  padding: 0.75rem 2.2rem;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  background: var(--color-accent);
  color: var(--color-brand-dark);
  transition: background var(--transition-default), transform var(--transition-default), box-shadow var(--transition-default);
  box-shadow: 0 4px 18px rgba(79, 195, 247, 0.35);
}

.btn:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(79, 195, 247, 0.5);
}

.btn--ghost {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.4);
  box-shadow: none;
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
  box-shadow: none;
}

/* Scroll hint arrow */
.hero__scroll-hint {
  position: absolute;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.hero__scroll-arrow {
  display: block;
  width: 26px;
  height: 26px;
  border-right: 3px solid rgba(255, 255, 255, 0.5);
  border-bottom: 3px solid rgba(255, 255, 255, 0.5);
  transform: rotate(45deg);
  animation: scrollBounce 1.8s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: rotate(45deg) translate(0, 0); opacity: 0.5; }
  50%       { transform: rotate(45deg) translate(5px, 5px); opacity: 1; }
}

/* ── Section shared ── */
.section-title {
  text-align: center;
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--color-brand-dark);
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 3rem;
}

/* ── Services section ── */
.services {
  background: var(--color-white);
  padding: 5rem 1.5rem 4.5rem;
}

.services__inner {
  max-width: 1100px;
  margin: 0 auto;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.75rem;
}

.service-card {
  background: var(--color-bg);
  border-radius: var(--radius-card);
  padding: 2rem 1.6rem 1.8rem;
  border: 1px solid var(--color-border);
  transition: transform var(--transition-default), box-shadow var(--transition-default), border-color var(--transition-default);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(79, 195, 247, 0.07) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-default);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(79, 195, 247, 0.4);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card__icon {
  font-size: 2.6rem;
  margin-bottom: 1rem;
  display: block;
  animation: floatIcon 4s ease-in-out infinite;
  transform-origin: center;
}

/* Each card gets a slightly different float phase */
.service-card:nth-child(2) .service-card__icon { animation-delay: -1s; }
.service-card:nth-child(3) .service-card__icon { animation-delay: -2s; }
.service-card:nth-child(4) .service-card__icon { animation-delay: -3s; }

@keyframes floatIcon {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

.service-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-brand-dark);
  margin-bottom: 0.7rem;
}

.service-card__desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 1.2rem;
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
}

.service-card__tags li {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.7rem;
  border-radius: 50px;
  background: rgba(10, 110, 189, 0.1);
  color: var(--color-brand-blue);
  letter-spacing: 0.03em;
}

/* ── Projects section ── */
.projects {
  max-width: 1100px;
  margin: 0 auto;
  padding: 5rem 1.5rem 4rem;
}

/* ── Grid ── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--card-min-width), 1fr));
  gap: 1.75rem;
}

/* ── Card ── */
.card {
  background: var(--color-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--transition-default), box-shadow var(--transition-default);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.card:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.card__accent {
  height: 6px;
  background: linear-gradient(90deg, var(--color-brand-blue), var(--color-accent));
}

/* ── Card preview (screenshot thumbnail) ── */
.card__preview {
  position: relative;
  height: 180px;
  overflow: hidden;
  background: var(--color-bg);
}

.card__preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: transform 0.4s ease;
}

.card:hover .card__preview-img {
  transform: scale(1.04);
}

.card__preview-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  font-size: 2.5rem;
  color: var(--color-border);
  background: linear-gradient(135deg, #f0f4f8, #dce6f0);
}

.card__preview-note {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.3rem 0.6rem;
  font-size: 0.7rem;
  color: var(--color-text-subtle);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  text-align: center;
  opacity: 0;
  transition: opacity var(--transition-default);
}

.card:hover .card__preview-note {
  opacity: 1;
}

/* ── Card body ── */
.card__body {
  padding: 1.2rem 1.4rem 1.4rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.card__domain {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-brand-dark);
}

.card__url {
  font-size: 0.85rem;
  color: var(--color-brand-blue);
}

.card__arrow {
  margin-top: auto;
  padding-top: 0.8rem;
  font-size: 1.2rem;
  color: var(--color-accent);
  align-self: flex-end;
  transition: transform var(--transition-default);
}

.card:hover .card__arrow {
  transform: translateX(4px);
}

/* ── CTA band ── */
.cta-band {
  background: linear-gradient(135deg, var(--color-brand-dark), #0d3060);
  padding: 3rem 1.5rem;
}

.cta-band__inner {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  text-align: center;
}

.cta-band__emoji {
  font-size: 2.2rem;
  flex-shrink: 0;
  animation: wiggle 3s ease-in-out infinite;
}

@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  20%       { transform: rotate(-10deg); }
  40%       { transform: rotate(10deg); }
  60%       { transform: rotate(-5deg); }
  80%       { transform: rotate(5deg); }
}

.cta-band__text {
  font-size: 1.1rem;
  color: var(--color-hero-lead);
  flex: 1;
  min-width: 200px;
}

/* ── Footer ── */
.footer {
  text-align: center;
  padding: 2rem 1.5rem;
  font-size: 0.9rem;
  color: var(--color-text-subtle);
  border-top: 1px solid var(--color-border);
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: 1.8rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.footer__links a,
.footer a {
  color: var(--color-brand-blue);
  text-decoration: none;
}

.footer__links a:hover,
.footer a:hover {
  text-decoration: underline;
}

/* ── Scroll-reveal utility ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ── Accessibility: reduce motion ── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ── Blog page styles ── */
.blog-hero {
  padding: 7rem 1.5rem 4rem;
  background: var(--color-brand-dark);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.blog-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 30% 50%, rgba(10, 110, 189, 0.45) 0%, transparent 70%),
    radial-gradient(ellipse 50% 70% at 75% 40%, rgba(79, 195, 247, 0.25) 0%, transparent 70%);
  animation: heroGlow 10s ease-in-out infinite alternate;
}

.blog-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}

.blog-hero__badge {
  display: inline-block;
  padding: 0.35rem 1.1rem;
  border-radius: 50px;
  background: rgba(79, 195, 247, 0.18);
  border: 1px solid rgba(79, 195, 247, 0.4);
  color: var(--color-accent);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 1.2rem;
}

.blog-hero__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 1rem;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
}

.blog-hero__subtitle {
  font-size: 1.05rem;
  color: var(--color-hero-lead);
  line-height: 1.7;
}

/* Blog grid */
.blog-section {
  max-width: 1000px;
  margin: 0 auto;
  padding: 4rem 1.5rem 5rem;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 2rem;
}

.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-default), box-shadow var(--transition-default);
  text-decoration: none;
  color: inherit;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.blog-card:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.blog-card__cover {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}

.blog-card__cover-emoji {
  animation: floatIcon 5s ease-in-out infinite;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.15));
}

.blog-card__body {
  padding: 1.4rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.blog-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  margin-bottom: 0.3rem;
}

.blog-card__tag {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.22rem 0.65rem;
  border-radius: 50px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tag--blue   { background: rgba(10, 110, 189, 0.12); color: #0a6ebd; }
.tag--green  { background: rgba(17, 153, 142, 0.12); color: #0d8c85; }
.tag--orange { background: rgba(230, 92, 0, 0.12);   color: #c25200; }
.tag--purple { background: rgba(106, 48, 147, 0.12); color: #6a3093; }
.tag--pink   { background: rgba(200, 40, 100, 0.12); color: #b02060; }

.blog-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-brand-dark);
  line-height: 1.35;
}

.blog-card__excerpt {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
}

.blog-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.8rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-subtle);
}

.blog-card__read-more {
  color: var(--color-brand-blue);
  font-weight: 600;
  white-space: nowrap;
}

/* Blog post full styles */
.blog-post {
  max-width: 720px;
  margin: 0 auto;
  padding: 6rem 1.5rem 5rem;
}

.blog-post__header {
  margin-bottom: 2.5rem;
}

.blog-post__back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-brand-blue);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  transition: gap var(--transition-default);
}

.blog-post__back:hover {
  gap: 0.7rem;
}

.blog-post__cover-emoji {
  font-size: 4rem;
  display: block;
  margin-bottom: 1.2rem;
  animation: floatIcon 5s ease-in-out infinite;
}

.blog-post__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  margin-bottom: 0.8rem;
}

.blog-post__title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--color-brand-dark);
  line-height: 1.2;
  margin-bottom: 0.8rem;
}

.blog-post__meta {
  font-size: 0.9rem;
  color: var(--color-text-subtle);
}

.blog-post__content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text);
}

.blog-post__content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-brand-dark);
  margin: 2.2rem 0 0.8rem;
}

.blog-post__content p {
  margin-bottom: 1.2rem;
}

.blog-post__content ul,
.blog-post__content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.2rem;
}

.blog-post__content li {
  margin-bottom: 0.4rem;
}

.blog-post__content code {
  background: rgba(10, 110, 189, 0.08);
  color: var(--color-brand-blue);
  padding: 0.15em 0.5em;
  border-radius: 5px;
  font-size: 0.92em;
  font-family: 'Consolas', 'Courier New', monospace;
}

.blog-post__content blockquote {
  border-left: 4px solid var(--color-accent);
  padding: 0.8rem 1.2rem;
  margin: 1.5rem 0;
  background: rgba(79, 195, 247, 0.07);
  border-radius: 0 8px 8px 0;
  color: var(--color-text-muted);
  font-style: italic;
}

/* Coming soon card */
.blog-card--coming {
  opacity: 0.6;
  cursor: default;
  pointer-events: none;
}

.blog-card--coming:hover {
  transform: none;
  box-shadow: var(--shadow-card);
}

.coming-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--color-brand-dark);
  color: var(--color-accent);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 50px;
  letter-spacing: 0.06em;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .nav {
    padding: 0 1rem;
  }

  .nav__logo {
    font-size: 1.1rem;
  }

  .nav__links {
    gap: 0.75rem;
  }

  .nav__links a {
    font-size: 0.85rem;
  }

  .hero__ctas {
    flex-direction: column;
    align-items: center;
  }

  .cta-band__inner {
    flex-direction: column;
    gap: 1rem;
  }

  .footer__links {
    gap: 1rem;
  }
}