/* ============================================================
   NeonStack19 — style.css
   Palette: White #FFFFFF | Section #F9FAFB | Accent #7C3AED
   Fonts: Sora (headings) | Inter (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

/* ── CSS Variables ── */
:root {
  --white:    #FFFFFF;
  --bg-alt:   #F9FAFB;
  --purple:   #7C3AED;
  --purple-d: #6D28D9;
  --purple-l: #EDE9FE;
  --gray-50:  #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-400: #9CA3AF;
  --gray-600: #4B5563;
  --gray-800: #1F2937;
  --gray-900: #111827;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 16px rgba(124,58,237,.12);
  --shadow-lg: 0 10px 40px rgba(124,58,237,.18);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --transition: .25s cubic-bezier(.4,0,.2,1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── Typography ── */
h1,h2,h3,h4,h5 { font-family: 'Sora', sans-serif; line-height: 1.25; color: var(--gray-900); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); font-weight: 700; }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); font-weight: 600; }
p  { color: var(--gray-600); }

/* ── Layout helpers ── */
.container { max-width: 1180px; margin-inline: auto; padding-inline: 1.5rem; }
.section    { padding-block: 5rem; }
.section-alt{ background: var(--bg-alt); }
.badge {
  display: inline-block;
  background: var(--purple-l);
  color: var(--purple);
  font-family: 'Sora', sans-serif;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .35rem .9rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}
.section-header { text-align: center; max-width: 700px; margin-inline: auto; margin-bottom: 3.5rem; }
.section-header p { margin-top: .75rem; font-size: 1.05rem; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: 'Sora', sans-serif;
  font-size: .95rem;
  font-weight: 600;
  padding: .8rem 1.75rem;
  border-radius: 100px;
  cursor: pointer;
  border: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.btn-primary {
  background: var(--purple);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--purple-d);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn-outline {
  background: transparent;
  color: var(--purple);
  border: 2px solid var(--purple);
}
.btn-outline:hover {
  background: var(--purple);
  color: var(--white);
  transform: translateY(-2px);
}
.btn-white {
  background: var(--white);
  color: var(--purple);
}
.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
}

/* ── Navbar ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--gray-900);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--gray-100);
  transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,.08); }
.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.navbar__logo {
  font-family: 'Sora', sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--gray-900);
  width: 250px;
}
.navbar__logo span { color: var(--purple); }
.navbar__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.navbar__links a {
  font-size: .9rem;
  font-weight: 500;
  color: white;
  transition: color var(--transition);
  position: relative;
}
.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 2px;
  background: var(--purple);
  border-radius: 2px;
  transition: width var(--transition);
}
.navbar__links a:hover,
.navbar__links a.active { color: var(--purple); }
.navbar__links a:hover::after { width: 100%; }
.navbar__cta { margin-left: 1rem; }
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.navbar__hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--gray-800);
  border-radius: 2px;
  transition: all var(--transition);
}
.navbar__hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.navbar__hamburger.open span:nth-child(2) { opacity: 0; }
.navbar__hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ── Hero ── */
.hero {
  padding-top: 9rem;
  padding-bottom: 5rem;
  background: var(--gray-900);
  position: relative;
  overflow: hidden;
}
.hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(17,24,39,.88) 0%, rgba(17,24,39,.62) 48%, rgba(17,24,39,.32) 100%);
  pointer-events: none;
  z-index: 1;
}
.hero::after {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(124,58,237,.22) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero__content .badge { margin-bottom: 1.25rem; }
.hero__content h1 { color: var(--white); margin-bottom: 1.25rem; }
.hero__content p  { color: rgba(255,255,255,.84); font-size: 1.1rem; margin-bottom: 2rem; max-width: 520px; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero .btn-outline {
  color: var(--white);
  border-color: rgba(255,255,255,.82);
}
.hero .btn-outline:hover {
  background: var(--white);
  color: var(--purple);
}
.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero__blob {
  width: 420px; height: 420px;
  background: linear-gradient(135deg, var(--purple-l) 0%, rgba(124,58,237,.2) 100%);
  border-radius: 60% 40% 55% 45% / 50% 60% 40% 50%;
  animation: morphBlob 8s ease-in-out infinite;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__blob-inner {
  width: 280px; height: 280px;
  background: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
}
.hero__icon { font-size: 5rem; }
@keyframes morphBlob {
  0%,100% { border-radius: 60% 40% 55% 45% / 50% 60% 40% 50%; }
  33%      { border-radius: 45% 55% 40% 60% / 60% 40% 55% 45%; }
  66%      { border-radius: 55% 45% 60% 40% / 40% 55% 45% 60%; }
}

/* ── Stats bar ── */
.stats-bar {
  background: var(--purple);
  padding: 2.5rem 0;
}
.stats-bar__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.stat__num {
  font-family: 'Sora', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--white);
}
.stat__label {
  color: rgba(255,255,255,.75);
  font-size: .9rem;
  margin-top: .25rem;
}

/* ── Cards ── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--purple);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--purple-l); }
.card:hover::before { transform: scaleX(1); }
.card__icon {
  width: 52px; height: 52px;
  background: var(--purple-l);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}
.card h3 { margin-bottom: .6rem; }
.card p  { font-size: .92rem; }

/* ── Portfolio grid ── */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
}
.portfolio-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: transform var(--transition), box-shadow var(--transition);
}
.portfolio-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.portfolio-card__thumb {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}
.portfolio-card__body { padding: 1.5rem; background: var(--white); }
.portfolio-card__tag {
  font-size: .75rem;
  font-weight: 600;
  color: var(--purple);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: .5rem;
}
.portfolio-card__body h3 { margin-bottom: .4rem; }

/* ── Process steps ── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  counter-reset: steps;
}
.step {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}
.step:hover { box-shadow: var(--shadow-md); }
.step__num {
  width: 48px; height: 48px;
  background: var(--purple);
  color: var(--white);
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.25rem;
}
.step h3 { margin-bottom: .5rem; }

/* ── Testimonials ── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}
.testimonial {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: box-shadow var(--transition);
}
.testimonial:hover { box-shadow: var(--shadow-md); }
.testimonial__stars { color: #F59E0B; font-size: 1.1rem; margin-bottom: 1rem; }
.testimonial__text { font-style: italic; margin-bottom: 1.25rem; font-size: .95rem; }
.testimonial__author { font-weight: 600; font-family: 'Sora', sans-serif; font-size: .9rem; }
.testimonial__role { font-size: .82rem; color: var(--gray-400); }

/* ── FAQ ── */
.faq-list { max-width: 760px; margin-inline: auto; }
.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  overflow: hidden;
}
.faq-question {
  width: 100%;
  text-align: left;
  background: var(--white);
  border: none;
  cursor: pointer;
  padding: 1.25rem 1.5rem;
  font-family: 'Sora', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition);
}
.faq-question:hover { background: var(--gray-50); }
.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--purple);
  transition: transform var(--transition);
}
.faq-item.open .faq-question::after { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s ease;
  padding: 0 1.5rem;
  font-size: .95rem;
}
.faq-item.open .faq-answer {
  max-height: 400px;
  padding: 0 1.5rem 1.25rem;
}

/* ── CTA Banner ── */
.cta-banner {
  background: var(--purple);
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 280px; height: 280px;
  background: rgba(255,255,255,.06);
  border-radius: 50%;
}
.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -40px;
  width: 220px; height: 220px;
  background: rgba(255,255,255,.05);
  border-radius: 50%;
}
.cta-banner__inner { text-align: center; position: relative; z-index: 1; }
.cta-banner__inner h2 { color: var(--white); margin-bottom: 1rem; }
.cta-banner__inner p  { color: rgba(255,255,255,.8); font-size: 1.05rem; margin-bottom: 2rem; max-width: 560px; margin-inline: auto; margin-bottom: 2rem; }
.cta-banner__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,.5);
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: 'Sora', sans-serif;
  font-size: .95rem;
  font-weight: 600;
  padding: .8rem 1.75rem;
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-ghost:hover { border-color: var(--white); background: rgba(255,255,255,.1); }

/* ── Footer ── */
.footer {
  background: var(--gray-900);
  color: rgba(255,255,255,.7);
  padding: 4rem 0 2rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer__brand-name {
  font-family: 'Sora', sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: .75rem;
}
.footer__brand-name span { color: var(--purple); }
.footer__brand p { font-size: .9rem; margin-bottom: 1.5rem; }
.footer__social { display: flex; gap: .75rem; }
.footer__social a {
  width: 38px; height: 38px;
  background: rgba(255,255,255,.08);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: background var(--transition);
}
.footer__social a:hover { background: var(--purple); }
.footer__col h4 {
  font-family: 'Sora', sans-serif;
  font-size: .9rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.footer__col ul li { margin-bottom: .6rem; }
.footer__col ul li a {
  font-size: .88rem;
  color: rgba(255,255,255,.6);
  transition: color var(--transition);
}
.footer__col ul li a:hover { color: var(--white); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer__bottom p { font-size: .85rem; }

/* ── Page hero (inner pages) ── */
.page-hero {
  padding-top: 9rem;
  padding-bottom: 4rem;
  background: linear-gradient(135deg, var(--gray-900) 0%, #2D1B69 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(124,58,237,.3) 0%, transparent 70%);
  border-radius: 50%;
}
.page-hero h1 { color: var(--white); }
.page-hero p  { color: rgba(255,255,255,.75); font-size: 1.1rem; margin-top: .75rem; max-width: 600px; margin-inline: auto; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: .5rem;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: .85rem;
  color: rgba(255,255,255,.6);
}
.breadcrumb a { color: rgba(255,255,255,.6); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { color: rgba(255,255,255,.4); }

/* ── About page ── */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}
.team-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition);
}
.team-card:hover { box-shadow: var(--shadow-md); }
.team-card__avatar {
  width: 80px; height: 80px;
  background: var(--purple-l);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 1.25rem;
}
.team-card h3 { margin-bottom: .25rem; }
.team-card .role { color: var(--purple); font-size: .85rem; font-weight: 500; }

/* ── Contact page ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: start;
}
.contact-info__item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.75rem;
}
.contact-info__icon {
  width: 48px; height: 48px;
  background: var(--purple-l);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.contact-info__text h4 {
  font-family: 'Sora', sans-serif;
  font-size: .95rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: .2rem;
}
.contact-info__text p { font-size: .9rem; }
.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: .5rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: .75rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: .95rem;
  color: var(--gray-800);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(124,58,237,.1);
}
.form-group textarea { resize: vertical; min-height: 130px; }

/* ── Services page tabs ── */
.services-tabs { display: flex; gap: .75rem; flex-wrap: wrap; justify-content: center; margin-bottom: 3rem; }
.tab-btn {
  padding: .6rem 1.4rem;
  border-radius: 100px;
  border: 1.5px solid var(--gray-200);
  background: var(--white);
  color: var(--gray-600);
  font-family: 'Sora', sans-serif;
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.tab-btn:hover,
.tab-btn.active {
  background: var(--purple);
  border-color: var(--purple);
  color: var(--white);
}

/* ── Tech logos ── */
.tech-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 2.5rem;
}
.tech-badge {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: .5rem 1.2rem;
  font-size: .85rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: all var(--transition);
}
.tech-badge:hover {
  border-color: var(--purple);
  color: var(--purple);
}

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ── Floating Icons (Hero Visual) ── */
.float-icon {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  background: #ffffff;
  border-radius: 14px;
  font-size: 1.5rem;
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.14), 0 2px 8px rgba(0,0,0,0.07);
  border: 1px solid rgba(124, 58, 237, 0.12);
  animation: floatBob 3s ease-in-out infinite;
  cursor: default;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  z-index: 10;
}

.float-icon:hover {
  transform: scale(1.22) translateY(-5px) !important;
  box-shadow: 0 18px 40px rgba(124, 58, 237, 0.28);
  animation-play-state: paused;
}

.float-icon::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 18px;
  border: 2px solid rgba(124, 58, 237, 0.18);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.float-icon:hover::after { opacity: 1; }

/* Positions — spread evenly around the blob */
.float-icon--1 { top: 4%;    left: 14%;  animation-delay: 0s;    animation-duration: 3.2s; }
.float-icon--2 { top: 8%;    right: 6%;  animation-delay: 0.4s;  animation-duration: 2.8s; }
.float-icon--3 { top: 38%;   right: -2%; animation-delay: 0.8s;  animation-duration: 3.5s; }
.float-icon--4 { bottom: 26%;right: 4%;  animation-delay: 1.2s;  animation-duration: 3.0s; }
.float-icon--5 { bottom: 4%; right: 16%; animation-delay: 0.2s;  animation-duration: 2.6s; }
.float-icon--6 { bottom: 2%; left: 18%;  animation-delay: 1.0s;  animation-duration: 3.3s; }
.float-icon--7 { bottom: 28%;left: 0%;   animation-delay: 0.6s;  animation-duration: 2.9s; }
.float-icon--8 { top: 38%;   left: 6%;   animation-delay: 1.4s;  animation-duration: 3.1s; }

@keyframes floatBob {
  0%, 100% { transform: translateY(0px);    }
  50%       { transform: translateY(-10px); }
}

/* ── Mobile ── */
@media (max-width: 900px) {
  .navbar__links, .navbar__cta { display: none; }
  .navbar__hamburger { display: flex; }
  .navbar__links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--gray-900);
    padding: 1.5rem;
    border-bottom: 1px solid var(--gray-100);
    gap: 1.25rem;
    box-shadow: 0 8px 24px rgba(0,0,0,.08);
    z-index: 999;
  }
  .navbar__links.open a {
    color: var(--white);
  }
  .navbar__cta.open {
    display: flex;
    position: fixed;
    top: 280px;
    left: 1.5rem;
    right: 1.5rem;
    justify-content: center;
    z-index: 999;
  }
  .hero__inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero__visual { display: none; }
  .stats-bar__grid { grid-template-columns: repeat(2,1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .stats-bar__grid { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .hero { padding-top: 7rem; }
}

/* ── WhatsApp Floating Button ── */
.whatsapp-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  text-decoration: none;
  color: var(--white);
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  transition: all var(--transition);
  z-index: 999;
  cursor: pointer;
  border: none;
  line-height: 1;
}
.whatsapp-btn:hover {
  background: #1ea853;
  transform: scale(1.1);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.5);
}
.whatsapp-btn:active {
  transform: scale(0.95);
}

/* ── Utility ── */
.text-center { text-align: center; }
.text-purple { color: var(--purple); }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-3 { margin-bottom: 1.5rem; }
.fw-600 { font-weight: 600; }
.highlight { color: var(--purple); }

/* ── Responsive Grid Utilities ── */
.responsive-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
@media (max-width: 900px) {
  .responsive-grid-2 {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}
.responsive-grid-2-compact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 600px) {
  .responsive-grid-2-compact {
    grid-template-columns: 1fr;
  }
}

/* ── Blog Layout ── */
.blog-content {
  max-width: 100%;
}
.blog-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}
.blog-content h3 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}
.blog-content p {
  margin-bottom: 1.25rem;
}
.blog-content ul {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}
.blog-content ul li {
  margin-bottom: 0.5rem;
  list-style: disc;
}
.blog-content a {
  color: var(--purple);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
  transition: all var(--transition);
}
.blog-content a:hover {
  color: var(--purple-d);
}
.blog-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}
.blog-content table th,
.blog-content table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}
.blog-content table th {
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  color: var(--gray-900);
}
.blog-sidebar {
  position: sticky;
  top: 100px;
}
@media (max-width: 900px) {
  .blog-sidebar {
    position: static;
  }
}