/* ===================== CSS VARIABLES ===================== */
:root {
  --primary: #00475e;
  --primary-container: #1a5f7a;
  --on-primary-container: #9bd7f7;
  --surface: #f7f9fb;
  --surface-container: #eceef0;
  --secondary: #505f76;
  --accent: #00d1ff;
  --android-green: #3DDC84;
  --whatsapp: #25D366;
  --font: 'Cairo', sans-serif;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --shadow-soft: 0 4px 20px rgba(26, 95, 122, 0.08);
  --shadow-lg: 0 10px 40px rgba(0, 71, 94, 0.15);
  --transition: all 0.3s ease;
}

/* ===================== RESET ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-family: var(--font); }
body { background: var(--surface); color: var(--secondary); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }
input, textarea { font-family: var(--font); font-size: 1rem; }

/* ===================== LAYOUT ===================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.section { padding: 6rem 0; }
.text-center { text-align: center; }
.bg-white { background: #fff; }
.bg-surface { background: var(--surface); }
.border-bottom { border-bottom: 1px solid #eee; }
.mt-4 { margin-top: 1rem; }
.mt-16 { margin-top: 4rem; }
.mb-16 { margin-bottom: 4rem; }
.w-full { width: 100%; }
.text-lg { font-size: 1.125rem; line-height: 1.8; color: var(--secondary); }

/* ===================== GRIDS ===================== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

/* ===================== ANIMATIONS ===================== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-up {
  opacity: 0;
  animation: fadeUp 0.6s ease forwards;
  animation-delay: var(--delay, 0s);
}
.animate-up.visible { opacity: 1; }

/* ===================== HEADER ===================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 12px rgba(0,0,0,0.06);
  transition: var(--transition);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5rem;
}
.logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
}
.nav-desktop { display: flex; align-items: center; gap: 2rem; }
.nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--secondary);
  transition: var(--transition);
}
.nav-link:hover { color: var(--primary); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem 1.5rem 1.5rem;
  background: white;
  border-top: 1px solid #f0f0f0;
}
.nav-mobile.open { display: flex; }
@media (max-width: 768px) {
  .nav-desktop { display: none; }
  .hamburger { display: flex; }
  .logo { font-size: 0.95rem; }
}

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}
.btn-lg { padding: 1rem 2rem; font-size: 1rem; border-radius: var(--radius-xl); }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-container); box-shadow: var(--shadow-lg); }
.btn-outline { border: 2px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: rgba(0,71,94,0.05); }
.btn-white { background: white; color: var(--primary); font-weight: 700; }
.btn-white:hover { box-shadow: var(--shadow-soft); }
.btn-android {
  display: inline-block;
  padding: 0.65rem 1.75rem;
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 0.875rem;
  background: rgba(61,220,132,0.08);
  color: var(--android-green);
  border: 1.5px solid rgba(61,220,132,0.3);
  transition: var(--transition);
}
.btn-android:hover { background: var(--android-green); color: white; }
.btn-ios {
  display: inline-block;
  padding: 0.65rem 1.75rem;
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 0.875rem;
  background: #111;
  color: white;
  transition: var(--transition);
}
.btn-ios:hover { background: #333; }
.btn-link { font-weight: 700; color: var(--primary); transition: var(--transition); }
.btn-link:hover { text-decoration: underline; }

/* ===================== BADGES ===================== */
.badge {
  display: inline-block;
  background: rgba(0,71,94,0.1);
  color: var(--primary);
  padding: 0.35rem 1rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.badge-accent { background: rgba(0,209,255,0.12); color: var(--primary); }

/* ===================== SECTION TITLES ===================== */
.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 1rem;
  line-height: 1.2;
}
.section-title.underline-accent {
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 4px;
  text-underline-offset: 10px;
}
.section-desc {
  color: var(--secondary);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
}
.section-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.section-header-row .section-title { margin-bottom: 0.5rem; }
.section-header-row .section-desc { margin: 0; text-align: right; }

/* ===================== HERO ===================== */
.main-content { padding-top: 5rem; }
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.18; }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to left, rgba(255,255,255,0.95) 40%, rgba(255,255,255,0.5) 70%, transparent);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 750px;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 900;
  color: var(--primary);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}
.hero-desc {
  font-size: clamp(1rem, 2vw, 1.35rem);
  color: var(--secondary);
  margin-bottom: 2.5rem;
  font-weight: 300;
  line-height: 1.7;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ===================== CARDS ===================== */
.card {
  background: white;
  border-radius: var(--radius-2xl);
  padding: 2.5rem;
  border: 1px solid #f0f0f0;
  box-shadow: var(--shadow-soft);
  text-align: right;
}
.card-hover { transition: var(--transition); }
.card-hover:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.card-icon {
  width: 4rem; height: 4rem;
  background: var(--surface-container);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--primary);
}
.card-title { font-size: 1.15rem; font-weight: 700; color: var(--primary); margin-bottom: 0.75rem; }
.card-desc { color: var(--secondary); font-size: 0.95rem; line-height: 1.7; margin-bottom: 1.5rem; }
.feature-list { display: flex; flex-direction: column; gap: 0.5rem; }
.feature-list li { display: flex; align-items: center; gap: 0.5rem; font-size: 0.875rem; color: var(--secondary); }
.check { color: var(--accent); font-size: 0.9rem; }

/* ===================== PROJECTS ===================== */
.project-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/3;
  cursor: pointer;
}
.project-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.project-card:hover img { transform: scale(1.1); }
.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,71,94,0.97) 40%, rgba(0,71,94,0.35) 70%, transparent);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  transform: translateY(1rem);
  transition: var(--transition);
}
.project-card:hover .project-overlay { transform: translateY(0); }
.project-cat { color: var(--accent); font-size: 0.85rem; font-weight: 700; margin-bottom: 0.5rem; }
.project-name { color: white; font-size: 1.5rem; font-weight: 800; margin-bottom: 1rem; }
.project-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.25rem; }
.tag {
  background: rgba(255,255,255,0.2);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  backdrop-filter: blur(4px);
}

/* ===================== TEAM ===================== */
.team-card {
  background: white;
  padding: 2rem 1.5rem;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-soft);
  text-align: center;
}
.team-card img {
  width: 6rem; height: 6rem;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1rem;
  filter: grayscale(1);
  transition: var(--transition);
}
.team-card:hover img { filter: grayscale(0); }
.team-card h3 { font-weight: 700; color: var(--primary); font-size: 0.95rem; margin-bottom: 0.25rem; }
.team-card p { font-size: 0.85rem; color: var(--secondary); }

/* ===================== CTA BOX ===================== */
.cta-box {
  background: var(--primary);
  border-radius: var(--radius-2xl);
  padding: 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  position: relative;
  overflow: hidden;
}
.cta-glow {
  position: absolute;
  top: -4rem; right: -4rem;
  width: 16rem; height: 16rem;
  background: rgba(0,209,255,0.1);
  border-radius: 50%;
  filter: blur(3rem);
}
.cta-info { color: white; position: relative; z-index: 1; }
.cta-info h2 { font-size: 2.25rem; font-weight: 800; margin-bottom: 1rem; }
.cta-info > p { color: rgba(255,255,255,0.8); font-size: 1.1rem; margin-bottom: 3rem; }
.contact-items { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-item { display: flex; align-items: flex-start; gap: 1rem; }
.contact-icon {
  background: rgba(255,255,255,0.1);
  padding: 0.75rem;
  border-radius: var(--radius-lg);
  flex-shrink: 0;
  color: white;
}
.contact-item strong { display: block; font-weight: 700; margin-bottom: 0.2rem; }
.contact-item span { color: rgba(255,255,255,0.7); font-size: 0.95rem; }
.cta-form {
  background: white;
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.form-group { display: flex; flex-direction: column; gap: 0.5rem; }
.form-group label { font-size: 0.875rem; font-weight: 700; color: var(--secondary); }
.form-group input,
.form-group textarea {
  background: var(--surface-container);
  border: none;
  border-radius: var(--radius-lg);
  padding: 1rem;
  outline: none;
  transition: var(--transition);
  color: var(--primary);
}
.form-group input:focus,
.form-group textarea:focus { box-shadow: 0 0 0 2px var(--accent); }
.form-group textarea { height: 8rem; resize: vertical; }
@media (max-width: 768px) {
  .cta-box { grid-template-columns: 1fr; padding: 2.5rem 1.5rem; gap: 2rem; }
}

/* ===================== ABOUT ===================== */
.about-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about-text h1 { margin-top: 0.5rem; }
.about-images { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.about-img-1 { border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); margin-top: 2rem; }
.about-img-2 { border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); }
.page-hero-title {
  font-size: clamp(1.75rem, 4vw, 3.25rem);
  font-weight: 900;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}
@media (max-width: 768px) {
  .about-story { grid-template-columns: 1fr; gap: 2.5rem; }
}

/* ===================== VISION ===================== */
.vision-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.vision-card {
  padding: 3.5rem;
  border-radius: var(--radius-2xl);
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
}
.vision-light { background: white; box-shadow: var(--shadow-soft); border: 1px solid #f0f0f0; }
.vision-dark { background: var(--primary); color: white; box-shadow: var(--shadow-lg); }
.vision-icon {
  padding: 1.25rem;
  border-radius: var(--radius-xl);
  margin-bottom: 2rem;
  color: var(--primary);
}
.bg-primary-light { background: rgba(0,71,94,0.1); }
.bg-white-10 { background: rgba(255,255,255,0.1); color: white; }
.vision-dark .vision-icon { color: white; }
.vision-card h2 { font-size: 2rem; font-weight: 800; margin-bottom: 1rem; }
.vision-light h2 { color: var(--primary); }
.vision-dark h2, .vision-dark p { color: rgba(255,255,255,0.95); }
.vision-card p { font-size: 1.05rem; line-height: 1.75; }
.vision-light p { color: var(--secondary); }
@media (max-width: 768px) { .vision-grid { grid-template-columns: 1fr; } }

/* ===================== VALUES ===================== */
.value-card {
  background: var(--surface);
  border: 1px solid #eee;
  border-radius: var(--radius-2xl);
  padding: 2.5rem;
  transition: var(--transition);
}
.value-card:hover { background: var(--primary); }
.value-card:hover h3, .value-card:hover p { color: white !important; }
.value-icon {
  background: white;
  padding: 1rem;
  border-radius: var(--radius-lg);
  width: fit-content;
  color: var(--primary);
  margin-bottom: 1.5rem;
  transition: var(--transition);
}
.value-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--primary); margin-bottom: 0.75rem; transition: var(--transition); }
.value-card p { color: var(--secondary); line-height: 1.7; transition: var(--transition); }

/* ===================== PORTFOLIO ===================== */
.portfolio-hero {
  background: var(--surface-container);
  border-radius: var(--radius-2xl);
  padding: 4rem;
  max-width: 900px;
  margin: 0 auto;
}
.portfolio-hero h1 { margin-bottom: 1rem; color: var(--primary); font-size: 2.75rem; font-weight: 900; }
.apps-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
@media (max-width: 768px) { .apps-grid { grid-template-columns: 1fr; } }
.store-header {
  display: flex; align-items: center; gap: 0.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #eee;
  margin-bottom: 2.5rem;
}
.store-header h2 { font-size: 1.5rem; font-weight: 800; color: var(--primary); }
.store-header.android svg { color: var(--android-green); }
.apps-list { display: flex; flex-direction: column; gap: 2rem; }
.app-card {
  background: white;
  padding: 2rem;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(0,0,0,0.04);
  display: flex; flex-direction: column; align-items: flex-end;
  text-align: right;
}
.app-card h3 { font-weight: 700; color: var(--primary); margin-bottom: 0.5rem; font-size: 1rem; }
.app-card p { color: var(--secondary); font-size: 0.875rem; line-height: 1.6; margin-bottom: 1.5rem; max-width: 280px; }

/* ===================== CONTACT ===================== */
.contact-hero {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.contact-hero-img {
  background: var(--surface-container);
  border-radius: var(--radius-2xl);
  padding: 1rem;
  box-shadow: var(--shadow-soft);
}
.contact-hero-img img { border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); }
.contact-btns { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.5rem; }
@media (max-width: 768px) {
  .contact-hero { grid-template-columns: 1fr; }
}

.reason-card {
  background: white;
  padding: 3rem;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-soft);
  text-align: center;
  border: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
}
.reason-card:hover { border-color: var(--primary); }
.reason-icon {
  width: 4rem; height: 4rem;
  background: rgba(0,71,94,0.05);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--primary);
  transition: var(--transition);
}
.reason-card:hover .reason-icon { background: var(--primary); color: white; }
.reason-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--primary); margin-bottom: 0.75rem; }
.reason-card p { color: var(--secondary); line-height: 1.7; }

.contact-channels {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}
.channel-card {
  background: white;
  padding: 3.5rem 2rem;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-soft);
  border: 1px solid #eee;
  display: flex; flex-direction: column; align-items: center; gap: 1.5rem;
  transition: var(--transition);
}
.channel-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.channel-icon {
  padding: 1.25rem;
  border-radius: var(--radius-xl);
  transition: var(--transition);
}
.channel-icon.whatsapp { background: rgba(37,211,102,0.1); color: var(--whatsapp); }
.channel-card:hover .channel-icon.whatsapp { background: var(--whatsapp); color: white; }
.channel-icon.email { background: rgba(0,71,94,0.05); color: var(--primary); }
.channel-card:hover .channel-icon.email { background: var(--primary); color: white; }
.channel-card h3 { font-size: 1.5rem; font-weight: 800; color: var(--primary); }
.channel-card p { color: var(--secondary); }
@media (max-width: 600px) { .contact-channels { grid-template-columns: 1fr; } }

/* ===================== PRIVACY ===================== */
.privacy-box {
  background: white;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-soft);
  border: 1px solid #eee;
  overflow: hidden;
}
.privacy-header {
  text-align: center;
  padding: 4rem 4rem 3rem;
}
.privacy-shield {
  display: inline-flex;
  background: rgba(0,71,94,0.08);
  padding: 1.25rem;
  border-radius: var(--radius-xl);
  margin-bottom: 1.5rem;
  color: var(--primary);
}
.privacy-header h1 { font-size: 3rem; font-weight: 900; color: var(--primary); margin-bottom: 1.25rem; }
.privacy-accent-bar {
  width: 6rem; height: 6px;
  background: var(--accent);
  border-radius: 3px;
  margin: 0 auto;
}
.privacy-sections { padding: 0 4rem 3rem; display: flex; flex-direction: column; gap: 3rem; }
.privacy-section { position: relative; }
.privacy-section + .privacy-section { padding-top: 3rem; border-top: 1px solid #f0f0f0; }
.privacy-section-title {
  display: flex; align-items: center; gap: 0.75rem;
  margin-bottom: 1.25rem;
  color: var(--primary);
}
.privacy-section-title h2 { font-size: 1.5rem; font-weight: 800; color: var(--primary); }
.privacy-section p { color: var(--secondary); line-height: 1.8; font-size: 1rem; }
.privacy-sub-cards { display: flex; flex-direction: column; gap: 1rem; }
.privacy-sub-card { background: var(--surface); padding: 1.5rem; border-radius: var(--radius-lg); }
.privacy-sub-card strong { display: block; color: var(--primary); font-weight: 700; margin-bottom: 0.5rem; }
.privacy-sub-card p { color: var(--secondary); line-height: 1.7; }
.privacy-contact-footer {
  background: var(--surface);
  padding: 3.5rem 4rem;
  text-align: center;
}
.privacy-contact-footer h3 { font-size: 1.5rem; font-weight: 800; color: var(--primary); margin-bottom: 0.75rem; }
.privacy-contact-footer > p { color: var(--secondary); margin-bottom: 2rem; }
.privacy-contact-items { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; }
.privacy-contact-item {
  display: flex; align-items: center; gap: 0.75rem;
  background: white;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  font-size: 0.9rem; font-weight: 600;
  color: var(--primary);
}
.privacy-copyright { text-align: center; margin-top: 2rem; font-size: 0.875rem; color: var(--secondary); }
@media (max-width: 768px) {
  .privacy-header { padding: 3rem 1.5rem 2rem; }
  .privacy-sections { padding: 0 1.5rem 2rem; }
  .privacy-contact-footer { padding: 2.5rem 1.5rem; }
  .privacy-header h1 { font-size: 2rem; }
}

/* ===================== FOOTER ===================== */
.footer { background: var(--surface-container); padding-top: 4rem; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid #ddd;
}
.footer-brand { max-width: 400px; }
.footer-brand h2 { font-size: 1.4rem; font-weight: 800; color: var(--primary); margin-bottom: 0.75rem; }
.footer-brand p { color: var(--secondary); font-size: 0.95rem; line-height: 1.7; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 1.5rem; justify-content: center; }
.footer-nav a { color: var(--secondary); font-weight: 600; font-size: 0.95rem; transition: var(--transition); }
.footer-nav a:hover { color: var(--primary); }
.footer-bottom { padding: 1.25rem 0; text-align: center; font-size: 0.875rem; color: var(--secondary); }
@media (max-width: 768px) {
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-brand { text-align: center; }
}

/* ===================== FLOAT CHAT ===================== */
.float-chat {
  position: fixed;
  bottom: 2rem; left: 2rem;
  z-index: 200;
  background: var(--whatsapp);
  color: white;
  padding: 1rem;
  border-radius: 50%;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.float-chat:hover { transform: scale(1.12); }
.float-tooltip {
  position: absolute;
  right: calc(100% + 0.75rem);
  top: 50%; transform: translateY(-50%);
  background: white;
  color: var(--secondary);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}
.float-chat:hover .float-tooltip { opacity: 1; }

/* ===================== PAGE ROUTING ===================== */
.page { display: none; }
.page.active { display: block; }