/* ============================================================
   ABAIS GLOBAL — Stylesheet
   Minimalist White + Teal + Gold
   ============================================================ */

:root {
  --teal: #1a7a7a;
  --teal-dark: #145e5e;
  --teal-light: #e8f4f4;
  --gold: #c8952e;
  --gold-dark: #a87a24;
  --gold-light: #fdf5e6;
  --white: #ffffff;
  --off-white: #fafbfc;
  --gray-50: #f7f8fa;
  --gray-100: #eef0f3;
  --gray-200: #dde0e6;
  --gray-400: #9ca3b0;
  --gray-600: #5a6170;
  --gray-800: #2d3038;
  --gray-900: #1a1c21;
  --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

a { text-decoration: none; color: inherit; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.875rem;
  padding: 12px 28px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.02em;
}

.btn--primary {
  background: var(--gold);
  color: var(--white);
}

.btn--primary:hover {
  background: var(--gold-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(200, 149, 46, 0.3);
}

.btn--submit {
  width: 100%;
  padding: 14px 28px;
  font-size: 0.95rem;
}

/* ---------- Section Shared ---------- */
.section-header { margin-bottom: 48px; }
.section-header--center { text-align: center; }

.section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  color: var(--gray-900);
  line-height: 1.2;
}

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  display: flex;
  gap: 2px;
  z-index: 1002;
}
.logo__abais { color: var(--gold); }
.logo__global { color: var(--teal); }

/* Desktop nav */
.nav {
  display: flex;
  gap: 32px;
}

.nav__link {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--teal);
  transition: width 0.3s ease;
}

.nav__link:hover,
.nav__link.active { color: var(--teal); }

.nav__link:hover::after,
.nav__link.active::after { width: 100%; }

/* Hamburger — hidden on desktop */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1002;
  -webkit-tap-highlight-color: transparent;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-800);
  transition: var(--transition);
  border-radius: 1px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Nav overlay backdrop — hidden on desktop */
.nav-overlay {
  display: none;
}

/* ============================================================
   HERO CAROUSEL
   ============================================================ */
.hero {
  padding-top: 64px;
  background: var(--off-white);
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.carousel { width: 100%; position: relative; }

.carousel__slide {
  display: none;
  align-items: center;
  gap: 48px;
  max-width: 1140px;
  margin: 0 auto;
  padding: 80px 24px;
  animation: fadeSlide 0.6s ease;
}

.carousel__slide.active { display: flex; }

@keyframes fadeSlide {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

.carousel__content { flex: 1; min-width: 0; }

.carousel__label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--teal);
  background: var(--teal-light);
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.carousel__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.15;
  margin-bottom: 16px;
}

.carousel__sub {
  font-size: 1.05rem;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 480px;
}

.carousel__visual { flex: 0 0 380px; }

.hero-svg {
  width: 100%;
  height: auto;
  border-radius: 20px;
}

.carousel__dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  padding-bottom: 40px;
}

.carousel__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1.5px solid var(--teal);
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
}
.carousel__dot.active { background: var(--teal); transform: scale(1.15); }
.carousel__dot:hover { background: var(--teal); opacity: 0.7; }

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  padding: 100px 0;
  background: var(--white);
}

.about__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.about__card {
  padding: 40px 36px;
  border-radius: 16px;
  border: 1px solid var(--gray-100);
  background: var(--white);
  transition: var(--transition);
}

.about__card:hover {
  border-color: var(--teal);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.about__icon { margin-bottom: 20px; }

.about__heading {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.about__text {
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
  padding: 100px 0;
  background: var(--gray-50);
}

.services__category { margin-bottom: 56px; }
.services__category:last-child { margin-bottom: 0; }

.services__cat-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.services__cat-num {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--teal);
  background: var(--teal-light);
  padding: 4px 10px;
  border-radius: 6px;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--white);
  border-radius: 12px;
  padding: 28px 24px;
  border: 1px solid var(--gray-100);
  transition: var(--transition);
}

.service-card:hover {
  border-color: var(--gray-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.service-card--featured {
  border-color: var(--teal);
  border-width: 1.5px;
}

.service-card__badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  background: var(--gold-light);
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.service-card__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.service-card__desc {
  font-size: 0.875rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ============================================================
   IMPACT
   ============================================================ */
.impact {
  padding: 100px 0;
  background: var(--white);
}

.impact__grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
}

.impact__item { text-align: center; }

.impact__number {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
}

.impact__plus {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gold);
  position: relative;
  top: -12px;
}

.impact__label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-top: 8px;
}

.impact__sub {
  display: block;
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-top: 4px;
}

.impact__divider {
  width: 1px;
  height: 60px;
  background: var(--gray-200);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  padding: 100px 0;
  background: var(--gray-50);
}

.contact__wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.contact__info-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 12px;
  line-height: 1.3;
}

.contact__info-text {
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact__details { display: flex; flex-direction: column; gap: 16px; }

.contact__detail {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--gray-600);
}

.contact__form-wrap {
  background: var(--white);
  border-radius: 16px;
  padding: 36px;
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
}

.form-group { position: relative; margin-bottom: 20px; }

.form-input {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--gray-800);
  background: var(--white);
  transition: var(--transition);
  outline: none;
}

.form-input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(26, 122, 122, 0.08);
}

.form-label {
  position: absolute;
  left: 16px;
  top: 14px;
  font-size: 0.9rem;
  color: var(--gray-400);
  pointer-events: none;
  transition: var(--transition);
  background: var(--white);
  padding: 0 4px;
}

.form-input:focus + .form-label,
.form-input:not(:placeholder-shown) + .form-label {
  top: -8px;
  left: 12px;
  font-size: 0.72rem;
  color: var(--teal);
  font-weight: 500;
}

.form-textarea { resize: vertical; min-height: 120px; }

.form-security {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  color: var(--gray-400);
  margin-top: 12px;
  justify-content: center;
}

.form-status {
  text-align: center;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  margin-top: 12px;
  display: none;
}
.form-status.success {
  display: block;
  background: #e8f9ef;
  color: #1a7a3a;
  border: 1px solid #b8e6c8;
}
.form-status.error {
  display: block;
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.btn--loading {
  opacity: 0.7;
  pointer-events: none;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 48px 0 24px;
  background: var(--gray-900);
  color: var(--gray-400);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.logo--footer .logo__abais { color: var(--gold); }
.logo--footer .logo__global { color: rgba(255,255,255,0.8); }

.footer__tagline {
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-top: 4px;
}

.footer__links { display: flex; gap: 24px; }

.footer__links a {
  font-size: 0.85rem;
  color: var(--gray-400);
  transition: var(--transition);
}
.footer__links a:hover { color: var(--white); }

.footer__contact span { font-size: 0.85rem; }

.footer__bottom {
  text-align: center;
  padding-top: 24px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.3);
}

.footer__brn {
  margin-top: 6px;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.22);
  letter-spacing: 0.04em;
}

/* ============================================================
   WHATSAPP BUTTON
   ============================================================ */
.whatsapp-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
  transition: var(--transition);
}

.whatsapp-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
}

/* ============================================================
   RESPONSIVE — TABLET
   ============================================================ */
@media (max-width: 900px) {
  .carousel__slide.active {
    flex-direction: column;
    text-align: center;
  }
  .carousel__sub { margin-left: auto; margin-right: auto; }
  .carousel__visual { flex: 0 0 auto; max-width: 280px; }
  .about__grid { grid-template-columns: 1fr; }
  .contact__wrapper { grid-template-columns: 1fr; }
  .impact__grid { flex-direction: column; gap: 32px; }
  .impact__divider { width: 60px; height: 1px; }
  .footer__inner { flex-direction: column; gap: 24px; text-align: center; }
}

/* ============================================================
   RESPONSIVE — MOBILE
   ============================================================ */
@media (max-width: 768px) {

  /* Show hamburger */
  .hamburger {
    display: flex;
  }

  /* Mobile nav — slide down from header */
  .nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    gap: 0;
    padding: 0;
    z-index: 1001;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
    border-bottom: 1px solid var(--gray-100);
  }

  .nav.open {
    max-height: 320px;
  }

  .nav__link {
    display: block;
    font-size: 1.05rem;
    font-weight: 500;
    padding: 18px 28px;
    width: 100%;
    text-align: left;
    color: var(--gray-800);
    border-bottom: 1px solid var(--gray-100);
    transition: background 0.2s ease, color 0.2s ease;
    -webkit-tap-highlight-color: transparent;
  }

  .nav__link:last-child {
    border-bottom: none;
  }

  .nav__link:hover,
  .nav__link:active,
  .nav__link.active {
    background: var(--teal-light);
    color: var(--teal);
  }

  .nav__link::after {
    display: none;
  }

  /* Overlay backdrop */
  .nav-overlay {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.3);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  .nav-overlay.active {
    opacity: 1;
    visibility: visible;
  }

  /* Hero */
  .hero { min-height: auto; padding-top: 64px; }

  .carousel__slide.active {
    padding: 48px 20px 32px;
    gap: 24px;
  }
  .carousel__title { font-size: 1.6rem; line-height: 1.25; }
  .carousel__sub { font-size: 0.92rem; margin-bottom: 20px; }
  .carousel__label { font-size: 0.65rem; padding: 5px 12px; margin-bottom: 14px; }
  .carousel__visual { max-width: 220px; }
  .carousel__dots { padding-bottom: 28px; }

  /* Section spacing */
  .about, .services, .impact, .contact { padding: 64px 0; }
  .section-header { margin-bottom: 32px; }
  .section-title { font-size: 1.5rem; }

  /* Services */
  .services__grid { grid-template-columns: 1fr; gap: 14px; }
  .services__category { margin-bottom: 40px; }
  .service-card { padding: 22px 20px; }

  /* About */
  .about__card { padding: 28px 24px; }

  /* Contact */
  .contact__form-wrap { padding: 24px 20px; }
  .contact__info-title { font-size: 1.25rem; }

  /* Impact */
  .impact__number { font-size: 2.5rem; }

  /* Footer */
  .footer { padding: 36px 0 20px; }
  .footer__links { flex-wrap: wrap; justify-content: center; gap: 16px; }

  /* WhatsApp */
  .whatsapp-btn { width: 50px; height: 50px; bottom: 18px; right: 18px; }
  .whatsapp-btn svg { width: 24px; height: 24px; }

  /* Touch-friendly sizes */
  .btn { padding: 14px 24px; font-size: 0.9rem; min-height: 48px; }
  .form-input { padding: 16px; font-size: 1rem; min-height: 52px; }
  .form-label { top: 16px; }
  .form-textarea { min-height: 130px; }
}

/* ============================================================
   RESPONSIVE — SMALL PHONES
   ============================================================ */
@media (max-width: 380px) {
  .container { padding: 0 16px; }
  .carousel__title { font-size: 1.35rem; }
  .carousel__slide.active { padding: 40px 16px 28px; }
  .nav__link { font-size: 1rem; padding: 16px 24px; }
  .service-card { padding: 18px 16px; }
}