/* ============================================
   SAIS — Smart AI Solutions
   Global Stylesheet
   Aesthetic: Editorial, premium, gold-accented
============================================ */

/* ----- FONTS ----- */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300..900;1,9..144,300..900&family=Inter:wght@300;400;500;600;700&display=swap');

/* ----- RESET ----- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ----- TOKENS ----- */
:root {
  --cream: #FAF7F0;
  --cream-deep: #F3EEE0;
  --ink: #1A1A1A;
  --ink-soft: #3A3A3A;
  --ink-muted: #6B6B6B;
  --gold: #C9A435;
  --gold-deep: #9B7E1F;
  --gold-light: #E8D687;
  --gold-glow: rgba(201, 164, 53, 0.15);
  --line: #E6DEC9;
  --white: #FFFFFF;
  --dark: #0F0F0F;
  --success: #2E7D32;

  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;

  --max-width: 1240px;
  --radius: 4px;
  --radius-lg: 12px;

  --shadow-sm: 0 2px 8px rgba(26, 26, 26, 0.06);
  --shadow-md: 0 8px 24px rgba(26, 26, 26, 0.08);
  --shadow-gold: 0 10px 40px rgba(201, 164, 53, 0.25);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ----- TYPOGRAPHY ----- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink);
}

h1 { font-size: clamp(2.6rem, 6vw, 5.2rem); font-weight: 300; }
h2 { font-size: clamp(2rem, 4vw, 3.4rem); font-weight: 400; }
h3 { font-size: clamp(1.4rem, 2.5vw, 2rem); font-weight: 500; }
h4 { font-size: 1.15rem; font-weight: 600; }

p { font-size: 1.05rem; color: var(--ink-soft); }

a { color: inherit; text-decoration: none; transition: color 0.3s var(--ease); }

/* ----- UTILS ----- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-deep);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--gold);
  display: inline-block;
}

.italic-display {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  color: var(--gold-deep);
}

.gold-text { color: var(--gold-deep); }

.divider-diamond {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 3rem 0;
}
.divider-diamond::before, .divider-diamond::after {
  content: '';
  flex: 1;
  max-width: 80px;
  height: 1px;
  background: var(--gold);
  opacity: 0.5;
}
.divider-diamond span {
  color: var(--gold);
  font-size: 0.85rem;
}

/* ----- BUTTONS ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.8rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: all 0.35s var(--ease);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--ink);
  color: var(--cream);
}
.btn-primary:hover {
  background: var(--gold-deep);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.btn-gold {
  background: var(--gold);
  color: var(--ink);
}
.btn-gold:hover {
  background: var(--gold-deep);
  color: var(--cream);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}
.btn-outline:hover {
  background: var(--ink);
  color: var(--cream);
}

.btn-whatsapp {
  background: #25D366;
  color: white;
}
.btn-whatsapp:hover {
  background: #1DA851;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.3);
}

.btn-arrow::after {
  content: '→';
  display: inline-block;
  transition: transform 0.3s var(--ease);
}
.btn-arrow:hover::after {
  transform: translateX(4px);
}

/* ----- NAVIGATION ----- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 247, 240, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.5rem;
  letter-spacing: 0.05em;
}

.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0;
  border: 1px solid var(--gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  padding: 0.3rem 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s var(--ease);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}
.nav-links a.active {
  color: var(--ink);
}

.nav-cta { display: flex; align-items: center; gap: 0.8rem; }

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--ink);
}

/* ----- FOOTER ----- */
.footer {
  background: var(--dark);
  color: var(--cream);
  padding: 5rem 0 2rem;
  margin-top: 8rem;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer h4 {
  color: var(--gold);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

.footer ul { list-style: none; }
.footer ul li { margin-bottom: 0.6rem; }
.footer ul a {
  color: rgba(250, 247, 240, 0.7);
  font-size: 0.92rem;
  transition: color 0.3s var(--ease);
}
.footer ul a:hover { color: var(--gold); }

.footer-brand p {
  color: rgba(250, 247, 240, 0.6);
  font-size: 0.92rem;
  max-width: 300px;
  margin-top: 1rem;
}

.footer-bottom {
  border-top: 1px solid rgba(201, 164, 53, 0.2);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom p {
  color: rgba(250, 247, 240, 0.5);
  font-size: 0.85rem;
}
.footer-bottom .gold-mark {
  color: var(--gold);
  font-weight: 600;
}

/* ----- HERO (HOME) ----- */
.hero {
  padding: 6rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero-bg-accent {
  position: absolute;
  top: 10%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--gold-glow) 0%, transparent 70%);
  z-index: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero h1 {
  margin-bottom: 1.5rem;
  margin-top: 2rem;
}
.hero h1 .italic-display {
  font-size: 1em;
  display: inline-block;
  line-height: 1;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--ink-muted);
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 500;
  color: var(--gold-deep);
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.82rem;
  color: var(--ink-muted);
  margin-top: 0.4rem;
  letter-spacing: 0.02em;
}

/* Hero visual card */
.hero-visual {
  position: relative;
}

.phone-mockup {
  background: var(--ink);
  border-radius: 32px;
  padding: 1.2rem 0.9rem;
  box-shadow: var(--shadow-md), 0 40px 80px rgba(26,26,26,0.15);
  max-width: 320px;
  margin: 0 auto;
  position: relative;
  transform: rotate(3deg);
}
.phone-mockup::before {
  content: '';
  position: absolute;
  top: 14px; left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 5px;
  background: #333;
  border-radius: 10px;
}

.phone-screen {
  background: #ECE5DD;
  border-radius: 20px;
  padding: 2.2rem 0.8rem 1rem;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.wa-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.3rem 0.5rem 0.7rem;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  margin-bottom: 0.4rem;
}
.wa-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--gold); color: var(--ink);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.8rem;
  font-family: var(--font-display);
}
.wa-header-info { flex: 1; }
.wa-header-name { font-size: 0.82rem; font-weight: 600; color: #111; }
.wa-header-status { font-size: 0.68rem; color: #075E54; }

.wa-msg {
  max-width: 85%;
  padding: 0.6rem 0.9rem;
  border-radius: 8px;
  font-size: 0.78rem;
  line-height: 1.4;
  color: #111;
  animation: slideIn 0.6s var(--ease) both;
}
.wa-msg.received {
  background: white;
  align-self: flex-start;
  border-top-left-radius: 0;
}
.wa-msg.sent {
  background: #DCF8C6;
  align-self: flex-end;
  border-top-right-radius: 0;
}
.wa-msg:nth-child(2) { animation-delay: 0.3s; }
.wa-msg:nth-child(3) { animation-delay: 0.9s; }
.wa-msg:nth-child(4) { animation-delay: 1.5s; }

.wa-time {
  font-size: 0.62rem;
  color: #888;
  margin-top: 0.25rem;
  text-align: right;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-badge {
  position: absolute;
  top: -10px; left: -30px;
  background: var(--cream);
  border: 1px solid var(--gold);
  padding: 0.7rem 1.2rem;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gold-deep);
  box-shadow: var(--shadow-sm);
  transform: rotate(-5deg);
  z-index: 2;
}
.hero-badge::before {
  content: '● ';
  color: var(--success);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ----- SECTION BASE ----- */
.section {
  padding: 6rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-header .eyebrow {
  justify-content: center;
  margin-bottom: 1.2rem;
}
.section-header h2 {
  max-width: 780px;
  margin: 0 auto;
}

/* ----- PROBLEM SECTION ----- */
.problem {
  background: var(--cream-deep);
  padding: 5rem 0;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.stat-card {
  text-align: center;
  padding: 2rem 1rem;
  border-left: 1px solid var(--gold);
}
.stat-card:first-child { border-left: none; }

.stat-big {
  font-family: var(--font-display);
  font-size: 3.6rem;
  font-weight: 400;
  color: var(--gold-deep);
  line-height: 1;
  margin-bottom: 0.8rem;
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.5;
  max-width: 240px;
  margin: 0 auto;
}

/* ----- SERVICES GRID ----- */
.services-intro {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 4rem;
  color: var(--ink-soft);
  font-size: 1.1rem;
}

.tier-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.tier-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  transition: all 0.4s var(--ease);
  display: flex;
  flex-direction: column;
  position: relative;
}

.tier-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold);
}

.tier-card.featured {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--gold);
  transform: scale(1.02);
  box-shadow: var(--shadow-gold);
}
.tier-card.featured h3,
.tier-card.featured .tier-price { color: var(--gold); }
.tier-card.featured p { color: rgba(250, 247, 240, 0.85); }
.tier-card.featured .tier-list li { color: rgba(250, 247, 240, 0.9); }
.tier-card.featured .tier-list li::before { color: var(--gold); }

.tier-badge {
  position: absolute;
  top: -12px; right: 1.5rem;
  background: var(--gold);
  color: var(--ink);
  padding: 0.3rem 0.9rem;
  border-radius: 100px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tier-name {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 0.8rem;
}

.tier-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
  line-height: 1.2;
}

.tier-price {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.4rem;
  line-height: 1;
}
.tier-price-note {
  font-size: 0.82rem;
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
}

.tier-card > p {
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  min-height: 50px;
}

.tier-list {
  list-style: none;
  margin-bottom: 2rem;
  flex: 1;
}
.tier-list li {
  font-size: 0.9rem;
  padding: 0.45rem 0 0.45rem 1.6rem;
  position: relative;
  color: var(--ink-soft);
  line-height: 1.5;
}
.tier-list li::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 0.7rem;
  top: 0.7rem;
}

.tier-cta {
  width: 100%;
  justify-content: center;
}

/* ----- CTA BANNER ----- */
.cta-banner {
  background: var(--ink);
  color: var(--cream);
  padding: 5rem 2rem;
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
  margin: 6rem auto;
  max-width: var(--max-width);
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.cta-banner h2 { color: var(--cream); margin-bottom: 1rem; }
.cta-banner h2 .italic-display { color: var(--gold); }
.cta-banner p {
  color: rgba(250, 247, 240, 0.75);
  max-width: 580px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
}
.cta-banner-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ----- HOW IT WORKS ----- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.step {
  padding: 2rem;
  position: relative;
}
.step-number {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 1rem;
  opacity: 0.6;
}
.step h4 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 500;
  margin-bottom: 0.7rem;
}
.step p { font-size: 0.95rem; }

/* ----- TESTIMONIAL/QUOTE ----- */
.quote-section {
  padding: 6rem 0;
  text-align: center;
}
.quote-section blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2.2rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.4;
  max-width: 820px;
  margin: 2rem auto;
  color: var(--ink);
  position: relative;
}
.quote-section blockquote::before,
.quote-section blockquote::after {
  content: '"';
  font-family: var(--font-display);
  color: var(--gold);
  font-size: 5rem;
  font-weight: 700;
  position: absolute;
  line-height: 1;
}
.quote-section blockquote::before { top: -30px; left: -10px; }
.quote-section blockquote::after { bottom: -60px; right: -10px; }

.quote-attribution {
  margin-top: 2.5rem;
  font-size: 0.85rem;
  color: var(--ink-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* ----- FAQ ----- */
.faq-wrapper {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 1.5rem 0;
  cursor: pointer;
}
.faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  transition: color 0.3s var(--ease);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  color: var(--gold);
  font-size: 1.6rem;
  font-weight: 300;
  transition: transform 0.3s var(--ease);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item[open] summary { color: var(--gold-deep); }
.faq-item p {
  margin-top: 1rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* ----- PAGE HEADER (for internal pages) ----- */
.page-header {
  padding: 5rem 0 3rem;
  text-align: center;
  border-bottom: 1px solid var(--line);
}
.page-header .eyebrow {
  justify-content: center;
  margin-bottom: 1rem;
}
.page-header h1 {
  margin-bottom: 1.2rem;
}
.page-header p {
  max-width: 640px;
  margin: 0 auto;
  font-size: 1.15rem;
  color: var(--ink-muted);
}

/* ----- ABOUT PAGE ----- */
.about-story {
  max-width: 760px;
  margin: 0 auto;
}
.about-story p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  color: var(--ink-soft);
}
.about-story .lead {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 300;
  line-height: 1.5;
  color: var(--ink);
  font-style: italic;
  margin: 2.5rem 0;
  padding: 2rem;
  border-left: 3px solid var(--gold);
  background: var(--cream-deep);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 4rem;
}
.value-card {
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  transition: all 0.3s var(--ease);
}
.value-card:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
}
.value-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--gold-deep);
  font-weight: 400;
  margin-bottom: 1rem;
  line-height: 1;
}
.value-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
}

/* ----- CONTACT FORM ----- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 5rem;
  align-items: start;
}

.contact-info h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
}
.contact-info p {
  margin-bottom: 2rem;
  line-height: 1.7;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}
.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: all 0.3s var(--ease);
}
.contact-method:hover {
  border-color: var(--gold);
  transform: translateX(6px);
}
.contact-icon {
  width: 44px; height: 44px;
  background: var(--gold-glow);
  color: var(--gold-deep);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.contact-method-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 0.2rem;
}
.contact-method-value {
  font-weight: 600;
  color: var(--ink);
}

.contact-form {
  background: var(--white);
  padding: 3rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 1.5rem;
}
.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: all 0.3s var(--ease);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  font-family: var(--font-body);
}

.form-footer {
  margin-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.form-footer small {
  color: var(--ink-muted);
  font-size: 0.82rem;
}

.form-success {
  display: none;
  padding: 2rem;
  background: var(--gold-glow);
  border: 1px solid var(--gold);
  border-radius: var(--radius-lg);
  text-align: center;
}
.form-success.active { display: block; }
.form-success h4 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--gold-deep);
  margin-bottom: 0.5rem;
}

/* ----- FLOATING WHATSAPP ----- */
.floating-wa {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 60px; height: 60px;
  background: #25D366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  z-index: 90;
  transition: all 0.3s var(--ease);
  cursor: pointer;
}
.floating-wa:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.5);
}
.floating-wa::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: #25D366;
  opacity: 0.3;
  animation: pulse-ring 2s infinite;
  z-index: -1;
}

@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.4; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* ----- RESPONSIVE ----- */
@media (max-width: 968px) {
  .hero-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .tier-grid,
  .problem-grid,
  .values-grid,
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; }
  .tier-card.featured { transform: none; }
  .stat-card { border-left: none; border-top: 1px solid var(--gold); padding-top: 2rem; }
  .stat-card:first-child { border-top: none; padding-top: 0; }
}

@media (max-width: 640px) {
  .container { padding: 0 1.2rem; }
  .tier-grid,
  .problem-grid,
  .values-grid,
  .footer-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: var(--cream);
    padding: 2rem;
    border-bottom: 1px solid var(--line);
    gap: 1.5rem;
  }
  .mobile-toggle { display: block; }
  .nav-cta .btn { display: none; }
  .section { padding: 4rem 0; }
  .hero { padding: 3rem 0; }
  .cta-banner { padding: 3rem 1.5rem; margin: 3rem 1rem; }
  .contact-form { padding: 2rem 1.5rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ----- ANIMATION ON SCROLL ----- */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}