/* style.css - Premium Design for Sipgua */

:root {
  /* Colors */
  --bg-color: #FFFFFF;
  --bg-soft: #F5F8FB;
  --bg-glass: rgba(255, 255, 255, 0.85);
  
  --navy: #0B3A63;
  --navy-dark: #072642;
  --sky: #2AA3DC;
  --sky-light: #EAF3FA;
  --amber: #F2A33C;
  --amber-hover: #E0942F;
  
  --text-main: #1C2B36;
  --text-muted: #5B7186;
  --text-inverse: #FFFFFF;
  --text-inverse-muted: #9DB4C8;
  
  --border: #E4EAF0;
  --border-focus: #2AA3DC;

  /* Shadows */
  --shadow-sm: 0 4px 12px rgba(11, 58, 99, 0.05);
  --shadow-md: 0 12px 24px -8px rgba(11, 58, 99, 0.15);
  --shadow-lg: 0 24px 48px -12px rgba(11, 58, 99, 0.25);
  --shadow-glow: 0 8px 24px rgba(42, 163, 220, 0.3);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-padding-top: 110px; /* Compensa la altura del header sticky */
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, .font-display {
  font-family: 'Archivo', sans-serif;
  color: var(--navy);
  letter-spacing: -0.02em;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

img, svg {
  display: block;
  max-width: 100%;
}

.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 7rem 0;
  position: relative;
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Header & Nav */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(228, 234, 240, 0.6);
  transition: background var(--transition-fast);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.brand-logo {
  height: 64px; /* Aumentado para que los textos pequeños se lean mejor */
  width: auto;
}

.navlinks {
  display: flex;
  gap: 2.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
}

.navlinks a {
  position: relative;
}

.navlinks a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--sky);
  transition: width var(--transition-fast);
  border-radius: 2px;
}

.navlinks a:hover {
  color: var(--navy);
}

.navlinks a:hover::after {
  width: 100%;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: 0.5rem;
  font-weight: 700;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
  border: none;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--navy);
  color: var(--text-inverse);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--navy-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--text-inverse);
}

.btn-ghost {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--navy);
}

.btn-ghost:hover {
  border-color: var(--sky);
  color: var(--sky);
  background: var(--sky-light);
}

.btn-amber {
  background: var(--amber);
  color: var(--navy-dark);
  box-shadow: 0 4px 12px rgba(242, 163, 60, 0.2);
}

.btn-amber:hover {
  background: var(--amber-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(242, 163, 60, 0.35);
}

/* Hero Section */
.hero {
  padding: 7rem 0 5rem;
  text-align: center;
  background: radial-gradient(circle at 50% -20%, var(--sky-light) 0%, transparent 70%);
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: white;
  border: 1px solid var(--border);
  color: var(--navy);
  padding: 0.5rem 1.25rem;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.kicker .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sky);
  box-shadow: 0 0 8px var(--sky);
}

.hero h1.h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.1;
  font-weight: 900;
  max-width: 900px;
  margin: 0 auto 1.5rem;
}

.hero h1.h1 .sky {
  color: var(--sky);
  position: relative;
  display: inline-block;
}
.hero h1.h1 .sky::after {
  content: '';
  position: absolute;
  bottom: 10%;
  left: 0;
  width: 100%;
  height: 30%;
  background: rgba(42, 163, 220, 0.2);
  z-index: -1;
  transform: rotate(-1deg);
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 2.5rem;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 5rem;
}

.stat-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 3rem 0;
  background: var(--bg-soft);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-grid b {
  display: block;
  font-family: 'Archivo', sans-serif;
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--navy);
  line-height: 1.2;
}

.stat-grid span {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.5rem;
}

/* Section Headings */
.sec-head {
  max-width: 720px;
  margin-bottom: 4rem;
}

.sec-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.sec-head h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.sec-head p {
  color: var(--text-muted);
  font-size: 1.125rem;
}

/* Services */
.services {
  background: var(--bg-color);
}

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

.svc-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.svc-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--sky);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}

.svc-card:hover {
  background: white;
  border-color: var(--border-focus);
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
}

.svc-card:hover::before {
  transform: scaleX(1);
}

.svc-num {
  font-family: 'Archivo', sans-serif;
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--sky);
  margin-bottom: 1rem;
  opacity: 0.8;
}

.svc-card h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.svc-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Cases / Products */
.cases-section {
  background: var(--bg-soft);
}

.case-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 5rem 0;
  border-bottom: 1px solid var(--border);
}

.case-row:last-child {
  border-bottom: none;
}

.case-row.rev .case-visual {
  order: 2;
}

.case-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1rem;
  background: rgba(242, 163, 60, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
}

.case-text h3 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  line-height: 1.2;
}

.case-text p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.case-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.case-stats div {
  font-size: 1.125rem;
  color: var(--navy);
  font-weight: 800;
}

.case-stats div span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

.case-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--navy);
  border-bottom: 2px solid var(--sky);
  padding-bottom: 0.25rem;
}

.case-link:hover {
  color: var(--sky);
}

.case-visual {
  background: white;
  border-radius: 1.5rem;
  border: 1px solid var(--border);
  padding: 2.5rem;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.case-visual:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

/* Interactive Chat Simulation */
.chat-sim-wrapper {
  background: #E5DDD5; /* WhatsApp default bg */
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 12;
  display: flex;
  flex-direction: column;
  position: relative;
  font-size: 13px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.case-visual:hover .chat-sim-wrapper {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.chat-sim-wrapper.webchat {
  background: var(--bg-soft);
}

.chat-sim-header {
  background: #075E54;
  color: white;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.chat-sim-wrapper.webchat .chat-sim-header {
  background: white;
  color: var(--navy);
  border-bottom: 1px solid var(--border);
}

.chat-sim-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #128C7E;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 14px;
}

.chat-sim-wrapper.webchat .chat-sim-avatar {
  background: var(--sky-light);
  color: var(--sky);
}

.chat-sim-title {
  display: flex;
  flex-direction: column;
}
.chat-sim-title strong { font-size: 14px; font-weight: 600; line-height: 1.2; }
.chat-sim-title span { font-size: 11px; opacity: 0.8; }

.chat-sim-body {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  scrollbar-width: none;
}
.chat-sim-body::-webkit-scrollbar { display: none; }

.msg {
  max-width: 85%;
  padding: 8px 12px;
  border-radius: 12px;
  line-height: 1.4;
  position: relative;
  opacity: 0;
  transform: translateY(10px);
  animation: popIn 0.3s forwards cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popIn {
  to { opacity: 1; transform: translateY(0); }
}

.msg.in {
  background: white;
  align-self: flex-start;
  border-top-left-radius: 4px;
  box-shadow: 0 1px 1px rgba(0,0,0,0.05);
  color: #111;
}

.msg.out {
  background: #DCF8C6;
  align-self: flex-end;
  border-top-right-radius: 4px;
  box-shadow: 0 1px 1px rgba(0,0,0,0.05);
  color: #111;
}

.chat-sim-wrapper.webchat .msg.out {
  background: var(--sky);
  color: white;
}

.typing-indicator {
  display: flex;
  gap: 4px;
  padding: 12px;
  background: white;
  border-radius: 12px;
  border-top-left-radius: 4px;
  align-self: flex-start;
  box-shadow: 0 1px 1px rgba(0,0,0,0.05);
  display: none;
}

.typing-indicator.active {
  display: flex;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  background: #999;
  border-radius: 50%;
  animation: typing 1.4s infinite ease-in-out both;
}

.typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.typing-indicator span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

/* Process */
.process {
  background: var(--navy);
  background-image: radial-gradient(circle at 100% 0%, var(--navy-dark) 0%, transparent 50%);
  color: white;
  border-radius: 2rem;
  margin: 0 2rem;
  max-width: 1136px;
  margin-left: auto;
  margin-right: auto;
  box-shadow: var(--shadow-lg);
}

.process .wrap {
  padding: 6rem 3rem;
}

.process .sec-head h2 {
  color: white;
}

.process .sec-head p {
  color: var(--text-inverse-muted);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
  counter-reset: step;
}

.p-step {
  position: relative;
  padding-top: 3.5rem;
}

.p-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 0;
  left: 0;
  font-family: 'Archivo', sans-serif;
  font-size: 1rem;
  font-weight: 900;
  color: var(--amber);
  border: 2px solid rgba(255, 255, 255, 0.15);
  width: 40px;
  height: 40px;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
}

.p-step h3 {
  font-size: 1.125rem;
  font-weight: 800;
  color: white;
  margin-bottom: 0.75rem;
}

.p-step p {
  font-size: 0.95rem;
  color: var(--text-inverse-muted);
}

/* Differentiators */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.diff-item {
  padding: 1rem 0;
}

.diff-icon {
  width: 56px;
  height: 56px;
  border-radius: 1rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.diff-item:hover .diff-icon {
  transform: translateY(-4px) rotate(5deg);
  border-color: var(--sky);
}

.diff-item h3 {
  font-size: 1.125rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.diff-item p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* About */
.about {
  background: var(--bg-soft);
}

.about-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 4rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3rem;
  align-items: flex-start;
  box-shadow: var(--shadow-md);
}

.avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--sky));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 2rem;
  font-family: 'Archivo', sans-serif;
  flex-shrink: 0;
  box-shadow: var(--shadow-md);
}

.about-card h3 {
  font-size: 1.75rem;
  font-weight: 900;
  margin-bottom: 1.25rem;
}

.about-card p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1rem;
  max-width: 720px;
}

.about-meta {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.about-meta div {
  font-size: 1rem;
  font-weight: 800;
  color: var(--navy);
}

.about-meta div span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

/* Final CTA */
.final-cta {
  text-align: center;
  padding: 8rem 0;
  background: linear-gradient(to bottom, var(--bg-color), var(--sky-light));
}

.final-cta h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  margin-bottom: 1rem;
}

.final-cta p {
  color: var(--text-muted);
  font-size: 1.125rem;
  margin-bottom: 2.5rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.final-ctas {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer */
footer {
  background: var(--navy-dark);
  color: var(--text-inverse-muted);
  padding: 5rem 0 2rem;
  font-size: 0.9rem;
}

.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.foot-brand p {
  max-width: 320px;
  margin-top: 1.5rem;
  line-height: 1.6;
}

.foot-grid h4 {
  color: white;
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.foot-grid ul {
  list-style: none;
}

.foot-grid li {
  margin-bottom: 0.75rem;
}

.foot-grid li a {
  transition: color var(--transition-fast);
}

.foot-grid li a:hover {
  color: white;
}

.foot-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  color: #7089A3;
}

/* Responsive */
@media (max-width: 1024px) {
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); row-gap: 2.5rem; }
  .process-grid { grid-template-columns: repeat(2, 1fr); row-gap: 3rem; }
  .diff-grid { grid-template-columns: repeat(2, 1fr); row-gap: 2.5rem; }
}

@media (max-width: 768px) {
  .navlinks { display: none; }
  section { padding: 5rem 0; }
  .case-row { grid-template-columns: 1fr; gap: 2.5rem; }
  .case-row.rev .case-visual { order: 0; }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
  .about-card { grid-template-columns: 1fr; padding: 2.5rem; text-align: center; }
  .about-card .avatar { margin: 0 auto; }
  .about-meta { justify-content: center; }
  .process { margin: 0 1rem; }
  .process .wrap { padding: 4rem 2rem; }
  .hero h1.h1 { font-size: 2.5rem; }
}

@media (max-width: 600px) {
  .svc-grid, .stat-grid, .process-grid, .diff-grid, .foot-grid { grid-template-columns: 1fr; }
  .hero-ctas, .final-ctas { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}