/* IBYS Legal — Landing compacta de presentación */
:root {
  --navy: #4E1829;
  --navy-deep: #3C1220;
  --white: #fff;
  --ink: #4E1829;
  --muted: rgba(78, 24, 41, 0.70);
  --line: rgba(78, 24, 41, 0.18);
  --whatsapp: #25D366;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--white);
  color: var(--ink);
  font-family: Inter, Manrope, Montserrat, "Segoe UI", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

.landing {
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 43%) minmax(0, 57%);
  overflow: hidden;
}

.visual-panel {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--navy);
  isolation: isolate;
}

.visual-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: .25;
  pointer-events: none;
}

.brand-watermark {
  position: absolute;
  left: -6vw;
  top: 50%;
  transform: translateY(-50%) rotate(-90deg);
  color: rgba(255,255,255,.045);
  font-size: clamp(6rem, 16vw, 14rem);
  line-height: 1;
  letter-spacing: .16em;
  font-weight: 500;
  user-select: none;
  z-index: -1;
}

.portrait-circle {
  width: min(100%, 540px);
  aspect-ratio: 1;
  border: 0;
  border-radius: 0;
  overflow: visible;
  background: transparent;
  box-shadow: none;
}

.portrait {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  object-position: center;
}

.visual-caption {
  position: absolute;
  left: clamp(1.5rem, 5vw, 4rem);
  bottom: clamp(1.5rem, 5vh, 3rem);
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--white);
}

.visual-caption p {
  margin: 0;
  font-size: .78rem;
  letter-spacing: .24em;
  text-transform: uppercase;
}

.caption-line {
  display: block;
  width: 52px;
  height: 1px;
  background: rgba(255,255,255,.75);
}

.content-panel {
  min-height: 100svh;
  display: grid;
  align-items: center;
  background: var(--white);
}

.content {
  width: min(680px, 100%);
  margin-inline: auto;
  padding: clamp(2rem, 5vw, 5rem);
}

.logo-wrap {
  width: 260px;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--white);
  margin-bottom: 1.7rem;
  border-radius: 50%;
  box-shadow: 0 18px 44px rgba(0,0,0,.12);
}

.logo {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center 12%;
}

.identity h1 {
  margin: 0;
  max-width: 16ch;
  font-size: clamp(2.1rem, 4.2vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: -.045em;
  font-weight: 520;
}

.profession {
  margin: 1.25rem 0 .25rem;
  font-size: 1.5rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 650;
}

.registration {
  margin: 0;
  font-size: .93rem;
  letter-spacing: .08em;
  color: var(--muted);
}

.tagline {
  margin: 1.25rem 0 0;
  max-width: 34rem;
  color: var(--muted);
  line-height: 1.7;
}

.contact-block {
  margin: clamp(1.7rem, 4vh, 2.4rem) 0;
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: .9rem;
  font-style: normal;
}

.contact-row {
  display: grid;
  grid-template-columns: 1.35rem minmax(0, 1fr);
  gap: .8rem;
  align-items: center;
  text-decoration: none;
  transition: transform .25s var(--ease);
}

.contact-row:hover {
  transform: translateX(4px);
}

.contact-row small {
  display: block;
  margin-bottom: .08rem;
  color: var(--muted);
  font-size: .67rem;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.contact-icon {
  width: 1.2rem;
  height: 1.2rem;
}

.contact-icon svg,
.btn svg,
.whatsapp-floating svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.55;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.actions {
  display: grid;
  gap: .8rem;
}

.secondary-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .8rem;
}

.btn {
  min-height: 49px;
  padding: .9rem 1rem;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: .6rem;
  border: 1px solid var(--navy);
  text-decoration: none;
  font-size: .84rem;
  font-weight: 650;
  letter-spacing: .015em;
  transition:
    transform .25s var(--ease),
    background-color .25s var(--ease),
    color .25s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

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

.btn-primary svg {
  width: 1.15rem;
  height: 1.15rem;
}

.btn-primary:hover {
  background: var(--navy-deep);
}

.btn-outline {
  color: var(--navy);
  background: var(--white);
}

.btn-outline:hover {
  color: var(--white);
  background: var(--navy);
}

.whatsapp-floating {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: 20;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--whatsapp);
  box-shadow: 0 12px 28px rgba(0,0,0,.18);
  transition: transform .25s var(--ease);
}

.whatsapp-floating:hover {
  transform: translateY(-3px) scale(1.02);
}

.whatsapp-floating svg {
  width: 28px;
  height: 28px;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
}

@media (max-width: 860px) {
  .landing {
    display: flex;
    flex-direction: column;
    min-height: auto;
  }

  .content-panel {
    order: 1;
    min-height: auto;
  }

  .visual-panel {
    order: 2;
    min-height: 52svh;
  }

  .content {
    padding: 1.5rem 1.1rem 2.1rem;
    text-align: center;
  }

  .logo-wrap {
    width: 240px;
    margin: 0 auto 1.25rem;
  }

  .identity h1 {
    max-width: none;
    font-size: clamp(2rem, 9vw, 3.25rem);
  }

  .tagline {
    margin-inline: auto;
  }

  .contact-block {
    text-align: left;
    max-width: 34rem;
    margin-inline: auto;
  }

  .portrait-circle {
    width: min(58vw, 420px);
  }

  .brand-watermark {
    font-size: 7rem;
    left: -4rem;
  }
}

@media (max-width: 520px) {
  .secondary-actions {
    grid-template-columns: 1fr;
  }

  .contact-row span:last-child {
    overflow-wrap: anywhere;
  }

  .visual-panel {
    min-height: 48svh;
  }

  .visual-caption {
    left: 1rem;
    bottom: 1rem;
  }

  .whatsapp-floating {
    width: 50px;
    height: 50px;
    right: .8rem;
    bottom: .8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}