/* ============================
   LOGGANT — Brand Stylesheet
   v1.0
   ============================ */

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

/* --- Custom Properties --- */
:root {
  --tinta: #0B1F33;
  --acero: #5B8DB8;
  --hueso: #F1EFE8;
  --sep-light: #D8D4C8;
  --sep-dark: #22364A;

  --ff-heading: 'Space Grotesk', sans-serif;
  --ff-body: 'Inter', sans-serif;
  --ff-mono: 'IBM Plex Mono', monospace;

  --container: 1120px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --header-h: 4.5rem;
}

/* --- Base --- */
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--ff-body);
  font-weight: 400;
  font-size: clamp(0.9375rem, 1.1vw, 1.0625rem);
  line-height: 1.6;
  color: var(--tinta);
  background-color: var(--hueso);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3 {
  font-family: var(--ff-heading);
  font-weight: 700;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: 0.02em;
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: 0.06em;
}

h3 {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.2;
  letter-spacing: 0.08em;
}

.eyebrow {
  font-family: var(--ff-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--acero);
  margin-bottom: 1rem;
}

p + p {
  margin-top: 1em;
}

strong {
  font-weight: 600;
}

/* --- Layout --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.section--dark {
  background-color: var(--tinta);
  color: var(--hueso);
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: var(--hueso);
  border-bottom: 1px solid var(--sep-light);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-symbol {
  width: 1.5rem;
  height: auto;
  color: var(--tinta);
}

.logo-wordmark {
  font-family: var(--ff-heading);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--tinta);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link {
  font-family: var(--ff-body);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--tinta);
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.2s;
}

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

.nav__link--active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--acero);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--tinta);
  transition: transform 0.3s, opacity 0.3s;
}

.hamburger.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.is-active span:nth-child(2) {
  opacity: 0;
}

.hamburger.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Hero --- */
.hero {
  padding-top: calc(var(--header-h) + clamp(4rem, 10vw, 8rem));
  padding-bottom: clamp(4rem, 10vw, 8rem);
}

.hero--dark {
  background-color: var(--tinta);
  color: var(--hueso);
}

.hero h1 {
  max-width: 18ch;
  margin-bottom: 1.5rem;
}

.hero__sub {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  max-width: 44ch;
  margin-bottom: 2.5rem;
  opacity: 0.85;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--ff-heading);
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.875rem 2rem;
  border: 2px solid transparent;
  border-radius: 0;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.btn--primary {
  background-color: var(--acero);
  color: var(--tinta);
  border-color: var(--acero);
}

.btn--primary:hover {
  background-color: #4a7da8;
  border-color: #4a7da8;
}

.btn--outline {
  background-color: transparent;
  color: var(--acero);
  border-color: var(--acero);
}

.btn--outline:hover {
  background-color: var(--acero);
  color: var(--tinta);
}

.btn .arrow {
  transition: transform 0.2s;
}

.btn:hover .arrow {
  transform: translateX(4px);
}

/* Text link */
.link-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--ff-heading);
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--acero);
  transition: gap 0.2s;
}

.link-cta:hover {
  gap: 0.75rem;
}

/* --- Content --- */
.content-block {
  max-width: 640px;
}

.content-block h2 {
  margin-bottom: 1.5rem;
}

.content-block p {
  margin-bottom: 1rem;
}

.content-block--wide {
  max-width: 800px;
}

.content-block--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* --- Feature Grid --- */
.features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.feature {
  border-top: 2px solid var(--acero);
  padding-top: 1.5rem;
}

.feature h3 {
  margin-bottom: 0.75rem;
}

.feature p {
  font-size: 0.9375rem;
}

/* --- Pillar List --- */
.pillar-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.pillar-list li {
  padding-left: 1.25rem;
  position: relative;
}

.pillar-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 2px;
  background-color: var(--acero);
}

/* --- Method Steps --- */
.steps {
  counter-reset: step;
}

.step {
  counter-increment: step;
  padding: 2rem 0;
  border-bottom: 1px solid var(--sep-light);
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  align-items: baseline;
}

.step:first-child {
  border-top: 1px solid var(--sep-light);
}

.step__number {
  font-family: var(--ff-mono);
  font-size: 0.75rem;
  color: var(--acero);
  letter-spacing: 0.1em;
}

.step__number::before {
  content: counter(step, decimal-leading-zero);
}

.step h3 {
  margin-bottom: 0.5rem;
  text-transform: none;
  letter-spacing: 0;
  font-size: 1rem;
}

.step p {
  font-size: 0.9375rem;
}

/* --- Deliverables --- */
.deliverables {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.deliverables li {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
}

.deliverables li::before {
  content: '—';
  color: var(--acero);
  flex-shrink: 0;
  font-weight: 600;
}

/* --- Service Cards --- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.service-card {
  padding: clamp(2rem, 4vw, 3rem);
  border: 1px solid var(--sep-light);
}

.service-card--primary {
  background-color: var(--tinta);
  color: var(--hueso);
  border-color: var(--tinta);
}

.service-card__tag {
  font-family: var(--ff-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--acero);
  margin-bottom: 1rem;
  display: block;
}

.service-card h3 {
  margin-bottom: 1rem;
}

.service-card p {
  font-size: 0.9375rem;
}

/* --- FAQ --- */
.faq-list {
  max-width: 640px;
}

.faq-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--sep-light);
}

.faq-item:first-child {
  border-top: 1px solid var(--sep-light);
}

.faq-item h3 {
  text-transform: none;
  letter-spacing: 0;
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.faq-item p {
  font-size: 0.9375rem;
}

/* --- Form --- */
.form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 640px;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form__label {
  font-family: var(--ff-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--acero);
}

.form__input,
.form__textarea {
  font-family: var(--ff-body);
  font-size: 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--sep-light);
  background-color: transparent;
  color: var(--tinta);
  border-radius: 0;
  transition: border-color 0.2s;
  -webkit-appearance: none;
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--acero);
}

.form__textarea {
  min-height: 140px;
  resize: vertical;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

/* --- Contact Actions --- */
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: stretch;
}

.contact-actions .btn {
  flex: 1;
  justify-content: center;
  min-width: 200px;
}

.btn--lg {
  padding: 1.125rem 2.5rem;
  font-size: 0.875rem;
}

.btn__icon {
  width: 1.125rem;
  height: 1.125rem;
  flex-shrink: 0;
}

/* --- Footer --- */
.footer {
  background-color: var(--tinta);
  color: var(--hueso);
  padding: 3rem 0;
  margin-top: clamp(2rem, 4vw, 4rem);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.footer .logo-symbol {
  color: var(--hueso);
}

.footer .logo-wordmark {
  color: var(--hueso);
}

.footer__copy {
  font-family: var(--ff-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  opacity: 0.5;
}

.footer__nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer__nav a {
  font-size: 0.875rem;
  opacity: 0.6;
  transition: opacity 0.2s;
}

.footer__nav a:hover {
  opacity: 1;
}

/* --- Legal --- */
.legal-text h2 {
  margin-top: 2.5rem;
}

.legal-text h3 {
  text-transform: none;
  letter-spacing: 0;
  font-size: 1rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.legal-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.legal-list li {
  padding-left: 1.25rem;
  position: relative;
}

.legal-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 2px;
  background-color: var(--acero);
}

.legal-text a {
  color: var(--acero);
  text-decoration: underline;
}

.footer__legal {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.footer__legal a {
  font-size: 0.75rem;
  opacity: 0.4;
  transition: opacity 0.2s;
}

.footer__legal a:hover {
  opacity: 0.8;
}

/* --- Utility --- */
.mt-sm { margin-top: 1.5rem; }
.mt-md { margin-top: clamp(2rem, 4vw, 3rem); }
.mt-lg { margin-top: clamp(3rem, 6vw, 5rem); }
.mb-md { margin-bottom: clamp(2rem, 4vw, 3rem); }

/* --- Responsive --- */
@media (min-width: 768px) {
  .features {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }

  .form__row {
    grid-template-columns: 1fr 1fr;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }

  .two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
  }
}

@media (max-width: 767px) {
  .hamburger {
    display: flex;
  }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 3rem var(--gutter);
    gap: 1.5rem;
    background-color: var(--hueso);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    border-top: 1px solid var(--sep-light);
  }

  .nav.is-open {
    transform: translateX(0);
  }

  .nav__link {
    font-size: 1.25rem;
  }
}

@media print {
  .header, .footer, .hamburger {
    display: none;
  }
  body {
    color: #000;
    background: #fff;
  }
}