/* Argentina Source & Brokerage — marketing site */

:root {
  --ink: #0e1a1c;
  --ink-soft: #2a3d41;
  --salt: #f4f7f6;
  --salt-dim: #e6eeed;
  --brine: #0f6e7c;
  --brine-deep: #0a4a54;
  --copper: #c17a3a;
  --paper: #fafcfb;
  --line: rgba(14, 26, 28, 0.12);
  --header-h: 4.25rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-display: "Syne", sans-serif;
  --font-body: "Outfit", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100%;
  z-index: 1000;
  padding: 0.6rem 1rem;
  background: var(--ink);
  color: var(--salt);
  font-weight: 500;
}

.skip-link:focus {
  top: 1rem;
}

.amp {
  font-weight: 600;
  opacity: 0.72;
}

/* Header */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--header-h);
  color: var(--salt);
  transition: background 0.35s var(--ease), backdrop-filter 0.35s var(--ease),
    border-color 0.35s var(--ease), color 0.35s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header .logo-mark {
  background: color-mix(in srgb, var(--salt) 90%, var(--brine));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--salt) 22%, transparent);
}

.site-header .nav a {
  color: color-mix(in srgb, var(--salt) 88%, transparent);
}

.site-header .nav a:hover,
.site-header .nav-cta {
  color: var(--salt) !important;
}

.site-header .nav-toggle span:not(.sr-only),
.site-header .nav-toggle span:not(.sr-only)::before,
.site-header .nav-toggle span:not(.sr-only)::after {
  background: var(--salt);
}

.site-header.is-scrolled {
  color: var(--ink);
  background: rgba(244, 247, 246, 0.88);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}

.site-header.is-scrolled .logo-mark {
  background: var(--brine);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brine) 28%, transparent);
}

.site-header.is-scrolled .nav a {
  color: var(--ink-soft);
}

.site-header.is-scrolled .nav a:hover {
  color: var(--ink);
}

.site-header.is-scrolled .nav-cta {
  color: var(--brine-deep) !important;
}

.site-header.is-scrolled .nav-toggle span:not(.sr-only),
.site-header.is-scrolled .nav-toggle span:not(.sr-only)::before,
.site-header.is-scrolled .nav-toggle span:not(.sr-only)::after {
  background: var(--ink);
}

.header-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-left: auto;
  flex-shrink: 0;
}

.lang-toggle {
  appearance: none;
  border: 1px solid color-mix(in srgb, var(--salt) 35%, transparent);
  background: color-mix(in srgb, var(--salt) 10%, transparent);
  color: var(--salt);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  line-height: 1;
  padding: 0.45rem 0.55rem;
  cursor: pointer;
  min-width: 2.35rem;
  text-align: center;
}

.site-header.is-scrolled .lang-toggle {
  border-color: var(--line);
  background: color-mix(in srgb, var(--salt) 70%, transparent);
  color: var(--ink);
}

.lang-toggle:hover {
  border-color: color-mix(in srgb, var(--salt) 70%, transparent);
}

.site-header.is-scrolled .lang-toggle:hover {
  border-color: var(--ink-soft);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  min-width: 0;
}

.logo-mark {
  width: 0.7rem;
  height: 0.7rem;
  flex-shrink: 0;
  background: var(--brine);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brine) 28%, transparent);
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.85rem, 2.2vw, 1rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

.nav a {
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color 0.2s ease;
}

.nav a:hover {
  color: var(--ink);
}

.nav-cta {
  color: var(--brine-deep) !important;
  font-weight: 600 !important;
}

.nav-toggle {
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  position: relative;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 1.25rem;
  height: 2px;
  margin: 0 auto;
  background: var(--ink);
  position: relative;
}

.nav-toggle span:not(.sr-only)::before,
.nav-toggle span:not(.sr-only)::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--ink);
}

.nav-toggle span:not(.sr-only)::before {
  top: -6px;
}

.nav-toggle span:not(.sr-only)::after {
  top: 6px;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem 1.5rem 1.25rem;
  background: rgba(244, 247, 246, 0.96);
  border-bottom: 1px solid var(--line);
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav a {
  text-decoration: none;
  font-weight: 500;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}

.mobile-nav a:last-child {
  border-bottom: 0;
  color: var(--brine-deep);
  font-weight: 600;
}

@media (min-width: 768px) {
  .nav {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }

  .mobile-nav {
    display: none !important;
  }
}

/* Hero — one composition, brand-first, full-bleed */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  color: var(--salt);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 45%;
  transform: scale(1.04);
  filter: saturate(1.05) contrast(1.08);
  animation: hero-drift 28s var(--ease) infinite alternate;
}

@keyframes hero-drift {
  from {
    transform: scale(1.04) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.1) translate3d(-1.5%, -1%, 0);
  }
}

.hero-wash {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      rgba(8, 22, 24, 0.45) 0%,
      rgba(8, 22, 24, 0.18) 28%,
      rgba(8, 22, 24, 0.35) 55%,
      rgba(8, 22, 24, 0.92) 100%
    ),
    linear-gradient(
      115deg,
      rgba(15, 110, 124, 0.32) 0%,
      transparent 48%
    );
}

.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  padding: calc(var(--header-h) + 1.5rem) 1.5rem 2.75rem;
}

.brand-hero {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.35rem, 9vw, 4.5rem);
  line-height: 0.95;
  letter-spacing: -0.045em;
  max-width: 14ch;
  color: #fff;
  text-shadow:
    0 1px 2px rgba(8, 22, 24, 0.55),
    0 8px 32px rgba(8, 22, 24, 0.45);
  animation: rise 0.9s var(--ease) both;
}

.hero h1 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.15rem, 2.8vw, 1.7rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
  max-width: 22ch;
  color: #f2f7f7;
  text-shadow: 0 2px 16px rgba(8, 22, 24, 0.5);
  animation: rise 0.9s var(--ease) 0.12s both;
}

.hero-lede {
  margin: 0 0 1.4rem;
  font-size: clamp(0.98rem, 2vw, 1.15rem);
  font-weight: 300;
  max-width: 36ch;
  color: rgba(244, 247, 246, 0.9);
  text-shadow: 0 2px 14px rgba(8, 22, 24, 0.45);
  animation: rise 0.9s var(--ease) 0.22s both;
}

@media (max-height: 640px) {
  .hero-lede {
    display: none;
  }

  .hero-content {
    padding-bottom: 1.5rem;
  }
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  animation: rise 0.9s var(--ease) 0.32s both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-media img {
    animation: none;
    transform: none;
  }

  .brand-hero,
  .hero h1,
  .hero-lede,
  .hero-actions,
  [data-reveal] {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease),
    border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--copper);
  color: #fff;
}

.btn-primary:hover {
  background: color-mix(in srgb, var(--copper) 88%, var(--ink));
}

.btn-ghost {
  background: transparent;
  color: var(--salt);
  border-color: color-mix(in srgb, var(--salt) 45%, transparent);
}

.btn-ghost:hover {
  border-color: var(--salt);
  background: color-mix(in srgb, var(--salt) 10%, transparent);
}

.btn-lg {
  padding: 1rem 1.6rem;
  font-size: 1.05rem;
}

/* Sections shared */

.section {
  padding: clamp(4.5rem, 10vw, 7.5rem) 0;
}

.section-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brine);
}

.section h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.85rem, 4.5vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  max-width: 16ch;
}

.section-lede {
  margin: 0 0 3rem;
  font-size: 1.125rem;
  font-weight: 300;
  color: var(--ink-soft);
  max-width: 42ch;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Engage */

.engage {
  background:
    radial-gradient(ellipse 80% 50% at 100% 0%, color-mix(in srgb, var(--brine) 12%, transparent), transparent 55%),
    linear-gradient(180deg, var(--salt) 0%, var(--paper) 100%);
}

.engage-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.engage-item {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 1.25rem;
  row-gap: 0.5rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
}

.engage-index {
  grid-row: 1 / -1;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  color: var(--brine);
  padding-top: 0.35rem;
}

.engage-item h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.5vw, 1.45rem);
  letter-spacing: -0.02em;
}

.engage-item p {
  margin: 0;
  grid-column: 2;
  color: var(--ink-soft);
  max-width: 48ch;
}

@media (min-width: 900px) {
  .engage-list {
    grid-template-columns: repeat(3, 1fr);
    border-top: 0;
    gap: 0;
  }

  .engage-item {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    padding: 0 1.75rem 0 0;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .engage-item:last-child {
    border-right: 0;
    padding-right: 0;
  }

  .engage-item:first-child {
    padding-left: 0;
  }

  .engage-index {
    grid-row: auto;
    margin-bottom: 1.25rem;
  }

  .engage-item p {
    grid-column: auto;
  }
}

/* Ground */

.ground {
  display: grid;
  gap: 0;
  padding: 0;
  background: var(--ink);
  color: var(--salt);
}

.ground-visual {
  min-height: 18rem;
  overflow: hidden;
}

.ground-visual img {
  width: 100%;
  height: 100%;
  min-height: 18rem;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.ground-copy {
  padding: clamp(3rem, 8vw, 5.5rem) 1.5rem;
  max-width: 36rem;
  margin: 0 auto;
  width: 100%;
}

.ground .eyebrow {
  color: color-mix(in srgb, var(--copper) 85%, white);
}

.ground h2 {
  color: var(--salt);
  max-width: 14ch;
}

.ground-copy > p:not(.eyebrow):not(.ground-note) {
  margin: 0 0 1.25rem;
  font-weight: 300;
  color: color-mix(in srgb, var(--salt) 78%, transparent);
  font-size: 1.1rem;
}

.ground-note {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: color-mix(in srgb, var(--salt) 92%, var(--brine));
  border-left: 3px solid var(--brine);
  padding-left: 1rem;
}

@media (min-width: 900px) {
  .ground {
    grid-template-columns: 1.15fr 1fr;
    min-height: 32rem;
  }

  .ground-visual {
    min-height: 100%;
  }

  .ground-visual img {
    min-height: 100%;
    height: 100%;
  }

  .ground-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin: 0;
    max-width: none;
    padding-left: clamp(2.5rem, 5vw, 4.5rem);
    padding-right: clamp(2rem, 4vw, 3.5rem);
  }
}

/* Leadership */

.leadership {
  background:
    linear-gradient(180deg, #d8dfe0 0%, #cfd6d7 55%, #c6cecf 100%);
}

.leadership-inner {
  display: grid;
  gap: 1.75rem;
  align-items: start;
}

@media (min-width: 900px) {
  .leadership-inner {
    grid-template-columns: minmax(16rem, 22rem) 1fr;
    gap: 2.5rem;
  }
}

.leadership-visual {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-width: 0;
}

.leadership-satellites {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.45rem;
}

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

@media (min-width: 480px) {
  .leadership-satellites--below {
    grid-template-columns: repeat(4, 1fr);
  }
}

.leadership-shot {
  margin: 0;
  min-width: 0;
}

.leadership-shot img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}

.leadership-shot figcaption {
  margin-top: 0.3rem;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.leadership-photo {
  margin: 0;
  min-width: 0;
}

.leadership-photo img,
.leadership-ph {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  display: block;
}

.leadership-photo figcaption {
  margin-top: 0.3rem;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.leadership-ph {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 0.35rem;
  padding: 1.15rem 1.25rem;
  background:
    linear-gradient(
      145deg,
      color-mix(in srgb, var(--brine) 14%, var(--salt-dim)) 0%,
      var(--salt-dim) 55%,
      color-mix(in srgb, var(--copper) 10%, var(--salt-dim)) 100%
    );
  border: 1px dashed color-mix(in srgb, var(--ink) 18%, transparent);
  color: var(--ink-soft);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.leadership-ph-file {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.75rem;
  letter-spacing: 0;
  opacity: 0.72;
}

.leadership-photo:not(.is-placeholder) .leadership-ph {
  display: none;
}

.leadership-copy h2 {
  margin-bottom: 0.25rem;
}

.leadership-title {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--brine-deep);
}

.leadership-bio {
  margin: 0 0 0.85rem;
  max-width: 38rem;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.leadership-bio + .btn {
  margin-top: 0.4rem;
}

/* Contact */

.contact {
  background:
    linear-gradient(
      160deg,
      color-mix(in srgb, var(--brine) 18%, var(--salt)) 0%,
      var(--salt) 45%,
      color-mix(in srgb, var(--copper) 8%, var(--salt)) 100%
    );
}

.contact-inner {
  text-align: left;
}

.contact .btn {
  margin-top: 0.5rem;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--paper);
  padding: 2rem 0 2.5rem;
}

.footer-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.footer-brand {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}

.footer-meta {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--ink-soft);
}

.footer-address {
  margin: 0.75rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: var(--ink-soft);
}