/*
Theme Name: S.I.Partners Theme
Author: S.I.Partners
Version: 1.0
*/

:root {
  --bg: #0b1220;
  --bg-light: #0f172a;
  --accent: #38bdf8;
  --accent-soft: rgba(56, 189, 248, 0.2);
  --text-main: #e5e7eb;
  --text-muted: #9ca3af;
  --card-bg: #020617;
  --border-subtle: rgba(148, 163, 184, 0.2);
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #111827 0, #020617 55%, #020617 100%);
  color: var(--text-main);
  line-height: 1.6;
}

/* LINKS */
a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* LAYOUT */
header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  background: radial-gradient(circle at top, rgba(56, 189, 248, 0.08), transparent 55%);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
}
.site-logo {
  width: 85px;
  height: auto;
  display: block;
}
.logo-link {
  display: inline-block;
}
.logo-text {
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.9rem;
  text-transform: uppercase;
  color: var(--text-muted);
}
.tagline-small {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* NAV */
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
nav a {
  font-size: 0.9rem;
  color: var(--text-main);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid transparent;
}
nav a:hover {
  border-color: var(--accent-soft);
  text-decoration: none;
}
nav a.active {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.12);
}

/* MAIN CONTAINER */
main {
  padding: 2rem 1.5rem 3rem;
}
.content {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* HERO */
.hero {
  margin-top: 1.5rem;
}
.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
h1 {
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin: 0 0 0.75rem;
}
.hero-subtitle {
  max-width: 650px;
  color: var(--text-muted);
  font-size: 0.98rem;
  margin-bottom: 1.5rem;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1.75rem;
}
.hero-keywords {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
}
.hero-keywords span {
  position: relative;
  padding-right: 0.8rem;
}
.hero-keywords span::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 2px;
  border-radius: 999px;
  background: var(--border-subtle);
}
.hero-keywords span:last-child::after {
  display: none;
}

/* BUTTONS */
.btn-primary,
.btn-outline {
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #0b1120;
  padding: 0.7rem 1.4rem;
  border: none;
  box-shadow: 0 10px 25px rgba(56, 189, 248, 0.25);
}
.btn-primary:hover {
  filter: brightness(1.06);
  transform: translateY(-1px);
}
.btn-outline {
  border: 1px solid var(--border-subtle);
  padding: 0.65rem 1.25rem;
  color: var(--text-muted);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--accent-soft);
}

/* GENERIC SECTIONS */
.section-label {
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.4rem;
}
h2 {
  margin: 0 0 0.75rem;
  font-size: 1.5rem;
}
.section-intro {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 650px;
  margin-bottom: 1.5rem;
}

/* GRID LAYOUT */
.grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: 1.75rem;
  align-items: flex-start;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

/* CARDS */
.service-card {
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.05), #020617);
  border-radius: 1rem;
  padding: 1.2rem 1.2rem 1.3rem;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 14px 35px rgba(15, 23, 42, 0.85);
}
.service-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}
.service-card p {
  margin: 0 0 0.8rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.service-tagline {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 0.4rem;
}
.bullet-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}
.bullet-list li {
  margin-bottom: 0.3rem;
  padding-left: 1rem;
  position: relative;
}
.bullet-list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* SIDE PANEL */
.side-panel {
  border-radius: 1rem;
  border: 1px solid var(--border-subtle);
  background: linear-gradient(145deg, rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.98));
  padding: 1.2rem 1.3rem;
}
.side-panel h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}
.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.8rem 0 0.8rem;
}
.pill {
  border-radius: 999px;
  font-size: 0.75rem;
  padding: 0.2rem 0.7rem;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  background: rgba(15, 23, 42, 0.9);
}

/* CTA SECTION */
.cta-section {
  margin-top: 3rem;
  border-radius: 1.2rem;
  padding: 1.7rem 1.4rem;
  border: 1px solid var(--accent-soft);
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.12), #020617);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.cta-section h2 {
  margin-bottom: 0.3rem;
}
.cta-section p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 550px;
}

/* ABOUT PAGE */
.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 1.75rem;
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
}
.stat-card {
  border-radius: 0.9rem;
  border: 1px solid var(--border-subtle);
  padding: 0.9rem 1rem;
  background: rgba(15, 23, 42, 0.95);
  font-size: 0.88rem;
}
.stat-card strong {
  display: block;
  font-size: 1.2rem;
  margin-bottom: 0.25rem;
}

/* CONTACT FORM */
form {
  margin-top: 1rem;
}
label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.25rem;
  color: var(--text-muted);
}
input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  border-radius: 0.75rem;
  border: 1px solid var(--border-subtle);
  background: #020617;
  color: var(--text-main);
  padding: 0.6rem 0.75rem;
  font-family: inherit;
  font-size: 0.92rem;
  margin-bottom: 0.75rem;
}
textarea {
  min-height: 130px;
  resize: vertical;
}
input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
}

/* FOOTER */
footer {
  border-top: 1px solid var(--border-subtle);
  padding: 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  background: #020617;
}

/* PARTNERS PAGE */

.partners-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
  padding-bottom: 2rem;
}


.partner-card {
  text-align: center;
  transition: transform 0.18s ease-out, box-shadow 0.18s ease-out, border-color 0.18s ease-out, opacity 0.15s ease-out;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}

/* On hover, still use your existing card style */
.partner-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.9);
  border-color: var(--accent-soft);
}

/* -------------------------------------------------- */
/* UNIFORM PARTNER LOGO SIZING */
/* -------------------------------------------------- */

/* Container box */
.partner-logo-wrap {
  width: 120px;                 /* FIXED WIDTH */
  height: 60px;                 /* FIXED HEIGHT */
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.6rem auto;
  overflow: hidden;             /* prevents spill-out */
}

/* Logos inside the box */
.partner-logo {
  max-width: 120px;
  max-height: 60px;
  width: auto !important;
  height: auto !important;
  object-fit: contain;          /* ensures no stretching */
  display: block;
}

/* Text styling */
.partner-name {
  margin: 0.1rem 0 0.1rem;
  font-size: 0.98rem;
}

.partner-category-label {
  margin: 0;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.partner-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

/* Filter Buttons */
.partner-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.5rem 0 1.5rem;
}

.partner-filter-btn {
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: rgba(15, 23, 42, 0.9);
  color: var(--text-muted);
  font-size: 0.8rem;
  padding: 0.35rem 0.9rem;
  cursor: pointer;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background 0.16s ease-out, border-color 0.16s ease-out, color 0.16s ease-out, transform 0.1s ease-out;
}

.partner-filter-btn:hover {
  border-color: var(--accent-soft);
  color: var(--text-main);
  transform: translateY(-1px);
}

.partner-filter-btn.active {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.16);
  color: var(--text-main);
}

/* Hidden animation helper */
.partner-hidden {
  opacity: 0;
}

/* Filter Buttons */

.partner-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.5rem 0 1.5rem;
}

.partner-filter-btn {
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: rgba(15, 23, 42, 0.9);
  color: var(--text-muted);
  font-size: 0.8rem;
  padding: 0.35rem 0.9rem;
  cursor: pointer;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background 0.16s ease-out, border-color 0.16s ease-out, color 0.16s ease-out, transform 0.1s ease-out;
}

.partner-filter-btn:hover {
  border-color: var(--accent-soft);
  color: var(--text-main);
  transform: translateY(-1px);
}

.partner-filter-btn.active {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.16);
  color: var(--text-main);
}

/* Hidden animation helper */
.partner-hidden {
  opacity: 0;
}

/* ========================= */
/* HEADER & NAVIGATION */
/* ========================= */

.site-header {
  padding: 1.2rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 40;
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.98), #020617);
  transition:
    padding 0.18s ease-out,
    background 0.2s ease-out,
    box-shadow 0.2s ease-out;
}

.site-header.shrunk {
  padding: 0.6rem 1.2rem;
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.98), #020617);
  box-shadow: 0 14px 38px rgba(15, 23, 42, 0.9);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

/* Branding */

.branding {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}

.site-logo {
  width: 52px;
  height: auto;
  flex-shrink: 0;
  transition: width 0.18s ease-out;
}

.site-header.shrunk .site-logo {
  width: 42px;
}

.branding-text {
  display: flex;
  flex-direction: column;
}

.site-name {
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.site-tagline {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Desktop nav */

.site-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.site-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--text-muted);
  position: relative;
}

.site-nav a.active,
.site-nav a:hover {
  color: #e5f3ff;
}

.site-nav a.active::after,
.site-nav a:hover::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.3rem;
  margin: 0 auto;
  width: 60%;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
}

/* Hamburger toggle */

.nav-toggle {
  display: none;
  border: 1px solid var(--border-subtle);
  background: rgba(15, 23, 42, 0.96);
  border-radius: 999px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: #e5e7eb;
  display: block;
  margin: 2px 0;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

/* Turn hamburger into X when open */
.nav-toggle.nav-open span:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}
.nav-toggle.nav-open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.nav-open span:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Backdrop for mobile menu */
.mobile-nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.78);
  z-index: 20;
}

.mobile-nav-backdrop.visible {
  display: block;
}

/* --------------------- */
/* MOBILE STYLES */
/* --------------------- */

@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: center;
  }

  /* Center logo + name */
  .branding {
    justify-content: center;
    text-align: center;
  }

  .site-tagline {
    font-size: 0.72rem;
  }

  /* Show hamburger */
  .nav-toggle {
    display: inline-flex;
    margin-top: 0.25rem;
  }

  .site-nav {
    width: 100%;
  }

  .site-nav .nav-links {
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;

    /* Slide-down animation base state */
    max-height: 0;
    opacity: 0;
    transform: translateY(-6px);
    overflow: hidden;
    transition:
      max-height 0.25s ease-out,
      opacity 0.18s ease-out,
      transform 0.18s ease-out;
  }

  /* When nav is open on mobile */
  .site-nav .nav-links.nav-open {
    max-height: 500px; /* enough for all links */
    opacity: 1;
    transform: translateY(0);
  }

  .site-nav a {
    font-size: 0.95rem;
  }
}

/* RESPONSIVE */
@media (max-width: 900px) {
  header {
    padding: 1.1rem 1.25rem;
  }
  main {
    padding: 1.8rem 1.25rem 2.3rem;
  }
  .grid,
  .two-column {
    grid-template-columns: minmax(0, 1fr);
  }
  .cta-section {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 600px) {
  h1 {
    font-size: 1.9rem;
  }
  .hero-subtitle {
    font-size: 0.92rem;
  }
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-primary,
  .btn-outline {
    width: 100%;
    text-align: center;
    white-space: normal;
  }
  .hero-keywords {
    font-size: 0.7rem;
    letter-spacing: 0.12em;
  }
  .services-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .service-card {
    padding: 1rem 0.95rem 1.1rem;
  }
  .cta-section h2 {
    font-size: 1.25rem;
  }
  .site-logo {
    width: 65px;
  }
}

/* ------------------------------ */
/* PARTNERS PAGE – BRANDED CELLS */
/* ------------------------------ */

/* Grid stays the same (5 columns on desktop) */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
  padding-bottom: 2rem;
}

/* Card background + border using brand palette */
.partner-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;

  background: radial-gradient(circle at top, rgba(14, 159, 171, 0.10), #0f172a);
  border: 1px solid rgba(28, 199, 208, 0.35);        /* brand teal border */
  transition:
    transform 0.18s ease-out,
    box-shadow 0.18s ease-out,
    border-color 0.18s ease-out,
    opacity 0.15s ease-out;
}

.partner-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.9);
  border-color: rgba(28, 199, 208, 0.85);           /* stronger teal on hover */
}

/* LOGO PANEL using brand blue-green + hover brighten */
.partner-logo-wrap {
  width: 140px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0.4rem auto 0.7rem auto;
  border-radius: 0.75rem;

  background: rgba(28, 199, 208, 0.18);             /* subtle aqua tint */
  border: 1px solid rgba(28, 199, 208, 0.35);
  transition:
    background 0.16s ease-out,
    border-color 0.16s ease-out;
}

.partner-card:hover .partner-logo-wrap {
  background: rgba(28, 199, 208, 0.30);             /* brighter on hover */
  border-color: rgba(28, 199, 208, 0.8);
}

/* Logo sizing + grayscale → color on hover */
.partner-logo {
  max-width: 130px;
  max-height: 60px;
  width: auto !important;
  height: auto !important;
  object-fit: contain;
  display: block;

  filter: grayscale(100%);                           /* default: grayscale */
  transition: filter 0.18s ease-out;
}

.partner-card:hover .partner-logo {
  filter: grayscale(0%);                             /* on hover: full color */
}

/* Text */
.partner-name {
  margin: 0.1rem 0 0.1rem;
  font-size: 0.98rem;
}

.partner-category-label {
  margin: 0;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.partner-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

/* Filter buttons (unchanged but included for completeness) */
.partner-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.5rem 0 1.5rem;
}

.partner-filter-btn {
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: rgba(15, 23, 42, 0.9);
  color: var(--text-muted);
  font-size: 0.8rem;
  padding: 0.35rem 0.9rem;
  cursor: pointer;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition:
    background 0.16s ease-out,
    border-color 0.16s ease-out,
    color 0.16s ease-out,
    transform 0.1s ease-out;
}

.partner-filter-btn:hover {
  border-color: var(--accent-soft);
  color: var(--text-main);
  transform: translateY(-1px);
}

.partner-filter-btn.active {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.16);
  color: var(--text-main);
}

/* Hidden animation helper */
.partner-hidden {
  opacity: 0;
}

@media (max-width: 1024px) {
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .partners-grid { grid-template-columns: 1fr; }
}

/* HEADER LAYOUT */

.site-header {
  padding: 1.2rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 40;
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.98), #020617);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.branding {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}

.site-logo {
  width: 52px;
  height: auto;
  flex-shrink: 0;
}

.branding-text {
  display: flex;
  flex-direction: column;
}

.site-name {
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.site-tagline {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Desktop nav */

.site-nav .nav-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.site-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--text-muted);
  position: relative;
}

.site-nav a.active,
.site-nav a:hover {
  color: #e5f3ff;
}

.site-nav a.active::after,
.site-nav a:hover::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.3rem;
  margin: 0 auto;
  width: 60%;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
}

/* Hamburger (hidden on desktop) */

.nav-toggle {
  display: none;
  border: 1px solid var(--border-subtle);
  background: rgba(15, 23, 42, 0.96);
  border-radius: 999px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: #e5e7eb;
  display: block;
  margin: 2px 0;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

/* X icon when open */
.nav-toggle.nav-open span:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}
.nav-toggle.nav-open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.nav-open span:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* --------------------- */
/* MOBILE STYLES */
/* --------------------- */

@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: center;
  }

  /* Center logo + text */
  .branding {
    justify-content: center;
    text-align: center;
  }

  .site-tagline {
    font-size: 0.72rem;
  }

  /* Show hamburger, hide inline nav */
  .nav-toggle {
    display: inline-flex;
    margin-top: 0.25rem;
  }

  .site-nav {
    width: 100%;
  }

  .site-nav .nav-links {
    display: none;                 /* hidden by default on mobile */
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
  }

  .site-nav .nav-links.nav-open {
    display: flex;                 /* shown when toggled */
  }

  .site-nav a {
    font-size: 0.95rem;
  }
}