/* ==============================================
   EXELENTIS CONSULTING — styles.css
   Mobile-first, single CSS file
   ============================================== */

/* ── Custom Properties ───────────────────────── */
:root {
  /* Colors */
  --clr-primary:       #1a56db;
  --clr-primary-dark:  #1347c0;
  --clr-primary-light: #e8f0fd;
  --clr-accent:        #0ea5e9;   /* teal/sky accent */
  --clr-accent-2:      #f97316;   /* orange for highlights */

  --clr-navy:          #0f172a;
  --clr-dark:          #1e293b;
  --clr-body:          #334155;
  --clr-muted:         #64748b;
  --clr-border:        #e2e8f0;

  --clr-bg:            #ffffff;
  --clr-bg-alt:        #f8fafc;
  --clr-bg-dark:       #0f172a;

  /* Typography */
  --font-sans:   'DM Sans', system-ui, sans-serif;
  --font-serif:  'DM Serif Display', Georgia, serif;

  --text-xs:    0.75rem;
  --text-sm:    0.875rem;
  --text-base:  1rem;
  --text-lg:    1.125rem;
  --text-xl:    1.25rem;
  --text-2xl:   1.5rem;
  --text-3xl:   1.875rem;
  --text-4xl:   2.25rem;
  --text-5xl:   3rem;
  --text-6xl:   3.75rem;

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-max: 1200px;
  --container-pad: 1.25rem;

  /* Effects */
  --radius-sm:  0.375rem;
  --radius-md:  0.75rem;
  --radius-lg:  1rem;
  --radius-xl:  1.5rem;
  --radius-full: 9999px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:  0 10px 40px rgba(0,0,0,.12);
  --shadow-card: 0 2px 12px rgba(26, 86, 219, .06), 0 1px 4px rgba(0,0,0,.06);

  --transition: 0.25s ease;
  --transition-fast: 0.15s ease;

  /* Navbar */
  --navbar-h: 100px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-h);
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--clr-body);
  background: var(--clr-bg);
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

textarea {
  resize: vertical;
  min-height: 130px;
}

/* ── Container ───────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* ── Utility ─────────────────────────────────── */
.br-desktop { display: none; }

@media (min-width: 768px) {
  :root { --container-pad: 2rem; }
  .br-desktop { display: inline; }
}

@media (min-width: 1024px) {
  :root { --container-pad: 2.5rem; }
}

/* ── Scroll-Reveal Animations ────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal--delay-1 { transition-delay: 0.12s; }
.reveal--delay-2 { transition-delay: 0.24s; }
.reveal--delay-3 { transition-delay: 0.36s; }
.reveal--delay-4 { transition-delay: 0.48s; }

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

/* ── Buttons ─────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background var(--transition), color var(--transition),
              transform var(--transition-fast), box-shadow var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--clr-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(26, 86, 219, 0.3);
}

.btn--primary:hover {
  background: var(--clr-primary-dark);
  box-shadow: 0 6px 28px rgba(26, 86, 219, 0.4);
}

.btn--ghost {
  background: transparent;
  color: rgba(255,255,255,0.9);
  border: 1.5px solid rgba(255,255,255,0.35);
}

.btn--ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
  color: #fff;
}

.btn--full { width: 100%; justify-content: center; }

/* ── Section Shared ──────────────────────────── */
.section {
  padding-block: var(--space-16);
}

@media (min-width: 768px) {
  .section { padding-block: var(--space-20); }
}

@media (min-width: 1024px) {
  .section { padding-block: var(--space-24); }
}

.section--alt {
  background: var(--clr-bg-alt);
}

.section__header {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}

.section__label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-primary);
  background: var(--clr-primary-light);
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}

.section__title {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  color: var(--clr-navy);
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .section__title { font-size: var(--text-4xl); }
}

.section__subtitle {
  font-size: var(--text-lg);
  color: var(--clr-muted);
  line-height: 1.6;
}

/* ========================================
   NAVBAR
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--navbar-h);
  display: flex;
  align-items: center;
  transition: background var(--transition), box-shadow var(--transition),
              backdrop-filter var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--clr-border), var(--shadow-sm);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  width: 100%;
}

/* Logo */
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.navbar__logo-img {
  height: 130px;
  width: auto;
  object-fit: contain;
}

.navbar__logo-text {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: #fff;
  font-weight: 400;
  letter-spacing: -0.01em;
  transition: color var(--transition);
}

.navbar.scrolled .navbar__logo-text { color: var(--clr-navy); }

.logo-icon {
  color: var(--clr-primary);
  font-size: 0.8em;
}

/* Nav Links */
.navbar__links {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

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

.nav-link {
  padding: 0.4rem 0.85rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  border-radius: var(--radius-full);
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover { color: #fff; background: rgba(255,255,255,0.1); }

.navbar.scrolled .nav-link { color: var(--clr-body); }
.navbar.scrolled .nav-link:hover { color: var(--clr-primary); background: var(--clr-primary-light); }

.nav-link--cta {
  color: #fff !important;
  background: var(--clr-primary);
  padding: 0.45rem 1.15rem;
  box-shadow: 0 2px 12px rgba(26,86,219,0.3);
}

.nav-link--cta:hover {
  background: var(--clr-primary-dark) !important;
  box-shadow: 0 4px 18px rgba(26,86,219,0.4) !important;
}

/* Hamburger */
.navbar__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px;
}

.navbar__hamburger span {
  display: block;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition), background var(--transition);
}

.navbar.scrolled .navbar__hamburger span { background: var(--clr-navy); }

.navbar__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.navbar__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (min-width: 768px) {
  .navbar__hamburger { display: none; }
}

/* Mobile Nav Drawer */
.navbar__links.mobile-open {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  position: fixed;
  top: var(--navbar-h);
  left: 0;
  right: 0;
  background: rgba(15, 23, 42, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: var(--space-6) var(--space-4) var(--space-8);
  gap: var(--space-2);
  border-top: 1px solid rgba(255,255,255,0.08);
  animation: slideDown 0.25s ease;
}

.navbar.scrolled .navbar__links.mobile-open {
  background: rgba(255,255,255,0.97);
  border-top: 1px solid var(--clr-border);
}

.navbar.scrolled .navbar__links.mobile-open .nav-link { color: var(--clr-body); }
.navbar.scrolled .navbar__links.mobile-open .nav-link:hover { color: var(--clr-primary); }

.navbar__links.mobile-open .nav-link {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: var(--text-base);
}

.navbar__links.mobile-open .nav-link--cta {
  margin-top: var(--space-2);
  text-align: center;
  justify-content: center;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ========================================
   HERO
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--clr-navy);
  padding-top: var(--navbar-h);
}

/* Geometric gradient background */
.hero__bg-pattern {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 70% at 60% 40%, rgba(26,86,219,.45) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 10% 80%, rgba(14,165,233,.25) 0%, transparent 55%),
    radial-gradient(ellipse 40% 40% at 90% 15%, rgba(249,115,22,.15) 0%, transparent 50%);
}

/* Subtle grid overlay */
.hero__grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-block: var(--space-20) var(--space-16);
  max-width: 820px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-accent);
  border: 1px solid rgba(14,165,233,0.35);
  background: rgba(14,165,233,0.08);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.hero__headline {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  color: #fff;
  line-height: 1.12;
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.hero__headline--accent {
  background: linear-gradient(135deg, var(--clr-accent) 0%, var(--clr-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  margin-bottom: var(--space-10);
  max-width: 580px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat__num {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  color: #fff;
  line-height: 1;
}

.stat__label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat__divider {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,0.15);
}

/* Scroll cue */
.hero__scroll-cue {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  opacity: 0.5;
  transition: opacity var(--transition);
  z-index: 1;
}

.hero__scroll-cue:hover { opacity: 1; }

.hero__scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(45deg);
  animation: bounce 1.6s infinite;
}

@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50%       { transform: rotate(45deg) translateY(5px); }
}

/* ========================================
   ABOUT
   ======================================== */
.about__grid {
  display: grid;
  gap: var(--space-12);
}

@media (min-width: 900px) {
  .about__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
  }
}

.about__story p {
  color: var(--clr-body);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}

.about__story p:last-child { margin-bottom: 0; }

.about__values-title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--clr-navy);
  margin-bottom: var(--space-6);
}

.values-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.values-list__item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.values-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-primary-light);
  color: var(--clr-primary);
  border-radius: var(--radius-md);
  margin-top: 2px;
}

.values-list__item strong {
  display: block;
  font-weight: 600;
  color: var(--clr-navy);
  margin-bottom: 2px;
}

.values-list__item p {
  font-size: var(--text-sm);
  color: var(--clr-muted);
  line-height: 1.6;
}

/* ========================================
   SERVICES
   ======================================== */
.services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 600px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .services__grid { grid-template-columns: repeat(3, 1fr); }
}

.service-card {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: default;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-primary-light);
  color: var(--clr-primary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
  transition: background var(--transition), color var(--transition);
}

.service-card:hover .service-card__icon {
  background: var(--clr-primary);
  color: #fff;
}

.service-card__title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--clr-navy);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.service-card__desc {
  font-size: var(--text-sm);
  color: var(--clr-muted);
  line-height: 1.65;
}

/* ========================================
   INDUSTRIES
   ======================================== */
.industries__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 600px) {
  .industries__grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 900px) {
  .industries__grid { gap: var(--space-6); }
}

.industry-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-4);
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: default;
}

.industry-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--clr-primary);
}

.industry-card__icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-primary-light);
  color: var(--clr-primary);
  border-radius: var(--radius-lg);
  transition: background var(--transition), color var(--transition);
}

.industry-card:hover .industry-card__icon {
  background: var(--clr-primary);
  color: #fff;
}

.industry-card h3 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--clr-navy);
  line-height: 1.35;
}

/* ========================================
   EXPERTISE / WHY CHOOSE US
   ======================================== */
.expertise__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 700px) {
  .expertise__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .expertise__grid { grid-template-columns: repeat(3, 1fr); }
}

/* Last item centers in 3-col layout if 5 items */
@media (min-width: 1024px) {
  .expertise__grid > .expertise-item:last-child:nth-child(3n - 1) {
    grid-column: span 1;
  }
  .expertise__grid > .expertise-item:nth-last-child(2):nth-child(3n + 1) {
    grid-column: 1;
  }
  .expertise__grid > .expertise-item:last-child:nth-child(3n + 2) {
    grid-column: 2;
  }
}

.expertise-item {
  display: flex;
  gap: var(--space-6);
  padding: var(--space-6);
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  align-items: flex-start;
  transition: transform var(--transition), box-shadow var(--transition);
}

.expertise-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.expertise-item__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--clr-primary) 0%, var(--clr-accent) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
}

.expertise-item__body h3 {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--clr-navy);
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.expertise-item__body p {
  font-size: var(--text-sm);
  color: var(--clr-muted);
  line-height: 1.65;
}

/* ========================================
   CONTACT
   ======================================== */
.contact__grid {
  display: grid;
  gap: var(--space-10);
}

@media (min-width: 900px) {
  .contact__grid {
    grid-template-columns: 1fr 1.4fr;
    gap: var(--space-16);
    align-items: start;
  }
}

/* Contact Info */
.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-detail {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.contact-detail__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-primary-light);
  color: var(--clr-primary);
  border-radius: var(--radius-lg);
  margin-top: 2px;
}

.contact-detail strong {
  display: block;
  font-weight: 600;
  color: var(--clr-navy);
  margin-bottom: 3px;
}

.contact-detail p {
  font-size: var(--text-sm);
  color: var(--clr-body);
  line-height: 1.6;
}

.contact-detail a:hover { color: var(--clr-primary); }

.contact__map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border);
}

/* Contact Form */
.contact__form-wrap {
  background: var(--clr-bg-alt);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

@media (min-width: 768px) {
  .contact__form-wrap { padding: var(--space-10); }
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 600px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--clr-dark);
}

.form-group label span {
  color: var(--clr-accent-2);
  margin-left: 2px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--clr-dark);
  background: var(--clr-bg);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(26,86,219,0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #b0bec5;
}

.form-group input.invalid,
.form-group textarea.invalid {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
}

.form-error {
  font-size: var(--text-xs);
  color: #ef4444;
  min-height: 16px;
  display: block;
}

.form-note {
  font-size: var(--text-xs);
  color: var(--clr-muted);
  text-align: center;
  margin-top: var(--space-2);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--clr-bg-dark);
  color: rgba(255,255,255,0.65);
  padding-top: var(--space-16);
}

.footer__inner {
  display: grid;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

@media (min-width: 768px) {
  .footer__inner {
    grid-template-columns: 1.5fr 2fr;
    gap: var(--space-16);
  }
}

/* Brand */
.footer__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.footer__logo-img {
  height: 120px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer__logo-text {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: #fff;
}

.footer__tagline {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.45);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.footer__socials {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.6);
  transition: background var(--transition), color var(--transition), transform var(--transition-fast);
}

.social-link:hover {
  background: var(--clr-primary);
  color: #fff;
  transform: translateY(-2px);
}

/* Footer Nav */
.footer__nav {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

@media (min-width: 480px) {
  .footer__nav { grid-template-columns: repeat(3, 1fr); }
}

.footer__nav-col h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--space-4);
}

.footer__nav-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__nav-col a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}

.footer__nav-col a:hover { color: #fff; }

/* Footer Bottom */
.footer__bottom {
  padding-block: var(--space-5);
}

.footer__bottom .container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: space-between;
  align-items: center;
}

.footer__bottom p {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
}

/* ========================================
   BACK TO TOP
   ======================================== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 1.5rem;
  z-index: 500;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--clr-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--clr-primary-dark);
  transform: translateY(-3px);
}

/* ========================================
   ACCESSIBILITY
   ======================================== */
:focus-visible {
  outline: 2.5px solid var(--clr-primary);
  outline-offset: 3px;
  border-radius: 3px;
}

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

/* ========================================
   PRINT
   ======================================== */
@media print {
  .navbar, .hero__scroll-cue, .back-to-top { display: none; }
  .section { padding-block: 2rem; }
  body { color: #000; }
}