/* ============================================================
   Rock Professional Services, LLC — Stylesheet
   ============================================================ */

/* ─── Variables ─────────────────────────────────────────── */
:root {
  --primary:       #1e3a5f;
  --primary-dark:  #122337;
  --primary-mid:   #2563a8;
  --accent:        #3b9edd;
  --accent-light:  #7ec8f5;
  --text:          #334155;
  --text-light:    #64748b;
  --text-lighter:  #94a3b8;
  --bg:            #ffffff;
  --bg-alt:        #f1f5f9;
  --bg-dark:       #0d1f35;
  --border:        #e2e8f0;
  --shadow-sm:     0 1px 4px rgba(30,58,95,.08);
  --shadow:        0 4px 24px rgba(30,58,95,.12);
  --shadow-lg:     0 12px 48px rgba(30,58,95,.18);
  --radius:        14px;
  --radius-sm:     8px;
  --radius-pill:   999px;
  --transition:    0.3s ease;
  --max-w:         1160px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img  { max-width: 100%; height: auto; display: block; }
a    { color: inherit; text-decoration: none; }
ul   { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

/* ─── Container ─────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

/* ─── Typography ────────────────────────────────────────── */
h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; line-height: 1.12; }
h2 { font-size: clamp(1.65rem, 3.5vw, 2.4rem); font-weight: 700; line-height: 1.2; color: var(--primary); }
h3 { font-size: 1.15rem; font-weight: 600; line-height: 1.3; color: var(--primary); }
p  { color: var(--text-light); line-height: 1.75; }

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .8rem;
}

.section-header {
  text-align: center;
  max-width: 580px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}
.section-header h2  { margin-bottom: .75rem; }
.section-sub        { font-size: 1.05rem; }

/* ─── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  font-size: .95rem;
  font-weight: 600;
  padding: .7rem 1.6rem;
  border-radius: var(--radius-pill);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary-mid);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37,99,168,.35);
}
.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--primary);
  box-shadow: 0 6px 20px rgba(37,99,168,.45);
  transform: translateY(-2px);
}

.btn-ghost {
  color: #fff;
  border: 2px solid rgba(255,255,255,.45);
}
.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.9);
}

.btn-nav {
  background: var(--accent);
  color: #fff;
  padding: .5rem 1.25rem;
  border-radius: var(--radius-pill);
  font-size: .875rem;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-nav:hover,
.btn-nav:focus-visible { background: var(--primary-mid); }

.btn-lg   { padding: .9rem 2.1rem; font-size: 1.05rem; }
.btn-full { width: 100%; }

.btn:disabled { opacity: .65; cursor: not-allowed; transform: none !important; }

/* Focus styles */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ─── Navbar ────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 1000;
  padding: 1.1rem 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.navbar.scrolled {
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  padding: .7rem 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  transition: color var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}
.navbar.scrolled .brand  { color: var(--primary); }
.brand-highlight         { color: var(--accent-light); }
.navbar.scrolled .brand-highlight { color: var(--primary-mid); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: rgba(255,255,255,.82);
  font-size: .9rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-light);
  border-radius: 2px;
  transition: width var(--transition);
}
.nav-link:hover,
.nav-link:focus-visible        { color: #fff; }
.nav-link:hover::after,
.nav-link:focus-visible::after { width: 100%; }

.navbar.scrolled .nav-link       { color: var(--text-light); }
.navbar.scrolled .nav-link:hover { color: var(--primary); }
.navbar.scrolled .nav-link::after { background: var(--primary-mid); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: .45rem;
  z-index: 1001;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all var(--transition);
  transform-origin: center;
}
.navbar.scrolled .nav-toggle span   { background: var(--primary); }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Hero ──────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-mid) 100%);
  overflow: hidden;
  padding: 8rem 0 5rem;
}

.hero-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.shape {
  position: absolute;
  border-radius: 50%;
}
.shape-1 {
  width: 600px;
  height: 600px;
  top: -160px;
  right: -120px;
  background: radial-gradient(circle, rgba(255,255,255,.05) 0%, transparent 70%);
  border: 1px solid rgba(255,255,255,.06);
}
.shape-2 {
  width: 360px;
  height: 360px;
  bottom: -100px;
  left: 8%;
  background: rgba(59,158,221,.08);
}
.shape-3 {
  width: 180px;
  height: 180px;
  top: 38%;
  right: 28%;
  background: rgba(59,158,221,.06);
  border: 1px solid rgba(59,158,221,.1);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 740px;
}
.hero-eyebrow {
  color: var(--accent-light);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.hero-title    { color: #fff; margin-bottom: 1.5rem; }
.hero-subtitle {
  color: rgba(255,255,255,.75);
  font-size: 1.15rem;
  max-width: 560px;
  margin-bottom: 2.5rem;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ─── Section Base ──────────────────────────────────────── */
.section     { padding: 6rem 0; }
.section-alt { background: var(--bg-alt); }

/* ─── About ─────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4.5rem;
  align-items: center;
}

.about-text h2      { margin-bottom: 1.25rem; }
.about-text p       { margin-bottom: 1.1rem; }
.about-text p:last-of-type { margin-bottom: 0; }

.about-pillars {
  display: flex;
  gap: 2.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.pillar        { display: flex; flex-direction: column; gap: .2rem; }
.pillar strong { font-size: 1.05rem; font-weight: 700; color: var(--primary); }
.pillar span   { font-size: .82rem; color: var(--text-lighter); font-weight: 500; letter-spacing: .03em; }

.about-visual { display: flex; flex-direction: column; gap: 1.25rem; }

.mission-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 2rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}
.section-alt .mission-card { background: #fff; }
.mission-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.card-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-mid) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-bottom: 1rem;
  flex-shrink: 0;
}

.mission-card h3 { margin-bottom: .5rem; }
.mission-card p  { font-size: .95rem; }

/* ─── Services ──────────────────────────────────────────── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-mid), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-5px);
  border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon-wrap {
  width: 54px;
  height: 54px;
  background: rgba(37,99,168,.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-mid);
  margin-bottom: 1.25rem;
  transition: all var(--transition);
}
.service-card:hover .service-icon-wrap {
  background: linear-gradient(135deg, var(--primary), var(--primary-mid));
  color: #fff;
}

.service-card h3 { margin-bottom: .6rem; }
.service-card p  { font-size: .95rem; }

/* ─── Contact ───────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4.5rem;
  align-items: start;
}

.contact-info h2      { margin-bottom: 1.25rem; }
.contact-info > p     { margin-bottom: 2rem; }

.contact-list         { display: flex; flex-direction: column; gap: 1.1rem; }
.contact-list li      { display: flex; align-items: center; gap: 1rem; }

.contact-icon-wrap {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--primary-mid));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.contact-list a {
  color: var(--primary-mid);
  font-weight: 500;
  font-size: 1rem;
  transition: color var(--transition);
}
.contact-list a:hover { color: var(--primary); }

/* ─── Form ──────────────────────────────────────────────── */
.contact-form-wrap {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-bottom: 1.1rem;
}
.form-group:last-of-type { margin-bottom: 1.5rem; }

label {
  font-size: .83rem;
  font-weight: 600;
  color: var(--text);
}
label span { color: var(--primary-mid); }

input,
select,
textarea {
  width: 100%;
  padding: .72rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .95rem;
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2364748b' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .85rem center;
  padding-right: 2.5rem;
}
input::placeholder,
textarea::placeholder { color: var(--text-lighter); }
input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary-mid);
  box-shadow: 0 0 0 3px rgba(37,99,168,.12);
}
textarea { resize: vertical; min-height: 120px; }

.form-status {
  margin-top: 1rem;
  padding: .8rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 500;
  display: none;
}
.form-status.success {
  display: block;
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}
.form-status.error {
  display: block;
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* ─── Footer ────────────────────────────────────────────── */
.footer {
  background: var(--bg-dark);
  padding: 4rem 0 2rem;
  color: rgba(255,255,255,.7);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: 1.75rem;
  align-items: start;
}

.footer-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: .5rem;
}
.footer-tagline { font-size: .875rem; color: rgba(255,255,255,.45); }

.footer-nav,
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: .8rem;
}
.footer-nav a,
.footer-contact a {
  color: rgba(255,255,255,.6);
  font-size: .9rem;
  transition: color var(--transition);
}
.footer-nav a:hover,
.footer-contact a:hover { color: var(--accent-light); }

.footer-bottom p {
  font-size: .8rem;
  color: rgba(255,255,255,.35);
  text-align: center;
}

/* ─── Scroll Animations ─────────────────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid,
  .contact-grid  { gap: 2.5rem; }
}

@media (max-width: 768px) {
  /* Show hamburger */
  .nav-toggle { display: flex; }

  /* Slide-out mobile nav */
  .nav-links {
    position: fixed;
    top: 0; right: -100%; bottom: 0;
    width: min(280px, 82vw);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--primary-dark);
    padding: 5rem 1.75rem 2rem;
    transition: right var(--transition);
    z-index: 999;
    box-shadow: -8px 0 32px rgba(0,0,0,.35);
  }
  .nav-links.open { right: 0; }
  .nav-links li   { width: 100%; }
  .nav-link,
  .btn-nav {
    display: block;
    padding: .9rem 0;
    font-size: 1rem;
    color: rgba(255,255,255,.82) !important;
    border-bottom: 1px solid rgba(255,255,255,.07);
    border-radius: 0;
    background: transparent !important;
    box-shadow: none !important;
  }
  .nav-link::after { display: none; }

  .about-grid   { grid-template-columns: 1fr; }
  .about-pillars { gap: 1.5rem; }

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

  .contact-grid  { grid-template-columns: 1fr; }
  .form-row      { grid-template-columns: 1fr; }

  .footer-inner  { grid-template-columns: 1fr; gap: 1.75rem; }

  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { width: 100%; max-width: 280px; justify-content: center; }
}

@media (max-width: 480px) {
  .section            { padding: 4rem 0; }
  .contact-form-wrap  { padding: 1.5rem; }
  .about-pillars      { flex-direction: column; gap: 1rem; }
}