/* ===========================
   Rosaaen Consulting — Styles
   =========================== */

:root {
  --brand-primary: #1a4b8c;
  --brand-secondary: #0d7cc9;
  --brand-accent: #e8a020;
  --text-dark: #1c2b3a;
  --text-mid: #4a5568;
  --text-light: #718096;
  --bg-light: #f7f9fc;
  --bg-white: #ffffff;
  --bg-dark: #0f1e2d;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.14);
  --radius: 8px;
  --radius-lg: 16px;
  --nav-height: 70px;
  --transition: .25s ease;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text-dark);
  background: var(--bg-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* Typography */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(2rem, 4vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }
h4 { font-size: 1.05rem; }
p { color: var(--text-mid); }

.section-label {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--brand-secondary);
  margin-bottom: .75rem;
}
.section-heading { color: var(--text-dark); margin-bottom: 1rem; }
.section-sub { font-size: 1.1rem; color: var(--text-mid); max-width: 600px; }
.center-text { text-align: center; }
.center-text .section-sub { margin: 0 auto; }

/* Layout */
.container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 6rem 0; }
.section--alt { background: var(--bg-light); }
.section--dark { background: var(--bg-dark); color: #fff; }
.section--dark p, .section--dark .section-sub { color: rgba(255,255,255,.72); }
.section--dark .section-label { color: #60b4f5; }
.section--dark .section-heading { color: #fff; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: 6px;
  font-size: .95rem;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-primary {
  background: var(--brand-secondary);
  color: #fff;
}
.btn-primary:hover { background: var(--brand-primary); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline {
  border: 2px solid rgba(255,255,255,.5);
  color: #fff;
}
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.1); }
.btn-ghost {
  border: 2px solid var(--brand-secondary);
  color: var(--brand-secondary);
}
.btn-ghost:hover { background: var(--brand-secondary); color: #fff; }

/* ===========================
   Navigation
   =========================== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-height);
  display: flex; align-items: center;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}
.nav.scrolled {
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
}
.nav__inner {
  width: 100%; max-width: 1160px;
  margin: 0 auto; padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
}
.nav__logo {
  display: flex; align-items: center; gap: .65rem;
  font-size: 1.15rem; font-weight: 700;
  color: #fff;
  transition: color var(--transition);
}
.nav.scrolled .nav__logo { color: var(--brand-primary); }
.nav__logo-img {
  height: 38px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1);
  transition: filter var(--transition);
}
.nav.scrolled .nav__logo-img {
  filter: none;
}
.nav__links {
  display: flex; align-items: center; gap: 2rem;
}
.nav__link {
  font-size: .9rem; font-weight: 500;
  color: rgba(255,255,255,.85);
  transition: color var(--transition);
  position: relative;
}
.nav__link::after {
  content: ''; position: absolute; bottom: -3px; left: 0; right: 0;
  height: 2px; background: var(--brand-accent);
  transform: scaleX(0); transition: transform var(--transition);
}
.nav__link:hover::after, .nav__link.active::after { transform: scaleX(1); }
.nav.scrolled .nav__link { color: var(--text-mid); }
.nav.scrolled .nav__link:hover, .nav.scrolled .nav__link.active { color: var(--brand-primary); }
.nav__cta {
  background: var(--brand-accent);
  color: var(--text-dark) !important;
  padding: .45rem 1.2rem;
  border-radius: 6px;
  font-weight: 600 !important;
  font-size: .88rem !important;
}
.nav__cta::after { display: none !important; }
.nav__cta:hover { background: #d4911a; }

.nav__hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  width: 26px; cursor: pointer;
}
.nav__hamburger span {
  display: block; height: 2px; background: #fff;
  transition: all var(--transition); border-radius: 2px;
}
.nav.scrolled .nav__hamburger span { background: var(--text-dark); }
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav__mobile {
  display: none;
  position: fixed; top: var(--nav-height); left: 0; right: 0;
  background: var(--bg-white);
  box-shadow: var(--shadow-md);
  padding: 1.5rem;
  z-index: 999;
  flex-direction: column; gap: 1rem;
}
.nav__mobile.open { display: flex; }
.nav__mobile .nav__link { color: var(--text-mid); font-size: 1rem; }

/* ===========================
   Hero
   =========================== */
.hero {
  min-height: 100vh;
  background:
    linear-gradient(160deg, rgba(10,28,55,.92) 0%, rgba(13,90,160,.85) 60%, rgba(10,28,55,.95) 100%),
    url('assets/hero-bg.jpg') center/cover no-repeat;
  display: flex; align-items: center;
  padding-top: var(--nav-height);
  position: relative; overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(0,120,220,.18) 0%, transparent 60%);
  pointer-events: none;
}
.hero__content {
  position: relative; z-index: 1;
  max-width: 750px;
}
.hero__badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.9);
  font-size: .8rem; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  padding: .35rem 1rem; border-radius: 50px;
  margin-bottom: 1.5rem;
}
.hero__badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--brand-accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .6; transform: scale(1.3); }
}
.hero h1 { color: #fff; margin-bottom: 1.25rem; }
.hero h1 em { font-style: normal; color: var(--brand-accent); }
.hero__sub {
  font-size: 1.2rem; color: rgba(255,255,255,.78);
  margin-bottom: 2.5rem; max-width: 560px;
}
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__scroll {
  position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  color: rgba(255,255,255,.5); font-size: .78rem; letter-spacing: .05em;
  text-transform: uppercase;
}
.hero__scroll-arrow {
  width: 20px; height: 20px;
  border-right: 2px solid rgba(255,255,255,.4);
  border-bottom: 2px solid rgba(255,255,255,.4);
  transform: rotate(45deg);
  animation: bounce 1.8s infinite;
}
@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(5px); }
}

/* ===========================
   Stats Bar
   =========================== */
.stats {
  background: var(--brand-primary);
  padding: 2.5rem 0;
}
.stats__grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  divide-x: 1px solid rgba(255,255,255,.15);
  text-align: center; gap: 0;
}
.stat {
  padding: 1rem 2rem;
  border-right: 1px solid rgba(255,255,255,.15);
}
.stat:last-child { border-right: none; }
.stat__number {
  font-size: 2rem; font-weight: 800;
  color: var(--brand-accent);
  line-height: 1;
  margin-bottom: .35rem;
}
.stat__label {
  font-size: .82rem; font-weight: 500;
  color: rgba(255,255,255,.72);
  text-transform: uppercase; letter-spacing: .06em;
}

/* ===========================
   Audience Development
   =========================== */
.audience-hero {
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center;
}
.audience-hero__visual {
  position: relative;
}
.audience-hero__card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
  margin-bottom: 1.25rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.audience-hero__card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.card-icon {
  width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 1rem;
}
.card-icon--blue { background: #e8f0fe; }
.card-icon--green { background: #e6f7f0; }
.card-icon--orange { background: #fef3e2; }
.card-icon--purple { background: #f3e8fd; }

.audience-features {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 3rem;
}
.feature-item {
  display: flex; gap: 1rem; align-items: flex-start;
}
.feature-icon {
  width: 38px; height: 38px; border-radius: 8px;
  background: #e8f4ff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
  margin-top: .1rem;
}
.feature-item h4 { font-size: .95rem; margin-bottom: .25rem; }
.feature-item p { font-size: .875rem; }

/* Service cards */
.service-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--brand-secondary);
}
.service-card__icon {
  width: 52px; height: 52px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 1.25rem;
}
.service-card h3 { margin-bottom: .65rem; font-size: 1.1rem; }
.service-card p { font-size: .9rem; }
.service-card__tags {
  display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1.25rem;
}
.tag {
  font-size: .75rem; font-weight: 500;
  background: var(--bg-light);
  color: var(--text-mid);
  padding: .25rem .65rem;
  border-radius: 50px;
  border: 1px solid var(--border);
}

/* ===========================
   Technology Solutions
   =========================== */
.tech-stack {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 3rem;
}
.tech-item {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: background var(--transition), border-color var(--transition);
}
.tech-item:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.25);
}
.tech-item__icon { font-size: 2rem; margin-bottom: .85rem; }
.tech-item h3 { color: #fff; font-size: 1rem; margin-bottom: .5rem; }
.tech-item p { font-size: .875rem; color: rgba(255,255,255,.65); }
.tech-item__skills {
  display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1rem;
}
.skill-tag {
  font-size: .72rem; font-weight: 600;
  background: rgba(255,255,255,.1);
  color: rgba(255,255,255,.8);
  padding: .2rem .6rem;
  border-radius: 4px;
}

/* Integrations visual */
.integrations-list {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; margin-top: 2.5rem;
}
.integration-item {
  display: flex; align-items: flex-start; gap: 1rem;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.integration-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--brand-secondary);
}
.integration-item__icon {
  width: 40px; height: 40px;
  background: var(--bg-light);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.integration-item h4 { font-size: .9rem; margin-bottom: .2rem; }
.integration-item p { font-size: .82rem; }

/* ===========================
   About / Team
   =========================== */
.team-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; margin-top: 3.5rem;
}
.team-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.team-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.team-card__avatar {
  width: 90px; height: 90px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; font-weight: 700; color: #fff;
  margin: 0 auto 1.25rem;
}
.team-card h3 { margin-bottom: .3rem; }
.team-card__role {
  font-size: .88rem; font-weight: 600;
  color: var(--brand-secondary);
  margin-bottom: 1rem;
}
.team-card p { font-size: .9rem; margin-bottom: 1.5rem; }
.team-card__link {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .85rem; font-weight: 600;
  color: var(--brand-primary);
  border: 1.5px solid var(--brand-primary);
  padding: .4rem 1rem; border-radius: 6px;
  transition: all var(--transition);
}
.team-card__link:hover { background: var(--brand-primary); color: #fff; }

/* ===========================
   Contact
   =========================== */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 4rem; align-items: start;
}
.contact-info h2 { margin-bottom: 1rem; }
.contact-info p { margin-bottom: 2rem; }
.contact-item {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 1.25rem;
}
.contact-item__icon {
  width: 42px; height: 42px; border-radius: 10px;
  background: #e8f4ff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0;
}
.contact-item a { color: var(--brand-secondary); font-weight: 500; }
.contact-item a:hover { color: var(--brand-primary); text-decoration: underline; }

.contact-form {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: .85rem; font-weight: 600;
  color: var(--text-dark);
  margin-bottom: .45rem;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: .7rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font: inherit; font-size: .95rem;
  color: var(--text-dark);
  background: var(--bg-light);
  transition: border-color var(--transition), background var(--transition);
  outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--brand-secondary);
  background: #fff;
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-submit { width: 100%; padding: .9rem; font-size: 1rem; }
.form-success {
  display: none;
  text-align: center; padding: 2rem;
}
.form-success__icon {
  font-size: 3rem; margin-bottom: 1rem;
}
.form-success h3 { color: var(--brand-primary); margin-bottom: .5rem; }

/* ===========================
   Footer
   =========================== */
.footer {
  background: var(--bg-dark);
  padding: 4rem 0 2rem;
}
.footer__top {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem; padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
  margin-bottom: 2rem;
}
.footer__brand p {
  font-size: .9rem; color: rgba(255,255,255,.55);
  margin-top: 1rem; max-width: 280px;
}
.footer__col h4 {
  color: #fff; font-size: .9rem;
  margin-bottom: 1.25rem; letter-spacing: .04em;
}
.footer__col li { margin-bottom: .7rem; }
.footer__col a {
  font-size: .875rem; color: rgba(255,255,255,.55);
  transition: color var(--transition);
}
.footer__col a:hover { color: #fff; }
.footer__bottom {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
}
.footer__copy { font-size: .82rem; color: rgba(255,255,255,.4); }
.footer__logo {
  display: flex; align-items: center;
}
.footer__logo-img {
  height: 42px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1) opacity(0.75);
}

/* ===========================
   Utilities & Animations
   =========================== */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

.divider {
  width: 60px; height: 4px;
  background: linear-gradient(90deg, var(--brand-secondary), var(--brand-accent));
  border-radius: 2px;
  margin: 1rem 0 1.75rem;
}
.divider--center { margin-left: auto; margin-right: auto; }

.pill {
  display: inline-block;
  font-size: .78rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  padding: .3rem .85rem; border-radius: 50px;
}
.pill--primary { background: #e8f4ff; color: var(--brand-primary); }
.pill--accent  { background: #fef3e2; color: #b36d00; }

/* ===========================
   Responsive
   =========================== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .tech-stack { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 4rem 0; }
  .grid-2, .grid-3, .audience-hero, .contact-grid, .team-grid { grid-template-columns: 1fr; }
  .audience-hero__visual { display: none; }
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .audience-features { grid-template-columns: 1fr; }
  .integrations-list { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .tech-stack { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; gap: 2rem; }
  .footer__bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .hero__actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}