/* ═══════════════════════════════════════════
   Vespr Technologies — Main Stylesheet
   ═══════════════════════════════════════════ */

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

/* ── Variables ── */
:root {
  --clr-primary: #3f3f3f;
  --clr-primary-light: #5a5a5a;
  --clr-accent: #f9b411;
  --clr-accent-dark: #e0a20f;
  --clr-bg: #f3f4ee;
  --clr-white: #ffffff;
  --clr-text: #1e293b;
  --clr-text-light: #64748b;
  --clr-border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 12px 48px rgba(10, 37, 64, 0.12);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --max-w: 1120px;
  --nav-h: 72px;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--clr-text);
  background: var(--clr-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}
.btn--sm { padding: 8px 20px; font-size: 0.875rem; }
.btn--lg { padding: 14px 32px; font-size: 1rem; }
.btn--full { width: 100%; }
.btn--sm, .btn--lg {
  background: var(--clr-accent);
  color: var(--clr-white);
}
.btn--sm:hover, .btn--lg:hover {
  background: var(--clr-accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 180, 216, 0.35);
}

/* ── Section Headers ── */
.section__title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 12px;
  color: var(--clr-primary);
}
.section__subtitle {
  font-size: 1.125rem;
  color: var(--clr-text-light);
  max-width: 600px;
  margin-bottom: 48px;
}

/* ── Top Bar ── */
.topbar {
  background: var(--clr-primary);
  padding: 8px 0;
  font-size: 0.85rem;
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topbar a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  transition: color 0.2s;
  font-weight: 500;
}
.topbar a:hover {
  color: var(--clr-accent);
}

/* ═══════════════════════════════════════════
   Navigation
   ═══════════════════════════════════════════ */
.nav {
  position: relative;
  top: auto; left: auto; right: auto;
  height: var(--nav-h);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
  z-index: 100;
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav__logo {
  display: flex;
  align-items: center;
}
.nav__logo-img {
  height: 32px;
  width: auto;
  display: block;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__links a:not(.btn) {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-text-light);
  transition: color 0.2s;
}
.nav__links a:not(.btn):hover { color: var(--clr-primary); }
.nav__toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--clr-primary); }

/* ═══════════════════════════════════════════
   Hero
   ═══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(63,63,63,0.92) 0%, rgba(74,74,74,0.85) 100%),
    url('../assets/images/hero-bg.jpg') center/cover no-repeat;
  overflow: hidden;
  padding-top: 0;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(249, 180, 17, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(249, 180, 17, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(249, 180, 17, 0.04) 0%, transparent 40%);
  pointer-events: none;
}
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero__inner { position: relative; padding: 80px 0; max-width: 720px; }
.hero__brand {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--clr-white);
  margin-bottom: 8px;
}
.hero__tagline {
  font-size: 1.3rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  margin-bottom: 24px;
}
.hero__highlight { color: var(--clr-accent); }
.hero__subtitle {
  font-size: 1.15rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  max-width: 580px;
}

/* ═══════════════════════════════════════════
   Stats Bar
   ═══════════════════════════════════════════ */
.stats {
  background: var(--clr-white);
  border-bottom: 1px solid var(--clr-border);
  padding: 48px 0;
  margin: 0;
  width: 100%;
}
.stats__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 0;
}
.stat { text-align: center; }
.stat__number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--clr-accent);
  margin-bottom: 4px;
}
.stat__label {
  font-size: 0.85rem;
  color: var(--clr-text-light);
  font-weight: 500;
}

/* ── Process / How It Works ── */
.process {
  padding: 100px 0;
  background: var(--clr-white);
}
.process__steps {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  justify-content: center;
  flex-wrap: wrap;
}
.process__step {
  flex: 1;
  min-width: 200px;
  max-width: 240px;
  text-align: center;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 36px 24px 28px;
  transition: all 0.25s;
}
.process__step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--clr-accent);
}
.process__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--clr-accent);
  color: var(--clr-white);
  font-weight: 800;
  font-size: 1.2rem;
  border-radius: 50%;
  margin-bottom: 16px;
}
.process__step-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--clr-primary);
  margin-bottom: 10px;
}
.process__step-desc {
  font-size: 0.9rem;
  color: var(--clr-text-light);
  line-height: 1.65;
}
/* ═══════════════════════════════════════════
   Services
   ═══════════════════════════════════════════ */
.services {
  padding: 100px 0;
  background: var(--clr-bg);
}
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all 0.25s;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--clr-accent);
}
.service-card__icon { font-size: 2rem; margin-bottom: 16px; }
.service-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--clr-primary);
}
.service-card__desc {
  font-size: 0.9rem;
  color: var(--clr-text-light);
  line-height: 1.65;
}

/* ═══════════════════════════════════════════
   About
   ═══════════════════════════════════════════ */
.about {
  padding: 100px 0;
  background: var(--clr-white);
}
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about__content p {
  font-size: 1rem;
  color: var(--clr-text-light);
  margin-bottom: 16px;
  line-height: 1.7;
}
.about__tagline {
  font-size: 1.1rem !important;
  font-weight: 600;
  color: var(--clr-primary) !important;
  font-style: italic;
  border-left: 3px solid var(--clr-accent);
  padding-left: 16px;
  margin-top: 24px;
}
.about__card {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light));
  color: var(--clr-white);
  border-radius: var(--radius);
  padding: 48px 40px;
  position: relative;
}
.about__card-quote {
  font-size: 4rem;
  line-height: 0.5;
  color: var(--clr-accent);
  opacity: 0.5;
  position: absolute;
  top: 28px;
  left: 28px;
}
.about__card p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.85);
  margin-top: 24px;
  margin-bottom: 16px;
}
.about__card-attrib {
  font-size: 0.85rem;
  color: var(--clr-accent);
  font-weight: 600;
}

/* ═══════════════════════════════════════════
   Contact
   ═══════════════════════════════════════════ */
.contact {
  padding: 100px 0;
  background: var(--clr-bg);
}
.contact__inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}
.contact__inner .section__subtitle { margin-left: auto; margin-right: auto; }
.contact__form {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 48px;
  text-align: left;
  box-shadow: var(--shadow);
}
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form__input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--clr-text);
  background: var(--clr-bg);
  transition: border-color 0.2s;
}
.form__input:focus {
  outline: none;
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.15);
}
.form__textarea { resize: vertical; min-height: 120px; margin-bottom: 16px; }
.form__input::placeholder { color: var(--clr-text-light); }

/* ═══════════════════════════════════════════
   Footer
   ═══════════════════════════════════════════ */
.footer {
  background: var(--clr-primary);
  color: rgba(255,255,255,0.7);
  padding: 32px 0;
}
.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}
.footer__logo {
  display: flex;
  justify-content: center;
}
.footer__logo-img {
  height: 28px;
  width: auto;
  display: block;
}
.footer__tagline { font-size: 0.85rem; margin-top: 4px; }
.footer__contact {
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer__contact a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}
.footer__contact a:hover {
  color: var(--clr-accent);
}
.footer__contact-sep {
  color: rgba(255,255,255,0.2);
  font-size: 0.8rem;
}
.footer__links { display: flex; gap: 24px; }
.footer__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}
.footer__links a:hover { color: var(--clr-accent); }
.footer__legal { font-size: 0.8rem; color: rgba(255,255,255,0.4); }
.footer__legal p + p { margin-top: 4px; }

/* ═══════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════ */

/* Tablet */
@media (max-width: 900px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
}

/* Mobile */
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__toggle { display: block; font-size: 1.5rem; background: none; border: none; cursor: pointer; color: var(--clr-primary); padding: 4px; }
  .nav__links.nav__links--open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--clr-white);
    padding: 20px 24px;
    border-bottom: 1px solid var(--clr-border);
    gap: 12px;
    box-shadow: var(--shadow);
  }
  .nav__links.nav__links--open a:not(.btn) { font-size: 1rem; padding: 8px 0; }
  .nav__links.nav__links--open .btn--sm { width: 100%; text-align: center; }

  .topbar { font-size: 0.75rem; padding: 6px 0; }

  .hero { min-height: 0; padding: calc(100px + 36px) 0 60px; }
  .hero__inner { padding: 0; }
  .hero__subtitle { font-size: 1rem; }
  .hero__brand { font-size: clamp(1.75rem, 7vw, 2.5rem); }
  .hero__tagline { font-size: 1.1rem; }

  .stats__inner { grid-template-columns: repeat(2, 1fr); gap: 24px 16px; padding: 0; }
  .stat__number { font-size: 1.6rem; }

  .process .container { padding: 0; }
  .process { padding: 40px 0; }
  .process__steps { display: block !important; padding: 0 24px !important; }
  .process__step { width: 100% !important; max-width: none !important; background: var(--clr-bg) !important; border: 1px solid var(--clr-border) !important; border-radius: var(--radius) !important; padding: 16px 20px !important; text-align: center !important; margin: 0 0 8px 0 !important; flex: none !important; }
  .process__number { width: 32px !important; height: 32px !important; font-size: 0.95rem !important; margin-bottom: 6px !important; }
  .process__step-title { font-size: 1.05rem !important; margin: 0 0 4px !important; }
  .process__step-desc { display: block !important; font-size: 0.85rem !important; color: var(--clr-text-light) !important; line-height: 1.3 !important; }

  .services { padding: 60px 0; }
  .services__grid { grid-template-columns: 1fr; gap: 16px; }
  .service-card { padding: 16px 20px; }
  .service-card__icon { font-size: 1.5rem; margin-bottom: 8px; }

  .about { padding: 60px 0; }
  .about__grid { grid-template-columns: 1fr; gap: 28px; }
  .about__card { padding: 32px 24px; }
  .about__card-quote { font-size: 3rem; top: 20px; left: 20px; }

  .contact { padding: 60px 0; }
  .contact__form { padding: 24px 20px; }
  .form__row { grid-template-columns: 1fr; gap: 12px; }
  .form__input { padding: 12px 14px; }

  .section__title { font-size: 1.5rem; }
  .section__subtitle { font-size: 0.95rem; margin-bottom: 32px; }

  .footer { padding: 36px 0; }
  .footer__links { flex-wrap: wrap; justify-content: center; gap: 16px; }
}

/* Small mobile */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero { padding: 90px 0 40px; }
  .hero__brand { font-size: 1.65rem; }
  .hero__tagline { font-size: 1rem; }
  .hero__subtitle { font-size: 0.9rem; margin-bottom: 28px; }
  .btn--lg { padding: 12px 24px; font-size: 0.9rem; width: 100%; }
  .stats__inner { grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 0; }
  .stat__number { font-size: 1.35rem; }
  .stat__label { font-size: 0.75rem; }
  .service-card__title { font-size: 1rem; }
  .service-card__desc { font-size: 0.85rem; }
  .section__title { font-size: 1.35rem; }
  .contact__form { padding: 20px 16px; }
  .nav__logo-img { height: 26px; }
  .process__steps { flex-direction: column; gap: 6px; }
  .process__step { max-width: none; padding: 20px; }
  .process__number { width: 36px; height: 36px; font-size: 1rem; }
  .process__step-title { font-size: 1.1rem; }
  .process__step-desc { font-size: 0.9rem; }
}