/* =============================================
   WELO CYBERSECURITY - STYLES
   ============================================= */

:root {
  --green: #58B08A;
  --green-lt: #7BD9AE;
  --green-xlt: #AEEDC4;
  --green-ult: #ECF5F2;
  --blue-dark: #14243F;
  --green-sec: #61DD8E;
  --green-dark: #12291B;
  --grey: #ABB5BE;
  --white: #ffffff;
  --black: #111111;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-w: 1200px;
  --header-h: 72px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --transition: 0.3s ease;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* Utilities */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--blue-dark);
  margin-bottom: 12px;
}
.section-subtitle {
  font-size: 1.125rem;
  color: #5a6672;
  max-width: 640px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.938rem;
  transition: all var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}
.btn-primary:hover {
  background: #4a9a78;
  border-color: #4a9a78;
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--blue-dark);
}
.btn-lg {
  padding: 16px 36px;
  font-size: 1rem;
}
.link-arrow {
  color: var(--green);
  font-weight: 600;
  font-size: 0.938rem;
  transition: color var(--transition);
}
.link-arrow:hover { color: #4a9a78; }

/* =============================================
   HEADER
   ============================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--blue-dark);
  height: var(--header-h);
  transition: box-shadow var(--transition);
}
.header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.header__logo img {
  height: 36px;
  width: auto;
}
.header__nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.header__menu {
  display: flex;
  gap: 4px;
}
.header__menu a {
  color: rgba(255,255,255,0.85);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.938rem;
  font-weight: 500;
  transition: all var(--transition);
}
.header__menu a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}
.header__cta {
  margin-left: 16px;
}
.header__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.header__hamburger span {
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all var(--transition);
}
.header__hamburger.is-open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.header__hamburger.is-open span:nth-child(2) {
  opacity: 0;
}
.header__hamburger.is-open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* =============================================
   HERO
   ============================================= */
.hero {
  background: var(--blue-dark);
  padding: calc(var(--header-h) + 80px) 0 80px;
  overflow: hidden;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero__title {
  font-size: 3.25rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 20px;
}
.hero__subtitle {
  font-size: 1.125rem;
  color: var(--grey);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 520px;
}
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero__image {
  position: relative;
}
.hero__image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}

/* =============================================
   SOCIAL PROOF
   ============================================= */
.social-proof {
  background: var(--green-ult);
  padding: 40px 0;
}
.social-proof__label {
  text-align: center;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #5a6672;
  margin-bottom: 24px;
}
.social-proof__logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}
.social-proof__company {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--blue-dark);
  opacity: 0.5;
  letter-spacing: 0.5px;
}

/* =============================================
   PLATFORM
   ============================================= */
.platform {
  padding: 96px 0;
}
.platform__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.platform__card {
  border: 1px solid #e8ecf0;
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  background: var(--white);
}
.platform__card:hover {
  box-shadow: var(--shadow);
  border-color: var(--green-lt);
  transform: translateY(-4px);
}
.platform__card-image {
  height: 220px;
  overflow: hidden;
}
.platform__card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.platform__card:hover .platform__card-image img {
  transform: scale(1.05);
}
.platform__card-content {
  padding: 28px;
}
.platform__card-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 8px;
}
.platform__card-content p {
  color: #5a6672;
  font-size: 0.938rem;
  margin-bottom: 16px;
  line-height: 1.6;
}

/* =============================================
   STATS
   ============================================= */
.stats {
  background: var(--green);
  padding: 64px 0;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stats__number {
  display: block;
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
}
.stats__label {
  display: block;
  font-size: 0.938rem;
  color: rgba(255,255,255,0.85);
  margin-top: 4px;
  font-weight: 500;
}

/* =============================================
   INDUSTRIES
   ============================================= */
.industries {
  background: var(--green-ult);
  padding: 96px 0;
}
.industries__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.industries__card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  border: 1px solid transparent;
}
.industries__card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
  border-color: var(--green-lt);
}
.industries__card-image {
  height: 180px;
  overflow: hidden;
}
.industries__card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.industries__card:hover .industries__card-image img {
  transform: scale(1.05);
}
.industries__card-content {
  padding: 24px;
}
.industries__card-content h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 6px;
}
.industries__card-content p {
  font-size: 0.875rem;
  color: #5a6672;
  line-height: 1.5;
}

/* =============================================
   WHY WELO
   ============================================= */
.why-welo {
  padding: 96px 0;
}
.why-welo__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.why-welo__image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.why-welo__intro {
  font-size: 1.063rem;
  color: #5a6672;
  margin-bottom: 32px;
  line-height: 1.7;
}
.why-welo__features {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.why-welo__features li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.why-welo__check {
  flex-shrink: 0;
  color: var(--green);
  margin-top: 2px;
}
.why-welo__features strong {
  display: block;
  font-size: 1rem;
  color: var(--blue-dark);
  margin-bottom: 4px;
}
.why-welo__features p {
  font-size: 0.875rem;
  color: #5a6672;
  line-height: 1.5;
}

/* =============================================
   TESTIMONIAL
   ============================================= */
.testimonial {
  background: var(--blue-dark);
  padding: 96px 0;
}
.testimonial__inner {
  max-width: 800px;
  margin: 0 auto;
}
.testimonial__icon {
  color: var(--green);
  margin-bottom: 24px;
}
.testimonial blockquote p {
  font-size: 1.375rem;
  line-height: 1.7;
  color: var(--white);
  font-weight: 400;
  margin-bottom: 32px;
}
.testimonial__author {
  display: flex;
  align-items: center;
  gap: 16px;
}
.testimonial__avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--green);
}
.testimonial__author strong {
  display: block;
  color: var(--white);
  font-size: 1rem;
}
.testimonial__author span {
  color: var(--grey);
  font-size: 0.875rem;
}

/* =============================================
   RESOURCES
   ============================================= */
.resources {
  padding: 96px 0;
}
.resources__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.resources__card {
  border: 1px solid #e8ecf0;
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  background: var(--white);
}
.resources__card:hover {
  box-shadow: var(--shadow);
  border-color: var(--green-lt);
  transform: translateY(-4px);
}
.resources__card-image {
  height: 200px;
  overflow: hidden;
}
.resources__card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}
.resources__card:hover .resources__card-image img {
  transform: scale(1.05);
}
.resources__card-content {
  padding: 24px;
}
.resources__tag {
  display: inline-block;
  background: var(--green-ult);
  color: var(--green);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 12px;
}
.resources__card-content h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 8px;
}
.resources__card-content p {
  font-size: 0.875rem;
  color: #5a6672;
  line-height: 1.5;
}

/* =============================================
   CTA BANNER
   ============================================= */
.cta-banner {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--green-dark) 100%);
  padding: 80px 0;
  text-align: center;
}
.cta-banner h2 {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}
.cta-banner p {
  font-size: 1.125rem;
  color: var(--grey);
  max-width: 560px;
  margin: 0 auto 32px;
}
.cta-banner__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--blue-dark);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 64px 0 32px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer__logo {
  margin-bottom: 16px;
}
.footer__brand p {
  color: var(--grey);
  font-size: 0.875rem;
  line-height: 1.6;
  max-width: 280px;
}
.footer__col h4 {
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.footer__col li {
  margin-bottom: 8px;
}
.footer__col a {
  color: var(--grey);
  font-size: 0.875rem;
  transition: color var(--transition);
}
.footer__col a:hover {
  color: var(--white);
}
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.footer__bottom p {
  color: var(--grey);
  font-size: 0.813rem;
}
.footer__links {
  display: flex;
  gap: 24px;
}
.footer__links a {
  color: var(--grey);
  font-size: 0.813rem;
  transition: color var(--transition);
}
.footer__links a:hover {
  color: var(--white);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .hero__title { font-size: 2.5rem; }
  .footer__grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .products-list__grid { grid-template-columns: repeat(2, 1fr); }
}

/* =============================================
   PRODUCTS PAGE
   ============================================= */
.products-hero {
  background: var(--blue-dark);
  padding: calc(var(--header-h) + 64px) 0 64px;
  text-align: center;
}
.products-hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}
.products-hero p {
  font-size: 1.125rem;
  color: var(--grey);
  max-width: 640px;
  margin: 0 auto;
}

.products-filter {
  background: var(--white);
  padding: 24px 0;
  border-bottom: 1px solid #e8ecf0;
  position: sticky;
  top: var(--header-h);
  z-index: 100;
}
.products-filter__bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.products-filter__btn {
  padding: 8px 20px;
  border: 1px solid #e8ecf0;
  border-radius: 100px;
  background: var(--white);
  font-size: 0.875rem;
  font-weight: 500;
  color: #5a6672;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
}
.products-filter__btn:hover {
  border-color: var(--green);
  color: var(--green);
}
.products-filter__btn.active {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}

.products-list {
  padding: 64px 0;
  background: var(--green-ult);
}
.products-list__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid #e8ecf0;
  padding: 32px;
  position: relative;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--green-lt);
  transform: translateY(-4px);
}
.product-card[data-popular="true"] {
  border-color: var(--green);
  box-shadow: 0 0 0 1px var(--green);
}
.product-card__badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--green);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 16px;
  border-radius: 100px;
}
.product-card__header {
  margin-bottom: 20px;
}
.product-card__category {
  display: inline-block;
  background: var(--green-ult);
  color: var(--green);
  font-size: 0.688rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}
.product-card__name {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--blue-dark);
  margin-bottom: 4px;
}
.product-card__tagline {
  font-size: 0.875rem;
  color: #5a6672;
}
.product-card__price {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid #e8ecf0;
}
.product-card__price-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--blue-dark);
}
.product-card__specs {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}
.product-card__spec {
  text-align: center;
  padding: 12px 4px;
  background: var(--green-ult);
  border-radius: var(--radius-sm);
}
.product-card__spec-label {
  display: block;
  font-size: 0.688rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #5a6672;
  margin-bottom: 4px;
}
.product-card__spec-value {
  display: block;
  font-size: 0.813rem;
  font-weight: 700;
  color: var(--blue-dark);
}
.product-card__desc {
  font-size: 0.875rem;
  color: #5a6672;
  line-height: 1.6;
  margin-bottom: 20px;
}
.product-card__features {
  margin-bottom: 24px;
  flex: 1;
}
.product-card__features h4 {
  font-size: 0.813rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--blue-dark);
  margin-bottom: 12px;
}
.product-card__features ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.product-card__features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.813rem;
  color: #5a6672;
}
.product-card__features li svg {
  flex-shrink: 0;
  color: var(--green);
}
.product-card__actions {
  display: flex;
  gap: 12px;
}
.product-card__actions .btn {
  flex: 1;
  text-align: center;
  font-size: 0.875rem;
  padding: 10px 16px;
}
.btn-secondary-dark {
  background: transparent;
  color: var(--blue-dark);
  border: 2px solid #e8ecf0;
}
.btn-secondary-dark:hover {
  border-color: var(--blue-dark);
}
.product-card.hidden {
  display: none;
}

@media (max-width: 768px) {
  .header__hamburger { display: flex; }
  .header__nav {
    display: none;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--blue-dark);
    flex-direction: column;
    padding: 32px 24px;
    gap: 16px;
  }
  .header__nav.is-open { display: flex; }
  .header__menu {
    flex-direction: column;
    gap: 0;
  }
  .header__menu a {
    padding: 12px 16px;
    font-size: 1.125rem;
  }
  .header__cta {
    margin-left: 0;
    margin-top: 16px;
    width: 100%;
    text-align: center;
  }

  .hero { padding: calc(var(--header-h) + 48px) 0 48px; }
  .hero__inner { grid-template-columns: 1fr; gap: 32px; }
  .hero__title { font-size: 2rem; }

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

  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .stats__number { font-size: 2rem; }

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

  .why-welo__inner { grid-template-columns: 1fr; gap: 32px; }

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

  .section-title { font-size: 1.75rem; }
  .cta-banner h2 { font-size: 1.75rem; }

  .products-hero h1 { font-size: 2rem; }
  .products-list__grid { grid-template-columns: 1fr; }
  .product-card__specs { grid-template-columns: 1fr; }

  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 12px; text-align: center; }
}