/* ============================================================
   COMPONENTS.CSS -- Reusable UI Components
   ============================================================ */

/* ------------------------------------------------------------
   1. Buttons
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-nav);
  font-weight: 600;
  font-size: var(--fs-button);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 12px 28px;
  border-radius: var(--btn-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  border-color: transparent;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(50, 150, 255, 0.3);
  color: var(--color-white);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background: var(--gradient-primary);
  color: var(--color-white);
  border-color: transparent;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 13px;
}

/* ------------------------------------------------------------
   2. Cards
   ------------------------------------------------------------ */
.card {
  background: var(--color-gray-900);
  border: 1px solid var(--color-gray-700);
  border-radius: var(--card-radius);
  padding: 24px;
  transition: transform var(--transition-speed) ease,
              box-shadow var(--transition-speed) ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 8px;
  margin-bottom: 16px;
}

.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card:hover .card__image img {
  transform: scale(1.05);
}

.card__tag {
  display: inline-block;
  font-family: var(--font-nav);
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--color-primary);
  background: rgba(50, 150, 255, 0.1);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.card__title {
  font-size: var(--fs-h4);
  margin-bottom: 8px;
  color: var(--color-white);
}

.card__text {
  color: var(--color-gray-400);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 16px;
}

.card__link {
  font-family: var(--font-nav);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color var(--transition-speed);
}

.card__link:hover {
  color: var(--color-white);
}

/* ------------------------------------------------------------
   3. Header & Navigation
   ------------------------------------------------------------ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(26, 32, 44, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(45, 55, 72, 0.5);
  height: var(--header-height);
  transition: box-shadow var(--transition-speed);
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.site-logo img {
  height: 40px;
  width: auto;
}

.site-logo__text {
  font-family: var(--font-nav);
  font-weight: 800;
  font-size: var(--fs-site-title);
  text-transform: uppercase;
  color: var(--color-white);
  letter-spacing: 1px;
}

/* Desktop Navigation */
.nav-list {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-list a {
  font-family: var(--font-nav);
  font-weight: 500;
  font-size: var(--fs-nav);
  color: var(--color-gray-200);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 8px 0;
  position: relative;
  transition: color var(--transition-speed);
}

.nav-list a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-speed);
}

.nav-list a:hover,
.nav-list a.active {
  color: var(--color-primary);
}

.nav-list a:hover::after,
.nav-list a.active::after {
  width: 100%;
}

/* CTA in nav */
.nav-list .btn {
  padding: 8px 20px;
}

.nav-list .btn::after {
  display: none;
}

/* Hamburger Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-speed);
  transform-origin: center;
}

.nav-toggle.is-active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--color-gray-900);
  padding: 100px 24px 24px;
  transition: right var(--transition-speed) ease;
  z-index: 999;
  border-left: 1px solid var(--color-gray-700);
  overflow-y: auto;
}

.mobile-drawer.is-open {
  right: 0;
}

.mobile-drawer .nav-list {
  flex-direction: column;
  gap: 0;
  align-items: stretch;
}

.mobile-drawer .nav-list a {
  display: block;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-gray-700);
  font-size: 16px;
}

.mobile-drawer .nav-list a::after {
  display: none;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-speed);
  z-index: 998;
}

.drawer-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

/* ------------------------------------------------------------
   4. Hero Section
   ------------------------------------------------------------ */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  overflow: hidden;
  background: var(--color-gray-800);
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
  opacity: 0.3;
  z-index: 0;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(50, 150, 255, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 49, 116, 0.12) 0%, transparent 50%);
  z-index: 1;
}

/* Subtle grid pattern overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(50, 150, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(50, 150, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 0;
}

.hero__eyebrow {
  font-family: var(--font-nav);
  font-size: var(--fs-nav);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.hero__title {
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.1;
  margin-bottom: 24px;
  color: var(--color-white);
}

.hero__subtitle {
  font-size: 19px;
  color: var(--color-gray-300);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.hero__buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ------------------------------------------------------------
   5. About Intro Section
   ------------------------------------------------------------ */
.about-intro__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-intro__image {
  border-radius: var(--card-radius);
  overflow: hidden;
}

.about-intro__content .section-eyebrow {
  margin-bottom: 12px;
}

.about-intro__content h2 {
  margin-bottom: 20px;
}

.about-intro__content p {
  color: var(--color-gray-300);
  margin-bottom: 24px;
}

/* ------------------------------------------------------------
   6. Service Cards
   ------------------------------------------------------------ */
.service-card {
  text-align: center;
  padding: 32px 24px;
}

.service-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(50, 150, 255, 0.1);
  border-radius: 16px;
  color: var(--color-primary);
}

.service-card__icon svg {
  width: 32px;
  height: 32px;
}

.service-card .card__title {
  font-family: var(--font-h3);
  font-size: var(--fs-h3);
  margin-bottom: 12px;
}

.service-card .card__link {
  display: inline-block;
  margin-top: 8px;
}

/* ------------------------------------------------------------
   7. Product Cards
   ------------------------------------------------------------ */
.product-card {
  text-align: center;
}

.product-card .card__image {
  aspect-ratio: 1 / 1;
}

.product-card__price {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}

.product-card__price span {
  font-size: 14px;
  font-weight: 400;
  color: var(--color-gray-400);
}

.product-card .btn {
  width: 100%;
}

/* ------------------------------------------------------------
   8. Blog Cards
   ------------------------------------------------------------ */
.blog-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.blog-card__meta time {
  font-family: var(--font-nav);
  font-size: var(--fs-small);
  color: var(--color-gray-500);
}

/* ------------------------------------------------------------
   9. Testimonials Carousel
   ------------------------------------------------------------ */
.testimonials-carousel {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.testimonial-track {
  position: relative;
  overflow: hidden;
  min-height: 280px;
}

.testimonial-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  pointer-events: none;
}

.testimonial-slide.is-active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
  position: relative;
}

.testimonial-card {
  text-align: center;
  padding: 40px;
  background: var(--color-gray-900);
  border: 1px solid var(--color-gray-700);
  border-radius: var(--card-radius);
}

.testimonial-card__text {
  font-size: 18px;
  font-style: italic;
  color: var(--color-gray-200);
  line-height: 1.8;
  margin-bottom: 24px;
  position: relative;
}

.testimonial-card__text::before {
  content: '\201C';
  font-size: 60px;
  font-family: Georgia, serif;
  color: var(--color-primary);
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  line-height: 1;
  opacity: 0.3;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  flex-shrink: 0;
}

.testimonial-card__name {
  font-family: var(--font-nav);
  font-style: normal;
  font-weight: 600;
  color: var(--color-white);
  display: block;
}

.testimonial-card__role {
  font-size: var(--fs-small);
  color: var(--color-gray-500);
  margin: 0;
}

/* Carousel Dots */
.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}

.testimonial-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--color-gray-500);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-speed);
  padding: 0;
}

.testimonial-dot.is-active,
.testimonial-dot:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

/* ------------------------------------------------------------
   10. Newsletter CTA
   ------------------------------------------------------------ */
.newsletter-cta {
  background: var(--gradient-primary);
  text-align: center;
}

.newsletter-cta h2 {
  color: var(--color-white);
  margin-bottom: 12px;
}

.newsletter-cta p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin: 0 auto 32px;
}

.newsletter-form__group {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}

.newsletter-form__group .form-input {
  flex: 1;
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--color-white);
}

.newsletter-form__group .form-input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.newsletter-form__group .form-input:focus {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--color-white);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.15);
}

.newsletter-form__btn {
  background: var(--color-white) !important;
  color: var(--color-primary-dark) !important;
  border-color: var(--color-white) !important;
  white-space: nowrap;
}

.newsletter-form__btn:hover {
  background: var(--color-gray-100) !important;
  transform: translateY(-2px);
}

.newsletter-form__feedback {
  margin-top: 12px;
  font-family: var(--font-nav);
  font-size: 14px;
}

.newsletter-form__feedback--success {
  color: var(--color-success);
}

.newsletter-form__feedback--error {
  color: var(--color-error);
}

/* ------------------------------------------------------------
   11. Form Inputs (shared)
   ------------------------------------------------------------ */
.form-input {
  background: var(--color-gray-800);
  border: 1px solid var(--color-gray-700);
  border-radius: var(--input-radius);
  padding: 12px 16px;
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 15px;
  width: 100%;
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.form-input::placeholder {
  color: var(--color-gray-400);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(50, 150, 255, 0.15);
}

/* ------------------------------------------------------------
   12. Footer
   ------------------------------------------------------------ */
.site-footer {
  background: var(--color-gray-900);
  border-top: 1px solid var(--color-gray-700);
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--grid-gap-desktop);
  margin-bottom: 48px;
}

.footer-brand p {
  color: var(--color-gray-400);
  margin-top: 16px;
  max-width: 300px;
  font-size: 15px;
}

.footer-heading {
  font-family: var(--font-nav);
  font-size: var(--fs-nav);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-white);
  margin-bottom: 20px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--color-gray-400);
  font-size: 15px;
  transition: color var(--transition-speed);
}

.footer-links a:hover {
  color: var(--color-primary);
}

/* Social Icons */
.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--color-gray-700);
  color: var(--color-gray-400);
  transition: all var(--transition-speed);
}

.footer-social a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

/* Footer Bottom */
.footer-bottom {
  border-top: 1px solid var(--color-gray-700);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  color: var(--color-gray-500);
  font-size: var(--fs-small);
  margin: 0;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  color: var(--color-gray-500);
  font-size: var(--fs-small);
}

.footer-bottom-links a:hover {
  color: var(--color-primary);
}