/* ============================================
   Coverage Nest — Design System
   ============================================ */

:root {
  --navy:        #0d2137;
  --navy-dark:   #0a1a2e;
  --navy-light:  #1a3a5c;
  --cream:       #fcfaf7;
  --cream-dark:  #f2eee4;
  --blue-gray:   #e8edf3;
  --accent:      #c15b46;
  --accent-hover:#a84d34;
  --accent-light:#e8a090;
  --teal:        #5a8a7a;
  --teal-light:  #e8f0ec;
  --text:        #1e2a3a;
  --text-muted:  #5c6578;
  --text-light:  #8b95a5;
  --white:       #ffffff;
  --card-grad-1: linear-gradient(135deg, #f9f6f1 0%, #f0ebe3 100%);
  --card-grad-2: linear-gradient(135deg, #eef2f7 0%, #e4eaf2 100%);
  --shadow-sm:   0 2px 8px rgba(13, 33, 55, 0.06);
  --shadow-md:   0 8px 30px rgba(13, 33, 55, 0.10);
  --shadow-lg:   0 20px 60px rgba(13, 33, 55, 0.14);
  --radius:      6px;
  --radius-lg:   12px;
  --transition:  0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-serif:  'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans:   'Inter', system-ui, -apple-system, sans-serif;
  --header-h:    72px;
  --body-size:   1.125rem;
  --body-sm:     1.05rem;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  font-size: var(--body-size);
  color: var(--text);
  background: var(--cream);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

p {
  font-size: var(--body-size);
  line-height: 1.75;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  text-decoration: none;
  color: inherit;
}

ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Typography ---- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.15;
  color: var(--navy);
  letter-spacing: -0.02em;
}

em {
  font-style: italic;
  font-weight: 400;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap;
}

.btn--accent {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(196, 92, 62, 0.35);
}

.btn--accent:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(196, 92, 62, 0.45);
}

.btn--dark {
  background: var(--navy);
  color: var(--white);
}

.btn--dark:hover {
  background: var(--navy-light);
  transform: translateY(-1px);
}

.btn--sm {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.btn--full {
  width: 100%;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--navy);
  transition: gap var(--transition), color var(--transition);
}

.link-arrow:hover {
  gap: 12px;
  color: var(--accent);
}

.link-arrow--light {
  color: var(--white);
}

.link-arrow--light:hover {
  color: var(--accent-light);
}

.link-arrow__icon {
  transition: transform var(--transition);
}

.link-arrow:hover .link-arrow__icon {
  transform: translateX(4px);
}

/* ---- Logo ---- */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
}

.logo--light { color: var(--white); }

.logo__icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.logo__text {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.logo__dot {
  font-weight: 400;
  opacity: 0.7;
}

/* ============================================
   Header
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(247, 244, 239, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(28, 43, 74, 0.08);
  box-shadow: var(--shadow-sm);
}

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

.nav__list {
  display: flex;
  gap: 32px;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  transition: color var(--transition);
}

.nav__link:hover { color: var(--accent); }

.nav__arrow {
  font-size: 0.65rem;
  opacity: 0.5;
  margin-left: 2px;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header__phone {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  transition: color var(--transition);
}

.header__phone:hover { color: var(--accent); }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================
   Hero
   ============================================ */
.hero {
  padding-top: var(--header-h);
  background: var(--cream);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - var(--header-h) - 80px);
  max-height: 780px;
}

.hero__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 60px 48px 60px max(24px, calc((100vw - 1200px) / 2 + 24px));
}

.hero__eyebrow {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero__title {
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero__title em {
  color: var(--navy-light);
}

.hero__desc {
  font-size: var(--body-size);
  color: var(--text-muted);
  max-width: 440px;
  margin-bottom: 36px;
  line-height: 1.75;
}

.hero__ctas {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.hero__visual {
  position: relative;
  overflow: hidden;
}

.hero__image-wrap {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.hero__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1.05); }
  to   { transform: scale(1.12); }
}

.hero__bar {
  background: var(--navy);
  padding: 20px 0;
}

.hero__bar-inner {
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.hero__step {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero__step-icon {
  width: 22px;
  height: 22px;
  opacity: 0.7;
}

/* ============================================
   Services
   ============================================ */
.services {
  padding: 100px 0;
  background: var(--cream);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 60px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: var(--body-size);
  color: var(--text-muted);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 32px 28px 36px;
  background: var(--card-grad-1);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(28, 43, 74, 0.06);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: pointer;
}

.service-card:nth-child(even) {
  background: var(--card-grad-2);
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(196, 92, 62, 0.04) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(196, 92, 62, 0.15);
}

.service-card:hover::before { opacity: 1; }

.service-card__num {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 700;
  color: rgba(28, 43, 74, 0.08);
  line-height: 1;
  margin-bottom: 16px;
  transition: color var(--transition);
}

.service-card:hover .service-card__num {
  color: rgba(196, 92, 62, 0.15);
}

.service-card__icon {
  position: absolute;
  top: 28px;
  right: 28px;
  width: 28px;
  height: 28px;
  color: var(--navy-light);
  opacity: 0.5;
  transition: opacity var(--transition), transform var(--transition), color var(--transition);
}

.service-card:hover .service-card__icon {
  opacity: 1;
  color: var(--accent);
  transform: scale(1.1);
}

.service-card__title {
  font-size: 1.35rem;
  margin-bottom: 10px;
  transition: color var(--transition);
}

.service-card:hover .service-card__title { color: var(--accent); }

.service-card__desc {
  font-size: var(--body-sm);
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
}

.service-card__arrow {
  position: absolute;
  bottom: 28px;
  right: 28px;
  font-size: 1.2rem;
  color: var(--text-light);
  transition: transform var(--transition), color var(--transition);
}

.service-card:hover .service-card__arrow {
  transform: translate(4px, -4px);
  color: var(--accent);
}

/* ============================================
   Info Section
   ============================================ */
.info {
  background: var(--blue-gray);
}

.info__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 560px;
}

.info__visual {
  position: relative;
  overflow: hidden;
}

.info__image-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 400px;
}

.info__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.info__badge {
  position: absolute;
  bottom: 40px;
  right: -20px;
  width: 140px;
  height: 140px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  font-size: 0.85rem;
  line-height: 1.3;
  box-shadow: 0 8px 40px rgba(196, 92, 62, 0.4);
  animation: badgePulse 4s ease-in-out infinite;
}

.info__badge strong {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
}

@keyframes badgePulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.05); }
}

.info__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 60px 48px 60px 60px;
}

.info__title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 40px;
}

.info__list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.info__item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.info__item-num {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
  line-height: 1;
  padding-top: 2px;
}

.info__item h4 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--navy);
}

.info__item p {
  font-size: var(--body-sm);
  color: var(--text-muted);
  line-height: 1.75;
}

/* ============================================
   CTA Bar
   ============================================ */
.cta-bar {
  background: var(--navy);
  padding: 64px 0;
}

.cta-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cta-bar__text h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--white);
  margin-bottom: 8px;
}

.cta-bar__text p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.95rem;
}

.cta-bar__actions {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-shrink: 0;
}

.cta-bar__phone {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--white);
  transition: color var(--transition);
}

.cta-bar__phone:hover { color: var(--accent-light); }

/* ============================================
   About
   ============================================ */
.about {
  padding: 100px 0;
  background: var(--cream-dark);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.about__title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.about__content p {
  font-size: var(--body-size);
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 24px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--navy-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 32px;
}

.footer__top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__tagline {
  margin-top: 16px;
  font-size: 0.9rem;
  line-height: 1.65;
  max-width: 320px;
  color: rgba(255, 255, 255, 0.55);
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer__col h5 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 16px;
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__col a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
}

.footer__col a:hover { color: var(--accent-light); }

.footer__legal {
  padding-top: 32px;
}

.footer__legal p {
  font-size: 0.75rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 12px;
}

.footer__copy {
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.25);
}

/* ============================================
   Modal
   ============================================ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 30, 53, 0.6);
  backdrop-filter: blur(4px);
}

.modal__dialog {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 90%;
  max-width: 440px;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-lg);
}

.modal.active .modal__dialog {
  transform: translateY(0) scale(1);
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition);
}

.modal__close:hover { color: var(--navy); }

.modal__dialog h3 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.modal__dialog > p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid rgba(28, 43, 74, 0.15);
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text);
  background: var(--cream);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(196, 92, 62, 0.12);
}

/* ============================================
   Scroll Reveal Animations
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* Stagger service cards */
.services__grid .service-card:nth-child(1) { transition-delay: 0s; }
.services__grid .service-card:nth-child(2) { transition-delay: 0.05s; }
.services__grid .service-card:nth-child(3) { transition-delay: 0.1s; }
.services__grid .service-card:nth-child(4) { transition-delay: 0.15s; }
.services__grid .service-card:nth-child(5) { transition-delay: 0.2s; }
.services__grid .service-card:nth-child(6) { transition-delay: 0.25s; }
.services__grid .service-card:nth-child(7) { transition-delay: 0.3s; }
.services__grid .service-card:nth-child(8) { transition-delay: 0.35s; }

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

  .hero__grid {
    grid-template-columns: 1fr;
    max-height: none;
  }

  .hero__content {
    padding: 48px 24px 32px;
    order: 1;
  }

  .hero__visual {
    order: 0;
    height: 360px;
  }

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

  .info__content {
    padding: 48px 24px;
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer__top {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--white);
    padding: 24px;
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav__list {
    flex-direction: column;
    gap: 16px;
  }

  .menu-toggle { display: flex; }

  .header__phone { display: none; }

  .hero__bar-inner {
    flex-direction: column;
    gap: 16px;
  }

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

  .cta-bar__inner {
    flex-direction: column;
    text-align: center;
  }

  .cta-bar__actions {
    flex-direction: column;
    gap: 16px;
  }

  .footer__links {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .info__badge {
    width: 110px;
    height: 110px;
    font-size: 0.75rem;
    bottom: 24px;
    right: 16px;
  }
}