/* PolarAI — Precision AI. Clear direction. Better decisions. */

:root {
  --ice: #F0F9FF;
  --arctic: #0284C7;
  --midnight: #0F172A;
  --frost: #CBD5E1;
  --coral: #F97316;
  --white: #FFFFFF;
  --max-col: 720px;
  --font-serif: "DM Serif Display", Georgia, serif;
  --font-sans: "Nunito Sans", system-ui, sans-serif;
  --radius: 8px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --transition: 0.3s ease;
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--midnight);
  background: var(--ice);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--arctic);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--coral);
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.25;
}

h1 { font-size: clamp(2rem, 5vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.35rem); }

p + p { margin-top: 1rem; }

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.container--narrow {
  max-width: var(--max-col);
}

/* Header */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--frost);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--midnight);
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--arctic);
}

.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--frost);
  border-radius: var(--radius);
  padding: 0.4rem 0.65rem;
  cursor: pointer;
  color: var(--midnight);
  font-family: var(--font-sans);
  font-size: 0.85rem;
}

.main-nav ul {
  display: flex;
  gap: 1.75rem;
  list-style: none;
}

.main-nav a {
  color: var(--midnight);
  font-weight: 600;
  font-size: 0.95rem;
}

.main-nav a:hover,
.main-nav a.is-active {
  color: var(--arctic);
}

/* Main */
main {
  flex: 1;
}

section {
  padding: 4rem 0;
}

section:nth-child(even) {
  background: var(--white);
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--arctic);
  margin-bottom: 0.5rem;
}

.section-intro {
  margin-bottom: 2.5rem;
}

/* Hero */
.hero {
  padding: 5rem 0 4rem;
  background: linear-gradient(180deg, var(--white) 0%, var(--ice) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-tagline {
  font-size: 1.1rem;
  color: var(--arctic);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.hero-desc {
  color: #475569;
  margin: 1.25rem 0 2rem;
  max-width: 36ch;
}

.hero-visual {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  text-align: center;
}

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

.btn--primary:hover {
  background: #0369A1;
  color: var(--white);
}

.btn--outline {
  background: transparent;
  color: var(--arctic);
  border-color: var(--arctic);
}

.btn--outline:hover {
  background: var(--arctic);
  color: var(--white);
}

.btn--coral {
  background: var(--coral);
  color: var(--white);
  border-color: var(--coral);
}

.btn--coral:hover {
  background: #EA580C;
  color: var(--white);
}

/* Pillars — 3 col grid */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.pillar-card {
  background: var(--white);
  border: 1px solid var(--frost);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
}

.pillar-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  background: var(--ice);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.pillar-card h3 {
  margin-bottom: 0.5rem;
  color: var(--arctic);
}

.pillar-card p {
  font-size: 0.95rem;
  color: #475569;
}

/* Calm image section */
.calm-image-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin: 2rem 0;
}

.calm-image-wrap img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

/* Solutions list */
.solutions-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.solutions-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--ice);
  border-radius: var(--radius);
  border-left: 3px solid var(--arctic);
}

.solutions-list li::before {
  content: "→";
  color: var(--arctic);
  font-weight: 700;
  flex-shrink: 0;
}

/* Services rows */
.services-rows {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.service-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.25rem;
  align-items: center;
  padding: 1.5rem;
  background: var(--ice);
  border-radius: var(--radius);
  border: 1px solid var(--frost);
}

.service-row-num {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: var(--frost);
  line-height: 1;
}

.service-row h3 {
  font-size: 1.1rem;
}

.service-row p {
  font-size: 0.9rem;
  color: #475569;
  margin-top: 0.25rem;
}

.service-row-link {
  font-weight: 700;
  font-size: 0.85rem;
  white-space: nowrap;
}

/* Testimonial */
.testimonial-block {
  background: var(--midnight);
  color: var(--white);
  padding: 3rem 2.5rem;
  border-radius: var(--radius);
  position: relative;
}

.testimonial-block blockquote {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  line-height: 1.45;
  font-style: italic;
}

.testimonial-block cite {
  display: block;
  margin-top: 1.5rem;
  font-style: normal;
  font-size: 0.9rem;
  color: var(--frost);
}

.testimonial-block cite strong {
  color: var(--white);
  display: block;
  font-weight: 700;
}

/* FAQ Accordion */
.faq-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.faq-item {
  border: 1px solid var(--frost);
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1rem;
  text-align: left;
  color: var(--midnight);
}

.faq-question::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--arctic);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq-item.is-open .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}

.faq-answer-inner {
  padding: 0 1.25rem 1.15rem;
  color: #475569;
  font-size: 0.95rem;
}

.faq-item.is-open .faq-answer {
  max-height: 300px;
}

/* CTA section */
.cta-section {
  text-align: center;
  padding: 3.5rem 0;
}

.cta-section h2 {
  margin-bottom: 0.75rem;
}

.cta-section p {
  color: #475569;
  margin-bottom: 1.75rem;
}

.inline-email {
  margin-top: 1.5rem;
  font-size: 0.95rem;
  color: #475569;
}

.inline-email a {
  font-weight: 700;
}

/* Page header */
.page-hero {
  padding: 3.5rem 0 2.5rem;
  background: var(--white);
  border-bottom: 1px solid var(--frost);
}

.page-hero h1 {
  margin-bottom: 0.75rem;
}

.page-hero p {
  color: #475569;
  max-width: 55ch;
}

/* Collection filter */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.filter-btn {
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--frost);
  border-radius: 999px;
  background: var(--white);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--midnight);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.filter-btn:hover,
.filter-btn.is-active {
  background: var(--arctic);
  border-color: var(--arctic);
  color: var(--white);
}

/* Product grid — 3 col */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--frost);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.product-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.product-card.is-hidden {
  display: none;
}

.product-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.product-card-body {
  padding: 1.25rem;
}

.product-code {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--arctic);
  margin-bottom: 0.35rem;
}

.product-category {
  font-size: 0.75rem;
  color: #64748B;
  margin-bottom: 0.5rem;
}

.product-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.product-card p {
  font-size: 0.88rem;
  color: #475569;
  margin-bottom: 1rem;
}

.product-price {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--midnight);
}

/* Services page */
.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--frost);
}

.service-block:last-child {
  border-bottom: none;
}

.service-block:nth-child(even) {
  direction: rtl;
}

.service-block:nth-child(even) > * {
  direction: ltr;
}

.service-block--solo {
  grid-template-columns: 1fr;
  max-width: var(--max-col);
  margin: 0 auto;
}

.service-block--solo:nth-child(even) {
  direction: ltr;
}

.service-block img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
}

.service-block-content h2 {
  margin-bottom: 0.75rem;
  color: var(--arctic);
}

.service-block-content ul {
  margin-top: 1rem;
  padding-left: 1.25rem;
  color: #475569;
  font-size: 0.95rem;
}

.service-block-content li + li {
  margin-top: 0.35rem;
}

/* About */
.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.value-card {
  padding: 1.5rem;
  background: var(--ice);
  border-radius: var(--radius);
  border-top: 3px solid var(--arctic);
}

.value-card h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.value-card p {
  font-size: 0.9rem;
  color: #475569;
}

/* Contact form */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info-block {
  background: var(--white);
  border: 1px solid var(--frost);
  border-radius: var(--radius);
  padding: 2rem;
}

.contact-info-block h2 {
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
}

.contact-detail {
  margin-bottom: 1.25rem;
}

.contact-detail dt {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--arctic);
  margin-bottom: 0.25rem;
}

.contact-detail dd {
  font-size: 0.95rem;
  color: #334155;
}

.contact-form {
  background: var(--white);
  border: 1px solid var(--frost);
  border-radius: var(--radius);
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--frost);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--midnight);
  background: var(--ice);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--arctic);
}

.form-group textarea {
  min-height: 130px;
  resize: vertical;
}

.form-group.has-error input,
.form-group.has-error textarea,
.form-group.has-error select {
  border-color: var(--coral);
}

.form-error {
  display: none;
  color: var(--coral);
  font-size: 0.82rem;
  margin-top: 0.35rem;
  font-weight: 600;
}

.form-group.has-error .form-error {
  display: block;
}

.form-success {
  display: none;
  background: var(--ice);
  border: 1px solid var(--arctic);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  color: var(--midnight);
}

.form-success.is-visible {
  display: block;
}

.form-success p {
  font-size: 1rem;
  line-height: 1.5;
}

.contact-form.is-hidden {
  display: none;
}

/* Legal pages */
.legal-content {
  max-width: var(--max-col);
}

.legal-content h2 {
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
  color: var(--arctic);
}

.legal-content h3 {
  font-size: 1.05rem;
  margin: 1.5rem 0 0.5rem;
}

.legal-content p,
.legal-content li {
  font-size: 0.95rem;
  color: #334155;
}

.legal-content ul,
.legal-content ol {
  padding-left: 1.5rem;
  margin: 0.75rem 0;
}

.legal-content li + li {
  margin-top: 0.35rem;
}

.legal-meta {
  font-size: 0.85rem;
  color: #64748B;
  margin-bottom: 2rem;
}

/* Footer */
.site-footer {
  background: var(--midnight);
  color: var(--frost);
  padding: 3rem 0 1.5rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand .logo {
  color: var(--white);
  margin-bottom: 0.75rem;
  display: inline-block;
}

.footer-brand p {
  font-size: 0.9rem;
  max-width: 28ch;
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col li + li {
  margin-top: 0.5rem;
}

.footer-col a {
  color: var(--frost);
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: var(--white);
}

.footer-contact p {
  font-size: 0.88rem;
  line-height: 1.7;
}

.footer-bottom {
  border-top: 1px solid rgba(203, 213, 225, 0.2);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.82rem;
}

.footer-bottom a {
  color: var(--frost);
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--midnight);
  color: var(--white);
  padding: 1.25rem;
  z-index: 200;
  transform: translateY(100%);
  transition: transform var(--transition);
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.15);
}

.cookie-banner.is-visible {
  transform: translateY(0);
}

.cookie-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.cookie-inner p {
  font-size: 0.9rem;
  flex: 1;
  min-width: 200px;
}

.cookie-inner a {
  color: var(--frost);
  text-decoration: underline;
}

.cookie-actions {
  display: flex;
  gap: 0.75rem;
}

.cookie-actions .btn {
  padding: 0.55rem 1.25rem;
  font-size: 0.85rem;
}

/* Animations — JS enhanced */
.js .fade-in,
.js .slide-up {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.js .slide-up {
  transform: translateY(24px);
}

.js .fade-in.is-visible,
.js .slide-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.no-js .fade-in,
.no-js .slide-up {
  opacity: 1;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .contact-layout,
  .service-block,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .service-block:nth-child(even) {
    direction: ltr;
  }

  .products-grid,
  .pillars-grid,
  .about-values {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
}

@media (max-width: 640px) {
  .nav-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--frost);
    padding: 1rem 1.25rem;
  }

  .main-nav.is-open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0.75rem;
  }

  .products-grid,
  .pillars-grid,
  .about-values {
    grid-template-columns: 1fr;
  }

  section {
    padding: 2.5rem 0;
  }

  .hero {
    padding: 3rem 0 2.5rem;
  }

  .testimonial-block {
    padding: 2rem 1.5rem;
  }
}