/*
Theme Name: Cu-Bits Modern
Theme URI: https://cu-bits.org
Description: A stunning modern redesign of cu-bits.org with luxury aesthetic and smooth interactions
Author: Cu-Bits Team
Author URI: https://cu-bits.org
Version: 1.0.0
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: cubits-modern
Domain Path: /languages
Requires at least: 5.0
Requires PHP: 7.4
*/

:root {
  --copper: #b5652a;
  --copper-light: #d4874a;
  --copper-pale: #f5ede3;
  --copper-deep: #7a3e12;
  --sand: #f0e8d8;
  --sand-mid: #e2d4bd;
  --ink: #1a1410;
  --ink-muted: #4a3f35;
  --ink-soft: #7a6e62;
  --cream: #faf6f0;
  --white: #ffffff;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Jost', sans-serif;
  background: var(--cream);
  color: var(--ink);
  font-weight: 300;
  overflow-x: hidden;
}

/* NAV */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 4rem;
  background: rgba(250, 246, 240, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--sand-mid);
  transition: padding 0.4s;
}

.nav-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--copper-deep);
  text-decoration: none;
}

.nav-logo span {
  color: var(--ink-soft);
  font-style: italic;
  font-weight: 300;
  font-size: 0.9rem;
  display: block;
  letter-spacing: 0.12em;
  margin-top: -4px;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--ink-muted);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 400;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: var(--copper);
}

.nav-cta {
  background: var(--copper);
  color: var(--white);
  padding: 0.6rem 1.6rem;
  border-radius: 2px;
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 400;
  transition: background 0.3s;
}

.nav-cta:hover {
  background: var(--copper-deep);
}

/* HERO */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  overflow: hidden;
}

.hero-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 5rem 6rem 6rem;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--copper);
  font-weight: 400;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--copper);
}

h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 4.5rem;
  font-weight: 300;
  line-height: 1.05;
  color: var(--ink);
  margin-bottom: 2rem;
  letter-spacing: -0.01em;
}

h1 em {
  font-style: italic;
  color: var(--copper-deep);
}

.hero-tagline {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 400px;
  margin-bottom: 3rem;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: 1.2rem;
  align-items: center;
}

.btn-primary {
  background: var(--copper);
  color: var(--white);
  padding: 0.9rem 2.4rem;
  border-radius: 2px;
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 400;
  transition: background 0.3s, transform 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--copper-deep);
  transform: translateY(-1px);
}

.btn-ghost {
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 400;
  border-bottom: 1px solid var(--sand-mid);
  padding-bottom: 2px;
  transition: color 0.3s, border-color 0.3s;
}

.btn-ghost:hover {
  color: var(--copper);
  border-color: var(--copper);
}

.hero-right {
  position: relative;
  background: var(--sand);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-ring-visual {
  width: 420px;
  height: 420px;
  position: relative;
  animation: slowSpin 40s linear infinite;
}

@keyframes slowSpin {
  to {
    transform: rotate(360deg);
  }
}

.hero-badge {
  position: absolute;
  bottom: 3rem;
  left: 3rem;
  background: var(--white);
  border: 1px solid var(--sand-mid);
  padding: 1.2rem 1.6rem;
  border-radius: 3px;
  backdrop-filter: blur(8px);
}

.hero-badge-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.2rem;
  font-weight: 400;
  color: var(--copper);
  line-height: 1;
}

.hero-badge-label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 4px;
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink-soft);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  z-index: 10;
}

.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--copper), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% {
    opacity: 0.3;
    transform: scaleY(1);
  }
  50% {
    opacity: 1;
    transform: scaleY(1.2);
  }
}

/* SECTION BASE */
section {
  padding: 8rem 0;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 4rem;
}

.section-eyebrow {
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--copper);
  font-weight: 400;
  margin-bottom: 1.2rem;
}

h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3rem;
  font-weight: 300;
  line-height: 1.1;
  color: var(--ink);
  margin-bottom: 2rem;
}

h2 em {
  font-style: italic;
  color: var(--copper-deep);
}

h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 0.8rem;
}

p {
  line-height: 1.9;
  color: var(--ink-soft);
  font-weight: 300;
}

/* WHAT ARE TENSOR RINGS */
.tensor-section {
  background: var(--white);
}

.tensor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.tensor-text h2 {
  margin-bottom: 1.5rem;
}

.tensor-text p {
  margin-bottom: 1.2rem;
}

.tensor-facts {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.tensor-fact {
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  padding: 1.4rem;
  background: var(--copper-pale);
  border-left: 3px solid var(--copper);
  border-radius: 0 3px 3px 0;
}

.tensor-fact-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  background: var(--copper);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1rem;
}

.tensor-fact-text {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink-muted);
}

.tensor-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* CUBIT TYPES */
.cubits-section {
  background: var(--sand);
}

.cubits-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 5rem;
}

.cubits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.cubit-card {
  background: var(--cream);
  border: 1px solid var(--sand-mid);
  border-radius: 3px;
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

.cubit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--copper);
}

.cubit-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(181, 101, 42, 0.12);
}

.cubit-freq {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 0.8rem;
  font-weight: 400;
}

.cubit-card p {
  font-size: 0.9rem;
  line-height: 1.8;
}

/* ABOUT */
.about-section {
  background: var(--ink);
  color: var(--cream);
}

.about-section .section-eyebrow {
  color: var(--copper-light);
}

.about-section h2 {
  color: var(--cream);
}

.about-section h2 em {
  color: var(--copper-light);
}

.about-section p {
  color: rgba(250, 246, 240, 0.65);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
}

.about-quote {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.9rem;
  font-weight: 300;
  line-height: 1.4;
  color: var(--cream);
  font-style: italic;
  border-left: 2px solid var(--copper);
  padding-left: 2rem;
  margin-bottom: 2rem;
}

.about-text p {
  margin-bottom: 1.2rem;
  font-size: 0.95rem;
}

/* SLIM SPURLING */
.spurling-section {
  background: var(--cream);
}

.spurling-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 5rem;
  align-items: start;
}

.spurling-meta {
  position: sticky;
  top: 8rem;
}

.spurling-year {
  font-family: 'Cormorant Garamond', serif;
  font-size: 6rem;
  font-weight: 300;
  color: var(--sand-mid);
  line-height: 1;
  margin-bottom: 1rem;
}

.spurling-bio-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.spurling-bio-list li {
  display: flex;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--ink-muted);
  line-height: 1.6;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--sand-mid);
}

.spurling-bio-list li::before {
  content: '—';
  color: var(--copper);
  flex-shrink: 0;
  font-family: 'Cormorant Garamond', serif;
}

/* HOW TO USE */
.use-section {
  background: var(--copper-pale);
}

.use-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 5rem;
}

.use-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}

.use-item {
  background: var(--white);
  border: 1px solid var(--sand-mid);
  border-radius: 3px;
  padding: 1.4rem 1.8rem;
  display: flex;
  gap: 1.2rem;
  align-items: flex-start;
  transition: border-color 0.3s;
}

.use-item:hover {
  border-color: var(--copper);
}

.use-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem;
  font-weight: 300;
  color: var(--copper);
  line-height: 1;
  flex-shrink: 0;
  margin-top: -4px;
}

.use-item p {
  font-size: 0.88rem;
  line-height: 1.7;
}

/* REVIEWS */
.reviews-section {
  background: var(--white);
}

.reviews-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 5rem;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.review-card {
  background: var(--cream);
  border: 1px solid var(--sand-mid);
  border-radius: 3px;
  padding: 2rem;
  position: relative;
}

.review-quote-mark {
  font-family: 'Cormorant Garamond', serif;
  font-size: 5rem;
  color: var(--copper-pale);
  line-height: 0.5;
  margin-bottom: 1rem;
  display: block;
}

.review-text {
  font-size: 0.9rem;
  line-height: 1.8;
  font-style: italic;
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
}

.review-attribution {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--copper);
}

/* CONTACT */
.contact-section {
  background: var(--sand);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
}

.contact-info h2 {
  margin-bottom: 1.5rem;
}

.contact-info p {
  margin-bottom: 2rem;
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.88rem;
  color: var(--ink-muted);
  margin-bottom: 2rem;
}

.contact-detail strong {
  color: var(--ink);
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.7rem;
}

.contact-telegram {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  background: var(--copper);
  color: white;
  padding: 0.9rem 1.8rem;
  border-radius: 2px;
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: background 0.3s;
  border: none;
  cursor: pointer;
}

.contact-telegram:hover {
  background: var(--copper-deep);
}

.contact-form {
  background: var(--white);
  border: 1px solid var(--sand-mid);
  border-radius: 3px;
  padding: 3rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.5rem;
  font-weight: 400;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--cream);
  border: 1px solid var(--sand-mid);
  border-radius: 2px;
  padding: 0.8rem 1rem;
  font-family: 'Jost', sans-serif;
  font-size: 0.9rem;
  color: var(--ink);
  font-weight: 300;
  transition: border-color 0.3s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--copper);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-submit {
  width: 100%;
  background: var(--copper);
  color: white;
  border: none;
  padding: 0.9rem;
  font-family: 'Jost', sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 400;
  cursor: pointer;
  border-radius: 2px;
  transition: background 0.3s;
}

.form-submit:hover {
  background: var(--copper-deep);
}

/* FOOTER */
footer {
  background: var(--ink);
  color: rgba(250, 246, 240, 0.5);
  padding: 4rem 0 2rem;
  text-align: center;
}

.footer-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem;
  color: var(--copper-light);
  margin-bottom: 0.5rem;
}

.footer-tagline {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.footer-links a {
  color: rgba(250, 246, 240, 0.5);
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.3s;
}

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

.footer-copy {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

/* DIVIDER */
.divider {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin: 2rem 0;
  opacity: 0.4;
}

.divider-line {
  flex: 1;
  height: 1px;
  background: var(--sand-mid);
}

.divider-sym {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.2rem;
  color: var(--copper);
}

/* ANIMATE ON SCROLL */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

/* SVG ring drawing */
.ring-svg {
  width: 100%;
  height: 100%;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-left {
    padding: 6rem 4rem 3rem;
  }

  .hero-right {
    min-height: 400px;
  }

  h1 {
    font-size: 3.5rem;
  }

  .container {
    padding: 0 2rem;
  }

  .tensor-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .cubits-grid,
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .spurling-meta {
    position: static;
  }

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

  nav {
    padding: 1rem 2rem;
  }

  .nav-links {
    gap: 1.5rem;
    font-size: 0.7rem;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  .cubits-grid,
  .reviews-grid {
    grid-template-columns: 1fr;
  }

  .hero-ring-visual {
    width: 300px;
    height: 300px;
  }

  .hero-badge {
    bottom: 1.5rem;
    left: 1.5rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  section {
    padding: 4rem 0;
  }

  .spurling-year {
    font-size: 4rem;
  }

  nav {
    flex-direction: column;
    gap: 1rem;
  }

  .nav-links {
    flex-direction: column;
    gap: 0.8rem;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
  }
}