/* 
 * Cartanix Sports Nutrition Studio - Styles
 * Theme: Nature
 */

/* ===============
   Base Styles
   =============== */
:root {
  /* Colors */
  --color-background: #f5f2e9;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-accent: #2c5530; /* Forest green */
  --color-accent-light: #3b7242;
  --color-secondary: #d4713e; /* Earthy orange */
  --color-secondary-light: #e48c5c;
  --color-white: #ffffff;
  --color-light-gray: #f4f4f4;
  --color-border: #e3e0d8;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
  
  /* Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Open Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-sm);
}

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

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

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

ul {
  list-style: none;
}

/* ===============
   Layout
   =============== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

section {
  padding: var(--spacing-xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-title {
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-light);
}

/* ===============
   Components
   =============== */

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

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

.btn--primary:hover {
  background-color: var(--color-accent-light);
  color: var(--color-white);
}

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

.btn--secondary:hover {
  background-color: var(--color-secondary-light);
  color: var(--color-white);
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
  z-index: 100;
  padding: var(--spacing-sm) 0;
  transition: all var(--transition-medium);
}

.header.scrolled {
  padding: 0.5rem 0;
  box-shadow: var(--shadow-md);
}

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

.logo {
  display: block;
  max-width: 150px;
}

.nav__list {
  display: flex;
  gap: var(--spacing-md);
}

.nav__link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  position: relative;
  padding: 0.5rem 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-medium);
}

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

.nav__link:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle__bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px 0;
  background-color: var(--color-text);
  transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
  padding-top: calc(var(--spacing-xl) + 80px);
  padding-bottom: var(--spacing-xl);
  background-color: var(--color-white);
}

.hero__inner {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.hero__content {
  flex: 1;
}

.hero__image {
  flex: 1;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero__title {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: 1.5rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

/* About Section */
.about {
  background-color: var(--color-background);
}

.about__inner {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.about__image {
  flex: 1;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about__content {
  flex: 1;
}

.about__features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.feature {
  flex: 1;
  min-width: 200px;
}

.feature__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  margin-bottom: var(--spacing-sm);
}

.feature__title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

/* Products Section */
.products {
  background-color: var(--color-white);
}

.products__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.product-card {
  background-color: var(--color-light-gray);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium);
}

.product-card:hover {
  transform: translateY(-10px);
}

.product-card__image {
  height: 200px;
  overflow: hidden;
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

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

.product-card__content {
  padding: var(--spacing-md);
}

.product-card__title {
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.product-card__text {
  margin-bottom: var(--spacing-md);
}

/* Benefits Section */
.benefits {
  background-color: var(--color-background);
}

.benefits__inner {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.benefits__content {
  flex: 1;
}

.benefits__image {
  flex: 1;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.benefit {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.benefit__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  flex-shrink: 0;
}

.benefit__text h3 {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xs);
}

/* Testimonials Section */
.testimonials {
  background-color: var(--color-white);
}

.testimonial-slider {
  position: relative;
  overflow: hidden;
}

.testimonial {
  background-color: var(--color-light-gray);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
  margin: 0 var(--spacing-sm);
}

.testimonial__text {
  font-style: italic;
  margin-bottom: var(--spacing-md);
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.testimonial__image {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial__name {
  margin-bottom: 0;
  font-size: 1.1rem;
}

.testimonial__role {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin-bottom: 0;
}

.testimonial-controls {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.testimonial-control {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: var(--color-white);
  cursor: pointer;
  border: none;
  transition: background-color var(--transition-fast);
}

.testimonial-control:hover {
  background-color: var(--color-accent-light);
}

/* Team Section */
.team {
  background-color: var(--color-background);
}

.team__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.team-member {
  text-align: center;
}

.team-member__image {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto var(--spacing-md);
  box-shadow: var(--shadow-md);
}

.team-member__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.team-member__name {
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.team-member__role {
  color: var(--color-secondary);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

/* FAQ Section */
.faq {
  background-color: var(--color-white);
}

.accordion__item {
  margin-bottom: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.accordion__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--spacing-md);
  background-color: var(--color-light-gray);
  border: none;
  text-align: left;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-text);
  transition: background-color var(--transition-fast);
}

.accordion__header:hover {
  background-color: #eaeaea;
}

.accordion__icon {
  transition: transform var(--transition-medium);
}

.accordion__item.active .accordion__icon {
  transform: rotate(45deg);
}

.accordion__content {
  padding: 0 var(--spacing-md);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-medium), padding var(--transition-medium);
}

.accordion__item.active .accordion__content {
  padding: var(--spacing-md);
  max-height: 200px;
}

/* Contact Section */
.contact {
  background-color: var(--color-background);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact__item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.contact__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  flex-shrink: 0;
}

.contact__text h3 {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xs);
}

.contact-form {
  background-color: var(--color-white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background-color: var(--color-light-gray);
  transition: border-color var(--transition-fast);
}

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

.form-submit {
  width: 100%;
}

/* Footer */
.footer {
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: var(--spacing-lg) 0;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer__info {
  flex: 1;
  min-width: 250px;
}

.footer__logo {
  display: block;
  max-width: 150px;
  margin-bottom: var(--spacing-sm);
  filter: brightness(0) invert(1);
}

.footer__tagline {
  margin-bottom: var(--spacing-md);
}

.footer__links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer__title {
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
  font-size: 1.2rem;
}

.footer__menu li {
  margin-bottom: var(--spacing-xs);
}

.footer__menu a {
  color: var(--color-white);
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.footer__menu a:hover {
  opacity: 1;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-medium);
  z-index: 99;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--color-accent-light);
  color: var(--color-white);
}

/* Policy Pages */
.policy {
  padding: calc(var(--spacing-xl) + 80px) 0 var(--spacing-xl);
  background-color: var(--color-white);
}

.policy__content {
  background-color: var(--color-light-gray);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-lg);
}

.policy__content h2 {
  color: var(--color-accent);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  font-size: 1.75rem;
}

.policy__content h3 {
  color: var(--color-text);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  font-size: 1.25rem;
}

.policy__content p,
.policy__content ul {
  margin-bottom: var(--spacing-sm);
}

.policy__content ul {
  padding-left: var(--spacing-md);
  list-style: disc;
}

.policy__content li {
  margin-bottom: var(--spacing-xs);
}

.policy__content a {
  text-decoration: underline;
}

/* Success Page */
.success {
  padding: calc(var(--spacing-xl) + 80px) 0 var(--spacing-xl);
  background-color: var(--color-white);
  min-height: 70vh;
  display: flex;
  align-items: center;
}

.success__inner {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.success__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  margin-bottom: var(--spacing-md);
}

.success__title {
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.success__text {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
}

.success__details {
  background-color: var(--color-light-gray);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  text-align: left;
}

.success__details h3 {
  margin-bottom: var(--spacing-sm);
}

.success__actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.success__contact {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.success__contact p {
  margin-bottom: var(--spacing-xs);
}

/* ===============
   Responsive Styles
   =============== */
@media (max-width: 992px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .hero__title {
    font-size: 3rem;
  }
  
  .hero__inner,
  .about__inner,
  .benefits__inner {
    flex-direction: column;
  }
  
  .hero__image,
  .about__image,
  .benefits__image {
    margin-top: var(--spacing-md);
    width: 100%;
  }
  
  .contact__inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-xl) var(--spacing-md);
    transition: right var(--transition-medium);
    z-index: 101;
  }
  
  .nav.active {
    right: 0;
  }
  
  .nav__list {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .menu-toggle {
    display: block;
    z-index: 102;
  }
  
  .menu-toggle.active .menu-toggle__bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .menu-toggle.active .menu-toggle__bar:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle.active .menu-toggle__bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  
  .about__features {
    flex-direction: column;
  }
  
  .footer__inner {
    flex-direction: column;
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.75rem;
  }
  
  .hero__title {
    font-size: 2.5rem;
  }
  
  .hero__subtitle {
    font-size: 1.25rem;
  }
  
  section {
    padding: var(--spacing-lg) 0;
  }
  
  .footer__links {
    flex-direction: column;
    gap: var(--spacing-md);
  }
}