/*=============== GOOGLE FONTS ===============*/
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/*=============== VARIABLES CSS ===============*/
:root {
  --header-height: 3.5rem;
  
  /*========== Colors ==========*/
  --primary-color: #0F172A;
  --primary-color-alt: #1E293B;
  --accent-color: #10B981;
  --accent-color-alt: #059669;
  --blue-accent: #0EA5E9;
  --blue-accent-alt: #0284C7;
  --white-color: #FFFFFF;
  --light-color: #F8FAFC;
  --gray-color: #64748B;
  --gray-light: #CBD5E1;
  --text-color: #334155;
  --text-color-light: #64748B;
  --body-color: #FFFFFF;
  --container-color: #FFFFFF;
  
  /*========== Font and typography ==========*/
  --body-font: 'Inter', sans-serif;
  --biggest-font-size: 3rem;
  --bigger-font-size: 2.25rem;
  --h1-font-size: 2rem;
  --h2-font-size: 1.5rem;
  --h3-font-size: 1.25rem;
  --normal-font-size: 1rem;
  --small-font-size: 0.875rem;
  --smaller-font-size: 0.75rem;
  
  /*========== Font weight ==========*/
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semi-bold: 600;
  --font-bold: 700;
  
  /*========== Margins Bottom ==========*/
  --mb-0-25: 0.25rem;
  --mb-0-5: 0.5rem;
  --mb-0-75: 0.75rem;
  --mb-1: 1rem;
  --mb-1-25: 1.25rem;
  --mb-1-5: 1.5rem;
  --mb-2: 2rem;
  --mb-2-5: 2.5rem;
  --mb-3: 3rem;
  
  /*========== z index ==========*/
  --z-tooltip: 10;
  --z-fixed: 100;
  --z-modal: 1000;
  
  /*========== Transitions ==========*/
  --transition: 0.3s ease;
  --transition-slow: 0.6s ease;
}

/* Responsive typography */
@media screen and (max-width: 992px) {
  :root {
    --biggest-font-size: 2.5rem;
    --bigger-font-size: 2rem;
    --h1-font-size: 1.75rem;
    --h2-font-size: 1.25rem;
    --h3-font-size: 1.125rem;
    --normal-font-size: 0.938rem;
    --small-font-size: 0.813rem;
    --smaller-font-size: 0.75rem;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  background-color: var(--body-color);
  color: var(--text-color);
  line-height: 1.6;
}

h1, h2, h3, h4 {
  color: var(--primary-color);
  font-weight: var(--font-semi-bold);
  line-height: 1.2;
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
}

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

input,
button,
textarea,
select {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
}

button {
  cursor: pointer;
  border: none;
  outline: none;
}

/*=============== REUSABLE CSS CLASSES ===============*/
.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.grid {
  display: grid;
}

.section {
  padding: 5rem 0 2rem;
}

.section__title {
  font-size: var(--h1-font-size);
  color: var(--primary-color);
  text-align: center;
  margin-bottom: var(--mb-0-75);
  font-weight: var(--font-bold);
}

.section__subtitle {
  display: block;
  font-size: var(--normal-font-size);
  color: var(--text-color-light);
  text-align: center;
  margin-bottom: var(--mb-3);
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--accent-color);
  color: var(--white-color);
  padding: 1rem 2rem;
  border-radius: 0.5rem;
  font-weight: var(--font-medium);
  transition: var(--transition);
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-size: var(--normal-font-size);
}

.button:hover {
  background-color: var(--accent-color-alt);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.3);
}

.button i {
  font-size: 1.25rem;
}

/*=============== HEADER & NAV ===============*/
.header {
  width: 100%;
  background-color: transparent;
  position: fixed;
  top: 0;
  left: 0;
  z-index: var(--z-fixed);
  transition: var(--transition);
}

.header.scroll-header {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.1);
}

.nav {
  height: var(--header-height);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.nav__logo span {
  color: var(--primary-color);
  font-weight: var(--font-bold);
  font-size: var(--h3-font-size);
}

.nav__logo small {
  color: var(--text-color-light);
  font-size: var(--small-font-size);
  font-weight: var(--font-regular);
}

.nav__list {
  display: flex;
  flex-direction: row;
  column-gap: 2rem;
}

.nav__link {
  color: var(--text-color);
  font-weight: var(--font-medium);
  transition: var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 50%;
  background-color: var(--accent-color);
  transition: var(--transition);
  transform: translateX(-50%);
}

.nav__link:hover::after,
.nav__link.active-link::after {
  width: 100%;
}

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

.nav__toggle,
.nav__close {
  display: none;
}

/* Mobile Navigation */
@media screen and (max-width: 767px) {
  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--container-color);
    box-shadow: -2px 0 4px rgba(15, 23, 42, 0.1);
    padding: 2rem;
    transition: var(--transition);
  }
  
  .nav__menu.show-menu {
    right: 0;
  }
  
  .nav__list {
    flex-direction: column;
    row-gap: 1.5rem;
  }
  
  .nav__toggle,
  .nav__close {
    display: block;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
  }
  
  .nav__close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
  }
}

/*=============== HERO ===============*/
.hero {
  position: relative;
  padding: 8rem 0 5rem;
  background: linear-gradient(135deg, var(--light-color) 0%, #F1F5F9 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%2310B981" stop-opacity="0.1"/><stop offset="100%" stop-color="%230EA5E9" stop-opacity="0.05"/></radialGradient></defs><rect width="100%" height="100%" fill="url(%23a)"/></svg>');
  z-index: -1;
}

.hero__container {
  grid-template-columns: repeat(2, 1fr);
  align-items: center;
  gap: 3rem;
}

.hero__data {
  z-index: 2;
}

.hero__title {
  font-size: var(--biggest-font-size);
  font-weight: var(--font-bold);
  margin-bottom: var(--mb-0-5);
  line-height: 1.1;
}

.hero__subtitle {
  display: block;
  font-size: var(--h2-font-size);
  color: var(--accent-color);
  font-weight: var(--font-medium);
  margin-top: var(--mb-0-5);
}

.hero__description {
  font-size: var(--h3-font-size);
  color: var(--text-color-light);
  margin-bottom: var(--mb-2-5);
  font-weight: var(--font-light);
}

.hero__button {
  font-size: var(--h3-font-size);
  padding: 1.25rem 2.5rem;
}

.hero__image {
  position: relative;
}

.hero__img {
  width: 100%;
  max-width: 400px;
  border-radius: 1rem;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.15);
  transition: var(--transition-slow);
}

.hero__img:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.2);
}

/*=============== ABOUT ===============*/
.about {
  padding: 5rem 0;
}

.about__container {
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about__description {
  font-size: var(--normal-font-size);
  color: var(--text-color);
  margin-bottom: var(--mb-2);
  line-height: 1.7;
}

.about__info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: var(--mb-2);
}

.about__box {
  background-color: var(--light-color);
  padding: 1.5rem;
  border-radius: 0.75rem;
  text-align: center;
  border: 1px solid var(--gray-light);
  transition: var(--transition);
}

.about__box:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.1);
}

.about__box-title {
  font-size: var(--bigger-font-size);
  font-weight: var(--font-bold);
  color: var(--accent-color);
  margin-bottom: var(--mb-0-25);
}

.about__box-subtitle {
  font-size: var(--small-font-size);
  color: var(--text-color-light);
  font-weight: var(--font-medium);
}

.about__specialties-title {
  font-size: var(--h2-font-size);
  margin-bottom: var(--mb-1-5);
  color: var(--primary-color);
}

.about__specialties-list {
  display: grid;
  gap: 1.5rem;
}

.specialty__item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background-color: var(--white-color);
  border-radius: 0.75rem;
  border: 1px solid var(--gray-light);
  transition: var(--transition);
}

.specialty__item:hover {
  border-color: var(--accent-color);
  transform: translateX(8px);
}

.specialty__icon {
  font-size: 2rem;
  color: var(--accent-color);
  background-color: rgba(16, 185, 129, 0.1);
  padding: 0.75rem;
  border-radius: 0.5rem;
  flex-shrink: 0;
}

.specialty__item h4 {
  font-size: var(--h3-font-size);
  font-weight: var(--font-semi-bold);
  margin-bottom: var(--mb-0-25);
}

.specialty__item span {
  font-size: var(--small-font-size);
  color: var(--text-color-light);
}

/*=============== LISTINGS ===============*/
.listings {
  padding: 5rem 0;
  background-color: var(--light-color);
}

.listings__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: var(--mb-3);
}

.listing__card {
  background-color: var(--white-color);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.1);
  transition: var(--transition-slow);
}

.listing__card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.15);
}

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

.listing__img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: var(--transition-slow);
}

.listing__card:hover .listing__img {
  transform: scale(1.05);
}

.listing__badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: var(--accent-color);
  color: var(--white-color);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: var(--small-font-size);
  font-weight: var(--font-medium);
}

.listing__badge.luxury {
  background-color: var(--blue-accent);
}

.listing__badge.sold {
  background-color: var(--gray-color);
}

.listing__data {
  padding: 1.5rem;
}

.listing__title {
  font-size: var(--h3-font-size);
  margin-bottom: var(--mb-0-5);
  font-weight: var(--font-semi-bold);
}

.listing__location {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-color-light);
  font-size: var(--small-font-size);
  margin-bottom: var(--mb-1);
}

.listing__details {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--mb-1-5);
  gap: 1rem;
}

.listing__details span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: var(--small-font-size);
  color: var(--text-color-light);
}

.listing__details i {
  color: var(--accent-color);
}

.listing__price {
  font-size: var(--h2-font-size);
  font-weight: var(--font-bold);
  color: var(--primary-color);
  margin-bottom: var(--mb-1-5);
}

.listing__button {
  width: 100%;
  justify-content: center;
}

.listing__button:disabled {
  background-color: var(--gray-color);
  cursor: not-allowed;
  transform: none;
}

.listing__button:disabled:hover {
  background-color: var(--gray-color);
  transform: none;
  box-shadow: none;
}

/*=============== TESTIMONIALS ===============*/
.testimonials {
  padding: 5rem 0;
  background-color: var(--white-color);
}

.testimonials__slider {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 1rem;
}

.testimonial__card {
  display: none;
  opacity: 0;
  transform: translateX(100px);
  transition: var(--transition-slow);
}

.testimonial__card.active {
  display: block;
  opacity: 1;
  transform: translateX(0);
}

.testimonial__content {
  background-color: var(--light-color);
  padding: 3rem;
  border-radius: 1rem;
  text-align: center;
}

.testimonial__quote {
  font-size: var(--h3-font-size);
  color: var(--text-color);
  margin-bottom: var(--mb-2);
  line-height: 1.6;
  font-style: italic;
  position: relative;
}

.testimonial__quote::before {
  content: '"';
  font-size: 4rem;
  color: var(--accent-color);
  position: absolute;
  top: -1rem;
  left: -1rem;
  font-family: serif;
}

.testimonial__author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.testimonial__img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent-color);
}

.testimonial__name {
  font-size: var(--h3-font-size);
  font-weight: var(--font-semi-bold);
  margin-bottom: var(--mb-0-25);
}

.testimonial__title {
  font-size: var(--small-font-size);
  color: var(--text-color-light);
}

.testimonials__controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  margin-top: var(--mb-2);
}

.testimonial__arrow {
  background-color: var(--accent-color);
  color: var(--white-color);
  padding: 0.75rem;
  border-radius: 50%;
  font-size: 1.25rem;
  transition: var(--transition);
}

.testimonial__arrow:hover {
  background-color: var(--accent-color-alt);
  transform: scale(1.1);
}

.testimonials__dots {
  display: flex;
  gap: 0.5rem;
}

.testimonial__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--gray-light);
  cursor: pointer;
  transition: var(--transition);
}

.testimonial__dot.active {
  background-color: var(--accent-color);
}

/*=============== CONTACT ===============*/
.contact {
  padding: 5rem 0;
  background-color: var(--light-color);
}

.contact__container {
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact__description {
  font-size: var(--normal-font-size);
  color: var(--text-color);
  margin-bottom: var(--mb-2-5);
  line-height: 1.6;
}

.contact__info {
  display: grid;
  gap: 1.5rem;
}

.contact__info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact__info-icon {
  font-size: 1.5rem;
  color: var(--accent-color);
  background-color: rgba(16, 185, 129, 0.1);
  padding: 0.75rem;
  border-radius: 0.5rem;
  flex-shrink: 0;
}

.contact__info-item h4 {
  font-size: var(--h3-font-size);
  font-weight: var(--font-semi-bold);
  margin-bottom: var(--mb-0-25);
}

.contact__info-item span {
  color: var(--text-color-light);
  font-size: var(--small-font-size);
  line-height: 1.5;
}

.contact__form {
  background-color: var(--white-color);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.1);
}

.contact__form-group {
  margin-bottom: var(--mb-1-5);
}

.contact__form-input,
.contact__form-textarea {
  width: 100%;
  background-color: var(--light-color);
  color: var(--text-color);
  padding: 1rem;
  border-radius: 0.5rem;
  border: 1px solid var(--gray-light);
  transition: var(--transition);
}

.contact__form-input:focus,
.contact__form-textarea:focus {
  border-color: var(--accent-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

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

.contact__button {
  width: 100%;
  justify-content: center;
  font-size: var(--normal-font-size);
}

/*=============== FOOTER ===============*/
.footer {
  background-color: var(--primary-color);
  padding: 3rem 0 2rem;
}

.footer__container {
  row-gap: 2rem;
}

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

.footer__logo h3 {
  color: var(--white-color);
  font-size: var(--h2-font-size);
  margin-bottom: var(--mb-0-25);
}

.footer__logo span {
  color: var(--accent-color);
  font-size: var(--small-font-size);
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.footer__link {
  color: var(--gray-light);
  transition: var(--transition);
}

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

.footer__social {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--accent-color);
  border-radius: 50%;
  font-size: 1.25rem;
  transition: var(--transition);
}

.footer__social-link:hover {
  background-color: var(--accent-color);
  color: var(--white-color);
  transform: translateY(-2px);
}

.footer__copy {
  padding-top: 2rem;
  border-top: 1px solid var(--primary-color-alt);
  text-align: center;
}

.footer__copy p {
  color: var(--gray-light);
  font-size: var(--small-font-size);
}

/*=============== SCROLL UP ===============*/
.scrollup {
  position: fixed;
  right: 1rem;
  bottom: -20%;
  background-color: var(--accent-color);
  opacity: 0.8;
  padding: 0.75rem;
  border-radius: 0.5rem;
  z-index: var(--z-tooltip);
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.scrollup:hover {
  background-color: var(--accent-color-alt);
  opacity: 1;
  transform: translateY(-4px);
}

.scrollup i {
  color: var(--white-color);
  font-size: 1.5rem;
}

.show-scroll {
  bottom: 5rem;
}

/*=============== SCROLL BAR ===============*/
::-webkit-scrollbar {
  width: 0.6rem;
  background-color: var(--gray-light);
}

::-webkit-scrollbar-thumb {
  background-color: var(--accent-color);
  border-radius: 0.5rem;
}

::-webkit-scrollbar-thumb:hover {
  background-color: var(--accent-color-alt);
}

/*=============== ANIMATIONS ===============*/
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(50px);
  transition: var(--transition-slow);
}

.fade-in.animate {
  opacity: 1;
  transform: translateY(0);
}

/*=============== BREAKPOINTS ===============*/
/* For large devices */
@media screen and (max-width: 992px) {
  .container {
    margin-left: var(--mb-1-5);
    margin-right: var(--mb-1-5);
  }
  
  .hero__container,
  .about__container,
  .contact__container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .hero {
    padding: 6rem 0 3rem;
  }
  
  .hero__data {
    text-align: center;
    order: 2;
  }
  
  .hero__image {
    order: 1;
    text-align: center;
  }
  
  .about__info {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer__content {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    text-align: center;
  }
  
  .footer__links {
    justify-content: center;
  }
  
  .footer__social {
    justify-content: center;
  }
}

/* For medium devices */
@media screen and (max-width: 768px) {
  .section {
    padding: 4rem 0 2rem;
  }
  
  .listings__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .about__info {
    grid-template-columns: 1fr;
  }
  
  .about__specialties-list {
    gap: 1rem;
  }
  
  .specialty__item {
    padding: 1rem;
  }
  
  .testimonial__content {
    padding: 2rem;
  }
  
  .contact__form {
    padding: 1.5rem;
  }
}

/* For small devices */
@media screen and (max-width: 350px) {
  .container {
    margin-left: var(--mb-1);
    margin-right: var(--mb-1);
  }
  
  .hero__title {
    font-size: var(--h1-font-size);
  }
  
  .listing__details {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .testimonials__controls {
    gap: 1rem;
  }
  
  .about__box {
    padding: 1rem;
  }
}

/*=============== LOADING ANIMATION ===============*/
.loading {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.loading.loaded {
  opacity: 1;
  transform: translateY(0);
}

/*=============== FORM VALIDATION ===============*/
.contact__form-input.error,
.contact__form-textarea.error {
  border-color: #EF4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.contact__form-input.success,
.contact__form-textarea.success {
  border-color: var(--accent-color);
}

.error-message {
  color: #EF4444;
  font-size: var(--small-font-size);
  margin-top: var(--mb-0-25);
  display: none;
}

.error-message.show {
  display: block;
}