/*Google Fonts*/
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans:ital,wght@0,100..900;1,100..900&family=Oswald:wght@200..700&family=Ubuntu:ital,wght@0,300;0,400;0,500;0,700;1,300;1,400;1,500;1,700&display=swap');


/* Variables CSS */

:root {
    --header-height: 70px;
    --container-width: 1220px;

    /* Colors */
    --primary-color: #0b7d12;
    --secondary-color: #0f9d15;
    --accent-color: #A7DDA7;
    --dark-color: #173d32;
    --light-color: #d7ecd7;

    --background-light: #f3f4f6;
    --primary-dark: var(--dark-color);

    --title-color: #111827;
    --text-color: #4B5563;
    --text-light: #4b5563;
    --container-color: #ffffff;
    --body-color: #f9f9f9;
    --white: #ffffff;
    --gray: #d1d5db;

    --border-color: rgba(17, 24, 39, 0.18);

    /* Overlays */
    --overlay-dark: rgba(0, 0, 0, 0.7);
    --overlay-dim: rgba(0, 0, 0, 0.5);
    --overlay-soft: rgba(0, 0, 0, 0.4);


        /* Neutrals */
    --neutral-50: #fafafa;
    --neutral-100: #f9fafb;
    --neutral-200: #f3f4f6;
    --neutral-300: #e5e7eb;
    --neutral-700: #374151;

    /* Shadows */
    --deep_shadow: 0 2px 30px rgba(0,0,0,0.1);
    --basic_shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow: 0 6px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);

    --focus-ring: 0 0 0 4px rgba(23, 190, 32, 0.15);

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 18px;
    --radius-3xl: 20px;
    --radius-pill: 999px;
    --radius-round: 50%;


    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-7: 2rem;
    --space-8: 2.5rem;
    --space-9: 3rem;
    --space-10: 3.5rem;
    --space-11: 4rem;
    --space-12: 4.5rem;
    --space-13: 5rem;

    /* Accents */
    --gold: #1f2937;
    --gold-bg: rgb(208, 208, 16);
    --warning-btn: #e09d26;
    --warning-btn-hover: #d8ab5e;

    /* Font and typography */
    --body-font: "Noto Sans", sans-serif;
    --title-font: "Oswald", sans-serif;
    --style-font: "Ubuntu", sans-serif;

    --max-font-size: 3rem;
    --h1-font-size: 2rem;
    --h2-font-size: 1.25rem;
    --h3-font-size: 1rem;
    --normal-font-size: 0.938rem;
    --small-font-size: 0.813rem;
    --smaller-font-size: 0.75rem;

    /* Font weight     */
    --font-regular: 400;
    --font-medium: 500;
    --font-semi-bold: 600;
    --font-bold: 700;

    /* Transition */
    --transition: 0.3s ease;
    --transition1: 0.25s ease;
    --transition2: 0.5s ease;
    --transition3: 1s ease;
    --cubic-in: cubic-bezier(0.51, 0.03, 0.64, 0.28);
    --cubic-out: cubic-bezier(0.33, 0.85, 0.4, 0.96);

    /* Sizes */
    --scrollbar-w: 8px;
    --logo-w-sm: 64px;
    --logo-w-lg: 80px;
}

.home_section,
.welcome{
  --text-light: #374151;
}

.section,
.author_card,
.feature_item,
.book-card,
.tracker_card,
.feedback_card,
.faq_item,
[data-reveal]{
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.section.active,
.author_card.active,
.feature_item.active,
.book-card.active,
.tracker_card.active,
.feedback_card.active,
.faq_item.active,
[data-reveal].active{
  opacity: 1;
  transform: translateY(0);
}



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

html {
    scroll-behavior: smooth;
}

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

body {
    background-color: var(--body-color);
    color: var(--text-color);
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    font-weight: var(--font-regular);
    transition: background-color 0.4s;
}

body.loaded {
    overflow-y: auto;
}

body.nav_active {overflow: hidden;}
::-webkit-scrollbar{
    width: var(--scrollbar-w);
}
::-webkit-scrollbar-track{
    background: transparent;
}
::-webkit-scrollbar-thumb{
    background-color: rgba(0,0,0,0.2);
    border-radius: 4px;
}

input,
button {
    border: none;
}

h1, h2, h3, h4 {
    font-family: var(--title-font);
    color: var(--title-color);
    font-weight: var(--font-medium);
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
}

p{
    font-family: var(--body-font);
}

p, span, li{
  opacity: 1;
}

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

input:focus,
textarea:focus,
select:focus,
button:focus{
  outline: none;
}

input:focus-visible,
textarea:focus-visible,
select:focus-visible,
button:focus-visible{
  border-color: var(--primary-color);
  box-shadow: var(--focus-ring);
  background: var(--white);
}

/* Reusable CSS*/
 .container {
    width: 100%;
    max-width: var(--container-width);
    padding: 0 var(--space-6);
    margin-inline: auto;

}

.grid {
    display: grid;
    gap: var(--space-6);
}

.section{
    padding-block: var(--space-9) var(--space-4);
}

.section_title{
    text-align: center;
    font-size: var(--h1-font-size);
    font-family: var(--title-font);
    margin-bottom: var(--space-6);
}

.main{
    overflow: hidden; 
}

.button{
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    padding:  var(--space-2) var(--space-6);
    border-radius: 15px;
    text-decoration: none;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: var(--transition1);
    margin-top: var(--space-7);
    line-height: 2;
}

.button:hover {
    background-color: var(--secondary-color);
}

.section_spacing {
  padding: var(--space-13) 0;
}

.button:disabled,
.button[disabled]{
  opacity: 0.6;
  cursor: not-allowed;
}

/*Preloader*/

.preload {
    position: fixed;
    inset: 0;
    background-color: var(--light-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: transform 0.9s cubic-bezier(0.4, 0, 0.2, 1);
}

.preload.loaded {
    transform: translateY(-100%);
}

.loader {
    width: 114px;
    height: 114px;
    border: 3px solid var(--neutral-300);
    border-top-color: var(--primary-color);
    border-radius: var(--radius-round);
    animation: spin 1s linear infinite;
    margin-bottom: var(--space-4);
}

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

.preload .text {
    font-family: var(--title-font);
    font-size: var(--h2-font-size);
    font-weight: var(--font-semi-bold);
    color: var(--title-color);
    animation: fadeText 2s ease-in-out infinite;
}

@keyframes fadeText {
    0% {
        opacity: 0;
    }
    50% {
        opacity: 1;
    }

    100% {
        opacity: 0;
    }
}

/* Header and Navigation */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--container-color);
  backdrop-filter: blur(10px);
  z-index: 100;
  padding-block: 10px;
  transition: var(--transition1);
}

.header.active{
    box-shadow: var(--basic_shadow);
}

.nav_container {
  padding: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav_logo {
  display: flex;
  align-items: center;
  column-gap: var(--space-2);
  font-family: var(--title-font);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--title-color);
}

.logo {
  width: var(--logo-w-sm);
}

.logo_text {
  white-space: nowrap;
}

.nav_menu{
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background-color: var(--container-color);
    padding-top: calc(var(--header-height) + 1.25rem);
    z-index: 1200;
    display: flex;
    justify-content: flex-start;
    transition: left 0.3s ease;
}

.nav_menu.active {
    left: 0;
}

.menu_list {
  display: flex;
  flex-direction: column;
  width: 100%;
  justify-content: flex-start;
  padding: 0 var(--space-4) var(--space-5);
  gap: 0.35rem;
}

.nav_item{
    width: 100%;
}

.menu_link{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-4);
  border-radius: 14px;
  font-weight: 600;
  letter-spacing: 0.2px;
  color: var(--title-color);
  background: transparent;
  transition: background 0.2s ease, transform 0.2s ease, color 0.2s ease;
  position: relative;
}

.menu_link::before{
  content: "";
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0;
  height: 1px;
  background: rgba(0,0,0,0.06);
  display: block;
}

.menu_link:hover{
  color: var(--primary-color);
}

.menu_link.active{
  color: var(--primary-color);
}

.nav_icons{
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--text-color);
  transition: color 0.3s, transform 0.3s;
}

.nav_icons i {
  position: relative;
}

.nav_icons i:hover{
  color: var(--primary-color);
}


/* Hamburger Menu */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 1300;
}

.hamburger .br {
  width: 26px;
  height: 3px;
  background-color: var(--title-color);
  transition: 0.3s ease;
}

.hamburger.active .br:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}
.hamburger.active .br:nth-child(2) {
  opacity: 0;
}
.hamburger.active .br:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.mobile_overlay {
  position: fixed;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 1100;
  background: var(--overlay-soft);
}

.mobile_overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* Login Modal */
.login {
    inset: 0;
   position: fixed;
   z-index: 1000; 
   pointer-events: none;
}

.login_overlay {
  position: absolute;
  inset: 0;
  background: var(--overlay-dim);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.login_modal{
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -120%);
  width: min(92%, 420px);
  background-color: var(--container-color);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  transition: transform 0.5s var(--cubic-out);
}

.login.active {
  pointer-events: auto; 
}

.login.active .login_overlay {
  opacity: 0.7;
  background-color: #fff1f1;
}

.login.active .login_modal {
   transform: translate(-50%, 50%);
}

.login_close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-color);
  transition: color 0.3s;
}

.login_close:hover {
   color: var(--primary-color);
}

.login_title {
  font-size: var(--h2-font-size);
  text-align: center;
  margin-bottom: var(--space-6);
}

.login_form {
   display: flex;
   flex-direction: column;
   gap: 1rem;
}

.form_group {
   display: flex;
   flex-direction: column;
}

.form_group label {
   font-size: var(--small-font-size);
   margin-bottom: 0.5rem;
   color: var(--title-color);
}

.form_group input {
   padding: 0.75rem;
   border: 1px solid var(--border-color);
   border-radius: 4px;
   font-size: var(--normal-font-size);
   transition: border-color 0.3s;
}

.form_group input:focus {
   border-color: var(--primary-color);
   box-shadow: 0 0 0 3px rgba(23, 190, 32, 0.2);
   outline: none;
}

.login_btn {
   background-color: var(--primary-color);
  color: var(--white);
   padding: 0.75rem;
   border-radius: 4px;
   font-weight: var(--font-medium);
   cursor: pointer;
   transition: background-color 0.3s;
}

.login_btn:hover {
   background-color: var(--secondary-color);
}

.login_footer {
   text-align: center;
   font-size: var(--small-font-size);
   margin-top: 1rem;
}

.login_footer a {
   color: var(--primary-color);
   text-decoration: underline;
}

/*------------HOME PAGE------------------------*/
.home_section {
    padding-top: calc(var(--header-height) + 2rem);
    background-color:var(--accent-color);
    min-height: calc(100vh - var(--header-height)); 
    display: flex;
    align-items: center;
}

.home_container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;   
    margin-inline: auto;   
    padding: 2rem 0.5rem;
}

.home_text {
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center; 
    align-items: center;
    text-align: center;
}

.hometitle {
    font-family: var(--title-font);
    font-size: var(--max-font-size);
    margin-bottom: 1rem;
    color: var(--title-color);
    line-height: 1.05;
}

.quote-swiper {
    width: 100%;
    min-height: 120px; 
}

.quote-swiper .swiper-slide{
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.quote_text {
    font-size: 1rem;
    font-style: italic;
    line-height: 1.5;
}

.quote_author {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--title-color);
}

.book_swiper {
  margin: initial;
}

.home_images {
  display: flex;
  justify-content: center;
  width: 100%;
}

.article,
.home_img {
  width: 150px;
  transition: transform 0.4s;
}
.article {
  transform: scale(0.8);
}

.swiper-slide-active,
.swiper-slide-duplicate-active {
  transform: scale(1);
}

/*Author of the Day*/

.author_of_day {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 60px 0; 
  background: var(--body-color); 
}
.author_card {
  width: 100%;  
  background: var(--white);
  border-radius: var(--radius-3xl); 
  padding: 20px; 
  box-shadow: var(--shadow); 
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease; 
  border: 1px solid rgba(0, 0, 0, 0.05); 
}
.author_header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
  font-weight: 800;
  font-size: 1.2rem; 
  color: #222; 
  text-transform: uppercase; 
  letter-spacing: 0.5px; 
}

.author_header .star {
  background: var(--gold-bg);
  color: var(--gold);
  border-radius: var(--radius-round);
  padding: 8px 10px;
  font-size: 1rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

.author_content {
  display: flex;
  align-items: center; 
  gap: 20px; 
  flex-wrap: wrap; 
  background: #cbe8c3; 
  padding: 15px; 
  border-radius: var(--radius-lg); 
}

.author_avatar {
  width: 80px; 
  height: 80px;
  border-radius: var(--radius-round);
  overflow: hidden;
  border: 3px solid #e6e7e9;
  transition: transform 0.3s ease; 
  flex-shrink: 0; 
}

.author_avatar:hover {
  transform: scale(1.05); 
}

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

.author_text {
  flex: 1; 
  display: flex;
  flex-direction: column; 
}

.author_text h3 {
  margin: 0 0 8px;
  font-size: 1.1rem; 
  font-weight: 600; 
  color: #111; 
  letter-spacing: -0.2px; 
}

.author_text p {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.7; 
  color: #444; 
}

/*Offerings*/
.welcome{
    padding: 3rem 0;
    background-color: var(--accent-color);
}

.int_content{
    width: 100%;
    margin: 0 auto;
}

.int_text p{
    text-align: center;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 1rem;
}

.offerings{
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 20px;
}

.offer_item{
    background-color: var(--light-color);
    padding: 15px;
    border-radius: 8px;
    box-shadow: var(--basic_shadow);
    transition: var(--transition1);
}

.offer_item:hover{
    transform: translateY(-3px);
}

.offer_item h3{
  font-family: var(--title-font);
  font-size: var(--h2-font-size);   
  font-weight: var(--font-semi-bold);
  line-height: 1.25;
  margin-bottom: 0.65rem;
  text-align: center;
}

.offer_item p{
  font-family: var(--body-font);
  font-size: 0.95rem;             
  line-height: 1.6;
  color: var(--text-light);
  text-align: center;
  margin: 0;
}

/*Featured Books*/
.featured_container {
  padding: 1rem;
}

.featured_card{
  position: relative;
  height:300px;
  text-align: center;
  background-color: var(--container-color);
  border: 1px solid var(--border-color);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  padding: 1.5rem;
  overflow: hidden;
}

.featured_container .section_title{
  margin-top: 1rem;
}

.featured_card:hover {
  box-shadow: var(--deep_shadow);
}


.featured_image{
  width: 120px;
  margin: 0 auto 0.75rem;
  transition: transform 0.3s ease;
}

.featured_card:hover .featured_image {
  transform: scale(1.04);
}

.f_title{
  font-size: var(--h2-font-size);
  margin-top: 0.5rem;
}

.featured_price{
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  column-gap: 0.75rem;
}

.discount{
  color: var(--title-color);
}

.price{
  font-size: 0.75rem;
  color: var(--text-light);
  opacity: 1;
  text-decoration: line-through;
}


.f_actions{
  display: inline-flex;
  flex-direction: column;
  position: absolute;
  top: 1rem;
  right: -3rem;
  gap: 0.5rem;
  transition: right 0.3s ease;
}

.f_actions button{
  background: none;
  color: var(--primary-color);
  font-size: 1.25rem;
  opacity: 1;
  transition: color 0.4s;
  cursor: pointer;
}

.swiper-slide-active .featured_card {
  border: 1px solid var(--primary-color);
  border-color: var(--primary-color);
}

.featured_card:hover .f_actions{
  right: 1rem
}

.swiper-button-prev::after,
.swiper-button-next::after{
  content: "";
}

.swiper-button-prev,
.swiper-button-next{
  width: initial;
  height: initial;
  padding: 0.5rem;
  font-size: 1.5rem;
  color: var(--primary-color);
  transition: border 0.4s, background-color 0.4s;
}

.swiper-button-prev i,
.swiper-button-next i {
  font-size: 1.5rem;       
  color: var(--primary-color);
}

.swiper-button-prev:hover i,
.swiper-button-next:hover i {
  color: var(--secondary-color);
}

/*Footer*/
.footer{
  background-color: #173d32;
  color: white;
  padding-top: 3rem;
  font-family: var(--body-font);
  text-align: center;
}

.footer_container{
  padding: 0 1rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
  justify-content: center;
}

.footer_column h3{
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  font-family: var(--title-font);
}

.footer_column p{
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.footer_column ul{
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer_column ul li {
  font-size: 0.9rem;
}

.footer_column ul li a{
  color: var(--white);
}

.footer_column ul li a:hover{
  color: var(--warning-btn);
}

.newsletter_form{
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.newsletter_form input{
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 2px solid var(--white);
  font-size: 0.95rem;
}

.newsletter_form button{
  background-color: var(--warning-btn);
  color: #1f2937;
  padding: 0.75rem;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s;
}

.newsletter_form button:hover {
  background-color: var(--warning-btn-hover);
}

.contact_list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.contact_list i {
  color: var(--warning-btn);
  font-size: 1.2rem;
}

.socials {
  padding-top: 1rem;
  display: flex;
  gap: 1rem;
  font-size: 1.3rem;
}

.socials i {
  cursor: pointer;
  transition: color 0.3s;
}

.socials i:hover {
  color: var(--warning-btn);
}

.copyright {
  border-top: 1px solid rgba(8, 8, 8, 0.15);
  background-color: #1b3f31;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.copyright p {
  font-size: 0.8rem;
}

.copyright span {
  color: var(--warning-btn);
  font-weight: 600;
}

.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}

/*------------EXPLORER PAGE------------------------*/

.explorer_hero{
  padding: calc(var(--header-height) + 4.5rem) 1.5rem 3.5rem;
  background: linear-gradient(
    180deg,
    rgba(167,221,167,1) 0%,
    rgba(243,244,246,1) 85%
  );
  text-align: center;
}

.hero_content{
  max-width: 1100px;
  margin: 0 auto;
}

.hero_title{
  font-size: var(--max-font-size);
  letter-spacing: 0.5px;
}

.hero_text{
  max-width: 60ch;
  margin: 0.75rem auto 2.5rem;
  font-size: 1.05rem;
  line-height: 1.7;
  color: #1f2937;
  opacity: 1;
}

.hero_features{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.feature_item{
  background-color: var(--background-light);
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
  transition: var(--transition);
  border: 2px solid transparent;
}

.feature_item:hover{
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: var(--primary-color);
}

.feature_item h3{
  color: var(--primary-dark);
  margin-bottom: 1rem;
  font-size: var(--h1-font-size);
}

.feature_item p{
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* Books section */
.explorer_books{
  padding: 3.5rem 1.5rem 4rem;
  background: var(--background-light);
}

.explorer_books .section_title{
  text-align: center;
  margin-bottom: 2rem;
}

/* Filter */
.filter{
  max-width: 1100px;
  margin: 0 auto 3rem;
  background-color: var(--white);
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.filter_form{
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

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

.filter_group label{
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.filter_group select,
.filter_group input{
  width: 100%;
  padding: 0.8rem;
  border: 1px solid var(--gray);
  border-radius: 5px;
  font-family: var(--body-font); 
}

.filter_group select:focus-visible,
.filter_group input:focus-visible{
  border-color: var(--primary-color);
  box-shadow: var(--focus-ring);
  background: var(--white);
}

.books_container{
  max-width: 1100px;
  margin: 0 auto;
  padding: 0;
  min-height: auto;
  background: transparent;

  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1.5rem;
}


.book-card{
  background-color: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  cursor: pointer;

  display: flex;
  flex-direction: column;
}

.book-card:hover{
  transform: translateY(-5px);
  box-shadow: 0 10px 15px rgba(0,0,0,0.1);
}


.book-image{
  width: 100%;
  height: 180px;
  display: block;
  object-fit: contain;
  background: var(--neutral-200);
  padding: 10px;
  border-bottom: 1px solid var(--gray);
}

.book-content{
  padding: 1rem 1rem 1.2rem;
}

.book-title{
  font-size: 1.05rem;
  line-height: 1.3;
  margin-bottom: 0.35rem;
}

.book-description{
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.4;

  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Modal */
.modal{
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0,0,0,0.7);
  z-index: 2000;
  overflow-y: auto;
  backdrop-filter: blur(6px);
  padding: 1rem 0;
}

.modal_content{
  background-color: var(--white);
  width: min(92%, 700px);      
  margin: 1rem auto;
  padding-top: 3.25rem;
  border-radius: 16px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  max-height: 92vh;
  overflow-y: auto;
  animation: modalFadeIn 0.3s ease;
}

.modal_grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: start;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 2px solid #f0f0f0;
}

.modal_left{
  position: static;
}

.modal_img{
  width: 100%;
  height: auto;
  max-height: 260px;
  object-fit: contain;
  background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.modal_right{
  min-width: 0;
}

.modal_title{
  font-size: 1.35rem;
  line-height: 1.2;
  margin-right: 2.75rem;     
  overflow-wrap: anywhere;
  word-break: break-word;
}

.modal_author{
  margin-bottom: 0.6rem;
  color: var(--primary-color);
  font-size: 0.95rem;
  font-weight: 500;
  overflow-wrap: anywhere;
  margin-right: 2.75rem; 
}

.modal_summary{
  line-height: 1.75;
  color: #374151;
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
  padding: 1rem;
  background: #f9fafb;
  border-left: 4px solid var(--primary-color);
  border-radius: 10px;
}

.about_list{
  margin-left: 1.1rem;
  margin-bottom: 0.5rem;
}

.about_list li{
  margin-bottom: 0.75rem;
  color: #4b5563;
  line-height: 1.6;
}

.modal_rating{
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding: 1.5rem;
  background: #f9fafb;
  border-radius: 12px;
}

.modal_rating > div:first-child,
.modal_rating > span:not(.rating_count) {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.modal_rating h4 {
  margin-top: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--title-color);
}

.stars{
  display: inline-flex;
  gap: 6px;
  font-size: 1.3rem;
  line-height: 1;
  color: var(--primary-color);
}

.modal_rating .star{
  background: none;
  padding: 0;
  box-shadow: none;
  animation: none;
  border-radius: 0;
  opacity: 0.2;
}

.modal_rating .star.filled{
  opacity: 1;
}

.rating_text{
  font-weight: 700;
  color: var(--primary-color);
  font-size: 1.1rem;
}

.rating_count{
  color: var(--text-light);
  font-size: 0.95rem;
  font-weight: 500;
}

.modal_content h4 {
  font-size: 1.05rem;
  line-height: 1.25;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--title-color);
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: 0.5rem;
  display: inline-block;
  overflow-wrap: anywhere;
}

.details_table,
.reviews_table{
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);

  display: block;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.details_table th,
.details_table td,
.reviews_table th,
.reviews_table td{
  padding: 0.9rem 1rem;
  text-align: left;
  border: 1px solid #e5e7eb;
  white-space: nowrap;
}

.details_table th,
.reviews_table th{
  background-color: var(--primary-color);
  color: white;
  font-weight: 700;
  font-size: 0.9rem;
}

.details_table td,
.reviews_table td{
  color: #4b5563;
  background-color: #fafbfc;
}



@keyframes modalFadeIn{
  from { opacity: 0; transform: translateY(-50px); }
  to   { opacity: 1; transform: translateY(0); }
}

.close_modal_base{
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  background: #f3f4f6;
  border: none;
  border-radius: 999px;
  width: 34px;
  height: 34px;
  display: grid;
  z-index: 5;
  place-items: center;
  font-size: 1.6rem;
  color: var(--title-color);
  opacity: 0.85;
  cursor: pointer;
  transition: all 0.25s ease;
}

.close_modal_base:hover{
  background-color: var(--primary-color);
  color: white;
  opacity: 1;
  transform: rotate(90deg);
}

.close_modal_base:focus-visible{
  outline: 2px solid var(--primary-dark);
  outline-offset: 2px;
}

.close_modal{
  border-radius: 50%;
}

@media (min-width: 769px){
  .modal_content{
    width: min(92%, 1100px);
    padding: 2.5rem;
    border-radius: 20px;
  }

  .modal_grid{
    grid-template-columns: 300px 1fr;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
  }

  .modal_left{
    position: sticky;
    top: 1rem;
  }

  .modal_img{
    max-height: none;
    height: 380px;
    border-radius: 16px;
  }

  .modal_title{
    font-size: 2.2rem;
  }

  .details_table,
  .reviews_table{
    display: table;
    overflow: visible;
  }

  .details_table th,
  .details_table td,
  .reviews_table th,
  .reviews_table td{
    white-space: normal;
  }

  .close_modal_base{
    top: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    font-size: 1.8rem;
  }
}

@media (max-width: 360px){
  .modal_content{ padding-top: 3.5rem; }
  .modal_title{ font-size: 1.2rem; }
  .modal_author{ font-size: 0.9rem; }
}

/*------------RECOMMENDER PAGE------------------------*/
.recommender_section{
  background: var(--background-light);
  padding: 3.5rem 1.5rem 4rem;
}

.recommender_container{
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
}

.recommender_filters,
.recommendation_card,
.reading_list_card{
  width: 100%;
}

/* Filters row */
.recommender_filters{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  background: var(--white);
  padding: 1.1rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.recommender_filters .filter_group label{
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--title-color);
}

.recommender_filters select{
  width: 100%;
  padding: 0.85rem;
  border: 1px solid var(--gray);
  border-radius: 8px;
  font-family: var(--body-font);
  background: var(--white);
}

.recommendation_card{
  background: var(--white);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: center;
}

.rec_left{
  display: grid;
  place-items: center;
  background: #f3f4f6;
  border-radius: 16px;
  padding: 1rem;
}

.rec_cover{
  width: 160px;
  height: 220px;
  object-fit: contain;
  display: block;
}

.rec_right{
  display: grid;
  gap: 0.6rem;
}

.rec_title{
  font-size: 1.6rem;
  color: var(--title-color);
}

.rec_meta{
  color: var(--text-light);
  font-size: 0.95rem;
}

.rec_desc{
  color: var(--text-color);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* Buttons */
.rec_actions{
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.rec_actions .button{
  width: 100%;
  justify-content: center;
  margin-top: 0;
}

.rec_save[disabled]{
  opacity: 0.55;
  cursor: not-allowed;
}

.rec_hint{
  min-height: 1.1rem;
  font-size: 0.9rem;
  color: var(--text-light);
}

.reading_list_card{
  background: var(--white);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

.reading_list_title{
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  color: var(--title-color);
}

.reading_list_empty{
  color: var(--text-light);
  font-size: 0.95rem;
}

.reading_list{
  margin-top: 1rem;
  display: grid;
  gap: 0.75rem;
}

.reading_item{
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 0.75rem;
  align-items: center;
}

.reading_item img{
  width: 54px;
  height: 70px;
  object-fit: contain;
  background: #f3f4f6;
  border-radius: 10px;
  padding: 6px;
}

.reading_item_title{
  font-weight: 600;
  color: var(--title-color);
  font-size: 0.95rem;
  line-height: 1.2;
}

.reading_item_meta{
  color: var(--text-light);
  font-size: 0.85rem;
  margin-top: 0.15rem;
}

.remove_btn{
  background: transparent;
  border: 1px solid var(--gray);
  border-radius: 10px;
  padding: 0.5rem 0.65rem;
  cursor: pointer;
  transition: var(--transition1);
}

.remove_btn:hover{
  border-color: var(--primary-color);
  transform: translateY(-1px);
}

@keyframes cardPop {
  0% { transform: scale(0.98); opacity: 0.7; }
  60% { transform: scale(1.02); opacity: 1; }
  100% { transform: scale(1); }
}

@keyframes diceWiggle {
  0% { transform: rotate(0deg); }
  30% { transform: rotate(-6deg); }
  60% { transform: rotate(6deg); }
  100% { transform: rotate(0deg); }
}

.animate_card{
  animation: cardPop 0.35s ease;
}

.animate_btn{
  animation: diceWiggle 0.35s ease;
}

@media (min-width: 769px){
  .recommender_filters{
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    padding: 1.5rem;
  }

  .recommendation_card{
    grid-template-columns: 260px 1fr;
    padding: 2rem;
  }

  .rec_cover{
    width: 190px;
    height: 260px;
  }

    .rec_actions{
    flex-direction: row;
    flex-wrap: wrap;
  }
  .rec_actions .button{
    width: auto;
  }
}


/*------------FLOW PAGE------------------------*/

.sound_hero{
  position: relative;
  padding: calc(var(--header-height) + 3.5rem) 1.25rem 4rem;
  min-height: 92vh;
  overflow: hidden;
}

.sound_bg_video{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  transform: scale(1.03);
}

.sound_overlay{
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(0,0,0,0.42) 0%,
    rgba(0,0,0,0.25) 55%,
    rgba(0,0,0,0.50) 100%
  );
}

.sound_container{
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  place-items: center;
}

.sound_card{
  width: min(720px, 94vw);
  border-radius: 18px;
  padding: 1.5rem 1.25rem;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(14px);
  box-shadow: 0 16px 50px rgba(0,0,0,0.22);
  text-align: center;
}

.sound_subtitle{
  color: rgba(255,255,255,0.9);
  font-weight: 600;
  letter-spacing: 0.3px;
}

.sound_title{
  color: #fff;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  margin: 0.35rem 0 1.25rem;
}

.sound_buttons{
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
}

.sound_btn{
  padding: 0.75rem 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.30);
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.95);
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.sound_btn:hover{
  transform: translateY(-1px);
  border-color: rgba(255,255,255,0.55);
}

.sound_btn.active{
  background: rgba(167, 221, 167, 0.35);
  border-color: rgba(167, 221, 167, 0.75);
}

.sound_now{
  margin-top: 1.1rem;
  color: rgba(255,255,255,0.95);
  font-weight: 600;
  min-height: 1.2rem;
}

.sound_row{
  margin-top: 1rem;
  display: grid;
  gap: 0.5rem;
  justify-items: center;
}

.volume_label{
  color: rgba(255,255,255,0.85);
  font-weight: 600;
}

.volume_range{
  width: min(360px, 90%);
  --glass-green: rgba(72, 214, 170, 0.9);
  --glass-green-dark: rgba(50, 180, 140, 0.95);
  --glass-green-light: rgba(72, 214, 170, 0.35);
  --fill: 60%;
  accent-color: var(--glass-green);
  appearance: none;
  background: transparent;
}

.volume_range::-webkit-slider-runnable-track{
  height: 6px;
  background: linear-gradient(
    to right,
    var(--glass-green-dark) 0%,
    var(--glass-green-dark) var(--fill),
    var(--glass-green-light) var(--fill),
    var(--glass-green-light) 100%
  );
  border-radius: 999px;
}

.volume_range::-webkit-slider-thumb{
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-round);
  background: var(--glass-green);
  border: 2px solid rgba(255,255,255,0.85);
  box-shadow: 0 0 12px rgba(72, 214, 170, 0.5);
  margin-top: -6px;
}

.volume_range::-moz-range-track{
  height: 6px;
  background: var(--glass-green-light);
  border-radius: var(--radius-pill);
}

.volume_range::-moz-range-progress{
  height: 6px;
  background: var(--glass-green-dark);
  border-radius: 999px;
}

.volume_range::-moz-range-thumb{
  width: 18px;
  height: 18px;
  border-radius: var(--radius-round);
  background: var(--glass-green);
  border: 2px solid rgba(255,255,255,0.85);
  box-shadow: 0 0 12px rgba(72, 214, 170, 0.5);
}

.sound_toggle_row{
  margin-top: 1.1rem;
  display: grid;
  gap: 0.75rem;
  justify-items: center;
}

.sound_toggle_btn{
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;

  padding: 0.75rem 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.30);
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.95);
  font-weight: 800;
  cursor: pointer;

  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.sound_toggle_btn:hover{
  transform: translateY(-1px);
  border-color: rgba(255,255,255,0.55);
}

.sound_toggle_btn.on{
  background: rgba(167, 221, 167, 0.35);
  border-color: rgba(167, 221, 167, 0.75);
}

.toggle_dot{
  width: 10px;
  height: 10px;
  border-radius: var(--radius-round);
  background: rgba(255,255,255,0.75);
}

.sound_toggle_btn.on .toggle_dot{
  background: rgba(255,255,255,0.95);
}

/*completed books*/
.completed_section{
  background: var(--background-light);
  padding: 3.5rem 0 4.5rem;
}

.completed_hint{
  text-align: center;
  max-width: 60ch;
  margin: 0.75rem auto 1.5rem;
  color: var(--text-light);
  line-height: 1.7;
}

.completed_card{
  max-width: 900px;
  margin: 0 auto;
  background: var(--white);
  box-shadow: var(--shadow);
  border-radius: 18px;
  padding: 1.25rem;
  border: 1px solid rgba(0,0,0,0.06);
}

.completed_header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.clear_btn{
  background: transparent;
  color: var(--text-light);
  cursor: pointer;
  transition: color 0.2s ease;
}

.clear_btn:hover{
  color: var(--primary-color);
}

.completed_stats{
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.completed_badge{
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  background: rgba(0,0,0,0.05);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--title-color);
}

.completed_search_row{
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1rem;
  min-height: 52px;
  border: 1px solid var(--gray);
  border-radius: 14px;
  background: #fafafa;
  margin-bottom: 1rem;
}

.completed_search_row i{
  font-size: 1.05rem;
  color: var(--text-light);
}

.completed_search{
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--body-font);
}

.completed_form{
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 1rem;
}

.book_select{
  width: 100%;
  position: relative;
}

.book_select_btn{
  width: 100%;
  height: 48px;                
  padding: 0 0.95rem;
  border: 1px solid var(--gray);
  border-radius: 14px;
  background: var(--white);
  font-family: var(--body-font);
  cursor: pointer;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.book_select_btn:hover{
  border-color: var(--primary-color);
}

.book_select_left{
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}

.book_select_thumb{
  width: 36px;
  height: 36px;
  object-fit: contain;
  background: #f3f4f6;
  border-radius: 10px;
  padding: 5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.book_select_thumb img{
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.book_select_text{
  font-weight: 600;
  color: var(--title-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.book_select_chev{
  font-size: 1.1rem;
  color: var(--text-light);
  flex-shrink: 0;
}

.book_select_menu{
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: 100%;
  background: var(--white);
  border: 1px solid var(--gray);
  border-radius: 14px;
  box-shadow: var(--shadow);
  overflow: hidden;
  z-index: 50;
  max-height: 280px;
  overflow-y: auto;
  display: none; 
}

.book_select_search_row{
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1rem;
  min-height: 52px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
  background: var(--white);
}

.book_select_search_row i{
  font-size: 1.05rem;
  color: var(--text-light);
}

.book_select_search{
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--body-font);
}

.book_select.open .book_select_menu{
  display: block;
}

.book_select_item{
  width: 100%;
  padding: 0.75rem 0.9rem;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;

  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.book_select_item_thumb{
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #f3f4f6;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

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

.book_select_item_meta{
  color: var(--text-light);
  font-size: 0.85rem;
  margin-top: 0.15rem;
}

.book_select_item:hover{
  background: #f3f4f6;
}

.book_select_item_title{
  font-weight: 600;
  color: var(--title-color);
  line-height: 1.2;
}

.completed_form .button{
  margin-top: 0;       
  height: 48px;
  padding: 0 1.25rem;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.completed_input{
  padding: 0.95rem 0.95rem;
  border: 1px solid var(--gray);
  border-radius: 14px;
  font-family: var(--body-font);
  background: var(--white);
}

.completed_list{
  display: grid;
  gap: 0.75rem;
}

.completed_item{
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.95rem;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, var(--white) 0%, #fbfbfb 100%);
}

.completed_item_title{
  font-weight: 800;
  color: var(--title-color);
}

.completed_item_meta{
  color: var(--text-light);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

.completed_empty{
  margin-top: 1rem;
  text-align: center;
  color: var(--text-light);
}

@media (max-width: 520px){
  .completed_form{
    grid-template-columns: 1fr;
  }
  .completed_form .button{
    width: 100%;
  }
  .clear_btn{
    width: 100%;
  }
}


/*------------TRACKER PAGE------------------------*/
.tracker_section{
  padding: calc(var(--header-height) + 3.5rem) 1.5rem 4.5rem;
  background: linear-gradient(180deg, #f8fafc 0%, var(--background-light) 100%);
}

.tracker_layout{
  display: grid;
  gap: 2.25rem;
  max-width: 1100px;
  margin: 0 auto;
  align-items: start;
}

.tracker_card{
  background: var(--white);
  border-radius: 18px;
  box-shadow: var(--shadow), 0 10px 24px rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(0,0,0,0.06);
  padding: 1.6rem;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

.tracker_card:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow), 0 16px 32px rgba(15, 23, 42, 0.12);
  border-color: rgba(0,0,0,0.08);
}

.tracker_title{
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
  color: var(--title-color);
}

.tracker_subtitle{
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 1.35rem;
}

.tracker_form{
  display: grid;
  gap: 1.15rem;
}

.tracker_grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}

.tracker_full{
  grid-column: 1 / -1;
}

.tracker_group,
.tracker_field{
  display: grid;
  gap: 0.45rem;
}

.tracker_group label,
.tracker_field label{
  display: block;
  font-weight: 600;
  color: var(--title-color);
}

.tracker_group input,
.tracker_field input{
  width: 100%;
  padding: 0.9rem 0.95rem;
  border: 1px solid var(--gray);
  border-radius: var(--radius-lg);
  font-family: var(--body-font);
  background: var(--neutral-100);
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.tracker_group input:focus,
.tracker_field input:focus{
  border-color: var(--primary-color);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(23, 190, 32, 0.15);
}

.tracker_hint{
  display: block;
  margin-top: 0.4rem;
  color: var(--text-light);
  font-size: 0.85rem;
}

.tracker_actions{
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  justify-content: flex-start;
  margin-top: 0.25rem;
}

.tracker_actions #saveBtn{
  margin-left: auto;
}

.tracker_actions .button{
  height: 46px;
  padding: 0 1.2rem;
  border-radius: 14px;
  font-weight: 800;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.12);
  transition: transform 200ms ease, box-shadow 200ms ease, filter 200ms ease;
  margin-top: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.tracker_actions .button:hover{
  transform: translateY(-1px);
  box-shadow: 0 12px 22px rgba(15, 23, 42, 0.16);
}

.tracker_btn{
  height: 46px;
  padding: 0 1.1rem;
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,0.12);
  background: var(--white);
  color: var(--title-color);
  font-weight: 700;
  cursor: pointer;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease, background 200ms ease, color 200ms ease;
}

.tracker_btn:hover{
  transform: translateY(-1px);
  border-color: var(--primary-color);
  box-shadow: 0 8px 16px rgba(15, 23, 42, 0.1);
}

.tracker_btn.secondary{
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: var(--white);
  box-shadow: 0 8px 16px rgba(23, 190, 32, 0.22);
}

.tracker_btn.secondary:hover{
  filter: brightness(0.98);
}

.tracker_btn.danger{
  background: var(--white);
  border-color: rgba(0,0,0,0.14);
  color: var(--text-light);
}

.tracker_btn.danger:hover{
  border-color: rgba(239,68,68,0.45);
  color: #ef4444;
}

.tracker_error{
  min-height: 1.2rem;
  color: #ef4444;
  font-weight: 600;
}

/* Results */
.tracker_stat_row{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.tracker_stat{
  padding: 1rem;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.7);
}

.tracker_stat_label{
  color: var(--text-light);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

.tracker_stat_value{
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--title-color);
}

.tracker_stat_value .unit{
  font-size: 1rem;
  color: var(--text-light);
  margin-left: 0.2rem;
}

.tracker_progress_bar{
  width: 100%;
  height: 12px;
  border-radius: 999px;
  background: #e7eaf0;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.06);
}

.tracker_progress_fill{
  width: 0%;
  height: 100%;
  background: var(--primary-color);
  border-radius: 999px;
  transition: width 0.45s ease;
  box-shadow: 0 6px 12px rgba(23, 190, 32, 0.25);
}

.tracker_progress_meta{
  margin-top: 0.6rem;
  color: var(--text-light);
  font-weight: 600;
}

.tracker_finish_box{
  margin-top: 1.5rem;
  padding: 1.25rem;
  border-radius: 16px;
  background: #f8fafc;
  border: 1px solid rgba(0,0,0,0.06);
}

.tracker_box_title{
  font-size: 1.1rem;
  margin-bottom: 0.85rem;
  color: var(--title-color);
}

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

.tracker_finish_item{
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 14px;
  padding: 0.95rem;
}

.tracker_finish_label{
  color: var(--text-light);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

.tracker_finish_value{
  font-weight: 600;
  color: var(--title-color);
  font-size: 1.05rem;
}

.tracker_suggestions{
  margin-top: 1rem;
  padding-left: 1.2rem;
  color: var(--text-light);
  line-height: 1.7;
}

.tracker_saved_box{
  margin-top: 1.5rem;
  padding: 1.25rem;
  border-radius: 16px;
  background: #f8fafc;
  border: 1px solid rgba(0,0,0,0.06);
}

.tracker_saved_header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

.tracker_saved_list{
  display: grid;
  gap: 0.85rem;
}

.tracker_saved_item{
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  align-items: center;
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 14px;
  padding: 0.9rem;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

.tracker_saved_item:hover{
  transform: translateY(-1px);
  box-shadow: 0 12px 22px rgba(15, 23, 42, 0.08);
  border-color: rgba(0,0,0,0.1);
}

.tracker_saved_title{
  font-weight: 800;
  color: var(--title-color);
  line-height: 1.25;
}

.tracker_saved_meta{
  color: var(--text-light);
  font-size: 0.85rem;
  margin-top: 0.2rem;
}

.tracker_saved_actions{
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.tracker_icon_btn{
  height: 34px;
  padding: 0 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,0.12);
  background: #f9fafb;
  cursor: pointer;
  font-weight: 800;
  font-size: 0.8rem;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.tracker_icon_btn:hover{
  transform: translateY(-1px);
  border-color: var(--primary-color);
  background: var(--white);
}

.tracker_icon_btn.danger{
  border-color: rgba(239,68,68,0.35);
  color: #ef4444;
}

.tracker_empty{
  margin-top: 0.75rem;
  color: var(--text-light);
  text-align: center;
}

@media (max-width: 650px){
  .tracker_grid{
    grid-template-columns: 1fr;
  }
  .tracker_stat_row{
    grid-template-columns: 1fr;
  }
  .tracker_finish_grid{
    grid-template-columns: 1fr;
  }
  .tracker_actions{
    flex-direction: column;
    align-items: stretch;
  }
  .tracker_actions .button,
  .tracker_btn{
    width: 100%;
    justify-content: center;
  }
  .tracker_saved_item{
    grid-template-columns: 1fr;
  }
  .tracker_saved_actions{
    justify-content: flex-start;
  }
}

@media (min-width: 900px){
  .tracker_layout{
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

/*------------FEEDBACK PAGE------------------------*/
.feedback_section{
  padding: 2.5rem 1.5rem 4.5rem;
  background: var(--background-light);
}

.feedback_container{
  max-width: 1100px;
  margin: 0 auto;
}

.feedback_layout{
  display: grid;
  gap: 1.5rem;
  align-items: start;
}

.feedback_card{
  background: var(--white);
  border-radius: 18px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,0.06);
  padding: 1.6rem;
}

.feedback_card_title{
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--title-color);
  margin-bottom: 0.35rem;
}

.feedback_card_subtitle{
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.feedback_success{
  display: none;
  padding: 0.9rem 1rem;
  border-radius: 14px;
  border: 1px solid rgba(23,190,32,0.25);
  background: rgba(23,190,32,0.10);
  color: #14532d;
  font-weight: 700;
  margin-bottom: 1rem;
}

.feedback_form{
  display: grid;
  gap: 1rem;
}

.feedback_group{
  display: grid;
  gap: 0.45rem;
}

.feedback_group label{
  font-weight: 700;
  color: var(--title-color);
}

.req{
  color: #991b1b;
  opacity: 1;
  font-weight: 900;
}

.feedback_group input,
.feedback_group textarea{
  width: 100%;
  padding: 0.9rem 0.95rem;
  border: 1px solid var(--gray);
  border-radius: var(--radius-lg);
  font-family: var(--body-font);
  background: #f9fafb;
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.feedback_group input:focus,
.feedback_group textarea:focus{
  border-color: var(--primary-color);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(23, 190, 32, 0.15);
}

.feedback_group.invalid input,
.feedback_group.invalid textarea{
  border-color: rgba(239,68,68,0.8);
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.12);
  background: var(--white);
}

.feedback_error{
  min-height: 1.1rem;
  color: #e83131;
  font-weight: 600;
  font-size: 0.85rem;
}

.feedback_btn{
  background: var(--primary-dark);
  color: var(--white);
  padding: 0.9rem 1.25rem;
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.2s ease, filter 0.2s ease;
  width: fit-content;
}

.feedback_btn:hover{
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.feedback_hint{
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 0.25rem;
}

.feedback_card_info .feedback_address{
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.feedback_map{
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(0,0,0,0.08);
  background: #f3f4f6;
}

.feedback_map iframe{
  width: 100%;
  height: 320px;
  border: 0;
  display: block;
}

.feedback_contact_list{
  margin-top: 1rem;
  display: grid;
  gap: 0.6rem;
}

.feedback_contact_item{
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text-color);
  font-weight: 600;
}

.feedback_contact_item i{
  color: var(--primary-color);
  font-size: 1.1rem;
}

/* FAQ */
.faq_section{
  padding: 4.5rem 1.5rem 5.5rem;
  background: #f6f7f8;
}

.faq_container{
  max-width: 980px;
  margin: 0 auto;
}

.faq_header{
  text-align: center;
  margin-bottom: 2rem;
}

.faq_label{
  display: inline-block;
  font-weight: 800;
  color: var(--primary-dark);
  letter-spacing: 0.8px;
  font-size: 0.85rem;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.faq_title{
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--title-color);
}

/*faq options*/
.faq_list{
  display: grid;
  gap: 1rem;
}

.faq_item{
  background: var(--white);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--radius-xl);
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.06);
  overflow: hidden;
}

.faq_btn{
  width: 100%;
  padding: 1.1rem 1.25rem;
  background: var(--white);
  cursor: pointer;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;

  font-weight: 800;
  font-size: 1rem;
  color: var(--title-color);
}

.faq_btn:hover{
  background: #fbfbfb;
}

.faq_btn i{
  font-size: 1.2rem;
  color: var(--text-light);
  transition: transform 0.2s ease;
}

.faq_panel{
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.28s ease;
  border-top: 1px solid rgba(15, 23, 42, 0.06);
}

.faq_panel_inner{
  padding: 1rem 1.25rem 1.25rem;
  color: var(--text-color);
  line-height: 1.75;
  font-size: 0.95rem;
}

.faq_item.open{
  border-color: rgba(23, 190, 32, 0.35);
  box-shadow: 0 14px 34px rgba(23, 190, 32, 0.10);
}

.faq_item.open .faq_panel{
  max-height: 240px;
}

.faq_item.open .faq_btn i{
  transform: rotate(180deg);
}

@media (min-width: 900px){
  .faq_list{
    padding: 0 2rem;
  }
}

@media (min-width: 900px){
  .feedback_layout{
    grid-template-columns: 1.15fr 0.85fr;
  }
}

@media (min-width: 769px){
  .recommendation_card{
    grid-template-columns: 260px 1fr;
    padding: 2rem;
  }

  .rec_cover{
    width: 190px;
    height: 260px;
  }

  .recommender_filters{
    padding: 1.5rem;
  }
}

@media screen and (min-width: 481px) {
    .container {
        padding: 0 1.5rem;
    }

    .logo {
    width: 64px;
    }

    .hometitle {
        font-size: 2rem;
    }

    .quote_text {
        font-size: 1.1rem;
    }

    .quote_author {
        font-size: 0.9rem;
    }

    .article,
    .home_img {
        width: 180px;
    }

    .author_card {
        padding: 25px;
    }

    .author_header {
        font-size: 1.4rem;
    }

    .author_avatar {
        width: 100px;
        height: 100px;
    }

    .author_text h3 {
        font-size: 1.3rem;
    }

    .author_text p {
        font-size: 1rem;
    }

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

    .featured_image {
        width: 140px;
    }

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

    .copyright p {
        font-size: 0.9rem;
    }
}

@media screen and (min-width: 769px) {

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

  .nav_container{
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    padding: 1rem 1.5rem;
  }

  .nav_logo{
    justify-self: start;
    margin-left: 0.75rem;
    font-size: 1.35rem;
  }

  .logo{
    width: 80px;
  }

  .nav_menu{
    position: static;
    left: auto;
    top: auto;
    width: auto;
    height: auto;
    padding-top: 0;
    background: none;
    transition: none;

    justify-self: center;
    flex: 1;
    display: flex;
  }

  .menu_list{
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding: 0;
  }

  .nav_item{
    margin-left: 0;
  }

  .menu_link{
    display: inline-block;
    padding: 0;
    border-radius: 0;
    background: transparent;
    transform: none;
    font-weight: 500;

    font-size: var(--normal-font-size);
    color: var(--text-color);
    transition: color 0.3s;
    border-bottom: none;
    text-decoration: none;
  }

  .menu_link::before,
  .menu_link::after{
    content: none;
    display: none;
  }

  .menu_link:hover,
  .menu_link.active{
    color: var(--primary-color);
  }

  .hamburger{
    display: none;
  }

  .home_container{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    padding: 5rem 0.5rem;
  }

  .home_text{
    max-width: 520px;
    align-items: flex-start;
    text-align: left;
  }

  .hometitle{
    font-size: var(--max-font-size);
    line-height: 1.05;
  }

  .quote-swiper{
    max-width: 520px;
    min-height: 120px;
  }

  .quote_text{ font-size: 1.1rem; }
  .quote_author{ font-size: 0.9rem; }

  .home_images{
    width: 100%;
    min-width: 0;
    overflow: hidden;
  }

  .book_swiper .swiper-slide{
    display: flex;
    justify-content: center;
  }

  .book_swiper .home_img{
    width: 220px;
    transform: scale(0.85);
    opacity: 0.6;
    transition: transform 0.4s ease, opacity 0.4s ease;
  }

  .book_swiper .swiper-slide-active .home_img{
    transform: scale(1);
    opacity: 1;
  }

  .article,
  .home_img{
    width: 220px;
  }

  .author_card{
    max-width: 860px;
    padding: 32px 40px;
  }

  .author_header{
    gap: 14px;
    margin-bottom: 20px;
    font-size: 24px;
  }

  .star{
    padding: 10px 12px;
    font-size: 18px;
  }

  .author_content{
    gap: 32px;
    padding: 24px;
    border-radius: 16px;
  }

  .author_avatar{
    width: 120px;
    height: 120px;
  }

  .author_text h3{
    font-size: 20px;
    margin-bottom: 10px;
  }

  .author_text p{
    font-size: 16px;
    line-height: 1.7;
    max-width: 600px;
  }

  .int_content{
    max-width: 950px;
  }

  .int_text p{
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
  }

  .offerings{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 30px;
  }

  .offer_item{
    padding: 20px;
  }

  .featured_container{
    padding: 2rem;
  }

  .featured_card{
    height: 350px;
    padding: 2rem;
  }

  .featured_image{
    width: 150px;
  }

  .featured_card:hover .f_actions{
    right: 1.5rem;
  }

  .swiper-button-prev i,
  .swiper-button-next i{
    font-size: 2rem;
  }

  .footer_container{
    display: grid;
    max-width: var(--container-width);
    margin: 0 auto;
    text-align: left;
    align-items: start;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
  }

  .footer_column h3{ font-size: 1.25rem; }
  .footer_column p{
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
  }
  .footer_column ul li{ font-size: 0.95rem; }

  .copyright{
    justify-content: space-between;
  }

  .copyright p{
    font-size: 0.9rem;
  }
}

/* For larger screens */
@media (min-width: 769px){
  .modal{
    padding: 1rem 0;
  }

  .modal_content{
    width: min(92%, 1100px);
    max-height: 92vh;
  }

  .modal_grid{
    grid-template-columns: 300px minmax(0, 1fr);
  }

  .modal_img{
    max-width: 100%;
    max-height: none;
    height: 380px;
    margin-inline: 0;
  }

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

  .recommendation_card{
    grid-template-columns: 260px minmax(0, 1fr);
  }

  .rec_cover{
    width: 190px;
    height: 260px;
    max-height: none;
  }

  .rec_actions{
    flex-direction: row;
  }

  .rec_actions .button{
    width: auto;
    max-width: 100%;
  }
}

@media (max-width: 420px){
  .reading_item{
    grid-template-columns: 54px minmax(0, 1fr);
    row-gap: 0.5rem;
  }

  .remove_btn{
    grid-column: 2;
    justify-self: start;
  }
}