/* =====================================================
   Colégio Maria Gorete (CMG)
   Studies Page Stylesheet
===================================================== */

/* =====================================================
   CSS VARIABLES
===================================================== */

:root {

    --primary: #4d7c59;
    --primary-dark: #355e3b;
    --primary-light: #eaf5ec;

    --secondary: #d8b56a;
    --secondary-dark: #b38f45;

    --accent: #6f9f77;

    --background: #f7faf7;
    --surface: #ffffff;
    --surface-alt: #f3f7f3;

    --text-dark: #253126;
    --text: #4d5b4f;
    --text-light: #6e7b70;

    --border: #dbe6dc;

    --success: #2d7a3e;
    --warning: #c98b1c;
    --danger: #b94141;

    --shadow-sm: 0 4px 12px rgba(0, 0, 0, .05);
    --shadow: 0 12px 30px rgba(0, 0, 0, .08);
    --shadow-lg: 0 22px 55px rgba(0, 0, 0, .12);

    --radius-sm: 12px;
    --radius: 18px;
    --radius-lg: 28px;

    --transition: .3s ease;

    --container: 1280px;

}

/* =====================================================
   RESET
===================================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--background);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

picture {
    display: block;
}

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

button,
input,
select,
textarea {
    font: inherit;
}

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

ul {
    list-style: none;
}

/* =====================================================
   TYPOGRAPHY
===================================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: "Nunito", sans-serif;
    color: var(--text-dark);
    line-height: 1.2;
    font-weight: 800;
}

h1 {
    font-size: clamp(2.8rem, 5vw, 4.5rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
}

h3 {
    font-size: 1.45rem;
}

p {
    color: var(--text-light);
}

/* =====================================================
   LAYOUT
===================================================== */

.container {
    width: min(92%, var(--container));
    margin-inline: auto;
}

section {
    padding: 6rem 0;
}

/* =====================================================
   BUTTONS
===================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;

    padding: 1rem 2rem;

    border-radius: 999px;

    font-weight: 700;

    transition: var(--transition);
}

@media (max-width: 768px) {
    .btn {
        width: 100%;
    }
}

.btn-primary {

    background: var(--primary);
    color: #fff;
    box-shadow: var(--shadow-sm);

}

.btn-primary:hover {

    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow);

}

.btn-secondary {

    background: #fff;
    color: var(--primary);

    border: 2px solid var(--primary);

}

.btn-secondary:hover {

    background: var(--primary);
    color: #fff;

    transform: translateY(-3px);

}

/*=====================================================
  HEADER
=====================================================*/

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(0, 0, 0, .06);
    box-shadow: 0 4px 20px rgba(0, 0, 0, .04);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 82px;
    gap: 28px;
}

/*=====================================================
  LOGO
=====================================================*/

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}

.logo img {
    width: 64px;
    height: 64px;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.logo-text h1 {
    margin: 0;
    font-size: 1.5rem;
    line-height: 1.05;
    font-weight: 800;
    letter-spacing: -.02em;
    white-space: nowrap;
}

.logo-text span {
    margin-top: 4px;
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--primary);
}

/*=====================================================
  NAVIGATION
=====================================================*/

.main-nav {
    margin-left: auto;
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 20px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.main-nav a {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 6px 0;
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
    transition: var(--transition);
}

.main-nav a:hover {
    color: var(--primary);
}

.main-nav a.active {
    color: var(--primary);
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 0;
    height: 3px;
    border-radius: 999px;
    background: var(--primary);
    transition: width var(--transition);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

/*=====================================================
  HEADER ACTIONS
=====================================================*/

.header-actions {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    gap: 10px;
    margin-left: 20px;
}

.search-toggle {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: transparent;
    transition: var(--transition);
}

.search-toggle:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

/*=====================================================
  MOBILE MENU
=====================================================*/

.mobile-menu {

    display: none;

    width: 48px;
    height: 48px;

    align-items: center;
    justify-content: center;

    background: var(--primary);

    color: #fff;

    border: none;

    border-radius: 12px;

    font-size: 1.4rem;

    cursor: pointer;

    transition: var(--transition);

}

.mobile-menu:hover {

    background: var(--primary-dark);

}

.mobile-menu:focus-visible {

    outline: 3px solid var(--secondary);

    outline-offset: 3px;

}

/*=====================================================
  RESPONSIVE HEADER
=====================================================*/

@media (max-width:1100px) {

    .mobile-menu {
        display: flex;
    }

    .main-nav {

        display: none;

        position: absolute;
        top: 100%;
        left: 0;

        width: 100%;

        background: #fff;

        padding: 1.5rem;

        box-shadow: 0 18px 35px rgba(0, 0, 0, .12);

        border-top: 1px solid var(--border);

        z-index: 999;

    }

    .main-nav.active {

        display: block;

    }

    .main-nav ul {

        flex-direction: column;

        align-items: flex-start;

        gap: 1.25rem;

    }

    .main-nav a {

        width: 100%;

        padding: .75rem 0;

    }

}

/* =====================================================
   SECTION HEADINGS
===================================================== */

.section-heading {

    text-align: center;

    max-width: 760px;

    margin: 0 auto 4rem;

}

.section-heading span {

    display: inline-block;

    padding: .45rem 1rem;

    border-radius: 999px;

    background: var(--primary-light);

    color: var(--primary);

    font-size: .85rem;

    font-weight: 700;

    margin-bottom: 1rem;

}

.section-heading h2 {

    margin-bottom: 1rem;

}

.section-heading p {

    max-width: 700px;

    margin: auto;

}


/* =====================================================
   HERO
===================================================== */

.study-hero {

    background:
        radial-gradient(circle at top right, #eef7ef 0%, transparent 45%),
        linear-gradient(180deg, #f9fcf9 0%, #edf5ee 100%);

    overflow: hidden;

}

.hero-grid {

    display: grid;
    grid-template-columns: 1.15fr .85fr;

    gap: 5rem;

    align-items: center;

}

.hero-content {

    position: relative;
    z-index: 2;

}

.hero-eyebrow {

    display: inline-flex;

    align-items: center;

    gap: .6rem;

    padding: .55rem 1.1rem;

    border-radius: 999px;

    background: var(--primary-light);

    color: var(--primary);

    font-weight: 700;

    font-size: .85rem;

    margin-bottom: 1.4rem;

    letter-spacing: .04em;

    text-transform: uppercase;

}

.hero-content h1 {

    margin-bottom: 1.5rem;

    max-width: 760px;

}

.hero-content p {

    max-width: 640px;

    font-size: 1.1rem;

    margin-bottom: 2.25rem;

}

/* =====================================================
   HERO BUTTONS
===================================================== */

.hero-actions {

    display: flex;

    flex-wrap: wrap;

    gap: 1rem;

    margin-bottom: 2.5rem;

}

/* =====================================================
   HERO SEARCH
===================================================== */

.hero-search {

    margin-bottom: 2.5rem;

}

.hero-search form {

    display: flex;

    background: #fff;

    border-radius: 18px;

    overflow: hidden;

    border: 1px solid var(--border);

    box-shadow: var(--shadow);

    max-width: 650px;

}

.hero-search input {

    flex: 1;

    border: none;

    outline: none;

    background: none;

    padding: 1.15rem 1.4rem;

}

.hero-search button {

    background: var(--primary);

    color: #fff;

    padding: 0 2rem;

    font-weight: 700;

    transition: var(--transition);

}

.hero-search button:hover {

    background: var(--primary-dark);

}

/* =====================================================
   HERO HIGHLIGHTS
===================================================== */

.hero-highlights {

    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 1.25rem;

    margin-top: 2rem;

}

.highlight {

    background: #fff;

    padding: 1.5rem;

    border-radius: 20px;

    text-align: center;

    border: 1px solid rgba(0, 0, 0, .05);

    box-shadow: var(--shadow-sm);

    transition: var(--transition);

}

.highlight:hover {

    transform: translateY(-6px);

    box-shadow: var(--shadow);

}

.highlight strong {

    display: block;

    font-size: 2rem;

    color: var(--primary);

    font-family: "Nunito", sans-serif;

    margin-bottom: .4rem;

}

.highlight span {

    color: var(--text-light);

    font-size: .95rem;

}

/* =====================================================
   HERO IMAGE
===================================================== */

.hero-image {

    position: relative;

}

.hero-image::before {

    content: "";

    position: absolute;

    inset: -18px;

    border-radius: 34px;

    background: linear-gradient(135deg,
            rgba(77, 124, 89, .10),
            rgba(216, 181, 106, .12));

    z-index: -1;

}

.hero-image img {

    width: 100%;

    border-radius: 28px;

    object-fit: cover;

    box-shadow: var(--shadow-lg);

}

/* =====================================================
   HERO IMAGE DECORATION
===================================================== */

.hero-image::after {

    content: "";

    position: absolute;

    width: 140px;

    height: 140px;

    border-radius: 50%;

    background: rgba(216, 181, 106, .18);

    top: -35px;

    right: -35px;

    z-index: -2;

}

/* =====================================================
   STUDY CATEGORIES
===================================================== */

.study-categories {
    background: #ffffff;
}

.category-groups {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: 3rem;
}

.category-group {
    background: #fff;
    padding: 2rem;
    border-radius: 24px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.category-group h3 {
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.category-chips {
    display: flex;
    flex-wrap: wrap;
    gap: .9rem;
}

.chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    padding: .85rem 1.4rem;

    border-radius: 999px;

    background: var(--surface-alt);

    border: 1px solid var(--border);

    color: var(--text);

    font-weight: 600;

    transition: var(--transition);
}

.chip:hover {

    background: var(--primary);

    color: #fff;

    border-color: var(--primary);

    transform: translateY(-3px);

    box-shadow: var(--shadow-sm);

}

.chip.active {

    background: var(--primary);

    color: #fff;

    border-color: var(--primary);

}

/* =====================================================
   WHY OUR STUDIES
===================================================== */

.study-features {

    background: linear-gradient(180deg,
            #f8fbf8 0%,
            #f2f7f2 100%);

}

.features-grid {

    display: grid;

    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));

    gap: 2rem;

}

.feature-card {

    background: #fff;

    border-radius: 24px;

    padding: 2.5rem;

    text-align: center;

    border: 1px solid rgba(0, 0, 0, .05);

    box-shadow: var(--shadow-sm);

    transition: var(--transition);

    position: relative;

    overflow: hidden;

}

.feature-card::before {

    content: "";

    position: absolute;

    left: 0;
    top: 0;

    width: 100%;
    height: 5px;

    background: linear-gradient(90deg,
            var(--primary),
            var(--secondary));

    transform: scaleX(0);

    transition: .35s;

    transform-origin: left;

}

.feature-card:hover {

    transform: translateY(-10px);

    box-shadow: var(--shadow-lg);

}

.feature-card:hover::before {

    transform: scaleX(1);

}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.25rem;
    background: none;
    width: auto;
    height: auto;
    border-radius: 0;
    box-shadow: none;
}

.feature-card h3 {

    margin-bottom: 1rem;

}

.feature-card p {

    line-height: 1.8;

}

/* =====================================================
   FEATURE SECTION SPACING
===================================================== */

.study-features .section-heading {

    margin-bottom: 4.5rem;

}

.study-categories .section-heading {

    margin-bottom: 4rem;

}

/* =====================================================
   FEATURED STUDY
===================================================== */

.featured-study {
    background: #ffffff;
}

.featured-study-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 4rem;

    background: #fff;

    border-radius: 32px;

    overflow: hidden;

    border: 1px solid rgba(0, 0, 0, .06);

    box-shadow: var(--shadow-lg);
}

.featured-image {
    height: 100%;
}

.featured-image img {
    width: 100%;
    height: 100%;
    min-height: 650px;
    object-fit: cover;
    display: block;
}

.featured-content {
    padding: 4rem;
}

.featured-tag {

    display: inline-flex;

    align-items: center;

    gap: .5rem;

    background: var(--primary-light);

    color: var(--primary);

    padding: .55rem 1.2rem;

    border-radius: 999px;

    font-size: .85rem;

    font-weight: 700;

    margin-bottom: 1.5rem;

    letter-spacing: .04em;

    text-transform: uppercase;

}

.featured-content h2 {
    margin-bottom: 1.25rem;
}

.featured-content>p {
    margin-bottom: 2.5rem;
    font-size: 1.05rem;
    line-height: 1.9;
}

/* =====================================================
   FEATURE HIGHLIGHTS
===================================================== */

.featured-highlights {

    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 1.25rem;

    margin-bottom: 2.75rem;

}

.highlight-item {

    display: flex;

    align-items: flex-start;

    gap: .75rem;

    padding: 1.35rem;

    background: var(--surface-alt);

    border-radius: 18px;

    border: 1px solid var(--border);

}

.highlight-item:hover {

    transform: translateY(-5px);

    box-shadow: var(--shadow);

}

.highlight-item>span {

    flex-shrink: 0;

    display: flex;

    align-items: center;

    justify-content: center;

    font-size: 2rem;

    background: none;

    width: auto;
    height: auto;

    border-radius: 0;

    box-shadow: none;

}

.highlight-item strong {

    display: block;

    margin-bottom: .35rem;

    color: var(--text-dark);

    font-family: "Nunito", sans-serif;

    font-size: 1.05rem;

}

.highlight-item p {

    margin: 0;

    font-size: .92rem;

    line-height: 1.6;

}

/* =====================================================
   FEATURED BUTTONS
===================================================== */

.featured-buttons {

    display: flex;

    flex-wrap: wrap;

    gap: 1rem;

}

.featured-buttons .btn {

    min-width: 210px;

    justify-content: center;

}

/* =====================================================
   FEATURED IMAGE EFFECT
===================================================== */

.featured-image {

    position: relative;

    overflow: hidden;

}

.featured-image img {

    transition: transform .6s ease;

}

.featured-study-card:hover .featured-image img {

    transform: scale(1.04);

}

/* =====================================================
   FEATURED CONTENT ANIMATION
===================================================== */

.featured-content>* {

    transition: var(--transition);

}

.featured-study-card:hover {

    box-shadow:
        0 35px 70px rgba(0, 0, 0, .12);

}

/* =====================================================
   STUDY LIBRARY
===================================================== */

.study-library {
    background: #f7faf7;
}

.library-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.library-search {
    flex: 1;
    min-width: 300px;
}

.library-search input {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: #fff;
    transition: var(--transition);
}

.library-search input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(77, 124, 89, .10);
}

.library-options {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.library-options select {
    padding: 1rem 1.25rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: #fff;
    cursor: pointer;
    transition: var(--transition);
}

.library-options select:hover {
    border-color: var(--primary);
}

.library-summary {
    margin-bottom: 2.5rem;
}

.library-summary p {
    color: var(--text-light);
}

/* =====================================================
   STUDY GRID
===================================================== */

.study-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

/* =====================================================
   STUDY CARD
===================================================== */

.study-card {
    display: flex;
    flex-direction: column;

    background: #fff;

    border-radius: 26px;

    overflow: hidden;

    border: 1px solid rgba(0, 0, 0, .05);

    box-shadow: var(--shadow-sm);

    transition: var(--transition);
}

.study-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.study-card img {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
    transition: transform .6s ease;
}

.study-card:hover img {
    transform: scale(1.06);
}

.study-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 1.8rem;
}

.study-content h3 {
    margin: .85rem 0;
}

.study-content p {
    line-height: 1.75;
    margin-bottom: 1.75rem;
    flex: 1;
}

/* =====================================================
   CATEGORY TAGS
===================================================== */

.study-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: max-content;

    padding: .45rem .95rem;

    border-radius: 999px;

    font-size: .78rem;

    font-weight: 700;

    text-transform: uppercase;

    letter-spacing: .05em;
}

/* Nature */

.study-tag.nature {
    background: #e6f5e8;
    color: #2d7a3e;
}

/* STEM */

.study-tag.stem {
    background: #e8f1ff;
    color: #295fa6;
}

/* Science */

.study-tag.science {
    background: #e7f9ff;
    color: #0f7ea2;
}

/* Engineering */

.study-tag.engineering {
    background: #f3ecff;
    color: #6b46c1;
}

/* Transportation */

.study-tag.transportation {
    background: #edf2ff;
    color: #355fb5;
}

/* Literacy */

.study-tag.literacy {
    background: #fff7dd;
    color: #a47000;
}

/* Health */

.study-tag.health {
    background: #fff3e5;
    color: #ca6d18;
}

/* Community */

.study-tag.community {
    background: #f4efff;
    color: #6d4bc2;
}

/* Sensory */

.study-tag.sensory {
    background: #fff1fb;
    color: #b43d88;
}

/* Environment */

.study-tag.environment {
    background: #e8f8ef;
    color: #287b4a;
}

/* Cooking */

.study-tag.cooking {
    background: #fff4e7;
    color: #b95b16;
}

/* Daily Life */

.study-tag.daily-life {
    background: #eef7ff;
    color: #356cab;
}

/* Movement */

.study-tag.movement {
    background: #eef9ff;
    color: #1f82b8;
}

/* =====================================================
   META TAGS
===================================================== */

.study-meta {
    display: flex;
    flex-wrap: wrap;
    gap: .65rem;
    margin-bottom: 1.75rem;
}

.study-meta span {
    padding: .45rem .8rem;

    background: var(--surface-alt);

    border-radius: 999px;

    font-size: .8rem;

    color: var(--text);

    font-weight: 600;
}

/* =====================================================
   CARD BUTTON
===================================================== */

.study-card .btn {
    width: 100%;
    justify-content: center;
    margin-top: auto;
}

/* =====================================================
   CARD HOVER ACCENT
===================================================== */

.study-card {
    position: relative;
}

.study-card::before {

    content: "";

    position: absolute;

    left: 0;
    top: 0;

    width: 100%;
    height: 5px;

    background: linear-gradient(90deg,
            var(--primary),
            var(--secondary));

    transform: scaleX(0);

    transform-origin: left;

    transition: .35s;

    z-index: 2;

}

.study-card:hover::before {
    transform: scaleX(1);
}

/* =====================================================
   CUSTOM STUDY
===================================================== */

.custom-study {
    background: linear-gradient(180deg, #ffffff 0%, #f7faf7 100%);
}

.custom-study-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;

    padding: 4rem;

    background: linear-gradient(135deg,
            var(--primary),
            #5f9368);

    border-radius: 32px;
    overflow: hidden;
    color: #fff;
    box-shadow: var(--shadow-lg);
}

.custom-image img {
    width: 100%;
    border-radius: 24px;
    display: block;
}

.custom-content {
    color: #fff;
}

.custom-content h2 {
    color: #fff;
    margin: 1rem 0;
}

.custom-content p {
    color: rgba(255, 255, 255, .95);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.section-tag {
    display: inline-block;

    background: rgba(255, 255, 255, .18);

    color: #fff;

    padding: .55rem 1.1rem;

    border-radius: 999px;

    font-size: .85rem;

    font-weight: 700;

    margin-bottom: 1rem;
}

.custom-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 2rem 0;
}

.custom-item {
    display: flex;
    align-items: center;
    gap: .8rem;

    padding: 1rem;

    border-radius: 16px;

    background: rgba(255, 255, 255, .12);
}

.custom-item span {
    font-size: 1.5rem;
}

.custom-item p {
    color: #fff;
    margin: 0;
    font-weight: 600;
}

.custom-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.custom-buttons .btn-primary {
    background: #fff;
    color: var(--primary);
}

.custom-buttons .btn-primary:hover {
    background: var(--secondary);
    color: #fff;
}

.custom-buttons .btn-secondary {
    border: 2px solid #fff;
    color: #fff;
    background: transparent;
}

.custom-buttons .btn-secondary:hover {
    background: #fff;
    color: var(--primary);
}

/* =====================================================
   SITE STATISTICS
===================================================== */

.site-stats {
    background: #f3f8f3;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.stat-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 2.75rem 2rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg,
            var(--primary),
            var(--secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: .35s;
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card h3 {
    font-family: "Nunito", sans-serif;
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: .5rem;
    line-height: 1;
}

.stat-card p {
    color: var(--text-dark);
    font-weight: 600;
    margin: 0;
}

/* =====================================================
   NEWSLETTER
===================================================== */

/* =====================================================
   NEWSLETTER
===================================================== */

.newsletter {

    background: linear-gradient(135deg,
            var(--primary),
            #5f9368);

    padding: 7rem 0;

}

.newsletter-box {

    display: grid;

    grid-template-columns: 1.3fr .7fr;

    gap: 4rem;

    align-items: center;

}

.newsletter-tag {

    display: inline-block;

    padding: .6rem 1.25rem;

    border-radius: 999px;

    background: rgba(255, 255, 255, .15);

    color: #fff;

    font-size: .85rem;

    font-weight: 700;

    margin-bottom: 1.5rem;

}

.newsletter-content h2 {

    color: #fff;

    margin-bottom: 1.5rem;

}

.newsletter-content p {

    color: rgba(255, 255, 255, .92);

    font-size: 1.1rem;

    line-height: 1.9;

    margin-bottom: 2.5rem;

    max-width: 700px;

}

.newsletter-benefits {

    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 1rem 2rem;

}

.newsletter-benefits div {

    display: flex;

    align-items: center;

    gap: .75rem;

    color: #fff;

    font-weight: 600;

    font-size: 1rem;

}

.newsletter-card {

    background: #fff;

    border-radius: 28px;

    padding: 2.5rem;

    box-shadow: var(--shadow-lg);

}

.newsletter-card h3 {

    margin-bottom: .75rem;

    color: var(--text-dark);

}

.newsletter-card p {

    color: var(--text-light);

    margin-bottom: 2rem;

}

.newsletter-form {

    display: flex;

    flex-direction: column;

    gap: 1rem;

}

.newsletter-form input {

    width: 100%;

    padding: 1rem 1.2rem;

    border-radius: 16px;

    border: 1px solid var(--border);

    outline: none;

    transition: var(--transition);

}

.newsletter-form input:focus {

    border-color: var(--primary);

    box-shadow: 0 0 0 4px rgba(77, 124, 89, .12);

}

.newsletter-form .btn {

    width: 100%;

    justify-content: center;

    padding: 1rem;

}

.newsletter-card small {

    display: block;

    margin-top: 1.25rem;

    text-align: center;

    color: var(--text-light);

    font-size: .9rem;

}

/* =====================================================
   RESPONSIVE
===================================================== */

@media (max-width:900px) {

    .newsletter-box {

        grid-template-columns: 1fr;

        gap: 3rem;

    }

    .newsletter-content {

        text-align: center;

    }

    .newsletter-benefits {

        grid-template-columns: 1fr;

        max-width: 340px;

        margin: 2rem auto 0;

    }

}

@media (max-width:600px) {

    .newsletter {

        padding: 5rem 0;

    }

    .newsletter-card {

        padding: 2rem;

    }

}

/* =====================================================
   FOOTER
===================================================== */

.site-footer {
    background: #233126 !important;
    color: #fff !important;
    padding: 4rem 0 2rem;
}


.footer-grid {

    display: grid;

    grid-template-columns: 3fr 1fr 1fr 1fr;

    gap: 4rem;

    align-items: start;

    margin-bottom: 3rem;

}

.site-footer h3,
.site-footer h4,
.site-footer p,
.site-footer a,
.site-footer li {

    color: #fff !important;

    margin-bottom: 1rem;

}

.footer-about p,
.footer-column p {

    color: rgba(255, 255, 255, .82);

    line-height: 1.8;

}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: .75rem;
}

.footer-column a {
    color: rgba(255, 255, 255, .80);
    transition: var(--transition);
}

.footer-column a:hover {
    color: #fff;
    padding-left: 6px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .12);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, .70);
    font-size: .95rem;
}

.footer-about {

    max-width: 520px;

}

.footer-about h3 {

    font-size: 2rem;

    line-height: 1.2;

    margin-bottom: 1.25rem;

}

.footer-about p {

    max-width: 500px;

}

/* =====================================================
   BACK TO TOP
===================================================== */

.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;

    width: 54px;
    height: 54px;

    border-radius: 50%;

    display: flex;
    align-items: center;
    justify-content: center;

    background: var(--primary);
    color: #fff;

    box-shadow: var(--shadow);

    opacity: 0;
    visibility: hidden;

    transition: var(--transition);

    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
}

/* =====================================================
   ACCESSIBILITY
===================================================== */

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 3px solid var(--secondary);
    outline-offset: 3px;
}

/* =====================================================
   RESPONSIVE
===================================================== */

@media (max-width:1100px) {

    .hero-grid,
    .featured-study-card,
    .custom-study-card {
        grid-template-columns: 1fr;
    }

    .featured-image img {
        min-height: 420px;
    }

    .custom-study-action {
        justify-content: flex-start;
    }

}

@media (max-width:900px) {

    section {
        padding: 5rem 0;
    }

    .nav-container {
        flex-wrap: wrap;
        min-height: auto;
        padding: 1rem 0;
    }

    .search-bar {
        order: 3;
        width: 100%;
        max-width: none;
    }

    .mobile-menu {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .hero-highlights,
    .featured-highlights,
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .custom-study-features {
        grid-template-columns: 1fr;
    }

}

@media (max-width:768px) {

    h1 {
        font-size: 2.6rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero-actions,
    .featured-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .category-groups,
    .study-grid,
    .features-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .featured-content,
    .custom-study-card {
        padding: 2rem;
    }

    .newsletter-form {
        flex-direction: column;
        align-items: stretch;
    }

    .newsletter-form input {
        max-width: none;
    }

}

@media (max-width:600px) {

    .hero-highlights,
    .featured-highlights,
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .highlight,
    .highlight-item,
    .stat-card {
        text-align: center;
    }

    .highlight-item {
        flex-direction: column;
        align-items: center;
    }

    .featured-image img {
        min-height: 280px;
    }

    .study-card img {
        aspect-ratio: 4/3;
    }

}

@media (max-width:480px) {

    .container {
        width: 94%;
    }

    section {
        padding: 4rem 0;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .featured-content,
    .study-content,
    .feature-card,
    .category-group,
    .custom-study-card {
        padding: 1.5rem;
    }

    .stat-number {
        font-size: 2.4rem;
    }

    .back-to-top {
        width: 48px;
        height: 48px;
    }

}

/* =====================================================
   UTILITIES
===================================================== */

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

.hidden {
    display: none !important;
}

.mt-0 {
    margin-top: 0;
}

.mt-1 {
    margin-top: 1rem;
}

.mt-2 {
    margin-top: 2rem;
}

.mt-3 {
    margin-top: 3rem;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: 1rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

.mb-3 {
    margin-bottom: 3rem;
}