/* CSS Variables */
:root {
    --color-primary: #3A5A40; /* Dark Moss Green */
    --color-primary-darker: #2A402E; /* Darker Moss Green for hover */
    --color-secondary: #A3B18A; /* Pale Olive Green */
    --color-accent1: #E76F51; /* Burnt Sienna */
    --color-accent2: #F4A261; /* Sandy Brown */
    --color-accent2-darker: #D8874A; /* Darker Sandy Brown for hover */

    --color-text-light: #F8F9FA;
    --color-text-dark: #212529;
    --color-text-muted: #6C757D;
    --color-text-on-primary: #FFFFFF;
    --color-text-on-accent: #212529; /* Dark text on light accent (Sandy Brown) */

    --color-background-light: #FFFFFF;
    --color-background-medium: #DAD7CD; /* Light Grayish Beige */
    --color-background-section-light: #F4F1EA; /* Very light beige for alternating sections */
    --color-background-dark: #344E41; /* Darker Green */

    --color-border: #A3B18A; /* Pale Olive Green */
    --color-shadow: rgba(0, 0, 0, 0.08);
    --color-shadow-strong: rgba(0, 0, 0, 0.15);

    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Work Sans', sans-serif;

    --border-radius-small: 4px;
    --border-radius-medium: 8px;
    --border-radius-large: 16px;

    --spacing-xs: 0.5rem;  /* 8px */
    --spacing-sm: 1rem;    /* 16px */
    --spacing-md: 1.5rem;  /* 24px */
    --spacing-lg: 2rem;    /* 32px */
    --spacing-xl: 3rem;    /* 48px */
    --spacing-xxl: 4rem;   /* 64px */

    --transition-fast: 0.2s ease-in-out;
    --transition-medium: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;

    --header-height: 80px; /* For offsetting content */
}

/* Basic Reset & Global Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px; /* Base font size */
}

body {
    font-family: var(--font-secondary);
    line-height: 1.7;
    color: var(--color-text-dark);
    background-color: var(--color-background-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden; /* Prevent horizontal scroll */
}

.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex-grow: 1;
    width: 100%; /* Ensure main takes full width */
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    text-rendering: optimizeLegibility;
}

h1 { font-size: 2.8rem; }
h2 { font-size: 2.2rem; }
h3 { font-size: 1.8rem; }
h4 { font-size: 1.5rem; }

p {
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
    color: var(--color-text-dark);
}

a {
    color: var(--color-accent1);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover, a:focus {
    color: var(--color-accent2);
    text-decoration: underline;
}

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

/* Container */
.container {
    width: 90%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
}

/* Columns */
.columns {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.column {
    flex: 1;
    min-width: 0; /* Allow flex items to shrink properly */
}

.column.is-two-thirds {
    flex-basis: 0; /* Let flex-grow handle it */
    flex-grow: 2;
}
.column:not(.is-two-thirds) { /* Handles the other 1/3 column or equal columns */
    flex-grow: 1;
}

.column.image-column {
    display: flex;
    justify-content: center;
    align-items: center;
}
.image-column .card-image {
    width: 100%;
}


/* Buttons - Global Styles */
.btn, button, input[type="submit"], input[type="button"] {
    display: inline-block;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid transparent;
    border-radius: var(--border-radius-medium);
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: background-color var(--transition-medium), color var(--transition-medium), transform var(--transition-medium), box-shadow var(--transition-medium), border-color var(--transition-medium);
    box-shadow: 0 2px 4px var(--color-shadow);
}

.btn:hover, button:hover, input[type="submit"]:hover, input[type="button"]:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 10px var(--color-shadow-strong);
}

.btn:active, button:active, input[type="submit"]:active, input[type="button"]:active {
    transform: translateY(-1px);
    box-shadow: 0 2px 5px var(--color-shadow);
}

.btn-primary {
    background-color: var(--color-accent2);
    color: var(--color-text-on-accent);
    border-color: var(--color-accent2);
}

.btn-primary:hover {
    background-color: var(--color-accent2-darker);
    border-color: var(--color-accent2-darker);
    color: var(--color-text-on-accent);
}

.btn-secondary {
    background-color: var(--color-primary);
    color: var(--color-text-on-primary);
    border-color: var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary-darker);
    border-color: var(--color-primary-darker);
    color: var(--color-text-on-primary);
}

/* Forms - Global Styles */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-family: var(--font-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-small);
    font-family: var(--font-secondary);
    font-size: 1rem;
    background-color: var(--color-background-light);
    color: var(--color-text-dark);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(58, 90, 64, 0.2);
}

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


/* Header */
.site-header {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    padding: 0; /* Height will control padding */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 1px 3px var(--color-shadow);
    height: var(--header-height);
    display: flex; /* For vertical alignment of .header-container */
    align-items: center;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.site-header .logo {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}
.site-header .logo:hover {
    color: var(--color-accent1);
    text-decoration: none;
}

.main-nav .nav-menu {
    list-style: none;
    display: flex;
    gap: var(--spacing-sm); /* Reduced gap */
}

.main-nav .nav-menu li a {
    font-family: var(--font-primary);
    font-weight: 500;
    color: var(--color-primary);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-small);
    transition: color var(--transition-fast), background-color var(--transition-fast);
    position: relative;
}
.main-nav .nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-accent1);
    transition: width var(--transition-medium);
}

.main-nav .nav-menu li a:hover,
.main-nav .nav-menu li a:focus,
.main-nav .nav-menu li a.active {
    color: var(--color-accent1);
    background-color: transparent; /* Remove bg color on hover */
    text-decoration: none;
}
.main-nav .nav-menu li a:hover::after,
.main-nav .nav-menu li a:focus::after,
.main-nav .nav-menu li a.active::after {
    width: 70%;
}


.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    z-index: 1001;
}

.nav-toggle .hamburger {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    position: relative;
    transition: transform var(--transition-medium), background-color var(--transition-medium);
}

.nav-toggle .hamburger::before,
.nav-toggle .hamburger::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    left: 0;
    transition: transform var(--transition-medium), top var(--transition-medium) 0s var(--transition-medium), bottom var(--transition-medium) 0s var(--transition-medium);
}

.nav-toggle .hamburger::before { top: -8px; }
.nav-toggle .hamburger::after { bottom: -8px; }

.nav-toggle.open .hamburger { background-color: transparent; }
.nav-toggle.open .hamburger::before {
    top: 0;
    transform: rotate(45deg);
    transition: top var(--transition-medium), transform var(--transition-medium) 0s var(--transition-medium);
}
.nav-toggle.open .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
    transition: bottom var(--transition-medium), transform var(--transition-medium) 0s var(--transition-medium);
}


/* Footer */
.site-footer {
    background-color: var(--color-background-dark);
    color: var(--color-text-light);
    padding: var(--spacing-xl) 0 var(--spacing-md) 0;
    text-align: center;
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.site-footer .footer-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.site-footer .footer-nav a {
    color: var(--color-secondary);
    text-decoration: none;
}
.site-footer .footer-nav a:hover {
    color: var(--color-text-light);
    text-decoration: underline;
}

.site-footer .footer-social {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.site-footer .footer-social a {
    color: var(--color-secondary);
    font-size: 1rem;
    text-decoration: none;
}
.site-footer .footer-social a:hover {
    color: var(--color-text-light);
    text-decoration: none; /* Social links usually don't underline */
}

.site-footer .copyright {
    font-size: 0.9rem;
    color: var(--color-secondary);
    margin-top: var(--spacing-sm);
}

/* Content Sections */
.content-section {
    padding: var(--spacing-xxl) 0;
    position: relative;
}
.content-section:first-of-type, /* For ./ */
.page-section.first-on-page { /* For other HTML pages */
    padding-top: calc(var(--header-height) + var(--spacing-xxl));
}
/* Ensure dedicated legal/text pages have correct top padding */
.privacy-page-main .content-section, /* Assuming specific main class for these pages */
.terms-page-main .content-section,
.about-page-main .content-section,
.contacts-page-main .content-section,
.success-page-main .content-section {
    padding-top: calc(var(--header-height) + var(--spacing-xl)) !important;
}


.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-size: 2.5rem;
    color: var(--color-primary);
    position: relative;
}
.section-title::after {
    content: '';
    display: block;
    width: 70px;
    height: 3px;
    background-color: var(--color-accent2);
    margin: var(--spacing-sm) auto 0;
    border-radius: var(--border-radius-small);
}
.page-title {
    margin-bottom: var(--spacing-lg);
}
.page-title::after { display: none; } /* No underline for single page titles typically */


.section-intro {
    text-align: center;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-xl);
    font-size: 1.1rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

.section-light-bg {
    background-color: var(--color-background-section-light);
}


/* Hero Section */
.hero-section {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    color: var(--color-text-light);
    padding-top: var(--header-height);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.4), rgba(0,0,0,0.7));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: var(--spacing-lg);
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
    text-shadow: 1px 1px 4px rgba(0,0,0,0.6);
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: #E0E0E0; /* Slightly off-white for better readability on some images */
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

.hero-content .btn-primary {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.2rem;
}

/* History Section */
#history .columns { align-items: center; }
#history .column.image-column img {
    border-radius: var(--border-radius-medium);
    box-shadow: 0 8px 20px var(--color-shadow-strong);
}

/* Insights Section */
.stats-widgets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.stat-widget {
    background-color: var(--color-background-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-medium);
    box-shadow: 0 4px 12px var(--color-shadow);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    border-left: 4px solid var(--color-accent1);
}
.stat-widget:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 6px 18px var(--color-shadow-strong);
}
.stat-value {
    font-family: var(--font-primary);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}
.stat-label {
    font-size: 1rem;
    color: var(--color-text-muted);
}
.insights-image-container img, .accolades-image-container img, .contact-image-container img {
    border-radius: var(--border-radius-medium);
    box-shadow: 0 8px 20px var(--color-shadow-strong);
    margin: var(--spacing-xl) auto 0 auto;
}

/* Research Section */
#research .columns { align-items: center; }
#research .column.image-column img {
    border-radius: var(--border-radius-medium);
    box-shadow: 0 8px 20px var(--color-shadow-strong);
}


/* Accolades Section */
.accolades-list {
    list-style: none;
    padding-left: 0;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl) auto;
}
.accolades-list li {
    background-color: var(--color-background-light);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    border-radius: var(--border-radius-small);
    box-shadow: 0 3px 8px var(--color-shadow);
    font-size: 1.1rem;
    color: var(--color-text-dark);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    display: flex;
    align-items: center;
}
.accolades-list li:hover {
    transform: translateX(5px);
    box-shadow: 0 5px 15px var(--color-shadow-strong);
}
.accolades-list li::before {
    margin-right: var(--spacing-sm);
    font-size: 1.5rem;
    color: var(--color-accent2);
}
.accolades-list li:nth-child(1)::before { content: '🏆'; }
.accolades-list li:nth-child(2)::before { content: '🌟'; }
.accolades-list li:nth-child(3)::before { content: '👍'; }
.accolades-list li:nth-child(4)::before { content: '🎮'; }


/* Generic Card Styles */
.card {
    background-color: var(--color-background-light);
    border-radius: var(--border-radius-medium);
    box-shadow: 0 5px 15px var(--color-shadow);
    overflow: hidden; /* Important for border-radius on image */
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    display: flex;
    flex-direction: column;
    height: 100%; /* Makes cards in a grid same height */
}
.card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 10px 25px var(--color-shadow-strong);
}
.card .card-image {
    width: 100%;
    height: 220px; /* Consistent height for card images */
    overflow: hidden; /* Crucial for object-fit */
    background-color: var(--color-background-medium); /* Placeholder bg */
}
.card .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow); /* Subtle zoom on image hover */
}
.card:hover .card-image img {
    transform: scale(1.05);
}
.card .card-content {
    padding: var(--spacing-lg);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.card .card-content h3 {
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
    color: var(--color-primary);
}
.card .card-content p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 0;
    flex-grow: 1; /* Pushes buttons/links to bottom if any */
}

/* Success Stories Section */
.success-stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}
.success-story-card .card-image { height: 250px; }
.success-story-card .card-content { text-align: center; }
.success-story-card .card-content h3 { color: var(--color-accent1); }

/* Vision Section */
#vision {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--color-text-light);
    text-align: center;
}
.vision-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(58, 90, 64, 0.75), rgba(52, 78, 65, 0.9));
    z-index: 1;
}
.vision-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}
.vision-content h2 {
    color: var(--color-text-light);
    text-shadow: 1px 1px 3px rgba(0,0,0,0.4);
}
.vision-content p {
    font-size: 1.15rem;
    color: #E0E0E0;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

/* News Section - Accordion */
.accordion { max-width: 800px; margin: 0 auto; }
.accordion-item {
    background-color: var(--color-background-light);
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-small);
    overflow: hidden;
    box-shadow: 0 2px 4px var(--color-shadow);
}
.accordion-header {
    background-color: transparent;
    color: var(--color-primary);
    cursor: pointer;
    padding: var(--spacing-md);
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    font-size: 1.2rem;
    font-family: var(--font-primary);
    font-weight: 600;
    transition: background-color var(--transition-fast);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.accordion-header:hover { background-color: rgba(163, 177, 138, 0.15); }
.accordion-icon {
    font-size: 1.5rem;
    transition: transform var(--transition-medium);
    color: var(--color-accent1);
}
.accordion-item.active .accordion-icon { transform: rotate(45deg); }
.accordion-content {
    padding: 0 var(--spacing-md);
 

    transition: max-height var(--transition-medium) ease-out, padding var(--transition-medium) ease-out;
    background-color: var(--color-background-light); /* Ensure bg for content */
}
.accordion-content p {
    padding: var(--spacing-md) 0; /* Add padding inside the p tag, not on the content div */
    font-size: 1rem;
    color: var(--color-text-dark);
    margin-bottom: 0;
}
.accordion-item.active .accordion-content {
    /* max-height handled by JS or very large value */
    /* padding on content div itself when active, if needed */
}

/* External Resources Section */
.external-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}
.external-link-card .card-content h3 a {
    color: var(--color-accent1);
    text-decoration: none;
}
.external-link-card .card-content h3 a:hover {
    color: var(--color-accent2);
    text-decoration: underline;
}
.external-link-card .card-content p {
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Contact Section */
.contact-section .contact-form {
    max-width: 700px;
    margin: 0 auto var(--spacing-xl) auto;
    background-color: var(--color-background-light);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-medium);
    box-shadow: 0 5px 20px var(--color-shadow);
}
.contact-section .contact-info {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--color-background-section-light);
    border-radius: var(--border-radius-medium);
}
.contact-section .contact-info h3 { color: var(--color-primary); margin-bottom: var(--spacing-sm); }
.contact-section .contact-info ul { list-style: none; padding: 0; }
.contact-section .contact-info li { margin-bottom: var(--spacing-xs); color: var(--color-text-muted); }
.contact-section .contact-info li strong { color: var(--color-text-dark); }


/* Success Page Specific Styles */
.success-page-main > .success-page.content-section {
    display: flex;
    flex-direction: column;
    justify-content: center; /* Vertical centering */
    align-items: center; /* Horizontal centering */
    flex-grow: 1; /* Make this section take available space in main */
    min-height: calc(100vh - var(--header-height) - 158px); /* Fallback, 158px for example footer */
    /* Padding top is handled by .success-page-main .content-section */
}
.success-page .container.text-center { /* Ensure container also supports centering */
    width: 100%; /* Allow container to be flexible for centering */
    max-width: 600px;
}
.success-icon img {
    margin: 0 auto var(--spacing-lg) auto;
    width: 100px;
    height: 100px;
}
.success-page h1 { color: var(--color-primary); margin-bottom: var(--spacing-sm); }
.success-page p { font-size: 1.1rem; color: var(--color-text-muted); margin-bottom: var(--spacing-md); }
.success-page .btn-primary { margin-top: var(--spacing-sm); }


/* Text Content Pages (Privacy, Terms, About) */
.text-content-container {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}
.text-content-container h1,
.text-content-container h2 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}
.text-content-container h2 { font-size: 1.8rem; }
.text-content-container ul { margin-left: var(--spacing-lg); margin-bottom: var(--spacing-sm); }
.text-content-container li { margin-bottom: var(--spacing-xs); }

/* Read More Link Style */
.read-more-link {
    display: inline-block;
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--color-accent1);
    text-decoration: none;
    padding: var(--spacing-xs) 0;
    position: relative;
}
.read-more-link::after {
    content: '→';
    display: inline-block;
    margin-left: var(--spacing-xs);
    transition: transform var(--transition-fast);
}
.read-more-link:hover { color: var(--color-accent2); text-decoration: none; }
.read-more-link:hover::after { transform: translateX(4px); }


/* Parallax & Animation on Scroll Placeholders */
[data-animate-on-scroll] {
    opacity: 0;
    transform: translateY(25px);
}

/* Utility Classes */
.text-center { text-align: center; }

/* Responsive Design */
@media (max-width: 992px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    .hero-content h1 { font-size: 3rem; }
    .hero-content p { font-size: 1.15rem; }

    .column.is-two-thirds, .column:not(.is-two-thirds) {
        flex-basis: 100%;
        flex-grow: 1;
    }
    .columns { gap: var(--spacing-md); }
    .content-section { padding: var(--spacing-xl) 0; }

    .content-section:first-of-type,
    .page-section.first-on-page {
        padding-top: calc(var(--header-height) + var(--spacing-xl));
    }
    .privacy-page-main .content-section,
    .terms-page-main .content-section,
    .about-page-main .content-section,
    .contacts-page-main .content-section,
    .success-page-main .content-section {
        padding-top: calc(var(--header-height) + var(--spacing-md)) !important;
    }
}

@media (max-width: 768px) {
    :root { --header-height: 70px; }
    .site-header { /* Padding is 0, height controls it */ }

    .main-nav .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background-color: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(10px);
        box-shadow: 0 5px 10px var(--color-shadow);
        padding: var(--spacing-sm) 0;
        text-align: left;
    }
    .main-nav .nav-menu.open { display: flex; }
    .main-nav .nav-menu li { width: 100%; }
    .main-nav .nav-menu li a {
        display: block;
        padding: var(--spacing-sm) var(--spacing-lg);
        border-bottom: 1px solid var(--color-border);
    }
     .main-nav .nav-menu li a::after { display: none; } /* No underline for mobile menu items */
    .main-nav .nav-menu li:last-child a { border-bottom: none; }
    .nav-toggle { display: block; }

    .hero-section { min-height: 70vh; }
    .hero-content h1 { font-size: 2.5rem; }
    .hero-content p { font-size: 1.1rem; }

    .stats-widgets, .success-stories-grid, .external-links-grid {
        grid-template-columns: 1fr;
    }
    .footer-nav, .footer-social { flex-direction: column; gap: var(--spacing-sm); }
    .contact-section .contact-form { padding: var(--spacing-lg); }
}

@media (max-width: 576px) {
    html { font-size: 15px; }
    h1 { font-size: 2.2rem; }
    h2 { font-size: 1.8rem; }
    .hero-content h1 { font-size: 2.2rem; }
    .hero-content p { font-size: 1rem; }


    .container { width: 95%; }
    .content-section { padding: var(--spacing-lg) 0; }
    .content-section:first-of-type,
    .page-section.first-on-page {
        padding-top: calc(var(--header-height) + var(--spacing-lg));
    }
     .privacy-page-main .content-section,
    .terms-page-main .content-section,
    .about-page-main .content-section,
    .contacts-page-main .content-section,
    .success-page-main .content-section {
        padding-top: calc(var(--header-height) + var(--spacing-sm)) !important;
    }

    .section-title { font-size: 2rem; }
    .btn, button, input[type="submit"] {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.95rem;
    }
}