:root {
    --color_white: #ffffff;
    --color_light_green: #f3f9f6;
    --color_ink_green: #1d3a2e;
    --color_black: #1b2320;
    --color_dark_green: #3f7c62;
    --color_dark_gray: #55635d;
    --color_light_gray: #888888;
    --color_accent_green: #a8d4bd;
    --color_white_gray: #e3ede8;
    --font_family: 'Segoe UI', Roboto, -apple-system, Helvetica, Arial, sans-serif;
    --weight_regular: 400;
    --weight_semibold: 600;
    --weight_bold: 700;
    --weight_extrabold: 800;
    --line_body: 1.8;
    --line_heading: 1.2;
    --line_hero_title: 1.18;
    --line_section: 1.25;
    --spacing_body: 0.015rem;
    --spacing_hero_title: 0.8rem;
    --spacing_hero_h1: -0.02em;
    --spacing_eyebrow: 0.16em;
    --spacing_card_mark: 0.12em;
    --spacing_name: 0.2rem;
    --font_navbar_logo: 1.2rem;
    --font_navbar_item: 0.95rem;
    --font_hero_title: clamp(2.2rem, 5.2vw, 3.5rem);
    --font_hero_eyebrow: 0.76rem;
    --font_hero_content: 1.13rem;
    --font_hero_desc: 1.05rem;
    --font_hero_link: 0.95rem;
    --font_hero_note: 0.9rem;
    --font_main_title: 3rem;
    --font_main_subtitle: 1.6rem;
    --font_main_section: clamp(1.7rem, 3.4vw, 2.3rem);
    --font_main_content: 1.1rem;
    --font_main_explain: 0.98rem;
    --font_main_card_title: 1.18rem;
    --font_main_tool_title: 1.45rem;
    --font_main_tool_kicker: 0.95rem;
    --font_main_date: 0.85rem;
    --font_main_project: 1.35rem;
    --font_main_name: 4.8rem;
    --font_main_waiting: 3rem;
    --font_footer: 0.92rem;
    --font_button: 0.98rem;
    --container_max: 1200px;
    --container_padding: 2rem;
    --section_padding: 5rem;
    --radius_sm: 6px;
    --radius_md: 14px;
    --radius_pill: 999px;
    --radius_icon: 18px;
    --shadow_card: 0 18px 40px rgba(29, 58, 46, 0.08);
    --shadow_primary: 0 10px 24px rgba(63, 124, 98, 0.28);
    --shadow_hero_img: 0 24px 40px rgba(29, 58, 46, 0.16);
    --transition_fast: 0.18s ease;
    --transition_base: 0.22s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font_family);
    color: var(--color_black);
    background-color: var(--color_light_green);
    line-height: var(--line_body);
    font-weight: var(--weight_regular);
    letter-spacing: var(--spacing_body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transition: opacity 0.28s ease;
}

body.home_page {
    background-color: var(--color_white);
}

body.load_in {
    opacity: 1;
}

body.fade_out {
    opacity: 0;
}

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

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

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: var(--weight_bold);
    line-height: var(--line_heading);
    color: var(--color_black);
}

p {
    color: var(--color_dark_gray);
}

.wrap {
    max-width: var(--container_max);
    margin: 0 auto;
    padding: 0 var(--container_padding);
    width: 100%;
}

main {
    max-width: var(--container_max);
    margin: 0 auto;
    padding: 4rem var(--container_padding);
    flex: 1;
    width: 100%;
}

main.form_wrap {
    max-width: 800px;
}

header {
    position: sticky;
    top: 0;
    background: var(--color_white);
    border-bottom: 1px solid var(--color_white_gray);
    z-index: 999;
}

.nav_container {
    max-width: var(--container_max);
    margin: 0 auto;
    padding: 1rem var(--container_padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site_header .header_inner {
    max-width: var(--container_max);
    margin: 0 auto;
    padding: 0.7rem var(--container_padding);
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.1rem;
    font-weight: var(--weight_bold);
    color: var(--color_ink_green);
    text-decoration: none;
}

.brand img {
    width: 36px;
    height: 36px;
}

.logo_text {
    font-size: var(--font_navbar_logo);
    font-weight: var(--weight_bold);
    color: var(--color_dark_green);
    display: inline-block;
    transition: var(--transition_base);
}

.logo_text:hover {
    opacity: 0.75;
}

nav ul {
    display: flex;
    gap: 2.2rem;
    align-items: center;
}

nav a {
    color: var(--color_black);
    font-weight: var(--weight_regular);
    font-size: var(--font_navbar_item);
    transition: var(--transition_base);
    display: inline-block;
    transform: translateY(0px);
}

nav a:hover,
nav a.active {
    color: var(--color_dark_green);
    font-weight: var(--weight_semibold);
    transform: translateY(-2px);
}

.header_nav {
    margin-left: auto;
    display: flex;
    gap: 1.6rem;
    align-items: center;
}

.header_nav a {
    color: var(--color_dark_gray);
    font-size: var(--font_navbar_item);
    transition: color var(--transition_fast);
}

.header_nav a:hover {
    color: var(--color_dark_green);
}

.hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(170deg, #f6fbf8 0%, var(--color_white) 70%);
}

.hero.hero_centered {
    min-height: calc(100vh - 70px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem var(--container_padding);
}

.hero_glow {
    position: absolute;
    top: -220px;
    right: -160px;
    width: 620px;
    height: 620px;
    background: radial-gradient(circle, rgba(115, 168, 140, 0.35), rgba(115, 168, 140, 0) 68%);
    pointer-events: none;
}

.hero_inner {
    position: relative;
    max-width: var(--container_max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3rem;
    align-items: center;
    padding: 5.5rem var(--container_padding);
}

.hero_copy {
    z-index: 1;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: var(--spacing_eyebrow);
    font-size: var(--font_hero_eyebrow);
    color: var(--color_dark_green);
    font-weight: var(--weight_bold);
    margin-bottom: 1rem;
}

.hero_copy h1 {
    font-size: var(--font_hero_title);
    line-height: var(--line_hero_title);
    font-weight: var(--weight_bold);
    letter-spacing: var(--spacing_hero_h1);
}

.hero_copy h1 em {
    font-style: normal;
    color: var(--color_dark_green);
}

.hero_title {
    font-size: 3.2rem;
    font-weight: var(--weight_extrabold);
    letter-spacing: var(--spacing_hero_title);
    margin-bottom: 1.2rem;
    line-height: var(--line_heading);
}

.lead {
    font-size: var(--font_hero_content);
    color: var(--color_dark_gray);
    margin-top: 1.3rem;
    max-width: 34rem;
    line-height: var(--line_body);
}

.hero_desc {
    max-width: 620px;
    margin: 0 auto 2.8rem;
    color: var(--color_dark_gray);
    font-size: var(--font_hero_desc);
    line-height: var(--line_body);
}

.cta_row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 2rem;
}

.btn_group {
    display: flex;
    gap: 1.2rem;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.hero_note {
    font-size: var(--font_hero_note);
    color: var(--color_dark_gray);
    margin-top: 1.1rem;
}

.hero_more_link {
    margin-top: 2rem;
    font-size: var(--font_hero_link);
}

.hero_more_link a {
    color: var(--color_dark_green);
    font-weight: var(--weight_semibold);
    border-bottom: 1px solid transparent;
}

.hero_more_link a:hover {
    border-bottom-color: var(--color_dark_green);
}

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

.hero_art img {
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    filter: drop-shadow(var(--shadow_hero_img));
    animation: float 7s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-16px); }
}

.hero_logo {
    width: 180px;
    height: 180px;
    margin: 0 auto 2rem;
    object-fit: contain;
}

.cursor_glow {
    display: none;
}

.btn {
    display: inline-block;
    padding: 0.85rem 1.7rem;
    border-radius: var(--radius_pill);
    font-weight: var(--weight_semibold);
    font-size: var(--font_button);
    text-decoration: none;
    border: 1px solid transparent;
    transition: transform var(--transition_fast), box-shadow var(--transition_fast),
                background var(--transition_fast), color var(--transition_fast);
    white-space: nowrap;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn_primary {
    background: var(--color_dark_green);
    color: var(--color_white);
    box-shadow: var(--shadow_primary);
}

.btn_primary:hover {
    background: #35674f;
}

.btn_outline {
    background: var(--color_white);
    color: var(--color_black);
    border-color: var(--color_white_gray);
}

.btn_outline:hover {
    border-color: var(--color_dark_green);
    color: var(--color_dark_green);
}

.btn_ghost {
    background: transparent;
    color: var(--color_dark_green);
    border-color: var(--color_accent_green);
}

.btn_ghost:hover {
    background: var(--color_light_green);
}

.btn_light {
    background: var(--color_white);
    color: var(--color_ink_green);
}

.btn_small {
    padding: 0.55rem 1.15rem;
    font-size: 0.9rem;
    background: var(--color_dark_green);
    color: var(--color_white);
}

.btn_block {
    display: block;
    text-align: center;
    margin-top: auto;
}

.tutorial_btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: var(--radius_pill);
    border: 1px solid var(--color_dark_green);
    color: var(--color_dark_green);
    background: transparent;
    font-weight: var(--weight_semibold);
    font-size: var(--font_button);
    transition: var(--transition_base);
    white-space: nowrap;
}

.tutorial_btn:hover {
    background: var(--color_dark_green);
    color: var(--color_white);
    transform: translateY(-2px);
}

.bottom_link {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: var(--radius_pill);
    border: 1px solid var(--color_dark_green);
    color: var(--color_dark_green);
    background: transparent;
    font-weight: var(--weight_semibold);
    font-size: 1.05rem;
    transition: var(--transition_base);
}

.bottom_link:hover {
    background: var(--color_dark_green);
    color: var(--color_white);
    transform: translateY(-2px);
}

.bottom_link_wrap {
    margin-top: 4rem;
    text-align: center;
}

.cta_button {
    display: inline-block;
    padding: 0.75rem 1.8rem;
    background: var(--color_dark_green);
    color: var(--color_white);
    border-radius: var(--radius_pill);
    font-size: 0.95rem;
    font-weight: var(--weight_semibold);
    transition: var(--transition_base);
    white-space: nowrap;
}

.cta_button:hover {
    background: #35674f;
    transform: translateY(-2px);
    box-shadow: var(--shadow_primary);
}

.submit_btn {
    padding: 0.85rem 2.4rem;
    background: var(--color_dark_green);
    color: var(--color_white);
    border: none;
    border-radius: var(--radius_pill);
    font-size: var(--font_button);
    font-weight: var(--weight_semibold);
    cursor: pointer;
    transition: var(--transition_base);
}

.submit_btn:hover {
    background: #35674f;
    transform: translateY(-2px);
    box-shadow: var(--shadow_primary);
}

.section {
    padding: var(--section_padding) 0;
}

.section_alt {
    background-color: var(--color_light_green);
}

.section_dark {
    background: linear-gradient(140deg, #24503f 0%, var(--color_ink_green) 100%);
    color: var(--color_white);
}

.section_dark .section_title,
.section_dark h2,
.section_dark h3 {
    color: var(--color_white);
}

.section_dark .section_sub,
.section_dark p {
    color: rgba(255, 255, 255, 0.8);
}

.section_title {
    font-size: var(--font_main_section);
    line-height: var(--line_section);
    letter-spacing: -0.015em;
    font-weight: var(--weight_bold);
}

.section_sub {
    color: var(--color_dark_gray);
    margin-top: 0.9rem;
    max-width: 46rem;
    font-size: 1.05rem;
    line-height: var(--line_body);
}

.section_title.light { color: var(--color_white); }
.section_sub.light   { color: rgba(255, 255, 255, 0.8); }

.stats {
    background: var(--color_ink_green);
    color: var(--color_white);
}

.stat_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    padding-top: 2.2rem;
    padding-bottom: 2.2rem;
    max-width: var(--container_max);
    margin: 0 auto;
}

.stat {
    text-align: center;
}

.stat_num {
    display: block;
    font-size: 2rem;
    font-weight: var(--weight_bold);
    color: var(--color_accent_green);
    line-height: 1.2;
}

.stat_label {
    display: block;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.78);
}

.page_title {
    font-size: var(--font_main_title);
    font-weight: var(--weight_extrabold);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color_white_gray);
    line-height: var(--line_heading);
}

.page_title_single {
    font-size: 3.2rem;
    font-weight: var(--weight_extrabold);
    margin-bottom: 3rem;
    line-height: var(--line_heading);
}

.page_title_row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color_white_gray);
    gap: 2rem;
}

.page_title_row .page_title {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.publishing_date {
    font-size: 1.1rem;
    color: var(--color_light_gray);
    margin-bottom: 3rem;
}

.sub_title {
    font-size: var(--font_main_subtitle);
    font-weight: var(--weight_bold);
    margin-bottom: 1.5rem;
}

.tutorial_sub {
    font-size: var(--font_main_subtitle);
    font-weight: var(--weight_bold);
    margin-bottom: 1.5rem;
}

.top_section_title {
    font-size: 1.4rem;
    font-weight: var(--weight_semibold);
    margin-bottom: 2rem;
    color: var(--color_dark_green);
}

.list_section_title {
    font-size: 1.4rem;
    font-weight: var(--weight_bold);
    margin: 4rem 0 2rem;
    color: var(--color_black);
}

.sidebar_title {
    font-size: 1.6rem;
    font-weight: var(--weight_bold);
    margin-bottom: 1.2rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid var(--color_white_gray);
}

.waiting_text {
    font-size: var(--font_main_waiting);
    font-weight: var(--weight_extrabold);
    color: var(--color_black);
}

.card_grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2.6rem;
}

.tool_grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.8rem;
    margin-top: 2.6rem;
}

.who_grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.3rem;
    margin-top: 2.4rem;
}

.who {
    border-top: 3px solid var(--color_dark_green);
    padding-top: 1.1rem;
}

.who h3 {
    font-size: 1.08rem;
    margin-bottom: 0.35rem;
}

.who p {
    color: var(--color_dark_gray);
    font-size: 0.96rem;
}

.grid_container,
.tools_grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 3rem;
}

.content_wrap,
.content_container {
    display: grid;
    grid-template-columns: 70% 30%;
    gap: 3rem;
    align-items: flex-start;
}

.content_wrap { margin-bottom: 4rem; }
.content_wrap.split_1_1 {
    grid-template-columns: 1fr 1fr;
}

.main_wrap {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 4rem;
    align-items: flex-start;
}

.page_wrap {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 4rem;
    align-items: flex-start;
}

.header_row {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 4rem;
    align-items: flex-start;
    margin-bottom: 4rem;
}

.download_tutorial_row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}

.triple_img_row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
    margin: 3rem 0 4rem;
}

.thank_wrap {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 4rem;
    align-items: center;
}

.content_container_author {
    display: grid;
    grid-template-columns: 60% 40%;
    gap: 3rem;
}

.card {
    background: var(--color_white);
    border: 1px solid var(--color_white_gray);
    border-radius: var(--radius_md);
    padding: 1.8rem;
    transition: transform var(--transition_base), box-shadow var(--transition_base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow_card);
}

.card_mark {
    font-size: 0.82rem;
    font-weight: var(--weight_bold);
    letter-spacing: var(--spacing_card_mark);
    color: var(--color_dark_green);
    margin-bottom: 0.7rem;
}

.card h3 {
    font-size: var(--font_main_card_title);
    margin-bottom: 0.5rem;
}

.card p {
    color: var(--color_dark_gray);
    font-size: var(--font_main_explain);
}

.grid_container .card,
.tools_grid .card {
    background: transparent;
    border: none;
    padding: 0;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
    min-height: 240px;
}

.grid_container .card:hover,
.tools_grid .card:hover {
    box-shadow: none;
}

.tool_card {
    background: var(--color_white);
    border: 1px solid var(--color_white_gray);
    border-radius: var(--radius_md);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition_base), box-shadow var(--transition_base);
}

.tool_card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow_card);
}

.tool_icon {
    width: 84px;
    height: 84px;
    border-radius: var(--radius_icon);
    margin: 0 auto 1.1rem auto;
    object-fit: contain;
}

.tool_card h3 {
    font-size: var(--font_main_tool_title);
}

.tool_kicker {
    color: var(--color_dark_green);
    font-weight: var(--weight_semibold);
    font-size: var(--font_main_tool_kicker);
    margin-bottom: 0.8rem;
}

.tool_card > p {
    color: var(--color_dark_gray);
}

.tick_list {
    list-style: none;
    margin: 1.2rem 0 1.8rem;
}

.tick_list li {
    position: relative;
    padding-left: 1.6rem;
    color: var(--color_dark_gray);
    font-size: 0.96rem;
    margin-bottom: 0.35rem;
}

.tick_list li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--color_dark_green);
    font-weight: var(--weight_bold);
}

.link_card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1.8rem;
    transition: var(--transition_base);
}

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

.link_icon {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.link_name {
    font-size: 1rem;
    font-weight: var(--weight_semibold);
    text-align: center;
    color: var(--color_dark_gray);
}

.card_img {
    width: 140px;
    height: 140px;
    object-fit: contain;
}

.card_head,
.tool_name {
    font-size: 1.1rem;
    font-weight: var(--weight_semibold);
    text-align: center;
    color: var(--color_black);
}

.card_date {
    font-size: var(--font_main_date);
    color: var(--color_light_gray);
    text-align: center;
}

.card_base {
    background: var(--color_white);
    padding: 2.5rem;
    border: 1px solid var(--color_white_gray);
    border-radius: var(--radius_md);
    transition: var(--transition_base);
}

.card_base:hover {
    box-shadow: var(--shadow_card);
}

.card_base h2 {
    font-size: 2.6rem;
    font-weight: var(--weight_bold);
    margin-bottom: 2rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid var(--color_white_gray);
}

.sidebar_panel {
    background: var(--color_white);
    padding: 2rem;
    border: 1px solid var(--color_white_gray);
    border-radius: var(--radius_md);
    height: fit-content;
    transition: var(--transition_base);
}

.sidebar_panel:hover {
    box-shadow: var(--shadow_card);
}

.sidebar_desc {
    font-size: 0.95rem;
    color: var(--color_dark_gray);
    margin-bottom: 2rem;
}

.form_card {
    background: var(--color_white);
    padding: 2.8rem;
    border: 1px solid var(--color_white_gray);
    border-radius: var(--radius_md);
}

.text_block {
    font-size: var(--font_main_content);
    line-height: 1.9;
    margin-bottom: 2.5rem;
    color: var(--color_dark_gray);
}

.article_text,
.article_paragraph {
    font-size: 1.15rem;
    line-height: 1.9;
    margin-bottom: 1.8rem;
    color: var(--color_dark_gray);
}

.article_text a,
.article_paragraph a,
.text_block a {
    color: var(--color_dark_green);
    font-weight: var(--weight_semibold);
    border-bottom: 1px solid var(--color_accent_green);
}

.article_text a:hover,
.article_paragraph a:hover,
.text_block a:hover {
    border-bottom-color: var(--color_dark_green);
}

.ending_line {
    font-size: 1.25rem;
    font-weight: var(--weight_semibold);
    margin-top: 3rem;
    color: var(--color_black);
}

.ending_line a {
    color: var(--color_dark_green);
    border-bottom: 1px solid transparent;
}

.ending_line a:hover {
    border-bottom-color: var(--color_dark_green);
}

.download_link {
    font-size: 1.15rem;
    font-weight: var(--weight_semibold);
    color: var(--color_dark_green);
}

.thank_desc {
    font-size: 1rem;
    color: var(--color_dark_gray);
    margin-bottom: 2rem;
}

.name_display {
    font-size: var(--font_main_name);
    font-weight: var(--weight_extrabold);
    letter-spacing: var(--spacing_name);
    margin-top: 40px;
    line-height: var(--line_heading);
}

.info_unit {
    margin-bottom: 2.2rem;
}

.info_unit h3 {
    font-size: 1.4rem;
    font-weight: var(--weight_semibold);
    margin-bottom: 1rem;
    color: var(--color_dark_green);
}

.info_unit p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color_dark_gray);
    margin-bottom: 0.3rem;
}

.contact_item {
    margin-bottom: 1.2rem;
    font-size: 1rem;
    color: var(--color_dark_gray);
}

.contact_item strong {
    color: var(--color_black);
}

.tool_preview_img,
.article_img,
.side_img_box img,
.thank_img,
.side_image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: var(--radius_md);
}

.side_img_box {
    max-width: 300px;
}

.portrait_box img {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 50%;
    display: block;
    aspect-ratio: 1 / 1;
}

.donate_image_group {
    margin: 1.8rem 0;
    text-align: center;
}

.donate_image_group img {
    max-width: 220px;
    width: 100%;
    height: auto;
    object-fit: contain;
    display: inline-block;
}

.email_img {
    height: 60px;
    vertical-align: middle;
    display: inline-block;
    width: auto;
}

.older_releases_list {
    list-style: none;
}

.older_releases_list li {
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.older_releases_list a {
    color: var(--color_dark_green);
    font-weight: var(--weight_semibold);
    border-bottom: 1px solid transparent;
}

.older_releases_list a:hover {
    border-bottom-color: var(--color_dark_green);
}

.version0_link {
    margin-left: 1.2rem;
    font-size: 0.9rem;
    color: var(--color_light_gray);
}

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

.project_row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.1rem 0;
    border-bottom: 1px solid var(--color_white_gray);
    transition: var(--transition_base);
}

.project_row:hover {
    padding-left: 0.5rem;
}

.project_row_title {
    font-size: var(--font_main_project);
    font-weight: var(--weight_semibold);
    color: var(--color_black);
    transition: var(--transition_base);
}

.project_row_title:hover {
    color: var(--color_dark_green);
}

.project_row_date {
    font-size: var(--font_main_date);
    color: var(--color_light_gray);
    white-space: nowrap;
    margin-left: 2rem;
    flex-shrink: 0;
}

.service_inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
}

.service_list {
    list-style: none;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius_md);
    padding: 1.6rem 1.8rem;
}

.service_list li {
    padding: 0.55rem 0 0.55rem 1.7rem;
    position: relative;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
}

.service_list li:last-child {
    border-bottom: none;
}

.service_list li::before {
    content: "\2192";
    position: absolute;
    left: 0;
    color: var(--color_accent_green);
}

.form_group {
    margin-bottom: 2rem;
}

.form_label {
    font-size: 1.15rem;
    margin-bottom: 0.6rem;
    display: block;
    color: var(--color_black);
}

.form_desc {
    font-size: 0.9rem;
    color: var(--color_light_gray);
    margin-bottom: 0.8rem;
}

.radio_group {
    display: flex;
    gap: 2.5rem;
    margin-top: 0.6rem;
}

.radio_item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.05rem;
    color: var(--color_dark_gray);
    cursor: pointer;
}

input[type="text"],
input[type="email"],
input[type="file"],
textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid var(--color_white_gray);
    border-radius: var(--radius_sm);
    font-size: 1rem;
    font-family: var(--font_family);
    background: var(--color_white);
    color: var(--color_black);
    transition: var(--transition_base);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="file"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--color_dark_green);
    box-shadow: 0 0 0 3px rgba(63, 124, 98, 0.15);
}

textarea {
    min-height: 180px;
    resize: vertical;
}

.honeypot {
    display: none;
    visibility: hidden;
    position: absolute;
    width: 0;
    height: 0;
    pointer-events: none;
}

.author_inner {
    max-width: 46rem;
}

.author_copy p {
    color: var(--color_dark_gray);
    margin-top: 1rem;
}

.author_copy strong {
    color: var(--color_black);
}

.final_cta {
    background: var(--color_light_green);
    text-align: center;
    padding: 4.5rem 0;
    border-top: 1px solid var(--color_white_gray);
}

.final_cta h2 {
    font-size: clamp(1.6rem, 3.2vw, 2.2rem);
}

.final_cta p {
    color: var(--color_dark_gray);
    margin: 0.8rem 0 1.8rem;
}

footer {
    background: var(--color_ink_green);
    color: var(--color_white);
    border-top: none;
    padding: 1.8rem;
    text-align: center;
    font-size: 0.88rem;
    flex-shrink: 0;
}

footer p {
    color: var(--color_white);
    opacity: 0.9;
}

.site_footer {
    background: var(--color_ink_green);
    color: rgba(255, 255, 255, 0.75);
    padding: 2.2rem 0;
    font-size: var(--font_footer);
}

.footer_inner {
    max-width: var(--container_max);
    margin: 0 auto;
    padding: 0 var(--container_padding);
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: space-between;
    align-items: center;
}

.footer_links a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    margin-right: 1.2rem;
}

.footer_links a:hover {
    color: var(--color_white);
    text-decoration: underline;
}

.reveal {
    opacity: 1;
    transform: none;
}
.work-card {
    background: var(--color_white);
    border: 1px solid var(--color_white_gray);
    border-radius: var(--radius_md);
    padding: 1.8rem;
    transition: transform var(--transition_base), box-shadow var(--transition_base);
}
.work-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow_card);
}
.work-card .card_head {
    display: block;
    text-align: left;
    margin-bottom: 0.6rem;
}
.work-card .card_date {
    text-align: left;
}

@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    .hero_art img { animation: none; }
    html { scroll-behavior: auto; }
}

@media (max-width: 900px) {
    .header_nav { display: none; }
    .header_inner { justify-content: space-between; }
    .brand { margin-right: auto; }
    nav ul { gap: 1.2rem; }
    .hero_inner {
        grid-template-columns: 1fr;
        padding-top: 3.5rem;
        padding-bottom: 3.5rem;
        text-align: center;
    }
    .hero_art { order: -1; }
    .hero_art img { max-width: 260px; }
    .lead { margin-left: auto; margin-right: auto; }
    .cta_row { justify-content: center; }
    .btn_group { justify-content: center; }
    .card_grid,
    .tool_grid,
    .service_inner {
        grid-template-columns: 1fr;
    }
    .who_grid { grid-template-columns: repeat(2, 1fr); }
    .stat_grid { grid-template-columns: repeat(2, 1fr); }
    .content_wrap,
    .content_container,
    .content_container_author,
    .main_wrap,
    .page_wrap,
    .thank_wrap {
        grid-template-columns: 1fr;
    }
    .content_wrap.split_1_1 { grid-template-columns: 1fr; }
    .header_row {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .download_tutorial_row { grid-template-columns: 1fr; }
    .triple_img_row { grid-template-columns: 1fr; gap: 1.5rem; }
    .sidebar_panel { margin-top: 3rem; }
    .side_image { order: -1; margin-bottom: 2rem; }
    .section { padding: 3.5rem 0; }
    .name_display { font-size: 3rem; margin-top: 30px; }
}

@media (max-width: 768px) {
    .page_title { font-size: 2.2rem; }
    .page_title_single { font-size: 2.2rem; white-space: normal; }
    .hero_title { font-size: 2.2rem; letter-spacing: 0.4rem; }
    .hero_logo { width: 140px; height: 140px; }
    .card_img { width: 130px; height: 130px; }
    .tool_icon { width: 72px; height: 72px; }
    .waiting_text { font-size: 2rem; }
    .name_display { font-size: 2.4rem; }
    .card_base h2 { font-size: 2rem; }
    .page_title_row {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
    .radio_group {
        flex-direction: column;
        gap: 0.8rem;
    }
    .cta_button {
        font-size: 0.95rem;
        padding: 0.75rem 1.8rem;
    }
    .who_grid { grid-template-columns: 1fr; }
    .footer_inner {
        flex-direction: column;
        text-align: center;
    }
    nav ul {
        gap:0.8rem;
    }
}