/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: 'Lora', Georgia, serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.75;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* ===== CSS VARIABLES ===== */
:root {
    --bg: #f8f6f1;
    --bg-alt: #edeae2;
    --surface: #ffffff;
    --text: #1c1a15;
    --text-muted: #6b6456;
    --accent: #2a5c8f;
    --accent-light: #d6e8f7;
    --accent-warm: #c47e3a;
    --border: #d5cfc3;
    --shadow: 0 4px 24px rgba(28, 26, 21, .10);
    --shadow-sm: 0 2px 8px rgba(28, 26, 21, .07);
    --radius: 6px;
    --max-w: 1140px;
    --gap: 2rem;
}

/* ===== TYPOGRAPHY ===== */
h1,
h2,
h3 {
    font-family: 'Playfair Display', Georgia, serif;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.6rem, 6vw, 5rem);
}

h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
}

h3 {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    font-weight: 600;
    margin-bottom: .6rem;
}

p {
    margin-bottom: 1rem;
}

p:last-child {
    margin-bottom: 0;
}

strong {
    font-weight: 600;
    color: var(--text);
}

/* ===== LAYOUT ===== */
.container {
    width: 100%;
    max-width: var(--max-w);
    margin-inline: auto;
    padding-inline: 1.5rem;
}

.section {
    padding: 80px 0;
}

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

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

.section__grid--reverse {
    direction: rtl;
}

.section__grid--reverse>* {
    direction: ltr;
}

.section__tag {
    display: inline-block;
    font-family: 'Lora', serif;
    font-size: .75rem;
    font-style: italic;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--accent-warm);
    border-bottom: 1px solid var(--accent-warm);
    padding-bottom: 2px;
    margin-bottom: 1rem;
}

.section__title {
    margin-bottom: 1.5rem;
    color: var(--text);
}

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

.section__lead {
    text-align: center;
    max-width: 680px;
    margin-inline: auto;
    margin-bottom: 3rem;
    font-size: 1.05rem;
    color: var(--text-muted);
    font-style: italic;
}

.section__text h3 {
    margin-top: 1.75rem;
    color: var(--accent);
}

.section__figure {
    margin: 0;
}

.section__img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

/* ===== NAVIGATION ===== */
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

.nav__logo {
    font-family: 'Playfair Display', serif;
    font-size: 1rem;
    color: #fff;
    letter-spacing: .04em;
    text-shadow: 0 1px 6px rgba(0, 0, 0, .4);
    white-space: nowrap;
}

.nav__links {
    display: flex;
    gap: 1.6rem;
    flex-wrap: wrap;
}

.nav__links a {
    font-size: .82rem;
    color: rgba(255, 255, 255, .9);
    letter-spacing: .06em;
    text-transform: uppercase;
    font-family: 'Lora', serif;
    font-style: italic;
    transition: color .2s;
}

.nav__links a:hover {
    color: #fff;
}

.nav__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav__burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    transition: all .25s;
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: #1a2c3e;
}

.hero__bg-lines {
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(-55deg,
            transparent,
            transparent 60px,
            rgba(255, 255, 255, .025) 60px,
            rgba(255, 255, 255, .025) 61px);
    z-index: 1;
}

.hero__image-wrap {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 30%;
    opacity: .38;
    filter: saturate(.6) brightness(.8);
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: var(--max-w);
    width: 100%;
    margin-inline: auto;
    padding: 8rem 1.5rem 4rem;
}

.hero__label {
    font-family: 'Lora', serif;
    font-style: italic;
    font-size: .85rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--accent-light);
    margin-bottom: 1rem;
}

.hero__title {
    color: #fff;
    font-size: clamp(3rem, 8vw, 6.5rem);
    font-weight: 700;
    line-height: 1.0;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 20px rgba(0, 0, 0, .35);
}

.hero__title em {
    display: block;
    font-style: italic;
    color: var(--accent-light);
    font-weight: 400;
}

.hero__subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, .82);
    max-width: 520px;
    margin-bottom: 2.5rem;
    font-style: italic;
}

.hero__cta {
    display: inline-block;
    padding: .85rem 2.2rem;
    background: var(--accent);
    color: #fff;
    font-family: 'Lora', serif;
    font-size: .9rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    border-radius: var(--radius);
    transition: background .2s, transform .2s;
    box-shadow: 0 4px 16px rgba(42, 92, 143, .4);
}

.hero__cta:hover {
    background: #1e4875;
    transform: translateY(-2px);
}

.hero__scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, .5);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    z-index: 2;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    50% {
        transform: translateX(-50%) translateY(8px);
    }
}

/* ===== FACTS BAR ===== */
.facts {
    background: var(--accent);
    padding: 1.5rem 0;
}

.facts__list {
    display: flex;
    gap: 0;
    justify-content: space-between;
    flex-wrap: wrap;
}

.facts__item {
    flex: 1;
    min-width: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: .75rem 1rem;
    border-right: 1px solid rgba(255, 255, 255, .15);
}

.facts__item:last-child {
    border-right: none;
}

.facts__value {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: #fff;
    line-height: 1;
}

.facts__label {
    font-size: .72rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .7);
    font-family: 'Lora', serif;
    margin-top: .3rem;
}

/* ===== ORIGIN CARD ===== */
.origin-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    border-top: 3px solid var(--accent);
}

.origin-card h3 {
    color: var(--accent);
    margin-bottom: 1.2rem;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.def-list {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: .4rem 1rem;
    font-size: .9rem;
}

.def-list dt {
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
}

.def-list dd {
    color: var(--text);
}

/* ===== APPEARANCE GRID ===== */
.appearance-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.appearance-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.75rem 1.5rem;
    box-shadow: var(--shadow-sm);
    border-bottom: 2px solid var(--accent-light);
    transition: transform .2s, box-shadow .2s;
}

.appearance-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.appearance-card__icon {
    font-size: 1.2rem;
    color: var(--accent);
    margin-bottom: .75rem;
}

.appearance-card h3 {
    color: var(--accent);
    font-size: 1rem;
}

.appearance-card p {
    font-size: .9rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

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

.photo-block__img {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: .75rem;
}

.photo-block figcaption {
    font-size: .82rem;
    color: var(--text-muted);
    font-style: italic;
}

/* ===== PRODUCTIVITY STATS ===== */
.productivity-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    align-content: start;
}

.stat-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border-left: 3px solid var(--accent);
    text-align: center;
}

.stat-card__num {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: .35rem;
}

.stat-card__desc {
    font-size: .82rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* ===== FEEDING GRID ===== */
.feeding-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.feeding-block {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
}

.feeding-block h3 {
    color: var(--accent);
    border-bottom: 1px solid var(--border);
    padding-bottom: .5rem;
    margin-bottom: 1rem;
}

/* ===== CHECK LIST ===== */
.check-list li {
    position: relative;
    padding-left: 1.4rem;
    margin-bottom: .55rem;
    font-size: .9rem;
    color: var(--text);
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent);
    font-weight: 700;
    font-size: .8rem;
}

.cross-list li::before {
    content: '✕';
    color: #c0392b;
}

/* ===== BREEDING TIMELINE ===== */
.breeding-timeline {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 800px;
    margin-inline: auto;
}

.timeline-item {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 1.25rem;
    align-items: start;
}

.timeline-item__marker {
    width: 48px;
    height: 48px;
    background: var(--accent);
    color: #fff;
    font-family: 'Playfair Display', serif;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(42, 92, 143, .35);
    margin-top: .2rem;
}

.timeline-item__content {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.4rem 1.6rem;
    box-shadow: var(--shadow-sm);
}

.timeline-item__content h3 {
    color: var(--accent);
    margin-bottom: .6rem;
}

.timeline-item__content p {
    font-size: .92rem;
    margin-bottom: 0;
}

/* ===== HEALTH GRID ===== */
.health-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.health-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
}

.health-card h3 {
    color: var(--accent);
    border-bottom: 1px solid var(--border);
    padding-bottom: .5rem;
    margin-bottom: 1rem;
}

.health-card--vaccine {
    border-top: 3px solid #c0392b;
}

.health-card--vaccine h3 {
    color: #c0392b;
}

.health-card--tips {
    border-top: 3px solid var(--accent-warm);
}

.health-card--tips h3 {
    color: var(--accent-warm);
}

/* ===== PROS & CONS ===== */
.pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 900px;
    margin-inline: auto;
}

.pros,
.cons {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.pros {
    border-top: 3px solid #2e7d4f;
}

.pros h3 {
    color: #2e7d4f;
    margin-bottom: 1rem;
}

.cons {
    border-top: 3px solid #c0392b;
}

.cons h3 {
    color: #c0392b;
    margin-bottom: 1rem;
}

.pros ul li,
.cons ul li {
    position: relative;
    padding-left: 1.4rem;
    margin-bottom: .55rem;
    font-size: .9rem;
}

.pros ul li::before {
    content: '+';
    position: absolute;
    left: 0;
    color: #2e7d4f;
    font-weight: 700;
}

.cons ul li::before {
    content: '–';
    position: absolute;
    left: 0;
    color: #c0392b;
    font-weight: 700;
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: var(--accent);
    padding: 80px 0;
}

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

.cta-section h2 {
    color: #fff;
    margin-bottom: 1rem;
}

.cta-section p {
    color: rgba(255, 255, 255, .82);
    font-size: 1.05rem;
    max-width: 500px;
    margin-inline: auto;
    margin-bottom: 2rem;
    font-style: italic;
}

.cta-section__btn {
    display: inline-block;
    padding: .9rem 2.4rem;
    background: #fff;
    color: var(--accent);
    font-family: 'Lora', serif;
    font-size: .9rem;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    border-radius: var(--radius);
    transition: background .2s, transform .2s;
}

.cta-section__btn:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--text);
    padding: 2.5rem 0;
}

.footer__inner {
    text-align: center;
    color: rgba(255, 255, 255, .6);
    font-size: .85rem;
    display: flex;
    flex-direction: column;
    gap: .5rem;
}

.footer__inner a {
    color: var(--accent-light);
    transition: color .2s;
}

.footer__inner a:hover {
    color: #fff;
}

.footer__inner strong {
    color: #fff;
}

/* ===== MOBILE NAV OVERLAY ===== */
.nav.nav--open .nav__links {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: rgba(20, 32, 48, .97);
    align-items: center;
    justify-content: center;
    gap: 2rem;
    z-index: 200;
}

.nav.nav--open .nav__links a {
    font-size: 1.2rem;
}

.nav.nav--open .nav__burger {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 300;
}

/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .55s ease, transform .55s ease;
}

.reveal.visible {
    opacity: 1;
    transform: none;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .section__grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .section__grid--reverse {
        direction: ltr;
    }

    .section__img {
        height: 300px;
    }

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

    .health-grid,
    .feeding-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .nav__links {
        display: none;
    }

    .nav__burger {
        display: flex;
    }

    .section {
        padding: 56px 0;
    }

    .hero__content {
        padding-top: 7rem;
        padding-bottom: 3rem;
    }

    .facts__list {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 0;
    }

    .facts__item {
        border-right: 1px solid rgba(255, 255, 255, .15);
        border-bottom: 1px solid rgba(255, 255, 255, .15);
    }

    .facts__item:nth-child(3),
    .facts__item:nth-child(5) {
        border-right: none;
    }

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

    .pros-cons {
        grid-template-columns: 1fr;
    }

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

    .origin-card {
        margin-top: 0;
    }

    .timeline-item {
        grid-template-columns: 40px 1fr;
        gap: 1rem;
    }

    .timeline-item__marker {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 40px 0;
    }

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

    .facts__item:nth-child(2n) {
        border-right: none;
    }

    .facts__item:nth-child(3) {
        border-right: 1px solid rgba(255, 255, 255, .15);
    }

    .hero__title {
        font-size: clamp(2.2rem, 12vw, 3.5rem);
    }

    .hero__cta {
        width: 100%;
        text-align: center;
    }

    .breeding-timeline {
        gap: 1rem;
    }

    .stat-card__num {
        font-size: 1.6rem;
    }

    .cta-section {
        padding: 48px 0;
    }

    .nav__logo {
        font-size: .85rem;
    }

    .def-list {
        grid-template-columns: 1fr;
        gap: .2rem;
    }

    .def-list dt {
        margin-top: .5rem;
    }
}