/* ABC Tarım - Modern Agricultural Theme */
:root {
    --green-900: #1b4332;
    --green-800: #2d6a4f;
    --green-600: #40916c;
    --green-400: #52b788;
    --green-200: #95d5b2;
    --green-100: #d8f3dc;
    --green-50: #f1f8f4;
    --red-accent: #e63946;
    --text: #1a2e1f;
    --text-muted: #5a6f60;
    --white: #ffffff;
    --shadow: 0 10px 40px rgba(27, 67, 50, 0.12);
    --shadow-lg: 0 20px 60px rgba(27, 67, 50, 0.18);
    --radius: 20px;
    --radius-lg: 32px;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --header-h: 80px;
    --font: 'Outfit', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    color: var(--text);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { width: min(1200px, 92%); margin: 0 auto; }

/* Floating background shapes */
.floating-shapes {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}
.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
    animation: floatShape 12s ease-in-out infinite;
}
.shape-1 { width: 400px; height: 400px; background: var(--green-200); top: -100px; right: -100px; }
.shape-2 { width: 300px; height: 300px; background: var(--green-100); bottom: 20%; left: -80px; animation-delay: -4s; }
.shape-3 { width: 250px; height: 250px; background: var(--green-400); top: 50%; right: 10%; animation-delay: -8s; opacity: 0.2; }
@keyframes floatShape {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -20px) scale(1.05); }
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(45,106,79,0.08);
    transition: var(--transition);
}
.site-header--overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: transparent;
    border-bottom: none;
    backdrop-filter: none;
}
.site-header--overlay.scrolled {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(45,106,79,0.08);
    box-shadow: var(--shadow);
}
.site-header--overlay .logo-text,
.site-header--overlay .main-nav a,
.site-header--overlay .header-phone,
.site-header--overlay .header-phone span,
.site-header--overlay .lang-switch a { color: var(--white); }
.site-header--overlay .lang-switch a { opacity: 0.7; }
.site-header--overlay .lang-switch a.active { opacity: 1; color: var(--white); }
.site-header--overlay .lang-divider { color: rgba(255, 255, 255, 0.45); opacity: 1; }
.site-header--overlay .header-phone svg { color: var(--white); }
.site-header--overlay.scrolled .logo-text,
.site-header--overlay.scrolled .main-nav a,
.site-header--overlay.scrolled .header-phone,
.site-header--overlay.scrolled .header-phone span,
.site-header--overlay.scrolled .lang-switch a { color: var(--text); }
.site-header--overlay.scrolled .lang-switch a { opacity: 0.5; }
.site-header--overlay.scrolled .lang-switch a.active { opacity: 1; color: var(--green-600); }
.site-header--overlay.scrolled .lang-divider { color: inherit; opacity: 0.3; }
.site-header--overlay.scrolled .header-phone svg { color: var(--green-600); }
.site-header--overlay .nav-toggle span { background: var(--white); }
.site-header--overlay.scrolled .nav-toggle span { background: var(--green-800); }

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
    gap: 1.5rem;
}
.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--green-800);
}
.logo-img { height: 48px; width: auto; }
.logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--red-accent), #c1121f);
    color: var(--white);
    border-radius: 12px;
    font-weight: 800;
    font-size: 1.3rem;
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}
.main-nav ul { display: flex; gap: 0.25rem; }
.main-nav a {
    padding: 0.5rem 1rem;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text);
    border-radius: 50px;
    transition: var(--transition);
}
.main-nav a:hover,
.main-nav a.active {
    background: var(--green-50);
    color: var(--green-800);
}
.header-actions { display: flex; align-items: center; gap: 1rem; }
.lang-switch {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.85rem;
    font-weight: 600;
}
.lang-switch a { opacity: 0.5; transition: var(--transition); }
.lang-switch a.active { opacity: 1; color: var(--green-600); }
.lang-divider { opacity: 0.3; }
.header-phone {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--green-800);
}
.header-phone svg { color: var(--green-600); }
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--green-800);
    border-radius: 2px;
    transition: var(--transition);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    font-family: var(--font);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}
.btn-primary {
    background: linear-gradient(135deg, var(--green-600), var(--green-800));
    color: var(--white);
    box-shadow: 0 4px 20px rgba(45,106,79,0.35);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(45,106,79,0.45);
}
.btn-outline {
    background: transparent;
    border-color: var(--green-600);
    color: var(--green-800);
}
.btn-outline:hover { background: var(--green-50); }
.btn-light {
    background: rgba(255,255,255,0.15);
    color: var(--white);
    border-color: rgba(255,255,255,0.4);
    backdrop-filter: blur(8px);
}
.btn-light:hover { background: rgba(255,255,255,0.25); }

/* Fullpage Hero Slider */
.hero-fullpage {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    margin-bottom: 0;
}
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1.2s ease;
    pointer-events: none;
}
.hero-slide.active { opacity: 1; pointer-events: auto; }
.hero-slide-media {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transform: scale(1.05);
    transition: transform 8s ease;
}
.hero-slide.active .hero-slide-media { transform: scale(1); }
.hero-slide video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(27,67,50,0.65) 0%, rgba(27,67,50,0.25) 50%, rgba(27,67,50,0.5) 100%);
}
.hero-content-wrap {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
    padding-top: var(--header-h);
}
.hero-content {
    max-width: 700px;
    color: var(--white);
    animation: fadeUp 1s ease forwards;
}
.hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    opacity: 0.9;
}
.hero-kicker svg { width: 18px; height: 18px; }
.hero-content h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1rem;
    text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.hero-content p {
    font-size: clamp(1rem, 2vw, 1.2rem);
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 540px;
}
.hero-buttons { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero-controls {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.6rem;
    z-index: 3;
}
.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.6);
    background: transparent;
    cursor: pointer;
    transition: var(--transition);
}
.hero-dot.active {
    background: var(--white);
    border-color: var(--white);
    transform: scale(1.2);
}
.hero-arrows {
    position: absolute;
    bottom: 2.5rem;
    right: 4%;
    display: flex;
    gap: 0.5rem;
    z-index: 3;
}
.hero-arrow {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.4);
    background: rgba(255,255,255,0.1);
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
    transition: var(--transition);
}
.hero-arrow:hover { background: rgba(255,255,255,0.25); }

.hero-field-divider,
.hero-grass-divider {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 5;
    line-height: 0;
    pointer-events: none;
}
.hero-field-divider svg,
.hero-grass-divider svg {
    width: 100%;
    height: clamp(60px, 8vw, 110px);
    display: block;
    vertical-align: bottom;
}
.about-section {
    position: relative;
    z-index: 2;
    background: linear-gradient(180deg, #f1f8f4 0%, var(--white) 48px);
    margin-top: -1px;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Section common */
.section {
    padding: 5rem 0;
    position: relative;
    z-index: 1;
}
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--green-600);
    margin-bottom: 0.75rem;
}
.section-label svg { width: 16px; height: 16px; }
.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--green-900);
    line-height: 1.2;
    margin-bottom: 1rem;
}
.section-bg-light { background: var(--green-50); }
.section-bg-pattern {
    background: var(--green-50);
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 5c-8 10-15 25-10 40 5-10 15-18 25-22-8-5-12-12-15-18z' fill='%2395d5b2' fill-opacity='0.08'/%3E%3C/svg%3E");
}

/* About section */
.about-section .about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.about-images {
    position: relative;
    min-height: 420px;
}
.about-img-main {
    width: 75%;
    height: 380px;
    border-radius: var(--radius-lg);
    object-fit: cover;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 2;
}
.about-img-secondary {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 55%;
    height: 260px;
    border-radius: var(--radius);
    object-fit: cover;
    border: 4px solid var(--white);
    box-shadow: var(--shadow);
    z-index: 3;
}
.about-img-placeholder {
    width: 75%;
    height: 380px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--green-200), var(--green-400));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}
.about-shape {
    position: absolute;
    top: -20px;
    left: -30px;
    width: 120px;
    height: 120px;
    border: 2px solid var(--green-200);
    border-radius: 50% 50% 50% 0;
    opacity: 0.5;
    animation: spinSlow 20s linear infinite;
}
@keyframes spinSlow { to { transform: rotate(360deg); } }
.about-content p { color: var(--text-muted); margin-bottom: 1.5rem; }
.check-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 2rem;
}
.check-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 500;
    font-size: 0.95rem;
}
.check-item span {
    width: 24px;
    height: 24px;
    background: var(--green-100);
    color: var(--green-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    flex-shrink: 0;
}
.about-cta-row {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.phone-cta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.phone-cta-icon {
    width: 48px;
    height: 48px;
    background: #ffd60a;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green-900);
}
.phone-cta strong { display: block; font-size: 1.1rem; color: var(--green-900); }

/* Why Us section */
.why-section { overflow: hidden; }
.why-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 3rem;
    align-items: center;
}
.why-image-wrap {
    position: relative;
}
.why-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 10px 120px 10px 120px;
    box-shadow: var(--shadow-lg);
}
.why-image-placeholder {
    width: 100%;
    height: 500px;
    border-radius: 10px 120px 10px 120px;
    background: linear-gradient(160deg, var(--green-400), var(--green-800));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
}
.why-deco-left, .why-deco-right {
    position: absolute;
    color: var(--green-200);
    pointer-events: none;
}
.why-deco-left { left: -60px; top: 10%; width: 80px; }
.why-deco-right { right: -40px; bottom: 10%; width: 60px; transform: rotate(30deg); }
.why-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}
.why-feature {
    padding: 1.25rem;
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: 0 4px 20px rgba(27,67,50,0.06);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}
.why-feature.visible {
    opacity: 1;
    transform: translateY(0);
}
.why-feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}
.why-feature-icon {
    width: 44px;
    height: 44px;
    color: var(--green-600);
    margin-bottom: 0.75rem;
}
.why-feature-icon svg { width: 100%; height: 100%; }
.why-feature h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--green-900);
    margin-bottom: 0.35rem;
}
.why-feature p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; }

/* Products */
.products-section .section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
}
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.product-card {
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(27,67,50,0.08);
    transition: var(--transition);
    position: relative;
}
.product-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 2px solid transparent;
    transition: var(--transition);
    pointer-events: none;
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.product-card:hover::before { border-color: var(--green-400); }
.product-card-img {
    height: 200px;
    background: var(--green-50);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.product-card-img img { max-height: 160px; object-fit: contain; }
.product-card-img .placeholder { font-size: 3rem; opacity: 0.4; }
.product-card-body {
    padding: 1.25rem;
    text-align: center;
}
.product-card-body h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--green-900);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.2rem;
}
.product-card-cat {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    line-height: 1.4;
}
.products-page-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 2.5rem;
    align-items: start;
}
.sidebar {
    background: var(--white);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
}
.sidebar h3 {
    font-size: 1.1rem;
    color: var(--green-900);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--green-100);
}
.search-box {
    display: flex;
    margin-bottom: 1.5rem;
    border-radius: 50px;
    overflow: hidden;
    border: 1px solid var(--green-100);
}
.search-box input {
    flex: 1;
    border: none;
    padding: 0.75rem 1rem;
    font-family: var(--font);
    outline: none;
}
.search-box button {
    width: 44px;
    background: var(--green-600);
    border: none;
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}
.category-list a {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--green-50);
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: var(--transition);
}
.category-list a:hover,
.category-list a.active {
    color: var(--green-800);
    padding-left: 0.5rem;
}
.category-list .category-child {
    padding-left: 1.25rem;
    font-size: 0.85rem;
}
.category-list .category-child:hover,
.category-list .category-child.active {
    padding-left: 1.5rem;
}
.category-list .count {
    background: var(--green-50);
    padding: 0.15rem 0.5rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}
.products-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Certificates */
.certificates-section { background: var(--green-900); color: var(--white); }
.certificates-section .section-title { color: var(--white); }
.certificates-section .section-label { color: var(--green-200); }
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
}
.cert-card {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(8px);
}
.cert-card:hover {
    background: rgba(255,255,255,0.14);
    transform: translateY(-4px);
}
.cert-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    background: rgba(149,213,178,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}
.cert-card h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.75rem; }
.cert-card a {
    font-size: 0.85rem;
    color: var(--green-200);
    text-decoration: underline;
}

/* Page hero (inner pages) */
.page-hero {
    background: linear-gradient(135deg, var(--green-800), var(--green-900));
    color: var(--white);
    padding: 8rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M50 10 C30 30, 20 60, 40 80 C55 65, 70 40, 50 10Z' fill='white' fill-opacity='0.03'/%3E%3C/svg%3E");
    opacity: 0.5;
}
.page-hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    position: relative;
}
.page-hero p { opacity: 0.85; margin-top: 0.5rem; position: relative; }
.page-hero-sub {
    font-size: clamp(0.95rem, 1.8vw, 1.15rem);
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    opacity: 0.9;
}

.product-detail-name {
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.35rem;
}
.product-detail-sub {
    font-size: clamp(0.95rem, 1.8vw, 1.2rem);
    font-weight: 600;
    color: var(--green-600);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin: 0 0 1.25rem;
    line-height: 1.4;
}
.product-card-sub {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--green-600);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1.4;
    margin-bottom: 0.25rem;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
}
.contact-info-card {
    background: var(--green-50);
    border-radius: var(--radius-lg);
    padding: 2rem;
}
.contact-info-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}
.contact-info-item > div { min-width: 0; flex: 1; }
.contact-info-item svg { color: var(--green-600); flex-shrink: 0; margin-top: 0.15rem; }
.contact-people {
    display: flex;
    flex-direction: column;
    gap: 1.35rem;
    margin-top: 0.75rem;
}
.contact-person {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.12rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1.35;
}
.contact-person-name {
    display: block;
    font-weight: 800;
    color: var(--green-900);
    font-size: 1.05rem;
}
.contact-person-title {
    display: block;
    font-weight: 600;
    color: var(--green-800);
    font-size: 0.9rem;
}
.contact-person-phone {
    display: block;
    font-weight: 700;
    color: var(--green-800);
    margin-top: 0.15rem;
}
.contact-form {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
    color: var(--green-900);
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--green-100);
    border-radius: 12px;
    font-family: var(--font);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--green-400);
    box-shadow: 0 0 0 3px rgba(82,183,136,0.15);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.alert {
    padding: 1rem 1.25rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}
.alert-success { background: var(--green-100); color: var(--green-900); }
.alert-error { background: #fee2e2; color: #991b1b; }

/* Catalog flipbook */
.catalog-flipbook {
    background: linear-gradient(180deg, var(--green-50) 0%, #eef4ea 100%);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem 2.5rem;
    text-align: center;
}

.catalog-flipbook__loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    min-height: 420px;
    color: var(--green-800);
}

.catalog-flipbook__spinner {
    width: 44px;
    height: 44px;
    border: 3px solid rgba(22, 101, 52, 0.15);
    border-top-color: var(--green-800);
    border-radius: 50%;
    animation: catalog-spin 0.8s linear infinite;
}

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

.catalog-flipbook__error {
    max-width: 420px;
    margin: 0 auto;
    color: #991b1b;
}

.catalog-flipbook__book-wrap[hidden],
.catalog-flipbook__loading[hidden] {
    display: none !important;
}

.catalog-flipbook__stage {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: min(72vh, 680px);
    padding: 1rem 0 1.5rem;
}

.catalog-flipbook__book {
    margin: 0 auto;
    filter: drop-shadow(0 18px 40px rgba(15, 46, 24, 0.22));
}

.catalog-flipbook__book .stf__parent {
    margin: 0 auto;
}

.catalog-flipbook__book .stf__block {
    border-radius: 2px;
    overflow: hidden;
}

.catalog-flipbook__book .stf__item img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: #fff;
}

.catalog-flipbook__controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    margin-top: 0.5rem;
}

.catalog-flipbook__nav {
    width: 46px;
    height: 46px;
    border: none;
    border-radius: 50%;
    background: var(--green-800);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease, opacity 0.2s ease;
    box-shadow: 0 8px 20px rgba(22, 101, 52, 0.25);
}

.catalog-flipbook__nav:hover:not(:disabled) {
    background: var(--green-900);
    transform: translateY(-1px);
}

.catalog-flipbook__nav:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    box-shadow: none;
}
.catalog-flipbook__fs .icon-collapse[hidden],
.catalog-flipbook__fs .icon-expand[hidden] {
    display: none;
}

html.catalog-fs-open,
html.catalog-fs-open body {
    overflow: hidden !important;
}
html.catalog-fs-open .reveal {
    transform: none !important;
}

.catalog-flipbook__book-wrap.is-fullscreen,
.catalog-flipbook__book-wrap:fullscreen,
.catalog-flipbook__book-wrap:-webkit-full-screen {
    position: fixed !important;
    inset: 0 !important;
    z-index: 5000;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    max-width: none;
    background: #102418;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 1.25rem 1.5rem 1.5rem;
    box-sizing: border-box;
    border-radius: 0;
    overflow: hidden;
}
.catalog-flipbook__book-wrap.is-fullscreen .catalog-flipbook__stage,
.catalog-flipbook__book-wrap:fullscreen .catalog-flipbook__stage,
.catalog-flipbook__book-wrap:-webkit-full-screen .catalog-flipbook__stage {
    flex: 1;
    min-height: 0;
    padding: 0.5rem 0 1rem;
    overflow: hidden;
}
.catalog-flipbook__book-wrap.is-fullscreen .catalog-flipbook__controls,
.catalog-flipbook__book-wrap:fullscreen .catalog-flipbook__controls,
.catalog-flipbook__book-wrap:-webkit-full-screen .catalog-flipbook__controls {
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}
.catalog-flipbook__book-wrap.is-fullscreen .catalog-flipbook__page,
.catalog-flipbook__book-wrap:fullscreen .catalog-flipbook__page,
.catalog-flipbook__book-wrap:-webkit-full-screen .catalog-flipbook__page,
.catalog-flipbook__book-wrap.is-fullscreen .catalog-flipbook__hint,
.catalog-flipbook__book-wrap:fullscreen .catalog-flipbook__hint,
.catalog-flipbook__book-wrap:-webkit-full-screen .catalog-flipbook__hint {
    color: rgba(255, 255, 255, 0.9);
}

.catalog-flipbook__page {
    min-width: 110px;
    font-weight: 600;
    color: var(--green-900);
    font-size: 0.95rem;
}

.catalog-flipbook__hint {
    margin: 1rem 0 0;
    font-size: 0.85rem;
    color: var(--green-800);
}

.catalog-flipbook__download {
    margin: 1.75rem 0 0;
}

@media (max-width: 768px) {
    .catalog-flipbook {
        padding: 1.25rem 0.75rem 2rem;
    }

    .catalog-flipbook__stage {
        min-height: 58vh;
        padding-bottom: 1rem;
    }

    .catalog-flipbook__book {
        filter: drop-shadow(0 10px 24px rgba(15, 46, 24, 0.18));
    }
}

/* Product detail */
.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}
.product-detail-img {
    background: var(--green-50);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}
.product-detail-img img { max-height: 350px; object-fit: contain; }

.product-specs {
    margin-top: 2.5rem;
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 2px 16px rgba(27,67,50,0.06);
}
.product-specs-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--green-900);
    padding: 1.25rem 1.5rem 0;
}
.product-specs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}
.product-specs-table thead th {
    text-align: left;
    padding: 1rem 1.5rem;
    font-weight: 700;
    color: var(--green-900);
    border-bottom: 2px solid var(--green-100);
    font-size: 0.9rem;
}
.product-specs-table thead th:last-child { text-align: right; }
.product-specs-table tbody td {
    padding: 0.85rem 1.5rem;
    border-bottom: 1px solid var(--green-50);
    color: var(--text-muted);
}
.product-specs-table tbody td:first-child { color: var(--text); font-weight: 500; }
.product-specs-table tbody td:last-child { text-align: right; font-weight: 600; color: var(--green-800); }
.product-specs-table tbody tr:last-child td { border-bottom: none; }
.product-specs-table tbody tr:hover { background: var(--green-50); }
.product-features {
    list-style: none;
    margin: 0;
    padding: 0.35rem 0 0.75rem;
}
.product-features li {
    display: flex;
    gap: 0.85rem;
    padding: 0.85rem 1.5rem;
    border-bottom: 1px solid var(--green-50);
    color: var(--text);
    font-weight: 500;
    line-height: 1.55;
}
.product-features li:last-child { border-bottom: none; }
.product-features li::before {
    content: '';
    flex-shrink: 0;
    width: 8px;
    height: 8px;
    margin-top: 0.5rem;
    border-radius: 50%;
    background: var(--green-600);
}
.product-features li:hover { background: var(--green-50); }

/* Admin spec rows */
.spec-rows { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 1rem; }
.spec-row {
    display: grid;
    grid-template-columns: 1fr 1fr 120px 40px;
    gap: 0.5rem;
    align-items: end;
    padding: 0.75rem;
    background: var(--admin-bg);
    border-radius: 8px;
}
.spec-row-remove {
    width: 36px;
    height: 36px;
    border: none;
    background: #fee2e2;
    color: #991b1b;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
}

/* Footer */
.site-footer {
    background: var(--green-900);
    color: rgba(255,255,255,0.85);
    position: relative;
    padding-top: 0;
    margin-top: 0;
}
.footer-wave {
    line-height: 0;
    display: block;
    margin-top: -2px;
    position: relative;
    z-index: 2;
    color: var(--green-900);
}
.footer-wave svg {
    width: 100%;
    height: clamp(50px, 6vw, 80px);
    display: block;
    vertical-align: bottom;
}
.footer-grid {
    padding-top: 2.5rem;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
}
.footer-grid--4 {
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
}
.footer-grid h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 1.25rem;
}
.footer-corporate-title {
    color: var(--green-200) !important;
    font-weight: 700;
}
.footer-corporate-col a {
    font-size: 0.88rem;
    line-height: 1.45;
}
.footer-cat-parent {
    font-weight: 600;
    opacity: 0.95;
}
.footer-cat-child {
    padding-left: 0.9rem;
    font-size: 0.82rem;
    opacity: 0.7;
}
.footer-grid a {
    display: block;
    padding: 0.35rem 0;
    font-size: 0.9rem;
    opacity: 0.8;
    transition: var(--transition);
}
.footer-grid a:hover { opacity: 1; color: var(--green-200); }
.footer-logo {
    display: inline-block;
    padding: 0 !important;
    opacity: 1 !important;
}
.footer-logo img {
    display: block;
    height: auto;
    width: auto;
    max-height: 72px;
    max-width: 140px;
    object-fit: contain;
}
.footer-brand-col p { font-size: 0.9rem; opacity: 0.75; margin: 1rem 0; max-width: 280px; }
.footer-social { display: flex; gap: 0.6rem; }
.footer-social a {
    width: 38px;
    height: 38px;
    padding: 0 !important;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    color: #fff;
}
.footer-social a svg {
    width: 16px;
    height: 16px;
    display: block;
}
.footer-social a:hover {
    background: rgba(255,255,255,0.22);
    color: #fff;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 1.25rem 0;
}
.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    opacity: 0.7;
}
.htmedia-credit {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    opacity: 0.8;
    transition: var(--transition);
}
.htmedia-credit:hover { opacity: 1; }
.htmedia-credit strong {
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.02em;
}
.htmedia-credit strong span { color: var(--green-400); }

/* Floating elements */
.scroll-top {
    position: fixed;
    bottom: 5rem;
    right: 1.5rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--green-600);
    color: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 900;
}
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { background: var(--green-800); transform: translateY(-3px); }
.whatsapp-float {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #25d366;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    z-index: 900;
    transition: var(--transition);
}
.whatsapp-float:hover { transform: scale(1.08); }

/* Reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .products-grid { grid-template-columns: repeat(3, 1fr); }
    .why-grid, .about-section .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .why-image, .why-image-placeholder { height: 350px; }
}
@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .main-nav {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: var(--white);
        padding: 1rem;
        box-shadow: var(--shadow);
        transform: translateY(-120%);
        opacity: 0;
        transition: var(--transition);
        z-index: 999;
        pointer-events: none;
    }
    .main-nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    .main-nav ul { flex-direction: column; gap: 0.25rem; }
    .main-nav a,
    .site-header--overlay .main-nav a,
    .site-header--overlay.scrolled .main-nav a {
        display: block;
        padding: 0.85rem 1rem;
        color: var(--green-900);
        background: transparent;
    }
    .main-nav a:hover,
    .main-nav a.active {
        background: var(--green-50);
        color: var(--green-800);
    }
    .site-header--overlay:not(.scrolled):not(.menu-open) .header-actions {
        gap: 0.65rem;
        padding: 0.4rem 0.75rem;
        border-radius: 999px;
        background: rgba(15, 40, 28, 0.58);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.18);
    }
    .site-header--overlay.menu-open {
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(45, 106, 79, 0.08);
        box-shadow: var(--shadow);
    }
    .site-header--overlay.menu-open .logo-text,
    .site-header--overlay.menu-open .lang-switch a,
    .site-header--overlay.menu-open .header-phone,
    .site-header--overlay.menu-open .header-phone span {
        color: var(--text);
    }
    .site-header--overlay.menu-open .lang-switch a { opacity: 0.5; }
    .site-header--overlay.menu-open .lang-switch a.active { opacity: 1; color: var(--green-600); }
    .site-header--overlay.menu-open .lang-divider { color: inherit; opacity: 0.3; }
    .site-header--overlay.menu-open .header-phone svg { color: var(--green-600); }
    .site-header--overlay.menu-open .nav-toggle span { background: var(--green-800); }
    .site-header--overlay.menu-open .header-actions {
        background: transparent;
        border: none;
        padding: 0;
    }
    .header-phone span { display: none; }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .products-page-layout { grid-template-columns: 1fr; }
    .sidebar { position: static; }
    .check-grid, .why-features { grid-template-columns: 1fr; }
    .contact-grid, .product-detail-grid, .footer-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .hero-arrows { display: none; }
    .about-img-main { width: 100%; height: 280px; }
    .about-img-secondary { width: 60%; height: 180px; }
    .footer-bottom-inner { flex-direction: column; gap: 0.75rem; text-align: center; }
}
@media (max-width: 480px) {
    .products-grid { grid-template-columns: 1fr; }
    .hero-content h1 { font-size: 1.8rem; }
    .section { padding: 3.5rem 0; }
}