/* ===== Google Font ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ===== Design Tokens ===== */
:root {
    --accent: #1a6b3c;
    --accent-light: #2e8b57;
    --accent-glow: rgba(26, 107, 60, 0.12);
    --orange: #e87a20;
    --muted: #64748b;
    --bg: #f8faf9;
    --card: #fff;
    --radius: 14px;
    --maxw: 1200px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
    --transition: 0.3s cubic-bezier(.4, 0, .2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    font-family: 'Inter', Arial, sans-serif;
    color: #1e293b;
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

/* ===== Container ===== */
.container {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Header / Navbar ===== */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 12px rgba(0, 0, 0, 0.06);
    border-bottom: 1px solid rgba(26, 107, 60, 0.08);
}

.header .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 20px;
    max-width: var(--maxw);
    margin: 0 auto;
}

.brand {
    display: flex;
    align-items: center;
}

.brand a {
    display: flex;
    align-items: center;
}

.brand img {
    height: 80px;
    width: auto;
    object-fit: contain;
    transition: transform var(--transition);
}

.brand img:hover {
    transform: scale(1.04);
}

.nav {
    display: none;
    gap: 4px;
    align-items: center;
}

.nav a {
    color: #334155;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all var(--transition);
    position: relative;
}

.nav a:hover,
.nav a.active {
    color: var(--accent);
    background: var(--accent-glow);
}

/* Hamburger */
.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    cursor: pointer;
    padding: 4px 0;
    z-index: 101;
}

.hamburger span {
    height: 3px;
    background: #334155;
    border-radius: 2px;
    display: block;
    transition: var(--transition);
}

.hamburger:hover span {
    background: var(--accent);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    padding: 16px 20px;
    background: #fff;
    border-bottom: 1px solid rgba(26, 107, 60, 0.08);
    text-align: center;
}

.mobile-menu a {
    color: #334155;
    font-weight: 600;
    font-size: 15px;
    padding: 8px 12px;
    transition: color var(--transition);
}

.mobile-menu a:hover {
    color: var(--accent);
}

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(135deg, #f0f9f4 0%, #e8f5ed 40%, #fdf8f3 100%);
    border-bottom: 1px solid rgba(26, 107, 60, 0.06);
    padding: 32px 0;
}

.hero .container {
    display: flex;
    flex-direction: column;
    gap: 24px;
    align-items: center;
}

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

.hero .left h1 {
    font-size: 26px;
    font-weight: 800;
    line-height: 1.15;
    margin: 0 0 14px;
    color: #0f172a;
    letter-spacing: -0.5px;
}

.hero .left p {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.65;
    margin-bottom: 20px;
    max-width: 540px;
}

.hero .left .contact-info {
    margin-top: 14px;
    color: var(--muted);
    font-size: 14px;
}

/* CTA Button */
.cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #fff;
    padding: 14px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 15px;
    box-shadow: 0 4px 16px rgba(26, 107, 60, 0.25);
    transition: all var(--transition);
}

.cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(26, 107, 60, 0.35);
}

/* ===== Sections ===== */
.section {
    padding: 40px 0;
}

.section h1,
.section h2 {
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.3px;
}

.section h1 {
    font-size: 28px;
    margin-bottom: 8px;
}

.section h2 {
    font-size: 24px;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section h2::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--orange));
    border-radius: 2px;
    margin-top: 6px;
}

/* ===== Product Grid ===== */
.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.card {
    background: var(--card);
    border-radius: var(--radius);
    padding: 0;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(26, 107, 60, 0.12);
}

.card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.card h3 {
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
    margin: 0;
    padding: 14px 16px 4px;
}

.card .small {
    padding: 0 16px 16px;
}

/* ===== Features (Why Choose Us) ===== */
.features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.feature {
    display: flex;
    gap: 14px;
    align-items: center;
    padding: 18px;
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid rgba(0, 0, 0, 0.04);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.feature:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(26, 107, 60, 0.10);
}

.feature .icon {
    font-size: 28px;
    min-width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border-radius: 12px;
}

/* ===== Footer ===== */
.footer {
    background: #1e293b;
    color: #94a3b8;
    padding: 28px 0;
    margin-top: 0;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer a {
    color: #94a3b8;
}

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

.footer .small {
    color: #94a3b8;
}

/* ===== Contact Form ===== */
.contact-form {
    max-width: 560px;
}

.contact-form label {
    display: block;
    font-weight: 600;
    font-size: 14px;
    color: #334155;
    margin-bottom: 16px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1.5px solid #e2e8f0;
    margin-top: 6px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
    background: #fff;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #fff;
    padding: 12px 28px;
    border-radius: 10px;
    border: 0;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 0 4px 12px rgba(26, 107, 60, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 107, 60, 0.3);
}

/* ===== About Page ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: start;
}

.about-content img {
    border-radius: var(--radius);
    width: 100%;
    max-height: 320px;
    object-fit: cover;
    box-shadow: var(--shadow-md);
}

.about-text p {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 16px;
}

.about-text h3 {
    color: var(--accent);
    font-size: 20px;
    margin-bottom: 8px;
}

/* ===== Utilities ===== */
.small {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
}

.responsive-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    display: block;
}

/* ===== Hero Slider ===== */
.hero-slider {
    position: relative;
    width: 100%;
    max-width: 520px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.slider-track {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
}

.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    font-size: 16px;
    cursor: pointer;
    color: #1e293b;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
    transition: all var(--transition);
    z-index: 5;
}

.slider-btn:hover {
    background: #fff;
    transform: translateY(-50%) scale(1.1);
}

.slider-btn.prev {
    left: 10px;
}

.slider-btn.next {
    right: 10px;
}

.slider-dots {
    position: absolute;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 5;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.45);
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.dot.active,
.dot:hover {
    background: #fff;
    transform: scale(1.25);
}

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

/* Tablet (480px+) */
@media (min-width: 480px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .hero .left h1 {
        font-size: 30px;
    }

    .brand img {
        height: 88px;
    }
}

/* Tablet landscape (720px+) */
@media (min-width: 720px) {
    .nav {
        display: flex;
    }

    .hamburger {
        display: none;
    }

    .mobile-menu {
        display: none !important;
    }

    .hero .container {
        flex-direction: row;
        gap: 32px;
    }

    .hero .left {
        text-align: left;
    }

    .hero .left h1 {
        font-size: 34px;
    }

    .hero {
        padding: 48px 0;
    }

    .brand img {
        height: 96px;
    }

    .section {
        padding: 48px 0;
    }

    .section h2 {
        font-size: 26px;
    }

    .card img {
        height: 200px;
    }

    .about-content {
        grid-template-columns: 1fr 1fr;
    }

    .contact-form {
        max-width: 600px;
    }
}

/* Desktop (1000px+) */
@media (min-width: 1000px) {
    .grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .features {
        grid-template-columns: repeat(3, 1fr);
    }

    .hero .left h1 {
        font-size: 42px;
    }

    .hero {
        padding: 56px 0;
    }

    .brand img {
        height: 110px;
    }

    .section {
        padding: 56px 0;
    }

    .section h2 {
        font-size: 28px;
    }

    .card img {
        height: 210px;
    }

    .nav a {
        font-size: 16px;
        padding: 10px 18px;
    }
}

/* Large Desktop (1200px+) */
@media (min-width: 1200px) {
    .hero .left h1 {
        font-size: 46px;
    }

    .brand img {
        height: 120px;
    }
}