/* Mobile Styles - Following HIG and Material Design Guidelines */
/* ============================================ */

/* CSS Variables for mobile */
:root {
    --primary-color: #2c5530;
    --secondary-color: #f0f0f0;
    --text-color: #333;
    --bg-color: #fff;
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --transition: all 0.3s ease;
    --touch-target-min: 44px; /* HIG minimum touch target */
    --touch-target-md: 48px;  /* Material Design minimum */
}

/* ============================================ */
/* Tablet (1024px and below) */
/* ============================================ */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }

    .header__top {
        padding: 15px;
    }

    .nav__list {
        gap: 20px;
    }

    /* Ensure minimum touch targets */
    .header__button {
        min-width: var(--touch-target-min);
        min-height: var(--touch-target-min);
    }
}

/* ============================================ */
/* Tablet and Mobile (768px and below) */
/* ============================================ */
@media (max-width: 768px) {
    /* Typography - HIG recommends 17px minimum for iOS */
    body {
        font-size: 17px;
        line-height: 1.5;
    }

    /* Header adjustments */
    .header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: white;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    .header__top {
        padding: 12px 15px;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .header__logo {
        font-size: 1.5rem;
        font-weight: 700;
    }

    .header__actions {
        display: flex;
        gap: 8px;
        order: 0;
        margin-right: 60px; /* Make room for hamburger menu */
    }

    /* Enhanced touch targets for action buttons */
    .header__button {
        min-width: var(--touch-target-md);
        min-height: var(--touch-target-md);
        padding: 10px;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .header__button img {
        width: 22px;
        height: 22px;
    }

    /* Hide desktop navigation */
    .nav {
        display: none;
    }

    /* Hide section nav on mobile */
    .section-nav {
        display: none;
    }

    /* Hamburger menu positioning */
    .hamburger-nav {
        display: block;
        position: fixed;
        top: 15px;
        right: 15px;
        z-index: 1001;
    }

    .hamburger-nav__toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: var(--touch-target-md);
        height: var(--touch-target-md);
        background: transparent;
        border: none;
        padding: 12px 10px;
        cursor: pointer;
        z-index: 1002;
        border-radius: 8px;
        transition: var(--transition);
    }

    .hamburger-nav__toggle:hover,
    .hamburger-nav__toggle:focus {
        background-color: rgba(44, 85, 48, 0.1);
    }

    .hamburger-nav__toggle:active {
        transform: scale(0.95);
    }

    .hamburger-nav__line {
        width: 100%;
        height: 3px;
        background-color: var(--primary-color);
        border-radius: 2px;
        transition: var(--transition);
    }

    /* Hamburger animation states */
    .hamburger-nav__toggle.active .hamburger-nav__line:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .hamburger-nav__toggle.active .hamburger-nav__line:nth-child(2) {
        opacity: 0;
    }

    .hamburger-nav__toggle.active .hamburger-nav__line:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    /* Mobile menu overlay */
    .hamburger-nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: white;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        padding: 80px 20px 30px;
        transition: right 0.4s ease;
        z-index: 1000;
        overflow-y: auto;
    }

    .hamburger-nav__menu.active {
        right: 0;
    }

    /* Close button inside menu */
    .hamburger-nav__close {
        position: absolute;
        top: 20px;
        right: 20px;
        width: 48px;
        height: 48px;
        background: transparent;
        border: none;
        cursor: pointer;
        z-index: 1003;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 0;
        border-radius: 8px;
        transition: var(--transition);
    }

    .hamburger-nav__close:hover,
    .hamburger-nav__close:focus {
        background-color: rgba(44, 85, 48, 0.1);
    }

    .hamburger-nav__close-line {
        width: 24px;
        height: 3px;
        background-color: var(--primary-color);
        border-radius: 2px;
        position: absolute;
    }

    .hamburger-nav__close-line:first-child {
        transform: rotate(45deg);
    }

    .hamburger-nav__close-line:last-child {
        transform: rotate(-45deg);
    }

    /* Menu list styling */
    .hamburger-nav__menu-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 0;
        padding: 0;
        margin: 0;
    }

    .hamburger-nav__link {
        display: block;
        width: 100%;
        padding: 16px 0;
        font-size: 18px;
        font-weight: 500;
        text-decoration: none;
        color: var(--text-color);
        border-bottom: 1px solid #eee;
        transition: var(--transition);
        min-height: var(--touch-target-md);
        display: flex;
        align-items: center;
    }

    .hamburger-nav__link:hover,
    .hamburger-nav__link:focus {
        color: var(--primary-color);
        padding-left: 10px;
        background: transparent;
    }

    .hamburger-nav__link:active {
        background-color: rgba(44, 85, 48, 0.05);
    }

    /* Navigation overlay */
    .nav-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
    }

    .nav-overlay.active {
        display: block;
    }

    /* Hero section mobile adjustments */
    .hero {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem 1rem;
        text-align: center;
        min-height: auto;
    }

    .hero__content {
        order: 2;
        gap: 1.25rem;
    }

    .hero__image {
        order: 1;
        width: 100%;
        max-height: 300px;
        object-fit: contain;
    }

    .hero__title {
        font-size: 1.75rem;
        line-height: 1.3;
    }

    .hero__text {
        font-size: 1rem;
        line-height: 1.6;
    }

    /* Button touch targets - Material Design 48px minimum */
    .button {
        min-width: 120px;
        min-height: var(--touch-target-md);
        padding: 14px 28px;
        font-size: 1rem;
        font-weight: 500;
        border-radius: 8px;
    }

    /* Section spacing */
    .advantages,
    .products,
    .newsletter,
    .masonry-section,
    .brand-story {
        padding: 2.5rem 1rem;
    }

    .advantages__title,
    .products__title,
    .newsletter__title,
    .masonry-section__title,
    .brand-story__title {
        font-size: 1.75rem;
        margin-bottom: 2rem;
    }

    /* Feature grid - single column on mobile */
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-grid__item {
        padding: 1.5rem;
        text-align: left;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }

    .feature-grid__item img {
        width: 40px;
        height: 40px;
        margin-bottom: 1rem;
    }

    .feature-grid__title {
        font-size: 1.125rem;
        margin-bottom: 0.5rem;
    }

    .feature-grid__text {
        font-size: 0.95rem;
    }

    /* Product grid adjustments */
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        margin-bottom: 2rem;
    }

    .product-card__image {
        height: 180px;
    }

    .product-card__content {
        padding: 1rem;
    }

    .product-card__title {
        font-size: 0.95rem;
        margin-bottom: 0.25rem;
    }

    .product-card__price {
        font-size: 1rem;
    }

    /* Newsletter section */
    .newsletter {
        padding: 2.5rem 1rem;
    }

    .newsletter__text {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .signup-form {
        flex-direction: column;
        gap: 0.75rem;
        max-width: 100%;
    }

    .signup-form__input {
        width: 100%;
        min-height: var(--touch-target-md);
        padding: 12px 16px;
        font-size: 16px; /* Prevent zoom on iOS */
        border-radius: 8px;
    }

    .signup-form__button {
        width: 100%;
        min-height: var(--touch-target-md);
        padding: 12px 24px;
        font-size: 1rem;
        border-radius: 8px;
    }

    /* Brand story section */
    .brand-story {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .brand-story__content {
        gap: 1rem;
    }

    .brand-story__text {
        font-size: 1rem;
    }

    .brand-story__image {
        width: 100%;
        border-radius: 8px;
    }

    /* Masonry grid - single column */
    .masonry-grid {
        column-count: 1;
        column-gap: 0;
    }

    .masonry-item {
        margin-bottom: 1rem;
        padding: 1.25rem;
        break-inside: avoid;
    }

    .masonry-item__title {
        font-size: 1.125rem;
    }

    .masonry-item__text {
        font-size: 0.95rem;
    }

    /* Footer adjustments */
    .footer {
        padding: 2rem 1rem 1rem;
    }

    .footer__links-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .footer__group h3 {
        font-size: 1rem;
        margin-bottom: 0.75rem;
    }

    .footer__list {
        gap: 0.5rem;
    }

    .footer__link {
        font-size: 0.95rem;
        padding: 8px 0;
        display: block;
        min-height: var(--touch-target-min);
    }

    .footer__bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        padding-top: 1.5rem;
    }

    .footer__social-links {
        gap: 0.75rem;
    }

    .footer__social-link {
        min-width: var(--touch-target-min);
        min-height: var(--touch-target-min);
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 8px;
        border-radius: 8px;
    }

    /* Scroll to top button */
    .scroll-top {
        width: 52px;
        height: 52px;
        bottom: 20px;
        right: 20px;
        font-size: 22px;
    }
}

/* ============================================ */
/* Mobile (480px and below) */
/* ============================================ */
@media (max-width: 480px) {
    /* Larger base font for better readability - HIG 17px */
    body {
        font-size: 17px;
    }

    .hamburger-nav__menu {
        width: 100%;
        right: -100%;
    }

    .header__logo {
        font-size: 1.375rem;
    }

    .hero__title {
        font-size: 1.5rem;
    }

    .hero__text {
        font-size: 0.95rem;
    }

    /* Single column product grid */
    .product-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .product-card__image {
        height: 220px;
    }

    .advantages__title,
    .products__title,
    .newsletter__title,
    .masonry-section__title,
    .brand-story__title {
        font-size: 1.5rem;
    }

    /* Ensure form elements are easy to tap */
    input,
    button,
    select,
    textarea {
        font-size: 16px; /* Prevent zoom on iOS Safari */
    }
}

/* ============================================ */
/* Small Mobile (375px and below) */
/* ============================================ */
@media (max-width: 375px) {
    .header__top {
        padding: 10px 12px;
    }

    .header__logo {
        font-size: 1.25rem;
    }

    .header__actions {
        gap: 4px;
    }

    .header__button {
        min-width: 40px;
        min-height: 40px;
        padding: 8px;
    }

    .hero {
        padding: 1.5rem 0.75rem;
    }

    .hero__title {
        font-size: 1.375rem;
    }

    .advantages,
    .products,
    .newsletter,
    .masonry-section,
    .brand-story {
        padding: 2rem 0.75rem;
    }

    .advantages__title,
    .products__title,
    .newsletter__title,
    .masonry-section__title,
    .brand-story__title {
        font-size: 1.375rem;
    }

    .button {
        padding: 12px 20px;
        font-size: 0.95rem;
    }

    .feature-grid__title,
    .product-card__title,
    .masonry-item__title {
        font-size: 1rem;
    }

    .feature-grid__text,
    .product-card__price,
    .masonry-item__text {
        font-size: 0.9rem;
    }
}

/* ============================================ */
/* Accessibility - Reduced Motion */
/* ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .hamburger-nav__menu {
        transition: none;
    }

    .scroll-top {
        transition: none;
    }
}

/* ============================================ */
/* High Contrast Mode Support */
/* ============================================ */
@media (prefers-contrast: high) {
    .hamburger-nav__line {
        background-color: #000;
    }

    .nav-overlay {
        background: rgba(0, 0, 0, 0.8);
    }

    .button {
        border: 2px solid currentColor;
    }
}

/* ============================================ */
/* Dark Mode Support (if needed in future) */
/* ============================================ */
@media (prefers-color-scheme: dark) {
    /* Placeholder for dark mode styles */
}