/* code */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --clr-primary: #006747;
    --clr-secondary: #00A36C;
    --clr-accent: #00B074;
    --clr-dark: #2c3e50;
    --clr-light: #ecf0f1;
    --clr-white: #ffffff;
    --clr-gray: #bdc3c7;
    --clr-overlay: rgba(10, 20, 15, 0.6);
    --font-main: 'Poppins', sans-serif;
    --transition-fast: 0.3s ease;
    --shadow-light: 0 4px 15px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.12);
}

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

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

body {
    font-family: var(--font-main);
    background-color: var(--clr-white);
    color: var(--clr-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
    line-height: 1.2;
    font-weight: 600;
}

a {
    text-decoration: none;
    color: var(--clr-primary);
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--clr-secondary);
}

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

ul {
    list-style: none;
}

.hidden {
    display: none !important;
}

.stratum-container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

.eco-nav-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--clr-gray-light);
    padding: 1rem 0;
}

.eco-nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.eco-brand-logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--clr-primary);
}

.eco-brand-highlight {
    color: var(--clr-secondary);
}

.eco-nav-menu {
    display: none;
}

.eco-burger-btn {
    background: none;
    border: none;
    font-size: 1.75rem;
    color: var(--clr-dark);
    cursor: pointer;
}

.eco-mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100%;
    background-color: var(--clr-dark);
    z-index: 1001;
    transition: right var(--transition-fast);
    padding: 4rem 2rem;
}

.eco-mobile-nav.is-active {
    right: 0;
}

.eco-mobile-close-btn {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2.5rem;
    color: var(--clr-light);
    background: none;
    border: none;
    cursor: pointer;
}

.eco-mobile-nav-list li {
    margin-bottom: 2rem;
}

.eco-mobile-nav-link {
    color: var(--clr-light);
    font-size: 1.2rem;
    font-weight: 500;
}

.stratum-hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--clr-white);
    padding: 0 1rem;
}

.stratum-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.stratum-hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: var(--clr-overlay);
    z-index: -1;
}

.stratum-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.stratum-hero-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stratum-hero-subtitle {
    font-size: clamp(1rem, 4vw, 1.5rem);
    font-weight: 300;
}

.stratum-focus-area,
.stratum-showcase-area,
.stratum-contact-zone {
    padding: 4rem 0;
}

.stratum-section-header {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.stratum-section-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--clr-secondary);
}

.stratum-grid-3, .stratum-grid-2 {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr;
}

.stratum-card-interactive {
    background-color: var(--clr-white);
    box-shadow: var(--shadow-light);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stratum-card-interactive:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.stratum-card-icon {
    color: var(--clr-primary);
    margin-bottom: 1rem;
}

.stratum-card-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.stratum-card-visible, .stratum-card-hidden {
    transition: transform var(--transition-fast);
}

.stratum-card-hidden {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--clr-primary);
    color: var(--clr-light);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    transform: translateY(100%);
    font-size: 0.9rem;
}

.stratum-card-interactive:hover .stratum-card-visible {
    transform: translateY(-100%);
}

.stratum-card-interactive:hover .stratum-card-hidden {
    transform: translateY(0);
}

.stratum-showcase-area {
    background-color: var(--clr-light);
}

.stratum-project-capsule {
    background-color: var(--clr-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    display: flex;
    flex-direction: column;
}

.stratum-project-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.stratum-project-info {
    padding: 1.5rem;
}

.stratum-project-title {
    font-size: 1.4rem;
    color: var(--clr-primary);
    margin-bottom: 0.5rem;
}

.stratum-contact-intro {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.stratum-query-form {
    display: grid;
    gap: 1.5rem;
}

.stratum-form-group {
    position: relative;
}

.stratum-form-input {
    width: 100%;
    min-height: 52px;
    padding: 1rem;
    border: 1px solid var(--clr-gray);
    border-radius: 5px;
    font-family: var(--font-main);
    font-size: 1rem;
    background-color: var(--clr-white);
    transition: border-color var(--transition-fast);
}

.stratum-form-input:focus {
    outline: none;
    border-color: var(--clr-primary);
}

.stratum-form-label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: #999;
    pointer-events: none;
    transition: all var(--transition-fast);
}

.stratum-form-input:focus + .stratum-form-label,
.stratum-form-input:not(:placeholder-shown) + .stratum-form-label {
    top: -0.6rem;
    left: 0.75rem;
    font-size: 0.8rem;
    background-color: var(--clr-white);
    padding: 0 0.25rem;
    color: var(--clr-primary);
}

.stratum-form-input:invalid:not(:placeholder-shown) {
    border-color: #e74c3c;
}
.stratum-form-input:invalid:not(:placeholder-shown) + .stratum-form-label {
    color: #e74c3c;
}

.stratum-submit-button {
    min-height: 55px;
    background-color: var(--clr-secondary);
    color: var(--clr-white);
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
    width: 100%;
}

.stratum-submit-button:hover {
    background-color: var(--clr-accent);
    transform: translateY(-2px);
}

.eco-footer-base {
    background-color: var(--clr-dark);
    color: var(--clr-light);
    padding: 3rem 0 1rem;
}

.eco-footer-grid {
    display: grid;
    gap: 2rem;
    margin-bottom: 2rem;
}

.eco-footer-heading {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--clr-white);
}

.eco-footer-links a {
    color: var(--clr-gray);
    display: block;
    margin-bottom: 0.5rem;
}

.eco-social-links a {
    color: var(--clr-light);
    font-size: 1.5rem;
    margin-right: 1rem;
}

.eco-footer-copyright {
    text-align: center;
    border-top: 1px solid #444;
    padding-top: 1rem;
    font-size: 0.9rem;
    color: var(--clr-gray);
}

.policy-modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
}

.policy-modal-overlay.is-active {
    opacity: 1;
    pointer-events: auto;
}

.policy-modal-content {
    background-color: var(--clr-white);
    padding: 2rem;
    border-radius: 8px;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.policy-modal-close {
    position: absolute;
    top: 0.5rem;
    right: 1rem;
    font-size: 2rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--clr-dark);
}

.policy-modal-content h2 {
    margin-bottom: 1rem;
    color: var(--clr-primary);
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(44, 62, 80, 0.95);
    color: var(--clr-light);
    padding: 1rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
    transform: translateY(100%);
    transition: transform 0.5s ease-in-out;
}

.cookie-banner.is-active {
    transform: translateY(0);
}

.cookie-banner a {
    color: var(--clr-accent);
    text-decoration: underline;
}

.cookie-banner-actions {
    display: flex;
    gap: 1rem;
}

#cookie-accept, #cookie-decline {
    min-height: 40px;
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 5px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

#cookie-accept {
    background-color: var(--clr-secondary);
    color: var(--clr-white);
}
#cookie-accept:hover {
    background-color: var(--clr-accent);
}

#cookie-decline {
    background-color: transparent;
    border: 1px solid var(--clr-gray);
    color: var(--clr-light);
}
#cookie-decline:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

@media (min-width: 576px) {
    .stratum-query-form {
        grid-template-columns: 1fr 1fr;
    }
    .stratum-form-fullwidth {
        grid-column: 1 / -1;
    }
    .stratum-submit-button {
      grid-column: 1 / -1;
      max-width: 300px;
      margin: 0 auto;
    }
    .cookie-banner {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

@media (min-width: 768px) {
    .eco-nav-menu {
        display: block;
    }
    .eco-nav-list {
        display: flex;
        gap: 2rem;
    }
    .eco-nav-link {
        font-weight: 500;
    }
    .eco-burger-btn {
        display: none;
    }
    .stratum-grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    .stratum-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    .stratum-project-capsule {
        flex-direction: row;
    }
    .stratum-project-img {
        width: 40%;
        height: auto;
    }
    .stratum-project-info {
        width: 60%;
    }
    .eco-footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .stratum-grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}