/* ===================================================================
   01. CSS Variables & Root Styles
=================================================================== */
:root {
    --color-dark-green: #5E4B3C;
    /* Deep umber brown */
    --color-light-cream: #F5EFE7;
    /* Soft desert sand */
    --color-accent-terracotta: #C57B57;
    /* Warm clay accent */

    --color-text-dark: #3A302A;
    /* Rich dark brown */
    --color-text-light: #FFFBF7;
    /* Warm white */

    --color-border: #E2D6CC;
    /* Sandstone border */
    --color-white: #FFFFFF;

    --font-heading: 'Playfair Display', serif;
    --font-body: 'Nunito Sans', sans-serif;

    --header-height: 85px;
    --border-radius: 8px;
    --transition-speed: 0.4s ease;
    --container-width: 1160px;
    --shadow: 0 4px 20px rgba(94, 75, 60, 0.12);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-white);
    color: var(--color-text-dark);
    font-family: var(--font-body);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

/* ===================================================================
   02. Base & Typography
=================================================================== */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.8rem, 5vw, 4.2rem);
}

h2 {
    font-size: clamp(2.2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.4rem, 3vw, 1.75rem);
}

p {
    margin-bottom: 1.5rem;
    max-width: 65ch;
    color: #555;
}

a {
    color: var(--color-accent-terracotta);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-dark-green);
}

/* ===================================================================
   03. Layout & Utilities
=================================================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-tag {
    display: block;
    color: var(--color-accent-terracotta);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

/* ===================================================================
   04. Buttons
=================================================================== */
.btn {
    display: inline-block;
    padding: 14px 35px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn--primary {
    background-color: var(--color-accent-terracotta);
    color: var(--color-white);
}

.btn--primary:hover {
    background-color: #c97c6a;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(217, 140, 122, 0.4);
}

.btn--large {
    padding: 18px 45px;
}

.btn--full {
    width: 100%;
}

/* ===================================================================
   05. Header & Navigation
=================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    height: var(--header-height);
    background-color: transparent;
    transition: background-color 0.4s ease, box-shadow 0.4s ease, height 0.4s ease;
}

.header.scrolled {
    background-color: var(--color-white);
    box-shadow: var(--shadow);
    height: 75px;
}

.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.header__logo img {
    height: 50px;
    filter: brightness(1) invert(1);
}

.header__nav-list {
    display: flex;
    gap: 40px;
    list-style: none;
}

.header__nav-link {
    font-weight: 600;
    color: var(--color-white);
    padding-bottom: 5px;
    position: relative;
}

.header.scrolled .header__nav-link {
    color: var(--color-text-dark);
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent-terracotta);
    transition: width var(--transition-speed);
}

.header__nav-link:hover::after,
.header__nav-link.active::after {
    width: 100%;
}

.header__actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header__menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--color-white);
    transition: all 0.3s ease-in-out;
}

.header.scrolled .bar {
    background-color: var(--color-text-dark);
}

/* ===================================================================
   06. Footer
=================================================================== */
.footer {
    background-color: var(--color-dark-green);
    color: var(--color-text-light);
    padding: 80px 0 30px;
}

.footer h4 {
    color: var(--color-white);
    font-family: var(--font-heading);
}

.footer p,
.footer li,
.footer a {
    color: #d4d8d3;
    font-size: 0.95rem;
}

.footer a:hover {
    color: var(--color-white);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 50px;
    margin-bottom: 60px;
}

.footer__logo img {
    height: 50px;
    filter: brightness(1) invert(1);
    margin-bottom: 1rem;
}


.footer__links ul {
    list-style: none;
}

.footer__links li,
.footer__contact li {
    margin-bottom: 1rem;
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #d4d8d3;
    font-size: 0.9rem;
}

.footer__socials {
    display: flex;
    gap: 20px;
}

.footer__socials svg {
    width: 20px;
    height: 20px;
    fill: #d4d8d3;
    transition: all 0.3s ease;
}

.footer__socials a:hover svg {
    fill: var(--color-white);
    transform: scale(1.1);
}

/* ===================================================================
   07. Animations & Effects
=================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    transition-delay: var(--delay, 0s);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================================================
   08. Hero Section
=================================================================== */
.hero {
    min-height: 80vh;
    padding-top: var(--header-height);
    display: flex;
    align-items: center;
    background-color: var(--color-dark-green);
    background-image: url('https://images.pexels.com/photos/935949/pexels-photo-935949.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=1');
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
    position: relative;
    color: var(--color-white);
}

.hero::after {
    /* Darkening overlay */
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(44, 62, 42, 0.5);
}

.hero__container {
    position: relative;
    z-index: 2;
}

.hero__content {
    max-width: 700px;
}

.hero__title {
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

.hero__subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
}

/* ===================================================================
   09. Features Section
=================================================================== */
.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    text-align: center;
}

.feature-item__icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--color-light-cream);
    color: var(--color-accent-terracotta);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-item__icon svg {
    width: 28px;
    height: 28px;
}

/* ===================================================================
   10. Services Section
=================================================================== */
.services {
    background-color: var(--color-light-cream);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    transition: all var(--transition-speed);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow);
    border-left: 4px solid var(--color-accent-terracotta);
}

.service-card h3 {
    margin-bottom: 1.5rem;
}

.service-card ul {
    list-style: none;
    margin-top: 1.5rem;
}

.service-card li {
    padding-left: 20px;
    position: relative;
    margin-bottom: 0.5rem;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent-terracotta);
}

/* ===================================================================
   11. About Section & SVG Shapes
=================================================================== */
.about {
    position: relative;
    padding: 0;
}

.about__shape-top {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    line-height: 0;
}

.about__content-wrapper {
    background-color: var(--color-light-cream);
}

.about__container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about__image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* ===================================================================
   12. Growth Calculator (Interactive)
=================================================================== */
.calculator__wrapper {
    max-width: 900px;
    margin: 0 auto;
    background: var(--color-light-cream);
    padding: 40px;
    border-radius: var(--border-radius);
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: center;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 1rem;
}

.form-group select,
.form-group input[type="range"] {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 1rem;
}

.range-slider {
    padding: 0 10px;
}

.range-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: #777;
    margin-top: 0.5rem;
}

.calculator__results {
    text-align: center;
    background: var(--color-white);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 2px solid var(--color-accent-terracotta);
}

.calculator__results p {
    margin-bottom: 0.5rem;
}

.calculator__results h3 {
    color: var(--color-accent-terracotta);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.calculator__results span {
    font-size: 0.9rem;
    color: #777;
}

/* ===================================================================
   13. Testimonials Section
=================================================================== */
.testimonials {
    background-color: var(--color-light-cream);
    position: relative;
    padding-top: 150px;
}

.testimonial-slider-wrapper {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonial-slider {
    display: flex;
}

.testimonial-card {
    min-width: 100%;
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: opacity 0.5s ease;
}

.testimonial-card img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
}

.testimonial-card p {
    font-family: var(--font-heading);
    font-style: italic;
    font-size: 1.25rem;
}

.testimonial-card h4 {
    margin: 1rem 0 0.25rem;
}

.testimonial-card span {
    color: #777;
    font-size: 0.9rem;
}

.slider-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 10px;
}

.prev-btn,
.next-btn {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.prev-btn:hover,
.next-btn:hover {
    background-color: var(--color-accent-terracotta);
    color: var(--color-white);
}

/* ===================================================================
   14. CTA Section
=================================================================== */
.cta {
    background-color: var(--color-light-cream);
}

.cta__container {
    background: var(--color-dark-green);
    color: var(--color-white);
    padding: 60px;
    border-radius: var(--border-radius);
    text-align: center;
}

.cta__title {
    color: var(--color-white);
}

.cta__text {
    max-width: 60ch;
    margin: 0 auto 2rem;
    color: #d4d8d3;
}

/* ===================================================================
   15. Inner Pages (Contact, Legal)
=================================================================== */
.page-header {
    background-color: var(--color-dark-green);
    color: var(--color-white);
    text-align: center;
    padding-top: calc(var(--header-height) + 50px);
}

.page-header .page-title {
    color: var(--color-white);
}

.contact-page {
    background-color: var(--color-light-cream);
}

.contact-page__container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
}

.contact-form__wrapper,
.contact-info__wrapper {
    background: var(--color-white);
    padding: 40px;
    border-radius: var(--border-radius);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
}

.contact-info__wrapper ul {
    list-style: none;
}

.contact-info__wrapper li {
    margin-bottom: 1.5rem;
}

.contact-info__wrapper strong {
    display: block;
}

.legal-page {
    background-color: var(--color-light-cream);
}

.legal-page h2 {
    margin-top: 2rem;
}

/* ===================================================================
   16. Media Queries (Responsiveness)
=================================================================== */
@media (max-width: 992px) {
    .header__nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--color-dark-green);
        transition: right var(--transition-speed);
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .header__nav.active {
        right: 0;
    }

    .header__nav-list {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .header__nav-link {
        font-size: 1.2rem;
        color: var(--color-white);
    }

    .header.scrolled .header__nav-link {
        color: var(--color-white);
    }

    .header__actions .btn {
        display: none;
    }

    .header__menu-toggle {
        display: block;
        z-index: 1001;
    }

    .about__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about__image {
        margin-bottom: 30px;
    }

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

    .calculator__results {
        margin-top: 20px;
    }

    .contact-page__container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .footer__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer__about p {
        margin: 0 auto;
    }

    .footer__bottom {
        flex-direction: column;
        gap: 20px;
    }
}