/* 1. Design System & Base */
:root {
    --color-bg: #F9F7F5;
    --color-text: #2E282A;
    --color-text-light: #655A5E;
    --color-accent: #D48C70;
    --color-accent-dark: #C37B60;
    --color-border: #EAE3DE;
    --color-white: #FFFFFF;
    --font-main: 'Manrope', sans-serif;
    --font-headings: 'Lora', serif;
    --space-xs: 4px;
    --space-s: 8px;
    --space-m: 16px;
    --space-l: 24px;
    --space-xl: 32px;
    --space-xxl: 48px;
    --space-section: 80px;
    --container-width: 1100px;
    --container-padding: 24px;
    --transition-fast: 0.2s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
    font-size: 100%;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-main);
    font-size: 1.125rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--container-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

section {
    padding-top: var(--space-section);
    padding-bottom: var(--space-section);
}

h1, h2 {
    font-family: var(--font-headings);
    font-weight: 500;
    line-height: 1.2;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--space-xxl);
}

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

/* 2. Header & Navigation */
.site-header {
    padding: var(--space-m) 0;
    position: sticky;
    top: 0;
    background-color: rgba(249, 247, 245, 0.85);
    backdrop-filter: blur(8px);
    z-index: 100;
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    text-decoration: none;
    color: var(--color-text);
}

.nav-list {
    list-style: none;
    display: flex;
    gap: var(--space-l);
}

.nav-link {
    text-decoration: none;
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-text);
}

.nav-toggle {
    display: none;
}

/* 3. Hero Section */
.hero-section {
    padding-top: 60px;
    padding-bottom: 60px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
    gap: var(--space-xxl);
}

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

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--space-m);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-s);
}

.hero-description {
    max-width: 50ch;
    margin: 0 auto var(--space-xl);
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: var(--space-m);
    flex-wrap: wrap;
}

.hero-image-container {
    max-width: 380px;
    margin: 0 auto;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--space-s);
}

/* 4. Components */
.button {
    display: inline-block;
    padding: 12px 24px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 8px;
    transition: transform var(--transition-fast), background-color var(--transition-fast);
    border: 2px solid transparent;
}

.button:hover {
    transform: translateY(-2px);
}

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

.button-primary:hover {
    background-color: var(--color-accent-dark);
}

.button-secondary {
    background-color: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.button-secondary:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

/* 5. Sections */

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xxl);
    align-items: center;
}

.about-text p:not(:last-child) {
    margin-bottom: var(--space-m);
}

.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--space-s);
}

/* Experience */
.experience-section {
    background-color: var(--color-white);
}

.experience-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-l);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.25rem;
}

.experience-list li {
    padding-left: 2em;
    position: relative;
}

.experience-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* Results */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-l);
}
.result-item {
    background-color: var(--color-white);
    padding: var(--space-l);
    border: 1px solid var(--color-border);
    border-radius: var(--space-s);
    text-align: center;
}
.result-metric {
    font-size: 2.5rem;
    font-weight: 500;
    color: var(--color-accent);
    font-family: var(--font-headings);
}
.result-description {
    color: var(--color-text-light);
}
.results-placeholder { text-align: center; color: var(--color-text-light); }


/* Reviews */
.reviews-section {
    background-color: var(--color-white);
}
.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}
.review-card {
    border: 1px solid var(--color-border);
    padding: var(--space-xl);
    border-radius: var(--space-s);
}
.review-text p {
    font-family: var(--font-headings);
    font-size: 1.25rem;
    margin-bottom: var(--space-l);
}
.review-author {
    font-style: normal;
    font-weight: 500;
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-l);
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--space-s);
}

/* Formats */
.formats-content {
    max-width: 65ch;
    margin: 0 auto;
    text-align: center;
}

/* CTA */
.cta-section {
    background-color: var(--color-accent);
    color: var(--color-white);
}
.cta-content {
    text-align: center;
    max-width: 60ch;
    margin: 0 auto;
}
.cta-title { font-size: 2rem; }
.cta-text { margin: var(--space-l) 0; }
.cta-section .button-primary {
    background-color: var(--color-white);
    color: var(--color-accent);
}
.cta-section .button-primary:hover {
    background-color: var(--color-bg);
}

/* Contact */
.contact-list {
    list-style: none;
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-m);
    font-size: 1.25rem;
}
.contact-item a {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 500;
}
.contact-item a:hover {
    text-decoration: underline;
}

/* Footer */
.site-footer-bottom {
    text-align: center;
    padding: var(--space-l) 0;
    color: var(--color-text-light);
    font-size: 0.9rem;
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-section);
}

/* 6. Accessibility & Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}

:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 3px;
    border-radius: 4px;
}
.nav-link:focus-visible {
    background-color: var(--color-border);
}

/* 7. Responsive Styles */

/* Mobile Nav */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
        background: none;
        border: none;
        cursor: pointer;
        z-index: 1001;
        position: relative;
        width: 30px;
        height: 30px;
    }
    .nav-toggle-icon,
    .nav-toggle-icon::before,
    .nav-toggle-icon::after {
        content: '';
        display: block;
        background-color: var(--color-text);
        height: 2px;
        border-radius: 2px;
        transition: transform 0.3s ease, opacity 0.3s ease;
    }
    .nav-toggle-icon::before {
        transform: translateY(-8px);
    }
    .nav-toggle-icon::after {
        transform: translateY(8px);
    }
    
    .nav-open .nav-toggle-icon {
        background-color: transparent;
    }
    .nav-open .nav-toggle-icon::before {
        transform: rotate(45deg);
    }
    .nav-open .nav-toggle-icon::after {
        transform: translateY(-2px) rotate(-45deg);
    }

    .nav-list {
        position: fixed;
        inset: 0;
        background-color: var(--color-bg);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        font-size: 1.5rem;
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
    }
    .nav-open .nav-list {
        transform: translateX(0);
    }
}

/* Tablet & Up */
@media (min-width: 768px) {
    .hero-grid {
        grid-template-columns: 1.2fr 1fr;
        text-align: left;
    }
    .hero-content {
        text-align: left;
    }
    .hero-description, .hero-cta {
        margin-left: 0;
        margin-right: 0;
        justify-content: flex-start;
    }
    .hero-image-container {
        margin: 0;
    }

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

    .gallery-grid {
        grid-template-columns: 2fr 3fr;
        grid-template-rows: auto auto;
        align-items: start;
    }
    .gallery-grid img:nth-child(1) {
        grid-row: 1 / 3;
    }
    .gallery-grid img:nth-child(3) {
        grid-column: 2;
        grid-row: 2;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    :root {
         --space-section: 120px;
    }
    .hero-title {
        font-size: 3.75rem;
    }
}