/* ============================================= */
/* === 1. VARIABLES & BASIC SETUP ============== */
/* ============================================= */

:root {
    /* --- Core Colors (HEX) - Earthy/Sophisticated Tones for Carpentry --- */
    --color-primary: #5D4037;
    --color-accent1: #FFA726;
    --color-accent2: #8D6E63;

    /* --- Light Theme Colors --- */
    --color-light-bg: #F5F5F5;
    --color-light-card: #FFFFFF;
    --color-light-text: #3E2723;
    --color-light-text-muted: #795548;
    --color-light-shadow: rgba(93, 64, 55, 0.15);
    --color-light-border: #D7CCC8;
    --color-light-section-even-bg: #EFEBE9;
    --color-light-footer-bg: #D7CCC8;
    --color-light-tag-badge-bg: #FFE0B2;
    --color-light-focus-glow: rgba(255, 167, 38, 0.25);

    /* --- Dark Theme Colors --- */
    --color-dark-bg: #3E2723;
    --color-dark-card: #4E342E;
    --color-dark-text: #EFEBE9;
    --color-dark-text-muted: #BCAAA4;
    --color-dark-shadow: rgba(0, 0, 0, 0.25);
    --color-dark-border: #5D4037;
    --color-dark-section-even-bg: #2D1B17;
    --color-dark-footer-bg: #2D1B17;
    --color-dark-tag-badge-bg: #A1887F;
    --color-dark-focus-glow: rgba(255, 167, 38, 0.3);

    /* --- Theme Switching Variables (Defaults to Light Theme) --- */
    --bg-color: var(--color-light-bg);
    --card-color: var(--color-light-card);
    --text-color: var(--color-light-text);
    --text-muted-color: var(--color-light-text-muted);
    --heading-color: var(--color-primary);
    --accent-color: var(--color-accent1);
    --secondary-accent-color: var(--color-accent2);
    --shadow-color: var(--color-light-shadow);
    --header-bg: rgba(245, 245, 245, 0.9);

    --current-border-color: var(--color-light-border);
    --current-section-even-bg: var(--color-light-section-even-bg);
    --current-footer-bg: var(--color-light-footer-bg);
    --current-tag-badge-bg: var(--color-light-tag-badge-bg);
    --current-focus-glow-color: var(--color-light-focus-glow);

    --font-primary: 'Poppins', sans-serif;
    --transition-speed: 0.3s;
    --transition-theme: 0.6s;
    --base-font-size: 16px;
    --space-unit: 1rem;
    --radius: 6px;
    --header-height: 70px;
    --content-width: 1100px;
}

/* ============================================= */
/* === 2. BASE STYLES & RESETS ================= */
/* ============================================= */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
    font-size: var(--base-font-size);
    scroll-padding-top: 80px;
}

html[lang] {
    line-height: 1.7;
}

body {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.7;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color var(--transition-theme) ease, color var(--transition-theme) ease;
    overflow-x: hidden;
}

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

/* ============================================= */
/* === 3. THEME STYLES (DARK MODE) ============= */
/* ============================================= */

body.dark-mode {
    --bg-color: var(--color-dark-bg);
    --card-color: var(--color-dark-card);
    --text-color: var(--color-dark-text);
    --text-muted-color: var(--color-dark-text-muted);
    --heading-color: var(--color-accent1);
    --shadow-color: var(--color-dark-shadow);
    --header-bg: rgba(62, 39, 35, 0.9);
    --current-border-color: var(--color-dark-border);
    --current-section-even-bg: var(--color-dark-section-even-bg);
    --current-footer-bg: var(--color-dark-footer-bg);
    --current-tag-badge-bg: var(--color-dark-tag-badge-bg);
    --current-focus-glow-color: var(--color-dark-focus-glow);
}

body.dark-mode .cta-button {
    color: var(--color-dark-bg);
}

body.dark-mode .cta-button:hover,
body.dark-mode .cta-button:focus {
    color: var(--color-dark-bg);
}

body:not(.dark-mode) .cta-button {
    color: var(--color-light-card);
}

body:not(.dark-mode) .cta-button:hover,
body:not(.dark-mode) .cta-button:focus {
    color: var(--color-light-card);
}

body.dark-mode .hero-logo-mark {
    border-color: var(--accent-color);
}

body.dark-mode .hero-content h1 {
    color: var(--text-color);
}

body.dark-mode .hero-role {
    color: var(--accent-color);
}

body.dark-mode .hero-tagline {
    color: var(--text-muted-color);
}

body.dark-mode #contact-form input[type="text"],
body.dark-mode #contact-form input[type="email"],
body.dark-mode #contact-form input[type="tel"],
body.dark-mode #contact-form textarea {
    background-color: var(--color-dark-card);
    border-color: var(--current-border-color);
    color: var(--text-color);
}

/* ============================================= */
/* === 4. UTILITY CLASSES ====================== */
/* ============================================= */

.container {
    max-width: var(--content-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

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

/* ============================================= */
/* === 5. LAYOUT STYLES ======================== */
/* ============================================= */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    height: var(--header-height);
    background-color: var(--header-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: background-color var(--transition-theme) ease, box-shadow var(--transition-theme) ease;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.section {
    padding-top: 4rem;
    padding-bottom: 4rem;
}

.section:nth-of-type(even) {
    background-color: var(--current-section-even-bg);
    transition: background-color var(--transition-theme) ease;
}

.site-footer {
    background-color: var(--current-footer-bg);
    color: var(--text-muted-color);
    padding-top: 2rem;
    padding-bottom: 2rem;
    text-align: center;
    font-size: 0.9rem;
    margin-top: 3rem;
    border-top: 1px solid var(--current-border-color);
    transition: background-color var(--transition-theme) ease, color var(--transition-theme) ease, border-color var(--transition-theme) ease;
}

.footer-content p {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.footer-content p:last-child {
    margin-bottom: 0;
}

/* ============================================= */
/* === 6. TYPOGRAPHY === */
/* ============================================= */

h1,
h2,
h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.3;
    color: var(--heading-color);
    transition: color var(--transition-theme) ease;
}

h1 {
    margin-top: 0;
    font-size: 2.8rem;
    font-weight: 700;
}

h2 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 2.5rem;
}

h2 i {
    margin-right: 12px;
    color: var(--accent-color);
    transition: color var(--transition-theme) ease;
}

h3 {
    font-size: 1.6rem;
    color: var(--heading-color);
    margin-bottom: 0.75rem;
}

body.dark-mode h3 {
    color: var(--text-color);
}

p {
    margin-bottom: 1.25em;
}

small {
    font-size: 0.889em;
}

strong {
    font-weight: 600;
    color: var(--accent-color);
}

body.dark-mode strong {
    color: var(--accent-color);
}

em {
    font-style: italic;
}

a:not(.cta-button):not(.logo a) {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-speed) ease;
}

a:not(.cta-button):not(.logo a):hover,
a:not(.cta-button):not(.logo a):focus {
    color: var(--secondary-accent-color);
    outline: 2px solid transparent;
    outline-offset: 2px;
}

a:focus-visible {
    outline-color: var(--accent-color);
}

/* ============================================= */
/* === 7. COMPONENTS =========================== */
/* ============================================= */

/* --- Logo --- */
.logo a {
    font-size: 1.9rem;
    font-weight: 700;
    color: var(--text-color);
    transition: color var(--transition-theme) ease;
    text-decoration: none;
}

.logo a span {
    color: var(--accent-color);
    transition: color var(--transition-theme) ease;
}

.logo a:hover {
    color: var(--heading-color);
}

.logo a:hover span {
    color: var(--secondary-accent-color);
}

/* --- Main Navigation --- */
.main-nav {
    display: flex;
    align-items: center;
}

.main-nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 25px;
    margin: 0;
}

.nav-link {
    font-weight: 500;
    color: var(--text-color);
    position: relative;
    padding-bottom: 5px;
    transition: color var(--transition-theme) ease;
    text-decoration: none;
}

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

.nav-link:hover,
.nav-link:focus,
.nav-link.active {
    color: var(--accent-color);
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1100;
    margin-left: 15px;
}

.hamburger {
    display: block;
    position: relative;
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    border-radius: 3px;
    transition: transform var(--transition-speed) ease, background-color var(--transition-theme) ease;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--text-color);
    border-radius: 3px;
    transition: transform var(--transition-speed) ease, top var(--transition-speed) ease, bottom var(--transition-speed) ease, background-color var(--transition-theme) ease;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

.nav-open .hamburger {
    background-color: transparent;
}

.nav-open .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.nav-open .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

/* --- Theme Toggle Button --- */
#theme-toggle {
    background: var(--card-color);
    color: var(--text-color);
    border: 1px solid var(--current-border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
    cursor: pointer;
    z-index: 1001;
    box-shadow: 0 2px 5px var(--shadow-color);
    margin-left: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
    transition: background-color var(--transition-theme) ease, color var(--transition-theme) ease, transform 0.2s ease, box-shadow var(--transition-theme) ease, border-color var(--transition-theme) ease;
}

#theme-toggle:hover {
    transform: scale(1.1);
    color: var(--accent-color);
    border-color: var(--accent-color);
}

/* --- Buttons (CTA) --- */
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    letter-spacing: 0.5px;
    text-align: center;
    text-decoration: none;
    background-color: var(--accent-color);
    border: 2px solid var(--accent-color);
    box-shadow: 0 4px 8px var(--shadow-color);
    transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease, border-color var(--transition-speed) ease, transform 0.2s ease, box-shadow var(--transition-speed) ease;
}

.cta-button:hover,
.cta-button:focus {
    background-color: var(--secondary-accent-color);
    border-color: var(--secondary-accent-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px var(--shadow-color);
}

.cta-button i {
    margin-right: 10px;
}

.cta-button i.fa-arrow-right {
    margin-left: 8px;
    margin-right: 0;
}

/* --- Hero Section --- */
.hero-section {
    min-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: var(--header-height);
    padding-bottom: 3rem;
    padding-left: 20px;
    padding-right: 20px;
    overflow: hidden;
    position: relative;
    background: linear-gradient(rgba(var(--bg-color-rgb, 245, 245, 245), 0.5), rgba(var(--bg-color-rgb, 245, 245, 245), 0.8)),
        url('assets/images/hero/carpentry-hero-bg.jpg') no-repeat center center/cover;
}

body:not(.dark-mode) .hero-section {
    --bg-color-rgb: 245, 245, 245;
}

body.dark-mode .hero-section {
    --bg-color-rgb: 62, 39, 35;
}

.hero-logo-mark {
    width: 500px;
    height: 500px;
    margin: 0 auto 1.5rem auto;
    transition: border-color var(--transition-theme) ease, filter var(--transition-theme) ease;
}

.hero-profile-pic {
    width: 150px;
    height: 150px;
    margin: 0 auto 2rem auto;
    transition: border-color var(--transition-theme) ease, box-shadow var(--transition-theme) ease;
}

.hero-background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.5;
    transition: opacity var(--transition-theme) ease;
}

.hero-role {
    font-size: 2rem;
    color: var(--accent-color);
    font-weight: 500;
    margin-bottom: 0.75rem;
    letter-spacing: 1px;
}

.hero-tagline {
    font-size: 1.3rem;
    color: var(--text-muted-color);
    max-width: 750px;
    margin: 0 auto 2.5rem auto;
    line-height: 1.7;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px 20px;
    margin-top: 1.5rem;
}

/* --- About Section --- */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-muted-color);
}

.about-content p {
    margin-bottom: 1.2rem;
    line-height: 1.8;
}

/* --- Services Section (replaces Skills) --- */
.services-section {}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.service-item {
    background-color: var(--card-color);
    padding: 2.5rem 2rem;
    border-radius: var(--radius);
    box-shadow: 0 5px 15px var(--shadow-color);
    border: 1px solid var(--current-border-color);
    text-align: center;
    transition: background-color var(--transition-theme) ease, box-shadow var(--transition-speed) ease, border-color var(--transition-speed) ease, transform 0.2s ease;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px var(--shadow-color);
    border-color: var(--accent-color);
}

.service-icon {
    color: var(--accent-color);
    margin-bottom: 1.5rem;
    transition: color var(--transition-theme) ease;
}

.service-item h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--heading-color);
    font-weight: 600;
}

.service-item p {
    color: var(--text-muted-color);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* --- Gallery Section (replaces Projects) --- */
.gallery-section>.container>h2+p {
    text-align: center;
    max-width: 700px;
    margin: -1.5rem auto 2.5rem auto;
    font-size: 1.1rem;
    color: var(--text-muted-color);
    line-height: 1.8;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.gallery-card {
    background-color: var(--card-color);
    border-radius: var(--radius);
    box-shadow: 0 6px 18px var(--shadow-color);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--current-border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease, background-color var(--transition-theme) ease;
}

.gallery-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px var(--shadow-color);
    border-color: var(--accent-color);
}

.gallery-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.gallery-video {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.gallery-card-content {
    padding: 1.8rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.gallery-card-content h3 {
    margin: 0 0 0.75rem 0;
    font-size: 1.45rem;
    color: var(--heading-color);
    line-height: 1.4;
}

body.dark-mode .gallery-card-content h3 {
    color: var(--text-color);
}

.gallery-tags {
    margin-bottom: 1.2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-badge {
    display: inline-block;
    background-color: var(--current-tag-badge-bg);
    color: var(--accent-color);
    padding: 5px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    line-height: 1.2;
    transition: background-color var(--transition-theme) ease, color var(--transition-theme) ease;
}

body.dark-mode .tag-badge {
    color: var(--color-dark-text);
}

.gallery-card-content p {
    font-size: 0.95rem;
    color: var(--text-muted-color);
    margin-bottom: 0;
    flex-grow: 1;
    line-height: 1.7;
}

.view-more-gallery-container {
    text-align: center;
    margin-top: 2.5rem;
}

/* --- Contact Section --- */
.contact-section>.container>h2+p {
    text-align: center;
    max-width: 700px;
    margin: -1.5rem auto 2.5rem auto;
    font-size: 1.1rem;
    color: var(--text-muted-color);
    line-height: 1.8;
}

.contact-form-container {
    max-width: 700px;
    margin: 2rem auto;
    padding: 2.5rem;
    background-color: var(--card-color);
    border-radius: var(--radius);
    box-shadow: 0 5px 15px var(--shadow-color);
    border: 1px solid var(--current-border-color);
    transition: background-color var(--transition-theme) ease, box-shadow var(--transition-theme) ease, border-color var(--transition-theme) ease;
}

#contact-form {
    display: grid;
    gap: 1.8rem;
}

.form-group {
    display: grid;
    gap: 8px;
}

#contact-form label {
    font-weight: 500;
    color: var(--text-muted-color);
    font-size: 0.9rem;
    transition: color var(--transition-theme) ease;
}

#contact-form input[type="text"],
#contact-form input[type="email"],
#contact-form input[type="tel"],
#contact-form textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--current-border-color);
    border-radius: var(--radius);
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-speed) ease, background-color var(--transition-theme) ease, color var(--transition-theme) ease, box-shadow var(--transition-speed) ease;
}

#contact-form input[type="text"]:focus,
#contact-form input[type="email"]:focus,
#contact-form input[type="tel"]:focus,
#contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--current-focus-glow-color);
}

#contact-form textarea {
    resize: vertical;
    min-height: 130px;
}

#contact-form input::placeholder,
#contact-form textarea::placeholder {
    color: var(--text-muted-color);
    opacity: 0.7;
    transition: color var(--transition-theme) ease;
}

#contact-form button[type="submit"] {
    justify-self: start;
    width: auto;
    cursor: pointer;
}

/* --- Social Links Section --- */
.social-links {
    text-align: center;
    margin: 3rem 0 1rem 0;
}

.social-links a {
    font-size: 2rem;
    margin: 0 12px;
    color: var(--text-muted-color);
    display: inline-block;
    transition: color var(--transition-speed) ease, transform 0.2s ease;
}

.social-links a:hover,
.social-links a:focus {
    color: var(--accent-color);
    transform: scale(1.15) translateY(-2px);
}

/* ============================================= */
/* === 8. RESPONSIVE STYLES ==================== */
/* ============================================= */

@media (max-width: 768px) {
    :root {
        --base-font-size: 15px;
        --space-unit: 0.9rem;
        --header-height: 65px;
    }

    html {
        font-size: var(--base-font-size);
        scroll-padding-top: calc(var(--header-height) + 10px);
    }

    .section {
        padding-top: 3rem;
        padding-bottom: 3rem;
    }

    .hero-section {
        min-height: auto;
        padding-top: calc(var(--header-height) + 20px);
        padding-bottom: 2rem;
    }

    .hero-logo-mark {
        width: 120px;
        height: 120px;
    }

    h1 {
        font-size: 2.2rem;
    }

    .hero-role {
        font-size: 1.7rem;
    }

    .hero-tagline {
        font-size: 1.15rem;
    }

    h2 {
        font-size: 1.9rem;
        margin-bottom: 2rem;
    }

    h3 {
        font-size: 1.4rem;
    }

    .header-container {
        position: relative;
    }

    .nav-toggle {
        display: block;
    }

    .main-nav .nav-menu {
        display: none;
        position: absolute;
        top: var(--header-height);
        right: 0;
        width: 280px;
        background-color: var(--card-color);
        flex-direction: column;
        padding: 15px 0;
        border-radius: 0 0 var(--radius) var(--radius);
        box-shadow: 0 8px 16px var(--shadow-color);
        text-align: right;
        gap: 0;
        z-index: 1050;
        opacity: 0;
        transform: translateY(-10px) scale(0.98);
        pointer-events: none;
        transition: opacity var(--transition-speed) ease, transform var(--transition-speed) ease, background-color var(--transition-theme) ease;
    }

    .nav-open .nav-menu {
        display: flex;
        opacity: 1;
        transform: translateY(0) scale(1);
        pointer-events: auto;
    }

    .main-nav li {
        width: 100%;
        border-bottom: 1px solid var(--current-border-color);
        transition: border-color var(--transition-theme) ease;
    }

    .main-nav li:last-child {
        border-bottom: none;
    }

    .nav-link {
        display: block;
        padding: 15px 25px;
        width: 100%;
        text-align: right;
    }

    .nav-link::after {
        display: none;
    }

    .services-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 1.8rem;
    }

    .social-links a {
        font-size: 1.8rem;
        margin: 0 10px;
    }

    .contact-form-container {
        padding: 2rem 1.5rem;
    }

    #contact-form {
        gap: 1.5rem;
    }
}