/* ===== CSS Custom Properties ===== */
:root {
    /* Colors */
    --color-primary: #F5A623;
    --color-primary-dark: #E09000;
    --color-primary-light: #FFD93D;
    --color-dark: #2D2D2D;
    --color-dark-light: #4A4A4A;
    --color-white: #FFFFFF;
    --color-gray-50: #FAFAFA;
    --color-gray-100: #F8F8F8;
    --color-gray-200: #EEEEEE;
    --color-gray-300: #E0E0E0;
    --color-gray-400: #BDBDBD;
    --color-gray-500: #9E9E9E;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-dark);
}

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

/* ===== Navigation ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav__logo img {
    height: 55px;
    width: auto;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav__link {
    font-weight: 500;
    color: var(--color-dark);
    position: relative;
    padding: var(--spacing-sm) 0;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__cta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-weight: 700;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.nav__toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-dark);
    transition: all var(--transition-base);
}

/* ===== Hero Section - Centered ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('assets/images/hero.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: scroll;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: rgba(45, 45, 45, 0.7);
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: 100px var(--container-padding) var(--spacing-3xl);
}

.hero__title {
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
    font-weight: 800;
    color: var(--color-white);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.hero__subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Fade Animation ===== */
.fade-in {
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

.fade-in:nth-child(1) {
    animation-delay: 0.2s;
}

.fade-in:nth-child(2) {
    animation-delay: 0.4s;
}

.fade-in:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Section Styles ===== */
.section__title {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
    font-weight: 700;
    color: var(--color-dark);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section__title--left {
    text-align: left;
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-500);
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

/* ===== Why Choose Us Section ===== */
.why-us {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-white);
}

.why-us__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.why-us__item {
    text-align: center;
    padding: var(--spacing-xl);
}

.why-us__icon {
    width: 90px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(245, 166, 35, 0.1);
    border-radius: 50%;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.why-us__item:hover .why-us__icon {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.1);
}

.why-us__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.why-us__text {
    color: var(--color-gray-500);
    line-height: 1.7;
}

/* ===== Services Section - Zig-Zag ===== */
.services {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-gray-100);
}

.service-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.service-row:last-child {
    margin-bottom: 0;
}

.service-row--reverse {
    flex-direction: row-reverse;
}

.service-row__image {
    flex: 1;
    min-width: 0;
}

.service-row__image img {
    width: 100%;
    height: 350px;
    object-fit: cover;
}

.service-row__content {
    flex: 1;
    padding: var(--spacing-2xl);
}

.service-row__title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.service-row__text {
    color: var(--color-gray-500);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.service-row__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.service-row__list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-dark);
    font-weight: 500;
}

.service-row__list li::before {
    content: '';
    width: 8px;
    height: 8px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

/* ===== Process Section ===== */
.process {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-gray-100);
}

.process__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

.process__step {
    text-align: center;
    padding: var(--spacing-2xl);
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
}

.process__number {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-dark);
    font-size: var(--font-size-2xl);
    font-weight: 800;
    border-radius: 50%;
    margin: 0 auto var(--spacing-lg);
}

.process__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.process__text {
    color: var(--color-gray-500);
    line-height: 1.7;
}

/* ===== About Section ===== */
.about {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-white);
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about__text {
    color: var(--color-dark-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.about__text strong {
    color: var(--color-primary);
}

.about__image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* ===== Gallery Section ===== */
.gallery {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-gray-100);
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.gallery__item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-md);
}

.gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery__overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(245, 166, 35, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
    color: var(--color-white);
}

.gallery__item:hover img {
    transform: scale(1.1);
}

.gallery__item:hover .gallery__overlay {
    opacity: 1;
}

.gallery__cta {
    text-align: center;
}

/* ===== Contact Section ===== */
.contact {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-white);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-3xl);
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.contact__item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.contact__icon {
    width: 55px;
    height: 55px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(245, 166, 35, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact__text h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--spacing-xs);
}

.contact__text p,
.contact__text a {
    color: var(--color-gray-500);
}

.contact__text a:hover {
    color: var(--color-primary);
}

.contact__map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.contact__map iframe {
    display: block;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
}

.footer__content {
    text-align: center;
}

.footer__content p {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
}

/* ===== Lightbox ===== */
.lightbox {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox__close {
    position: absolute;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    background: none;
    border: none;
    color: var(--color-white);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.lightbox__close:hover {
    color: var(--color-primary);
}

.lightbox__image {
    max-width: 90%;
    max-height: 90vh;
    border-radius: var(--radius-md);
    transform: scale(0.9);
    transition: transform var(--transition-base);
}

.lightbox.active .lightbox__image {
    transform: scale(1);
}

.lightbox__prev,
.lightbox__next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--color-white);
    cursor: pointer;
    padding: var(--spacing-md);
    border-radius: 50%;
    transition: all var(--transition-base);
    z-index: 10;
}

.lightbox__prev:hover,
.lightbox__next:hover {
    background: var(--color-primary);
    color: var(--color-dark);
}

.lightbox__prev {
    left: var(--spacing-xl);
}

.lightbox__next {
    right: var(--spacing-xl);
}

/* ===== Reveal Animation ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

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

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {

    .about__grid,
    .contact__grid {
        gap: var(--spacing-2xl);
    }

    .service-row {
        gap: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

    .nav__menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav__menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav__cta {
        display: none;
    }

    .nav__toggle {
        display: flex;
    }

    .nav__toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .nav__toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero__content {
        padding: 120px var(--container-padding) var(--spacing-3xl);
    }

    .why-us__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .service-row,
    .service-row--reverse {
        flex-direction: column;
    }

    .service-row__image img {
        height: 250px;
    }

    .service-row__content {
        padding: var(--spacing-xl);
    }

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

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

    .about__image {
        order: -1;
    }

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

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

    .contact__map {
        order: -1;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: var(--font-size-2xl);
    }

    .btn--large {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }

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

    .section__title {
        font-size: var(--font-size-2xl);
    }
}