/* ========================================
   CSS VARIABLES
   ======================================== */

:root {
    /* Colors */
    --color-primary: #c9b89b;
    --color-primary-light: #d9c9ad;
    --color-primary-dark: #b9a88b;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-background: #ffffff;
    --color-background-light: #faf8f5;
    --color-border: #e5e5e5;
    --color-error: #d84545;
    --color-success: #4caf50;

    /* Typography */
    --font-serif: 'Georgia', 'Times New Roman', serif;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;

    --font-size-base: 16px;
    --font-size-small: 14px;
    --font-size-large: 18px;
    --font-size-h1: 48px;
    --font-size-h2: 36px;
    --font-size-h3: 28px;
    --font-size-h4: 22px;

    --line-height-base: 1.6;
    --line-height-heading: 1.2;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 40px;
    --spacing-xl: 64px;
    --spacing-xxl: 96px;

    /* Layout */
    --container-width: 1200px;
    --border-radius: 4px;

    /* Transitions */
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: var(--line-height-base);
    overflow-x: hidden;
}

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

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    line-height: var(--line-height-heading);
    font-weight: 400;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-h1);
}

h2 {
    font-size: var(--font-size-h2);
}

h3 {
    font-size: var(--font-size-h3);
}

h4 {
    font-size: var(--font-size-h4);
}

p {
    margin-bottom: var(--spacing-md);
}

/* ========================================
   LAYOUT UTILITIES
   ======================================== */

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xxl) 0;
}

.section--light {
    background-color: var(--color-background-light);
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section__title {
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.section__subtitle {
    color: var(--color-text-light);
    font-size: var(--font-size-large);
    font-family: var(--font-serif);
    font-style: italic;
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: var(--font-size-base);
    font-weight: 500;
    text-align: center;
    border-radius: var(--border-radius);
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-background);
    border: 2px solid var(--color-primary);
}

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

.btn--secondary {
    background-color: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn--secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn--large {
    padding: 16px 40px;
    font-size: var(--font-size-large);
}

/* ========================================
   NAVIGATION
   ======================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: transform var(--transition-base);
}

.nav__container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo-img {
    height: 50px;
    width: auto;
    filter: invert(1);
}

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

.nav__link {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    padding: 8px 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 {
    width: 100%;
}

.nav__link--cta {
    padding: 10px 24px;
    background-color: var(--color-primary);
    color: var(--color-background);
    border-radius: var(--border-radius);
}

.nav__link--cta:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-background);
}

.nav__link--cta::after {
    display: none;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
}

.nav__toggle-bar {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: all var(--transition-base);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero__image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.5));
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-background);
    padding: var(--spacing-md);
}

.hero__title {
    font-size: 64px;
    color: var(--color-background);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.hero__subtitle {
    font-size: 22px;
    font-family: var(--font-serif);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* ========================================
   ABOUT SECTION
   ======================================== */

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

.about__image-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
}

.about__image {
    width: 100%;
    height: auto;
    transition: transform var(--transition-slow);
}

.about__image-wrapper:hover .about__image {
    transform: scale(1.05);
}

.about__text p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.about__text p:first-of-type {
    font-size: var(--font-size-large);
    color: var(--color-text);
}

/* ========================================
   SERVICES SECTION
   ======================================== */

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.service {
    background-color: var(--color-background);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.service:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.service__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-background-light);
    border-radius: 50%;
    color: var(--color-primary);
}

.service__icon svg {
    width: 32px;
    height: 32px;
}

.service__title {
    font-size: var(--font-size-h4);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.service__description {
    color: var(--color-text-light);
    font-size: var(--font-size-base);
    line-height: 1.6;
    margin: 0;
}

.services__note {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.services__highlight {
    display: inline-flex;
    align-items: center;
    background-color: var(--color-background);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    color: var(--color-text);
    font-size: var(--font-size-large);
    font-weight: 500;
    margin: 0;
}

.services__highlight svg {
    flex-shrink: 0;
    color: var(--color-primary);
}

/* ========================================
   PORTFOLIO SECTION
   ======================================== */

.portfolio__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.portfolio__item {
    display: block;
    background-color: var(--color-background);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.portfolio__item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.portfolio__image-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 3;
}

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

.portfolio__item:hover .portfolio__image {
    transform: scale(1.1);
}

.portfolio__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(201, 184, 155, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio__item:hover .portfolio__overlay {
    opacity: 1;
}

.portfolio__view {
    color: var(--color-background);
    font-size: var(--font-size-large);
    font-weight: 500;
}

.portfolio__info {
    padding: var(--spacing-md);
}

.portfolio__title {
    font-size: var(--font-size-h4);
    margin-bottom: var(--spacing-xs);
}

.portfolio__count {
    color: var(--color-text-light);
    font-size: var(--font-size-small);
}

/* ========================================
   TESTIMONIALS SECTION
   ======================================== */

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial {
    background-color: var(--color-background);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.testimonial:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.testimonial__text {
    font-style: italic;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    position: relative;
}

.testimonial__text::before {
    content: '"';
    font-size: 48px;
    font-family: var(--font-serif);
    color: var(--color-primary);
    position: absolute;
    top: -12px;
    left: -8px;
    opacity: 0.3;
}

.testimonial__name {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.testimonial__date {
    color: var(--color-text-light);
    font-size: var(--font-size-small);
}

/* ========================================
   CONTACT SECTION
   ======================================== */

.contact__wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.contact__form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form__group {
    display: flex;
    flex-direction: column;
}

.form__group--full {
    grid-column: 1 / -1;
}

.form__label {
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.form__required {
    color: var(--color-error);
}

.form__input,
.form__textarea {
    padding: 12px 16px;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: border-color var(--transition-base);
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form__input[aria-invalid="true"],
.form__textarea[aria-invalid="true"] {
    border-color: var(--color-error);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.form__error {
    color: var(--color-error);
    font-size: var(--font-size-small);
    margin-top: var(--spacing-xs);
    display: none;
}

.form__error:not(:empty) {
    display: block;
}

.form__checkbox-wrapper {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.form__checkbox {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form__checkbox-label {
    font-size: var(--font-size-small);
    color: var(--color-text-light);
    line-height: 1.5;
}

.form__success {
    display: none;
    background-color: var(--color-success);
    color: var(--color-background);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    margin-top: var(--spacing-md);
    grid-column: 1 / -1;
}

.form__success.active {
    display: block;
}

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

.contact__info-title {
    font-size: var(--font-size-h4);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.contact__link {
    color: var(--color-primary);
    font-weight: 500;
}

.contact__social {
    display: flex;
    gap: var(--spacing-sm);
}

.contact__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 2px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text);
    transition: all var(--transition-base);
}

.contact__social-link:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background-color: var(--color-text);
    color: var(--color-background-light);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    text-align: center;
}

.footer__logo-img {
    height: 60px;
    width: auto;
}

.footer__links {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: center;
}

.footer__link {
    color: var(--color-background-light);
    font-size: var(--font-size-small);
    transition: color var(--transition-base);
}

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

.footer__copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-small);
    margin-top: var(--spacing-sm);
}

/* ========================================
   BREADCRUMB
   ======================================== */

.breadcrumb {
    padding: var(--spacing-md) 0;
    margin-top: 70px;
    background-color: var(--color-background-light);
}

.breadcrumb__list {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    flex-wrap: wrap;
}

.breadcrumb__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-small);
    color: var(--color-text-light);
}

.breadcrumb__item:not(:last-child)::after {
    content: '›';
    color: var(--color-text-light);
}

.breadcrumb__link {
    color: var(--color-primary);
}

.breadcrumb__item--active {
    color: var(--color-text);
}

/* ========================================
   SESSION PAGES
   ======================================== */

.session-header {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.session-header__title {
    font-size: var(--font-size-h1);
    margin-bottom: var(--spacing-sm);
}

.session-header__description {
    font-size: var(--font-size-large);
    color: var(--color-text-light);
    font-family: var(--font-serif);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   GALLERY
   ======================================== */

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.gallery__item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    cursor: pointer;
    aspect-ratio: 3 / 4;
    background-color: var(--color-background-light);
}

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

.gallery__item:hover .gallery__image {
    transform: scale(1.05);
}

/* ========================================
   MODAL
   ======================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
}

.modal__content {
    position: relative;
    z-index: 2001;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal__image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
}

.modal__close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 48px;
    height: 48px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-background);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    z-index: 2002;
}

.modal__close:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.modal__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-background);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    z-index: 2002;
}

.modal__nav:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.modal__nav--prev {
    left: var(--spacing-md);
}

.modal__nav--next {
    right: var(--spacing-md);
}

.modal__counter {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.7);
    color: var(--color-background);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: var(--font-size-small);
    z-index: 2002;
}

/* ========================================
   ANIMATIONS
   ======================================== */

.fade-in {
    animation: fadeIn 1s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1024px) {
    :root {
        --font-size-h1: 40px;
        --font-size-h2: 32px;
        --font-size-h3: 24px;
        --spacing-xxl: 64px;
        --spacing-xl: 48px;
    }

    .hero__title {
        font-size: 48px;
    }

    .about__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .contact__wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .portfolio__grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }

    .services__grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-h1: 32px;
        --font-size-h2: 28px;
        --font-size-h3: 22px;
        --spacing-xxl: 48px;
        --spacing-xl: 32px;
    }

    .hero__title {
        font-size: 36px;
    }

    .hero__subtitle {
        font-size: 18px;
    }

    .nav__menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--color-background);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        gap: var(--spacing-md);
    }

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

    .nav__toggle {
        display: flex;
    }

    .nav__toggle.active .nav__toggle-bar:nth-child(1) {
        transform: rotate(45deg) translateY(10px);
    }

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

    .nav__toggle.active .nav__toggle-bar:nth-child(3) {
        transform: rotate(-45deg) translateY(-10px);
    }

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

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

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

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

    .gallery__grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: var(--spacing-sm);
    }

    .modal__nav {
        width: 44px;
        height: 44px;
    }

    .modal__close {
        width: 40px;
        height: 40px;
    }

    .footer__links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .session-header__title {
        font-size: var(--font-size-h2);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 16px;
        --spacing-lg: 24px;
    }

    .hero {
        min-height: 500px;
    }

    .hero__title {
        font-size: 28px;
    }

    .hero__subtitle {
        font-size: 16px;
    }

    .btn {
        padding: 12px 24px;
    }

    .section {
        padding: var(--spacing-xl) 0;
    }

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

/* ========================================
   ACCESSIBILITY
   ======================================== */

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}