/* ==========================================================================
   Craig Grading CO. LLC - Main Stylesheet
   High-performance, mobile-first CSS with design system
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
    /* Colors */
    --color-primary: #2B2B2B;
    --color-secondary: #6A5420;
    --color-secondary-dark: #574418;
    --color-background: #F2F1EC;
    --color-white: #FFFFFF;
    --color-text: #2B2B2B;
    --color-text-light: #5A5A5A;
    --color-border: #D4D3CE;

    /* Typography - Increased sizes */
    --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-size-base: 1.125rem;
    --font-size-sm: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.75rem;
    --font-size-2xl: 2.25rem;
    --font-size-3xl: 3rem;
    --font-size-4xl: 3.5rem;
    --line-height-base: 1.7;
    --line-height-tight: 1.25;

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

    /* Layout */
    --max-width: 1400px;
    --header-height: 100px;
    --border-radius: 4px;

    /* Transitions */
    --transition-fast: 150ms ease-out;
    --transition-base: 250ms ease-out;
}

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

html {
    scroll-behavior: smooth;
}

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

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

a {
    color: inherit;
    text-decoration: none;
}

ul,
ol {
    list-style: none;
}

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

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: var(--line-height-tight);
    color: var(--color-primary);
}

h1 {
    font-size: clamp(var(--font-size-2xl), 5vw, var(--font-size-4xl));
}

h2 {
    font-size: clamp(var(--font-size-xl), 4vw, var(--font-size-3xl));
    margin-bottom: var(--space-lg);
}

h3 {
    font-size: clamp(var(--font-size-lg), 3vw, var(--font-size-xl));
    margin-bottom: var(--space-md);
}

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

p:last-child {
    margin-bottom: 0;
}

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

.text-light {
    color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   Layout Utilities
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-3xl) 0;
    border-bottom: 1px solid var(--color-border);
}

.section-lg {
    padding: var(--space-4xl) 0;
    border-bottom: 1px solid var(--color-border);
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    height: var(--header-height);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.nav__logo {
    height: 180px;
    width: auto;
    transition: height var(--transition-base), transform var(--transition-base);
}

/* Scrolled state - logo shrinks to fit nav */
.header.is-scrolled .nav__logo {
    height: 70px;
}

/* Mobile: show mobile logo, hide desktop elements */
.nav__logo-wrapper--desktop {
    display: none;
}

.nav__links {
    display: none;
}

.nav__link {
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    transition: color var(--transition-fast);
}

.nav__link:hover,
.nav__link:focus {
    color: var(--color-secondary);
}

.nav__link--active {
    color: var(--color-secondary);
}

/* Mobile Menu Toggle */
.nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    z-index: 1001;
}

.nav__toggle-bar {
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.nav__mobile {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-white);
    padding: var(--space-xl);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.nav__mobile.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.nav__mobile-link {
    display: block;
    padding: var(--space-md) 0;
    font-size: var(--font-size-lg);
    font-weight: 500;
    border-bottom: 1px solid var(--color-border);
}

.nav__mobile-link:last-child {
    border-bottom: none;
}

/* Desktop Navigation */
@media (min-width: 768px) {
    .nav {
        display: grid;
        grid-template-columns: 1fr auto 1fr;
        gap: var(--space-xl);
    }

    .nav__left {
        display: flex;
        justify-content: flex-end;
        align-items: center;
        gap: var(--space-md);
        align-self: center;
        margin-top: -60px;
    }

    .nav__right {
        display: flex;
        justify-content: flex-start;
        align-items: center;
        gap: var(--space-md);
        align-self: center;
        margin-top: -60px;
    }

    /* When scrolled, reset link positions */
    .header.is-scrolled .nav__left,
    .header.is-scrolled .nav__right {
        margin-top: 0;
    }

    .nav__links {
        display: flex;
    }

    .nav__logo-wrapper--mobile {
        display: none;
    }

    .nav__logo-wrapper--desktop {
        display: flex;
        justify-content: center;
    }

    .nav__toggle {
        display: none;
    }

    .nav__mobile {
        display: none;
    }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) var(--space-xl);
    font-weight: 600;
    font-size: var(--font-size-base);
    border-radius: var(--border-radius);
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.btn:focus {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

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

.btn--primary:hover {
    background-color: var(--color-secondary-dark);
    transform: translateY(-1px);
}

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

.btn--outline:hover {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

/* White outline button in hero for visibility on dark background */
.hero .btn--outline {
    border-color: var(--color-white);
    color: var(--color-white);
}

.hero .btn--outline:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
}

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

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    background: linear-gradient(135deg, var(--color-primary) 0%, #3d3d3d 100%);
    overflow: hidden;
    border-bottom: none;
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    padding: var(--space-3xl) 0;
}

.hero__title {
    color: var(--color-white);
    margin-bottom: var(--space-lg);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero__title span {
    color: var(--color-secondary);
}

.hero__subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-xl);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

/* Hero image wrapper for overlay */
.hero__image-wrapper {
    position: absolute;
    right: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

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

/* Gold overlay only on the image */
.hero__image-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(106, 84, 32, 0.6) 0%, rgba(43, 43, 43, 0.7) 100%);
}

@media (min-width: 768px) {
    .hero__image-wrapper {
        width: 60%;
    }
}

@media (min-width: 1024px) {
    .hero {
        min-height: 90vh;
    }

    .hero__image-wrapper {
        width: 55%;
        clip-path: polygon(15% 0, 100% 0, 100% 100%, 0 100%);
    }
}

/* --------------------------------------------------------------------------
   Service Cards
   -------------------------------------------------------------------------- */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}

@media (min-width: 640px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.service-card {
    background-color: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.service-card__icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-md);
    color: var(--color-secondary);
}

.service-card__title {
    margin-bottom: var(--space-sm);
}

.service-card__text {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.service-card__list {
    margin-top: var(--space-md);
    padding-left: var(--space-md);
}

.service-card__list li {
    position: relative;
    padding-left: var(--space-md);
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.service-card__list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-secondary);
}

/* --------------------------------------------------------------------------
   Why Choose Us Strip
   -------------------------------------------------------------------------- */
.why-us {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.why-us__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    text-align: center;
}

@media (min-width: 640px) {
    .why-us__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .why-us__grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.why-us__item {
    padding: var(--space-lg);
}

.why-us__icon {
    width: 40px;
    height: 40px;
    margin: 0 auto var(--space-md);
    color: var(--color-secondary);
}

.why-us__title {
    color: var(--color-white);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
}

.why-us__text {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   Before/After Section
   -------------------------------------------------------------------------- */
.before-after {
    background-color: var(--color-white);
}

.before-after__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 768px) {
    .before-after__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 3-column layout for pairs */
.before-after__grid--three {
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .before-after__grid--three {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Pair container - stacks before/after vertically */
.before-after__pair {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.before-after__item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.before-after__image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.before-after__label {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: var(--space-xs) var(--space-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
    border-radius: var(--border-radius);
}

/* --------------------------------------------------------------------------
   Gallery
   -------------------------------------------------------------------------- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

@media (min-width: 640px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-lg);
    }
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.gallery-item__image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.gallery-item:hover .gallery-item__image {
    transform: scale(1.05);
}

/* Hide hover captions */
.gallery-item__overlay {
    display: none;
}

.gallery-item__caption {
    display: none;
}

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

.lightbox.is-open {
    opacity: 1;
    visibility: visible;
}

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

.lightbox__close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    color: var(--color-white);
    font-size: var(--font-size-2xl);
    padding: var(--space-sm);
}

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

/* --------------------------------------------------------------------------
   About Page
   -------------------------------------------------------------------------- */
.about-intro {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

@media (min-width: 768px) {
    .about-intro {
        grid-template-columns: 1fr 1fr;
    }
}

.about-intro__image {
    border-radius: var(--border-radius);
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.process {
    background-color: var(--color-white);
}

.process__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    counter-reset: process-counter;
}

@media (min-width: 768px) {
    .process__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.process__step {
    text-align: center;
    padding: var(--space-xl);
    counter-increment: process-counter;
}

.process__number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    margin: 0 auto var(--space-lg);
    background-color: var(--color-secondary);
    color: var(--color-white);
    font-size: var(--font-size-xl);
    font-weight: 700;
    border-radius: 50%;
}

/* --------------------------------------------------------------------------
   Contact Page
   -------------------------------------------------------------------------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
}

@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-info__item {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.contact-info__icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--color-secondary);
}

.contact-info__label {
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.contact-info__value {
    color: var(--color-text-light);
}

.contact-info__value a {
    color: var(--color-secondary);
    text-decoration: underline;
}

.contact-info__value a:hover {
    text-decoration: none;
}

/* Contact Form */
.contact-form__group {
    margin-bottom: var(--space-lg);
}

.contact-form__label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.contact-form__input,
.contact-form__textarea {
    width: 100%;
    padding: var(--space-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-white);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-form__input:focus,
.contact-form__textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(106, 84, 32, 0.15);
}

.contact-form__textarea {
    min-height: 150px;
    resize: vertical;
}

.contact-form__error {
    color: #c53030;
    font-size: var(--font-size-sm);
    margin-top: var(--space-xs);
    display: none;
}

.contact-form__group.has-error .contact-form__error {
    display: block;
}

.contact-form__group.has-error .contact-form__input,
.contact-form__group.has-error .contact-form__textarea {
    border-color: #c53030;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

@media (min-width: 768px) {
    .footer__grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer__logo {
    height: auto;
    width: 200px;
    margin-bottom: var(--space-md);
    filter: brightness(0) invert(1);
}

.footer__text {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    max-width: 300px;
}

.footer__title {
    color: var(--color-white);
    font-size: var(--font-size-base);
    margin-bottom: var(--space-md);
}

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

.footer__link {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.footer__contact-item {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
}

.footer__bottom {
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

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

/* --------------------------------------------------------------------------
   Animations (with reduced motion support)
   -------------------------------------------------------------------------- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

.fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .fade-in {
        opacity: 1;
        transform: none;
        transition: none;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

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

.main-content {
    padding-top: var(--header-height);
}