/* =============================================================================
   SUGAR HILLS KILN WORKS - Stylesheet
   Professional B2B Industrial Service Design
   ============================================================================= */

/* -----------------------------------------------------------------------------
   CSS Variables
   ----------------------------------------------------------------------------- */
:root {
    /* Brand Colors - Warm industrial palette */
    --color-primary: #8B4513;      /* Saddle brown - wood tones */
    --color-secondary: #2F4F4F;    /* Dark slate - industrial */
    --color-accent: #D2691E;       /* Chocolate - warm accent */
    --color-accent-bright: #E65C00; /* Burnt orange - energy */
    --color-light: #F5F5DC;        /* Beige - light background */
    --color-dark: #1C1C1C;         /* Near black */
    --color-white: #FFFFFF;
    --color-gray-100: #F7F7F7;
    --color-gray-200: #E5E5E5;
    --color-gray-300: #CCCCCC;
    --color-gray-600: #666666;
    --color-gray-800: #333333;

    /* Typography */
    --font-heading: 'Georgia', serif;
    --font-body: 'Segoe UI', 'Roboto', sans-serif;

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

    /* Container */
    --container-max: 1200px;
    --container-narrow: 800px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-accent-bright);
}

/* -----------------------------------------------------------------------------
   Typography
   ----------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

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

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

.container--narrow {
    max-width: var(--container-narrow);
}

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

.section--gray {
    background-color: var(--color-gray-100);
}

.section--dark {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.section--dark h2,
.section--dark h3 {
    color: var(--color-white);
}

/* -----------------------------------------------------------------------------
   Header & Navigation
   ----------------------------------------------------------------------------- */
.header {
    background-color: var(--color-white);
    border-bottom: 3px solid var(--color-primary);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

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

.logo__icon {
    display: flex;
    align-items: center;
}

.logo__icon .icon {
    width: 36px;
    height: 36px;
    color: var(--color-accent-bright);
}

.logo__text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.1;
}

.logo__text span {
    display: block;
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--color-gray-600);
}

.nav__list {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

.nav__link {
    color: var(--color-gray-800);
    font-weight: 500;
    padding: var(--spacing-xs) 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.nav__link:hover,
.nav__link--active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* -----------------------------------------------------------------------------
   Hero Section
   ----------------------------------------------------------------------------- */
.hero {
    background: linear-gradient(135deg, rgba(47,79,79,0.85) 0%, rgba(26,58,58,0.9) 100%),
                url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?w=1920&q=80') center/cover;
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    color: var(--color-white);
    font-size: 4.5rem;
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
    letter-spacing: -1px;
}

.hero__tagline {
    font-size: 1.75rem;
    color: var(--color-light);
    margin-bottom: var(--spacing-md);
    font-weight: 400;
    letter-spacing: 1px;
}

.hero__description {
    font-size: 1.125rem;
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-md);
}

/* -----------------------------------------------------------------------------
   Buttons
   ----------------------------------------------------------------------------- */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-accent-bright) 0%, #ff7b1c 100%);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(230, 92, 0, 0.4);
    border: none;
}

.btn--primary:hover {
    background: linear-gradient(135deg, #ff7b1c 0%, var(--color-accent-bright) 100%);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(230, 92, 0, 0.5);
}

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

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

.btn--large {
    padding: 1.125rem 3rem;
    font-size: 1.125rem;
    border-radius: 6px;
}

.btn-group {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* -----------------------------------------------------------------------------
   Lucide Icons
   ----------------------------------------------------------------------------- */
.icon {
    width: 48px;
    height: 48px;
    stroke-width: 1.5;
    color: var(--color-primary);
}

.value-prop .icon {
    width: 40px;
    height: 40px;
    color: var(--color-accent-bright);
}

.card .icon {
    width: 56px;
    height: 56px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.step__number .icon {
    width: 28px;
    height: 28px;
    color: white;
}

.footer .icon {
    width: 20px;
    height: 20px;
    display: inline;
    vertical-align: middle;
    margin-right: 0.5rem;
}

/* -----------------------------------------------------------------------------
   Value Props / Stats
   ----------------------------------------------------------------------------- */
.value-props {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    padding: var(--spacing-lg) 0;
    background-color: var(--color-gray-100);
    border-bottom: 1px solid var(--color-gray-200);
}

.value-prop {
    text-align: center;
    padding: var(--spacing-sm);
}

.value-prop__icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
    opacity: 0.8;
}

.value-prop__title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-accent-bright);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.value-prop__text {
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-gray-600);
}

/* -----------------------------------------------------------------------------
   Feature Cards / Grid
   ----------------------------------------------------------------------------- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.card {
    background: var(--color-white);
    border-radius: 12px;
    padding: var(--spacing-md);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    border: 1px solid var(--color-gray-200);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.15);
    border-color: var(--color-accent-bright);
}

.card__icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.card__title {
    margin-bottom: var(--spacing-xs);
}

.card__text {
    color: var(--color-gray-600);
}

/* -----------------------------------------------------------------------------
   How It Works / Steps
   ----------------------------------------------------------------------------- */
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    text-align: center;
}

.step {
    position: relative;
}

.step__number {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-accent-bright) 0%, #ff7b1c 100%);
    color: var(--color-white);
    font-size: 1.75rem;
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    box-shadow: 0 4px 15px rgba(230, 92, 0, 0.4);
}

.step__title {
    margin-bottom: var(--spacing-xs);
}

.step__text {
    color: var(--color-gray-600);
}

/* Arrow between steps */
.step:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -1.5rem;
    top: 35px;
    font-size: 1.5rem;
    color: var(--color-gray-300);
}

/* -----------------------------------------------------------------------------
   Service Area
   ----------------------------------------------------------------------------- */
.service-area {
    background-color: var(--color-light);
    border-radius: 12px;
    padding: var(--spacing-lg);
    text-align: center;
}

.service-area__map {
    position: relative;
    height: 350px;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.service-area__map img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-area__overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--color-accent-bright);
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

/* -----------------------------------------------------------------------------
   Specs Table
   ----------------------------------------------------------------------------- */
.specs-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
}

.specs-table th,
.specs-table td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
}

.specs-table th {
    background-color: var(--color-gray-100);
    font-weight: 600;
    color: var(--color-secondary);
}

.specs-table tr:hover {
    background-color: var(--color-gray-100);
}

/* -----------------------------------------------------------------------------
   Forms
   ----------------------------------------------------------------------------- */
.form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--color-gray-800);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--color-gray-300);
    border-radius: 4px;
    background-color: var(--color-white);
    transition: border-color 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent-bright);
    box-shadow: 0 0 0 3px rgba(230, 92, 0, 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-hint {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-top: 0.25rem;
}

/* -----------------------------------------------------------------------------
   CTA Section
   ----------------------------------------------------------------------------- */
.cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.cta h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.cta p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

/* -----------------------------------------------------------------------------
   Footer
   ----------------------------------------------------------------------------- */
.footer {
    background: linear-gradient(180deg, #1a1a1a 0%, #0d0d0d 100%);
    color: var(--color-gray-300);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

.footer__brand {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer__brand .icon {
    color: var(--color-accent-bright);
}

.footer__tagline {
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-sm);
}

.footer h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer__links {
    list-style: none;
}

.footer__links li {
    margin-bottom: 0.5rem;
}

.footer__links a {
    color: var(--color-gray-300);
}

.footer__links a:hover {
    color: var(--color-white);
}

.footer__contact p {
    margin-bottom: 0.5rem;
}

.footer__bottom {
    border-top: 1px solid var(--color-gray-800);
    padding-top: var(--spacing-md);
    text-align: center;
    font-size: 0.875rem;
}

/* -----------------------------------------------------------------------------
   Page Headers
   ----------------------------------------------------------------------------- */
.page-header {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.page-header h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.page-header__subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-300);
}

/* -----------------------------------------------------------------------------
   Prose Content
   ----------------------------------------------------------------------------- */
.prose {
    max-width: 700px;
}

.prose h2 {
    margin-top: var(--spacing-md);
}

.prose ul, .prose ol {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.prose li {
    margin-bottom: 0.5rem;
}

/* -----------------------------------------------------------------------------
   Alert / Success Message
   ----------------------------------------------------------------------------- */
.alert {
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-bottom: var(--spacing-md);
}

.alert--success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

/* -----------------------------------------------------------------------------
   Scroll Animations
   ----------------------------------------------------------------------------- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* -----------------------------------------------------------------------------
   Responsive
   ----------------------------------------------------------------------------- */
@media (max-width: 768px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.75rem; }

    .hero h1 { font-size: 2.75rem; }
    .hero__tagline { font-size: 1.25rem; }

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

    .nav__list {
        gap: var(--spacing-sm);
    }

    .value-props {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .step:not(:last-child)::after {
        display: none;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .service-area__map {
        height: 250px;
    }
}