/* ========================================
   Knutson Well Drilling - Styles
   ======================================== */

/* --- Variables & Reset --- */
:root {
    --plum-50: #faf5ff;
    --plum-100: #f3e8ff;
    --plum-200: #e9d5ff;
    --plum-300: #d8b4fe;
    --plum-400: #c084fc;
    --plum-500: #a855f7;
    --plum-600: #9333ea;
    --plum-700: #7e22ce;
    --plum-800: #6b21a8;
    --plum-900: #581c87;
    
    --amber-50: #fffbeb;
    --amber-100: #fef3c7;
    --amber-200: #fde68a;
    --amber-300: #fcd34d;
    --amber-400: #fbbf24;
    --amber-500: #f59e0b;
    --amber-600: #d97706;
    
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    
    --white: #ffffff;
    --font-sans: 'DM Sans', system-ui, -apple-system, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    --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);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

ul {
    list-style: none;
}

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

/* --- Utility Classes --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--plum-600);
    margin-bottom: 0.75rem;
    background: var(--plum-50);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
}

.section-header {
    margin-bottom: 4rem;
}

.section-header h2 {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    color: var(--gray-900);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-primary {
    background: var(--plum-600);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--plum-600);
}

.btn-primary:hover {
    background: var(--plum-700);
    border-color: var(--plum-700);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--white);
    color: var(--plum-700);
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--plum-200);
}

.btn-secondary:hover {
    background: var(--plum-50);
    border-color: var(--plum-400);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: var(--radius-md);
}

.btn-full {
    width: 100%;
}

/* --- Header --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--plum-100);
    transition: box-shadow 0.3s ease;
}

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

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--plum-500), var(--plum-700));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.logo-icon svg {
    width: 24px;
    height: 24px;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.main-nav a {
    font-weight: 500;
    color: var(--gray-700);
    transition: color 0.2s ease;
}

.main-nav a:hover {
    color: var(--plum-600);
}

.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    color: var(--gray-700);
}

.mobile-menu-btn svg {
    width: 24px;
    height: 24px;
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 1.5rem 4rem;
    overflow: hidden;
    background: linear-gradient(135deg, #f5e6ff 0%, #fff7e6 50%, #fce7f3 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.6;
    animation: float 20s ease-in-out infinite;
}

.blob-1 {
    width: 600px;
    height: 600px;
    background: var(--plum-200);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.blob-2 {
    width: 400px;
    height: 400px;
    background: var(--amber-200);
    bottom: -100px;
    left: -50px;
    animation-delay: -5s;
}

.blob-3 {
    width: 300px;
    height: 300px;
    background: var(--plum-100);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.02); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--plum-700);
    background: rgba(255, 255, 255, 0.8);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    margin-bottom: 1.5rem;
    border: 1px solid var(--plum-200);
}

.hero h1 {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 600;
    line-height: 1.1;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
}

.hero h1 em {
    font-style: italic;
    color: var(--plum-700);
}

.hero-desc {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: var(--gray-600);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 600;
    color: var(--plum-700);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* --- About --- */
.about {
    padding: 8rem 0;
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: 700px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.about-image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--amber-200), var(--plum-200));
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-content h2 {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 600;
    color: var(--gray-900);
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.about-content p {
    color: var(--gray-600);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.about-features {
    margin-top: 2rem;
    display: grid;
    gap: 1rem;
}

.about-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    color: var(--gray-700);
}

.about-features svg {
    width: 20px;
    height: 20px;
    color: var(--plum-500);
    flex-shrink: 0;
}

/* --- Services --- */
.services {
    padding: 8rem 0;
    background: linear-gradient(180deg, var(--plum-50) 0%, var(--white) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--plum-100);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--plum-300);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--plum-100), var(--amber-100));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon svg {
    width: 28px;
    height: 28px;
    color: var(--plum-700);
}

.service-card h3 {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--gray-600);
    line-height: 1.7;
}

/* --- Process --- */
.process {
    padding: 8rem 0;
    background: var(--white);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 12.5%;
    right: 12.5%;
    height: 2px;
    background: linear-gradient(90deg, var(--plum-200), var(--amber-200), var(--plum-200));
    z-index: 0;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--white);
    border: 2px solid var(--plum-300);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--plum-700);
    transition: all 0.3s ease;
}

.process-step:hover .step-number {
    background: var(--plum-600);
    border-color: var(--plum-600);
    color: var(--white);
    transform: scale(1.1);
}

.process-step h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.process-step p {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* --- Contact --- */
.contact {
    padding: 8rem 0;
    background: linear-gradient(135deg, var(--plum-50) 0%, #fff7e6 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h2 {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 600;
    color: var(--gray-900);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--gray-600);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

.contact-details {
    display: grid;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.25rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--plum-600);
}

.contact-item strong {
    display: block;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--gray-600);
    line-height: 1.6;
}

.contact-item a {
    color: var(--plum-600);
    font-weight: 500;
}

.contact-item a:hover {
    color: var(--plum-700);
}

.contact-form-wrapper {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: grid;
    gap: 1.5rem;
}

.form-group {
    display: grid;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: var(--gray-700);
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--gray-800);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--plum-400);
    box-shadow: 0 0 0 3px var(--plum-100);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    border-radius: var(--radius-sm);
    color: #065f46;
    font-weight: 500;
}

.form-success svg {
    width: 20px;
    height: 20px;
    color: #10b981;
    flex-shrink: 0;
}

/* --- Footer --- */
.site-footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 4rem 0 0;
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
}

.footer-brand p {
    margin-top: 1rem;
    line-height: 1.7;
}

.footer-links {
    display: grid;
    gap: 1rem;
}

.footer-col h4 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.footer-col ul {
    display: grid;
    gap: 0.5rem;
}

.footer-col a {
    color: var(--gray-400);
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.footer-col a:hover {
    color: var(--plum-300);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding: 1.5rem 0;
}

.footer-bottom p {
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* --- Mobile Menu --- */
.mobile-nav {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--plum-100);
    padding: 1.5rem;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 999;
}

.mobile-nav.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
}

.mobile-nav ul {
    display: grid;
    gap: 1rem;
}

.mobile-nav a {
    display: block;
    padding: 0.75rem;
    font-weight: 500;
    color: var(--gray-700);
    border-radius: var(--radius-sm);
}

.mobile-nav a:hover {
    background: var(--plum-50);
    color: var(--plum-700);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 3rem;
    }
    
    .process-steps::before {
        display: none;
    }
    
    .footer-inner {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding: 7rem 1.5rem 3rem;
        min-height: auto;
    }
    
    .hero h1 {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .about-image {
        order: -1;
    }
    
    .about-image img {
        height: 400px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-lg {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .contact-form-wrapper {
        padding: 1.5rem;
    }
}