/* ============================================
   Trekonsult AS - Professional Brochure Website
   Mobile-first responsive design
   ============================================ */

/* Import Professional Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Inter:wght@400;500;600&display=swap');

/* CSS Custom Properties */
:root {
    /* Refined Color Palette - Sophisticated & Professional */
    --color-primary: #1a4d2e;        /* Rich forest green */
    --color-primary-light: #2d7a4f;  /* Vibrant green */
    --color-primary-dark: #0f2818;   /* Deep forest */

    --color-secondary: #6b5b3d;      /* Warm earth/bark */
    --color-secondary-light: #8a7958;

    --color-accent: #c9984a;         /* Refined gold */
    --color-accent-light: #ddb770;

    --color-background: #fafaf7;     /* Warm off-white */
    --color-surface: #ffffff;        /* Pure white */
    --color-surface-alt: #f4f4ef;    /* Soft beige */

    --color-text: #1a2e1c;           /* Nearly black green */
    --color-text-light: #4a5f4d;     /* Muted forest */
    --color-text-muted: #6b7c6d;     /* Subtle gray-green */

    --color-border: #e1ded5;         /* Warm border */
    --color-border-light: #ebe9e1;

    /* Typography - Professional & Modern */
    --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-family-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

    --font-size-xs: 0.8125rem;       /* 13px */
    --font-size-sm: 0.9375rem;       /* 15px */
    --font-size-base: 1.0625rem;     /* 17px */
    --font-size-lg: 1.1875rem;       /* 19px */
    --font-size-xl: 1.375rem;        /* 22px */
    --font-size-2xl: 1.75rem;        /* 28px */
    --font-size-3xl: 2.25rem;        /* 36px */
    --font-size-4xl: 2.875rem;       /* 46px */
    --font-size-5xl: 3.75rem;        /* 60px */

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-black: 800;

    --line-height-tight: 1.2;
    --line-height-base: 1.65;
    --line-height-relaxed: 1.8;

    /* Refined Spacing System */
    --space-xs: 0.375rem;            /* 6px */
    --space-sm: 0.75rem;             /* 12px */
    --space-md: 1.25rem;             /* 20px */
    --space-lg: 2rem;                /* 32px */
    --space-xl: 3rem;                /* 48px */
    --space-2xl: 4.5rem;             /* 72px */
    --space-3xl: 6rem;               /* 96px */
    --space-4xl: 8rem;               /* 128px */

    /* Layout */
    --container-max-width: 1280px;
    --container-padding: var(--space-md);

    /* Border Radius - More Modern */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Professional Shadows */
    --shadow-sm: 0 1px 3px rgba(26, 77, 46, 0.08);
    --shadow-md: 0 4px 12px rgba(26, 77, 46, 0.10), 0 2px 6px rgba(26, 77, 46, 0.06);
    --shadow-lg: 0 12px 24px rgba(26, 77, 46, 0.12), 0 4px 12px rgba(26, 77, 46, 0.08);
    --shadow-xl: 0 20px 40px rgba(26, 77, 46, 0.16), 0 8px 16px rgba(26, 77, 46, 0.1);

    /* Smooth Transitions */
    --transition-fast: 180ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 450ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

* {
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 60px; /* Offset for sticky header */
    -webkit-text-size-adjust: 100%;
    background-color: var(--color-primary-dark);
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-background);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

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

ul {
    list-style: none;
}

/* ============================================
   Typography - Strong Visual Hierarchy
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
    letter-spacing: -0.025em;
}

h1 {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-black);
}

h2 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

p {
    margin-bottom: var(--space-md);
    letter-spacing: 0.002em;
}

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

.lead {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    line-height: var(--line-height-relaxed);
    font-weight: var(--font-weight-normal);
}

/* ============================================
   Layout Components
   ============================================ */

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.section-intro {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: var(--space-2xl);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    line-height: var(--line-height-relaxed);
}

/* ============================================
   Buttons - Modern & Engaging
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn:hover::before {
    opacity: 1;
}

.btn:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 3px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(26, 77, 46, 0.25);
}

.btn-primary:hover,
.btn-primary:focus {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(26, 77, 46, 0.32);
    color: #ffffff;
}

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

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: var(--color-primary);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(26, 77, 46, 0.28);
}

.btn-large {
    padding: 1.125rem 2.25rem;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
}

/* ============================================
   Header - Premium & Polished
   ============================================ */

.site-header {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(26, 77, 46, 0.06);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(26, 77, 46, 0.08);
}

/* Elegant accent bar under header */
.site-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--color-primary) 25%,
        var(--color-accent) 50%,
        var(--color-primary) 75%,
        transparent 100%);
    opacity: 0.5;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-lg) 0;
    gap: var(--space-md);
}

.logo h1 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-black);
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
    transition: all var(--transition-base);
    letter-spacing: -0.02em;
}

.logo:hover h1 {
    color: var(--color-primary-light);
    transform: translateY(-1px);
}

.tagline {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-align: center;
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.01em;
}

.main-nav ul {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
    justify-content: center;
}

.main-nav a {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    padding: var(--space-sm) var(--space-xs);
    position: relative;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-size: var(--font-size-xs);
    transition: color var(--transition-base);
    white-space: nowrap;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transition: width var(--transition-base);
    border-radius: 2px;
}

.main-nav a:hover::after,
.main-nav a:focus::after {
    width: 100%;
}

.main-nav a:hover,
.main-nav a:focus {
    color: var(--color-primary);
}

/* ============================================
   Hero Section - Striking & Memorable
   ============================================ */

.hero {
    background: linear-gradient(135deg,
        #fafaf7 0%,
        #f4f4ef 50%,
        #fafaf7 100%);
    padding: var(--space-3xl) 0 var(--space-4xl);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 15% 85%, rgba(26, 77, 46, 0.04) 0%, transparent 40%),
        radial-gradient(circle at 85% 15%, rgba(201, 152, 74, 0.03) 0%, transparent 40%);
    pointer-events: none;
}

/* Subtle organic pattern */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='25' cy='25' r='1' fill='%231a4d2e' fill-opacity='0.03'/%3E%3Ccircle cx='75' cy='75' r='1' fill='%231a4d2e' fill-opacity='0.03'/%3E%3C/svg%3E") repeat;
    pointer-events: none;
}

.hero .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2xl);
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: center;
    max-width: 680px;
}

.hero-content h2 {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-black);
    color: var(--color-primary-dark);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.hero-text {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--space-xl);
    line-height: var(--line-height-relaxed);
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: center;
}

.hero-image {
    max-width: 300px;
    filter: drop-shadow(0 20px 40px rgba(26, 77, 46, 0.08));
}

.hero-image img {
    width: 100%;
    height: auto;
}

/* ============================================
   Decorative Section Dividers
   ============================================ */

.section-divider {
    height: 6px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--color-primary) 20%,
        var(--color-accent) 50%,
        var(--color-primary) 80%,
        transparent 100%);
    opacity: 0.15;
    margin: 0;
}

/* Removed section dividers - cleaner look */

/* ============================================
   Services Section - Professional & Engaging
   ============================================ */

.services {
    padding: var(--space-4xl) 0;
    background-color: var(--color-surface);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(26, 77, 46, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(201, 152, 74, 0.025) 0%, transparent 50%);
    pointer-events: none;
}

.services h2 {
    text-align: center;
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-black);
    color: var(--color-primary-dark);
    margin-bottom: var(--space-md);
    letter-spacing: -0.025em;
}

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

.service-card {
    background: linear-gradient(135deg, #ffffff 0%, #fcfcfa 100%);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    min-height: 100%;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-xl);
    padding: 1px;
    background: linear-gradient(135deg,
        rgba(26, 77, 46, 0.1) 0%,
        rgba(201, 152, 74, 0.08) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box,
                  linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.service-card:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(26, 77, 46, 0.1);
}

.service-icon {
    width: 88px;
    height: 88px;
    margin: 0 auto var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 20px rgba(26, 77, 46, 0.2);
    transition: all var(--transition-base);
    position: relative;
}

.service-icon::after {
    content: '';
    position: absolute;
    inset: -3px;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    border-radius: calc(var(--radius-lg) + 3px);
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover .service-icon {
    transform: scale(1.08) rotate(3deg);
    box-shadow: 0 12px 32px rgba(26, 77, 46, 0.28);
}

.service-card:hover .service-icon::after {
    opacity: 0.6;
}

.service-icon img {
    width: 48px;
    height: 48px;
    filter: brightness(0) invert(1);
}

.service-card h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-md);
    letter-spacing: -0.015em;
    word-wrap: break-word;
    hyphens: auto;
}

.service-card p {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

/* ============================================
   About Section
   ============================================ */

.about {
    padding: var(--space-3xl) 0;
    background-color: var(--color-surface-alt);
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.about-text h2 {
    font-size: var(--font-size-2xl);
    color: var(--color-primary-dark);
    margin-bottom: var(--space-lg);
}

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

.about-text .lead {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-md);
}

.credentials {
    margin-top: var(--space-xl);
    padding: var(--space-lg) var(--space-md);
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-primary);
    box-shadow: var(--shadow-sm);
    position: relative;
    max-width: 480px;
}

.credentials h3 {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: var(--font-weight-bold);
}

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

.credentials li {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.credentials li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.credentials li strong {
    color: var(--color-text);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
}

.credentials li span,
.credentials li a {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.credentials li a {
    text-decoration: underline;
    text-underline-offset: 2px;
}

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

.about-image {
    max-width: 400px;
    margin: 0 auto;
}

.about-image img {
    border-radius: var(--radius-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.about-image:hover img {
    transform: scale(1.02);
}

/* ============================================
   Service Area Section
   ============================================ */

.service-area {
    padding: var(--space-2xl) 0;
    background: linear-gradient(
        135deg,
        var(--color-primary) 0%,
        var(--color-primary-dark) 50%,
        var(--color-primary) 100%
    );
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

/* Decorative pattern overlay for service area */
.service-area::before {
    content: '';
    position: absolute;
    inset: 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%3Ccircle cx='30' cy='30' r='1.5' fill='%23ffffff' fill-opacity='0.05'/%3E%3C/svg%3E") repeat;
    pointer-events: none;
}

.service-area h2 {
    text-align: center;
    color: #ffffff;
    margin-bottom: var(--space-sm);
}

.service-area .section-intro {
    color: rgba(255, 255, 255, 0.85);
}

.area-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-md);
    max-width: 600px;
    margin: 0 auto;
}

.area-icon {
    width: 64px;
    height: 64px;
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: gentleBounce 3s ease-in-out infinite;
}

@keyframes gentleBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.area-icon img {
    filter: brightness(0) invert(1);
}

.area-info p {
    color: rgba(255, 255, 255, 0.9);
    line-height: var(--line-height-relaxed);
}

/* ============================================
   Contact Section
   ============================================ */

.contact {
    padding: var(--space-3xl) 0;
    background-color: var(--color-surface);
}

.contact h2 {
    text-align: center;
    font-size: var(--font-size-2xl);
    color: var(--color-primary-dark);
    margin-bottom: var(--space-sm);
}

.contact-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
    align-items: center;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    width: 100%;
    max-width: 600px;
}

.contact-item h3 {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-sm);
    font-weight: var(--font-weight-bold);
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.contact-link:hover,
.contact-link:focus {
    color: var(--color-primary);
}

.contact-link .icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-surface-alt) 0%, var(--color-border-light) 100%);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.contact-link:hover .icon,
.contact-link:focus .icon {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    color: #ffffff;
}

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

.contact-item p {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-base);
    color: var(--color-text-light);
}

.contact-item p .icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-surface-alt) 0%, var(--color-border-light) 100%);
    border-radius: var(--radius-md);
}

.cta-card {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #ffffff;
    padding: var(--space-xl) var(--space-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
    box-shadow: 0 16px 48px rgba(26, 77, 46, 0.28);
    transition: all var(--transition-base);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 280px;
}

.cta-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.cta-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 64px rgba(26, 77, 46, 0.35);
}

.cta-card h3 {
    color: #ffffff;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-md);
    letter-spacing: -0.015em;
}

.cta-card p {
    color: rgba(255, 255, 255, 0.92);
    margin-bottom: var(--space-lg);
    line-height: var(--line-height-relaxed);
    font-size: var(--font-size-sm);
}

.cta-card .btn-primary {
    background: #ffffff;
    color: var(--color-primary-dark);
    border-color: #ffffff;
    font-weight: var(--font-weight-bold);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.cta-card .btn-primary:hover,
.cta-card .btn-primary:focus {
    background-color: var(--color-accent-light);
    border-color: var(--color-accent-light);
    color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* ============================================
   Footer - Sophisticated & Refined
   ============================================ */

.site-footer {
    background: linear-gradient(135deg,
        var(--color-primary-dark) 0%,
        #0f2818 50%,
        var(--color-primary-dark) 100%
    );
    color: rgba(255, 255, 255, 0.92);
    padding: var(--space-xl) 0 var(--space-md);
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--color-accent) 50%,
        transparent 100%);
    opacity: 0.4;
}

.site-footer::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 70% 50%, rgba(201, 152, 74, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    position: relative;
    z-index: 1;
}

.footer-info p,
.footer-links p {
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-sm);
    line-height: var(--line-height-relaxed);
}

.footer-info .company-name {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-md);
    color: #ffffff;
    letter-spacing: -0.01em;
}

.site-footer a {
    color: rgba(255, 255, 255, 0.88);
    transition: all var(--transition-fast);
    position: relative;
    font-weight: var(--font-weight-medium);
}

.site-footer a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent-light), var(--color-accent));
    transition: width var(--transition-base);
    border-radius: 1px;
}

.site-footer a:hover::after,
.site-footer a:focus::after {
    width: 100%;
}

.site-footer a:hover,
.site-footer a:focus {
    color: var(--color-accent-light);
}

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    position: relative;
    z-index: 1;
}

.footer-bottom p {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
    letter-spacing: 0.01em;
}

/* ============================================
   Responsive Design - Tablet (768px+)
   ============================================ */

@media (min-width: 768px) {
    :root {
        --container-padding: var(--space-lg);
    }

    /* Typography */
    h1 {
        font-size: var(--font-size-4xl);
    }

    h2 {
        font-size: var(--font-size-3xl);
    }

    /* Header */
    .header-content {
        flex-direction: row;
        justify-content: space-between;
    }

    .logo h1 {
        font-size: var(--font-size-2xl);
    }

    .tagline {
        text-align: left;
    }

    /* Hero */
    .hero {
        padding: var(--space-3xl) 0 var(--space-4xl);
    }

    .hero .container {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }

    .hero-content {
        text-align: left;
        flex: 1;
    }

    .hero-content h2 {
        font-size: var(--font-size-4xl);
    }

    .hero-cta {
        flex-direction: row;
    }

    .hero-image {
        max-width: 350px;
        flex-shrink: 0;
    }

    /* Services */
    .services {
        padding: var(--space-4xl) 0;
    }

    .services h2 {
        font-size: var(--font-size-3xl);
    }

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

    /* About */
    .about {
        padding: var(--space-4xl) 0;
    }

    .about-content {
        flex-direction: row;
        align-items: center;
    }

    .about-text {
        flex: 1;
    }

    .about-text h2 {
        font-size: var(--font-size-3xl);
    }

    .about-image {
        flex: 0 0 40%;
    }

    /* Service Area */
    .service-area {
        padding: var(--space-3xl) 0;
    }

    /* Contact */
    .contact {
        padding: var(--space-4xl) 0;
    }

    .contact h2 {
        font-size: var(--font-size-3xl);
    }

    .contact-grid {
        flex-direction: row;
        align-items: center;
        gap: var(--space-3xl);
    }

    .contact-info {
        flex: 1;
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--space-xl) var(--space-2xl);
        max-width: none;
    }

    .contact-item {
        flex: 1 1 calc(50% - var(--space-xl));
        min-width: 200px;
    }

    .contact-cta {
        flex: 0 0 360px;
    }

    /* Footer */
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
}

/* ============================================
   Responsive Design - Desktop (1024px+)
   ============================================ */

@media (min-width: 1024px) {
    :root {
        --container-padding: var(--space-xl);
    }

    /* Hero */
    .hero {
        padding: var(--space-4xl) 0;
    }

    .hero-content h2 {
        font-size: var(--font-size-5xl);
        line-height: 1.1;
    }

    .hero-text {
        font-size: var(--font-size-xl);
    }

    .hero-image {
        max-width: 420px;
    }

    /* Services */
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-lg);
    }

    .service-card {
        padding: var(--space-xl) var(--space-lg);
    }

    /* About */
    .credentials li {
        flex-direction: row;
        align-items: center;
        gap: var(--space-md);
    }

    /* Contact */
    .contact-info {
        gap: var(--space-xl);
    }

    .contact-item {
        flex: 1;
    }
}

/* ============================================
   Accessibility & Focus States
   ============================================ */

/* Skip link for keyboard navigation */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: #ffffff;
    padding: var(--space-sm) var(--space-md);
    text-decoration: none;
    z-index: 1000;
}

.skip-link:focus {
    top: 0;
}

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

    html {
        scroll-behavior: auto;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-border: #000000;
        --shadow-sm: none;
        --shadow-md: none;
        --shadow-lg: none;
    }

    .service-card {
        border-width: 2px;
    }
}

/* Print styles */
@media print {
    .site-header,
    .hero-cta,
    .contact-cta {
        display: none;
    }

    body {
        background: #ffffff;
        color: #000000;
    }

    a {
        color: #000000;
        text-decoration: underline;
    }

    .contact-link::after {
        content: " (" attr(href) ")";
        font-size: var(--font-size-sm);
    }
}