/* ===================================
   klink.eco - Sustainable Construction
   Inspired by organic, earth-tone design
   =================================== */

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

:root {
    /* Earth-tone color palette */
    --color-primary: #2D5016;      /* Deep forest green */
    --color-secondary: #4A7C59;    /* Sage green */
    --color-accent: #8B7355;       /* Warm earth brown */
    --color-light: #F5F1E8;        /* Warm off-white */
    --color-sand: #E8DCC4;         /* Sandy beige */
    --color-dark: #1A1A1A;         /* Rich black */
    --color-text: #2C2C2C;         /* Dark gray */
    --color-text-light: #6B6B6B;   /* Medium gray */
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background: var(--color-light);
    overflow-x: hidden;
    line-height: 1.6;
}

body.login-active {
    overflow: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===================================
   Login Screen
   =================================== */

.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(45, 80, 22, 0.95) 0%, rgba(74, 124, 89, 0.95) 100%);
    backdrop-filter: blur(20px);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.login-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    display: none;
}

.login-container {
    background: white;
    padding: var(--spacing-xl);
    border-radius: 24px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
    max-width: 450px;
    width: 90%;
    animation: loginSlideIn 0.6s ease-out;
}

@keyframes loginSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.login-header .logo-text {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.login-subtitle {
    color: var(--color-text-light);
    font-size: 1rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.95rem;
}

.form-group input {
    padding: 1rem 1.5rem;
    border: 2px solid var(--color-sand);
    border-radius: 12px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: white;
    box-shadow: 0 0 0 4px rgba(45, 80, 22, 0.1);
}

.btn-login {
    padding: 1.25rem 2rem;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: var(--spacing-sm);
    font-family: var(--font-primary);
}

.btn-login:hover {
    background: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(45, 80, 22, 0.3);
}

.btn-login:active {
    transform: translateY(0);
}

.login-footer {
    text-align: center;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-sand);
}

.login-footer p {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.login-footer strong {
    color: var(--color-primary);
    font-weight: 600;
}

/* ===================================
   Navigation
   =================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(245, 241, 232, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    border-bottom: 1px solid rgba(45, 80, 22, 0.1);
}

/* Add padding to body to account for fixed nav */
body {
    padding-top: 80px;
}

.nav-logo .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-links a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

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

.btn-contact {
    padding: 0.75rem 1.5rem;
    background: var(--color-primary);
    color: white !important;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.btn-contact:hover {
    background: var(--color-secondary);
    transform: translateY(-2px);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    position: relative;
    padding: var(--spacing-md) var(--spacing-md);
    background: linear-gradient(135deg, #F5F1E8 0%, #E8DCC4 100%);
    margin-top: -80px;
    padding-top: calc(var(--spacing-md) + 80px);
}

/* Desktop: more breathing room and full height */
@media (min-width: 769px) {
    .hero {
        min-height: calc(100vh - 80px);
        padding: var(--spacing-xl) var(--spacing-md);
        padding-top: calc(var(--spacing-xl) + 80px);
    }
}

.hero-content {
    max-width: 900px;
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* Desktop only: add more breathing room */
@media (min-width: 769px) {
    .hero-content {
        margin-top: calc(var(--spacing-xl) + var(--spacing-lg));
    }
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.03em;
}

.hero-title .line {
    display: block;
    opacity: 0;
    transform: translateY(30px);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
    opacity: 0;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    margin-bottom: var(--spacing-lg);
}

/* Desktop: more space below CTA */
@media (min-width: 769px) {
    .hero-cta {
        margin-bottom: 8rem;
    }
}

.btn-primary,
.btn-secondary {
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 10px 30px rgba(45, 80, 22, 0.2);
}

.btn-primary:hover {
    background: var(--color-secondary);
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(45, 80, 22, 0.3);
}

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

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

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-light);
    font-size: 0.85rem;
    opacity: 0;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--color-primary));
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(10px); }
}

/* ===================================
   Services Section
   =================================== */

.services {
    padding: var(--spacing-xl) var(--spacing-md);
    background: white;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-secondary) 100%);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    background: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: 24px;
    transition: all 0.4s ease;
    border: 2px solid transparent;
    opacity: 0;
    transform: translateY(30px);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-primary);
    box-shadow: 0 20px 60px rgba(45, 80, 22, 0.15);
}

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

.service-card h3 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

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

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

.about {
    padding: var(--spacing-xl) var(--spacing-md);
    background: linear-gradient(135deg, #E8DCC4 0%, #F5F1E8 100%);
}

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

.about-text h2 {
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

.about-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-element {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(245, 241, 232, 0.5);
    border-radius: 16px;
    border: 2px dashed var(--color-sand);
}

.placeholder-graphic {
    width: 100%;
    max-width: 400px;
    height: auto;
    opacity: 0.8;
}

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

.contact {
    padding: var(--spacing-xl) var(--spacing-md);
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-item h4 {
    color: var(--color-primary);
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.contact-item a {
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contact-form input,
.contact-form textarea {
    padding: 1rem 1.5rem;
    border: 2px solid var(--color-sand);
    border-radius: 12px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: white;
}

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

.contact-form button {
    border: none;
    cursor: pointer;
    font-family: var(--font-primary);
}

/* ===================================
   Footer
   =================================== */

.footer {
    background: var(--color-dark);
    color: white;
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    margin-top: var(--spacing-xs);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
    .nav {
        padding: var(--spacing-sm) var(--spacing-md);
        flex-direction: row;
        justify-content: space-between;
    }
    
    .nav-links {
        gap: var(--spacing-sm);
    }
    
    .nav-links a:not(.btn-contact) {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: var(--spacing-md) var(--spacing-md) var(--spacing-lg);
        padding-top: calc(var(--spacing-xl) + 80px);
    }
    
    .hero-content {
        margin-top: 0;
        margin-bottom: 0;
    }
    
    .hero-title {
        font-size: clamp(2rem, 10vw, 3rem);
        margin-bottom: var(--spacing-md);
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: var(--spacing-lg);
    }
    
    .hero-cta {
        margin-bottom: 0;
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .hero-cta .btn-primary,
    .hero-cta .btn-secondary {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
    
    .scroll-indicator {
        display: none;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .about-visual {
        height: 300px;
        margin-top: var(--spacing-lg);
    }
    
    .placeholder-graphic {
        max-width: 280px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}


/* ===================================
   SVG Icon Styles
   =================================== */

.service-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1.5rem;
    display: inline-block;
    transition: transform 0.3s ease;
    color: var(--color-primary);
}

.service-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

.service-icon .icon-path {
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
}

.service-icon .icon-accent {
    opacity: 0;
    transform-origin: center;
}

.service-card:hover .service-icon {
    transform: translateY(-5px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    color: var(--color-primary);
    margin-right: 1rem;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}