/* ==========================================================================
   CSS Variables (Design System)
   ========================================================================== */
:root {
    /* Premium Color Palette based on logo */
    --color-primary: #182C51; /* Dark Blue from Logo */
    --color-primary-light: #2A4476;
    --color-primary-dark: #0F1D38;
    
    --color-accent: #8E847D; /* Softened Brown/Grey from Mountain */
    --color-accent-light: #A59C96;
    
    --color-bg-light: #F8F9FA; /* Very light gray for header/backgrounds */
    --color-bg-dark: #121A2F; /* Deep blue-tinted dark background */
    
    --color-text: #334155;
    --color-text-muted: #64748B;
    --color-white: #ffffff;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Box Shadow */
    --shadow-sm: 0 2px 4px rgba(24, 44, 81, 0.05);
    --shadow-md: 0 10px 20px rgba(24, 44, 81, 0.08);
    --shadow-lg: 0 20px 40px rgba(24, 44, 81, 0.12);
    --shadow-xl: 0 30px 60px rgba(24, 44, 81, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.7;
    background-color: var(--color-white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

h2 {
    font-size: 2.5rem;
    letter-spacing: -0.02em;
}

p {
    margin-bottom: 1.2rem;
}

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

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

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

/* Utility Classes */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 100px 0;
}

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

.bg-light {
    background-color: var(--color-bg-light);
}

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

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

.section-subtitle {
    color: var(--color-text-muted);
    font-size: 1.15rem;
    max-width: 650px;
    margin: 0 auto 4rem;
}

.bg-dark .section-subtitle {
    color: #94A3B8;
}

.section-kicker {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

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

.w-full {
    width: 100%;
}

/* Buttons */
.btn-primary, .btn-primary-sm, .btn-outline-sm, .btn-outline-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: 2px solid var(--color-primary);
    border-radius: 6px;
    font-weight: 600;
    font-family: var(--font-heading);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary-light);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(24, 44, 81, 0.2);
}

.btn-primary-sm {
    padding: 10px 20px;
    font-size: 0.95rem;
}

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

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

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

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

.btn-outline-light:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-2px);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
    background-color: rgba(248, 249, 250, 0.85); /* Light gray requested, with glassmorphism */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(24, 44, 81, 0.05);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.site-header.scrolled {
    box-shadow: var(--shadow-sm);
    background-color: rgba(248, 249, 250, 0.95);
    padding: 5px 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 5px;
    padding-bottom: 5px;
    transition: padding var(--transition-normal);
}

.site-header.scrolled .header-container {
    padding-top: 2px;
    padding-bottom: 2px;
}

.logo img {
    max-height: 65px;
    width: auto;
    transition: max-height var(--transition-normal);
}

.site-header.scrolled .logo img {
    max-height: 55px;
}

.main-nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 30px;
}

.main-nav a {
    font-weight: 500;
    font-size: 0.95rem;
    font-family: var(--font-heading);
    color: var(--color-primary);
    position: relative;
}

.main-nav a.btn-primary-sm {
    color: var(--color-white);
}

.main-nav a.btn-primary-sm:hover {
    color: var(--color-primary);
}

.main-nav a:not(.btn-primary-sm)::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--color-accent);
    transition: width var(--transition-fast);
}

.main-nav a:not(.btn-primary-sm):hover::after {
    width: 100%;
}

/* Mobile Menu Button */
.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    position: relative;
    transition: all 0.3s;
}

.hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    left: 0;
    transition: all 0.3s;
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    background-image: url('https://images.unsplash.com/photo-1541888086425-d81bb19240f5?q=80&w=2070&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--color-white);
    padding: 180px 0 140px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, rgba(24, 44, 81, 0.9) 0%, rgba(18, 26, 47, 0.8) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    text-align: center;
}

.hero h1 {
    color: var(--color-white);
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: #E2E8F0;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255,255,255,0.6);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    width: 4px;
    height: 8px;
    background: #fff;
    border-radius: 2px;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-15px) translateX(-50%); }
    60% { transform: translateY(-7px) translateX(-50%); }
}

/* ==========================================================================
   Layouts & Components
   ========================================================================== */
.two-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    align-items: center;
}

.rounded-img {
    border-radius: 12px;
    width: 100%;
}

.shadow-xl {
    box-shadow: var(--shadow-xl);
}

/* Feature List */
.feature-list {
    list-style: none;
    margin-top: 2rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    font-weight: 500;
    color: var(--color-primary);
}

.feature-list .icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background-color: rgba(142, 132, 125, 0.15); /* Accent with opacity */
    color: var(--color-accent);
    border-radius: 50%;
    font-size: 0.85rem;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.service-card {
    background: var(--color-white);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    text-align: left;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(0,0,0,0.03);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-icon-img {
    height: 220px;
    overflow: hidden;
}

.service-icon-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.service-card:hover .service-icon-img img {
    transform: scale(1.08);
}

.service-card-content {
    padding: 35px 30px;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Process */
.process-steps {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    position: relative;
}

@media (min-width: 992px) {
    .process-steps::before {
        content: '';
        position: absolute;
        top: 45px;
        left: 10%;
        right: 10%;
        height: 2px;
        background: linear-gradient(90deg, var(--color-primary-light) 0%, rgba(42, 68, 118, 0.1) 100%);
        z-index: 0;
    }
}

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

.step-icon-wrapper {
    width: 90px;
    height: 90px;
    background-color: var(--color-bg-light);
    border: 2px solid var(--color-white);
    box-shadow: var(--shadow-md);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    position: relative;
    transition: transform var(--transition-normal);
}

.step:hover .step-icon-wrapper {
    transform: scale(1.1);
    background-color: var(--color-primary);
}

.step-number {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-primary);
    transition: color var(--transition-normal);
}

.step:hover .step-number {
    color: var(--color-white);
}

/* Portfolio */
.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.portfolio-item {
    background: var(--color-bg-dark);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(255,255,255,0.05);
    transition: all var(--transition-normal);
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.portfolio-img-wrapper {
    position: relative;
    overflow: hidden;
    height: 300px;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-item:hover img {
    transform: scale(1.08);
}

.portfolio-overlay {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 2;
}

.portfolio-tag {
    background: rgba(24, 44, 81, 0.85);
    backdrop-filter: blur(4px);
    color: white;
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.portfolio-content {
    padding: 30px;
}

.portfolio-content h3 {
    font-size: 1.4rem;
}

.portfolio-content p {
    color: #94A3B8;
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* Contact */
.contact-details {
    margin-bottom: 3rem;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.contact-icon {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    background: rgba(24, 44, 81, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

.contact-item strong {
    display: block;
    color: var(--color-primary);
    margin-bottom: 2px;
}

.contact-item p {
    margin-bottom: 0;
    color: var(--color-text-muted);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-primary);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #E2E8F0;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    background-color: var(--color-bg-light);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--color-white);
    box-shadow: 0 0 0 3px rgba(24, 44, 81, 0.1);
}

.checkbox-group {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    margin-bottom: 30px;
}

.checkbox-group input {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

.checkbox-group label {
    font-weight: 400;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.map-container {
    border-radius: 16px;
    overflow: hidden;
    height: 600px;
}

/* Footer */
.site-footer {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    padding: 80px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand .footer-desc {
    color: #94A3B8;
    margin-top: 15px;
    max-width: 300px;
}

.footer-links h4, .footer-socials h4 {
    color: var(--color-white);
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #94A3B8;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.social-icon {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--color-white);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.social-icon:hover {
    background: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 24px 0;
    text-align: center;
    font-size: 0.9rem;
    color: #94A3B8;
}

.footer-bottom a {
    color: var(--color-white);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: -100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: 0 -10px 40px rgba(24, 44, 81, 0.1);
    padding: 24px;
    z-index: 9999;
    transition: bottom 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.cookie-banner.show {
    bottom: 0;
}

.cookie-content {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
    text-align: center;
}

.cookie-text p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
    margin-top: 5px;
}

.cookie-buttons {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

/* ==========================================================================
   Animations
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* ==========================================================================
   Media Queries
   ========================================================================== */

/* Tablet & Up */
@media (min-width: 768px) {
    .two-col {
        grid-template-columns: 1fr 1fr;
    }

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

    .services-grid,
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
    }
    
    .hero h1 {
        font-size: 5rem;
    }
}

/* Desktop & Up */
@media (min-width: 992px) {
    .services-grid,
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .process-steps {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .cookie-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* Mobile Menu Logic (Max-width 767px) */
@media (max-width: 767px) {
    .menu-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 75px; 
        left: -100%;
        width: 100%;
        height: calc(100vh - 75px);
        background-color: var(--color-white);
        flex-direction: column;
        transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
    }

    .main-nav.active {
        left: 0;
    }

    .main-nav ul {
        flex-direction: column;
        padding: 40px 20px;
        gap: 25px;
    }

    .main-nav a {
        font-size: 1.2rem;
    }

    .menu-toggle.active .hamburger {
        background-color: transparent;
    }
    .menu-toggle.active .hamburger::before {
        transform: rotate(45deg);
        top: 0;
    }
    .menu-toggle.active .hamburger::after {
        transform: rotate(-45deg);
        top: 0;
    }
    
    .hero {
        padding: 140px 0 100px;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .map-container {
        height: 400px;
    }
}