/* Custom CSS for Kariston Infrastructure - Medvi Theme */
:root {
    --primary-font: 'Poppins', sans-serif;
    --secondary-font: 'Inter', sans-serif;

    /* Medvi Color Palette */
    --color-medvi-dark: #13382c;
    /* Deep Forest Green */
    --color-medvi-medium: #1b4d3d;
    --color-medvi-accent: #3ca376;
    /* Vibrant Green */
    --color-medvi-accent-hover: #2c7a58;

    --color-bg-light: #fdfbf7;
    /* Warm Sand/Off-white */
    --color-bg-white: #ffffff;

    --color-text-dark: #13382c;
    --color-text-gray: #5e6b65;
    --color-text-light: #ffffff;

    --transition-smooth: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

body {
    font-family: var(--secondary-font);
    color: var(--color-text-dark);
    background-color: var(--color-bg-light);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6,
.navbar-brand {
    font-family: var(--primary-font);
    color: var(--color-text-dark);
}

/* Utilities */
.text-accent {
    color: var(--color-medvi-accent) !important;
}

.text-dark-green {
    color: var(--color-medvi-dark) !important;
}

.bg-dark-green {
    background-color: var(--color-medvi-dark) !important;
}

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

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

.hover-accent:hover {
    color: var(--color-medvi-accent) !important;
    transition: var(--transition-smooth);
}

.transition-all {
    transition: var(--transition-smooth);
}

/* Buttons */
.btn-accent {
    background-color: var(--color-medvi-accent);
    color: var(--color-bg-white);
    font-weight: 600;
    border: 1px solid var(--color-medvi-accent);
    transition: var(--transition-smooth);
}

.btn-accent:hover {
    background-color: var(--color-medvi-accent-hover);
    color: var(--color-bg-white);
}

.btn-outline-accent {
    background-color: transparent;
    color: var(--color-medvi-dark);
    font-weight: 600;
    border: 1px solid var(--color-medvi-dark);
    transition: var(--transition-smooth);
}

.btn-outline-accent:hover {
    background-color: var(--color-medvi-dark);
    color: var(--color-bg-white);
}

/* Navbar */
.kariston-navbar {
    background-color: transparent;
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s ease;
}

.kariston-navbar.scrolled {
    background-color: var(--color-medvi-dark);
    padding: 1rem 0;
    border-bottom: none;
    box-shadow: 0 4px 20px rgba(19, 56, 44, 0.15);
}

/* Mobile navbar styling */
@media (max-width: 991px) {
    .navbar-collapse {
        background-color: var(--color-medvi-dark);
        padding: 1rem;
        border-radius: 8px;
        margin-top: 10px;
    }

    .kariston-navbar {
        background-color: var(--color-medvi-dark);
    }
}

.logo-text {
    font-size: 1.5rem;
    letter-spacing: 2px;
    color: var(--color-bg-white);
}

.logo-subtext {
    font-size: 0.8rem;
    font-weight: 300;
    letter-spacing: 4px;
    color: var(--color-medvi-accent);
    font-family: var(--secondary-font);
}

.navbar-dark .navbar-nav .nav-link,
.nav-link {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: capitalize;
    letter-spacing: 0.5px;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-medvi-accent);
}

@media (min-width: 992px) {
    .nav-link::after {
        content: '';
        position: absolute;
        width: 0;
        height: 2px;
        bottom: 0;
        left: 50%;
        background-color: var(--color-medvi-accent);
        transition: var(--transition-smooth);
        transform: translateX(-50%);
    }

    .nav-link:hover::after,
    .nav-link.active::after {
        width: 100%;
    }
}

/* Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 800px;
    display: flex;
    align-items: center;
    background-image: url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?q=80&w=2071&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(19, 56, 44, 0.95) 0%, rgba(27, 77, 61, 0.85) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding-top: 80px;
}

.hero-subtitle {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-medvi-accent);
    font-weight: 600;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-bg-white);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-section {
        min-height: 600px;
    }
}

.hero-desc {
    font-size: 1.25rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
}

/* Service Tags in Hero */
.service-tags {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.service-tag {
    font-size: 0.85rem;
    padding: 8px 18px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-bg-white);
    font-weight: 500;
}

/* Floating Stats Card */
.floating-stat-card {
    background: var(--color-bg-white);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 20px 40px rgba(19, 56, 44, 0.15);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-15px);
    }

    100% {
        transform: translateY(0px);
    }
}

/* General Sections */
.section-padding {
    padding: 100px 0;
}

@media (max-width: 768px) {
    .section-padding {
        padding: 80px 0;
    }
}

.section-subtitle {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-medvi-accent);
    font-weight: 600;
    display: block;
    margin-bottom: 15px;
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 25px;
    line-height: 1.2;
    color: var(--color-medvi-dark);
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
}

/* Premium Cards */
.premium-card {
    background: var(--color-bg-white);
    border: 1px solid rgba(19, 56, 44, 0.05);
    border-radius: 16px;
    padding: 35px 30px;
    height: 100%;
    transition: var(--transition-smooth);
    box-shadow: 0 10px 30px rgba(19, 56, 44, 0.03);
}

.premium-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(19, 56, 44, 0.08);
}

.premium-card-icon {
    font-size: 2.5rem;
    color: var(--color-medvi-accent);
    margin-bottom: 20px;
}

/* Image wrappers */
.img-wrapper {
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 15px 35px rgba(19, 56, 44, 0.1);
}

.img-wrapper img {
    width: 100%;
    transition: transform 0.8s ease;
}

.img-wrapper:hover img {
    transform: scale(1.03);
}

.img-overlay-gradient {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, rgba(19, 56, 44, 0.8), transparent);
}

/* Engineering Section */
.engineering-section {
    background-color: var(--color-medvi-dark);
    position: relative;
}

.engineering-section .section-title {
    color: var(--color-bg-white);
}

.stat-item h3 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-medvi-accent);
    margin-bottom: 0;
}

.stat-item p {
    color: var(--color-bg-white);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Feature List */
.feature-list-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.feature-list-icon {
    min-width: 45px;
    height: 45px;
    border-radius: 12px;
    background: rgba(60, 163, 118, 0.15);
    color: var(--color-medvi-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 18px;
    font-size: 1.3rem;
}

.feature-list-content h4 {
    font-size: 1.15rem;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--color-medvi-dark);
}

.feature-list-content p {
    font-size: 0.95rem;
    color: var(--color-text-gray);
    margin-bottom: 0;
}

/* Timeline Process */
.process-step {
    position: relative;
    padding-left: 60px;
    margin-bottom: 45px;
}

.process-step::before {
    content: '';
    position: absolute;
    left: 24px;
    top: 45px;
    bottom: -45px;
    width: 2px;
    background: rgba(19, 56, 44, 0.1);
}

.process-step:last-child::before {
    display: none;
}

.step-number {
    position: absolute;
    left: 0;
    top: 0;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-bg-light);
    border: 2px solid var(--color-medvi-accent);
    color: var(--color-medvi-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-family: var(--primary-font);
    font-size: 1.2rem;
    z-index: 2;
}

.process-step h4 {
    color: var(--color-medvi-dark);
}

/* Testimonials / Clients */
.testimonial-card {
    background: var(--color-bg-white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(19, 56, 44, 0.05);
}

.quote-icon {
    font-size: 2.5rem;
    color: rgba(60, 163, 118, 0.2);
    margin-bottom: -15px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(19, 56, 44, 0.05);
    color: var(--color-medvi-dark);
    transition: var(--transition-smooth);
    text-decoration: none;
}

.social-icon:hover {
    background: var(--color-medvi-accent);
    color: var(--color-bg-white);
}

.footer-links a {
    color: var(--color-text-gray);
    text-decoration: none;
    transition: var(--transition-smooth);
    font-weight: 500;
}

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

/* Guarantee Badge */
.guarantee-badge {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    background: var(--color-bg-white);
    border-radius: 50px;
    color: var(--color-medvi-dark);
    font-weight: 600;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.guarantee-badge i {
    color: var(--color-medvi-accent);
    margin-right: 10px;
    font-size: 1.2rem;
}