:root {
    /* Brand Colors */
    --color-primary: #1f4f5f;
    --color-secondary: #0f172a;
    --color-accent: #c9a24d;
    --color-background: #ffffff;
    --color-muted: #f8fafc;
    --color-text: #334155;
    --color-text-light: #64748b;
    --color-white: #ffffff;

    /* Typography */
    --font-family: 'Inter', 'Segoe UI', sans-serif;
    --font-heading: 600;
    --font-body: 400;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-hover: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--color-secondary);
    font-weight: var(--font-heading);
    line-height: 1.25;
}

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

ul {
    list-style: none;
}

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

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-xl) 0;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: 9999px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-normal);
}

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

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-sm) 0;
    transition: var(--transition-normal);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-primary);
}

.logo-img {
    height: 40px;
    width: auto;
}

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

.nav-links a {
    color: var(--color-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--color-accent);
    transition: var(--transition-fast);
}

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

.hamburger {
    display: none;
    cursor: pointer;
}

/* Hero Section */
.hero-section {
    padding: 180px 0 100px;
    /* Blue theme background */
    background: linear-gradient(rgba(31, 79, 95, 0.8), rgba(15, 23, 42, 0.8)), url('../assets/hero-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-title {
    font-size: 3.5rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #e2e8f0;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
}

.hero-visual {
    position: absolute;
    top: 50%;
    right: -10%;
    transform: translateY(-50%);
    width: 50%;
    height: 80%;
    z-index: 1;
    opacity: 0.1;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%231f4f5f' fill-opacity='1' fill-rule='evenodd'/%3E%3C/svg%3E");
    mask-image: radial-gradient(circle, rgba(0, 0, 0, 1) 0%, rgba(0, 0, 0, 0) 70%);
}

/* About Section */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    display: inline-block;
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--color-accent);
    margin: 0.5rem auto 0;
    border-radius: 2px;
}

.about-content {
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    text-align: center;
    font-size: 1.15rem;
    color: var(--color-text-light);
}

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

.highlight-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid var(--color-muted);
}

.highlight-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-accent);
}

.icon-box {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
    padding: 1rem;
    background: var(--color-muted);
    border-radius: 50%;
    color: var(--color-primary);
    transition: var(--transition-fast);
}

.highlight-card:hover .icon-box {
    background: var(--color-primary);
    color: var(--color-white);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border-left: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-left-color: var(--color-accent);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-secondary);
}

.service-points {
    list-style-type: none;
    padding-left: 0;
}

.service-points li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.service-points li::before {
    content: '•';
    color: var(--color-accent);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Why Us Section */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.value-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: var(--transition-normal);
}

.value-card:hover {
    border-color: var(--color-primary);
    background-color: #f0f9ff;
}

.value-card h3 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

/* Founder Section */
.founder-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.founder-image img,
.img-placeholder {
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    object-fit: cover;
}

.founder-info h2.section-title::after {
    margin: 0.5rem 0 0;
    /* Left align underline */
}

.founder-name {
    font-size: 1.5rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.founder-summary {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
    text-align: justify;
}

.founder-info p {
    text-align: justify;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: var(--color-white);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* Contact Section */
.contact-container {
    text-align: center;
    max-width: 600px;
}

.contact-details {
    margin-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 500;
}

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

/* Footer */
.footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-md) 0;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-100 {
    transition-delay: 0.1s;
}

.delay-200 {
    transition-delay: 0.2s;
}

.delay-300 {
    transition-delay: 0.3s;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: block;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .founder-layout {
        grid-template-columns: 1fr;
    }

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

    .founder-info h2.section-title::after {
        margin: 0.5rem auto 0;
    }

    .section {
        padding: var(--spacing-lg) 0;
    }
}