:root {
    /* Colors */
    --color-white: #ffffff;
    --color-off-white: #f8f9fa;
    --color-light-gray: #e9ecef;
    --color-gray: #868e96;
    --color-dark-gray: #495057;
    --color-charcoal: #343a40;
    --color-navy: #182230;

    /* Accent: Muted Teal/Blue */
    --color-accent: #2e808e;
    --color-accent-hover: #236571;
    --color-accent-light: #eaf4f5;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--color-charcoal);
    background-color: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--color-navy);
}

p {
    margin-bottom: 1rem;
    color: var(--color-dark-gray);
}

/* Layout */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

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

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

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

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

/* Utility */
.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 2rem;
}

.hidden-onload {
    opacity: 0;
    transform: translateY(20px);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-weight: 500;
    font-size: 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    box-shadow: 0 4px 6px rgba(46, 128, 142, 0.1);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(46, 128, 142, 0.3);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--color-light-gray);
    color: var(--color-navy);
}

.btn-outline:hover {
    border-color: var(--color-navy);
    color: var(--color-navy);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 100;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-fast);
    padding: 1.25rem 0;
}

.navbar.scrolled {
    padding: 1rem 0;
    border-bottom-color: var(--color-light-gray);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

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

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-navy);
    letter-spacing: -0.04em;
}

.logo span {
    color: var(--color-accent);
}

/* Hero Section */
.hero {
    padding: 10rem 0 8rem;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: 2rem;
}

.hero-title span {
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.35rem);
    margin-bottom: 3rem;
    max-width: 600px;
    font-weight: 400;
    color: var(--color-dark-gray);
    line-height: 1.7;
}

/* Services */
.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1.5rem;
}

.section-header {
    margin-bottom: 3.5rem;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 3.5rem;
    }
}

.service-card {
    padding: 2.5rem 2rem;
    background-color: var(--color-white);
    border-radius: 8px;
    text-align: left;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
}

.service-card:hover {
    transform: translateY(-4px);
}

.service-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    color: var(--color-navy);
    margin-bottom: 1.5rem;
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.service-desc {
    font-size: 1rem;
    color: var(--color-dark-gray);
    margin-bottom: 0;
}

/* About */
.about-grid {
    max-width: 760px;
    margin: 0 auto;
}

.about-content p {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.founder-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1.5rem;
    opacity: 0.8;
}

.founder-mark {
    width: 36px;
    height: 36px;
    background-color: var(--color-light-gray);
    color: var(--color-charcoal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    border-radius: 50%;
    font-size: 0.95rem;
}

.founder-text {
    display: flex;
    flex-direction: column;
}

.founder-text strong {
    font-size: 0.9375rem;
    color: var(--color-navy);
}

.founder-text span {
    font-size: 0.875rem;
    color: var(--color-gray);
}

/* Portfolio */
.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3.5rem;
}

@media (min-width: 768px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 4rem;
    }
}

.portfolio-card {
    display: flex;
    flex-direction: column;
    color: inherit;
    text-decoration: none;
    height: 100%;
}

.portfolio-browser-mockup {
    background: var(--color-white);
    border-radius: 8px;
    border: 1px solid var(--color-light-gray);
    overflow: hidden;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.portfolio-card:hover .portfolio-browser-mockup {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.browser-header {
    background: var(--color-off-white);
    padding: 0.6rem 1rem;
    display: flex;
    gap: 8px;
    border-bottom: 1px solid var(--color-light-gray);
}

.browser-header .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red {
    background: #ff5f56;
}

.dot.yellow {
    background: #ffbd2e;
}

.dot.green {
    background: #27c93f;
}

.portfolio-image-content {
    width: 100%;
    height: auto;
    display: block;
}

.portfolio-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    transition: color var(--transition-fast);
}

.portfolio-card:hover .portfolio-title {
    color: var(--color-accent);
}

.portfolio-info {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.portfolio-desc {
    color: var(--color-gray);
    margin-bottom: 0;
    flex-grow: 1;
}

.view-link {
    display: inline-block;
    margin-top: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
    transition: color var(--transition-fast);
    align-self: flex-start;
}

.portfolio-card:hover .view-link {
    color: var(--color-accent-hover);
}

/* Trust Section */
.trust {
    padding: 6rem 0;
    background-color: var(--color-off-white);
    position: relative;
}

.trust::before,
.trust::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: var(--color-light-gray);
}

.trust::before {
    top: 0;
}

.trust::after {
    bottom: 0;
}

.trust-content {
    max-width: 600px;
    margin: 0 auto;
}

.trust-text {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-navy);
    margin-bottom: 2rem;
}

.trust-marks {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.trust-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--color-light-gray);
    transition: transform 0.3s ease;
}

.trust-dot:nth-child(2) {
    background-color: var(--color-accent);
    transform: scale(1.5);
}

/* Contact Section */
.contact-card {
    background-color: var(--color-navy);
    background-image: radial-gradient(circle at top right, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0) 60%);
    color: var(--color-white);
    padding: 3.5rem 2rem;
    border-radius: 12px;
    max-width: 650px;
    margin: 0 auto;
    box-shadow: 0 20px 40px rgba(11, 19, 32, 0.15);
}

@media (min-width: 768px) {
    .contact-card {
        padding: 5rem;
    }
}

.contact-title {
    color: var(--color-white);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    margin-bottom: 1rem;
}

.contact-subtitle {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 4rem;
    /* more space */
    font-size: 1.125rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.form-control {
    width: 100%;
    padding: 1.25rem 1.5rem;
    /* slightly larger */
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--color-white);
    font-family: inherit;
    font-size: 1.05rem;
    /* slightly larger */
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: rgba(255, 255, 255, 0.08);
}

.contact-form button {
    margin-top: 1.5rem;
    padding: 1.25rem 2rem;
    /* larger block button */
    font-size: 1.1rem;
}

.contact-direct {
    margin-top: 3.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
}

.email-link {
    display: block;
    margin-top: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-white);
}

.email-link:hover {
    color: var(--color-accent);
}

/* Footer */
.footer {
    padding: 3rem 0;
    background-color: var(--color-white);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-logo {
    font-weight: 700;
    color: var(--color-navy);
    font-size: 1.1rem;
}

.footer-logo span {
    color: var(--color-accent);
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--color-dark-gray);
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--color-gray);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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