/* ===========================
   Variables & Base Styles
   =========================== */
:root {
    /* Colors from logo - Vibrant & Professional */
    --primary-teal: #4EC9C1;
    --primary-blue: #2C5F8D;
    --primary-dark: #1a2f4a;
    --primary-teal-light: #6FD9D1;
    --primary-blue-light: #5A8AB8;

    /* Complementary colors */
    --accent-coral: #FF6B6B;
    --light-teal: #F0F9F8;
    --light-blue: #F4F8FC;
    --white: #FFFFFF;
    --gray-50: #FAFBFC;
    --gray-100: #F8F9FA;
    --gray-200: #E9ECEF;
    --gray-300: #DEE2E6;
    --gray-400: #CED4DA;
    --gray-500: #ADB5BD;
    --gray-600: #6C757D;
    --gray-700: #495057;
    --gray-800: #343A40;
    --gray-900: #212529;

    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Playfair Display', serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    --spacing-xxxl: 4.5rem;
    --spacing-section: 5rem;

    /* Transitions - More natural */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.33, 1, 0.68, 1);
    --transition-smooth: all 0.35s cubic-bezier(0.65, 0, 0.35, 1);

    /* Shadows - Professional and Visible */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.12), 0 4px 8px rgba(0,0,0,0.1);
    --shadow-xl: 0 12px 24px rgba(0,0,0,0.15), 0 8px 16px rgba(0,0,0,0.12);
    --shadow-card: 0 4px 12px rgba(44, 95, 141, 0.12);
    --shadow-card-hover: 0 12px 32px rgba(44, 95, 141, 0.2);

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;
    --radius-full: 3rem;
}

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

html {
    scroll-behavior: smooth;
    font-size: 13px;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    line-height: 1.75;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ===========================
   Container
   =========================== */
.container {
    width: 100%;
    max-width: 70.6rem;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===========================
   Navigation
   =========================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    z-index: 1000;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 16px rgba(44, 95, 141, 0.08);
    border-bottom: 0.125rem solid rgba(78, 201, 193, 0.15);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 6px 20px rgba(44, 95, 141, 0.12);
    border-bottom-color: transparent;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo-img {
    height: 5rem; /* 85px / 17px = 5rem */
    width: auto;
}

.nav-menu {
    display: none;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-link {
    color: var(--gray-700);
    font-weight: 500;
    position: relative;
    padding: var(--spacing-sm) 0;
    font-size: 1rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 0.125rem;
    background: var(--primary-teal);
    transition: var(--transition);
}

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

.btn-primary-nav {
    background: var(--primary-blue);
    color: var(--white);
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-full);
    transition: var(--transition-smooth);
}

.btn-primary-nav::after {
    display: none;
}

.btn-primary-nav:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
    width: 1.5rem;
    height: 0.1875rem;
    background: var(--primary-blue);
    border-radius: 0.1875rem;
    transition: var(--transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(0.3rem, 0.3rem);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(0.4rem, -0.35rem);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(5.3rem + var(--spacing-xxl)) 0 var(--spacing-xxl);
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
        rgba(78, 201, 193, 0.08) 0%,
        rgba(44, 95, 141, 0.05) 50%,
        rgba(111, 217, 209, 0.08) 100%);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(78, 201, 193, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(44, 95, 141, 0.1) 0%, transparent 50%);
}

.spine-decoration {
    position: absolute;
    right: -6rem;
    top: 50%;
    transform: translateY(-50%);
    width: 18rem;
    height: 35.3rem;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 600"><path d="M100 50 Q 80 100, 100 150 T 100 250 T 100 350 T 100 450 T 100 550" stroke="%235ABDB5" stroke-width="2" fill="none" opacity="0.2"/></svg>') no-repeat center;
    background-size: contain;
    animation: float 8s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(-50%) translateX(0); }
    50% { transform: translateY(-50%) translateX(-0.9rem); }
}

.hero-content {
    display: grid;
    gap: var(--spacing-xxl);
    align-items: center;
}

.hero-title {
    font-family: var(--font-secondary);
    font-size: clamp(2.5rem, 6vw, 4rem);
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
}

.hero-title .accent {
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--primary-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    font-weight: 700;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    color: var(--gray-600);
    margin-bottom: var(--spacing-xl);
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.btn {
    padding: 1rem 2.25rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1.0625rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    text-align: center;
    min-width: 10.6rem;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--primary-blue) 100%);
    color: var(--white);
    box-shadow: 0 6px 20px rgba(78, 201, 193, 0.4);
    position: relative;
    overflow: hidden;
    font-weight: 700;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-0.18rem) scale(1.02);
    box-shadow: 0 12px 28px rgba(78, 201, 193, 0.5);
}

.btn-outline {
    border: 0.15rem solid var(--primary-teal);
    color: var(--primary-teal);
    background: transparent;
    font-weight: 600;
    position: relative;
}

.btn-outline::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--primary-teal);
    border-radius: var(--radius-full);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: -1;
}

.btn-outline:hover::before {
    opacity: 1;
}

.btn-outline:hover {
    color: var(--white);
    transform: translateY(-0.18rem);
    box-shadow: 0 8px 20px rgba(78, 201, 193, 0.35);
    border-color: var(--primary-teal);
}

.btn-white {
    background: var(--white);
    color: var(--primary-blue);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    transform: translateY(-0.12rem);
    box-shadow: var(--shadow-lg);
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.image-wrapper {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    max-width: 85%;
}

.image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

.floating-card {
    position: absolute;
    bottom: -0.9rem;
    right: -0.9rem;
    background: var(--white);
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card-hover);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: floatCard 3s ease-in-out infinite;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-0.5rem); }
}

.card-icon {
    width: 2.4rem;
    height: 2.4rem;
    background: var(--primary-teal);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.card-text strong {
    display: block;
    font-size: 1.375rem;
    color: var(--primary-blue);
}

.card-text span {
    font-size: 0.9375rem;
    color: var(--gray-600);
}

/* ===========================
   Section Headers
   =========================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xxxl);
    position: relative;
}

.section-title {
    font-family: var(--font-secondary);
    font-size: clamp(2.5rem, 5.5vw, 3.25rem);
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
    font-weight: 800;
    letter-spacing: -0.03em;
    position: relative;
    display: inline-block;
}

.title-decoration {
    width: 5.3rem;
    height: 0.3rem;
    background: linear-gradient(90deg, var(--primary-teal) 0%, var(--primary-blue) 100%);
    margin: 0 auto var(--spacing-lg);
    border-radius: var(--radius-full);
    box-shadow: 0 4px 12px rgba(78, 201, 193, 0.4);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scaleX(1); opacity: 1; }
    50% { transform: scaleX(1.1); opacity: 0.8; }
}

.section-subtitle {
    font-size: 1.1875rem;
    color: var(--gray-600);
    max-width: 40rem;
    margin: 0 auto;
    line-height: 1.75;
}

/* ===========================
   About Section
   =========================== */
.about {
    padding: var(--spacing-section) 0;
}

.about-content {
    display: grid;
    gap: var(--spacing-xxl);
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
}

.experience-badge {
    position: absolute;
    top: -0.9rem;
    right: -0.9rem;
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--primary-blue) 100%);
    color: var(--white);
    width: 7rem;
    height: 7rem;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(78, 201, 193, 0.4);
    animation: badgePulse 3s ease-in-out infinite;
    border: 0.25rem solid white;
}

@keyframes badgePulse {
    0%, 100% {
        transform: scale(1) rotate(0deg);
        box-shadow: 0 10px 30px rgba(78, 201, 193, 0.4);
    }
    50% {
        transform: scale(1.08) rotate(2deg);
        box-shadow: 0 15px 40px rgba(78, 201, 193, 0.5);
    }
}

.experience-badge .years {
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1;
}

.experience-badge .text {
    font-size: 0.8125rem;
    font-weight: 500;
    margin-top: 0.25rem;
    opacity: 0.95;
}

.about-text h3 {
    font-family: var(--font-secondary);
    font-size: 2.25rem;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.about-text .subtitle {
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 1.1875rem;
    margin-bottom: var(--spacing-lg);
}

.about-text p {
    color: var(--gray-700);
    margin-bottom: var(--spacing-lg);
    font-size: 1.125rem;
}

.qualifications {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.qualification-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    padding: 1.25rem;
    background: var(--light-blue);
    border-radius: var(--radius-md);
    transition: var(--transition-smooth);
    border-left: 0.18rem solid transparent;
}

.qualification-item:hover {
    transform: translateX(0.3rem);
    box-shadow: var(--shadow-card);
    border-left-color: var(--primary-teal);
    background: linear-gradient(to right, var(--light-teal), var(--light-blue));
}

.qualification-item .icon {
    font-size: 1.625rem;
    min-width: 2.4rem;
}

.qualification-item strong {
    display: block;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
    font-size: 1.0625rem;
}

.qualification-item span {
    color: var(--gray-600);
    font-size: 0.9375rem;
    display: block;
    margin-bottom: var(--spacing-xs);
    padding-left: 1.2rem;
    position: relative;
}

.qualification-item span::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
    font-size: 1.1rem;
}

/* ===========================
   Services Section
   =========================== */
.services {
    padding: var(--spacing-section) 0;
    background: linear-gradient(180deg, #FAFBFC 0%, #F8F9FA 100%);
}

.services-grid {
    display: grid;
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 16px rgba(44, 95, 141, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    border: 0.125rem solid rgba(78, 201, 193, 0.1);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0.25rem;
    background: linear-gradient(90deg, var(--primary-teal) 0%, var(--primary-blue) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.service-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(78, 201, 193, 0.03) 0%, rgba(44, 95, 141, 0.03) 100%);
    opacity: 0;
    transition: opacity 0.4s;
}

.service-card:hover {
    transform: translateY(-0.7rem) scale(1.02);
    box-shadow: 0 16px 40px rgba(78, 201, 193, 0.25);
    border-color: var(--primary-teal);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover::after {
    opacity: 1;
}

.service-icon {
    width: 4.1rem;
    height: 4.1rem;
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--primary-blue) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    margin-left: auto;
    margin-right: auto;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: 0 4px 12px rgba(78, 201, 193, 0.3);
}

.service-card:hover .service-icon {
    transform: translateY(-0.3rem) scale(1.1) rotate(5deg);
    box-shadow: 0 8px 24px rgba(78, 201, 193, 0.4);
}

.service-icon svg {
    width: 1.9rem;
    height: 1.9rem;
    color: var(--white);
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.service-card h3 {
    font-size: 1.375rem;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    text-align: center;
}

.service-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    font-size: 1.125rem;
    line-height: 1.7;
    text-align: center;
}

.service-features {
    list-style: none;
    text-align: center;
    display: block;
    align-self: center;
    list-style-position: inside;
    padding-left: 0;
}

.service-features li {
    padding-left: 0;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-700);
    font-size: 0.9375rem;
    text-align: center;
}

.service-features li::before {
    content: '✓ ';
    color: var(--primary-teal);
    font-weight: bold;
    padding-right: 0.3rem;
}

/* ===========================
   CTA Section
   =========================== */
.cta-section {
    padding: var(--spacing-xxxl) 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120"><path d="M0,0V46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1113-14.29,1200,52.47V0Z" opacity=".1" fill="white"/></svg>') repeat-x;
    background-size: 1200px 120px;
    opacity: 0.1;
    pointer-events: none;
}

.cta-content h2 {
    font-family: var(--font-secondary);
    font-size: clamp(2rem, 4.5vw, 2.75rem);
    margin-bottom: var(--spacing-md);
    position: relative;
}

.cta-content p {
    font-size: 1.1875rem;
    opacity: 0.95;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.7;
    position: relative;
}

/* ===========================
   Contact Section
   =========================== */
.contact {
    padding: var(--spacing-section) 0;
}

.contact-content {
    display: grid;
    gap: var(--spacing-xxl);
}

.contact-info h3 {
    font-size: 1.625rem;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xl);
}

.info-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.info-icon {
    font-size: 1.625rem;
    min-width: 40px;
}

.info-item strong {
    display: block;
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
    font-size: 1.0625rem;
}

.info-item p {
    color: var(--gray-600);
    font-size: 1.0625rem;
}

.info-item a {
    color: var(--primary-blue);
    text-decoration: none;
}

.info-item a:hover {
    text-decoration: underline;
}

/* Contact Form */
.contact-form {
    background: var(--gray-50);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.form-row {
    display: grid;
    gap: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    color: var(--gray-700);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.9375rem 1.125rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1.0625rem;
    transition: var(--transition-smooth);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-teal);
    box-shadow: 0 0 0 4px rgba(90, 189, 181, 0.08);
    background: var(--white);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: var(--gray-400);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-right: var(--spacing-sm);
    margin-top: 3px;
}

.checkbox-group span {
    font-size: 0.9375rem;
    color: var(--gray-600);
}

.btn-submit {
    width: 100%;
    position: relative;
}

.btn-loading {
    display: none;
}

.btn-submit.loading .btn-text {
    display: none;
}

.btn-submit.loading .btn-loading {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: 10px;
    text-align: center;
    display: none;
}

.form-message.success {
    background: #D4EDDA;
    color: #155724;
    border: 1px solid #C3E6CB;
    display: block;
}

.form-message.error {
    background: #F8D7DA;
    color: #721C24;
    border: 1px solid #F5C6CB;
    display: block;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 50%, var(--gray-900) 100%);
    color: var(--white);
    padding: var(--spacing-xxxl) 0 var(--spacing-xl);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(90, 189, 181, 0.3), transparent);
}

.footer-content {
    display: grid;
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-xxl);
}

.footer-logo img {
    height: 80px;
    filter: brightness(0) invert(1);
    margin-bottom: var(--spacing-md);
}

.footer-logo p {
    opacity: 0.85;
    line-height: 1.6;
    font-size: 1.0625rem;
}

.footer-links h4 {
    margin-bottom: var(--spacing-lg);
    font-size: 1.1875rem;
    font-weight: 600;
}

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

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--white);
    opacity: 0.85;
    transition: var(--transition-smooth);
    display: inline-block;
    font-size: 1rem;
}

.footer-links a:hover {
    opacity: 1;
    transform: translateX(4px);
    color: var(--primary-teal);
}

.footer-contact h4 {
    margin-bottom: var(--spacing-lg);
    font-size: 1.1875rem;
    font-weight: 600;
}

.footer-contact p {
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
    line-height: 1.6;
    font-size: 1rem;
}

.footer-contact a {
    color: var(--primary-teal-light);
    transition: var(--transition-smooth);
}

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

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255,255,255,0.08);
    text-align: center;
    opacity: 0.75;
}

.footer-bottom p {
    margin-bottom: var(--spacing-xs);
    font-size: 0.9375rem;
}

/* ===========================
   Back to Top Button
   =========================== */
.back-to-top {
    position: fixed;
    bottom: 1.8rem;
    right: 1.8rem;
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--primary-teal-light) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-card-hover);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
    transform: translateY(-0.18rem);
    box-shadow: var(--shadow-lg);
}

.back-to-top svg {
    width: 1.4rem;
    height: 1.4rem;
}

/* ===========================
   Animations
   =========================== */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s cubic-bezier(0.33, 1, 0.68, 1),
                transform 0.7s cubic-bezier(0.33, 1, 0.68, 1);
}

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

.fade-in {
    opacity: 0;
    transition: opacity 0.7s cubic-bezier(0.33, 1, 0.68, 1);
}

.fade-in.visible {
    opacity: 1;
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.7s cubic-bezier(0.33, 1, 0.68, 1),
                transform 0.7s cubic-bezier(0.33, 1, 0.68, 1);
}

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

.fade-in-right {
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.7s cubic-bezier(0.33, 1, 0.68, 1),
                transform 0.7s cubic-bezier(0.33, 1, 0.68, 1);
}

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

/* Animation delays - more subtle */
[data-delay="100"] { transition-delay: 0.1s; }
[data-delay="200"] { transition-delay: 0.15s; }
[data-delay="300"] { transition-delay: 0.2s; }
[data-delay="400"] { transition-delay: 0.25s; }
[data-delay="500"] { transition-delay: 0.3s; }

/* ===========================
   Responsive Design
   =========================== */
@media (min-width: 640px) and (max-width: 767px) {
    /* Tablet portrait optimization */
    html {
        font-size: 12.5px;
    }

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

    .logo-img {
        height: 65px;
    }

    /* Navigation */
    .nav-link {
        font-size: 0.9375rem;
    }

    /* Hero */
    .hero {
        padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    }

    .hero-title {
        font-size: clamp(2rem, 6vw, 2.75rem);
    }

    .hero-subtitle {
        font-size: clamp(1rem, 3vw, 1.25rem);
    }

    .btn {
        padding: 0.875rem 1.875rem;
        font-size: 1rem;
        min-width: 150px;
    }

    .hero-buttons {
        gap: var(--spacing-md);
    }

    .floating-card {
        padding: 1rem;
    }

    .card-icon {
        width: 36px;
        height: 36px;
    }

    .card-text strong {
        font-size: 1.1875rem;
    }

    .card-text span {
        font-size: 0.875rem;
    }

    /* Sections */
    .about,
    .services,
    .contact {
        padding: calc(var(--spacing-section) * 0.75) 0;
    }

    .section-title {
        font-size: clamp(2rem, 6vw, 2.5rem);
    }

    .section-subtitle {
        font-size: 1rem;
    }

    /* About */
    .about-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }

    .about-image {
        grid-column: 1;
        grid-row: 1;
    }

    .about-text {
        grid-column: 2;
        grid-row: 1;
    }

    .about-text > h3,
    .about-text > .subtitle,
    .about-text > p {
        margin-bottom: var(--spacing-sm);
    }

    .qualifications {
        grid-column: 1 / -1;
        grid-row: 2;
        margin-top: 0;
    }

    .experience-badge {
        width: 100px;
        height: 100px;
    }

    .experience-badge .years {
        font-size: 2rem;
    }

    .experience-badge .text {
        font-size: 0.75rem;
    }

    .about-text h3 {
        font-size: 1.875rem;
    }

    .about-text .subtitle {
        font-size: 1.0625rem;
    }

    .about-text p {
        font-size: 1rem;
    }

    .qualification-item {
        padding: 1rem;
    }

    .qualification-item .icon {
        font-size: 1.375rem;
    }

    .qualification-item strong {
        font-size: 0.9375rem;
    }

    .qualification-item span {
        font-size: 0.8125rem;
    }

    /* Services - 2 columns */
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .service-card {
        padding: 1.5rem;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .service-card h3,
    .service-card p {
        text-align: center;
    }

    .service-card:nth-child(3) {
        grid-column: span 2;
        justify-self: center;
        max-width: 50%;
    }

    .service-icon {
        margin-left: auto;
        margin-right: auto;
    }

    .service-features {
        text-align: center;
        display: block;
        align-self: center;
        list-style-position: inside;
        padding-left: 0;
    }

    .service-features li {
        font-size: 0.8125rem;
        padding-left: 0;
        text-align: center;
    }

    .service-features li::before {
        content: '✓ ';
        color: var(--primary-teal);
        font-weight: bold;
        padding-right: 0.3rem;
    }

    .service-icon {
        width: 60px;
        height: 60px;
    }

    .service-icon svg {
        width: 28px;
        height: 28px;
    }

    .service-card h3 {
        font-size: 1.1875rem;
    }

    .service-card p {
        font-size: 1rem;
    }

    /* CTA */
    .cta-content h2 {
        font-size: clamp(1.875rem, 5vw, 2.25rem);
    }

    .cta-content p {
        font-size: 1.0625rem;
    }

    /* Contact */
    .contact-info h3 {
        font-size: 1.375rem;
    }

    .info-icon {
        font-size: 1.375rem;
    }

    .info-item strong,
    .info-item p {
        font-size: 0.9375rem;
    }

    .contact-form {
        padding: 1.75rem;
    }

    .form-group label {
        font-size: 0.875rem;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.8125rem 0.9375rem;
        font-size: 0.9375rem;
    }

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

    /* Footer */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-logo img {
        height: 65px;
    }

    .footer-logo p {
        font-size: 0.9375rem;
    }

    .footer-links h4,
    .footer-contact h4 {
        font-size: 1.0625rem;
    }

    .footer-links a,
    .footer-contact p {
        font-size: 0.875rem;
    }

    .footer-bottom p {
        font-size: 0.8125rem;
    }
}

@media (min-width: 640px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) and (max-width: 991px) {
    /* Tablet landscape optimization */
    html {
        font-size: 13.5px;
    }

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

    .logo-img {
        height: 75px;
    }

    /* Navigation */
    .nav-menu {
        display: flex;
        gap: var(--spacing-lg);
    }

    .mobile-menu-toggle {
        display: none;
    }

    .nav-link {
        font-size: 0.9375rem;
    }

    /* Hero Section */
    .hero {
        padding: calc(90px + var(--spacing-xl)) 0 var(--spacing-xl);
    }

    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }

    .hero-title {
        font-size: clamp(2.25rem, 5vw, 3rem);
    }

    .hero-subtitle {
        font-size: clamp(1.0625rem, 2.5vw, 1.25rem);
    }

    .btn {
        padding: 0.9375rem 2rem;
        font-size: 1rem;
        min-width: 160px;
    }

    .floating-card {
        padding: 1rem;
    }

    .card-icon {
        width: 38px;
        height: 38px;
        font-size: 1.375rem;
    }

    .card-text strong {
        font-size: 1.25rem;
    }

    /* Sections */
    .about,
    .services,
    .contact {
        padding: calc(var(--spacing-section) * 0.85) 0;
    }

    .section-title {
        font-size: clamp(2.25rem, 5vw, 2.75rem);
    }

    .section-subtitle {
        font-size: 1.0625rem;
    }

    /* About Section */
    .about-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }

    .about-image {
        grid-column: 1;
        grid-row: 1;
    }

    .about-text {
        grid-column: 2;
        grid-row: 1;
    }

    .about-text > h3,
    .about-text > .subtitle,
    .about-text > p {
        margin-bottom: var(--spacing-md);
    }

    .qualifications {
        grid-column: 1 / -1;
        grid-row: 2;
        margin-top: 0;
    }

    .experience-badge {
        width: 105px;
        height: 105px;
    }

    .experience-badge .years {
        font-size: 2.125rem;
    }

    .experience-badge .text {
        font-size: 0.75rem;
    }

    .about-text h3 {
        font-size: 2rem;
    }

    .about-text .subtitle {
        font-size: 1.125rem;
    }

    .about-text p {
        font-size: 1.0625rem;
    }

    .qualification-item {
        padding: 1rem;
    }

    .qualification-item .icon {
        font-size: 1.5rem;
    }

    .qualification-item strong {
        font-size: 1rem;
    }

    .qualification-item span {
        font-size: 0.875rem;
    }

    /* Services - 2 columns on tablet */
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    .service-card {
        padding: 1.75rem;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .service-card h3,
    .service-card p {
        text-align: center;
    }

    .service-card:nth-child(3) {
        grid-column: span 2;
        justify-self: center;
        max-width: 50%;
    }

    .service-icon {
        margin-left: auto;
        margin-right: auto;
    }

    .service-features {
        text-align: center;
        display: block;
        align-self: center;
        list-style-position: inside;
        padding-left: 0;
    }

    .service-features li {
        font-size: 0.875rem;
        padding-left: 0;
        text-align: center;
    }

    .service-features li::before {
        content: '✓ ';
        color: var(--primary-teal);
        font-weight: bold;
        padding-right: 0.3rem;
    }

    .service-icon {
        width: 65px;
        height: 65px;
    }

    .service-icon svg {
        width: 30px;
        height: 30px;
    }

    .service-card h3 {
        font-size: 1.25rem;
    }

    .service-card p {
        font-size: 1.0625rem;
    }

    /* CTA Section */
    .cta-content h2 {
        font-size: clamp(2rem, 4vw, 2.5rem);
    }

    .cta-content p {
        font-size: 1.125rem;
    }

    /* Contact */
    .contact-content {
        grid-template-columns: 1fr 1.5fr;
        gap: var(--spacing-xl);
    }

    .contact-info h3 {
        font-size: 1.5rem;
    }

    .info-icon {
        font-size: 1.5rem;
    }

    .info-item strong {
        font-size: 1rem;
    }

    .info-item p {
        font-size: 1rem;
    }

    .contact-form {
        padding: 2rem;
    }

    .form-group label {
        font-size: 0.9375rem;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.875rem 1rem;
        font-size: 1rem;
    }

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

    /* Footer */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }

    .footer-logo img {
        height: 70px;
    }

    .footer-logo p {
        font-size: 1rem;
    }

    .footer-links h4,
    .footer-contact h4 {
        font-size: 1.125rem;
    }

    .footer-links a,
    .footer-contact p {
        font-size: 0.9375rem;
    }
}

@media (min-width: 768px) {
    /* Desktop styles */
    .nav-menu {
        display: flex;
    }

    .mobile-menu-toggle {
        display: none;
    }

    .hero-content {
        grid-template-columns: 1fr 1fr;
    }

    .about-content {
        grid-template-columns: 1fr 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr 1.5fr;
    }
}

@media (min-width: 992px) {
    /* Large desktop */
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-content {
        grid-template-columns: 2fr 1fr 1fr 2fr;
    }

    /* About Section */
    .about-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xxl);
    }

    .about-image {
        grid-column: 1;
        grid-row: 1;
    }

    .about-text {
        grid-column: 2;
        grid-row: 1;
    }

    .qualifications {
        grid-column: 1 / -1;
        grid-row: 2;
        margin-top: var(--spacing-lg);
    }
}

/* Mobile Menu (visible when toggled) */
@media (max-width: 767px) {
    /* Base font size reduction for mobile */
    html {
        font-size: 11.5px;
    }

    /* Container padding */
    .container {
        padding: 0 var(--spacing-md);
        text-align: center;
    }

    /* Navigation adjustments */
    .navbar {
        box-shadow: 0 2px 8px rgba(44, 95, 141, 0.08);
    }

    .nav-content {
        padding: 0.625rem 0;
    }

    .logo-img {
        height: 55px;
    }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 60px);
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-xl) var(--spacing-md);
        gap: var(--spacing-md);
        transition: var(--transition-smooth);
        box-shadow: var(--shadow-xl);
    }

    .nav-menu.active {
        left: 0;
        display: flex;
    }

    .nav-link {
        font-size: 1.0625rem;
        padding: var(--spacing-sm);
    }

    /* Hero Section */
    .hero {
        min-height: auto;
        padding: calc(70px + var(--spacing-lg)) 0 var(--spacing-xl);
    }

    .hero-title {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
        margin-bottom: var(--spacing-md);
    }

    .hero-subtitle {
        font-size: clamp(0.9375rem, 4vw, 1.125rem);
        margin-bottom: var(--spacing-lg);
    }

    .hero-image {
        margin-top: var(--spacing-xl);
    }

    .floating-card {
        position: static;
        margin-top: var(--spacing-md);
        padding: 0.875rem;
        box-shadow: var(--shadow-card);
        text-align: center;
        justify-content: center;
    }

    .card-icon {
        width: 35px;
        height: 35px;
        font-size: 1.25rem;
    }

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

    .card-text strong {
        font-size: 1.125rem;
    }

    .card-text span {
        font-size: 0.8125rem;
    }

    /* Buttons */
    .btn {
        width: 100%;
        min-width: auto;
        padding: 0.8125rem 1.5rem;
        font-size: 0.9375rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-sm);
    }

    /* Section spacing */
    .about,
    .services,
    .contact,
    .cta-section {
        padding: var(--spacing-xxl) 0;
    }

    /* Section headers */
    .section-header {
        margin-bottom: var(--spacing-xl);
    }

    .section-title {
        font-size: clamp(1.75rem, 7vw, 2.25rem);
        margin-bottom: var(--spacing-md);
    }

    .section-subtitle {
        font-size: 0.9375rem;
    }

    .title-decoration {
        width: 60px;
        height: 4px;
    }

    /* About section */
    .experience-badge {
        top: 10px;
        right: 10px;
        width: 75px;
        height: 75px;
        border: 3px solid white;
    }

    .experience-badge .years {
        font-size: 1.5rem;
    }

    .experience-badge .text {
        font-size: 0.6875rem;
    }

    .about-text h3 {
        font-size: 1.625rem;
        text-align: center;
    }

    .about-text .subtitle {
        font-size: 1rem;
        text-align: center;
    }

    .about-text p {
        font-size: 0.9375rem;
        text-align: center;
    }

    .qualification-item {
        padding: 0.875rem;
        text-align: center;
        flex-direction: column;
        align-items: center;
    }

    .qualification-item .icon {
        font-size: 1.25rem;
        min-width: 30px;
        margin-bottom: var(--spacing-xs);
    }

    .qualification-item > div {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .qualification-item strong {
        font-size: 0.9375rem;
        text-align: center;
    }

    .qualification-item span {
        font-size: 0.8125rem;
        padding-left: 0;
        text-align: center;
    }

    .qualification-item span::before {
        content: none;
    }

    /* Services */
    .service-card {
        padding: 1.25rem;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .service-card:hover {
        transform: translateY(-6px) scale(1.01);
    }

    .service-icon {
        width: 55px;
        height: 55px;
        margin-bottom: var(--spacing-md);
        margin-left: auto;
        margin-right: auto;
    }

    .service-icon svg {
        width: 26px;
        height: 26px;
    }

    .service-card h3 {
        font-size: 1.125rem;
        margin-bottom: var(--spacing-sm);
        text-align: center;
    }

    .service-card p {
        font-size: 0.9375rem;
        margin-bottom: var(--spacing-md);
        text-align: center;
    }

    .service-features {
        text-align: center;
        display: block;
        align-self: center;
        list-style-position: inside;
        padding-left: 0;
    }

    .service-features li {
        font-size: 0.8125rem;
        padding-left: 0;
        text-align: center;
    }

    .service-features li::before {
        content: '✓ ';
        color: var(--primary-teal);
        font-weight: bold;
        padding-right: 0.3rem;
    }

    /* CTA Section */
    .cta-content h2 {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }

    .cta-content p {
        font-size: 0.9375rem;
    }

    /* Contact */
    .contact-info {
        text-align: center;
    }

    .contact-info h3 {
        font-size: 1.25rem;
        margin-bottom: var(--spacing-lg);
    }

    .info-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .info-icon {
        font-size: 1.5rem;
        min-width: auto;
        margin-bottom: var(--spacing-xs);
    }

    .info-item > div {
        text-align: center;
    }

    .info-item strong {
        font-size: 0.9375rem;
        display: block;
    }

    .info-item p {
        font-size: 0.9375rem;
    }

    /* Contact Form */
    .contact-form {
        padding: 1.25rem;
    }

    .form-group label {
        font-size: 0.875rem;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.75rem 0.875rem;
        font-size: 0.9375rem;
    }

    .checkbox-group span {
        font-size: 0.8125rem;
    }

    /* Footer */
    .footer {
        padding: var(--spacing-xxl) 0 var(--spacing-lg);
        text-align: center;
    }

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

    .footer-logo {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-logo img {
        height: 60px;
        margin-left: auto;
        margin-right: auto;
    }

    .footer-logo p {
        font-size: 0.9375rem;
    }

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

    .footer-links h4,
    .footer-contact h4 {
        font-size: 1rem;
        margin-bottom: var(--spacing-md);
    }

    .footer-links a,
    .footer-contact p {
        font-size: 0.875rem;
    }

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

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

    .footer-bottom p {
        font-size: 0.8125rem;
    }

    /* Back to top */
    .back-to-top {
        bottom: 15px;
        right: 15px;
        width: 44px;
        height: 44px;
    }

    .back-to-top svg {
        width: 20px;
        height: 20px;
    }
}

/* Extra small mobile devices */
@media (max-width: 374px) {
    html {
        font-size: 11px;
    }

    .logo-img {
        height: 50px;
    }

    .container {
        padding: 0 0.75rem;
    }

    .hero-title {
        font-size: clamp(1.5rem, 9vw, 2rem);
    }

    .section-title {
        font-size: clamp(1.5rem, 8vw, 2rem);
    }

    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.875rem;
    }

    .service-icon {
        width: 50px;
        height: 50px;
    }

    .service-icon svg {
        width: 24px;
        height: 24px;
    }

    .experience-badge {
        width: 65px;
        height: 65px;
    }

    .experience-badge .years {
        font-size: 1.25rem;
    }

    .experience-badge .text {
        font-size: 0.625rem;
    }

    .floating-card {
        padding: 0.75rem;
    }

    .card-icon {
        width: 30px;
        height: 30px;
        font-size: 1.125rem;
    }

    .service-card,
    .contact-form {
        padding: 1rem;
    }

    .qualification-item {
        padding: 0.75rem;
    }
}

/* Disable hover effects on touch devices */
@media (hover: none) and (pointer: coarse) {
    .service-card:hover {
        transform: none;
        box-shadow: 0 4px 16px rgba(44, 95, 141, 0.1);
    }

    .service-card:hover .service-icon {
        transform: none;
    }

    .btn-primary:hover,
    .btn-outline:hover {
        transform: none;
    }

    .qualification-item:hover {
        transform: none;
    }

    .btn:active {
        transform: scale(0.98);
    }
}

/* Reduce animations on mobile for better performance */
@media (max-width: 767px) {
    .fade-in-up,
    .fade-in-left,
    .fade-in-right,
    .fade-in {
        transition-duration: 0.4s;
    }

    .service-card,
    .qualification-item {
        transition-duration: 0.25s;
    }

    /* Disable parallax on mobile for better performance */
    .hero-background,
    .spine-decoration {
        transform: none !important;
    }

    /* Disable complex animations on mobile */
    .experience-badge {
        animation: none;
    }

    .floating-card {
        animation: none;
    }
}

/* Loading states */
@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* Print styles */
@media print {
    .navbar,
    .back-to-top,
    .cta-section {
        display: none;
    }
    
    body {
        font-size: 12pt;
    }
    
    .container {
        max-width: 100%;
    }
}