/* ============================================
   CSS Variables - Elegant Design System
   ============================================ */
:root {
    /* Color Palette - Professional Business Theme */
    --color-primary: #1e293b;
    --color-primary-dark: #0f172a;
    --color-primary-light: #334155;
    --color-secondary: #475569;
    --color-accent: #f59e0b;
    --color-accent-blue: #3b82f6;
    --color-accent-cyan: #06b6d4;
    --color-accent-indigo: #6366f1;
    --color-accent-teal: #14b8a6;
    --color-accent-amber: #f59e0b;
    
    /* Neutral Colors */
    --color-dark: #0f172a;
    --color-dark-light: #1e293b;
    --color-gray: #64748b;
    --color-gray-light: #94a3b8;
    --color-gray-lighter: #cbd5e1;
    --color-white: #ffffff;
    --color-bg: #f8fafc;
    --color-bg-dark: #0f172a;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Font Sizes */
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 1.875rem;
    --fs-4xl: 2.25rem;
    --fs-5xl: 3rem;
    --fs-6xl: 3.75rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Layout */
    --container-max-width: 1200px;
    --header-height: 80px;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: var(--fs-base);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-dark);
}

h1 { font-size: var(--fs-5xl); }
h2 { font-size: var(--fs-4xl); }
h3 { font-size: var(--fs-3xl); }
h4 { font-size: var(--fs-2xl); }
h5 { font-size: var(--fs-xl); }
h6 { font-size: var(--fs-lg); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-gray);
}

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

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

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

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* ============================================
   Section Styles
   ============================================ */
.section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section__tag {
    display: inline-block;
    font-size: var(--fs-sm);
    font-weight: 600;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.section__tag::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-full);
}

.section__title {
    font-size: var(--fs-4xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.section__subtitle {
    font-size: var(--fs-lg);
    color: var(--color-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.nav__brand {
    z-index: 1001;
}

.nav__logo {
    font-family: var(--font-heading);
    font-size: var(--fs-2xl);
    font-weight: 700;
    background: linear-gradient(135deg, #1e293b, #334155, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav__link {
    font-weight: 500;
    color: var(--color-dark);
    position: relative;
    padding: var(--spacing-xs) 0;
    transition: var(--transition-base);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent-amber));
    transition: var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-primary);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.nav__toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-dark);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: var(--header-height);
    background: linear-gradient(135deg, #faf5ff 0%, #fce7f3 30%, #e0f2fe 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(30, 41, 59, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(71, 85, 105, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(245, 158, 11, 0.08) 0%, transparent 50%);
    animation: gradient-shift 8s ease infinite;
    background-size: 200% 200%;
    z-index: 1;
}

.hero__container {
    position: relative;
    z-index: 2;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero__content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero__content::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
    z-index: -1;
}

.hero__title {
    font-size: var(--fs-5xl);
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
    color: var(--color-dark);
}

.hero__title--highlight {
    background: linear-gradient(135deg, #1e293b, #334155, #475569, #f59e0b, #fbbf24, #475569, #334155, #1e293b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    animation: gradient-shift 3s ease infinite;
    background-size: 200% 200%;
    font-weight: 700;
    filter: drop-shadow(0 0 20px rgba(30, 41, 59, 0.4));
    position: relative;
}

.hero__subtitle {
    font-size: var(--fs-xl);
    color: var(--color-gray);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero__cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

.hero__visual {
    position: relative;
    height: 400px;
    display: none;
}

.hero__gradient {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary), var(--color-accent-cyan));
    border-radius: var(--radius-xl);
    opacity: 0.3;
    filter: blur(80px);
    animation: float 6s ease-in-out infinite;
    position: relative;
}

.hero__gradient::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.4) 0%, transparent 50%);
    animation: gradient-shift 5s ease infinite;
}

.hero__scroll {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-gray);
    font-size: var(--fs-sm);
    z-index: 2;
}

.hero__scroll-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-secondary), transparent);
    animation: scroll-indicator 2s infinite;
    box-shadow: 0 0 10px rgba(30, 41, 59, 0.6);
}

@keyframes scroll-indicator {
    0%, 100% { opacity: 0.3; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(10px); }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--fs-base);
    font-weight: 500;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary), var(--color-accent-amber));
    color: var(--color-white);
    box-shadow: 0 10px 30px rgba(30, 41, 59, 0.4), 0 0 20px rgba(245, 158, 11, 0.3);
    position: relative;
    overflow: hidden;
}

.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 0.5s;
}

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

.btn--primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 40px rgba(30, 41, 59, 0.6), 0 0 30px rgba(245, 158, 11, 0.4);
}

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

.btn--secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 30px rgba(168, 85, 247, 0.3);
}

.btn--full {
    width: 100%;
}

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

.about__card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(250, 245, 255, 1) 100%);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(168, 85, 247, 0.1);
    text-align: center;
    transition: var(--transition-base);
    border: 1px solid var(--color-gray-lighter);
    position: relative;
    overflow: hidden;
}

.about__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent-cyan));
    transform: scaleX(0);
    transition: var(--transition-base);
}

.about__card:hover::before {
    transform: scaleX(1);
}

.about__card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 50px rgba(30, 41, 59, 0.25), 0 0 30px rgba(245, 158, 11, 0.15);
}

.about__icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 25px rgba(30, 41, 59, 0.4);
    transition: var(--transition-base);
}

.about__card:hover .about__icon {
    transform: scale(1.15) rotate(-5deg);
    box-shadow: 0 15px 35px rgba(30, 41, 59, 0.6);
}

.about__icon svg {
    width: 100%;
    height: 100%;
}

.about__card-title {
    font-size: var(--fs-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.about__card-text {
    color: var(--color-gray);
    line-height: 1.7;
}

/* ============================================
   Services Section
   ============================================ */
.services {
    background: linear-gradient(180deg, #ffffff 0%, #faf5ff 50%, #ffffff 100%);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 20%, rgba(30, 41, 59, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(71, 85, 105, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

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

.service__card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(30, 41, 59, 0.1);
    transition: var(--transition-base);
    border: 1px solid var(--color-gray-lighter);
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(248, 250, 252, 1) 100%);
}

.service__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent-amber));
    transform: scaleX(0);
    transition: var(--transition-base);
}

.service__card:hover::before {
    transform: scaleX(1);
}

.service__card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 50px rgba(30, 41, 59, 0.3), 0 0 30px rgba(245, 158, 11, 0.2);
    border-color: var(--color-primary);
}

.service__card--featured {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.1), rgba(71, 85, 105, 0.1), rgba(245, 158, 11, 0.05));
    border: 2px solid;
    border-image: linear-gradient(135deg, var(--color-primary), var(--color-secondary), var(--color-accent-amber)) 1;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(30, 41, 59, 0.1);
}

.service__card--featured::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(30, 41, 59, 0.15) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
    z-index: 0;
}

.service__card--featured > * {
    position: relative;
    z-index: 1;
}

.service__card--featured::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-accent-amber), var(--color-secondary));
    opacity: 1;
    animation: gradient-shift 3s ease infinite;
    background-size: 200% 100%;
}

.service__icon {
    width: 70px;
    height: 70px;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 25px rgba(30, 41, 59, 0.4);
    transition: var(--transition-base);
}

.service__card:hover .service__icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 35px rgba(30, 41, 59, 0.6);
}

.service__icon svg {
    width: 100%;
    height: 100%;
}

.service__title {
    font-size: var(--fs-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.service__description {
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.service__features {
    list-style: none;
    margin-top: var(--spacing-md);
}

.service__features li {
    padding: var(--spacing-xs) 0;
    color: var(--color-gray);
    position: relative;
    padding-left: var(--spacing-lg);
}

.service__features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 600;
}

/* ============================================
   Contact Section
   ============================================ */
.contact__content {
    display: flex;
    justify-content: center;
    align-items: center;
}

.contact__info {
    display: grid;
    gap: var(--spacing-xl);
    max-width: 800px;
    width: 100%;
}

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

.contact__item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    justify-content: center;
}

.contact__item--email {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.1), rgba(71, 85, 105, 0.1));
    border-radius: var(--radius-xl);
    border: 2px solid;
    border-image: linear-gradient(135deg, var(--color-primary), var(--color-secondary)) 1;
}

.contact__icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary), var(--color-accent-amber));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
}

.contact__icon--large {
    width: 80px;
    height: 80px;
    min-width: 80px;
}

.contact__icon svg {
    width: 24px;
    height: 24px;
}

.contact__label {
    font-size: var(--fs-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-dark);
}

.contact__text {
    color: var(--color-gray);
    line-height: 1.7;
    margin: 0;
}

.contact__email {
    font-size: var(--fs-xl);
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-base);
    display: inline-block;
}

.contact__email:hover {
    color: var(--color-secondary);
    transform: translateY(-2px);
}

/* ============================================
   Form Styles
   ============================================ */
.contact__form {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.form__group {
    position: relative;
    margin-bottom: var(--spacing-lg);
}

.form__input {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--fs-base);
    font-family: var(--font-primary);
    border: 2px solid var(--color-gray-lighter);
    border-radius: var(--radius-md);
    background: var(--color-white);
    transition: var(--transition-base);
    outline: none;
}

.form__input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.form__label {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    color: var(--color-gray);
    pointer-events: none;
    transition: var(--transition-base);
    background: var(--color-white);
    padding: 0 var(--spacing-xs);
}

.form__input:focus + .form__label,
.form__input:not(:placeholder-shown) + .form__label {
    top: -10px;
    left: var(--spacing-sm);
    font-size: var(--fs-sm);
    color: var(--color-primary);
}

.form__message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    display: none;
}

.form__message.success {
    display: block;
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.form__message.error {
    display: block;
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-dark);
    color: var(--color-gray-light);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer__content {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.footer__brand {
    max-width: 600px;
}

.footer__logo {
    font-family: var(--font-heading);
    font-size: var(--fs-2xl);
    font-weight: 700;
    background: linear-gradient(135deg, #1e293b, #334155, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
}

.footer__tagline {
    color: var(--color-gray-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.footer__address {
    color: var(--color-gray-light);
    line-height: 1.8;
    margin-top: var(--spacing-md);
}

.footer__title {
    font-size: var(--fs-lg);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer__list {
    list-style: none;
}

.footer__list li {
    margin-bottom: var(--spacing-xs);
}

.footer__link {
    color: var(--color-gray-light);
    transition: var(--transition-base);
}

.footer__link:hover {
    color: var(--color-primary);
    padding-left: var(--spacing-xs);
}

.footer__text {
    color: var(--color-gray-light);
    line-height: 1.7;
}

.footer__bottom {
    border-top: 1px solid var(--color-dark-light);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer__copyright {
    color: var(--color-gray);
    font-size: var(--fs-sm);
    margin: 0;
}

/* ============================================
   Scroll to Top Button
   ============================================ */
.scroll-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary), var(--color-accent-amber));
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-base);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.scroll-top svg {
    width: 24px;
    height: 24px;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (min-width: 768px) {
    .hero__title {
        font-size: var(--fs-6xl);
    }
    
    .hero__container {
        grid-template-columns: 1fr 1fr;
    }
    
    .hero__visual {
        display: block;
    }
    
    .hero__content {
        text-align: left;
    }
    
    .hero__cta {
        justify-content: flex-start;
    }
    
    .about__content {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact__info {
        grid-template-columns: 1fr;
        max-width: 600px;
    }
    
}

@media (min-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .service__card--featured {
        /* Remove span 2 to prevent empty spaces */
    }
}

@media (max-width: 767px) {
    .nav__menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-xl);
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
        transition: var(--transition-base);
        gap: var(--spacing-lg);
    }
    
    .nav__menu.active {
        transform: translateX(0);
    }
    
    .nav__toggle {
        display: flex;
    }
    
    .nav__toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .nav__toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav__toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section__title {
        font-size: var(--fs-3xl);
    }
    
    .hero__title {
        font-size: var(--fs-4xl);
    }
    
    .hero__subtitle {
        font-size: var(--fs-lg);
    }
    
    .hero__cta {
        margin-bottom: var(--spacing-3xl);
    }
    
    .hero__scroll {
        bottom: var(--spacing-md);
    }
}