:root {
  --header-h: 80px; /* Default header height - will be set by JS */
}
body {
    padding: 0;
    margin: 0;
    font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', sans-serif;
    background: white;
    min-height: 100vh;
    color: #333;
    padding-top: var(--header-h);
}
/* Holiday Banner Styles */
.holiday-hero {
    position: relative;
    background: linear-gradient(135deg, #b91d1d 0%, #166534 100%);
    color: white;
    padding: 100px 0;
    min-height: 500px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.holiday-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://static.photos/holiday/1200x630/1') center/cover;
    opacity: 0.3;
    z-index: 0;
}

/* Snowflakes Animation */
.snowflakes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.snowflake {
    position: absolute;
    color: white;
    font-size: 1.5rem;
    animation: falling linear infinite;
    text-shadow: 0 0 5px white;
}

@keyframes falling {
    0% {
        transform: translateY(-10vh) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(110vh) rotate(360deg);
        opacity: 0;
    }
}

.snowflake:nth-child(1) {
    left: 10%;
    animation-duration: 8s;
    animation-delay: 0s;
}

.snowflake:nth-child(2) {
    left: 30%;
    animation-duration: 10s;
    animation-delay: 2s;
}

.snowflake:nth-child(3) {
    left: 60%;
    animation-duration: 7s;
    animation-delay: 1s;
}

.snowflake:nth-child(4) {
    left: 80%;
    animation-duration: 9s;
    animation-delay: 3s;
}
.hero-banner .container {
    position: relative;
    z-index: 10;
}

.hero-banner::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
}
.holiday-hero h1 {
    color: white;
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    position: relative;
    z-index: 2;
}
.holiday-hero p {
    font-size: 1.5rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
    position: relative;
    z-index: 2;
    color: rgba(0,0,0,0.9);
}
.hero-banner p {
    color: rgba(255,255,255,0.9);
    font-size: 1.25rem;
    margin-bottom: 2rem;
}
#beforeAfterModal img {
    transition: transform 0.3s ease;
}

#beforeAfterModal img:hover {
    transform: scale(1.02);
}
/* Service Tabs */
.service-tab {
    background: #fff;
    border: 1px solid #e5e5e5;
    color: #333;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    user-select: none;
}
.service-tab:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}

.service-tab.active {
    background: #333;
    color: white;
}
/* Service Categories */
.service-category {
    display: none;
}

.service-category.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.logo {
    background: linear-gradient(90deg, #2196F3 0%, #E53935 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 700;
    font-size: 2rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    animation: gradientFlow 5s ease infinite;
    background-size: 200% 200%;
}
@keyframes gradientFlow {
    0% {background-position: 0% 50%;}
    50% {background-position: 100% 50%;}
    100% {background-position: 0% 50%;}
}
.hero-logo {
    mix-blend-mode: overlay;
    filter: brightness(1.2);
}
h1, h2, h3 {
    color: #1565C0;
    font-weight: 600;
}

p {
    color: #546E7A;
    line-height: 1.6;
}

.card {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(33, 150, 243, 0.1);
    border: none;
}

.primary-btn {
    background: linear-gradient(90deg, #2196F3 0%, #1976D2 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(33, 150, 243, 0.2);
}
.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(33, 150, 243, 0.3);
}

/* Calculator Styles */
#estimate-result {
    transition: all 0.3s ease;
}
.form-group.hidden {
    display: none;
    opacity: 0;
    height: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}
.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #e2e8f0;
    border-radius: 0.375rem;
    transition: border-color 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: #4299e1;
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.2);
}
/* Contact Form Layout */
.contact-wrapper {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.contact-info { 
  flex: 1; 
}

.contact-form { 
  flex: 1; 
}

/* Desktop/large screens keep side-by-side */
@media (min-width: 769px) {
  .contact-wrapper { 
    flex-direction: row; 
  }
}

/* Mobile: stack but show form first */
@media (max-width: 768px) {
  .contact-wrapper {
    flex-direction: column-reverse;
    gap: 1rem;
  }
}

.water-effect {
    position: relative;
    overflow: hidden;
}

.water-effect::after {
content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, rgba(33,150,243,0.1) 0%, rgba(255,255,255,0.3) 50%, rgba(33,150,243,0.1) 100%);
    animation: waterFlow 8s linear infinite;
    z-index: -1;
}

@keyframes waterFlow {
    0% {transform: translateX(-100%);}
    100% {transform: translateX(100%);}
}