/* ========================================
   Lewisville Plumber TX - Main Stylesheet
   Mobile-First Design | Brand Colors | Micro-interactions
   ======================================== */

/* ========== CSS CUSTOM PROPERTIES ========== */
:root {
    /* Brand Colors from PRD */
    --color-primary: #1F4F7C;       /* Deep, professional blue */
    --color-accent: #3498DB;        /* Bright, trustworthy teal */
    --color-background: #F8F8F8;    /* Off-white for clean backgrounds */
    --color-text: #333333;          /* Dark gray for body text */
    
    /* Derived Colors */
    --color-primary-dark: #163a5c;
    --color-accent-dark: #2980b9;
    --color-accent-light: rgba(52, 152, 219, 0.1);
    --color-white: #ffffff;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-error: #dc2626;
    --color-success: #16a34a;
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Font Sizes - Mobile First */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Layout */
    --container-max: 1200px;
    --header-height: 70px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 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: 0.15s ease-out;
    --transition-base: 0.2s ease-out;
    --transition-slow: 0.3s ease-out;
    --transition-slower: 0.5s ease-out;
}

/* ========== RESET & BASE STYLES ========== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

/* Prefers reduced motion - disable animations */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

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

ul, ol {
    list-style: none;
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-3) var(--space-4);
    z-index: 10000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* ========== UTILITY CLASSES ========== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-6);
    }
}

.required {
    color: var(--color-error);
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
}

.section-title {
    font-size: var(--text-2xl);
    text-align: center;
    margin-bottom: var(--space-4);
}

.section-title--left {
    text-align: left;
}

.section-subtitle {
    text-align: center;
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto var(--space-10);
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--text-3xl);
    }
}

@media (min-width: 1024px) {
    .section-title {
        font-size: var(--text-4xl);
    }
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-sm);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--border-radius);
    transition: transform var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base);
    text-align: center;
    white-space: nowrap;
}

/* MICRO-INTERACTION: CTA button hover - subtle grow effect (0.2s, ease-out) */
.btn--primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn--primary:hover {
    background-color: var(--color-accent-dark);
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

/* MICRO-INTERACTION: CTA button tap - press down effect on mobile */
.btn--primary:active {
    transform: scale(0.98);
}

.btn--large {
    font-size: var(--text-base);
    padding: var(--space-4) var(--space-8);
}

@media (min-width: 768px) {
    .btn {
        font-size: var(--text-base);
    }
    
    .btn--large {
        font-size: var(--text-lg);
        padding: var(--space-5) var(--space-10);
    }
}

/* ========== HEADER / NAVIGATION ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: box-shadow var(--transition-base);
}

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

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.header__logo {
    display: flex;
    align-items: center;
}

.header__logo-img {
    height: 45px;
    width: auto;
}

.header__logo-img--desktop {
    display: none;
}

.header__logo-img--mobile {
    display: block;
    height: 40px;
}

@media (min-width: 768px) {
    .header__logo-img--desktop {
        display: block;
    }
    
    .header__logo-img--mobile {
        display: none;
    }
}

/* Desktop Navigation */
.nav--desktop {
    display: none;
}

@media (min-width: 1024px) {
    .nav--desktop {
        display: block;
    }
}

.nav__list {
    display: flex;
    gap: var(--space-6);
}

/* MICRO-INTERACTION: Nav links - underline on hover (0.15s) */
.nav__link {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: var(--text-sm);
    color: var(--color-text);
    position: relative;
    padding: var(--space-2) 0;
    transition: color var(--transition-fast);
}

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

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

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

.nav__link:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

/* Header CTA */
.header__cta--desktop {
    display: none;
}

@media (min-width: 1024px) {
    .header__cta--desktop {
        display: inline-flex;
    }
}

/* Hamburger Menu Button */
.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    padding: 4px;
}

/* MICRO-INTERACTION: Hamburger transforms to X (0.3s) */
.hamburger__line {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 2px;
    transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.hamburger.is-active .hamburger__line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger.is-active .hamburger__line:nth-child(2) {
    opacity: 0;
}

.hamburger.is-active .hamburger__line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

@media (min-width: 1024px) {
    .hamburger {
        display: none;
    }
}

/* Mobile Menu Overlay */
/* MICRO-INTERACTION: Mobile menu slides in from right (0.3s) */
.mobile-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    z-index: 999;
    overflow-y: auto;
    padding: var(--space-8) var(--space-4);
}

.mobile-menu.is-active {
    transform: translateX(0);
}

.nav__list--mobile {
    flex-direction: column;
    gap: var(--space-1);
}

.nav__link--mobile {
    display: block;
    font-size: var(--text-lg);
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-gray-200);
}

.mobile-menu__cta {
    width: 100%;
    margin-top: var(--space-6);
}

@media (min-width: 1024px) {
    .mobile-menu {
        display: none;
    }
}

/* ========== HERO SECTION ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--header-height) + var(--space-8)) var(--space-4) var(--space-8);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(31, 79, 124, 0.85) 0%, rgba(31, 79, 124, 0.7) 100%);
}

.hero__container {
    position: relative;
    z-index: 1;
    text-align: center;
}

/* MICRO-INTERACTION: Hero text fade-in on load (0.5s, delay 0.1s) */
.hero__content {
    animation: heroFadeIn 0.5s ease-out 0.1s both;
}

@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero__content {
        animation: none;
    }
}

.hero__title {
    font-size: var(--text-3xl);
    color: var(--color-white);
    margin-bottom: var(--space-4);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero__subtitle {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero__cta {
    margin-bottom: var(--space-6);
}

.hero__trust {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.hero__phone {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-lg);
    transition: color var(--transition-fast);
}

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

.hero__phone-icon {
    width: 24px;
    height: 24px;
}

/* MICRO-INTERACTION: Phone number copy-to-clipboard tooltip */
.hero__tooltip {
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-success);
    color: var(--color-white);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius);
    font-size: var(--text-sm);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.hero__tooltip.is-visible {
    opacity: 1;
    visibility: visible;
}

@media (min-width: 768px) {
    .hero__title {
        font-size: var(--text-4xl);
    }
    
    .hero__subtitle {
        font-size: var(--text-xl);
    }
}

@media (min-width: 1024px) {
    .hero__title {
        font-size: var(--text-5xl);
    }
}

/* ========== TRUST BADGES SECTION ========== */
.trust-badges {
    background: var(--color-white);
    padding: var(--space-8) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.trust-badges__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

/* MICRO-INTERACTION: Trust badges scale up on hover */
.trust-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-4);
    transition: transform var(--transition-base);
}

.trust-badge:hover {
    transform: scale(1.05);
}

.trust-badge__img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    margin-bottom: var(--space-3);
}

.trust-badge__icon {
    color: var(--color-accent);
    margin-bottom: var(--space-3);
}

.trust-badge__text {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--color-primary);
}

@media (min-width: 768px) {
    .trust-badges__grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .trust-badge__img {
        width: 70px;
        height: 70px;
    }
    
    .trust-badge__text {
        font-size: var(--text-base);
    }
}

/* ========== SERVICES SECTION ========== */
.services {
    padding: var(--space-16) 0;
    background: var(--color-background);
}

.services__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

/* MICRO-INTERACTION: Service cards lift and shadow increase on hover (0.2s, ease-out) */
.service-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.service-card__img-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}

.service-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.service-card:hover .service-card__img {
    transform: scale(1.05);
}

.service-card__content {
    padding: var(--space-5);
}

.service-card__title {
    font-size: var(--text-lg);
    color: var(--color-primary);
    margin-bottom: var(--space-3);
}

.service-card__desc {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    line-height: 1.7;
}

@media (min-width: 640px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .service-card__title {
        font-size: var(--text-xl);
    }
    
    .service-card__desc {
        font-size: var(--text-base);
    }
}

/* ========== ABOUT SECTION ========== */
.about {
    padding: var(--space-16) 0;
    background: var(--color-white);
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
    align-items: center;
}

.about__content {
    order: 2;
}

.about__text {
    margin-bottom: var(--space-4);
    color: var(--color-gray-600);
    line-height: 1.8;
}

.about__highlights {
    margin-top: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.about__highlight {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    color: var(--color-text);
}

.about__highlight-icon {
    flex-shrink: 0;
    color: var(--color-accent);
    margin-top: 2px;
}

.about__image-wrapper {
    order: 1;
}

.about__image {
    width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

@media (min-width: 1024px) {
    .about__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
    
    .about__content {
        order: 1;
    }
    
    .about__image-wrapper {
        order: 2;
    }
}

/* ========== PROCESS SECTION ========== */
.process {
    padding: var(--space-16) 0;
    background: var(--color-background);
}

.process__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
}

/* MICRO-INTERACTION: Process steps fade in sequentially on scroll */
.process-step {
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.process-step.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.process-step[data-step="1"].is-visible { transition-delay: 0s; }
.process-step[data-step="2"].is-visible { transition-delay: 0.15s; }
.process-step[data-step="3"].is-visible { transition-delay: 0.3s; }
.process-step[data-step="4"].is-visible { transition-delay: 0.45s; }

@media (prefers-reduced-motion: reduce) {
    .process-step {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

.process-step__img-wrapper {
    position: relative;
    width: 150px;
    height: 150px;
    margin: 0 auto var(--space-5);
    border-radius: 50%;
    overflow: hidden;
    background: var(--color-white);
    box-shadow: var(--shadow-md);
}

.process-step__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.process-step__icon-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-light);
    color: var(--color-accent);
}

.process-step__number {
    position: absolute;
    top: 0;
    right: 0;
    width: 40px;
    height: 40px;
    background: var(--color-accent);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: var(--text-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 3px solid var(--color-white);
}

.process-step__title {
    font-size: var(--text-lg);
    color: var(--color-primary);
    margin-bottom: var(--space-3);
}

.process-step__desc {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    max-width: 280px;
    margin: 0 auto;
}

@media (min-width: 640px) {
    .process__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .process__grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-6);
    }
}

/* ========== TESTIMONIALS SECTION ========== */
.testimonials {
    padding: var(--space-16) 0;
    background: var(--color-primary);
}

.testimonials .section-title {
    color: var(--color-white);
}

.testimonials__carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonials__track {
    display: flex;
    transition: transform var(--transition-slower);
}

.testimonial-card {
    flex: 0 0 100%;
    min-width: 100%;
    padding: var(--space-6);
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    margin: 0 var(--space-2);
    box-shadow: var(--shadow-lg);
}

/* MICRO-INTERACTION: Testimonial quote marks breathing animation */
.testimonial-card__quote {
    font-family: Georgia, serif;
    font-size: 4rem;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: var(--space-2);
    animation: quoteBreathe 4s ease-in-out infinite;
}

@keyframes quoteBreathe {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

@media (prefers-reduced-motion: reduce) {
    .testimonial-card__quote {
        animation: none;
    }
}

.testimonial-card__text {
    font-size: var(--text-base);
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: var(--space-6);
    font-style: italic;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.testimonial-card__avatar {
    width: 50px;
    height: 50px;
    background: var(--color-accent);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-card__name {
    font-family: var(--font-heading);
    font-weight: 600;
    font-style: normal;
    color: var(--color-primary);
}

.testimonial-card__location {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* Carousel Controls */
.testimonials__controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.testimonials__btn {
    width: 44px;
    height: 44px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.testimonials__btn:hover {
    background: var(--color-accent);
    color: var(--color-white);
}

.testimonials__dots {
    display: flex;
    gap: var(--space-2);
}

.testimonials__dot {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    transition: background-color var(--transition-fast);
}

.testimonials__dot--active,
.testimonials__dot:hover {
    background: var(--color-white);
}

.testimonials__pause {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 36px;
    height: 36px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: background-color var(--transition-fast);
}

.testimonials__pause:hover {
    background: rgba(0, 0, 0, 0.4);
}

/* ========== CONTACT SECTION ========== */
.contact {
    padding: var(--space-16) 0;
    background: var(--color-white);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
}

.contact__intro {
    color: var(--color-gray-600);
    margin-bottom: var(--space-6);
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.contact__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    color: var(--color-text);
    transition: color var(--transition-fast);
}

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

.contact__icon {
    flex-shrink: 0;
    color: var(--color-accent);
}

/* Contact Form */
.contact__form-wrapper {
    background: var(--color-gray-100);
    padding: var(--space-6);
    border-radius: var(--border-radius-lg);
}

.contact-form__group {
    margin-bottom: var(--space-5);
}

.contact-form__row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
}

.contact-form__row--three {
    grid-template-columns: 1fr;
}

.contact-form__label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: var(--text-sm);
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

/* MICRO-INTERACTION: Form field focus - accent color glow */
.contact-form__input,
.contact-form__textarea,
.contact-form__select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-body);
    font-size: var(--text-base);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    background: var(--color-white);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-form__input:focus,
.contact-form__textarea:focus,
.contact-form__select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

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

.contact-form__date-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-2);
}

.contact-form__submit {
    width: 100%;
    margin-top: var(--space-4);
}

@media (min-width: 640px) {
    .contact-form__row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-form__row--three {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .contact__grid {
        grid-template-columns: 1fr 1.2fr;
        gap: var(--space-16);
    }
    
    .contact__form-wrapper {
        padding: var(--space-8);
    }
}

/* ========== BLOG SECTION ========== */
.blog {
    padding: var(--space-16) 0;
    background: var(--color-background);
}

.blog__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

/* MICRO-INTERACTION: Blog cards lift and shadow increase on hover */
.blog-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.blog-card__img-wrapper {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.blog-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.blog-card:hover .blog-card__img {
    transform: scale(1.05);
}

.blog-card__content {
    padding: var(--space-5);
}

.blog-card__title {
    font-size: var(--text-lg);
    color: var(--color-primary);
    margin-bottom: var(--space-3);
    line-height: 1.4;
}

.blog-card__excerpt {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    margin-bottom: var(--space-4);
    line-height: 1.7;
}

.blog-card__link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--color-accent);
    transition: color var(--transition-fast);
}

.blog-card__link:hover {
    color: var(--color-accent-dark);
}

@media (min-width: 640px) {
    .blog__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .blog__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ========== CTA BANNER ========== */
.cta-banner {
    padding: var(--space-16) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    text-align: center;
}

.cta-banner__title {
    font-size: var(--text-2xl);
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.cta-banner__text {
    color: rgba(255, 255, 255, 0.9);
    max-width: 500px;
    margin: 0 auto var(--space-6);
}

@media (min-width: 768px) {
    .cta-banner__title {
        font-size: var(--text-3xl);
    }
}

/* ========== FOOTER ========== */
.footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-12) 0 var(--space-6);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

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

.footer__logo {
    height: 50px;
    margin: 0 auto var(--space-4);
}

.footer__tagline {
    font-size: var(--text-sm);
    opacity: 0.9;
    margin-bottom: var(--space-4);
}

/* MICRO-INTERACTION: Social icons scale and color change on hover */
.footer__social {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
}

.footer__social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--color-white);
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.footer__social-link:hover {
    background: var(--color-accent);
    transform: scale(1.1);
}

/* MICRO-INTERACTION: Social icon hover trail effect */
.footer__social-link::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--color-accent);
    opacity: 0;
    transform: scale(0.5);
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: -1;
}

.footer__social-link:hover::after {
    opacity: 0.3;
    transform: scale(1.5);
}

.footer__heading {
    font-size: var(--text-lg);
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer__link {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

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

.footer__address {
    font-style: normal;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.footer__address p {
    margin-bottom: var(--space-3);
}

.footer__phone {
    display: inline-block;
}

.footer__hours {
    margin-top: var(--space-4);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-6);
    text-align: center;
}

.footer__copyright {
    font-size: var(--text-sm);
    opacity: 0.7;
}

@media (min-width: 640px) {
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer__col--brand {
        grid-column: span 2;
    }
}

@media (min-width: 1024px) {
    .footer__grid {
        grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    }
    
    .footer__col--brand {
        grid-column: span 1;
        text-align: left;
    }
    
    .footer__logo {
        margin: 0 0 var(--space-4);
    }
    
    .footer__social {
        justify-content: flex-start;
    }
}

/* ========== SUBTLE RIPPLE EFFECT ON SCROLL ========== */
/* MICRO-INTERACTION: Faint ripple/wave animation on scroll */
.services::before,
.process::before,
.blog::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(52, 152, 219, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(52, 152, 219, 0.03) 0%, transparent 50%);
    pointer-events: none;
    animation: rippleWave 8s ease-in-out infinite;
}

@keyframes rippleWave {
    0%, 100% {
        transform: translateX(-5%);
        opacity: 0.5;
    }
    50% {
        transform: translateX(5%);
        opacity: 1;
    }
}

@media (prefers-reduced-motion: reduce) {
    .services::before,
    .process::before,
    .blog::before {
        animation: none;
    }
}

.services,
.process,
.blog {
    position: relative;
}