/* ============================================
   Dependable Plumbing — Custom Styles
   Color Palette: Midnight Blue + Mint
   ============================================ */

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

:root {
    --midnight: #0A2342;
    --midnight-light: #153D6B;
    --midnight-dark: #06182E;
    --mint: #1A7A6A;
    --mint-light: #22A892;
    --mint-pale: #E8F5F3;
    --mint-ultra: #F4FAF9;
    --white: #FFFFFF;
    --off-white: #FAFBFC;
    --gray-50: #F8FAFB;
    --gray-100: #F0F4F6;
    --gray-200: #E2E8EC;
    --gray-300: #C8D2D9;
    --gray-400: #9AAFBF;
    --gray-500: #6B8299;
    --gray-600: #4A6275;
    --gray-700: #2D4A5C;
    --shadow-sm: 0 1px 3px rgba(10, 35, 66, 0.06);
    --shadow-md: 0 4px 20px rgba(10, 35, 66, 0.08);
    --shadow-lg: 0 8px 40px rgba(10, 35, 66, 0.12);
    --shadow-xl: 0 16px 60px rgba(10, 35, 66, 0.14);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    color: var(--gray-700);
    background: var(--white);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn--primary {
    background: var(--mint);
    color: var(--white);
    border-color: var(--mint);
}

.btn--primary:hover {
    background: var(--mint-light);
    border-color: var(--mint-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn--ghost {
    background: transparent;
    color: var(--midnight);
    border-color: var(--gray-300);
}

.btn--ghost:hover {
    border-color: var(--midnight);
    color: var(--midnight);
}

.btn--white {
    background: var(--white);
    color: var(--midnight);
    border-color: var(--white);
}

.btn--white:hover {
    background: var(--gray-50);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn--full {
    width: 100%;
    justify-content: center;
}

.btn--lg {
    padding: 18px 36px;
    font-size: 1rem;
}

/* ---- Section Headers ---- */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-header--centered {
    text-align: center;
}

.section-header__eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--mint);
    margin-bottom: 12px;
}

.section-header__title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    color: var(--midnight);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-header__sub {
    font-size: 1.0625rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ---- Header ---- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition);
}

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

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--midnight);
    z-index: 1001;
}

.logo__text {
    letter-spacing: -0.02em;
}

.logo__accent {
    color: var(--mint);
}

.logo__text--light .logo__accent {
    color: var(--mint-light);
}

.header__cta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--midnight);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--gray-200);
}

.header__cta:hover {
    background: var(--midnight);
    color: var(--white);
    border-color: var(--midnight);
}

/* ---- Nav ---- */
.nav__list {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav__link {
    font-size: 0.9375rem;
    font-weight: 400;
    color: var(--gray-600);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--mint);
    transition: var(--transition);
}

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

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

.nav__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.nav__hamburger {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--midnight);
    position: relative;
    transition: var(--transition);
}

.nav__hamburger::before,
.nav__hamburger::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 2px;
    background: var(--midnight);
    transition: var(--transition);
}

.nav__hamburger::before { top: -7px; }
.nav__hamburger::after { top: 7px; }

.nav__toggle[aria-expanded="true"] .nav__hamburger {
    background: transparent;
}

.nav__toggle[aria-expanded="true"] .nav__hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav__toggle[aria-expanded="true"] .nav__hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ---- Hero ---- */
.hero {
    padding-top: 72px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    background: var(--white);
    overflow: hidden;
}

.hero__bg-pattern {
    position: absolute;
    top: 0;
    right: 0;
    width: 55%;
    height: 100%;
    background: linear-gradient(135deg, var(--mint-ultra) 0%, var(--mint-pale) 100%);
    clip-path: polygon(15% 0, 100% 0, 100% 100%, 0% 100%);
    z-index: 0;
}

.hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    padding-top: 80px;
    padding-bottom: 48px;
    position: relative;
    z-index: 1;
}

.hero__content {
    max-width: 520px;
}

.hero__eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--mint);
    margin-bottom: 20px;
}

.hero__headline {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5.5vw, 4rem);
    font-weight: 700;
    color: var(--midnight);
    line-height: 1.08;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

.hero__subheadline {
    font-size: 1.125rem;
    color: var(--gray-500);
    line-height: 1.75;
    margin-bottom: 36px;
    max-width: 440px;
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero__image {
    position: relative;
}

.hero__image img {
    width: 100%;
    height: 640px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

/* ---- Trust Bar ---- */
.hero__trust-bar {
    position: relative;
    z-index: 1;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    padding: 0;
}

.trust-bar__items {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.trust-item {
    padding: 24px 32px;
    border-right: 1px solid var(--gray-200);
    text-align: center;
}

.trust-item:last-child {
    border-right: none;
}

.trust-item__label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-600);
    letter-spacing: 0.02em;
}

/* ---- Services ---- */
.services {
    padding: 120px 0;
    background: var(--gray-50);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 40px 32px;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--mint);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.service-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--mint-pale);
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
}

.service-card__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--midnight);
    margin-bottom: 12px;
    line-height: 1.3;
}

.service-card__desc {
    font-size: 0.9375rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ---- About ---- */
.about {
    padding: 120px 0;
    background: var(--white);
}

.about__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about__image-wrap {
    position: relative;
}

.about__image-wrap img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about__badge {
    position: absolute;
    bottom: -24px;
    right: -24px;
    background: var(--midnight);
    color: var(--white);
    padding: 24px 28px;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: 4px;
    box-shadow: var(--shadow-lg);
}

.about__badge-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--mint-light);
    line-height: 1;
}

.about__badge-text {
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--gray-400);
    letter-spacing: 0.02em;
}

.about__content {
    max-width: 480px;
}

.about__body {
    font-size: 1rem;
    color: var(--gray-500);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about__stats {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-top: 48px;
    padding-top: 40px;
    border-top: 1px solid var(--gray-200);
}

.stat {
    text-align: left;
}

.stat__number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--midnight);
    line-height: 1;
    margin-bottom: 8px;
}

.stat__label {
    font-size: 0.8125rem;
    color: var(--gray-500);
    line-height: 1.5;
}

.stat-divider {
    width: 1px;
    height: 48px;
    background: var(--gray-200);
}

/* ---- Why Us ---- */
.why-us {
    padding: 120px 0;
    background: var(--midnight);
    position: relative;
    overflow: hidden;
}

.why-us::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: rgba(26, 122, 106, 0.08);
}

.why-us .section-header__eyebrow {
    color: var(--mint-light);
}

.why-us .section-header__title {
    color: var(--white);
}

.why-us__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    position: relative;
    z-index: 1;
}

.why-card {
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.03);
    transition: var(--transition);
}

.why-card:hover {
    border-color: rgba(26, 122, 106, 0.4);
    background: rgba(255, 255, 255, 0.05);
}

.why-card__number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: rgba(26, 122, 106, 0.3);
    line-height: 1;
    margin-bottom: 20px;
}

.why-card__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 12px;
    line-height: 1.3;
}

.why-card__desc {
    font-size: 0.9375rem;
    color: var(--gray-400);
    line-height: 1.75;
}

/* ---- CTA Strip ---- */
.cta-strip {
    padding: 80px 0;
    background: var(--mint);
}

.cta-strip__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.cta-strip__title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 600;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 8px;
}

.cta-strip__text {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.cta-strip__actions {
    flex-shrink: 0;
}

/* ---- Contact ---- */
.contact {
    padding: 120px 0;
    background: var(--gray-50);
}

.contact__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact__body {
    font-size: 1rem;
    color: var(--gray-500);
    line-height: 1.75;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-detail {
    display: flex;
    gap: 16px;
}

.contact-detail__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.contact-detail__text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-detail__label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-400);
}

.contact-detail__value {
    font-size: 0.9375rem;
    color: var(--midnight);
    line-height: 1.6;
}

.contact-detail__value a:hover {
    color: var(--mint);
}

/* ---- Contact Form ---- */
.contact-form {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 48px;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-600);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--midnight);
    background: var(--gray-50);
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    outline: none;
}

.form-input::placeholder {
    color: var(--gray-400);
}

.form-input:focus {
    border-color: var(--mint);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(26, 122, 106, 0.1);
}

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

.form-success {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    padding: 16px 20px;
    background: var(--mint-pale);
    border-radius: var(--radius-sm);
    color: var(--mint);
    font-size: 0.9375rem;
    font-weight: 500;
}

.form-success svg {
    flex-shrink: 0;
}

/* ---- Footer ---- */
.footer {
    background: var(--midnight-dark);
    padding: 80px 0 0;
}

.footer__inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 64px;
    padding-bottom: 64px;
}

.footer__tagline {
    font-size: 0.9375rem;
    color: var(--gray-500);
    line-height: 1.7;
    margin-top: 16px;
    max-width: 280px;
}

.footer__heading {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 20px;
}

.footer__links ul,
.footer__contact ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer__links a,
.footer__contact a {
    font-size: 0.9375rem;
    color: var(--gray-500);
}

.footer__links a:hover,
.footer__contact a:hover {
    color: var(--mint-light);
}

.footer__contact span {
    font-size: 0.9375rem;
    color: var(--gray-500);
    line-height: 1.6;
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 24px 0;
}

.footer__bottom p {
    font-size: 0.8125rem;
    color: var(--gray-600);
}

/* ---- Scroll Animations ---- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .hero__inner {
        gap: 48px;
    }
    
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about__inner {
        gap: 48px;
    }
    
    .contact__inner {
        gap: 48px;
    }
    
    .footer__inner {
        grid-template-columns: 1fr 1fr;
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .nav__toggle {
        display: block;
    }
    
    .nav__list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        padding: 40px;
        box-shadow: var(--shadow-xl);
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .nav__list.open {
        right: 0;
    }
    
    .nav__link {
        font-size: 1.125rem;
    }
    
    .header__cta {
        display: none;
    }
    
    .hero {
        min-height: auto;
    }
    
    .hero__bg-pattern {
        width: 100%;
        clip-path: polygon(0 60%, 100% 40%, 100% 100%, 0% 100%);
        opacity: 0.5;
    }
    
    .hero__inner {
        grid-template-columns: 1fr;
        gap: 40px;
        padding-top: 40px;
        padding-bottom: 40px;
    }
    
    .hero__content {
        text-align: center;
        max-width: 100%;
    }
    
    .hero__subheadline {
        max-width: 100%;
    }
    
    .hero__actions {
        justify-content: center;
    }
    
    .hero__image img {
        height: 400px;
    }
    
    .trust-bar__items {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .trust-item {
        padding: 20px 24px;
    }
    
    .trust-item:nth-child(2) {
        border-right: none;
    }
    
    .trust-item:nth-child(3),
    .trust-item:nth-child(4) {
        border-top: 1px solid var(--gray-200);
    }
    
    .services {
        padding: 80px 0;
    }
    
    .services__grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .service-card {
        padding: 32px 28px;
    }
    
    .about {
        padding: 80px 0;
    }
    
    .about__inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about__badge {
        right: 16px;
        bottom: -16px;
    }
    
    .about__stats {
        flex-wrap: wrap;
        gap: 24px;
    }
    
    .why-us {
        padding: 80px 0;
    }
    
    .why-us__grid {
        grid-template-columns: 1fr;
    }
    
    .cta-strip {
        padding: 64px 0;
    }
    
    .cta-strip__inner {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }
    
    .contact {
        padding: 80px 0;
    }
    
    .contact__inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .contact-form {
        padding: 32px 24px;
    }
    
    .footer {
        padding: 64px 0 0;
    }
    
    .footer__inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .hero__headline {
        font-size: 2.25rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.875rem;
    }
    
    .btn--lg {
        padding: 16px 28px;
    }
    
    .section-header {
        margin-bottom: 48px;
    }
    
    .trust-bar__items {
        grid-template-columns: 1fr;
    }
    
    .trust-item {
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
        padding: 16px 24px;
    }
    
    .trust-item:last-child {
        border-bottom: none;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .header__cta {
        display: flex;
    }
}

/* Mobile overlay */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 35, 66, 0.4);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.nav-overlay.active {
    opacity: 1;
    pointer-events: all;
}