/* ============================================
   SILENT LAWNS — Main Stylesheet
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --green-900: #0F2A1D;
    --green-800: #1A3D2B;
    --green-700: #245A3A;
    --green-600: #2D7A4A;
    --green-500: #3A9D5E;
    --green-400: #5BBF7B;
    --green-100: #E8F5EC;
    --green-50:  #F2FAF5;
    --cream:     #FAFAF5;
    --cream-dark:#F0EFEA;
    --slate-900: #1A1A1A;
    --slate-700: #3D3D3D;
    --slate-500: #6B6B6B;
    --slate-300: #B0B0B0;
    --slate-100: #E8E8E8;
    --white:     #FFFFFF;
    --accent:    #C4A44A;

    --font-body:    'DM Sans', system-ui, sans-serif;
    --font-display: 'DM Serif Display', Georgia, serif;

    --max-width: 1200px;
    --section-px: 60px;
    --section-py: 100px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: var(--font-body);
    color: var(--slate-900);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* ---------- Navigation ---------- */
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px var(--section-px);
    background: var(--white);
    border-bottom: 1px solid var(--slate-100);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow 0.3s ease;
}
.nav--scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}
.nav__logo {
    font-family: var(--font-display);
    font-size: 26px;
    color: var(--green-800);
    letter-spacing: -0.5px;
}
.nav__logo span { color: var(--green-500); }
.nav__links {
    display: flex;
    gap: 36px;
    align-items: center;
}
.nav__links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--slate-700);
    letter-spacing: 0.2px;
    transition: color 0.2s;
}
.nav__links a:hover { color: var(--green-600); }
.nav__cta {
    background: var(--green-700) !important;
    color: var(--white) !important;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600 !important;
    font-size: 14px !important;
    transition: background 0.2s !important;
}
.nav__cta:hover { background: var(--green-600) !important; }
.nav__hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}
.nav__hamburger span {
    display: block;
    height: 2px;
    background: var(--slate-700);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 16px;
    border-radius: 10px;
    padding: 16px 36px;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    letter-spacing: 0.2px;
    text-align: center;
}
.btn--primary {
    background: var(--green-500);
    color: var(--white);
}
.btn--primary:hover { background: var(--green-600); }
.btn--ghost {
    color: rgba(255,255,255,0.8);
    padding: 16px 0;
    font-weight: 500;
}
.btn--ghost:hover { color: var(--white); }
.btn--full { width: 100%; }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 600px;
    background: linear-gradient(135deg, var(--green-900) 0%, var(--green-800) 40%, var(--green-700) 100%);
    display: flex;
    align-items: center;
    overflow: hidden;
}
.hero__content {
    position: relative;
    z-index: 2;
    padding: 80px var(--section-px);
    max-width: 640px;
}
.hero__tag {
    display: inline-block;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--green-400);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 8px 18px;
    border-radius: 100px;
    margin-bottom: 28px;
}
.hero h1 {
    font-family: var(--font-display);
    font-size: 56px;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: -1px;
}
.hero h1 em { font-style: italic; color: var(--green-400); }
.hero p {
    font-size: 18px;
    line-height: 1.7;
    color: rgba(255,255,255,0.75);
    margin-bottom: 40px;
    max-width: 520px;
}
.hero__buttons { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.hero__image {
    position: absolute;
    right: 0; top: 0; bottom: 0;
    width: 50%;
    z-index: 1;
}
.hero__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ---------- Trust Strip ---------- */
.trust-strip {
    background: var(--green-900);
    border-top: 1px solid rgba(255,255,255,0.08);
    display: flex;
    justify-content: center;
    gap: 60px;
    padding: 22px var(--section-px);
    flex-wrap: wrap;
}
.trust-strip__item {
    display: flex; align-items: center; gap: 10px;
    color: rgba(255,255,255,0.5);
    font-size: 14px; font-weight: 500;
    letter-spacing: 0.3px;
}
.trust-strip__dot {
    width: 6px; height: 6px;
    background: var(--green-500);
    border-radius: 50%;
}

/* ---------- Section Layout ---------- */
.section {
    padding: var(--section-py) var(--section-px);
}
.section--alt { background: var(--cream); }
.section--dark { background: var(--green-900); }
.section--green { background: var(--green-50); }
.section__container {
    max-width: var(--max-width);
    margin: 0 auto;
}
.section__container--center { text-align: center; margin-bottom: 56px; }
.section__tag {
    display: inline-block;
    color: var(--green-600);
    font-size: 13px; font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.section__tag--light { color: var(--green-400); }
.section__title {
    font-family: var(--font-display);
    font-size: 42px;
    line-height: 1.15;
    color: var(--slate-900);
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}
.section__title--light { color: var(--white); }
.section__subtitle {
    font-size: 17px;
    line-height: 1.7;
    color: var(--slate-500);
    max-width: 600px;
    margin-bottom: 56px;
}
.section__subtitle--light { color: rgba(255,255,255,0.6); }

/* ---------- Services / Program Cards ---------- */
.section--services {
    background: var(--green-800);
    padding: var(--section-py) var(--section-px);
}
.program-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: var(--max-width);
}
.program-card {
    position: relative;
    padding-top: 18px;
}
.program-card__badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    color: var(--green-800);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    padding: 6px 22px;
    border-radius: 100px;
    white-space: nowrap;
    z-index: 2;
    border: 2px solid var(--green-700);
}
.program-card__badge--featured {
    background: var(--green-500);
    color: var(--white);
    border-color: var(--green-500);
}
.program-card__body {
    background: var(--green-700);
    border-radius: 16px;
    padding: 48px 28px 32px;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s, box-shadow 0.2s;
}
.program-card__body:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.2);
}
.program-card--featured .program-card__body {
    background: var(--green-900);
    border: 2px solid var(--green-500);
}
.program-card__header {
    margin-bottom: 28px;
}
.program-card__frequency {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--green-400);
    margin-bottom: 6px;
    letter-spacing: 0.3px;
}
.program-card__header h3 {
    font-family: var(--font-display);
    font-size: 24px;
    color: var(--white);
    line-height: 1.2;
}
.program-card__features {
    list-style: none;
    flex: 1;
    margin-bottom: 28px;
}
.program-card__features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: rgba(255,255,255,0.75);
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    line-height: 1.4;
}
.program-card__features li:last-child { border-bottom: none; }
.program-card__features .check {
    color: var(--green-400);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
}
.program-card__cta {
    display: block;
    text-align: center;
    padding: 14px 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 10px;
    color: var(--white);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: all 0.2s;
}
.program-card__cta:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.6);
}
.program-card__cta--featured {
    background: var(--green-500);
    border-color: var(--green-500);
}
.program-card__cta--featured:hover {
    background: var(--green-600);
    border-color: var(--green-600);
}

/* ---------- Why Electric ---------- */
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 36px;
    margin-bottom: 48px;
}
.why-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    min-height: 380px;
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    transition: transform 0.3s;
}
.why-card:hover { transform: translateY(-6px); }
.why-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(15,42,29,0.3) 0%, rgba(15,42,29,0.85) 100%);
    z-index: 1;
}
.why-card__content {
    position: relative;
    z-index: 2;
    padding: 32px;
    display: flex;
    flex-direction: column;
    height: 100%;
}
.why-card__content h3 {
    font-family: var(--font-display);
    font-size: 24px;
    font-style: italic;
    color: var(--white);
    margin-bottom: auto;
}
.why-card__content p {
    font-size: 15px;
    line-height: 1.7;
    color: rgba(255,255,255,0.8);
    margin-bottom: 24px;
}
.transparency-box {
    background: rgba(196,164,74,0.1);
    border: 1px solid rgba(196,164,74,0.25);
    border-radius: 12px;
    padding: 28px 32px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.transparency-box__icon { font-size: 22px; flex-shrink: 0; margin-top: 2px; }
.transparency-box p {
    font-size: 15px;
    line-height: 1.7;
    color: rgba(255,255,255,0.65);
}
.transparency-box strong { color: var(--accent); }

/* ---------- Residential / Commercial ---------- */
.rescom-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
}
.rescom-card {
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--slate-100);
    transition: transform 0.2s, box-shadow 0.2s;
}
.rescom-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.06);
}
.rescom-card__image {
    height: 240px;
    overflow: hidden;
}
.rescom-card__image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.rescom-card:hover .rescom-card__image img { transform: scale(1.05); }
.rescom-card__body { padding: 36px; }
.rescom-card__body h3 {
    font-family: var(--font-display);
    font-size: 26px;
    color: var(--slate-900);
    margin-bottom: 14px;
}
.rescom-card__body p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--slate-500);
}

/* ---------- Steps ---------- */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    max-width: 1000px;
    margin: 0 auto;
}
.step {
    padding: 40px 36px;
    position: relative;
}
.step:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0; top: 20%; height: 60%;
    width: 1px;
    background: var(--slate-100);
}
.step__number {
    font-family: var(--font-display);
    font-size: 52px;
    color: var(--green-100);
    line-height: 1;
    margin-bottom: 20px;
}
.step h3 {
    font-family: var(--font-display);
    font-size: 20px;
    color: var(--slate-900);
    margin-bottom: 12px;
}
.step p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--slate-500);
}

/* ---------- Service Areas ---------- */
.areas {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}
.areas__text { flex: 1; }
.areas__text p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--slate-500);
    margin-bottom: 28px;
}
.areas__map {
    width: 400px;
    flex-shrink: 0;
}
.area-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.area-tag {
    background: var(--green-50);
    color: var(--green-700);
    font-size: 14px;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 100px;
    border: 1px solid var(--green-100);
    transition: all 0.2s;
}
.area-tag:hover {
    background: var(--green-100);
}

/* ---------- Team ---------- */
.team-image {
    max-width: 800px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}
.team-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ---------- Testimonials ---------- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}
.testimonial-card {
    background: var(--white);
    border-radius: 16px;
    padding: 36px;
    border: 1px solid var(--green-100);
    transition: transform 0.2s;
}
.testimonial-card:hover { transform: translateY(-3px); }
.testimonial-card__stars {
    color: var(--accent);
    font-size: 18px;
    letter-spacing: 2px;
    margin-bottom: 16px;
}
.testimonial-card blockquote {
    font-size: 16px;
    line-height: 1.7;
    color: var(--slate-700);
    font-style: italic;
    margin-bottom: 20px;
}
.testimonial-card__author {
    font-size: 14px;
    font-weight: 600;
    color: var(--slate-900);
}
.testimonial-card__role {
    font-size: 13px;
    color: var(--slate-500);
}

/* ---------- Contact ---------- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: flex-start;
}
.contact__info p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--slate-500);
    margin-bottom: 36px;
}
.contact__items { display: flex; flex-direction: column; gap: 20px; }
.contact__item {
    display: flex;
    gap: 14px;
    align-items: center;
}
.contact__item-icon {
    width: 44px; height: 44px;
    background: var(--green-50);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}
.contact__item-label {
    font-size: 12px;
    color: var(--slate-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}
.contact__item-value {
    font-size: 15px;
    color: var(--slate-700);
}

/* ---------- Contact Form ---------- */
.contact-form {
    background: var(--cream);
    border-radius: 20px;
    padding: 44px;
    border: 1px solid var(--slate-100);
}
.contact-form__title {
    font-family: var(--font-display);
    font-size: 24px;
    color: var(--slate-900);
    margin-bottom: 28px;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--slate-700);
    margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--slate-100);
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--slate-700);
    background: var(--white);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--green-500);
    box-shadow: 0 0 0 3px rgba(58,157,94,0.12);
}
.form-group textarea { height: 100px; resize: vertical; }
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    padding: 10px 16px;
    border-radius: 8px;
    border: 1px solid var(--slate-100);
    font-size: 13px;
    color: var(--slate-700);
    cursor: pointer;
    transition: border-color 0.2s;
}
.checkbox-item:hover { border-color: var(--green-400); }
.checkbox-item input[type="checkbox"] {
    width: auto;
    padding: 0;
    accent-color: var(--green-600);
}
.form-error {
    display: block;
    font-size: 12px;
    color: #dc3545;
    margin-top: 6px;
}
.form-errors {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 8px;
    padding: 14px 18px;
    margin-bottom: 20px;
    font-size: 14px;
    color: #dc3545;
}
.form-success {
    text-align: center;
    padding: 40px 20px;
}
.form-success span { font-size: 48px; display: block; margin-bottom: 16px; }
.form-success h4 {
    font-family: var(--font-display);
    font-size: 22px;
    color: var(--slate-900);
    margin-bottom: 10px;
}
.form-success p {
    font-size: 15px;
    color: var(--slate-500);
}

/* ---------- Footer ---------- */
.footer {
    background: var(--green-900);
    color: var(--white);
    padding: 60px var(--section-px) 30px;
}
.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    max-width: var(--max-width);
    margin: 0 auto 48px;
}
.footer__tagline {
    font-size: 15px;
    color: rgba(255,255,255,0.5);
    line-height: 1.6;
    margin-top: 14px;
}
.footer__col h4 {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    margin-bottom: 18px;
}
.footer__col a, .footer__col span {
    display: block;
    font-size: 15px;
    color: rgba(255,255,255,0.65);
    margin-bottom: 12px;
    transition: color 0.2s;
}
.footer__col a:hover { color: var(--white); }
.footer__bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 24px;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.3);
    max-width: var(--max-width);
    margin: 0 auto;
}


/* ============================================
   RESPONSIVE — Tablet (max-width: 1024px)
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --section-px: 40px;
        --section-py: 80px;
    }

    .hero h1 { font-size: 44px; }
    .hero__image { width: 45%; }

    .program-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: 1fr; gap: 20px; }
    .steps-grid { grid-template-columns: 1fr; gap: 0; }
    .step:not(:last-child)::after { display: none; }
    .step { padding: 28px 0; border-bottom: 1px solid var(--slate-100); }

    .footer__grid { grid-template-columns: 1fr 1fr; }
}


/* ============================================
   RESPONSIVE — Mobile (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {
    :root {
        --section-px: 24px;
        --section-py: 64px;
    }

    /* Nav */
    .nav { padding: 16px var(--section-px); }
    .nav__hamburger { display: flex; }
    .nav__links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0; right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 24px var(--section-px);
        gap: 20px;
        border-bottom: 1px solid var(--slate-100);
        box-shadow: 0 12px 40px rgba(0,0,0,0.08);
    }
    .nav__links.is-open { display: flex; }
    .nav__cta { text-align: center; }

    /* Hero */
    .hero {
        flex-direction: column;
        min-height: auto;
    }
    .hero__content {
        padding: 48px var(--section-px);
        max-width: 100%;
    }
    .hero h1 { font-size: 36px; }
    .hero p { font-size: 16px; }
    .hero__image {
        position: relative;
        width: 100%;
        height: 250px;
    }

    /* Trust Strip */
    .trust-strip {
        flex-direction: column;
        align-items: center;
        gap: 14px;
        padding: 20px var(--section-px);
    }

    /* Section Titles */
    .section__title { font-size: 32px; }
    .section__subtitle { font-size: 15px; }

    /* Services */
    .program-grid { grid-template-columns: 1fr; }

    /* Res/Com */
    .rescom-grid { grid-template-columns: 1fr; }

    /* Areas */
    .areas { flex-direction: column; }
    .areas__map { width: 100%; }

    /* Testimonials */
    .testimonials-grid { grid-template-columns: 1fr; }

    /* Contact */
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .contact-form { padding: 28px 24px; }
    .form-row { grid-template-columns: 1fr; }
    .checkbox-group { flex-direction: column; }

    /* Footer */
    .footer { padding: 40px var(--section-px) 24px; }
    .footer__grid { grid-template-columns: 1fr; gap: 32px; }

    /* Buttons */
    .btn { padding: 14px 28px; font-size: 15px; }
    .hero__buttons { flex-direction: column; width: 100%; }
    .hero__buttons .btn { width: 100%; text-align: center; }
}

/* ============================================
   RESPONSIVE — Small Mobile (max-width: 480px)
   ============================================ */
@media (max-width: 480px) {
    :root { --section-px: 18px; }
    .hero h1 { font-size: 30px; }
    .section__title { font-size: 28px; }
    .contact-form { padding: 24px 18px; }
}


/* ---------- Animations ---------- */
@media (prefers-reduced-motion: no-preference) {
    .program-card,
    .why-card,
    .rescom-card,
    .testimonial-card,
    .step {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.5s ease, transform 0.5s ease;
    }
    .program-card.is-visible,
    .why-card.is-visible,
    .rescom-card.is-visible,
    .testimonial-card.is-visible,
    .step.is-visible {
        opacity: 1;
        transform: translateY(0);
    }
}